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Shenzhen KINRI Energy Technology Co.,Ltd.

SHENZHEN KINRI ENERGY

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Shenzhen KINRI Energy Technology Co.,Ltd.

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Brand Introduction
Shenzhen Kinri Energy has been working hard to continuously enhance the core competitiveness of the enterprise. After more than a decade of effort,Kinri has established an excellent brand image with a good reputation in the field of power supply. As a result,Kinri has been recognized as the highest honor of a Chinese brand, the "Chinese Brand" title. For the enterprise, a brand have true value and significance only by gaining customer's recognition which means not only the uniqueness of the Kinri trademark but also more comprehensively trademark protection by national laws. As Kinri's intangible assets for brand building,Kinri Trademark herald a new leap for expanding global market.

Kinri will continue to build an international brand strategy to meet customer needs by continuously investing in new product research and technological innovation, focusing on building a technology-based enterprise with independent intellectual property rights, forming a protection chain mainly based on key and core technologies by actively applying for invention patents, adapting to global market changes and economic development laws.

Kinri will create higher efficient market competitiveness and continuously meet the latest needs of customers through first-class product quality and enthusiastic service, continuous management reform, efficient process management system operation. See More

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KINRIThree Reasons To Choose KINRI

Is a professional power supply manufacturer based on SMPS’ technology research & development.

Through 15 Years of R&D Technology Accumulation,We have  Built a Benchmark Enterprise in the Industry
Through 15 Years of R&D Technology Accumulation,We have  Built a Benchmark Enterprise in the Industry

Through 15 Years of R&D Technology Accumulation,We have Built a Benchmark Enterprise in the Industry

Kinri Energy focuses on the research and production of switching power supplies. Since establishment, Kinri has always strived for survival with quality. The Switching Power Supplies,Power Adapters and Battery Chargers produced by Kinri comply with safety regulations and environmental standards of various countries, and have advantages such as high cost-effectiveness, stable performance, safety and reliability, and long service life. Kinri has a leading technological advantage in the customized production of switching power supplies in China.
Better Products and More Thoughtful Services
Better Products and More Thoughtful Services

Better Products and More Thoughtful Services

Shenzhen Kinri Energy Technology Co.,Ltd regards product quality and service as life.All products sold by Kinri have passed ISO 9001:2015 quality management system certification and 14001:2015 environmental management system certification. Kinri's product design is based on international safety and environmental standards such as IEC/EN/UL62368-1/61558-1/60335-1, and has passed global certifications such as UL, CE, SAA, PSE, KC, UKCA, GS, BS, CCC, ROHS, REACH, etc.
Quick Response Within 24 Hours Before and After Sales,Can Quickly Customize Worry Free Products
Quick Response Within 24 Hours Before and After Sales,Can Quickly Customize Worry Free Products

Quick Response Within 24 Hours Before and After Sales,Can Quickly Customize Worry Free Products

With first-class application solutions and a professional pre-sales and after-sales service team, we can respond quickly within 24 hours to solve your problems! Switching power supply, power adapter and etc., Kinri not only has a professional team of senior engineers, but also has professional engineers to provide consulting services for customers. Kinri can efficiently customize and produce various satisfactory power products for you, so you don't need to look for other manufacturers at all!

KINRIFactory View

Seeing is believing, using cases to tell you the quality of KINRI

PRULDE has been granted a design patent: ·PRULDE has been granted a design patent:

Securities Star News: According to data from Qichacha, PRULDE (301353) has obtained a new design patent authorization, named "Charger (0.6A)", with patent application number CN202330685346. X, and the authorization date is April 19, 2024.Patent abstract: 1 The name of this design product is Charger (0.6A). 2. The purpose of this appearance design product is to charge the battery pack of electric tools. 3. The design key point of this appearance design product is its shape. 4. The image or photo that best illustrates the key points of the design: a stereoscopic image.Attached drawings of patent abstractSince the beginning of this year, PRULDE has obtained 8 new patent authorizations, a decrease of 33.33% compared to the same period last year. Based on the company's mid year financial data for 2023, the company invested 10.8836 million yuan in research and development in the first half of 2023, a year-on-year decrease of 8.68%.

2024-06-14
Raymax has applied for wireless charging related patents, improving the safety and stability of wireless charging ·Raymax has applied for wireless charging related patents, improving the safety and stability of wireless charging

On June 4, 2024, according to Tianyancha's intellectual property information, Shenzhen Raymax New Energy Co., Ltd. applied for an auxiliary circuit, wireless charging receiver, and wireless charging system, with the public number CN202410301002.8 and the application date being March 2024.The patent abstract shows that the present invention discloses an auxiliary circuit, a wireless charging receiving end, and a wireless charging system. The auxiliary circuit includes a voltage divider rectifier circuit, which is connected to a receiving coil in the power circuit to obtain AC voltage, and rectifies the AC voltage into DC voltage and divides the DC voltage; Filter circuit, the input terminal of the filter circuit is connected to the voltage divider rectifier circuit to obtain DC voltage and filter the DC voltage; Protect the switch circuit by connecting the input end of the protection switch circuit to the output end of the filtering circuit, and connecting the output end of the protect...

2024-06-14
LEXY has obtained utility model patent authorization: ·LEXY has obtained utility model patent authorization: "A charging dock for cleaning equipment"

Securities Star News: According to data from Qichacha, LEXY (603355) has recently obtained a utility model patent authorization, titled "A charging dock for cleaning equipment", with patent application number CN202322518739.9 and authorization date of June 14, 2024.Patent Abstract: This utility model discloses a charging stand for cleaning equipment, comprising a base body, a charging unit, and a dust cover block. The base body has a cleaning area for placing cleaning equipment; The charging unit and the dust cover block are both set on the base body, and the charging unit comprises conductive parts and a support seat set on the base body. The conductive parts are fixedly connected to the support seat, and a pin area is formed on the outer side of the support seat. The conductive parts include conductive pins, which are at least partially located within the pin area for electrical connection with the battery; The shading block is located on the upper side of the pin insertion area and...

2024-06-14
Yuxin Electronics has obtained an invention patent authorization: ·Yuxin Electronics has obtained an invention patent authorization: "A DC power supply circuit with adjustable output voltage for a fuel frequency conversion generator set"

Securities Star News: According to data from Qichacha, Yuxin Electronics (301107) has obtained a new invention patent authorization, titled "A DC power supply circuit with adjustable output voltage for fuel frequency conversion generator sets". The patent application number is CN201811488261.7, and the authorization date is June 11, 2024.Patent abstract: A direct current power supply circuit with adjustable output voltage for a fuel frequency conversion generator set, including a three-phase half controlled full bridge rectification and filtering circuit, a DC DC conversion module circuit, a PWM drive control module, and a sampling module; The input end of the three-phase half controlled full bridge rectification and filtering circuit is connected to the three-phase AC end; The output end of the three-phase half controlled full bridge rectification and filtering circuit is connected to the input end of the DC/DC conversion module circuit; The sampling module is used to collect input e...

2024-06-13
SOUTHCHIP has been granted an invention patent: ·SOUTHCHIP has been granted an invention patent:

Securities Star News: According to data from Qichacha, SOUTHCHIP (688484) has obtained a new invention patent authorization, titled "A Circuit Topology for Voltage Conversion". The patent application number is CN202210002855.2, and the authorization date is June 11, 2024.Patent Abstract: The present invention belongs to the field of power management technology, specifically relating to a circuit topology for achieving voltage conversion. The present invention mainly addresses the problem of high cost due to the use of too many semiconductor devices in traditional methods, which makes it impossible to popularize low-cost charging devices. It proposes to integrate switch mode power supplies and switch capacitors, so that switch mode power supplies and switch capacitors can reuse some switching tubes to reduce the number of semiconductor devices used and lower the cost of charging schemes.Attached drawings of patent abstractSince the beginning of this year, SOUTHCHIP has obtained 10 new...

2024-06-13
Zhongdian Xingfa has obtained a switching power supply circuit patent, achieving precise control of voltage and current ·Zhongdian Xingfa has obtained a switching power supply circuit patent, achieving precise control of voltage and current

On February 28, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Anhui Zhongdian Xingfa and Xinlong Technology Co., Ltd. had obtained a patent named "switching power supply circuit", with the authorization announcement number of CN107086798B and the application date of March 2017.The patent abstract shows that the present invention discloses a switching power supply circuit, comprising a main power grid, an EMI filter, and a rectifier bridge. The output end of the main power grid is connected to the input end of the EMI filter, and the output end of the EMI filter is connected to the input end of the rectifier bridge. The circuit is characterized in that it further includes a power factor correction module, an isolated DC/DC module, an adjustable DC/DC module, an MCU, a first acquisition module, a second acquisition module, and a control circuit. The output end of the rectifier bridge is connected to a...

2024-06-12
Dynamicpower has obtained utility model patent authorization: ·Dynamicpower has obtained utility model patent authorization: "A wall mounted communication power supply"

Securities Star News: According to data from Qichacha, Dynamicpower (600405) has recently obtained a utility model patent authorization, titled "A Wall Mounted Communication Power Supply", with patent application number CN202323137664.6 and authorization date of June 11, 2024.Patent Abstract: This utility model embodiment discloses a wall mounted communication power supply, which relates to the field of power electronics technology. Invented to meet the demand for communication power supply in scenarios with high noise requirements. The wall mounted communication power supply comprises a chassis, wherein the interior of the chassis is equipped with a distribution compartment and a rectifier compartment, wherein the distribution compartment is equipped with distribution equipment, and a first chassis door is provided corresponding to the distribution compartment; The rectifier compartment is separated from the distribution compartment, and the rectifier compartment has an opening conne...

2024-06-11
Magnate has obtained utility model patent authorization: ·Magnate has obtained utility model patent authorization: "A shell and embedded power supply"

Securities Star News: According to data from Qichacha, Magnate (002851) has recently obtained a utility model patent authorization, titled "A Shell and Embedded Power Supply", with patent application number CN202322328702. X, and the authorization date is June 11, 2024.Patent Abstract: This utility model and power supply technology field particularly discloses a shell and an embedded power supply, the shell comprises a main body and a fire blocking plate, the main body is provided with a cavity and a heat dissipation hole, and the heat dissipation hole is connected to the cavity; A fire stop plate is provided in the cavity, which separates the cavity to form an isolation chamber and a containment chamber. The isolation chamber includes a containment chamber and a first spreading channel. One end of the first spreading channel is connected to the containment chamber, and the other end of the first spreading channel forms an opening connected to the containment chamber. The orientation...

2024-06-11
Bull Group has obtained patents for multiple charging power switching devices and charging piles, solving the technical problem of electric vehicles being damaged due to power switching disorder ·Bull Group has obtained patents for multiple charging power switching devices and charging piles, solving the technical problem of electric vehicles being damaged due to power switching disorder

On June 7, 2024, according to Tianyancha's intellectual property information, Bull Group Co., Ltd. has obtained a patent called "Multi charging Power Switching Device and Charging Station", with authorization announcement number CN221090562U and application date of September 2023.The patent abstract shows that the present utility model discloses a multi charging power supply switching device and a charging pile. Among them, the multi charging power supply switching device includes: a first voltage charging power supply module, a second voltage charging power supply module, a first switching relay included in the first voltage charging power supply module in parallel with the first voltage single circuit relay, a second switching relay included in the second voltage charging power supply module in parallel with the second voltage single circuit relay, the first switching relay and the second switching relay are respectively connected to the relay power supply through their respective i...

2024-06-08
Keboda has obtained a patent for a high-power USB data charging module in vehicles, which solves problems such as slow charging speed, low output power, and incompatibility with data communication in vehicles ·Keboda has obtained a patent for a high-power USB data charging module in vehicles, which solves problems such as slow charging speed, low output power, and incompatibility with data communication in vehicles

On May 30, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Keboda Technology Co., Ltd. has obtained a patent entitled "On board high-power USB data charging module", the authorization announcement number is CN221042338U, and the application date is June 2023.The patent abstract shows that the present utility model provides a high-power USB data charging module for vehicles, which includes: a first DC voltage boosting circuit, which provides a first DC power supply to the first USB interface; The first charging protocol control circuit is connected to the first DC voltage boosting circuit; The second DC voltage boosting circuit provides a second DC power supply to the second USB interface; The second charging protocol control circuit is connected to the second DC voltage boosting circuit and the first charging protocol control circuit; The first USB interface, whose communication pins are connected to t...

2024-06-07
PYLONTECH has obtained a mobile power supply handcart patent, which can solve the problem of unstable power supply during movement ·PYLONTECH has obtained a mobile power supply handcart patent, which can solve the problem of unstable power supply during movement

On June 6, 2024, according to Tianyancha's intellectual property information, PYLONTECH has obtained a patent called "Mobile Power Hand Pulled Car" with authorization announcement number CN221068167U and application date in November 2023.The patent abstract shows that the present utility model provides a mobile power supply handcart, which relates to the field of mobile power supply technology. The mobile power supply handcart includes a bottom plate, a fixed fence, a movable fence, a pull rod, and multiple casters. The multiple casters are set at the bottom side of the bottom plate, the pull rod is connected to the fixed fence or the bottom plate, the fixed fence is fixed on the bottom plate, the movable fence is movable on the bottom plate, and forms an assembly groove for fixing the power supply with the fixed fence. The movable fence is movably connected to the fixed fence for adjusting the size of the assembly groove, and the pull rod is connected to the fixed fence or the bottom...

2024-06-07
Guda Cable Group has obtained a patent for the invention of charging pile cables ·Guda Cable Group has obtained a patent for the invention of charging pile cables

New energy vehicles are leading a global revolution in green transportation, and behind this revolution, it cannot be separated from the assistance of those who constantly innovate and dare to break through enterprises. Through continuous technological breakthroughs, Guda Cable Group has achieved new breakthroughs in charging station cable technology and developed new charging station cable products with fast temperature rise and high resistance to adverse conditions, breaking the performance limitations of traditional charging cables and injecting new vitality into the field of new energy vehicles.Recently, the reporter learned from the China National Intellectual Property Administration that the "High Anti reverse Charging Cable for Electric Vehicle Charging Pile" declared by Gooda Cable Group was granted a national invention patent with the patent number ZL202210046868. X. The acquisition of this patent marks the further improvement of Guda Cable Group's patent layout in the field...

2024-06-06
Jiechang Drive has obtained utility model patent authorization: ·Jiechang Drive has obtained utility model patent authorization: "Power Controller"

Securities Star News: According to data from Qichacha, Jiechang Drive (603583) has newly obtained a utility model patent authorization, named "Power Controller", with patent application number CN202323082745.0 and authorization date of June 4, 2024.Patent Abstract: This utility model discloses a power controller, which includes a shell, a power cord, and a winding board for storing power cords. The winding board is equipped with a card slot, and a hollow part is located near the card slot of the winding board. The hollow part provides deformation space for the card slot when the power cord is stuck in the card slot. The advantage of this utility model lies in providing deformation space for the side wall of the card slot through the setting of the hollow part, so that the card slot can accommodate power lines of different diameters, which has a reliable effect on the wire management of power lines and increases the customer's experience of operating power line management.Attached draw...

2024-06-06
Introducing the TimeProvider® XT Extension System for Migrating to a Modern Synchronization and Timing Systems Architecture ·Introducing the TimeProvider® XT Extension System for Migrating to a Modern Synchronization and Timing Systems Architecture

Accessory device to Microchip’s TimeProvider 4100 grandmaster scales up to 200 fully redundant T1, E1 or CC synchronization outputsCHANDLER, Ariz., June 3, 2024 — Critical infrastructure communication networks require highly accurate and resilient synchronization and timing, but over time these systems age out and must be migrated to a more modern architecture. Microchip Technology (Nasdaq: MCHP) today announces the new TimeProvider® XT Extension System, a fan-out shelf used with redundant TimeProvider 4100 grandmasters to migrate legacy BITS/SSU equipment to a modular and resilient architecture. The TimeProvider XT provides operators with a clear path to replace existing SONET/SDH frequency synchronization equipment while adding timing and phase, essential for 5G networks.As an accessory device to Microchip’s widely deployed TimeProvider 4100 grandmaster, each TimeProvider XT shelf is configured with two distribution modules and two plug-in modules to provide 40...

2024-06-05
Mi-BEAM series 4U/37KW high-performance bidirectional DC power supply ·Mi-BEAM series 4U/37KW high-performance bidirectional DC power supply

Introducing the Mi-BEAM SeriesSAN DIEGO, CA (June 3, 2024) – AMETEK Programmable Power is pleased to announce the new Sorensen™ Modular Intelligent-Bidirectional Energy AMplified (Mi-BEAM) Series. The Mi-BEAM Series is the newest addition to the AMETEK Programmable Power portfolio of high-power testing solutions. The Mi-BEAM Series features full DC source and sink capabilities with power levels from 12 kW up to 37kW. The Mi-BEAM Series is fully scalable up to 1.2MW with parallel systems. The available voltage ranges of 600V, 1,500V and 2,000VDC in a 4U rack height chassis provide full power up to 150A within a single system.Key Features:●  Complete solution – battery test, simulation & solar array simulator software included●  Highest power density up to 37 kW in 4U rack height (9.25 kW/U)●  Fastest and cleanest power available (fastest transient response and low output ripple and noise)●  Longest manufacturer-based reliability guarantee: 5-ye...

2024-06-05
SGMICRO applies for patents on jitter frequency circuits and switching power supply circuits to reduce peak electromagnetic interference at fixed frequencies ·SGMICRO applies for patents on jitter frequency circuits and switching power supply circuits to reduce peak electromagnetic interference at fixed frequencies

On June 4, 2024, according to Tianyancha's intellectual property information, SGMICRO has applied for a patent titled "A TikTok Circuit and a Switching Power Supply Circuit", with publication number CN202410324415.8 and application date of March 2024.LOGO OF SGMICROThe patent abstract shows that the jitter frequency circuit and switching power supply circuit provided in this disclosed embodiment include: a triangular voltage generation module, a target clock signal generation module, and a first capacitor. The target clock signal generation module includes a second capacitor, with the first end of the first capacitor electrically connected to the first node and the second end of the second capacitor electrically connected to the second node; The triangle voltage generation module compares the voltage of the first node with the target reference voltage, and controls the charging and discharging of the first capacitor based on the relationship between the voltage of the first node and t...

2024-06-05
Infineon unveils roadmap for power supply units in AI data centers ·Infineon unveils roadmap for power supply units in AI data centers

Infineon Technologies AG of Munich, Germany has unveiled a roadmap of energy-efficient power supply units (PSU) specifically designed to address the current and future energy need of artificial intelligence AI data centers.By introducing what is described as unprecedented PSU performance classes, Infineon is enabling cloud data-center and AI server operators to reduce their energy consumption for system cooling. The PSUs reduce power consumption and CO2 emissions, resulting in lower lifetime operating costs. The powerful PSUs are not only used in future data centers but can also replace existing power supply units in servers and increase efficiency.In addition to the existing PSUs with an output of 3kW and 3.3kW available today, the new 8kW and 12kW PSUs should contribute to further increasing energy efficiency in future AI data centers. With the 12kW reference board, Infineon will offer what is reckoned to be the first power supply unit that achieves this level of performance and sup...

2024-06-04
WSZ Lead Form Allows Devices to Be Used as SMD Components to Reduce Assembly Costs ·WSZ Lead Form Allows Devices to Be Used as SMD Components to Reduce Assembly Costs

MALVERN, Pa. — May 29, 2024 — Vishay Intertechnology, Inc. (NYSE: VSH) today announced that 5 W devices in its AC and AC-AT series of cemented, axial-leaded wirewound resistors are now available with a pick and place friendly SMD lead bending option, the WSZ lead form, that allows the devices to be used as surface-mount components. Offering excellent pulse capability, the Vishay Draloric AC05 WSZ and AEC-Q200 qualified AC05-AT WSZ are also offered in a non-inductive version AC05-NI WSZ for fast switching circuits.AC05 WSZ, AC05-AT WSZResistors with the WSZ lead form can be assembled on the PCB alongside other surface-mount components to improve the pick and place process, reduce assembly times, and lower costs. The devices will serve as snubber and inrush current limiting resistors for pre-charge / discharge applications in automotive and industrial electronics, energy meters, and white goods power supplies. For these applications, the resistors offer peak power up to 5 kW...

2024-06-04
HONOTO has obtained patents for isolated driving circuits and switching power supplies, effectively improving the anti-interference ability of isolated driving circuits ·HONOTO has obtained patents for isolated driving circuits and switching power supplies, effectively improving the anti-interference ability of isolated driving circuits

On May 30, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Shenzhen HONOTO Electronics Co., Ltd. obtained an item entitled "Isolated Drive Circuit and Switching Power Supply", with the authorization announcement number of CN221042653U, and the application date of September 2023.The patent abstract shows that the present application discloses an isolated driving circuit and a switching power supply. The circuit includes: a switching circuit, connected in series between the input and output terminals of an isolated driving circuit; The detection control circuit includes a first control end, a first detection end, and a second detection end. The first control end is electrically connected to the second control end of the switch circuit, and the first detection end is electrically connected to the input end of the isolation drive circuit; The first filtering circuit includes a first end, a second end, and...

2024-06-04
Yongli Technology has obtained a patent for a switching power supply and its high-voltage discharge circuit, which can reduce the high voltage to below a safe voltage ·Yongli Technology has obtained a patent for a switching power supply and its high-voltage discharge circuit, which can reduce the high voltage to below a safe voltage

On May 30, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Wuhan Yongli Technology Co., Ltd. had obtained a patent entitled "a switching power supply and its high-voltage discharge circuit", with the authorization announcement number of CN221042656U and the application date of September 2023.The patent abstract shows:This utility model discloses a switching power supply and a discharge circuit for its high-voltage output. The discharge circuit for the high-voltage output includes a discharge unit and a discharge control unit;The discharge unit has a series connected discharge switch tube and discharge resistor, which are connected between the positive end of the high-voltage output of the switching power supply and the grounding terminal;The discharge control unit comprises a transistor, whose base is connected to a preset power supply through a first resistor, and its collector is connected to the pre...

2024-06-03
Feilifu has obtained a patent for a rail socket adapter, with stable and reliable grounding conductivity performance ·Feilifu has obtained a patent for a rail socket adapter, with stable and reliable grounding conductivity performance

On May 31, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Philips Technology Co., Ltd. had obtained a patent entitled "a rail socket adapter", with the authorization announcement number of CN221057785U and the application date of September 2023.The patent abstract shows that the utility model discloses a track socket adapter, which belongs to the field of power socket structure design, comprising a shell, as well as a grounding plug sleeve, a live wire plug sleeve, and a zero wire plug sleeve fixed inside the shell; Install a power socket at the bottom of the shell, which is equipped with a zero wire pin and a live wire pin; The power socket is equipped with vertical perforations for the grounding terminal to pass through. The grounding terminal is a retractable structure that includes a hollow first conductor, a second conductor that can be moved up and down at the bottom of the first conductor, and...

2024-06-01
SDIC has obtained invention patent authorization: ·SDIC has obtained invention patent authorization: "An adapter circuit and device for emergency download mode of electronic devices"

Securities Star News: According to data from Qichacha, SDIC (300188) has obtained a new invention patent authorization, titled "An adapter circuit and device for emergency download mode of electronic devices". The patent application number is CN202010954242.X, and the authorization date is May 28, 2024.Patent Abstract: The present invention provides an adapter circuit and device for emergency download mode of electronic devices, including an input end, an output end, and a control module. The control module includes a switch module and an upper computer control module. The switch module and the upper computer control module are connected in parallel between the input end and the output end, for switching the connection between the data transmission terminal of the input end and the data transmission terminal of the output end or with the ground terminal, so that the data transmission terminal of the input end is connected to one of the ground terminal or the data transmission terminal...

2024-05-31
Bull Group applies for converter patents to avoid excessive occupation of socket sockets ·Bull Group applies for converter patents to avoid excessive occupation of socket sockets

On May 29, 2024, the financial sector reported that according to the announcement of the China National Intellectual Property Administration, Bull Group Co., Ltd. applied for a patent named "converter", with the publication number of CN202410393472.1 and the application date of April 2024.The patent abstract shows that this disclosure discloses a converter belonging to the field of electronic devices. The converter includes a casing, a sleeve component, a pin component, and a track component; The plug-in component is located inside the casing; The track component is located inside the casing and is electrically connected to the socket component; The pin component is movably connected to the housing, and the movement direction of the pin component is consistent with the extension direction of the track component. The pin component and the track component can be in sliding electrical contact. This disclosure can prevent the socket from being excessively occupied.Attached drawings of pat...

2024-05-30
Turas Ice Cube Pro Low Temperature Charger Head, High Charging Efficiency, Safe and Reliable ·Turas Ice Cube Pro Low Temperature Charger Head, High Charging Efficiency, Safe and Reliable

With the rapid development of technology, the charging technology of electronic devices is also constantly innovating. Low temperature fast Charger Heads, as an outstanding achievement, are gradually being favored by consumers. This new type of charging device can not only quickly recharge electronic devices such as smartphones and tablets in a very short time, but more importantly, it can maintain efficient charging performance in low-temperature environments, providing users with a more convenient and safe charging experience. In this context, major 3C accessory brands have launched low-temperature fast Charger Heads to meet the needs of users, and Tulas has also launched a "Little Ice Pro" charger. From the naming, it can be seen that Tulas Little Ice Por focuses on small and portable, and has competed to enter the white hot market.When charging quickly, the Charger Head inevitably heats up. The Tulas Ice Cube Pro Charger Head adopts the latest Zero Voltage Switching (ZVS) technolo...

2024-05-30
SUNGROW applies for a patent for inverter control method, which can reduce inner tube stress ·SUNGROW applies for a patent for inverter control method, which can reduce inner tube stress

On May 29, 2024, the financial sector reported that according to the announcement of the China National Intellectual Property Administration, SUNGROW Co., Ltd. applied for a patent entitled "an inverter and its control method", with the publication number of CN202410211539.5 and the application date of February 2024.The patent abstract shows that the present application provides an inverter and its control method. The control method first generates various modulation signals of the ANPC three-level topology to ensure the realization of dual channel freewheeling; Then, for each modulation signal, the single channel freewheeling state within the current half cycle is set before and after each dual channel freewheeling state during its modulation cycle, as a dead zone for switching between non-zero output states; Moreover, the dead time after the end of the dual channel freewheeling state is a preset duration, so its value can be set according to the actual application situation, in orde...

2024-05-30
Huabao New Energy has applied for a patent for the handle shaft structure of energy storage power supplies, ensuring that the handle is gently placed on the shell and improving the user experience ·Huabao New Energy has applied for a patent for the handle shaft structure of energy storage power supplies, ensuring that the handle is gently placed on the shell and improving the user experience

On May 29, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Shenzhen Huabao New Energy Co., Ltd. applied for a project entitled "Handle shaft structure of energy storage power supply, handle of energy storage power supply and energy storage power supply", with the public number of CN202410385387.0 and the application date of March 2024.The patent abstract shows that the present invention discloses a handle shaft structure of an energy storage power supply, a handle of an energy storage power supply, and an energy storage power supply. The handle shaft structure of the energy storage power supply is used to connect the handle body of the energy storage power supply and the housing of the energy storage power supply. The handle of the energy storage power supply has a pulling and placing state, and the handle rotating shaft structure includes a rotating shaft body and a limiting member. The limiting membe...

2024-05-30
Kivi Instruments has been granted an invention patent: ·Kivi Instruments has been granted an invention patent: "Switch control circuit, switch power supply system, and frequency control method based on pin multiplexing"

Securities Star News: According to data from Qichacha, Kivi Instruments (688045) has obtained a new invention patent authorization, titled "Switching Control Circuit, Switching Power Supply System, and Frequency Control Method Based on Pin Reuse". The patent application number is CN202110280838.0, and the authorization date is May 28, 2024.Patent Abstract: The present invention discloses a switch control circuit based on pin multiplexing, comprising a first pin and a second pin; The switch control circuit is coupled to a first circuit; The first pin is used to output a pulse width modulation signal to control the first circuit; The second pin is used in the first time stage to detect and obtain the detection current flowing through the first circuit, and in the second time stage to detect and obtain the component characteristics of the first circuit; The switch control circuit controls the pulse width modulation signal based on the detection current and component characteristics, wher...

2024-05-30
Anke launches a 30W ice point fast charging charger: compatible with Apple, iPhone 15, and more ·Anke launches a 30W ice point fast charging charger: compatible with Apple, iPhone 15, and more

Anke launches a 30W ice point fast charging charger: compatible with Apple iPhone 15 and others, priced at 59.9 yuanRecently, Anke has launched a 30W ice point fast charging charger, claiming to be "11 ℃ lower than international standards", with a price of 59.9 yuan.It is reported that this product offers a variety of colors including white, black, blue, pink, etc. It adopts a foldable pin design, reduces the volume by 59%, and has a 3D transparent material on the top cover with a round and full R-angle curve. The product weighs 49g.This product is equipped with a brand new patented ice sensing chip, which increases the cooling efficiency by 266%, claiming to be "11 ℃ lower than international standards"; Supporting AI intelligent temperature control, equipped with intelligent temperature sensors, real-time monitoring of mobile phone temperature; New gallium nitride technology, supports Apple certified 30W fast charging, compatible with Android 22.5W, and can charge iPhone 15 50% in 26...

2024-05-29
Kewell has been granted an invention patent: ·Kewell has been granted an invention patent: "A discharge resistance control circuit and its control method for testing power supplies"

Securities Star News: According to data from Qichacha, Kewell (688551) has obtained a new invention patent authorization, titled "A Test Power Supply Discharge Resistance Control Circuit and Its Control Method". The patent application number is CN202011278505.6, and the authorization date is May 28, 2024.Patent abstract: A discharge resistance control circuit and its control method for a testing power supply, relating to the field of testing power supply technology. The circuit includes a DC power supply, capacitor C, discharge resistance R, power switch Q, main control chip MCU, operational amplifier, and load; Capacitor C is connected in parallel at both ends of the DC power supply, discharge resistor R is connected in series with power switch Q and connected in parallel at both ends of capacitor C, and the load is connected at both ends of capacitor C; The output end of the operational amplifier is connected to the main control chip MCU, and the input end collects the output voltag...

2024-05-29
Gree Electric Appliances has obtained invention patent authorization: ·Gree Electric Appliances has obtained invention patent authorization: "Plastic sealed motor"

Securities Star News: According to data from Qichacha, Gree Electric Appliances (000651) has obtained a new invention patent authorization, named "Plastic Sealed Motor", with patent application number CN201710357899.6, and the authorization date is May 28, 2024.Patent abstract: The present invention provides a plastic sealed motor, comprising: a plastic sealed stator; Bearing bracket, located on the side of the plastic sealed stator; The circuit board is installed on a bearing bracket, and a power line is connected to the circuit board. The power line extends from the circuit board towards the direction of the plastic sealed stator to the outer side of the plastic sealed motor; The wire clamp is equipped with a wiring hole that is compatible with the power line, and the wire clamp is placed between the bearing bracket and the plastic sealed stator. The wire clamp of the plastic sealed motor of the present invention can effectively fill the gap between the power line, the plastic seale...

2024-05-29
INOVANCE has been granted a utility model patent: ·INOVANCE has been granted a utility model patent:

Securities Star News: According to data from Qichacha, INOVANCE (300124) has recently obtained a utility model patent authorization, titled "Power Function Safety Protection Circuit and Switching Power Supply", with patent application number CN202322554736.0 and authorization date of May 28, 2024.Patent Abstract: This utility model discloses a power supply functional safety protection circuit and a switching power supply. The power supply functional safety protection circuit comprises an overvoltage detection protection circuit, wherein the detection end of the overvoltage detection protection circuit is connected to the output end of the power supply circuit, the control end of the overvoltage detection circuit is connected to the power supply end of the power supply chip, the overvoltage detection protection circuit is used to detect the output voltage of the power supply circuit, and when the output voltage of the power supply circuit is overvoltage, the power supply end of the pow...

2024-05-29
The largest medium voltage power supply vehicle in China successfully connected to the grid in Qinghai ·The largest medium voltage power supply vehicle in China successfully connected to the grid in Qinghai

High altitude for the first time! The largest medium voltage power supply vehicle in China successfully connected to the grid in QinghaiOn May 20th, State Grid Qinghai Provincial Electric Power Company successfully carried out on-site grid connection operation of a 3000 kW medium voltage power supply vehicle in Xining City. This is the first time in Qinghai Province and also the first time in high-altitude areas across the country that the medium voltage power supply vehicle with the highest power in China has officially settled in Qinghai, helping Qinghai's power distribution network to take uninterrupted operation to a new level.It is understood that the medium voltage power supply vehicle is mainly powered by a 3000 kW gas turbine and uses turboprop aviation engines. It has advantages such as high output power and clean emissions. The vehicle has three working modes: independent power generation, grid connected power generation, and uninterrupted load transfer, which can meet the n...

2024-05-29
NARADA has been granted an invention patent authorization: ·NARADA has been granted an invention patent authorization: "A continuous cooling system for battery swapping cabinets"

Securities Star News: According to data from Qichacha, NARADA (300068) has obtained a new invention patent authorization, titled "A Continuous Cooling System for Battery Exchange Cabinets", with patent application number CN201910904085.9 and authorization date of March 22, 2024.Patent Abstract: The present invention belongs to the field of charging safety technology for battery swapping cabinets, specifically a continuous cooling system for battery swapping cabinets, including a temperature monitor, controller, reagent bottle, and external pipeline. The external pipeline is equipped with a nozzle corresponding to each battery compartment, and the nozzle extends into the battery compartment; The opening of the drug bottle is equipped with an electric control valve, and an inner tube is set inside the drug bottle. The inner tube is a hard tube, and its axis coincides with the axis of the drug bottle; A guide tube is set at the end of the inner tube, and the lower opening of the guide tu...

2024-05-28
European Patent: Rectifier Converter and Control Method for Uninterruptible Power Supply ·European Patent: Rectifier Converter and Control Method for Uninterruptible Power Supply

Vertiv, an American company, has developed a rectifier converter for UPS and its control method. The converter includes a rectifier discharge reuse module, two power switch modules, and a battery switch module. This control method effectively reuses rectifiers and battery discharge devices, thereby reducing the cost and volume of UPS.Attached drawings of patent abstract

2024-05-28
SUNGROW announces international patent application: ·SUNGROW announces international patent application: "A power control protection system and control protection method"

Securities Star News: According to data from Qichacha, SUNGROW (300274) has announced an international patent application titled "A Power Control Protection System and Control Protection Method" with patent application number PCT/CN2023/090208. The international publication date is March 7, 2024.The patent abstract is as follows:Image source: World Intellectual Property Organization (WIPO)Since the beginning of this year, SUNGROW has published 7 international patent applications, a decrease of 36.36% compared to the same period last year. Based on the company's mid year financial data for 2023, the company invested 1.049 billion yuan in research and development in the first half of 2023, a year-on-year increase of 45.04%.

2024-05-28
Tektronix unveils SignalVu Spectrum Analyzer Software Version 5.4 for analysis of up to eight simultaneous signals, improving multi-signal analysis capabilities for engineers ·Tektronix unveils SignalVu Spectrum Analyzer Software Version 5.4 for analysis of up to eight simultaneous signals, improving multi-signal analysis capabilities for engineers

Tektronix unveils SignalVu Spectrum Analyzer Software Version 5.4 for analysis of up to eight simultaneous signals, improving multi-signal analysis capabilities for engineersBuilt to address the needs of modern wireless systems, such as phased array antennas, next-gen RF transmitters, and mixed-signal ICs, Version 5.4 offers multi-channel digital modulation analysis when used with Tektronix 5 Series MSO, 6 Series MSO, or DPO70000 Oscilloscopes.BEAVERTON, Ore., April 23, 2024-- Tektronix, Inc, a leading provider in test and measurement solutions, today announced the release of its SignalVu Spectrum Analyzer Software, Version 5.4, for multi-channel modulation analysis of up to eight signals in parallel. Engineers can use this software to turn their existing oscilloscope into a comprehensive wireless system tester, instead of investing in a dedicated tester such as a vector signal analyzer. It is particularly valuable for applications requiring time-domain analysis with RF measurements....

2024-05-28
Midea Group has obtained utility model patent authorization: ·Midea Group has obtained utility model patent authorization: "Heating assembly, water dispenser, and water purifier for drinking equipment"

Securities Star News: According to data from Qichacha, Midea Group (000333) has recently obtained a utility model patent authorization, titled "Heating Assembly, Water dispenser, and Purifier for Drinking Equipment". The patent application number is CN202322519683.9, and the authorization date is May 24, 2024.Patent Abstract: This utility model discloses a heating assembly, a water dispenser, and a water purifier for drinking equipment. The heating assembly for drinking equipment includes: an installation bracket, a first electric control, a second electric control, a heating module, and a power adapter. The installation bracket is suitable for connecting to the base, the installation bracket includes an installation box, and both the first electric control and the second electric control are installed in the installation box. The first electric control is used for electrically connecting to the ice making module, and the installation box is equipped with a heat dissipation hole. The...

2024-05-28
Sharge and OnePlus reveal pricing for impending 3-in-1 Pouch power bank ·Sharge and OnePlus reveal pricing for impending 3-in-1 Pouch power bank

The OnePlus x Sharge Pouch. (Source: Sharge)The OnePlus x Sharge Pouch is touted as an entire charging kit rather than a power bank, as it can also keep its own charger and cable on it at all times thanks to an innovative "co-engineered" design. The partners have announced the new accessory's price ahead of its imminent pre-orders, as well as a way to avoid paying all of it on that day.Sharge and OnePlus assert that their co-created Pouch comes with everything required for fast mobile device charging in one, thanks to an "ergonomic" design that incorporates clips to manage an included cable as well as a magnetically-connected power brick.The power bank found at its core is rated for a standard 10,000mAh capacity, and to charge a host of compatible (USB-C) devices at either 55W via the SuperVOOC standard used by OnePlus (as well as OPPO and Realme) or up to 40W otherwise.The partners assert that it is made of "premium" materials (finished in OnePlus red and white rather than signature...

2024-05-27
Siemens delivers end-to-end silicon quality assurance for next-generation IC designs with new Solido IP Validation Suite ·Siemens delivers end-to-end silicon quality assurance for next-generation IC designs with new Solido IP Validation Suite

●  Comprehensive validation suite provides seamless IP quality assurance throughout the IC design cycle●  Latest IP validation suite from Siemens integrates with industry-leading solutions to provide a complete workflow for IP development teamsSiemens Digital Industries Software today introduced Solido™ IP Validation Suite software, a comprehensive, automated signoff solution for quality assurance across all design intellectual property (IP) types, including standard cells, memories and IP blocks. This new solution provides complete quality assurance (QA) coverage across all IP design views and formats, as well as version-to-version IP qualification for more predictable full-chip IP integration cycles and faster time-to-market.Integration of off–the-shelf design IP for next-generation semiconductor designs continues to expand due to the quality-enhancing and time-saving advantages of IP reuse and modularization. To achieve silicon success, all IP must be validate...

2024-05-27
SIGLENT Technology has obtained a design patent authorization: ·SIGLENT Technology has obtained a design patent authorization: "Programmable DC Power Supply"

Securities Star News: According to data from Qichacha, SIGLENT Technology (688112) has obtained a new design patent authorization, named "Programmable DC Power Supply", with patent application number CN202330769176.3 and authorization date of May 7, 2024.Patent abstract: 1 The name of this appearance design product is Programmable DC Power Supply. 2. The purpose of this appearance design product is to be used as a computer programmable DC power supply. 3. The design key point of this appearance design product is its shape. 4. The image or photo that best illustrates the key points of the design: Design 1 Stereoscopic Figure 1. 5. Designate Design 1 as the basic design.Attached drawings of patent abstractSince the beginning of this year, SIGLENT Technology has obtained 34 new patent authorizations, an increase of 209.09% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 86.0979 million yuan in research and devel...

2024-05-27
GreatStar Technology Obtains Utility Model Patent Authorization: ·GreatStar Technology Obtains Utility Model Patent Authorization: "Energy Storage Device"

Securities Star News: According to data from Qichacha, GreatStar (002444) has obtained a new utility model patent authorization, named "Energy Storage Device", with patent application number CN202322953521.6 and authorization date of May 24, 2024.Patent Abstract: This utility model discloses an energy storage device, which belongs to mobile power supply technology. Existing energy storage devices are inconvenient to repair and the energy parts are stacked and combined with each other. This utility model stacks various stacked modules up and down together, and the two adjacent stacked modules are horizontally positioned in grooves through protrusions, and electrically connected through the insertion of the first electrical plug interface and the second electrical plug interface. The protrusions and grooves are separately set on the bottom surface of the adjacent stacked upper stacked modules and the top surface of the lower stacked modules. When it is necessary to repair the control mo...

2024-05-27
JINGWEI HIRAIN has been granted a utility model patent for ·JINGWEI HIRAIN has been granted a utility model patent for

Securities Star News: According to data from Qichacha, JINGWEI HIRAIN (688326) has recently obtained a utility model patent authorization, titled "High Edge Drive Circuit, Controller and Vehicle", with patent application number CN202322745290. X and authorization date of May 24, 2024.Patent Abstract: This utility model relates to the technical field of high edge drive circuits, and discloses high edge drive circuits, controllers, and vehicles. The high side driving circuit includes a driving module, a control module, and a protection module. The driving module is used to connect the first power supply and the load. The driving module includes a first switching device, which is used to power the load when the first switching device is in a conductive state; The control module is connected to the driver module, which is used to control the first switching device to conduct or turn off. The control module includes the second switching device, which is used to control the first switching...

2024-05-27
Melexis unveils MLX90418:cools servers with a code-free 1-coil fan driver ·Melexis unveils MLX90418:cools servers with a code-free 1-coil fan driver

Tessenderlo, Belgium 23 May 2024 – Melexis unveils the MLX90418, an all-in-one 1-coil brushless DC (BLDC) fan driver. This IC solution is pioneering a code-free single-coil fan driver able to support server-specific functions such as power-loss braking and AC power-loss management. Targeting the ever-expanding server market, the MLX90418 represents a highly effective 1-coil solution that reduces Bill of Material (BoM) costs by up to 25% compared to existing three-phase BLDC fans.Melexis cools servers with a code-free 1-coil fan driverThe number of servers continues to increase to meet the demands for data storage and processing power, including cloud services and AI. This market has a growing need for dependable cooling solutions that fulfill the performance requirements at the right cost.Single-coil solutions are the standard for server cooling fans up to 15 W. For higher power fans either MCU-based 1-coil, or 3-phase solutions are considered. With the release of the MLX90418,...

2024-05-25
Honor Company applies for a switching power supply patent, which can effectively improve the EMC problem of power adapters ·Honor Company applies for a switching power supply patent, which can effectively improve the EMC problem of power adapters

On November 29, 2023, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Honor Terminal Co., Ltd. applied for a project named "switching power supply, power adapter, charging system and charging method", with the publication number of CN117134593A, and the application date of March 2023.The patent abstract shows that the present embodiment provides a switching power supply, power adapter, charging system, and charging method, which can effectively improve the EMC problem of the power adapter. In the switching power supply, the first control signal is used to detect the voltage and current output of the switching power supply, and feedback the voltage and current to the second control module; The second control module is used to adjust the switching frequency of the switching tube based on voltage and current; The frequency detection module is used to detect the switching frequency and send the switching frequen...

2024-05-25
Anbao Technology has been granted a patent for a digital high-power charger efficiency improvement circuit ·Anbao Technology has been granted a patent for a digital high-power charger efficiency improvement circuit

According to data from Qichacha, Huizhou Anbao Technology Co., Ltd has obtained a new invention patent authorization, titled "A Digital High Power Charger Efficiency Improvement Circuit". The patent application number is CN219086859U, and the authorization date is May 26, 2023.Patent abstract:This utility model discloses a digital high-power charger efficiency improvement circuit, which includes a rectification circuit PFC circuit, power supply circuit The LLC circuit, feedback circuit, and control circuit of the microcontroller input a voltage of 100-240VAC. After rectification, the power supply circuit provides a 15VDC voltage to the LDO stabilizing circuit and then stabilizes it to 5V for the microcontroller. The control circuit of the microcontroller detects the model provided by the feedback circuit and outputs different PWM to the half bridge LLC, thereby changing the pulse width of the driving signal controlling the LLC MOS and adjusting the voltage and current. And it is refle...

2024-05-25
Anke Innovation has obtained a charger patent, with a maximum power density of up to 25W/inch ·Anke Innovation has obtained a charger patent, with a maximum power density of up to 25W/inch

On March 25, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Anke Innovation Technology Co., Ltd. had obtained a project named "One kind of charger", with the authorization announcement number CN110021977B, and the application date was March 2019.The patent abstract shows that the present invention provides a charger, comprising at least a housing, a first circuit board electrically connected to each other, and a second circuit board, wherein the first circuit board and the second circuit board are provided within the accommodating space formed by the housing; A first circuit is set on the first circuit board; A second circuit is set on the second circuit board; The extension direction of the plane where the first circuit board is located is different from that of the plane where the second circuit board is located. The charger of the embodiment of the present invention is smaller in size, more conveni...

2024-05-25
Topband Corporation has obtained a power adapter circuit patent, improving the charging efficiency of the load end ·Topband Corporation has obtained a power adapter circuit patent, improving the charging efficiency of the load end

On April 1, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Shenzhen Topband Co., Ltd. had obtained a project entitled "Power Adapting Circuit, Controller, Electrical Device, Power Adapting Method and Device", with the authorization announcement number of CN112671073B and the application date of January 2021.The patent abstract shows that the present invention is applicable to the field of power adapter technology, specifically providing a power adaptation circuit, controller, electrical device, power adaptation method, and device. The control unit sequentially sends the output power level to the communication unit, which then sends it to the adapter. After receiving at least one adaptation signal feedback from the adapter, the adaptation signal is sent to the control unit. Based on the adaptation signal, the output power level that the adapter can adapt to is recorded. Then, according to the charging...

2024-05-25
JWJOULWATT has been granted an invention patent for ·JWJOULWATT has been granted an invention patent for "unidirectional conduction circuit, bridge drive circuit, and switching power supply"

Securities Star News: According to data from Qichacha, JWJOULWATT (688141) has obtained a new invention patent authorization, titled "Unidirectional Conduction Circuit, Bridge Drive Circuit, and Switching Power Supply". The patent application number is CN202410195083.8, and the authorization date is May 24, 2024.Patent Abstract: The present invention discloses a unidirectional conduction circuit, a bridge driving circuit, and a switching power supply. The unidirectional conduction circuit is applied to a bridge driving circuit. The bridge driving circuit includes a high side driver and a first capacitor, with the first end of the first capacitor connected to the reference potential point of the high side driver, and the second end providing power supply voltage to the high side driver. The unidirectional conduction circuit includes a first switching transistor and a current limiting circuit. The first end of the first switching transistor is connected to the second end of the first ca...

2024-05-25
CanSemi Patent Publication for a Voltage Detection Circuit, Voltage Detection Method, and Electronic Equipment ·CanSemi Patent Publication for a Voltage Detection Circuit, Voltage Detection Method, and Electronic Equipment

According to Tianyancha, CanSemi Semiconductor Technology Co., Ltd. has released a patent for a voltage detection circuit, voltage detection method, and electronic equipment. The application publication date is May 14, 2024, and the application publication number is CN118033215A.The present invention provides a voltage detection circuit, a voltage detection method, and an electronic device. The circuit comprises a first MOSFET module, a second MOSFET module, a first MOSFET, a second MOSFET, a third MOSFET, a first comparator, and an inverter module; The input terminal of the first MOSFET module and the input terminal of the second MOSFET module are connected to the power supply terminal; The source of the first MOS transistor and the source of the second MOS transistor are grounded; The output terminal of the first MOSFET module and the drain of the first MOSFET are connected to the same direction input terminal of the first comparator; The output terminal of the second MOSFET module...

2024-05-24
NOVOSENSE has obtained a patent for an isolated power supply chip and its implementation method, improving the integration of the chip ·NOVOSENSE has obtained a patent for an isolated power supply chip and its implementation method, improving the integration of the chip

On May 3, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Suzhou Nanochip Microelectronics Co., Ltd. has obtained a patent entitled "an isolated power supply chip and its implementation method", the authorization announcement number is CN107437895B, and the application date is August 2017.The patent abstract shows that the present invention discloses an isolated power supply chip and its implementation method, including: a transmitting chip and a receiving chip, and the transmitting chip and the receiving chip are connected by a high-voltage resistant capacitor C1 C2 achieves power transmission and isolation of DC common mode level; The transmitting chip comprises a first oscillator, a high-voltage resistant capacitor C1 C2; The receiving chip comprises a rectification circuit composed of MOS tubes M1-M4 and a high-voltage resistant capacitor C5; The first oscillator is connected to the power supply VD...

2024-05-24
HeT obtained utility model patent authorization: ·HeT obtained utility model patent authorization: "Power Circuit and Electric Tools"

Securities Star News: According to data from Qichacha, HeT (002402) has recently obtained a utility model patent authorization, titled "Power Circuit and Electric Tool", with patent application number CN202322551081.1 and authorization date of May 17, 2024.Patent Abstract: This application belongs to the field of power management technology and relates to a power circuit and electric tool. The power circuit includes a switch main control module, a leakage protection module, a power supply self-locking module, and a power supply voltage stabilizing module; The main control module of the switch is connected to the power supply self-locking module and the leakage protection module respectively. The power supply self-locking module is connected to the power supply stabilizing module, the leakage protection module, and the functional circuit. The leakage protection module is connected to the power supply stabilizing module, and the power supply stabilizing module is connected to the functi...

2024-05-24
Amway Corporation has obtained utility model patent authorization: ·Amway Corporation has obtained utility model patent authorization: "A networked control power supply device"

Securities Star News: According to data from Qichacha, Amway Corporation (300218) has recently obtained a utility model patent authorization, titled "A networked control power supply device", with patent application number CN202322752406.2 and authorization date of May 17, 2024.Patent Abstract: This utility model relates to the field of power management technology, specifically a networked control power supply device, including a power box. The right outer wall of the power box is fixedly connected to a temperature sensor, and the outer wall of the power box is also fixedly connected to a control module and switch paddles. The control module and switch paddles are placed side by side, and there are three switch paddles arranged side by side. The outer wall of the power box is also equipped with indicator lights, with a total of four indicator lights, which display the working status of the control module and the three switch paddles with red and green lights respectively. The outer wa...

2024-05-24
ABB E-mobility´s New A400 All-in-One Charger: From Chargers to Managed Assets ·ABB E-mobility´s New A400 All-in-One Charger: From Chargers to Managed Assets

The A400:• provides highest power density with the lowest footprint,• offers a seamless smartphone-level user experience to EV owners,• has been built to deliver best-in-class lifetime economics, and• delivers telecom-level asset-management via performance SLAs.A400 All-in-One chargerZurich, Switzerland, May 14, 2024— In today's EV charging industry, lack of reliability, complex charging experiences for drivers and insufficient return on investment (ROI) are three key challenges for owner/operators and fleets that hinder large-scale deployment of charging infrastructure. The new A400 All-in-One charger offers the highest power density with the smallest footprint and addresses these challenges head-on by introducing innovations in these three problem areas: a holistic, end-user centric experience design, industrialized modularity and system engineering, and a telecom-level approach to asset management.Today, charging success rates are mediocre at best, often b...

2024-05-24
Littelfuse Unveils IX4352NE Low-side Gate Driver for SiC MOSFETs and High-power IGBTs ·Littelfuse Unveils IX4352NE Low-side Gate Driver for SiC MOSFETs and High-power IGBTs

New driver offers tailored turn-on and turn-off timing, minimized switching losses, and enhanced dV/dt immunityCHICAGO, May 7, 2024 -- Littelfuse, Inc. (NASDAQ: LFUS), an industrial technology manufacturing company empowering a sustainable, connected, and safer world, is excited to announce the launch of the IX4352NE Low-side SiC MOSFET and IGBT Gate Driver. This innovative driver is specifically designed to drive Silicon Carbide (SiC) MOSFETs and high-power Insulated Gate Bipolar Transistors (IGBTs) in industrial applications.The key differentiator of the IX4352NE lies in its separate 9 A source and sink outputs, which enable tailored turn-on and turn-off timing while minimizing switching losses. An internal negative charge regulator also provides a user-selectable negative gate drive bias for improved dV/dt immunity and faster turn-off. With an operating voltage range (VDD - VSS) of up to 35 V, this driver offers exceptional flexibility and performance.One of the standout...

2024-05-23
Teradyne Marks 8,000th J750 Semiconductor Test System Shipment ·Teradyne Marks 8,000th J750 Semiconductor Test System Shipment

Teradyne, Inc. (NASDAQ:TER), a leading supplier of automated test equipment, today announced shipment of its 8,000th J750 semiconductor test platform. This milestone has been achieved with V-Test, a leading outsourced semiconductor assembly and test (OSAT) vendor in China.Milestone achieved with V-Test, an independent third-party integrated circuit testing service companyDeployed at all the world’s leading semiconductor chip manufacturers, the Teradyne J750 tester includes wafer sort and final test solutions for microcontroller units, wireless devices, image sensors, and more. J750 testers lead the industry in quality, time to market, and cost effectiveness, delivering higher throughput and increased site count, reducing single-site test time, and optimizing parallel test efficiency.V-Test provides testing services and production capacity to top-tier fabless/design houses in China and overseas fabless companies. The company tests products ranging from consumer to automotive syst...

2024-05-22
Apple applies for a hybrid serial receiver circuit patent to provide the desired performance and power consumption ·Apple applies for a hybrid serial receiver circuit patent to provide the desired performance and power consumption

On May 10, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Apple applied for a patent named "hybrid serial receiver circuit", with the publication number CN118020272A, and the application date was September 2022.The patent abstract shows that hybrid receiver circuits included in computer systems can include both analog and ADC based receiver circuits. The front-end circuit generates different balanced signals based on the received signal encoding a serial data stream containing multiple data symbols. Based on the baud rate of the serial data stream, the digital receiving circuit or analog receiving circuit is activated to provide the desired performance and power consumption within the possible baud rate range. The ADC based receiver circuit may include multiple analog-to-digital converter circuits with different resolutions that can be selected for different baud rates.

2024-05-22
OPPO has obtained a patent for electronic device charging control technology, effectively regulating battery temperature ·OPPO has obtained a patent for electronic device charging control technology, effectively regulating battery temperature

On May 11, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, OPPO Guangdong Mobile Communications Co., Ltd. had obtained a patent entitled "A charging control method, device and storage medium for electronic equipment", with the authorization announcement number of CN112542862B, and the application date of September 2019.The patent abstract shows that the present invention discloses a charging method, device, and storage medium for an electronic device. Among them, the method comprises: obtaining the battery temperature of the electronic device; When the battery temperature of the obtained electronic device reaches the maximum temperature, the first current is used to charge the electronic device to reduce the battery temperature from the maximum temperature to the first temperature, and then the second current is used to charge the electronic device to increase the battery temperature from the first tem...

2024-05-22
SUNGROW has been granted an invention patent authorization: ·SUNGROW has been granted an invention patent authorization: "Wiring Posts and Terminals"

Securities Star News: According to data from Qichacha, SUNGROW (300274) has obtained a new invention patent authorization, named "Wiring Posts and Wiring Terminals", with patent application number CN202011148442.2 and authorization date of May 14, 2024.Patent Abstract: The present invention discloses a terminal block and a terminal block, which comprises a wiring structure for connecting with cables, with at least two wiring structures for adapting to fixed holes of different cables. The terminal block disclosed in the present invention can be connected to different cables without increasing the number of terminal blocks or terminals, by selecting at least two terminal blocks set in the cable connection structure for adapting to the fixing holes of different cables. This reduces the space occupied by the wiring and lowers the wiring cost.Attached drawings of patent abstractSince the beginning of this year, SUNGROW has obtained 315 new patent authorizations, an increase of 89.76% compa...

2024-05-22
Anke Innovation has obtained a mobile power supply patent, improving the sealing performance when opening and closing ·Anke Innovation has obtained a mobile power supply patent, improving the sealing performance when opening and closing

On May 6, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Anke Innovation Technology Co., Ltd. had obtained a patent entitled "a flip component and mobile power supply", with the authorization announcement number of CN220896946U and the application date of August 2023.The patent abstract shows that the present application discloses a flip component and a mobile power supply, wherein the flip component comprises a main body and a cover plate; The cover plate includes a fixed part and a flip cover, which are connected to the main body. The fixed part is provided with an opening, and the flip cover is rotatably connected to the main body. The flip cover can rotate relative to the fixed part around the rotation centerline to open and close the opening; The flip cover has a positioning groove, which is located below the fixed part when the flip cover closes the opening; When the flip cover rotates upwards t...

2024-05-22
Xinhongye has obtained a patent for high-power cooling DC charging pile cables and their manufacturing methods, with a current carrying capacity of 2.5-3 times that of cables of the same cross-section ·Xinhongye has obtained a patent for high-power cooling DC charging pile cables and their manufacturing methods, with a current carrying capacity of 2.5-3 times that of cables of the same cross-section

On April 27, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Wuxi Xinhongye Cable Technology Co., Ltd. obtained a project entitled "high-power cooling DC charging pile cable and its manufacturing method", with the authorization announcement number of CN107967959B, and the application date of November 2017.The patent abstract shows that the present invention discloses a high-power cooling type DC charging station cable, which includes: two sets of signal control cables, two main power cores, two backup power cores, and one ground wire. A high thermal conductivity PP filling mesh is added between the core and the core, a layer of thermal conductivity film is wrapped around the core group, and a layer of wear-resistant and corrosion-resistant elastic polyolefin material is wrapped around the thermal conductivity film. The conductors of the two main power cores are twisted by several sets of strands, and a...

2024-05-21
Bull Group has obtained a design patent authorization: ·Bull Group has obtained a design patent authorization: "Charging Gun"

Securities Star News: According to data from Qichacha, Bull Group (603195) has obtained a new design patent authorization, named "Charging Gun", with patent application number CN202330136468.3 and authorization date of May 3, 2024.Patent abstract: 1 The name of this exterior design product is Charging Gun. 2. The purpose of this appearance design product is to be used as a charging gun for charging new energy vehicles. 3. The design key point of this appearance design product is its shape. 4. The image or photo that best illustrates the design points: Design 1 Stereoscopic. 5. Designate Design 1 as the basic design.Attached drawings of patent abstractSince the beginning of this year, Bull Group has obtained 52 new patent authorizations, an increase of 48.57% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 673 million yuan in research and development, a year-on-year increase of 14.47%.

2024-05-21
SHINRY has obtained utility model patent authorization: ·SHINRY has obtained utility model patent authorization:

Securities Star News: According to data from Qichacha, SHINRY (300745) has newly obtained a utility model patent authorization, named "Charger and Vehicle", with patent application number CN202322159682.8 and authorization date of May 17, 2024.Patent abstract: This application provides a charger and a vehicle. The charger includes a circuit board, which includes a connected main body and an insulation part. The circuit board also has through holes, which run through the main body and insulation part; Field effect transistor, which is attached to the main body of the circuit board; The first cooling element is located on the side of the circuit board away from the field-effect transistor. The first cooling element is adjacent to the insulation part of the circuit board and at least partially faces the field-effect transistor, and there is a gap between the first cooling element and the circuit board; The thermal conductivity component includes a first thermal conductivity component and...

2024-05-21
Feianrui adds patent information authorization: ·Feianrui adds patent information authorization: "Terminal intelligent control circuit and terminal equipment"

Feianrui (872451) has added patent information, with Feianrui as the patent holder and Tian Baojun, An Feihu, and Li Xin as inventors. The patent authorization date is May 17, 2024, and the patent name is "Terminal Intelligent Control Circuit and Terminal Equipment". The patent type is a Chinese utility model patent, and the patent application number is CN202323186862.1.The patent abstract shows that the present utility model discloses a terminal intelligent control circuit and terminal equipment, including a relay module, a radar module, and the ON-OFF port of the radar module connected to the control end of the relay module; The collector of transistor Q3 is connected to the control end of the relay module; Voice control module, the PA1 port of the voice control module is connected to the base of the transistor Q3; Power module; Power supply control circuit, the output end of the power module is connected to the power supply end of the voice control module through the power supply c...

2024-05-21
Sugon adds patent information authorization: Sugon adds patent information authorization: ·Sugon adds patent information authorization: Sugon adds patent information authorization: "Power redundant circuits, DC distribution systems, and power equipment"

Sugon (872808) has added patent information, with Sugon as the patent holder and Cai Zhenlin, Sun Dechuan, Liu Mingyan, Wang Hongchao, and Ma Gongzheng as inventors. The patent authorization date is May 17, 2024, and the patent name is "Power Redundant Circuit, DC Distribution System, and Power Equipment". The patent type is a Chinese utility model patent, and the patent application number is CN202321684349.2.The patent abstract shows that the present application relates to a power supply redundant circuit, a DC distribution system, and a power supply device, wherein the power supply redundant circuit comprises a multi-channel distribution module; The input side of each distribution module is connected to different power sources, and the output side of each distribution module is connected in parallel with the electrical equipment. The redundant power supply circuit improves the reliability of supplying power to DC electrical equipment.Attached drawings of patent abstract

2024-05-21
New Era of Wireless Charging: LUXSHAREICT has applied for a patent titled ·New Era of Wireless Charging: LUXSHAREICT has applied for a patent titled "Vehicle Charging Method, Vehicle Charging System, and Vehicle"

Recently, according to the announcement of the China National Intellectual Property Administration, LUXSHAREICT (002475. SZ) has applied for a patent entitled "Vehicle Charging Method, Vehicle Charging System and Vehicle", with the application publication number of "CN 117799455 A". The patent abstract shows that the invention can achieve wired and wireless charging of vehicles, while ensuring charging efficiency and safety, saving vehicle space, improving user experience, and adapting to different vehicles, with high universality.In the field of electric vehicles, wireless charging technology has been commercially applied and has become a key development direction for the new generation of advanced charging technology; Wireless charging technology not only improves charging efficiency and reduces energy loss during the charging process, but also expands charging distance, making electric vehicle charging more convenient and flexible. This patented technology fully demonstrates the in...

2024-05-20
SmartGen Technology has been granted a design patent for ·SmartGen Technology has been granted a design patent for

Securities Star News: According to data from Qichacha, SmartGen Technology (301361) has obtained a new design patent authorization, named "Battery Charger (BACM2440)", with patent application number CN202330762024.0 and authorization date of May 17, 2024.Patent abstract: 1. The name of this design product is: Battery Charger (BACM2440). 2. Purpose of this appearance design product: This appearance design product is mainly used for charging control of generator set batteries. 3. The design key point of this appearance design product is its shape. 4. The image or photo that best illustrates the key points of the design: Stereogram 1.Attached drawings of patent abstractSince the beginning of this year, SmartGen Technology has obtained 8 new patent authorizations, a decrease of 33.33% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 21.3697 million yuan in research and development, a year-on-year increase of 36.54...

2024-05-20
MOSO has obtained invention patent authorization: ·MOSO has obtained invention patent authorization:

Securities Star News: According to data from Qichacha, MOSO (002660) has obtained a new invention patent authorization, titled "Wide Voltage Hybrid PFC Converter and Switching Power Supply". The patent application number is CN202110043057. X, and the authorization date is May 14, 2024.Patent Abstract: The present invention discloses a wide voltage hybrid PFC converter and a switching power supply. The converter includes an AC input unit, a rectification unit, a first input filtering capacitor, a first output filtering capacitor, a second input filtering capacitor, a second output filtering capacitor, a selection switch, a PFC conversion unit, and a PFC control unit. The AC output end of the AC input unit is electrically connected to the AC input end of the rectification unit, the output end of the rectification unit is connected to the first input filtering capacitor and the first input end of the PFC conversion unit, the output end of the rectification unit is connected to the second...

2024-05-20
FM obtained invention patent authorization: ·FM obtained invention patent authorization: "A primary feedback switching power supply control chip, control system, and charger"

Securities Star News: According to data from Qichacha, FM (300671) has obtained a new invention patent authorization, titled "A Primary Feedback Switching Power Supply Control Chip, Control System, and Charger". The patent application number is CN201810736792.7, and the authorization date is May 17, 2024.Patent Abstract: A primary feedback switch power supply control chip, including a reference voltage unit, comparator unit, voltage monitoring unit, driving unit, switch unit, and rectifier unit. The switch power supply control chip eliminates the need for a self powered time generator, and the self powered time within a single cycle is determined by the voltage feedback pin of the switch power supply control chip. In addition, the energy storage module used to power the switch power supply control chip is connected between the power pin and the voltage feedback pin of the switch power supply control chip, so that whether the control system operates in self powered mode or non self pow...

2024-05-20
Anker Innovations has obtained utility model patent authorization: ·Anker Innovations has obtained utility model patent authorization:

Securities Star News: According to data from Qichacha, Anker Innovations (300866) has recently obtained a utility model patent authorization, titled "Protection Circuit, Energy Storage Inverter Power Supply, and Photovoltaic Energy Storage Inverter System". The patent application number is CN202322608268.0, and the authorization date is May 17, 2024.Patent Abstract: This application discloses a protection circuit, an energy storage inverter power supply, and a photovoltaic energy storage inverter system. The protection circuit is applied to an energy storage inverter power supply. The protection circuit includes a control module, a voltage comparison module, a protection module, and a trigger module. The voltage comparison module includes a comparator, and the positive input end of the comparator is used to sample the target voltage. The negative input end of the comparator is used to connect to the reference voltage. The protection module is connected to the output end of the compara...

2024-05-20
BYD releases its new vehicle platform the “e-platform 3.0 Evo” ·BYD releases its new vehicle platform the “e-platform 3.0 Evo”

BYD has unveiled its latest advancement in electric vehicle technology with the introduction of the “e-platform 3.0 Evo” – an enhanced iteration of the e-platform 3.0. The upgraded platform release was accompanied by the debut of the Sea Lion 07 EV. Priced from USD26,000, the Sea Lion 07 EV is positioned as a “medium-sized urban smart electric SUV” within BYD’s Ocean series, showcasing the capabilities of the new architecture.The upgrades introduced on the e-platform 3.0 Evo are centralised around five key technology clusters, that create a safer, smarter and more efficient vehicle platform.  What does the platform offer?SafetyA key aspect of the new platform is the ‘cell to body’ (CTB) design that enhances the safety of the architecture by increasing the front cabin’s safety clearance area. BYD claims this improves frontal collision safety by 60%. The CTB design integrates a high strength roll beam and the blade battery toget...

2024-05-18
SUNGROW has obtained utility model patent authorization: ·SUNGROW has obtained utility model patent authorization: "Slow start circuit and inverter system"

Securities Star News: According to data from Qichacha, SUNGROW (300274) has newly obtained a utility model patent authorization, titled "Slow Start Circuit and Converter System", with patent application number CN202322221177.9 and authorization date of May 14, 2024.Patent abstract: This utility model provides a slow start circuit and an inverter system; Among them, the slow start circuit includes an AC voltage access terminal, a rectifier bridge, a slow start switch selection circuit, and multiple DC voltage output terminals; The AC voltage access terminal is connected to the AC power grid and connected to the input section of the rectifier bridge; The output terminal of the rectifier bridge is connected to multiple DC voltage output terminals through a slow start switch selection circuit; Multiple DC voltage output terminals are connected to multiple DC busbars of the inverter; When the slow start switch selection circuit receives the slow start control signal, it connects the rectif...

2024-05-18
SUNGROW has been granted an invention patent: ·SUNGROW has been granted an invention patent: "A method for detecting ground impedance and an inverter system"

Securities Star News: According to data from Qichacha, SUNGROW (300274) has obtained a new invention patent authorization, titled "A method for detecting ground impedance and an inverter system". The patent application number is CN202111553438.9, and the authorization date is May 14, 2024.Patent abstract: This application provides a method for detecting ground impedance and an inverter system. The detection method for ground impedance is applied to an inverter system consisting of N inverters, with the AC side of each inverter connected to the AC side of the inverter system, where N is a positive integer. In the method of detecting ground impedance, due to the correlation between each preset equation and the corresponding ground impedance of the inverter system, the impedance values of each test ground impedance, as well as the AC ground electrical quantity of the inverter system in different states and the DC ground electrical quantity of each inverter in different states, are respec...

2024-05-18
· What is a switching power supply charger?

1. The meaning of switching power supply chargerA switching power supply charger refers to an electronic product that uses switching power supply technology for charging. It can convert AC power into DC power and provide electrical energy to charge the device. The switching power supply charger is currently one of the most widely used chargers, and its advantages compared to other chargers mainly include high power efficiency, stable output level, and strong adaptability.2. Working principle of switching power supply chargerThe working principle of a switching power supply charger is to convert AC power input into high-frequency AC power through switching power supply technology, and generate the required DC power through transformer transformation to charge the device. There are two main types of switch power chargers: AC/DC and DC/DC. AC/DC switch power chargers are mostly used for mobile phones, tablets, and other devices, while DC/DC switch power chargers are mostly used for camer...

2024-04-15
· Open Frame Power Supply Manufacturer in China: Creating High Quality Open Frame Power Supply to Support the Development of Intelligent Technology

Open frame power supply is an electronic device mainly used to provide stable power supply for various electronic products. As one of the core components of electronic products, the quality of open frame power supply is directly related to the performance and stability of the entire product. Therefore, choosing a high-quality open frame power supply manufacturer is crucial.Open Frame Power Supply of Shenzhen Kinri EnergyThere are many open frame power supply manufacturers in the market, but it is not easy to choose a manufacturer that provides high-quality products. At this point, consumers need to pay attention to some key factors, such as the reputation of the manufacturer, the quality and performance of the product, etc. Only by choosing a reputable and high-quality manufacturer can we guarantee the purchase of open frame power products that meet our needs.A high-quality open frame power supply manufacturer should have advanced production equipment and technology to ensure product...

2024-04-09
· What's a BUS communication for battery charger?

BUS communication refers to a method of communication between devices in a system using a shared bus. In the context of a battery charger, BUS communication can be used to transfer data and control signals between the charger and other components in the charging system.Here are some common uses of BUS communication in battery chargers:1. **Monitoring and control**: The charger can send information about the charging status, battery voltage, current, and temperature to a central control unit or display. This allows for real-time monitoring and control of the charging process.2. **Configuration and programming**: Through BUS communication, the charger can be configured and programmed with specific charging parameters, such as charging voltage, current limit, and charging profiles.3. **Fault detection and diagnostics**: The charger can report any faults or errors to the system, enabling timely troubleshooting and maintenance.4. **Battery management**: BUS communication can be used to int...

2024-06-18
· Remote power controller: a device used for remote power control

A remote power controller is a device that can remotely control the power on or off of a device through communication methods such as network or telephone. The following is a detailed answer about the remote power controller:remote power controller 1. Definition and FunctionA remote power controller is a device that integrates power control, power status monitoring, and telemetry functions. It can connect to the controlled device through a network or other communication protocol to achieve remote power control and status monitoring. The main functions include:Remote control of power supply: Users can turn on, off, and schedule the power supply of the controlled equipment at any time and anywhere through the network or telephone.Power status monitoring: The remote power controller can monitor the power status of the controlled equipment in real time, including parameters such as current and voltage, to ensure the stable operation of the equipment.Telemetry function: Through the remote...

2024-06-14
· What is a power supply control system and what are its functions?

What is a power supply control system?A power supply control system is a device or system used to control the power supply. It can control the output, input, and various parameters of the power supply to ensure the normal operation and safety of the equipment. A power supply control system typically consists of a power source, control circuit, and load. The power supply is the core part that provides electrical energy, the control circuit is responsible for regulating and monitoring the output of the power supply, and the load is the equipment served by the power system.Power supply control techniquesIn a power supply control system, the control circuit is a very important part. It can automatically or manually adjust the output of the power supply to meet the needs of the device. At the same time, the control circuit can also monitor the status of the power supply, timely detect and solve various problems, and ensure the normal operation and safety of the equipment.The power supply c...

2024-06-13
· The principle of frequency stabilization and voltage stabilization in variable frequency power supplies

The principle of frequency stabilization and voltage stabilization in variable frequency power supplies is mainly achieved through precise control of output voltage and frequency through digital signal processors (DSP) or microcontrollers (MCU).variable frequency power supplyIn a variable frequency power supply, the input power is first rectified and filtered to obtain a basically stable DC voltage. Then, through efficient power electronic devices such as IGBT, MOSFET, etc., the DC voltage is converted into AC voltage, and adjusted through a transformer to ultimately output the required voltage and frequency.During this process, DSP or MCU will continuously monitor the demand of the load and the waveform of the input power supply, adjust the output voltage and frequency according to the preset control algorithm, in order to achieve stable frequency and voltage regulation. Specifically, if the load demand increases, the DSP or MCU will automatically increase the output voltage and freq...

2024-06-13
· Why does a switching power supply suddenly emit a lot of noise?

In today's rapidly changing technology, switching power supplies have become an indispensable part of our lives and work. However, sometimes we suddenly encounter a troubling phenomenon - the switching power supply inexplicably emits a lot of noise. What exactly is going on? Let's delve deeper together and unravel the mystery behind it.500W Switching Power SupplyThe Mystery of Switching Power Supply NoiseWhen we use electronic devices in our daily lives, we sometimes encounter situations where the switch power supply suddenly emits a lot of noise. What exactly is going on?Possible Cause AnalysisInductance issueUnder high-frequency current, if the quality of the inductor is poor, loose, or the magnetic core is saturated, it may vibrate and emit whistling noise.Transformer abnormalityTransformers with loose windings or loose iron cores are prone to vibration and noise during operation.Capacitor faultDamaged or degraded filtering capacitors can affect current stability, leading to noise....

2024-06-12
· How to measure the output ripple of a switching power supply using an oscilloscope?

An oscilloscope is an instrument used to measure electronic signals and can be used to measure the output ripple of a switching power supply. The following are the steps to measure the output ripple of a switching power supply using an oscilloscope:1. Prepare the oscilloscope and test probeFirstly, it is necessary to prepare an oscilloscope, a test probe, and relevant connecting wires. The testing probe should be selected with sufficient bandwidth and sensitivity to measure the output ripple of the switching power supply.2. Connect the oscilloscope and test probeConnect the oscilloscope and test probe through connecting wires and ensure that the input impedance of the probe matches the input impedance of the oscilloscope. It is also necessary to correctly connect the probe to the output terminal of the tested switch power supply.3. Set oscilloscope parametersTurn on the oscilloscope and select the appropriate measurement mode (such as AC coupling, DC coupling, etc.). Then, it is neces...

2024-06-11
· Argentine power adapter: a must-have tool for Argentine travel

Argentina, a country on the South American continent, is renowned for its rich culture, unique scenery, and passionate people. For travelers, the adventure in Argentina is always full of surprises and fun. However, when you step onto this land, besides appreciating the scenery and experiencing culture, there is another important thing to pay attention to - the use of power adapters.Argentina's voltage standards and socket types are different from many other countries. Therefore, if you plan to use electronic devices here, such as mobile phones, laptops, or cameras, you need a suitable Argentine power adapter. Below, we will provide detailed information about Argentine power adapters to help you better deal with power issues during your travels.6W ROUTER POWR ADAPTER(Argentine power adapter)Voltage standards and socket types in ArgentinaThe voltage standard in Argentina is 220 volts and the frequency is 50 hertz. This means you need an adapter that can handle this voltage and frequency...

2024-06-08
· What are the requirements for the installation environment of EV charging stations?

What are the requirements for the installation environment of EV charging stations? One article analysis, practical guide!With the popularization of electric vehicles, EV charging stations are receiving increasing attention. What environmental requirements should be considered when installing a EV charging station? This article will provide you with some useful information.240KW Ultra Fast DC EV Charging Station1. Parking space and power supply conditionsFirstly, you need to ensure that you have a suitable parking space. The charging station needs to be installed on a flat, open, and obstacle free ground so that vehicles can easily enter and exit. In addition, the installation position of the charging station should be as close as possible to the vehicle's charging port for easy connection.In terms of power conditions, you need to ensure that there is a power outlet near your parking space. If your parking space does not have a power outlet, you may need to consider retrofitting the p...

2024-06-07
· The difference between variable frequency power supply and power frequency power supply

DefinitionBoth variable frequency power supply and industrial frequency power supply are power supply devices, but there are significant differences in their working principles and output frequencies.Power frequency power supply usually refers to a power supply that outputs a fixed frequency (50Hz, 60Hz, etc.), with stable output voltage and current, suitable for the power supply of most conventional electrical appliances. The variable frequency power supply can control the output frequency in real time according to the needs, and the frequency can be adjusted according to the needs, thereby meeting the working needs of different devices.variable frequency power supplyCharacteristic1. The working principle is different. Power frequency power supply mainly uses an AC power supply composed of transformers and rectifiers to output fixed frequency AC power. The variable frequency power supply uses a frequency converter to convert AC power into DC power for processing, and then uses an inv...

2024-06-07
· The Difference between Switching Power Supply and Linear Power Supply: A Comprehensive Analysis of Appearance, Component Function, and Price

In today's field of electronic technology, the importance of power supply as the "power source" of various electronic devices is self-evident. Switching power supplies and linear power supplies, as two common types of power supplies, have significant differences in appearance, component functionality, and price. This article will delve into these differences from a professional perspective and uncover the mystery of switching power supplies and linear power supplies.100W Switching Power Supply1. Appearance dimensionSwitching power supplies often exhibit a compact and compact body shape, with intricate and efficient structural design. They are usually equipped with specialized cooling structures such as heat sinks to ensure stable heat dissipation during high-power operation. This perfect combination of compactness and functionality makes the switch mode power supply present a simple and exquisite appearance.Compared to others, the appearance of linear power sources may appear slightly...

2024-06-06
· Factors to consider in the design of charging station power supply architecture

The architecture design of charging station power supply needs to consider multiple factors to ensure its reliable, efficient, and safe operation. Here are some key points that designers need to pay attention to:7KW Smart AC EV Charging Station1. Power input: The charging station needs to be designed according to the local voltage and frequency. For example, charging posts in Chinese Mainland are usually designed for 220V/50Hz or 380V/50Hz input voltage. We need to consider the stability of the power supply and whether it is necessary to equip a converter from AC to DC.2. Conversion efficiency: AC to DC converters require high conversion efficiency to reduce energy loss and improve energy efficiency.3. Overload protection: The charging station needs to have an appropriate overload protection mechanism to prevent damage caused by excessive current or voltage.4. Short circuit protection: Short circuit protection should be included in the design to prevent damage caused by electrical sho...

2024-06-06
· Five common faults and solutions of variable frequency power supply

Variable frequency power supply is a power electronic device that can convert AC power from mains power into adjustable frequency AC power. It can adjust the output voltage and frequency according to needs, providing a stable and reliable power supply for equipment operation. However, in actual use, some faults are often encountered, and this article will introduce these faults and solutions.frequency power supply1. Short circuitThe causes of short circuit faults may include: short circuit in the connecting circuit, output terminal failure, or equipment failure. Check if there are any faults in the connection lines, power output terminals, and equipment itself. If so, repair or replace them in a timely manner.2. Unstable output voltageThe unstable output voltage may be caused by unstable power supply voltage, load changes, aging of internal components in the power supply, damage to output filtering capacitors, poor contact of motor coils, and other reasons.Therefore, it can be solved...

2024-06-06
· How to reduce the output ripple and noise of switching power supplies?

The ripple of switching power supply mainly comes from five aspects: input low-frequency ripple, high-frequency ripple, common mode ripple noise caused by parasitic parameters, ultra-high frequency resonance noise generated during power device switching process, and ripple noise caused by closed-loop regulation control.250W Switching Power Supply1. Low frequency ripple is related to the filtering capacitor capacity of the output circuit. The capacity of a capacitor cannot increase indefinitely, resulting in residual low-frequency ripple output. After being attenuated by a DC/DC converter, the AC ripple exhibits low-frequency noise at the output of the switching power supply, which is determined by the ratio of the DC/DC converter and the gain of the control system. The ripple suppression of current controlled DC/DC converters is slightly improved compared to voltage controlled ones. But the low-frequency AC ripple at its output end is still relatively large. To achieve low ripple outp...

2024-06-05
· Common Switching Power Supply Chips and Their Characteristics

Switching power supply is a high-efficiency and highly reliable power conversion technology widely used in various electronic devices. The switching power supply chip is the core component of the switching power supply, which determines the performance and characteristics of the switching power supply. In this article, we will introduce several common switching power supply chips and their characteristics.1. UC3842UC3842 is a classic current mode PWM controller chip. It has the following characteristics:●  Internally integrated with functional modules such as oscillators, error amplifiers, PWM comparators, etc., the circuit design is simplified.●  The working frequency can reach 500kHz, suitable for high-frequency switching power supplies.●  It has a cycle by cycle current limiting function, which improves the reliability of the power supply.2.TL494TL494 is a dual output pulse width modulation chip. Its features include:●  Internally integrated with two error ampli...

2024-06-04
· The Disadvantages and Shortcomings of Switching Power Supplies

The Important Position of Switching Power SupplySwitching power supply is the core power supply component of many electronic devices. Widely used in various fields such as computers, communication equipment, consumer electronics, industrial control, etc., providing stable and reliable electricity for these devices.400W Switching Power SupplySecondly, switching power supplies have the characteristic of high efficiency, which can more effectively utilize electrical energy compared to traditional power sources, and are of great significance for energy conservation and reducing energy consumption. It has the advantages of small size and light weight, making it easy to integrate and install in various electronic devices, providing support for device miniaturization and portability.Finally, with the continuous development of electronic technology, the technology of switching power supplies is also constantly advancing and innovating, constantly driving the development and transformation of...

2024-06-03
· The Function and Working Principle of Power Protector

A power protector is a device used to protect power equipment in the power system. Its main function is to monitor and control the power supply to ensure the safe operation of the power system. In modern society, electricity is the foundation for the normal operation of various equipment and systems, and there are various faults and abnormal situations in the power system. The power protector monitors the power status in real-time, detects faults and abnormalities, and takes corresponding protective measures to ensure stable power supply of the power system. This article will introduce the definition, functional functions, and detailed explanation of the principle and working mode of power protectors.Power surge protector1. What is a power protector?A power protector is a device specifically designed to protect power equipment in a power system. It mainly monitors the voltage, current, frequency and other parameters of the power supply in real-time, and monitors and controls the power...

2024-06-01