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· 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...
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06-12
2024
· 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...
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06-11
2024
· 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...
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06-11
2024
· 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...
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06-08
2024
· 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...
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06-07
2024

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