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Raymax has applied for wireless charging related patents, improving the safety and stability of wireless charging
Article Source：Tianyancha | Author：Tianyancha | Issuing Time：2024.06.14
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 protection switch circuit to the power transistor in the power circuit to obtain the filtered DC voltage. When the output voltage is greater than or equal to the preset voltage, the protection switch circuit conducts to drive the power transistor to conduct. Compared with existing technology, the present invention can stabilize the power supply when the vehicle power supply is abnormally powered off, prevent surge current from damaging the receiving device, and improve the safety and stability of wireless charging.
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