Wireless charging system and method
A wireless charging and voltage technology, applied in electromagnetic wave systems, electrical components, circuit devices, etc., can solve problems such as inconvenient installation and desktop obstruction
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[0019] The present invention will be further described below in conjunction with accompanying drawing.
[0020] According to the corresponding relationship between the resonant voltage and the resonant frequency of the receiving end of the wireless charging system in the Qi standard, when the wireless charging distance increases, in order to ensure that the wireless charging receiving end obtains enough energy in the Ping phase to enable the wireless charging transmitting end to establish communication with the receiving end, you can Reduce the frequency of the Ping phase. At the same time, in order to avoid the problem of establishing communication failure due to the protection caused by the wireless charging receiving end in the Ping phase caused by the small wireless charging distance, two or more frequency points in the Ping phase can be set to work in turn to ensure that the system operates at a certain wireless charging level. Communication can be established norma...
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