Wireless charging method, vehicle-mounted battery management system and electric vehicle
A wireless charging and management system technology, applied in electric vehicles, power management, battery/fuel cell control devices, etc., can solve problems such as long fault response time, long time for wireless charging to stop operation, energy storage of receiving circuits, etc., to achieve The effect of improving real-time performance and reliability, reducing communication links, and simplifying configuration requirements
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[0047] As a preferred embodiment, the method further includes:
[0048] When an emergency fault occurs, an emergency stop power supply instruction is sent to the wireless charging ground terminal through the wireless communication channel.
[0049] Specifically, when an emergency fault occurs, for example, cell voltage overvoltage, overtemperature, charging overcurrent, etc., the on-board battery management system directly sends an emergency stop power supply instruction to the wireless charging ground terminal. After receiving the power supply stop instruction, the wireless charging ground terminal can stop power supply in time, thereby reducing the loss and impact caused by the fault. Of course, the wireless charging ground end can also make autonomous judgments by diagnosing wireless communication abnormalities, so as to stop power supply in time.
[0050] Through this preferred embodiment, the time for stopping the charging operation can be effectively shortened, the power suppl...
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