The invention relates to an automatic switching device for an auxiliary power supply of a charging pile. The automatic switching device comprises a voltage detection module, a 24V power switch and a 12V power switch, and the 24V power switch and the 12V power switch are respectively connected with the voltage detection module. The voltage detection module is electrically connected with a mainboard of a charging device. The voltage detection module is connected with a vehicle BMS through BMS communication. The voltage level of the vehicle auxiliary power supply can be automatically detected, and an automatic switching function is completed. Modularized assembly is achieved, stability and reliability are achieved, switching sensitivity is high, and time delay is avoided.
本发明涉及充电桩辅助电源自动切换装置,包括电压检测模块、24V电源开关、12V电源开关,24V电源开关、12V电源开关分别与电压检测模块连接。电压检测模块与充电装的主板电性连接。电压检测模块通过BMS通信与车辆BMS连接。本发明可自动检测车辆辅助电源电压等级,并完成自动切换功能。模块化组装,稳定可靠,投切灵敏度高,无延时。
Automatic switching device for auxiliary power supply of charging pile
充电桩辅助电源自动切换装置
2022-01-07
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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