The invention relates to a method for generating auxiliary current of a charging pile at a gun head of the charging pile, a DC-DC module and a relay are connected in series with the input end of an auxiliary power supply of the charging gun, the relay is connected with a charging power line of the charging pile, and the DC-DC module and the relay are both installed in the charging gun; a chargingpower supply is connected into the charging pile to supply power to the charging power lines, and the number of the charging power lines is two; a communication module is arranged in the charging pile, connected with the charging gun and used for achieving transmission of charging signals, the communication module and the charging gun are connected through four wires. An auxiliary power source isgenerated in the charging gun to charge a 12-V storage battery, and therefore the number of cables is reduced, the structure is simplified, and the requirement for the number of power sources is lowered. And a 12V low-voltage power supply is not needed, so that charging is more convenient.

    本发明涉及一种在充电桩枪头产生充电桩辅助电流的方法,在充电枪辅助电源输入端串联一个DC‑DC模块和继电器,继电器与充电桩的充电动力线连接,其中,DC‑DC模块和继电器全部安装在充电枪内;在充电桩内连接一个充电动力电源,为所述充电动力线供电,其中,充电动力线为两线;以及在充电桩内设置一个通信模块,与充电枪连接,用于实现充电信号的传输,其中通信模块与充电枪之间为四线连接,本发明通过在充电枪内部产生辅助电源为12V的蓄电池充电,从而减少线缆数量,简化了结构,同时降低了电源数量的需求,无需12V低压电源,使得充电更加方便。


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    Title :

    Method for generating auxiliary current of charging pile at gun head of charging pile


    Additional title:

    一种在充电桩枪头产生充电桩辅助电流的方法


    Contributors:
    ZHAO BIRU (author)

    Publication date :

    2021-03-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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