The invention provides a multi-gun power distribution direct-current charger protection system. The multi-gun power distribution direct-current charger protection system comprises at least two charging guns, at least two groups of charging modules, a plurality of direct-current contactors and at least two high-power diodes, and the charging guns are as many as the charging modules; the number of the direct-current contactors is n+n+(n-1)+...+1, n is the number of the charging guns, and each direct-current contactor is connected between one charging module and the corresponding charging gun; and the high-power diodes are connected between the direct-current contactors and the charging guns. According to the protection system, each direct-current contactor is connected between one charging gun and the corresponding charging module, and the power of the charging modules is allocated to each charging gun by selecting on-off of the direct-current contactors; the high-power diodes are arranged between the direct-current contactors and the charging guns, so that the current of a charger can only flow through one direction of the diodes to be unidirectionally conducted, and the current cannot be communicated with another charging gun. The protection system provided by the invention has the characteristics of simple operation, safety and reliability.

    本申请提供了一种多枪功率分配直流充电机保护系统,系统包括:至少两把充电枪、至少两组充电模块、多个直流接触器、至少两个大功率二极管;充电枪数量与充电模块数量相同;直流接触器的数目为n+n+(n‑1)+……+1,其中n为充电枪数量,直流接触器分别连接于各充电模块与充电枪两两之间;大功率二极管连接于直流接触器与充电枪之间。该保护系统将充电枪与充电模块两两之间连接直流接触器,通过选择直流接触器的通断调配充电模块功率给每一把充电枪;通过在直流接触器与充电枪之间安装大功率二极管使得充电机电流只能从二极管的一个方向流过单向导通,电流无法与另外的充电枪连通。本申请提供的保护系统具有操作简单、安全可靠的特点。


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    Title :

    Multi-gun power distribution direct-current charger protection system


    Additional title:

    一种多枪功率分配直流充电机保护系统


    Contributors:
    MA HAICHAO (author)

    Publication date :

    2020-12-25


    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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