The invention provides a bidirectional charging circuit and a DC charging pile. The bidirectional charging circuit comprises a plurality of parallel bidirectional voltage conversion circuits and a charging pile controller. The first ends of the plurality of bidirectional voltage conversion circuits are all connected with external equipment, and the second ends of the plurality of bidirectional voltage conversion circuits are all connected with a battery pack of the direct current charging pile; wherein the external equipment is a direct-current power supply or charging equipment; a signal acquisition end of the charging pile controller is connected with a first signal output end of external equipment and a second signal output end of the battery pack, and a control signal output end of the charging pile controller is connected with control signal input ends of the plurality of bidirectional voltage conversion circuits. When the battery pack is charged and discharged, a plurality of bidirectional voltage conversion circuits are connected in parallel, so that the loading capacity of the charging pile is improved, the charging current is increased, and the charging efficiency is improved.

    本申请提供了一种双向充电电路及直流充电桩,所述双向充电电路包括多个并联的双向电压转换电路和充电桩控制器;所述多个双向电压转换电路的第一端均连接外部设备,所述多个双向电压转换电路的第二端均连接直流充电桩的电池包;其中,所述外部设备为直流电源或充电设备;所述充电桩控制器的信号采集端连接外部设备的第一信号输出端和电池包的第二信号输出端,所述充电桩控制器的控制信号输出端连接所述多个双向电压转换电路的控制信号输入端,基于此,在电池包充放电时采用多个双向电压转换电路并联的方式,提高充电桩的带载能力,增大充电电流,以提高充电效率。


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    Title :

    Bidirectional charging circuit and direct current charging pile


    Additional title:

    一种双向充电电路及直流充电桩


    Contributors:
    WANG HONGXING (author) / SHI LU (author) / LI FANJUN (author) / XU PENGCHENG (author)

    Publication date :

    2025-05-16


    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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