The embodiment of the invention provides a battery charging and discharging device and a new energy automobile. The battery charging and discharging device comprises a charging interface, an electric drive assembly and a battery pack interface, the charging interface is used for accessing an external direct-current power supply and comprises a positive electrode access end and a negative electrode access end; the electric drive assembly comprises a motor, a first bridge arm and a second bridge arm; each phase line of the motor is respectively connected with the first end of the first bridge arm and the first end of the second bridge arm; the second end of the first bridge arm is connected with the anode access end; the second end of the second bridge arm is connected with the negative electrode access end; in the battery pack interface, a first access end used for accessing a positive electrode of a power battery pack is connected with a second end of the first bridge arm, a second access end used for accessing a negative electrode of the power battery pack is connected with a second end of the second bridge arm, and one of the first access end and the second access end is connected with the motor. The purpose of increasing the charging speed at least can be achieved.

    本发明实施例提出一种电池充放电装置和新能源汽车,其中的电池充放电装置包括充电接口、电驱总成和电池包接口;充电接口用于接入外部直流电源,包括正极接入端和负极接入端;电驱总成包括电机、第一桥臂和第二桥臂;所述电机的各相线分别与所述第一桥臂的第一端和所述第二桥臂的第一端连接;所述第一桥臂的第二端与所述正极接入端连接;所述第二桥臂的第二端与所述负极接入端连接;电池包接口中用于接入动力电池包正极的第一接入端与所述第一桥臂的第二端连接,用于接入所述动力电池包负极的第二接入端与所述第二桥臂的第二端连接,且所述第一接入端和所述第二接入端中的一者与所述电机连接。至少可以达到提高充电速度的目的。


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    Title :

    Battery charging and discharging device and new energy automobile


    Additional title:

    电池充放电装置和新能源汽车


    Contributors:
    ZHONG LIANG (author) / LIU GUANGSHENG (author) / XU HAIQING (author) / WANG BAO (author)

    Publication date :

    2025-04-15


    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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