The invention discloses a vehicle-mounted battery management system and an electric vehicle, and the system comprises a battery pack which comprises a plurality of batteries and is used for storing electric energy and providing power for a current vehicle; the charger is connected with the battery pack and is used for converting alternating current provided by a power grid into direct current required by the battery pack; and the control module is connected with the battery pack and the charger, and is used for controlling the target connection relationship of the plurality of batteries based on the output voltage of the charger and the plurality of required voltages corresponding to the plurality of batteries, so that the voltage of the battery pack is matched with the output voltage, and the charger is controlled to charge the battery pack. According to the technical scheme provided by the embodiment of the invention, the charging efficiency of the battery can be improved.

    本公开公开了一种车载电池管理系统及电动汽车,其中,系统包括:电池组,包括多个电池,用于存储电能,以及为当前车辆提供动力;充电器,与所述电池组连接,用于将电网提供的交流电流转换为所述电池组所需要的直流电流;控制模块,与所述电池组,以及所述充电器连接,用于基于所述充电器的输出电压和所述多个电池对应的多个需求电压控制所述多个电池的目标连接关系,使所述电池组的电压与所述输出电压适配,以及控制所述充电器对所述电池组充电。本公开各实施例提供的技术方案,可起到提高对电池的充电效率的作用。


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    Title :

    Vehicle-mounted battery management system and electric vehicle


    Additional title:

    车载电池管理系统及电动汽车


    Contributors:
    XU ZHONGWEI (author)

    Publication date :

    2024-01-05


    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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