The embodiment of the invention discloses a battery management system, which comprises a battery pack, an electric quantity metering device and a microprocessor. The electric quantity metering device is respectively connected with the battery pack and the microprocessor and is used for detecting voltage, current and temperature information of the battery pack, determining the battery electric quantity of the battery pack and transmitting the battery electric quantity to the microprocessor; the microprocessor is used for generating a first control signal for battery management according to the electric quantity of the battery; and the battery pack at least comprises two serially connected batteries, is also connected with the microprocessor and is used for supplying power to the electric quantity metering device and the microprocessor. According to the technical scheme of the embodiment of the invention, the battery pack is used as a whole to calculate the electric quantity of the batteries, the electric quantity calculation precision is improved, high-precision management of the multi-battery battery pack is realized, the battery management flexibility is improved, and the information processing complexity of the microprocessor is reduced.

    本发明实施例公开了一种电池管理系统,包括:电池组,电量计量装置和微处理器;电量计量装置,分别与电池组和微处理器连接,用于检测电池组的电压、电流及温度信息,确定电池组的电池电量,并将电池电量传递给微处理器;微处理器,用于根据电池电量生成用于电池管理的第一控制信号;电池组至少包括两节串联的电池,还与微处理器连接,用于向电量计量装置及微处理器供电。本发明实施例的技术方案,将电池组作为一个整体计算其电池电量,提升了电量计算精度,实现了对多电池电池组的高精度管理,提升了电池管理灵活性,同时降低微处理器信息处理复杂度。


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    Title :

    Battery management system


    Additional title:

    一种电池管理系统


    Contributors:
    QIN WEI (author)

    Publication date :

    2021-07-13


    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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