The invention relates to a battery power switching method and device and a vehicle. The battery power switching method comprises the following steps: acquiring the actual discharge power of a battery; determining a target counting rate of a counter according to the actual discharge power, so as to conducting counting by the counter according to the target counting rate; and under the condition that the current count of the counter meets the preset condition, controlling the battery to be switched to the target power corresponding to the preset condition. Thus, the power switching time is judged according to the current count of the counter, too early or too late power switching can be avoided, the situation that power is insufficient in the starting stage of the vehicle due to too early power switching can be reduced, and the situation that the battery is over-discharged or is damaged due to over-current due to too late power switching can also be reduced.

    本公开涉及一种电池的功率切换方法、装置和车辆。电池的功率切换方法包括:获取电池的实际放电功率;根据实际放电功率,确定计数器的目标计数速率,以使计数器按照目标计数速率计数;在计数器的当前计数满足预设条件的情况下,控制电池切换至与预设条件对应的目标功率。如此,根据计数器的当前计数判断功率切换的时间,能够避免过早或过晚切换功率,既能够减少因功率切换过早导致车辆起步阶段功率不足的情况,又能够减少因功率切换过晚导致电池过放,或过流导致电池损坏的情况。


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    Title :

    Battery power switching method and device and vehicle


    Additional title:

    电池的功率切换方法、装置和车辆


    Contributors:
    SHANG RUN (author) / YAN GUANGBO (author)

    Publication date :

    2021-06-04


    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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