The invention discloses a battery pack temperature correction method and device, a controller and a vehicle, and the method comprises the steps: obtaining a battery pack temperature, a charging parameter, a heat dissipation parameter and a battery cell parameter of a battery pack in a super fast charging state; according to the battery pack temperature, the charging parameter, the heat dissipation parameter and the battery cell parameter of the battery pack, calculating a battery temperature difference generated by the connection resistance of the battery cells in the battery pack based on a preset energy formula about the connection resistance of each battery cell; according to the battery temperature difference, the battery pack temperature is corrected to obtain the target battery pack temperature, the original battery pack temperature is corrected through the calculated battery temperature difference, the obtained corrected target battery pack temperature is relatively reduced, and in the super fast charging state, the charging current searched based on the target battery pack may be increased; therefore, the charging speed of the battery pack is increased.

    本发明公开一种电池包温度修正方法、装置、控制器及车辆,通过在超级快充状态下,获取电池包温度、充电参数、散热参数、电池包的电芯参数;根据电池包温度、充电参数、散热参数及电池包的电芯参数,基于预设的关于各电芯连接电阻的能量公式,计算由电池包中电芯的连接电阻产生的电池温差;根据电池温差,对电池包温度进行修正,得到目标电池包温度如此,通过计算的电池温差修正了原先的电池包温度,得到修正后的目标电池包温度相对降低,在超级快充状态下,基于目标电池包查找的充电电流可能增大,从而高烧电池包的充电速度。


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    Title :

    Battery pack temperature correction method and device, controller and vehicle


    Additional title:

    一种电池包温度修正方法、装置、控制器及车辆


    Contributors:
    WANG YANG (author) / ZHU JINXIN (author) / DU XIN (author) / WANG ZHICHAO (author) / LIU ZHENYONG (author)

    Publication date :

    2025-03-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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