The invention relates to a battery heating control circuit and method, a readable storage medium and a vehicle, and aims to improve the safety of battery heating and control. The circuit comprises a battery management system, a battery heating high-voltage loop and a vehicle control unit, wherein the vehicle control unit is respectively connected with the battery management system and the battery heating high-voltage loop. The battery management system is used for collecting heating state information of the battery in the battery heating process, generating a heating state message according to the heating state information, sending the heating state message to the vehicle control unit, determining whether the battery meets a first heating termination condition according to the heating state information, and when the battery meets the heating termination condition, controlling the battery heating high-voltage loop to be disconnected so as to stop heating the battery. The vehicle control unit is used for determining whether the battery and/or the battery management system meet a second heating termination condition or not according to the heating state message, and controlling the battery heating high-voltage loop to be disconnected when determining that the second heating termination condition is met so as to terminate heating of the battery.

    本公开涉及一种电池加热控制电路、方法、可读存储介质及车辆,以提升电池加热和控制的安全性。电路包括:电池管理系统和电池加热高压回路,整车控制器,整车控制器分别与电池管理系统和电池加热高压回路相连;电池管理系统用于在电池加热过程中,采集电池的加热状态信息,并根据加热状态信息生成加热状态报文发送给整车控制器,以及根据加热状态信息,确定电池是否满足第一加热终止条件,并在电池满足加热终止条件时,控制电池加热高压回路断开,以终止对电池加热;整车控制器用于根据加热状态报文,确定电池和/或电池管理系统是否满足第二加热终止条件,并在确定满足第二加热终止条件时,控制电池加热高压回路断开,以终止对电池加热。


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    Title :

    Battery heating control circuit and method, readable storage medium and vehicle


    Additional title:

    电池加热控制电路、方法、可读存储介质及车辆


    Contributors:
    WEI CHANGHE (author) / YANG JIANFENG (author) / DENG XINHUA (author) / WU CHUNXIAO (author) / ZHOU ENFEI (author) / QI MENGBIN (author)

    Publication date :

    2021-06-25


    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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