The invention discloses an electric vehicle time-delay charging control method which comprises the following steps: in a time-delay charging mode, when the SOC of a power battery is smaller than a first SOC threshold value, or the SOC of the power battery is larger than the first SOC threshold value and smaller than a third SOC threshold value, and the request power of a whole vehicle thermal management system is larger than 0, the time-delay charging mode is paused, and a charging pile supplies power to the power battery and/or the thermal management system; and when the SOC of the power battery is larger than the SOC third threshold value and the request power of the whole vehicle thermal management system is larger than 0, the delayed charging mode is maintained, the charging pile does not supply power to the power battery and the thermal management system, and the power battery supplies power to the thermal management system. The SOC and the battery heat management request power of the power battery are ensured preferentially, the electric quantity and the temperature of the power battery are both in a safe and healthy state, then the passenger compartment air conditioner request power is met, finally, delayed charging is conducted when no request power exists, and the requirements of a driver are met.

    本发明公开了一种电动汽车延时充电控制方法,包括在延时充电模式中,当动力电池SOC小于SOC第一阈值、或动力电池SOC大于SOC第一阈值且小于SOC第三阈值且整车热管理系统请求功率大于0时,暂停延时充电模式,充电桩给动力电池和/或热管理系统供电;当动力电池SOC大于SOC第三阈值且整车热管理系统请求功率大于0时,维持延时充电模式,充电桩不给动力电池和热管理系统供电,动力电池给热管理系统供电。本发明优先确保动力电池SOC和电池热管理请求功率,使动力电池的电量和温度均位于安全健康状态,然后再满足乘员舱空调请求功率,最后在均无请求功率时进行延时充电,满足驾驶员的需求。


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    Titel :

    Delay charging control method for electric vehicle


    Weitere Titelangaben:

    电动汽车延时充电控制方法


    Beteiligte:
    WANG JIANBO (Autor:in) / XIA LEI (Autor:in) / FAN YONG (Autor:in)

    Erscheinungsdatum :

    2022-04-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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