The invention provides a charging control method, a charging control device and an electric vehicle, and relates to the technical field of electric vehicles. The control method comprises the following steps: after insulation detection of a charging pile is finished, sending a first voltage value to the charging pile; controlling a voltage value of a capacitor connected in parallel to the direct current charging port to be a first voltage value by using a driving motor and a driving loop thereof; setting the charging demand current value as a preset current value, obtaining the highest output charging voltage of the charging pile, and entering a charging stage; in the charging stage, determining the magnitude relationship between the voltage value of the highest charging voltage capable of being output and the second voltage value; and according to the magnitude relationship between the voltage value of the highest output charging voltage and the second voltage value, controlling the working mode of the driving loop, and adjusting the charging demand current value. According to the invention, the electric vehicle can automatically determine whether to charge the power battery through the booster circuit loop or the quick charging circuit loop, so that the electric vehicle can be charged in a better charging mode.

    本发明提供了一种充电控制方法、充电控制装置以及电动汽车,涉及电动车技术领域,所述控制方法包括:在充电桩绝缘检测结束后,向充电桩发送第一电压值;利用驱动电机及其驱动回路,控制并联于直流充电口电容的电压值为第一电压值;设定充电需求电流值为预设电流值,并获取充电桩最高可输出充电电压,进入充电阶段;在充电阶段,确定最高可输出充电电压的电压值与第二电压值的大小关系;根据最高可输出充电电压的电压值与第二电压值的大小关系,控制驱动回路的工作方式,以及调整充电需求电流值。本发明使得电动汽车自动确定是通过升压电路回路为动力电池充电,还是通过快充电路回路为动力电池充电,保证电动汽车以较优的充电方式进行充电。


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    Title :

    Charging control method, charging control device and electric vehicle


    Additional title:

    一种充电控制方法、充电控制装置及电动汽车


    Contributors:
    ZHANG MING (author)

    Publication date :

    2021-06-29


    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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