The invention discloses a boost charging topology circuit and an electric vehicle, the circuit comprises a direct current charging port, a high voltage battery and a voltage regulation module, and the direct current charging port is used for being connected with an external power supply; the high-voltage battery comprises a battery pack, the input end of the high-voltage battery is connected with the positive and negative electrodes of the direct-current charging port, the output end of the high-voltage battery is connected with the input end of the motor controller, and the motor controller is connected with the motor; the input end of the voltage regulating module is connected with the output end of the high-voltage battery, and the two output ends of the voltage regulating module are connected with the neutral point of the motor and the first negative electrode loop respectively; and when the maximum output voltage value of the external power supply is lower than the battery voltage of the battery pack, a booster circuit formed by the voltage regulating module, the motor controller and the motor is used for boosting to charge the battery pack. According to the embodiment of the invention, the battery of the electric vehicle can be charged when the external voltage is lower than the voltage of the battery, and a part of negative wire harnesses and devices are omitted in the circuit, so that the cost and the space of the whole vehicle are saved.

    本申请公开了一种升压充电拓扑电路及电动汽车,电路包括直流充电端口、高压电池及调压模块,直流充电端口用于与外部电源连接;高压电池包括电池组,高压电池的输入端与直流充电端口的正负极连接,高压电池的输出端与电机控制器的输入端连接,电机控制器与电机连接;调压模块的输入端与高压电池的输出端连接,调压模块的两个输出端分别与电机的中性点和第一负极回路连接;在外部电源的最大可输出电压值低于电池组的电池电压时,通过调压模块与电机控制器和电机形成的升压电路进行升压为电池组进行充电。根据本申请实施例,能够在外部电压低于电池电压时为电动汽车电池充电,并且电路中省去部分负极线束和器件,从而节省整车成本和整车空间。


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    Titel :

    Boost charging topology circuit and electric vehicle


    Weitere Titelangaben:

    升压充电拓扑电路及电动汽车


    Beteiligte:
    LIU SHAOWEI (Autor:in) / YUAN BAOCHENG (Autor:in) / LIU HAOXING (Autor:in) / ZHANG CHI (Autor:in) / CHEN GONG (Autor:in)

    Erscheinungsdatum :

    2024-05-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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