The invention discloses a vehicle-mounted double-battery system, and the system comprises a lithium battery which is used for being connected with an electric device for power supply; the super capacitor is connected with an electric device through the inverter; the inverter controller is electrically connected with the inverter; the battery management module comprises a main control unit, a first slave control unit and a second slave control unit, the first slave control unit is used for collecting the temperature and the current of the lithium battery, the main control unit receives the required power of the electric device, the total required power of the whole vehicle is determined based on the received required power, and the second slave control unit is used for controlling the battery management module; the main control unit determines the upper limit output power of the lithium battery based on the temperature and the current of the lithium battery, determines the distribution output power of the super capacitor according to the difference value between the total demand power and the upper limit output power, and outputs an adjusting instruction to the inverter controller based on the distribution output power; and the inverter controller controls the inverter based on the adjusting instruction to adjust the output direction and the output power of the super capacitor.

    本发明公开一种车载双电池系统,包括:锂电池,锂电池用于连接用电装置以供电;超级电容,超级电容通过逆变器连接用电装置;逆变器控制器,逆变器控制器与逆变器电连接;电池管理模块,电池管理模块包括主控单元、第一从控单元和第二从控单元,其中,第一从控单元用于采集锂电池的温度和电流,主控单元接收用电装置的需求功率,基于接收的需求功率确定整车的总需求功率,主控单元基于锂电池的温度和电流确定锂电池的上限输出功率,并根据总需求功率和上限输出功率的差值确定超级电容的分配输出功率,主控单元基于分配输出功率控制向逆变器控制器输出调节指令,逆变器控制器基于调节指令控制逆变器以调节超级电容的输出方向和输出功率。


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    Title :

    Vehicle-mounted double-battery system


    Additional title:

    一种车载双电池系统


    Contributors:
    YU DONGHAI (author) / WU YILONG (author) / LIU YING (author) / NI JING (author)

    Publication date :

    2024-02-06


    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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