The invention belongs to the technical field of automobiles, particularly relates to a lithium battery system, and further relates to a control method of a lithium battery and a vehicle. The lithium battery system for the vehicle comprises a lithium battery pack for providing power for a vehicle, an energy dissipation unit connected in parallel with the lithium battery pack, a heating unit connected in parallel with the lithium battery pack and the energy dissipation unit, and a battery management unit, the battery management unit is electrically connected with the energy dissipation unit anda control switch, the battery management unit is used for monitoring the temperature of the lithium battery system and the current of the lithium battery system and calculating the electric quantity state of the lithium battery pack, and the battery management unit can control the energy dissipation unit and the heating unit to be turned on or off through the control switch. The lithium battery system provided by the invention adopts the battery management unit to detect, control and recover the feedback current of the vehicle, so that the safety of the battery system and the whole vehicle isensured, and the efficient utilization of energy is realized.

    本发明属于汽车技术领域,具体涉及一种锂电池系统、还涉及一种锂电池的控制方法和一种车辆。锂电池系统用于车辆,包括:用于为车辆提供电力的锂电池组与锂电池组并联的能量耗散单元、与锂电池组和能量耗散单元并联的加热单元、电池管理单元,电池管理单元与能量耗散单元、控制开关电连接,电池管理单元用于监测锂电池系统的温度、锂电池系统的电流和计算锂电池组电量状态,并且电池管理单元通过控制开关能够控制能量耗散单元和加热单元的开启或关闭。本发明提出的锂电池系统采用电池管理单元对车辆的回馈电流进行检测、控制和回收,确保了电池系统和整车的安全,并实现了能量的高效利用。


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    Title :

    Lithium battery system, control method of lithium battery system and vehicle


    Additional title:

    锂电池系统、锂电池系统的控制方法和车辆


    Contributors:
    ZHOU GUANGZHAO (author) / ZHANG WANLIANG (author) / NING ZHIYUAN (author) / CUI XIAOBO (author) / HAN GENG (author) / LIU JUNPING (author)

    Publication date :

    2020-05-19


    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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