The invention provides a heat preservation control system of a power battery, which is suitable for a vehicle and comprises a power battery pack, a heating film device, a heating relay, a battery management system, a vehicle control unit, a vehicle-mounted instrument and a preheating request switch, the power battery pack is connected with the heating film device, and the heating relay is arranged between the power battery pack and the heating film device; the heating relay is connected with the battery management system; the battery management system is connected with the vehicle control unit, and the vehicle control unit is connected with the vehicle-mounted instrument and the preheating request switch. The invention further provides a heat preservation control method of the power battery. According to the invention, in a low-temperature environment, the power battery can be heated by continuously utilizing the energy of the power grid under the condition that the power battery is fully charged, so that a heat preservation control effect is achieved; meanwhile, before the vehicle is charged, the power battery can be preheated in advance, and the operation efficiency of the vehicle is improved.

    本申请提供一种动力电池的保温控制系统,适用于车辆,包括动力电池包、加热膜装置、加热继电器、电池管理系统、整车控制器、车载仪表和预热请求开关;所述动力电池包与所述加热膜装置连接,所述加热继电器设置于所述动力电池包与所述加热膜装置之间;所述加热继电器与所述电池管理系统连接;所述电池管理系统与所述整车控制器连接,所述整车控制器分别与所述车载仪表、所述预热请求开关连接。本申请还提供一种动力电池的保温控制方法。通过本申请,在低温环境中,能够使动力电池在已充满电的情况下可以继续利用电网的能量给动力电池进行加热,起到保温控制的作用;同时,在车辆充电前,可以提前对动力电池进行预热,提高车辆的运营效率。


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    Title :

    Heat preservation control system and control method of power battery


    Additional title:

    一种动力电池的保温控制系统及控制方法


    Contributors:
    LI ZHONGYAO (author)

    Publication date :

    2024-03-29


    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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