The embodiment of the invention provides a thermal management system of a power battery and an electric vehicle, and relates to the technical field of power batteries. The thermal management system of the power battery comprises a battery pre-charging loop and a resonant inductance loop, the battery pre-charging loop comprises a battery, an electric drive bus capacitor, an inverter assembly and a drive motor, the inverter assembly is connected with the drive motor, the two ends of the electric drive bus capacitor are connected with the two ends of the inverter assembly respectively, and the battery is connected with the electric drive bus capacitor in parallel; the resonant inductance loop comprises a first relay and a resonant inductor, and the first relay, the battery, the resonant inductor and the electric drive bus capacitor are sequentially connected in series. The thermal management system of the power battery can realize the technical effect of reducing the heating noise loudness of the power battery.

    本申请实施例提供一种动力电池的热管理系统及电动车辆,涉及动力电池技术领域。该动力电池的热管理系统包括电池预充回路和谐振电感回路;所述电池预充回路包括电池、电驱母线电容、逆变器组件和驱动电机,所述逆变器组件和所述驱动电机连接,所述电驱母线电容的两端分别连接所述逆变器组件的两端,所述电池与所述电驱母线电容并联;所述谐振电感回路包括第一继电器和谐振电感器,所述第一继电器、所述电池、所述谐振电感器、所述电驱母线电容依次串联。该动力电池的热管理系统可以实现降低动力电池的加热噪音响度的技术效果。


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    Title :

    Thermal management system of power battery and electric vehicle


    Additional title:

    一种动力电池的热管理系统及电动车辆


    Contributors:
    LIU JIEYU (author) / TU XUCONG (author) / XIA ZHULIANG (author) / MA ZIHUI (author) / SU JIANYUN (author)

    Publication date :

    2022-12-20


    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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