The invention relates to the technical field of battery heating, and provides a battery alternating current heating circuit of a vehicle and a control method thereof. The battery alternating current heating circuit comprises a three-phase inverter circuit, a three-phase driving motor, an on-off switch group and a power battery pack comprising at least two groups of power batteries, one end of each phase winding in the three-phase driving motor is connected through an on-off switch group, and the other end of each phase winding is connected with a three-phase inverter circuit; the positive electrode of each power battery is connected with the positive electrode of a direct-current bus of the three-phase inverter circuit and one end of any phase of winding in the three-phase driving motor, and the windings connected with the power batteries are different; switches are arranged between the positive electrode of any power battery and the positive electrode of the direct-current bus of the three-phase inverter circuit as well as between the positive electrode of any power battery and the three-phase driving motor; and the negative electrode of each power battery is connected with the negative electrode of the direct-current bus of the three-phase inverter circuit. According to the battery alternating current heating circuit of the vehicle, noise generated when the power battery is heated can be reduced, and the heating power is improved.

    本申请涉及电池加热技术领域,提供一种车辆的电池交流加热电路及其控制方法。所述电池交流加热电路包括:三相逆变电路、三相驱动电机、通断开关组以及包括至少两组动力电池的动力电池组;三相驱动电机中各相绕组的一端通过通断开关组连接,另一端与三相逆变电路连接;动力电池的正极与三相逆变电路的直流母线正极以及三相驱动电机中任一相绕组的一端连接,各动力电池连接的绕组不同;任一动力电池的正极与三相逆变电路的直流母线正极之间,以及任一动力电池的正极与三相驱动电机之间均设有开关;各动力电池的负极与三相逆变电路的直流母线负极连接。本申请实施例提供的车辆的电池交流加热电路能够减少动力电池的加热时产生的噪声,提高加热功率。


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    Titel :

    Battery AC heating circuit of vehicle and control method thereof


    Weitere Titelangaben:

    车辆的电池交流加热电路及其控制方法


    Beteiligte:
    XIA ZHULIANG (Autor:in) / ZHAO XIAOKUN (Autor:in) / LIU JIEYU (Autor:in) / VINCHY (Autor:in) / ZENG FANYI (Autor:in) / GAN MAOPENG (Autor:in)

    Erscheinungsdatum :

    2022-10-18


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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