The invention discloses a vehicle-mounted battery charging circuit and method, and belongs to the technical field of charging control. The vehicle-mounted battery charging circuit comprises a three-phase bridge arm circuit, an electric control switch circuit, motors and a control unit, the midpoint of each phase of bridge arm in the three-phase bridge arm circuit is connected with a coil of the corresponding motor, the first end of the electric control switch circuit is connected with the positive electrode of external charging equipment, the second end of the electric control switch circuit is connected to the midpoint of a corresponding bridge arm in the three-phase bridge arm circuit, the control unit controls the on and off of the electric control switch circuit according to the rotor angle of the motor, and the control unit controls the on and off of the three-phase bridge arm circuit according to the on and off of the electric control switch circuit. According to the invention, the appropriate electric control switch circuit and the three-phase bridge arm circuit are controlled to be correspondingly conducted according to the rotor angle of the motor, so that the cost of boosting equipment and the jitter at the beginning and the end of charging are reduced, the boosting function is realized by using the motor coil, the cost of the boosting equipment is reduced, and the charging experience of a user is improved.

    本发明公开了一种车载电池充电电路及方法,属于充电控制技术领域。本发明所述车载电池充电电路包括:三相桥臂电路、电控开关电路、电机及控制单元,三相桥臂电路中每一相桥臂的中点与对应的电机的线圈连接,电控开关电路的第一端与外部充电设备的正极连接,电控开关电路的第二端连接于三相桥臂电路中对应的桥臂的中点,控制单元根据电机的转子角度控制电控开关电路的导通与关断,控制单元根据电控开关电路的导通与关断控制三相桥臂电路的导通与关断,本发明通过根据电机的转子角度控制合适电控开关电路及三相桥臂电路对应导通,减少升压设备成本及充电开始和结束时的抖动,利用电机线圈实现升压功能,减少升压设备成本,提升用户充电时的体验。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Vehicle-mounted battery charging circuit and method


    Weitere Titelangaben:

    车载电池充电电路及方法


    Beteiligte:
    GU HAO (Autor:in) / LIU ZE (Autor:in) / TANG QIANLONG (Autor:in)

    Erscheinungsdatum :

    2022-01-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    Vehicle-mounted power battery charging circuit and charging method

    CHEN DESONG / JIANG TAO / LI WEI et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    Vehicle-mounted terminal secondary battery charging circuit and vehicle-mounted terminal secondary battery charging method

    JIN HAOZHI / JIN YINGHUA / LIAN RENCHUN | Europäisches Patentamt | 2022

    Freier Zugriff

    Vehicle-mounted charging circuit

    CAO WEIJIE | Europäisches Patentamt | 2020

    Freier Zugriff


    Vehicle-mounted charging circuit and vehicle

    CHEN BIN / LIU MINTONG / TENG YUNLONG | Europäisches Patentamt | 2023

    Freier Zugriff