The invention discloses a power battery pack equalization method and a battery management system, and the method comprises the steps: obtaining the battery parameters of a power battery pack, determining the current state of the power battery pack, and carrying out the equalization of the power battery pack when the power battery pack is in a reserved charging state; when the power battery pack is in a static non-reservation state or a charging state, adopting a first equalization strategy to passively equalize the power battery pack, when the power battery pack is in a static non-reservation state or a charging state, adopting a second equalization strategy to passively equalize the power battery pack, and when the power battery pack is in a discharging state; and a third equalization strategy is adopted to actively equalize the power battery pack according to the battery parameters, so that the batteries can keep good capacity consistency before the next state, and the endurance mileage of the automobile is improved.

    本发明公开了一种动力电池组的均衡方法及电池管理系统,其中,动力电池组的均衡方法通过获取动力电池组的电池参数,并确定动力电池组的当前状态,在动力电池组处于预约充电状态时,根据电池参数采取第一均衡策略对动力电池组进行被动均衡,在动力电池组处于静止无预约状态或充电状态时,根据电池参数采取第二均衡策略对动力电池组进行被动均衡,在动力电池组处于放电状态时,根据电池参数采取第三均衡策略对动力电池组进行主动均衡,从而使电池在下一个状态前保持较好的容量一致性,以提高提高汽车的续航里程。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Balancing method of power battery pack and battery management system


    Weitere Titelangaben:

    动力电池组的均衡方法和电池管理系统


    Beteiligte:
    ZENG SHENLAN (Autor:in) / LIU WENZHONG (Autor:in)

    Erscheinungsdatum :

    2022-06-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



    Battery pack balancing method and battery pack balancing device

    LIU YONGSHAN / LIU YIXIN / ZHANG DI et al. | Europäisches Patentamt | 2024

    Freier Zugriff

    BALANCING DEVICE, BATTERY MANAGEMENT SYSTEM COMPRISING SAME, AND BATTERY PACK

    YOON YEO-BONG | Europäisches Patentamt | 2021

    Freier Zugriff

    BATTERY PACK BALANCING FOR MULTIPLE BATTERY PACK SYSTEMS USING ACTIVE LOAD MANAGEMENT

    HASKARA IBRAHIM / ATLURI VENKATA PRASAD / BUCKNOR NORMAN K et al. | Europäisches Patentamt | 2024

    Freier Zugriff

    BATTERY PACK BALANCING CONTROLS FOR MULTIPLE BATTERY PACK SYSTEMS

    HASKARA IBRAHIM / ATLURI VENKATA PRASAD / BUCKNOR NORMAN K et al. | Europäisches Patentamt | 2024

    Freier Zugriff