The invention discloses a battery equalization method and a battery equalization device, and the method comprises the steps of collecting the battery information of each battery in a battery pack which is electrically connected with the battery equalization device, wherein the battery information at least comprises a voltage, and the battery pack comprises a plurality of batteries which are connected in series and/or in parallel; analyzing the battery information of each battery through a battery health degree model to obtain the current capacity and the internal resistance of each battery; and determining a target equalization strategy according to the current capacity, the internal resistance and the voltage of each battery, and equalizing the battery pack according to the target equalization strategy, so that the battery pack is equalized by combining the historical data, the current capacity, the voltage and the internal resistance value of each battery, the inconsistency between the single batteries can be better improved, the charge-discharge capacity of the whole battery pack is improved, and the equalization efficiency and the equalization effect are effectively improved.

    本发明公开了一种电池均衡方法以及电池均衡设备,所述电池均衡方法包括:采集与所述电池均衡设备电性连接的电池包中每一电池的电池信息,其中,所述电池信息至少包括电压,所述电池包包括多个相互串联和/或并联的电池;通过电池健康度模型,对所述每一电池的电池信息进行分析,得到每一电池的当前容量以及内阻;根据每一电池的当前容量、内阻以及电压确定目标均衡策略,并根据所述目标均衡策略对所述电池包进行均衡。这样,结合每一电池的历史数据、当前容量、电压以及内阻值对电池组进行均衡,能够更好地改善单个电池之间的不一致性,提高整组电池组的充放电容量,有效提升均衡效率以及均衡效果。


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    Title :

    Battery equalization method and battery equalization device


    Additional title:

    一种电池均衡方法以及电池均衡设备


    Contributors:
    ZHANG HAIYING (author) / LI WENPU (author) / ZHANG DENGLIANG (author)

    Publication date :

    2020-11-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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 / 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



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