The invention discloses a power battery system applying parallel battery packs and relates to the technical field of power batteries. The system comprises four battery packs with the same specification and standards and an automobile power supply circuit. The system is characterized in that positive electrodes of the four battery packs are connected with a high-voltage positive electrode input endof an automobile power supply circuit through electric leads, negative electrodes of the four battery packs are connected with a high-voltage negative electrode input end of the automobile power supply circuit through electric leads, and the automobile power supply circuit comprises an automobile power supply component, a pre-charging control circuit, a charging control circuit and a Hall currentsensor. The system is advantaged in that by adopting a low-voltage large-current parallel connection mode tending to a safe voltage range, firstly connecting in series and then connecting a pluralityof groups of series battery packs in parallel, total internal resistance is greatly reduced, the discharge capacity is improved, the pressure of the batteries is dispersed, the service life of the batteries is prolonged, and use of the power batteries is facilitated.

    本发明公开了一种应用并联电池包的动力电池系统,包括四个同规格标准的电池包和汽车供电电路,其特征在于:四个所述电池包的正极通过导电线与汽车供电电路的高压正极输入端连接,且四个所述电池包的负极通过导电线与汽车供电电路的高压负极输入端连接,所述汽车供电电路包括汽车供电部件、预充控制电路、充电控制电路和霍尔电流传感器,本发明涉及动力电池技术领域。该应用并联电池包的动力电池系统,可实现通过采用趋向于安全电压范围内低压大电流的并联连接方式,先串联,再由多组串联电池组并联组成电池包,大大降低了总内阻,提高了放电能力,并且分散了电池的压力,延长电池寿命,从而给动力电池的使用十分有益。


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    Title :

    Power battery system applying parallel battery packs


    Additional title:

    一种应用并联电池包的动力电池系统


    Contributors:

    Publication date :

    2020-05-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    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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