The invention relates to an electric vehicle power battery and a quick charging method, and belongs to the technical field of electric vehicles. The electric vehicle power battery comprises a chargingconversion circuit module integrated in a battery pack of the power battery, wherein one end of the charging conversion circuit module is used for being connected with a direct-current charging interface to serve as an energy input end, the other end of the charging conversion circuit module is connected with the battery pack through a relay to serve as an energy output end, and the charging conversion circuit comprises a main controller, a switch driving circuit, an input filtering and monitoring circuit, a DCDC step-down circuit, an output rectifying and filtering circuit and an output monitoring circuit connected with the output rectifying and filtering circuit. According to the electric vehicle power battery and the quick charging method, the charging acceptance capability of the battery cell can be fully exerted, the through-flow requirement of a high-voltage interface is effectively reduced, and the purposes of improving the charging efficiency and shortening the charging time are achieved.

    本发明涉及一种电动汽车动力电池及快充方法,属于电动汽车的技术领域。本发明的电动汽车动力电池及快充方法,包括集成在所述动力电池的电池包内的充电转换电路模块,所述充电转换电路模块的一端用于连接直流充电接口作为能量的输入端,另一端通过继电器与电池组连接作为能量的输出端,充电转换电路包括主控制器、开关驱动电路、输入滤波及监控电路,DCDC降压电路,输出整流滤波电路以及与输出整流滤波电路连接的输出监控电路。本发明的电动汽车动力电池及快充方法能够充分发挥电芯的充电接受能力,有效降低高压接口通流需求,达到提升充电效率,缩短充电时间的目的。


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    Title :

    Electric vehicle power battery and quick charging method


    Additional title:

    一种电动汽车动力电池及快充方法


    Contributors:
    MA YUKUN (author)

    Publication date :

    2021-03-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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