The invention discloses a battery pack which comprises a battery main box body, the battery main box body is provided with a box body main frame body, a sealing box cover and a bottom protection plate piece, the sealing box cover is welded to the box body main frame body, the bottom protection plate piece is detachably connected with the box body main frame body, and a box body assembly cavity is defined by the box body main frame body, the sealing box cover and the bottom protection plate piece; the battery module is assembled in the box body assembling cavity of the battery main box body, and the positive electrode end of a battery cell of the battery module is close to one side of the bottom protection plate piece. Meanwhile, the invention further discloses an electric automobile applying the battery pack and a battery maintenance method, and the problem that the after-sales maintenance cost of an existing battery pack is high due to the fact that after-sales maintenance operation of the existing battery pack is too complex is solved.

    本发明公开了一种电池包,包括电池主箱体,电池主箱体具有箱体主框体、密封箱盖和底护板件,密封箱盖焊接箱体主框体,底护板件与箱体主框体可拆卸连接,并且,箱体主框体、密封箱盖和底护板件围设形成箱体装配腔;电池模组,电池模组装配于电池主箱体的箱体装配腔,且电池模组的电芯的正极端靠近底护板件的一侧。同时,还公开了一种应用该电池包的电动汽车,以及一种电池维修方法,解决了现有电池包在售后维修操作过于复杂而导致现有的电池包售后维修成本较高的问题。


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    Title :

    Battery pack, electric vehicle and battery maintenance method


    Additional title:

    一种电池包、电动汽车及电池维修方法


    Contributors:

    Publication date :

    2024-02-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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