The invention discloses a carbon fiber composite material battery bottom protection plate. The protection plate comprises a protection plate body made of an integrally-laid carbon fiber composite material, wherein a front end of the protection plate body is provided with a first lap joint edge connected with a front auxiliary frame, a rear end of the protection plate body is provided with a secondlap joint edge connected with a battery pack, a plurality of reinforcing convex ribs are arranged on the protection plate body at intervals in the width direction, the length of each reinforcing convex rib is larger than 80% of the overall length of the protection plate body, the width of each reinforcing convex rib is larger than 5% of the overall width of the protection plate body, the height of each reinforcing convex rib is smaller than or equal to 10 mm, arc transition is adopted between the reinforcing convex ribs and the protection plate body, and the arc radius is larger than or equalto 5 mm. The protection plate is advantaged in that the use performance requirement of the battery bottom protection plate can be met, and light weight is achieved. The invention further discloses anelectric automobile, the electric automobile comprises a battery system, and the battery system comprises the carbon fiber composite material battery bottom protection plate.

    本发明公开了一种碳纤维复合材料电池底护板,包括由整体铺层的碳纤维复合材料制成的护板本体,所述护板本体前端具有与前副车架连接的第一搭接边,后端具有的与电池包连接第二搭接边;所述护板本体沿宽度方向间隔设有多个加强凸筋,所述加强凸筋的长度大于护板本体整体长度的80%,宽度大于护板本体整体宽度的5%,高度≤10mm,所述加强凸筋与护板本体之间采用圆弧过渡,圆弧半径≥5mm。其能够满足电池底护板的使用性能要求,实现轻量化。本发明还公开了一种电动汽车,包括电池系统,所述电池系统包括上述的碳纤维复合材料电池底护板。


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    Titel :

    Carbon fiber composite material battery bottom protection plate and electric automobile


    Weitere Titelangaben:

    一种碳纤维复合材料电池底护板及电动汽车


    Beteiligte:
    LIU BOFANG (Autor:in) / YANG QIN (Autor:in) / GAO CONG (Autor:in) / WANG ZHIBAI (Autor:in) / FENG GANG (Autor:in)

    Erscheinungsdatum :

    2020-06-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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