To provide a battery unit mounting structure of an electric vehicle which can reduce traveling noise while ensuring the compactness of a battery unit.SOLUTION: A battery unit 10 includes: a pair of left and right side frames 21 mounted to a pair of floor frames 3; cross frames 31 to 33 extending in a vehicle width direction and connecting the pair of side frames 21; and a plurality of battery modules 11 which are set to have substantially the same dimension in each of a longitudinal dimension, a lateral dimension, and a height dimension orthogonal to the longitudinal dimension and the lateral dimension. The plurality of battery modules 11 are supported by the cross frames 31 to 33 in the same attitude and are arranged in a plurality of rows while being adjacent to each other in the vehicle width direction such that the direction of the longitudinal dimension is substantially parallel to a front-rear direction. The mounting rigidity of the battery modules 11 in a first storage area S1 is made different from the mounting rigidity of the battery modules 11 in second and third storage areas S2 and S3.SELECTED DRAWING: Figure 4

    【課題】バッテリユニットのコンパクト性を確保しつつ走行騒音を低減することができる電動車両のバッテリユニット取付構造を提供する。【解決手段】バッテリユニット10が、1対のフロアフレーム3に取り付けられる左右1対のサイドフレーム21と、車幅方向に延びて1対のサイドフレーム21を連結するクロスフレーム31〜33と、縦寸法と横寸法と縦寸法及び横寸法に直交する高さ寸法とが略同寸法に設定された複数のバッテリモジュール11とを有し、複数のバッテリモジュール11が、クロスフレーム31〜33に同一姿勢で支持されると共に縦寸法の方向が前後方向と略平行になるように車幅方向に隣接して複数列に配置され、第1収容領域S1のバッテリモジュール11の取付剛性を第2,第3収容領域S2,S3のバッテリモジュール11の取付剛性に対して異ならせている。【選択図】 図4


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    Title :

    BATTERY UNIT MOUNTING STRUCTURE OF ELECTRIC VEHICLE


    Additional title:

    電動車両のバッテリユニット取付構造


    Contributors:

    Publication date :

    2020-12-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B62D MOTOR VEHICLES , Motorfahrzeuge / 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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