The invention discloses a reliably-assembled electric power-assisted steering controller, comprising a PCB, a base and a cover plate. Tapered support columns and a right-trapezoid thermal conduction seat are integrally formed on the base, the PCB is arranged on the tapered support columns, positioned by penetrating through the positioning columns of the PCB and fixed to the thermal conduction seat by combining a bolt, the two positioning columns have different cross sections, installation notches are formed in the right and left sides of the base, installation bulges having equal number, corresponding position and matching size with the installation notches are arranged on the right and left sides of the cover plate, the base and the cover plate are pressed together, the installation bulges are inserted into the corresponding installation notches, the tapered support columns are positioned in the cover plate, the base and the cover plate are caused to be buckled tighter and tighter, and a plurality of stripy thermal conduction grooves extending right and left are arranged on the back of the base. By applying the structure, the problems that the base and the cover plate, and the PCB and the base shake slightly after being installed, and the temperature of part of the PCB is too high are solved.


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    Title :

    Reliably-assembled electric power-assisted steering controller


    Contributors:
    ZHANG JIAN (author) / JIANG SHIKUAN (author)

    Publication date :

    2015-11-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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