The invention discloses an automotive power-assisted steering electric controller capable of preventing abnormal sound, which comprises a PCB (Printed Circuit Board), a base and a cover board, wherein a conical support column and a heat conducting seat of a right trapezoid shape are integrally formed on the base; the PCB is arranged on the conical support column, is positioned through two positioning columns penetrating through the PCB, and is then fixed on the heat conducting seat by combining with screws; the cross sections of the two positioning columns are different; the left side and right side of the base are respectively provided with installation notches; installation bulges are arranged on the left side wall and right side wall of the cover board; the base and the cover board are pressed together; the installation bulges are inserted into the corresponding installation notches; the conical support column is positioned in the cover board and enables the cover board and the base to be fastened tighter and tighter; the position, close to a left front corner, of the top of the cover board is provided with a circular anti-misloading mark; and the back side of the base is provided with a plurality of strip-shaped heat conducting slots extending left and right. The automotive power-assisted steering electric controller effectively avoids the problem of unfirm connection between the base and the cover board as well as between the PCB and the base after installation and effectively avoids the problem of over-high local temperature of the PCB, and prevents the cover board and the PCB from being installed in an inverted way.


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    Title :

    Automotive power-assisted steering electric controller capable of preventing abnormal sound


    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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