The invention discloses a small electric power steering controller. The small electric power steering controller comprises a PCB, a base and a cover plate, wherein a conical supporting column and a right-angled trapezoid heat conducting seat are integrally molded above the base; the PCB is placed on the conical supporting column and located through two locating columns which penetrate through the PCB; the PCB is fixed on the heat conducting seat through a bolt; the base and the cover plate are pressed together; the conical supporting column is positioned in the cover plate and the cover plate and the base are buckled in an increasingly tighter way; four upwardly extending cylinders distributed in a rectangular shape are integrally molded on the base; thread mounting blind holes with the number equal to that of the cylinders and corresponding to the cylinders in position are formed in the back surface of the base; and a plurality of strip-shaped heat conducting slots extending from left to right are formed in the back surface of the base. The small electric power steering controller disclosed by the invention is advantaged in that the structure of the controller is small; problems that slight shaking exists between the base and the cover plate and between the PCB and the base after the base, the cover plate and the PCB are mounted and the local temperature of the PCB is too high are effectively solved; and the electric power steering controller exerts a dustproof effect.


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    Title :

    Small electric power 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 / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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