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    • 1. 发明公开
    • 전동식 파워 스티어링 장치
    • 电动转向装置
    • KR1020130107228A
    • 2013-10-01
    • KR1020130027763
    • 2013-03-15
    • 히다치 오토모티브 시스템즈 가부시키가이샤
    • 하기와라가츠마사모토다하루아키
    • B62D5/04B62D5/00H05K9/00
    • B62D5/0406B62D5/0409
    • PURPOSE: An electric power steering device is provided to produce a large heat blocking effect and efficiently prevent the heat interference. CONSTITUTION: An electric power steering device includes an electric motor, a driving torque transmission device, a first circuit board, a second circuit board, a metal control housing (6), a heat transmission part (14), and heat guide parts (24,25). The driving torque transmission device converts the rotation of the electric motor into a linear motion and transmits the linear motion to a wheel of a vehicle. The first circuit board and the second circuit board process a motor control command and drive the electric motor based on the motor control command. The metal control housing accommodates the first and the second circuit board inside and is connected to the driving torque transmission device. The heat transmission part is located in the metal control housing and accommodates and absorbs heat from each circuit board. The heat guide part is extended from the outer surface of the metal control housing to the inside of a heat transmission member and guides the heat transmitted to the heat transmission part in a direction facing the driving torque transmission device.
    • 目的:提供一种电动助力转向装置,以产生大的阻热作用,有效防止热干扰。 构成:电动助力转向装置包括电动机,驱动转矩传递装置,第一电路板,第二电路板,金属控制壳体(6),传热部分(14)和导热部分(24) ,25)。 驱动扭矩传递装置将电动机的旋转转换为直线运动,并将线性运动传递到车辆的车轮。 第一电路板和第二电路板基于电动机控制命令处理电动机控制指令并驱动电动机。 金属控制壳体内部容纳第一和第二电路板,并连接到驱动转矩传递装置。 传热部分位于金属控制壳体中,可容纳和吸收每个电路板的热量。 导热部从金属控制壳体的外表面延伸到传热部件的内部,并且在朝向驱动转矩传递装置的方向上引导传递到传热部的热量。