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    • 6. 发明公开
    • Motor
    • 发动机
    • EP2874285A2
    • 2015-05-20
    • EP14191611.4
    • 2014-11-04
    • Nidec Corporation
    • Sakai, TeppeiYama, TakahiroIshikawa, Kazushi
    • H02K11/00
    • H02K11/33H02K3/521H02K5/22H02K5/225H02K2203/03H02K2211/03
    • A motor includes an attachment portion, a first circuit board, and a second circuit board. The attachment portion is fixed to a frame of an apparatus to be driven by the motor through a support member. The first circuit board is arranged axially below coils and axially above the attachment portion. End portions of conducting wires defining the coils are connected to the first circuit board. The second circuit board is arranged axially below the attachment portion. An AC to DC conversion portion is mounted on the second circuit board. Since the two circuit boards are thus arranged one above the other in an axial direction, a reduction in the radial dimension of the motor is achieved while a large area in which electronic components can be mounted is secured. In addition, the attachment portion is arranged between the first and second circuit boards. This leads to an increase in an area in which electronic components can be mounted on the second circuit board, and also leads to a reduction in the axial dimension of the motor.
    • 电动机包括附接部分,第一电路板和第二电路板。 安装部分通过支撑构件固定到由马达驱动的装置的框架上。 第一电路板轴向地布置在线圈下方并且轴向地位于附接部分上方。 限定线圈的导线的端部连接到第一电路板。 第二电路板轴向地布置在附接部分下方。 AC到DC转换部安装在第二电路板上。 由于两个电路板因此在轴向方向上彼此上下布置,所以可以确保电动机的径向尺寸的减小,同时确保可安装电子部件的大面积。 此外,附接部分布置在第一和第二电路板之间。 这导致电子部件可以安装在第二电路板上的区域的增加,并且还导致电动机的轴向尺寸的减小。