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    • 27. 发明专利
    • Heat dissipation structure of electric apparatus
    • 电器散热结构
    • JP2011009708A
    • 2011-01-13
    • JP2010096186
    • 2010-04-19
    • Sanyo Denki Co Ltd山洋電気株式会社
    • MIYASHITA TOSHIHITOHIOKI HIROSHICHIKU JUNICHI
    • H05K7/20H05K9/00
    • H02K11/01H01L23/3737H01L23/42H01L23/433H01L23/552H02K9/22H02K11/21H02K11/33
    • PROBLEM TO BE SOLVED: To provide a heat dissipation structure of an electric apparatus with high heat dissipation effect which is able to easily dissipate the heat generated from electronic components to the outside to prevent the heat from being transmitted to the rotation position sensor.SOLUTION: A metal electromagnetic wave shielding member 11 having a first portion 11a jointed to the counter wall portion 9a of a case body 9 so as to face a circuit board 7 and a second cylindrical portion 11b rising from the circumference of the first portion 11a and extending along the circumferential wall portion 9b of the case body 9 without contacting a housing 17 is fixed to the case body 9. A heat transfer member 13 having electric insulation, thermal conductivity and flexibility is disposed closely contacted with a plurality of electronic components 33 to 39 and the first portion 11a of the electromagnetic wave shielding member 11 between the circuit board 7 and the electromagnetic wave shielding member 11.
    • 要解决的问题:提供具有高散热效果的电气设备的散热结构,其能够容易地将从电子部件产生的热量散发到外部,以防止热量传递到旋转位置传感器。解决方案: 金属电磁波屏蔽构件11,其具有与壳体9的对置壁部9a连接的第一部分11a,以面对电路板7和从第一部分11a的周边上升并沿着第一部分11a延伸的第二圆筒部分11b 壳体主体9的不与外壳17接触的圆周壁部分9b固定到壳体9.具有电绝缘性,导热性和柔性的传热构件13被设置成与多个电子部件33至39紧密接触,并且 电路板7与电磁波罩之间的电磁波屏蔽部件11的第一部分11a lding会员11。