[Problem] To increase the efficiency of heat dissipation in an electronic control unit of a power steering device. [Solution] An electronic control unit 20 for electric power steering is constituted from a single circuit board 22 that receives power supplied from the outside, the electronic control unit 20 being formed integrally with an electric motor 15, the heat generated from the electric power steering power source circuit components disposed on one surface side 23 of the circuit board 22 being dissipated by a conductor pattern (power source pattern PW1-PW3, GND pattern G1-G4) formed in aheat dissipation area 27 on the other surface side 25 of the circuit board 22.

    使电动助力转向装置的电子控制单元中的散热高效化。由从外部接受电源供给的一个电路板(22)构成与电动马达(15)一体形成的电动助力转向用的电子控制单元(20),从配置于电路板(22)的一面侧(23)的电动助力转向的电源系统电路部件产生的热由形成于电路板(22)的另一面侧(25)的散热区域(27)的导体图案(电源图案(PW1~PW3)、GND图案(G1~G4))散热。


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    Title :

    Electronic control unit for electric power steering


    Additional title:

    电动助力转向用的电子控制单元


    Contributors:

    Publication date :

    2020-11-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H05K PRINTED CIRCUITS , Gedruckte Schaltungen / B62D MOTOR VEHICLES , Motorfahrzeuge / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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