To provide a drive device capable of suppressing the generation of common mode noise.SOLUTION: A drive device 10 comprises a motor 12, a control board 16 and a microcomputer 17 for supplying power to the motor 12 and controlling driving of the motor 12, a block 11 that holds the motor 12 and the control board 16, a connecting wire 16a that electrically connects the motor 12 and the control board 16 (microcomputer 17) and passes through a through-hole 11e provided in the block 11, and also includes a metal foil 19 supported and grounded by a first resin mold 181 so as not to contact the connecting wire 16a and an inner peripheral surface 11e1 between the connecting wire 16a and the inner peripheral surface 11e1 of the through-hole 11e. As a result, parasitic capacitance can be generated between the connecting wire 16a and the metal foil 19, and noise current can be prevented from flowing into the block 11.SELECTED DRAWING: Figure 4

    【課題】コモンモードノイズの発生を抑制可能な駆動装置を提供すること。【解決手段】駆動装置10は、モータ12と、モータ12に電力を供給するとともにモータ12の駆動を制御する制御基板16及びマイコン17と、モータ12及び制御基板16を保持するブロック11と、モータ12と制御基板16(マイコン17)とを電気的に接続し且つブロック11に設けられた貫通孔11eを挿通する接続電線16aと、を備えた駆動装置であって、接続電線16aと貫通孔11eの内周面11e1との間にて接続電線16a及び内周面11e1に接触しないように、第一樹脂モールド181に支持されて接地された金属箔19を備える。これにより、接続電線16aと金属箔19との間に寄生容量を発生させることができ、ノイズ電流がブロック11に流れることを抑制することができる。【選択図】図4


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    Title :

    DRIVE DEVICE AND HYDRAULIC PRESSURE CONTROL DEVICE


    Additional title:

    駆動装置及び液圧制御装置


    Contributors:

    Publication date :

    2019-12-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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