To provide a drive control device provided with a power supply cut-off circuit, that has a structure also contributing to downsizing of a device, and to provide a driving device and a power steering device thereof.SOLUTION: A drive control device (motor drive unit 1000) comprises a drive substrate 1002 on which a drive circuit for feeding power to a motor 200 is installed; a connector 1004 attached onto a control substrate 1001, that supplies power to the drive circuit, and is connected to an external power supply line 2001; a conductive member for introducing power to the drive substrate 1002 from the connector 1004; and a power cut-off circuit 400 for cutting power off by receiving a cut-off signal instructing cut-off of the power. The power cut-off circuit 400 is connected to at least one of the connector 1004 and the conductive member, or is incorporated thereinto.SELECTED DRAWING: Figure 2
【課題】電源遮断回路を備えると共に装置の小型化にも寄与する構造の駆動制御装置、駆動装置およびパワーステアリング装置を提供する。【解決手段】駆動制御装置(モータ駆動ユニット1000)は、モータ200に電力を供給する駆動回路が搭載された駆動基板1002と、駆動回路に電力を供給し、外部電源ライン2001に接続される、制御基板1001上に取り付けられたコネクタ1004と、コネクタ1004から駆動基板1002へと電力を導く導電部材と、電力の遮断を指示する遮断信号を受けてその電力を遮断する電力遮断回路400と、を備える。電力遮断回路400は、コネクタ1004および導電部材の少なくとも一方に、接続されあるいは組み込まれる。【選択図】図2
DRIVE CONTROL DEVICE, DRIVING DEVICE, AND POWER STEERING DEVICE
駆動制御装置、駆動装置およびパワーステアリング装置
2020-01-23
Patent
Electronic Resource
Japanese
IPC: | 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 / B62D MOTOR VEHICLES , Motorfahrzeuge / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / H03K PULSE TECHNIQUE , Impulstechnik |
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