To provide a circuit board for a motor control device having substitute means for a power source interrupting relay.SOLUTION: On a power source path extended from a power source generating unit 6 to a pre-driver unit 1, a switching unit (SW) 7 for interrupting/allowing power source supply from the power source generating unit 6 to the pre-driver unit 1 is disposed. In a case where a failure or an abnormality is detected in a control circuit including a motor driving unit (INV) 5 that supplies power from an external power source BT to a motor 15 and the pre-driver unit (pre-driver IC) 1 that outputs a driving signal to the INV 5, a control unit 3 brings the SW 7 into a non-conductive state so as to interrupt the power source supply to the pre-driver unit 1.SELECTED DRAWING: Figure 1
【課題】電源遮断リレーの代替手段を有するモータ制御装置用の回路基板を提供する。【解決手段】電源生成部6からプリドライバ部1に至る電源経路に、電源生成部6からプリドライバ部1への電源供給を遮断・通電するスイッチ部(SW)7を配置する。外部電源BTからの電力をモータ15に供給するモータ駆動部(INV)5と、INV5に対して駆動信号を出力するプリドライバ部(プリドライバIC)1とを含む制御回路の故障あるいは異常が検知された場合、制御部3はSW7を非導通状態にして、プリドライバ部1への電源供給を遮断する。【選択図】図1
CIRCUIT BOARD
回路基板
2021-07-26
Patent
Electronic Resource
Japanese
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B62D MOTOR VEHICLES , Motorfahrzeuge / 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 |
MULTILAYER CIRCUIT BOARD, AND MOTOR-DRIVING CIRCUIT BOARD
European Patent Office | 2017
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