发明名称 |
Abnormality detecting device for relay. |
摘要 |
<p>There is disclosed a device for detecting an abnormality in relays which is adapted such that if there is a current flow through a motor (M) when first and second transistors (Q1, Q2) are off resulting from an abnormality such as melting of first and second motor driving relays (RL1, RL2), a controller (1) turns on the transistors (Q1, Q2) of a motor driving portion (2) in response to a detection signal from a signal detecting portion (3) and accordingly provides the same potential across the motor (M) to stop the motor (M) without a conventionally complicated, costly construction. <IMAGE></p> |
申请公布号 |
EP0651489(A1) |
申请公布日期 |
1995.05.03 |
申请号 |
EP19940117208 |
申请日期 |
1994.10.31 |
申请人 |
SUMITOMO WIRING SYSTEMS, LTD. |
发明人 |
SUMIDA, YOSHITAKA, C/O SUMITOMO WIRING SYST.LTD.;TAKASHASHI, SHINICHIRO, C/O SUMITOMO ELEC. IND.LTD |
分类号 |
H02H7/08;H01H47/00;H02P7/06;(IPC1-7):H02H7/08 |
主分类号 |
H02H7/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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