发明名称 |
Apparatus for detecting abnormality of relay |
摘要 |
An abnormality detection apparatus, which reduces erroneous detection of an open abnormality of a relay, includes a microcomputer that activates the relay and determines whether the output voltage of the relay is less than a threshold value. When the output voltage is less than the threshold value, the microcomputer repeats the activation of the relay and the determination. The detection unit detects the occurrence of an open abnormality when the repetition number exceeds two.
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申请公布号 |
US7038895(B2) |
申请公布日期 |
2006.05.02 |
申请号 |
US20020284139 |
申请日期 |
2002.10.31 |
申请人 |
TOYODA KOKI KABUSHIKI KAISHA |
发明人 |
IMAI FUKAMI;WAKAO HISAAKI |
分类号 |
G01R31/00;H02H5/04;H01H47/00 |
主分类号 |
G01R31/00 |
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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