发明名称 |
ELEVATOR APPARATUS AND OPERATING METHOD THEREOF |
摘要 |
An elevator apparatus includes a safety circuit section including a plurality of abnormality detection means, a safety control device, failure detection means, and circuit changeover means. The safety control device controls electric power supply to a driving device and a brake device in accordance with a content of an abnormality detected by the abnormality detection means. The failure detection means detects a failure of the safety control device. When the failure of the safety control device is detected, the circuit changeover means forms a failure-time circuit in which the electric power supply to the driving device and the brake device is interrupted directly by the abnormality detection means. |
申请公布号 |
EP2289832(A4) |
申请公布日期 |
2014.06.11 |
申请号 |
EP20080790695 |
申请日期 |
2008.06.27 |
申请人 |
MITSUBISHI ELECTRIC CORPORATION |
发明人 |
UEDA, TAKAHARU;TAKAHASHI, SATORU |
分类号 |
B66B5/02;B66B5/00 |
主分类号 |
B66B5/02 |
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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