发明名称 |
SYSTEM FOR PREVENTING TUNNEL DISASTER |
摘要 |
PROBLEM TO BE SOLVED: To provide a system for preventing a tunnel disaster which can detect a sudden falling object in advance and handle promptly when an abnormality occurres in a tunnel. SOLUTION: A judgment means 41 judges an abnormal sound among the sounds collected from the sound collecting devices 1a-1h which are set in the tunnel 20 and specifies the occurrence position of the abnormal sound from the time difference of the detection of the abnormal sound. The warning generation means 42 transmits an alarm signal and occurrence position data to a train operation system 61 or a tunnel information system 62.
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申请公布号 |
JP2001307290(A) |
申请公布日期 |
2001.11.02 |
申请号 |
JP20000128261 |
申请日期 |
2000.04.27 |
申请人 |
HITACHI ENG CO LTD |
发明人 |
SATO FUMIO;UTAMURA MOTOAKI;MAE HIROYUKI |
分类号 |
E21F17/00;B61L23/00;G01D21/00;G01S5/22;G08B21/00;G08G1/087;(IPC1-7):G08G1/087 |
主分类号 |
E21F17/00 |
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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