Title:
DEGRADATION DISCRIMINATION SYSTEM, DEGRADATION DISCRIMINATION DEVICE, AND DEGRADATION DISCRIMINATION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/044319
Kind Code:
A1
Abstract:
The degradation discrimination system according to the present disclosure comprises: an optical fiber cable (20) laid on power poles (10); a communication unit (31) for receiving an optical signal from an optical fiber (21) included in the optical fiber cable (20); a detection unit (32) for detecting, on the basis of the optical signal received by the communication unit (31), vibration generated in the power poles (10); and a discrimination unit (41) for discriminating the degradation of the power poles (10) on the basis of the frequency of vibration generated in a specific period and included in the vibration detected by the detection unit (32).
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Inventors:
IWANO TADAYUKI (JP)
OGURA NAOTO (JP)
KOSHIO HIROAKI (JP)
TAKEDA HIDEAKI (JP)
EBIHARA MOTOHITO (JP)
OGURA NAOTO (JP)
KOSHIO HIROAKI (JP)
TAKEDA HIDEAKI (JP)
EBIHARA MOTOHITO (JP)
Application Number:
PCT/JP2020/032866
Publication Date:
March 03, 2022
Filing Date:
August 31, 2020
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H02G7/00; H02G1/02
Domestic Patent References:
| WO2020044655A1 | 2020-03-05 | |||
| WO2020044660A1 | 2020-03-05 |
Foreign References:
| JP2001066117A | 2001-03-16 | |||
| JP2008067467A | 2008-03-21 |
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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