JPWO2021010251A1 - - Google Patents

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Publication number
JPWO2021010251A1
JPWO2021010251A1 JP2021533000A JP2021533000A JPWO2021010251A1 JP WO2021010251 A1 JPWO2021010251 A1 JP WO2021010251A1 JP 2021533000 A JP2021533000 A JP 2021533000A JP 2021533000 A JP2021533000 A JP 2021533000A JP WO2021010251 A1 JPWO2021010251 A1 JP WO2021010251A1
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JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
JP2021533000A
Other versions
JP7235115B2 (ja
JPWO2021010251A5 (ja
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Publication of JPWO2021010251A5 publication Critical patent/JPWO2021010251A5/ja
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP2021533000A 2019-07-17 2020-07-08 光ファイバセンシングシステム、光ファイバセンシング機器、及び異常判断方法 Active JP7235115B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019132271 2019-07-17
JP2019132271 2019-07-17
PCT/JP2020/026687 WO2021010251A1 (ja) 2019-07-17 2020-07-08 光ファイバセンシングシステム、光ファイバセンシング機器、及び異常判断方法

Publications (3)

Publication Number Publication Date
JPWO2021010251A1 true JPWO2021010251A1 (ja) 2021-01-21
JPWO2021010251A5 JPWO2021010251A5 (ja) 2022-03-02
JP7235115B2 JP7235115B2 (ja) 2023-03-08

Family

ID=74210729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021533000A Active JP7235115B2 (ja) 2019-07-17 2020-07-08 光ファイバセンシングシステム、光ファイバセンシング機器、及び異常判断方法

Country Status (5)

Country Link
US (1) US20220276089A1 (ja)
EP (1) EP4001862A4 (ja)
JP (1) JP7235115B2 (ja)
CN (1) CN114127518A (ja)
WO (1) WO2021010251A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114268365A (zh) * 2021-12-02 2022-04-01 国网甘肃省电力公司酒泉供电公司 一种基于可视化技术的通信光缆智能预警方法及系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240125642A1 (en) * 2021-03-04 2024-04-18 Nec Corporation Engineering work detection device, engineering work detection system, and engineering work detection method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011203116A (ja) * 2010-03-25 2011-10-13 Toyota Motor Corp 車両用異常予測装置及び方法
JP2017142153A (ja) * 2016-02-10 2017-08-17 セイコーエプソン株式会社 寿命予測方法、寿命予測装置、および寿命予測システム
WO2019022084A1 (ja) * 2017-07-28 2019-01-31 長野計器株式会社 下水道モニタリングシステム及びその施工方法

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
JP3127934B2 (ja) * 1991-12-27 2001-01-29 住友電気工業株式会社 電力ケーブルの外傷予知方法
JP2001059719A (ja) * 1999-08-24 2001-03-06 Tokyo Gas Co Ltd 地中構造物損傷予防のための検知装置
JP2001311749A (ja) * 2000-04-28 2001-11-09 Toshiba Corp 異常信号監視装置
CN100337094C (zh) * 2004-07-20 2007-09-12 重庆大学 用于长途管线安全监测的光纤干涉型自动监测方法及系统
CN103345808B (zh) * 2013-06-26 2015-09-09 武汉理工光科股份有限公司 光纤光栅周界入侵模式识别方法及系统
GB201502025D0 (en) * 2015-02-06 2015-03-25 Optasence Holdings Ltd Optical fibre sensing
GB2539254A (en) * 2015-06-12 2016-12-14 Pimon Gmbh Method and apparatus for monitoring pipeline
CN105841793A (zh) * 2016-04-15 2016-08-10 深圳艾瑞斯通技术有限公司 一种光纤振源识别方法、装置及系统
CN106500821A (zh) * 2016-09-30 2017-03-15 上海复旦智能监控成套设备有限公司 一种分布式光纤燃气管道安全监控方法及系统
CN206988826U (zh) * 2017-05-05 2018-02-09 南京朗坤自动化有限公司 地下综合管廊管网振动监测预警系统
CN107862821A (zh) * 2017-12-12 2018-03-30 上海师范大学 一种周界安防系统
JP6637583B2 (ja) 2018-12-21 2020-01-29 アイリスオーヤマ株式会社 送風機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011203116A (ja) * 2010-03-25 2011-10-13 Toyota Motor Corp 車両用異常予測装置及び方法
JP2017142153A (ja) * 2016-02-10 2017-08-17 セイコーエプソン株式会社 寿命予測方法、寿命予測装置、および寿命予測システム
WO2019022084A1 (ja) * 2017-07-28 2019-01-31 長野計器株式会社 下水道モニタリングシステム及びその施工方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114268365A (zh) * 2021-12-02 2022-04-01 国网甘肃省电力公司酒泉供电公司 一种基于可视化技术的通信光缆智能预警方法及系统

Also Published As

Publication number Publication date
EP4001862A4 (en) 2022-08-17
CN114127518A (zh) 2022-03-01
US20220276089A1 (en) 2022-09-01
JP7235115B2 (ja) 2023-03-08
EP4001862A1 (en) 2022-05-25
WO2021010251A1 (ja) 2021-01-21

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