CN116917703A - 电线杆位置确定方法和架空光缆的状态推定方法 - Google Patents

电线杆位置确定方法和架空光缆的状态推定方法 Download PDF

Info

Publication number
CN116917703A
CN116917703A CN202180093496.XA CN202180093496A CN116917703A CN 116917703 A CN116917703 A CN 116917703A CN 202180093496 A CN202180093496 A CN 202180093496A CN 116917703 A CN116917703 A CN 116917703A
Authority
CN
China
Prior art keywords
vibration
optical fiber
vibration distribution
optical
optical cable
Prior art date
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.)
Pending
Application number
CN202180093496.XA
Other languages
English (en)
Chinese (zh)
Inventor
冈本达也
饭田大辅
古敷谷优介
本田奈月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of CN116917703A publication Critical patent/CN116917703A/zh
Pending legal-status Critical Current

Links

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
    • 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
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
    • G01D5/35354—Sensor working in reflection
    • G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/48—Overhead installation
    • G02B6/483—Installation of aerial type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Locating Faults (AREA)
CN202180093496.XA 2021-02-17 2021-02-17 电线杆位置确定方法和架空光缆的状态推定方法 Pending CN116917703A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/005852 WO2022176047A1 (ja) 2021-02-17 2021-02-17 電柱位置特定方法及び架空光ファイバケーブルの状態推定方法

Publications (1)

Publication Number Publication Date
CN116917703A true CN116917703A (zh) 2023-10-20

Family

ID=82930306

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180093496.XA Pending CN116917703A (zh) 2021-02-17 2021-02-17 电线杆位置确定方法和架空光缆的状态推定方法

Country Status (5)

Country Link
US (1) US12553769B2 (https=)
EP (1) EP4296633A4 (https=)
JP (1) JP7491458B2 (https=)
CN (1) CN116917703A (https=)
WO (1) WO2022176047A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11881688B2 (en) * 2021-04-12 2024-01-23 Nec Corporation Dynamic anomaly localization of utility pole wires
WO2024057492A1 (ja) * 2022-09-15 2024-03-21 日本電信電話株式会社 振動分布波形から電柱位置を特定する方法
WO2024166295A1 (ja) * 2023-02-09 2024-08-15 日本電信電話株式会社 設備位置解析装置及び設備位置解析方法
WO2025238718A1 (ja) * 2024-05-14 2025-11-20 Ｎｔｔ株式会社 信号処理装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2956842C (en) * 2016-02-04 2025-09-16 Ampacimon S.A. METHOD AND SYSTEM FOR MEASURING/DETECTING ATMOSPHERIC ACCRETION OF ICE OR SNOW ON OVERHEAD ELECTRICITY TRANSMISSION LINES
CN107727227B (zh) 2017-09-30 2019-05-21 南京大学 基于φ-otdr的高压输电线路覆冰舞动监测方法
WO2019126020A1 (en) * 2017-12-18 2019-06-27 The Curators Of The University Of Missouri Real-time overhead power line sag monitoring
DE102018105703A1 (de) 2018-03-13 2019-09-19 Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum - GFZ Stiftung des Öffentlichen Rechts des Landes Brandenburg Verfahren und System zur Überwachung eines Materials und/oder einer Vorrichtung in einem Bohrloch unter Verwendung eines faseroptischen Messkabels
WO2020044648A1 (ja) * 2018-08-30 2020-03-05 日本電気株式会社 電柱位置特定システム、電柱位置特定装置、電柱位置特定方法、及び非一時的なコンピュータ可読媒体
CN112601937A (zh) * 2018-08-30 2021-04-02 日本电气株式会社 状态指定系统、状态指定装置、状态指定方法以及非暂时性计算机可读介质
JPWO2020044655A1 (ja) * 2018-08-30 2021-09-24 日本電気株式会社 電柱劣化検出システム、電柱劣化検出装置、電柱劣化検出方法、及びプログラム
CN109297662B (zh) * 2018-10-11 2024-04-12 三峡大学 一种架空电缆振动试验装置及试验方法
JP7211134B2 (ja) * 2019-02-12 2023-01-24 日本電信電話株式会社 架空光ファイバケーブル検査方法、架空光ファイバケーブル検査装置及びプログラム
US11428570B2 (en) * 2019-04-05 2022-08-30 Nec Corporation Aerial fiber optic cable localization by distributed acoustic sensing
US11566937B2 (en) 2019-05-22 2023-01-31 Nec Corporation Rayleigh fading mitigation via short pulse coherent distributed acoustic sensing with multi-location beating-term combination
CN211234916U (zh) * 2019-12-17 2020-08-11 国网新疆电力有限公司昌吉供电公司 一种基于das与otdr的光缆状态监测系统
CN111238627B (zh) * 2020-01-20 2022-03-15 南京法艾博光电科技有限公司 一种架空输电线路中耐张塔的地理信息标定方法
US20230024381A1 (en) * 2020-01-22 2023-01-26 Nec Corporation Utility pole degradation detection system, utility pole degradation detection method, and utility pole degradation detection device
CN111442788B (zh) * 2020-04-03 2022-03-08 南京晓庄学院 一种架空输电线路健康监测方法及系统
US20210318166A1 (en) * 2020-04-14 2021-10-14 Nec Laboratories America, Inc. Continuous aerial cable monitoring using distributed acoustic sensing (das) and operational modal analysis (oma)
US12467822B2 (en) * 2020-08-31 2025-11-11 Nec Corporation Utility pole deterioration discrimination device and method
WO2022113164A1 (ja) * 2020-11-24 2022-06-02 日本電気株式会社 光ファイバセンシングシステム、光ファイバセンシング方法、及び光ファイバセンシング装置
JP7444289B2 (ja) * 2020-11-27 2024-03-06 日本電気株式会社 位置特定システム、振動発生器、及び位置特定方法
JP7491464B2 (ja) * 2021-03-29 2024-05-28 日本電気株式会社 空間センシング装置、空間センシングシステム及び空間センシング方法

Also Published As

Publication number Publication date
US20240118126A1 (en) 2024-04-11
US12553769B2 (en) 2026-02-17
EP4296633A1 (en) 2023-12-27
WO2022176047A1 (ja) 2022-08-25
EP4296633A4 (en) 2025-01-01
JPWO2022176047A1 (https=) 2022-08-25
JP7491458B2 (ja) 2024-05-28

Similar Documents

Publication Publication Date Title
CN116917703A (zh) 电线杆位置确定方法和架空光缆的状态推定方法
CN102292621B (zh) 分布式光纤感测中的改进
RU2518978C2 (ru) Волоконно-оптическое акустическое измерение
JP6774451B2 (ja) 光ファイバケーブル監視方法および光ファイバケーブル監視システム
RU2639602C2 (ru) Мониторинг инфраструктуры транспортной сети
CN105806465B (zh) 一种基于固定反射点的新型φ-otdr探测装置及其探测方法
CN105509868B (zh) 相位敏感光时域反射光纤分布式传感系统相位计算方法
CN110011728A (zh) 断点检测与振动检测结合的埋地光缆故障点定位系统
CA2567551A1 (en) Fibre optic sensor method and apparatus
KR102197696B1 (ko) 광섬유 기반 하이브리드 신경망 센서를 이용한 시설물 건전도 모니터링 시스템 및 그 방법
Lu et al. A hybrid distributed optical fiber vibration and temperature sensor based on optical Rayleigh and Raman scattering
JP7040391B2 (ja) 後方散乱光増幅装置、光パルス試験装置、後方散乱光増幅方法、及び光パルス試験方法
CN107452177B (zh) 一种通信光缆安全预警系统
Okamoto et al. Deployment condition visualization of aerial optical fiber cable by distributed vibration sensing based on optical frequency domain reflectometry
CN209676237U (zh) 断点检测与振动检测结合的埋地光缆故障点定位系统
JP2012505410A (ja) 検出システム及びそのようなシステムに用いるための光ファイバ
Okamoto et al. Identification of sagging aerial cable section by distributed vibration sensing based on OFDR
JP7622875B2 (ja) 積雪量推定システム及び積雪量推定方法
CN116194740B (zh) 振动分布测量装置及其方法
JP6706192B2 (ja) 空間チャネル間伝搬遅延時間差測定方法及び空間チャネル間伝搬遅延時間差測定装置
Petladwala et al. Statistical study on bridge vibration responses using distributed acoustic sensing
US20220334020A1 (en) Method of detecting a leak in a fluid conduit
JP7230544B2 (ja) 光ファイバルート探索方法、及び光ファイバルート探索装置
RU115583U1 (ru) Устройство дистанционного контроля воздушной линии электропередачи, снабженной оптоволоконным кабелем
RU2478247C1 (ru) Система дистанционного контроля воздушной линии электропередачи, снабженной оптоволоконным кабелем

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Country or region after: Japan

Address after: Tokyo, Japan

Applicant after: Entiti Corp.

Address before: Tokyo, Japan

Applicant before: NIPPON TELEGRAPH AND TELEPHONE Corp.

Country or region before: Japan

CB02 Change of applicant information