SG11201710520VA - Hydraulic structure seepage property distributed optical fiber sensing integrated system and method - Google Patents

Hydraulic structure seepage property distributed optical fiber sensing integrated system and method

Info

Publication number
SG11201710520VA
SG11201710520VA SG11201710520VA SG11201710520VA SG11201710520VA SG 11201710520V A SG11201710520V A SG 11201710520VA SG 11201710520V A SG11201710520V A SG 11201710520VA SG 11201710520V A SG11201710520V A SG 11201710520VA SG 11201710520V A SG11201710520V A SG 11201710520VA
Authority
SG
Singapore
Prior art keywords
optical fiber
integrated system
fiber sensing
distributed optical
hydraulic structure
Prior art date
Application number
SG11201710520VA
Inventor
Huaizhi Su
Meng Yang
Chongshi Gu
Original Assignee
Univ Hohai
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 Univ Hohai filed Critical Univ Hohai
Publication of SG11201710520VA publication Critical patent/SG11201710520VA/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/38—Investigating fluid-tightness of structures by using light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • G01M3/047—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means with photo-electrical detection means, e.g. using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Optical Transform (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
SG11201710520VA 2015-06-19 2015-10-30 Hydraulic structure seepage property distributed optical fiber sensing integrated system and method SG11201710520VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510345172.7A CN105181362B (en) 2015-06-19 2015-06-19 Hydraulic structure observed seepage behavior distribution type fiber-optic perception integrated system and method
PCT/CN2015/093368 WO2016201857A1 (en) 2015-06-19 2015-10-30 Integrated system for distributed optical fiber sensing of hydraulic structure seepage, and method therefor

Publications (1)

Publication Number Publication Date
SG11201710520VA true SG11201710520VA (en) 2018-01-30

Family

ID=54903603

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201710520VA SG11201710520VA (en) 2015-06-19 2015-10-30 Hydraulic structure seepage property distributed optical fiber sensing integrated system and method

Country Status (7)

Country Link
US (1) US10571359B2 (en)
JP (1) JP6517373B2 (en)
CN (1) CN105181362B (en)
AU (1) AU2015398793B2 (en)
GB (1) GB2553254B (en)
SG (1) SG11201710520VA (en)
WO (1) WO2016201857A1 (en)

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CN104977233B (en) * 2015-06-19 2016-01-27 河海大学 Hydraulic structures and basic seepage flow situation distribution type fiber-optic identification system thereof and method
CN105738140B (en) * 2016-02-17 2018-01-19 河海大学 Paddle works and its basic observed seepage behavior optical fiber Adaptive Identification system and method
CN105716686B (en) * 2016-02-19 2017-11-24 河海大学 Dykes and dams saturation distribution type fiber-optic sensory perceptual system and operation method under complex environment
CN105738147B (en) * 2016-05-05 2018-03-20 河海大学 A kind of Hydraulic Projects observed seepage behavior merges sensory perceptual system
CN105738652B (en) * 2016-05-05 2017-11-03 河海大学 A kind of instant tracing system of Hydraulic Projects seepage velocity distribution type fiber-optic and method
CN105911638B (en) * 2016-05-10 2018-10-23 河海大学 Enhanced sensitivity device and application method are oozed in a kind of survey of sensor fibre
CN105954171B (en) * 2016-05-10 2018-08-21 河海大学 A kind of dam seepage character space-time monitoring device and monitoring method
CN105738268B (en) * 2016-05-10 2017-06-16 河海大学 Hydraulic Projects observed seepage behavior Integrated Monitoring System and monitoring method under complex environment
CN105973533B (en) * 2016-07-12 2018-04-20 中国水利水电科学研究院 Leakage continuous monitoring experimental provision and method under special formation environmental condition
US10527587B2 (en) * 2017-12-05 2020-01-07 Hohai University Distributed sensing fiber acoustic emission apparatus and method for monitoring hydraulic engineering safety behavior
CN108871607B (en) * 2018-08-13 2020-01-03 太原理工大学 High-precision temperature demodulation method for distributed optical fiber Raman sensor
CN112729144B (en) * 2020-12-18 2022-08-19 南京大学 Distributed optical fiber sensing-based multi-path photoelectric composite cable distinguishing method
CN113865743B (en) * 2021-10-13 2023-01-31 广东感芯激光科技有限公司 Optical fiber distributed battery multipoint temperature measurement system and application
CN114018484A (en) * 2021-10-27 2022-02-08 上海建工二建集团有限公司 Device and method for monitoring leakage condition of ground wall enclosure in excavation process
CN114993958B (en) * 2022-05-05 2024-07-30 武汉大学 River sand content plumb line distribution measuring device
CN115199859B (en) * 2022-07-14 2024-02-06 重庆大学 Rapid diagnosis method for leakage of long-distance underground pipeline
CN115950464B (en) * 2023-01-05 2023-08-18 水利部交通运输部国家能源局南京水利科学研究院 Wall-attached wading structure sensing optical fiber area sensing device and sensing method
CN118300673B (en) * 2024-06-06 2024-08-06 国网浙江省电力有限公司双创中心 Optical fiber monitoring method, device, equipment, storage medium and product

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Also Published As

Publication number Publication date
US10571359B2 (en) 2020-02-25
CN105181362B (en) 2016-04-13
GB2553254A (en) 2018-02-28
JP6517373B2 (en) 2019-05-22
AU2015398793A1 (en) 2018-01-18
GB2553254B (en) 2018-10-03
CN105181362A (en) 2015-12-23
US20180180510A1 (en) 2018-06-28
AU2015398793B2 (en) 2019-07-18
JP2018524579A (en) 2018-08-30
WO2016201857A1 (en) 2016-12-22
GB201720707D0 (en) 2018-01-24

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