ZA202101598B - Optical fiber sensor monitoring system for rock fracture - Google Patents

Optical fiber sensor monitoring system for rock fracture

Info

Publication number
ZA202101598B
ZA202101598B ZA2021/01598A ZA202101598A ZA202101598B ZA 202101598 B ZA202101598 B ZA 202101598B ZA 2021/01598 A ZA2021/01598 A ZA 2021/01598A ZA 202101598 A ZA202101598 A ZA 202101598A ZA 202101598 B ZA202101598 B ZA 202101598B
Authority
ZA
South Africa
Prior art keywords
optical fiber
monitoring system
fiber sensor
sensor monitoring
rock fracture
Prior art date
Application number
ZA2021/01598A
Inventor
Qi Liu
Shaojie Chen
Jing Chai
Original Assignee
Univ Shandong Science & Tech
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 Shandong Science & Tech filed Critical Univ Shandong Science & Tech
Publication of ZA202101598B publication Critical patent/ZA202101598B/en

Links

ZA2021/01598A 2019-04-12 2021-03-09 Optical fiber sensor monitoring system for rock fracture ZA202101598B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910294026.4A CN110018329B (en) 2019-04-12 2019-04-12 Conical optical fiber acceleration sensor system
PCT/CN2019/091701 WO2020206836A1 (en) 2019-04-12 2019-06-18 Conical optical fiber acceleration sensor system

Publications (1)

Publication Number Publication Date
ZA202101598B true ZA202101598B (en) 2021-10-27

Family

ID=67191166

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2021/01598A ZA202101598B (en) 2019-04-12 2021-03-09 Optical fiber sensor monitoring system for rock fracture

Country Status (4)

Country Link
CN (1) CN110018329B (en)
NL (1) NL2023992B1 (en)
WO (1) WO2020206836A1 (en)
ZA (1) ZA202101598B (en)

Family Cites Families (20)

* Cited by examiner, † Cited by third party
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SU1130805A1 (en) * 1982-12-06 1984-12-23 МВТУ им.Н.Э.Баумана Linear acceleration pickup
US4799752A (en) * 1987-09-21 1989-01-24 Litton Systems, Inc. Fiber optic gradient hydrophone and method of using same
US5420688A (en) * 1992-12-14 1995-05-30 Farah; John Interferometric fiber optic displacement sensor
CN2599600Y (en) * 2003-01-28 2004-01-14 天津大学 Paravariable column body all optical fibre two optical path acceleration seismic detector
US7137299B2 (en) * 2005-04-21 2006-11-21 Northrop Grumman Corporation Fiber optic accelerometer
CN1987486B (en) * 2006-12-26 2010-05-19 清华大学 Integrated optic grating interference micro mechanical acceleration sensor and its producing method
US8166825B2 (en) * 2007-10-30 2012-05-01 Tea Time Partners, L.P. Method and apparatus for noise reduction in ultrasound detection
CN201247049Y (en) * 2008-09-10 2009-05-27 山东大学 Measuring apparatus for testing dynamic strain, vibration and acceleration
CN101639485A (en) * 2009-08-27 2010-02-03 深圳大学 Optical fiber acceleration transducer
CN101788569B (en) * 2009-12-31 2012-05-23 中国科学院声学研究所 Optical fiber acceleration transducer probe and acceleration transducer system
CN101937008A (en) * 2010-07-23 2011-01-05 燕山大学 Bar-beam structure six-axis accelerometer
CN102162757B (en) * 2010-12-02 2012-05-30 山东科技大学 Fiber grating soil pressure sensor
CN102495235A (en) * 2011-11-14 2012-06-13 武汉理工大学 Fiber bragg grating sensor for 3D acceleration measurement
CN102411065A (en) * 2011-12-09 2012-04-11 安徽大学 Laser self-mixing acceleration sensor
JP2014032054A (en) * 2012-08-02 2014-02-20 Kagawa Univ Acceleration sensor
CN106053882A (en) * 2016-08-15 2016-10-26 南京理工大学 Double-end solid strut beam type fiber acceleration sensor
CN108205070B (en) * 2016-12-19 2020-01-07 中国石油天然气股份有限公司 Optical fiber acceleration sensor
CN108344880B (en) * 2018-02-13 2019-09-13 北京大学 A kind of long Michelson fibre optic accelerometer of unequal arm and its method for sensing
CN108931262A (en) * 2018-06-01 2018-12-04 北京华工信息技术有限公司 It is a kind of for monitoring the optical fiber sensing system of structural safety
CN109030865A (en) * 2018-10-09 2018-12-18 贵阳学院 A kind of dumbbell slide block type optical fiber acceleration transducer and its application method

Also Published As

Publication number Publication date
NL2023992B1 (en) 2020-08-28
CN110018329B (en) 2020-10-16
WO2020206836A1 (en) 2020-10-15
CN110018329A (en) 2019-07-16

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