CN107631739B - Fiber grating vibration/stress composite sensor - Google Patents
Fiber grating vibration/stress composite sensor Download PDFInfo
- Publication number
- CN107631739B CN107631739B CN201710801884.4A CN201710801884A CN107631739B CN 107631739 B CN107631739 B CN 107631739B CN 201710801884 A CN201710801884 A CN 201710801884A CN 107631739 B CN107631739 B CN 107631739B
- Authority
- CN
- China
- Prior art keywords
- fiber grating
- fiber
- stress
- vibration
- grating
- 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.)
- Active
Links
Images
Landscapes
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710801884.4A CN107631739B (en) | 2017-09-07 | 2017-09-07 | Fiber grating vibration/stress composite sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710801884.4A CN107631739B (en) | 2017-09-07 | 2017-09-07 | Fiber grating vibration/stress composite sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107631739A CN107631739A (en) | 2018-01-26 |
CN107631739B true CN107631739B (en) | 2020-11-10 |
Family
ID=61100400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710801884.4A Active CN107631739B (en) | 2017-09-07 | 2017-09-07 | Fiber grating vibration/stress composite sensor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107631739B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109631964A (en) * | 2019-01-23 | 2019-04-16 | 安徽理工大学 | A kind of single mode optical fiber sensing probe of the two-parameter multiple groups measuring section of no gelatinization |
CN109655033B (en) * | 2019-01-24 | 2020-11-24 | 中国人民解放军海军工程大学 | Real-time monitoring method and system for deformation state of pipe body |
CN111504220A (en) * | 2020-05-01 | 2020-08-07 | 西安交通大学 | Fiber grating temperature/vibration/strain composite sensor and working method thereof |
CN111504219B (en) * | 2020-05-01 | 2021-11-16 | 西安交通大学 | Few-mode fiber bragg grating three-parameter composite sensor and working method thereof |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2575612Y (en) * | 2002-10-31 | 2003-09-24 | 南开大学 | Liquid crystal type liquid level analog display |
WO2005083379A1 (en) * | 2004-02-26 | 2005-09-09 | Sif Universal Private Limited | Multi-arm fiber optic sensor |
CN1257388C (en) * | 2004-03-12 | 2006-05-24 | 吉林大学 | Stress strain sensor based on temp insensitiveness of fiber glass raster |
CN200955961Y (en) * | 2006-08-10 | 2007-10-03 | 浙江大学 | Coherence multiplexing device for optical fiber Bragg grating sensor |
CN100533086C (en) * | 2006-12-07 | 2009-08-26 | 中国科学院半导体研究所 | Optical fiber optical grating pressure sensor and its usage method |
US7336862B1 (en) * | 2007-03-22 | 2008-02-26 | General Electric Company | Fiber optic sensor for detecting multiple parameters in a harsh environment |
US7796844B2 (en) * | 2008-07-22 | 2010-09-14 | The Hong Kong Polytechnic University | Temperature-compensated fibre optic strain gauge |
DE102012002408B4 (en) * | 2012-02-09 | 2015-09-24 | Fachhochschule Düsseldorf | Measuring arrangement and method for detecting the force load in a flexible object |
CN203785779U (en) * | 2013-12-31 | 2014-08-20 | 国家电网公司 | Dual-FBG (Fiber Bragg Grating) vibrating sensor used for liquid medium |
CN104018506B (en) * | 2014-06-06 | 2015-11-25 | 中交上海三航科学研究院有限公司 | Underwater sand compaction pile formation of pile dynamic checkout unit |
-
2017
- 2017-09-07 CN CN201710801884.4A patent/CN107631739B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN107631739A (en) | 2018-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109238355B (en) | Device and method for simultaneously sensing and measuring distributed dynamic and static parameters of optical fiber | |
CN107631739B (en) | Fiber grating vibration/stress composite sensor | |
CN100526819C (en) | Apparatus for measuring libration by optical fibre and measuring method | |
Zhang et al. | Micro-fiber-based FBG sensor for simultaneous measurement of vibration and temperature | |
CN100338449C (en) | Temperature sensor of polarization-preserving fiber in reflection type | |
CN109060107B (en) | High-temperature-resistant double-shaft fiber grating vibration sensor | |
CN101135577A (en) | Automatic tuning F-P optical fiber sensor | |
CN104568019A (en) | Multimode fiber-based method and multimode fiber-based system for simultaneously measuring temperature and strain | |
CN101464138B (en) | Displacement or acceleration sensor | |
CN112834070B (en) | Method for measuring contact gas temperature of optical fiber end face by utilizing microwave photon filter | |
CN110470240A (en) | A kind of optical fiber curvature measurement sensor and preparation method thereof, measuring system | |
CN110987230A (en) | Dual-parameter optical fiber sensing module, system and measuring method | |
CN210981350U (en) | Distributed optical fiber humidity and temperature simultaneous detection device | |
CN114111909A (en) | Fiber Bragg grating temperature and stress dual-parameter integrated sensing and demodulating system based on diffraction grating | |
CN105158508B (en) | A kind of novel optical fiber vibration acceleration sensor simple in structure | |
CA2871670C (en) | A method and device for pressure sensing | |
CN109633810A (en) | A kind of photonic crystal fiber and optical fibre vibration sensor for vibration measurement | |
CN110887527B (en) | Device and method for simultaneously detecting humidity and temperature of distributed optical fibers | |
CN101526376A (en) | Polarization fiber sensor | |
El-Gammal et al. | Strain sensing in underwater acoustics with a hybrid π-shifted FBG and different interrogation methods | |
CN201083500Y (en) | Automatic tuning F-P optical fiber sensor | |
CN108278976A (en) | A kind of optical fiber sensor temperature compensation method | |
CN110646083B (en) | Optical fiber vibration sensing probe, installation method thereof and optical fiber vibration sensor | |
CN207439428U (en) | Realize the demodulating equipment of fiber F-P and FBG sensor | |
Gholampour et al. | Fiber Bragg grating security fence with temperature compensation based on a tilted cantilever beam |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Lin Qijing Inventor after: Yao Kun Inventor after: Jiang Zhuangde Inventor after: Zhao Na Inventor after: Tian Bian Inventor after: Wu Zirong Inventor after: Shi Peng Inventor after: Peng Gangding Inventor after: Sun Lin Inventor before: Lin Qijing Inventor before: Yao Kun Inventor before: Jiang Zhuangde Inventor before: Zhao Na Inventor before: Tian Bian Inventor before: Wu Zirong Inventor before: Shi Peng Inventor before: Peng Gangding |
|
CB03 | Change of inventor or designer information |