CN102865914B - 分布式光纤振动传感器 - Google Patents
分布式光纤振动传感器 Download PDFInfo
- Publication number
- CN102865914B CN102865914B CN 201210349310 CN201210349310A CN102865914B CN 102865914 B CN102865914 B CN 102865914B CN 201210349310 CN201210349310 CN 201210349310 CN 201210349310 A CN201210349310 A CN 201210349310A CN 102865914 B CN102865914 B CN 102865914B
- Authority
- CN
- China
- Prior art keywords
- light
- coupler
- optical fiber
- photoelectric detector
- pass filter
- 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
- 239000000835 fiber Substances 0.000 title claims abstract description 40
- 239000013307 optical fiber Substances 0.000 claims description 63
- 230000003287 optical effect Effects 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 22
- 230000035559 beat frequency Effects 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011326 mechanical measurement Methods 0.000 description 1
- 238000000253 optical time-domain reflectometry Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201210349310 CN102865914B (zh) | 2012-09-19 | 2012-09-19 | 分布式光纤振动传感器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201210349310 CN102865914B (zh) | 2012-09-19 | 2012-09-19 | 分布式光纤振动传感器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102865914A CN102865914A (zh) | 2013-01-09 |
CN102865914B true CN102865914B (zh) | 2013-12-18 |
Family
ID=47444928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201210349310 Active CN102865914B (zh) | 2012-09-19 | 2012-09-19 | 分布式光纤振动传感器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102865914B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104456086B (zh) * | 2013-09-13 | 2017-06-13 | 中国石油天然气集团公司 | 管道安全预警系统和方法 |
CN103954348B (zh) * | 2014-05-12 | 2016-04-13 | 重庆大学 | 基于差分脉冲序列的分布式光纤振动传感系统 |
CN104457960B (zh) * | 2014-12-11 | 2017-05-24 | 中国科学院半导体研究所 | 一种基于相干接收技术的分布式光纤传感系统 |
CN104568120B (zh) * | 2015-01-14 | 2017-11-28 | 天津大学 | 一种复合原理光纤传感系统和传感方法 |
CN105222881B (zh) * | 2015-09-08 | 2018-09-11 | 北京航空航天大学 | 一种基于外差法的多通道光纤环声发射探测系统 |
CN106323448B (zh) * | 2016-11-23 | 2019-12-03 | 重庆大学 | 基于随机采样的高频振动分布式光纤传感系统 |
CN106932083B (zh) * | 2017-03-19 | 2020-09-04 | 国网福建省电力有限公司 | 一种基于强磁场背景的光纤无线振动传感器装置 |
CN107907151B (zh) * | 2017-12-15 | 2020-08-07 | 中国人民解放军国防科技大学 | 基于光频调制与直接探测的фotdr与传感方法 |
JP7077887B2 (ja) * | 2018-09-13 | 2022-05-31 | 沖電気工業株式会社 | 振動検知光ファイバセンサ及び振動検知方法 |
CN109724685B (zh) * | 2018-12-10 | 2021-01-19 | 武汉理工大学 | 基于Fizeau干涉的光纤光栅水声传感阵列解调方法及系统 |
JP7238507B2 (ja) * | 2019-03-18 | 2023-03-14 | 沖電気工業株式会社 | 振動検知光ファイバセンサ及び振動検知方法 |
CN110207805B (zh) * | 2019-06-24 | 2023-04-14 | 山东大学 | 一种分布式探测振动位置和声音信号的装置及其应用 |
CN114370926B (zh) * | 2021-12-27 | 2023-08-22 | 华北电力大学 | 一种光纤分布式电力变压器振动传感系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1973178A (zh) * | 2004-06-25 | 2007-05-30 | 光纳株式会社 | 分布式光纤传感器 |
CN101287965A (zh) * | 2005-08-23 | 2008-10-15 | 秦内蒂克有限公司 | 调相光导纤维传感器系统信号的解调 |
CN101551266A (zh) * | 2009-05-11 | 2009-10-07 | 北京华竣军安信息科技有限公司 | 一种复合干涉型分布式光纤振动传感系统及其传感方法 |
WO2009148824A1 (en) * | 2008-06-06 | 2009-12-10 | Schlumberger Canada Limited | Distributed vibration sensing system using multimode fiber |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005241431A (ja) * | 2004-02-26 | 2005-09-08 | Tokyo Gas Co Ltd | 光ファイバ干渉型センサ |
-
2012
- 2012-09-19 CN CN 201210349310 patent/CN102865914B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1973178A (zh) * | 2004-06-25 | 2007-05-30 | 光纳株式会社 | 分布式光纤传感器 |
CN101287965A (zh) * | 2005-08-23 | 2008-10-15 | 秦内蒂克有限公司 | 调相光导纤维传感器系统信号的解调 |
WO2009148824A1 (en) * | 2008-06-06 | 2009-12-10 | Schlumberger Canada Limited | Distributed vibration sensing system using multimode fiber |
CN101551266A (zh) * | 2009-05-11 | 2009-10-07 | 北京华竣军安信息科技有限公司 | 一种复合干涉型分布式光纤振动传感系统及其传感方法 |
Non-Patent Citations (3)
Title |
---|
JP特开2005-241431A 2005.09.08 |
分布式光纤振动传感技术及发展动态;朱燕等;《激光与红外》;20111031;第41卷(第10期);1072-1075 * |
朱燕等.分布式光纤振动传感技术及发展动态.《激光与红外》.2011,第41卷(第10期),1072-1075. |
Also Published As
Publication number | Publication date |
---|---|
CN102865914A (zh) | 2013-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102865914B (zh) | 分布式光纤振动传感器 | |
Fang et al. | Phase-sensitive optical time domain reflectometer based on phase-generated carrier algorithm | |
CN108303197B (zh) | 基于后向散射增强光纤分布式温度和应变双参量传感装置及其解调方法 | |
Masoudi et al. | A distributed optical fibre dynamic strain sensor based on phase-OTDR | |
Xiong et al. | Single-shot COTDR using sub-chirped-pulse extraction algorithm for distributed strain sensing | |
CN110132329B (zh) | 应力、温度和振动复合检测光纤传感器及信号处理方法 | |
Sun et al. | Distributed fiber-optic vibration sensor using a ring Mach-Zehnder interferometer | |
CN105067104B (zh) | 一种复合型光纤传感系统和传感方法 | |
WO2018076551A1 (zh) | 能够实现全相位解调的分布式光纤传感系统及其测量方法 | |
Hartog et al. | The optics of distributed vibration sensing | |
CN113447110B (zh) | 一种分布式光纤振动传感系统及其相位载波解调方法 | |
CN102384799B (zh) | 基于布里渊分布式光纤传感系统相干检测方案的扫频及数据处理方法 | |
CN107036734B (zh) | 一种全分布式光纤温度或应变的传感方法与传感器 | |
CN105890797B (zh) | 温度和应力同时探测的高光谱瑞利-布里渊光时域反射计 | |
CN110864797A (zh) | 异构双边带啁啾脉冲的差分cotdr分布式声传感装置及方法 | |
CN106338308A (zh) | 一种基于超短光纤光栅阵列的分布式多参数传感系统 | |
CN109163829B (zh) | 基于布里渊和瑞利双机制的高性能动态分布式光纤传感器 | |
CN108415067B (zh) | 一种基于微结构光纤分布式声波传感的地震波测量系统 | |
CN102645268A (zh) | 光频分复用相位敏感光时域反射计 | |
CN102589748B (zh) | 基于光纤瑞利与布里渊原理的环境温度测量方法 | |
CN114543973B (zh) | 一种分布式超高频振动信号测量方法及光纤传感器 | |
CN103900623A (zh) | 基于双声光调制器的光时域反射仪及其共模抑制方法 | |
Sun et al. | Wideband fully-distributed vibration sensing by using UWFBG based coherent OTDR | |
Li et al. | Distributed weak fiber Bragg grating vibration sensing system based on 3× 3 fiber coupler | |
CN111829584A (zh) | 海洋温度及压力的连续空间同步监测装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHONGQING UNIVERSITY Free format text: FORMER OWNER: ZHU TAO Effective date: 20140124 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140124 Address after: 400044 Shapingba District Sha Street, No. 174, Chongqing Patentee after: Chongqing University Address before: 400044 68 cypress forest village, Shapingba District, Chongqing, attached No. 1, 14-2 Patentee before: Zhu Tao |
|
TR01 | Transfer of patent right |
Effective date of registration: 20221208 Address after: No. 99, Xinfeng Avenue, Jiulongpo District, Chongqing Patentee after: Chongqing Major Intellectual Property Operations Co.,Ltd. Patentee after: Zhu Tao Address before: 14-2, No. 68-1, Cypress Forest, Shapingba District, Chongqing 400044 Patentee before: Zhu Tao Effective date of registration: 20221208 Address after: 610100 No.1, Floor 4, Building 56, No. 888, Section 2, Chenglong Avenue, Damian Street, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan Patentee after: Chengdu Taco Optoelectronic Technology Co.,Ltd. Address before: No. 99, Xinfeng Avenue, Jiulongpo District, Chongqing Patentee before: Chongqing Major Intellectual Property Operations Co.,Ltd. Patentee before: Zhu Tao Effective date of registration: 20221208 Address after: 14-2, No. 68-1, Cypress Forest, Shapingba District, Chongqing 400044 Patentee after: Zhu Tao Address before: 400044 No. 174 Sha Jie street, Shapingba District, Chongqing Patentee before: Chongqing University |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231127 Address after: No. 888, Section 2, Chenglong Avenue, Damian Street, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan Province, 610101, Building 56, 4th Floor, No.1 Patentee after: Chengdu Taco Optoelectronic Technology Co.,Ltd. Patentee after: Chongqing Take Zhigan Technology Co.,Ltd. Address before: 610100 No.1, Floor 4, Building 56, No. 888, Section 2, Chenglong Avenue, Damian Street, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan Patentee before: Chengdu Taco Optoelectronic Technology Co.,Ltd. |
|
TR01 | Transfer of patent right |