CN110261895A - 一种高灵敏宽频响的全光纤微震监测*** - Google Patents
一种高灵敏宽频响的全光纤微震监测*** Download PDFInfo
- Publication number
- CN110261895A CN110261895A CN201910612905.7A CN201910612905A CN110261895A CN 110261895 A CN110261895 A CN 110261895A CN 201910612905 A CN201910612905 A CN 201910612905A CN 110261895 A CN110261895 A CN 110261895A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- arm
- sensing
- reference arm
- fiber
- 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.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 239000000835 fiber Substances 0.000 title claims abstract description 26
- 239000013307 optical fiber Substances 0.000 claims abstract description 62
- 239000000523 sample Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 230000035945 sensitivity Effects 0.000 claims description 20
- 238000004806 packaging method and process Methods 0.000 claims description 15
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 239000004945 silicone rubber Substances 0.000 claims 2
- 229940008099 dimethicone Drugs 0.000 claims 1
- 239000004205 dimethyl polysiloxane Substances 0.000 claims 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 3
- 230000001133 acceleration Effects 0.000 description 9
- 239000003245 coal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- AMTWCFIAVKBGOD-UHFFFAOYSA-N dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane Chemical compound O=[Si]=O.CO[Si](C)(C)O[Si](C)(C)C AMTWCFIAVKBGOD-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229940083037 simethicone Drugs 0.000 description 1
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
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Description
Claims (3)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910612905.7A CN110261895B (zh) | 2019-07-09 | 2019-07-09 | 一种高灵敏宽频响的全光纤微震监测*** |
PCT/CN2020/100405 WO2021004423A1 (zh) | 2019-07-09 | 2020-07-06 | 一种高灵敏宽频响的全光纤微震监测*** |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910612905.7A CN110261895B (zh) | 2019-07-09 | 2019-07-09 | 一种高灵敏宽频响的全光纤微震监测*** |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110261895A true CN110261895A (zh) | 2019-09-20 |
CN110261895B CN110261895B (zh) | 2022-01-14 |
Family
ID=67925018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910612905.7A Active CN110261895B (zh) | 2019-07-09 | 2019-07-09 | 一种高灵敏宽频响的全光纤微震监测*** |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN110261895B (zh) |
WO (1) | WO2021004423A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021004423A1 (zh) * | 2019-07-09 | 2021-01-14 | 安徽大学 | 一种高灵敏宽频响的全光纤微震监测*** |
CN112379414A (zh) * | 2020-10-29 | 2021-02-19 | 安徽大学 | 共振抑制的光纤加速度传感探头及光纤微震监测传感器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2599600Y (zh) * | 2003-01-28 | 2004-01-14 | 天津大学 | 顺变柱体全光纤双光路加速度地震检波器 |
US7466631B1 (en) * | 2006-10-19 | 2008-12-16 | The United States Of America As Represented By The Secretary Of The Navy | Enhanced sensitivity pressure tolerant fiber optic hydrophone |
CN102374895A (zh) * | 2011-09-26 | 2012-03-14 | 中国人民解放军国防科技大学 | 一种大动态光纤振动传感器 |
CN206523645U (zh) * | 2017-02-17 | 2017-09-26 | 珠海任驰光电科技有限公司 | 一种带有横向限振结构的光纤检波器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110261895B (zh) * | 2019-07-09 | 2022-01-14 | 安徽大学 | 一种高灵敏宽频响的全光纤微震监测*** |
-
2019
- 2019-07-09 CN CN201910612905.7A patent/CN110261895B/zh active Active
-
2020
- 2020-07-06 WO PCT/CN2020/100405 patent/WO2021004423A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2599600Y (zh) * | 2003-01-28 | 2004-01-14 | 天津大学 | 顺变柱体全光纤双光路加速度地震检波器 |
US7466631B1 (en) * | 2006-10-19 | 2008-12-16 | The United States Of America As Represented By The Secretary Of The Navy | Enhanced sensitivity pressure tolerant fiber optic hydrophone |
CN102374895A (zh) * | 2011-09-26 | 2012-03-14 | 中国人民解放军国防科技大学 | 一种大动态光纤振动传感器 |
CN206523645U (zh) * | 2017-02-17 | 2017-09-26 | 珠海任驰光电科技有限公司 | 一种带有横向限振结构的光纤检波器 |
Non-Patent Citations (2)
Title |
---|
YI DUO 等: "Experimental study on transient response of the fiber optic seismic accelerometer", 《OPTICAL FIBER TECHNOLOGY》 * |
刘振富: "顺变柱体型全光纤加速度地震检波器的研究", 《万方》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021004423A1 (zh) * | 2019-07-09 | 2021-01-14 | 安徽大学 | 一种高灵敏宽频响的全光纤微震监测*** |
CN112379414A (zh) * | 2020-10-29 | 2021-02-19 | 安徽大学 | 共振抑制的光纤加速度传感探头及光纤微震监测传感器 |
CN112379414B (zh) * | 2020-10-29 | 2024-02-02 | 安徽大学 | 共振抑制的光纤加速度传感探头及光纤微震监测传感器 |
Also Published As
Publication number | Publication date |
---|---|
WO2021004423A1 (zh) | 2021-01-14 |
CN110261895B (zh) | 2022-01-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201155991Y (zh) | 一种新型的光纤光栅加速度传感器 | |
AU777802B2 (en) | Highly sensitive accelerometer | |
EP1358488B1 (en) | Highly sensitive cross axis accelerometer | |
CN101982740B (zh) | 双等强度悬臂梁光纤光栅振动传感器 | |
CA2469444C (en) | Optical accelerometer or displacement device using a flexure system | |
CN102901593B (zh) | 一种基于双l型梁的光纤光栅土压力传感器 | |
CN106680535B (zh) | 基于光纤布喇格光栅反射谱特性实现激光拍频的差动型光学加速度计 | |
CN103983806A (zh) | 一种基于柔性铰链的光纤光栅高频加速度传感器 | |
CN104390694B (zh) | 包层光纤光栅振动传感仪 | |
AU2002229908A1 (en) | Highly sensitive cross axis accelerometer | |
CN110261895B (zh) | 一种高灵敏宽频响的全光纤微震监测*** | |
CN1384341A (zh) | 一种压力与温度同时检测的光纤光栅传感器 | |
Liu et al. | Fiber Bragg grating based displacement sensors: State of the art and trends | |
CN110207807A (zh) | 一种光纤振动传感器及其测量振动的方法 | |
CN110261893A (zh) | 一种阻尼可调全光纤加速度微震监测传感器探头 | |
CN103954228A (zh) | 一种高精度分量式光纤钻孔应变仪 | |
CN102087300A (zh) | 一种基于金属波纹管结构的光纤光栅加速度传感器 | |
CN101806919A (zh) | 一种光纤Bragg光栅地震检波器的探头结构 | |
CN110244348B (zh) | 一种光电复合式地震检波器及检测*** | |
CN101782658A (zh) | 双L型光纤Bragg光栅地震检波器探头结构 | |
CN101922289B (zh) | 用于高温油井的光纤检波器温度补偿结构 | |
CN101441105A (zh) | 一种光纤振动传感器 | |
CN206339300U (zh) | 一种光纤光栅微震传感器 | |
CN110207806A (zh) | 一种斜角端面光纤振动传感器及其测量振动的方法 | |
CN105675919A (zh) | 一种基于光纤光栅的低频加速度传感器 |
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 | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Yu Benli Inventor after: Ge Qiang Inventor after: Li Shili Inventor after: Wu Xuqiang Inventor after: Shi Jinhui Inventor after: Zhang Gang Inventor before: Yu Benli Inventor before: Li Shili Inventor before: Wu Xuqiang Inventor before: Ge Qiang Inventor before: Shi Jinhui Inventor before: Zhang Gang |
|
GR01 | Patent grant | ||
GR01 | Patent grant |