CN106370124A - Active network deformation monitoring system based on distributed stress measurement - Google Patents
Active network deformation monitoring system based on distributed stress measurement Download PDFInfo
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- CN106370124A CN106370124A CN201610958224.2A CN201610958224A CN106370124A CN 106370124 A CN106370124 A CN 106370124A CN 201610958224 A CN201610958224 A CN 201610958224A CN 106370124 A CN106370124 A CN 106370124A
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- stress
- optical cable
- railway
- active network
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 238000005259 measurement Methods 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 239000013307 optical fiber Substances 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims description 41
- 238000012545 processing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 238000003909 pattern recognition Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000000523 sample Substances 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
Abstract
The invention provides an active network deformation monitoring system based on distributed stress measurement. The system is characterized in that the system comprises a distributed optical fiber detection locator, a data center, a user terminal, an existing railway communication cable and a stress detection cable; the distributed optical fiber detection locator, the existing railway communication cable which is laid along the connection line of a communication machine room and the stress detection cable which is arranged on a cutting slope monitor and protect the safety of the cutting slope along a railway, wherein the whole stress detection cable is evenly buried along the cutting slope along the railway at the depth between 2 and 30 cm; and the distributed optical fiber detection locator monitors the locating and the stress change of the stress detection cable in real time, and is connects with the monitoring platform data center and the user terminal through a communication link.
Description
Technical field
The present invention relates to the monitoring of Along Railway moat slope falling rocks, particularly a kind of active net form based on distributed stress measurement
Become implementing monitoring system.
Background technology
High-speed railway is national economy large artery trunks and the popular vehicles, is country's key public infrastructure, is complete
Face supports " integration of regional economics ", the basic guarantee on " with a road ", " manufacturing power " and go-global strategy, to China's warp
Ji social development, the people's livelihood improve and national security plays irreplaceable supporting role of overall importance.With railway " fast, close, heavy "
Fast development, safety of railway traffic risk is continuing to increase.
The communication optical cable that Along Railway lays carries Railway Transport Control task, is to ensure that safe train operation extremely
Important infrastructure.
The safety protection technique on conventional Along Railway moat slope has active network, passive net protection moat slope falling rocks, sliding etc., is
A kind of passive preventive means is it is impossible to provide warning function.Main monitoring meanss have gps displacement monitoring technology, video monitoring
Deng, higher to site environment requirement, easily affected it is difficult to carry out remote control by factors such as external environments, be not suitable on a large scale
Lay use.
Fit for the single function of current rail safety monitoring technology means and equipment presence, limited coverage area, environment
Answering property is poor, cost high, the general character bottleneck problem of information island, is detected with advanced distribution type fiber-optic and location technology is as core, open
Open up the inherent sensing function using the existing communications optical cable of railway.System is capable of to Along Railway upward slope in tunnel and moat slope falling rocks
Etc. event real-time monitoring, be accurately positioned, quickly identify and report to the police, thus ensure railway signal, communication, power, especially train
Run safety, be of great significance to guaranteeing that safety of railway traffic has.
Content of the invention
It is an object of the invention to, overcome Along Railway moat slope many, prior art is difficult to large-range monitoring, is difficult to supervise in real time
The problems such as survey, be difficult to accurately to measure, being affected by the external environment big, provides a kind of active network deformation based on distributed stress measurement
Implementing monitoring system.Detected and location technology using advanced distribution type fiber-optic, the active network on Along Railway moat slope is carried out entirely
The monitor in real time in orientation and early warning, provide thermomechanical processing and the change curve of active network, by setting up the moat slope safety of networking
Early warning system, ensures accuracy and the reliability of China railways train operation monitoring data.
The technical solution of the present invention is as follows: a kind of active network deformation implementing monitoring system based on distributed stress measurement
System, including distribution type fiber-optic Detection location instrument, data center, user terminal, existing railway communications optical cable, stress mornitoring optical cable；
Described distribution type fiber-optic Detection location instrument, connects the existing railway communication described in laying along the line in communications equipment room
Optical cable and the stress mornitoring optical cable installed on moat slope, whole piece stress mornitoring optical cable is uniformly buried along Along Railway moat slope or to embrace
The physics modes such as hoop, fixture are fixed on active network, carry out monitor in real time and protection to the safe condition on Along Railway moat slope；Institute
The distribution type fiber-optic Detection location instrument stated, after the signal detecting being acquired, converts etc. processing, can be examined to stress
The positioning of light-metering cable and strain variation carry out real-time monitoring, and report described monitoring platform data center by communication link
And user terminal.
Described distribution type fiber-optic Detection location instrument, can after the signal detecting being acquired, converts etc. processing
Real-time monitoring is carried out with the strain variation to stress detection light cable, and described data center and use are reported by communication link
Family terminal.
Described distribution type fiber-optic Detection location instrument includes distributed optical fiber vibration and the strain of Rayleigh or Brillouin scattering
Sensor, detecting instrument, pattern recognition unit, stress mornitoring optical cable is uniformly buried along Along Railway moat slope or with anchor ear, fixture
It is fixed on active network Deng physics mode, strain, stress mornitoring optical cable tensioning, stress mornitoring optical cable institute in Along Railway moat slope
Increased by stress；STRESS VARIATION suffered by stress mornitoring optical cable is given by brillouin scattering signal, and through pattern recognition unit
Signal processing, obtains optical cable suffered stress, STRESS VARIATION in real time, the information such as STRESS VARIATION position, that is, obtain certain space or when
Between interval stress, STRESS VARIATION, the information such as STRESS VARIATION position suffered by the upper stress detection optical cable of slope；Distribution type fiber-optic detects fixed
Position instrument is carried out after comprehensive analysis processing to stress detection light cable stress information, forms the judgement to the safe shape in moat slope, forms early warning
Information, and these early warning information are passed through communication links to described data center, monitoring information is transmitted by data center
User terminal described in different rights.
By the use of Along Railway laying existing communications optical cable as transmission line, monitoring distance is long, and laid down cost is low.
Using the stress mornitoring optical cable laying on the active network on moat slope along the railway, by the strain monitoring of optical cable Lai
The deformed state of monitoring active network.
Described communication link is railway private network, can ensure safety, the reliability of information transfer.
Described monitoring platform data center comprises server, center monitors display device etc.；Can be by distribution type fiber-optic
The information that Detection location instrument uploads carries out logic manage, and the authority according to each terminal, sends out to road junction terminal and monitor terminal
Send corresponding early warning information.
Described user monitoring terminal is to be positioned over station section dispatch center or upper level Surveillance center, and this terminal accesses
Railway private network.Management personnel are by logging in the account that monitoring platform data center is its distribution it is possible to power according to this terminal
Limit checks the moat ramp shaped state warning message of line related.
Described existing railway communications optical cable is certain single optical fibre in the existing communications optical cable of Along Railway laying, need not
Extra laying, reduces construction cost.
Described stress mornitoring optical cable is to be laid on the active network of moat slope and be connected to the existing communications optical cable of railway wherein
The deformed state of active network on core, can be reflected according to its STRESS VARIATION.
Described other auxiliary monitoring systems can realize the video monitoring to local key area by video camera.
Beneficial effects of the present invention: the present invention adopts Distributed Optical Fiber Sensing Techniques, have with both wired seamless fusions, away from
From length, coverage is big, distributed monitoring, no leak source.The sensing technology based on optical fiber for the monitoring system, need not power at scene, resists
Thunderbolt, maintenance cost are low.Communication link used by system is railway private network, can ensure safety, the reliability of information transfer.With
When to have an autgmentability strong, networking, intelligent the advantages of.
Brief description
Fig. 1 is the structured flowchart based on the active network deformation implementing monitoring system of distributed stress measurement for the present invention.
Specific embodiment
With reference to embodiment and accompanying drawing, the invention will be further described, but should not limit the protection model of the present invention with this
Enclose.
Refer to Fig. 1 first, the active network deformation real-time monitoring system that Fig. 1 is measured based on distributed optical fiber stress for the present invention
System structured flowchart.As seen from Figure 1, the present invention be based on Distributed Optical Fiber Sensing Techniques it is characterised in that its constitute include distributed
Fiber-optic probe position finder, data center, user terminal, the existing communications optical cable of railway, stress mornitoring optical cable, active network；Described
Distribution type fiber-optic Detection location instrument, connects the existing communications optical cable of railway described in laying along the line in communications equipment room, and in railway
Moat slope region along the line concatenates into described stress mornitoring optical cable in existing railway communication, and wherein stress mornitoring fiber cable laying is in moat
On the active network on slope；After described distribution type fiber-optic Detection location instrument passes through the signal detecting is processed, can be real-time
Obtain the strain variation state of stress mornitoring optical cable, if strain abnormality occurs, reported in described data by communication link
The heart, the classification that data center carries out warning message is not distributed to related user afterwards, then passes through described user terminal
Carry out audible alarm, light warning
Above technical scheme can realize a kind of active network deformation monitor in real time system based on distributed optical fiber stress monitoring
System.Although describe in detail the present invention with reference to above-mentioned specific embodiment it should be appreciated that the present invention be not limited to disclosed
Embodiment and embodiment, for this professional field technical staff, various changes can be carried out to its form and details.Institute
It should be understood that the foregoing is only the instantiation of the present invention, it is not limited to the present invention, all essences in the present invention
Any modification, equivalent substitution and improvement done within god and principle etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of active network deformation implementing monitoring system based on distributed stress measurement includes distribution it is characterised in that it is constituted
Formula fiber-optic probe position finder, data center, user terminal, existing railway communications optical cable, stress mornitoring optical cable；
Described distribution type fiber-optic Detection location instrument, connects the existing railway communications optical cable described in laying along the line in communications equipment room
With on moat slope install stress mornitoring optical cable, whole piece stress mornitoring optical cable along Along Railway moat slope uniformly bury or with anchor ear,
The physics modes such as fixture are fixed on active network, carry out monitor in real time and protection to the safe condition on Along Railway moat slope；Described
Distribution type fiber-optic Detection location instrument by the signal detecting is acquired, converts etc. process after, can be to stress mornitoring
The positioning of optical cable and strain variation carry out real-time monitoring, and by communication link report described monitoring platform data center and
User terminal；
Described distribution type fiber-optic Detection location instrument, can be right after the signal detecting being acquired, converts etc. processing
The strain variation of stress mornitoring optical cable carries out real-time monitoring, and reports described data center and user's end by communication link
End；
Described distribution type fiber-optic Detection location instrument includes distributed optical fiber vibration and the strain sensing of Rayleigh or Brillouin scattering
Device, detecting instrument, pattern recognition unit, stress mornitoring optical cable is uniformly buried along Along Railway moat slope or is fixed on for physically
On active network, strain, stress mornitoring optical cable tensioning in Along Railway moat slope, and stress suffered by stress mornitoring optical cable increases；Stress
STRESS VARIATION suffered by detection optical cable is given by brillouin scattering signal, and through pattern recognition unit signal processing, obtains light
Cable suffered stress, STRESS VARIATION in real time, the information such as STRESS VARIATION position, that is, obtain the slope upper stress of certain space or time interval
Stress, STRESS VARIATION suffered by detection optical cable, the information such as STRESS VARIATION position；Distribution type fiber-optic Detection location instrument is to stress detection light
After cable stress information carries out comprehensive analysis processing, form judgement to the safe shape in moat slope, form early warning information, and by these early warning
Information passes through communication links to described data center, and monitoring information is sent to the use described in different rights by data center
Family terminal.
2. the active network deformation implementing monitoring system based on distributed stress measurement according to claim 1, its feature exists
In the existing communications optical cable laid by the use of Along Railway as transmission line；.
3. the active network deformation implementing monitoring system based on distributed stress measurement according to claim 1, its feature exists
The stress mornitoring optical cable laying on using the active network on moat slope along the railway, by monitoring master to the strain monitoring of optical cable
The deformed state of dynamic net.
4. the active network deformation implementing monitoring system based on distributed stress measurement according to claim 1, its feature exists
It is railway private network in described communication link；.
5. the active network deformation implementing monitoring system based on distributed stress measurement according to claim 1, its feature exists
Uniformly bury along moat slope in whole piece stress mornitoring optical cable or be fixed on active network with physics modes such as anchor ear, fixtures.
6. the active network deformation implementing monitoring system based on distributed stress measurement according to claim 1, its feature exists
In: described monitoring platform data center comprises server, center monitors display device；By on distribution type fiber-optic Detection location instrument
The information passing carries out logic manage, and the authority according to each terminal, sends corresponding early warning to road junction terminal and monitor terminal
Information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610958224.2A CN106370124A (en) | 2016-11-03 | 2016-11-03 | Active network deformation monitoring system based on distributed stress measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610958224.2A CN106370124A (en) | 2016-11-03 | 2016-11-03 | Active network deformation monitoring system based on distributed stress measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106370124A true CN106370124A (en) | 2017-02-01 |
Family
ID=57893732
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610958224.2A Withdrawn CN106370124A (en) | 2016-11-03 | 2016-11-03 | Active network deformation monitoring system based on distributed stress measurement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664930A (en) * | 2020-06-08 | 2020-09-15 | 西南交通大学 | Frequency and image-based high slope rockfall integrated monitoring system and method |
| CN114360221A (en) * | 2022-01-05 | 2022-04-15 | 中国人民解放军海军工程大学 | Multi-source real-time monitoring system for protecting sea optical cable |
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| CN1901418A (en) * | 2006-07-21 | 2007-01-24 | 南京大学 | Method and system for monitoring soil property side slope distributive fiber optic strain |
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| JP2009294039A (en) * | 2008-06-04 | 2009-12-17 | Mie Univ | Structure deformation monitoring method using distribution type optical-fiber sensing system, and device thereof |
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| CN102997861A (en) * | 2012-11-28 | 2013-03-27 | 上海交通大学无锡研究院 | High-speed rail side-slope slide state real-time monitoring system based on distributed optical strain sensing |
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| CN1901418A (en) * | 2006-07-21 | 2007-01-24 | 南京大学 | Method and system for monitoring soil property side slope distributive fiber optic strain |
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| CN114360221A (en) * | 2022-01-05 | 2022-04-15 | 中国人民解放军海军工程大学 | Multi-source real-time monitoring system for protecting sea optical cable |
| CN114360221B (en) * | 2022-01-05 | 2024-03-26 | 中国人民解放军海军工程大学 | Multi-source real-time monitoring system for protecting submarine optical cable |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hou Wenyu Inventor after: Wang Zhaoyong Inventor after: Ye Qing Inventor after: Cai Haiwen Inventor after: Zheng Hanrong Inventor after: Xia Daoming Inventor after: Yu Zhanghui Inventor after: Song Guoliang Inventor after: Shi Baisheng Inventor after: Ma Guoliang Inventor after: Cao Yulong Inventor after: Wu Haijun Inventor after: Jiang Xiaobing Inventor after: Xia Baoqian Inventor after: Lu Bin Inventor before: Cao Yulong Inventor before: Xia Daoming Inventor before: Yu Zhanghui Inventor before: Wu Haijun Inventor before: Jiang Xiaobing Inventor before: Xia Baoqian Inventor before: Lu Bin Inventor before: Wang Zhaoyong Inventor before: Ye Qing Inventor before: Cai Haiwen Inventor before: Zheng Hanrong |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171211 Address after: No. 80 Tianmu East Road, Jingan District, Shanghai Applicant after: SHANGHAI RAILWAY BUREAU Applicant after: NANJING PI-LIGHTWAVE INFORMATION TECHNOLOGY CO.,LTD. Address before: Shuanglong street in Qinhuai District of Nanjing City, Jiangsu province 210007 No. 1 Ssangyong science and Technology Industrial Park 2 Building 3 floor Applicant before: NANJING PI-LIGHTWAVE INFORMATION TECHNOLOGY CO.,LTD. |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170201 |
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| WW01 | Invention patent application withdrawn after publication |