CN204346572U - Subgrade Subsidence fiber-optic vibration Real-Time Monitoring and warning system - Google Patents
Subgrade Subsidence fiber-optic vibration Real-Time Monitoring and warning system Download PDFInfo
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- CN204346572U CN204346572U CN201420719836.2U CN201420719836U CN204346572U CN 204346572 U CN204346572 U CN 204346572U CN 201420719836 U CN201420719836 U CN 201420719836U CN 204346572 U CN204346572 U CN 204346572U
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Abstract
A kind of Subgrade Subsidence fiber-optic vibration Real-Time Monitoring and warning system, belong to important infrastructure safety monitoring technology field.Distributed optical fiber vibration sensor is it is characterized in that to be laid in roadbed by S type mode, the vibration signal that distributed optical fiber vibration system Real-time Collection and location are applied on distributed optical fiber vibration sensor, by Subgrade Subsidence vibration signal recognition system, various vibration signal is processed, identify the vibration signal because Subgrade Subsidence produces, the disaster information that subsides identified carries out to the calamity forecast Zhong Kong center that subsides warning of subsiding by GSM/GPRS real-time report.Effect of the present utility model and benefit are the vibration signals that employing distributed optical fiber vibration test macro and Subgrade Subsidence vibration signal recognition system Real time identification go out because Subgrade Subsidence causes, and determine according to the energy spectrum of vibration signal the scale of subsiding, be reported to Subgrade Subsidence calamity forecast Zhong Kong center Realtime Alerts to subside by GSM/GPSR, solve the difficult problem that current Subgrade Subsidence calamity forecast postpones.
Description
Technical field
The utility model belongs to important infrastructure safety monitoring technology field, relates to a kind of Subgrade Subsidence fiber-optic vibration Real-Time Monitoring and warning system.
Background technology
China's karst area, more than 3,000,000 square kilometres, accounts for area nearly 1/3rd.Karst soil cave (subsiding) is a kind of extremely serious disaster, result in the damage of great economic asset and casualties.Along with rapid development of economy, China railways mileage 90,000 kilometers (occupying the second in the world), wherein high ferro mileage more than 7,000 kilometer (occupying the first in the world), and become the important high-new export techniques of China.These railways unavoidably pass through karst region, particularly the railway of southwest.At present, it is the main disaster form of rail link construction that karst region railway bed subsides, the safe operation of serious threat railway.Therefore, scientifically holding karst soil cave disaster, Development of Railway Subgrade Subsidence disaster Realtime Alerts, is that prevention railway bed subsides and slows down the most effective way of harm of subsiding.
At present, scan along the line along railway bed for the main geological radar that adopts of karst soil cave monitoring/detection, the method testing cost is high, sense cycle is long, can not realize Subgrade Subsidence real time monitoring function.Displacement transducer and soil pressure sensor can carry out point type or area monitoring to roadbed, for roadbed, and the problems such as need to lay a large amount of point sensors, this will cause transmission line various, and the system integration is complicated, and easily occur undetected.Distributed sensing technology can realize distributed measurement, and at home and abroad civil engineering work, aerospace field obtain and pay attention to and be successfully applied in some important infrastructures (bridge, tunnel etc.).In the monitoring of karst soil cave, strict and impartial wait people to adopt concentric cable Time Domain Reflectometry (TDR) technology to monitor soil cave feasibility and validity carried out experimental study, TDR soil cave positioning precision 1.0m.But TDR transmission range is shorter and be subject to environmental interference, improper Subgrade Subsidence Real-Time Monitoring.Distribution type fiber-optic Brillouin sensing technology has that sensing accuracy is high, absolute measurement and can realize the feature of the strain of up to a hundred kilometers and the continuous coverage of temperature, early warning can be carried out to disaster scale of subsiding, but it belongs to Quasi dynamic monitoring technology, the time of fire alarming that subsides postpones to some extent.For disaster accident, even within one second, report to the police in advance, also greatly can slow down the consequence of accident.Optical fiber distribution type vibration sensing technology can carry out high real-time, high sensitivity monitoring to being applied to vibration signal on optical fibre vibration sensor, in the structures such as circumference security protection, buried pipeline, carried out Research And Engineering application widely.Current optical fiber vibration sensing technology is applied to railway bed Collapse monitor and yet there are no relevant report.
Summary of the invention
The purpose of this utility model there is provided a kind of Subgrade Subsidence fiber-optic vibration Real-Time Monitoring and warning system, the method is applied to the vibration signal on distributed optical fiber vibration sensor by distributed optical fiber vibration system Real-time Collection, identify by Subgrade Subsidence vibration signal recognition system the vibration signal that subsides, and be in real time transferred to by general packet radio service technology (GSM/GPRS) the calamity forecast Zhong Kong center that subsides and carry out warning of subsiding.
The technical solution of the utility model is laid in roadbed by distributed optical fiber vibration sensor by S type mode, the vibration signal that distributed optical fiber vibration system Real-time Collection and location are applied on distributed optical fiber vibration sensor, by Subgrade Subsidence vibration signal recognition system, various vibration signal is processed, identify the vibration signal because Subgrade Subsidence produces, the disaster information that subsides identified carries out to the calamity forecast Zhong Kong center that subsides warning of subsiding by GSM/GPRS real-time report.The utility model comprises following technical characteristic:
A) Subgrade Subsidence fiber-optic vibration method of real-time and warning system thereof, comprises distributed optical fiber vibration sensor, distributed optical fiber vibration test macro, Subgrade Subsidence vibration signal recognition system, GSM/GPRS reception transmission tower and Subgrade Subsidence calamity forecast Zhong Kong center.The various vibration signal of distributed optical fiber vibration sensor perception gone up along the line by distributed optical fiber vibration test macro real-time position monitor roadbed, the vibration signal caused because of Subgrade Subsidence by the identification of Subgrade Subsidence vibration signal recognition system, is reported to roadbed disaster warning Zhong Kong center to carry out Realtime Alerts to Subgrade Subsidence disaster scale and position by GSM/GPRS.
B) distributed optical fiber vibration sensor is laid in roadbed by S type mode, the various vibration signal of real-time perception, the various vibration signals of the collection of distributed optical fiber vibration test macro and the perception of positioning distributed fibre-optical vibration transducer.
C) Subgrade Subsidence vibration signal recognition system processes various vibration signal in real time, identifies the vibration signal because Subgrade Subsidence causes, and according to the vibration signal energy spectrogram identified, determines Subgrade Subsidence scale and position.
D) Subgrade Subsidence scale and positional information are transferred to Subgrade Subsidence calamity forecast Zhong Kong center by GSM/GPRS and carry out the disaster Realtime Alerts that subsides
Effect of the present utility model and benefit are the vibration signals that distributed optical fiber vibration test macro and Subgrade Subsidence vibration signal recognition system Real time identification go out because Subgrade Subsidence causes, and determine according to the energy spectrum of vibration signal the scale of subsiding, to be subsided warning to Subgrade Subsidence calamity forecast Zhong Kong center real-time release by GSM/GPSR real-time report, efficiently solve the difficult problem that current Subgrade Subsidence calamity forecast postpones.
Accompanying drawing explanation
Accompanying drawing is Subgrade Subsidence fiber-optic vibration method of real-time and warning system schematic diagram thereof.
In figure: 1 distributed optical fiber vibration sensor; 2 transmission cables; 3 distributed optical fiber vibration test macros; 4 Subgrade Subsidence vibration signal recognition systems; 5 GPRS/GSM receive and send tower; 6 Subgrade Subsidence calamity forecast Zhong Kong centers.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with technical scheme and accompanying drawing.
Accompanying drawing is Subgrade Subsidence fiber-optic vibration Real-Time Monitoring and warning system.The concrete building mode of system is that distributed optical fiber vibration sensor 1 is longitudinally laid by S type along roadbed, distributed optical fiber vibration sensor 1 welds with transmission cable 2, transmission cable 2 accesses distributed optical fiber vibration test macro 3, distributed optical fiber vibration system 3 and Subgrade Subsidence vibration signal recognition system 4, GSM/GPRS tower 5 receives and sends the Subgrade Subsidence disaster information that Subgrade Subsidence vibration signal recognition system 4 identifies, Subgrade Subsidence calamity forecast Zhong Kong center 6 will receive Subgrade Subsidence disaster information and carry out real-time release warning, and then form whole Subgrade Subsidence fiber-optic vibration method of real-time and warning system thereof.Distributed optical fiber vibration sensor 1 lays the positioning precision that can improve vibration signal source by S type, distributed optical fiber vibration system 3 Real-time Collection is applied to the various vibration signals on distributed optical fiber vibration sensor 1, vibration signal is through Subgrade Subsidence vibration signal recognition system 4 analyzing and processing, identify the vibration signal because soil cave collapse causes, be then sent to Subgrade Subsidence calamity forecast Zhong Kong center 6 by GSM/GPRS tower 5 and carry out scale of subsiding and position warning in real time.
Claims (2)
1. Subgrade Subsidence fiber-optic vibration Real-Time Monitoring and a warning system, comprises distributed optical fiber vibration sensor (1), transmission cable (2), distributed optical fiber vibration test macro (3), Subgrade Subsidence vibration signal recognition system (4), GPRS/GSM receives and sends tower (5), Subgrade Subsidence calamity forecast Zhong Kong center (6), it is characterized in that: distributed optical fiber vibration test macro (3) Real-time Collection is laid in the vibration signal of distributed optical fiber vibration sensor (1) perception in roadbed, Subgrade Subsidence vibration signal recognition system (4) identifies the vibration signal because Subgrade Subsidence causes, GPRS/GSM reception transmission tower (5) receives and sends the Subgrade Subsidence disaster identified and carries out Subgrade Subsidence disaster Realtime Alerts to Subgrade Subsidence calamity forecast Zhong Kong center (6), this system is, distributed optical fiber vibration sensor (1) is longitudinally laid along roadbed by S type, obtain various vibration signal, distributed optical fiber vibration test macro (3) Real-time Collection vibration signal, by Subgrade Subsidence vibration signal recognition system (4), vibration signal is processed, according to the energy spectrum obtained after process, identify the vibration information because Subgrade Subsidence causes.
2. a kind of Subgrade Subsidence fiber-optic vibration Real-Time Monitoring according to claim 1 and warning system, it is characterized in that, the vibration signal that Subgrade Subsidence vibration signal recognition system (4) identifies receives transmission tower (5) by GPRS/GSM and receives and be sent to Subgrade Subsidence calamity forecast Zhong Kong center (6), Subgrade Subsidence calamity forecast Zhong Kong center (6) Realtime Alerts Subgrade Subsidence scale and position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719836.2U CN204346572U (en) | 2014-11-25 | 2014-11-25 | Subgrade Subsidence fiber-optic vibration Real-Time Monitoring and warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719836.2U CN204346572U (en) | 2014-11-25 | 2014-11-25 | Subgrade Subsidence fiber-optic vibration Real-Time Monitoring and warning system |
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| Publication Number | Publication Date |
|---|---|
| CN204346572U true CN204346572U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420719836.2U Expired - Fee Related CN204346572U (en) | 2014-11-25 | 2014-11-25 | Subgrade Subsidence fiber-optic vibration Real-Time Monitoring and warning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374466A (en) * | 2014-11-25 | 2015-02-25 | 大连理工大学 | Optical fiber vibration real-time monitoring and alarming system for roadbed collapse |
| CN105954791A (en) * | 2016-06-01 | 2016-09-21 | 长江大学 | Vibration ground wave fiber sensing detection system for prevention of burglary and excavation of underground historical relics |
-
2014
- 2014-11-25 CN CN201420719836.2U patent/CN204346572U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374466A (en) * | 2014-11-25 | 2015-02-25 | 大连理工大学 | Optical fiber vibration real-time monitoring and alarming system for roadbed collapse |
| CN104374466B (en) * | 2014-11-25 | 2017-05-03 | 大连理工大学 | Optical fiber vibration real-time monitoring and alarming system for roadbed collapse |
| CN105954791A (en) * | 2016-06-01 | 2016-09-21 | 长江大学 | Vibration ground wave fiber sensing detection system for prevention of burglary and excavation of underground historical relics |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20151125 |