CN103362553B - Coal Mine Underground Safety Comprehensive Monitoring System Based on Fiber Bragg Grating Sensor - Google Patents
Coal Mine Underground Safety Comprehensive Monitoring System Based on Fiber Bragg Grating Sensor Download PDFInfo
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- CN103362553B CN103362553B CN201310282744.2A CN201310282744A CN103362553B CN 103362553 B CN103362553 B CN 103362553B CN 201310282744 A CN201310282744 A CN 201310282744A CN 103362553 B CN103362553 B CN 103362553B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 103
- 239000003245 coal Substances 0.000 title claims abstract description 72
- 239000000835 fiber Substances 0.000 claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000005065 mining Methods 0.000 claims abstract description 17
- 239000013307 optical fiber Substances 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000004458 analytical method Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 230000032798 delamination Effects 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 238000012098 association analyses Methods 0.000 claims description 5
- 238000010835 comparative analysis Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 11
- 238000009423 ventilation Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000002265 prevention Effects 0.000 description 6
- 238000004880 explosion Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Alarm Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
A coal mine underground safety comprehensive monitoring system based on a fiber bragg grating sensor belongs to coal mine underground safety monitoring systems. The system comprises an aboveground part and an underground part, wherein the aboveground part comprises a fiber grating static demodulator, a computer data processing system, a printer, a server and a client; the underground part comprises an optical switch array, a working face safety monitoring subsystem and a roadway safety monitoring subsystem; the two monitoring subsystems respectively comprise at least one monitoring base station, each monitoring base station at least comprises one measuring station, and each measuring station corresponds to one group of fiber bragg grating sensors; the advantages are that: the system adopts multiple stations, underground multi-parameter monitoring and integrated fiber grating sensors, adopts all-optical measurement and optical fiber for signal transmission, is safe in nature, strong in anti-electromagnetic interference capability and good in monitoring effect, realizes real-time continuous long-term on-line monitoring and data sharing of a whole mining area, is convenient for better guiding the safety production of a coal mine, can effectively reduce the occurrence of coal mine safety accidents, and realizes safe and efficient production of the coal mine.
Description
Technical field
The present invention relates to a kind of coal mine downhole safety monitoring system, specifically a kind of coal mine downhole safety comprehensive monitor system based on fiber-optic grating sensor.
Background technology
In recent years, along with improving constantly of mining technique, China's coal-mine industry obtains better developing faster.As the basis of China's other industrial trades development, the raising of safety in production to social progress and national economy in colliery plays very important effect.But, along with the continuous increase of coal mining depth, strata behaviors and the safety of coal mines pressure in colliery are more obvious, the disaster caused is also more and more serious, as the accidents such as roof collapse, roadway deformation, impulsion pressure, gas explosion, mine water inrush, coal-mine fire frequently occur, therefore, cause huge loss to the coal mining of China, have a strong impact on life security and the shaft production of practitioner.If set up an advanced ore deposit to be pressed in line monitor and early warning system, just can effective monitoring working surface production, effectively prevent and reduce the generation of ore deposit pressure accident.
Some have obtained certain development for the product facility of coal mine downhole safety monitoring field exploitation at present, such as adopt monolithic processor controlled vibrating string type sensor, resistance strain-gauge transducer, gas sensor etc.The monitoring means of underground coal mine is mainly included in and underground coal mine fully-mechanized mining working surface hydraulic support installs fully mechanized mining supporter pressure sensor, on back, install roof delamination sensor, in coal and rock, install bearing stress sensor, on supporting roadway surrounding rock anchor pole skyhook strain gauge, arrange firedamp sensor at work plane, arrange temperature pick up in goaf.But above-mentioned monitoring means still has following shortcoming: 1, be subject to electromagnetic interference and external environmental interference, monitoring accuracy is bad; 2, non-moistureproof, reliability is low, and application life is short, cannot meet the requirement of long term monitoring; 3, independent layout and manually reading or infrared collecting data, so automaticity is low, data acquisition inconvenience.
Summary of the invention
Technical problem: in order to overcome deficiency of the prior art, the object of the invention is to adapt to present safety of coal mines High-efficient Production, meet coal mine downhole safety needs, there is provided that a kind of monitoring effect is good, certainty of measurement is high, good reliability, anti-electromagnetic interference capability is strong, can the coal mine downhole safety comprehensive monitor system based on fiber-optic grating sensor of real-time online long term monitoring.
Technical scheme: object of the present invention is achieved through the following technical solutions: based on the coal mine downhole safety comprehensive monitor system of fiber-optic grating sensor, comprise aboveground part and underground part; Described aboveground part comprises the static (FBG) demodulator of fiber grating, computer data processing system, printer, server and client side, client is interconnected by colliery LAN and server, and fiber grating static state (FBG) demodulator is by mining transmission cable connecting downhole part; Described underground part comprises array of photoswitch, work plane safety monitoring subsystem and tunnel safety monitoring subsystem; By communication optical fiber, array of photoswitch passage is connected with work plane safety monitoring subsystem, described work plane safety monitoring subsystem at least comprises a work plane monitoring base station, wherein each work plane monitoring base station at least comprises a survey station, the corresponding one group of fiber-optic grating sensor of each survey station, one group of described fiber-optic grating sensor comprises fiber grating poppet pressure sensor, fiber grating firedamp sensor, fiber-optical grating temperature sensor; Be connected with tunnel safety monitoring subsystem by communication optical fiber another passage by array of photoswitch, described tunnel safety monitoring subsystem at least comprises a tunnel monitor base station, wherein each tunnel monitor base station at least comprises a survey station, the corresponding one group of fiber-optic grating sensor of each survey station, one group of described fiber-optic grating sensor comprises fiber grating drilling hole stress sensor, fiber grating delamination monitoring sensor, fiber grating air velocity transducer, fiber grating anchor cable strain gauge, fiber grating hydraulic pressure sensor, optical fiber grating anchor stress sensor; Layout at underground coal mine, install the fiber-optic grating sensor in work plane safety monitoring subsystem and tunnel safety monitoring subsystem, carry out the monitoring of safety of coal mines parameter.
Further, the output port of the static (FBG) demodulator of described fiber grating passes through network interface or RS232 interface or USB interface and is connected with computer data processing system.
Moreover, the embedded demodulation analysis process software of described computer data processing system, and have as lower module:
A () input module, comprises mine parameters input, the input of early warning and alarming threshold value and automatic acquisition function;
B () administration module, comprises historical query, data sharing, autostore function;
C () analysis module, comprises trend analysis, multi-parameter association analysis, comparative analysis function;
D () output module, comprises overload alarm, risk prediction, group financial statements and real-time curve function.
Described fiber grating poppet pressure sensor is arranged on fully-mechanized mining working surface hydraulic support, pushing ahead with work plane, the working resistance of Real-Time Monitoring hydraulic support, provides foundation for studying rational support-Relationship Between Face Supports And Surrounding, the design of Roof Control and management;
Described fiber grating firedamp sensor is arranged in fully-mechanized mining working, and the content of monitoring face gas at upper corner realizes the safety in production in colliery, for the safety in production of the dangerous mine of coal and gas prominent provides support and foundation;
Described fiber-optical grating temperature sensor is arranged in working face face goaf, the temperature monitoring in work plane goaf, the variations in temperature in Real-Time Monitoring goaf, for prevention goaf fire and spontaneous combustionof coal provide the data basis of reliability.
Described fiber grating drilling hole stress sensor is arranged in the advanced coal body in tunnel, work plane two ends, monitoring roof strata is in relatively stable and remarkable motion overall process, abutment pressure is apparent in the change procedure in stress field, for according to abutment pressure distribution and transfer change, decision-making ore deposit pressure problem provides foundation, as at a specified future date in peak pressure distributing position, scope, roof weighting, mid-range forecast;
Described fiber grating delamination monitoring sensor is arranged in roadway supported by bolt roof strata, monitor within the scope of roof bolting and anchoring scope absciss layer value situation of change and trend outward, for the monitoring of the stability of roadway supported by bolt top board and the aggregate motion situation of overlying rock provides foundation;
Described fiber grating air velocity transducer is arranged in tunnel, ventilation in monitoring coal mine roadway and ventilation speed, be applicable to the place such as each mine ventilation return airway, air port that underground coal mine has gas explosion danger, wind speed, the air force in above-mentioned place can be monitored continuously, Real-Time Monitoring can be carried out, for the ventilation of the dirty gas in the extraction of gas in highly gassy mine and tunnel provides foundation to the wind speed air quantity in residing tunnel;
Described fiber grating anchor cable strain gauge and described optical fiber grating anchor stress sensor are arranged in rock stratum, tunnel, size and the distribution situation of axial force when anchor pole and anchor cable work is monitored in monitoring bolting and rope support tunnel, STABILITY MONITORING for back provides reliable theoretical foundation, ensure the stable of roadway surrounding rock, prevent the accidents such as country rock large area caving;
Described fiber grating hydraulic pressure sensor is arranged in tunnel, the water yield in Real-Time Monitoring tunnel, for high gushing water tunnel mine provides foundation, prevents the generation of mine water inrush accident, produces significance to the prediction and prevention research of coal mine flood.
The treatment step of described demodulation analysis process software is:
Step one: fiber-optic grating sensor is numbered, classifies and divides into groups;
Step 2: according to colliery condition setting fiber-optic grating sensor early warning and alarming parameter and early warning and alarming threshold value;
Step 3: carry out demodulation by the safety of coal mines data of the static (FBG) demodulator of fiber grating to fiber-optic grating sensor Real-Time Monitoring, the real time data that receives is obtained and early warning and alarming threshold value compares through demodulation analysis process software, result is relatively greater than threshold range, then demodulation analysis process software sends event early warning and warning message, simultaneously by real time data timing stored in monitoring parameter database;
Step 4: trend analysis, multi-parameter association analysis and comparative analysis are carried out to the data in monitoring parameter database;
Step 5: in conjunction with coal mine roadway and work plane relevant parameter with analyze after situation, software will do following functions process, one is the integrated forecasting situation exporting underground coal mine danger, two is the monitoring curves showing coal mine downhole safety parameter in real time, three is carry out data information sharing by colliery LAN, four is generate group financial statements, and five is carry out historical query; By taking safety measures, thus realize safety of coal mines High-efficient Production.
Beneficial effect, owing to have employed such scheme, the present invention utilizes multiple fiber-optic grating sensor to carry out coal mine downhole safety comprehensive monitoring, adopt many survey stations, down-hole multi-parameter monitoring, multisensor use take optical fiber as transport vehicle, integrated optical fiber grating sensor, monitoring effect is good, certainty of measurement is high, good reliability, and anti-electromagnetic interference capability is strong, monitored data error is little, it is little, stable to affect by environment for use; Fiber-optic grating sensor essential safety, full mine adopts full photo measure and optical fiber to carry out Signal transmissions, does not need power supply, ensures production safety and workman's personal safety of underground coal mine; System of the present invention realizes the long-term on-line monitoring of real-time continuous, and there is early warning and warning function, underground coal mine comprehensive monitoring and danger forecasting result can be provided in time, also achieve the data sharing in full mining area, the aboveground personnel's very first time being conducive to colliery understands the running status of underground coal mine, better to instruct the safety in production in colliery, the generation of mine safety accidents can be effectively reduced, realize safety of coal mines High-efficient Production.Based on the safety of coal mines comprehensive monitor system of fiber-optic grating sensor, carry out the integrated treatment of safety of coal mines supplemental characteristic, the generation of effective prevention and minimizing coal mining accident, realizes safety of coal mines High-efficient Production.
Advantage: fiber-optic grating sensor is applied to colliery, has essential safety, certainty of measurement is high, antijamming capability is strong, and monitored data error is little, can the advantage of real-time online long term monitoring.Based on the safety of coal mines comprehensive monitor system of fiber-optic grating sensor, carry out the integrated treatment of safety of coal mines supplemental characteristic, the generation of effective prevention and minimizing coal mining accident, realizes safety of coal mines High-efficient Production.
Accompanying drawing explanation
Fig. 1 is integral arrangement structural representation of the present invention.
Fig. 2 is the functional block diagram of computer data processing system of the present invention.
Fig. 3 is work plane Monitor Sub-Station of Less composition frame chart of the present invention.
Fig. 4 is tunnel monitor substation composition frame chart of the present invention.
Fig. 5 is data handling procedure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
Embodiment 1: Fig. 1 is in the integral arrangement structural representation of system, coal mine downhole safety comprehensive monitor system based on fiber-optic grating sensor comprises aboveground part and underground part, described aboveground part comprises the static (FBG) demodulator of fiber grating, computer data processing system, printer, server and client side, client is interconnected by colliery LAN and server, and fiber grating static state (FBG) demodulator is by mining transmission cable connecting downhole part; Described underground part comprises array of photoswitch, work plane monitoring subsystem and tunnel monitor subsystem; By communication optical fiber, array of photoswitch passage is connected with work plane safety monitoring subsystem, described work plane monitoring subsystem at least comprises a work plane monitoring base station, wherein each work plane monitoring base station at least comprises a survey station, the corresponding one group of fiber-optic grating sensor of each survey station, one group of described fiber-optic grating sensor comprises fiber grating poppet pressure sensor, fiber grating firedamp sensor, fiber-optical grating temperature sensor and fiber grating drilling hole stress sensor; Be connected with tunnel safety monitoring subsystem by communication optical fiber another passage by array of photoswitch, described tunnel monitor subsystem at least comprises a tunnel monitor base station, wherein each tunnel monitor base station at least comprises a survey station, the corresponding one group of fiber-optic grating sensor of each survey station, one group of described fiber-optic grating sensor comprises fiber grating delamination monitoring sensor, fiber grating air velocity transducer, fiber grating anchor cable strain gauge, fiber grating hydraulic pressure sensor, optical fiber grating anchor stress sensor.
Further, the output port of the static (FBG) demodulator of fiber grating is connected with computer data processing system by network interface or RS232 interface or USB interface.
System is occurrence characteristics according to coal rock layer and physico-mechanical properties, layouts, install the fiber-optic grating sensor in work plane safety monitoring subsystem and tunnel safety monitoring subsystem, carry out the monitoring of safety of coal mines parameter at underground coal mine.
In work plane safety monitoring subsystem: fiber grating poppet pressure sensor is arranged on fully-mechanized mining working surface hydraulic support, pushing ahead with work plane, the working resistance of Real-Time Monitoring hydraulic support, provides foundation for studying rational support-Relationship Between Face Supports And Surrounding, the design of Roof Control and management.
Fiber grating firedamp sensor is arranged in fully-mechanized mining working, for the content of monitoring face gas at upper corner, realizes the safety in production in colliery, for the safety in production of the dangerous mine of coal and gas prominent provides support and foundation.
Fiber-optical grating temperature sensor is arranged in working face face goaf, and for the temperature monitoring in work plane goaf, the variations in temperature in Real-Time Monitoring goaf, for prevention goaf fire and spontaneous combustionof coal provide the data basis of reliability.
In tunnel safety monitoring subsystem: fiber grating drilling hole stress sensor is arranged in ahead work face tunnel, be mainly used in monitoring roof strata in relatively stable and remarkable motion overall process, abutment pressure is apparent in the change procedure in stress field, for according to abutment pressure distribution and transfer change, decision-making ore deposit pressure problem provides foundation, as at a specified future date in peak pressure distributing position, scope, roof weighting, mid-range forecast.
Fiber grating delamination monitoring sensor is arranged in roadway supported by bolt roof strata, for monitoring within the scope of roof bolting and absciss layer value situation of change and trend outside anchoring scope, for the monitoring of the stability of roadway supported by bolt top board and the aggregate motion situation of overlying rock provides foundation.
Fiber grating air velocity transducer is arranged in tunnel, for monitoring ventilation in coal mine roadway and ventilation speed, be applicable to the place such as each mine ventilation return airway, air port that underground coal mine has gas explosion danger, wind speed, the air force in above-mentioned place can be monitored continuously, Real-Time Monitoring can be carried out, for the ventilation of the dirty gas in the extraction of gas in highly gassy mine and tunnel provides foundation to the wind speed air quantity in residing tunnel.
Fiber grating anchor cable strain gauge and optical fiber grating anchor stress sensor are arranged in rock stratum, tunnel, the size of axial force and distribution situation when monitoring anchor pole and anchor cable work for monitoring in bolting and rope support tunnel, STABILITY MONITORING for back provides reliable theoretical foundation, ensure the stable of roadway surrounding rock, prevent the accidents such as country rock large area caving.
Fiber grating hydraulic pressure sensor is arranged in tunnel, for the water yield in Real-Time Monitoring tunnel, for high gushing water tunnel mine provides foundation, prevents the generation of mine water inrush accident, produces significance to the prediction and prevention research of coal mine flood.
Fig. 4 is the process schematic that demodulation analysis process software carries out data processing, and the processing procedure of demodulation analysis process software can follow these steps to carry out:
Step one: the fiber-optic grating sensor used to underground coal mine is numbered, classifies and divides into groups;
Step 2: according to colliery condition setting fiber-optic grating sensor early warning and alarming parameter and early warning and alarming threshold value;
Step 3: carry out demodulation by the safety of coal mines data of the static (FBG) demodulator of fiber grating to fiber-optic grating sensor Real-Time Monitoring, the real time data that receives is obtained and early warning and alarming threshold value compares through demodulation analysis process software, result is relatively greater than threshold range, then demodulation analysis process software sends event early warning and warning message, simultaneously by real time data timing stored in monitoring parameter database;
Step 4: trend analysis, multi-parameter association analysis and comparative analysis are carried out to the data in monitoring parameter database;
Step 5: in conjunction with coal mine roadway and work plane relevant parameter with analyze after situation, software will do following functions process, one is the integrated forecasting situation exporting underground coal mine danger, two is the monitoring curves showing coal mine downhole safety parameter in real time, three is carry out data information sharing by colliery LAN, four is generate group financial statements, and five is carry out historical query.
By adopting above-mentioned scheme, carry out many survey stations, multi-parameter monitoring, integrated optical fiber grating sensor, take optical fiber as transport vehicle, anti-electromagnetic interference capability is strong, affect little by environment for use, stable, realize the long-term on-line monitoring of real-time continuous, and there is early warning and warning function, underground coal mine comprehensive monitoring and danger forecasting result can be provided in time, and achieve the data sharing in full mining area, colliery is made to lead the very first time to understand the running status of underground coal mine, closely take safety measures, better instruct the safety in production in colliery, thus realize safety of coal mines High-efficient Production.
Claims (1)
1. based on a coal mine downhole safety comprehensive monitor system for fiber-optic grating sensor, it is characterized in that: comprise aboveground part and underground part; Described aboveground part comprises the static (FBG) demodulator of fiber grating, computer data processing system, printer, server and client side, client is interconnected by colliery LAN and server, and fiber grating static state (FBG) demodulator is by mining transmission cable connecting downhole part; Described underground part comprises array of photoswitch, work plane safety monitoring subsystem and tunnel safety monitoring subsystem; By communication optical fiber, array of photoswitch passage is connected with work plane safety monitoring subsystem, described work plane safety monitoring subsystem at least comprises a work plane monitoring base station, wherein each work plane monitoring base station at least comprises a survey station, the corresponding one group of fiber-optic grating sensor of each survey station, one group of described fiber-optic grating sensor comprises fiber grating poppet pressure sensor, fiber grating firedamp sensor, fiber-optical grating temperature sensor; Be connected with tunnel safety monitoring subsystem by communication optical fiber another passage by array of photoswitch, described tunnel safety monitoring subsystem at least comprises a tunnel monitor base station, wherein each tunnel monitor base station at least comprises a survey station, the corresponding one group of fiber-optic grating sensor of each survey station, one group of described fiber-optic grating sensor comprises fiber grating drilling hole stress sensor, fiber grating delamination monitoring sensor, fiber grating air velocity transducer, fiber grating anchor cable strain gauge, fiber grating hydraulic pressure sensor, optical fiber grating anchor stress sensor; Layout at underground coal mine, install the fiber-optic grating sensor in work plane safety monitoring subsystem and tunnel safety monitoring subsystem, carry out the monitoring of safety of coal mines parameter;
The output port of the static (FBG) demodulator of described fiber grating passes through network interface or RS232 interface or USB interface and is connected with computer data processing system;
The embedded demodulation analysis process software of described computer data processing system, and have as lower module:
A () input module, comprises mine parameters input, the input of early warning and alarming threshold value and automatic acquisition function;
B () administration module, comprises historical query, data sharing, autostore function;
C () analysis module, comprises trend analysis, multi-parameter association analysis, comparative analysis function;
D () output module, comprises overload alarm, risk prediction, group financial statements and real-time curve function.
2. the coal mine downhole safety comprehensive monitor system based on fiber-optic grating sensor according to claims 1, is characterized in that: the treatment step of described demodulation analysis process software is:
Step one: fiber-optic grating sensor is numbered, classifies and divides into groups;
Step 2: according to colliery condition setting fiber-optic grating sensor early warning and alarming parameter and early warning and alarming threshold value;
Step 3: carry out demodulation by the safety of coal mines data of the static (FBG) demodulator of fiber grating to fiber-optic grating sensor Real-Time Monitoring, the real time data that receives is obtained and early warning and alarming threshold value compares through demodulation analysis process software, result is relatively greater than threshold range, then demodulation analysis process software sends event early warning and warning message, simultaneously by real time data timing stored in monitoring parameter database;
Step 4: trend analysis, multi-parameter association analysis and comparative analysis are carried out to the data in monitoring parameter database;
Step 5: in conjunction with coal mine roadway and work plane relevant parameter with analyze after situation, software will do following functions process, one is the integrated forecasting situation exporting underground coal mine danger, two is the monitoring curves showing coal mine downhole safety parameter in real time, three is carry out data information sharing by colliery LAN, four is generate group financial statements, and five is carry out historical query; By taking safety measures, closely realize safety of coal mines High-efficient Production.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310282744.2A CN103362553B (en) | 2013-07-08 | 2013-07-08 | Coal Mine Underground Safety Comprehensive Monitoring System Based on Fiber Bragg Grating Sensor |
| AU2014289871A AU2014289871B2 (en) | 2013-07-08 | 2014-01-27 | Optical fiber grating sensor-based coal mine underground safety comprehensive monitoring system |
| RU2016103786A RU2623392C1 (en) | 2013-07-08 | 2014-01-27 | Ongoing monitoring comprehensive system for safety in underground coal mines with the use of fiber-optical sensors made on the basis of the lattice |
| PCT/CN2014/071569 WO2015003488A1 (en) | 2013-07-08 | 2014-01-27 | Optical fiber grating sensor-based coal mine underground safety comprehensive monitoring system |
| ZA2016/00831A ZA201600831B (en) | 2013-07-08 | 2016-02-05 | Optical fiber grating sensor-based coal mine underground safety comprehensive monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310282744.2A CN103362553B (en) | 2013-07-08 | 2013-07-08 | Coal Mine Underground Safety Comprehensive Monitoring System Based on Fiber Bragg Grating Sensor |
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| Publication Number | Publication Date |
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| CN103362553A CN103362553A (en) | 2013-10-23 |
| CN103362553B true CN103362553B (en) | 2015-06-10 |
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| CN201310282744.2A Active CN103362553B (en) | 2013-07-08 | 2013-07-08 | Coal Mine Underground Safety Comprehensive Monitoring System Based on Fiber Bragg Grating Sensor |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN103362553B (en) |
| AU (1) | AU2014289871B2 (en) |
| RU (1) | RU2623392C1 (en) |
| WO (1) | WO2015003488A1 (en) |
| ZA (1) | ZA201600831B (en) |
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|---|---|---|---|---|
| CN111308121A (en) * | 2020-03-19 | 2020-06-19 | 中国矿业大学 | Coal mine tunnel wind speed measuring device based on fiber bragg grating and measuring method thereof |
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| CN103362553B (en) * | 2013-07-08 | 2015-06-10 | 中国矿业大学 | Coal Mine Underground Safety Comprehensive Monitoring System Based on Fiber Bragg Grating Sensor |
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| RU2623392C1 (en) | 2017-06-26 |
| CN103362553A (en) | 2013-10-23 |
| WO2015003488A1 (en) | 2015-01-15 |
| AU2014289871A1 (en) | 2016-02-25 |
| ZA201600831B (en) | 2017-03-29 |
| AU2014289871B2 (en) | 2017-03-23 |
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