CN103362553A - 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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- CN103362553A CN103362553A CN2013102827442A CN201310282744A CN103362553A CN 103362553 A CN103362553 A CN 103362553A CN 2013102827442 A CN2013102827442 A CN 2013102827442A CN 201310282744 A CN201310282744 A CN 201310282744A CN 103362553 A CN103362553 A CN 103362553A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 107
- 239000003245 coal Substances 0.000 title claims abstract description 74
- 239000000835 fiber Substances 0.000 claims abstract description 52
- 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 11
- 238000004458 analytical method Methods 0.000 claims description 22
- 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 8
- 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
- 238000010586 diagram Methods 0.000 description 3
- 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
- 238000000605 extraction Methods 0.000 description 2
- 230000002265 prevention Effects 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
- 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
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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
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- 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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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, the China's coal-mine industry obtains developing better faster.As the basis of other industrial trade development of China, the safety in production in colliery is being brought into play very important effect to the raising of social progress and national economy.But, continuous increase along with the coal mining degree of depth, the strata behaviors in colliery and safety of coal mines pressure are more obvious, the disaster that causes is also more and more serious, such as accident frequent occurrences such as roof collapse, roadway deformation, impulsion pressure, gas explosion, mine water inrush, coal-mine fires, therefore, cause huge loss for the coal mining of China, had a strong impact on practitioner's life security and mine production.Be pressed in the line monitor and early warning system if set up an advanced person's ore deposit, just the generation of ore deposit pressure accident is prevented and reduced to energy effective monitoring working surface production effectively.
Some have obtained certain development for the product facility of coal mine downhole safety monitoring field exploitation at present, such as adopting monolithic processor controlled vibrating string type sensor, resistance strain-gauge transducer, gas sensor etc.Monitoring means under the coal mine mainly is included under the coal mine fully mechanized mining supporter pressure sensor is installed on the fully-mechanized mining working surface hydraulic support, at back the roof delamination sensor is installed, the bearing stress sensor is installed in coal and rock, on the supporting roadway surrounding rock anchor pole skyhook strain gauge, arrange firedamp sensor at work plane, arrange temperature pick up in the 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, can't satisfy the requirement of long term monitoring; 3, independently arrange and manually read or the 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 objective of the invention is in order to adapt to present safety of coal mines High-efficient Production, satisfy the coal mine downhole safety needs, provide that a kind of monitoring effect is good, certainty of measurement is high, good reliability, anti-electromagnetic interference capability is strong, but the coal mine downhole safety comprehensive monitor system based on fiber-optic grating sensor of real-time online long term monitoring.
Technical scheme: purpose 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 down-hole 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 the static (FBG) demodulator of fiber grating is by mining transmission cable connecting downhole part; Described down-hole part comprises array of photoswitch, work plane safety monitoring subsystem and tunnel safety monitoring subsystem; Be connected with work plane safety monitoring subsystem by the passage of communication optical fiber with array of photoswitch, described work plane safety monitoring subsystem comprises a work plane monitoring base station at least, wherein each work plane monitoring base station comprises a survey station at least, the corresponding one group of fiber-optic grating sensor of each survey station, described one group of fiber-optic grating sensor comprises fiber grating poppet pressure sensor, fiber grating firedamp sensor, fiber-optical grating temperature sensor; Be connected with the tunnel safety monitoring subsystem by communication optical fiber another passage with array of photoswitch, described tunnel safety monitoring subsystem comprises a tunnel monitor base station at least, wherein each tunnel monitor base station comprises a survey station at least, the corresponding one group of fiber-optic grating sensor of each survey station, described one group of 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; Under coal mine, layout, install the fiber-optic grating sensor in work plane safety monitoring subsystem and the 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 is connected with computer data processing system by network interface or RS232 interface or USB interface.
Moreover, the embedded demodulation analysis process software of described computer data processing system, and have such as lower module:
(a) input module comprises the input of mine parameter, 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 the fully-mechanized mining working surface hydraulic support, and with pushing ahead of work plane, the working resistance of Real-Time Monitoring hydraulic support is for design and the management of studying rational support-Relationship Between Face Supports And Surrounding, Roof Control provides foundation;
Described fiber grating firedamp sensor is arranged in the fully-mechanized mining working, and the content of monitoring face upper corner gas is realized the safety in production in colliery, for the safety in production of coal and gas outburst risk mine provides support and foundation;
Described fiber-optical grating temperature sensor is arranged in the working face face goaf, the temperature monitoring in the work plane goaf, and the variations in temperature in the Real-Time Monitoring goaf provides the data basis of reliability for preventing goaf fire and spontaneous combustionof coal.
Described fiber grating drilling hole stress sensor is arranged in the leading coal body in tunnel, work plane two ends, the monitoring roof strata is in relatively stable and remarkable motion overall process, abutment pressure is apparent in the change procedure in the stress field, change the ore deposit pressure problem of make a strategic decision foundation is provided for the foundation abutment pressure distributes and shifts, such as peak pressure distributing position, scope, roof weighting long term, mid-range forecast;
Described fiber grating delamination monitoring sensor is arranged in the roadway supported by bolt roof strata, in the monitoring roof bolting scope and the outer absciss layer value situation of change of anchoring scope and trend, for the monitoring of the aggregate motion situation of the stability of roadway supported by bolt top board and overlying rock provides foundation;
Described fiber grating air velocity transducer is arranged in the tunnel, ventilation and ventilation speed in the monitoring coal mine roadway, each mine ventilation return airway, air port that is applicable to have under the coal mine gas explosion danger etc. located, but the wind speed in the above-mentioned place of continuous monitoring, air force, can carry out Real-Time Monitoring to the wind speed air quantity in tunnel of living in, for the extraction of gas in the highly gassy mine and the ventilation of the dirty gas in the tunnel provide foundation;
Described fiber grating anchor cable strain gauge and described optical fiber grating anchor stress sensor are arranged in the rock stratum, tunnel, size and the distribution situation of axial force when monitoring anchor pole and anchor cable are worked in the monitoring bolting and rope support tunnel, for the STABILITY MONITORING of 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 the tunnel, and the water yield in the Real-Time Monitoring tunnel for high gushing water tunnel mine provides foundation, prevents the generation of mine water inrush accident, to the prediction and prevention research generation significance of coal mine flood.
The treatment step of described demodulation analysis process software is:
Step 1: 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: the safety of coal mines data of fiber-optic grating sensor Real-Time Monitoring are carried out demodulation by the static (FBG) demodulator of fiber grating, the real time data and the early warning and alarming threshold value that obtain receiving through the demodulation analysis process software compare, result relatively is greater than threshold range, then the demodulation analysis process software sends event early warning and warning message, regularly deposits real time data in the monitoring parameter database simultaneously;
Step 4: the data in the monitoring parameter database are carried out trend analysis, multi-parameter association analysis and comparative analysis;
Step 5: in conjunction with the relevant parameter of coal mine roadway and work plane and the situation after the analysis, software will be made following functions and process, the one, dangerous integrated forecasting situation under the output coal mine, the 2nd, show in real time the monitoring curve of coal mine downhole safety parameter, the 3rd, carry out data information sharing by the colliery LAN, the 4th, generate group financial statements, the 5th, carry out historical query; By taking safety measures, thereby realize the safety of coal mines High-efficient Production.
Beneficial effect is owing to adopted such scheme, the present invention to utilize the multiple light fiber grating sensor to carry out the coal mine downhole safety comprehensive monitoring, adopt many survey stations, the down-hole multi-parameter monitoring, multisensor and usefulness are take optical fiber as transport vehicle, the integrated optical fiber grating sensor, monitoring effect is good, certainty of measurement is high, good reliability, and anti-electromagnetic interference capability is strong, the monitored data error is little, it is little, stable affected by environment for use; Fiber-optic grating sensor essential safety, full mine adopt full photo measure and optical fiber to carry out the signal transmission, need not power, and guarantee production safety and workman's personal safety under the coal mine; System of the present invention realizes the long-term on-line monitoring of real-time continuous, and have early warning and warning function, comprehensive monitoring and danger forecasting result under the coal mine can in time be provided, also realized the data sharing in full mining area, the aboveground personnel's very first time that is conducive to the colliery is understood the running status under the coal mine, in order to better instruct the safety in production in colliery, can effectively reduce the generation of mine safety accidents, realize the 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, effectively prevent and reduce the generation of coal mining accident, realize the safety of coal mines High-efficient Production.
Advantage: fiber-optic grating sensor is applied to the colliery, has that essential safety, certainty of measurement are high, antijamming capability is strong, but the advantage of the little real-time online long term monitoring of monitored data error.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, effectively prevent and reduce the generation of coal mining accident, realize the safety of coal mines High-efficient Production.
Description of drawings
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.
The specific embodiment
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 down-hole 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 the static (FBG) demodulator of fiber grating is by mining transmission cable connecting downhole part; Described down-hole part comprises array of photoswitch, work plane monitoring subsystem and tunnel monitor subsystem; Be connected with work plane safety monitoring subsystem by the passage of communication optical fiber with array of photoswitch, described work plane monitoring subsystem comprises a work plane monitoring base station at least, wherein each work plane monitoring base station comprises a survey station at least, the corresponding one group of fiber-optic grating sensor of each survey station, described one group of 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 the tunnel safety monitoring subsystem by communication optical fiber another passage with array of photoswitch, described tunnel monitor subsystem comprises a tunnel monitor base station at least, wherein each tunnel monitor base station comprises a survey station at least, the corresponding one group of fiber-optic grating sensor of each survey station, described one group of 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 according to the occurrence characteristics of coal rock layer and physico-mechanical properties, layouts under coal mine, installs the fiber-optic grating sensor in work plane safety monitoring subsystem and the tunnel safety monitoring subsystem, carries out the monitoring of safety of coal mines parameter.
In the work plane safety monitoring subsystem: fiber grating poppet pressure sensor is arranged on the fully-mechanized mining working surface hydraulic support, with pushing ahead of work plane, the working resistance of Real-Time Monitoring hydraulic support is for design and the management of studying rational support-Relationship Between Face Supports And Surrounding, Roof Control provides foundation.
The fiber grating firedamp sensor is arranged in the fully-mechanized mining working, is used for the content of monitoring face upper corner gas, realizes the safety in production in colliery, for the safety in production of coal and gas outburst risk mine provides support and foundation.
Fiber-optical grating temperature sensor is arranged in the working face face goaf, is used for the temperature monitoring in the work plane goaf, and the variations in temperature in the Real-Time Monitoring goaf provides the data basis of reliability for preventing goaf fire and spontaneous combustionof coal.
In the tunnel safety monitoring subsystem: the fiber grating drilling hole stress sensor is arranged in the 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 the stress field, change the ore deposit pressure problem of make a strategic decision foundation is provided for the foundation abutment pressure distributes and shifts, such as peak pressure distributing position, scope, roof weighting long term, mid-range forecast.
Fiber grating delamination monitoring sensor is arranged in the roadway supported by bolt roof strata, be used in the monitoring roof bolting scope and the outer absciss layer value situation of change of anchoring scope and trend, for the monitoring of the aggregate motion situation of the stability of roadway supported by bolt top board and overlying rock provides foundation.
The fiber grating air velocity transducer is arranged in the tunnel, be used for ventilation and ventilation speed in the monitoring coal mine roadway, each mine ventilation return airway, air port that is applicable to have under the coal mine gas explosion danger etc. located, but the wind speed in the above-mentioned place of continuous monitoring, air force, can carry out Real-Time Monitoring to the wind speed air quantity in tunnel of living in, for the extraction of gas in the highly gassy mine and the ventilation of the dirty gas in the tunnel provide foundation.
Fiber grating anchor cable strain gauge and optical fiber grating anchor stress sensor are arranged in the rock stratum, tunnel, size and the distribution situation of axial force when being used for monitoring anchor pole and anchor cable work in the monitoring bolting and rope support tunnel, for the STABILITY MONITORING of back provides reliable theoretical foundation, ensure the stable of roadway surrounding rock, prevent the accidents such as country rock large area caving.
The fiber grating hydraulic pressure sensor is arranged in the tunnel, is used for the water yield in the Real-Time Monitoring tunnel, for high gushing water tunnel mine provides foundation, prevents the generation of mine water inrush accident, to the prediction and prevention research generation significance of coal mine flood.
Fig. 4 is that the demodulation analysis process software carries out the process schematic diagram that data are processed, and the processing procedure of demodulation analysis process software can follow these steps to carry out:
Step 1: fiber-optic grating sensor used under the 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: the safety of coal mines data of fiber-optic grating sensor Real-Time Monitoring are carried out demodulation by the static (FBG) demodulator of fiber grating, the real time data and the early warning and alarming threshold value that obtain receiving through the demodulation analysis process software compare, result relatively is greater than threshold range, then the demodulation analysis process software sends event early warning and warning message, regularly deposits real time data in the monitoring parameter database simultaneously;
Step 4: the data in the monitoring parameter database are carried out trend analysis, multi-parameter association analysis and comparative analysis;
Step 5: in conjunction with the relevant parameter of coal mine roadway and work plane and the situation after the analysis, software will be made following functions and process, the one, dangerous integrated forecasting situation under the output coal mine, the 2nd, show in real time the monitoring curve of coal mine downhole safety parameter, the 3rd, carry out data information sharing by the colliery LAN, the 4th, generate group financial statements, the 5th, carry out historical query.
By adopting above-mentioned scheme, carry out many survey stations, multi-parameter monitoring, the integrated optical fiber grating sensor, take optical fiber as transport vehicle, anti-electromagnetic interference capability is strong, and it is little affected by environment for use, stable, realize the long-term on-line monitoring of real-time continuous, and have early warning and warning function, comprehensive monitoring and danger forecasting result under the coal mine can in time be provided, and realize the data sharing in full mining area, make the running status under the colliery leader very first time understanding coal mine, closely take safety measures, better instruct the safety in production in colliery, thereby realize the safety of coal mines High-efficient Production.
Claims (4)
1. based on the coal mine downhole safety comprehensive monitor system of fiber-optic grating sensor, it is characterized in that: comprise aboveground part and down-hole 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 the static (FBG) demodulator of fiber grating is by mining transmission cable connecting downhole part; Described down-hole part comprises array of photoswitch, work plane safety monitoring subsystem and tunnel safety monitoring subsystem; Be connected with work plane safety monitoring subsystem by the passage of communication optical fiber with array of photoswitch, described work plane safety monitoring subsystem comprises a work plane monitoring base station at least, wherein each work plane monitoring base station comprises a survey station at least, the corresponding one group of fiber-optic grating sensor of each survey station, described one group of fiber-optic grating sensor comprises fiber grating poppet pressure sensor, fiber grating firedamp sensor, fiber-optical grating temperature sensor; Be connected with the tunnel safety monitoring subsystem by communication optical fiber another passage with array of photoswitch, described tunnel safety monitoring subsystem comprises a tunnel monitor base station at least, wherein each tunnel monitor base station comprises a survey station at least, the corresponding one group of fiber-optic grating sensor of each survey station, described one group of 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; Under coal mine, layout, install the fiber-optic grating sensor in work plane safety monitoring subsystem and the tunnel safety monitoring subsystem, carry out the monitoring of safety of coal mines parameter.
2. according to claims 1 described coal mine downhole safety comprehensive monitor system based on fiber-optic grating sensor, it is characterized in that: 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.
3. according to claims 1 described coal mine downhole safety comprehensive monitor system based on fiber-optic grating sensor, it is characterized in that: the embedded demodulation analysis process software of described computer data processing system, and have such as lower module:
(a) input module comprises the input of mine parameter, 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.
4. according to claims 1 described coal mine downhole safety comprehensive monitor system based on fiber-optic grating sensor, it is characterized in that: the treatment step of described demodulation analysis process software is:
Step 1: 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: the safety of coal mines data of fiber-optic grating sensor Real-Time Monitoring are carried out demodulation by the static (FBG) demodulator of fiber grating, the real time data and the early warning and alarming threshold value that obtain receiving through the demodulation analysis process software compare, result relatively is greater than threshold range, then the demodulation analysis process software sends event early warning and warning message, regularly deposits real time data in the monitoring parameter database simultaneously;
Step 4: the data in the monitoring parameter database are carried out trend analysis, multi-parameter association analysis and comparative analysis;
Step 5: in conjunction with the relevant parameter of coal mine roadway and work plane and the situation after the analysis, software will be made following functions and process, the one, dangerous integrated forecasting situation under the output coal mine, the 2nd, show in real time the monitoring curve of coal mine downhole safety parameter, the 3rd, carry out data information sharing by the colliery LAN, the 4th, generate group financial statements, the 5th, carry out historical query; By taking safety measures, closely realize the 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 |
| PCT/CN2014/071569 WO2015003488A1 (en) | 2013-07-08 | 2014-01-27 | Optical fiber grating sensor-based coal mine underground safety comprehensive monitoring system |
| 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 |
| 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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| CN103362553A true CN103362553A (en) | 2013-10-23 |
| CN103362553B 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 |
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|---|---|
| CN (1) | CN103362553B (en) |
| AU (1) | AU2014289871B2 (en) |
| RU (1) | RU2623392C1 (en) |
| WO (1) | WO2015003488A1 (en) |
| ZA (1) | ZA201600831B (en) |
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| CN103510986A (en) * | 2013-10-25 | 2014-01-15 | 中国矿业大学 | Tunnel roof separation dynamic monitoring system based on fiber bragg grating and early-warning method thereof |
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| WO2015003488A1 (en) * | 2013-07-08 | 2015-01-15 | 中国矿业大学 | Optical fiber grating sensor-based coal mine underground safety comprehensive monitoring system |
| CN104343466A (en) * | 2014-10-15 | 2015-02-11 | 中国科学院合肥物质科学研究院 | All-fiber coal mine safety monitoring system |
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Also Published As
| Publication number | Publication date |
|---|---|
| RU2623392C1 (en) | 2017-06-26 |
| AU2014289871A1 (en) | 2016-02-25 |
| AU2014289871B2 (en) | 2017-03-23 |
| WO2015003488A1 (en) | 2015-01-15 |
| ZA201600831B (en) | 2017-03-29 |
| CN103362553B (en) | 2015-06-10 |
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