CN106224005B - A kind of monitoring method based on long-range electric data interaction electric signal transmission - Google Patents
A kind of monitoring method based on long-range electric data interaction electric signal transmission Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000003993 interaction Effects 0.000 title claims abstract description 12
- 230000008054 signal transmission Effects 0.000 title claims abstract description 9
- 238000004458 analytical method Methods 0.000 claims abstract description 35
- 239000011435 rock Substances 0.000 claims abstract description 28
- 238000005516 engineering process Methods 0.000 claims abstract description 12
- 230000007547 defect Effects 0.000 claims abstract description 11
- 238000013178 mathematical model Methods 0.000 claims abstract description 4
- 239000003245 coal Substances 0.000 claims description 107
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 44
- 238000012806 monitoring device Methods 0.000 claims description 26
- 238000012423 maintenance Methods 0.000 claims description 20
- 230000005670 electromagnetic radiation Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 12
- 230000008014 freezing Effects 0.000 claims description 12
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- 238000012545 processing Methods 0.000 claims description 12
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- 238000005452 bending Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
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- 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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- H—ELECTRICITY
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Abstract
The present invention provides a kind of monitoring method based on long-range electric data interaction electric signal transmission, and collected data are passed through and are arranged, are compared with the preset threshold value of early warning value presetting module, issue warning information when collected data exceed preset threshold value；The data information of acquisition, comparison information and warning information are stored in server simultaneously；According to rock blast hazard feature, building Early-warning Model, the indexs such as objective danger, precautionary measures defect and management defect occur from disaster and sentence knowledge analysis mathematical model, and related early warning technology and system are formed based on downhole sensor, ground-based server, basic data information platform etc..The invention utilizes big data technology, carries out rock blast hazard from process and prevents early warning, it is therefore prevented that the loophole of each link ensure that the success rate of early warning prevention.
Description
Technical field
The present invention relates to mine gas prevention and control fields more particularly to a kind of based on long-range electric data interaction electric signal transmission
Monitoring method.
Background technique
In terms of energy demand angle, China will not change in the energy pattern short time based on coal, coal specific gravity compared with
It will remain in 50% or so in long-time, and coal mining 95% or so is based on the pit mining of underground.Currently, coal mining is with every
The speed in 10 ~ 20m of year extends to deep, and deep mining has been increasingly becoming normality in the central and east, and brings new coal petrography gas
Dynamic disaster problem.Mine coal rock gas dynamic disaster most typical two kinds of forms of expression in China's are coal and gas prominent and impact
Ground pressure, but central and east coal seam containing gas dynamic disaster shows a kind of dual dynamic with Burst Tendency and outburst hazard
Learn characteristic, bump single by superficial part, independent or coal and gas prominent be changed into it is compound, the various dynamic disasters of coal petrography it
Between interaction reinforce, coal rock gas dynamic disaster feature becomes complicated and multiplicity, and it is main, new to have become coal mine one kind
The safety hazard of type.Durings breeding, exciting, develop etc., many factors are interweaved compound coal rock gas dynamic disaster,
It mutually induces, strengthen, so that the condition occurred is lower, disaster intensity is bigger, causes calamity degree more serious, so that genesis mechanism is more
Complexity, prediction, early warning and prevention and treatment are more difficult.But compound coal rock gas dynamic disaster early warning prevention aspect has only carried out just at present
The early warning prevention technique using coal and gas prominent and bump of step research or machinery, not yet forms oneself independent early warning
Prevention technique.
Summary of the invention
In order to overcome the deficiencies in the prior art described above, the object of the present invention is to provide one kind based on long-range electric data
The monitoring method of alternating electrical signal transmission, method include:
S1: according to bump dynamic disaster feature, be arranged underground coal mine stress in coal bed value in digging production process, watt
This concentration roof pressure value, acoustic emission energy and amplitude, electromagnetic radiation intensity and pulse value, microseism region energy, earthquake magnitude and thing
Number of packages evidence, the dynamic failure event data of coal, the early warning value range of elastic energy data；
S2: drawing coal-bed gas geologic map, draws gas bearing capacity distribution map, passes through coal-bed gas geologic map and gas bearing capacity
Sensor position is arranged in distribution map, obtains coal-bed gas data information stress of coal seam information and setting prewarning area；By early warning
Region division is no danger of burst area, stress concentration region three times distance without danger area, bit freezing danger area, spray orifice danger area, sound
Coal big gun danger area；
S3: underground coal mine stress in coal bed value, gas density roof pressure value, acoustic emission energy and the vibration of prewarning area are acquired
Width, electromagnetic radiation intensity and pulse value, microseism region energy, earthquake magnitude and event data, the dynamic failure event data of coal, elasticity
Energy datum, for no danger of burst area, stress concentration region three times distance without danger area, bit freezing danger area, spray orifice danger area,
Ring the coal road surrounding coal wall face that exposes for a long time in coal big gun danger area, new exposure coal road surrounding coal wall face, working face newly exposed coal wall
Face, coal breakage acquire gas data information；And it is uploaded to server；
S4: the data that server will acquire are compared by arrangement with the preset threshold value of early warning value presetting module, when
Collected data issue warning information when exceeding preset threshold value；Simultaneously by the data information of acquisition, comparison information and pre-
Alert information is stored in server, and objective danger, precautionary measures defect and management defect occurs from disaster and constructs early warning number
According to library, warning index and sentence knowledge analysis mathematical model, critical value, carries out coal petrography bump dynamic disaster comprehensive pre-warning；
S5: the data information of acquisition, comparison information and warning information are sent to display screen, computer by wireless network
Terminal, mobile terminal.
Preferably, S3 method further include:
Stress in coal bed sensor based on working face stress in coal bed variable signal gushes out concentration change with face gas
Change the gas concentration monitoring sensor based on signal, can reflect the roof pressure monitoring based on face roof pressure change
System, can reflect working face coal and rock rupture acoustical signal variation based on acoustic emission monitor(ing) sensor, can reflect working face coal
Rock masses fracturing electromagnetic radiation variation based on electromagnetic radiation monitoring device, can reflect working face coal and rock rupture microseismic event become
Turn to the microseismic monitoring sensor on basis, the dynamic failure event data monitoring device of coal, elastic energy data monitoring device, punching
Hit energy datum monitoring device, uniaxial compressive strength data monitoring device, bending energy data monitoring device.
Preferably, S4 method further include:
Server stores mining gas-geology geographic information data；
Server stores mining gas-geology service attribute data；
Server maintenance and the live underground palegeology information data of analysis and geology service attribute data；And according to dynamic
Prediction technique carries out the Gas dynamic prediction of working face, and prediction result is shown in graph form, and to face gas
Gush out to transfinite and carry out early warning, analysis working face gushes out the reason that transfinites, and provides control measures；
The region that server divides data pickup area division module forms geographical graphic, and provide for user modify with
And input function, geographical data and service attribute data are stored in storage processing module；
Server is to coal seam parameter, Gas explosion burns, geological structure parameter, the maintenance function of mash gas pumping drilling information, number
According to being stored in coalbed gas geology service properties database, it can be achieved that multi-department information is shared；
All kinds of isopleth data in server maintenance and dynamic analysis geographical graphic realize that protective layer opens analysis, prominent danger
Dangerous regional prediction and coalbed gas geology information searching function；
Server gushes out dynamic prediction to face gas, to gush out super-limit prewarning analysis, to transfinite reason and administer arrange
Intellectual analysis is applied, the dotted line of outburst amount is inquired.
Preferably, S5 method further include:
The data information of acquisition, the data information of analysis and the data information of database purchase, import information are shared flat
Platform；By information sharing platform, operating system and database management platform, Safety monitoring system-based platform and safety monitoring
Monitor system software platform is top service there are lower layer between each level and provides the relationship of interactive interface, whole to establish
On hardware platform and the network platform, realized and bottom hardware facility and monitoring by operating system and data base management system
The interaction of monitoring device, distributed storage is top in Safety monitoring system-based platform after interactive information is handled
Safety monitoring system software platform realizes the browsing and processing to these interactive information by different functional subsystems, and
Control information is issued to operating system and data base management system platform through Safety monitoring system-based platform.
Preferably, S4 method further include:
Use Geologic Advance Prediction Technology and geological radar technology for the design and security monitoring of working face and tunnel trend
The foundation of system provides geology advance information foundation；The detection of transient state multiple tracks surface wave is carried out for finished jobs region, determines country rock
Relaxation zone range；When to finished jobs region detection, microseism and monitoring of blasting vibration and rock mass acoustic detection are carried out, is carried out
Microseism is accurately positioned, to the timely early warning of unusual condition and alarm.
Preferably, S3 method further include:
Image acquisition device acquisition without danger of burst area, stress concentration region three times distance without danger area, bit freezing danger area, spray
Hole danger area, the area image for ringing coal big gun danger area；
Image encoder exports constricted zone image to the area image compressed encoding；
Constricted zone image is sent to ground acquisition device, ground acquisition dress by explosion-proof interchanger by image transmission module
Constricted zone image is sent to server by the interchanger set.
Preferably, S4 method further include:
Image decoder obtains the scene image to the constricted zone image decoding；
The pixel grey scale threshold value of area image presetting module setting area image, human body gray scale upper limit threshold, human body gray scale
Lower threshold, presetted pixel amount threshold and make a reservation for minimum personnel amount；
Image human body processing module is to no danger area, bit freezing danger area, spray orifice danger area, the administrative division map for ringing coal big gun danger area
As carrying out fire analysis and human bioequivalence analysis, by the gray value of each pixel in the area image and intended pixel gray scale
Threshold value comparison calculates the pixel quantity that gray value is more than or equal to intended pixel gray threshold, by gray value in the area image
Pixel between human body gray scale upper limit threshold and human body gray scale lower threshold identifies and forms human body target image, calculates human body
The quantity of target image；
Area image processing module is used to gas standby signal is issued, at described watt when the gas density is greater than 1%
When this concentration is greater than 1.5%, methane prediction signal is issued, when the gas density is greater than 2%, issues gas alarming signal,
When the gas density is greater than 5%, issues gas and be on the verge of detonator signal；It is greater than presetted pixel quantity threshold in the pixel quantity
When value, fire behavior alarm signal is issued, when the quantity of the human body target image is less than or equal to make a reservation for minimum personnel amount, is issued
Live shortage of staff's standby signal；
Data disaply moudle is used to show the data information of the transmission of each sensor, gas density data information, region
Image information, and detonator signal, fire are on the verge of receiving gas standby signal, methane prediction signal, gas alarming signal, gas
When feelings alarm signal, live shortage of staff's standby signal, real-time display and gas standby signal, methane prediction signal, gas alarming are believed
Number, gas be on the verge of detonator signal, fire behavior alarm signal, the corresponding text prompt information of live shortage of staff's standby signal；Going out
Existing gas standby signal, methane prediction signal, gas alarming signal, gas are on the verge of detonator signal, fire behavior alarm signal, scene lack
When people's standby signal, real-time display and gas standby signal, methane prediction signal, gas alarming signal, gas are on the verge of explosion letter
Number, fire behavior alarm signal, live shortage of staff's standby signal when, show corresponding regional location, and network is sent by wireless communication
Computer terminal, mobile terminal to maintenance maintenance personnel.
Preferably, S4 method further include:
Detonator signal, fire behavior report are on the verge of there is gas standby signal, methane prediction signal, gas alarming signal, gas
When alert signal, live shortage of staff's standby signal, real-time display and gas standby signal, methane prediction signal, gas alarming signal, watt
This is on the verge of detonator signal, fire behavior alarm signal, live shortage of staff's standby signal, coal seam thickness variation, geological structure exception, Gao Wa
This, impact warning message when, show corresponding regional location, and network is sent to the electricity of maintenance maintenance personnel by wireless communication
Brain terminal, mobile terminal.
As can be seen from the above technical solutions, the invention has the following advantages that
By the coal petrography bump dynamic disaster early warning technology of invention, from disaster objective danger, control measure defect
And disaster prewarning and forecasting is carried out in terms of management risk three, the comprehensive process control of disaster is realized, and pass through the impact of invention
Early warning based data service device, warning index are sentenced and know analysis system and coal mine safety monitoring system by underground hazard early warning system
Connection realizes the intelligent early-warning of bump dynamic disaster and the network of result, mobile phone publication.
Using the monitoring method based on long-range electric data interaction electric signal transmission, from disaster objective danger, precautionary measures
Defect and management defect etc. building warning index are sentenced and know analysis model and early warning system, are refined from process, in real time
Change and intelligent management and disaster alarm.It has filled up compound coal rock gas dynamic disaster early warning technology to lack, enhance compound
Type coal rock gas dynamic disaster early warning prevention, reduces compound disaster occurrence injury.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in description will be made below simple
Ground introduction, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill
For personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow chart of the monitoring method based on long-range electric data interaction electric signal transmission.
Specific embodiment
It in order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below will be with specific
Examples and drawings, the technical solution protected to the present invention are clearly and completely described, it is clear that implementation disclosed below
Example is only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in this patent, the common skill in this field
Art personnel all other embodiment obtained without making creative work belongs to the model of this patent protection
It encloses.
The present embodiment provides a kind of monitoring methods based on long-range electric data interaction electric signal transmission, as shown in Figure 1, method
Include:
S1: according to bump dynamic disaster feature, be arranged underground coal mine stress in coal bed value in digging production process, watt
This concentration roof pressure value, acoustic emission energy and amplitude, electromagnetic radiation intensity and pulse value, microseism region energy, earthquake magnitude and thing
Number of packages evidence, the dynamic failure event data of coal, the early warning value range of elastic energy data；
S2: drawing coal-bed gas geologic map, draws gas bearing capacity distribution map, passes through coal-bed gas geologic map and gas bearing capacity
Sensor position is arranged in distribution map, obtains coal-bed gas data information stress of coal seam information and setting prewarning area；By early warning
Region division is no danger of burst area, stress concentration region three times distance without danger area, bit freezing danger area, spray orifice danger area, sound
Coal big gun danger area；
S3: underground coal mine stress in coal bed value, gas density roof pressure value, acoustic emission energy and the vibration of prewarning area are acquired
Width, electromagnetic radiation intensity and pulse value, microseism region energy, earthquake magnitude and event data, the dynamic failure event data of coal, elasticity
Energy datum, for no danger of burst area, stress concentration region three times distance without danger area, bit freezing danger area, spray orifice danger area,
Ring the coal road surrounding coal wall face that exposes for a long time in coal big gun danger area, new exposure coal road surrounding coal wall face, working face newly exposed coal wall
Face, coal breakage acquire gas data information；And it is uploaded to server；
S4: the data that server will acquire are compared by arrangement with the preset threshold value of early warning value presetting module, when
Collected data issue warning information when exceeding preset threshold value；Simultaneously by the data information of acquisition, comparison information and pre-
Alert information is stored in server, and objective danger, precautionary measures defect and management defect occurs from disaster and constructs early warning number
According to library, warning index and sentence knowledge analysis mathematical model, critical value, carries out coal petrography bump dynamic disaster comprehensive pre-warning；
S5: the data information of acquisition, comparison information and warning information are sent to display screen, computer by wireless network
Terminal, mobile terminal.
In the present embodiment, S3 method further include:
Stress in coal bed sensor based on working face stress in coal bed variable signal gushes out concentration change with face gas
Change the gas concentration monitoring sensor based on signal, can reflect the roof pressure monitoring based on face roof pressure change
System, can reflect working face coal and rock rupture acoustical signal variation based on acoustic emission monitor(ing) sensor, can reflect working face coal
Rock masses fracturing electromagnetic radiation variation based on electromagnetic radiation monitoring device, can reflect working face coal and rock rupture microseismic event become
Turn to the microseismic monitoring sensor on basis, the dynamic failure event data monitoring device of coal, elastic energy data monitoring device, punching
Hit energy datum monitoring device, uniaxial compressive strength data monitoring device, bending energy data monitoring device.
Stress in coal bed sensor based on working face stress in coal bed variable signal gushes out concentration change with face gas
Change the gas concentration monitoring sensor based on signal, can reflect the roof pressure monitoring based on face roof pressure change
System, can reflect working face coal and rock rupture acoustical signal variation based on acoustic emission monitor(ing) sensor, can reflect working face coal
Rock masses fracturing electromagnetic radiation variation based on electromagnetic radiation monitoring device, can reflect working face coal and rock rupture microseismic event become
Turn to the microseismic monitoring sensor on basis, the dynamic failure event data monitoring device of coal, elastic energy data monitoring device, punching
Hit energy datum monitoring device, uniaxial compressive strength data monitoring device, bending energy data monitoring device.Based on long-range electric number
It is to lack early warning technology and system problem for compound coal rock gas dynamic disaster according to the monitoring method that alternating electrical signal transmits,
Quantify occurrence condition and precautionary measures feature according to compound coal rock gas dynamic disaster uniqueness, establish disaster basic database,
Establish disaster dynamic analysis system, geology digging dynamic management system, disaster prevention comprising factors such as gas, stress and geology
Measure management system, gas density monitor partial analysis system in real time, using Internet technology, by early warning based data service
Device, warning index, which are sentenced, knows analysis system and coal mine safety monitoring system connection, forms a set of compound coal rock gas dynamic disaster
Comprehensive real-time system for monitoring and pre-warning.
In the present embodiment, S4 method further include:
Server stores mining gas-geology geographic information data；
Server stores mining gas-geology service attribute data；
Server maintenance and the live underground palegeology information data of analysis and geology service attribute data；And according to dynamic
Prediction technique carries out the Gas dynamic prediction of working face, and prediction result is shown in graph form, and to face gas
Gush out to transfinite and carry out early warning, analysis working face gushes out the reason that transfinites, and provides control measures；
The region that server divides data pickup area division module forms geographical graphic, and provide for user modify with
And input function, geographical data and service attribute data are stored in storage processing module；
Server is to coal seam parameter, Gas explosion burns, geological structure parameter, the maintenance function of mash gas pumping drilling information, number
According to being stored in coalbed gas geology service properties database, it can be achieved that multi-department information is shared；
All kinds of isopleth data in server maintenance and dynamic analysis geographical graphic realize that protective layer opens analysis, prominent danger
Dangerous regional prediction and coalbed gas geology information searching function；
Server gushes out dynamic prediction to face gas, to gush out super-limit prewarning analysis, to transfinite reason and administer arrange
Intellectual analysis is applied, the dotted line of outburst amount is inquired.
In the present embodiment, S5 method further include:
The data information of acquisition, the data information of analysis and the data information of database purchase, import information are shared flat
Platform；By information sharing platform, operating system and database management platform, Safety monitoring system-based platform and safety monitoring
Monitor system software platform is top service there are lower layer between each level and provides the relationship of interactive interface, whole to establish
On hardware platform and the network platform, realized and bottom hardware facility and monitoring by operating system and data base management system
The interaction of monitoring device, distributed storage is top in Safety monitoring system-based platform after interactive information is handled
Safety monitoring system software platform realizes the browsing and processing to these interactive information by different functional subsystems, and
Control information is issued to operating system and data base management system platform through Safety monitoring system-based platform.
In the present embodiment, S4 method further include:
Use Geologic Advance Prediction Technology and geological radar technology for the design and security monitoring of working face and tunnel trend
The foundation of system provides geology advance information foundation；The detection of transient state multiple tracks surface wave is carried out for finished jobs region, determines country rock
Relaxation zone range；When to finished jobs region detection, microseism and monitoring of blasting vibration and rock mass acoustic detection are carried out, is carried out
Microseism is accurately positioned, to the timely early warning of unusual condition and alarm.
In the present embodiment, S3 method further include:
Image acquisition device acquisition without danger of burst area, stress concentration region three times distance without danger area, bit freezing danger area, spray
Hole danger area, the area image for ringing coal big gun danger area；
Image encoder exports constricted zone image to the area image compressed encoding；
Constricted zone image is sent to ground acquisition device, ground acquisition dress by explosion-proof interchanger by image transmission module
Constricted zone image is sent to server by the interchanger set.
In the present embodiment, S4 method further include:
Image decoder obtains the scene image to the constricted zone image decoding；
The pixel grey scale threshold value of area image presetting module setting area image, human body gray scale upper limit threshold, human body gray scale
Lower threshold, presetted pixel amount threshold and make a reservation for minimum personnel amount；
Image human body processing module is to no danger area, bit freezing danger area, spray orifice danger area, the administrative division map for ringing coal big gun danger area
As carrying out fire analysis and human bioequivalence analysis, by the gray value of each pixel in the area image and intended pixel gray scale
Threshold value comparison calculates the pixel quantity that gray value is more than or equal to intended pixel gray threshold, by gray value in the area image
Pixel between human body gray scale upper limit threshold and human body gray scale lower threshold identifies and forms human body target image, calculates human body
The quantity of target image；
Area image processing module is used to gas standby signal is issued, at described watt when the gas density is greater than 1%
When this concentration is greater than 1.5%, methane prediction signal is issued, when the gas density is greater than 2%, issues gas alarming signal,
When the gas density is greater than 5%, issues gas and be on the verge of detonator signal；It is greater than presetted pixel quantity threshold in the pixel quantity
When value, fire behavior alarm signal is issued, when the quantity of the human body target image is less than or equal to make a reservation for minimum personnel amount, is issued
Live shortage of staff's standby signal；
Data disaply moudle is used to show the data information of the transmission of each sensor, gas density data information, region
Image information, and detonator signal, fire are on the verge of receiving gas standby signal, methane prediction signal, gas alarming signal, gas
When feelings alarm signal, live shortage of staff's standby signal, real-time display and gas standby signal, methane prediction signal, gas alarming are believed
Number, gas be on the verge of detonator signal, fire behavior alarm signal, the corresponding text prompt information of live shortage of staff's standby signal；Going out
Existing gas standby signal, methane prediction signal, gas alarming signal, gas are on the verge of detonator signal, fire behavior alarm signal, scene lack
When people's standby signal, real-time display and gas standby signal, methane prediction signal, gas alarming signal, gas are on the verge of explosion letter
Number, fire behavior alarm signal, live shortage of staff's standby signal when, show corresponding regional location, and network is sent by wireless communication
Computer terminal, mobile terminal to maintenance maintenance personnel.
In the present embodiment, S4 method further include:
Detonator signal, fire behavior report are on the verge of there is gas standby signal, methane prediction signal, gas alarming signal, gas
When alert signal, live shortage of staff's standby signal, real-time display and gas standby signal, methane prediction signal, gas alarming signal, watt
This is on the verge of detonator signal, fire behavior alarm signal, live shortage of staff's standby signal, coal seam thickness variation, geological structure exception, Gao Wa
This, impact warning message when, show corresponding regional location, and network is sent to the electricity of maintenance maintenance personnel by wireless communication
Brain terminal, mobile terminal.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment refer to mutually.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (1)
1. a kind of monitoring method based on long-range electric data interaction electric signal transmission, which is characterized in that method includes:
S1: according to bump dynamic disaster feature, the underground coal mine stress in coal bed value, gas in setting digging production process are dense
Spend roof pressure value, acoustic emission energy and amplitude, electromagnetic radiation intensity and pulse value, microseism region energy, earthquake magnitude and event number
According to, the dynamic failure event data of coal, the early warning value range of elastic energy data；
S2: drawing coal-bed gas geologic map, draws gas bearing capacity distribution map, is distributed by coal-bed gas geologic map and gas bearing capacity
Figure setting sensor position obtains coal-bed gas data information stress of coal seam information and setting prewarning area；By prewarning area
Be divided into no danger of burst area, stress concentration region three times distance without danger area, bit freezing danger area, spray orifice danger area, ring coal big gun
Danger area；
S3: acquiring underground coal mine stress in coal bed value, gas density roof pressure value, acoustic emission energy and the amplitude of prewarning area,
Electromagnetic radiation intensity and pulse value, microseism region energy, earthquake magnitude and event data, the dynamic failure event data of coal, elastic energy
Measure data, for no danger of burst area, stress concentration region three times distance without danger area, bit freezing danger area, spray orifice danger area, sound
Coal road surrounding coal wall face is exposed in coal big gun danger area for a long time, new exposure coal road surrounding coal wall face, working face newly expose coal wall face,
Coal breakage acquires gas data information；And it is uploaded to server；
Image acquisition device acquisition without danger of burst area, stress concentration region three times distance without danger area, bit freezing danger area, spray orifice danger
Danger zone, the area image for ringing coal big gun danger area；
Image encoder exports constricted zone image to the area image compressed encoding；
Constricted zone image is sent to ground acquisition device by explosion-proof interchanger by image transmission module, ground acquisition device
Constricted zone image is sent to server by interchanger；
Stress in coal bed sensor based on working face stress in coal bed variable signal gushes out concentration variation letter with face gas
Gas concentration monitoring sensor based on number can reflect roof pressure monitoring system based on face roof pressure change
System, can reflect working face coal and rock rupture acoustical signal variation based on acoustic emission monitor(ing) sensor, can reflect working face coal petrography
Body rupture electromagnetic radiation variation based on electromagnetic radiation monitoring device, can reflect working face coal and rock rupture microseismic event variation
Based on microseismic monitoring sensor, the dynamic failure event data monitoring device of coal, elastic energy data monitoring device, impact
Energy datum monitoring device, uniaxial compressive strength data monitoring device, bending energy data monitoring device；
S4: the data that server will acquire are compared with the preset threshold value of early warning value presetting module by arranging, work as acquisition
To data exceed preset threshold value when issue warning information；The data information of acquisition, comparison information and early warning are believed simultaneously
Breath be stored in server, and from disaster occur objective danger, precautionary measures defect and management defect building warning data storehouse,
Warning index and sentence knowledge analysis mathematical model, critical value, carry out coal petrography bump dynamic disaster comprehensive pre-warning；
Image decoder obtains scene image to the constricted zone image decoding；
The pixel grey scale threshold value of area image presetting module setting area image, human body gray scale upper limit threshold, human body gray scale lower limit
Threshold value, presetted pixel amount threshold and make a reservation for minimum personnel amount；
Image human body processing module to no danger area, bit freezing danger area, spray orifice danger area, ring coal big gun danger area area image into
Row fire analysis and human bioequivalence analysis, by the gray value of each pixel in the area image and intended pixel gray threshold
Compare, the pixel quantity that gray value is more than or equal to intended pixel gray threshold is calculated, by gray value in the area image in people
Pixel between body gray scale upper limit threshold and human body gray scale lower threshold identifies and forms human body target image, calculates human body target
The quantity of image；
Area image processing module is used to issue gas standby signal when the gas density is greater than 1%, dense in the gas
When degree is greater than 1.5%, methane prediction signal is issued, when the gas density is greater than 2%, gas alarming signal is issued, in institute
When stating gas density greater than 5%, issues gas and be on the verge of detonator signal；It is greater than presetted pixel amount threshold in the pixel quantity
When, fire behavior alarm signal is issued, when the quantity of the human body target image is less than or equal to make a reservation for minimum personnel amount, is issued existing
Field shortage of staff's standby signal；
Data disaply moudle is used to show the data information of the transmission of each sensor, gas density data information, area image
Information, and detonator signal, fire behavior report are on the verge of receiving gas standby signal, methane prediction signal, gas alarming signal, gas
When alert signal, live shortage of staff's standby signal, real-time display and gas standby signal, methane prediction signal, gas alarming signal, watt
This is on the verge of detonator signal, fire behavior alarm signal, the corresponding text prompt information of live shortage of staff's standby signal；There is gas
Standby signal, methane prediction signal, gas alarming signal, gas are on the verge of detonator signal, fire behavior alarm signal, live shortage of staff's prompt
When signal, real-time display and gas standby signal, methane prediction signal, gas alarming signal, gas are on the verge of detonator signal, fire behavior
When alarm signal, live shortage of staff's standby signal, corresponding regional location is shown, and network is sent to maintenance dimension by wireless communication
The computer terminal of shield personnel, mobile terminal；
Detonator signal, fire behavior alarm signal are on the verge of there is gas standby signal, methane prediction signal, gas alarming signal, gas
Number, live shortage of staff's standby signal when, real-time display is on the point of with gas standby signal, methane prediction signal, gas alarming signal, gas
Face detonator signal, fire behavior alarm signal, live shortage of staff's standby signal, coal seam thickness variation, geological structure exception, high methane, punching
When hitting warning message, corresponding regional location is shown, and network is sent to the computer end of maintenance maintenance personnel by wireless communication
End, mobile terminal；
Server stores mining gas-geology geographic information data；
Server stores mining gas-geology service attribute data；
Server maintenance and the live underground palegeology information data of analysis and geology service attribute data；And according to dynamic prediction
Method carries out the Gas dynamic prediction of working face, and prediction result is shown in graph form, and is gushed out to face gas
It transfinites and carries out early warning, analysis working face gushes out the reason that transfinites, and provides control measures；
Server forms geographical graphic to the region that data pickup area division module divides, and provides modification and record for user
Enter function, geographical data and service attribute data are stored in storage processing module；
Server deposits coal seam parameter, Gas explosion burns, geological structure parameter, the maintenance function of mash gas pumping drilling information, data
It is stored in coalbed gas geology service properties database, it can be achieved that multi-department information is shared；
All kinds of isopleth data in server maintenance and dynamic analysis geographical graphic realize that protective layer opens analysis, outburst dangerous area
Domain prediction and coalbed gas geology information searching function；
Server gushes out dynamic prediction to face gas, to super-limit prewarning analysis is gushed out, to reason and the control measures intelligence of transfiniting
It can analyze, the dotted line of outburst amount is inquired；
Use Geologic Advance Prediction Technology and geological radar technology for the design and safety monitoring system of working face and tunnel trend
Foundation provide geology advance information foundation；The detection of transient state multiple tracks surface wave is carried out for finished jobs region, determines wall rock loosening
Enclose range；When to finished jobs region detection, microseism and monitoring of blasting vibration and rock mass acoustic detection are carried out, is carried out micro-ly
Shake is accurately positioned, to the timely early warning of unusual condition and alarm；
S5: the data information of acquisition, comparison information and warning information are sent to display screen, computer end by wireless network
End, mobile terminal；
The data information of acquisition, the data information of analysis and the data information of database purchase, import information shared platform；
Information sharing platform, operating system and database management platform, Safety monitoring system-based platform and safety monitoring are supervised
System software platform is controlled, is top service there are lower layer between each level and the relationship of interactive interface is provided, it is whole to establish
On hardware platform and the network platform, is realized by operating system and data base management system and supervised with bottom hardware facility and monitoring
The interaction of device is controlled, distributed storage is in Safety monitoring system-based platform, top peace after interactive information is handled
Full monitoring and controlling system software platform realizes browsing and processing to these interactive information by different functional subsystems, and will
It controls information and is issued to operating system and data base management system platform through Safety monitoring system-based platform.
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| CN106777772B (en) * | 2017-01-09 | 2019-11-12 | 辽宁工程技术大学 | A kind of Rock Burst hazard prediction method based on coal or rock dynamic system |
| CN109838280A (en) * | 2017-11-27 | 2019-06-04 | 菏泽海诺知识产权服务有限公司 | A kind of coal mine gas prewarning processing system |
| CN109347849A (en) * | 2018-11-05 | 2019-02-15 | 河南理工大学 | Coal mine safety monitoring data remote inquiry system and inquiry and early warning |
| CN110175417A (en) * | 2019-05-30 | 2019-08-27 | 中广核核电运营有限公司 | Monitoring method, device, computer equipment and the storage medium of enclosure stress |
| CN111648826B (en) * | 2020-05-26 | 2022-05-13 | 陕西彬长孟村矿业有限公司 | Coal mine rock burst prediction early warning system and method |
| CN116241330B (en) * | 2023-03-28 | 2024-02-23 | 黑龙江泰平隆矿业科技有限公司 | Early warning method and device for gas danger in coal mine and electronic equipment |
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