CN104484987B - The real-time dynamic radio monitoring device of coal mine work area roof safety and method - Google Patents
The real-time dynamic radio monitoring device of coal mine work area roof safety and method Download PDFInfo
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- CN104484987B CN104484987B CN201410650741.4A CN201410650741A CN104484987B CN 104484987 B CN104484987 B CN 104484987B CN 201410650741 A CN201410650741 A CN 201410650741A CN 104484987 B CN104484987 B CN 104484987B
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Abstract
A kind of real-time dynamic radio monitoring device of coal mine work area roof safety and method, it is made of the multigroup signal projector and signal transmitting and receiving center being located in working face, every group of signal projector includes multiple sensors, operative sensor connects microcontroller I through A/D converter, other sensors are directly connected to microcontroller I, and radio receiving transmitting module is connected on microcontroller I；Signal transmitting and receiving center includes radio receiving transmitting module, controls the microcontroller II of radio receiving transmitting module, and microcontroller II is connected to display module, 485 communication ports, function button and alarm.Roof pressure can be monitored in real time, end face emits high, roof to floor convergence, can also form alarm circuit according to preset each index value and realize that warning function and data store transfer function, from many aspects early warning and alert roof of coal face safety.Wireless monitoring device is easy to operate, low in energy consumption, high certainty of measurement, and prediction and method for early warning are superior.
Description
Technical field
The present invention relates to a kind of real-time dynamic radio monitoring device of coal mine work area roof safety and methods, are generally applicable to
The real-time dynamic monitoring of each coal mine fully-mechanized mining working roof safety.
Background technology
China is coal production big country of the world, and the yield of coal was continuously increased in recent years, but coal in China production is annual flat
Equal death toll is 3 times of other global producing coal country death toll summations, is brought to life, the property of the national people huge
Loss.And in five the Nature disasters of coal mine, roof accident accounts for great ratio.Top plate disaster accident refers in coal mine
In lower production process, the accidents such as casualties, equipment damage, production caused by top plate accident inbreak terminate.Roof accident is opposite
For the accidents such as coal mine gas from explosion, permeable, although death toll is fewer every time, its accident occurrence frequency is high, accident
Total amount is big, and controls the emphasis of coal mining accident total amount.For many years, the roof accident of China's coal-mine and top plate disaster are put more with it
Wide, the features such as control difficulty is big, forefront is occupy always in all kinds of coal mining accidents.It is counted according to national Coal Mine Safety Supervision Bureau,
The Eleventh Five-Year Plan period, number has occurred for roof accident and death toll accounts for 52.9% He that total accident plays number and death toll respectively
38.1%, it occupies first of all kinds of disasters.Roof accident 366 occurs altogether for national coal mine in 2012 rises, and dead 459 people accounts for complete respectively
State's coal mining accident always plays the 47% and 33.2% of number and death toll, continues to occupy first of all kinds of accidents.Therefore mine safety status
Fundamental turn for the better, how key is greatly decreased top plate disaster if also residing in.Due to top plate disaster by condition of coal seam occurrence, texture
Make, many factors such as mining work activities and production technique influence, there is presently no the generation that measure can prevent roof accident completely, institutes
To be just particularly important to the real-time security dynamic monitoring of face roof in process of coal mining, this can greatly ensure
The safety of coal mine personnel and property.
Currently, can effectively reflect that the index of face roof safety has roof pressure, end face to emit high, roof to floor convergence
Deng.For mine before exploitation, coal and rock is generally affected by gravity, and the stress of various aspects is balance, does not exhibit pressure
Force phenomenon, mine, with the progress of mining work, form certain space during production, make the outstanding dew of balkstone, to broken
It is broken the original balanced steady state in stratum, rock starts to move, deform, and power caused by this rock activity is mine
Mountain pressure.Under the action of mine pressure, causes to crush, be crushed, phenomena such as holder damages by pressure, wall caving, coal deformation, referred to as
The pressure manifestation in mine, strata behaviors are the results of action of underground.The presence of mine pressure is absolute, so such as
Fruit can effectively monitor the size of mine pressure, ensure mine pressure in a certain range, can largely ensure the safety of top plate.Push up bottom
The plate amount of shifting near is under hydraulic support supporting role, and excavation is by mining influence, the reflection of surrouding rock deformation movement, so using it
Roof of coal face degree of stability, bracket support effect and adaptability can be evaluated, is Support selection, the design (knot of holder
Structure, height etc.) data are provided, advise to improve roof control.In addition old top first weighting, period be can be determined that with it
The step pitch and intensity of pressure, to grasp the fully-mechanized mining working country rock characteristics of motion, to ensure that working face safety, every meter of national regulation are adopted
High roof to floor convergence is not more than 100mm.It is currently found not yet in China and weighs fully-mechanized mining working than roof to floor convergence
The better index of supporting effect, therefore the observation of roof to floor convergence is the observation project that can not be ignored.End face is away from referring to hydraulic pressure
For distance before branch frame stretch-forward beam to coal wall, it is specified that no more than 340mm, end face emits the high height for referring to this segment distance, rule
Set a distance is no more than 300mm.When direct top end face emit it is high be less than it is critical emit high when, stable caving arch, inbreak can be formed
Height be more than critical altitude when, direct rimrock body is difficult to form stable caving arch, cause fully mechanized coal face occur it is serious emit it is useful
Therefore.The leakage that effectively control cataclastic texture directly pushes up emits, it is necessary to which roof of head face is emitted high control within critical height.But currently, this 3
A efficiency index is all manually to be measured by mutually independent instrument, on the one hand it cannot be guaranteed that the accuracy of data, another party
Face can not real-time dynamicly monitor each index, add uncertainty, the contingency of coal mine roof plate accident, this is just working face
Roof accident has buried hidden danger, seriously threatens the property of coal mine and the life security of worker.
Invention content
Technical problem：The purpose of the present invention is overcoming the shortcoming in prior art, a kind of simple in structure, method is provided
Simplicity, high certainty of measurement, high sensitivity, the real-time dynamic radio monitoring device of the good coal mine work area roof safety of using effect and
Method.
Technical solution：The present invention the real-time dynamic radio monitoring device of coal mine work area roof safety, including interval be located at it is comprehensive
Multigroup signal projector on more hydraulic supports of mining face further includes the upper port or lower port for being located at fully-mechanized mining working
The signal transmitting and receiving center of the multigroup signal projector wireless transmission signal of reception at place, every group of signal projector include parallel connection
16 A/D converters, microcontroller I and the radio receiving transmitting module that multiple sensors and multiple sensors together are linked in sequence
One；Multiple sensors include active infrared sensors A, pressure sensor B, infrared ray range sensor C and incline
Angle transducer D；The signal transmitting and receiving center includes radio receiving transmitting module two, the microcontroller being connected with radio receiving transmitting module II,
485 communication ports, display module, function button and alarm are further respectively had on signal transmitting and receiving center.
Multigroup signal projector is 10-20 groups, is determined by working surface hydraulic support sum, interval 10 framves setting one
Group.
The model MAX1166 of 16 A/D converters.
The model MSP430F149 of the microcontroller I.
The radio receiving transmitting module one, two is the UTC-1212SE of semiduplex mode.
The model STM32F103 of the microcontroller II.
Using the real-time dynamic radio monitoring method of the coal mine work area roof safety of above-mentioned apparatus, include the following steps：
A, setting signal transmitter is spaced on more hydraulic supports of fully-mechanized mining working, in every group of signal projector：It is main
Dynamic formula infrared sensor A is located at hydraulic support top beam close to caving shield position, before being measured by active infrared sensors A
Control the roof collapse height between beam and working face；Pressure sensor B is located in the hydraulic valve of hydraulic support, passes through pressure sensing
Device B measures strut pressure；Infrared ray range sensor C is installed in the top half of hydraulic support column, above sensor C
Distance installs sensor D at 20cm, and hydraulic support column or more is measured by infrared ray range sensor C and obliquity sensor D
The relative shift of section, is obtained by calculation roof to floor convergence later；
B, the signal transmitting and receiving center for receiving wireless transmission signal is installed at the upper port of fully-mechanized mining working or lower port, with
Working face extraction moves；
When c, working, enabling signal headend, by signal transmitting and receiving center wake-up signal transmitter, in signal projector
Pressure sensor B, infrared ray range sensor C and obliquity sensor D collected information is passed by 16 A/D converters
Microcontroller I is passed, triggering radio receiving transmitting module emits signal in real time by microcontroller I, transmits radio signals in signal transmitting and receiving
The heart；The alarm threshold value of each sensor is arranged in subitem, once the phenomenon that occurring more than alarm threshold value, wireless receipts are triggered by microcontroller I
It sends out module one and emits alarm signal, transmit radio signals to signal transmitting and receiving center；
Roof collapse height before the monitoring in real time of active infrared sensors A between control beam and working face, when top plate emits
When drop height degree reaches early warning value, active infrared sensors A passes information to microcontroller I, and wireless receipts are triggered by microcontroller I
It sends out module one and emits alarm signal, transmit radio signals to signal transmitting and receiving center；
The signal transmitting and receiving center triggering radio receiving transmitting module two for being located at fully-mechanized mining working port receives radio receiving transmitting module one
Wireless signal, signal transmitting and receiving center received signal judged by microcontroller II into row address, data processing, and real-time display is each
The data result of address simultaneously judges whether to trigger alarm according to the data received, while being passed signal by 485 communication ports
To underground substation, network is monitored by underground monitoring and reaches the long-range monitoring that ground host computer realizes data.
Advantageous effect：Pass through the signal projector being located on working surface hydraulic support and the letter for being located at upper port or lower port
Number headend, signal projector, can be to the multi-signal about face roof under the wake-up condition at signal transmitting and receiving center
Sampled, and control radio receiving transmitting module and sampled data is sent, signal transmitting and receiving center receive after signal to its into
Row address judgement, data processing, the data result of each address of real-time display simultaneously judge whether triggering report according to the data received
Alert device, reflects the data result of roof safety situation, while can be connected to underground substation by 485 interfaces, passes through downhole monitoring
Monitoring network realization monitors the ground of face roof security parameter in real time, is capable of the end face in real-time dynamicly monitoring face
Mao Gao, roof pressure and roof to floor convergence so that the safety monitoring work of face roof more in real time, accurately, reliably, makes
Obtain the generation that the people in mine and on ground can predict face roof danger, effectively avoid roof accident in advance.Its structure
Simply, method is easy, high certainty of measurement, high sensitivity, and sensor resolution is high, and measurement data is accurate, and communication mode is simple, can
By property height, work efficiency is high, low cost, convenient test, has wide applicability.
Description of the drawings
Fig. 1 be the present invention hydraulic support in positional structure schematic diagram；
Fig. 2 is the working face head-down position structural schematic diagram of the present invention；
Fig. 3 is that the signal projector of the present invention constitutes block diagram；
Fig. 4 is that the signal transmitting and receiving center of the present invention constitutes block diagram；
Fig. 5 is roof to floor convergence calculation specifications figure in the present invention.
Specific implementation mode
The invention will be further described for embodiment in below in conjunction with the accompanying drawings：
The real-time dynamic radio monitoring device of coal mine work area roof safety of the present invention, including interval are located at fully-mechanized mining working
Multigroup signal projector 1 on more hydraulic supports, the multigroup letter of reception being located at the upper port or lower port of fully-mechanized mining working
The signal transmitting and receiving center 2 of number 1 wireless transmission signal of transmitter, multigroup signal projector 1 are 10-20 groups, specifically setting group
Number is determined that 10 framves of interval are arranged one group by working surface hydraulic support sum.Every group of signal projector (1) includes being connected in parallel on
Multiple sensors 11 together, with multiple sensors 1) 16 A/D converters 3, microcontroller I 4 and the wireless receiving and dispatching that are linked in sequence
Module 1；The model MAX1166 of 16 A/D converters 3；The model MSP430F149 of the microcontroller I4.
Multiple sensors 11 include active infrared sensors A, pressure sensor B, infrared ray range sensor C and inclination angle
Sensor D；The microcontroller that the signal transmitting and receiving center 2 includes radio receiving transmitting module 26, is connected with radio receiving transmitting module 26
II 7,485 communication ports 8, display module 9, function button 10 and alarm 12 are respectively equipped on microcontroller II 7.The wireless receipts
Send out the UTC-1212SE that module is semiduplex mode；The model STM32F103 of the microcontroller II7.
As shown in Figure 1, signal projector 1 is installed in the middle part of the top beam of hydraulic support；In hydraulic support top beam close to shielding
Self-control telescoping shoring column Z is installed in the place of beam, and telescopic extensions are 100~300mm, and active infra-red is installed in the end of the holder
Line sensors A；Pressure sensor B is installed in the hydraulic valve of hydraulic support；Infrared ray range sensor C is installed in hydraulic support
The upper end of column；Distance installs sensor D at 20cm above the sensor C；Four kinds of sensors on each hydraulic support are logical
Mine sensors connecting line is crossed with the signal projector on same hydraulic support to be connected.
As shown in Fig. 2, since the working face holder of third down suitable for reading, every 7 frame installs a signal transmitting from top to bottom
Device, each signal projector include active infrared sensors A (the monitoring end face for being installed in hydraulic support specific position respectively
Emit height), pressure sensor B (monitoring roof pressure), infrared ray range sensor C (indirect monitoring roof to floor convergence) and inclination angle
Sensor D (angle for measuring column and vertical direction), sensor B, sensor C and sensor D connect list through A/D converter 3
Piece machine I 4, sensors A are directly connect with microcontroller I 4, and radio receiving transmitting module 5 is connected on microcontroller I 4.
As shown in figure 3, sensor B, C, D are 16 A/D converter MAX1166 by precision, by the simulation of sampling interval
Amount signal is converted into digital signal and passes to microcontroller I 4, and sensors A is directly connected with microcontroller I 4, and microcontroller I 4 handles number
It electric wave is modulated signals by radio receiving transmitting module 1 sends out according to rear, the model MSP430F149 of microcontroller I 4.
As shown in figure 4, the wireless receiving and dispatching mould that signal transmitting and receiving center 2 is connected by microcontroller II 7, respectively with microcontroller II 7
Block 26,485 communication ports 8, display module 9 and function button 10 are constituted, the model STM32F103 of microcontroller II 7.
After the radio receiving transmitting module 26 at signal transmitting and receiving center 2 receives data-signal, lead to demodulated data signal and by data
It crosses read-write operation and passes to microcontroller II 7, the function button being arranged on signal transmitting and receiving center 2 has：Reset button wakes up transmitter
Button, enabled PERCOM peripheral communication button, historical query button, switch button.
Using the real-time dynamic radio monitoring method of the coal mine work area roof safety of above-mentioned apparatus, it is as follows：
A, setting signal transmitter 1, every group of signal projector are spaced on more hydraulic supports of fully-mechanized mining working) in：
Active infrared sensors A is located on forestope, and control beam emits a large amount before being measured by active infrared sensors A；Pressure
Force snesor B is located in the hydraulic valve of hydraulic support, and strut pressure is measured by pressure sensor B；Infrared ray range sensor C
It is installed in the upper end of hydraulic support column, distance installs sensor D at 20cm above the sensor C, passes through infrared ray distance and passes
The relative shift for the hydraulic support column upper-lower section that sensor C and obliquity sensor D are measured；
B, the signal transmitting and receiving center 2 for receiving wireless transmission signal is installed at the upper port of fully-mechanized mining working or lower port；
When c, working, enabling signal headend, by signal transmitting and receiving center wake-up signal transmitter, in signal projector
Pressure sensor B, infrared ray range sensor C and obliquity sensor D collected information is passed by 16 A/D converters
Microcontroller I is passed, triggering radio receiving transmitting module emits signal in real time by microcontroller I, transmits radio signals in signal transmitting and receiving
The heart；The alarm threshold value of each sensor is arranged in subitem, once the phenomenon that occurring more than alarm threshold value, wireless receipts are triggered by microcontroller I
It sends out module one and emits alarm signal, transmit radio signals to signal transmitting and receiving center；
Roof collapse height before the monitoring in real time of active infrared sensors A between control beam and working face, when top plate emits
When drop height degree reaches early warning value, active infrared sensors A passes information to microcontroller I, and wireless receipts are triggered by microcontroller I
It sends out module one and emits alarm signal, transmit radio signals to signal transmitting and receiving center；
The signal transmitting and receiving center triggering radio receiving transmitting module two for being located at fully-mechanized mining working port receives radio receiving transmitting module one
Wireless signal, signal transmitting and receiving center received signal judged by microcontroller II into row address, data processing, and real-time display is each
The data result of address, and signal is transmitted to underground substation by 485 communication ports, monitoring network by underground monitoring reaches ground
Host computer realizes the long-range monitoring of data.
D, basis《Regulation》It is required that fully-mechanized mining working end face, which emits height, is not greater than 300mm, therefore, adjusting self-control first can
The length of telescope support Z is 250mm, later by active infrared sensors A in the end of the holder.When end face is away from range
Top plate inbreak occurs, and when height reaches 250mm, active infrared sensor, which will detect infrared ray, is not
Stationary, that is to say, that the infrared ray sent out constantly rebounds, and active infrared sensors A is triggered, simultaneously
Corresponding microcontroller I is communicated information to, passes through wireless signal transmission later to the signal positioned at working face upper port or lower port
Headend, to realize early warning；In addition, needed in this alert program setting only when infrared receiver in 1s within all
It cannot monitor just to alarm when infrared ray is dynamic, that is, filter is set, to realize when top plate accidentally has stone or coal cinder
Sensors A not fall the signal, avoid false alarm by alert, automatic fitration when falling.
E, pressure sensor B is mounted in hydraulic support hydraulic valve, it is high in hydraulic support column plunger shaft by measuring
The pressure of press liquid obtains the size of top plate mine pressure indirectly, and sends pressure value to microcontroller.
F, the signal transmitting and receiving center 2 for receiving multigroup signal projector 1 is installed at working face upper port or lower port, is beaten
The function button 10 of ON signal headend 2 sends out enabling signal, and the radio receiving transmitting module 5 of multigroup signal projector 1 receives
After enabling signal, multigroup signal projector 11 is made to enter working condition；As the pressure sensor B, infrared of multigroup signal projector 1
Linear distance sensor C or obliquity sensor D sampled signals are more than that threshold value or active infrared sensors A spread out of warning message
When, microcontroller I 4 triggers radio receiving transmitting module 5 and emits signal；Signal transmitting and receiving center 2 receives signal, and II 7 pairs of microcontroller receives
Signal judge into row address, data processing, the data result of each address of real-time display, and being passed signal by 485 communication ports 8
To underground substation, network is monitored by underground monitoring and reaches the long-range monitoring that ground host computer realizes data.
G, the data that the microcontroller II 7 at signal transmitting and receiving center 2 receives are sended over if it is active infrared sensors A
Data, then emit high data processing subprogram using end face, while the data handled well being existed with data of the decimal system containing unit
It is shown on display module, display content is the end face positions Mao Gao, and the alarm 12 at trigger signal headend；If it is pressure
The data that force snesor B is sended over then use pressure data to handle subprogram, while the data handled well being contained with the decimal system
The data of unit show that display content is holder number and corresponding roof pressure on display module；If it is infrared ray away from
From the data that sensor C is sended over, then range data processing subprogram is used, while the data handled well being contained with the decimal system
The data of unit show that display content is holder number and the distance values of corresponding Sensor monitoring on display module；Such as
Fruit is the data that obliquity sensor C is sended over, then uses inclination data to handle subprogram, while by the data handled well with ten
Data of the system containing unit show that display content is the folder of holder number and corresponding column and vertical direction on display module
Angle.Working face is calculated using the data of sensor C and sensor D transmission in II 7 timing of microcontroller at signal transmitting and receiving center 2
Face roof to floor convergence, shows on display module, and display content is numbered for holder and corresponding roof to floor convergence, and root
Decide whether to trigger alarm 12 according to final numerical values recited (roof to floor convergence of every meter of mining height is more than 100mm).
H, using the underground monitoring outstation near stope, by 485 communication lines by signal transmitting and receiving center 2 with
Monitoring substation connects, and data is finally incorporated monitoring network, server is good by data processing on well, one side root
The pressure data transmitted according to underground, real-time rendering goes out the change curve and pressure value size of pressure, to predict roof weighting,
Carry out early warning；Secondly the roof to floor convergence data transmitted according to underground, real-time rendering roof and floor is with respect to the amount of shifting near curve, monitoring
Its variation tendency is Comprehensive Assessment face roof safety to characterize the step pitch and intensity of old top first weighting, periodic weighting
Foundation is provided, and when the roof to floor convergence of every meter of mining height is more than 100mm, sends out alarm, display alarm place；In addition when
Server, which is sent out, when underground end face is emitted up to alarm preset value, on well alarms and shows alarm place.Then pass through network
Whether publication can check each parameter variation tendency of down-hole combined mining working top plate on Jing Shang offices Web browser and surpass
Mark.
The present invention the real-time dynamic radio monitoring device of coal mine work area roof safety and method, roof to floor convergence by with
Lower method measures：Infrared ray range sensor C is installed in the upper part of hydraulic support column by making iron hoop by oneself, infrared ray away from
Emit infrared ray downwards from sensor C, will be reflected when infrared ray encounters the plane of the two-part junction of column or more,
The part infrared ray of reflection is received by the infrared receiver of sensor C, and it is flat to junction to obtain the positions sensor C immediately
The distance X in face, the difference X2-X1 that double sampling obtains be in this section of sampling time hydraulic support column shift near for two up and down
Amount.
As shown in fig. 5, it is assumed that by the columns measured of the obliquity sensor D on hydraulic support column and vertical direction
Angle is α；It is X2 by the data at that time measured positioned at hydraulic support column top, a upper data are X1, then hydraulic support is vertical
The opposite amount of the shifting near X=X1-X2 of column upper-lower section；Roof to floor convergence H=cos α * X.
Wireless transmission method can have following three kinds in the working face of the present invention.
Mode one：Up, signal projector (1) is transmitted mouth in a manner of wireless transmission relay, Zhi Daochuan under working face
Into the first signal projector, last first signal projector summarizes the signal transmitting and receiving center 2 being transmitted at upper port, completes
Signal projector 1 arrives the signal transmission at signal transmitting and receiving center 2 in working face；Vice versa；The transmission mode is simple to operation, fits
For long range working face, but reliability is poor, and one of signal projector error emits other signals caused under it
The data that device is acquired can not be transferred to signal transmitting and receiving center 2；
Mode two：Up, every three signal projectors form a signal and emit group mouth, later a small group under working face
For unit force transfer successively from the bottom up, until passing to the first panel signal transmitter, last first panel signal transmitter
Summarize the signal transmitting and receiving center being transmitted at upper port, completes the letter that signal projector 1 in working face arrives signal transmitting and receiving center 2
Number transmission；Vice versa；For example, the signal projector that number is followed successively by 9,8,7 from the bottom up is a small group, wherein 9,8 numbers
Transmitter all directly transmit a signal to 7 number signal projectors；The signal projector that number is 6,5,4 is same, according to
It is secondary to analogize；Signal is transmitted to 4 number signal projectors by 7 number signal projectors later, and so on until by all signals all
1 number signal projector is passed to, is finally summarized by 1 number signal projector and is transmitted to positioned at the signal transmitting and receiving center of upper port,
Complete signal transmission.Mode two is equally applicable to long range working face, more more reliable than the transmission of mode one, but operates more multiple
It is miscellaneous.
Mode three：Up, every three signal projectors form a signal and emit group mouth, small with one later under working face
Group is that signal is directly transmitted to the signal transmitting and receiving center at upper port by unit, completes signal projector (1) in working face and arrives
The signal transmission at signal transmitting and receiving center 2；Vice versa；This method is easy to operate, more more reliable than mode one, mode two, but only
Suitable for short distance working face.
When signal transmitting and receiving center 2 is located at lower port, above-mentioned three kinds of communication modes are equally set up, specific communication mode according to
The actual conditions of fully-mechanized mining working determine.
Claims (7)
1. a kind of real-time dynamic radio monitoring device of coal mine work area roof safety, it is characterised in that：It is located at comprehensive including interval
Multigroup signal projector on more hydraulic supports of mining face（1）, further include be located at fully-mechanized mining working upper port or under
The multigroup signal projector of reception at port（1）The signal transmitting and receiving center of wireless transmission signal（2）, described every group of signal transmitting
Device（1）Including the multiple sensors being connected in parallel（11）And multiple sensors（11）16 A/D converters being linked in sequence
（3）, microcontroller I（4）And radio receiving transmitting module one（5）；Multiple sensors（11）Including active infrared sensor
A, pressure sensor B, infrared ray range sensor C and obliquity sensor D；The signal transmitting and receiving center（2）Including wirelessly receiving
Send out module two（6）And radio receiving transmitting module two（6）Connected microcontroller II（7）, signal transmitting and receiving center（2）It is logical to be additionally provided with RS485
Interrogate mouth（8）, display module（9）, function button（10）And alarm（12）.
2. the real-time dynamic radio monitoring device of a kind of coal mine work area roof safety according to claim 1, feature exist
In：Multigroup signal projector（1）For 10-20 groups.
3. the real-time dynamic radio monitoring device of a kind of coal mine work area roof safety according to claim 1, feature exist
In：16 A/D converters（3）Model MAX1166.
4. the real-time dynamic radio monitoring device of a kind of coal mine work area roof safety according to claim 1, feature exist
In：The microcontroller（4）Model MSP430F149.
5. the real-time dynamic radio monitoring device of a kind of coal mine work area roof safety according to claim 1, feature exist
In：The radio receiving transmitting module one（5）With radio receiving transmitting module two（6）For the UTC-1212SE of semiduplex mode.
6. the real-time dynamic radio monitoring device of a kind of coal mine work area roof safety according to claim 1, feature exist
In：The microcontroller（7）Model STM32F103.
7. a kind of real-time dynamic radio monitoring method of coal mine work area roof safety using claim 1 described device, special
Sign is to include the following steps：
A, setting signal transmitter is spaced on more hydraulic supports of fully-mechanized mining working（1）, every group of signal projector（1）In：
Active infrared sensors A is located at hydraulic support top beam at caving shield, before being monitored by active infrared sensors A
Control the roof collapse height between beam and working face；Pressure sensor B is located in the hydraulic valve of hydraulic support, passes through pressure sensing
Device B measures strut pressure to get to roof pressure；Infrared ray range sensor C is located at hydraulic support column upper semisection, infrared
Distance installs obliquity sensor D at 20cm above linear distance sensor C, passes through infrared ray range sensor C and obliquity sensor D
The relative shift for measuring hydraulic support column upper-lower section obtains roof to floor convergence by calculating；
B, the signal transmitting and receiving center for receiving wireless transmission signal is installed at the upper port of fully-mechanized mining working or lower port（2）, return
It is moved with working face during adopting；
When c, working, enabling signal headend（2）, pass through signal transmitting and receiving center（2）Wake-up signal transmitter（1）, signal hair
Emitter（1）In pressure sensor B, infrared ray range sensor C and obliquity sensor D timing collected information is passed through 16
Position A/D converter（3）Pass to microcontroller I（4）, by microcontroller I（4）Trigger radio receiving transmitting module one（5）Emit signal, subitem
The alarm threshold value of each sensor is set, once the phenomenon that occurring more than alarm threshold value, radio receiving transmitting module one is triggered by microcontroller I
Emit alarm signal, transmits radio signals to signal transmitting and receiving center；
Roof collapse height before the monitoring in real time of active infrared sensors A between control beam and working face, when roof collapse height
When degree reaches early warning value, active infrared sensors A passes information to microcontroller I（4）, wireless receipts are triggered by microcontroller I
It sends out module one and emits alarm signal, transmit radio signals to signal transmitting and receiving center；
The signal transmitting and receiving center triggering radio receiving transmitting module two for being located at fully-mechanized mining working port receives the nothing of radio receiving transmitting module one
Line signal, signal transmitting and receiving center received signal by microcontroller II into row address judge, data processing, each address of real-time display
Data result and judged whether to trigger alarm according to the data of reception, while signal is transmitted to underground by 485 communication ports
Substation monitors network by underground monitoring and reaches the long-range monitoring that ground host computer realizes data.
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|---|---|---|---|---|
| CN105466390B (en) * | 2015-12-01 | 2017-12-01 | 中国矿业大学 | Comprehensive mechanization solid filling coal mining top plate sinks quantity monitoring method in advance |
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| CN111561353A (en) * | 2020-06-17 | 2020-08-21 | 山东东山矿业有限责任公司株柏煤矿 | Mining pressure monitoring system for coal face of steeply inclined coal seam |
| CN114509036B (en) * | 2021-11-16 | 2024-01-16 | 中煤新集能源股份有限公司 | Hydraulic support monitoring device |
| CN114582087A (en) * | 2021-12-15 | 2022-06-03 | 华亭煤业集团有限责任公司 | Fully-mechanized coal mining face all-optical network safety monitoring system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344012A (en) * | 2008-08-05 | 2009-01-14 | 山东省尤洛卡自动化装备股份有限公司 | Dynamic monitoring system of coal mine roof plate |
| CN101706466A (en) * | 2009-10-23 | 2010-05-12 | 中国矿业大学 | Spontaneous ignition wireless monitoring device of goaf coal and method |
| CN103244184A (en) * | 2013-05-07 | 2013-08-14 | 西南石油大学 | Real-time mine pressure monitoring system for downhole fully-mechanized coal mining face |
| CN203271815U (en) * | 2013-06-08 | 2013-11-06 | 李儒峰 | Optical fiber sensing technology-based safety monitoring system of coal mine roof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8164473B2 (en) * | 2008-12-04 | 2012-04-24 | Robertson Jr Roy Lee | Mine roof monitoring apparatus |
| CN102759422B (en) * | 2011-04-24 | 2016-04-06 | 山东大成电气有限公司 | Intelligent type mine pressure monitoring substation and correction method thereof |
-
2014
- 2014-11-14 CN CN201410650741.4A patent/CN104484987B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344012A (en) * | 2008-08-05 | 2009-01-14 | 山东省尤洛卡自动化装备股份有限公司 | Dynamic monitoring system of coal mine roof plate |
| CN101706466A (en) * | 2009-10-23 | 2010-05-12 | 中国矿业大学 | Spontaneous ignition wireless monitoring device of goaf coal and method |
| CN103244184A (en) * | 2013-05-07 | 2013-08-14 | 西南石油大学 | Real-time mine pressure monitoring system for downhole fully-mechanized coal mining face |
| CN203271815U (en) * | 2013-06-08 | 2013-11-06 | 李儒峰 | Optical fiber sensing technology-based safety monitoring system of coal mine roof |
Non-Patent Citations (1)
| Title |
|---|
| 矿井顶板（围岩）状态监测及灾害预警***研究及应用;连清旺;《工程科技I辑》;20120930;摘要、正文第17-18、32-33、42-47页 * |
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