CN109184798A - Methane monitoring system under karst landform - Google Patents

Methane monitoring system under karst landform Download PDF

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Publication number
CN109184798A
CN109184798A CN201811148155.4A CN201811148155A CN109184798A CN 109184798 A CN109184798 A CN 109184798A CN 201811148155 A CN201811148155 A CN 201811148155A CN 109184798 A CN109184798 A CN 109184798A
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China
Prior art keywords
monitoring system
gas
longitudinal movement
tunnel
coal
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Granted
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CN201811148155.4A
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Chinese (zh)
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CN109184798B (en
Inventor
王晴晴
崔忠伟
郭龙
于国龙
赵建川
赵勇
左羽
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Guizhou Education University
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Guizhou Education University
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Priority to CN201811148155.4A priority Critical patent/CN109184798B/en
Publication of CN109184798A publication Critical patent/CN109184798A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18Special adaptations of signalling or alarm devices

Abstract

The invention discloses methane monitoring systems under karst landform, the present invention is not only from coal mine roadway, gas situation in tunnel is accurately monitored, but also the gas situation in coal seam is detected, such combination of inner and outside, the reliability to gas-monitoring can be improved, gas regionality is reduced for the difficulty of gas monitor, simultaneously, tunnel gas-monitoring of the invention is the monitoring of moveable inspection type, guarantee to carry out comprehensive monitoring to each position of each region, improve the reliability and stability of gas monitor, prevent respective regions from gas monitor problem not in place occur, the present invention can greatly improve the precision and comprehensive property of gas-monitoring, it is suitble to the gas-monitoring under karst landform to use.

Description

Methane monitoring system under karst landform
Technical field
The present invention relates to methane monitoring systems under karst landform, belong to gas-monitoring equipment technical field.
Background technique
East China karst landform is distributed in latitudinal zonality, is from south to north tropical karst, subtropical zone karst With temperate zone karst.Western part of China due to by moisture limitation or landform influenced, belong to arid area karst (the Northwest) With cold jelly plateau karst (Qinghai-Tibet Platean).For karst landform, due to the complexity that it is formed, for this landforms Under the exploitation of coal mine etc. there is biggish difficulty, often content is larger for gas in subterranean layer, moreover, having biggish region Property, gas bearing capacity gap is larger at different parts, this improves higher requirement for the monitoring of gas.
Currently, methane monitoring system is usually to be laid in coal mine roadway using simple gas-monitoring sensor, it is this Although mode is simple, since gathering for gas has regionality, and once, gas bearing capacity occur excessive in a certain region, The danger that can not be saved can then be caused.Therefore, the accuracy and safety to coal mine gas monitoring how are improved, for coal Mine gas is of crucial importance, even more important for gas-monitoring under karst landform.
The present invention in view of the above problems, provide karst landform under methane monitoring system, improve the accuracy of gas-monitoring And reliability.
Summary of the invention
To achieve the above object, the invention provides the following technical scheme: methane monitoring system, feature under karst landform It is comprising tunnel methane monitoring system, coal-bed gas monitoring system, wireless communication module and integrated control centre, wherein It is provided with wireless communication module in the tunnel methane monitoring system and coal-bed gas monitoring system, and by wireless communication Module and integrated control center wireless communication connect;Wherein, the tunnel methane monitoring system includes being mounted on tunnel top Multiple moveable tunnel gas-monitoring components on portion's bracket, each tunnel gas-monitoring component are responsible for monitoring in tunnel Some region of coal mine gas information, and each tunnel gas-monitoring component is movably arranged in respective monitoring area; The protruding into for coal-bed gas monitoring system sealing is arranged in the drilling in coal seam, and is provided with nothing in coal-bed gas monitoring system Line signal transmits booster, and the gas management sensor on the wireless signal transmission booster and coal-bed gas monitoring system is believed Number connection.
Further, preferably, the tunnel methane monitoring system includes mobile hanging rail, longitudinal movement seat, longitudinal direction Movable plate, transverse strands, laterally driven component, support column, detection control cabinet and detection sensory package, wherein the mobile suspension is led Rail is fixed on excavation support along the length direction extension in tunnel, and the longitudinal movement seat can move hanging rail along described Sliding is suspended on the mobile hanging rail, and the longitudinal movement seat is driven by longitudinal drive and moved, the longitudinal direction The lower end of Mobile base is fixedly installed the longitudinal movement plate, and the lower end surface of the longitudinal movement plate uses described laterally driven group Part is connected with the transverse strands, is supported in the transverse strands using the support column and is provided with the detection control cabinet, institute It states and is connected with the detection sensory package being monitored to gas on the lower end surface of detection control cabinet, in the detection control cabinet It is provided with the signal processor connecting with the detection sensory package signal, is provided with radio communication mold outside the detection control cabinet Block.
Further, preferably, being provided with longitudinal movement driving gear in the longitudinal movement seat, the mobile suspension is led The tooth socket with the longitudinal movement driving gear cooperation is provided on rail, the longitudinal movement driving gear is matched along the tooth socket It closes and rolls, the longitudinal movement driving gear is controlled and driven by control drive assembly.
Further, preferably, the laterally driven component includes clockwise and anticlockwise motor, screw rod, nut seat, guide rod and leads To sliding seat, wherein the clockwise and anticlockwise motor be fixed on it is described longitudinal movement plate bottom surface side, the clockwise and anticlockwise motor it is defeated Outlet is connected to the screw rod by retarder, and the screw rod is supported on the longitudinal movement plate using screw rodb base, institute's screw rod It being threadedly engaged with the nut seat, the guide rod is supported and fixed on the other side of the longitudinal movement plate using guide rod seat, On the guide rod, one of them described transverse strands is fixedly mounted on the screw for the setting of the guiding sliding seat shell sliding On seat, another transverse strands is fixedly mounted on the guiding sliding seat.
Further, preferably, being provided with aerofoil on the support column, the aerofoil along the support column radial direction side To extending downwardly, and extend to the downside of detection control cabinet;It is provided on wireless communication module on the detection control cabinet anti- Dust hood.
Further, preferably, the detection sensory package is mounted on dampening assembly, the dampening assembly includes level-one Dampening assembly and second level dampening assembly, wherein the level-one dampening assembly includes upper cover plate, diaphragm seal, spring and lower supporting plate, Wherein, the upper cover plate is fixed on the lower supporting plate using outer framework, is provided with above the lower supporting plate described close Mounting is provided with the spring, installation is fixedly installed on the lower supporting plate between the diaphragm seal and the lower supporting plate Axis, the installation axle sequentially pass through the diaphragm seal after, the lower end side of the detection control cabinet is connected to after upper cover plate, it is described close Mounting and outer framework are all made of shock-absorbing elastic material and are made;
The second level dampening assembly includes lower elastomeric bladder, and the detection sensory package is mounted in the lower elasticity speaks in a low voice, under described The power-supply controller that detection sensory package is powered and is controlled is provided in support plate, the power-supply controller passes through conducting wire It is connected to the detection sensory package, the conducting wire is located in the lower elastomeric bladder.
Further, preferably, the coal-bed gas monitoring system includes fixed test bar, air exhauster, gas management biography Sensor, wireless signal transmission booster, wherein the protruding into for fixed test bar sealing is arranged in the drilling in coal seam, described It is hollow structure inside fixed test bar, and the gas management sensor, wireless signal transmission booster interval are laid in In hollow cavity in the fixed test bar, the outside of the fixed test bar is communicated with the air exhauster.
Further, preferably, the inner end of the fixed test bar is provided with air-permeable mattress, the air-permeable mattress prevents coal seam pair The blocking of fixed test bar.
Further, preferably, being additionally provided with the outer ring cavity coaxial with its internal hollow cavity on the fixed test bar, Outside the internally positioned hollow cavity of outer ring cavity, the outer ring is intracavitary to be filled with seal ring set, the outside of the seal ring set For the outer ring body of fixed test bar, the inside of the seal ring set is the interior ring body of fixed test bar, and outer ring body protrudes into After the coal bed drilling, the outer ring body is squeezed deformation, in order to which the sealing to the fixed test bar is fixed.
Further, preferably, being additionally provided with the pumping via hole extended along its length direction in the interior ring body, The pumping via hole is also connected to the air exhauster.
Compared with prior art, the beneficial effects of the present invention are:
The present invention not only from coal mine roadway, accurately monitors the gas situation in tunnel, but also in coal seam Gas situation detected, such combination of inner and outside can be improved the reliability to gas-monitoring, reduce gas regionality for The difficulty of gas monitor, meanwhile, tunnel gas-monitoring of the invention is the monitoring of moveable inspection type, is guaranteed to each region Each position carries out comprehensive monitoring, improves the reliability and stability of gas monitor, prevents respective regions from gas monitor occur Problem not in place, the present invention can greatly improve the precision and comprehensive property of gas-monitoring, watt being suitble under karst landform This monitoring uses.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of methane monitoring system under karst landform of the present invention;
Fig. 2 is the tunnel methane monitoring system structural schematic diagram of methane monitoring system under karst landform of the present invention;
Fig. 3 is the coal-bed gas schematic diagram of monitoring system structure of methane monitoring system under karst landform of the present invention;
Fig. 4 is the fixed test bar inner end structure schematic diagram of methane monitoring system under karst landform of the present invention;
Fig. 5 is the dampening assembly structural schematic diagram of methane monitoring system under karst landform of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: methane monitoring system under karst landform, feature exist In comprising tunnel methane monitoring system 2, coal-bed gas monitoring system 4, wireless communication module 6 and integrated control centre 7, In, it is provided with wireless communication module 6 in the tunnel methane monitoring system and coal-bed gas monitoring system 4, and pass through nothing Line communication module 6 and the integrated control center 7 wireless communication connect;Wherein, the tunnel methane monitoring system 2 includes installation Multiple moveable tunnel gas-monitoring components 3 on tunnel top-support 1, each tunnel gas-monitoring component 3 are negative Some region of coal mine gas information in duty monitoring tunnel, and each tunnel gas-monitoring component can in respective monitoring area Mobile setting;The protruding into for the sealing of coal-bed gas monitoring system 4 is arranged in the drilling in coal seam, and coal-bed gas monitoring system Wireless signal transmission booster, watt on the wireless signal transmission booster and coal-bed gas monitoring system are provided on system 4 The connection of this detection sensor signal.
In the present embodiment, the tunnel methane monitoring system includes mobile hanging rail 1, longitudinal movement seat 8, Zong Xiangyi Movable plate 2, transverse strands 19, laterally driven component, support column 15, detection control cabinet 14 and detection sensory package, wherein the movement Hanging rail 1 is fixed on excavation support along the length direction extension in tunnel, and the longitudinal movement seat 8 can be moved along described Hanging rail sliding is suspended on the mobile hanging rail 1, and the longitudinal movement seat 8 is driven by longitudinal drive 9 and moved Dynamic, the lower end of the longitudinal movement seat is fixedly installed the longitudinal movement plate 2, and the lower end surface of the longitudinal movement plate 2 uses The laterally driven component is connected with the transverse strands 19, is arranged in the transverse strands 19 using the support column 15 support There is the detection control cabinet 14, is connected on the lower end surface of the detection control cabinet 14 and the detection that gas is monitored is passed Feel component 3, the signal processor connecting with the detection sensory package signal, the detection are provided in the detection control cabinet Wireless communication module is provided with outside control cabinet.
Wherein, it is provided with longitudinal movement driving gear in the longitudinal movement seat, is provided on the mobile hanging rail With the tooth socket of the longitudinal movement driving gear cooperation, the longitudinal movement driving gear is rolled along the tooth socket fit, institute Longitudinal movement driving gear is stated to be controlled and driven by control drive assembly.
As preferred embodiment, the laterally driven component includes clockwise and anticlockwise motor 10, screw rod 11, nut seat, guiding Bar 13 and guiding sliding seat 12, wherein the clockwise and anticlockwise motor 10 is fixed on the bottom surface side of the longitudinal movement plate 2, described The output end of clockwise and anticlockwise motor is connected to the screw rod 11 by retarder, and the screw rod 11 is supported on described vertical using screw rodb base To on movable plate, institute's screw rod 11 is threadedly engaged with the nut seat, and the guide rod 13 is supported and fixed on institute using guide rod seat The other side of longitudinal movement plate is stated, the setting of the guiding sliding seat shell sliding is on the guide rod, one of them described cross It is fixedly mounted on the nut seat to frame, another transverse strands 19 is fixedly mounted on the guiding sliding seat 12.
As preferred embodiment, aerofoil 16 is provided on the support column 15, the aerofoil 16 is along the support column Radial direction extend downwardly, and extend to detection control cabinet downside;On wireless communication module on the detection control cabinet It is provided with dust cover.
As preferred embodiment, the detection sensory package is mounted on dampening assembly, and the dampening assembly includes one Grade dampening assembly 17 and second level dampening assembly 18, wherein the level-one dampening assembly includes upper cover plate 27, diaphragm seal 28, spring And lower supporting plate, wherein the upper cover plate 28 is fixed on the lower supporting plate using outer framework, the top of the lower supporting plate It is provided with the diaphragm seal 28, is provided with the spring between the diaphragm seal and the lower supporting plate, on the lower supporting plate Be fixedly installed installation axle, the installation axle sequentially pass through the diaphragm seal after, the detection control cabinet is connected to after upper cover plate Lower end side, the diaphragm seal and outer framework are all made of shock-absorbing elastic material and are made;The second level dampening assembly includes lower elasticity Capsule, lower elastomeric bladder are made of lower capsula interna 30 and lower external capsule 31, and the detection sensory package is mounted in the lower elasticity speaks in a low voice, described The power-supply controller 29 that detection sensory package is powered and is controlled is provided on lower supporting plate, the power-supply controller 29 is logical It crosses conducting wire 33 and is connected to the detection sensory package 32, the conducting wire is located in the lower elastomeric bladder.
As preferred embodiment, the coal-bed gas monitoring system includes fixed test bar 19, air exhauster 5, gas inspection Survey sensor 21, wireless signal transmission booster 20, wherein what the fixed test bar 19 sealed protrudes into the brill that coal seam is arranged in It is hollow structure inside the fixed test bar 19, and between the gas management sensor, wireless signal transmission booster in hole Every the hollow cavity being laid in the fixed test bar in, the outside of the fixed test bar is communicated with the air exhauster.Institute The inner end for stating fixed test bar is provided with air-permeable mattress 22, and the air-permeable mattress prevents blocking of the coal seam to fixed test bar.
As preferred embodiment, the outer ring coaxial with its internal hollow cavity is additionally provided on the fixed test bar Chamber, outside the outer internally positioned hollow cavity of ring cavity, the outer ring is intracavitary to be filled with seal ring set 25, the seal ring set 25 Outside be fixed test bar outer ring body 24, the inside of the seal ring set is the interior ring body 23 of fixed test bar, outside After ring body protrudes into the coal bed drilling, the outer ring body is squeezed deformation, in order to the close of the fixed test bar Sealing is fixed.The pumping via hole 26 extended along its length direction, the pumping via hole are additionally provided in the interior ring body Also it is connected to the air exhauster 5.
The present invention not only from coal mine roadway, accurately monitors the gas situation in tunnel, but also to coal Gas situation in layer is detected, such combination of inner and outside, and the reliability to gas-monitoring can be improved, and it is regional to reduce gas For the difficulty of gas monitor, meanwhile, tunnel gas-monitoring of the invention is the monitoring of moveable inspection type, is guaranteed to each area Each position in domain carries out comprehensive monitoring, improves the reliability and stability of gas monitor, prevents respective regions from gas occur Problem not in place is monitored, the present invention can greatly improve the precision and comprehensive property of gas-monitoring, be suitble under karst landform Gas-monitoring use.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. methane monitoring system under karst landform, which is characterized in that it includes tunnel methane monitoring system, coal-bed gas monitoring System, wireless communication module and integrated control centre, wherein in the tunnel methane monitoring system and coal-bed gas monitoring system It is provided with wireless communication module, and module and integrated control center wireless communication connect by wireless communication;Wherein,
The tunnel methane monitoring system includes the multiple moveable tunnel gas-monitoring groups being mounted on the top-support of tunnel Part, each tunnel gas-monitoring component are responsible for monitoring some region of coal mine gas information in tunnel, and each tunnel watt This monitor component is movably arranged in respective monitoring area;The setting of protruding into of the coal-bed gas monitoring system sealing exists In the drilling in coal seam, and wireless signal transmission booster is provided in coal-bed gas monitoring system, the wireless signal transmission increases Strong device is connect with the gas management sensor signal in coal-bed gas monitoring system.
2. methane monitoring system under karst landform according to claim 1, it is characterised in that: the tunnel gas-monitoring System includes mobile hanging rail, longitudinal movement seat, longitudinal movement plate, transverse strands, laterally driven component, support column, detection control Case processed and detection sensory package, wherein the mobile hanging rail is fixed on excavation support along the length direction extension in tunnel On, the longitudinal movement seat can along it is described move hanging rail sliding be suspended on it is described move on hanging rail, and it is described It vertically moving seat and movement is driven by longitudinal drive, the lower end of the longitudinal movement seat is fixedly installed the longitudinal movement plate, The lower end surface of the longitudinal movement plate is connected with the transverse strands using the laterally driven component, adopts in the transverse strands Support column support is provided with the detection control cabinet, is connected on the lower end surface of the detection control cabinet to gas The detection sensory package being monitored, is provided in the detection control cabinet and the signal that connect of detection sensory package signal Processor, the detection control cabinet are provided with wireless communication module outside.
3. methane monitoring system under karst landform according to claim 1, it is characterised in that: in the longitudinal movement seat It is provided with longitudinal movement driving gear, the tooth with the longitudinal movement driving gear cooperation is provided on the mobile hanging rail Slot, the longitudinal movement driving gear are rolled along the tooth socket fit, and the longitudinal movement driving gear is total by control driving At being controlled and driven.
4. methane monitoring system under karst landform according to claim 3, it is characterised in that: the laterally driven component Including clockwise and anticlockwise motor, screw rod, nut seat, guide rod and guiding sliding seat, wherein the clockwise and anticlockwise motor is fixed on described vertical To the bottom surface side of movable plate, the output end of the clockwise and anticlockwise motor is connected to the screw rod by retarder, and the screw rod is adopted It is supported on the longitudinal movement plate with screw rodb base, institute's screw rod is threadedly engaged with the nut seat, and the guide rod is using guiding Pole socket is supported and fixed on the other side of the longitudinal movement plate, and the setting of the guiding sliding seat shell sliding is in the guide rod On, one of them described transverse strands is fixedly mounted on the nut seat, another transverse strands is fixedly mounted on the guiding and slides On dynamic seat.
5. methane monitoring system under karst landform according to claim 4, it is characterised in that: be arranged on the support column There is aerofoil, the aerofoil is extended downwardly along the radial direction of the support column, and extends to the downside of detection control cabinet;It is described Dust cover is provided on wireless communication module on detection control cabinet.
6. methane monitoring system under karst landform according to claim 5, it is characterised in that: the detection sensory package It is mounted on dampening assembly, the dampening assembly includes level-one dampening assembly and second level dampening assembly, wherein the level-one damping Component includes upper cover plate, diaphragm seal, spring and lower supporting plate, wherein the upper cover plate is fixed on the lower branch using outer framework On fagging, it is provided with the diaphragm seal above the lower supporting plate, is provided between the diaphragm seal and the lower supporting plate The spring, is fixedly installed installation axle on the lower supporting plate, the installation axle sequentially pass through the diaphragm seal after, upper cover plate It is connected to the lower end side of the detection control cabinet afterwards, the diaphragm seal and outer framework are all made of shock-absorbing elastic material and are made;
The second level dampening assembly includes lower elastomeric bladder, and the detection sensory package is mounted in the lower elasticity speaks in a low voice, under described The power-supply controller that detection sensory package is powered and is controlled is provided in support plate, the power-supply controller passes through conducting wire It is connected to the detection sensory package, the conducting wire is located in the lower elastomeric bladder.
7. methane monitoring system under karst landform according to claim 6, it is characterised in that: the coal-bed gas monitoring System includes fixed test bar, air exhauster, gas management sensor, wireless signal transmission booster, wherein the fixed test Protruding into for bar sealing is arranged in the drilling in coal seam, is hollow structure inside the fixed test bar, and the gas management passes Sensor, wireless signal transmission booster interval the hollow cavity being laid in the fixed test bar in, the fixed test bar Outside be communicated with the air exhauster.
8. methane monitoring system under karst landform according to claim 6, it is characterised in that: the fixed test bar Inner end is provided with air-permeable mattress, and the air-permeable mattress prevents blocking of the coal seam to fixed test bar.
9. methane monitoring system under karst landform according to claim 6, it is characterised in that: on the fixed test bar It is additionally provided with the outer ring cavity coaxial with its internal hollow cavity, outside the outer internally positioned hollow cavity of ring cavity, the outer ring is intracavitary Be filled with seal ring set, the outside of the seal ring set is the outer ring body of fixed test bar, the seal ring set it is interior Side is the interior ring body of fixed test bar, and after outer ring body protrudes into the coal bed drilling, the outer ring body is squeezed deformation, In order to which the sealing to the fixed test bar is fixed.
10. methane monitoring system under karst landform according to claim 9, it is characterised in that: in the interior ring body It is additionally provided with the pumping via hole extended along its length direction, the pumping via hole is also connected to the air exhauster.
CN201811148155.4A 2018-09-29 2018-09-29 Gas monitoring system under karst landform Active CN109184798B (en)

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CN111911233A (en) * 2020-07-07 2020-11-10 安徽理工大学 Visual monitoring and early warning system for safety behaviors of non-coal mine personnel

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