CN206928970U - A kind of real time gas concentration monitoring system for the different depth that drills - Google Patents
A kind of real time gas concentration monitoring system for the different depth that drills Download PDFInfo
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- CN206928970U CN206928970U CN201720501119.6U CN201720501119U CN206928970U CN 206928970 U CN206928970 U CN 206928970U CN 201720501119 U CN201720501119 U CN 201720501119U CN 206928970 U CN206928970 U CN 206928970U
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- real time
- gas
- concentration monitoring
- gas density
- different depth
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Abstract
The utility model provides a kind of real time gas concentration monitoring system for the different depth that drills, including gas density collection main frame, an Acquisition Instrument and some concentration sensors, gas density collection main frame is connected by cable with concentration sensor, by being wirelessly connected with Acquisition Instrument, including a real time gas concentration monitoring module；Each concentration sensor is both secured in a protecting tube, is detected gas density information and is generated electric signal, and the electric signal is sent into gas density by cable gathers main frame；The Acquisition Instrument with computer by being wirelessly connected.The system can realize the real time gas concentration monitoring to the different depth that drills, and obtain gas density information and change in concentration feature in real time, send gas high concentration early warning in time, avoid the generation of gas accident, improve the security of underground work.The system is simple in construction, and intelligence degree is high, easy to operate.
Description
Technical field
The utility model belongs to technical field of mine safety, is related to a kind of coal mine gas concentration monitoring system, and in particular to
A kind of real time gas concentration monitoring system for the different depth that drills.
Background technology
During China's conventional energy resource is formed, coal resources total amount is 5.57 trillion tons, in China's primary energy production and consumption
Proportion in structure accounts for 76% and 69%, the main body energy of the coal as China, in Chinese national economy development is promoted respectively
Play the role of important.As superficial part resource gradually decreases, exploitation of coal resources has progressed into the new normality of deep mining, coal
Resource exploitation enters after deep, and basic mechanical property damaged deformation rule and the superficial part of coal petrography have obvious otherness, right
Safety in production in colliery proposes brand-new challenge.For coal mine, it is cause coal mining accident main that gas density is too high
One of reason, into deep after change with the mechanical characteristics of coal and rock, the bearing features of its deep fractures gas, gas with
The variation characteristic of exploitation is obvious different from the presence of superficial part coal seam, and deep exploitation of coal resources faces gas safety problem also increasingly
It is severe.Therefore, in order to probe into the migration rule of gas under deep fractures gas bearing feature and mining effect, in engineering practice
Gas density in coal seam is monitored in real time, avoid gas too high and caused by disaster accident, be gas extraction and improvement
Foundation is provided.
Gas concentration monitoring system and gas concentration monitoring equipment in coal mining enterprise, be directed primarily to different operating face,
Coal-bed gas concentration monitor in difference drilling.However, due to the inhomogeneities of the preservation in coal seam, and deep fractures its gas exhibitions
Reveal the visibly different feature of superficial part, therefore the same different drilling depths that drill in deep fractures, the change of its gas density content
It is unknown to change.In coal mining enterprise's gas control, gas control scheme is carried out according further to traditional mode and experience mostly
Design, for deep fractures gas control, the gas pumping hole arrangement that is related in engineering practice, drilling depth, drilling are straight
The determination value in footpath, dip angle of hole and sealed borehole length must be considered.Therefore a kind of simple and convenient, high-intelligentization, high-precision brill are needed badly
Hole different depth real time gas concentration monitoring system.
Utility model content
In view of above-mentioned deficiency, the utility model provides a kind of real time gas concentration monitoring system for the different depth that drills, real
Now to the real time gas concentration monitoring for the different depth that drills, gas density information and change in concentration feature are obtained in real time, in time hair
Go out gas high concentration early warning, avoid the generation of gas accident, improve the security of underground work, the system is simple in construction, intelligence
Change degree is high, easy to operate.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of real time gas concentration monitoring system for the different depth that drills, including gas density collection main frame, a collection
Instrument and some concentration sensors, the gas density collection main frame be connected by cable with concentration sensor, by wirelessly with collection
Instrument connects, including a real time gas concentration monitoring module；Each concentration sensor is both secured in a protecting tube, and detection gas is dense
Degree information simultaneously generates electric signal, and the electric signal is sent into gas density by cable gathers main frame；The Acquisition Instrument passes through wireless
It is connected with computer.
Further, the protecting tube is tubular, closed at both ends, and multiple holes are provided with side wall.
Further, opposite sides is provided with two mounting holes in the middle part of the side wall of the protecting tube, the concentration sensor
Shell is provided with two screwed holes corresponding with two mounting holes, by bolt by mounting hole and the corresponding connection of screwed hole, so that
Concentration sensor is fixedly connected in protecting tube.
Further, the protecting tube is extra super duralumin alloy (mainly Al-Zn-Mg-Cu systems alloy).
Further, the concentration sensor is 2 to 8, in parallel between each other；The gas density collection main frame is 8
Passage, connection are not more than the concentration sensor of 8.
Further, the gas density scope of the concentration sensor detection is 0~5000ppm.
Further, the real time gas concentration monitoring module includes a gas concentration monitoring submodule, a processing submodule
Block, a sub-module stored and a transmission submodule, the gas concentration monitoring submodule monitor the electricity of the information containing gas density in real time
Signal is simultaneously converted to data signal, and gas density information is carried out treatment classification by the processing submodule, and the sub-module stored is appearance
Memory of the amount more than or equal to 1TB, the transmission submodule is wireless communication module.
Further, the real time gas concentration monitoring module includes early warning submodule and figure shows submodule, and this is pre-
Alert submodule connects an early-warning lamp, sets a threshold values by the early warning submodule, when gas density exceedes the threshold values, then triggers
The early-warning lamp is alarmed；The figure shows submodule is a LED LCDs.
Further, the concentration sensor includes a detection unit, a microprocessing unit and a transmission unit, the detection
Unit is used to detect gas density information, and the gas density information of detection is converted into electric signal by the microprocessing unit, passes through biography
Electric signal is inputted cable by defeated unit.
Further, the protecting tube equipped with concentration sensor is placed in drilling, is fixed by hole sealing agent, the hole sealing agent
Cement mortar including the polyurethane positioned at both ends and positioned at centre, sealed by solid hole plug addition polymerization urethane, the solid hole plug is stopper.
The beneficial effects of the utility model are：
The system is simple in construction, and its protecting tube is tubular, and side wall is loose structure, inside sets concentration sensor, can be effective
Ensure the seepage flow aggregation of monitored area gas, improve gas density data validity；Gas density collection main frame can be automatically
Detection gas density information in real time, it is intelligent high, mass data can be stored by its massive store unit, without artificial detection
And storage, operating efficiency is improved, saves human resources；Acquisition Instrument gathers the information of main frame by wireless collection gas density, and
It is convenient to computer, operation remotely to send；By the concentration sensor of multiple different depths in drilling, the system can be real-time
Monitoring drilling in different depth gas density information and change in concentration feature, be gas pumping hole arrangement, drilling depth,
Bore diameter, dip angle of hole and sealed borehole length provide data and supported；By provided with early warning mechanism sent out when gas density is too high
Go out warning information, avoid the generation of gas accident, improve the security of underground work.The system monitoring gradient is more, monitors depth
Greatly, it is easy for installation, it is easily operated, suitable for the engineerings such as mining, gas control, roadway support.
Brief description of the drawings
Fig. 1 is a kind of real time gas concentration monitoring system structure diagram of drilling different depth of embodiment.
Fig. 2 is protecting tube and concentration sensor schematic diagram.
Fig. 3 is a kind of data transmission scheme of the real time gas concentration monitoring system of drilling different depth of embodiment.
In figure：1- protecting tubes, 11- mounting holes, 2- concentration sensors, 21- screwed holes, 22- shells, 23- bolts, 3- sealing of holes
Agent, 4- solid hole plugs, 5- cables, 6- gas densities collection main frame, 7- Acquisition Instruments, 8- computers, 9- early-warning lamps.
Embodiment
To enable features described above and advantage of the present utility model to become apparent, special embodiment below, and appended by cooperation
Figure is described in detail below.
The present embodiment provides a kind of real time gas concentration monitoring system for the different depth that drills, as shown in figure 1, including protection
Pipe 1, concentration sensor 2, cable 5, gas density collection main frame 6, Acquisition Instrument 7, computer 8, early-warning lamp 9, the bar of top in figure
Shape is drilling, is easy to understand the position of concentration sensor 2, fixed position will use hole sealing agent 3 and solid hole plug 4.Wherein, it is dense
It is several to spend sensor 2, generally no more than 8, and the present embodiment selects 3, and each concentration sensor 2 is located at a protecting tube 1
It is interior and be connected with each other, it is fixed on by hole sealing agent 3 and solid hole plug 4 in drilling, it is connected with cable 5, and cable 5 uses multicore structure,
It is parallel with one another between each concentration sensor 2；Cable 5 and gas density collection main frame 6 are connected, gas density collection main frame 6 with
Acquisition Instrument 7, by wireless connection, is provided with pre- by wireless connection, Acquisition Instrument 7 with computer 8 on gas density collection main frame 6
Warning lamp 9.
As shown in Fig. 2 protecting tube 1 is tubular, closed at both ends, mounting hole 11 is left in middle both sides up and down, is provided with side wall
Intensive hole, it is easy to gas to enter aggregation.Protecting tube 1 selects extra super duralumin alloy material, avoids drilling in great horizontal stress bar
Collapse hole under part.The external diameter of protecting tube 1 is 90mm × 500mm, and internal diameter is 87mm × 500mm, each weighs about 1kg.Concentration sensor 2
The size of shell 22 is diameter 85mm × 150mm, and upper and lower both sides are provided with screwed hole 21.The external screw thread of bolt 23 and mounting hole 11 and spiral shell
The internal thread matching of pit 21, concentration sensor 2 is fixed in protecting tube 1.
Concentration sensor 2 includes detection unit, microprocessing unit and the transmission unit being sequentially connected, detection unit detection watt
The gas density information of detection is converted into electric signal, inputted by transmission unit to cable by this concentration information, microprocessing unit
5, and then gas density collection main frame 6 is transferred to, the detectable gas density scope of detection unit is in 0~5000ppm, detection essence
Degree is high.
Gas density collection main frame 6 includes the real-time detection module of a gas density, and the module specifically includes gas density prison
Survey submodule, processing submodule, sub-module stored and transmission submodule, gas concentration monitoring submodule and monitor gas density in real time
The electric signal of information simultaneously converts electrical signals to data signal, and gas density information is carried out classification processing and passed by processing submodule
Sub-module stored storage is delivered to, sub-module stored is the mass storage that capacity is more than or equal to 1TB, and transmission submodule uses nothing
The mode of line communication.Gas density collection main frame 6 also includes early warning submodule and figure shows submodule, early warning submodule and place
Submodule connection is managed, a threshold values is set in early warning submodule, when gas density exceedes the threshold values, will be triggered and early warning
The early-warning lamp 9 of module connection, sends warning information；Figure shows submodule selects LED LCDs.Concentration gathers main frame 6
For 8 passages, 8 concentration sensors can be at most connected.Gas density collection main frame 6 also includes collection button, transmission button, concentration
Sensor select button etc., the functions such as the collection, transmission and the selection to various concentrations sensor of data can be realized accordingly.
Data transfer is as shown in figure 3, gas density information is converted into electric signal transmission to gas density by concentration sensor
Main frame is gathered, gas density collection main frame is further handled by each submodule of the real-time detection module of gas density, with number
Word aspect is wirelessly transmitted to Acquisition Instrument, and Acquisition Instrument is transmitted to computer by wireless communication, and the post processing on computer is soft
The variation ofgas density feature of each depth of part analysis drilling.
One concrete application of the system is as follows：
1. according to experimental designs, horizontal bore, aperture 90mm are drilled through to layer in coal cutting roadway, drilling depth is
40m, azimuth vertical working arrangement, inclination angle are 5 °, clean residue in drilling.
2. after drilling, first from bottom hole pitch aperture 40m positions, it is put into first protection for being provided with concentration sensor
Pipe, then carries out sealing of hole, sealed borehole length 8m；The anti-of concentration sensor then is installed being put into second away from aperture 30m positions
Pillar, then carry out sealing of hole, sealed borehole length 8m；Finally away from aperture 20m positions, it is put into the 3rd and concentration sensor is installed
Protecting tube, then carry out sealing of hole, sealed borehole length 18m；Sealing of hole will use hole sealing agent, hole sealing agent includes poly- in end positions
Urethane and cement mortar in an intermediate position；Solid hole (sealing) is carried out using stopper addition polymerization urethane at the 2m of aperture.
3. after the completion for the treatment of sealing of hole, gas density collection main frame is installed near aperture the area that country rock is more stable on lane side
Domain, and cable and gas density collection main frame are attached.
4. gas density is set to gather main frame：Gas density collection main frame is adjusted to open state, it is right into Setting pattern
Answer each concentration sensor that label No. 1, No. 2, No. 3 is set respectively；Collection button is clicked on after being provided with and enters gas density
Monitoring drainage pattern in real time, data acquisition is at interval of 5 minutes records, one data.
A data acquisition is carried out 5. being gone into the well every 24 hours, step is as follows：Transmission button is clicked on, into data transfer mould
Formula, concentration sensor corresponding to selection is numbered, while opens Acquisition Instrument, and concentration sensor corresponding to selection is numbered, and is clicked on and is determined,
All data that concentration sensor is monitored can be exported.
6. Acquisition Instrument is taken back into ground, computer is imported by the pattern being wirelessly transferred；Computer is equipped with special USB
Wireless receiver, wirelessly it is connected with Acquisition Instrument, completes methane Concentration Measurement work.
Claims (10)
1. a kind of real time gas concentration monitoring system for the different depth that drills, it is characterised in that gather and lead including a gas density
Machine, an Acquisition Instrument and some concentration sensors, gas density collection main frame are connected by cable with concentration sensor, pass through nothing
Line is connected with Acquisition Instrument, including a real time gas concentration monitoring module；Each concentration sensor is both secured in a protecting tube, inspection
Survey gas density information and generate electric signal, the electric signal is sent into gas density by cable gathers main frame；The Acquisition Instrument
By being wirelessly connected with computer.
A kind of 2. real time gas concentration monitoring system of different depth that drills according to claim 1, it is characterised in that institute
It is tubular to state protecting tube, closed at both ends, and multiple holes are provided with side wall.
3. a kind of real time gas concentration monitoring system of different depth that drills according to claim 1 or 2, its feature exist
In opposite sides is provided with two mounting holes in the middle part of the side wall of the protecting tube, and the shell of the concentration sensor is provided with and two
Two screwed holes corresponding to individual mounting hole, mounting hole and screwed hole are corresponded to by bolt and connected, so that concentration sensor is fixed
It is connected in protecting tube.
A kind of 4. real time gas concentration monitoring system of different depth that drills according to claim 1, it is characterised in that institute
It is extra super duralumin alloy to state protecting tube.
A kind of 5. real time gas concentration monitoring system of different depth that drills according to claim 1, it is characterised in that institute
Concentration sensor is stated as 2 to 8, it is in parallel between each other；The gas density collection main frame is 8 passages, and connection is not more than 8
Concentration sensor.
A kind of 6. real time gas concentration monitoring system of different depth that drills according to claim 1, it is characterised in that institute
The gas density scope for stating concentration sensor detection is 0~5000ppm.
A kind of 7. real time gas concentration monitoring system of different depth that drills according to claim 1, it is characterised in that institute
Stating real time gas concentration monitoring module includes a gas concentration monitoring submodule, a processing submodule, a sub-module stored and one
Submodule is transmitted, the gas concentration monitoring submodule monitors the electric signal of the information containing gas density and is converted to digital letter in real time
Number, gas density information is carried out treatment classification by the processing submodule, and the sub-module stored is the storage that capacity is more than or equal to 1TB
Device, the transmission submodule are wireless communication module.
8. a kind of real time gas concentration monitoring system of drilling different depth according to claim 1 or 7, its feature exist
In the real time gas concentration monitoring module includes early warning submodule and figure shows submodule, early warning submodule connection one
Early-warning lamp, a threshold values is set by the early warning submodule, when gas density exceedes the threshold values, then trigger early-warning lamp alarm；
The figure shows submodule is a LED LCDs.
A kind of 9. real time gas concentration monitoring system of different depth that drills according to claim 1, it is characterised in that institute
Stating concentration sensor includes a detection unit, a microprocessing unit and a transmission unit, and the detection unit is dense for detecting gas
Information is spent, and the gas density information of detection is converted into electric signal, electric signal is inputted by transmission unit by the microprocessing unit
Cable.
A kind of 10. real time gas concentration monitoring system of different depth that drills according to claim 1, it is characterised in that
The protecting tube equipped with concentration sensor is placed in drilling, is fixed by hole sealing agent, and the hole sealing agent is included positioned at the poly- of both ends
Urethane and the cement mortar positioned at centre, are sealed, the solid hole plug is stopper by solid hole plug addition polymerization urethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501119.6U CN206928970U (en) | 2017-05-08 | 2017-05-08 | A kind of real time gas concentration monitoring system for the different depth that drills |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501119.6U CN206928970U (en) | 2017-05-08 | 2017-05-08 | A kind of real time gas concentration monitoring system for the different depth that drills |
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| Publication Number | Publication Date |
|---|---|
| CN206928970U true CN206928970U (en) | 2018-01-26 |
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| CN201720501119.6U Expired - Fee Related CN206928970U (en) | 2017-05-08 | 2017-05-08 | A kind of real time gas concentration monitoring system for the different depth that drills |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120143A (en) * | 2017-05-08 | 2017-09-01 | 中国平煤神马能源化工集团有限责任公司 | A kind of real time gas concentration monitoring system for the different depth that drills |
-
2017
- 2017-05-08 CN CN201720501119.6U patent/CN206928970U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120143A (en) * | 2017-05-08 | 2017-09-01 | 中国平煤神马能源化工集团有限责任公司 | A kind of real time gas concentration monitoring system for the different depth that drills |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180126 Termination date: 20200508 |