CN208705227U - A kind of underground coal mine infrared-gas device for monitoring and analyzing - Google Patents
A kind of underground coal mine infrared-gas device for monitoring and analyzing Download PDFInfo
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- CN208705227U CN208705227U CN201820918490.7U CN201820918490U CN208705227U CN 208705227 U CN208705227 U CN 208705227U CN 201820918490 U CN201820918490 U CN 201820918490U CN 208705227 U CN208705227 U CN 208705227U
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Abstract
The utility model discloses a kind of underground coal mine infrared-gas device for monitoring and analyzing, analytic unit and ground display operation component are monitored including underground, it includes pre- pumping and sampling component that underground, which monitors analytic unit, infrared gas detector, cpu chip, ground data memory, digital analog converter, underground combined aural and visual alarm, datacom chip and underground optical transmitter and receiver, pre- pumping and sampling component include air passage explosion-proof device, pneumatic filter and sampling pump, sampling pump is connect by beam tube with infrared gas detector, infrared gas detector is electrically connected with cpu chip, cpu chip is connected by system bus with ground data memory and datacom chip, datacom chip is connect by communication line with underground optical transmitter and receiver, underground optical transmitter and receiver is connect with ground display operation component by optical fiber.The utility model realizes real-time monitoring coal mine underground gas, and environmental suitability is strong.
Description
Technical field
The utility model belongs to gas-monitoring analysis technical field, is specifically related to a kind of underground coal mine infrared-gas monitoring
Analytical equipment.
Background technique
Coal in China rich reserves, coal are all the most important non-renewable energy in China all the time.However coal mining is past
Toward along with high risk, coal mining accident constantly occurs, and causes extremely serious casualties, huge property loss and ten
Divide severe social influence.In recent years, the relationship of safety with production, safety and benefit how is correctly handled, how accurately, in fact
When, quickly fulfil coal mine safety monitoring function, guarantee rescue and relief work, safety first-aid Efficient Operation, become coal mine working
The most important thing.It was verified that quickly and accurately carrying out test to coal mine underground gas and being made point to the data that obtain of test
Analysis judgement is highly important to mine fire is reduced with gas explosion.Coal mine gas monitoring analysis is to ensure safety of coal mines
Must be basic, it is the fundamental basis of prevention of coalmine disaster, improvement and Disaster relief countermeasure.
Place difference is placed according to equipment, mine fire Tube Bundle Monitoring System is divided into terrestrial mine fire bound polyamine system
System and downhole-type mine fire Tube Bundle Monitoring System.Terrestrial mine fire Tube Bundle Monitoring System extracts downhole gas by " beam tube "
Body sample is analyzed using Ground analysis instrument, is continuously monitored to ground；But since its exhaust pipe is too long, lead to gas sample
Analyzing result, there are hysteresis, and the real-time of analysis is poor, and are easy to appear the shapes such as pipeline blockage, broken or resistance be excessive
Condition and the accuracy for influencing gas analysis, to influence the accuracy of monitoring.Downhole-type mine fire Tube Bundle Monitoring System passes through
It is placed on the monitoring device of underground, required monitoring parameters are carried out with monitoring sampling, the analysis processing at scene, thus as far as possible
It avoids bring due to exhaust pipe is too long from monitoring analytical error, improves the real-time and accuracy of monitoring, while each
Cost is all greatly saved in link.But existing downhole-type fire Tube Bundle Monitoring System is only simply sampled at present
Or analysis processing, display, it is not directed to the functions such as storage, data transmission and early warning.Therefore, it is necessary to such a coal mines
Lower infrared-gas device for monitoring and analyzing come realize the sampling of monitoring coal mine underground gas, analysis, display, storage, data transmission with
And the functions such as early warning.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies in the prior art, provide a kind of underground coal mine infrared-gas
Device for monitoring and analyzing, the device are provided with reasonable gas circuit and are independently evacuated, and the beam tube pipeline of use is short, can reach air resistance
It minimizes, collecting efficiency is high, and the sampling time is short；It is executed automatically by program, realizes underground coal mine and supervised in real time with ground station
The demand for surveying coal mine underground gas, eliminates mine fire, the danger of gas explosion and electromagnetic interference problem, to environmental suitability
By force, it can be used under the more environment of moist, dust, be suitable for coal mine operation.
A kind of underground coal mine infrared-gas monitoring point that in order to achieve the above purposes, the technical solution adopted by the utility model is:
Analysis apparatus, it is characterised in that: the underground including underground coal mine institute's detection gas vicinity is arranged in monitors analytic unit and setting
Ground display operation component at coal mine upper ground surface, underground monitoring analytic unit include pre- take out and sampling component, red
Outside line gas detecting instrument, cpu chip, underground data memory, digital analog converter, underground combined aural and visual alarm, datacom chip
With underground optical transmitter and receiver, the pre- pumping and sampling component include detection gas being carried out with the air passage explosion-proof device of technological processing for explosion protection feature, to inspection
The sampling pump that gas is dusted the pneumatic filter of processing and underground coal mine institute's detection gas are pumped into air passage explosion-proof device is surveyed,
The air passage explosion-proof device, pneumatic filter and sampling pump are sequentially connected by beam tube, connect the pneumatic filter and sampling
The flow sensor of gas flow after filtering can be observed at any time is installed on the beam tube of pump；The sampling pump by beam tube with it is infrared
Line gas detecting instrument connects and carries out component analysis, the infrared gas inspection to institute's detection gas by infrared gas detector
It surveys instrument to be electrically connected with cpu chip and institute's detection gas composition analysis result information is transferred to cpu chip, the cpu chip is logical
Cross that system bus connects with underground data memory and datacom chip and cpu chip is by the received gas composition analysis of institute
Result information is stored on underground data memory and the gas composition analysis result information is transferred to datacom chip, institute
Datacom chip is stated to connect by communication line with underground optical transmitter and receiver and transmit received gas composition analysis result information
Underground optical transmitter and receiver is given, the underground optical transmitter and receiver is connect with the ground display operation component by optical fiber；The digital analog converter
Connect with cpu chip and flow sensor and the collected analog signal of flow sensor is converted into digital signal and is transmitted
To cpu chip, the cpu chip, which also connects with underground combined aural and visual alarm and controls underground combined aural and visual alarm, is there are abnormal conditions
When issue audible and visible alarm to remind staff to pay attention to.
A kind of above-mentioned underground coal mine infrared-gas device for monitoring and analyzing, it is characterised in that: the ground display operation group
Part includes shell, display screen, ground data memory, button, communication chip, ground combined aural and visual alarm and ground optical transmitter and receiver, institute
It states display screen, button, ground combined aural and visual alarm and ground optical transmitter and receiver to be arranged on the outer wall of shell, the ground data storage
Device and communication chip are respectively provided with inside the shell；The ground optical transmitter and receiver is connect by optical fiber with underground optical transmitter and receiver and underground optical transmitter and receiver
Received gas composition analysis result information is transferred to ground optical transmitter and receiver, the ground optical transmitter and receiver connect with communication chip and will
Received gas composition analysis result information is transferred to communication chip, the communication chip connection display screen and ground data storage
Device and by received gas composition analysis result information be stored on ground data memory and by display screen show gas group
Analysis is as a result, the button and ground combined aural and visual alarm connect with communication chip.
Above-mentioned a kind of underground coal mine infrared-gas device for monitoring and analyzing, it is characterised in that: the air passage explosion-proof device is
The automatic explosion suppression device of non-transformer.
A kind of above-mentioned underground coal mine infrared-gas device for monitoring and analyzing, it is characterised in that: the infrared gas detection
The quantity of instrument be it is multiple, be in parallel between multiple infrared gas detectors.
Above-mentioned a kind of underground coal mine infrared-gas device for monitoring and analyzing, it is characterised in that: the underground optical transmitter and receiver and ground
Face optical transmitter and receiver is data optical receiver.
Above-mentioned a kind of underground coal mine infrared-gas device for monitoring and analyzing, it is characterised in that: the sampling pump is miniature true
Sky pump.
Compared with the prior art, the utility model has the following advantages:
1, the apparatus structure of the utility model is simple, and rationally, powerful, practical is strong, the degree of automation for design
It is high.
2, the utility model is arranged multiple components, and all circuits, gas circuit etc. follow Explosion-proof Design, explosion-proof in itself,
Safety, this intrinsic safety eliminates the danger such as explosion, and is capable of adopting for integration realization monitoring coal mine underground gas
The functions such as sample, analysis, display, storage, data transmission and early warning.
3, the utility model measures accurate, strong antijamming capability, repeatability due to having used infrared gas detector
Good, long service life, has apparent advantage compared with chromatography, can effectively play forewarning function, and can be to CO, CO2、CH4、
C2H6、C3H8、C4H10、H2S、C2H4And C2H2This nine kinds of gases are detected, its component is analyzed.
4, compared with prior art, the beam tube pipeline used is short for the utility model, can reach air resistance minimum
Change, collecting efficiency is high, and the sampling time is short, analyzes the strong real-time of result；It is executed automatically by program, realizes underground coal mine and ground
The demand of face work station real-time monitoring coal mine underground gas continuous continual can supervise coal mine underground gas for 24 hours
Survey, eliminate mine fire, the danger of gas explosion and electromagnetic interference problem, it is strong to environmental suitability, can moist, dust compared with
It is used under more environment, is suitable for coal mine operation.
Below by drawings and examples, the utility model is further described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model underground coal mine infrared-gas device for monitoring and analyzing.
Description of symbols:
1-pre- pumping and sampling component；1-1-air passage explosion-proof device；1-2-pneumatic filter；
1-3-flow sensor；1-4-sampling pump；2-infrared gas detectors；
3-cpu chips；4-underground data memories；5-digital analog converters；
6-underground combined aural and visual alarms；7-datacom chips；8-underground optical transmitter and receivers；
9-1-display screen；9-2-ground data memory；9-3-button；
9-4-communication chip；9-5-ground combined aural and visual alarm；9-6-ground optical transmitter and receiver；
9-7-shell；10-optical fiber.
Specific embodiment
As shown in Figure 1, a kind of underground coal mine infrared-gas device for monitoring and analyzing of the utility model, including be arranged in coal mine
The ground display operation group that the underground of underground institute's detection gas vicinity monitors analytic unit and is arranged at coal mine upper ground surface
Part, the underground monitoring analytic unit include pre- pumping and sampling component 1, infrared gas detector 2, cpu chip 3, underground number
According to memory 4, digital analog converter 5, underground combined aural and visual alarm 6, datacom chip 7 and underground optical transmitter and receiver 8, it is described it is pre- pumping and adopt
Sample component 1 includes that detection gas are carried out with the air passage explosion-proof device 1-1 of technological processing for explosion protection feature, detection gas are dusted with the gas of processing
The body filter 1-2 and sampling pump 1-4 that underground coal mine institute's detection gas are pumped into air passage explosion-proof device 1-1, the gas circuit flame proof
Device 1-1, pneumatic filter 1-2 and sampling pump 1-4 are sequentially connected by beam tube, connect the pneumatic filter 1-2 and sampling
The flow sensor 1-3 of gas flow after filtering can be observed at any time is installed on the beam tube of pump 1-4；The sampling pump 1-4 passes through
Beam tube connect with infrared gas detector 2 and carries out component analysis by 2 pairs of institute's detection gas of infrared gas detector, described
Infrared gas detector 2 is electrically connected with cpu chip 3 and institute's detection gas composition analysis result information is transferred to cpu chip
3, the cpu chip 3 is connected by system bus with underground data memory 4 and datacom chip 7 and cpu chip 3 will
The received gas composition analysis result information of institute is stored on underground data memory 4 and by the gas composition analysis result information
It is transferred to datacom chip 7, the datacom chip 7 is connect with underground optical transmitter and receiver 8 by communication line and will be received
Gas composition analysis result information is transferred to underground optical transmitter and receiver 8, and the underground optical transmitter and receiver 8 and the ground display operation component are logical
Cross the connection of optical fiber 10；The digital analog converter 5 connects with cpu chip 3 and flow sensor 1-3 and by flow sensor 1-3
Collected analog signal is converted to digital signal and is transferred to cpu chip 3, the cpu chip 3 also with underground combined aural and visual alarm
6, which connect and control underground combined aural and visual alarm 6, issues audible and visible alarm when an abnormal situation occurs to remind staff to pay attention to.
As shown in Figure 1, the ground display operation component includes shell 9-7, display screen 9-1, ground data memory 9-
2, button 9-3, communication chip 9-4, ground combined aural and visual alarm 9-5 and ground optical transmitter and receiver 9-6, the display screen 9-1, button 9-3,
Ground combined aural and visual alarm 9-5 and ground optical transmitter and receiver 9-6 are arranged on the outer wall of shell 9-7, the ground data memory 9-
2 and communication chip 9-4 is arranged in shell 9-7；The ground optical transmitter and receiver 9-6 is connect by optical fiber 10 with underground optical transmitter and receiver 8
And received gas composition analysis result information is transferred to ground optical transmitter and receiver 9-6, the ground optical transmitter and receiver 9- by underground optical transmitter and receiver 8
6 connect with communication chip 9-4 and received gas composition analysis result information are transferred to communication chip 9-4, the communication core
Piece 9-4 connection display screen 9-1 and ground data memory 9-2 and received gas composition analysis result information is stored in ground
Show gas composition analysis as a result, the button 9-3 and ground sound-light alarm on data storage 9-2 and by display screen 9-1
Device 9-5 connects with communication chip 9-4.
In the present embodiment, the air passage explosion-proof device 1-1 is the automatic explosion suppression device of non-transformer, can purchase, is examined on the market
The gas of survey, which enters, can wherein play explosion-proof.
In the present embodiment, the quantity of the infrared gas detector 2 is multiple, multiple infrared gas detectors
It is in parallel between 2, it can be simultaneously to CO, CO2、CH4、C2H6、C3H8、 C4H10、H2S、C2H4And C2H2This nine kinds of gases carry out component
Analysis does not interfere with each other analytic process each other；It is in order to which gas carries out component using multiple infrared gas detectors 2
Analyze speed faster.
In the present embodiment, the underground optical transmitter and receiver 8 and ground optical transmitter and receiver 9-6 are data optical receiver.
In the present embodiment, the sampling pump 1-4 is minipump, is connect with cpu chip 3, in the control of cpu chip 3
Under can uninterrupted operating in continuous 24 hours, taken out and sampling component 1 vacuumizes to pre-, and the gas that underground coal mine is detected
Body is pumped into air passage explosion-proof device 1-1.
The working principle of the utility model are as follows: user starts sampling pump 1-4 by operation button 9-3, and starting is believed
Number it is sent to communication chip 9-4, after communication chip 9-4 receives enabling signal, which is sent to ground optical transmitter and receiver
9-6；After ground optical transmitter and receiver 9-6 receives enabling signal, which is sent to underground optical transmitter and receiver 8；Underground optical transmitter and receiver 8 connects
After receiving enabling signal, which is sent to datacom chip 7；After datacom chip 7 receives enabling signal,
Control sampling pump 1-4 starting.
Sampling pump 1-4 starts to carry out vacuumize process to pre- pumping and sampling component 1, and utilizes the negative pressure of generation by coal mine
Lower detection gas are successively pumped into air passage explosion-proof device 1-1, pneumatic filter 1-2 and flow sensor 1-3；First by gas circuit every
Quick-fried device 1-1 carries out technological processing for explosion protection feature to detection gas, prevents gas from exploding in the whole process；Subsequently enter gas filtration
In device 1-2, processing is dusted to detection gas, prevents dust from entering and beam tube is caused to block；Then pass through flow sensor
When 1-3, filtered gas flow can be observed at any time, to understand gas sampling situation.
When institute's detection gas are entered in infrared gas detector 2 by beam tube, then infrared gas detector 2 starts pair
CO, CO are carried out in institute's detection gas2、CH4、C2H6、C3H8、C4H10、 H2S、C2H4And C2H2This nine kinds of gas composition analysis, and will
Gas composition analysis result information is transferred to cpu chip 3.
After cpu chip 3 receives the gas composition analysis result information, it is stored in underground data memory 4, together
When the gas composition analysis result information is transferred to datacom chip 7 again, datacom chip 7 receives gas component point
Underground optical transmitter and receiver 8 is transferred to after analysis result information.
After underground optical transmitter and receiver 8 receives gas composition analysis result information, which is sent
Give ground optical transmitter and receiver 9-6.
After ground optical transmitter and receiver 9-6 receives gas composition analysis result information, which is sent out
Give communication chip 9-4；After communication chip 9-4 receives gas composition analysis result information, it is stored in ground data and deposits
On reservoir 9-2, while being shown in display screen 9-1；Gas composition analysis result information is constantly in ground data memory
9-2 storage, and constantly shown in display screen 9-1, communication chip 9-4 is to a series of gas composition analysis results being collected into
Information is arranged, and then draws out the gas concentration tendency chart that changes over time of analysis result, and by display screen 9-1 into
Row display.
User can give CO, CO on communication chip 9-42、CH4、C2H6、C3H8、C4H10、 H2S、C2H4And C2H2This nine kinds
Gas concentration danger critical value is arranged in gas.
When user sees certain gas concentration up to or over its danger by the gas concentration tendency chart on display screen 9-1
When dangerous critical value, communication chip 9-4 is made to send danger signal to ground optical transmitter and receiver 9-6 by operation button 9-3, or by leading to
News chip 9-4 gives ground optical transmitter and receiver 9-6 to send danger signal automatically；Simultaneous communications chip 9-4 controls ground combined aural and visual alarm 9-5
Send distress signal audible and visible alarm, for reminding surface personnel to be ready to cope with the mine fire that may occur, gas
Explosion and asphyxia or other risk events for jeopardizing personal safety；
After ground optical transmitter and receiver 9-6 receives danger signal, which is sent to underground optical transmitter and receiver 8；Underground light end
After machine 8 receives danger signal, which is sent to datacom chip 7；Datacom chip 7 receives dangerous letter
After number, which is sent to cpu chip 3；After CPU chip 3 receives danger signal, underground combined aural and visual alarm 6 is controlled
Send distress signal audible and visible alarm, for reminding underground work personnel to take care, and is ready to cope with the mine that may occur
Well fire, gas explosion and asphyxia or other risk events for jeopardizing personal safety；
When flow sensor 1-3 detects the gas flow exception or abnormal sampling of sampling, flow sensor 1-3 meeting
Gas flow abnormal signal is issued, then the digital analog converter 5 connecting with flow sensor 1-3 can send out flow sensor 1-3
Abnormal analog signal out is converted to digital signal, and is transmitted to cpu chip 3；It is different that cpu chip 3 receives gas flow
After regular signal, datacom chip 7 is sent the signal to, while controlling underground combined aural and visual alarm 6 and issuing abnormal signal acousto-optic
Alarm, for reminding underground work personnel to notice that sampling is abnormal；After datacom chip 7 receives gas flow abnormal signal,
The abnormal signal is sent to underground optical transmitter and receiver 8；After underground optical transmitter and receiver 8 receives gas flow abnormal signal, by the abnormal signal
It is sent to ground optical transmitter and receiver 9-6；After ground optical transmitter and receiver 9-6 receives gas flow abnormal signal, which is sent to
Communication chip 9-4；After communication chip 9-4 receives abnormal signal, it is alert that control ground combined aural and visual alarm 9-5 issues abnormal signal acousto-optic
Report, for reminding surface personnel to notice that sampling is abnormal.
After surface personnel notices the abnormal signal, allowed by operation button 9-3 to communication chip 9-4 sending
Infrared gas detector 2 stops analysis, cleaning, checks operation signal；After communication chip 9-4 receives operation signal, by this
Operation signal is sent to ground optical transmitter and receiver 9-6；After ground optical transmitter and receiver 9-6 receives operation signal, which is sent to
Underground optical transmitter and receiver 8；After underground optical transmitter and receiver 8 receives operation signal, which is sent to cpu chip 3；Cpu chip 3
After receiving operation signal, control infrared gas detector 2 stops analysis, cleaning, checks operation.
If any exception has been not detected in flow sensor 1-3, can issue gas flow and normally believe after this operation
Number, then the normal analog signal of gas flow can be converted to digital letter by the digital analog converter 5 connecting with flow sensor 1-3
Number, and transmit the signal to cpu chip 3；After cpu chip 3 receives gas flow normal signal, underground sound-light alarm is controlled
Device 6 stops issuing abnormal signal audible and visible alarm, and gas flow normal signal is sent to datacom chip 7；Data communication
After chip 7 receives gas flow normal signal, which is sent to underground optical transmitter and receiver 8；Underground light end
After machine 8 receives gas flow normal signal, which is sent to ground optical transmitter and receiver 9-6；Ground light end
After machine 9-6 receives gas flow normal signal, which is sent to communication chip 9-4；Communication chip
After 9-4 receives gas flow normal signal, control ground combined aural and visual alarm 9-5 stops issuing abnormal signal audible and visible alarm.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to the utility model technical spirit any simple modification, change and equivalent structure transformation to the above embodiments, still
Belong in the protection scope of technical solutions of the utility model.
Claims (6)
1. a kind of underground coal mine infrared-gas device for monitoring and analyzing, it is characterised in that: including being arranged in the detected gas of underground coal mine
The ground display operation component that the underground of body vicinity monitors analytic unit and is arranged at coal mine upper ground surface, the underground prison
Surveying analytic unit includes pre- pumping and sampling component (1), infrared gas detector (2), cpu chip (3), underground data memory
(4), digital analog converter (5), underground combined aural and visual alarm (6), datacom chip (7) and underground optical transmitter and receiver (8), it is described it is pre- pumping and
Sampling component (1) includes that detection gas are carried out with the air passage explosion-proof device (1-1) of technological processing for explosion protection feature, is dusted place to detection gas
The pneumatic filter (1-2) of reason and the sampling pump (1-4) that underground coal mine institute's detection gas are pumped into air passage explosion-proof device (1-1),
The air passage explosion-proof device (1-1), pneumatic filter (1-2) and sampling pump (1-4) are sequentially connected by beam tube, connect the gas
The flow sensor of gas flow after filtering can be observed at any time is installed on the beam tube of body filter (1-2) and sampling pump (1-4)
(1-3)；The sampling pump (1-4) is connect and by infrared gas detector (2) by beam tube with infrared gas detector (2)
Component analysis is carried out to institute's detection gas, the infrared gas detector (2) is electrically connected and will be detected with cpu chip (3)
Gas composition analysis result information is transferred to cpu chip (3), and the cpu chip (3) is stored by system bus and underground data
Device (4) and datacom chip (7) connect and the received gas composition analysis result information of institute is stored in by cpu chip (3)
It is transferred to datacom chip (7) on underground data memory (4) and by the gas composition analysis result information, the data are logical
News chip (7) are connect with underground optical transmitter and receiver (8) by communication line and are transferred to received gas composition analysis result information
Underground optical transmitter and receiver (8), the underground optical transmitter and receiver (8) are connect with the ground display operation component by optical fiber (10)；The number
Mode converter (5) connects with cpu chip (3) and flow sensor (1-3) and by flow sensor (1-3) collected simulation
Signal is converted to digital signal and is transferred to cpu chip (3), and the cpu chip (3) also connects with underground combined aural and visual alarm (6)
And control underground combined aural and visual alarm (6) issues audible and visible alarm when an abnormal situation occurs to remind staff to pay attention to.
2. a kind of underground coal mine infrared-gas device for monitoring and analyzing described in accordance with the claim 1, it is characterised in that: the ground
Display operation component includes shell (9-7), display screen (9-1), ground data memory (9-2), button (9-3), communication chip
(9-4), ground combined aural and visual alarm (9-5) and ground optical transmitter and receiver (9-6), the display screen (9-1), button (9-3), ground acousto-optic
Alarm (9-5) and ground optical transmitter and receiver (9-6) are arranged on the outer wall of shell (9-7), the ground data memory (9-2)
It is arranged in shell (9-7) with communication chip (9-4)；The ground optical transmitter and receiver (9-6) passes through optical fiber (10) and underground light end
Machine (8) connection and received gas composition analysis result information is transferred to ground optical transmitter and receiver (9-6), institute by underground optical transmitter and receiver (8)
Ground optical transmitter and receiver (9-6) is stated to connect with communication chip (9-4) and received gas composition analysis result information is transferred to communication
Chip (9-4), the communication chip (9-4) connection display screen (9-1) and ground data memory (9-2) and by received gas
Composition analysis result information is stored on ground data memory (9-2) and shows gas composition analysis by display screen (9-1)
As a result, the button (9-3) and ground combined aural and visual alarm (9-5) connect with communication chip (9-4).
3. a kind of underground coal mine infrared-gas device for monitoring and analyzing according to claim 1 or 2, it is characterised in that: described
Air passage explosion-proof device (1-1) is the automatic explosion suppression device of non-transformer.
4. a kind of underground coal mine infrared-gas device for monitoring and analyzing according to claim 1 or 2, it is characterised in that: described
The quantity of infrared gas detector (2) be it is multiple, be in parallel between multiple infrared gas detectors (2).
5. a kind of underground coal mine infrared-gas device for monitoring and analyzing according to claim 1 or 2, it is characterised in that: described
Underground optical transmitter and receiver (8) and ground optical transmitter and receiver (9-6) are data optical receiver.
6. a kind of underground coal mine infrared-gas device for monitoring and analyzing according to claim 1 or 2, it is characterised in that: described
Sampling pump (1-4) is minipump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918490.7U CN208705227U (en) | 2018-06-13 | 2018-06-13 | A kind of underground coal mine infrared-gas device for monitoring and analyzing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918490.7U CN208705227U (en) | 2018-06-13 | 2018-06-13 | A kind of underground coal mine infrared-gas device for monitoring and analyzing |
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| Publication Number | Publication Date |
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| CN208705227U true CN208705227U (en) | 2019-04-05 |
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ID=65936273
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820918490.7U Expired - Fee Related CN208705227U (en) | 2018-06-13 | 2018-06-13 | A kind of underground coal mine infrared-gas device for monitoring and analyzing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562554A (en) * | 2018-06-13 | 2018-09-21 | 西安科技大学 | A kind of underground coal mine infrared-gas device for monitoring and analyzing and its application method |
| CN112127954A (en) * | 2020-10-20 | 2020-12-25 | 贵州赢九歌网络科技有限公司 | Colliery is safety monitoring system in pit based on thing networking |
| CN114324220A (en) * | 2021-12-24 | 2022-04-12 | 安徽庆宇光电科技有限公司 | Motor vehicle tail gas collecting and detecting device on multi-lane road surface |
| CN114646734A (en) * | 2022-03-18 | 2022-06-21 | 中煤科工集团重庆研究院有限公司 | Goaf gas in-situ monitoring device and detection method |
-
2018
- 2018-06-13 CN CN201820918490.7U patent/CN208705227U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562554A (en) * | 2018-06-13 | 2018-09-21 | 西安科技大学 | A kind of underground coal mine infrared-gas device for monitoring and analyzing and its application method |
| CN112127954A (en) * | 2020-10-20 | 2020-12-25 | 贵州赢九歌网络科技有限公司 | Colliery is safety monitoring system in pit based on thing networking |
| CN114324220A (en) * | 2021-12-24 | 2022-04-12 | 安徽庆宇光电科技有限公司 | Motor vehicle tail gas collecting and detecting device on multi-lane road surface |
| CN114324220B (en) * | 2021-12-24 | 2024-04-26 | 安徽庆宇光电科技有限公司 | Motor vehicle tail gas collecting and detecting device on multi-lane road surface |
| CN114646734A (en) * | 2022-03-18 | 2022-06-21 | 中煤科工集团重庆研究院有限公司 | Goaf gas in-situ monitoring device and detection method |
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Granted publication date: 20190405 Termination date: 20200613 |