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 PDF

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Publication number
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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China
Prior art keywords
underground
gas
ground
receiver
optical transmitter
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Expired - Fee Related
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CN201820918490.7U
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Chinese (zh)
Inventor
王建国
殷雄
张亚平
苏俊凯
武睿萌
邓羽婷
王延秋
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Xian University of Science and Technology
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Xian University of Science and Technology
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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

A kind of underground coal mine infrared-gas device for monitoring and analyzing
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.
CN201820918490.7U 2018-06-13 2018-06-13 A kind of underground coal mine infrared-gas device for monitoring and analyzing Expired - Fee Related CN208705227U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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

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