CN106290743A - A kind of coal mine gas concentration detection and safety early warning device - Google Patents
A kind of coal mine gas concentration detection and safety early warning device Download PDFInfo
- Publication number
- CN106290743A CN106290743A CN201610877713.5A CN201610877713A CN106290743A CN 106290743 A CN106290743 A CN 106290743A CN 201610877713 A CN201610877713 A CN 201610877713A CN 106290743 A CN106290743 A CN 106290743A
- Authority
- CN
- China
- Prior art keywords
- concentration measurement
- methane concentration
- measurement sensor
- sensor
- central controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 239000003245 coal Substances 0.000 title claims abstract description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 136
- 238000005259 measurement Methods 0.000 claims abstract description 68
- 239000007789 gas Substances 0.000 description 35
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
- G01N33/0075—Control unit therefor for multiple spatially distributed sensors, e.g. for environmental monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Emergency Alarm Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The invention discloses a kind of coal mine gas concentration detection and safety early warning device, including central controller, it is electrically connected with between data display screen and central controller on the outer wall of described central controller, multiple methane Concentration Measurement sensor is set on described tunnel internal ring wall, described roof methane Concentration Measurement sensor, top methane Concentration Measurement sensor, bottom methane Concentration Measurement sensor, bottom methane Concentration Measurement sensor and temperature sensor are all electrically connected with the central controller of internally installed gas danger numerical computations sequencer program, compare conventional device sensor increasing number, increase the adequacy of detection；And, single unit system can be definite for the gas density numerical value having been detected by, and opens new calculation step, and according to calculating numerical value, carries out the early warning of various ways in advance.Preferably ensure the safety of underground work personnel, ensure health and the safety of life to staff with time enough.
Description
Technical field
The present invention relates to coal mine safety prewarning correlative technology field, be specially a kind of coal mine gas concentration detection and safety is pre-
Alarm device.
Background technology
In mining industry, safety of coal mines problem is the most prominent, and accident frequently occurs, and seriously jeopardizes the life peace of miner
Entirely, national economic development is produced huge negative effect.Gas is present in coal seam and coal measures bottom, is that Organic substance rots to be formed
The gas produced during coal.Accumulating in channel upper to divide and below top layer, gas itself does not has toxicity, it is impossible to supply is exhaled
Inhaling, it is impossible to combustion-supporting, excessive concentration can reduce content of oxygen in air, and gas density and air are blended in 5%～during 15% scope
Easily explode, for one of main arch-criminal of accident of mine disaster.If able to according to down-hole situation, monitor gas density in real time, will
The generation of minimizing accident.
But down-hole is comprehensive not to the Concentration Testing of coal mine gas now, first it is device or the number of sensors of detection
Less, do not accomplish the adequacy of detection, and, existing gas management equipment functions only as the effect of detection, the most definite
For the gas density numerical value having been detected by, open new step, preferably to ensure the safety of underground work personnel, should
According to the concentration value of gas, make the time of origin of danger, ensure health and the peace of life to staff with time enough
Entirely.
Summary of the invention
It is an object of the invention to provide a kind of coal mine gas concentration detection and safety early warning device, to solve above-mentioned background
The problem proposed in technology.
For achieving the above object, the present invention provides following technical scheme: a kind of coal mine gas concentration detects and safe early warning
Device, including central controller, the outer wall of described central controller arranges data display screen, described data display screen and in
Being electrically connected with between the controller of centre, described central controller is fixedly mounted on tunnel internal ring wall, and described tunnel internal ring wall sets
Top set wall methane Concentration Measurement sensor, top methane Concentration Measurement sensor, bottom methane Concentration Measurement sensor, bottom watt
In the middle of this concentration detection sensor, described top methane Concentration Measurement sensor and bottom methane Concentration Measurement sensor, empty wall sets
Put temperature sensor, described tunnel internal ring wall arranges alarm device, described roof methane Concentration Measurement sensor, top gas
Concentration detection sensor, bottom methane Concentration Measurement sensor, bottom methane Concentration Measurement sensor and temperature sensor are the most electric
Property connect central controller, the internally installed gas danger numerical computations sequencer program of described central controller.
Preferably, the alarm device on described tunnel internal ring wall includes audio alarm device and light source alarm device, described
Audio alarm device is arranged on the both sides up and down of temperature sensor, and described light source alarm device is arranged on roof methane Concentration Measurement
On the middle empty wall of sensor and top methane Concentration Measurement sensor.
Preferably, the methane Concentration Measurement sensor on described tunnel internal ring wall has six, described roof gas density
Detection sensor and bottom methane Concentration Measurement sensor be respectively provided with one, described top methane Concentration Measurement sensor and under
Portion's methane Concentration Measurement sensor is respectively provided with two, and is symmetrical arranged between any two.
Preferably, described data display screen is divided into six small-sized data display screens, and small-sized data display screen is equal
Be electrically connected with on central controller, and small-sized data display screen and arrange gas density contrast difference frame, gas density numerical value shows
Show frame and temperature data display box.
The intelligent controller model that described central controller uses is XMTD-7412, and described roof methane Concentration Measurement passes
Sensor, top methane Concentration Measurement sensor, bottom methane Concentration Measurement sensor and bottom methane Concentration Measurement sensor are adopted
Gas concentration sensor model be MQ135, described temperature sensor use sensor model number be HSTL-104WS.
Compared with prior art, the invention has the beneficial effects as follows: the detection of this coal mine gas concentration and safety early warning device, phase
More conventional device sensor increasing number, increases the adequacy of detection；And, single unit system can be definite for having examined
The gas density numerical value measured, opens new calculation step, and according to calculating numerical value, carries out the early warning of various ways in advance.
Preferably ensure the safety of underground work personnel, ensure health and the safety of life to staff with time enough.
Accompanying drawing explanation
Fig. 1 is the tunnel internal ring wall side-looking structural representation of the present invention；
Fig. 2 is the central controller structural representation of the present invention；
Fig. 3 is the system work block diagram of the present invention.
In figure: 1 tunnel internal ring wall, 2 central controllers, 3 roof methane Concentration Measurement sensors, 4 top gas density inspections
Survey sensor, 5 bottom methane Concentration Measurement sensors, methane Concentration Measurement sensor, 7 temperature sensors, 8 light source reports bottom 6
Alarm device, 9 audio alarm devices, 10 data display screens, 11 small-sized data display screens.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1-3, the present invention provides a kind of technical scheme: a kind of coal mine gas concentration detection and safe early warning fill
Putting, including central controller 2, the outer wall of described central controller 2 arranges data display screen 10, described data display screen 10
And be electrically connected with between central controller 2, described data display screen 10 is divided into six small-sized data display screens 11, and small-sized
Data display screen 11 is all electrically connected with on central controller 2, and small-sized data display screen 11 and arranges gas density contrast differences
Value frame, gas density numerical value display box and temperature data display box, described central controller 2 is fixedly mounted on tunnel internal ring wall 1
On, described tunnel internal ring wall 1 arranges roof methane Concentration Measurement sensor 3, top methane Concentration Measurement sensor 4, bottom
Methane Concentration Measurement sensor 5, bottom methane Concentration Measurement sensor 6, the methane Concentration Measurement on described tunnel internal ring wall 1 passes
Sensor has six, and described roof methane Concentration Measurement sensor 3 and bottom methane Concentration Measurement sensor 6 are respectively provided with one
Individual, described top methane Concentration Measurement sensor 4 and bottom methane Concentration Measurement sensor 5 are respectively provided with two, and between any two
Being symmetrical arranged, in the middle of described top methane Concentration Measurement sensor 4 and bottom methane Concentration Measurement sensor 5, empty wall arranges temperature
Sensor 7, described tunnel internal ring wall 1 arranges alarm device, and the alarm device on described tunnel internal ring wall 1 includes audio alarm
Device 9 and light source alarm device 8, described audio alarm device 9 is arranged on the both sides up and down of temperature sensor 7, described light source report
Alarm device 8 is arranged on the middle empty wall of roof methane Concentration Measurement sensor 3 and top methane Concentration Measurement sensor 4, institute
State roof methane Concentration Measurement sensor 3, top methane Concentration Measurement sensor 4, bottom methane Concentration Measurement sensor 5, the end
Portion's methane Concentration Measurement sensor 6 and temperature sensor 7 are all electrically connected with central controller 2, the inside of described central controller 2
Installing gas danger numerical computations sequencer program, the intelligent controller model that described central controller 2 uses is XMTD-7412,
Described roof methane Concentration Measurement sensor 3, top methane Concentration Measurement sensor 4, bottom methane Concentration Measurement sensor 5 and
The gas concentration sensor model that bottom methane Concentration Measurement sensor 6 uses is MQ135, and described temperature sensor 7 uses
Sensor model number is HSTL-104WS.
Operation principle: the detection of this coal mine gas concentration and safety early warning device, according to the roof gas on tunnel internal ring wall 1
Concentration detection sensor 3, top methane Concentration Measurement sensor 4, bottom methane Concentration Measurement sensor 5 and bottom gas density
Detection sensor 6 is right, and the internal gas in down-hole carries out Concentration Testing and data are transmitted to central controller 2, owing to each gas is dense
The position of degree detection sensor is different from, so the data detected are more comprehensive, coordinates temperature sensor 7 number of detection
According to incoming central controller 2, under the calculating of internal gas danger numerical computations sequencer program, overall numerical value is shown by data
Six small-sized data display screens 11 on screen 10, respectively six position methane Concentration Measurement sensors of display detect watt
This numerical value contrast difference, gas density numerical value and Temperature numerical.Afterwards according to gas dangerous concentrations standard, at central controller 2
Regulation and control alarm device, utilize audio alarm device 9 and light source alarm device 8 to report to the police.Realize the peace of underground work personnel
Entirely, health and the safety of life are ensured to staff with time enough.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. coal mine gas concentration detection and a safety early warning device, including central controller (2), it is characterised in that: in described
The outer wall of centre controller (2) arranges data display screen (10), between described data display screen (10) and central controller (2)
Being electrically connected with, described central controller (2) is fixedly mounted on tunnel internal ring wall (1), described tunnel internal ring wall (1) arranges top
Wall methane Concentration Measurement sensor (3), top methane Concentration Measurement sensor (4), bottom methane Concentration Measurement sensor (5),
Bottom methane Concentration Measurement sensor (6), described top methane Concentration Measurement sensor (4) and bottom methane Concentration Measurement sensing
In the middle of device (5), empty wall arranges temperature sensor (7), and described tunnel internal ring wall (1) arranges alarm device, and described roof gas is dense
Degree detection sensor (3), top methane Concentration Measurement sensor (4), bottom methane Concentration Measurement sensor (5), bottom gas
Concentration detection sensor (6) and temperature sensor (7) are all electrically connected with central controller (2), described central controller (2) interior
Gas danger numerical computations sequencer program is installed in portion.
A kind of coal mine gas concentration detection the most according to claim 1 and safety early warning device, it is characterised in that: described tunnel
Alarm device on road internal ring wall (1) includes audio alarm device (9) and light source alarm device (8), described audio alarm device
(9) being arranged on the both sides up and down of temperature sensor (7), described light source alarm device (8) is arranged on roof methane Concentration Measurement and passes
On the middle empty wall on sensor (3) and top methane Concentration Measurement sensor (4).
A kind of coal mine gas concentration detection the most according to claim 1 and safety early warning device, it is characterised in that: described tunnel
Methane Concentration Measurement sensor on road internal ring wall (1) has six, described roof methane Concentration Measurement sensor (3) and bottom
Methane Concentration Measurement sensor (6) is respectively provided with one, described top methane Concentration Measurement sensor (4) and bottom gas density
Detection sensor (5) is respectively provided with two, and is symmetrical arranged between any two.
A kind of coal mine gas concentration detection the most according to claim 1 and safety early warning device, it is characterised in that: described number
It is divided into six small-sized data display screens (11) according to display screen (10), and during small-sized data display screen (11) is all electrically connected with
Centre controller (2), and gas density contrast difference frame, gas density numerical value display box are set on small-sized data display screen (11)
With temperature data display box.
A kind of coal mine gas concentration detection the most according to claim 1 and safety early warning device, it is characterised in that: in described
The intelligent controller model that centre controller (2) uses is XMTD-7412, described roof methane Concentration Measurement sensor (3), top
Methane Concentration Measurement sensor (4), bottom methane Concentration Measurement sensor (5) and bottom methane Concentration Measurement sensor (6) are adopted
Gas concentration sensor model be MQ135, the sensor model number that described temperature sensor (7) uses is HSTL-104WS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877713.5A CN106290743A (en) | 2016-10-08 | 2016-10-08 | A kind of coal mine gas concentration detection and safety early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877713.5A CN106290743A (en) | 2016-10-08 | 2016-10-08 | A kind of coal mine gas concentration detection and safety early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106290743A true CN106290743A (en) | 2017-01-04 |
Family
ID=57718258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610877713.5A Pending CN106290743A (en) | 2016-10-08 | 2016-10-08 | A kind of coal mine gas concentration detection and safety early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106290743A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870008A (en) * | 2017-04-06 | 2017-06-20 | 安徽理工大学 | A kind of safety early warning device for detecting coal mine gas |
| CN107503797A (en) * | 2017-08-25 | 2017-12-22 | 合肥明信软件技术有限公司 | Mine Methane tendency early warning system based on 3D emulation platforms |
| CN110322668A (en) * | 2019-05-23 | 2019-10-11 | 安徽仁裕食品有限公司 | A kind of effective period of food quality system for prompting and method |
| CN118624118A (en) * | 2024-08-09 | 2024-09-10 | 中交第二公路工程局有限公司 | Portable gas check-out set for tunnel engineering |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847799A (en) * | 2006-03-20 | 2006-10-18 | 于国朝 | Portable coal mine data information recorder |
| CN2884198Y (en) * | 2006-01-24 | 2007-03-28 | 傅裕刚 | Composite sensor for methane and temp. |
| CN201339485Y (en) * | 2009-01-21 | 2009-11-04 | 西安森舍电子科技有限责任公司 | Mining integrated alarm device |
| CN201382817Y (en) * | 2009-03-13 | 2010-01-13 | 郑州创威煤安科技有限公司 | Multifunctional detector |
| CN102155266A (en) * | 2011-03-29 | 2011-08-17 | 天地（常州）自动化股份有限公司 | Method for detecting abnormity of gas quantity monitoring information in coal mine monitoring system |
| CN102691521A (en) * | 2012-05-18 | 2012-09-26 | 北京安科兴业科技有限公司 | Installation method for driving working face monitoring system |
| CN204116225U (en) * | 2014-10-09 | 2015-01-21 | 河南科技学院 | A kind of Portable mining infrared methane gas detecting system |
| CN105143875A (en) * | 2013-03-15 | 2015-12-09 | 卡特彼勒环球矿业欧洲有限公司 | Ensuring working conditions along a longwall face |
| CN205089368U (en) * | 2015-10-29 | 2016-03-16 | 中煤科工集团重庆研究院有限公司 | Gas Outburst Alarm System |
| CN105737886A (en) * | 2014-12-11 | 2016-07-06 | 徐州江煤科技有限公司 | Mining multi-parameter measuring device |
| CN206057299U (en) * | 2016-10-08 | 2017-03-29 | 安徽理工大学 | A kind of coal mine gas concentration detection and safety early warning device |
-
2016
- 2016-10-08 CN CN201610877713.5A patent/CN106290743A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2884198Y (en) * | 2006-01-24 | 2007-03-28 | 傅裕刚 | Composite sensor for methane and temp. |
| CN1847799A (en) * | 2006-03-20 | 2006-10-18 | 于国朝 | Portable coal mine data information recorder |
| CN201339485Y (en) * | 2009-01-21 | 2009-11-04 | 西安森舍电子科技有限责任公司 | Mining integrated alarm device |
| CN201382817Y (en) * | 2009-03-13 | 2010-01-13 | 郑州创威煤安科技有限公司 | Multifunctional detector |
| CN102155266A (en) * | 2011-03-29 | 2011-08-17 | 天地（常州）自动化股份有限公司 | Method for detecting abnormity of gas quantity monitoring information in coal mine monitoring system |
| CN102691521A (en) * | 2012-05-18 | 2012-09-26 | 北京安科兴业科技有限公司 | Installation method for driving working face monitoring system |
| CN105143875A (en) * | 2013-03-15 | 2015-12-09 | 卡特彼勒环球矿业欧洲有限公司 | Ensuring working conditions along a longwall face |
| CN204116225U (en) * | 2014-10-09 | 2015-01-21 | 河南科技学院 | A kind of Portable mining infrared methane gas detecting system |
| CN105737886A (en) * | 2014-12-11 | 2016-07-06 | 徐州江煤科技有限公司 | Mining multi-parameter measuring device |
| CN205089368U (en) * | 2015-10-29 | 2016-03-16 | 中煤科工集团重庆研究院有限公司 | Gas Outburst Alarm System |
| CN206057299U (en) * | 2016-10-08 | 2017-03-29 | 安徽理工大学 | A kind of coal mine gas concentration detection and safety early warning device |
Non-Patent Citations (1)
| Title |
|---|
| 董海波: "煤矿采场瓦斯分布与分布场重构技术研究", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870008A (en) * | 2017-04-06 | 2017-06-20 | 安徽理工大学 | A kind of safety early warning device for detecting coal mine gas |
| CN107503797A (en) * | 2017-08-25 | 2017-12-22 | 合肥明信软件技术有限公司 | Mine Methane tendency early warning system based on 3D emulation platforms |
| CN107503797B (en) * | 2017-08-25 | 2019-04-16 | 合肥明信软件技术有限公司 | Mine Methane tendency early warning system based on 3D emulation platform |
| CN110322668A (en) * | 2019-05-23 | 2019-10-11 | 安徽仁裕食品有限公司 | A kind of effective period of food quality system for prompting and method |
| CN118624118A (en) * | 2024-08-09 | 2024-09-10 | 中交第二公路工程局有限公司 | Portable gas check-out set for tunnel engineering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106290743A (en) | A kind of coal mine gas concentration detection and safety early warning device | |
| CN206057299U (en) | A kind of coal mine gas concentration detection and safety early warning device | |
| CN106150554B (en) | A kind of electrical communication based on stratum construction detects early warning system | |
| CN103410558B (en) | Mine escape information guidance system | |
| CN108150221A (en) | A kind of mineral multi-parameter monitor | |
| CN113962837A (en) | Mine geotechnical engineering monitoring and evaluation emergency feedback system and method | |
| CN205805618U (en) | A kind of for coal mining gas density alarm device | |
| CN206092065U (en) | Colliery stope gas and colliery nature coupling calamity detecting system | |
| CN202228127U (en) | Underground mine fire sensing and monitoring device with wireless transmission function | |
| CN206386152U (en) | A kind of device detected for coal mine gas concentration | |
| CN204742760U (en) | Gas early warning geordie cap | |
| CN203515651U (en) | Mine escape information booting system | |
| CN104291041A (en) | Floating deck state indicator of external floating roof tank | |
| CN204703960U (en) | Portable methane detection alarm | |
| CN206917681U (en) | A kind of safety of coal mines gas monitor device | |
| CN216410261U (en) | Information multi-element perception and early warning system for underground pipe gallery | |
| CN109026158A (en) | Tunnel gas containing coal and ventilation condition remote real time monitoring device | |
| CN110095153A (en) | One kind ten unifies Multifunction Sensor | |
| CN208858407U (en) | Tunnel gas containing coal and ventilation condition remote real time monitoring device | |
| CN109838280A (en) | A kind of coal mine gas prewarning processing system | |
| CN103953394A (en) | Underground coal mine gas monitoring system | |
| CN204691825U (en) | Based on the coal illegal mining monitoring system of coal mine output and energy consumption monitoring | |
| CN207515976U (en) | A kind of natural gas valve anti-leak COMPUTER DETECTION device | |
| CN208040451U (en) | Coal mine underground tunneling roadway gas, coal dust monitoring and warning system based on ZigBee | |
| CN202280473U (en) | Mine refuge facility with display device in transition cabin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |