CN111379591A - Coal mine ventilation and gas concentration monitoring system - Google Patents
Coal mine ventilation and gas concentration monitoring system Download PDFInfo
- Publication number
- CN111379591A CN111379591A CN202010140908.8A CN202010140908A CN111379591A CN 111379591 A CN111379591 A CN 111379591A CN 202010140908 A CN202010140908 A CN 202010140908A CN 111379591 A CN111379591 A CN 111379591A
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- Prior art keywords
- ventilation
- concentration monitoring
- gas concentration
- coal mine
- mounting plates
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- 238000009423 ventilation Methods 0.000 title claims abstract description 59
- 238000012544 monitoring process Methods 0.000 title claims abstract description 57
- 239000003245 coal Substances 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000012806 monitoring device Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sampling And Sample Adjustment (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a coal mine ventilation and gas concentration monitoring system which comprises a plurality of gas concentration monitoring devices and a ventilation device, wherein each gas concentration monitoring device comprises a plurality of mounting plates, a gas sensor and an air pressure gauge are mounted on the lower end surfaces of the mounting plates, sliding blocks are fixed at the top ends of the mounting plates, the mounting plates move along sliding rails through the sliding blocks, and the sliding rails are arranged in an annular shape; all outward sides of the mounting plates are connected through a connecting plate, racks are fully distributed on the outer wall of the connecting plate, a plurality of driving mechanisms are arranged on the outer side of the connecting plate, each driving mechanism comprises a driving gear, and the driving gears are meshed with the racks outside the connecting plate; the ventilation device comprises a plurality of first ventilation pipes, air outlets of all the first ventilation pipes are connected with air inlets of the second ventilation pipes, and air outlets of the second ventilation pipes extend out of the coal mine hole.
Description
Technical Field
The invention relates to a monitoring system, in particular to a coal mine ventilation and gas concentration monitoring system.
Background
Coal mines refer to places rich in coal resources and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. Coal is the most important solid fuel, is one of combustible organic rocks, and can be divided into four types, namely peat, lignite, bituminous coal and anthracite, according to the coal gasification degree.
When the gas concentration in the coal mine hole reaches a certain numerical value, dangerous events easily occur and are harmful to the bodies of workers, so that the gas sensor is installed in the coal mine hole to detect the gas concentration. However, since the position of the installed gas sensor is fixed, the detection speed is slow, and a certain time difference occurs, which causes a danger to the safety of coal mining workers.
Disclosure of Invention
The invention aims to provide a coal mine ventilation and gas concentration monitoring system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the coal mine ventilation and gas concentration monitoring system comprises a plurality of gas concentration monitoring devices and ventilation devices, wherein each gas concentration monitoring device comprises a plurality of mounting plates, a gas sensor and an air pressure gauge are mounted on the lower end faces of the mounting plates, sliding blocks are fixed at the top ends of the mounting plates, the mounting plates move along sliding rails through the sliding blocks, and the sliding rails are arranged in a ring shape; all outward sides of the mounting plates are connected through a connecting plate, racks are fully distributed on the outer wall of the connecting plate, a plurality of driving mechanisms are arranged on the outer side of the connecting plate, each driving mechanism comprises a driving gear, and the driving gears are meshed with the racks outside the connecting plate; the ventilation device comprises a plurality of first ventilation pipes, air outlets of all the first ventilation pipes are connected with air inlets of second ventilation pipes, and air outlets of the second ventilation pipes extend out of the coal mine hole.
As a further scheme of the invention: the slide rail all sets up on the roof-rack, the inside of roof-rack is provided with the concentration monitoring host computer, the concentration monitoring host computer all connects gas sensor and the air pressure gauge rather than corresponding through the data wire electricity, all be provided with microprocessor and communication module in the concentration monitoring host computer, the concentration monitoring host computer all connects remote control terminal through communication module.
As a further scheme of the invention: this actuating mechanism still all includes driven gear and driving gear, drive gear fixes the bottom at the dwang, the top of dwang also all is installed on the roof-rack through the bearing, driven gear all fixes rather than the dwang that corresponds on, driven gear all connects the driving gear through the chain, the driving gear is all fixed on servo motor's output shaft.
As a further scheme of the invention: a plurality of air intake has been seted up to the equidistance on the ventilation pipe, all installs the fan in all air intakes, an air velocity transducer is all installed to the air outlet of fan, No. two air velocity transducers are installed to the air outlet of No. two ventilation pipes.
As a further scheme of the invention: a wind speed monitoring host is arranged outside the second ventilation pipe, a microprocessor and a communication module are arranged in the wind speed monitoring host, the wind speed monitoring host is electrically connected with all the first wind speed sensors and the second wind speed sensors through data wires, and the wind speed monitoring host is connected with a remote control terminal through the communication module.
Compared with the prior art, the invention has the beneficial effects that:
1. the gas concentration monitoring device is provided with an annular slide rail, then a plurality of mounting plates are arranged, a gas sensor and an air pressure gauge are arranged on the mounting plates, then the mounting plates are connected through a connecting plate, a rack is arranged on the outer wall of the connecting plate, a driving mechanism is arranged outside the connecting plate, a driving gear can be rotated through the driving mechanism, the driving gear is rotated to drive the connecting plate to rotate, then the connecting plate drives all the mounting plates to move along the slide rail through a sliding block, all the gas sensors and the air pressure gauge can be used for detecting the gas concentration and the air pressure in a coal mine hole, and the gas sensor and the air pressure gauge can be prevented from being damaged and incapable of being detected in time, so that dangerous events are easy;
2. the first air speed sensor and the second air speed sensor are arranged in the ventilation device, so that the air speeds generated by all fans during working can be detected, the condition that the fans are damaged and cannot be maintained in time is avoided, the ventilation efficiency is reduced, the gas concentration in a coal mine hole is easily influenced, and dangerous events are easily caused;
3. through setting up concentration monitoring host computer and wind speed monitoring host computer, can make concentration monitoring host computer and wind speed monitoring host computer convey the numerical value that detects to remote terminal equipment, make things convenient for the staff in time to know the gas concentration in the mine cave to can improve the security of coal mining.
Drawings
Fig. 1 is an overall structural diagram of a coal mine ventilation and gas concentration monitoring system of the invention.
Fig. 2 is a bottom view of a gas concentration monitoring device of the coal mine ventilation and gas concentration monitoring system of the invention.
Fig. 3 is a side view of a gas concentration monitoring device of the coal mine ventilation and gas concentration monitoring system of the invention.
Fig. 4 is a structural diagram of a driving mechanism of the coal mine ventilation and gas concentration monitoring system of the invention.
Fig. 5 is a schematic diagram of a ventilation device of the coal mine ventilation and gas concentration monitoring system of the invention.
Reference numerals:
1. the device comprises a gas concentration monitoring device, a ventilation device, a sliding rail, a mounting plate, a gas sensor, a gas pressure gauge, a connecting plate, a rack, a driving gear, a top frame, a sliding block, a concentration monitoring host, a rotating rod, a driven gear, a driving gear, a chain, a servo motor, a fan, a first air speed sensor, a first air ventilation pipe, a second air ventilation pipe and a wind speed monitoring host, wherein the gas concentration monitoring device comprises 2, a ventilation device, 3, a sliding rail, 4, a mounting plate, 5, a gas sensor, 6, an air pressure gauge, 7, a connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, a coal mine ventilation and gas concentration monitoring system includes a plurality of gas concentration monitoring devices 1 and a ventilation device 2, each gas concentration monitoring device 1 includes a plurality of mounting plates 4, a gas sensor 5 and an air pressure gauge 6 are mounted on the lower end surfaces of the mounting plates 4, sliding blocks 11 are fixed on the top ends of the mounting plates 4, the mounting plates 4 all move along sliding rails 3 through the sliding blocks 11, and the sliding rails 3 are arranged in a ring shape; all outward sides of the mounting plates 4 are connected through a connecting plate 7, racks 8 are fully distributed on the outer wall of the connecting plate 7, a plurality of driving mechanisms are arranged on the outer side of the connecting plate 7, each driving mechanism comprises a driving gear 9, and the driving gears 9 are meshed with the racks 8 outside the connecting plate 7; the ventilation device 2 comprises a plurality of first ventilation pipes 20, air outlets of all the first ventilation pipes 20 are connected with air inlets of second ventilation pipes 22, and air outlets of the second ventilation pipes 22 extend out of the coal mine hole; the sliding rails 3 are all arranged on the top frame 10, the concentration monitoring host 12 is arranged inside the top frame 10, the concentration monitoring host 12 is electrically connected with the gas sensor 5 and the air pressure gauge 6 which correspond to the concentration monitoring host 12 through data wires, a microprocessor and a communication module are arranged in the concentration monitoring host 12, and the concentration monitoring host 12 is connected with a remote control terminal through the communication module; can make drive gear 9 rotate through actuating mechanism, make drive gear 9 rotate and drive connecting plate 7 and rotate, and then make connecting plate 7 drive all mounting panels 4 and pass through slider 11 and remove along slide rail 3, can make the pressure of gas concentration and air in all gas sensor 5 and the air pressure gauge 6 detection coal mine hole, can make and avoid appearing gas sensor 5 and the air pressure gauge 6 damage unable timely detection, lead to the dangerous incident that appears easily.
Referring to fig. 1 to 4, the driving mechanisms further include driven gears 14 and driving gears 15, the driving gears 9 are fixed at the bottom ends of the rotating rods 13, the top ends of the rotating rods 13 are also mounted on the top frame 10 through bearings, the driven gears 14 are fixed on the corresponding rotating rods 13, the driven gears 14 are connected with the driving gears 15 through chains 16, and the driving gears 15 are fixed on output shafts of the servo motors 17; can make drive gear 9 rotate through actuating mechanism work, and then can make drive gear 9 rotate and drive the rack 8 outside the connecting plate 7 who meshes mutually with it and rotate, realize removing gas sensor 5 and air pressure gauge 6's effect.
Referring to fig. 1 and 5, a plurality of air inlets are formed in the first ventilation pipe 20 at equal distances, fans 18 are installed in all the air inlets, first air speed sensors 19 are installed at air outlets of the fans 18, and second air speed sensors 21 are installed at air outlets of the second ventilation pipe 22; a wind speed monitoring host 23 is arranged outside the second ventilation pipe 22, the wind speed monitoring host 23 is electrically connected with all the first wind speed sensors 19 and the second wind speed sensors 21 through data wires, a microprocessor and a communication module are arranged in the wind speed monitoring host 23, and the wind speed monitoring host 23 is connected with a remote control terminal through the communication module; the concentration monitoring host 12 and the wind speed monitoring host 23 can transmit detected values to the remote terminal device, so that workers can know the gas concentration in a mine hole in time, and the coal mining safety can be improved.
The working principle is as follows: a servo motor 17 in a driving mechanism is started, the servo motor 17 works to drive a driving gear 15 fixedly connected with the driving gear to rotate, the driving gear 15 rotates to drive a chain 16 on the outer side of the driving gear to move, the chain 16 moves to drive a driven gear 14 to rotate, the driven gear 14 rotates to drive a rotating rod 13 to rotate, the rotating rod 13 rotates to drive a driving gear 9 to rotate, the driving gear 9 rotates to drive a rack 8 outside a connecting plate 7 engaged with the driving gear to move, the connecting plate 7 moves to drive all mounting plates 4 to move, the mounting plates 4 move to drive a gas sensor 5 and an air pressure gauge 6 to move, the gas sensor 5 moves to detect the gas concentration at different positions, the air pressure gauge 6 moves to detect the air pressure at different positions, and then the detected numerical value is transmitted to a concentration monitoring host 12, the concentration monitoring host 12 transmits the detected numerical value to the remote control terminal, so that the staff can know the gas concentration in the coal mine hole conveniently; when the gas sensor 5 detects that the gas concentration exceeds a preset minimum value, the information is transmitted to the concentration monitoring host 12, the concentration monitoring host 12 transmits the information to the remote terminal device, the remote terminal device receives the information and transmits the information to the wind speed monitoring host 23, the wind speed monitoring host 23 controls all fans 18 to work, the gas in the coal mine hole is guided into the first ventilation pipe 20 and then into the second ventilation pipe 22, and the gas in the coal mine hole is guided out, so that dangerous events are avoided from easily occurring due to overhigh gas concentration in the coal mine hole; when the fan 18 works, the first air speed sensor 19 and the second air speed sensor 21 detect the air speed, and then whether all the fans 18, the first ventilation pipe 20 and the second ventilation pipe 22 are damaged or not can be judged, and if the damage occurs, the maintenance is convenient for workers in time.
Claims (5)
1. Coal mine ventilation and gas concentration monitoring system, including a plurality of gas concentration monitoring devices (1) and ventilation unit (2), its characterized in that: the gas concentration monitoring devices (1) respectively comprise a plurality of mounting plates (4), gas sensors (5) and air pressure gauges (6) are respectively mounted on the lower end faces of the mounting plates (4), sliding blocks (11) are respectively fixed at the top ends of the mounting plates (4), the mounting plates (4) respectively move along the sliding rails (3) through the sliding blocks (11), and the sliding rails (3) are arranged in an annular shape; all outward sides of the mounting plates (4) are connected through connecting plates (7), racks (8) are fully distributed on the outer walls of the connecting plates (7), a plurality of driving mechanisms are arranged on the outer sides of the connecting plates (7), each driving mechanism comprises a driving gear (9), and the driving gears (9) are meshed with the racks (8) outside the connecting plates (7); ventilation unit (2) include a plurality of logical tuber pipe (20), and the air intake of No. two ventilation pipes (22) is all connected to the air outlet of all logical tuber pipe (20), the air outlet of No. two ventilation pipes (22) stretches out the coal mine hole setting.
2. The coal mine ventilation and gas concentration monitoring system of claim 1, wherein: slide rail (3) all set up on roof-rack (10), the inside of roof-rack (10) is provided with concentration monitoring host computer (12), concentration monitoring host computer (12) all are connected rather than gas sensor (5) and air pressure gauge (6) that correspond through the data wire electricity, all be provided with microprocessor and communication module in concentration monitoring host computer (12), concentration monitoring host computer (12) all connect remote control terminal through communication module.
3. The coal mine ventilation and gas concentration monitoring system of claim 2, wherein: this actuating mechanism still all includes driven gear (14) and driving gear (15), the bottom at dwang (13) is fixed in drive gear (9), the top of dwang (13) also all is installed on roof-rack (10) through the bearing, driven gear (14) are all fixed on dwang (13) rather than corresponding, driven gear (14) all connect driving gear (15) through chain (16), driving gear (15) are all fixed on the output shaft of servo motor (17).
4. The coal mine ventilation and gas concentration monitoring system of claim 1, wherein: a plurality of air intake has been seted up to a ventilation pipe (20) equidistance, all installs fan (18) in all air intakes, No. one air velocity transducer (19) is all installed to the air outlet of fan (18), No. two air velocity transducer (21) are installed to the air outlet of No. two ventilation pipe (22).
5. The coal mine ventilation and gas concentration monitoring system of claim 4, wherein: a wind speed monitoring host (23) is arranged outside the second ventilation pipe (22), a microprocessor and a communication module are arranged in the wind speed monitoring host (23), the wind speed monitoring host (23) is electrically connected with all the first wind speed sensors (19) and the second wind speed sensors (21) through data wires, and the wind speed monitoring host (23) is connected with a remote control terminal through the communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010140908.8A CN111379591A (en) | 2020-03-04 | 2020-03-04 | Coal mine ventilation and gas concentration monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010140908.8A CN111379591A (en) | 2020-03-04 | 2020-03-04 | Coal mine ventilation and gas concentration monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111379591A true CN111379591A (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010140908.8A Withdrawn CN111379591A (en) | 2020-03-04 | 2020-03-04 | Coal mine ventilation and gas concentration monitoring system |
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| Country | Link |
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| CN (1) | CN111379591A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081630A (en) * | 2020-09-21 | 2020-12-15 | 安徽理工大学 | Control robot for fully mechanized coal mining face of coal mine |
| CN113266412A (en) * | 2021-05-17 | 2021-08-17 | 陕西长武亭南煤业有限责任公司 | Coal mine gas control method |
| CN113848080A (en) * | 2021-09-28 | 2021-12-28 | 山东科技大学 | Simulation experiment system and method for diffusion and distribution of tail gas pollutants of trackless rubber-tyred vehicle |
| CN114183188A (en) * | 2022-02-16 | 2022-03-15 | 徐州赛森电子自动化技术有限公司 | Coal mine gas transfinite ventilation unit for coal mining |
-
2020
- 2020-03-04 CN CN202010140908.8A patent/CN111379591A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081630A (en) * | 2020-09-21 | 2020-12-15 | 安徽理工大学 | Control robot for fully mechanized coal mining face of coal mine |
| CN113266412A (en) * | 2021-05-17 | 2021-08-17 | 陕西长武亭南煤业有限责任公司 | Coal mine gas control method |
| CN113848080A (en) * | 2021-09-28 | 2021-12-28 | 山东科技大学 | Simulation experiment system and method for diffusion and distribution of tail gas pollutants of trackless rubber-tyred vehicle |
| CN113848080B (en) * | 2021-09-28 | 2023-07-18 | 山东科技大学 | Simulation experiment system and method for tail gas pollutant diffusion and distribution of trackless rubber-tyred vehicle |
| CN114183188A (en) * | 2022-02-16 | 2022-03-15 | 徐州赛森电子自动化技术有限公司 | Coal mine gas transfinite ventilation unit for coal mining |
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Application publication date: 20200707 |