CN214741474U - Gas alarm device for mine safety - Google Patents
Gas alarm device for mine safety Download PDFInfo
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- CN214741474U CN214741474U CN202120636913.8U CN202120636913U CN214741474U CN 214741474 U CN214741474 U CN 214741474U CN 202120636913 U CN202120636913 U CN 202120636913U CN 214741474 U CN214741474 U CN 214741474U
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Abstract
The utility model discloses a gas alarm device for mine safety, which comprises a mounting bottom plate, a box body is clamped at the top of the mounting bottom plate, two groups of exhaust fans rotate to drive the box body to generate negative pressure inside, so that the air outside the box body enters the box body through an air inlet in an accelerating way, when the concentration in the gas reaches any range value of a preset methane sensor, a temperature sensor and a smoke sensor, the corresponding sensors send detection data to a microcontroller, the microcontroller sends the data to a monitoring center through a wireless information transceiver and controls an alarm to give an alarm, the box body and the mounting bottom plate are clamped, bolts fix the box body and the mounting bottom plate, equipment mounted on the mounting bottom plate is protected conveniently, the box body is convenient to detach and maintain through bolts, and the impact generated when the mine explodes is protected through an outer explosion-proof plate and an inner steel layer, the equipment can acquire data after the mine is exploded.
Description
Technical Field
The utility model relates to a gas alarm technical field specifically is a gas alarm device for mine safety.
Background
Coal is the main energy source in China and accounts for about 70% of primary energy. The coal industry is a high-risk industry, accidents such as gas, fire, a roof, coal dust and the like disturb the safety production of coal mines, the number of deaths caused by major accidents in coal mines in China is 66.5%, the number of deaths caused by mine fire, gas and coal dust explosion accidents and carbon monoxide poisoning suffocation is as high as 80%, and if accurate alarm can be realized in the early stage of mine explosion, effective measures are taken, and the key for reducing casualties is realized.
The existing method for preventing and treating mine explosion accidents mainly monitors the underground gas concentration, but the gas concentration is over-limit, which is only one of necessary conditions for causing mine explosion, if no other conditions for mine explosion are provided, the mine explosion can not be caused even if the gas concentration is over-limit, and because a methane sensor is arranged near an explosive site, direct damage is easily caused when explosion occurs, and data can not be collected any more, the traditional gas monitoring alarm mode cannot accurately warn before the mine explosion occurs, and cannot accurately alarm after the explosion occurs, but because the monitored data and method are still single, the alarm accuracy is not ideal, so a new mine explosion monitoring alarm system is needed to meet the requirements of safe production of a coal mine, and therefore a gas alarm device for mine safety needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas alarm device is used to mine safety, adopt monitoring alarm device, can monitor the smog that gas explosion arouses, the change of multiple data such as temperature, data that obtain according to the monitoring provide explosion alarm information for production management personnel to the mine explosion, for in time taking emergency treatment measure, reduce the casualties, the loss that reduces the mine explosion and cause provides technical guarantee, the reaction of having overcome methods such as gas monitoring that traditional explosion monitoring adopted is slow, shortcomings such as misstatement rate and rate of missing report height, the alarm accuracy is greatly improved, provide important guarantee for colliery safety in production, in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a mine is gas alarm device for safety, includes mounting plate, mounting plate's top joint has the box, the box adopts two-layer material to make, including the steel layer of outer explosion-proof board and inlayer, methane sensor, temperature sensor, microcontroller, smoke transducer and wireless information transceiver are installed respectively to the inside that mounting plate's upper end is located the box, one side of box is provided with the alarm, alarm and mounting plate fixed connection, two sets of air outlets have been seted up to the bilateral symmetry of box, the inside of air outlet is inlayed and is equipped with the exhaust fan, and the outside of exhaust fan inlays and is equipped with first filter screen.
Preferably, the upper end of the mounting bottom plate is provided with a clamping groove matched with the bottom of the box body, and the bottom of the box body is clamped with the top of the mounting bottom plate through the clamping groove.
Preferably, the upper end of the mounting bottom plate is fixedly provided with four groups of fixing blocks at two ends of the clamping groove, and the fixing blocks are pairwise symmetrical and provided with through holes.
Preferably, the lower ends of the two sides of the box body are respectively provided with a threaded blind hole corresponding to the through hole, and the fixing block is bolted and fixed with the side face of the box body through a bolt.
Preferably, the first recess with the air exit intercommunication is all seted up to the both sides of box, first filter screen passes through the inside of screw bolt joint at first recess.
Preferably, two sets of air inlets are formed in one side of the box body, the two sets of air inlets are arranged in a vertically symmetrical mode, a second groove communicated with the air inlets is formed in one side of the box body, and a second filter screen is bolted in the second groove through screws.
Preferably, the upper end of the mounting bottom plate is provided with mounting holes on two sides of the box body, and the four mounting holes are symmetrically arranged.
Preferably, the microcontroller is electrically connected with the methane sensor, the temperature sensor, the smoke sensor, the wireless information transceiver and the alarm through wires.
Preferably, the wireless information transceiver device includes a WIFI transmission module and an information storage.
Preferably, the mounting bottom plate is a rectangular mounting bottom plate, and the box body is a square box body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a carry out the joint with box and mounting plate, the bolt is fixed box and mounting plate, the equipment of being convenient for to install on the mounting plate is protected, be convenient for dismantle and maintain the box through the bolt, through adopting two-layer material to make with the box, the impact that produces when exploding the mine through the steel layer of outer explosion-proof board and inlayer protects, make equipment can carry out data acquisition after the mine explodes, can avoid the damage of box internal plant and can't gather the condition emergence of data again to a certain extent;
2. the two groups of exhaust fans rotate to drive the interior of the box body to generate negative pressure, so that air outside the box body enters the box body through the air inlet in an accelerated manner, the methane sensor, the temperature sensor and the smoke sensor which are respectively installed on the installation bottom plate monitor and sense the gas entering the box body, when the concentration in the gas reaches any range value of the preset methane sensor, the temperature sensor and the smoke sensor, the corresponding sensors send detection data to the microcontroller, the microcontroller sends the data to the monitoring center through the wireless information transceiver and controls the alarm to give an alarm, and the defects of slow reaction, high false alarm rate, high missing alarm rate and the like of gas monitoring and other methods adopted by the traditional explosion monitoring are overcome to a certain extent, so that the alarm accuracy is greatly improved, and important guarantee is provided for the safety production of a coal mine.
Drawings
FIG. 1 is a front view of the cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1;
FIG. 3 is a schematic side view of the cross-sectional structure of the present invention;
fig. 4 is a schematic side view of the present invention;
fig. 5 is a schematic structural view of a second groove and a second filter screen of the present invention;
FIG. 6 is a schematic structural view of the explosion-proof plate and the steel layer of the present invention;
fig. 7 is a schematic diagram of a system block diagram of the present invention.
In the figure: 1. mounting a bottom plate; 2. a box body; 3. a threaded blind hole; 4. a fixed block; 5. a through hole; 6. a bolt; 7. an air outlet; 8. an exhaust fan; 9. a first groove; 10. a first filter screen; 11. an air inlet; 12. a second groove; 13. a second filter screen; 14. a methane sensor; 15. a temperature sensor; 16. a microcontroller; 17. a smoke sensor; 18. a wireless information transmitting and receiving device; 19. an alarm; 20. mounting holes; 21. a card slot; 201. an explosion-proof plate; 202. a steel layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution:
a gas alarm device for mine safety comprises an installation bottom plate 1, a box body 2 is clamped at the top of the installation bottom plate 1, the installation bottom plate 1 is a rectangular installation bottom plate, the box body 2 is a square box body, a clamping groove 21 matched with the bottom of the box body 2 is formed in the upper end of the installation bottom plate 1, the bottom of the box body 2 is clamped with the top of the installation bottom plate 1 through the clamping groove 21, fixing blocks 4 are fixedly arranged at two ends of the clamping groove 21 at the upper end of the installation bottom plate 1, four groups of the fixing blocks 4 are symmetrically arranged in pairs, through holes 5 are formed in the fixing blocks 4, threaded blind holes 3 corresponding to the through holes 5 are formed in the lower ends of two sides of the box body 2, the fixing blocks 4 are fixedly bolted with the side faces of the box body 2 through bolts 6, the box body 2 and the installation bottom plate 1 are clamped, the box body 2 and the installation bottom plate 1 are fixed through the bolts 6, and protection is convenient for equipment installed on the installation bottom plate 1, the box body 2 is convenient to disassemble and maintain through the bolts 6;
the box body 2 is made of two layers of materials and comprises an outer explosion-proof plate 201 and an inner steel layer 202, a methane sensor 14, a temperature sensor 15, a microcontroller 16, a smoke sensor 17 and a wireless information transceiver 18 are respectively installed at the upper end of the installation bottom plate 1 and positioned inside the box body 2, the wireless information transceiver 18 comprises a WIFI transmission module and an information memory, an alarm 19 is arranged on one side of the box body 2, the alarm 19 is fixedly connected with the installation bottom plate 1, the microcontroller 16 is respectively and electrically connected with the methane sensor 14, the temperature sensor 15, the smoke sensor 17, the wireless information transceiver 18 and the alarm 19 through wires, so that the impact generated when a mine explodes can be conveniently protected through the outer explosion-proof plate 201 and the inner steel layer 202, and data acquisition can be carried out after the mine explodes;
two sets of air outlets 7 are symmetrically formed in two sides of the box body 2, the exhaust fan 8 is embedded in the air outlets 7, a first filter screen 10 is embedded in the outer side of the exhaust fan 8, first grooves 9 communicated with the air outlets 7 are formed in two sides of the box body 2, the first filter screen 10 is connected to the inside of the first grooves 9 in a bolted mode through screws, two sets of air inlets 11 are formed in one side of the box body 2, the two sets of air inlets 11 are symmetrically arranged up and down, second grooves 12 communicated with the air inlets 11 are formed in one side of the box body 2, second filter screens 13 are connected to the inside of the second grooves 12 in a bolted mode through screws, mounting holes 20 are formed in two sides, located on the box body 2, of the upper end of the mounting bottom plate 1, four sets of the mounting holes 20 are symmetrically arranged, the two sets of exhaust fans 8 can rotate to drive the inside of the box body 2 to generate negative pressure, external air of the box body 2 can enter the box body 2 through the air inlets 11 in an accelerated mode, and preset methane sensor 14 can be used for gas concentration, When the temperature sensor 15 and the smoke sensor 17 have any range value, the corresponding sensors send detection data to the microcontroller 16, and the microcontroller 16 sends the data to a monitoring center through the wireless information transceiver 18 and controls the alarm 19 to give an alarm.
The working principle is as follows: the utility model discloses install this device in the mine corresponding position through the mounting hole 20 that sets up on mounting plate 1 during the use, rotate through two sets of exhaust fans 8 and drive box 2 inside and produce the negative pressure, make box 2 outside air get into box 2 through air intake 11 with higher speed, at the methane sensor 14 of installing respectively through mounting plate 1, temperature sensor 15, and smoke transducer 17 monitor the response to the gas that gets into box 2, when concentration reaches methane sensor 14, temperature sensor 15 that predetermine and smoke transducer 17 arbitrary scope value in the gas, corresponding sensor sends the detection data to microcontroller 16 in, microcontroller 16 passes through the surveillance center that wireless information transceiver 18 sent data, and control alarm 19 reports to the police;
through carrying out the joint with box 2 and mounting plate 1, bolt 6 is fixed box 2 and mounting plate 1, be convenient for protect the equipment of installation on mounting plate 1, be convenient for dismantle and maintain box 2 through bolt 6, make through adopting two-layer material with box 2, the impact that produces when exploding the mine through outer explosion-proof plate 201 and the steel layer 202 of inlayer protects, make equipment can carry out data acquisition after the mine explodes.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a mine is gas alarm device for safety, includes mounting plate (1), its characterized in that: the top joint of mounting plate (1) has box (2), box (2) adopt two-layer material to make, steel layer (202) including outer explosion-proof board (201) and inlayer, the inside that the upper end of mounting plate (1) is located box (2) installs methane sensor (14), temperature sensor (15), microcontroller (16), smoke transducer (17) and wireless information transceiver (18) respectively, one side of box (2) is provided with alarm (19), alarm (19) and mounting plate (1) fixed connection, two sets of air exit (7) have been seted up to the bilateral symmetry of box (2), the inside of air exit (7) is inlayed and is equipped with exhaust fan (8), and the outside of exhaust fan (8) inlays and is equipped with first filter screen (10).
2. The gas alarm device for mine safety according to claim 1, wherein: the upper end of the mounting bottom plate (1) is provided with a clamping groove (21) matched with the bottom of the box body (2), and the bottom of the box body (2) is connected with the top of the mounting bottom plate (1) in a clamping mode through the clamping groove (21).
3. The gas alarm device for mine safety according to claim 2, wherein: the mounting structure is characterized in that fixed blocks (4) are fixedly mounted at two ends of the upper end of the mounting bottom plate (1) which are located in the clamping grooves (21), the four groups of fixed blocks (4) are arranged in a pairwise symmetry mode, and through holes (5) are formed in the fixed blocks (4).
4. The gas alarm device for mine safety according to claim 3, wherein: the threaded blind holes (3) corresponding to the through holes (5) are formed in the lower ends of the two sides of the box body (2), and the fixing blocks (4) are fixedly bolted to the side faces of the box body (2) through bolts (6).
5. The gas alarm device for mine safety according to claim 1, wherein: first recess (9) with air exit (7) intercommunication are all seted up to the both sides of box (2), first filter screen (10) are in the inside of first recess (9) through the screw bolt.
6. The gas alarm device for mine safety according to claim 1, wherein: two sets of air intakes (11) have been seted up to one side of box (2), and are two sets of air intake (11) are the symmetry setting from top to bottom, second recess (12) with air intake (11) intercommunication are seted up to one side of box (2), second filter screen (13) have been bolted through the screw in the inside of second recess (12).
7. The gas alarm device for mine safety according to claim 1, wherein: mounting holes (20) are formed in the two sides, located on the box body (2), of the upper end of the mounting base plate (1), and four groups of mounting holes (20) are symmetrically arranged.
8. The gas alarm device for mine safety according to claim 1, wherein: the microcontroller (16) is electrically connected with the methane sensor (14), the temperature sensor (15), the smoke sensor (17), the wireless information transceiver (18) and the alarm (19) through wires.
9. The gas alarm device for mine safety according to claim 1, wherein: the wireless information transceiving device (18) comprises a WIFI transmission module and an information memory.
10. The gas alarm device for mine safety according to claim 1, wherein: the mounting base plate (1) is a rectangular mounting base plate, and the box body (2) is a square box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120636913.8U CN214741474U (en) | 2021-03-29 | 2021-03-29 | Gas alarm device for mine safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120636913.8U CN214741474U (en) | 2021-03-29 | 2021-03-29 | Gas alarm device for mine safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214741474U true CN214741474U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120636913.8U Active CN214741474U (en) | 2021-03-29 | 2021-03-29 | Gas alarm device for mine safety |
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| Country | Link |
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| CN (1) | CN214741474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485779A (en) * | 2021-12-27 | 2022-05-13 | 陕西小保当矿业有限公司 | Downhole sensor device based on 5G and network system |
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2021
- 2021-03-29 CN CN202120636913.8U patent/CN214741474U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485779A (en) * | 2021-12-27 | 2022-05-13 | 陕西小保当矿业有限公司 | Downhole sensor device based on 5G and network system |
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