CN219548920U - Colliery gas concentration monitoring alarm device based on light grating sensing - Google Patents
Colliery gas concentration monitoring alarm device based on light grating sensing Download PDFInfo
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- CN219548920U CN219548920U CN202223269309.XU CN202223269309U CN219548920U CN 219548920 U CN219548920 U CN 219548920U CN 202223269309 U CN202223269309 U CN 202223269309U CN 219548920 U CN219548920 U CN 219548920U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model relates to a coal mine gas concentration monitoring alarm device based on light grating sensing, which comprises a mounting seat, a gas concentration detector and an alarm, wherein the gas concentration detector and the alarm are both arranged on the mounting seat, and an air filtering component is fixedly arranged on the mounting seat and is used for dedusting and filtering air entering the gas concentration detector. When the coal mine gas concentration monitoring alarm device based on the light grating sensing is used, the air filtering component can remove dust and filter air entering the gas concentration detector, so that dust in the air is prevented from interfering a detection result of the gas concentration, and the accuracy of the detection result of the gas concentration monitoring device is improved.
Description
Technical Field
The utility model relates to the technical field of coal mine safety monitoring, in particular to a coal mine gas concentration monitoring alarm device based on light grating sensing.
Background
The fire and explosion of coal mine are one of the important factors affecting the safe production of coal mine. Fire accidents are mostly caused by too high temperature, while explosions are caused by too high gas concentration in a mine due to gas leakage in the coal mining process. Thus, in-mine temperature monitoring and gas concentration monitoring are made important for mine hazard prevention. In the prior art, a coal mine enterprise generally adopts a light grating sensing technology to monitor the temperature in a mine, and a gas concentration monitoring device is additionally adopted to monitor the gas concentration in the mine. The gas concentration monitoring device in the prior art generally comprises a mounting seat, a gas concentration detector and an alarm, wherein the gas concentration detector and the alarm are mounted on the mounting seat, and the alarm is electrically connected with the gas concentration detector. The gas concentration detector is used for detecting the gas concentration in the mine, and when the gas concentration in the mine exceeds the standard, the alarm is controlled to give an alarm.
The gas concentration monitoring device in the prior art has the following problems: the air in the mine contains more dust, and dust can interfere the detection result of gas concentration when the gas concentration monitoring device sucks air for detection, so that the detection result of the gas concentration monitoring device is not accurate enough.
Disclosure of Invention
In order to solve the technical problem that the detection result of the gas concentration monitoring device in the prior art is not accurate enough, the utility model provides a coal mine gas concentration monitoring alarm device based on light grating sensing.
The utility model provides a coal mine gas concentration monitoring alarm device based on light grating sensing, which adopts the following technical scheme:
the utility model provides a colliery gas concentration monitoring alarm device based on light grating sensing, includes mount pad, gas concentration detector and alarm, and gas concentration detector and alarm are all installed on the mount pad, still fixedly provided with air filter assembly on the mount pad, air filter assembly is used for carrying out dust removal filtration to the air that enters into in the gas concentration detector.
By adopting the technical scheme, when the coal mine gas concentration monitoring alarm device based on the light grating sensing is used, the air filtering component can remove dust and filter air entering the gas concentration detector, so that dust in the air is prevented from interfering with a detection result of the gas concentration, and the accuracy of the detection result of the gas concentration monitoring device is improved.
Optionally, the air filter assembly includes safety cover and air dust removal spare, and the safety cover is established outside the gas concentration detector, and the safety cover is fixed on the mount pad, is provided with gas inlet channel and gas exhaust channel on the safety cover, and the air dust removal spare sets up in gas inlet channel, and the air inlet of gas concentration detector sets up with gas inlet channel relatively, and the gas outlet of gas concentration detector sets up with gas exhaust channel relatively.
Through adopting above-mentioned technical scheme, the safety cover can play certain guard action in its inside gas concentration detector, prevents that gas concentration detector from colliding with external object, and air enters into the inside space-time dust removal piece of safety cover through gas entering channel moreover and can remove dust to the air of process.
Optionally, the air dust removing part is a dustproof filter screen.
By adopting the technical scheme, the dustproof filter screen is convenient to install, good in dust removal effect and low in cost.
Optionally, a one-way valve is arranged in the gas exhaust channel, and the gas flowing direction of the one-way valve flows from the inside of the protective cover to the outside of the protective cover.
Through adopting above-mentioned technical scheme, the setting of check valve can prevent that external air from entering into the safety cover from gas discharge channel through the dust removal in to further improve the precision of gas concentration testing result.
Optionally, still be provided with the fixed subassembly that is used for fixed gas concentration detector on the mount pad, fixed subassembly is located the safety cover, and fixed subassembly includes locating plate and pushing away the piece, pushes away the piece and is used for fixing gas concentration detector top fastening on the locating plate.
Through adopting above-mentioned technical scheme, can be fine fix gas concentration detector, prevent that gas concentration detector from rocking the precision that influences the testing result.
Optionally, the locating plate includes first location portion and second location portion, and the locating surface of first location portion and second location portion all is vertical state, and the locating surface mutually perpendicular of first location portion and second location portion, and the pushing away piece is provided with two at least, and at least one sets up with the locating surface of first location portion relatively, and at least one sets up with the locating surface of second location portion relatively.
Through adopting above-mentioned technical scheme, can realize the fixed spacing to gas concentration detector horizontal direction, further improve the fixed effect to gas concentration detector.
Optionally, the alarm fixed mounting is in the upper surface of safety cover, and the line hole that the power supply line passed is seted up to the upper surface of safety cover, and the electric wire that connects alarm and gas concentration detector passes the line hole and connects the two.
By adopting the technical scheme, the alarm is convenient to set and install.
Optionally, the alarm is a light alarm.
By adopting the technical scheme, the light in the mine is dim, and the warning effect of the light alarm in the mine is better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a coal mine gas concentration monitoring alarm device based on light grating sensing according to an embodiment of the utility model;
FIG. 2 is a schematic view of the air filter assembly of FIG. 1 from a later perspective;
fig. 3 is a schematic view of the air filter assembly of fig. 1 from another perspective.
Reference numerals illustrate: 1. a mounting base; 2. a gas concentration detector; 21. an air inlet; 22. an air outlet; 3. an alarm; 4. an air filtration assembly; 41. a protective cover; 42. an air dust removing member; 51. a positioning plate; 511. a first positioning portion; 512. a second positioning portion; 52. a pushing member; 53. a pushing plate.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the embodiment of the utility model discloses a coal mine gas concentration monitoring alarm device based on light grating sensing, which comprises a mounting seat 1, a gas concentration detector 2 and an alarm 3, wherein the gas concentration detector 2 and the alarm 3 are both arranged on the mounting seat 1. The air filtering component 4 is further fixedly arranged on the mounting seat 1, and the air filtering component 4 is used for dedusting and filtering air entering the gas concentration detector 2. The air filter assembly 4 includes a protective cover 41 and an air dust removing member 42. The protective cover 41 is provided outside the gas concentration detector 2, and the protective cover 41 is fixed to the mount 1. The protection cover 41 can protect the gas concentration detector 2 located inside the protection cover to a certain extent, and prevent the gas concentration detector 2 from colliding with external objects. The protection cover 41 is provided with a gas inlet passage and a gas outlet passage (not shown in the figure), and the air dust removing member 42 is provided in the gas inlet passage. In this embodiment, the air dust removing member 42 is a dust-proof filter. A check valve (not shown) is provided in the gas discharge passage, and the gas flow direction of the check valve is from the inside of the protection cover 41 to the outside of the protection cover 41. The gas inlet 21 of the gas concentration detector 2 is arranged opposite to the gas inlet channel, and the gas outlet 22 of the gas concentration detector 2 is arranged opposite to the gas outlet channel. The alarm 3 is fixedly installed on the upper surface of the protective cover 41, a wire hole (not shown in the figure) through which a power supply wire passes is formed in the upper surface of the protective cover 41, and the wire connecting the alarm 3 and the gas concentration detector 2 passes through the wire hole to connect the two. In this embodiment, the alarm 3 is preferably a light alarm 3. In other embodiments, the alarm 3 may also be selected as an audible alarm 3.
With continued reference to fig. 2 and 3, the mounting base 1 is further provided with a fixing component for fixing the gas concentration detector 2, and the fixing component is located in the protective cover 41. The fixing assembly comprises a positioning plate 51 and a pushing piece 52, and the pushing piece 52 is used for fixing the gas concentration detector 2 on the positioning plate 51 in a pushing mode. In this embodiment, the pushing member 52 is selected to be an electric push rod, and a push plate 53 is further fixedly disposed on a telescopic rod of the electric push rod, where the push plate 53 is used to abut against the gas concentration detector 2. In this embodiment, the positioning plate 51 includes a first positioning portion 511 and a second positioning portion 512, positioning surfaces of the first positioning portion 511 and the second positioning portion 512 are all in a vertical state, and positioning surfaces of the first positioning portion 511 and the second positioning portion 512 are perpendicular to each other. The pushing member 52 is provided with two members, one of which is disposed opposite to the positioning surface of the first positioning portion 511 and the other of which is disposed opposite to the positioning surface of the second positioning portion 512. The two pushing members 52 can respectively push the gas concentration detector 2 against the positioning surface of the first positioning portion 511 and the positioning surface of the second positioning portion 512, so that the gas concentration detector 2 can be well fixed.
The implementation principle of the embodiment of the utility model is as follows: when the coal mine gas concentration monitoring and alarming device based on the light grating sensing is used, the air filtering component 4 can remove dust and filter air entering the gas concentration detector 2, so that dust in the air is prevented from interfering a detection result of the gas concentration, and the accuracy of the detection result of the gas concentration monitoring device is improved. In addition, the fixed subassembly can be fine fix spacingly to gas concentration detector 2, prevents that gas concentration detector 2 from rocking the precision that influences the testing result.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (7)
1. The utility model provides a colliery gas concentration monitoring alarm device based on light grating sensing, includes mount pad (1), gas concentration detector (2) and alarm (3), and gas concentration detector (2) and alarm (3) are all installed on mount pad (1), its characterized in that, still fixedly on mount pad (1) be provided with air filter assembly (4), air filter assembly (4) are used for carrying out dust removal filtration to the air that enters into in the gas concentration detector (2); the air filter assembly (4) comprises a protective cover (41) and an air dust removing part (42), the protective cover (41) is covered outside the gas concentration detector (2), the protective cover (41) is fixed on the mounting seat (1), a gas inlet channel and a gas outlet channel are arranged on the protective cover (41), the air dust removing part (42) is arranged in the gas inlet channel, an air inlet (21) of the gas concentration detector (2) is arranged opposite to the gas inlet channel, and an air outlet (22) of the gas concentration detector (2) is arranged opposite to the gas outlet channel.
2. The coal mine gas concentration monitoring and alarming device based on the light grating sensing according to claim 1, wherein the air dust removing piece (42) is a dustproof filter screen.
3. The coal mine gas concentration monitoring and alarming device based on the light grating sensing according to claim 2, wherein a one-way valve is arranged in the gas discharge channel, and the gas flowing direction of the one-way valve is from the inside of the protective cover (41) to the outside of the protective cover (41).
4. A coal mine gas concentration monitoring and alarming device based on light grating sensing according to claim 3, wherein a fixing component for fixing the gas concentration detector (2) is further arranged on the mounting base (1), the fixing component is located in the protective cover (41), the fixing component comprises a locating plate (51) and a pushing piece (52), and the pushing piece (52) is used for fixing the gas concentration detector (2) on the locating plate (51) in a top fastening mode.
5. The coal mine gas concentration monitoring and alarming device based on light grating sensing according to claim 4, wherein the positioning plate (51) comprises a first positioning part (511) and a second positioning part (512), positioning surfaces of the first positioning part (511) and the second positioning part (512) are in a vertical state, positioning surfaces of the first positioning part (511) and the second positioning part (512) are mutually perpendicular, the pushing piece (52) is provided with at least two pushing pieces, at least one pushing piece is arranged opposite to the positioning surface of the first positioning part (511), and at least one pushing piece is arranged opposite to the positioning surface of the second positioning part (512).
6. The coal mine gas concentration monitoring and alarming device based on the light grating sensing according to claim 1, wherein the alarm (3) is fixedly installed on the upper surface of the protective cover (41), a wire hole through which a power supply wire passes is formed in the upper surface of the protective cover (41), and the wire passing hole connecting the alarm (3) and the gas concentration detector (2) is connected.
7. The coal mine gas concentration monitoring and alarming device based on the light grating sensing according to claim 6, wherein the alarm (3) is a lamplight alarm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223269309.XU CN219548920U (en) | 2022-12-06 | 2022-12-06 | Colliery gas concentration monitoring alarm device based on light grating sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223269309.XU CN219548920U (en) | 2022-12-06 | 2022-12-06 | Colliery gas concentration monitoring alarm device based on light grating sensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219548920U true CN219548920U (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223269309.XU Active CN219548920U (en) | 2022-12-06 | 2022-12-06 | Colliery gas concentration monitoring alarm device based on light grating sensing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219548920U (en) |
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2022
- 2022-12-06 CN CN202223269309.XU patent/CN219548920U/en active Active
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