CN213331194U - Underground working gas concentration detection device - Google Patents
Underground working gas concentration detection device Download PDFInfo
- Publication number
- CN213331194U CN213331194U CN202022421351.3U CN202022421351U CN213331194U CN 213331194 U CN213331194 U CN 213331194U CN 202022421351 U CN202022421351 U CN 202022421351U CN 213331194 U CN213331194 U CN 213331194U
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- CN
- China
- Prior art keywords
- carbon monoxide
- installing support
- gas concentration
- working gas
- negative pressure
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- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The utility model discloses a working gas concentration detection device in pit, including locating plate, installing support and carbon monoxide consistency transmitter, one side welding of locating plate has the installing support, the negative pressure box is installed through the bolt in the bottom of installing support, install the suction fan through the mount pad in the negative pressure box, there is the polyethylene bellows negative pressure box's delivery outlet through the mounting screw, PVC protection shell cover is installed through the bolt to a tip of installing support, PVC protection shell endotheca is equipped with carbon monoxide consistency transmitter, and carbon monoxide consistency transmitter's test probe is located PVC protection shell opening and the open-ended periphery bonds through polyurethane glue has sealed rubber ring, another tip of PVC protection shell cover is provided with foraminiferous rubber piece. This novel underground working gas concentration detection device is convenient for detect gas concentration, and easy operation is convenient for produce, has satisfied the multiple demand in the use, is fit for extensively using widely.
Description
Technical Field
The utility model relates to a gaseous detection technology field, in particular to working gas concentration detection device in pit.
Background
China is the largest coal producing and consuming country in the world and is one of a few countries in the world which take coal as a main energy source. Coal mining produces a large amount of harmful gas such as carbon monoxide gas, and the concentration of the harmful gas needs to be detected.
Patent number CN201822081933.4 discloses a colliery is many gaseous detection device in pit, the utility model discloses the various gas concentration in monitoring collecting space area, data can show in the pit, also can upload to ground central station.
The coal mine underground multi-gas detection device has the following defects: 1. the existing underground coal mine multi-gas detection device has no dustproof and waterproof effect; 2. the existing underground coal mine multi-gas detection device cannot input fresh air into the underground coal mine, and therefore an underground working gas concentration detection device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a working gas concentration detection device in pit can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a working gas concentration detection device in pit, includes locating plate, installing support and carbon monoxide consistency transmitter, one side welding of locating plate has the installing support, the negative pressure box is installed through the bolt in the bottom of installing support, install the suction fan through the mount pad in the negative pressure box, there is the polyethylene bellows negative pressure box's delivery outlet through the mounting screw, PVC protection cover shell is installed through the bolt to a tip of installing support, PVC protection cover shell endotheca is equipped with carbon monoxide consistency transmitter, and carbon monoxide consistency transmitter's test probe is located PVC protection cover shell opening and the open-ended periphery bonds through polyurethane glue has sealed rubber ring, another tip of PVC protection cover shell is provided with foraminiferous block rubber.
Furthermore, a positioning screw is installed on the positioning plate through a bolt hole.
Further, the bottom of the polyethylene corrugated pipe is in hot melting connection with the exhaust hood.
Further, the top of installing support has the electricity storage box through the screw installation, the output of electricity storage box passes through the wire with the input of aspiration fan and carbon monoxide concentration sensor and links to each other, and the wire runs through foraminiferous rubber piece.
Furthermore, the conveyer pipe is connected to the input of negative pressure box, carbon monoxide concentration sensor's display screen is located the display screen.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through set screw of locating plate and upper end with whole equipment fixing in the pit, open carbon monoxide concentration sensor and be convenient for short-term test out the concentration numerical value of carbon monoxide in the pit, the personnel of being convenient for know to when concentration is higher, open the induced draft fan in the negative pressure box and inhale the underground with external fresh air, avoid the staff oxygen deficiency in the pit or be poisoned, the effect is showing.
2. Utilize the dampproofing dustproof effect of PVC protection cover shell outstanding, avoid the moisture to enter into carbon monoxide consistency transmitter internal damage electronic component, influence carbon monoxide consistency transmitter's life, make the exhaust hood be convenient for adjust the air-out angle under polyethylene corrugated pipe's effect, concentrate and supply the operation personnel to use.
3. The sealing rubber ring is made of PP materials, and has the advantages of high impact resistance, high elasticity, good sealing performance, resistance to corrosion of various organic solvents and acid and alkali, good stability and durability.
Drawings
Fig. 1 is the utility model relates to an overall structure schematic diagram of underground working gas concentration detection device.
Fig. 2 is the utility model relates to a working gas concentration detection device's in pit suction fan structural schematic.
Fig. 3 is the utility model relates to a working gas concentration detection device's in pit sealing rubber ring structural schematic.
In the figure: 1. an exhaust hood; 2. a negative pressure box; 3. a set screw; 4. positioning a plate; 5. mounting a bracket; 6. an electricity storage box; 7. a delivery pipe; 8. a rubber block with holes; 9. a PVC protective cover shell; 10. a display port; 11. a carbon monoxide concentration sensor; 12. an air suction fan; 13. sealing the rubber ring; 14. polyethylene corrugated pipe.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a working gas concentration detection device in pit, including locating plate 4, installing support 5 and carbon monoxide concentration sensor 11, the welding of one side of locating plate 4 has installing support 5, negative pressure box 2 is installed through the bolt in the bottom of installing support 5, install suction fan 12 through the mount pad in the negative pressure box 2, polyethylene bellows 14 is installed through the screw in the delivery outlet of negative pressure box 2, PVC protection cover case 9 is installed through the bolt to a tip of installing support 5, PVC protection cover case 9 endotheca is equipped with carbon monoxide concentration sensor 11, and carbon monoxide concentration sensor 11's test probe is located PVC protection cover case 9 opening and open-ended periphery and bonds through polyurethane glue has sealed rubber ring 13, another tip of PVC protection cover case 9 is provided with foraminiferous rubber block 8.
Wherein, a positioning screw 3 is arranged on the positioning plate 4 through a bolt hole, and the sealing rubber ring 13 is made of PP material.
In the embodiment, as shown in fig. 3, the sealing rubber ring 13 is made of PP, and has high impact resistance, high elasticity, good sealing performance, resistance to corrosion of various organic solvents and acid and alkali, good stability, and durability.
Wherein, the bottom of the polyethylene corrugated pipe 14 is connected with the exhaust hood 1 through hot melting.
In this embodiment, as shown in fig. 1, the exhaust range is effectively expanded by the exhaust hood 1.
Wherein, the top of installing support 5 is passed through the screw and is installed and hold electric box 6, hold the output of electric box 6 and pass through the wire with the input of aspiration fan 12 and carbon monoxide concentration sensor 11 and link to each other, and the wire runs through foraminiferous rubber piece 8.
In this embodiment, as shown in fig. 1, the electricity storage box 6 supplies electricity to the suction fan 12 and the carbon monoxide concentration sensor 11.
Wherein, the conveyer pipe 7 is connected to the input of negative pressure box 2, carbon monoxide concentration sensor 11's display screen is located and shows mouthful 10.
It should be noted that the utility model relates to a working gas concentration detection device in pit, in operation, install whole equipment in the pit through locating plate 4 and set screw 3 of upper end, open carbon monoxide concentration sensor 11 and be convenient for detect out the concentration numerical value of carbon monoxide in the pit fast, the personnel of being convenient for know, and when concentration is higher, open aspiration fan 12 in negative pressure box 2 and inhale outside fresh air into the pit, avoid the staff in the pit oxygen deficiency or poisoning, the effect is showing, utilize PVC protective casing 9 dampproofing dustproof effect outstanding, avoid moisture to enter into carbon monoxide concentration sensor 11 and damage electronic component, influence the life of carbon monoxide concentration sensor 11, make exhaust hood 1 be convenient for adjust the air-out angle under the effect of polyethylene bellows 14, concentrate for the operation personnel to use, utilize sealing rubber ring 13 to make for the PP material, the high-impact-resistance high-elasticity high-sealing-performance rubber gasket has high impact resistance, high elasticity, good sealing performance, resistance to corrosion of various organic solvents and acid and alkali, good stability and durability.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a working gas concentration detection device in pit, includes locating plate (4), installing support (5) and carbon monoxide concentration sensor (11), its characterized in that: one side welding of locating plate (4) has installing support (5), negative pressure box (2) are installed through the bolt in the bottom of installing support (5), install aspiration fan (12) through the mount pad in negative pressure box (2), there is polyethylene bellows (14) through the screw installation in the delivery outlet of negative pressure box (2), PVC protection cover shell (9) is installed through the bolt to one end of installing support (5), PVC protection cover shell (9) endotheca is equipped with carbon monoxide concentration sensor (11), and the test probe of carbon monoxide concentration sensor (11) is located PVC protection cover shell (9) opening and open-ended periphery bonds through polyurethane glue has sealed rubber ring (13), another tip of PVC protection cover shell (9) is provided with foraminiferous rubber block (8).
2. The downhole working gas concentration detection apparatus according to claim 1, wherein: and the positioning plate (4) is provided with a positioning screw (3) through a bolt hole.
3. The downhole working gas concentration detection apparatus according to claim 1, wherein: the bottom of the polyethylene corrugated pipe (14) is in hot melting connection with the exhaust hood (1).
4. The downhole working gas concentration detection apparatus according to claim 1, wherein: the top of installing support (5) is installed through the screw and is held electric box (6), the output that holds electric box (6) passes through the wire with the input of aspiration fan (12) and carbon monoxide concentration sensor (11) and links to each other, and the wire runs through foraminiferous rubber block (8).
5. The downhole working gas concentration detection apparatus according to claim 1, wherein: the delivery pipe (7) is connected to the input of negative pressure box (2), the display screen of carbon monoxide concentration sensor (11) is located and shows mouthful (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022421351.3U CN213331194U (en) | 2020-10-27 | 2020-10-27 | Underground working gas concentration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022421351.3U CN213331194U (en) | 2020-10-27 | 2020-10-27 | Underground working gas concentration detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213331194U true CN213331194U (en) | 2021-06-01 |
Family
ID=76074748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022421351.3U Expired - Fee Related CN213331194U (en) | 2020-10-27 | 2020-10-27 | Underground working gas concentration detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213331194U (en) |
-
2020
- 2020-10-27 CN CN202022421351.3U patent/CN213331194U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210601 Termination date: 20211027 |