CN217821806U - Gas concentration monitoring alarm device - Google Patents
Gas concentration monitoring alarm device Download PDFInfo
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- CN217821806U CN217821806U CN202221813406.8U CN202221813406U CN217821806U CN 217821806 U CN217821806 U CN 217821806U CN 202221813406 U CN202221813406 U CN 202221813406U CN 217821806 U CN217821806 U CN 217821806U
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- monitoring alarm
- gas concentration
- filter screen
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Abstract
The utility model relates to a gas monitoring technology field specifically is a gas concentration monitoring alarm device, including monitoring alarm main part and install the column sensor in monitoring alarm main part bottom, fixed cover has the taper cover on the outer wall of column sensor, the fixedly connected with ring of inner wall lower part edge of taper cover, fixedly connected with filter screen on the inner wall of ring, the beneficial effects of the utility model are that combustible gas monitoring alarm can enlarge monitoring range in the colliery, can in time monitor whether the concentration of gas exceeds standard to can intercept the colliery in the buggy in the air enter into the column sensor of combustible gas monitoring alarm bottom, avoid the buggy to influence the accuracy of combustible gas monitoring alarm to gas monitoring, the filter screen that is used for intercepting the buggy simultaneously conveniently cleans, avoids the filter screen to be blockked up by the buggy and influence the air admission to inside the taper cover.
Description
Technical Field
The utility model relates to a gas monitoring technology field specifically is a gas concentration monitoring alarm device.
Background
The main components of the gas are alkanes, most of which are methane, and small amounts of ethane, propane and butane, and generally contain hydrogen sulfide, carbon dioxide, nitrogen and water, and trace amounts of inert gases such as helium, argon and the like. Under standard conditions, methane to butane exist in a gaseous state, and pentane or higher is liquid. If exposed fire occurs, the fire can be burnt, gas explosion occurs, and the life safety of miners is directly threatened.
In the colliery, the safety is in the interest, can install combustible gas monitoring alarm in the colliery usually, combustible gas monitoring alarm can on-line monitoring colliery in the gas concentration, in case the concentration of gas exceeds standard, combustible gas monitoring alarm then can send out alarm sound warning relevant staff, gas mainly gets into along the column sensor of combustible gas monitoring alarm bottom and is monitored gas concentration by combustible gas monitoring alarm, but the bore of column sensor is less, monitoring range is big enough, it is not timely enough to monitor gas concentration exceeds standard, and the buggy that drifts about in the colliery enters into the sensor can influence the accuracy of combustible gas monitoring alarm to gas monitoring, thereby make the result of use of combustible gas monitoring alarm not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas concentration monitoring alarm device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a gas concentration monitoring alarm device, includes monitoring alarm main part and installs the column sensor in monitoring alarm main part bottom, fixed cover has the taper cover on the outer wall of column sensor, the inner wall lower part edge fixedly connected with ring of taper cover, fixedly connected with filter screen on the inner wall of ring, the top of filter screen rotates through the driving piece and is provided with the fan blade, and the fixed interlude of inner wall center department of filter screen has the thread bush, the lower extreme center department fixedly connected with screw thread section of thick bamboo of fan blade, the inside top fixedly connected with spring of thread section of thick bamboo, and the joint of sliding jointly of inner wall lower part edge of the screw thread section of thick bamboo and the inner wall upper portion edge of thread bush has the block rubber, the upper end of block rubber and the lower extreme fixed connection of spring, the inner wall threaded connection of thread bush has the double-screw bolt, fixedly connected with cleaning member on the outer wall of double-screw bolt.
Preferably, the driving part comprises a supporting plate, the supporting plate is fixedly connected to the inner wall of the conical cover, a motor is fixedly mounted at the front end of the supporting plate, and the output shaft end of the motor is fixedly connected with the center of the upper end of the fan blade.
Preferably, the cleaning piece comprises a connecting plate, the connecting plate is fixedly connected to the outer wall of the stud close to the lower edge, and a brush is fixedly connected to the upper end of the connecting plate.
Preferably, the lower end of the stud is fixedly connected with a rotating column, and the outer wall of the rotating column is provided with anti-skid grains.
Preferably, the fan blades are made of a plastic material, the rubber blocks are made of a polytetrafluoroethylene material, and the springs are made of a carbon steel material.
Preferably, the upper end of the conical cover is provided with a mounting hole, and the mounting hole is matched with the columnar sensor in shape.
Compared with the prior art, the beneficial effects of the utility model are that: the monitoring range of the combustible gas monitoring alarm can be enlarged in a coal mine, whether the concentration of gas exceeds the standard can be monitored in time, pulverized coal in the air of the coal mine can be intercepted and enter a cylindrical sensor at the bottom of the combustible gas monitoring alarm, the pulverized coal is prevented from influencing the accuracy of the combustible gas monitoring alarm on gas monitoring, a filter screen used for intercepting the pulverized coal is convenient to clean, and the filter screen is prevented from being blocked by the pulverized coal and influencing the air to enter the conical cover.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is another cross-sectional view of the present invention;
fig. 4 is a schematic structural diagram of a point a in fig. 3.
In the drawings, the reference numbers indicate the following list of parts: 1. monitoring the alarm main body; 2. a columnar sensor; 3. a conical cover; 4. a circular ring; 5. filtering with a screen; 6. a motor; 7. a support plate; 8. a fan blade; 9. a threaded barrel; 10. a stud; 11. a connecting plate; 12. a brush; 13. a spring; 14. a rubber block; 15. a threaded sleeve; 16. rotating the column; 17. and (7) installing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
The utility model provides a technical scheme: as shown in fig. 1-4, a gas concentration monitoring alarm device, including monitoring alarm main body 1 and the column sensor 2 installed in monitoring alarm main body 1 bottom, fixed cover has taper cover 3 on the outer wall of column sensor 2, the fixedly connected with ring 4 of inner wall lower part edge of taper cover 3, fixedly connected with filter screen 5 on the inner wall of ring 4, the top of filter screen 5 rotates through the driving piece and is provided with fan blade 8, and the fixed interlude of inner wall center department of filter screen 5 has thread bush 15, the fixedly connected with screw thread section of thick bamboo 9 of lower extreme center department of fan blade 8, the inside top fixedly connected with spring 13 of screw thread section of thick bamboo 9, and the joint of inner wall lower part edge of screw thread section of thick bamboo 9 and the upper portion edge of the inner wall of thread bush 15 jointly sliding has block 14, the upper end of block 14 and the lower extreme fixed connection of spring 13, the inner wall threaded connection of thread bush 15 has double-screw bolt 10, the fixedly connected with cleaning piece on the outer wall of double-screw bolt 10.
The driving piece comprises a supporting plate 7, the supporting plate 7 is fixedly connected to the inner wall of the conical cover 3, the motor 6 is fixedly mounted at the front end of the supporting plate 7, the output shaft end of the motor 6 is fixedly connected with the upper end center of the fan blades 8, the motor 6 is connected with an external power supply, the fan blades 8 can be driven by the motor 6 to rotate, and the supporting plate 7 is used for supporting and fixing the motor 6.
The cleaning piece includes connecting plate 11, connecting plate 11 fixed connection is close to lower part edge at the outer wall of double-screw bolt 10, and the upper end fixedly connected with brush 12 of connecting plate 11, when double-screw bolt 10 rotated to the inside that is in threaded cylinder 9, brush 12 can laminate the lower extreme at filter screen 5, and fan blade 8 is taking threaded cylinder 9 to rotate, double-screw bolt 10 then can take connecting plate 11 to rotate, then brush 12 is rotatable and can carry out comprehensive cleanness to the lower extreme of filter screen 5, avoid filter screen 5 to be blockked up by the buggy in the colliery and influence the inside that the air entered into taper cover 3.
The lower end of the stud 10 is fixedly connected with a rotating column 16, the outer wall of the rotating column 16 is provided with anti-slip lines, and the stud 10 is convenient to rotate by arranging the rotating column 16.
The fan blade 8 is made of plastic material, the rubber block 14 is made of polytetrafluoroethylene material, the spring 13 is made of carbon steel material, according to the characteristic of the plastic, the fan blade 8 is light in texture and easy to rotate, according to the characteristic of the polytetrafluoroethylene, the use strength of the rubber block 14 is high, and according to the characteristic of the carbon steel, the use strength of the spring 13 is high.
The working principle is as follows: the fan blades 8 can be driven to rotate by arranging the driving piece, then airflow outside the conical cover 3 can be introduced into the conical cover 3, and the cylindrical sensor 2 is positioned at the inner side of the conical cover 3, so that the range of monitoring gas of the monitoring alarm main body 1 can be expanded, whether the gas concentration exceeds the standard can be timely monitored, pulverized coal in the air can be intercepted by arranging the filter screen 5, the pulverized coal is prevented from entering the cylindrical sensor 2 to influence the accuracy of the monitoring alarm main body 1 for monitoring the gas, after the filter screen 5 is used for a period of time, the fan blades 8 are stopped to rotate, then the stud 10 is rotated upwards, the stud 10 can be rotated upwards in the inner wall of the threaded sleeve 15, the stud 10 can push the rubber block 14 to move upwards, then the stud 10 can be screwed in the threaded sleeve 9, and the rubber block 14 can extrude the spring 13 connected with the top end inside the threaded sleeve 9, then the fan blades 8 are driven to rotate, the lower end of the filter screen 5 can be comprehensively cleaned by arranging the cleaning piece, the filter screen 5 can be prevented from being blocked by pulverized coal to influence air to enter the conical cover 3, when the filter screen 5 is cleaned, the fan blades 8 are stopped to rotate, the studs 10 are rotated downwards, the rubber block 14 can be attached to the top end of the studs 10 to move downwards under the action of the spring 13, when the rubber block 14 enters the threaded sleeve 15, the studs 10 are stopped to rotate, the top ends of the studs 10 can be located in the threaded sleeve 15, at the moment, the fan blades 8 are driven to rotate, air flow outside the conical cover 3 can be continuously led into the conical cover 3, the studs 10 can also rotate out of the threaded sleeve 15, the brush 12 can be conveniently cleaned, and the rubber block 14 can seal the threaded sleeve 15 all the time, so that the pulverized coal can be prevented from entering the conical cover 3 along the threaded sleeve 15.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides a gas concentration monitoring alarm device, includes monitoring alarm ware main part (1) and installs column sensor (2) in monitoring alarm ware main part (1) bottom, its characterized in that: the sensor is characterized in that a cone cover (3) is fixedly sleeved on the outer wall of the columnar sensor (2), a circular ring (4) is fixedly connected to the edge of the lower portion of the inner wall of the cone cover (3), a filter screen (5) is fixedly connected to the inner wall of the circular ring (4), fan blades (8) are arranged above the filter screen (5) in a rotating mode through a driving piece, a threaded sleeve (15) is fixedly inserted into the center of the inner wall of the filter screen (5), a threaded cylinder (9) is fixedly connected to the center of the lower end of the fan blades (8), a spring (13) is fixedly connected to the top end of the interior of the threaded cylinder (9), a rubber block (14) is attached to the edge of the lower portion of the inner wall of the threaded cylinder (9) in a sliding mode together with the edge of the upper portion of the inner wall of the threaded sleeve (15), the upper end of the rubber block (14) is fixedly connected with the lower end of the spring (13), a stud (10) is connected to the thread of the inner wall of the threaded sleeve (15), and a cleaning piece is fixedly connected to the outer wall of the stud (10).
2. The gas concentration monitoring and alarming device of claim 1, wherein: the driving piece comprises a supporting plate (7), the supporting plate (7) is fixedly connected to the inner wall of the conical cover (3), a motor (6) is fixedly mounted at the front end of the supporting plate (7), and the output shaft end of the motor (6) is fixedly connected with the center of the upper end of the fan blade (8).
3. The gas concentration monitoring and alarming device of claim 1, wherein: the cleaning piece comprises a connecting plate (11), the connecting plate (11) is fixedly connected to the outer wall of the stud (10) close to the lower edge, and a brush (12) is fixedly connected to the upper end of the connecting plate (11).
4. The gas concentration monitoring and alarming device of claim 1, wherein: the lower end of the stud (10) is fixedly connected with a rotating column (16), and anti-skidding lines are formed in the outer wall of the rotating column (16).
5. The gas concentration monitoring and alarming device of claim 1, wherein: the fan blades (8) are made of a plastic material, the rubber blocks (14) are made of a polytetrafluoroethylene material, and the springs (13) are made of a carbon steel material.
6. The gas concentration monitoring and alarming device of claim 1, wherein: mounting holes (17) are formed in the upper end of the conical cover (3), and the mounting holes (17) are matched with the columnar sensors (2) in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221813406.8U CN217821806U (en) | 2022-09-30 | 2022-09-30 | Gas concentration monitoring alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221813406.8U CN217821806U (en) | 2022-09-30 | 2022-09-30 | Gas concentration monitoring alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217821806U true CN217821806U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221813406.8U Active CN217821806U (en) | 2022-09-30 | 2022-09-30 | Gas concentration monitoring alarm device |
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| CN (1) | CN217821806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116660320A (en) * | 2023-07-25 | 2023-08-29 | 北京燕山时代仪表有限公司 | CO gas detection alarm |
-
2022
- 2022-09-30 CN CN202221813406.8U patent/CN217821806U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116660320A (en) * | 2023-07-25 | 2023-08-29 | 北京燕山时代仪表有限公司 | CO gas detection alarm |
| CN116660320B (en) * | 2023-07-25 | 2023-10-03 | 北京燕山时代仪表有限公司 | CO gas detection alarm |
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