CN202393761U - Low concentration methane sensor for coal mine - Google Patents
Low concentration methane sensor for coal mine Download PDFInfo
- Publication number
- CN202393761U CN202393761U CN201120515968XU CN201120515968U CN202393761U CN 202393761 U CN202393761 U CN 202393761U CN 201120515968X U CN201120515968X U CN 201120515968XU CN 201120515968 U CN201120515968 U CN 201120515968U CN 202393761 U CN202393761 U CN 202393761U
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- sensor
- casing assembly
- concentration methane
- sensing device
- assembly
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Abstract
A low concentration methane sensor for a coal mine relates to the technical field of gas measuring devices and comprises a casing assembly with a display window, a lighting board part, a sensing device and a main board part arranged in the casing assembly. The low concentration methane sensor is characterized in that the main board part is connected with the display window of the casing assembly through a fastener, and the lighting board part is fixed at the upper end of the casing assembly through the fastener. The sensing device comprises a sensor rubber gasket, a sensor dustproof net and a carrier catalyst element part arranged on a sensor fixing seat assembly. The sensor fixing seat assembly is fixed on the lower end face of the casing assembly through the fastener and the sensor rubber gasket, the sensor dustproof net is arranged at the lowest end of the sensing device, and an aviation plug is further arranged on the lower end face of the casing assembly. The low concentration methane sensor is reliable in performance, convenient to debug, use and maintain, capable of detecting methane gas continuously, long in service life and free of effects of other gas.
Description
Technical field
The utility model relates to eudiometry device technique field, is specifically related to a kind of colliery and uses low-concentration methane sensor.
Background technology
Mine safety is China's problem demanding prompt solution all the time, and Coal Production is faced with many difficulties, and, MP imperfection low like mechanization degree, technical merit are low etc.; These all are the hidden danger of mine safety, and can there be flammable explosive gas in the colliery in process of production, and these flammable explosive gas are main threats of mine safety problem; In recent years; The mine safety explosion accident frequently takes place, and when having caused huge economy and personal casualty loss, has also caused the pollution of environment; Along with gas detection sensor applies in the Coal Production; Safety of Coal Mine Production gets a new look to a certain extent; As the principal ingredient of gas, rock gas, hole gas and indication coal gas, methane is the gas of no color or smell, has only through sensitive reliable detection instrument and just can detect; Methane transducer can be reported to the police automatically when methane concentration transfinites and sent the methane concentration signal that detects to associate device continuously, avoids the generation of accident; In the existing methane transducer technology, the sensitivity of sensor is had a greatly reduced quality when encountering problems, and detecting reliability reduces; Detection for low-concentration methane can't realize; It is slow to detect the response time, and generally at 20s one 30s, this just makes Safety of Coal Mine Production have great hidden danger.
The utility model content
The utility model technical matters to be solved is to provide a kind of intellectuality, the accurate colliery of measurement to use low-concentration methane sensor.
The utility model technical matters to be solved adopts following technical scheme to realize:
Low-concentration methane sensor is used in a kind of colliery; Comprise casing assembly, luminous plaque parts, the sensing device that has display window and be located at the inner mainboard parts of casing assembly; It is characterized in that: adopt securing member to be connected between the display window on said mainboard parts and the casing assembly; Said luminous plaque parts are fixed in the upper end of casing assembly through securing member; Said sensing device comprises sensor rubber blanket, pickup dust-proofing net and is located at the carrier catalyst element parts on the sensor holder assembly; Sensor holder assembly is fixed on the lower surface of casing assembly through securing member, sensor rubber blanket, and the pickup dust-proofing net is arranged on sensing device bottom, and the lower surface of said casing assembly also is provided with aviation plug.
The front of said casing assembly is provided with the anti-network of rivers of hummer.
Said securing member is zinc-plated material, and said securing member is equipped with rubber parts.
Adopt securing member to connect between the said casing assembly.
Said aviation plug is the four-core plug.
The beneficial effect of the utility model is: the utility model is simple in structure, dependable performance, debugging, use, easy to maintenance; Be applicable to the continuous detecting in coal-mine gas drive and other low-concentration methane gas monitoring place; Realized a tractor serves several purposes; Sensing device adopts thermal conductance catalysis element detection technique to detect concentration of methane gas; Have that measuring accuracy height, adjustment cycle length, good reproducibility, measurement range are wide, long service life, do not receive advantages such as other gases affect, the casing assembly of the utility model has adopted the high-strength structure design, strong shock resistance.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the right view of the utility model;
Fig. 3 is the mounting structure synoptic diagram of the utility model sensing device;
Fig. 4 is the mounting structure synoptic diagram of the utility model mainboard parts.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Like Fig. 1,2, shown in 3 and 4; Low-concentration methane sensor is used in a kind of colliery; Comprise casing assembly 1, luminous plaque parts 2, the sensing device 3 that has display window 5 and be located at the inner mainboard parts 6 of casing assembly 1, the employing securing member is connected B2 between the display window 5 on mainboard parts 6 and the casing assembly 1, and luminous plaque parts 2 are fixed in the upper end of casing assembly 1 through securing member; Sensing device 3 comprises sensor rubber blanket 7, pickup dust-proofing net 10 and is located at the carrier catalyst element parts 9 on the sensor holder assembly 8; Sensor holder assembly 8 is fixed on the lower surface of casing assembly 1 through securing member B1, sensor rubber blanket 7, and pickup dust-proofing net 10 is arranged on sensing device 3 bottom, and the lower surface of casing assembly 1 also is provided with the four-core aviation plug 4 that connects electric wiring; The front of casing assembly 1 is provided with the anti-network of rivers 11 of hummer; Adopt firm between casing assembly 1 each housing and be connected to one-piece construction, the securing member in the present embodiment is zinc-plated material, and is equipped with rubber parts.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (5)
1. low-concentration methane sensor is used in the colliery; Comprise casing assembly, luminous plaque parts, the sensing device that has display window and be located at the inner mainboard parts of casing assembly; It is characterized in that: adopt securing member to be connected between the display window on said mainboard parts and the casing assembly; Said luminous plaque parts are fixed in the upper end of casing assembly through securing member; Said sensing device comprises sensor rubber blanket, pickup dust-proofing net and is located at the carrier catalyst element parts on the sensor holder assembly; Sensor holder assembly is fixed on the lower surface of casing assembly through securing member, sensor rubber blanket, and the pickup dust-proofing net is arranged on sensing device bottom, and the lower surface of said casing assembly also is provided with aviation plug.
2. low-concentration methane sensor is used in colliery according to claim 1, it is characterized in that: the front of said casing assembly is provided with the anti-network of rivers of hummer.
3. low-concentration methane sensor is used in colliery according to claim 1, it is characterized in that: said securing member is zinc-plated material.
4. low-concentration methane sensor is used in colliery according to claim 1, it is characterized in that: adopt securing member to connect between the said casing assembly.
5. low-concentration methane sensor is used in colliery according to claim 1, it is characterized in that: said aviation plug is the four-core plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120515968XU CN202393761U (en) | 2011-12-12 | 2011-12-12 | Low concentration methane sensor for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120515968XU CN202393761U (en) | 2011-12-12 | 2011-12-12 | Low concentration methane sensor for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393761U true CN202393761U (en) | 2012-08-22 |
Family
ID=46668675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120515968XU Expired - Fee Related CN202393761U (en) | 2011-12-12 | 2011-12-12 | Low concentration methane sensor for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301219A (en) * | 2015-10-09 | 2016-02-03 | 扬中市南方矿用电器有限公司 | CJT4/1000X suspended type methane and carbon monoxide detector |
| CN109425718A (en) * | 2017-08-22 | 2019-03-05 | 天津市科瑞燃气设备有限公司 | A kind of coal gas detection instrument |
-
2011
- 2011-12-12 CN CN201120515968XU patent/CN202393761U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301219A (en) * | 2015-10-09 | 2016-02-03 | 扬中市南方矿用电器有限公司 | CJT4/1000X suspended type methane and carbon monoxide detector |
| CN109425718A (en) * | 2017-08-22 | 2019-03-05 | 天津市科瑞燃气设备有限公司 | A kind of coal gas detection instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20141212 |
|
| EXPY | Termination of patent right or utility model |