CN215525504U - Laser methane telemetering measurement ray apparatus structure - Google Patents
Laser methane telemetering measurement ray apparatus structure Download PDFInfo
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- CN215525504U CN215525504U CN202121998538.8U CN202121998538U CN215525504U CN 215525504 U CN215525504 U CN 215525504U CN 202121998538 U CN202121998538 U CN 202121998538U CN 215525504 U CN215525504 U CN 215525504U
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- Prior art keywords
- fixedly connected
- air inlet
- inlet pipe
- methane
- methane sensor
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 238000005259 measurement Methods 0.000 title description 4
- 239000004065 semiconductor Substances 0.000 claims abstract description 24
- 238000005057 refrigeration Methods 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims 2
- 238000000605 extraction Methods 0.000 abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a laser methane telemetering optical machine structure which comprises a methane sensor and an acquisition pipeline, wherein the lower end of the methane sensor is fixedly connected with an air inlet pipe, the outer side wall of the air inlet pipe is fixedly connected with semiconductor refrigeration pieces, the outer side walls of the semiconductor refrigeration pieces are fixedly connected with radiating fins, the radiating fins are uniformly distributed on the outer side walls of the semiconductor refrigeration pieces, and the lower end of the air inlet pipe penetrates through the upper end side wall of the acquisition pipeline. According to the methane sensor, the power is supplied to the semiconductor refrigeration sheet through the safety power supply, the cold end of the semiconductor refrigeration sheet refrigerates the air inlet pipe, so that gas entering the air inlet pipe is cooled, water vapor contained in the gas in the air inlet pipe can flow back to the gas extraction pipeline along the pipe wall of the air inlet pipe after being condensed, the humidity of the gas entering the methane sensor is greatly reduced, the influence of the water vapor on the methane sensor is greatly reduced, the sensitivity of the methane sensor is guaranteed, and the service life of the methane sensor is prolonged.
Description
Technical Field
The utility model relates to the technical field of methane concentration detection, in particular to a laser methane telemetering optical-mechanical structure.
Background
The method is characterized in that gas under a mine needs to be pumped and discharged through an underground gas extraction pipeline, the main component contained in the gas is methane, and in order to determine the concentration of the methane in the gas extraction pipeline, a methane sensor is installed on the gas extraction pipeline.
The existing various methane sensors are basically connected with a gas extraction pipeline through a gas inlet pipe and a gas outlet pipe, and water contained in gas is relatively large, so that in use, the sensitivity and the service life of the methane sensors are influenced to a certain extent by water vapor contained in the gas, and therefore, a laser methane remote measurement optical-mechanical structure is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that water vapor contained in gas influences the sensitivity and the service life of a methane sensor to a certain extent in the prior art, and provides a laser methane telemetering opto-mechanical structure.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a laser methane telemetering measurement bare engine structure, includes methane sensor and collection pipeline, methane sensor lower extreme fixed connection intake pipe, intake pipe lateral wall fixed connection semiconductor refrigeration piece, the equal fixed connection fin of semiconductor refrigeration piece lateral wall, it is a plurality of fin evenly distributed is at semiconductor refrigeration piece lateral wall, the intake pipe lower extreme runs through collection pipeline upper end lateral wall, intake pipe lower extreme and collection pipeline upper end lateral wall run through a fixed connection, intake pipe lower extreme fixed connection piece, the inboard fixed connection inlet port of connection piece, inlet port lower extreme lateral wall fixed connection wash port, methane sensor lateral wall fixed connection power, the power is connected with the methane sensor electricity, the power is connected with semiconductor refrigeration piece electricity.
Preferably, the lower end of the methane sensor is fixedly connected with an air outlet pipe, the lower end of the air outlet pipe penetrates through the side wall of the upper end of the collecting pipeline, and the lower end of the air outlet pipe is fixedly connected with the penetrating part of the side wall of the upper end of the collecting pipeline.
Preferably, the lower end of the air outlet pipe is fixedly connected with a connecting sheet, and the inner side of the connecting sheet is fixedly connected.
Preferably, the upper end of the power supply is fixedly connected with an information transmitting device, and the information transmitting device is electrically connected with the methane sensor.
Preferably, one side of the methane sensor is fixedly connected with a fixing frame, and the side wall of the fixing frame is fixedly connected with a solar cell panel.
Preferably, the solar cell panel is electrically connected with the converter, the converter is fixedly connected with the side wall of the upper end of the fixing frame, and the converter is electrically connected with the power supply.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the methane concentration detection device, the gas inlet end of the gas inlet pipe and the gas outlet end of the gas outlet pipe in the methane concentration detection device are communicated with the underground gas extraction pipeline, when the methane sensor detects the concentration of methane in the gas extraction pipeline, power is supplied to the semiconductor refrigeration sheet by the power supply, the cold end of the semiconductor refrigeration sheet refrigerates the gas inlet pipe, so that gas entering the gas inlet pipe is cooled, water vapor contained in the gas inlet pipe flows back into the gas extraction pipeline along the pipe wall of the gas inlet pipe after being condensed, the humidity of the gas entering the methane sensor is greatly reduced, the influence of the water vapor on the methane sensor is greatly reduced, the sensitivity of the methane sensor is ensured, and the service life of the methane sensor is prolonged;
2. the air inlet end of the air inlet pipe and the air outlet end of the air outlet pipe are connected with a connecting seat together, the connecting seat is provided with an air inlet hole and an air outlet hole which are respectively communicated with the air inlet pipe and the air outlet pipe, and the bottom of the connecting seat is provided with a drain hole communicated with the air inlet hole. The connecting seat is connected with the air inlet pipe and the air outlet pipe, so that the vibration of the air inlet pipe and the air outlet pipe in the gas extraction pipeline, which is caused by the influence of airflow, can be reduced.
Drawings
FIG. 1 is a schematic structural diagram of a laser methane telemetry opto-mechanical structure according to the present invention;
fig. 2 is a schematic diagram of an electrical connection structure of a laser methane telemetry optical-mechanical structure according to the present invention.
In the figure: the device comprises a methane sensor 1, an air inlet pipe 2, a heat radiating fin 3, a power supply 4, a semiconductor refrigerating piece 5, a connecting piece 6, a collecting pipeline 7, a solar cell panel 8, an air outlet pipe 9, an air inlet hole 10, an air outlet hole 11, a water outlet hole 12, an information transmitting device 13, a fixing frame 14 and a converter 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a laser methane telemetering optical machine structure, including methane sensor 1 and collection pipeline 7, 1 lower extreme fixed connection intake pipe 2 of methane sensor, 2 lateral walls of intake pipe fixed connection semiconductor refrigeration piece 5, 5 equal fixed connection fin 3 of lateral walls of semiconductor refrigeration piece, 3 evenly distributed of a plurality of fin are at 5 lateral walls of semiconductor refrigeration piece, 2 lower extremes of intake pipe run through collection pipeline 7 upper end lateral walls, 2 lower extremes of intake pipe run through department fixed connection with collection pipeline 7 upper end lateral walls, 2 lower extremes of intake pipe fixed connection piece 6, the inboard fixed connection inlet port 10 of connection piece 6, inlet port 10 lower extreme lateral wall fixed connection wash port 12, 1 lateral wall fixed connection power 4 of methane sensor, power 4 is connected with 1 electricity of methane sensor, power 4 is connected with 5 electricity of semiconductor refrigeration piece. In order to ensure the use effect of the semiconductor refrigerating sheet 5, a plurality of radiating fins 3 are connected to the hot end of the semiconductor refrigerating sheet 5.
The lower end of the methane sensor 1 is fixedly connected with an air outlet pipe 9, the lower end of the air outlet pipe 9 penetrates through the side wall of the upper end of the collecting pipeline 7, and the lower end of the air outlet pipe 9 is fixedly connected with the penetrating part of the side wall of the upper end of the collecting pipeline 7. The connecting seat is connected with the air inlet pipe 2 and the air outlet pipe 9, so that the vibration of the air inlet pipe 2 and the air outlet pipe 9 in the gas extraction pipeline caused by the influence of airflow can be reduced.
The lower end of the air outlet pipe 9 is fixedly connected with a connecting sheet 6, and the inner side of the connecting sheet 6 is fixedly connected. The vibration of the air inlet pipe 2 and the air outlet pipe 9 in the gas extraction pipeline caused by the influence of the air flow can be reduced.
The upper end of the power supply 4 is fixedly connected with an information transmitting device 13, and the information transmitting device 13 is electrically connected with the methane sensor 1. The collected information is transmitted to the staff through the information transmitting device 13, and the first-hand information can be conveniently mastered at any time.
One side of the methane sensor 1 is fixedly connected with a fixing frame 14, and the side wall of the fixing frame 14 is fixedly connected with a solar cell panel 8. The methane sensor 1 and the solar cell panel 8 are fixed, and the methane sensor is convenient and practical.
The solar cell panel 8 is electrically connected with the converter 15, the converter 15 is fixedly connected with the side wall of the upper end of the fixing frame 14, and the converter 15 is electrically connected with the power supply 4. The solar cell panel 8 continuously charges the power supply 4, and the practical time is prolonged.
When the gas inlet pipe is used, the gas inlet end of the gas inlet pipe 2, the gas outlet end of the gas outlet pipe 9 and the connecting seat are arranged in a gas extraction pipeline, the gas inlet pipe 2, the gas outlet pipe 9 and the outer wall of the gas extraction pipeline are fixed through the sealing plates, and after the gas inlet pipe 2 and the gas outlet pipe 9 are installed, the sealing plates are required to ensure the sealing of the gas extraction pipeline. When gas in the gas extraction pipeline passes through the direction of an arrow shown in the figure, the gas enters the methane sensor 1 through the gas inlet pipe 2 and returns to the gas extraction pipeline through the gas outlet pipe 9. When the methane detection device works, the power supply 4 is continuously charged by the solar cell panel, the power supply 4 supplies power to the semiconductor refrigeration piece 5, the cold end of the semiconductor refrigeration piece 5 refrigerates the air inlet pipe 2, so that gas entering the air inlet pipe 2 is cooled, water vapor contained in the gas in the air inlet pipe 2 can flow back to a gas extraction pipeline through the water drain hole 12 along the pipe wall of the air inlet pipe 2 after being condensed, and then the water vapor is discharged by a water discharger arranged on the gas extraction pipeline.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The laser methane telemetering optical machine structure comprises a methane sensor (1) and a collection pipeline (7), and is characterized in that the lower end of the methane sensor (1) is fixedly connected with an air inlet pipe (2), the outer side wall of the air inlet pipe (2) is fixedly connected with a semiconductor refrigeration sheet (5), the outer side wall of the semiconductor refrigeration sheet (5) is fixedly connected with cooling fins (3), the cooling fins (3) are uniformly distributed on the outer side wall of the semiconductor refrigeration sheet (5), the lower end of the air inlet pipe (2) penetrates through the upper end side wall of the collection pipeline (7), the lower end of the air inlet pipe (2) is fixedly connected with the penetrating part of the upper end side wall of the collection pipeline (7), the lower end of the air inlet pipe (2) is fixedly connected with a connecting sheet (6), the inner side of the connecting sheet (6) is fixedly connected with an air inlet hole (10), and the lower end side wall of the air inlet hole (10) is fixedly connected with a drain hole (12), methane sensor (1) lateral wall fixed connection power (4), power (4) are connected with methane sensor (1) electricity, power (4) are connected with semiconductor refrigeration piece (5) electricity.
2. The laser methane telemetering optical machine structure according to claim 1, wherein the lower end of the methane sensor (1) is fixedly connected with an air outlet pipe (9), the lower end of the air outlet pipe (9) penetrates through the side wall of the upper end of the acquisition pipeline (7), and the lower end of the air outlet pipe (9) is fixedly connected with the penetrating part of the side wall of the upper end of the acquisition pipeline (7).
3. The laser methane telemetering optical machine structure according to claim 2, wherein the lower end of the gas outlet pipe (9) is fixedly connected with a connecting sheet (6), and the inner side of the connecting sheet (6) is fixedly connected.
4. The laser methane telemetering optical machine structure according to claim 1, characterized in that an information transmitting device (13) is fixedly connected to the upper end of the power supply (4), and the information transmitting device (13) is electrically connected with the methane sensor (1).
5. The laser methane telemetering optical machine structure according to claim 1, characterized in that a fixing frame (14) is fixedly connected to one side of the methane sensor (1), and a solar panel (8) is fixedly connected to the side wall of the fixing frame (14).
6. The laser methane telemetering optical machine structure according to claim 5, wherein the solar cell panel (8) is electrically connected with a converter (15), the converter (15) is fixedly connected with the side wall of the upper end of the fixing frame (14), and the converter (15) is electrically connected with the power supply (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121998538.8U CN215525504U (en) | 2021-08-24 | 2021-08-24 | Laser methane telemetering measurement ray apparatus structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121998538.8U CN215525504U (en) | 2021-08-24 | 2021-08-24 | Laser methane telemetering measurement ray apparatus structure |
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| Publication Number | Publication Date |
|---|---|
| CN215525504U true CN215525504U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121998538.8U Expired - Fee Related CN215525504U (en) | 2021-08-24 | 2021-08-24 | Laser methane telemetering measurement ray apparatus structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735330A (en) * | 2023-08-11 | 2023-09-12 | 湖南腾禹海外水利电力咨询有限公司 | Carbon dioxide emission monitoring equipment and monitoring method thereof |
| CN117309906A (en) * | 2023-09-27 | 2023-12-29 | 江南大学 | VOCs sensor without sensitive material and VOCs detection method |
-
2021
- 2021-08-24 CN CN202121998538.8U patent/CN215525504U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735330A (en) * | 2023-08-11 | 2023-09-12 | 湖南腾禹海外水利电力咨询有限公司 | Carbon dioxide emission monitoring equipment and monitoring method thereof |
| CN116735330B (en) * | 2023-08-11 | 2023-10-31 | 湖南腾禹海外水利电力咨询有限公司 | Carbon dioxide emission monitoring equipment and monitoring method thereof |
| CN117309906A (en) * | 2023-09-27 | 2023-12-29 | 江南大学 | VOCs sensor without sensitive material and VOCs detection method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220114 |