CN216594393U - Air chamber structure - Google Patents
Air chamber structure Download PDFInfo
- Publication number
- CN216594393U CN216594393U CN202123169466.9U CN202123169466U CN216594393U CN 216594393 U CN216594393 U CN 216594393U CN 202123169466 U CN202123169466 U CN 202123169466U CN 216594393 U CN216594393 U CN 216594393U
- Authority
- CN
- China
- Prior art keywords
- sampling port
- gas
- measuring
- port
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a gas chamber structure, which comprises a measuring block, wherein a gas sampling port is formed in the bottom of the measuring block, and the gas sampling port comprises a first sampling port, a second sampling port, a third sampling port and an exhaust port; the first sampling port and the second sampling port are communicated to the left side surface of the measuring block, and differential pressure parameter measuring chambers are arranged on the left side surface of the measuring block corresponding to the through positions of the first sampling port and the second sampling port; a pressure parameter measuring chamber is communicated with a through passage of the first sampling port and the pressure difference parameter measuring chamber; and the third sampling port is communicated to the top of the measuring block from bottom to top. In the structure of the utility model, the gas chamber adopts an integrated structure, an environment gas sample is introduced into the sealed measuring chamber, the gas sensor is arranged in the sealed measuring chamber, parameters such as gas concentration, pressure, temperature and humidity can be rapidly and accurately measured, different gas sensors are replaced in the measuring chamber to measure different gas concentrations and gas parameters, and the use is convenient.
Description
Technical Field
The utility model belongs to the technical field of concentration measurement of coal mining mixed gas in the energy industry, and particularly relates to a gas chamber structure.
Background
In the coal mining process, the underground environmental gas of the coal mine needs to be measured so as to ensure the safety of underground workers of the coal mine.
The poisonous and harmful gas in the mine is mostly mixed gas, and mainly has gas mixture such as methane, carbon monoxide, carbon dioxide, hydrogen sulfide to constitute, and the gas in the gas sensor direct contact environment is measured respectively to current multi-parameter measuring apparatu, receives in the pit wind current and environmental impact great, and measuring space is restricted, and the field usage is very inconvenient.
How to design a gas chamber structure, how to reduce the influence that gas sensor receives wind current and environment in the pit, increase gas sensor's measurement accuracy, become the problem that the solution is badly needed.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, the present invention provides a gas chamber structure for solving the problem of inaccurate measurement caused by the large influence of the downhole wind flow and the environment on the gas sensor in the prior art.
In order to achieve the purpose, the utility model provides a gas chamber structure, which comprises a measuring block, wherein the bottom of the measuring block is provided with a gas sampling port, and the gas sampling port comprises a first sampling port, a second sampling port, a third sampling port and an exhaust port;
the first sampling port and the second sampling port are communicated to the left side surface of the measuring block, and differential pressure parameter measuring chambers are arranged on the left side surface of the measuring block corresponding to the through positions of the first sampling port and the second sampling port; the first sampling port is communicated with a pressure parameter measuring chamber on a through passage of the pressure parameter measuring chamber;
the third sampling port is communicated to the top of the measuring block from bottom to top, and an extraction port is formed in the position, corresponding to the through position of the third sampling port, of the top of the measuring block; two concentration parameter measuring chambers are communicated with a through passage of the third sampling port and the pumping port;
the gas vent leads to the left surface of measuring the piece, the left surface of measuring the piece corresponds the through position of gas vent and is equipped with the air inlet.
By adopting the technical scheme: a pressure parameter measuring chamber is communicated with a through passage between the first sampling port and the pressure difference parameter measuring chamber, and the pressure of passing gas can be directly measured after the pressure parameter measuring chamber is internally connected with a gas pressure sensor; the first sampling port and the second sampling port are matched for use, so that the differential pressure parameter of the gas can be measured; the gas can be pumped into the measuring block from the third sampling port after the pumping port is connected with the pumping equipment and then pumped out from the pumping port, a through passage between the third sampling port and the pumping port is communicated with a concentration parameter measuring chamber, and the concentration of the passing gas can be directly measured after the concentration parameter measuring chamber is internally connected with a concentration sensor; the exhaust port is used for leading the gas from the gas inlet back to the exhaust port under the condition that the gas pumped out from the gas pumping port is toxic gas, and exhausting the gas to the original space of the gas, so that gas pollution is avoided; in the process of measuring each parameter, a gas sample is introduced into the measuring block, so that the problem of low measuring precision caused by the influence of underground wind flow and environment on the gas sensor can be avoided.
In an embodiment of the present invention, the first sampling port, the second sampling port, the third sampling port and the exhaust port are not connected to each other in the through passage inside the measuring block;
by adopting the technical scheme: the pressure difference, the pressure measurement sampling port and the gas concentration measurement sampling port are isolated from each other, so that the mutual influence is avoided, and a plurality of parameters can be measured simultaneously.
In an embodiment of the present invention, the pressure parameter measuring chamber is upwardly open to the outside of the measuring block;
by adopting the technical scheme: the pressure sensor inside the pressure parameter measuring chamber is ensured to be connected and disassembled, so that the pressure sensor can be replaced conveniently.
In an embodiment of the present invention, both of the two concentration parameter measuring chambers are right-handed to the outside of the measuring block;
by adopting the technical scheme: the connection of the concentration sensors in the concentration parameter measuring chamber is ensured to be detachable, so that different concentration sensors can be conveniently replaced to measure different gas concentrations.
In an embodiment of the present invention, the concentration parameter measuring chamber and the pressure parameter measuring chamber are both sealed installation positions of the gas sensor on the multi-parameter measuring instrument;
by adopting the technical scheme: the tightness of the sensor after being installed inside the measuring chamber is ensured, and environmental pollution caused by gas leakage is avoided.
Advantageous effects
In the structure of the utility model, the gas chamber adopts an integrated structure, an environment gas sample is introduced into the sealed measuring chamber, the gas sensor is arranged in the sealed measuring chamber, parameters such as gas concentration, pressure, temperature and humidity can be rapidly and accurately measured, different gas sensors are replaced in the measuring chamber to measure different gas concentrations and gas parameters, and the use is convenient; the popularization and the application have good economic benefit and social benefit.
Drawings
FIG. 1 is a front sectional view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a bottom view of the present invention.
Fig. 5 is a right side view of the present invention.
In the figure: 1. a measuring block; 2. a gas sampling port; 21. a first sampling port; 22. a second sampling port; 23. a third sampling port; 24. an exhaust port; 3. a differential pressure parameter measuring chamber; 4. an air inlet; 5. an air extraction opening; 6. a concentration parameter measuring chamber; 7. a pressure parameter measuring chamber.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1-5, the present invention provides a gas chamber structure, which comprises a measuring block 1, wherein a gas sampling port 2 is formed at the bottom of the measuring block 1, and the gas sampling port 2 comprises a first sampling port 21, a second sampling port 22, a third sampling port 23 and an exhaust port 24; by adopting the technical scheme: the gas sampling port 2 is used for introducing gas into the measuring block 1 for measurement, so that the influence of underground wind flow and environment on measured data can be avoided.
The first sampling port 21 and the second sampling port 22 are communicated to the left side surface of the measuring block 1, and the left side surface of the measuring block 1 is provided with a differential pressure parameter measuring chamber 3 corresponding to the through positions of the first sampling port 21 and the second sampling port 22; a pressure parameter measuring chamber 7 is communicated with a through passage of the first sampling port 21 and the differential pressure parameter measuring chamber 3, and the pressure parameter measuring chamber 7 is communicated to the outside of the measuring block 1; by adopting the technical scheme: a pressure parameter measuring chamber 7 is communicated with a through passage between the first sampling port 21 and the differential pressure parameter measuring chamber 3, and the pressure of passing gas can be directly measured after a gas pressure sensor is connected inside the pressure parameter measuring chamber 7, so that the measurement of gas pressure parameters is realized; the two sets of data obtained by using the first sampling port 21 and the second sampling port 22 together can measure the differential pressure parameter of the gas.
The third sampling port 23 is communicated to the top of the measuring block 1 from bottom to top, and the top of the measuring block 1 is provided with an air suction port 5 corresponding to the through position of the third sampling port 23; two concentration parameter measuring chambers 6 are communicated with a through passage of the third sampling port 23 and the air exhaust port 5, and the concentration parameter measuring chambers 6 are communicated to the outside of the measuring block 1 rightwards; by adopting the technical scheme: after the air pumping port 5 is connected with air pumping equipment, gas can be pumped into the measuring block 1 from the third sampling port 23 and then pumped out from the air pumping port 5, a through passage between the third sampling port 23 and the air pumping port 5 is communicated with a concentration parameter measuring chamber 6, and after the concentration parameter measuring chamber 6 is connected with a concentration sensor, the concentration of the passing gas can be directly measured, so that the measurement of the concentration parameter of the gas is realized;
further, the first sampling port 21, the second sampling port 22, the third sampling port 23, and the exhaust port 24 are not connected to each other in the through passage inside the measurement block 1. By adopting the technical scheme: the pressure difference, the pressure measurement sampling port and the gas concentration measurement sampling port are isolated from each other, so that the mutual influence is avoided, and a plurality of parameters can be measured simultaneously.
In specific implementation, a gas sampling port 2 below a measuring block 1 is butted with a mine port; when gas pressure measurement is carried out, the two differential pressure parameter measuring chambers 3 on the left side of the measuring block are connected, gas is led in from the first sampling port 21 and then led back to a mine from the second sampling port 22, in the process, the pressure of the gas can be directly transmitted to the inside of the pressure parameter measuring chamber 7 on a communication passage of the first sampling port 21 and the differential pressure parameter measuring chamber 3, and a pressure sensor in the pressure parameter measuring chamber 7 can directly measure the pressure data of the gas; when gas pressure difference measurement is carried out, the two pressure difference parameter measuring chambers 3 are respectively connected with pressure sensors, and accurate pressure difference data of the internal air pressure and the external air pressure of a mine can be calculated according to sensing values of the two pressure sensors; when gas concentration is measured, the extraction opening 5 is connected with an air extraction device, the air extraction device extracts gas in the mine from the third sampling opening 23 to the inside of the measuring block 1, the gas is guided out of the extraction opening 5 to the air inlet 4 and then guided to the air outlet 24 through the air inlet 4 and finally discharged back to the mine, and when the gas passes through the inside of the measuring block 1, the concentration sensor in the concentration parameter measuring chamber 6 can directly measure the concentration of the passing gas, so that a gas concentration parameter is obtained; the parameter measurement process is completed in the measurement block 1, is not influenced by underground wind current and environment, has high parameter measurement precision, and can simultaneously measure pressure, differential pressure and concentration parameters.
In summary, the utility model provides a gas chamber structure, which adopts an integrated structure, an environmental gas sample is introduced into a sealed measuring chamber, after a gas sensor is installed in the sealed measuring chamber, parameters such as gas concentration, pressure, temperature and humidity can be rapidly and accurately measured, and different gas sensors in the measuring chamber can be replaced to measure different gas concentrations and gas parameters, so that the use is convenient; the popularization and the application have good economic benefit and social benefit. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A gas cell structure comprising a measuring block (1), characterized in that: the bottom of the measuring block (1) is provided with a gas sampling port (2), and the gas sampling port (2) comprises a first sampling port (21), a second sampling port (22), a third sampling port (23) and an exhaust port (24);
the first sampling port (21) and the second sampling port (22) are communicated to the left side surface of the measuring block (1), and differential pressure parameter measuring chambers (3) are arranged on the left side surface of the measuring block (1) corresponding to the through positions of the first sampling port (21) and the second sampling port (22); a pressure parameter measuring chamber (7) is communicated with a through passage of the first sampling port (21) and the pressure difference parameter measuring chamber (3);
the third sampling port (23) is communicated to the top of the measuring block (1) from bottom to top, and an air suction port (5) is formed in the position, corresponding to the through position of the third sampling port (23), of the top of the measuring block (1); two concentration parameter measuring chambers (6) are communicated with a through passage of the third sampling port (23) and the air pumping port (5);
the left surface that gas vent (24) lead to measuring block (1), the left surface of measuring block (1) corresponds the through position of gas vent (24) and is equipped with air inlet (4).
2. A plenum structure as claimed in claim 1, wherein: the first sampling port (21), the second sampling port (22), the third sampling port (23) and the exhaust port (24) are not connected with each other in a through passage in the measuring block (1).
3. A plenum structure as claimed in claim 1, wherein: the pressure parameter measuring chamber (7) opens upwards to the outside of the measuring block (1).
4. A plenum structure as claimed in claim 1, wherein: both concentration parameter measuring chambers (6) are communicated to the right to the outside of the measuring block (1).
5. A gas cell structure according to claim 1, wherein: the concentration parameter measuring chamber (6) and the pressure parameter measuring chamber (7) are both sealed installation positions of the gas sensor on the multi-parameter measuring instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123169466.9U CN216594393U (en) | 2021-12-16 | 2021-12-16 | Air chamber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123169466.9U CN216594393U (en) | 2021-12-16 | 2021-12-16 | Air chamber structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216594393U true CN216594393U (en) | 2022-05-24 |
Family
ID=81613374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123169466.9U Active CN216594393U (en) | 2021-12-16 | 2021-12-16 | Air chamber structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216594393U (en) |
-
2021
- 2021-12-16 CN CN202123169466.9U patent/CN216594393U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206546315U (en) | A kind of hyposmosis tight sand permeability experimental provision | |
| CN216594393U (en) | Air chamber structure | |
| CN105823749A (en) | Capacitor type infrared gas sensor based on MEMS and preparing method of capacitor type infrared gas sensor | |
| CN210742049U (en) | Ammonia process desulfurization slurry density on-line testing device | |
| CN208847460U (en) | Engine cylinder cover tappet hole air-gauge | |
| CN215910066U (en) | Analysis device for distinguishing natural gas from biogas | |
| CN106017828A (en) | Airtight type air tightness detection apparatus | |
| CN110082491A (en) | A kind of online water quality detecting device of All-in-One | |
| CN206549670U (en) | A kind of vacuum self-sucking medical experiment Special test tube housing | |
| CN211697720U (en) | Four-in-one gas detector with high stability | |
| CN211652760U (en) | Novel gas analysis data analysis device | |
| CN210343670U (en) | Automatic air tightness detection device of water pump | |
| CN207705349U (en) | A kind of device for detecting graphite bi-polar plate tightness | |
| CN109520887B (en) | Automatic double-channel coal seam gas desorption speed measuring device and measuring method | |
| CN205140180U (en) | Gas examination cover is divided to diffusion formula combustible gas calibrating installation sealed | |
| CN204832091U (en) | Correcting unit is shown to dissolved oxygen for water quality monitoring | |
| CN216718215U (en) | Be applied to calibrating device of diffusion formula formaldehyde gas detector | |
| CN206787617U (en) | A kind of intelligent integrated determining instrument of indoor air quality | |
| CN212341166U (en) | Adjustable multichannel catalytic combustion formula methane determination ware calibrating installation | |
| CN206311154U (en) | A kind of electronic type gas mass flow gauge | |
| CN216747658U (en) | Calibrating device of residual oxygen analyzer | |
| CN216718191U (en) | Be applied to calibrating device of photoelectricity method formaldehyde gas detector | |
| CN209878012U (en) | Smoke dust tester | |
| CN205449211U (en) | Biogas engineering gas production test system | |
| CN206002367U (en) | A kind of down-hole coal sample processing meanss of indirect determination coal seam gas-bearing capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |