CN219758076U - Greenhouse gas infrared analyzer - Google Patents
Greenhouse gas infrared analyzer Download PDFInfo
- Publication number
- CN219758076U CN219758076U CN202320773615.2U CN202320773615U CN219758076U CN 219758076 U CN219758076 U CN 219758076U CN 202320773615 U CN202320773615 U CN 202320773615U CN 219758076 U CN219758076 U CN 219758076U
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- China
- Prior art keywords
- electromagnetic valve
- sample gas
- pipeline
- air inlet
- power supply
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- 239000005431 greenhouse gas Substances 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 52
- 238000001914 filtration Methods 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model relates to the technical field of gas analyzers, in particular to a greenhouse gas infrared analyzer. The device comprises a shell and a switching power supply, wherein a touch screen and a flowmeter are arranged on a front panel of the shell; the rear panel is provided with an air inlet, a sample gas inlet and a sample gas outlet; the sample gas inlet is connected with the first disc filter through a sample gas pipeline, and the air inlet is connected with the second disc filter through an air pipeline; the device comprises a two-position three-way electromagnetic valve which is respectively connected with a sample gas pipeline, an air pipeline and an infrared sensor; the air inlet is connected with the air inlet, and the air inlet is connected with the air inlet. According to the utility model, the base plate is designed, and the control main board is arranged on the base plate through the studs, so that the contact area is reduced, and the influence of instrument vibration on the electrical connection of the control main board is avoided; thereby preventing the monitoring result from being affected by vibration.
Description
Technical Field
The utility model relates to the technical field of gas analyzers, in particular to a greenhouse gas infrared analyzer.
Background
The utility model relates to a greenhouse gas infrared gas analyzer, which is an analysis instrument independently developed for online gas analysis of environmental protection and carbon emission control at home and abroad. The method can completely meet the greenhouse gas monitoring of fixed source discharge ports in typical industries (thermal power, steel, petroleum and natural gas exploitation, coal exploitation, waste treatment and the like).
The current infrared gas analyzer is easy to vibrate during monitoring, and meanwhile, due to the influence of the working environment temperature, cross interference can be generated on the measurement of the multi-component gas, so that the monitoring result is inaccurate; the existing instrument is only provided with a heat radiation opening, so that insufficient heat radiation is easily caused, and impurities and dust are easily deposited in the instrument to influence the work of the instrument. The air inlet pipeline filter effect is not obvious, and the dust deposition on the pipe wall is easy to be caused for a long time.
Disclosure of Invention
Aiming at the technical problems, the utility model provides a greenhouse gas infrared analyzer,
the infrared analyzer for greenhouse gas includes one casing with front panel, one touch screen and one flowmeter;
the rear panel is provided with an air inlet, a sample gas inlet and a sample gas outlet; the sample gas inlet is connected with the first disc filter through a sample gas pipeline, and the air inlet is connected with the second disc filter through an air pipeline;
the device comprises a two-position three-way electromagnetic valve which is respectively connected with a sample gas pipeline, an air pipeline and an infrared sensor;
the air inlet is connected with the air inlet, and the air inlet is connected with the air inlet;
the touch screen is electrically connected with the switching power supply;
the infrared sensor is electrically connected with the filtering power supply, the control main board and the switching power supply;
the control main board is electrically connected with the touch screen.
The two-position three-way electromagnetic valve is arranged on the backing plate through an electromagnetic valve bracket, and the miniature diaphragm pump is arranged between the electromagnetic valve bracket and the backing plate; the control main board is arranged on the backing plate through a plurality of studs;
the rear panel is provided with a fan.
The shell is provided with a heat radiation grille.
Further, the two-position three-way electromagnetic valve is respectively connected with the sample gas pipeline, the air pipeline and the infrared sensor through a right-angle elbow.
Further, a metal protective net cover is arranged on the outer side of the fan.
Further, the heat dissipation holes are provided with filter cotton sheets.
Further, the first disc filter is a disc filter with the precision of 0.2 μm; the second disc filter was a disc filter having a filtration accuracy of 0.45. Mu.m.
Further, the pipeline is a PU air pipe.
Further, a clamp is arranged at the pipeline joint.
The beneficial effects are that:
1. according to the utility model, the base plate is designed, and the control main board is arranged on the base plate through the studs, so that the contact area is reduced, and the influence of instrument vibration on the electrical connection of the control main board is avoided; the two-position three-way electromagnetic valve is fixed on the electromagnetic valve bracket, and the electromagnetic valve bracket is arranged on the backing plate through screws, so that the monitoring result is prevented from being influenced by vibration.
2. The fan and the shell are both provided with the heat radiation grids, so that the temperature inside the instrument is reduced, and the influence on the normal operation of other components due to overhigh temperature is avoided. The heat radiation grille is provided with the filter cotton sheets to prevent impurity particles from entering the instrument through the heat radiation holes to cause pollution and influence the operation of the instrument. The outside of the fan is provided with the metal protective net cover, so that the normal operation of the fan can be prevented from being influenced by external factors, and the damage caused by careless touching of the fan by personnel can be avoided.
3. The utility model adopts the PU material air pipe, the inner wall is smooth, and the resistance of flowing gas can be reduced; the sample gas can be restored to be original state and not deformed after being stressed, the adsorption of the gas pipe wall is reduced, and the quality of the sample gas is improved. The two-stage disc filter is arranged, and the filtering effect is good.
4. The stainless steel clamp is arranged at the joint of the air pipe, so that the gas leakage at the joint can be effectively prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the rear structure of the present utility model;
in the figure: a housing 1; a first disc filter 2; a second disc filter 3; a fan 4; a two-position three-way electromagnetic valve 5; a right-angle elbow 6; a solenoid valve holder 7; a micro diaphragm pump 8; a clamp 9; a heat radiation grille 10; a flow meter 11; a touch screen 12; a filter cotton sheet 13; a switching power supply 14; an infrared sensor 15; a backing plate 16; a filtering power supply 17; a control main board 18; a metal guard net cover 19; an air inlet 20; a sample gas outlet 21; a sample gas inlet 22.
Detailed Description
The technical means, the inventive features, the achievement of the purpose and the effect achieved by the present utility model are easily understood, and the present utility model is further described below with reference to the accompanying drawings.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. The description and examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The true scope and spirit of the utility model is indicated by the following claims.
As shown in fig. 1-2, a greenhouse gas infrared analyzer includes a housing 1 and a switching power supply 14; the shell 1 is made of carbon steel plastic spraying material and has the characteristics of corrosion resistance and high temperature resistance.
The front panel of the shell is provided with a touch screen 12 and a flowmeter 11; the flowmeter 11 is used for displaying the flow of the introduced air and the sample gas; the stainless steel clamp is arranged at the joint of the flowmeter and the air pipe to prevent air leakage.
The rear panel is provided with an air inlet 20, a sample gas inlet 22 and a sample gas outlet 21; the sample gas inlet 22 is connected with the first disc filter 2 through a sample gas pipeline, and the air inlet 20 is connected with the second disc filter 3 through an air pipeline;
the device comprises a two-position three-way electromagnetic valve 5, wherein the two-position three-way electromagnetic valve 5 is respectively connected with a sample gas pipeline, an air pipeline and an infrared sensor 15;
the device also comprises a micro diaphragm pump 8, and under the action of the micro diaphragm pump 8, gas is pumped into the two-position three-way electromagnetic valve 5 through the air inlet 20;
the touch screen 12 is electrically connected with the switching power supply 14; the control main board 18 is electrically connected with the touch screen 12; the infrared sensor 15 is electrically connected with the filter power supply 17, the control main board 18 and the switching power supply 14 in sequence; the filter power supply 17 is electrically connected with the switching power supply 14; the two-position three-way electromagnetic valve 5 is electrically connected with the micro diaphragm pump 8 and the control main board 18 in sequence; the filtering power supply 17 can effectively filter out frequency points with specific frequencies or frequencies outside the frequency points, resist electric signal interference and provide a stable power supply for the whole instrument.
The two-position three-way electromagnetic valve 5 is fixed on the electromagnetic valve bracket 7, the electromagnetic valve bracket 7 is arranged on the backing plate 16 through a screw of M4, and the micro diaphragm pump 8 is arranged between the electromagnetic valve bracket 7 and the backing plate 16; the mounting area can be reduced. The backing plate is used for installing the control mainboard through a plurality of 2 mm's double-screw bolts, reduces area of contact, avoids instrument vibration to influence the electric connection of control mainboard.
The rear panel is provided with a filtering power supply and a fan 4; through holes are formed in four corners around the fan, the screws penetrate through four corner holes of the metal protection net cover 19 to be fixed on the outer side of the rear panel, and the screws penetrate through the metal protection net cover to be screwed and fixed in four corner threaded holes of the ventilating fan, so that the normal operation of the fan is prevented from being influenced by external factors, and damage caused by careless touching of the fan by personnel is avoided.
The fan and the shell are provided with the heat radiation grille 10, which is helpful for reducing the temperature inside the instrument and avoiding influencing the normal operation of other components due to overhigh temperature.
The two-position three-way electromagnetic valve 5 is respectively connected with a sample gas pipeline, an air pipeline and an infrared sensor 15 through a right-angle elbow 6.
The heat radiation grille 10 is provided with a filter cotton sheet 13. The cotton piece of filtration can prevent impurity particulate matter from getting into inside the instrument through the louvre and causing pollution to influence instrument work.
The pipeline is a PU air pipe; the inner wall of the PU air pipe is smooth, so that the resistance of flowing gas can be reduced; the sample gas can be restored to be original state and not deformed after being stressed, the adsorption of the gas pipe wall is reduced, and the quality of the sample gas is improved.
The sample gas inlet pipeline is provided with a first disc filter with the filtering precision of 0.2 mu m, so that particulate impurities with the filtering precision of more than 0.2 mu m can be effectively filtered; the air inlet pipeline is designed with a second disc filter with the filtering precision of 0.45 mu m; the stainless steel clamp is designed at the interface of the first disc filter, the second disc filter and the PU air pipe to prevent the gas leakage at the interface.
The working process comprises the following steps: under the action of the micro diaphragm pump 8, gas is pumped into the two-position three-way electromagnetic valve 5 through the air inlet/sample gas inlet, the two-position three-way electromagnetic valve 5 is provided with a right-angle elbow 6 with 3 gas connecting pipes, one path is connected with a sample gas pipeline, the other path is connected with an air pipeline, and the other path is led to the infrared sensor 15. The gas component introduced into the infrared sensor 15 is controlled by the two-position three-way electromagnetic valve 5. The detected gas is discharged from the infrared sensor through a sample gas outlet. The infrared sensor 15 adopts a non-dispersive infrared detection method, provides stable infrared light, and has high measurement accuracy and good stability. The control main board 18 is electrically connected with the touch screen 12, and the touch screen 12 is electrically connected with the switching power supply 14. The touch screen 12 receives the concentration value processed by the control motherboard 18 and displays the concentration of the measured sample gas.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (7)
1. An infrared analyzer for greenhouse gases, which comprises a shell (1) and a switching power supply (14), and is characterized in that,
the front panel of the shell is provided with a touch screen (12) and a flowmeter (11);
the rear panel is provided with an air inlet (20), a sample gas inlet (22) and a sample gas outlet (21); the sample gas inlet (22) is connected with the first disc filter (2) through a sample gas pipeline, and the air inlet (20) is connected with the second disc filter (3) through an air pipeline;
comprises a two-position three-way electromagnetic valve (5), wherein the two-position three-way electromagnetic valve (5) is respectively connected with a sample gas pipeline, an air pipeline and an infrared sensor (15);
the device also comprises a micro diaphragm pump (8), and under the action of the micro diaphragm pump (8), gas is pumped into the two-position three-way electromagnetic valve (5) through the air inlet (20);
the two-position three-way electromagnetic valve (5) is arranged on the base plate (16) through the electromagnetic valve bracket (7), and the micro diaphragm pump (8) is arranged between the electromagnetic valve bracket (7) and the base plate (16); the control main board is arranged on the backing plate through a plurality of studs;
the rear panel is provided with a fan (4);
the fan and the shell are provided with a heat radiation grille (10);
the touch screen (12) is electrically connected with the switching power supply (14); the control main board (18) is electrically connected with the touch screen (12); the infrared sensor (15) is electrically connected with the filter power supply (17), the control main board (18) and the switch power supply (14) in sequence; the filter power supply (17) is electrically connected with the switch power supply (14); the two-position three-way electromagnetic valve (5) is electrically connected with the miniature diaphragm pump (8) and the control main board (18) in turn.
2. The greenhouse gas infrared analyzer according to claim 1, characterized in that the two-position three-way electromagnetic valve (5) is connected with the sample gas pipeline, the air pipeline and the infrared sensor (15) through a right-angle elbow (6) respectively.
3. The greenhouse gas infrared analyzer as claimed in claim 1, wherein a metal guard (19) is provided outside the fan.
4. A greenhouse gas infrared analyzer according to claim 1, characterized in that the heat radiation grille (10) is provided with a filter cotton sheet (13).
5. The greenhouse gas infrared analyzer of claim 1, wherein the first disc filter is a disc filter with an accuracy of 0.2 μm; the second disc filter was a disc filter having a filtration accuracy of 0.45. Mu.m.
6. The infrared analyzer of any of claims 1-5, wherein the tubing is PU tubing.
7. The infrared analyzer for greenhouse gases according to claim 6, wherein a clamp (9) is provided at the pipe connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320773615.2U CN219758076U (en) | 2023-04-10 | 2023-04-10 | Greenhouse gas infrared analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320773615.2U CN219758076U (en) | 2023-04-10 | 2023-04-10 | Greenhouse gas infrared analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219758076U true CN219758076U (en) | 2023-09-26 |
Family
ID=88080981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320773615.2U Active CN219758076U (en) | 2023-04-10 | 2023-04-10 | Greenhouse gas infrared analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219758076U (en) |
-
2023
- 2023-04-10 CN CN202320773615.2U patent/CN219758076U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |