CN220473117U - Equipment for gas sampling analysis - Google Patents
Equipment for gas sampling analysis Download PDFInfo
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- CN220473117U CN220473117U CN202320753747.9U CN202320753747U CN220473117U CN 220473117 U CN220473117 U CN 220473117U CN 202320753747 U CN202320753747 U CN 202320753747U CN 220473117 U CN220473117 U CN 220473117U
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- Prior art keywords
- collecting box
- control unit
- gas
- gas sampling
- sampling analysis
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- 238000004458 analytical method Methods 0.000 title claims abstract description 32
- 238000005070 sampling Methods 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 5
- 238000004868 gas analysis Methods 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses equipment for gas sampling analysis, which relates to the technical field of gas analysis and has the technical key points that: the air inlet pipe and the air outlet pipe are respectively communicated with two sides of the collecting box, an electromagnetic control valve is arranged on the air inlet pipe, an efficient air extractor is arranged on the air outlet pipe, the wall of the collecting box is hollow and is filled with an insulating layer, a temperature sensor is fixedly arranged in the collecting box, the temperature sensor is connected with a display screen through a control unit, a heating sheet and a refrigerating sheet are fixedly arranged on the inner walls of the two sides of the collecting box, the heating sheet and the refrigerating sheet are electrically connected with the control unit, and the control unit and the display screen are fixedly arranged on the outer wall of the collecting box; the utility model can restore the gas temperature to the original temperature, reduce the influence of the air temperature change on the gas analysis and improve the analysis accuracy.
Description
Technical Field
The utility model relates to the technical field of gas analysis, in particular to equipment for gas sampling analysis.
Background
Gas sampling is a process of collecting a sample of pollutants in the atmosphere or a sample of polluted air, and the collection method has two types: one is to make a large amount of air pass through a liquid absorbent or a solid absorbent to enrich pollutants with lower concentration in the atmosphere, such as an air extraction method and a filter membrane method, and the other is to collect the air containing pollutants by a container, wherein the average concentration of the pollutants in the atmosphere is measured in the sampling time; the latter is measured as the instantaneous concentration or as the average concentration over a short period of time, the manner of sampling being dependent on the purpose of the sampling and the situation in the field.
In the conventional gas sampling analysis work, air is usually required to be sucked into the sampling container by using a sampler, but the heat insulation performance of the sampling container is generally poor, so that when the gas with high or low temperature is collected, the sampled gas is easy to be in a normal temperature state in the container, and further, the subsequent analysis result is seriously influenced.
Therefore, how to reduce the influence of temperature changes on gas analysis is a technical problem that the skilled person needs to solve.
Disclosure of Invention
The utility model aims to provide equipment for gas sampling analysis, which reduces the influence of temperature change on gas analysis and improves analysis accuracy.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a device for gas sampling analysis, includes the collecting box, the collecting box both sides communicate respectively has intake pipe and outlet duct, be equipped with electromagnetic control valve in the intake pipe, be equipped with high-efficient air exhauster on the outlet duct, the wall cavity and the packing of collecting box have the heat preservation, the collecting box internal fixation is equipped with temperature sensor, temperature sensor is connected with the display screen through control unit, the fixed heating plate and the refrigeration piece that are equipped with of collecting box both sides inner wall, heating plate and refrigeration piece all with control unit electric connection, control unit and display screen are fixed to be established at the collecting box outer wall.
By adopting the scheme, when a gas sample needs to be collected, the electromagnetic control valve and the high-efficiency air extractor are opened, the high-efficiency air extractor discharges air in the collecting box to generate negative pressure, external air is introduced from the air inlet pipe, and after the high-efficiency air extractor operates for a period of time, the control valve and the high-efficiency air extractor are closed to finish gas sampling; in the sampling process, a temperature sensor detects the temperature of the collected gas, and when the detected temperature is stable, the original temperature is recorded; after sampling is finished, the collecting box is moved to the gas analysis equipment, the existing temperature of the gas in the collecting box is observed, the existing temperature is compared with the original temperature, whether heating or refrigerating is carried out is judged, then the original temperature is set through the control unit, the corresponding part (the refrigerating sheet or the heating sheet) is started manually, when the temperature sensor detects that the temperature reaches the original temperature, the corresponding part (the refrigerating sheet or the heating sheet) is stopped working, and then the gas can be discharged for analysis by the analysis equipment; when the gas is required to be taken out, the high-efficiency air extractor is started, part of the gas in the collecting box is discharged into the analysis equipment, after the gas discharge is completed, the connection between the air outlet pipe and the analysis equipment is disconnected, and then the electromagnetic control valve is opened to balance the internal and external air pressure of the collecting box.
Preferably, the collecting box is fixedly provided with an elastic clamping plate used for clamping paper on one side of the display screen.
Preferably, the outer wall of the collecting box is fixedly provided with an elastic clamping jaw for clamping the recording pen.
Preferably, a waterproof bag for placing paper is fixedly arranged on one side of the collecting box.
Preferably, one side of the collecting box is hinged with a lifting handle.
Preferably, an alarm is fixedly arranged on the outer wall of the collecting box, and the alarm is electrically connected with the control unit.
Preferably, the control unit is configured as an editable single-chip microcomputer.
The utility model has the following beneficial effects:
when a gas sample needs to be collected, an electromagnetic control valve and a high-efficiency air extractor are opened, the high-efficiency air extractor discharges air in the collecting box, negative pressure is generated, external air is introduced from an air inlet pipe, and after the high-efficiency air extractor operates for a period of time, the control valve and the high-efficiency air extractor are closed, so that gas sampling can be completed; in the sampling process, a temperature sensor detects the temperature of the collected gas, and when the detected temperature is stable, the original temperature is recorded; after sampling is finished, the collecting box is moved to the gas analysis equipment, the existing temperature of the gas in the collecting box is observed, the existing temperature is compared with the original temperature, whether heating or refrigerating is carried out is judged, then the original temperature is set through the control unit, the corresponding part (the refrigerating sheet or the heating sheet) is started manually, when the temperature sensor detects that the temperature reaches the original temperature, the corresponding part (the refrigerating sheet or the heating sheet) is stopped working, and then the gas can be discharged for analysis by the analysis equipment; when the gas is required to be taken out, the high-efficiency air extractor is started, part of the gas in the collecting box is discharged into the analysis equipment, after the gas discharge is completed, the connection between the air outlet pipe and the analysis equipment is disconnected, and then the electromagnetic control valve is opened to balance the internal and external air pressure of the collecting box.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a cross-sectional view of embodiment 1 of the present utility model.
Fig. 2 is a top view of embodiment 1 of the present utility model.
Fig. 3 is a top view of embodiment 2 of the present utility model.
En route: 1. a collection box; 101. an air inlet pipe; 102. an air outlet pipe; 2. an electromagnetic control valve; 3. an efficient air extractor; 4. a heat preservation layer; 5. a temperature sensor; 6. a control unit; 7. a display screen; 801. a heating sheet; 802. a cooling sheet; 901. an elastic clamping plate; 902. an elastic clamping jaw; 903. waterproof bags; 10. a lifting handle; 11. an alarm.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Example 1
The utility model provides a device for gas sampling analysis, as shown in fig. 1-2, including collecting box 1, collecting box 1 both sides communicate respectively has intake pipe 101 and outlet duct 102, be equipped with solenoid valve 2 on the intake pipe 101, be equipped with high-efficient air pump 3 on the outlet duct 102, the wall cavity of collecting box 1 just is filled with heat preservation 4, heat preservation 4 can keep warm, reduce the temperature change speed, collecting box 1 internal fixation is equipped with temperature sensor 5, temperature sensor 5 is connected with display screen 7 through control unit 6, collecting box 1 both sides inner wall is fixed to be equipped with heating plate 801 and refrigeration piece 802, heating plate 801 and refrigeration piece 802 all with control unit 6 electric connection, control unit 6 and display screen 7 are fixed to be established at collecting box 1 outer wall.
As shown in fig. 1-2, when a gas sample needs to be collected, the electromagnetic control valve 2 and the high-efficiency air extractor 3 are opened, the high-efficiency air extractor 3 discharges the air in the collecting box 1, negative pressure is generated, the external air is introduced from the air inlet pipe 101, and after the high-efficiency air extractor 3 operates for a period of time, the control valve and the high-efficiency air extractor 3 are closed, so that the gas sample can be completed; in the sampling process, the temperature sensor 5 detects the temperature of the collected gas, and when the detected temperature is stable, the original temperature is recorded; after the sampling is finished, the collecting box 1 is moved to a gas analysis device, the existing temperature of the gas in the collecting box 1 is observed, the existing temperature is compared with the original temperature, whether heating or cooling is carried out is judged, then the original temperature is set through the control unit 6, the corresponding component (the cooling plate 802 or the heating plate 801) is started manually, when the temperature sensor 5 detects that the temperature reaches the original temperature, the corresponding component (the cooling plate 802 or the heating plate 801) is stopped working, and then the gas can be discharged for analysis by the analysis device; when gas is required to be taken out, starting the high-efficiency air extractor 3, discharging part of the gas in the collecting box 1 into analysis equipment, disconnecting the air outlet pipe 102 from the analysis equipment after the gas is exhausted, and then opening the electromagnetic control valve 2 to balance the internal and external air pressure of the collecting box 1; the utility model can restore the gas temperature to the original temperature, reduce the influence of the air temperature change on the gas analysis and improve the analysis accuracy.
As shown in fig. 1-2, a lifting handle 10 is hinged to one side of the collecting box 1; the collecting box 1 is conveniently lifted by a single hand through the lifting handle 10, and the carrying is convenient.
As shown in fig. 1-2, an alarm 11 is fixedly arranged on the outer wall of the collecting box 1, and the alarm 11 is electrically connected with the control unit 6; when the cooling plate 802 or the heating plate 801 is started, the temperature sensor 5 detects that the existing temperature of the gas in the collecting box 1 reaches the original temperature, and the control unit 6 closes the cooling plate 802 or the heating plate 801 and simultaneously controls the alarm 11 to alarm so as to remind a user to timely discharge the gas into the analysis equipment.
As shown in fig. 1-2, the control unit 6 is set as an editable single-chip microcomputer; the singlechip is convenient to edit, the technology is mature, and the cost is low.
Example 2
As shown in fig. 3, the collecting box 1 is fixedly provided with an elastic clamping plate 901 for clamping paper on one side of the display screen 7; the elastic clamping plate 901 is used for clamping paper, and the paper is then used for recording former temperature, reduces the possibility that gas collection personnel forgotten.
As shown in fig. 3, an elastic clamping jaw 902 for clamping a recording pen is fixedly arranged on the outer wall of the collecting box 1; the elastic clamping jaw 902 is used for clamping a stylus, so that the stylus can be conveniently taken.
As shown in fig. 3, a waterproof bag 903 for placing paper is fixedly arranged on one side of the collecting box 1; the waterproof bag 903 is filled with paper or other small tools for recording, and the waterproof bag 903 is waterproof to prevent the paper from being wet.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present utility model to solve the substantially same technical problems and achieve the substantially same technical effects are all covered in the protection scope of the present utility model.
Claims (7)
1. An apparatus for gas sampling analysis, comprising a collection box (1), characterized in that: the utility model discloses a collection box, including collection box (1), air inlet pipe (101), air outlet duct (102), be equipped with electromagnetic control valve (2) on air inlet pipe (101), be equipped with high-efficient air exhauster (3) on air outlet duct (102), the wall cavity of collection box (1) just is filled and is had heat preservation (4), collection box (1) internal fixation is equipped with temperature sensor (5), temperature sensor (5) are connected with display screen (7) through control unit (6), collection box (1) both sides inner wall is fixed to be equipped with heating plate (801) and refrigeration piece (802), heating plate (801) and refrigeration piece (802) all with control unit (6) electric connection, control unit (6) and display screen (7) are fixed to be established at collection box (1) outer wall.
2. An apparatus for gas sampling analysis according to claim 1, wherein: the collecting box (1) is fixedly provided with an elastic clamping plate (901) used for clamping paper on one side of the display screen (7).
3. An apparatus for gas sampling analysis according to claim 2, wherein: an elastic clamping jaw (902) for clamping a recording pen is fixedly arranged on the outer wall of the collecting box (1).
4. A device for gas sampling analysis according to claim 3, wherein: a waterproof bag (903) for placing paper is fixedly arranged on one side of the collecting box (1).
5. An apparatus for gas sampling analysis according to claim 1, wherein: one side of the collecting box (1) is hinged with a lifting handle (10).
6. An apparatus for gas sampling analysis according to claim 1, wherein: the outer wall of the collecting box (1) is fixedly provided with an alarm (11), and the alarm (11) is electrically connected with the control unit (6).
7. An apparatus for gas sampling analysis according to claim 1, wherein: the control unit (6) is set as an editable singlechip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753747.9U CN220473117U (en) | 2023-04-07 | 2023-04-07 | Equipment for gas sampling analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753747.9U CN220473117U (en) | 2023-04-07 | 2023-04-07 | Equipment for gas sampling analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220473117U true CN220473117U (en) | 2024-02-09 |
Family
ID=89803776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320753747.9U Active CN220473117U (en) | 2023-04-07 | 2023-04-07 | Equipment for gas sampling analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220473117U (en) |
-
2023
- 2023-04-07 CN CN202320753747.9U patent/CN220473117U/en active Active
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