CN217155989U - Diffusion type gas sampling device - Google Patents
Diffusion type gas sampling device Download PDFInfo
- Publication number
- CN217155989U CN217155989U CN202220358129.XU CN202220358129U CN217155989U CN 217155989 U CN217155989 U CN 217155989U CN 202220358129 U CN202220358129 U CN 202220358129U CN 217155989 U CN217155989 U CN 217155989U
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- China
- Prior art keywords
- sampling
- cartridge
- temperature sensor
- sampling device
- gas sampling
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- 238000005070 sampling Methods 0.000 title claims abstract description 66
- 238000009792 diffusion process Methods 0.000 title claims abstract description 22
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a gaseous sampling device of diffusion formula, including cartridge, backup pad and fastening hoop, the cartridge is installed through fastening hoop and set screw in one side of backup pad, there is temperature sensor and temperature sensor's lower extreme through the mounting screw in one side of cartridge and there is the manometer through the mounting screw, top one side of cartridge is provided with the extraction opening. This novel gaseous sampling device of diffusion formula is convenient for carry out quick collection to the diffusion formula is gaseous, and is efficient, and the practicality is strong, can filter large granule thing, influences the testing effect, is fit for extensively using widely.
Description
Technical Field
The utility model relates to a gaseous detection technology field, in particular to gaseous sampling device of diffusion formula.
Background
The process of collecting pollutant sample or polluted air sample in atmosphere includes two kinds: one is to make a large amount of air pass through a liquid absorbent or a solid adsorbent to enrich pollutants with low concentration in the atmosphere, such as an air pumping method and a filter membrane method, and the other is to collect the air containing pollutants by using a container (a glass bottle, a plastic bag and the like).
The conventional diffusion type gas sampling device has the following disadvantages: 1. the diffusion type gas sampling device is inconvenient for rapidly collecting diffusion type gas, low in efficiency and poor in practicability; 2. large particles cannot be filtered, and the detection effect is influenced. To this end, we propose a diffusion gas sampling device.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a diffusion gas sampling device, which can effectively solve the problems of the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a gaseous sampling device of diffusion formula, includes cartridge, backup pad and fastening hoop, the cartridge is installed through fastening hoop and set screw in one side of backup pad, there is temperature sensor and temperature sensor's lower extreme through the mounting screw in one side of cartridge and has the manometer through the mounting screw, top one side of cartridge is provided with the extraction opening.
Furthermore, the bottom of the sampling cylinder is connected with a sampling pipe through a screw, the bottom in the sampling pipe is connected with a filter screen through a screw, and a second control valve body is arranged on the sampling pipe.
Furthermore, the detection ends of the pressure gauge and the temperature sensor are both positioned in the sampling cylinder; the pressure value in the sampling cylinder is convenient to detect through the pressure gauge until the vacuum state.
Furthermore, a first control valve body is arranged on the air exhaust port, and the air exhaust end of the air exhaust port is connected with an air exhaust pipe.
Furthermore, one side welding of backup pad has the grip ring, the sampling barrel is made for the TPU material.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model relates to a gaseous sampling device of diffusion formula utilizes the suction opening of exhaust tube connection vacuum pump, to quick evacuation in the cartridge to be convenient for detect the pressure numerical value in the cartridge through the manometer, until vacuum state.
2. The utility model relates to a gaseous sampling device of diffusion formula closes the first control valve body on the extraction opening and open second control valve body and utilize the sampling pipe to carry out gaseous sampling, utilizes the negative pressure to impress gas in the sampling section of thick bamboo, finally closes second control valve body, and this sampling device utilizes the negative pressure sampling, is convenient for carry out quick collection to the diffusion formula gas, and is efficient, and the practicality is strong.
3. The utility model relates to a gaseous sampling device of diffusion formula utilizes temperature sensor to be convenient for detect the gaseous temperature of sampling, makes things convenient for personnel to know, utilizes the filter screen of the intraductal bottom of sampling to be convenient for filter gas, gets rid of great particulate matter, avoids influencing gaseous detection.
Drawings
Fig. 1 is the overall structure schematic diagram of the diffusion type gas sampling device of the present invention.
Fig. 2 is the utility model relates to a filter screen structure schematic diagram of diffusion formula gas sampling device.
In the figure: 1. a holding ring; 2. a support plate; 3. a set screw; 4. a sampling cartridge; 5. a fastening hoop; 6. an air exhaust pipe; 7. a first control valve body; 8. an air extraction opening; 9. a pressure gauge; 10. a second control valve body; 11. a sampling tube; 12. a temperature sensor; 13. and (4) a filter screen.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-2, a diffusion type gas sampling device comprises a sampling cylinder 4, a supporting plate 2 and a fastening hoop 5, wherein the sampling cylinder 4 is installed on one side of the supporting plate 2 through the fastening hoop 5 and a positioning screw 3, a temperature sensor 12 is installed on one side of the sampling cylinder 4 through a screw, a pressure gauge 9 is installed at the lower end of the temperature sensor 12 through a screw, and an air suction opening 8 is formed in one side of the top end of the sampling cylinder 4.
Wherein, there is sampling pipe 11 and sampling pipe 11 bottom in through bolted connection filter screen 13 in the bottom of sampling cartridge 4 through bolted connection, be provided with second control valve body 10 on the sampling pipe 11.
In this embodiment, as shown in fig. 2, the gas is conveniently filtered by using the filter screen 13 at the bottom end in the sampling tube 11, so as to remove larger particles and avoid affecting the detection of the gas.
Wherein, the detection ends of the pressure gauge 9 and the temperature sensor 12 are both positioned in the sampling cylinder 4.
The air pumping port 8 is provided with a first control valve body 7, and the air pumping end of the air pumping port 8 is connected with the air pumping pipe 6.
In this embodiment, as shown in fig. 1, the suction tube 6 is connected to a suction port of a vacuum pump to rapidly evacuate the sampling cylinder 4.
Wherein, one side welding of backup pad 2 has grip ring 1, sampling cylinder 4 is made for the TPU material.
In the embodiment, as shown in fig. 1, the sampling cylinder 4 is made of TPU material, has high elasticity and good buffering effect, and is prevented from being damaged under the action of pressure.
It should be noted that the utility model is a diffusion gas sampling device, when in use, the air exhaust pipe 6 is connected with the suction port of the vacuum pump, the interior of the sampling cylinder 4 is quickly vacuumized, a pressure gauge 9 is used for conveniently detecting the pressure value in the sampling cylinder 4 until the vacuum state is reached, the first control valve body 7 on the air pumping hole 8 is closed, the second control valve body 10 is opened, gas sampling is carried out by using the sampling pipe 11, gas is pressed into the sampling cylinder 4 by using negative pressure, and finally the second control valve body 10 is closed, this sampling device utilizes the negative pressure sampling, is convenient for collect diffusion formula gas fast, and is efficient, and the practicality is strong, utilizes temperature sensor 12 to be convenient for detect the gaseous temperature of sampling, makes things convenient for personnel to know, utilizes filter screen 13 of bottom in the sampling pipe 11 to be convenient for filter gas, gets rid of great particulate matter, avoids influencing gaseous detection.
Claims (5)
1. A diffusion gas sampling device, includes cartridge (4), backup pad (2) and fastening hoop (5), its characterized in that: one side of backup pad (2) is installed cartridge (4) through fastening hoop (5) and set screw (3), manometer (9) are installed through the screw to the lower extreme that has temperature sensor (12) and temperature sensor (12) through the mounting screw in one side of cartridge (4), top one side of cartridge (4) is provided with extraction opening (8).
2. A diffusive gas sampling assembly as claimed in claim 1, wherein: the bottom of sampling cylinder (4) has sampling pipe (11) and sampling pipe (11) interior bottom through screw connection filter screen (13) through the screw connection, be provided with second control valve body (10) on sampling pipe (11).
3. A diffusive gas sampling assembly as claimed in claim 1, wherein: the detection ends of the pressure gauge (9) and the temperature sensor (12) are both positioned in the sampling cylinder (4).
4. A diffusive gas sampling assembly as claimed in claim 1, wherein: the air pumping device is characterized in that a first control valve body (7) is arranged on the air pumping port (8), and the air pumping end of the air pumping port (8) is connected with an air pumping pipe (6).
5. A diffusive gas sampling assembly as claimed in claim 1, wherein: one side welding of backup pad (2) has and holds ring (1), sampling cylinder (4) are made for the TPU material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220358129.XU CN217155989U (en) | 2022-02-22 | 2022-02-22 | Diffusion type gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220358129.XU CN217155989U (en) | 2022-02-22 | 2022-02-22 | Diffusion type gas sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217155989U true CN217155989U (en) | 2022-08-09 |
Family
ID=82689773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220358129.XU Active CN217155989U (en) | 2022-02-22 | 2022-02-22 | Diffusion type gas sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217155989U (en) |
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2022
- 2022-02-22 CN CN202220358129.XU patent/CN217155989U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 519000, Room 404 and 405, 4th Floor, Building 15, Hucheng Dajing, No. 17 Wenheng Street, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province Patentee after: Zhuhai dingzheng Guoxin Technology Co.,Ltd. Country or region after: China Address before: 519000 Room 308, floor 3, plant 1, No. 6698, Zhuhai Avenue, Hongqi Town, Jinwan District, Zhuhai City, Guangdong Province Patentee before: Zhuhai dingzheng Guoxin Technology Co.,Ltd. Country or region before: China |