CN219641349U - Indoor air sampler - Google Patents
Indoor air sampler Download PDFInfo
- Publication number
- CN219641349U CN219641349U CN202320812018.6U CN202320812018U CN219641349U CN 219641349 U CN219641349 U CN 219641349U CN 202320812018 U CN202320812018 U CN 202320812018U CN 219641349 U CN219641349 U CN 219641349U
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- CN
- China
- Prior art keywords
- air
- fixedly connected
- sampling
- wall
- groups
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- 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.)
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- 238000005070 sampling Methods 0.000 claims abstract description 64
- 230000000740 bleeding effect Effects 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 238000010073 coating (rubber) Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 description 8
- 210000002489 tectorial membrane Anatomy 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006424 Flood reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
Classifications
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- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an indoor air sampler, which relates to the field of air samplers and comprises an air suction structure, a sampling structure and an air storage structure, wherein the air suction structure comprises a vacuum pump, an extension plate, universal wheels and a support frame, one side of the bottom of the vacuum pump is fixedly connected with the extension plate, the universal wheels are provided with four groups and are symmetrically arranged at the bottom ends of the vacuum pump and the extension plate.
Description
Technical Field
The utility model relates to the field of air samplers, in particular to an indoor air sampler.
Background
The indoor environment index is a problem to be considered, and a good indoor working environment is a very important part for office workers and users, and an air collection device for indoor environment detection is needed to collect indoor air.
The existing air sampling device is often focused on the detection of gas pollutants, and the sampling analysis of the solid particles is omitted, so that the solid particles are often the culprit of many respiratory diseases, and therefore, the solid particles also need to be sampled and collected when the air in a sampling room is analyzed.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide an indoor air sampler which is structurally improved compared with the existing air sampler.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an indoor air sampler, includes structure of bleeding, sampling structure and gas storage structure, the air inlet fixedly connected with sampling structure on structure top bleeds, and the gas outlet threaded connection on structure top bleeds has the gas storage structure.
As a further scheme of the utility model: the air extraction structure comprises a vacuum pump, an extension plate, universal wheels and a support frame, wherein one side of the bottom of the vacuum pump is fixedly connected with the extension plate, the bottom end of the extension plate is fixedly connected with the universal wheels, the universal wheels are provided with four groups of the universal wheels and symmetrically arranged at the bottom ends of the vacuum pump and the extension plate, the top end of the extension plate is fixedly connected with the support frame, and the support frame is provided with two groups of the universal wheels and symmetrically arranged at the top end of the extension plate.
As a further scheme of the utility model: the sampling structure comprises a section of sampling tube, a filter plate, a filtering structure, a connecting plate, a second section of sampling tube and a threaded hole, wherein the filter plate is fixedly connected to the inner wall of the section of sampling tube, the filtering structure is fixedly connected to the inner wall of the section of sampling tube, the second section of sampling tube is connected to the inner wall of the section of sampling tube through threads of the connecting plate, the threaded hole is formed in the inner wall of the second section of sampling tube, the threaded hole is provided with two groups of threaded holes which are symmetrically arranged on the inner wall of the second section of sampling tube, and the air inlet tube is connected to each group of threaded holes.
As a further scheme of the utility model: one end of the air inlet cylinder is fixedly connected with a rotating handle, the surface of the other end of the air inlet cylinder is provided with threads, and the surfaces of the threads are provided with a plurality of groups of air inlet holes.
As a further scheme of the utility model: the filter structure comprises an electrostatic adsorption plate, hooks and fixing plates, wherein the fixing plates are provided with two groups of fixing plates and symmetrically arranged on two sides of the inner wall of a section of sampling tube, the hooks are fixedly connected with the surfaces of each group of fixing plates, the protrusions of the fixing plates corresponding to the hooks are provided with holes, and the fixing plates are arranged between the two groups of hanging hooks.
As a further scheme of the utility model: the gas storage structure comprises a gas storage cylinder, a thread wall and a rubber coating, wherein the thread wall is fixedly connected to the outer wall of the bottom of the gas storage cylinder, and the rubber coating is fixedly connected to the inner walls of the bottom end and the top end of the gas storage cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
this indoor air sampler, including structure, sampling structure and the gas storage structure of bleeding, the air inlet fixedly connected with sampling structure on structure top of bleeding, the gas outlet threaded connection on structure top of bleeding has the gas storage structure, before using, twists out the gas storage structure, utilizes the structure of bleeding to take out the air in the sampling structure, twists back the gas storage structure again, loosens the air inlet cylinder of sampling structure this moment, under the effect of atmospheric pressure, extrudes indoor air to in the sampling structure, filters the back in the sampling structure is inside, and the air passes through the structure of bleeding again and gets into the gas storage structure in, accomplishes the sample to indoor air.
Drawings
FIG. 1 is a schematic diagram of an indoor air sampler according to the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of an indoor air sampler according to the present utility model;
FIG. 3 is a cross-sectional view of a sampling structure of the indoor air sampler of the present utility model;
FIG. 4 is a schematic view of an air intake structure of the indoor air sampler of the present utility model;
FIG. 5 is a schematic diagram showing a filtering structure of the indoor air sampler of the present utility model;
FIG. 6 is a schematic diagram of an air storage structure of the indoor air sampler of the present utility model.
As shown in the figure: 1. an air extraction structure; 2. a sampling structure; 3. a gas storage structure; 4. a vacuum pump; 5. an extension plate; 6. a universal wheel; 7. a support frame; 8. a section of sampling tube; 9. a filter plate; 10. a filtering structure; 11. a connecting plate; 12. a two-stage sampling tube; 13. a threaded hole; 14. an air inlet cylinder; 15. an air inlet hole; 16. rotating the handle; 17. an electrostatic adsorption plate; 18. a hook; 19. a fixing plate; 20. an air cylinder; 21. a threaded wall; 22. and (5) rubber coating.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-6, in an embodiment of the present utility model, an indoor air sampler includes an air extraction structure 1, a sampling structure 2 and an air storage structure 3, an air inlet at the top end of the air extraction structure 1 is fixedly connected with the sampling structure 2, an air outlet at the top end of the air extraction structure 1 is in threaded connection with the air storage structure 3, before use, the air storage structure 3 is screwed out, air in the sampling structure 2 is pumped out by using the air extraction structure 1, and then the air storage structure 3 is screwed back, at this time, an air inlet cylinder 14 of the sampling structure 2 is loosened, indoor air is extruded into the sampling structure 2 under the action of atmospheric pressure, after the inside of the sampling structure 2 is filtered, the air enters the air storage structure 3 again through the air extraction structure 1, and thus the sampling of the indoor air is completed.
The utility model provides an air extraction structure 1 includes vacuum pump 4, extension board 5, universal wheel 6 and support frame 7, vacuum pump 4 bottom one side fixed connection extension board 5, extension board 5 bottom fixedly connected with universal wheel 6, universal wheel 6 is equipped with four sets of and symmetry setting in vacuum pump 4 and the bottom of extension board 5, extension board 5 top fixedly connected with support frame 7, support frame 7 is equipped with two sets of and symmetry setting in extension board 5 top, utilize universal wheel 6 to have improved the portability of equipment, extension board 5 and support frame 7 play the supporting role to sampling structure 2, the intake pipe of vacuum pump 4 is connected with sampling structure 2, the outlet duct of vacuum pump is connected with gas storage structure 3.
The sampling structure 2 comprises a first section of sampling tube 8, a filter plate 9, a filter structure 10, a connecting plate 11, a second section of sampling tube 12 and a threaded hole 13, the filter plate 9 is fixedly connected to the inner wall of the first section of sampling tube 8, the filter structure 10 is fixedly connected to the inner wall of the first section of sampling tube 8, the second section of sampling tube 12 is connected to the inner wall of the first section of sampling tube 8 through the connecting plate 11 in a threaded manner, the threaded hole 13 is formed in the inner wall of the second section of sampling tube 12, the threaded holes 13 are symmetrically formed in the inner wall of the second section of sampling tube 12, the air inlet tube 14 is screwed inwards when the sampling structure 2 is vacuumized, the air inside the sampling structure 2 is in a closed structure, the air inside the sampling structure 2 is emptied under the action of the vacuum pump 4, at the moment, indoor air floods into the first section of sampling tube 8 under the atmospheric pressure, the filter plate 9 and the filter structure 10 are filtered and then enter the air storage structure 3 through the vacuum pump 4, the second section of sampling tube 12 can be unscrewed through the connecting plate 11 after the air enters the air storage structure 3, and the solid particles in the surface of the filter structure 10 are judged by observing the surface pollution degree of the air inside the filter structure 10.
One end of the air inlet cylinder 14 is fixedly connected with a rotary handle 16, the surface of the other end of the air inlet cylinder 14 is provided with threads, the threaded surface is provided with a plurality of groups of air inlet holes 15, and when the air inlet cylinder 14 is unscrewed outwards, indoor air enters the sampling structure 2 through the air inlet holes 15.
The filtering structure 10 comprises an electrostatic adsorption plate 17, hooks 18 and fixing plates 19, wherein the fixing plates 19 are provided with two groups of fixing plates and symmetrically arranged on two sides of the inner wall of the section of sampling tube 8, the hooks 18 are fixedly connected to the surfaces of each group of fixing plates 19, openings are formed in the positions, corresponding to the protrusions of the hooks 18, of the fixing plates 19, the fixing plates 19 are arranged between the two groups of hooks 18, when indoor air rapidly floods into the sampling structure 2, solid particle impurities in the air are captured by the electrostatic adsorption plate 17, and after the laboratory is brought back, the electrostatic adsorption plate 17 can be taken down from the hooks 18 for observation and research.
The gas storage structure 3 includes gas receiver 20, screw thread wall 21 and rubber tectorial membrane 22, gas receiver 20 bottom outer wall fixedly connected with screw thread wall 21, the equal fixedly connected with rubber tectorial membrane 22 of gas receiver 20 bottom and top inner wall, two sets of rubber tectorial membrane 22 surfaces all have the breach, be the closed state at ordinary times, when the air in the sampling structure 2 gets into in the gas storage structure 3 through vacuum pump 4, the air gets into gas receiver 20 through the rubber tectorial membrane 22 of breach roof-opening bottom, outwards discharge original gas in the gas receiver 20, the rubber tectorial membrane 22 at original gas roof-opening top outwards discharges, when the gas is full load, rubber tectorial membrane 22 is in closed state, can not lead to gas overflow.
Claims (3)
1. The utility model provides an indoor air sampler, includes structure (1) of bleeding, sampling structure (2) and gas storage structure (3), its characterized in that: the utility model discloses a sampling structure, an air inlet fixedly connected with sampling structure (2) on air suction structure (1) top, air outlet threaded connection on air suction structure (1) top has gas storage structure (3), air suction structure (1) includes vacuum pump (4), extension board (5), universal wheel (6) and support frame (7), vacuum pump (4) bottom one side fixedly connected with extension board (5), extension board (5) bottom fixedly connected with universal wheel (6), universal wheel (6) are equipped with four groups and symmetry setting in vacuum pump (4) and extension board (5)'s bottom, extension board (5) top fixedly connected with support frame (7), support frame (7) are equipped with two groups and symmetry setting in extension board (5) top, sampling structure (2) are including one section sampling tube (8), filter plate (9), filter structure (10), connecting plate (11), two sections sampling tube (12) and screw hole (13), one section sampling tube (8) inner wall fixedly connected with filter structure (10), one section sampling tube (8) inner wall is through connecting plate (11) threaded connection with two sections sampling tube (12), screw holes (13) are provided with two groups and symmetrically arranged on the inner wall of the two-section sampling tube (12), each group of screw holes (13) is internally connected with an air inlet tube (14), the air storage structure (3) comprises an air storage tube (20), a screw thread wall (21) and a rubber coating film (22), the screw thread wall (21) is fixedly connected with the outer wall of the bottom of the air storage tube (20), and the rubber coating film (22) is fixedly connected with the inner wall of the bottom end and the top end of the air storage tube (20).
2. An indoor air sampler according to claim 1, wherein: one end of the air inlet cylinder (14) is fixedly connected with a rotary handle (16), threads are formed on the surface of the other end of the air inlet cylinder (14), and a plurality of groups of air inlet holes (15) are formed on the surface of the threads.
3. An indoor air sampler according to claim 1, wherein: the filter structure (10) comprises an electrostatic adsorption plate (17), hooks (18) and fixing plates (19), wherein the fixing plates (19) are arranged on two groups of sides of the inner wall of a section of sampling tube (8) symmetrically, each group of fixing plates (19) is fixedly connected with the hooks (18) on the surface, the fixing plates (19) are provided with holes corresponding to the protrusions of the hooks (18), and the fixing plates (19) are arranged between the two groups of hooks (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320812018.6U CN219641349U (en) | 2023-04-13 | 2023-04-13 | Indoor air sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320812018.6U CN219641349U (en) | 2023-04-13 | 2023-04-13 | Indoor air sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219641349U true CN219641349U (en) | 2023-09-05 |
Family
ID=87815418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320812018.6U Active CN219641349U (en) | 2023-04-13 | 2023-04-13 | Indoor air sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219641349U (en) |
-
2023
- 2023-04-13 CN CN202320812018.6U patent/CN219641349U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |