CN214150055U - Sampling device for atmospheric particulate matter characteristic analysis - Google Patents
Sampling device for atmospheric particulate matter characteristic analysis Download PDFInfo
- Publication number
- CN214150055U CN214150055U CN202120196310.0U CN202120196310U CN214150055U CN 214150055 U CN214150055 U CN 214150055U CN 202120196310 U CN202120196310 U CN 202120196310U CN 214150055 U CN214150055 U CN 214150055U
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- Prior art keywords
- shell
- bonding
- plate
- sampling device
- characteristic analysis
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- 238000005070 sampling Methods 0.000 title claims abstract description 21
- 239000008277 atmospheric particulate matter Substances 0.000 title abstract description 3
- 239000002245 particle Substances 0.000 abstract description 13
- 238000009423 ventilation Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model relates to the field of atmospheric sampling, in particular to a sampling device for atmospheric particulate matter characteristic analysis, which comprises a shell and a support frame, wherein a vent is arranged in the shell, a plurality of bonding plates are arranged in the vent in a surrounding manner along the horizontal axis direction, and each bonding plate is elastically connected through a connecting sheet, and the bonding plates form a horn-shaped cavity; the adjustable air flow layer is characterized in that an adjusting module is further arranged in the shell, the shell is placed on the surface of the air flow layer to be collected, the adjustable bonding plate arranged in the ventilation opening collects particles, the horn-shaped large opening faces the direction of air flow entering according to the wind direction, and the particles in the air flow have larger inertia relative to gas molecules.
Description
Technical Field
The utility model relates to an atmospheric sampling field specifically is a sampling device for atmospheric particulates characteristic analysis.
Background
In the link of atmosphere monitoring, what is essential is to carry out sampling analysis to gas, common sampling equipment has temperature pressure flow integration monitor, temperature pressure flow integration monitor possess the little differential pressure of high accuracy/static pressure sensor, be equipped with the blowback unit simultaneously, be the high dust of special continuous monitoring to the fume emission, high temperature, high humidity environment and the integration temperature of development, pressure, the velocity of flow monitor, accord with the requirement of national relevant standard, can be used for fume emission monitoring system (CEMS) to carry out the real-time continuous measurement of fume temperature, pressure, velocity of flow and flow.
However, the existing temperature and pressure flow integrated monitor can not freely adjust the inclination angle of the collection surface relative to the air flow, so that the efficiency of collecting atmospheric particulates can not be manually controlled, and under different environments, the unadjustable collection surface can also cause the adaptability of the sampling device to be reduced, thereby influencing the use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sampling device for atmospheric particulates characteristic analysis to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a sampling device for atmospheric particulate characteristic analysis comprises a shell and a support frame, wherein the shell is arranged on the support frame, a vent is formed in the shell, a plurality of bonding plates are arranged in the vent in a surrounding mode along the horizontal axis direction, each bonding plate is elastically connected through a connecting sheet, and a horn-shaped cavity is formed by the bonding plates; the shell is internally provided with an adjusting module, the adjusting module comprises a rotating wheel and a spring, the rotating wheel is eccentrically and rotatably connected to the shell, one end of the bonding plate is rotatably connected to the shell, the other end of the bonding plate is elastically connected with the shell through the spring, the rotating wheel and the spring are symmetrically arranged in the shell, and the bonding plate is positioned on the rotating stroke of the rotating wheel; and a filter screen is arranged on the bonding plate.
As a further aspect of the present invention: the opposite surfaces of the bonding plates are also bonded with bonding nets, and the cross sections of the bonding nets are arc-shaped.
As a further aspect of the present invention: articulated on one side of casing have the open-close board, just the open-close board is close to the macrostoma place end setting of tubaeform vent.
As a further aspect of the present invention: the top of casing rotates and is connected with the pivot, the top fixedly connected with wind vane of pivot.
As a further aspect of the present invention: the supporting frame comprises a first upright post, an upper plate, a second upright post and a bottom plate, the shell is fixedly connected with the upper plate through the first upright post, the bottom plate is arranged below the upper plate, the second upright post is fixedly connected onto the bottom plate, and the second upright post is arranged in the first upright post in a fitting and sliding manner; a support rod is further arranged between the upper plate and the bottom plate, and two ends of the support rod are detachably connected with the upper plate and the bottom plate respectively; the bottom surface of the bottom plate is also provided with universal wheels.
Compared with the prior art, the beneficial effects of the utility model are that: when the shell is used, the shell is placed on the surface of an airflow layer to be collected, the adjustable bonding plates arranged in the ventilation opening collect particles, the bonding plates form a horn shape, the large opening of the horn shape faces the direction of airflow entering according to the wind direction, the airflow enters the large opening of the horn shape and exits from the small opening of the large opening of the horn shape, the airflow can be extruded in the ventilation opening, and the particles in the airflow have larger inertia relative to gas molecules, so that when the rotating wheel is adjusted, and the inclination angle of the bonding plates relative to the horizontal plane is controlled, the larger the inclination angle is, the more the particles impact on the bonding plates are, and the accuracy of the final measurement result is improved by more particles; through the arrangement, the flexibility of the acquisition surface of the temperature and pressure flow integrated monitor can be improved, and the demand capacity of the temperature and pressure flow integrated monitor in different environments is improved.
Drawings
Fig. 1 is a schematic structural diagram of a sampling device for atmospheric particulate feature analysis.
Fig. 2 is a schematic structural diagram of the interior of a housing of a sampling device for atmospheric particulate characteristic analysis.
Fig. 3 is a schematic structural diagram of a connection relationship between an upper plate and a bottom plate in a sampling device for atmospheric particulate feature analysis.
In the figure: 1-vane, 2-rotating shaft, 3-shell, 4-opening plate, 6-bonding net, 7-ventilation opening, 8-first upright post, 9-upper plate, 10-supporting rod, 11-bottom plate, 12-universal wheel, 13-rotating wheel, 14-spring, 15-bonding plate, 16-connecting piece and 17-second upright post.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-2, as an embodiment, a sampling device for atmospheric particulate feature analysis includes a housing 3 and a support frame, where the housing 3 is mounted on the support frame, a vent 7 is formed in the housing 3, the vent 7 surrounds a plurality of bonding plates 15 along a horizontal axis, each bonding plate 15 is elastically connected by a connecting piece 16, and the bonding plates 15 form a horn-shaped cavity; an adjusting module is further arranged in the shell 3, the adjusting module comprises a rotating wheel 13 and a spring 14, the rotating wheel 13 is eccentrically and rotatably connected to the shell 3, one end of the bonding plate 15 is rotatably connected to the shell 3, the other end of the bonding plate is elastically connected with the shell 3 through the spring 14, the rotating wheel 13 and the spring 14 are symmetrically arranged in the shell 3, and the bonding plate 15 is located on the rotating stroke of the rotating wheel 13; a filter screen is arranged on the bonding plate 15.
The opposite surfaces of the bonding plates 15 are also bonded with bonding nets 6, and the cross sections of the bonding nets 6 are arc-shaped.
Articulated on one side of casing 3 have opening plate 4, just opening plate 4 is close to the setting of the macrostoma place end of tubaeform vent 7.
The top of casing 3 rotates and is connected with pivot 2, the top fixedly connected with wind vane 1 of pivot 2.
When the shell 3 is placed on the surface of an airflow layer to be collected in use, the adjustable bonding plates 15 arranged in the ventilation opening 7 collect particles, the bonding plates 15 form a horn shape, the large opening of the horn shape faces the direction of airflow entering according to the wind direction, the airflow enters the large opening of the horn shape and exits from the small opening of the horn shape, the airflow can be extruded in the ventilation opening 7, and the particles in the airflow have larger inertia relative to gas molecules, so that when the rotating wheel 13 is adjusted, and the inclination angle of the bonding plates 15 relative to the horizontal plane is controlled, the larger the inclination angle is, the more the number of the particles impacting the bonding plates 15 is, and the accuracy of the final measurement result is improved by more particles.
The technology of the adhesive sheet 15 for collecting particulate matter is the prior art, and in short, the principle is that when a certain amount of air passes through the known adhesive sheet 15 at a constant rate, particulate matter floating in the air is retained on the filter net of the adhesive sheet 15, and the mass concentration of the total suspended particulate matter is determined based on the mass of the filter net and the amount of air passing through the filter net.
It can be known that, the inclination degree of the bonding plate 15 is properly adjusted, the collection rate of the bonding plate 15 can be improved on the premise of ensuring the stability of the shell 3, and the adjustable bonding plate 15 can be further adjusted according to the wind speeds in different environments, so that the adaptability of the design is improved.
Furthermore, the bonding net 6 is bonded on the bonding plate 15, so that the area of the design for collecting the particles can be enlarged, the quantity of the particles collected in the same time period is increased, and the subsequent analysis on the measurement result is facilitated.
Further, the opening plate 4 arranged on the large opening of the trumpet-shaped ventilation opening 7 can provide certain airflow guiding capacity for the design, and when the wind speed is low, the quantity of collected particles in a certain time can be increased through the flow guiding effect.
Furthermore, the arrangement of the wind vane 1 can judge the wind direction of the casing 3 in the environment at that time, and further, when the wind vane is used together, the orientation of the casing 3 is adjusted, further, when a plurality of wind vanes are used together, the orientation of each wind vane 1 is recorded, after a detection result comes out, analysis is carried out from few to many according to the quantity of harmful particulate matters, and according to the orientations of the plurality of wind vanes 1, a pollution source is further deduced, because the concentration of the harmful particulate matters is higher closer to the position of the pollution source, and the propagation direction of the harmful particulate matters is easily known according to the wind direction, the general position of the pollution source can be estimated, and the pollution source can be conveniently supervised.
Referring to fig. 1 and fig. 3, as a preferred embodiment, the support frame includes a first upright post 8, an upper plate 9, a second upright post 17 and a bottom plate 11, the housing 3 is fixedly connected to the upper plate 9 through the first upright post 8, the bottom plate 11 is disposed below the upper plate 9, the second upright post 17 is fixedly connected to the bottom plate 11, and the second upright post 17 is slidably attached to the first upright post 8; a support rod 10 is further arranged between the upper plate 9 and the bottom plate 11, and two ends of the support rod 10 are detachably connected with the upper plate 9 and the bottom plate 11 respectively; the bottom surface of the bottom plate 11 is also provided with universal wheels 12.
During the use, if need adjust the height of casing 3, through relative slip first stand 8 and second stand 17, will the upper plate 9 is pulled away from bottom plate 11, and rethread fixed stay 10, and then the position of injecing casing 3, the bracing piece 10 is in the concrete mode of fixing can be round pin hub fixation or bolt and nut fixed between upper plate 9 and bottom plate 11, and fixed mode is diversified, does not do here and describe repeatedly.
Furthermore, the arrangement of the universal wheels 12 improves the convenience of moving the whole device.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The sampling device for atmospheric particulate characteristic analysis comprises a shell (3) and a support frame, wherein the shell (3) is installed on the support frame, and the sampling device is characterized in that a vent (7) is formed in the shell (3), the vent (7) is provided with a plurality of bonding plates (15) in a surrounding mode along the direction of a horizontal axis, each bonding plate (15) is elastically connected through a connecting sheet (16), and the bonding plates (15) form a horn-shaped cavity; the shell (3) is internally provided with an adjusting module, the adjusting module comprises a rotating wheel (13) and a spring (14), the rotating wheel (13) is eccentrically and rotatably connected to the shell (3), one end of a bonding plate (15) is rotatably connected to the shell (3), the other end of the bonding plate is elastically connected with the shell (3) through the spring (14), the rotating wheel (13) and the spring (14) are symmetrically arranged in the shell (3), and the bonding plate (15) is positioned on the rotating stroke of the rotating wheel (13); a filter screen is arranged on the bonding plate (15).
2. The sampling device for atmospheric particulate characteristic analysis according to claim 1, wherein the bonding net (6) is further bonded to the opposite surfaces of the plurality of bonding plates (15), and the cross-sectional shape of the bonding net (6) is an arc shape.
3. The sampling device for atmospheric particulates characteristic analysis of claim 1, characterized in that, the casing (3) is articulated on one side with a cut-off plate (4), and the cut-off plate (4) is arranged near the end of the trumpet-shaped vent (7) where the large mouth is located.
4. The sampling device for atmospheric particulates characteristic analysis according to claim 3, characterized in that a rotating shaft (2) is rotatably connected above the housing (3), and a wind vane (1) is fixedly connected to the top end of the rotating shaft (2).
5. The sampling device for atmospheric particulates characteristic analysis of claim 1, wherein the support frame comprises a first upright column (8), an upper plate (9), a second upright column (17) and a bottom plate (11), the housing (3) is fixedly connected with the upper plate (9) through the first upright column (8), the bottom plate (11) is arranged below the upper plate (9), the second upright column (17) is fixedly connected with the bottom plate (11), and the second upright column (17) is arranged in the first upright column (8) in a fitting and sliding manner; a support rod (10) is further arranged between the upper plate (9) and the bottom plate (11), and two ends of the support rod (10) are detachably connected with the upper plate (9) and the bottom plate (11) respectively; the bottom surface of the bottom plate (11) is also provided with universal wheels (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120196310.0U CN214150055U (en) | 2021-01-25 | 2021-01-25 | Sampling device for atmospheric particulate matter characteristic analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120196310.0U CN214150055U (en) | 2021-01-25 | 2021-01-25 | Sampling device for atmospheric particulate matter characteristic analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214150055U true CN214150055U (en) | 2021-09-07 |
Family
ID=77548825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120196310.0U Expired - Fee Related CN214150055U (en) | 2021-01-25 | 2021-01-25 | Sampling device for atmospheric particulate matter characteristic analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214150055U (en) |
-
2021
- 2021-01-25 CN CN202120196310.0U patent/CN214150055U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |