CN214309750U - Air micro-pollutant sampler - Google Patents
Air micro-pollutant sampler Download PDFInfo
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- CN214309750U CN214309750U CN202023291780.XU CN202023291780U CN214309750U CN 214309750 U CN214309750 U CN 214309750U CN 202023291780 U CN202023291780 U CN 202023291780U CN 214309750 U CN214309750 U CN 214309750U
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Abstract
The utility model relates to an air micro-pollutant sampler, including the box and locating the sampling subassembly in the box, the sampling subassembly includes base, fan, footstock, seat circle and sample thief, and the fan passes through the base to be fixed in the bottom of box, and the air intake of fan sets up vertically upwards, and the seat circle cover is established outside the air intake of fan, and the footstock is fixed at the top of fan and the cover is established outside the seat circle, and the sample thief locates the top of footstock, and the top of sample thief upwards stretches out to the top of box top; the utility model discloses except can detecting out harmful gas's content with the help of the sampling head, can also gather particulate matter and organic compound respectively with the help of filter membrane and adsorbing material in order to increase monitoring function and make monitoring data comprehensive, detailed to application scope has been enlarged and result of use has been promoted.
Description
Technical Field
The utility model relates to an air micro pollutant sample thief.
Background
Air pollution is the phenomenon that certain substances enter the atmosphere due to human activities or natural processes, present sufficient concentrations, reach sufficient time and thus jeopardize the comfort, health and welfare of humans or the environment; currently, the main factors of air pollution are particulate matter and organic compounds; in order to monitor the air quality in real time, an air sampler is required to be used for detecting the air; in recent years, the harm of micro-pollutants such as particulate matters and organic compounds in the air to human bodies is more and more emphasized.
Most of the existing air samplers can only detect the content of harmful gas to provide early warning, cannot detect micro-pollutants such as particles, organic compounds and the like, have fewer monitoring functions, less comprehensive monitoring data, smaller application range and poor using effect, and are to be further improved.
SUMMERY OF THE UTILITY MODEL
To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that an increase monitoring function and make monitoring data comprehensive, detailed is provided to enlarged application scope and promoted the air micro pollutant sample thief of result of use.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the air micro-pollutant sampler comprises a box body and a sampling assembly arranged in the box body, and is characterized in that the sampling assembly comprises a base, a fan, a top seat, a seat ring and a sampler, wherein the fan is fixed at the bottom of the box body through the base, an air inlet of the fan is vertically and upwards arranged, the seat ring is sleeved and fixed outside the air inlet of the fan, the top seat is fixed at the top of the fan and sleeved outside the seat ring, the sampler is arranged at the top of the top seat, and the top of the sampler upwards extends to the top of the box body; the top of box still is equipped with filtering component, filtering component includes well section of thick bamboo, end section of thick bamboo, top tube, top cap, support column, first cover, first filtration module and second filtration module thoroughly, top tube, well section of thick bamboo and end section of thick bamboo down set gradually from last, the open-top department at well section of thick bamboo is fixed to the bottom opening part detachable of top tube, the bottom detachable of well section of thick bamboo is fixed at the top of end section of thick bamboo, the top at the sample thief is fixed to the bottom of end section of thick bamboo, the spiro union is established in the open-top department outside of top tube to first cover, the top of top tube is located to the top cap, the support column includes a plurality ofly, and is a plurality of the support column is all fixed between the top inner wall of top cap and the first top of penetrating the cover and along angular distribution such as circumferencial direction, first filtration module and second filtration module are detachable respectively and locate in a section of thick bamboo and well section of thick bamboo.
Preferably, the first filtration module comprises a first clamping ring, a first orifice plate and a filtration membrane; the first pressing ring, the filter membrane and the first pore plate are sequentially embedded inside the opening at the top of the ejector sleeve from top to bottom, and the top of the first pressing ring is tightly propped against the inner wall at the top of the first transparent cover.
Preferably, the second filtering module comprises a transparent cylinder, a second transparent cover, a third transparent cover, a second pore plate, a gasket and an adsorbing material, the transparent cylinder is vertically arranged in the middle cylinder, the second transparent cover and the third transparent cover are respectively detachably fixed at openings at the upper end and the lower end of the transparent cylinder, and the bottom of the third transparent cover is attached to the inner wall of the bottom of the middle cylinder; the second orifice plate and the gasket are arranged in the third transparent cover and are sequentially distributed from top to bottom, the upper side of the second orifice plate is tightly pressed at the opening at the lower end of the transparent cylinder, and the lower side of the gasket is tightly pressed on the inner wall of the bottom of the third transparent cover.
Preferably, the bottom of the middle barrel is provided with a through hole, correspondingly, the top of the bottom barrel is provided with a tapered hole, the bottom opening of the through hole is communicated with the top opening of the tapered hole and concentrically arranged, the bottom of the bottom barrel is provided with a sinking chamber, the center of the bottom surface of the sinking chamber is outwards provided with a sleeve, and the root of the sleeve is communicated with the bottom opening of the tapered hole and concentrically arranged.
Preferably, the sampler comprises a sampler body, a base, a flow distribution plate and a sampling head, the sampler body is vertically and detachably inserted and fixed at the top of the box body, the top of the base is sleeved with the bottom opening of the sampler body in a screwed manner, the sleeve is sleeved with the top opening of the sampler body in a screwed manner, the sampling head is arranged in the sleeve, the bottom of the base is sleeved with the top opening of the base in a screwed manner, and the flow distribution plate is arranged in the base and tightly pressed at the top opening of the base.
Preferably, the edge of the flow distribution plate is provided with a plurality of flow distribution holes which are distributed at equal angles along the circumferential direction.
Preferably, the bottom opening of the top cylinder is outwards provided with a first flanging which is distributed annularly, correspondingly, the top opening of the middle cylinder is outwards provided with a second flanging which is distributed annularly, and the upper side of the second flanging is attached to the lower side of the first flanging in a sealing mode.
Preferably, the bottom opening of the middle cylinder is outwardly provided with third flanges which are circumferentially distributed, correspondingly, the top edge of the bottom cylinder is outwardly provided with fourth flanges which are circumferentially distributed, and the upper sides of the fourth flanges are hermetically attached to the lower sides of the third flanges.
Preferably, the first flanging and the second flanging are fixed on the outer portion of the first flanging and the outer portion of the third flanging and the outer portion of the fourth flanging in a sleeved mode, and the detachable hoops are fixed on the outer portions of the first flanging and the second flanging in a sleeved mode.
Compared with the prior art, the utility model has the advantages of: the utility model discloses except can detecting out harmful gas's content with the help of the sampling head, can also gather particulate matter and organic compound respectively with the help of filter membrane and adsorbing material in order to increase monitoring function and make monitoring data comprehensive, detailed to application scope has been enlarged and result of use has been promoted.
Drawings
FIG. 1 is a view showing a structure of a top side of the present invention;
fig. 2 is a sectional structure view of the present invention.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.
As shown in fig. 1-2, an air micro-pollutant sampler comprises a box body 1 and a sampling assembly 3 arranged in the box body 1, wherein the sampling assembly 3 comprises a base 31, a fan 32, a top seat 33, a seat ring 35 and a sampler 34, the fan 32 is fixed at the bottom of the box body 1 through the base 31, an air inlet of the fan 32 is vertically arranged upwards, the seat ring 35 is sleeved and fixed outside the air inlet of the fan 32, the top seat 33 is fixed at the top of the fan 32 and sleeved outside the seat ring 35, the sampler 34 is arranged at the top of the top seat 33, and the top of the sampler 34 extends upwards to the top of the box body 1; the top of the box body 1 is also provided with a filter component 2, the filter component 2 comprises a middle cylinder 21, a bottom cylinder 214, a top cylinder 22 and a top cover 23, the supporting column 24, the first transparent cover 25, the first filtering module and the second filtering module, the top barrel 22, the middle barrel 21 and the bottom barrel 214 are sequentially arranged from top to bottom, the bottom opening of the top barrel 22 is detachably fixed at the top opening of the middle barrel 21, the bottom of the middle barrel 21 is detachably fixed at the top of the bottom barrel 214, the bottom of the bottom barrel 214 is fixed at the top of the sampler 34, the first transparent cover 25 is sleeved on the outer side of the top opening of the top barrel 22 in a screwed mode, the top cover 23 is arranged above the top barrel 22, the supporting column 24 comprises a plurality of supporting columns 24, the supporting columns 24 are all fixed between the inner wall of the top cover 23 and the top of the first transparent cover 25 and are distributed at equal angles in the circumferential direction, and the first filtering module and the second filtering module are detachably arranged in the top barrel 22 and the middle barrel 21 respectively; the first filtration module comprises a first pressing ring 27, a first pore plate 26 and a filter membrane 28; the first pressing ring 27, the filter membrane 284 and the first pore plate 26 are sequentially embedded in the opening at the top of the top barrel 22 from top to bottom, and the top of the first pressing ring 27 is tightly propped against the inner wall at the top of the first transparent cover 25; the second filtering module comprises a transparent cylinder 29, a second transparent cover 210, a third transparent cover 211, a second pore plate 212, a gasket 213 and an adsorbing material 215, the transparent cylinder 29 is vertically arranged in the middle cylinder 21, the second transparent cover 210 and the third transparent cover 211 are respectively detachably fixed at openings at the upper end and the lower end of the transparent cylinder 29, and the bottom of the third transparent cover 211 is attached to the inner wall of the bottom of the middle cylinder 21; the second pore plate 212 and the gasket 213 are both arranged in the third transparent cover 211 and are sequentially distributed from top to bottom, the upper side of the second pore plate 212 is tightly pressed at the lower opening of the transparent cylinder 29, and the lower side of the gasket 213 is tightly pressed on the inner wall of the bottom of the third transparent cover 211.
The bottom of the middle barrel 21 is provided with a through hole 2101, correspondingly, the top of the bottom barrel 214 is provided with a tapered hole 2141, the bottom opening of the through hole 2101 is communicated with the top opening of the tapered hole 2141 and concentrically arranged, the bottom of the bottom barrel 214 is provided with a sinking cavity 2142, a sleeve 2143 is outwardly formed at the center of the bottom surface of the sinking cavity 2142, and the root of the sleeve 2143 is communicated with the bottom opening of the tapered hole 2141 and concentrically arranged.
The sampler 34 comprises a sampler body 344, a base 341, a flow distribution plate 342 and a sampling head 343, wherein the sampler body 344 is vertically and detachably inserted and fixed at the top of the box body 1, the top of the base 341 is sleeved and screwed at the outer side of the bottom opening of the sampler body 344, a sleeve 2143 is sleeved and screwed at the outer side of the top opening of the sampler body 344, the sampling head 343 is arranged in the sleeve 2143, the bottom of the base 341 is sleeved and screwed at the outer side of the top opening of the seat ring 35, and the flow distribution plate 342 is arranged in the base 341 and tightly pressed at the top opening of the seat ring 35.
The edge of the diversion plate 342 is provided with a plurality of diversion holes 3421 distributed at equal angles along the circumferential direction.
The bottom opening of the top cylinder 22 is outwardly formed with a first flanging 221 which is circumferentially distributed, correspondingly, the top opening of the middle cylinder 21 is outwardly formed with a second flanging 2102 which is circumferentially distributed, and the upper side of the second flanging 2102 is attached to the lower side of the first flanging 221 in a sealing manner.
The bottom opening of the middle barrel 21 is outwardly formed with a third flange 2103 which is circumferentially distributed, correspondingly, the top edge of the bottom barrel 214 is outwardly formed with a fourth flange 2144 which is circumferentially distributed, and the upper side of the fourth flange 2144 is attached to the lower side of the third flange 2103 in a sealing manner.
The first flange 221 and the second flange 2102 and the third flange 2103 and the fourth flange 2144 are also fixed with a detachable hoop 4.
When in use: starting a fan 32, so that external air enters the first pressing ring 27 through a gap between the first transparent cover 25 and the top cover 23, further passes through the filter membrane 28 and the plurality of small holes in the first pore plate 26, and then enters the top barrel 22, and the filter membrane 28 can collect particles in the air; then, the air enters the transparent cylinder 29 through the second transparent cover 210, and then flows through the adsorbing material 215 and the plurality of small holes in the second orifice plate 212, and then enters the tapered hole 2141 at the top of the bottom cylinder 214 through the third transparent cover 211, and the adsorbing material 215 can collect the organic compounds in the air; then, the air enters the body 344 again and contacts the sampling head 343, and then enters between the seat 341 and the seat ring 35 through the plurality of diversion holes 3421 of the diversion plate 342, and finally is discharged outside through the fan 32, and the sampler 34 can detect harmful components in the air.
The top barrel 22 and the middle barrel 21 can be detached by detaching the two anchor ears 4, the filter membrane 28 can be taken out by detaching the top cover 23 and the first transparent cover 25, and then the particulate matters in the filter membrane 28 are extracted to calculate the concentration of the particulate matters and are cleaned or replaced; the second filter module is lifted upwards from the top opening of the middle cylinder 21 to be taken out integrally, then the second transparent cover 210 and the third transparent cover 211 are removed, the adsorbing material 215 and the second orifice plate 212 can be cleaned or replaced, and finally the organic compounds in the adsorbing material 215 are extracted to calculate the concentration and cleaned or replaced.
The utility model discloses except can detecting out harmful gas's content with the help of sampling head 343, can also gather particulate matter and organic compound respectively with the help of filter membrane 28 and adsorbing material 215 in order to increase monitoring function and make monitoring data comprehensive, detailed to application scope has been enlarged and result of use has been promoted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. The air micro-pollutant sampler comprises a box body and a sampling assembly arranged in the box body, and is characterized in that the sampling assembly comprises a base, a fan, a top seat, a seat ring and a sampler, wherein the fan is fixed at the bottom of the box body through the base, an air inlet of the fan is vertically and upwards arranged, the seat ring is sleeved and fixed outside the air inlet of the fan, the top seat is fixed at the top of the fan and sleeved outside the seat ring, the sampler is arranged at the top of the top seat, and the top of the sampler upwards extends to the top of the box body; the top of box still is equipped with filtering component, filtering component includes well section of thick bamboo, end section of thick bamboo, top tube, top cap, support column, first cover, first filtration module and second filtration module thoroughly, top tube, well section of thick bamboo and end section of thick bamboo down set gradually from last, the open-top department at well section of thick bamboo is fixed to the bottom opening part detachable of top tube, the bottom detachable of well section of thick bamboo is fixed at the top of end section of thick bamboo, the top at the sample thief is fixed to the bottom of end section of thick bamboo, the spiro union is established in the open-top department outside of top tube to first cover, the top of top tube is located to the top cap, the support column includes a plurality ofly, and is a plurality of the support column is all fixed between the top inner wall of top cap and the first top of penetrating the cover and along angular distribution such as circumferencial direction, first filtration module and second filtration module are detachable respectively and locate in a section of thick bamboo and well section of thick bamboo.
2. The air micropollutant sampler of claim 1 wherein the first filtration module includes a first clamping ring, a first orifice plate and a filter membrane; the first pressing ring, the filter membrane and the first pore plate are sequentially embedded inside the opening at the top of the ejector sleeve from top to bottom, and the top of the first pressing ring is tightly propped against the inner wall at the top of the first transparent cover.
3. The air micro-pollutant sampler according to claim 1, wherein the second filtering module comprises a transparent cylinder, a second transparent cover, a third transparent cover, a second pore plate, a gasket and an adsorbing material, the transparent cylinder is vertically arranged in the middle cylinder, the second transparent cover and the third transparent cover are respectively and detachably fixed at openings at the upper end and the lower end of the transparent cylinder, and the bottom of the third transparent cover is attached to the inner wall of the bottom of the middle cylinder; the second orifice plate and the gasket are arranged in the third transparent cover and are sequentially distributed from top to bottom, the upper side of the second orifice plate is tightly pressed at the opening at the lower end of the transparent cylinder, and the lower side of the gasket is tightly pressed on the inner wall of the bottom of the third transparent cover.
4. The air micro-pollutant sampler according to claim 1, characterized in that the bottom of the middle cylinder is provided with a through hole, correspondingly, the top of the bottom cylinder is provided with a conical hole, the bottom opening of the through hole and the top opening of the conical hole are communicated with each other and concentrically arranged, the bottom of the bottom cylinder is provided with a sinking chamber, the bottom center of the sinking chamber is outwards provided with a sleeve, and the root of the sleeve and the bottom opening of the conical hole are communicated with each other and concentrically arranged.
5. The air micro-pollutant sampler according to claim 4, characterized in that the sampler comprises a sampler body, a base, a flow distribution plate and a sampling head, wherein the sampler body is vertically and detachably inserted and fixed at the top of the box body, the top of the base is sleeved and screwed outside the bottom opening of the sampler body, the sleeve is sleeved and screwed outside the top opening of the sampler body, the sampling head is arranged in the sleeve, the bottom of the base is sleeved and screwed outside the top opening of the seat ring, and the flow distribution plate is arranged in the base and pressed at the top opening of the seat ring.
6. The sampler of claim 5, wherein the edge of the splitter plate is provided with a plurality of splitter holes distributed at equal angles along the circumferential direction.
7. The air micro-pollutant sampler according to claim 1, characterized in that a first flanging which is distributed annularly is formed outwards at the bottom opening of the top cylinder, correspondingly, a second flanging which is distributed annularly is formed outwards at the top opening of the middle cylinder, and the upper side of the second flanging is in sealing fit with the lower side of the first flanging.
8. The air micro-pollutant sampler according to claim 7, characterized in that a third flanging which is circumferentially distributed is outwards formed at the bottom opening of the middle cylinder, correspondingly, a fourth flanging which is circumferentially distributed is outwards formed at the top edge of the bottom cylinder, and the upper side of the fourth flanging is in sealing fit with the lower side of the third flanging.
9. The air micro-pollutant sampler according to claim 8, characterized in that the outer parts of the first and second flanges and the outer parts of the third and fourth flanges are also provided with a detachable hoop in a sleeved and fixed manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023291780.XU CN214309750U (en) | 2020-12-30 | 2020-12-30 | Air micro-pollutant sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023291780.XU CN214309750U (en) | 2020-12-30 | 2020-12-30 | Air micro-pollutant sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214309750U true CN214309750U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023291780.XU Active CN214309750U (en) | 2020-12-30 | 2020-12-30 | Air micro-pollutant sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214309750U (en) |
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2020
- 2020-12-30 CN CN202023291780.XU patent/CN214309750U/en active Active
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