CN113720661A - Multi-inlet sampling mechanism for environmental monitoring - Google Patents
Multi-inlet sampling mechanism for environmental monitoring Download PDFInfo
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- CN113720661A CN113720661A CN202111285504.9A CN202111285504A CN113720661A CN 113720661 A CN113720661 A CN 113720661A CN 202111285504 A CN202111285504 A CN 202111285504A CN 113720661 A CN113720661 A CN 113720661A
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- sampling
- sampling cylinder
- shielding cover
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
Abstract
The invention belongs to the technical field of sampling mechanisms, and particularly relates to a multi-inlet sampling mechanism for environment monitoring. The sampling mechanism comprises a base, a sampling cylinder arranged at the top of the base and a shielding cover arranged at the top of the sampling cylinder, wherein the height of the shielding cover is gradually increased from the edge to the center of the shielding cover, and a vertical spring is connected between the sampling cylinder and the base; an air pump is arranged at the top of the inner side of the sampling cylinder; according to the invention, the sampling cylinder is connected with the base through the vertical spring, so that the shielding cover is deflected when being subjected to external force, impurities on the surface of the shielding cover slide and fall off more smoothly, the horizontal column slides towards the inner part of the air inlet pipe in the falling direction of the impurities, the air inlet pipe is sealed through the sealing ring, the falling impurities are prevented from being sucked into the sampling cylinder, the filter screen is automatically cleaned through the cleaning rod, and finally, when the vertical spring is restored, the shielding cover swings, the impurities on the surface of the shielding cover can rapidly fall off, and the personnel is not required to clean frequently.
Description
Technical Field
The invention belongs to the technical field of sampling mechanisms, and particularly relates to a multi-inlet sampling mechanism for environment monitoring.
Background
The environmental monitoring is to quantitatively determine the concentration change of environmental factors and other environmental pollutants in an intermittent or continuous mode by using a modern scientific and technical method, and observe and analyze the scientific activities of the environmental influence process and degree. Setting a corresponding number of monitoring points according to the condition of actually monitoring the environmental area, and setting 1 monitoring point when the monitoring area is less than 50 square meters; when the monitoring area is greater than 50 square meters and less than 100 square meters, 2 detection points are set. When 2 or more detection points are arranged in a room, the average value of detection results of the points is taken as a detection value of the room, for the cultivation of the birds, a closed environment needs to be enclosed through a purse net, workers need to frequently clean regularly to guarantee the quality of the internal environment, otherwise the activity of the birds is affected, after the environment change is measured in real time by adopting a sampling mechanism, the workers only clean after the environment change, the labor capacity can be reduced, and meanwhile, the health of the environment where the birds inhabit can be guaranteed.
When sampling and detecting in the birds breeding area, the top of the sampling mechanism needs to be provided with a housing, the housing plays a role in carrying sundries, the sundries are required to be cleaned in time when the sundries are left on the surface, when the sundries are forgotten to be cleaned, the carried sundries can fall off when birds walk on the surface and wind, and at the moment, the sampling mechanism works when the external air is extracted to the inside, so that the filter screen at the air inlet of the sampling mechanism is blocked, and subsequent detection is influenced.
Disclosure of Invention
In view of the above problems, the present invention provides a sampling mechanism for environmental monitoring with multiple inlets, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-inlet sampling mechanism for environmental monitoring comprises a base, a sampling cylinder arranged at the top of the base and a shielding cover arranged at the top of the sampling cylinder, wherein the height of the shielding cover is gradually increased from the edge of the shielding cover to the center of the shielding cover, and a vertical spring is connected between the sampling cylinder and the base; an air pump is arranged at the top of the inner side of the sampling cylinder, a detection assembly is arranged at an air exhaust port of the air pump, and an air outlet of the air pump vertically penetrates through the sampling cylinder and the shielding cover upwards; sampling cylinder lateral wall intercommunication has the intake pipe of a plurality of circumference equipartitions, and the one end that sampling cylinder was kept away from to the intake pipe is provided with the filter screen, sampling cylinder inner wall bottom is provided with middle section of thick bamboo, runs through on the middle section of thick bamboo and pegs graft and have a plurality of horizontal posts with the intake pipe one-to-one, and the sealing washer has been cup jointed in the horizontal post outside, and the inside center post that is provided with of middle section of thick bamboo, is provided with horizontal spring between center post and every horizontal post, and the horizontal spring was kept away from to the horizontal post one end is provided with the clearance pole, and clearance pole one end is located intake pipe inside and be close to the filter screen.
Preferably, the horizontal column is arranged in a hollow mode, the height of the bottom of the inner wall of the horizontal column is gradually reduced towards the center column, the horizontal column is internally provided with a sliding column matched with the horizontal column, a through hole is formed in one end, close to the filter screen, of the horizontal column, and an auxiliary hole is formed in the other end of the horizontal column.
Preferably, clearance pole one end is located horizontal post inside, and this end is provided with from repelling the piece, and the rotation of clearance pole middle part is connected in horizontal post tip department to be provided with the torsional spring in the rotation junction, the position department that slip post one end is close to the bottom is provided with mainly repels the piece, mainly repels the piece towards the clearance pole, and mainly repels a top and from repelling a bottom polarity the same.
Preferably, the end part of the cleaning rod is provided with a plurality of rubber balls, and the diameter of each rubber ball is larger than the aperture of the filter screen.
Preferably, be provided with the gag lever post between center post and the horizontal post, the distance between center post and the horizontal post is the same with the length of gag lever post, and the gag lever post is pegged graft on center post surface, and center post top is inserted and is equipped with the support column, and the support column bottom is most advanced, and the gag lever post is located most advanced point portion department.
Preferably, the bottom of the shielding cover is provided with an insertion rod, the bottom end of the insertion rod is fixedly connected with a limiting disc, a vertical cavity is formed in the inner wall of the top of the sampling cylinder, the limiting disc is located in the vertical cavity, and the depth of the limiting disc is smaller than that of the vertical cavity.
Preferably, the sealing ring is made of a silica gel material, and lubricating oil is smeared on the surface of the sealing ring.
Preferably, the bottom of the sampling cylinder is hinged with a plurality of adjusting rods, the top of the base is provided with a plurality of jacks corresponding to the adjusting rods one by one, and the bottom of the adjusting rod is obliquely lapped at the edge of the top of the base.
The invention has the technical effects and advantages that:
1. according to the sampling cylinder, the vertical spring is used for connecting the sampling cylinder with the base, so that the shielding cover is deflected when being subjected to external force, impurities on the surface of the shielding cover slide and fall off smoothly, the horizontal column slides towards the inner part of the air inlet pipe in the falling direction of the impurities, the air inlet pipe is sealed through the sealing ring, the falling impurities are prevented from being sucked into the sampling cylinder, the filter screen is automatically cleaned through the cleaning rod, and finally, when the vertical spring is restored, the shielding cover swings, the impurities on the surface of the shielding cover can quickly fall off, and the personnel do not need to clean frequently;
2. the sliding column moves towards the direction of the cleaning rod under the action of self inertia force and impacts the other end of the horizontal column, so that the cleaning rod can be pushed to play a role in vibrating and cleaning the filter screen again, the cleaning effect is good, and in the moving process of the sliding column, air in the horizontal column can be pressed into the air inlet pipe, so that the horizontal column can play the same role, the air pressure in the air inlet pipe is increased, and when the filter screen is completely blocked, the cleaning effect on the filter screen can be improved through the pressurized air;
3. according to the invention, the main repelling block has an upward driving force on the secondary repelling block, so that one end of the cleaning rod at the secondary repelling block is deflected upwards, the other end of the cleaning rod is deflected downwards on the filter screen, the cleaning rod can be scraped downwards for a certain distance on the surface of the filter screen, the cleaning effect is improved, and the horizontal column can continuously advance for a certain distance after the cleaning rod is deflected, so that the effect of secondary impact on the filter screen by the cleaning rod can be promoted, and the cleaning effect on the filter screen is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of a multi-inlet sampling mechanism for environmental monitoring according to the present invention;
FIG. 2 is a top cross-sectional view of a cartridge according to the present invention;
FIG. 3 is a front cross-sectional view of a cartridge according to the present invention;
fig. 4 is a cross-sectional view of a horizontal column of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention;
in the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The invention provides a multi-inlet sampling mechanism for environment monitoring, which comprises a base 1, a sampling cylinder 24 arranged at the top of the base 1 and a shielding cover 2 arranged at the top of the sampling cylinder 24, wherein the height of the shielding cover 2 is gradually increased from the edge to the center of the shielding cover, and a vertical spring 3 is connected between the sampling cylinder 24 and the base 1; the top of the inner side of the sampling cylinder 24 is provided with an air pump 4, a detection component is arranged at an air outlet of the air pump 4, the detection component comprises various sensors commonly used in the environmental detection in the prior art, such as an odor sensor, and the like, and the details are not repeated in the text, and an air outlet of the air pump 4 vertically penetrates through the sampling cylinder 24 and the shielding cover 2; 24 lateral walls of sampling cylinder intercommunication has the intake pipe 5 of a plurality of circumference equipartitions, and the one end that sampling cylinder 24 was kept away from to intake pipe 5 is provided with filter screen 6, 24 inner wall bottom of sampling cylinder is provided with middle section of thick bamboo 7, runs through on middle section of thick bamboo 7 to peg graft have a plurality of horizontal post 8 with 5 one-to-one of intake pipe, sealing washer 9 has been cup jointed in the 8 outsides of horizontal post, the inside center post 10 that is provided with of middle section of thick bamboo 7, be provided with horizontal spring 11 between center post 10 and every horizontal post 8, and the one end that horizontal spring 11 was kept away from to horizontal post 8 is provided with clearance pole 12, clearance pole 12 one end is located intake pipe 5 inside and is close to filter screen 6.
The sampling cylinder 24 is connected with the base 1 through the vertical spring 3, when birds hover on the surface of the shielding cover 2, the shielding cover 2 can be inclined, sundries on the surface of the shielding cover 2 can slide and fall off more smoothly in the inclined direction, the inclined sampling cylinder 24 can be driven to incline by the inclined shielding cover 2, the corresponding horizontal column 8 can be inclined by the inclined sampling cylinder 24, so that the horizontal column 8 can slide towards the inner part of the air inlet pipe 5 in the falling direction of the sundries, the air inlet pipe 5 is blocked by the sealing ring 9, the falling sundries are prevented from being sucked into the sampling cylinder 24, the cleaning rod 12 is pushed by the horizontal column 8 to impact the filter screen 6, the filter screen 6 is vibrated, the impurities filtered from the surface of the filter screen 6 fall off, automatic cleaning can be realized, and when the filter screen 6 is cleaned, the horizontal column 8 moves towards the inner part of the air inlet pipe 5, the gas in the gas inlet pipe 5 is pressed towards the filter screen 6, so that impurities can fall off more quickly; meanwhile, when the vertical spring 3 is restored, the top end of the sampling cylinder 24 is driven to swing, so that the shielding cover 2 swings, sundries on the surface of the shielding cover 2 can quickly fall off, frequent cleaning by personnel is not needed, and finally, after the sampling cylinder 24 is in a vertical state again, the horizontal spring 11 pulls the horizontal column 8 to return to the original position, and the air inlet pipe 5 is unblocked;
referring to the attached drawings 2-4 of the specification, the horizontal column 8 is arranged in a hollow mode, the height of the bottom of the inner wall of the horizontal column 8 gradually decreases towards the central column 10, a sliding column 13 matched with the horizontal column 8 is arranged inside the horizontal column 8, a through hole 14 is formed in one end, close to the filter screen 6, of the horizontal column 8, and an auxiliary hole 15 is formed in the other end of the horizontal column 8.
When the horizontal column 8 enters the air inlet pipe 5, the cleaning rod 12 is pushed to contact the filter screen 6, an impact effect is exerted on the filter screen 6, impurities on the surface of the filter screen 6 drop, and the sliding column 13 is arranged inside the horizontal column 8, so that after the horizontal column 8 stops moving, the sliding column 13 moves towards the direction of the cleaning rod 12 under the action of self inertia force, and after the sliding column 13 moves from one end of the horizontal column 8 to the other end, the other end of the horizontal column 8 is impacted, so that the cleaning rod 12 can be pushed again to play a cleaning role on the filter screen 6, and the cleaning effect is good; in addition, in the moving process of the sliding column 13, the air in the horizontal column 8 is pressed into the air inlet pipe 5, so that the horizontal column 8 can act together, the air pressure of the air in the air inlet pipe 5 is increased, and when the filter screen 6 is completely blocked, the cleaning effect on the filter screen 6 can be improved through the pressurized air; the auxiliary hole 15 can enable gas to enter a space after the sliding column 13 moves, so that the phenomenon that the movement of the sliding column 13 is influenced by a vacuum state is avoided; finally, when the horizontal column 8 returns to the original position, the sliding column 13 slides to the original position along the bottom of the inner wall of the horizontal column 8.
Referring to the attached figure 4 of the specification, one end of the cleaning rod 12 is located inside the horizontal column 8, the driven repelling block 16 is arranged at the end, the middle of the cleaning rod 12 is rotatably connected to the end of the horizontal column 8, a torsion spring is arranged at the rotating connection position, the main repelling block 17 is arranged at the position, close to the bottom, of one end of the sliding column 13, the main repelling block 17 faces the cleaning rod 12, and the top end of the main repelling block 17 is the same as the bottom end of the driven repelling block 16 in polarity; the end part of the cleaning rod 12 is provided with a plurality of rubber balls, and the diameter of each rubber ball is larger than the aperture of the filter screen 6. The rubber ball can play the guard action to filter screen 6, and the rubber ball has certain flexibility simultaneously, can fill in the hole of filter screen 6, releases the impurity of 6 surface blockage of filter screen.
When the horizontal column 8 pushes the cleaning rod 12 to impact the surface of the filter screen 6, the horizontal column 8 stops, then the sliding column 13 moves inside the horizontal column 8, when the main repelling block 17 on the surface of the sliding column 13 is close to the secondary repelling block 16, because the height of the bottom of the inner wall of the horizontal column 8 gradually decreases towards the central column 10, when the main repelling block 17 is close to the secondary repelling block 16, not only the horizontal distance between the two blocks is reduced, but also the vertical distance is reduced, the upward pushing force of the main repelling block 17 on the secondary repelling block 16 can cause one end of the cleaning rod 12 at the secondary repelling block 16 to deflect upwards, the other end of the cleaning rod 12 deflects on the filter screen 6, the cleaning rod 12 can be scraped downwards for a certain distance on the surface of the filter screen 6, the cleaning effect is improved, and because the horizontal column 8 can continue to advance for a certain distance after the deflection of the cleaning rod 12, thereby pushing the cleaning rod 12 to generate the secondary impact effect on the filter screen 6, further improving the cleaning effect of the filter screen 6.
Referring to the attached drawings 2-3 in the specification, a limiting rod 18 is arranged between the central column 10 and the horizontal column 8, the distance between the central column 10 and the horizontal column 8 is the same as the length of the limiting rod 18, the limiting rod 18 is inserted into the surface of the central column 10, a supporting column 19 is inserted into the top of the central column 10, the bottom of the supporting column 19 is a tip, and the limiting rod 18 is located at the tip of the tip.
When playing wind, wind can blow on one side when cartridge 24 inclines, the horizontal post 8 that corresponds this moment can be close to center post 10, plays the extrusion effect to gag lever post 18, and gag lever post 18 can play the effect of pushing up to the bottom of support column 19 to can make support column 19 play the tight effect of supporting to the extraction opening bottom of aspiration pump 4, can make aspiration pump 4 more stable, make the intraoral detecting component of extraction simultaneously more stable, guarantee that subsequent sampling is used.
Referring to the attached drawings 1 and 3 in the specification, the bottom of the shielding cover 2 is provided with an insertion rod 20, the bottom end of the insertion rod 20 is fixedly connected with a limiting disc 21, a vertical cavity 22 is formed in the inner wall of the top of the sampling cylinder 24, the limiting disc 21 is located inside the vertical cavity 22, and the depth of the limiting disc 21 is smaller than that of the vertical cavity 22.
After strong wind weather or birds make cartridge 24 take place to incline, after the external force disappears, the swing takes place in cartridge 24 top, because the existence of vertical chamber 22, can make spacing dish 21 take place to remove to after cartridge 24 swings to the maximum position, shelter from cover 2 receives the effect of inertia and keeps away from cartridge 24.
Referring to the attached figure 2 of the specification, the sealing ring 9 is made of a silica gel material, and lubricating oil is coated on the surface of the sealing ring 9. The sealing ring 9 made of the silica gel material is high in flexibility and good in sealing performance, lubricating oil is coated on the surface of the sealing ring, friction is reduced, and the service life of the sealing ring is prolonged. Referring to the attached figure 1 of the specification, the bottom of the sampling cylinder 24 is hinged with a plurality of adjusting rods 23, the top of the base 1 is provided with a plurality of jacks corresponding to the adjusting rods 23 one by one, and the bottom ends of the adjusting rods 23 are obliquely lapped on the edge of the top of the base 1.
When it was used in other fields, when need not to make cartridge 24 slope, accessible pulling cartridge 24 rose, and vertical spring 3 extends, and regulation pole 23 was in vertical state this moment, loosens cartridge 24 afterwards, and vertical spring 3 recovers, adjusts pole 23 and inserts in the jack, and vertical spring 3 can not incline the deformation this moment to the needs when adaptation in-service use.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a sampling mechanism for environmental monitoring of many imports, includes base (1), sets up at sampling cylinder (24) at base (1) top and sets up in the shield cover (2) at sampling cylinder (24) top, the height of shield cover (2) is by its edge to its central department grow gradually, its characterized in that: a vertical spring (3) is connected between the sampling cylinder (24) and the base (1); an air pump (4) is arranged at the top of the inner side of the sampling cylinder (24), a detection assembly is arranged at an air outlet of the air pump (4), and an air outlet of the air pump (4) vertically penetrates through the sampling cylinder (24) and the shielding cover (2) upwards; a plurality of circumferentially and uniformly distributed air inlet pipes (5) are communicated with the side wall of a sampling cylinder (24), a filter screen (6) is arranged at one end, far away from the sampling cylinder (24), of the air inlet pipe (5), a middle cylinder (7) is arranged at the bottom of the inner wall of the sampling cylinder (24), a plurality of horizontal columns (8) in one-to-one correspondence with the air inlet pipes (5) are inserted into the middle cylinder (7) in a penetrating mode, a sealing ring (9) is sleeved on the outer side of each horizontal column (8), a central column (10) is arranged inside the middle cylinder (7), a horizontal spring (11) is arranged between each central column (10) and each horizontal column (8), a cleaning rod (12) is arranged at one end, far away from the horizontal spring (11), of each horizontal column (8), and one end of each cleaning rod (12) is located inside the air inlet pipe (5) and close to the filter screen (6).
2. The multi-inlet sampling mechanism for environmental monitoring of claim 1, wherein: horizontal post (8) cavity setting, the height of horizontal post (8) inner wall bottom reduces gradually to center post (10) department gradually, and horizontal post (8) inside is provided with rather than assorted slip post (13), and horizontal post (8) are close to the one end of filter screen (6) and begin to have through-hole (14), and auxiliary hole (15) have been seted up to the other end of horizontal post (8).
3. The multi-inlet sampling mechanism for environmental monitoring of claim 2, wherein: inside clearance pole (12) one end was located horizontal post (8), and this end is provided with from repelling piece (16), and rotation connection is in horizontal post (8) tip department in clearance pole (12) middle part to be provided with the torsional spring in the rotation connection department, the position department that slip post (13) one end is close to the bottom is provided with mainly repels piece (17), mainly repels piece (17) towards clearance pole (12), mainly repels piece (17) top and from repelling piece (16) bottom polarity the same.
4. The multi-inlet sampling mechanism for environmental monitoring of claim 3, wherein: the end part of the cleaning rod (12) is provided with a plurality of rubber balls, and the diameter of each rubber ball is larger than the aperture of the filter screen (6).
5. The multi-inlet sampling mechanism for environmental monitoring of claim 4, wherein: be provided with gag lever post (18) between center post (10) and horizontal post (8), the distance between center post (10) and horizontal post (8) is the same with the length of gag lever post (18), and gag lever post (18) pegs graft in center post (10) surface, and center post (10) top is inserted and is equipped with support column (19), and support column (19) bottom is most advanced, and gag lever post (18) are located most advanced point portion department.
6. The multi-inlet sampling mechanism for environmental monitoring of claim 5, wherein: the bottom of the shielding cover (2) is provided with an insertion rod (20), the bottom end of the insertion rod (20) is fixedly connected with a limiting disc (21), a vertical cavity (22) is formed in the inner wall of the top of the sampling cylinder (24), the limiting disc (21) is located inside the vertical cavity (22), and the depth of the limiting disc (21) is smaller than that of the vertical cavity (22).
7. The multi-inlet sampling mechanism for environmental monitoring of claim 6, wherein: the sealing ring (9) is made of silica gel material, and lubricating oil is smeared on the surface of the sealing ring (9).
8. The multi-inlet sampling mechanism for environmental monitoring of claim 7, wherein: a plurality of adjusting rods (23) are hinged to the bottom of the sampling cylinder (24), a plurality of jacks corresponding to the adjusting rods (23) one to one are formed in the top of the base (1), and the bottom ends of the adjusting rods (23) are obliquely lapped on the edge of the top of the base (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111285504.9A CN113720661B (en) | 2021-11-02 | 2021-11-02 | Multi-inlet sampling mechanism for environmental monitoring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111285504.9A CN113720661B (en) | 2021-11-02 | 2021-11-02 | Multi-inlet sampling mechanism for environmental monitoring |
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| CN113720661A true CN113720661A (en) | 2021-11-30 |
| CN113720661B CN113720661B (en) | 2022-02-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114814116A (en) * | 2022-05-25 | 2022-07-29 | 深圳市世邦环境科技有限公司 | Accurate real-time detection equipment for environment Volatile Organic Compounds (VOCS) |
| CN115432305A (en) * | 2022-10-20 | 2022-12-06 | 国营江苏省东海种畜场 | Portable sampling box for detecting quality safety of agricultural products |
| CN115825050A (en) * | 2022-11-18 | 2023-03-21 | 徐州锦程环保设备有限公司 | Air detection device for environmental monitoring |
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| CN106482989A (en) * | 2016-08-15 | 2017-03-08 | 浙江宏泰工程项目管理有限公司 | Iolation type room air detects sample collecting device |
| US20180045619A1 (en) * | 2016-08-15 | 2018-02-15 | Veltek Associates, Inc. | Portable air sampler |
| CN210322796U (en) * | 2019-07-10 | 2020-04-14 | 姚剑 | Livestock and poultry breeding environmental pollution detection device |
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| US6230573B1 (en) * | 1999-05-07 | 2001-05-15 | Drager Sicherheitstechnik Gmbh | Device for sampling gas |
| CN103616262A (en) * | 2013-11-21 | 2014-03-05 | 青岛殖富园机械有限公司 | Poultry farm air collecting device |
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| CN115825050B (en) * | 2022-11-18 | 2023-11-14 | 徐州锦程环保设备有限公司 | Air detection device for environmental monitoring |
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| Publication number | Publication date |
|---|---|
| CN113720661B (en) | 2022-02-08 |
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