CN215574077U - Atmospheric particulates sampling device for environmental monitoring - Google Patents
Atmospheric particulates sampling device for environmental monitoring Download PDFInfo
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- CN215574077U CN215574077U CN202121012180.7U CN202121012180U CN215574077U CN 215574077 U CN215574077 U CN 215574077U CN 202121012180 U CN202121012180 U CN 202121012180U CN 215574077 U CN215574077 U CN 215574077U
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Abstract
The utility model relates to the technical field of environmental monitoring, in particular to an atmospheric particulate sampling device for environmental monitoring, wherein a sampling filter membrane is fixed on a fixing mechanism, the fixing mechanism is transversely arranged in a sampling box, an opening which corresponds to the fixing mechanism is formed in the front side of the sampling box, one end of the fixing mechanism penetrates through the opening and extends outwards, an air guide pipe is communicated with the upper side of the sampling box, an air inlet box is communicated with one end of the air guide pipe, which is far away from the sampling box, and air inlets which are arranged in a surrounding mode at equal intervals are formed in the side wall of the air inlet box. According to the sampling device, the exhaust mechanism and the sampling filter membrane are arranged, external air is forcibly sucked into the sampling box, and particulate matters are collected through the sampling filter membrane, so that the sampling effect is good, the sampling filter membrane can be clamped and fixed by the fixing mechanism, the operation is simple, manpower is saved, the sampling efficiency is improved, the clamping is firm, the sampling filter membrane is prevented from being deviated, and the stability of sampling work is ensured.
Description
Technical Field
The utility model relates to the technical field of environmental monitoring, in particular to an atmospheric particulate sampling device for environmental monitoring.
Background
Environmental monitoring, refer to the activity that environmental monitoring mechanism monitored and determined the environmental quality situation, environmental monitoring is through monitoring and determining the index that reflects environmental quality, with the height of confirming environmental pollution situation and environmental quality, environmental monitoring's content mainly includes the monitoring of physical index, the monitoring of chemical index and ecosystem, atmospheric particulates sample thief is one of the instrument that environmental monitoring is commonly used, its leading principle is through setting up air inlet structure, with the air guide filter membrane, the particulate matter in the filter membrane is held back with the air, then carry out follow-up research to the particulate matter of gathering on the filter membrane, thereby know environmental condition and change.
The existing atmospheric particulate sampling device for environmental monitoring does not have an effective fixed structure for a sampling filter membrane, when sampling, the filter membrane easily generates offset, the sampling effect is influenced, the filter membrane is inconvenient to take and place and replace, the operation steps are complex, manpower is wasted, and the sampling efficiency is influenced. Therefore, the technical personnel in the field provide an atmospheric particulate sampling device for environmental monitoring to solve the problems in the background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an atmospheric particulate sampling device for environment monitoring, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the atmospheric particulate sampling device for environmental monitoring comprises a sampling box, a sampling filter membrane and a fixing mechanism for fixing the sampling filter membrane, wherein the sampling filter membrane is fixed on the fixing mechanism, the fixing mechanism is transversely arranged in the sampling box, an opening which is arranged corresponding to the fixing mechanism is arranged on the front side of the sampling box, one end of the fixing mechanism penetrates through the opening and extends outwards, an air guide pipe is communicated with the upper side of the sampling box, an air inlet box is communicated with one end of the air guide pipe, which is far away from the sampling box, an air inlet which is arranged in an equidistant surrounding mode is arranged on the side wall of the air inlet box, an air exhaust pipe is communicated with the bottom of the sampling box, and an air exhaust mechanism is fixedly connected in the air exhaust pipe;
the fixing mechanism comprises a first rectangular frame and a second rectangular frame which are transversely arranged, the first rectangular frame is located right above the second rectangular frame, the sampling filter membrane is located between the first rectangular frame and the second rectangular frame, two sliding cavities which are symmetrically arranged are respectively formed in side walls of two sides of the second rectangular frame, a sliding block is connected to each sliding cavity in a sliding mode, a sliding rod is vertically arranged on the upper side of the sliding block in a fixedly connected mode, the upper side of the sliding block is fixedly connected with the inner wall of each sliding cavity through a reset spring, the reset spring is sleeved on the sliding rod, and one end, far away from the sliding block, of the sliding rod penetrates through the outer side of the sliding cavity and is fixedly connected with the first rectangular frame.
As a still further scheme of the utility model: the exhaust mechanism comprises support rods symmetrically fixed on the inner walls of two sides of the exhaust cylinder, one end of each support rod close to the other end of each support rod is fixedly connected with a driving motor, and a main shaft end of each driving motor is fixedly connected with a wind impeller.
As a still further scheme of the utility model: one side of sampling case fixedly connected with control switch and storage battery respectively, storage battery and exhaust mechanism's one end respectively with control switch electric connection.
As a still further scheme of the utility model: the upper side of the second rectangular frame is provided with a sliding hole communicated with the sliding cavity, the sliding rod penetrates through the sliding hole, and the inner wall of the sliding hole is connected with the outer side wall of the sliding rod in a sliding mode.
As a still further scheme of the utility model: and a concave handle is fixedly connected to one side of the second rectangular frame outside the opening.
As a still further scheme of the utility model: the upside center department fixedly connected with of sampling box links up the pole, and links up the one end fixedly connected with mounting panel that the pole kept away from the sampling box.
As a still further scheme of the utility model: and the inner wall of the air inlet and the side wall of the opening end of the air exhaust cylinder, which is far away from the sampling box, are fixedly connected with a steel wire blocking net.
Compared with the prior art, the utility model has the beneficial effects that:
1. through setting up exhaust mechanism and sampling filter membrane, start driving motor work, it is rotatory to drive the fan wheel, produce wind-force suction, produce the negative pressure in making the air inlet box, in the outside air was forced to be inhaled the air inlet box by the air inlet, in the leading-in sampling box of air duct, the air sees through the sampling filter membrane, detains the particulate matter in the air on the sampling filter membrane, the air current is discharged through the exhaust wind tube, carry out the collection of particulate matter, the sampling effect is good, and simple structure, low in manufacturing cost.
2. Through setting up fixed establishment, separate first rectangle frame and second rectangle frame, at this moment, the slide bar drives the slider and slides in smooth chamber, reset spring receives the extrusion shrink of slider and produces elasticity, and simultaneously, the sampling filter membrane loses the restriction, can take out the sampling filter membrane, the sampling filter membrane of renewal, then, loosen first rectangle frame, reset spring is because elastic action this moment, carry out the centre gripping with first rectangle frame and the automatic laminating of second rectangle frame to the sampling filter membrane and fix, moreover, the steam generator is simple in operation, save manpower, improve sampling efficiency, and the centre gripping is firm, prevent the skew of sampling filter membrane, guarantee the stability of sampling work.
Drawings
FIG. 1 is a schematic perspective view of an atmospheric particulate sampling device for environmental monitoring;
FIG. 2 is a schematic diagram of a front sectional view of a sampling box of the atmospheric particulate sampling device for environmental monitoring;
FIG. 3 is an enlarged schematic structural diagram of a part A of FIG. 2 in the atmospheric particulate sampling device for environmental monitoring;
fig. 4 is a schematic perspective view of a first rectangular frame and a first rectangular frame in an atmospheric particulate sampling device for environmental monitoring.
In the figure: 1. a sampling box; 2. sampling a filter membrane; 3. an opening; 4. an air duct; 5. an air intake box; 6. an air inlet; 7. an exhaust duct; 8. a first rectangular frame; 9. a second rectangular frame; 10. a slide chamber; 11. a slider; 12. a slide bar; 13. a return spring; 14. a support bar; 15. a drive motor; 16. a wind impeller; 17. a control switch; 18. a battery pack; 19. a concave handle; 20. a connecting rod; 21. mounting a plate; 22. a steel wire blocking net.
Detailed Description
Referring to fig. 1 to 4, in the embodiment of the present invention, an atmospheric particulate sampling device for environmental monitoring includes a sampling box 1, a sampling filter membrane 2 and a fixing mechanism for fixing the sampling filter membrane 2, the sampling filter membrane 2 is fixed on the fixing mechanism, the fixing mechanism is transversely disposed in the sampling box 1, an opening 3 corresponding to the fixing mechanism is disposed at the front side of the sampling box 1, and one end of the fixing mechanism penetrates through the opening 3 and extends outward, so as to be convenient for pulling out and inserting into the fixing mechanism, the upper side of the sampling box 1 is communicated with an air duct 4, one end of the air duct 4 far away from the sampling box 1 is communicated with an air inlet box 5, the side wall of the air inlet box 5 is provided with air inlets 6 arranged around at equal intervals, the bottom of the sampling box 1 is communicated with an air exhaust barrel 7, and an air exhaust mechanism is fixedly connected in the air exhaust barrel 7, so that negative pressure is generated in the air inlet box 5 by the air exhaust mechanism, the external air is forcibly sucked into the air inlet box 5 from the air inlet 6 and is guided into the sampling box 1 through the air guide pipe 4, the air penetrates through the sampling filter membrane 2, particulate matters in the air are trapped on the sampling filter membrane 2, and the air flow is discharged through the air discharge pipe 7 to collect the particulate matters, so that the sampling effect is good, the structure is simple, and the manufacturing cost is low;
the fixing mechanism comprises a first rectangular frame 8 and a second rectangular frame 9 which are transversely arranged, the first rectangular frame 8 is positioned right above the second rectangular frame 9, the sampling filter membrane 2 is positioned between the first rectangular frame 8 and the second rectangular frame 9, two sliding cavities 10 which are symmetrically arranged are respectively arranged in the side walls of two sides of the second rectangular frame 9, a sliding block 11 is connected in the sliding cavity 10 in a sliding manner, a vertically arranged sliding rod 12 is fixedly connected to the upper side of the sliding block 11, the upper side of the sliding block 11 is fixedly connected with the inner wall of the sliding cavity 10 through a return spring 13, the return spring 13 is sleeved on the sliding rod 12, one end, far away from the sliding block 11, of the sliding rod 12 penetrates through the outer side of the sliding cavity 10 and is fixedly connected with the first rectangular frame 8 to separate the first rectangular frame 8 from the second rectangular frame 9, at the moment, the sliding rod 12 drives the sliding block 11 to slide in the sliding cavity 10, and the return spring 13 is extruded and contracted by the sliding block 11 to generate elasticity, meanwhile, the sampling filter membrane 2 is out of limit, the sampling filter membrane 2 can be taken out, a new sampling filter membrane 2 is replaced, then the first rectangular frame 8 is loosened, and the reset spring 13 automatically attaches the first rectangular frame 8 and the second rectangular frame 9 to clamp and fix the sampling filter membrane 2 due to the elastic force effect, so that the operation is simple, the labor is saved, the sampling efficiency is improved, the clamping is firm, the sampling filter membrane 2 is prevented from deviating, and the stability of the sampling work is ensured;
in fig. 2: the air exhaust mechanism comprises support rods 14 symmetrically fixed on the inner walls of the two sides of the air exhaust barrel 7, one end of each of the two support rods 14 close to each other is fixedly connected with a driving motor 15, a main shaft end of each driving motor 15 is fixedly connected with an air impeller 16, and the driving motor 15 is started to work to drive the air impeller 16 to rotate so as to generate wind power suction;
in fig. 1: one side of the sampling box 1 is fixedly connected with a control switch 17 and a storage battery pack 18 respectively, one end of the storage battery pack 18 and one end of the exhaust mechanism are electrically connected with the control switch 17 respectively, the storage battery pack 18 provides electric output, and the sampling box is more convenient to carry and use and is the prior art;
in fig. 3: a sliding hole communicated with the sliding cavity 10 is formed in the upper side of the second rectangular frame 9, the sliding rod 12 penetrates through the sliding hole, and the inner wall of the sliding hole is in sliding connection with the outer side wall of the sliding rod 12, so that the sliding rod 12 can slide and move conveniently;
in fig. 4: a concave handle 19 is fixedly connected to one side of the second rectangular frame 9 positioned outside the opening 3, so that the fixing mechanism can be conveniently pulled;
in fig. 1: the center of the upper side of the sampling box 1 is fixedly connected with a joint rod 20, and one end of the joint rod 20, which is far away from the sampling box 1, is fixedly connected with a mounting plate 21, so that the device is convenient to mount and fix;
in fig. 1: the inner wall of the air inlet 6 and the side wall of the opening end of the air exhaust cylinder 7 far away from the sampling box 1 are fixedly connected with a steel wire blocking net 22 to prevent external winged insects and sundries from entering the sampling box 1.
The working principle of the utility model is as follows: when the device is used for sampling atmospheric particles, the driving motor 15 is started to work to drive the fan impeller 16 to rotate to generate wind power suction force, so that negative pressure is generated in the air inlet box 5, outside air is forcibly sucked into the air inlet box 5 through the air inlet 6 and is guided into the sampling box 1 through the air guide pipe 4, the air penetrates through the sampling filter membrane 2 to retain the particles in the air on the sampling filter membrane 2, and air flow is discharged through the air discharge pipe 7 to collect the particles;
when the sampling filter membrane 2 needs to be taken down and replaced, the fixing mechanism is pulled out of the sampling box 1 through the opening 3 only by pulling the concave handle 19, then the first rectangular frame 8 and the second rectangular frame 9 are separated, at the moment, the slide rod 12 drives the slide block 11 to slide in the slide cavity 10, the reset spring 13 generates elastic force by extrusion and contraction of the slide block 11, meanwhile, the sampling filter membrane 2 is out of limit, the sampling filter membrane 2 can be taken out, a new sampling filter membrane 2 is replaced, then the first rectangular frame 8 is loosened, at the moment, the reset spring 13 clamps and fixes the sampling filter membrane 2 by automatically attaching the first rectangular frame 8 and the second rectangular frame 9 due to the elastic force, the operation is simple, manpower is saved, the sampling efficiency is improved, the clamping is firm, the sampling filter membrane 2 is prevented from deviating, and the stability of sampling work is guaranteed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. An atmospheric particulate sampling device for environmental monitoring comprises a sampling box (1), a sampling filter membrane (2) and a fixing mechanism for fixing the sampling filter membrane (2), it is characterized in that the sampling filter membrane (2) is fixed on a fixing mechanism which is transversely arranged in the sampling box (1), an opening (3) which is arranged corresponding to the fixing mechanism is arranged on the front side of the sampling box (1), one end of the fixing mechanism penetrates through the opening (3) and extends outwards, the upper side of the sampling box (1) is communicated with a gas guide pipe (4), and one end of the air duct (4) far away from the sampling box (1) is communicated with an air inlet box (5), the side wall of the air inlet box (5) is provided with air inlets (6) which are arranged in a surrounding way at equal intervals, an air exhaust barrel (7) is communicated with the bottom of the sampling box (1), and an air exhaust mechanism is fixedly connected in the air exhaust barrel (7);
the fixing mechanism comprises a first rectangular frame (8) and a second rectangular frame (9) which are transversely arranged, the first rectangular frame (8) is positioned right above the second rectangular frame (9), the sampling filter membrane (2) is positioned between the first rectangular frame (8) and the second rectangular frame (9), two sliding cavities (10) which are symmetrically arranged are respectively arranged on the side walls of the two sides of the second rectangular frame (9), a sliding block (11) is connected in the sliding cavity (10) in a sliding way, and the upper side of the sliding block (11) is fixedly connected with a vertically arranged sliding rod (12), the upper side of the sliding block (11) is fixedly connected with the inner wall of the sliding cavity (10) through a return spring (13), and the return spring (13) is sleeved on the sliding rod (12), and one end of the sliding rod (12), which is far away from the sliding block (11), penetrates through the outer side of the sliding cavity (10) and is fixedly connected with the first rectangular frame (8).
2. The atmospheric particulate sampling device for environmental monitoring according to claim 1, wherein the exhaust mechanism comprises support rods (14) symmetrically fixed on the inner walls of the two sides of the exhaust barrel (7), one end of the two support rods (14) close to each other is fixedly connected with a driving motor (15), and a main shaft end of the driving motor (15) is fixedly connected with a wind impeller (16).
3. The atmospheric particulate sampling device for environmental monitoring according to claim 1, wherein one side of the sampling box (1) is fixedly connected with a control switch (17) and a storage battery (18) respectively, and one end of the storage battery (18) and one end of the air exhaust mechanism are electrically connected with the control switch (17) respectively.
4. The atmospheric particulate sampling device for environmental monitoring according to claim 1, wherein a slide hole communicated with the slide cavity (10) is formed in the upper side of the second rectangular frame (9), the slide rod (12) penetrates through the slide hole, and the inner wall of the slide hole is slidably connected with the outer side wall of the slide rod (12).
5. The atmospheric particulate sampling device for environmental monitoring according to claim 1, characterized in that a concave handle (19) is fixedly connected to one side of the second rectangular frame (9) outside the opening (3).
6. The atmospheric particulate sampling device for environmental monitoring according to claim 1, wherein a joint rod (20) is fixedly connected to the center of the upper side of the sampling box (1), and a mounting plate (21) is fixedly connected to one end, far away from the sampling box (1), of the joint rod (20).
7. The atmospheric particulate sampling device for environmental monitoring according to claim 1, wherein the inner wall of the air inlet (6) and the side wall of the opening end of the exhaust barrel (7) far away from the sampling box (1) are both fixedly connected with a steel wire barrier net (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121012180.7U CN215574077U (en) | 2021-05-12 | 2021-05-12 | Atmospheric particulates sampling device for environmental monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121012180.7U CN215574077U (en) | 2021-05-12 | 2021-05-12 | Atmospheric particulates sampling device for environmental monitoring |
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| Publication Number | Publication Date |
|---|---|
| CN215574077U true CN215574077U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121012180.7U Expired - Fee Related CN215574077U (en) | 2021-05-12 | 2021-05-12 | Atmospheric particulates sampling device for environmental monitoring |
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| CN (1) | CN215574077U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577524A (en) * | 2022-02-21 | 2022-06-03 | 中国科学院水生生物研究所 | Cartridge magazine type filter membrane replacing device and system based on automatic return for environmental DNA sampling |
| CN118392587A (en) * | 2024-04-24 | 2024-07-26 | 中国环境监测总站 | Automatic sample preparation device of ambient air particulate matter sampling filter membrane |
| CN118620719A (en) * | 2024-08-15 | 2024-09-10 | 青岛英赛特生物科技有限公司 | Air microorganism sampling and detecting integrated device |
-
2021
- 2021-05-12 CN CN202121012180.7U patent/CN215574077U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577524A (en) * | 2022-02-21 | 2022-06-03 | 中国科学院水生生物研究所 | Cartridge magazine type filter membrane replacing device and system based on automatic return for environmental DNA sampling |
| CN114577524B (en) * | 2022-02-21 | 2024-03-12 | 中国科学院水生生物研究所 | Cartridge filter replacement device and system for environmental DNA sampling |
| CN118392587A (en) * | 2024-04-24 | 2024-07-26 | 中国环境监测总站 | Automatic sample preparation device of ambient air particulate matter sampling filter membrane |
| CN118620719A (en) * | 2024-08-15 | 2024-09-10 | 青岛英赛特生物科技有限公司 | Air microorganism sampling and detecting integrated device |
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Granted publication date: 20220118 |