CN212780166U - Atmospheric sampling device - Google Patents
Atmospheric sampling device Download PDFInfo
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- CN212780166U CN212780166U CN202021589649.9U CN202021589649U CN212780166U CN 212780166 U CN212780166 U CN 212780166U CN 202021589649 U CN202021589649 U CN 202021589649U CN 212780166 U CN212780166 U CN 212780166U
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Abstract
The utility model discloses an atmospheric sampling device, include: the sampling box body is fixed on the ground through a tripod; the first sampling pump is fixedly arranged inside the sampling box body; the sampling pipe is communicated with a sampling gas inlet of the first sampling pump; the second sampling pump is fixedly arranged inside the sampling box body; the TSP sampling head is communicated with the second sampling pump; and the storage battery is connected with the first sampling pump and the second sampling pump to provide electric energy. Sampling device sets up through the cooperation of first sampling pump, sampling pipe, second sampling pump and TSP sampling head, makes atmosphere sampling device has the function of TSP sampling and container sampling concurrently, has improved the efficiency of sampling.
Description
Technical Field
The utility model relates to a gaseous sampling device technical field, concretely relates to atmospheric sampling device.
Background
Atmospheric sampling refers to a method for collecting sample air or polluted air samples in the atmosphere, and the collection method is a method for gathering pollutants with lower concentration in the atmosphere by enabling a large amount of air to pass through a liquid absorbent or a solid adsorbent, such as an air suction method and a filter membrane method. Another type is to collect the air containing the contaminants with containers (glass bottles, plastic bags, etc.).
In the actual sampling process, the air sample is detected, and usually, the air sample needs to be collected by adopting an absorbent or adsorbent and a container, so that two sets of collecting equipment need to be arranged in the sampling process, and the sampling efficiency is reduced.
For example, chinese utility model patent application No. CN201921064367.4 discloses a novel atmosphere sampling instrument, including atmosphere sampling instrument body, switch, power cord interface, display screen, control key, flowmeter, flow knob, handle, gas outlet, pipe, prevent suck-back bottle, supporting legs and safety cover device, atmosphere sampling instrument body rear end is provided with switch and power cord interface, atmosphere sampling instrument body front end is provided with display screen, control key and flowmeter, the flowmeter bottom is provided with the flow knob, handle bottom and atmosphere sampling instrument body fixed connection, atmosphere sampling instrument body top is provided with the gas outlet, safety cover device bottom and atmosphere sampling instrument body pass through bolt fastening, safety cover device internal surface closely laminates with prevent suck-back bottle, the safety cover device is by installation shell, mounting hole, safety cover device, Sliding sleeve, bolt, rocking arm, hoop cover, protection pad, first spring and power supply mechanism constitute, the installation shell bottom is provided with the circular shape mounting hole, installation shell top inboard and sliding sleeve sliding connection, the sliding sleeve passes through bolt and rocking arm middle part normal running fit, rocking arm top and hoop cover fixed connection, the hoop cover internal surface bonds fixedly through glue with the protection pad, first spring one end closely laminates with the hoop cover, and the other end is connected with sliding sleeve internal surface fixed, power supply mechanism sets up both ends around the installation shell is inboard, the installation shell bottom passes through the bolt fastening with the atmosphere sampling appearance body, protection pad internal surface is hugged closely in preventing suck-back bottle surface.
The prior art discloses a novel atmospheric sampling instrument, and in the actual application process, the technical problems as described above exist.
Based on the above-mentioned technical problem that prior art exists, the utility model provides an atmosphere sampling device.
SUMMERY OF THE UTILITY MODEL
The utility model provides an atmosphere sampling device adopts two sets of sampling pumps to adsorb respectively and gathers and the container sampling, has improved the efficiency of atmosphere sampling.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an atmospheric sampling device comprising:
the sampling box body is fixed on the ground through a tripod;
the first sampling pump is fixedly arranged inside the sampling box body;
the sampling pipe is communicated with a sampling gas inlet of the first sampling pump;
the second sampling pump is fixedly arranged inside the sampling box body;
the TSP sampling head is communicated with the second sampling pump;
and the storage battery is connected with the first sampling pump and the second sampling pump to provide electric energy.
Further, first sampling pump still communicates there are first intake pipe and gas delivery pipe, first intake pipe pass through universal joint communicate in the sampling pipe, gas delivery pipe communicates in sampling gas storage bag.
Furthermore, the second sampling pump is also communicated with a second air inlet pipe and a second air outlet pipe, the second sampling pump is communicated with the TSP sampling head through the second air inlet pipe, and the second air outlet pipe discharges air sucked by the second sampling pump.
Furthermore, a first flow meter and a first flow control valve are arranged on the first air inlet pipe.
Furthermore, a second flowmeter and a second flow control valve are arranged on the second air inlet pipe.
Further, universal joint includes staple bolt, first joint, second joint and spherical axle, the staple bolt communicate in the first joint, the first joint communicate in the sampling pipe, the setting that the spherical axle can rotate is in the staple bolt, the spherical axle pass through the second joint communicate in first intake pipe, the spherical axle is equipped with the through-hole that makes gas pass through.
Further, TSP sampling head is including the lower cone, sealed pad, filter membrane clamp and filter membrane, clamping ring and the protection casing that cooperate the connection in proper order.
Further, the atmosphere sampling device is still including setting up the rain-proof lid above the TSP sampling head, the bottom mounting of rain-proof lid is in on the sampling box.
Furthermore, the atmosphere sampling device also comprises a sampling head fixing sleeve arranged around the TSP sampling head.
Compared with the prior art, the utility model discloses a superior effect lies in:
atmospheric sampling device, through the cooperation setting of first sampling pump, sampling pipe, second sampling pump and TSP sampling head, make atmospheric sampling device has the function of TSP sampling and container sampling concurrently, has improved the efficiency of sampling.
Drawings
Fig. 1 is a schematic structural diagram of an atmospheric sampling device in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a universal joint according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a TSP sampling head in an embodiment of the present invention.
In the figure: 1-sampling box body, 11-tripod, 2-first sampling pump, 21-first air inlet pipe, 211-first flow meter, 212-first flow control valve, 22-gas delivery pipe, 23-sampling gas storage bag, 3-sampling pipe, 4-second sampling pump, 41-second air inlet pipe, 411-second flow meter, 412-second flow control valve, 42-second exhaust pipe, 5-TSP sampling head, 51-lower cone, 52-sealing gasket, 53-filter membrane clamp, 531-upper cover, 532-air permeable plate, 54-filter membrane, 55-pressure ring, 56-protective cover, 6-storage battery, 7-universal joint, 71-hoop, 72-first joint, 73-second joint, 74-spherical shaft, V-shaped shaft, 8-rain cover, 9-fixing sleeve.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention is made in conjunction with the accompanying drawings and the detailed description, it is to be noted that the features of the embodiments and examples of the present invention may be combined with each other without conflict.
Example 1
As shown in fig. 1, an atmospheric sampling device includes:
a sampling box body 1 fixed on the ground through a tripod 11 for collecting the atmosphere;
the first sampling pump 2 is fixedly arranged in the sampling box body 1 and is fixed on one side wall in the sampling box body 1 through a screw;
the sampling pipe 3 is communicated with a sampling gas inlet of the first sampling pump 2, and sampling gas enters the first sampling pump 2 through the sampling pipe 3;
the second sampling pump 4 is fixedly arranged in the sampling box body 1 and is fixed on the other side wall in the sampling box body 1 through a screw;
the TSP sampling head 5 is communicated with the second sampling pump 4;
and the storage battery 6 is connected with the first sampling pump 2 and the second sampling pump 4 to provide electric energy.
The first sampling pump 2 is also communicated with a first air inlet pipe 21 and a gas conveying pipe 22, the first air inlet pipe 21 is communicated with the sampling pipe 3 through a universal joint 7, and the gas conveying pipe 22 is communicated with a sampling gas storage bag 23.
The second sampling pump 4 is further communicated with a second air inlet pipe 41 and a second air outlet pipe 42, the second sampling pump 4 is communicated with the TSP sampling head 5 through the second air inlet pipe 41, and the second air outlet pipe 42 discharges the gas sucked by the second sampling pump 4.
The first intake pipe 21 is provided with a first flow meter 211 and a first flow control valve 212, and the first intake pipe 21 obtains flow data of the intake gas according to the first flow meter 211, adjusts the opening degree of the first flow control valve 212 according to the flow data, and adjusts the flow rate of the intake gas entering the first sampling pump 2.
The second air inlet pipe 41 is provided with a second flow meter 411 and a second flow control valve 412, flow data of the inlet air is obtained according to the second flow meter 411, the opening degree of the second flow control valve 412 is adjusted according to the flow data, and the flow entering the second sampling pump 4 is adjusted.
In the present embodiment, in order to facilitate adjustment of the intake air amount, speed-adjustable motors are used for the second sampling pump 4 and the first sampling pump 2.
As shown in fig. 2, the universal joint 7 includes an anchor ear 71, a first joint 72, a second joint 73, and a spherical shaft 74, the anchor ear 71 is communicated with the first joint 72, the first joint 72 is communicated with the sampling tube 3, the spherical shaft 74 is rotatably disposed in the anchor ear 71, the spherical shaft is communicated with the first air inlet tube 21 through the second joint 73, and the spherical shaft 74 is provided with a through hole for allowing air to pass therethrough.
In order to ensure the sealing performance between the spherical shaft 74 and the anchor ear 71, a sealing ring is further arranged between the spherical shaft 74 and the anchor ear 71.
In this embodiment, the universal joint 7 can be used to adjust the sampling direction and position of the sampling head of the sampling tube 3 by manual adjustment.
As shown in fig. 3, the TSP sampling head 5 includes a lower cone 51, a sealing gasket 52, a filter membrane clamp 53, a filter membrane 54, a pressure ring 55 and a shield 56, which are sequentially coupled, wherein the filter membrane clamp 53 includes an upper cover 531 and a permeable plate 532, the filter membrane 54 is disposed between the upper cover 531 and the permeable plate 532, the pressure ring 55 is hermetically coupled to the lower cone 51 via the sealing gasket 52, the filter membrane clamp 53 is disposed between the pressure ring 55 and the lower cone 51, and the shield 56 surrounds the pressure ring 55.
In the present embodiment, the lower cone 51 and the second intake pipe 41 are connected by a screw thread.
For preventing rain, the atmosphere sampling device is still including setting up the rain-proof lid 8 of TSP sampling head 5 top, the bottom mounting of rain-proof lid 8 is in on the sampling box 1.
In the actual use, TSP sampling head 5 easily produces and rocks, in order to avoid rocking, atmosphere sampling device still includes the fixed cover 9 of sampling head that sets up in TSP sampling head 5 is around, the internal diameter of fixed cover 9 is greater than the external diameter of TSP sampling head 5 is in order to carry on spacingly to TSP sampling head 5.
The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. An atmospheric sampling device, comprising:
the sampling box body is fixed on the ground through a tripod;
the first sampling pump is fixedly arranged inside the sampling box body;
the sampling pipe is communicated with a sampling gas inlet of the first sampling pump;
the second sampling pump is fixedly arranged inside the sampling box body;
the TSP sampling head is communicated with the second sampling pump;
and the storage battery is connected with the first sampling pump and the second sampling pump to provide electric energy.
2. The atmosphere sampling device according to claim 1, wherein the first sampling pump is further communicated with a first air inlet pipe and a gas delivery pipe, the first air inlet pipe is communicated with the sampling pipe through a universal joint, and the gas delivery pipe is communicated with a sampling gas storage bag.
3. The atmosphere sampling device according to claim 1, wherein the second sampling pump is further communicated with a second intake pipe and a second exhaust pipe, the second sampling pump is communicated with the TSP sampling head through the second intake pipe, and the second exhaust pipe exhausts gas sucked by the second sampling pump.
4. The atmospheric sampling device of claim 2, wherein a first flow meter and a first flow control valve are provided on the first intake pipe.
5. The atmospheric sampling device of claim 3, wherein a second flow meter and a second flow control valve are provided on the second intake pipe.
6. The atmospheric sampling device of claim 2, wherein the universal joint comprises a hoop, a first joint, a second joint and a spherical shaft, the hoop is communicated with the first joint, the first joint is communicated with the sampling tube, the spherical shaft is rotatably arranged in the hoop, the spherical shaft is communicated with the first air inlet tube through the second joint, and the spherical shaft is provided with a through hole for allowing air to pass through.
7. The atmosphere sampling device according to claim 3, wherein the TSP sampling head comprises a lower cone, a sealing gasket, a filter membrane clamp, a filter membrane, a pressure ring and a protective cover which are sequentially matched and connected.
8. The atmospheric sampling device of claim 7, further comprising a rain cover disposed above the TSP sampling head, wherein a bottom end of the rain cover is fixed to the sampling box.
9. The atmospheric sampling device of claim 8, further comprising a sampling head retention sleeve disposed about the TSP sampling head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021589649.9U CN212780166U (en) | 2020-08-04 | 2020-08-04 | Atmospheric sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021589649.9U CN212780166U (en) | 2020-08-04 | 2020-08-04 | Atmospheric sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN212780166U true CN212780166U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021589649.9U Active CN212780166U (en) | 2020-08-04 | 2020-08-04 | Atmospheric sampling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075367A (en) * | 2021-03-30 | 2021-07-06 | 南京晶莹环境检测科技有限公司 | Pollution source monitoring data analysis system based on Internet of things |
| CN114594214A (en) * | 2022-03-10 | 2022-06-07 | 中国汽车工程研究院股份有限公司 | Fuel cell automobile exhaust sampling and detecting equipment |
-
2020
- 2020-08-04 CN CN202021589649.9U patent/CN212780166U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075367A (en) * | 2021-03-30 | 2021-07-06 | 南京晶莹环境检测科技有限公司 | Pollution source monitoring data analysis system based on Internet of things |
| CN114594214A (en) * | 2022-03-10 | 2022-06-07 | 中国汽车工程研究院股份有限公司 | Fuel cell automobile exhaust sampling and detecting equipment |
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