CN212932096U

CN212932096U - Portable air sampling device

Info

Publication number: CN212932096U
Application number: CN202021981816.4U
Authority: CN
Inventors: 曹炜群
Original assignee: Zhongqian Jiangsu Testing Technology Service Co ltd
Current assignee: Zhongqian Jiangsu Testing Technology Service Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-09
Anticipated expiration: 2030-09-11

Abstract

The utility model relates to an air sampling technical field just discloses portable air sampling device, the load simulator comprises a case, the inside fixed mounting of machine case has the air pump, the input intercommunication of air pump has the inlet manifold that one end extends to quick-witted case top, the inlet manifold keeps away from the one end fixed connection air inlet cover of air pump, the output intercommunication of air pump has one end to extend to the positive first flowmeter of quick-witted case, the one end that the air pump was kept away from to first flowmeter has one end to extend to the left blast pipe of quick-witted case through the three way connection intercommunication, the one end intercommunication that three way connection was kept away from to the blast pipe has discharge valve, the inside fixedly connected with of machine case is located the air pump below and the connecting pipe that communicates with. This portable air sampling device has solved current air sampling device and can not gather a plurality of samples simultaneously for the sampling time of different samples is inconsistent, and is not convenient for check and the problem of the flow of adjusting the sampling.

Description

Portable air sampling device

Technical Field

The utility model relates to an air sampling technical field specifically is a portable air sampling device.

Background

The air sampling refers to the collection of air samples in specific environments for air detection through a certain technical means, the air sampling is usually carried out by using an air sampler, the air sampler can carry out detection on partial air characteristics while sampling, but for some special parameters, the traditional sampler cannot realize timely detection, and the air samples need to be collected firstly and then sent to a professional laboratory for further detection tests.

The air sampling device model that has now on the market is various, all can carry out the sampling operation, but a plurality of samples of the air sampling device that has now can not gather simultaneously for the sampling time of different samples is inconsistent, and the flow of sampling is not convenient for to check and adjust to the air sampling device that has now, so proposes a portable air sampling device and solves the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a portable air sampling device possesses advantages such as a plurality of samples of simultaneous acquisition, has solved current air sampling device and can not gather a plurality of samples simultaneously for the sampling time of different samples is inconsistent, and current air sampling device is not convenient for check and the problem of the flow of adjusting the sampling.

(II) technical scheme

In order to realize the above-mentioned purpose that can gather a plurality of samples simultaneously, the utility model provides a following technical scheme: the portable air sampling device comprises a case, an air pump is fixedly installed inside the case, the input end of the air pump is communicated with an air inlet manifold, one end of the air inlet manifold extends to the upper side of the case, the end, far away from the air pump, of the air inlet manifold is fixedly connected with an air inlet cover, the output end of the air pump is communicated with a first flowmeter, one end of the first flowmeter extends to the front side of the case, one end, far away from the air pump, of the first flowmeter is communicated with an exhaust pipe, one end of the exhaust pipe, far away from the three-way joint, of the first flowmeter is communicated with an exhaust pipe, one end of the exhaust pipe is communicated with an exhaust valve, the exhaust pipe is fixedly connected with a connecting pipe, the connecting pipe is located below the air pump and is communicated with the three-way joint, the outer side of the connecting pipe is, it is three the one end of the second flowmeter that the flow valve was kept away from all communicates there is the branch pipe that one end extends to quick-witted case below, the bottom threaded connection of quick-witted case has quantity to be two and is located the left side two the first sampling bottle in the branch pipe outside, the bottom threaded connection of quick-witted case has and is located the right side the second sampling bottle in the branch pipe outside, the inside fixedly connected with support frame of second sampling bottle, the top of support frame is inlayed and is equipped with the support net, the top fixedly connected with sampling filter membrane of support net, two the top of first sampling bottle and the bottom of second sampling bottle all communicate there is the check valve.

Preferably, the air inlet cover comprises a cover and a filter screen, the end, far away from the air pump, of the air inlet main pipe is connected with the cover in a threaded mode, and the filter screen is embedded in the bottom of the cover.

Preferably, the connecting pipe is L-shaped, the inside fixedly connected with quantity of quick-witted case is the clamp of two, the connecting pipe passes through clamp and quick-witted case fixed connection.

Preferably, the bottom fixedly connected with quantity of quick-witted case is three and is located the connecting seat in the branch pipe outside, first sampling bottle and second sampling bottle all pass through connecting seat and quick-witted case fixed connection.

Preferably, a handle is fixedly connected to the top of the case, and the first sampling bottle is filled with absorption liquid.

Preferably, the top of the support frame is fixedly connected with two clips, and the top of the support frame is provided with through holes matched with the shape of the support net.

(III) advantageous effects

Compared with the prior art, the utility model provides a portable air sampling device possesses following beneficial effect:

1. this portable air sampling device, through setting up first sampling bottle, when carrying out air sampling, open discharge valve earlier, close the flow valve, then start the air pump, the air pump inhales the air through air intake manifold, the air is from output discharge to first flowmeter, then through three way connection, blast pipe and discharge valve discharge, treat that first flowmeter registration reaches the back of requiring, close discharge valve, open the flow valve and make the air enter into the branch pipe, it treats that the flow valve makes the second flowmeter registration stabilize the back to adjust, be connected to chassis bottom with first sampling bottle, can carry out air sampling through the absorption liquid, be connected to chassis bottom with second sampling bottle, can carry out air sampling through the filter membrane, thereby the purpose of gathering a plurality of samples simultaneously has been reached.

2. This portable air sampling device, through setting up first flowmeter, when carrying out air sampling, first flowmeter will show total air sampling flow, the air flow condition of each sampling bottle is shown to the second flowmeter, can know fast through the difference of the sum of the three second flowmeter measured value of contrast and first flowmeter measured value whether there is too big error in sampling flow data, thereby avoid the experimental data mistake that too big flowmeter error leads to a certain extent, and can control the air flow of three branch pipe respectively through adjusting three flow valve, thereby reached and be convenient for check and adjust the purpose of sampling flow.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a chassis; 2. an air pump; 3. an intake manifold; 4. an air intake cover; 5. a first flow meter; 6. a three-way joint; 7. an exhaust pipe; 8. an exhaust valve; 9. a connecting pipe; 10. a second flow meter; 11. a flow valve; 12. a branch pipe; 13. a first sampling bottle; 14. a one-way valve; 15. a second sampling bottle; 16. a support frame; 17. a support network; 18. and (5) filtering the membrane.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a portable air sampling device includes a case 1, an air pump 2 is fixedly installed inside the case 1, the air pump 2 can be Gilair-3, an input end of the air pump 2 is communicated with an air inlet manifold 3 having one end extending to the upper side of the case 1, one end of the air inlet manifold 3 far away from the air pump 2 is fixedly connected with an air inlet cover 4, the air inlet cover 4 includes a cover and a filter screen, one end of the air inlet manifold 3 far away from the air pump 2 is connected with the cover in a threaded manner, the filter screen is embedded at the bottom of the cover, an output end of the air pump 2 is communicated with a first flow meter 5 having one end extending to the front side of the case 1, one end of the first flow meter 5 far away from the air pump 2 is communicated with an exhaust pipe 7 having one end extending to the left side of the case 1 through a three-way joint 6, one end of the exhaust pipe 7 far, the connecting pipe 9 is L-shaped, the inside of the case 1 is fixedly connected with two hoops, the connecting pipe 9 is fixedly connected with the case 1 through the hoops, the outer side of the connecting pipe 9 is communicated with three second flow meters 10, one ends of the three second flow meters 10 are extended to the front side of the case 1, the ends of the three second flow meters 10, which are far away from the connecting pipe 9, are communicated with flow valves 11, one ends of the three second flow meters 10, which are far away from the flow valves 11, are communicated with branch pipes 12, one ends of the branch pipes are extended to the lower side of the case 1, the bottom of the case 1 is fixedly connected with three connecting seats, which are positioned outside the branch pipes 12, the first sampling bottles 13 and the second sampling bottles 15 are fixedly connected with the case 1 through the connecting seats, the bottom of the case 1 is in threaded connection with two first sampling bottles 13, which are positioned outside the two branch, the inside packing of first sampling bottle 13 has the absorption liquid, the bottom threaded connection of machine case 1 has the second sampling bottle 15 that is located the right branch pipe 12 outside, the inside fixedly connected with support frame 16 of second sampling bottle 15, support frame 16's top is inlayed and is equipped with support net 17, support frame 16's top fixed connection has the clip that quantity is two, the through-hole with support net 17 shape looks adaptation is seted up at support frame 16's top, support net 17's top fixedly connected with sampling filter membrane 18, the top of two first sampling bottles 13 and the bottom of second sampling bottle 15 all communicate there is check valve 14.

To sum up, the portable air sampling device, through setting up the first sampling bottle 13, while sampling the air, open the air vent valve 8 first, close the flow valve 11, then start the air pump 2, the air pump 2 sucks the air through the air intake manifold 3, the air discharges from the output to the first flowmeter 5, then discharge through the three way connection 6, blast pipe 7 and air vent valve 8, after the first flowmeter 5 counts and reaches the requirement, close the air vent valve 8, open the flow valve 11 and make the air enter the branch pipe 12, after adjusting and waiting the flow valve 11 to make the second flowmeter 10 counts and stabilize, connect the first sampling bottle 13 to the bottom of the chassis 1, can carry on the air sampling through the absorption liquid, connect the second sampling bottle 15 to the bottom of the chassis 1, namely can carry on the air sampling through the filter membrane 18, thus has reached the purpose of gathering multiple samples at the same time, through setting up the first flowmeter 5, when carrying out air sampling, first flowmeter 5 will show total air sampling flow, the air flow condition of each sampling bottle is shown to second flowmeter 10, can know fast through the difference of the sum of three second flowmeter 10 measured values of contrast and first flowmeter 5 measured value whether sampling flow data has too big error, thereby avoid the experimental data mistake that too big flowmeter error leads to a certain extent, and can control the air flow of three branch pipes 12 respectively through adjusting three flow valve 11, thereby reach the purpose of being convenient for check and adjust the sampling flow, it can't gather a plurality of samples simultaneously mostly to have solved current air sampling device, make the sampling time of different samples inconsistent, and current air sampling device is not convenient for check and adjust the problem of the flow of sampling.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Portable air sampling device, including quick-witted case (1), its characterized in that: the inside fixed mounting of quick-witted case (1) has air pump (2), the input intercommunication of air pump (2) has inlet manifold (3) that one end extends to quick-witted case (1) top, inlet manifold (3) are kept away from one end fixed connection air inlet cover (4) of air pump (2), the output intercommunication of air pump (2) has one end to extend to the positive first flowmeter (5) of quick-witted case (1), the one end that air pump (2) were kept away from in first flowmeter (5) has one end to extend to the left blast pipe (7) of quick-witted case (1) through three way connection (6) intercommunication, the one end intercommunication that three tee joint (6) were kept away from in blast pipe (7) has discharge valve (8), the inside fixedly connected with of quick-witted case (1) is located air pump (2) below and connecting pipe (9) that communicate with three way connection (6), the outside intercommunication of connecting pipe (9) has quantity to be three and one end extends to the positive second flow of quick Meter (10), it is three the one end that connecting pipe (9) were kept away from in second flowmeter (10) all communicates and has one end to extend to positive flow valve (11) of quick-witted case (1), it is three the one end of second flowmeter (10) that flow valve (11) were kept away from all communicates and has one end to extend to branch pipe (12) of quick-witted case (1) below, the bottom threaded connection of quick-witted case (1) has quantity to be two and is located the left side two first sampling bottle (13) in branch pipe (12) outside, the bottom threaded connection of quick-witted case (1) has the second sampling bottle (15) that is located the right side branch pipe (12) outside, the inside fixedly connected with support frame (16) of second sampling bottle (15), the top of support frame (16) is inlayed and is equipped with supporting net (17), the top fixedly connected with sampling filter membrane (18) of supporting net (17), two the top of first sampling bottle (13) and the bottom of second sampling bottle (15) all communicate and have check valve .

2. The portable air sampling device of claim 1, wherein: the air inlet cover (4) comprises a cover and a filter screen, one end, far away from the air pump (2), of the air inlet main pipe (3) is connected with the cover in a threaded mode, and the filter screen is embedded in the bottom of the cover.

3. The portable air sampling device of claim 1, wherein: connecting pipe (9) are the L shape, and the inside fixedly connected with quantity of quick-witted case (1) is the clamp of two, connecting pipe (9) pass through clamp and quick-witted case (1) fixed connection.

4. The portable air sampling device of claim 1, wherein: the bottom fixedly connected with quantity of quick-witted case (1) is three and is located the connecting seat in branch pipe (12) outside, first sampling bottle (13) and second sampling bottle (15) all are through connecting seat and quick-witted case (1) fixed connection.

5. The portable air sampling device of claim 1, wherein: the top of the case (1) is fixedly connected with a handle, and the interior of the first sampling bottle (13) is filled with absorption liquid.

6. The portable air sampling device of claim 1, wherein: the top of support frame (16) is fixed with the clip that the quantity is two, the through-hole with support net (17) shape looks adaptation is seted up at the top of support frame (16).