CN212722254U

CN212722254U - Double-channel air sampler

Info

Publication number: CN212722254U
Application number: CN202021147739.2U
Authority: CN
Inventors: 梁鹏
Original assignee: Sichuan Jingchuang Testing Technology Co ltd
Current assignee: Sichuan Jingchuang Testing Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-16
Anticipated expiration: 2030-06-19

Abstract

The utility model relates to an air sampler technical field discloses a binary channels air sampler, the power distribution box comprises a box body, the equal fixed mounting in both ends has the aspiration pump, two about the inner chamber of box the upper end of aspiration pump all is fixed the intercommunication and has intake pipe one, two the intake pipe is gone up all to be fixed the intercommunication and has the gas hood, two the lower extreme of aspiration pump all is fixed the intercommunication and has the breathing pipe, be equipped with two receiving flasks in the box. The utility model discloses a start the aspiration pump, then only the pneumatic valve with first pneumatic valve and second and open, thereby can be with the air escape in the receiving flask, pack into the receiving flask with the air in the atmosphere in, then only pneumatic valve and second are closed, then shift the measuring to the receiving flask with the intake pipe from the connecting pipe is taken off, further air that has avoided collecting at the in-process receiving flask of transfer spills, thereby reduce the error of empty gas detection survey, therefore, the utility model is practical, and is suitable for extensive popularization and use.

Description

Double-channel air sampler

Technical Field

The utility model relates to an air sampler technical field specifically is a binary channels air sampler.

Background

The air sampler has a plurality of types and can be divided into a gas (including steam) sampler and a particulate matter sampler according to a collection object; the sampler can be divided into an environment sampler, an indoor sampler (such as a sampler used in a factory workshop) and a pollution source sampler (such as a chimney sampler) according to the using places, and also has an atmosphere sampler with special application, such as a sampler for simultaneously collecting gas and particles, a sampler for collecting sulfur dioxide and particles or hydrogen fluoride and particles in the atmosphere, and the like, thereby being convenient for researching the mutual relation of sulfur or fluorine in gaseous and solid substances, and a sampler for collecting bacteria in the air.

The prior patent (publication number: CN201921636166.7) discloses a double-channel atmospheric sampler, which comprises a box body, wherein an operation panel and a wire inserting port are respectively arranged on the outer surface of the box body, telescopic rods are respectively arranged at four corners of the bottom of the box body, the bottom end of each telescopic rod is connected with a base through a damping rotating shaft, and a handle and an air inlet pipe are respectively arranged at the top of the box body.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: the air that lacks sealing mechanism on the current absorption bottle thereby when taking off the absorption bottle, takes the absorption bottle to detect, and the air of gathering at the in-process that shifts can flow out from the absorption bottle to influence empty gas detection's degree of accuracy, therefore, we provide a binary channels air sampler.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a binary channels air sampler has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-channel air sampler comprises a box body;

air suction pumps are fixedly arranged at the left end and the right end of the inner cavity of the box body, the upper ends of the two air suction pumps are fixedly communicated with a first air inlet pipe, an air cover is fixedly communicated on the first air inlet pipe, the lower ends of the two air suction pumps are fixedly communicated with an air suction pipe, two collecting bottles are arranged in the box body, the upper ends of the two collecting bottles are fixedly communicated with a second air inlet pipe, the two second air inlet pipes are respectively provided with a first air stop valve, the outer sides of the two collecting bottles are respectively fixedly communicated with an exhaust pipe, the two exhaust pipes are respectively provided with a second air stop valve, a connecting pipe is arranged between the air suction pipe and the air inlet pipe II, an anti-slip edge is fixedly arranged on the outer side of the connecting pipe, a hinge is fixedly arranged on the left side of the front end of the box body, the box body is fixedly hinged with a box door through the hinge, the box door is provided with air holes, and supporting legs are fixedly mounted at four corners of the lower end of the box body.

As an optimized embodiment of the utility model, the inner chamber bottom fixed mounting of box has two to place a section of thick bamboo.

As a preferred embodiment of the utility model, two equal fixed mounting has the filter screen in the gas hood.

As a preferred embodiment of the utility model, four fixed mounting has the backup pad between the lower extreme of supporting leg.

As a preferred embodiment of the utility model, the upper end fixed mounting of box has the handle.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a binary channels air sampler, through starting the aspiration pump, then only the pneumatic valve is opened with first air valve and second to can be with the air escape in the receiving flask, pack into the receiving flask with the air in the atmosphere in, then only pneumatic valve and second are closed, then shift the measuring to the receiving flask with the intake pipe from the connecting pipe is taken off, further avoid spilling at the air of the in-process receiving flask collection of transfer, thereby reduce empty gas detection's error.

2. The utility model relates to a binary channels air sampler can place the receiving flask through the setting of placing a section of thick bamboo to increase the stability that the receiving flask was placed.

3. The utility model relates to a binary channels air sampler can filter the air in the atmosphere through setting up of filter screen, prevents that impurity from influencing the empty gas detection survey result.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a dual channel air sampler of the present invention;

FIG. 2 is a front view of a dual channel air sampler connecting tube of the present invention;

fig. 3 is a front view of the door of the dual-channel air sampler of the present invention.

In the figure: 1. a box body; 2. a second air stop valve; 3. an exhaust pipe; 4. an air intake duct; 5. a first air inlet pipe; 6. A filter screen; 7. a gas hood; 8. an air pump; 9. a second air inlet pipe; 10. a handle; 11. a first air stop valve; 12. Placing the cylinder; 13. a support plate; 14. supporting legs; 15. anti-slip edges; 16. a connecting pipe; 17. a hinge; 18. A box door; 19. air holes are formed; 20. and (6) collecting the bottle.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: a double-channel air sampler comprises a box body 1;

air suction pumps 8 are fixedly mounted at the left end and the right end of an inner cavity of the box body 1, the upper ends of the two air suction pumps 8 are fixedly communicated with a first air inlet pipe 5, the two first air inlet pipes 5 are fixedly communicated with an air cover 7, the lower ends of the two air suction pumps 8 are fixedly communicated with an air suction pipe 4, two collecting bottles 20 are arranged in the box body 1, the upper ends of the two collecting bottles 20 are fixedly communicated with a second air inlet pipe 9, the two second air inlet pipes 9 are respectively provided with a first air stop valve 11, the outer sides of the two collecting bottles 20 are respectively fixedly communicated with an air exhaust pipe 3, the two air exhaust pipes 3 are respectively provided with a second air stop valve 2, a connecting pipe 16 is arranged between the air suction pipe 4 and the second air inlet pipe 9, the air inlet pipe 4 and the air suction pipe 4 are hoses, so that the air suction pipe can be conveniently connected and taken down, the firmness of the connection of the air inlet pipe II 9 with the air suction pipe 4 and the connecting pipe 16 can be effectively improved through the arrangement of the anti-slip ribs 15, a hinge 17 is fixedly arranged at the left side of the front end of the box body 1, the box body 1 is fixedly hinged with a box door 18 through the hinge 17, the box door 18 is provided with air holes 19, the four corners of the lower end of the box body 1 are all fixedly provided with supporting legs 14, by starting the air pump 8, then, the first air-stop valve 11 and the second air-stop valve 2 are opened to discharge the air in the collection bottle 20, the air in the atmosphere is filled in the collection bottle 20, then, the first air stop valve 11 and the second air stop valve 2 are closed, and then the second air inlet pipe 9 is taken down from the connecting pipe 16 to perform transfer detection on the collecting bottle 20, so that air collected by the collecting bottle 20 in the transfer process is further prevented from leaking, and the error of air detection is reduced.

In this embodiment (as shown in fig. 1), two placing cylinders 12 are fixedly installed at the bottom end of the inner cavity of the box body 1, and the collecting bottle 20 can be placed through the placing cylinders 12, so that the placing stability of the collecting bottle 20 is increased.

In this embodiment (see fig. 1), the two air hoods 7 are both fixedly installed with filter screens 6, and the air in the atmosphere can be filtered by the filter screens 6, so as to prevent the air detection result from being affected by impurities.

In this embodiment (please refer to fig. 1), the supporting plates 13 are fixedly installed between the lower ends of the four supporting legs 14, and the supporting area can be effectively increased by the arrangement of the supporting plates 13, so as to increase the placing stability of the box body 1.

In this embodiment (please refer to fig. 1), a handle 10 is fixedly installed at the upper end of the box body 1, and the handle 10 can be conveniently held by an operator, so that the box body can be conveniently carried.

It should be noted that the utility model relates to a double-channel air sampler, which comprises a box body 1, a second air stop valve 2, an exhaust pipe 3, an air suction pipe 4, an air inlet pipe 5, a filter screen 6, an air hood 7, an air suction pump 8, an air inlet pipe 9, a handle 10, a first air stop valve 11, a placing cylinder 12, a support plate 13, a support leg 14, an anti-slip edge 15, a connecting pipe 16, a hinge 17, a box door 18, an air vent 19 and a collecting bottle 20, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the air sampler can be known by technical manuals or conventional experimental methods, during work, the air sampler can be connected and taken down conveniently through the air inlet pipe 9 and the air suction pipe 4 and the air inlet pipe 16, the firmness of connection between the air inlet pipe 4 and the air inlet pipe 16 can be effectively increased through the arrangement of the anti, the air in the collecting bottle 20 can be discharged by starting the air pump 8, then the first air-stopping valve 11 and the second air-stopping valve 2 are opened, the air in the atmosphere is filled into the collecting bottle 20, then the first air-stopping valve 11 and the second air-stopping valve 2 are closed, then the air inlet pipe II 9 is taken down from the connecting pipe 16 to carry out transfer detection on the collecting bottle 20, further, the air collected by the collecting bottle 20 in the transfer process is prevented from leaking, the error of air detection is reduced, the collecting bottle 20 can be placed through the arrangement of the placing barrel 12, the placing stability of the collecting bottle 20 is improved, the air in the atmosphere can be filtered through the arrangement of the filter screen 6, the influence of impurities on the air detection result is prevented, the supporting area can be effectively increased through the arrangement of the supporting plate 13, the placing stability of the box body 1 is improved, the placing stability of the handle 10 can be convenient for operators to hold, thereby facilitating the carrying.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A double-channel air sampler is characterized by comprising a box body (1);

the air suction device is characterized in that air suction pumps (8) are fixedly mounted at the left end and the right end of an inner cavity of the box body (1), the upper ends of the two air suction pumps (8) are fixedly communicated with a first air inlet pipe (5), the two air inlet pipes (5) are fixedly communicated with an air cover (7), the lower ends of the two air suction pumps (8) are fixedly communicated with an air suction pipe (4), two collecting bottles (20) are arranged in the box body (1), the upper ends of the two collecting bottles (20) are fixedly communicated with a second air inlet pipe (9), the two air inlet pipes (9) are respectively provided with a first air stop valve (11), the outer sides of the two collecting bottles (20) are respectively fixedly communicated with an air exhaust pipe (3), a second air stop valve (2) is arranged on the two air exhaust pipes (3), a connecting pipe (16) is arranged between the air suction pipe (4) and the second air inlet pipe (9), and an anti-skid ridge, the front end left side fixed mounting of box (1) has hinge (17), box (1) has chamber door (18) through hinge (17) fixed articulated, bleeder vent (19) have been seted up on chamber door (18), the equal fixed mounting in lower extreme four corners department of box (1) has supporting leg (14).

2. A dual channel air sampler as claimed in claim 1 wherein: two placing cylinders (12) are fixedly arranged at the bottom end of the inner cavity of the box body (1).

3. A dual channel air sampler as claimed in claim 1 wherein: and filter screens (6) are fixedly arranged in the two gas hoods (7).

4. A dual channel air sampler as claimed in claim 1 wherein: and supporting plates (13) are fixedly arranged between the lower ends of the four supporting legs (14).

5. A dual channel air sampler as claimed in claim 1 wherein: the upper end of the box body (1) is fixedly provided with a handle (10).