CN212275362U

CN212275362U - Efficient ambient air particulate matter sampling device

Info

Publication number: CN212275362U
Application number: CN202020183404.XU
Authority: CN
Inventors: 潘先耀
Original assignee: Anji Green Energy Environmental Testing Co ltd
Current assignee: Anji Green Energy Environmental Testing Co ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2021-01-01
Anticipated expiration: 2030-02-19

Abstract

The utility model provides an efficient ambient air particulate matter sampling device, which belongs to the technical field of environmental detection and comprises an annular box body, wherein the right part of the upper end of the annular box body is provided with an air inlet connector, the air inlet connector is connected with an air inlet pipeline through threads, the top end of the air inlet pipeline is provided with an air inlet port, the periphery of the lower end of the annular box body is provided with at least four fixing parts, the fixing parts comprise a cylinder body and a limiting rod arranged at the lower end of the cylinder body, the lower end of the limiting rod is provided with a bulge, and a sampling bin, a negative pressure chamber and an air outlet window are correspondingly arranged in the annular box body from top to bottom; the utility model discloses a set up a series of structures, solved the fixed inconvenience of device that exists among the prior art, the intake duct can not be dismantled to and the sample gets puts inconvenient problem.

Description

Efficient ambient air particulate matter sampling device

Technical Field

The utility model belongs to the technical field of the environmental detection, concretely relates to efficient ambient air particulate matter sampling device.

Background

The atmosphere is a basic environmental element on which human beings live, but with the development of industry, the population of cities is dense, and the rapid growth of coal and petroleum fuels, the quality of the atmospheric environment is gradually deteriorated, the atmospheric pollution becomes one of the major hazard factors influencing the world environment and the human health, the environment needs to be checked before environmental management, and the particulate matters in the air environment need to be detected.

Through search, the Chinese patent with the publication number of CN204154551U discloses a disposable air particulate sampling device, which comprises a rectangular frame support, wherein one side of the rectangular frame support is connected with an air bag, a particle storage layer and a filter layer are arranged in the rectangular frame support, and the filter layer is close to one side of the air bag. The utility model discloses simple structure, low cost, the ordinary people of being convenient for use.

But above-mentioned technical scheme is owing to lack effectual fixing device, when the device is used in the ground of topography unevenness, rocks easily, the installation of the device of being not convenient for, and secondly the admission line can not dismantle, carries inconveniently, also be not convenient for its inside washing, moreover, getting of sample collection is put inconveniently inadequately, influences the result of use, consequently still has the fixed inconvenience of device, and the admission line can not dismantle to and the sample gets the inconvenient problem of putting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an efficient ambient air particulate matter sampling device, the device that aims at existence among the solution prior art is fixed inconvenient, and the intake duct can not be dismantled to and the sample is got and is put inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an efficient ambient air particulate matter sampling device, includes annular box, the connector that admits air has been seted up to the upper end right part of annular box, threaded connection has the admission line on the connector that admits air, the top of admission line is provided with the port of admitting air, the peripheral department of annular box lower extreme installs the mounting, the inside top-down correspondence of annular box is provided with sampling storehouse, negative pressure chamber and the window of giving vent to anger, the top and the connector intercommunication that admits air in sampling storehouse, the port of giving vent to anger of sampling storehouse lower extreme is connected with the port of admitting air of negative pressure chamber, the exhaust port and the window of giving vent to anger of negative pressure chamber lower extreme are connected, the.

Can adjust in order to make the length of mounting, and then satisfy the installation use of different topography, conduct the utility model relates to an it is preferred, be provided with the internal thread on the inner wall of barrel lower extreme, and be formed with the external screw thread on the outer wall at gag lever post top, be connected fixedly through external screw thread and internal screw thread mode between barrel and the gag lever post respectively.

In order to make the sample of gathering conveniently take out, conduct the utility model relates to an it is preferred, the upper end of annular box is provided with connecting portion, and connecting portion correspond the top that sets up at the sampling storehouse, the outside threaded connection of connecting portion has sealed lid.

In order to make the negative pressure room can normally work, as the utility model relates to an it is preferred, install stand-by power supply on the inner wall of annular box, the input circuit of negative pressure room establishes ties on stand-by power supply.

In order to facilitate the circulation of gas, as the utility model relates to an it is preferred, be connected with the arc blast pipe on the outer wall at sampling storehouse top, and the other end of arc blast pipe with the connector connection admits air.

In order to make the device can collect air particulate's sample, as the utility model discloses a preferred, the inboard bottom in sampling storehouse is provided with the catch tray, and installs the sampling membrane on the catch tray.

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

1. this device sets up the mounting in the periphery department of annular box lower extreme, and the length of mounting can be adjusted, can satisfy the installation use of different topography through the method of adjustment mounting length during the use, strengthens the commonality of device, and this mounting is firm to the fixed mode on ground, is difficult for rocking, can satisfy the long-time sampling operation of device to this mode of having solved equipment fixing is unreasonable, the problem that the commonality is low.

2. This device sets up the connector that admits air at the top of annular box, and the pipeline that admits air is connected through the mode of screw thread to the connector that admits air, and the time spent not can demolish the pipeline that admits air, and it carries and washs to be convenient for, and is very convenient.

3. This device sets up the sampling storehouse at the inboard top of annular box, and the sampling storehouse corresponds in the below of sealed lid, during the sample, directly with sealed lid open can, directly accomplish the collection of sample, very convenient good usefulness.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the middle ring-shaped box body of the present invention;

fig. 3 is a schematic structural view of the fixing member of the present invention;

fig. 4 is a schematic structural view of the cylinder body of the present invention;

in the figure: 1-an annular box body; 2-a connecting part; 3-sealing the cover; 4-a fixing piece; 5-an air inlet connecting port; 6-an air inlet pipeline; 7-an air inlet port; 8-sampling bin; 9-a collection tray; 10-a sampling membrane; 11-arc exhaust pipe; 12-a negative pressure chamber; 13-an air outlet window; 14-a cylinder body; 15-external thread; 16-a limiting rod; 17-a bump; 18-internal threads; 19-backup power supply.

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.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: an efficient sampling device for environmental air particles comprises an annular box body 1, an air inlet connector 5 is arranged at the right part of the upper end of the annular box body 1, an air inlet pipeline 6 is connected onto the air inlet connector 5 in a threaded manner, an air inlet port 7 is arranged at the top end of the air inlet pipeline 6, fixing pieces 4 are arranged at the periphery of the lower end of the annular box body 1, at least four fixing pieces 4 are arranged, a barrel body 14 is arranged inside each fixing piece 4, and a limiting rod 16 arranged at the lower end of the cylinder 14, wherein the lower end of the limiting rod 16 is provided with a bulge 17, the interior of the annular box body 1 is correspondingly provided with a sampling bin 8, a negative pressure chamber 12 and an air outlet window 13 from top to bottom, the top end of the sampling bin 8 is communicated with the air inlet connecting port 5, the air outlet port at the lower end of the sampling bin 8 is connected with the air inlet port of the negative pressure chamber 12, the air outlet port at the lower end of the negative pressure chamber 12 is connected with the air outlet window 13, and the air outlet window 13 is arranged at the bottom of the annular box body 1.

The utility model discloses an in the concrete embodiment, threaded connection has inlet line 6 on the connector 5 admits air, and inlet line 6 is fixed through the mode installation of screw thread, and the dismouting and the washing of being convenient for conveniently carry, and the inside of mounting 4 includes barrel 14 to and install gag lever post 16 at the barrel 14 lower extreme, and the length of mounting 4 can be adjusted, and protruding 17 is high to the fixed strength on ground, and the firm intensity of installation is good.

Specifically, an internal thread 18 is arranged on the inner wall of the lower end of the cylinder 14, an external thread 15 is formed on the outer wall of the top of the limiting rod 16, and the cylinder 14 and the limiting rod 16 are fixedly connected in the mode of the external thread 15 and the internal thread 18 respectively.

In this embodiment: the cylinder 14 and the limiting rod 16 are connected and fixed in a mode of external threads 15 and internal threads 18, so that the relative height between the cylinder 14 and the limiting rod 16 can be adjusted in a threaded mode, and the installation and use of the fixing piece 4 on different grounds are further met.

Specifically, the upper end of the annular box body 1 is provided with a connecting part 2, the connecting part 2 is correspondingly arranged above the sampling bin 8, and the external thread of the connecting part 2 is connected with a sealing cover 3.

In this embodiment: the sealing cover 3 realizes the sealing effect of the annular box body 1, and the sealing cover 3 can be directly removed in a rotating mode during sampling.

Specifically, a standby power supply 19 is installed on the inner wall of the annular box 1, and an input circuit of the negative pressure chamber 12 is connected in series to the standby power supply 19.

In this embodiment: the input circuit of the negative pressure chamber 12 is connected in series with the backup power supply 19, and the backup power supply 19 is arranged to realize the normal operation of the negative pressure chamber 12.

Specifically, be connected with arc blast pipe 11 on the outer wall at 8 tops in sampling storehouse, and the other end and the connector 5 that admits air of arc blast pipe 11 are connected.

In this embodiment: normal ventilation of the sampling bin 8 is achieved.

Specifically, a collecting tray 9 is arranged at the bottom of the inner side of the sampling bin 8, and a sampling membrane 10 is arranged on the collecting tray 9.

In this embodiment: the collecting tray 9 collects the particles in the air, and the sampling film 10 enables the particles to be gathered together.

The utility model discloses a theory of operation and use flow: the air inlet pipeline 6 is fixed in a mode of an air inlet connecting port 5, air is sucked in through an air inlet port 7 during use, the fixing part 4 is adjusted, the relative height of the cylinder 14 is adjusted through an external thread 15 and an internal thread 18, the whole height of the fixing part 4 is adjusted, the requirement of using the uneven ground terrain is met, after adjustment, the bulge 17 is fixed on the ground, installation and fixation of the annular box body 1 are achieved, then a fan in the negative pressure chamber 12 is driven to operate, the sampling chamber 8 sucks air from the air inlet pipeline 6 through an arc exhaust pipe 11 and discharges the air into the sampling chamber 8, the sampling chamber 8 finishes collection of particles in the air through a collection disc 9 and a sampling film 10, then the negative pressure chamber 12 discharges the air through an air outlet window 13, after adoption is finished, the sealing cover 3 is removed in a rotating mode, particle samples are directly taken out through the collection disc 9, is simple and convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an efficient ambient air particulate matter sampling device, includes annular box (1), its characterized in that: an air inlet connector (5) is formed in the right portion of the upper end of the annular box body (1), an air inlet pipeline (6) is connected to the air inlet connector (5) in a threaded mode, an air inlet port (7) is formed in the top end of the air inlet pipeline (6), a fixing piece (4) is installed on the periphery of the lower end of the annular box body (1), a sampling bin (8), a negative pressure chamber (12) and an air outlet window (13) are correspondingly arranged in the annular box body (1) from top to bottom, the top end of the sampling bin (8) is communicated with the air inlet connector (5), the air outlet port at the lower end of the sampling bin (8) is connected with the air inlet port of the negative pressure chamber (12), the air outlet port at the lower end of the negative pressure chamber (12) is connected with the air outlet window (13), and the air; the fixing piece (4) is at least provided with four, the inside of fixing piece (4) includes barrel (14), and installs gag lever post (16) of barrel (14) lower extreme, the lower extreme of gag lever post (16) is provided with arch (17).

2. A high efficiency ambient air particulate sampling apparatus as recited in claim 1, wherein: the inner wall of the lower end of the barrel body (14) is provided with an internal thread (18), an external thread (15) is formed on the outer wall of the top of the limiting rod (16), and the barrel body (14) and the limiting rod (16) are fixedly connected in a mode of the external thread (15) and the internal thread (18) respectively.

3. A high efficiency ambient air particulate sampling apparatus as recited in claim 1, wherein: the upper end of the annular box body (1) is provided with a connecting part (2), the connecting part (2) is correspondingly arranged above the sampling bin (8), and the outer thread of the connecting part (2) is connected with a sealing cover (3).

4. A high efficiency ambient air particulate sampling apparatus as recited in claim 1, wherein: install stand-by power supply (19) on the inner wall of annular box (1), the input circuit of negative pressure chamber (12) establishes ties on stand-by power supply (19).

5. A high efficiency ambient air particulate sampling apparatus as recited in claim 1, wherein: the outer wall of the top of the sampling bin (8) is connected with an arc exhaust pipe (11), and the other end of the arc exhaust pipe (11) is connected with the air inlet connecting port (5).

6. A high efficiency ambient air particulate sampling apparatus as recited in claim 1, wherein: the bottom of the inner side of the sampling bin (8) is provided with a collecting disc (9), and a sampling film (10) is arranged on the collecting disc (9).