CN216747645U - Device for detecting volatile organic compounds in atmosphere - Google Patents

Abstract

The utility model discloses a device for detecting volatile organic compounds in atmosphere, which comprises a box body, a sampler and a filter, wherein a display screen is arranged on the front surface of the box body, two groups of samplers are arranged on the inner wall of the box body, two groups of telescopic rods are arranged on the outer wall of each sampler, a plurality of groups of regulators are arranged on the inner wall of each plate, and a gas sensor is arranged on the inner wall of the box body and positioned on one side of each sampler. When volatile organic compounds in the atmosphere were examined, the top of telescopic link was removed and is driven the connecting block and remove, the connecting block removes and drives the connecting rod and remove, the connecting rod removes and drives the backup pad and remove, the backup pad removes and drives the plate and remove, make the sampling head remove the inside back of sample thief, a servo motor's output rotates and drives the support ring and remove, the support ring removes and drives the intake pipe and remove, the intake pipe removes the position change that makes the sampling head, reach the purpose of sampling to the gas in different position, reduce measuring error.

Description

Volatile organic compounds detection device in atmosphere

Technical Field

The utility model relates to the technical field of detection devices, in particular to a device for detecting volatile organic compounds in atmosphere.

Background

Volatile organic compounds exist in a gas form at normal temperature, and can be classified into various categories according to different chemical structures, the volatile organic compounds mainly come from industrial waste gas generated by fuel combustion and transportation, automobile exhaust and the like outdoors, and the volatile organic compounds mainly come from paint, coating and adhesives in the indoor decoration process, are in the environment of the volatile organic compounds for a long time and are very harmful to the health of people, so that the detection of the volatile organic compounds in the air is also important.

The existing detection device has the following defects:

patent document CN113325121A discloses a volatile organic compound online detection device, the right of protection "includes a first six-way valve, a second six-way valve, a first chromatographic column, a second chromatographic column, a first enrichment module, a second enrichment module, a first detector, a second detector, a first flow controller, and a second flow controller, the first six-way valve is connected with the second six-way valve through a pipeline, the first six-way valve is connected with the first detector through a pipeline, the first enrichment module and the first chromatographic column are disposed on the pipeline connecting the first six-way valve with the first detector, the second six-way valve is connected with the second detector through a pipeline, the second enrichment module and the second chromatographic column are disposed on the pipeline connecting the second six-way valve with the second detector, the first flow controller is connected with the first six-way valve, and the second flow controller is connected with the second six-way valve. The utility model has good stability of research and development, simple and convenient operation and easy maintenance, can effectively realize on-line continuous automatic monitoring and has important significance on atmospheric environment quality monitoring. However, this device cannot sample gas in different directions when in use, and measurement errors are easily generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for detecting volatile organic compounds in the atmosphere, which aims to solve the problem that the gas in different directions cannot be sampled in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a device for detecting volatile organic compounds in the atmosphere comprises a box body, samplers and a filter, wherein a display screen is arranged on the front surface of the box body, and two groups of samplers are arranged on the inner wall of the box body;

the sampling device comprises a sampling air pump, a connecting pipe and a sampling device, wherein a supporting plate is arranged on the inner wall of the sampling device, a plate is arranged at the top of the supporting plate, a plurality of groups of sampling heads are arranged on the outer wall of the plate, an air collecting pipe is arranged on the outer wall of the other side of the plate, an air inlet pipe is arranged at one end of each sampling head, the sampling air pump is arranged on the inner wall of a box body and is positioned on one side of the sampling device, the output end of the sampling air pump is provided with the connecting pipe, and one end of the connecting pipe extends to the outer wall of the air collecting pipe;

two sets of telescopic links are installed to the outer wall of sample thief, the multiunit regulator is installed to the inner wall of plate, gas sensor is installed to the inner wall of box, and gas sensor is located one side of sample thief.

Preferably, the outer wall of the box body is provided with a plurality of groups of sealing plates.

Preferably, a plurality of groups of buttons are installed on the front surface of the box body, and the buttons are located on one side of the display screen.

Preferably, the connecting block is installed on the top of telescopic link, and the connecting rod is installed to the outer wall of backup pad, and the one end of connecting rod extends to the outer wall of connecting block.

Preferably, the back shaft is installed to the inner wall of regulator, and the support ring is installed on the top of back shaft, and a servo motor is installed No. one at the top of support ring, and the hose is installed to the one end of intake pipe, and the one end of hose extends to the outer wall of collector.

Preferably, the bottom of the gas sensor is provided with a conveying pipe.

Preferably, the filter is installed to the inner wall of box, and the filter is located one side of gas sensor, and the dust screening ware is installed to the inner wall of filter, and the filter screen is installed to the inner wall of dust screening ware, and moisture screening ware is installed at the top of dust screening ware, and two sets of No. two servo motor are installed to the inner wall of dust screening ware, and the driving-disc is installed to No. two servo motor's output, and the restorer is installed to the inner wall of dust screening ware, and the restorer is located one side of No. two servo motor, and the inner wall of restorer runs through and installs the actuating lever.

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

1. according to the sampling device, the sampler and the telescopic rod are arranged to sample gas in different directions, the sampling air pump provides an installation space for the connecting pipe, when volatile organic compounds in the atmosphere are detected, the top end of the telescopic rod moves to drive the connecting block to move, the connecting block moves to drive the connecting rod to move, the connecting rod moves to drive the supporting plate to move, the supporting plate moves to drive the plate to move, after the sampling head moves out of the sampler, the output end of a servo motor rotates to drive the supporting ring to move, the supporting ring moves to drive the air inlet pipe to move, the air inlet pipe moves to change the position of the sampling head, the purpose of sampling gas in different directions is achieved, and measurement errors are reduced;

2. the gas sample is purified by the aid of the filter and the driving rod, dust contained in gas is filtered by the filter screen after the collected gas sample enters the filter, moisture in the gas is filtered by the moisture screening device, the purpose of purifying the gas is achieved, when the dust adsorbed on the surface of the filter screen is cleaned, the output end of the second servo motor rotates to drive the driving disc to rotate, the driving disc rotates to push the driving rod to move, after the driving rod moves, the driving rod resets during the resetting device, the driving rod repeatedly moves to enable the filter screen to vibrate, the dust adsorbed on the surface of the filter screen is cleaned, and the purpose of prolonging the service life of the filter screen is achieved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic diagram of a partial structure of a sampler according to the present invention;

FIG. 4 is a schematic view of a filter according to the present invention;

fig. 5 is a schematic view of a portion of the drive rod and drive disk of the present invention.

In the figure: 1. a box body; 101. a sealing plate; 2. a display screen; 201. a button; 3. a sampler; 301. a support plate; 302. a plate block; 303. a gas collecting pipe; 304. a sampling head; 305. sampling an air pump; 306. a connecting pipe; 307. an air inlet pipe; 4. a telescopic rod; 401. connecting blocks; 402. a connecting rod; 5. a regulator; 501. a support shaft; 502. a support ring; 503. a hose; 504. a first servo motor; 6. a gas sensor; 601. a delivery pipe; 7. a filter; 701. a dust sifter; 702. filtering with a screen; 703. a moisture classifier; 704. a drive rod; 705. a second servo motor; 706. a drive plate; 707. a repositor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: referring to fig. 1, a device for detecting volatile organic compounds in the atmosphere comprises a box body 1, a sampler 3 and a filter 7, wherein a display screen 2 is installed on the front surface of the box body 1, the box body 1 provides an installation space for the display screen 2, two sets of samplers 3 are installed on the inner wall of the box body 1, the box body 1 provides an installation space for the sampler 3, two sets of telescopic rods 4 are installed on the outer wall of the sampler 3, the sampler 3 provides an installation space for the telescopic rods 4, the telescopic rods 4 facilitate movement of a supporting plate 301, a plurality of sets of regulators 5 are installed on the inner wall of a plate 302, the plate 302 provides an installation space for the regulators 5, a gas sensor 6 is installed on the inner wall of the box body 1, the gas sensor 6 is located on one side of the sampler 3, the box body 1 provides an installation space for the gas sensor 6, the gas sensor 6 detects volatile organic compounds in the atmosphere, and a plurality of sealing plates 101 are installed on the outer wall of the box body 1, the box body 1 provides an installation space for the sealing plate 101, the sealing plate 101 has a protection effect on the sampling head 304 when closed, the front surface of the box body 1 is provided with a plurality of groups of buttons 201, the buttons 201 are positioned on one side of the display screen 2, the box body 1 provides an installation space for the buttons 201, the top end of the telescopic rod 4 is provided with a connecting block 401, the outer wall of the supporting plate 301 is provided with a connecting rod 402, one end of the connecting rod 402 extends to the outer wall of the connecting block 401, the top end of the telescopic rod 4 moves to drive the connecting block 401 to move, the connecting block 401 moves to drive the connecting rod 402 to move, the connecting rod 402 moves to drive the supporting plate 301 to move, the position of the supporting plate 301 is moved, the inner wall of the regulator 5 is provided with a supporting shaft 501, the top end of the supporting shaft 501 is provided with a supporting ring 502, the top of the supporting ring 502 is provided with a servo motor 504, one end of the air inlet pipe 307 is provided with a hose 503, and one end of the hose 503 extends to the outer wall of the air collecting pipe 303, support shaft 501 makes things convenient for support ring 502 to rotate, and servo motor 504's output rotates and drives support ring 502 and remove, and support ring 502 removes and drives intake pipe 307 and remove, reaches the purpose of removing intake pipe 307 position, and conveyer pipe 601 is installed to gas sensor 6's bottom, and the inside that the sample transport that conveyer pipe 601 will gather enters into gas sensor 6 detects.

Example 2: please refer to fig. 2 and 3, a supporting plate 301 is installed on the inner wall of the sampler 3, a plate 302 is installed on the top of the supporting plate 301, a plurality of sets of sampling heads 304 are installed on the outer wall of the plate 302, a gas collecting pipe 303 is installed on the outer wall of the other side of the plate 302, a gas inlet pipe 307 is installed at one end of the sampling head 304, a sampling gas pump 305 is installed on the inner wall of the box body 1, the sampling gas pump 305 is located at one side of the sampler 3, a connecting pipe 306 is installed at the output end of the sampling gas pump 305, one end of the connecting pipe 306 extends to the outer wall of the gas collecting pipe 303, the sampling gas pump 305 generates suction force to sample gas, the collected gas enters the inside of the gas collecting pipe 303 through a hose 503 and then enters the inside of the sampling gas pump 305, the sampling gas pump 305 delivers the collected sample into the inside of the filter 7 to achieve the purpose of collecting the sample, the sampling gas pump 305 provides an installation space for the connecting pipe 306, when volatile organic compounds in the atmosphere are detected, the top end of the telescopic rod 4 moves to drive the connecting block 401 to move, the connecting block 401 moves to drive the connecting rod 402 to move, the connecting rod 402 moves to drive the supporting plate 301 to move, the supporting plate 301 moves to drive the plate 302 to move, after the sampling head 304 moves out of the inside of the sampler 3, the output end of the first servo motor 504 rotates to drive the supporting ring 502 to move, the supporting ring 502 moves to drive the air inlet pipe 307 to move, the position of the sampling head 304 is changed by moving the air inlet pipe 307, the purpose of sampling the gases in different directions is achieved, and the measurement error is reduced.

Example 3: please refer to fig. 4 and 5, a filter 7 is installed on the inner wall of the box 1, the filter 7 is located at one side of the gas sensor 6, a dust classifier 701 is installed on the inner wall of the filter 7, a filter screen 702 is installed on the inner wall of the dust classifier 701, a moisture classifier 703 is installed on the top of the dust classifier 701, two sets of second servo motors 705 are installed on the inner wall of the dust classifier 701, a driving disc 706 is installed at the output end of the second servo motor 705, a restorer 707 is installed on the inner wall of the dust classifier 701, the restorer 707 is located at one side of the second servo motor 705, a driving rod 704 is installed on the inner wall of the restorer 707 in a penetrating manner, after a collected gas sample enters the filter 7, the filter screen 702 filters dust contained in the gas, the moisture classifier filters moisture in the gas 703 to achieve the purpose of gas purification, and when the dust adsorbed on the surface of the filter screen 702 is cleaned, the output end of the second servo motor 705 rotates to drive the driving disc 706 to rotate, the driving disc 706 rotates to push the driving rod 704 to move, after the driving rod 704 moves, the driving rod 704 resets when the resetter 707 is used, the driving rod 704 repeatedly moves to vibrate the filter screen 702, dust adsorbed on the surface of the filter screen 702 is cleaned, and the purpose of prolonging the service life of the filter screen 702 is achieved.

The working principle is that firstly, the sampling air pump 305 works to generate suction force to enable the sampling head 304 to sample air, the collected air enters the inside of the air collecting pipe 303 through the hose 503 and then enters the inside of the sampling air pump 305, the sampling air pump 305 conveys the collected sample into the inside of the filter 7 to achieve the purpose of collecting the sample, the sampling air pump 305 provides an installation space for the connecting pipe 306, when volatile organic compounds in the atmosphere are detected, the top end of the telescopic rod 4 moves to drive the connecting block 401 to move, the connecting block 401 moves to drive the connecting rod 402 to move, the connecting rod 402 moves to drive the supporting plate 301 to move, the supporting plate 301 moves to drive the plate 302 to move, after the sampling head 304 moves out of the inside of the sampler 3, the output end of the first servo motor 504 rotates to drive the supporting ring 502 to move, the supporting ring 502 moves to drive the air inlet pipe 307 to move, the air inlet pipe 307 moves to change the position of the sampling head 304, the purpose of sampling the gas in different directions is achieved, the measurement error is reduced, after the collected gas sample enters the inside of the filter 7, the filter screen 702 filters the dust contained in the gas, the moisture separator 703 filters the moisture in the gas, the purpose of purifying the gas is achieved, when the dust adsorbed on the surface of the filter screen 702 is cleaned, the output end of the second servo motor 705 rotates to drive the driving disc 706 to rotate, the driving disc 706 rotates to push the driving rod 704 to move, after the driving rod 704 moves, the driving rod 704 resets during the resetting 707, the driving rod 704 repeatedly moves to shake the filter screen 702, the dust adsorbed on the surface of the filter screen 702 is cleaned, and the purpose of prolonging the service life of the filter screen 702 is achieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims (7)

1. The utility model provides a volatile organic compounds detection device in atmosphere, includes box (1), sample thief (3) and filter (7), its characterized in that: the front surface of the box body (1) is provided with a display screen (2), and the inner wall of the box body (1) is provided with two groups of samplers (3);

the sampling device is characterized in that a supporting plate (301) is installed on the inner wall of the sampler (3), a plate (302) is installed at the top of the supporting plate (301), a plurality of groups of sampling heads (304) are installed on the outer wall of the plate (302), gas collecting pipes (303) are installed on the outer wall of the other side of the plate (302), an air inlet pipe (307) is installed at one end of each sampling head (304), a sampling air pump (305) is installed on the inner wall of the box body (1), the sampling air pump (305) is located on one side of the sampler (3), a connecting pipe (306) is installed at the output end of the sampling air pump (305), and one end of the connecting pipe (306) extends to the outer wall of each gas collecting pipe (303);

two sets of telescopic links (4) are installed to the outer wall of sample thief (3), multiunit regulator (5) are installed to the inner wall of plate (302), gas sensor (6) are installed to the inner wall of box (1), and gas sensor (6) are located one side of sample thief (3).

2. The apparatus for detecting volatile organic compounds in the atmosphere according to claim 1, wherein: and a plurality of groups of sealing plates (101) are arranged on the outer wall of the box body (1).

3. The apparatus for detecting volatile organic compounds in the atmosphere according to claim 1, wherein: the front of box (1) is installed multiunit button (201), and button (201) are located one side of display screen (2).

4. The apparatus for detecting volatile organic compounds in the atmosphere according to claim 1, wherein: connecting block (401) is installed on the top of telescopic link (4), and connecting rod (402) is installed to the outer wall of backup pad (301), and the one end of connecting rod (402) extends to the outer wall of connecting block (401).

5. The apparatus for detecting volatile organic compounds in the atmosphere according to claim 1, wherein: support shaft (501) are installed to the inner wall of regulator (5), and support ring (502) are installed on the top of support shaft (501), and servo motor (504) No. one are installed at the top of support ring (502), and hose (503) are installed to the one end of intake pipe (307), and the one end of hose (503) extends to the outer wall of discharge pipe (303).

6. The apparatus for detecting volatile organic compounds in the atmosphere according to claim 1, wherein: and a conveying pipe (601) is arranged at the bottom of the gas sensor (6).

7. The apparatus for detecting volatile organic compounds in the atmosphere according to claim 1, wherein: filter (7) are installed to the inner wall of box (1), and filter (7) are located one side of gas sensor (6), dust screening ware (701) is installed to the inner wall of filter (7), filter screen (702) are installed to the inner wall of dust screening ware (701), moisture screening ware (703) are installed at the top of dust screening ware (701), two sets of No. two servo motor (705) are installed to the inner wall of dust screening ware (701), driving-disc (706) are installed to the output of No. two servo motor (705), restorer (707) are installed to the inner wall of dust screening ware (701), and restorer (707) are located one side of No. two servo motor (705), actuating lever (704) are installed in the inner wall of restorer (707) through.

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