CN219532645U

CN219532645U - Atmospheric environment monitoring is with gaseous sampling device

Info

Publication number: CN219532645U
Application number: CN202320778927.2U
Authority: CN
Inventors: 杜文婷; 王奇; 王守双; 陈肖
Original assignee: Qingdao Sentian Environmental Technology Co ltd
Current assignee: Qingdao Sentian Environmental Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-08-15
Anticipated expiration: 2033-04-11

Abstract

The utility model discloses a gas sampling device for atmospheric environment monitoring, which comprises a fixed box, wherein the other side of the top of the fixed box is arranged on an air suction fan, the top of the other side of the fixed box is connected with an air outlet pipe, and a sealing structure is arranged in an air inlet cylinder; the piston is connected in the fixed box inner chamber in a sliding way, a sliding rod is arranged on one side of the top of the piston in a threaded way, a fixed plate and an extrusion plate are fixedly connected to the top of the sliding rod, and sounding air bags are connected to the top of the extrusion plate and the bottom of the fixed plate. According to the utility model, through the cooperation of the air inlet cylinder, the fixed box, the filter plate and the air suction fan, sand and dust in air flow are filtered, the air suction fan is prevented from being blocked due to the fact that the sand and dust enter the air suction fan, the gas entering the fixed box extrudes the piston, the original gas in the fixed box can be discharged from the exhaust pipe, the influence of mixing of sampled gas and the original gas on the accuracy of data is avoided, the air inlet cylinder is closed through the sealing structure, the collected gas is prevented from leaking from the air inlet cylinder through the air suction fan, and the monitoring accuracy is improved.

Description

Atmospheric environment monitoring is with gaseous sampling device

Technical Field

The utility model relates to the technical field of gas sampling, in particular to a gas sampling device for atmospheric environment monitoring.

Background

Along with the development of economy and the acceleration of the urban process of society, environmental protection is increasingly important, environmental problems such as building dust, automobile exhaust, industrial emission and the like are prominent, the content of the atmospheric environment is accurately and timely predicted through environmental monitoring, emergency can be early warned, and the atmospheric gas sampling is an important step for environmental monitoring.

When sampling gas, because the original gas inside the sampling device is mixed, the accuracy of monitoring data is easily affected, and the gas sampling is difficult to observe through naked eyes, so that the gas is easily collected too much, and the problem of cracking damage caused by too high pressure inside the sampling device occurs.

Disclosure of Invention

The utility model aims to provide a gas sampling device for atmospheric environment monitoring, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a gas sampling apparatus for atmospheric environmental monitoring, comprising:

the air inlet device comprises a fixed box, wherein a fixed box is arranged on one side of the top of the fixed box, an air inlet cylinder is arranged on one side of the fixed box, the other side of the top of the fixed box is arranged on an air suction fan, an exhaust pipe is connected to the bottom of one side of the fixed box, an air outlet pipe is connected to the top of the other side of the fixed box, and a sealing structure is arranged inside the air inlet cylinder;

the piston is connected to the inner cavity of the fixed box in a sliding way, a sliding rod is arranged on one side of the top of the piston in a threaded way, a fixed plate is fixedly connected to the top of the sliding rod, an extrusion plate is sleeved at the upper end of the sliding rod in a sliding way, sounding air bags are connected to the top of the extrusion plate and the bottom of the fixed plate, and a first spring is sleeved at the top end of the sliding rod;

seal structure, seal structure include bracing piece and connecting rod, bracing piece top and bottom and an inlet tube inner wall fixed connection, bracing piece one side and connecting rod sliding connection, the connecting rod passes the tip of bracing piece opposite side and installs the baffle, and the closing plate is installed to the connecting rod other end, is connected with the second spring between baffle and the bracing piece.

As the further preferred of this technical scheme, the jack has been seted up at fixed box top, and sliding connection has the filter in the jack, and the inside bottom laminating contact of filter and fixed box, the handle is installed on the top that the filter stretched out the jack.

As a further preferable mode of the technical scheme, the input end of the air suction fan is connected with the other side of the fixed box, the input end of the air suction fan is connected with the other side of the top of the fixed box, and a valve is matched on the air outlet pipe.

As a further preferable mode of the technical scheme, a sliding hole is formed in the other side of the top of the fixed box, a sliding rod is connected with the sliding hole in a sliding penetrating mode, the bottom of the extrusion plate is in extrusion contact with the top of the fixed box, and two ends of the first spring are connected with the top of the extrusion plate and the bottom of the fixed plate.

As the further preferred of this technical scheme, the stopper is all installed to the inside top of section of thick bamboo and bottom that admit air, and the one side that the stopper is close to is with baffle sliding connection, and closing plate top and bottom do not contact with the section of thick bamboo inner wall that admits air.

The utility model provides a gas sampling device for atmospheric environment monitoring, comprising the following components

The beneficial effects are that:

according to the utility model, through the cooperation of the air inlet cylinder, the fixed box, the filter plate and the air suction fan, sand and dust in air flow are filtered, the air suction fan is prevented from being blocked by the sand and dust entering the air suction fan, filtered air is conveyed into the fixed box through the air suction fan, the air entering the fixed box is extruded by the piston, the original air in the fixed box can be discharged from the exhaust pipe, the influence of mixing of sampled air and the original air on the accuracy of data is avoided, when the air in the fixed box is fully collected, the exhaust pipe is closed by the piston, the extrusion plate is limited by the fixed box to extrude the sounding air bag, the air suction fan is reminded to be closed for a user, the air inlet cylinder is closed by the sealing structure, the collected air is prevented from leaking from the air inlet cylinder through the air suction fan, and the monitoring accuracy is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the mounting structure of the slide bar on the piston according to the present utility model;

FIG. 3 is a schematic view of the connection structure of the piston, slide bar and stationary box of the present utility model;

FIG. 4 is a schematic view showing the effect of using the air bag of the present utility model;

fig. 5 is a schematic view of the internal structure of the air inlet cylinder of the utility model.

In the figure: 1. a fixed box; 2. a fixed box; 201. an air inlet cylinder; 3. an air suction fan; 4. an air outlet pipe; 5. an exhaust pipe; 6. a filter plate; 7. a slide bar; 8. a piston; 9. a fixing plate; 10. an extrusion plate; 11. a sounding airbag; 12. a first spring; 13. a support rod; 14. a connecting rod; 15. a baffle; 16. a second spring; 17. a sealing plate; 18. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific embodiments of the present utility model will be described below with reference to the accompanying drawings

As shown in fig. 1, a gas sampling apparatus for monitoring an atmospheric environment includes:

as shown in fig. 1, a fixed box 2 is installed on one side of the top of the fixed box 1, an air inlet cylinder 201 is provided on one side of the fixed box 2, two sides of the air inlet cylinder 201 are opened, the other side of the top of the fixed box 1 is installed on an air suction fan 3, the air suction fan 3 is electrically connected with an external power switch, an exhaust pipe 5 is connected to the bottom of one side of the fixed box 1, an air outlet pipe 4 is connected to the top of the other side of the fixed box 1, a sealing structure is arranged inside the air inlet cylinder 201, and the air inlet cylinder 201 is closed through the sealing structure.

As shown in fig. 1, the input end of the air suction fan 3 is connected with the other side of the fixed box 2, the input end of the air suction fan 3 is connected with the other side of the top of the fixed box 1, a valve is matched on the air outlet pipe 4, the internal conduction between the fixed box 2 and the fixed box 1 is realized through the air suction fan 3, and the valve is used for opening and closing the air outlet pipe 4.

As shown in FIG. 1, the jack is provided at the top of the fixed box 2, the filter plate 6 is slidably connected in the jack, the bottom of the filter plate 6 is in contact with the bottom of the fixed box 2, the handle is mounted at the top end of the filter plate 6 extending out of the jack, the filter plate 6 is replaced by a user through the handle, the filter screen is embedded at the lower end of the filter plate 6, and the jack plays a role of limiting the filter plate.

As shown in fig. 2, fig. 3 and fig. 4, piston 8 sliding connection is in fixed case 1 inner chamber, piston 8 top one side screw thread installation has slide bar 7, piston 8 outside and fixed case 1 inner wall sliding connection, blast pipe 5 is closed when the inside bottom of fixed case 1 is laminated to piston 8 bottom, slide bar 7 top fixedly connected with fixed plate 9, slide bar 7 upper end slip cap is equipped with stripper plate 10, stripper plate 10 top and fixed plate 9 bottom are connected with sounding gasbag 11, slide bar 7 top cover is equipped with first spring 12, fixed plate 9 and first spring 12 play spacing stripper plate 10 sliding distance's effect, fixed plate 9 and stripper plate 10 extrude sounding gasbag 11, send sound through sounding gasbag 11 and remind the user.

As shown in fig. 2, 3 and 4, a sliding hole is formed in the other side of the top of the fixed box 1, the sliding rod 7 is connected with the sliding hole in a sliding and penetrating manner, the sliding hole plays a role of limiting the sliding rod 7, the bottom of the extrusion plate 10 is in extrusion contact with the top of the fixed box 1, the extrusion plate 10 is extruded by the fixed box 1 to slide up and down on the outer side of the sliding rod 7, and two ends of the first spring 12 are connected with the top of the extrusion plate 10 and the bottom of the fixed plate 9.

As shown in fig. 1 and 5, the sealing structure comprises a supporting rod 13 and a connecting rod 14, wherein the top and the bottom of the supporting rod 13 are fixedly connected with the inner wall of an air inlet cylinder 201, two ends of the supporting rod 13 are not contacted with the inner wall of the air inlet cylinder 201, gas can pass through gaps between two ends of the supporting rod 13 and the air inlet cylinder 201, one side of the supporting rod 13 is slidably connected with the connecting rod 14, the supporting rod 13 plays a role of limiting the connecting rod 14, and a baffle 15 is installed at the end part of the connecting rod 14 penetrating through the other side of the supporting rod 13.

As shown in fig. 1 and 5, the top and the bottom of the inside of the air inlet barrel 201 are both provided with limiting blocks 18, one surface, close to the limiting blocks 18, of each limiting block is in sliding connection with the baffle 15, a cavity is formed between each limiting block 18 and the air inlet barrel 201, the cavity is matched with the size of the baffle 15, the baffle 15 is clamped in the cavity to close the air inlet barrel 201, and the top and the bottom of the sealing plate 17 are not in contact with the inner wall of the air inlet barrel 201. The sealing plate 17 is connected with the inner wall of the air inlet cylinder 201 in a sliding manner at two ends of the sealing plate 17, gas can pass through gaps between the top and the bottom of the sealing plate 17 and the air inlet cylinder 201, the sealing plate 17 is arranged at the other end of the connecting rod 14, a second spring 16 is connected between the baffle 15 and the supporting rod 13, and the second spring 16 plays a role in limiting the sliding distance of the baffle 15.

When the air suction fan 3 is started, the baffle 15 is subjected to suction sliding to drive the second spring 16 to stretch and separate from the limiting block 18, air enters the fixed box 2 from the gaps between the air inlet barrel 201, the supporting rod 13 and the baffle 15 and the limiting block 18, the air is filtered through the filter plate 6 and discharged into the fixed box 1 through the output end, the air inside the air inlet fixed box 1 extrudes the piston 8, the piston 8 slides inside the fixed box 1 and discharges the original air inside the fixed box 1 from the exhaust pipe 5, meanwhile, the piston drives the sliding rod 7 to slide, when the air inside the fixed box 1 is fully collected, the extruding plate 10 is in extrusion contact with the top of the fixed box 1, the extruding plate 10 is extruded to slide and extrude the air bag 11 to the first spring 12, the air bag 11 is reminded, the user closes the air suction fan 3, and the elasticity of the second spring 16 drives the baffle 15 to restore to the original position, so that the air inlet 201 is closed.

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

Claims

1. A gas sampling device for atmospheric environmental monitoring, comprising:

the air inlet device comprises a fixed box (1), wherein a fixed box (2) is arranged on one side of the top of the fixed box (1), an air inlet cylinder (201) is arranged on one side of the fixed box (2), the other side of the top of the fixed box (1) is arranged on an air suction fan (3), an exhaust pipe (5) is connected to the bottom of one side of the fixed box (1), an air outlet pipe (4) is connected to the top of the other side of the fixed box (1), and a sealing structure is arranged inside the air inlet cylinder (201);

the piston (8), the piston (8) is connected to the inner cavity of the fixed box (1) in a sliding way, a sliding rod (7) is installed on one side of the top of the piston (8) in a threaded way, a fixed plate (9) is fixedly connected to the top of the sliding rod (7), an extrusion plate (10) is sleeved at the upper end of the sliding rod (7) in a sliding way, a sounding air bag (11) is connected to the top of the extrusion plate (10) and the bottom of the fixed plate (9), and a first spring (12) is sleeved at the top end of the sliding rod (7);

seal structure, seal structure include bracing piece (13) and connecting rod (14), bracing piece (13) top and bottom and inlet tube (201) inner wall fixed connection, bracing piece (13) one side and connecting rod (14) sliding connection, baffle (15) are installed to the tip of connecting rod (14) through bracing piece (13) opposite side, closing plate (17) are installed to the connecting rod (14) other end, are connected with second spring (16) between baffle (15) and bracing piece (13).

2. The gas sampling apparatus for atmospheric environmental monitoring according to claim 1, wherein: the jack has been seted up at fixed box (2) top, and sliding connection has filter (6) in the jack, and the laminating contact of filter (6) bottom and the inside bottom of fixed box (2), the handle is installed on the top that filter (6) stretched out the jack.

3. The gas sampling apparatus for atmospheric environmental monitoring according to claim 1, wherein: the input end of the air suction fan (3) is connected with the other side of the fixed box (2), the input end of the air suction fan (3) is connected with the other side of the top of the fixed box (1), and a valve is matched on the air outlet pipe (4).

4. The gas sampling apparatus for atmospheric environmental monitoring according to claim 1, wherein: the sliding rod (7) is connected with the sliding hole in a sliding penetrating mode, the bottom of the extrusion plate (10) is in extrusion contact with the top of the fixed box (1), and two ends of the first spring (12) are connected with the top of the extrusion plate (10) and the bottom of the fixed plate (9).

5. The gas sampling apparatus for atmospheric environmental monitoring according to claim 1, wherein: limiting blocks (18) are arranged at the top and the bottom of the inside of the air inlet cylinder (201), one surface, close to the limiting blocks (18), of the sealing plate (17) is in sliding connection with the baffle plate (15), and the top and the bottom of the sealing plate are not in contact with the inner wall of the air inlet cylinder (201).