CN220120484U

CN220120484U - Air sampling device

Info

Publication number: CN220120484U
Application number: CN202321190700.2U
Authority: CN
Inventors: 李晨瑞; 甘智东; 彭瑞; 游峻松
Original assignee: Chichen Technology Yunnan Co ltd
Current assignee: Chichen Technology Yunnan Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-12-01
Anticipated expiration: 2033-05-17

Abstract

The utility model discloses an air sampling device which comprises a main body, wherein a supporting plate is fixedly connected to the left inner side surface of the main body, an air pump is fixedly connected to the upper surface of the supporting plate, the output end and the input end of the air pump are fixedly connected with pipelines, a connecting pipe is fixedly connected to the surface of the pipeline arranged at the output end of the air pump, a first electromagnetic valve is arranged on the surface of the pipeline far away from the output end of the air pump, the position of the first electromagnetic valve is positioned on the right side of the connecting pipe, and a shell is fixedly connected to the surface of the connecting pipe far away from the pipeline. Through above-mentioned structure, through setting up first solenoid valve cooperation second solenoid valve and air pressure sensor, can be under the condition that the sampling bottle is full of, close through control second solenoid valve, the rethread opens first solenoid valve and accomplish the air sampling with unnecessary air discharge, is favorable to preventing the sample in the sampling bottle and takes place the loss, prevents simultaneously that external air from mixing in the sampling bottle, guarantees the accuracy nature that detects the air sample result.

Description

Air sampling device

Technical Field

The utility model relates to the technical field of sampling equipment, in particular to an air sampling device.

Background

Air sampling is to collect air in a specific area as a sample to detect, so as to judge the overall air quality of the area, and in order to sample the air more conveniently, an air sampling device is proposed.

At present, after air is sampled, a connecting pipe connected with a sampling bottle is directly pulled out, and the sampling bottle is communicated with the outside before the connecting pipe is pulled out, so that part of air samples in the sampling bottle can escape at the moment, and the outside air can be mixed into the sampling bottle, so that the problem of deviation of detection results occurs in the air sample detection process.

Disclosure of Invention

The utility model provides an air sampling device, which can complete air sampling by controlling the second electromagnetic valve to be closed and then opening the first electromagnetic valve to discharge redundant air under the condition that a sampling bottle is full, is beneficial to preventing air samples in the sampling bottle from escaping, and simultaneously prevents outside air from being mixed into the sampling bottle, so that the accuracy of the result of detecting the air samples is ensured.

In order to achieve the above-mentioned purpose, provide an air sampling device, which comprises a main body, the left side inboard fixedly connected with backup pad of main part, the last fixedly connected with air pump of backup pad, the output and the input fixedly connected with pipeline of air pump, the fixedly connected with connecting pipe of the pipeline of installing at the air pump output, the surface mounting who keeps away from the pipeline of air pump output has first solenoid valve, the position of first solenoid valve is located the right side of connecting pipe, the fixedly connected with casing of pipeline is kept away from to the connecting pipe, the surface mounting of casing has the second solenoid valve, the right side fixedly connected with air pressure sensor of casing. Through setting up the backup pad and be for conveniently fixing a position the effect of installation to the air pump, produce the negative pressure and with external air absorbing effect through setting up the air pump for conveniently breathing in, be for conveniently carry the effect of air through setting up the pipeline, be for conveniently carry the effect in the sample bottle with the air through setting up the connecting pipe, be the effect of control air current break-make through setting up solenoid valve and second solenoid valve, be for conveniently installing the effect of atmospheric pressure detection part and second solenoid valve through setting up the casing, be for conveniently detecting the atmospheric pressure in the sample bottle through setting up the air pressure sensor so judge whether the sample bottle is full effect.

According to the air sampling device, a sampling bottle is placed at the inner bottom of the main body, a sealing plug is installed at the bottle opening of the sampling bottle, and the lower surface of the shell is fixedly connected with a mounting plate. Through setting up the effect that the sampling bottle is in order to conveniently collect the air sample, be in order to prevent through setting up the sealing plug that the air sample in the sampling bottle from taking place the effect of leaking, be in order to conveniently fix a position the effect of installation to the syringe needle through setting up the mounting panel.

According to the air sampling device, the needle is fixedly connected to the lower surface of the mounting plate, the bottom of the needle penetrates through the sealing plug to extend into the sampling bottle, and the top of the needle penetrates through the mounting plate to extend into the shell. The needle is arranged to facilitate the injection of the air sample into the sampling bottle.

According to the air sampling device, the pipeline is far away from the input end of the air pump and extends to the outside of the main body, and is fixedly connected with the connector, and the pipeline is far away from the output end of the air pump and extends to the outside of the main body. The connector is arranged to facilitate connection and installation of the corrugated hose.

According to the air sampling device, the corrugated hose is arranged at the other end of the connector, and the corrugated hose is far away from the connector and is fixedly connected with the mounting piece. The height of the air suction port is changed at will through the arrangement of the corrugated hose, and the function of positioning the corrugated hose is convenient through the arrangement of the mounting piece.

According to the air sampling device, the front side surface and the rear side surface of the mounting piece are fixedly connected with the fixing plates, the upper surface of the main body is fixedly connected with the electric push rod, and the movable end of the electric push rod is fixedly connected with the lower surface of the fixing plates. The fixing plate is arranged to facilitate positioning and supporting, and the electric push rod is arranged to control the height of the air suction port of the corrugated hose by controlling the expansion and contraction of the electric push rod.

According to the air sampling device, an electric control box is fixedly connected to the inner bottom of the main body, the electric control box is located on the left side of the sampling bottle, a control panel is fixedly connected to the front side surface of the main body, and the front side surface of the main body is close to the bottom edge and is rotationally connected with the door body. The function of the normal operation of the control device is convenient by arranging the electric control box and the control panel, and the function of taking out and replacing the sampling bottle is convenient by arranging the door body.

The utility model has the beneficial effects that: through setting up first solenoid valve cooperation second solenoid valve and air pressure sensor, can be under the condition that the sampling bottle is full of, close through control second solenoid valve, the air sampling is accomplished with unnecessary air discharge to the rethread opening first solenoid valve, is favorable to preventing the sample of air in the sampling bottle and takes place the loss, prevents simultaneously that outside air from mixing in the sampling bottle, guarantees the accuracy nature that detects the air sample result.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a perspective view showing an external structure of an air sampling device according to the present utility model;

FIG. 2 is a front view showing the internal structure of an air sampling device according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

fig. 4 is an enlarged view of B of fig. 2 in accordance with the present utility model.

Legend description:

1. a main body; 2. a first electromagnetic valve; 3. a pipe; 4. a connecting pipe; 5. a sealing plug; 6. a sampling bottle; 7. a corrugated hose; 8. a connector; 9. an air pump; 10. a support plate; 11. an electric control box; 12. a housing; 13. a mounting plate; 14. a needle; 15. an air pressure sensor; 16. a second electromagnetic valve; 17. a mounting member; 18. an electric push rod; 19. a fixing plate; 20. a control panel; 21. a door body.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1 to 4, an air sampling device according to an embodiment of the present utility model includes a main body 1, a support plate 10 is fixedly connected to a left inner side surface of the main body 1, an air pump 9 is fixedly connected to an upper surface of the support plate 10, an output end and an input end of the air pump 9 are fixedly connected to a pipe 3, a connection pipe 4 is fixedly connected to a surface of the pipe 3 installed at the output end of the air pump 9, a first electromagnetic valve 2 is installed on a surface of the pipe 3 far away from the output end of the air pump 9, the first electromagnetic valve 2 is located on a right side of the connection pipe 4, a casing 12 is fixedly connected to a surface of the connection pipe 4 far away from the pipe 3, a second electromagnetic valve 16 is installed on a surface of the casing 12, an air pressure sensor 15 is fixedly connected to a right side surface of the casing 12, a sampling bottle 6 is placed in an inner bottom of the main body 1, a sealing plug 5 is installed at a bottle mouth of the sampling bottle 6, a mounting plate 13 is fixedly connected to a lower surface of the casing 12, and the sealing plug 5 is made of silica gel material.

The lower surface of mounting panel 13 fixedly connected with syringe needle 14, the bottom of syringe needle 14 runs through sealing plug 5 and extends to the inside of sampling bottle 6, and the top of syringe needle 14 runs through mounting panel 13 and extends to the inside of casing 12, and syringe needle 14 is unanimous with the syringe needle structure of medical syringe, and sampling bottle 6 is the vacuum state before not sampling.

The pipeline 3 is kept away from the outside fixedly connected with connector 8 that the input of air pump 9 extends to main part 1, and the pipeline 3 is kept away from the output of air pump 9 and is extended to the outside of main part 1, and bellows 7 is installed to the other end of connector 8, and bellows 7 is kept away from connector 8 fixedly connected with installed part 17.

The front and back side surfaces of the mounting piece 17 are fixedly connected with a fixing plate 19, the upper surface of the main body 1 is fixedly connected with an electric push rod 18, and the movable end of the electric push rod 18 is fixedly connected with the lower surface of the fixing plate 19.

The inner bottom of the main body 1 is fixedly connected with an electric control box 11, the position of the electric control box 11 is positioned on the left side of the sampling bottle 6, the front side surface of the main body 1 is fixedly connected with a control panel 20, and the front side surface of the main body 1 is in rotary connection with a door body 21 close to the bottom edge.

Working principle: when the air sampling device is used, the door body 21 is opened to put the sampling bottle 6 into the main body 1, the electric push rod 18 is controlled to extend, the air suction port of the corrugated hose 7 is adjusted to a specified height, then the air pump 9 is used for pumping air at the specified height, the air sucked by the air pump enters the shell 12 through the corrugated hose 7, the pipeline 3 and the connecting pipe 4, then the second electromagnetic valve 16 is opened to enable the air to be discharged from the needle 14, the needle 14 penetrates the sealing plug 5 to be inserted into the sampling bottle 6 after the air in the pipeline is emptied for 1-2 minutes, when the air pressure sensor 15 detects that the air pressure value reaches a set value, the sampling bottle 6 can be judged to be full of the air sample at the moment, then the second electromagnetic valve 16 is controlled to be closed, the first electromagnetic valve 2 is opened to convey redundant air to be discharged at the moment, and then the needle 14 is pulled out.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides an air sampling device, includes main part (1), its characterized in that, the left side inboard fixed surface of main part (1) is connected with backup pad (10), the last fixed surface of backup pad (10) is connected with air pump (9), the output and the input fixedly connected with pipeline (3) of air pump (9), install fixed surface of pipeline (3) at air pump (9) output have connecting pipe (4), keep away from the surface mounting of pipeline (3) of air pump (9) output have first solenoid valve (2), the position of first solenoid valve (2) is located the right side of connecting pipe (4), the fixed surface of pipeline (3) is kept away from to connecting pipe (4) is connected with casing (12), the surface mounting of casing (12) has second solenoid valve (16), the right side fixed surface of casing (12) is connected with air pressure sensor (15).

2. An air sampling device according to claim 1, characterized in that the sampling bottle (6) is placed at the inner bottom of the main body (1), the sealing plug (5) is installed at the bottle mouth of the sampling bottle (6), and the mounting plate (13) is fixedly connected with the lower surface of the shell (12).

3. An air sampling device according to claim 2, characterized in that the lower surface of the mounting plate (13) is fixedly connected with a needle (14), the bottom of the needle (14) extends through the sealing plug (5) to the interior of the sampling bottle (6), and the top of the needle (14) extends through the mounting plate (13) to the interior of the housing (12).

4. An air sampling device according to claim 1, characterized in that the pipe (3) extends away from the input end of the air pump (9) to the outside of the main body (1) and is fixedly connected with the connector (8), and the pipe (3) extends away from the output end of the air pump (9) to the outside of the main body (1).

5. An air sampling device according to claim 4, characterized in that the other end of the connector (8) is provided with a corrugated hose (7), and the corrugated hose (7) is fixedly connected with a mounting member (17) away from the connector (8).

6. An air sampling device according to claim 5, wherein the front and rear side surfaces of the mounting member (17) are fixedly connected with fixing plates (19), the upper surface of the main body (1) is fixedly connected with an electric push rod (18), and the movable end of the electric push rod (18) is fixedly connected with the lower surface of the fixing plates (19).

7. An air sampling device according to claim 1, characterized in that the inner bottom of the main body (1) is fixedly connected with an electric control box (11), the position of the electric control box (11) is positioned at the left side of the sampling bottle (6), the front side surface of the main body (1) is fixedly connected with a control panel (20), and the front side surface of the main body (1) is close to the bottom edge and is rotationally connected with a door body (21).