CN219284776U

CN219284776U - Sampling device for gas analyzer

Info

Publication number: CN219284776U
Application number: CN202320730402.1U
Authority: CN
Inventors: 焦云; 程文静
Original assignee: LIANYUNGANG ENVIRONMENTAL MONITORING CENTER
Current assignee: LIANYUNGANG ENVIRONMENTAL MONITORING CENTER
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-06-30
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a sampling device for a gas analyzer, which comprises an analyzer body, wherein a power box is fixedly arranged at the top end of the analyzer body, an exhaust box is fixedly arranged at one side of the power box, an air inlet hole is formed in one end of the exhaust box, a water absorption block is fixedly arranged at the position of the air inlet hole, a sliding groove is formed in the exhaust box, a piston ring is arranged in the sliding groove, and a pushing rod is fixedly arranged at one end of the piston ring. According to the utility model, the water absorption block is arranged, the motor drives the screw rod to rotate, the screw rod nut drives the connecting block to move under the supporting guide of the sliding block and the sliding rail, the connecting block drives the supporting rod to further drive the pushing block to move, the pushing block drives the pushing rod and the piston ring to move in the sliding groove, and the air inside the sliding groove and the external air form a pressure difference due to the fact that the radius of the air inlet is smaller than that of the sliding groove, and the external air reaches the inside of the sliding groove through the air inlet after being dehydrated by the water absorption block, so that the accuracy of data detection of the gas analyzer is improved.

Description

Sampling device for gas analyzer

Technical Field

The utility model relates to the technical field of gas analyzers, in particular to a sampling device for a gas analyzer.

Background

The gas analyzer is a flow analysis instrument for measuring gas components, and is widely used because of the diversity of the analyzed gas and the diversity of analysis principles, such as a thermal conductivity type gas analyzer, an electrochemical type gas analyzer, an infrared absorption type analyzer and the like.

In the process of extracting gas detection, the gas analyzer often encounters the condition of high air humidity, and part of water in the air needs to be filtered, so that the accuracy of detection data of the gas analyzer is improved.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a sampling device for a gas analyzer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a sampling device for gas analysis appearance, includes the analysis appearance body, analysis appearance body top fixed mounting has the headstock, headstock one side fixed mounting has the extraction tank, the inlet port has been seted up to extraction tank one end, inlet port position department fixed mounting has the piece that absorbs water, the sliding tray has been seted up to the extraction tank inside, be provided with the piston ring in the sliding tray, piston ring one end fixed mounting has the catch bar, the catch bar runs through extraction tank and one end fixed mounting has the piece that promotes, the piston ring is the same with the sliding tray radius, the venthole has been seted up to extraction tank one side, venthole position department fixed mounting has the intake pipe, intake pipe one end and analysis appearance body fixed connection.

Further, the motor is fixedly arranged at the bottom end of the inner wall of the power box through the mounting seat, the screw rod is fixedly arranged at the output end of the motor, the screw rod nut is spirally arranged outside the screw rod, and the connecting block is fixedly arranged at one side of the screw rod nut.

Further, two symmetrical sliding rails are fixedly arranged at the bottom end of the inner wall of the power box, sliding blocks are slidably arranged on the sliding rails, a connecting rod is fixedly arranged at one end of each sliding block, and the connecting rod is fixedly connected with the connecting block.

Further, a rectangular hole is formed in the top end of the power box, a supporting rod is fixedly mounted on one side of the connecting block, and the supporting rod is fixedly connected with the pushing block.

Furthermore, a switch valve is fixedly arranged on the air inlet pipe, and the radius of the air inlet hole is smaller than that of the sliding groove.

Further, the water absorbing block is made of absorbent cotton, and the piston ring is made of rubber.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the water absorption block is arranged, the motor drives the screw rod to rotate, the screw rod nut moves to one side along the axial direction of the screw rod, the screw rod nut drives the connecting block to move under the supporting guide of the sliding block and the sliding rail, the connecting block drives the supporting rod to further drive the pushing block to move, the pushing block drives the pushing rod and the piston ring to move in the sliding groove, the air inside the sliding groove and the external air form a pressure difference because the radius of the air inlet hole is smaller than that of the sliding groove, the external air reaches the inside of the sliding groove through the air inlet hole after the water absorption block removes water, the sampling air enters the air inlet pipe through the air outlet hole along with the movement of the piston ring, and then enters the analyzer body through the air inlet pipe to perform gas analysis work, so that the accuracy of the detection data of the gas analyzer is improved.

2. According to the utility model, the switch valve is arranged, when the next gas analysis work is carried out, the switch valve is closed, and the piston ring pushes the residual gas in the sliding groove to the outside, so that the interference of the residual gas is prevented, and the experimental result is inaccurate.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a sampling device for a gas analyzer according to the present utility model;

FIG. 2 is a schematic diagram showing the installation of a water absorption block of a sampling device for a gas analyzer on an air extraction tank;

FIG. 3 is a schematic cross-sectional view of an exhaust box of a sampling device for a gas analyzer according to the present utility model;

FIG. 4 is a schematic diagram showing the connection between a pushing block and a supporting rod of a sampling device for a gas analyzer according to the present utility model;

fig. 5 is a schematic diagram of the structure of an extraction box of a sampling device for a gas analyzer according to the present utility model.

In the figure: 1. an analyzer body; 2. a power box; 3. an exhaust box; 4. an air inlet hole; 5. a water absorption block; 6. a sliding groove; 7. a piston ring; 8. a push rod; 9. a pushing block; 10. an air outlet hole; 11. an air inlet pipe; 12. a motor; 13. a screw rod; 14. a screw nut; 15. a connecting block; 16. a slide rail; 17. a slide block; 18. a connecting rod; 19. a rectangular hole; 20. a support rod; 21. and (3) switching the valve.

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.

Referring to fig. 1-5, a sampling device for a gas analyzer comprises an analyzer body 1, a power box 2 is fixedly installed at the top end of the analyzer body 1, an air suction box 3 is fixedly installed at one side of the power box 2, an air inlet hole 4 is formed at one end of the air suction box 3, a water suction block 5 is fixedly installed at the position of the air inlet hole 4, a sliding groove 6 is formed in the air suction box 3, a piston ring 7 is arranged in the sliding groove 6, a pushing rod 8 is fixedly installed at one end of the piston ring 7, a pushing block 9 penetrates through the air suction box 3 and is fixedly installed at one end of the pushing rod 8, the radius of the piston ring 7 is the same as that of the sliding groove 6, an air outlet hole 10 is formed at one side of the air suction box 3, an air inlet pipe 11 is fixedly installed at the position of the air outlet hole 10, one end of the air inlet pipe 11 is fixedly connected with the analyzer body 1, the pushing block 9 drives the pushing rod 8 and the piston ring 7 to move in the sliding groove 6, and sampling gas enters the air inlet pipe 11 along with the movement of the piston ring 7 through the air outlet hole 10, and then enters the analyzer body 1 through the air inlet pipe 11 to perform gas analysis work along with the movement of the piston ring 7.

Referring to fig. 4, the present utility model is specifically: the motor 12 is fixedly arranged at the bottom end of the inner wall of the power box 2 through a mounting seat, a screw rod 13 is fixedly arranged at the output end of the motor 12, a screw rod nut 14 is spirally arranged outside the screw rod 13, and a connecting block 15 is fixedly arranged at one side of the screw rod nut 14.

Referring to fig. 4, the present utility model is specifically: two symmetrical sliding rails 16 are fixedly arranged at the bottom end of the inner wall of the power box 2, sliding blocks 17 are slidably arranged on the sliding rails 16, a connecting rod 18 is fixedly arranged at one end of each sliding block 17, the connecting rod 18 is fixedly connected with a connecting block 15, a motor 12 drives a screw rod 13 to rotate, a screw rod nut 14 moves to one side along the axial direction of the screw rod 13, and the screw rod nut 14 drives the connecting block 15 to move under the supporting guide of the sliding blocks 17 and the sliding rails 16.

Referring to fig. 2 to 4, the present utility model is specifically: rectangular holes 19 are formed in the top end of the power box 2, a supporting rod 20 is fixedly arranged on one side of the connecting block 15, and the supporting rod 20 is fixedly connected with the pushing block 9.

Referring to fig. 3, the present utility model is specifically: the air inlet pipe 11 is fixedly provided with a switch valve 21, the radius of the air inlet hole 4 is smaller than that of the sliding groove 6, the air inside the sliding groove 6 and the external air form a pressure difference, and the external air reaches the inside of the sliding groove 6 through the air inlet hole 4 after being dehydrated by the water absorption block 5.

Referring to fig. 2-3, the present utility model is specifically: the absorbent block 5 is made of absorbent cotton, has good water absorption, and the piston ring 7 is made of rubber.

Working principle: starting the motor 12, the motor 12 drives the screw rod 13 to rotate, the screw rod nut 14 moves to one side along the axis direction of the screw rod 13, the screw rod nut 14 drives the connecting block 15 to move under the supporting guide of the sliding block 17 and the sliding rail 16, the connecting block 15 drives the supporting rod 20 to further drive the pushing block 9 to move, the pushing block 9 drives the pushing rod 8 and the piston ring 7 to move in the sliding groove 6, the radius of the air inlet hole 4 is smaller than that of the sliding groove 6, the air in the sliding groove 6 and the external air form a pressure difference, the external air reaches the inside of the sliding groove 6 through the air inlet hole 4 after being dehydrated through the water absorbing block 5, the sampling air enters the air inlet pipe 11 through the air outlet hole 10 along with the movement of the piston ring 7, then enters the analyzer body 1 through the air inlet pipe 11 to perform gas analysis work, the switching valve 21 is closed when the next gas analysis work is performed, the piston ring 7 pushes the residual air in the sliding groove 6 to the outside, and the residual air interference is prevented, and the experimental result is inaccurate.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

Claims

1. The utility model provides a sampling device for gas analysis appearance, its characterized in that, including analysis appearance body (1), analysis appearance body (1) top fixed mounting has headstock (2), headstock (2) one side fixed mounting has extraction box (3), inlet port (4) have been seted up to extraction box (3) one end, inlet port (4) position department fixed mounting has water absorption piece (5), sliding tray (6) have been seted up to extraction box (3) inside, be provided with piston ring (7) in sliding tray (6), piston ring (7) one end fixed mounting has catch bar (8), catch bar (8) run through extraction box (3) and one end fixed mounting have catch block (9), piston ring (7) are the same with sliding tray (6) radius, venthole (10) have been seted up to extraction box (3) one side, inlet tube (11) position department fixed mounting has intake tube (11), intake tube (11) one end and analysis appearance body (1) fixed connection.

2. The sampling device for the gas analyzer according to claim 1, wherein a motor (12) is fixedly arranged at the bottom end of the inner wall of the power box (2) through a mounting seat, a screw rod (13) is fixedly arranged at the output end of the motor (12), a screw rod nut (14) is spirally arranged outside the screw rod (13), and a connecting block (15) is fixedly arranged at one side of the screw rod nut (14).

3. The sampling device for the gas analyzer according to claim 2, wherein two symmetrical sliding rails (16) are fixedly arranged at the bottom end of the inner wall of the power box (2), sliding blocks (17) are slidably arranged on the sliding rails (16), a connecting rod (18) is fixedly arranged at one end of each sliding block (17), and the connecting rod (18) is fixedly connected with the connecting block (15).

4. A sampling device for a gas analyzer according to claim 3, wherein a rectangular hole (19) is formed in the top end of the power box (2), a support rod (20) is fixedly mounted on one side of the connecting block (15), and the support rod (20) is fixedly connected with the pushing block (9).

5. The sampling device for a gas analyzer according to claim 1, wherein the gas inlet pipe (11) is fixedly provided with a switch valve (21), and the radius of the gas inlet hole (4) is smaller than that of the sliding groove (6).

6. The sampling device for a gas analyzer according to claim 1, wherein the water absorbing block (5) is made of absorbent cotton and the piston ring (7) is made of rubber.