CN216669878U

CN216669878U - Gas detection sampling device

Info

Publication number: CN216669878U
Application number: CN202121681776.6U
Authority: CN
Inventors: 李军; 黄正; 张艺山; 郭继红
Original assignee: Meishan Makeonline Crop Co ltd
Current assignee: Meishan Makeonline Crop Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-06-03
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a gas detection sampling device, relates to the field of gas detection, and solves the problem of inconvenient use in the prior art, and the key points of the technical scheme are as follows: a gas detection sample introduction device comprises a valve and a sensor gas inlet joint; the valve is a two-position three-way valve; the valve comprises a first valve and a second valve; the first valve is provided with a first interface, a second interface and a third interface; the second valve is provided with a fourth interface, a fifth interface and a sixth interface; a first interface of the first valve is connected with a first air inlet joint, and a third interface of the first valve is connected with a sensor air inlet joint; a fourth interface of the second valve is connected with a second air inlet joint, and a fifth air inlet joint is connected with a third air inlet joint; the second port of the first valve is connected with the sixth port of the second valve. The air inlet mode is controlled by the valve, so that the aim of convenient use is fulfilled.

Description

Gas detection sampling device

Technical Field

The utility model relates to a gas detection device, in particular to a gas detection sampling device.

Background

In the field of detecting instruments, when gas calibration and detection are carried out, multiple paths of gas are often required to be selected and introduced into the instrument. In the process of introducing, the traditional instrument needs to manually replace the gas circuit to control the introduction of the instrument gas. The control mode has higher requirements on operators in actual use and is inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gas detection and sample introduction device, which achieves the aim of conveniently controlling a gas path to enter an instrument.

The technical purpose of the utility model is realized by the following technical scheme: a gas detection sample introduction device comprises a valve and a sensor gas inlet joint; the valve is a two-position three-way valve; the valve comprises a first valve and a second valve; the first valve is provided with a first interface, a second interface and a third interface; the second valve is provided with a fourth interface, a fifth interface and a sixth interface;

a first interface of the first valve is connected with a first air inlet joint, and a third interface of the first valve is connected with a sensor air inlet joint;

a fourth interface of the second valve is connected with a second air inlet joint, and a fifth air inlet joint is connected with a third air inlet joint;

the second port of the first valve is connected with the sixth port of the second valve.

The two-position three-way valve has the function of selecting an air inlet interface. The first interface and the second interface of the first valve are air inlet interfaces, and the third interface is an air outlet interface; the fourth interface and the fifth interface of the second valve are air inlet interfaces, and the sixth interface is an air outlet interface.

When the first valve selects the first interface to admit air and the second interface is closed, the gas in the first air inlet joint enters the sensor through the sensor air inlet joint to finish measurement.

When the first valve selects the second interface to feed air, the first interface is closed; and the second valve selects the fourth interface to intake air, the fifth interface is closed, and then the gas in the second air inlet joint enters the sensor through the sensor air inlet joint to finish measurement.

When the first valve selects the second interface to intake air, the first interface is closed; and the second valve selects the fifth interface to intake air, the fourth interface is closed, and then the gas in the third air inlet joint enters the sensor through the sensor air inlet joint to finish measurement.

Preferably, the two-position three-way valve is a two-position three-way electromagnetic valve.

The two-position three-way electromagnetic valve is more convenient to control the valve through a circuit.

The utility model further comprises a mounting seat, wherein the mounting seat is provided with a valve mounting hole and an interface mounting hole; the valve is fixed with the mounting seat through the valve mounting hole; the interface of the valve is aligned with the interface mounting hole.

Furthermore, the mounting seat is provided with two sensor connector mounting holes, and the two sensor connector mounting holes are respectively fixed with a sensor air inlet connector and a sensor air outlet connector.

Furthermore, be provided with three air inlet joint mounting hole on the mount pad, first air inlet joint, second air inlet joint and third air inlet joint pass through the air inlet joint mounting hole and are fixed with the mount pad.

Furthermore, an exhaust joint mounting hole is formed in the mounting seat, and the exhaust joint is fixed with the mounting seat through the exhaust joint mounting hole.

The further exhaust joint is connected with the sensor air outlet joint.

The further connection is a pipeline connection; the pipeline is located inside the mounting seat.

In conclusion, the utility model has the following beneficial effects: and the corresponding air inlet joint is selected by controlling the two-position three-way valve, so that the measurement of different samples is completed. In the process, detection personnel are not needed, the air inlet joint is manually replaced, and the workload of the measurement personnel is reduced.

Drawings

FIG. 1 is a schematic view of an embodiment pneumatic connection;

FIG. 2 is a schematic view of an embodiment of the installation

FIG. 3 is a schematic view of a hole site of a mounting seat

In the figure: 1. a first valve; 11. a first interface; 12. a second interface; 13. a third interface; 2. a second valve; 24. a fourth interface; 25. a fifth interface; 26. a sixth interface; 31. a first air intake joint; 32. a second air inlet joint; 33. a third air inlet joint; 34. an exhaust joint; 4. a sensor; 41. a sensor air inlet joint; 42. a sensor air outlet joint; 5. a mounting seat; 51. a valve mounting hole; 52. an interface mounting hole; 53. a sensor connector mounting hole; 54. an air inlet joint mounting hole; 55. an exhaust fitting mounting hole.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly or indirectly connected to the other element, and the "connection" does not limit the fixed connection or the movable connection, and the specific connection mode should be determined according to the specific technical problem to be solved.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example (b):

a gas detection sample introduction device, a valve and a sensor gas inlet joint (41); the valve is a two-position three-way valve electromagnetic valve; the valve comprises a first valve (1) and a second valve (2); the first valve (1) is provided with a first interface (11), a second interface (12) and a third interface (13); the second valve (2) is provided with a fourth interface (24), a fifth interface (25) and a sixth interface (26);

a first interface (11) of the first valve (1) is connected with a first air inlet connector (31), and a third interface (13) is connected with a sensor air inlet connector (41);

a fourth connector (24) of the second valve (2) is connected with a second air inlet joint (32), and a fifth air inlet joint is connected with a third air inlet joint;

the second port (12) of the first valve (1) is connected with the sixth port (26) of the second valve (2).

The embodiment also comprises a mounting seat (5), wherein the mounting seat (5) is provided with a valve mounting hole (51) and an interface mounting hole (52); the valve is fixed with the mounting seat (5) through a valve mounting hole (51); the port of the valve is aligned with the port mounting hole (52).

Two sensor connector mounting holes (53) are further formed in the mounting base (5), and a sensor air inlet connector (41) and a sensor air outlet connector (42) are respectively fixed to the two sensor connector mounting holes (53).

The mounting seat (5) is further provided with three air inlet joint mounting holes (54), and the first air inlet joint (31), the second air inlet joint (32) and the third air inlet joint (33) are fixed with the mounting seat (5) through the air inlet joint mounting holes (54).

An exhaust joint (34) mounting hole is further formed in the mounting base (5), and the exhaust joint (34) is fixed with the mounting base (5) through the exhaust joint mounting hole (55). The exhaust joint (34) is connected with the sensor air outlet joint (42). The connection is a pipeline connection; the pipeline is located inside the mounting seat (5).

The working principle is as follows:

the two-position three-way valve has the function of selecting an air inlet interface. A first interface (11) and a second interface (12) of the first valve (1) are air inlet interfaces, and a third interface (13) is an air outlet interface; the fourth interface (24) and the fifth interface (25) of the second valve (2) are air inlet interfaces, and the sixth interface (26) is an air outlet interface.

When the first valve (1) selects the first interface (11) to intake air and the second interface (12) is closed, the gas in the first air intake joint (31) enters the sensor through the sensor air intake joint (41) to finish measurement. The first air inlet joint (31) inputs sample gas.

When the first valve (1) selects the second interface (12) to feed air, the first interface (11) is closed; the second valve (2) selects the fourth interface (24) to intake air, the fifth interface (25) is closed, and then the gas in the second air intake joint (32) enters the sensor through the sensor air intake joint (41) to finish measurement. The second air inlet joint (32) inputs measuring range air.

When the first valve (1) selects the second interface (12) to feed air, the first interface (11) is closed; and the second valve (2) selects the fifth interface (25) to intake air, the fourth interface (24) is closed, and then the gas in the third air inlet joint (33) enters the sensor through the sensor air inlet joint (41) to finish measurement. The third air inlet joint (33) inputs zero air.

After the gas enters the sensor and is measured, the gas is discharged out of the device through the gas outlet joint (42) of the sensor through the gas outlet interface.

The installation seat (5) in the device is convenient for integrating related equipment. The pipeline that will connect sets up in mount pad (5), makes whole device cleaner and tidier. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a gaseous sampling device that detects which characterized by: comprises a valve and a sensor air inlet joint (41); the valve is a two-position three-way valve; the valve comprises a first valve (1) and a second valve (2); the first valve (1) is provided with a first interface (11), a second interface (12) and a third interface (13); the second valve (2) has a fourth connection (24), a fifth connection (25) and a sixth connection (26);

a first interface (11) of the first valve (1) is connected with a first air inlet joint (31), and a third interface (13) is connected with a sensor air inlet joint (41);

2. The gas detection and sample introduction device according to claim 1, wherein: the two-position three-way valve is a two-position three-way electromagnetic valve.

3. The gas detection and sample introduction device according to claim 1, wherein: the valve mounting structure further comprises a mounting seat (5), wherein the mounting seat (5) is provided with a valve mounting hole (51) and an interface mounting hole (52);

the valve is fixed with the mounting seat (5) through a valve mounting hole (51);

the port of the valve is aligned with the port mounting hole (52).

4. The gas detection and sample introduction device according to claim 3, wherein: two sensor connector mounting holes (53) are formed in the mounting seat (5), and a sensor air inlet connector (41) and a sensor air outlet connector (42) are respectively fixed in the two sensor connector mounting holes (53).

5. The gas detection and sample introduction device according to claim 4, wherein: the mounting seat (5) is provided with three air inlet connector mounting holes (54), and the first air inlet connector (31), the second air inlet connector (32) and the third air inlet connector (33) are fixed with the mounting seat (5) through the air inlet connector mounting holes (54).

6. The gas detection and sample introduction device according to claim 4, wherein: an exhaust joint (34) mounting hole is formed in the mounting seat (5), and the exhaust joint (34) is fixed with the mounting seat (5) through the exhaust joint mounting hole (55).

7. The gas detection and sample introduction device according to claim 6, wherein: the exhaust joint (34) is connected with the sensor air outlet joint (42).

8. The gas detection and sample introduction device according to any one of claims 3 to 6, wherein: the connection is a pipeline connection; the pipeline is positioned inside the mounting seat (5).