Gas chamber structure of gas detector

Abstract

The utility model relates to the technical field of gas detectors, and provides a gas chamber structure of a gas detector, which comprises a gas chamber unit and a gas chamber structure with a gas tank and a groove, the groove consists of a limiting plate and a base, and the gas tank is provided with a gas tank inlet, a gas tank inlet channel and a gas tank outlet. The top of the gas tank is in clamping connection with the detection unit through a sealing ring groove, the bottom of the gas tank is in threaded connection with the flowmeter through an installation opening, a pump body unit is installed in the groove, the gas chamber structure comprises a gas tank gas circuit and a pumping gas circuit, the gas tank gas circuit comprises a first gas channel, a first cavity, a second gas channel and a second cavity which are communicated in sequence, and the pumping gas circuit comprises a third gas channel and an exhaust channel. And the third air passage and the exhaust passage are respectively communicated with the pump body unit. According to the utility model, through the design of the gas tank gas path and the pump body gas path, complex gas path pipelines are integrated in the gas chamber structure, and the gas paths are perfected by utilizing a melting technology and are separated from each other and do not interfere with each other in an effective space, so that integration is realized, and the quality of the gas detector is ensured.

Description

Technical Field

[0001] The utility model relates to a gas detector, and specifically to a gas chamber structure of a gas detector. Background Art

[0002] Gas detection technology is an important technology in the fields of environmental monitoring, public safety, medical and health, food safety, and military aerospace. With the development of technology, gas detection technology has evolved from the application of a single sensor to the application of an integrated and intelligent system. Gas detection technology is developing in the direction of miniaturization, integration, and intelligence. With the development of the Internet of Things, micro-nano processing technology, and artificial intelligence technology, the application of gas sensors will be more extensive, realizing the transformation from a single function to comprehensive performance improvement and then to intelligence.

[0003] With the development of technology, the integration and integration of the gas chamber structure of gas detectors have become the trend. Based on technological innovation and market demand, a gas chamber structure of a gas detector is provided. Summary of the Utility Model

[0004] The utility model provides a gas chamber structure of a gas detector, which solves the problems of integration and integration of the gas chamber structure of the detector.

[0005] The technical solution of the utility model is as follows: A gas chamber structure of a gas detector, the gas detector includes a detection unit, a gas chamber unit, a flow meter, and a pump body unit. The gas chamber unit includes a gas chamber structure having a gas tank and a groove. The groove is composed of a limiting plate and a base. The gas tank is provided with a gas tank inlet, a gas tank inlet channel, and a gas tank outlet. The top of the gas tank is clamped with the detection unit through a sealing ring groove, and the bottom is screwed with the flow meter through an installation port. The groove is provided with a pump body unit. The gas chamber structure includes a gas tank gas path and a pump driving gas path. The gas tank gas path includes a first air passage, a first chamber, a second air passage, and a second chamber that are sequentially connected. The pump driving gas path includes a third air passage and an exhaust passage. The third air passage and the exhaust passage are respectively connected to the pump body unit.

[0006] Preferably, the first air passage includes a gas chamber air inlet, a gas chamber pipeline, and a detection port that are sequentially connected. The detection port is close to the detection cover of the detection unit, and an annular groove is provided on the outer periphery of the detection port.

[0007] Preferably, the first chamber is composed of a detection unit, the top cover of the gas tank, a sealing ring groove, and an annular groove.

[0008] Preferably, the second air passage includes a through port, a metering inlet channel, a metering inlet, a flow inlet, a flow outlet, and a metering outlet that are sequentially connected. The through port is provided at the bottom of the first chamber, and the flow meter has a flow inlet and a flow outlet.

[0009] Preferably, the second chamber includes an air tank inlet channel, an air tank inlet, an air tank outlet, and an air tank chamber that are connected in sequence.

[0010] Preferably, the third air duct includes a pump inlet pipe and a pump body air inlet that are connected to each other. The exhaust duct includes a pump body exhaust port, a pump exhaust pipe, an exhaust channel, and an air chamber exhaust port that are connected in sequence. The pump body air inlet and the pump body exhaust port are respectively connected to the pump body unit to achieve connection.

[0011] Preferably, the air chamber structure includes a pump body heat dissipation port and heat dissipation holes, which play a role in heat dissipation.

[0012] Preferably, the air chamber structure includes a limiting groove, and the pump body unit is clamped with the limiting groove.

[0013] The working principle and beneficial effects of the present utility model are as follows:

[0014] Through the design of the air tank air path and the pump body air path, the present utility model integrates complex air path pipes in the air chamber structure, improves each air path by using melting technology, separates them from each other in an effective space without interference, realizes integration, ensures the quality of the gas detector. At the same time, the air chamber structure connects the flow meter, the detection unit, and the pump body unit, integrates the important components of the gas detector, effectively and stably fixes each separated unit on the air chamber structure, improves the connection of the air path, effectively reduces the occupied space, and can realize miniaturization. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0016] Figure 1 It is a schematic diagram of the air chamber installation structure of the present utility model;

[0017] Figure 2 It is a three-dimensional view of the air chamber structure of the present utility model;

[0018] Figure 3 It is a schematic top view structure diagram of the air chamber structure of the present utility model;

[0019] Figure 4 It is a schematic structure diagram of the present utility model after removing the air tank lid;

[0020] Figure 5 It is a partially sectional structure diagram of the air tank in the air chamber structure of the present utility model.

[0021] In the figure: 1. Detection unit; 2. Gas chamber unit; 3. Flowmeter; 301. Flow inlet; 302. Flow outlet; 4. Pump body unit; 5. Gas chamber exhaust port; 501. Exhaust passage; 6. Gas chamber inlet; 601. Gas chamber pipeline; 7. Sealing ring groove; 8. Detection port; 9. Annular groove; 10. Through port; 1001. Metering inlet passage; 11. Pump body inlet; 12. Pump body exhaust port; 13. Limiting plate; 14. Limiting groove; 15. Pump body heat dissipation port; 16. Base; 17. Metering inlet; 18. Installation port; 19. Metering outlet; 20. Pump inlet pipeline; 21. Pump discharge pipeline; 22. Heat dissipation holes; 23. Gas tank inlet; 2301. Gas tank inlet passage; 24. Gas tank outlet; 25. Gas tank. Detailed implementation manner

[0022] Next, in combination with the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention.

[0023] As Figures 1 to 5 shown, a gas chamber structure of a gas detector, the gas detector includes a detection unit 1, a gas chamber unit 2, a flowmeter 3 and a pump body unit 4. The gas chamber unit 2 includes a gas chamber structure having a gas tank 25 and a groove. The groove is composed of a limiting plate 13 and a base 16. The gas tank 25 is provided with a gas tank inlet 23, a gas tank inlet passage 2301 and a gas tank outlet 24. The top of the gas tank 25 is clamped with the detection unit 1 through a sealing ring groove 7, and the bottom is screwed with the flowmeter 3 through an installation port 18. The groove is provided with a pump body unit 4. The gas chamber structure includes a gas tank gas path and a pump driving gas path. The gas tank gas path includes a first air duct, a first chamber, a second air duct and a second chamber that are sequentially connected. The pump driving gas path includes a third air duct and an exhaust duct. The third air duct and the exhaust duct are respectively connected to the pump body unit 4.

[0024] It should be particularly noted that the gas tank gas path uses a melting technology to ensure the sealing performance.

[0025] Furthermore, the first air duct includes a gas chamber inlet 6, a gas chamber pipeline 601 and a detection port 8 that are sequentially connected. The detection port 8 is close to the detection cover of the detection unit 1, and an annular groove 9 is provided on the outer periphery of the detection port 8.

[0026] Furthermore, the first chamber is composed of the detection unit 1, the top cover of the gas tank 25, the sealing ring groove 7 and the annular groove 9.

[0027] Further, the second air passage includes a communication port 10, a metering inlet passage 1001, a metering inlet 17, a flow inlet 301, a flow outlet 302, and a metering outlet 19 that are connected in sequence. The communication port 10 is opened at the bottom of the first chamber. The flowmeter 3 has a flow inlet 301 and a flow outlet 302.

[0028] Further, the second chamber includes a chamber that includes a gas tank inlet passage 2301, a gas tank inlet 23, a gas tank outlet 24, and a gas tank 25 that are connected in sequence.

[0029] Further, the third air passage includes a pump inlet pipe 20 and a pump body air inlet 11 that are connected to each other. The exhaust passage includes a pump body exhaust port 12, a pump exhaust pipe 21, an exhaust passage 501, and an air chamber exhaust port 5 that are connected in sequence. The pump body air inlet 11 and the pump body exhaust port 12 are respectively connected to the pump body unit 4 to achieve connection.

[0030] Further, the air chamber structure includes a pump body heat dissipation port 15 and heat dissipation holes 22, which play a role in heat dissipation.

[0031] Further, the air chamber structure includes a limiting groove 14, and the pump body unit 4 is clamped with the limiting groove 14.

[0032] Working principle: When the pump body unit 4 is started, under the action of the one-way valve, the first air passage sucks in the gas to be detected and fills the first chamber. At this time, the detection unit 1 detects the gas to be detected. At the same time, the gas to be detected flows into the flowmeter 3 through the communication port 10 of the second air passage for metering, and then fills the chamber of the gas tank 25 through the gas tank inlet 23, and then flows into the third air passage through the gas tank outlet 24 and enters the pump body unit 4, and finally is discharged through the exhaust passage.

[0033] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. The air chamber structure of a gas detector, the gas detector comprising a detection unit (1), an air chamber unit (2), a flowmeter (3) and a pump body unit (4), characterized in that, The air chamber unit (2) includes an air chamber structure having an air tank (25) and a groove, the groove being formed by a limit plate (13) and a base (16). The air tank (25) is provided with an air tank inlet (23), an air tank inlet passage (2301), and an air tank outlet (24). The top of the air tank (25) is clamped with the detection unit (1) through a sealing ring groove (7), and the bottom is screwed with a flow meter (3) through a mounting port (18). The groove is provided with a pump body unit (4). The air chamber structure includes an air tank air path and a pump-driven air path. The air tank air path includes a first air duct, a first chamber, a second air duct, and a second chamber that are sequentially connected. The pump-driven air path includes a third air duct and an exhaust duct. The third air duct and the exhaust duct are respectively connected to the pump body unit (4).

2. The air chamber structure of a gas detector according to claim 1, characterized in that, The first air duct includes an air chamber inlet (6), an air chamber pipe (601), and a detection port (8) that are sequentially connected. The detection port (8) is close to the detection cover of the detection unit (1), and an annular groove (9) is provided on the outer periphery of the detection port (8).

3. The air chamber structure of a gas detector according to claim 2, characterized in that, The first chamber is composed of the detection unit (1), the top cover of the air tank (25), the sealing ring groove (7), and the annular groove (9).

4. The air chamber structure of a gas detector according to claim 1, characterized in that, The second air duct includes a through port (10), a metering inlet passage (1001), a metering inlet (17), a flow inlet (301), a flow outlet (302), and a metering outlet (19) that are sequentially connected. The through port (10) is opened at the bottom of the first chamber, and the flow meter (3) has a flow inlet (301) and a flow outlet (302).

5. The air chamber structure of a gas detector according to claim 1, characterized in that, The second chamber includes an air tank inlet passage (2301), an air tank inlet (23), an air tank outlet (24), and the chamber of the air tank (25) that are sequentially connected.

6. The air chamber structure of a gas detector according to claim 1, characterized in that, The third air duct includes a pump inlet pipe (20) and a pump body inlet (11) that are connected to each other. The exhaust duct includes a pump body exhaust port (12), a pump exhaust pipe (21), an exhaust passage (501), and an air chamber exhaust port (5) that are sequentially connected. The pump body inlet (11) and the pump body exhaust port (12) are respectively connected to the pump body unit (4) to achieve connection.

7. The air chamber structure of a gas detector according to any one of claims 1-6, characterized in that, The air chamber structure includes a pump body heat dissipation port (15) and a heat dissipation hole (22), which play a role in heat dissipation.

8. The air chamber structure of a gas detector according to any one of claims 1-6, characterized in that, The air chamber structure includes a limit groove (14), and the pump body unit (4) is clamped with the limit groove (14).

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