Gas distribution device for centrifugal machine

Abstract

The gas distribution device for the centrifugal machine comprises a panel and a gas path system arranged on the panel, the gas path system comprises a main gas path, one end of the main gas path is provided with a gas inlet, the other end of the main gas path is provided with a gas supply ball valve, and the main gas path is further provided with a one-way valve. A ball valve, a one-way valve, a pipeline and the like are combined to form a gas supply system of the centrifugal machine, and corresponding breathing gas and test gas are continuously provided for the whole training process of the centrifugal machine; according to the utility model, through design of a panel fixed structure, all components and pipelines are installed parallel to the panel, and the power distribution cabinet has the characteristics of compact layout, space saving and convenient installation.

Description

Technical Field

[0001] The utility model relates to the technical field of gas distribution, in particular to a gas distribution device for a centrifuge. Background Art

[0002] The centrifuge that simulates the acceleration generated by the aircraft flying on the ground is a special centrifuge. When the centrifuge is used for various centrifugal acceleration tests and training, it is necessary to provide oxygen-enriched air for breathing and test gas for the centrifugal acceleration training process to ensure the smooth progress of the centrifugal acceleration test and training.

[0003] However, the prior art lacks an air distribution device for providing oxygen-enriched air for breathing and test air for the centrifugal acceleration training process.

[0004] The Chinese utility model patent with the announcement date of 2021.09.21 and the announcement number of CN 214241276 U discloses an anti-gravity oxygen supply regulator, including: a state information acquisition module collects the current motion state information of the manned centrifuge and sends it to the control module; the control module sends a corresponding pre-pressurization signal according to the preset anti-gravity oxygen supply equipment model; according to the current operating state information of the manned centrifuge, the preset anti-gravity oxygen supply equipment model and the corresponding preset threshold, a corresponding control signal is sent; the pressure regulating module pre-pressurizes the anti-gravity oxygen supply equipment according to the pre-pressurization signal; according to the control signal, the oxygen content and / or air content in the anti-gravity oxygen supply equipment is adjusted. The patent uses multiple pressure regulating interfaces to connect the control module with different anti-gravity oxygen supply equipment to adjust the gas pressure in the anti-gravity oxygen supply equipment according to the current motion state information of the manned centrifuge. However, the patent lacks a gas distribution device specifically for providing oxygen-enriched air for breathing and test gas for the centrifugal acceleration training process. Summary of the invention

[0005] In view of the above technical problems, the utility model proposes an air distribution device for a centrifuge, which is used to solve the problem in the prior art that there is a lack of an air distribution device specifically for providing oxygen-enriched air for breathing and test air for the centrifugal acceleration training process.

[0006] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0007] A gas distribution device for a centrifuge includes a panel and a gas circuit system arranged on the panel, wherein the gas circuit system includes a main gas circuit, one end of the main gas circuit is provided with an air inlet, the other end is provided with a supply ball valve, and the main gas circuit is also provided with a check valve. The utility model forms a centrifuge gas supply system by combining ball valves, check valves and pipelines, and continuously provides corresponding breathing gas and test gas for the entire training process of the centrifuge; the utility model is designed as a panel fixed structure, and all components and pipelines are installed parallel to the panel, which has the characteristics of compact layout, space saving and convenient installation.

[0008] Furthermore, in order to facilitate the connection of the air inlet, a spherical joint is provided on the air inlet and is connected with a jacket nut.

[0009] Furthermore, in order to directly measure the dew point temperature, the main gas line is connected with a dew point sensor through a dew point meter tee.

[0010] Furthermore, in order to filter the gas, a filter is provided on the main gas path near the air inlet, and a filter pad for supporting the filter and a riding card for fixing the filter are provided on the panel.

[0011] Furthermore, in order to measure the pressure difference, the main gas line is also connected with a pressure difference branch, and the pressure difference branch is connected in parallel with the filter; and a pressure difference sensor is arranged on the pressure difference branch.

[0012] Furthermore, in order to facilitate deflation, the main gas line is also connected to a deflation branch line, and the deflation branch line is connected to the main gas line through a welded tee.

[0013] Furthermore, in order to measure the pressure of the deflation branch, a deflation ball valve is provided at one end of the deflation branch and a pressure sensor is provided at the other end. The pressure sensor is connected to the deflation branch via a sensor adapter.

[0014] Furthermore, in order to back up each other, the gas circuit system is provided with two circuits, and the two gas circuit systems are connected by a pipeline.

[0015] Furthermore, in order to connect the two gas circuit systems, both ends of the pipeline are respectively connected to the welding tees of the two gas circuit systems, and one end of the pipeline is connected to the welding tee through a connecting ball valve.

[0016] Furthermore, in order to fix the components, the panel is provided with a plurality of clamping members for fixing the gas path system.

[0017] Beneficial effects of the utility model:

[0018] 1. The utility model forms a centrifuge gas supply system by combining a ball valve, a check valve, a filter, a pressure sensor, a differential pressure sensor, a dew point sensor and a pipeline, which continuously provides corresponding breathing gas and test gas for the entire training process of the centrifuge;

[0019] 2. The gas distribution device of the utility model is designed as a panel-fixed structure, and all valves, sensors and pipelines are installed parallel to the panel, which has the characteristics of compact layout and space saving;

[0020] 3. The utility model is designed as a panel-fixed structure, which is convenient for installation and fixation;

[0021] 4. The gas circuit system of the utility model is two-way, and a ball valve and a pipeline are configured between the two gas circuit systems. The two gas circuit systems serve as backup for each other to provide oxygen-rich gas to the anti-G oxygen supply component and ensure the function of gas for anti-G training. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural schematic diagram of the utility model.

[0024] In the figure: 1. vent ball valve, 2. non-return valve, 3. pressure sensor, 4. dew point sensor, 5. pipeline, 6. filter, 7. differential pressure sensor, 7. differential pressure sensor, 8. air inlet, 9. air supply ball valve, 10. connecting ball valve, 11. outer sleeve nut, 12. ball joint, 13. three-way elbow, 14. butt welding elbow, 15. filter pad, 16. saddle card, 17. L-type clamp, 18. differential pressure gauge adapter, 19. dew point meter three-way, 20. sensor adapter, 21. welding three-way, 22. gas distribution panel, 23. ball valve fixing clamp. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1 As shown, a gas distribution device for a centrifuge described in Example 1 of the utility model includes a panel 22 and a gas circuit system arranged on the panel 22, the gas circuit system includes a main gas circuit, one end of the main gas circuit is provided with an air inlet 8, and the other end is provided with a ball valve 9, the air inlet 8 is provided with a ball joint 12 and connected with a jacket nut 11, which is convenient for connecting the air inlet. A one-way valve 2 is provided on the main gas circuit to prevent gas reflux.

[0027] Further, a filter 6 is provided at a position on the main gas path close to the air inlet 8, which serves to filter the incoming gas. A filter cushion block 15 and a saddle clamp 16 are provided on the panel 22. The filter cushion block 15 is arranged below the filter 6 to support the filter 6, and the saddle clamp 16 straddles the filter 6. Both ends of the saddle clamp 16 are connected to the filter cushion block 15 to fix the filter 6.

[0028] Embodiment 2, which is different from Embodiment 1 in that, as Figure 1 shown, a differential pressure branch is also connected to the main gas path, and a differential pressure sensor 7 is provided in the middle of the differential pressure branch. The differential pressure branch is in parallel with the filter 6, that is, both ends of the differential pressure branch are respectively connected to positions on the main gas path upstream and downstream of the filter 6. And both ends of the differential pressure branch are respectively connected to the main gas path through a three-way elbow.

[0029] In this embodiment, for the convenience of pipeline connection, the differential pressure branch and the parallel section on the main gas path form a "mouth" - shaped structure. Among them, each of the differential pressure branch and the parallel section on the main gas path is provided with an elbow 14 to complete an L - shape respectively, or the differential pressure branch is provided with two elbows 14 while the parallel section on the main gas path has no elbow and is a straight section, thus forming a "mouth" - shaped structure.

[0030] Embodiment 3, which is different from Embodiment 2 in that, as Figure 1 shown, a dew - point sensor 4 is provided at a position on the main gas path downstream of the parallel section, and the dew - point sensor 4 is connected to the main gas path through a dew - point meter three - way 19.

[0031] Embodiment 4, which is different from Embodiment 3 in that, as Figure 1 shown, the one - way valve 2 is arranged at a position on the main gas path close to the supply gas valve 9, that is, at a position downstream of the dew - point meter three - way 19.

[0032] Embodiment 5, which is different from Embodiment 4 in that, as Figure 1 shown, a bleed - off branch is also connected to the main gas path, and the bleed - off branch is connected to the main gas path through a welded three - way 21. The welded three - way 21 is arranged at a position between the one - way valve 2 and the supply gas valve 9.

[0033] Further, one end of the bleed - off branch is provided with a bleed - off valve 1, the other end is provided with a pressure sensor 3, and the pressure sensor 3 is connected to the bleed - off branch through a sensor adapter 20.

[0034] Embodiment 6, which is different from Embodiment 5 in that, as Figure 1 shown, there are two gas path systems, and the two gas path systems are connected through a pipeline 5.

[0035] The two ends of the pipeline 5 are respectively connected to the welding tees 21 of the two-way gas system, and one end of the pipeline 5 is connected to the welding tee 21 through the connecting ball valve 10 .

[0036] Furthermore, the panel 22 is provided with a ball valve fixing clamp 23 for fixing the ball supply valve 9 , the ball discharge valve 1 and the connecting ball valve 10 .

[0037] Embodiment 7 is different from Embodiment 6 in that Figure 1 As shown, the panel 22 is provided with a plurality of L-shaped clamps 17 for fixing the dew point sensor and / or the pressure sensor and / or the differential pressure sensor and various pipelines on the gas circuit system.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gas distribution device for a centrifuge, characterized in that: It comprises a panel (22) and an air circuit system arranged on the panel (22), wherein the air circuit system comprises a main air circuit, one end of the main air circuit is provided with an air inlet (8), the other end of the main air circuit is provided with a ball valve (9), and the main air circuit is also provided with a one-way valve (2).

2. The gas distribution device for a centrifuge according to claim 1, characterized in that: The air inlet (8) is provided with a spherical joint (12) and is connected to a jacket nut (11).

3. The gas distribution device for a centrifuge according to claim 1 or 2, characterized in that: The main gas path is connected to a dew point sensor (4) via a dew point meter tee (19).

4. The gas distribution device for a centrifuge according to claim 1 or 2, characterized in that: A filter (6) is provided on the main air path at a position close to the air inlet (8), and a filter pad (15) for supporting the filter (6) and a riding clip (16) for fixing the filter (6) are provided on the panel (22).

5. The gas distribution device for a centrifuge according to claim 4, characterized in that: The main gas line is also connected to a pressure difference branch, which is connected in parallel with the filter (6); a pressure difference sensor (7) is provided on the pressure difference branch.

6. The gas distribution device for a centrifuge according to claim 1, 2 or 5, characterized in that: The main gas line is also connected to a deflation branch line, and the deflation branch line is connected to the main gas line via a welded tee (21).

7. The gas distribution device for a centrifuge according to claim 6, characterized in that: A deflation ball valve (1) is provided at one end of the deflation branch, and a pressure sensor (3) is provided at the other end; the pressure sensor (3) is connected to the deflation branch via a sensor adapter (20).

8. The gas distribution device for a centrifuge according to claim 7, characterized in that: The gas circuit system is provided with two circuits, and the two gas circuit systems are connected via a pipeline (5).

9. The gas distribution device for a centrifuge according to claim 8, characterized in that: Both ends of the pipeline (5) are respectively connected to the welding tees (21) of the two-way gas system, and one end of the pipeline (5) is connected to the welding tee (21) via a connecting ball valve (10).

10. The gas distribution device for a centrifuge according to any one of claims 1 or 2 or 5 or 7 to 9, characterized in that: The panel (22) is provided with a plurality of clamping members for fixing the gas circuit system.

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