Gas distribution device for centrifugal machine

Abstract

The utility model provides a gas distribution device for a centrifugal machine, which comprises a gas distribution disc and two sets of gas sources connected with the gas distribution disc, the gas distribution disc comprises a panel, and a gas supply path and two gas inlet paths are arranged on the panel; the two air inlet paths are respectively connected with the two sets of air sources and are connected with the air supply path through an air source tee joint; and a pressure reducing valve and a gas supply ball valve are arranged on the gas supply circuit. According to the utility model, corresponding breathing gas and test gas are continuously provided for the whole training process of the centrifugal machine; according to the utility model, a panel fixed structure is designed, and all components and pipelines are installed parallel to the panel; the device has the characteristics of compact layout, space saving and convenience in installation; and the safety and the reliability of the gas distribution device are improved through the two sets of gas sources.

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 corresponding breathing gas 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 a gas distribution device for providing oxygen-enriched air for breathing and test gas 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-mentioned technical problems, the utility model proposes a gas distribution device for a centrifuge, which is used to solve the problem in the prior art that there is a lack of a gas distribution device specifically for providing corresponding breathing gas and test gas 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 gas distribution plate and two sets of gas sources connected to the gas distribution plate. The gas distribution plate includes a panel, and an air supply path and two air intake paths are provided on the panel; the two air intake paths are respectively connected to the two sets of gas sources, and the two air intake paths are connected to the air supply path through the air source tees; a pressure reducing valve and a air supply ball valve are provided on the air supply path. The utility model 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; it has the characteristics of compact layout, space saving, and convenient installation; the safety and reliability of the gas distribution device are improved by two sets of gas sources.

[0008] Furthermore, in order to facilitate deflation, a deflation branch is provided on the air supply circuit and / or the air intake circuit, and a deflation ball valve is provided on the deflation branch.

[0009] Furthermore, in order to facilitate the connection of the deflation ball valve, the deflation ball valve is connected to the corresponding air supply path or air intake path through a spherical joint and a sleeve nut.

[0010] Furthermore, the gas source is connected to the air inlet path through a four-way connection; two interfaces of the four-way connection are respectively connected to the gas source pressure sensor and the deflation ball valve.

[0011] Furthermore, an intermediate ball valve and a one-way valve are sequentially arranged on the air intake path.

[0012] Furthermore, in order to facilitate the fixation of each ball valve, the panel is provided with a ball valve fixing clamp for fixing the deflated ball valve and / or the intermediate ball valve.

[0013] Furthermore, the gas source comprises a gas cylinder, which is connected to the cross-way through a hose; a gas cylinder valve is provided on the hose.

[0014] Furthermore, in order to filter the gas, a filter is provided on the gas supply line near the pressure reducing valve, and a fixing clamp is provided on the panel for fixing the filter.

[0015] Furthermore, in order to ensure the safety of the gas supply circuit, a safety valve, a pressure sensor and a flow meter are also provided on the gas supply circuit.

[0016] Furthermore, in order to facilitate the fixation of the pressure sensor, the panel is provided with an L-shaped clamp for fixing the pressure sensor.

[0017] Beneficial effects of the utility model:

[0018] 1. The utility model forms a centrifuge gas supply system by combining a ball valve, a one-way valve, a filter, a pressure 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; it 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 utility model provides two sets of air supply sources, which are installed on the left and right sides of the centrifuge main arm respectively, to ensure the air supply for anti-gravity training;

[0022] 5. The utility model reduces the pressure of the gas in the gas cylinder through the pressure reducing valve, filters it through the filter, and supplies it to the gas distribution panel, thereby providing oxygen-rich gas to the anti-G oxygen supply system and ensuring the function of gas for anti-G training. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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.

[0024] Figure 1 It is the principle diagram of the utility model.

[0025] Figure 2 It is a structural schematic diagram of the utility model.

[0026] In the figure: 1. gas cylinder, 2. gas cylinder valve, 3. gas source hose, 4. deflation ball valve, 5. gas source pressure sensor, 6. gas supply ball valve, 7. non-return valve, 8. gas source three-way, 9. pressure reducing valve, 10. filter, 11. safety valve, 12. pressure sensor, 13. flow meter, 14. gas supply ball valve, 15. four-way, 16. ball valve clamp, 19. hexagonal long external thread connector, 20. L-type clamp, 21. pipeline, 22. outer sleeve nut, 23. ball joint, 25. screw-in tapered straight joint, 26. fixing clamp, 27. panel, 28. air inlet, 30. flow meter pad, 31. saddle card, 32. flow meter connector. DETAILED DESCRIPTION

[0027] 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.

[0028] like Figure 1 and Figure 2 As shown, a gas distribution device for a centrifuge described in Example 1 of the utility model includes a gas distribution disk and two sets of gas sources connected to the gas distribution disk, the gas distribution disk includes a panel 27, and an air supply path and two air intake paths are provided on the panel 27; the two air intake paths are respectively connected to the two sets of gas sources, and the two air intake paths are connected to the air supply path through the air source tee 8; a pressure reducing valve 9 and a gas supply ball valve 14 are provided on the air supply path. The gas supply ball valve 14 is located at the end of the air supply path. Among them, the pressure reducing valve 9 is connected to the air supply path through a screw-in conical straight-through connector 25. The gas distribution device continuously provides corresponding breathing gas and test gas for the entire training process of the special centrifuge; the safety and reliability of the gas distribution device are improved by two sets of gas sources.

[0029] Furthermore, if Figure 1 and Figure 2 As shown, the air supply circuit and the two air intake circuits are provided with deflation branches, and the deflation branches are provided with deflation ball valves 4. In order to facilitate the connection of the deflation ball valves, each deflation ball valve 4 is connected to the corresponding air supply circuit or air intake circuit through a ball joint 23 and a sleeve nut 22.

[0030] Furthermore, the two sets of the gas sources are connected to the air inlet path through the cross-way 15, two interfaces of the cross-way 15 are connected to the gas source and the air inlet path, and the connection port between the gas source and the cross-way 15 is the air inlet 28; one of the remaining two interfaces is connected to the gas source pressure sensor 5, and the other is connected to the deflation ball valve 4 through the pipeline 21. In addition, the panel 27 is provided with an L-shaped clamp 20 for fixing the gas source pressure sensor 5.

[0031] Embodiment 2 is different from Embodiment 1 in that Figure 2 As shown, the intermediate ball valve 6 and the one-way valve 7 are arranged in sequence on the downstream of the four-way 15 on the air inlet path. The intermediate ball valve 6 is used to control the air path, and the one-way valve 7 is used to prevent gas backflow. The intermediate ball valve 6 is connected to the one-way valve 7 through a hexagonal long external thread joint 19.

[0032] Furthermore, if Figure 2 As shown, the panel 27 is provided with a ball valve fixing clamp 16 for fixing the above-mentioned deflation ball valve 4 and the intermediate ball valve 6.

[0033] Embodiment 3 is different from Embodiment 2 in that Figure 1 As shown, the gas source includes a gas cylinder 1, which is connected to the cross-connection 15 via a hose 3; a gas cylinder valve 2 is provided on the hose 3.

[0034] Embodiment 4 is different from Embodiment 3 in that Figure 2As shown, a filter 10 is provided on the gas supply line near the pressure reducing valve 9 to filter the incoming gas. A fixing clamp 26 is provided on the panel 27 to fix the filter 10.

[0035] Embodiment 5 is different from Embodiment 4 in that Figure 2 As shown, the air supply line is provided with a safety valve 11, a pressure sensor 12 and a flow meter 13 in sequence downstream of the filter 10. A matching flow meter pad 30 and a riding card 31 are provided on the panel 27. The flow meter pad 30 is provided below the flow meter 13 to support the flow meter 13. The riding card 16 rides on the flow meter 13. Both ends of the riding card 31 are connected to the flow meter pad 30 to fix the flow meter 13. The flow meter 13 is connected to the pressure sensor 12 through the pipeline 21, and the flow meter 13 is connected to the pipeline 21 through the flow meter connector 32.

[0036] In addition, if Figure 2 As shown, the deflation branch on the air supply line is connected between the pressure sensor 12 and the flow meter 13 .

[0037] Furthermore, if Figure 2 As shown, the panel 27 is provided with an L-shaped clamp 20 for fixing the pressure sensor 12 .

[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: The invention comprises an air distribution panel and two sets of air sources connected to the air distribution panel. The air distribution panel comprises a panel (27). An air supply path and two air inlet paths are provided on the panel (27). The two air inlet paths are respectively connected to the two sets of air sources. The two air inlet paths are connected to the air supply path through an air source tee (8). A pressure reducing valve (9) and an air supply ball valve (14) are provided on the air supply path.

2. The gas distribution device for a centrifuge according to claim 1, characterized in that: The air supply circuit and / or the air intake circuit is provided with an air release branch circuit, and the air release branch circuit is provided with a air release ball valve (4).

3. The gas distribution device for a centrifuge according to claim 2, characterized in that: The deflation ball valve (4) is connected to a corresponding air supply path or air intake path via a spherical joint (23) and a sleeve nut (22).

4. The gas distribution device for a centrifuge according to claim 2 or 3, characterized in that: The gas source is connected to the air inlet path via a four-way port (15); two interfaces of the four-way port (15) are respectively connected to the gas source pressure sensor (5) and the deflation ball valve (4).

5. The gas distribution device for a centrifuge according to claim 4, characterized in that: An intermediate ball valve (6) and a one-way valve (7) are provided in sequence on the air intake path.

6. The gas distribution device for a centrifuge according to claim 5, characterized in that: The panel (27) is provided with a ball valve fixing clamp (16) for fixing the deflation ball valve (4) and / or the intermediate ball valve (6).

7. The gas distribution device for a centrifuge according to claim 4, characterized in that: The gas source comprises a gas cylinder (1), which is connected to the cross-connection (15) via a hose (3); a gas cylinder valve (2) is provided on the hose (3).

8. The gas distribution device for a centrifuge according to any one of claims 1 to 3 or 5 to 7, characterized in that: A filter (10) is provided on the air supply line at a position close to the pressure reducing valve (9), and a fixing clamp (26) is provided on the panel (27) for fixing the filter (10).

9. The gas distribution device for a centrifuge according to any one of claims 1 to 3 or 5 to 7, characterized in that: The air supply line is also provided with a safety valve (11), a pressure sensor (12) and a flow meter (13).

10. The gas distribution device for a centrifuge according to claim 9, characterized in that: The panel (27) is provided with an L-shaped clamp (20) for fixing the pressure sensor (12).

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