Multi-functional mounting bracket for integrated oxygen generation system

Abstract

The application discloses a multifunctional mounting bracket for an integrated oxygen generating system, comprising a mounting bottom plate, wherein an air inlet hole, two air outlet holes, an oxygen inlet hole and a mixed gas outlet hole are arranged on the mounting bottom plate, a comprehensive switching valve, a proportional adjusting valve, a one-way valve, an air channel, two oxygen generating conversion channels, a nitrogen channel and a mixed gas channel are arranged below the mounting bottom plate, the lower ends of the gas holes are connected with the channels correspondingly, and the channels are connected with the components correspondingly. The comprehensive switching valve, the proportional adjusting valve and the one-way valve of the integrated oxygen generating system and the connection structure between the components and other devices are integrated on the mounting bottom plate, the components above the mounting bottom plate and the connecting pipelines between the components and the devices are reduced obviously, the interfaces are reduced, the mounting process is simplified, and the leakage risk caused by the numerous interfaces is reduced obviously.

Description

Technical Field

[0001] This invention relates to a partial structure of an oxygen generation system, and more particularly to a multifunctional mounting bracket for an integrated oxygen generation system. Background Technology

[0002] Integrated oxygen generation systems are widely used in various aerospace vehicles due to their high integration, small size, and ease of installation, providing continuous breathing oxygen for pilots or other personnel. For example... Figure 1 As shown, an integrated oxygen generation system includes an air compressor, a dehydration filter, a pressure reducer, a controller, a comprehensive switching valve, a molecular sieve bed I, a molecular sieve bed II, and a storage tank. The air compressor compresses atmospheric air into high-pressure air, which is then filtered by the dehydration filter and reduced in pressure by the pressure reducer before being used as the air source for the two molecular sieve beds. To achieve automatic switching between the two molecular sieve beds, the controller controls the comprehensive switching valve to automatically switch the depressurized air between molecular sieve bed I and molecular sieve bed II, allowing them to alternately generate oxygen and release nitrogen. The oxygen generated by molecular sieve bed I and molecular sieve bed II is temporarily stored in the storage tank. The outlet of the storage tank is connected to downstream oxygen-using equipment such as an oxygen regulator or a breathing mask for user oxygen inhalation. To adjust the oxygen concentration according to actual application needs, an air pipe is installed between the outlet of the pressure reducer and the outlet of the storage tank, and a proportional regulating valve is installed on this air pipe. This allows for adjustment of the oxygen concentration for the user, improving oxygen inhalation comfort.

[0003] The aforementioned integrated oxygen generation systems are typically mounted on mounting brackets, which are then installed inside aircraft such as helicopters. Traditional mounting brackets are primarily a base plate, which serves only an installation function or a simple gas delivery function. Therefore, all equipment, components, and connecting pipes of the integrated oxygen generation system are located on this base plate, resulting in numerous connecting pipes and interfaces. This not only complicates the installation process but also increases the risk of leaks. Furthermore, traditional mounting brackets are directly bolted to the aircraft's base plate, leading to insufficient installation reliability. Severe turbulence during aircraft movement can cause the mounting bracket to loosen, potentially resulting in safety accidents. Alternatively, a side bracket with a fixed structure can be installed on one side of the mounting bracket, which is then mounted on the side wall inside the aircraft. However, the relative angle and position between the side wall and the base plate vary between different aircraft, requiring customized structures for the side bracket and mounting bracket, resulting in poor adaptability. Summary of the Invention

[0004] The purpose of this invention is to provide a multifunctional mounting bracket with multiple transmission gas paths for an integrated oxygen generation system in order to solve the above-mentioned problems.

[0005] The present invention achieves the above objectives through the following technical solutions:

[0006] A multifunctional mounting bracket for an integrated oxygen generation system includes a horizontally rectangular mounting base plate. The mounting base plate has a vertically penetrating air inlet, two air outlets, an oxygen inlet, and a mixed gas outlet. Below the mounting base plate are a comprehensive switching valve, a proportional regulating valve, a one-way valve, an air channel, two oxygen conversion channels, a nitrogen channel, and a mixed gas channel. The lower end of the air inlet is connected to the middle section of the air channel. The lower ends of the two air outlets are respectively connected to one end of each of the two oxygen conversion channels. The lower ends of the oxygen inlet and the lower ends of the mixed gas outlet are respectively connected to the mixed gas channel. One end of the air channel is connected to the air inlet of the comprehensive switching valve, and the other end of the air channel... The end of the valve is connected to the inlet of the proportional control valve. The two switching ports of the integrated switching valve are respectively connected to the other ends of the two oxygen generation switching channels. The nitrogen outlet of the integrated switching valve is connected to one end of the nitrogen channel. The other end of the nitrogen channel extends to one side surface of the mounting base plate and is open. The first end of the two ends of the mixed gas channel is connected to the outlet of the proportional control valve. The one-way valve is installed on the mixed gas channel and is located between the first end of the mixed gas channel and the lower end of the oxygen inlet. The lower end of the mixed gas outlet is located between the lower end of the oxygen inlet and the second end of the two ends of the mixed gas channel or is directly connected to the second end of the mixed gas channel. The one-way valve is used to allow the gas in the mixed gas channel to flow from the first end to the second end of the mixed gas channel.

[0007] Preferably, in order to facilitate the installation of other components under the mounting base plate and ensure support strength, the mounting base plate is provided with a plurality of downwardly protruding and interconnected reinforcing ribs, and the four corners of the mounting base plate are provided with mounting holes for mounting support feet.

[0008] Preferably, in order to facilitate the simultaneous fixing of this mounting bracket to the bottom plate and side wall of the aircraft for more reliable installation and to meet the different angle installation requirements between the bottom plate and the side wall of the aircraft, the multifunctional mounting bracket for the integrated oxygen generation system also includes a side fixing frame located diagonally above the mounting bottom plate. The side fixing frame is rotatably connected to the four corners of the mounting bottom plate by telescopic rods.

[0009] Preferably, to facilitate quick adjustment and fixation of the telescopic rod's length, the telescopic rod includes two sleeves, a connecting rod, and two nuts. The two nuts are respectively fixedly installed at the first end of each of the two sleeves. The two ends of the connecting rod are respectively provided with external threads, and the external threads at the two ends are in opposite directions. The two ends of the connecting rod pass through the two nuts and are placed inside the first end of each of the two sleeves. The second ends of each of the two sleeves are respectively rotatably connected to the corresponding side fixing bracket or the mounting base plate.

[0010] Preferably, in order to facilitate the rotational connection function, rotating mounting seats are installed at the four corners of the mounting base and at four corresponding positions on the side fixing frame, and the second end of the sleeve of each telescopic rod is rotatably connected to the corresponding rotating mounting seat.

[0011] Preferably, in order to improve the adaptability and connection reliability between the side mounting bracket and the inner wall of the aircraft, the side mounting bracket is provided with three connecting parts on one side other than directly above the mounting base plate. The three connecting parts are distributed in an isosceles inverted triangle, and each connecting part is provided with a connecting through hole.

[0012] The beneficial effects of this invention are as follows:

[0013] This invention integrates the integrated oxygen generation system's integrated switching valve, proportional control valve, check valve, and the connection structures between these components and other equipment (including pressure reducers, molecular sieve beds one, molecular sieve beds two, and gas storage tanks) onto the mounting base plate. This significantly reduces the number of components above the mounting base plate and the connecting pipes between these components and equipment, reducing the number of interfaces. This not only simplifies the installation process but also significantly reduces the risk of leakage due to numerous interfaces. Furthermore, by connecting the side mounting bracket with a telescopic tube at the upper diagonal of the mounting base plate, the mounting bracket can simultaneously connect to the base plate and side walls inside the aircraft and adapt to different angle structures between the side walls and the base plate. This good adaptability makes the installation of the integrated oxygen generation system inside the aircraft more stable and reliable, preventing loosening during severe turbulence and enhancing safety. Attached Figure Description

[0014] Figure 1 This is a structural block diagram of an integrated oxygen generation system;

[0015] Figure 2 This is a perspective view of the multifunctional mounting bracket for an integrated oxygen generation system as described in this invention;

[0016] Figure 3This is a top view of the mounting base plate of the multifunctional mounting bracket for an integrated oxygen generation system as described in this invention;

[0017] Figure 4 This is a bottom view of the mounting base plate of the multifunctional mounting bracket for an integrated oxygen generation system as described in this invention. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings:

[0019] like Figures 1-4 As shown, the multifunctional mounting bracket for an integrated oxygen generation system of the present invention includes a horizontally rectangular mounting base plate 3. The mounting base plate 3 has a vertically penetrating air inlet 13, two air outlets 11, an oxygen inlet 12, and a mixed gas outlet 10. Below the mounting base plate 3 are a comprehensive switching valve 16, a proportional regulating valve 21, a one-way valve 18, an air channel 19 (L-shaped in the figure for easy connection to other components), two oxygen generation conversion channels 17, a nitrogen channel 15, and a mixed gas channel 20. The lower end of the air inlet 13 is connected to the middle section of the air channel 19. The lower ends of the two air outlets 11 are respectively connected to one end of each of the two oxygen generation conversion channels 17. The lower ends of the oxygen inlet 12 and the mixed gas outlet 10 are respectively connected to the mixed gas channel 20. One end of the air channel 19 is connected to the comprehensive switching valve 16, a proportional regulating valve 21, a one-way valve 18, an air passage 19 (L-shaped in the figure for easy connection to other components), two oxygen generation conversion channels 17, a nitrogen channel 15, and a mixed gas channel 20. The air inlet of the integrated switching valve 16 is connected, and the other end of the air passage 19 is connected to the inlet of the proportional control valve 21. The two switching ports of the integrated switching valve 16 are respectively connected to the other ends of the two oxygen generation switching channels 17. The nitrogen outlet of the integrated switching valve 16 is connected to one end of the nitrogen passage 15. The other end of the nitrogen passage 15 extends to one side surface of the mounting base plate 3 and is open. The first end of the two ends of the mixed gas passage 20 is connected to the outlet of the proportional control valve 21. The one-way valve 18 is installed on the mixed gas passage 20 and is located between the first end of the mixed gas passage 20 and the lower end of the oxygen inlet 12. The lower end of the mixed gas outlet 10 is located between the lower end of the oxygen inlet 12 and the second end of the two ends of the mixed gas passage 20 or directly connected to the second end of the mixed gas passage 20. The one-way valve 18 is used to allow the gas in the mixed gas passage 20 to flow from the first end to the second end of the mixed gas passage 20.

[0020] like Figures 1-4 As shown, the present invention also discloses the following more optimized specific structures:

[0021] To facilitate the installation of other components under the mounting base plate 3 and ensure support strength, the mounting base plate 3 has multiple downward protruding and interconnected reinforcing ribs 22, and the four corners of the mounting base plate 3 have mounting holes 9 for mounting support feet.

[0022] To facilitate the simultaneous fixing of this mounting bracket to the base plate and side wall of an aircraft (such as a helicopter) for more reliable installation and to meet the different angle installation requirements between the base plate and side wall of the aircraft, the multifunctional mounting bracket for the integrated oxygen generation system also includes a side fixing frame 2 located diagonally above the mounting base plate 3. The side fixing frame 2 is rotatably connected to the four corners of the mounting base plate 3 via telescopic rods.

[0023] To facilitate quick adjustment and fixation of the telescopic rod, the telescopic rod includes two sleeves 4, a connecting rod 6, and two nuts 5. The two nuts 5 are respectively fixedly installed (e.g., welded) at the first end of each of the two sleeves 4. The two ends of the connecting rod 6 are respectively provided with external threads (not shown in the figure, but easy to understand) and the external threads at the two ends are opposite in direction. The two ends of the connecting rod 6 pass through the two nuts 5 and are placed inside the first end of the two sleeves 4. The second ends of each of the two sleeves 4 are respectively rotatably connected to the corresponding side fixing bracket 2 or mounting base plate 3.

[0024] To facilitate the rotational connection function, rotating mounting seats 7 are installed at the four corners of the mounting base plate 3 and at four corresponding positions on the side fixing bracket 2. The second end of the sleeve 4 of each telescopic rod is rotatably connected to the corresponding rotating mounting seat 7.

[0025] In order to improve the adaptability and connection reliability between the side mounting bracket 2 and the inner wall of the aircraft, three connecting parts 1 are provided on the side of the side mounting bracket 2 other than the top of the mounting base plate 3. The three connecting parts 1 are distributed in an isosceles inverted triangle, and each connecting part 1 is provided with a connecting through hole.

[0026] Figure 3 The diagram also shows multiple mounting holes 8 for mounting the rotary mounting base 7, and multiple device mounting holes 14 for mounting various devices of the integrated oxygen generation system, which are conventional and adaptable structures.

[0027] like Figures 1-4 As shown, when applying this mounting bracket, first place it in the installation position inside the aircraft (such as a helicopter), connect the side fixing bracket 2 to the side wall inside the aircraft through the three connecting parts 1, rotate the connecting rod 6 of each telescopic rod to extend or shorten the corresponding telescopic rod, and finally make the mounting base plate 3 fit tightly against the base plate inside the aircraft. Then fix the mounting base plate 3 to the base plate inside the aircraft, thus completing the installation of this mounting bracket.

[0028] Then, the air compressor of the integrated oxygen generation system ( Figures 2-4 (not shown), water removal filter ( Figures 2-4 (not shown), pressure reducer ( Figures 2-4 (not shown), controller () Figures 2-4 (Not shown, generally integrated into an air compressor or molecular sieve bed), Molecular sieve bed one ( Figures 2-4(Not shown), Molecular sieve bed II ( Figures 2-4 (not shown) and gas storage tank ( Figures 2-4 (Not shown), respectively installed on the mounting base plate 3, and the air compressor, water filter and pressure reducer are connected in sequence. The oxygen outlets of molecular sieve bed one and molecular sieve bed two are connected to the oxygen inlet of the gas storage tank. The controller is connected to the components (including the integrated switching valve 16 and the proportional regulating valve 21) and equipment (such as the air compressor, molecular sieve bed one and molecular sieve bed two) that need to be automatically controlled. The air outlet of the pressure reducer is connected to the upper end of the air inlet hole 13 on the mounting base plate 3 (the connection method can be to directly install a sealing ring on the upper end of the air inlet hole 13, and the sealing ring can be placed in a groove). The air outlet at the lower end of the pressure reducer is vertically aligned with the air inlet hole 13. The pressure reducer is installed with screws. After being installed on the mounting base plate 3, the air outlet at the lower end of the pressure reducer is sealed to the air inlet 13, without the need for other connecting parts. The principle and structure of connecting the two air outlets 11, one oxygen inlet 12, and one mixed gas outlet 10 with other equipment are the same (and will not be repeated here). Connect the upper ends of the two air outlets 11 to the air inlets at the lower ends of molecular sieve bed one and molecular sieve bed two, respectively. Connect the upper end of the oxygen inlet 12 to the oxygen outlet at the lower end of the gas storage tank. Connect the mixed gas outlet 10 to the pipe joint (not shown in the figure) used to deliver mixed gas to the downstream equipment. This completes the installation of each device of the integrated oxygen generation system on this mounting bracket.

[0029] During operation, the controller activates the integrated switching valve 16, causing molecular sieve bed one and molecular sieve bed two to alternately perform oxygen production and nitrogen removal processes. For example, when molecular sieve bed one produces oxygen, the high-pressure air from the pressure reducer passes through the integrated switching valve 16 and is sent to molecular sieve bed one through a corresponding oxygen production conversion channel 17 and a corresponding air outlet 11. Oxygen and nitrogen separation occurs in molecular sieve bed one, and the produced oxygen is sent to the storage tank. At the same time, a nitrogen removal process occurs in molecular sieve bed two. The nitrogen in molecular sieve bed two passes through another air outlet 11 (which serves as a nitrogen removal outlet at this time), another oxygen production conversion channel 17, and the integrated switching valve 16, and is then discharged into the atmosphere through the nitrogen channel 15. Conversely, when molecular sieve bed two produces oxygen, a nitrogen removal process occurs in molecular sieve bed one. The process is similar and will not be described in detail.

[0030] The oxygen in the gas storage tank is sent to downstream equipment such as an oxygen regulator or breathing mask. The process is as follows: The oxygen in the gas storage tank enters the mixing channel 20 through the oxygen inlet 12. Under the action of the one-way valve 18, the oxygen cannot flow to the proportional regulating valve 21, but can only flow to the mixing outlet 10. According to actual needs, the opening and closing state and opening degree of the proportional regulating valve 21 are controlled so that the high-pressure air from the pressure reducer does not enter the mixing channel 20, and only the oxygen in the gas storage tank is delivered to the downstream equipment through the mixing outlet 10. Alternatively, a certain amount of air is allowed to enter the mixing channel 20 and mix with the oxygen to form a mixed gas, which is then delivered to the downstream equipment through the mixing outlet 10.

[0031] The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the technical solutions of the present invention. Any technical solution that can be implemented based on the above embodiments without creative effort should be considered to fall within the scope of protection of the patent of the present invention.

Claims

1. A multifunctional mounting bracket for an integrated oxygen generation system, comprising a horizontally rectangular mounting base plate, characterized in that: The mounting base plate has a vertically penetrating air inlet, two air outlets, one oxygen inlet, and one mixed gas outlet. Below the mounting base plate are a comprehensive switching valve, a proportional regulating valve, a one-way valve, an air channel, two oxygen conversion channels, a nitrogen channel, and a mixed gas channel. The lower end of the air inlet is connected to the middle section of the air channel. The lower ends of the two air outlets are respectively connected to one end of each of the two oxygen conversion channels. The lower ends of the oxygen inlet and the lower ends of the mixed gas outlet are respectively connected to the mixed gas channel. One end of the air channel is connected to the air inlet of the comprehensive switching valve, and the other end of the air channel is connected to the inlet of the proportional regulating valve. The two switching ports of the integrated switching valve are respectively connected to the other ends of the two oxygen generation switching channels. The nitrogen discharge outlet of the integrated switching valve is connected to one end of the nitrogen channel. The other end of the nitrogen channel extends to one side surface of the mounting base plate and is open. The first end of the two ends of the mixed gas channel is connected to the outlet of the proportional regulating valve. The one-way valve is installed on the mixed gas channel and is located between the first end of the mixed gas channel and the lower end of the oxygen inlet. The lower end of the mixed gas outlet is located between the lower end of the oxygen inlet and the second end of the two ends of the mixed gas channel or directly connected to the second end of the mixed gas channel. The one-way valve is used to allow the gas in the mixed gas channel to flow from the first end to the second end of the mixed gas channel.

2. The multifunctional mounting bracket for an integrated oxygen generation system according to claim 1, characterized in that: The mounting base plate has multiple downward-protruding and interconnected reinforcing ribs on its underside, and mounting holes for mounting support feet are provided at the four corners of the mounting base plate.

3. The multifunctional mounting bracket for an integrated oxygen generation system according to claim 1 or 2, characterized in that: The multifunctional mounting bracket for the integrated oxygen generation system also includes a side fixing bracket located diagonally above the mounting base plate, and the side fixing bracket is rotatably connected to the four corners of the mounting base plate via telescopic rods.

4. The multifunctional mounting bracket for an integrated oxygen generation system according to claim 3, characterized in that: The telescopic rod includes two sleeves, a connecting rod, and two nuts. The two nuts are fixedly installed at the first end of each of the two sleeves. The two ends of the connecting rod are respectively provided with external threads, and the external threads at the two ends are in opposite directions. The two ends of the connecting rod pass through the two nuts and are placed inside the first end of the two sleeves. The second ends of each of the two sleeves are rotatably connected to the corresponding side fixing bracket or the mounting base plate.

5. The multifunctional mounting bracket for an integrated oxygen generation system according to claim 4, characterized in that: Rotary mounting seats are installed at the four corners of the mounting base and at the four corresponding positions on the side fixing frame, and the second end of the sleeve of each telescopic rod is rotatably connected to the corresponding rotary mounting seat.

6. The multifunctional mounting bracket for an integrated oxygen generation system according to claim 3, characterized in that: The side mounting bracket has three connecting parts on one side other than directly above the mounting base plate. The three connecting parts are arranged in an isosceles inverted triangle, and each connecting part has a connecting through hole.

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