Low-oxygen air preparation device and preparation method thereof
By using separation components and mixing technology to prepare low-oxygen air, combined with flow control and noise cancellation, the problems of oxygen concentration and noise pollution in the preparation of low-oxygen air are solved, achieving precise control of low-oxygen air and improving the training environment.
Patent Information
- Application Number
- CN202211234956.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-10-10
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2042-10-10
AI Technical Summary
How to prepare low-oxygen air in plains areas to simulate the hypoxic environment of high altitudes for athlete training? Existing technologies are difficult to effectively control the oxygen concentration and noise pollution of low-oxygen air.
The system uses a separation component to separate air into nitrogen-rich gas and oxygen-rich gas, mixes them to obtain low-oxygen air, and uses flow valves, oxygen concentration sensors and pulse oximeters for real-time monitoring and adjustment. Combined with a silencer to reduce noise pollution and a cooling airflow channel to reduce equipment temperature.
It achieves precise control of oxygen concentration in low-oxygen air, reduces noise pollution in the training environment, and improves the lifespan of the equipment and training effectiveness.
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Figure CN117138671B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of low-oxygen air preparation, in particular to a low-oxygen air preparation device and a preparation method thereof. BACKGROUND
[0002] The method for training athletes in a new endurance training method in a plain area simulates a high-altitude hypoxic environment, and the method is characterized by improving the oxygen transport and utilization capacity of athletes through low-oxygen exposure. Through low-pressure hypoxic training, the organic body can be maximally loaded, and the potential of each organ and each system of the organic body can be effectively tapped, especially the bone marrow can be stimulated to produce more red blood cells, so as to improve the oxygen-carrying capacity of athletes, enhance the physical fitness, and increase the fatigue tolerance of the human body. The training intensity of the plain area can be ensured.
[0003] The oxygen concentration of the low-oxygen air is in the range of 9% to 16%, and how to prepare the low-oxygen air becomes a technical problem in the field. SUMMARY
[0004] The purpose of the present application is to provide a low-oxygen air preparation device to generate low-oxygen air and meet the training environment needs of athletes.
[0005] To solve the above technical problems, the present application adopts the following technical solutions:
[0006] The low-oxygen air preparation device comprises a frame, a fence assembly, a separation assembly, a main control board, a gas mixing cylinder, and a low-oxygen air outlet.
[0007] The fence assembly is enclosed around the frame, a partition plate for spacing is arranged horizontally in the frame, and a plurality of separation assemblies are regularly arranged on the partition plate. The separation assembly comprises a shell, a filter, a molecular sieve cylinder, an oxygen cylinder, a condenser, an electromagnetic valve group, and a compressor. The shell is arranged on the compressor, the compressor extracts air from the filter, compresses the air, cools the air through the condenser, and then pressurizes the air into the molecular sieve cylinder for separation. Oxygen-rich gas is collected in the oxygen cylinder, and nitrogen-rich gas is discharged through the electromagnetic valve group.
[0008] The main control board is arranged on one side of the separation assembly and can control the operation of the compressor and the electromagnetic valve group. The gas mixing cylinder is arranged on the main control board. The gas inlet end of the gas mixing cylinder is connected to the nitrogen-rich gas outlet and the compressed air outlet end of the condenser, respectively. The gas outlet end of the gas mixing cylinder is connected to the low-oxygen air outlet. The low-oxygen air outlet is arranged on the front panel of the fence assembly.
[0009] Further, the first flow valve and the second flow valve are electrically controlled valves and are electrically connected to the output port of the main control board.
[0010] Further, the first flow valve and the second flow valve are electrically controlled valves and are electrically connected to the output port of the main control board.
[0011] Further, the first flow valve and the second flow valve are electrically controlled valves and are electrically connected to the output port of the main control board.
[0012] Further, the first flow valve and the second flow valve are electrically controlled valves and are electrically connected to the output port of the main control board.
[0013] Further, the front panel is further provided with a blood oxygen instrument connection port, which is connected to the input port of the main control board inwardly and is connected to a finger blood oxygen instrument used by the athlete outwardly.
[0014] Further, the oxygen cylinder is connected to an oxygen discharge port through a pipeline.
[0015] Further, the separation assembly further comprises a silencer, which is connected between the oxygen cylinder and the oxygen discharge port.
[0016] Further, two groups of the separation assembly are matched with one main control board to form a complete set, which is arranged on the partition plate.
[0017] The application further discloses a low-oxygen air preparation method, which is applied to the low-oxygen air preparation device and uses a mixing method of the nitrogen-rich gas and the air to prepare the low-oxygen air.
[0018] Compared with the prior art, the application has the following beneficial technical effects:
[0019] The low-oxygen air preparation device uses the separation assembly, separates the air into the nitrogen-rich gas and the oxygen-rich gas by using the molecular sieve adsorption method, mixes the nitrogen-rich gas and the compressed air to obtain the low-oxygen air, and outputs the low-oxygen air to the low-oxygen air outlet.
[0020] In addition, by setting the first flow valve and the second flow valve, the flow ratio of the compressed air and the nitrogen-rich gas entering the mixing cylinder can be controlled, and the oxygen concentration of the low-oxygen air is further controlled. By setting the oxygen concentration sensor, the oxygen concentration of the low-oxygen air in the mixing cylinder can be monitored in real time, and feedback to the main control board to achieve closed-loop PID adjustment, ensuring that the oxygen concentration of the low-oxygen air meets the set range requirements. By setting the flow meter, the output flow can be controlled, and the training personnel can adjust it according to the use. By setting the blood oxygen meter connection port, the device control system can intelligently collect the blood oxygen content of the athletes, intelligently analyze and adaptively adjust the oxygen concentration of the output low-oxygen air. By setting the silencer between the oxygen cylinder outlet and the oxygen exhaust port, the noise of the oxygen-rich gas exhaust can be eliminated, reducing the noise pollution of the training environment. The cooling air flow passage composed of the air inlet, the separation assembly shell, the air duct and the fan can effectively cool the separation assembly and the main control board, reduce the equipment operating temperature, and improve the equipment service life. BRIEF DESCRIPTION OF DRAWINGS
[0021] The application will be further described below in combination with the drawings.
[0022] Figure 1 It is a three-dimensional structure schematic diagram of the low-oxygen air preparation equipment of the application.
[0023] Figure 2 It is another angle three-dimensional structure schematic diagram of the low-oxygen air preparation equipment of the application.
[0024] Figure 3 It is a three-dimensional structure schematic diagram of the low-oxygen air preparation equipment of the application after removing the side wall and the top wall.
[0025] Figure 4 It is another angle three-dimensional structure schematic diagram of the low-oxygen air preparation equipment of the application after removing the side wall and the top wall.
[0026] Figure 5 It is a three-dimensional structure schematic diagram of the separation assembly of the application.
[0027] Figure 6 It is a working principle schematic diagram of the low-oxygen air preparation equipment of the application.
[0028] Explanation of reference signs: 1, frame; 101, partition; 102, bottom wheel; 2, enclosure assembly; 201, front enclosure; 2011, air inlet; 202, side enclosure; 203, top enclosure; 204, rear enclosure; 3, separation assembly; 301, filter; 302, molecular sieve cylinder; 303, oxygen cylinder; 304, condenser; 305, silencer; 306, electromagnetic valve group; 4, main control board; 5, gas mixing cylinder; 501, oxygen amount sensor; 6, nitrogen-rich gas outlet; 7, first flow valve; 8, second flow valve; 9, low-oxygen gas outlet; 10, flow meter; 11, oxygen discharge port; 12, fan; 13, air duct. DETAILED DESCRIPTION
[0029] The core of the present application is to provide a low-oxygen air preparation device and a preparation method thereof, which generates low-oxygen air to meet the training environment needs of athletes.
[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0031] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0032] Referring to the drawings, Figure 1 is a perspective structural schematic view of the low-oxygen air preparation device of the present application; Figure 2 is another perspective structural schematic view of the low-oxygen air preparation device of the present application from another angle; Figure 3 is a perspective structural schematic view of the low-oxygen air preparation device of the present application after removing the side enclosure and the top enclosure; Figure 4 is another perspective structural schematic view of the low-oxygen air preparation device of the present application from another angle after removing the side enclosure and the top enclosure; Figure 5 is a perspective structural schematic view of the separation assembly of the present application; Figure 6 is a schematic view of the working principle of the low-oxygen air preparation device of the present application.
[0033] In a specific embodiment, as Figures 1 to 6 shown, the low-oxygen air preparation device of the present application comprises a frame 1, an enclosure assembly 2, a separation assembly 3, a main control board 4, a gas mixing cylinder 5 and a low-oxygen air outlet 9.
[0034] The enclosure assembly 2 is tightly enclosed around the periphery of the frame 1, the partition plate 101 horizontally arranged to separate the space in the frame 1, and the separation assembly 3 is arranged in multiple groups and regularly arranged on the partition plate 101. The separation assembly 3 includes a shell, a filter 301, a molecular sieve cylinder 302, an oxygen cylinder 303, a condenser 304, an electromagnetic valve group 306, and a compressor 307. The shell protects the cover on the compressor 307, the compressor 307 extracts air from the filter 301 and compresses the air cooled by the condenser 304 into the molecular sieve cylinder 302 for separation, and the electromagnetic valve group 306 controls the two molecular sieve cylinders 302 to alternately perform adsorption operation. The generated oxygen-enriched gas is collected into the oxygen cylinder 303, and the generated nitrogen-enriched gas is passed to the nitrogen-enriched gas outlet 6 through the electromagnetic valve group 306.
[0035] The main control board 4 is arranged on one side of the separation assembly 3, the main control board 4 can control the operation of the compressor 307 and the electromagnetic valve group 306, the mixing cylinder 5 is arranged on the main control board 4, the air inlet end of the mixing cylinder 5 is connected to the nitrogen-enriched gas outlet 6 and the branch pipe of the compressed air outlet end of the condenser 304 respectively, and the air outlet end of the mixing cylinder 5 is connected to the low-oxygen air outlet 9. The low-oxygen air outlet 9 is arranged on the front wall 201 of the enclosure assembly 2.
[0036] Specifically, as shown in Figures 1 to 4 The left and right sides of the frame 1 are provided with detachable side walls 202, the side walls 202 are in the form of an integral plate and are filled and covered on the side walls of the frame 1, facilitating maintenance and repair. The bottom of the frame 1 is provided with bottom wheels 102, facilitating flexible positioning of the device.
[0037] Through the arrangement of the separation assembly 3, the molecular sieve adsorption method is used to separate air into nitrogen-enriched gas and oxygen-enriched gas, the low-oxygen air is obtained by mixing the nitrogen-enriched gas and the compressed air, and the low-oxygen air is output to the low-oxygen air outlet 9, and the low-oxygen air outlet 9 is discharged into the training room through a pipeline or a diffusion terminal. The low-oxygen air preparation device of the present application is integrated and flexible, can produce low-oxygen air, and meets the training environment requirements of athletes.
[0038] In a specific embodiment of the present application, as shown in Figure 6 The low-oxygen air preparation device of the present application further comprises a first flow valve 7 and a second flow valve 8, the first flow valve 7 is arranged between the compressed air outlet end of the condenser 304 and the air inlet end of the mixing cylinder 5, and the second flow valve 8 is arranged between the nitrogen-enriched gas outlet 6 and the air inlet end of the mixing cylinder 5.
[0039] Specifically, as shown in Figure 6 The first flow valve 7 and the second flow valve 8 are electrically connected to the output port of the main control board 4.
[0040] By setting the first flow valve 7 and the second flow valve 8, the flow ratio of the compressed air and the nitrogen-rich gas entering the mixing cylinder 5 can be controlled, and the oxygen concentration of the low-oxygen air can be controlled.
[0041] In a specific embodiment of the present application, as shown in Figure 6 The mixing cylinder 5 is provided with an oxygen concentration sensor 501, which is electrically connected to the input port of the main control board 4.
[0042] Through the setting of the oxygen concentration sensor 501, the oxygen concentration of the low-oxygen air in the mixing cylinder 5 can be monitored in real time, and feedback to the main control board 4, so as to achieve closed-loop PID adjustment, and ensure that the oxygen concentration of the low-oxygen air meets the set range requirements.
[0043] In a specific embodiment of the present application, as shown in Figure 1 , Figure 3 and Figure 6 The low-oxygen air preparation equipment of the present application further comprises a flow meter 10, which is arranged between the gas outlet end of the mixing cylinder 5 and the low-oxygen air outlet 9.
[0044] Through the setting of the flow meter 10, the output flow can be controlled, and the training personnel can adjust it according to the use.
[0045] In a specific embodiment of the present application, the control panel of the front panel 201 is further provided with a blood oxygen instrument connection port, which is connected to the input port of the main control board 4, and the blood oxygen instrument connection port is connected to the finger blood oxygen instrument used by the athlete. Preferably, the blood oxygen instrument connection port is connected to the finger blood oxygen instrument through Bluetooth.
[0046] Through the setting of the blood oxygen instrument connection port, the device control system can intelligently collect the blood oxygen content of the athlete, intelligently analyze and adaptively adjust the oxygen concentration of the output low-oxygen air.
[0047] In a specific embodiment of the present application, as shown in Figure 6 The gas outlet end of the oxygen cylinder 303 is communicated with the oxygen exhaust port 11, and the oxygen exhaust port 11 is led out to the outside of the training room through a pipeline.
[0048] Specifically, as shown in Figures 3 to 6 The separation assembly 3 further comprises a silencer 305 connected between the gas outlet end of the oxygen cylinder 303 and the oxygen exhaust port 11.
[0049] By setting the silencer 305 between the gas outlet end of the oxygen cylinder 303 and the oxygen exhaust port 11, the noise of the exhaust of the oxygen-rich gas can be eliminated, and the noise pollution of the training environment is reduced. Of course, a collection cylinder device can also be used to collect and utilize the oxygen-rich gas.
[0050] In a specific embodiment of the present application, as shown in Figure 3 and Figure 4 Two separate components 3 are matched with a master control board 4 to form a complete set, and the complete set is arranged on a partition plate 101, and the number of partition plates 101 is three and is vertically and equidistantly arranged on the frame 1.
[0051] By increasing the number of partition plates 101 and the complete set, the production of low-oxygen air can be increased to meet the use requirements of a larger training space.
[0052] In a specific embodiment of the present application, as shown in Figures 1 to 5 The low-oxygen air preparation equipment of the present application further comprises a fan 12 and an air duct 13, an air inlet 2011 is formed on the front wall plate 201, filter cotton is attached to the inner side of the air inlet 2011, air vents are formed on the top and bottom of the shell of the separation component 3, the air duct 13 is connected below the partition plate 101 and communicates with the air vent on the bottom of the shell, a plurality of fans 12 are installed on the end of the shell protruding from the rear wall plate 204, and the fans 12 draw air outward. The condenser 304 is installed on the air vent on the top of the shell.
[0053] The cooling air flow channel formed by the air inlet 2011, the shell of the separation component 3, the air duct 13 and the fan 12 can effectively cool the separation component 3 and the master control board 4, reduce the operating temperature of the equipment, and improve the service life of the equipment.
[0054] When the low-oxygen air preparation equipment of the present application is in operation, fresh air passes through the air inlet 2011 and is preliminarily filtered by the filter cotton, and then enters the compressor 307 for compression after being filtered by the filter 301 for the second time. After being compressed, the air is cooled by the condenser 304 and is divided into two paths: one path enters the molecular sieve cylinder 302 for adsorption separation through the electromagnetic valve group 306, the electromagnetic valve group 306 controls the two molecular sieve cylinders 302 to alternately perform adsorption work, the generated oxygen-enriched gas is collected in the oxygen cylinder 303, and the generated nitrogen-enriched gas is passed through the electromagnetic valve group 306 to the nitrogen-enriched gas outlet 6; the other path enters the gas mixing cylinder 5 through the first flow valve 7, the nitrogen-enriched gas outlet 6 simultaneously provides nitrogen-enriched gas through the second flow valve 8 into the gas mixing cylinder 5, and the compressed air and the nitrogen-enriched gas are mixed in the gas mixing cylinder 5 to prepare low-oxygen air meeting the requirements. The low-oxygen air passes through the flow meter 10 and is output through the low-oxygen air outlet 9, and is discharged into the training room through a pipeline or a diffusion terminal. At the same time, the oxygen cylinder 303 outputs oxygen-enriched gas through the silencer 305 and the oxygen discharge port 11, and the oxygen-enriched gas is output to the outside of the training room through a pipeline.
[0055] The low-oxygen air preparation device separates air into nitrogen-rich gas and oxygen-rich gas by using the molecular sieve adsorption method through the arrangement of the separation assembly 3, mixes the nitrogen-rich gas and the compressed air to obtain low-oxygen air, and outputs the low-oxygen air to the low-oxygen air outlet 9. The low-oxygen air outlet 9 is discharged into the training room through a pipeline or a diffusion terminal. The low-oxygen air preparation device is integrated and can be flexibly moved to the site, can produce low-oxygen air, and meets the training environment requirements of athletes. In addition, the flow ratio of the compressed air and the nitrogen-rich gas entering the gas mixing cylinder 5 can be controlled through the arrangement of the first flow valve 7 and the second flow valve 8, and the oxygen concentration of the low-oxygen air can be controlled. The oxygen concentration of the low-oxygen air in the gas mixing cylinder 5 can be monitored in real time through the arrangement of the oxygen concentration sensor 501, and the feedback is fed back to the main control board 4 to achieve closed-loop PID adjustment, so that the oxygen concentration of the low-oxygen air meets the set range requirements. The output flow can be controlled through the arrangement of the flow meter 10, and the training personnel can adjust it according to the use condition. The blood oxygen content of the athletes can be intelligently collected by the device control system through the arrangement of the blood oxygen meter connection port, and the output low-oxygen air oxygen concentration can be intelligently analyzed and adaptively adjusted. The noise of the exhaust of the oxygen-rich gas can be eliminated through the arrangement of the silencer 305 between the oxygen cylinder 303 and the oxygen discharge port 11, so that the noise pollution of the training environment is reduced. The cooling air flow passage composed of the air inlet 2011, the separation assembly 3 shell, the air duct 13 and the fan 12 can effectively cool the separation assembly 3 and the main control board 4, reduce the equipment operating temperature, and improve the service life of the equipment.
[0056] The application further discloses a low-oxygen air preparation method applied to the low-oxygen air preparation device in any of the specific embodiments.
[0057] The above-described embodiments only describe the preferred modes of the application, and do not limit the scope of the application. Without departing from the design spirit of the application, various modifications and improvements of the technical solutions of the application made by those skilled in the art should fall within the protection scope of the claims of the application.
Claims
1. A low-oxygen air production apparatus characterized by comprising: Frame (1), the fence assembly (2), separation assembly (3), main control board (4), mixing cylinder (5) and low oxygen air outlet (9) are included. The fence assembly (2) is closed and surrounded by the frame (1), the frame (1) is provided with a partition plate (101) for spacing horizontally, and the separation assembly (3) is arranged regularly on the partition plate (101). The separation assembly (3) includes a shell, a filter (301), a molecular sieve cylinder (302), an oxygen cylinder (303), a condenser (304), an electromagnetic valve group (306) and a compressor (307). The shell covers the compressor (307), the compressor (307) extracts air from the filter (301), compresses the air cooled by the condenser (304), and pressurizes the air into the molecular sieve cylinder (302) for separation. Oxygen-rich gas is collected in the oxygen cylinder (303), and nitrogen-rich gas is discharged to the nitrogen-rich gas outlet (6) through the electromagnetic valve group (306). The main control board (4) is arranged on one side of the separation assembly (3) and can control the operation of the compressor (307) and the electromagnetic valve group (306). The mixing cylinder (5) is arranged on the main control board (4). The air inlet end of the mixing cylinder (5) is connected to the nitrogen-rich gas outlet (6) and the compressed air outlet end of the condenser (304) respectively. The air outlet end of the mixing cylinder (5) is connected to the low oxygen air outlet (9). The low oxygen air outlet (9) is arranged on the front wall (201) of the fence assembly (2). The air outlet end of the oxygen cylinder (303) is connected to the oxygen discharge port (11), which is led out of the training room through a pipeline. The low oxygen air outlet (9) is discharged into the training room through a pipeline or a diffusion terminal. Two separation assemblies (3) cooperate with one main control board (4) to form a complete set, which is arranged on the partition plate (101). The number of partition plates (101) is three and they are arranged vertically and equally spaced on the frame (1). It also includes a fan (12) and a wind guide cylinder (13). The front wall (201) is provided with an air inlet (2011). The inner side of the air inlet (2011) is attached with filter cotton. The top and bottom of the shell of the separation assembly (3) are provided with air vents. The wind guide cylinder (13) is connected below the partition plate (101) and the top is connected to the air vent of the bottom of the shell. The end of the shell protruding from the rear wall (204) is provided with a plurality of fans (12). The fans (12) draw air outward. The condenser (304) is installed on the air vent at the top of the shell.
2. The equipment for producing low-oxygen air according to claim 1, characterized in that: It also includes a first flow valve (7) and a second flow valve (8). The first flow valve (7) is arranged between the compressed air outlet end of the condenser (304) and the air inlet end of the mixing cylinder (5). The second flow valve (8) is arranged between the nitrogen-rich gas outlet (6) and the air inlet end of the mixing cylinder (5).
3. The equipment for producing low-oxygen air according to claim 2, characterized in that: The first flow valve (7) and the second flow valve (8) are electrically controlled valves and are electrically connected to the output port of the main control board (4).
4. The low-oxygen air production apparatus according to claim 1, characterized by: An oxygen concentration sensor (501) is arranged in the gas mixing cylinder (5) and is electrically connected to the input port of the main control board (4).
5. The low-oxygen air production apparatus according to claim 1, characterized by: A flow meter (10) is further arranged between the gas outlet of the gas mixing cylinder (5) and the low-oxygen air outlet (9).
6. The equipment for producing hypoxic air according to any one of claims 1 to 5, characterized in that: An oximeter connecting port is further arranged on the control panel of the front panel (201) and is inwardly connected to the input port of the main control board (4), and the oximeter connecting port is outwardly connected to a finger oximeter used by the athlete.
7. The hypoxic air generating apparatus according to claim 1, characterized by: The separation assembly (3) further comprises a silencer (305) connected between the gas outlet of the oxygen cylinder (303) and an oxygen discharge port (11).
8. A method for producing low-oxygen air, characterized by, The application is applied to the low-oxygen air preparation equipment in any one of claims 1-7, and low-oxygen air is prepared by mixing nitrogen-rich gas and air.
Citation Information
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