Air circulation system for hyperbaric oxygen chamber

Abstract

The utility model discloses an air circulation system for a hyperbaric oxygen chamber, which relates to the technical field of hyperbaric oxygen chambers and comprises an oxygen chamber main body and an oxygen generator case, an oxygen inhalation mask is arranged in the oxygen chamber main body, and an oxygen inlet, an exhaust port, a high-pressure gas inlet and a first data interface are arranged on the side wall of the oxygen chamber main body. A touch screen type controller is arranged in the oxygen cabin body, an oxygen generator body and an air compressor are arranged in the oxygen generator box, an oxygen outlet, a waste gas outlet, a high-pressure air outlet and a second data interface are formed in the side wall of the oxygen generator box, and an air inlet pipe, an exhaust pipe, a high-pressure air adding pipe and a data line which are used for connection are arranged between the oxygen cabin body and the oxygen generator box. And an oxygen inhalation air supply pipe is arranged between the oxygen inhalation mask and the oxygen inlet. The high-pressure oxygen chamber has the advantages of high-efficiency gas separation and supply and intelligent pressure and concentration control, and solves the problems of oxygen concentration rise, carbon dioxide accumulation and pressure fluctuation in the long-time use process of the traditional high-pressure oxygen chamber.

Description

Technical Field

[0001] The utility model relates to the technical field of hyperbaric oxygen chambers, in particular to an air circulation system for hyperbaric oxygen chambers. Background Art

[0002] With existing civilian hyperbaric oxygen chamber technology, achieving and maintaining a pressure exceeding 1.75 atmospheres is an extremely challenging task. Maintaining a constant high pressure is particularly challenging during actual use. Whether using nasal inhalation, earphones, or a mask, when a person inhales high-concentration oxygen (above 91%), the exhaled air still contains approximately 40%-50% oxygen. This means that in a closed oxygen chamber environment, the oxygen concentration will continue to rise, and the carbon dioxide content in the exhaled air will gradually increase with the duration of oxygen inhalation.

[0003] According to my country's 2005 regulations on hyperbaric oxygen chambers, the oxygen concentration inside the chamber must not exceed 23%, necessitating regular air replacement. However, the traditional method of replacing air through an exhaust valve has significant drawbacks: each replacement causes a drop in chamber pressure, making it difficult to maintain a pressure above 1.75 atmospheres, severely impacting the chamber's performance.

[0004] In view of this, there is an urgent need for an advanced hyperbaric oxygen chamber air circulation system to solve the above problems, ensuring that while providing high-concentration oxygen, the changes in the air composition in the chamber can be effectively managed and controlled, maintaining appropriate oxygen concentration and pressure levels, thereby improving the safety and effectiveness of hyperbaric oxygen chamber treatment. Utility Model Content

[0005] The purpose of the utility model is to provide an air circulation system for a hyperbaric oxygen chamber, which has the advantages of efficient gas separation and supply, and intelligent pressure and concentration control, and solves the problems of increased oxygen concentration, carbon dioxide accumulation and pressure fluctuations in traditional hyperbaric oxygen chambers during long-term use.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an air circulation system for a hyperbaric oxygen chamber, comprising an oxygen chamber main body and an oxygen concentrator case, an oxygen mask being arranged in the oxygen chamber main body, an oxygen inlet, an exhaust port, a high-pressure gas inlet and a first data interface being arranged on the side wall of the oxygen chamber main body, a touch-screen controller being arranged in the oxygen chamber main body, an oxygen concentrator main body and an air compressor being arranged in the oxygen concentrator case, an oxygen outlet, an exhaust port, a high-pressure air outlet and a second data interface being arranged on the side wall of the oxygen concentrator case, an air inlet pipe, an exhaust pipe, a high-pressure air filling pipe and a data cable being arranged between the oxygen chamber main body and the oxygen concentrator case for connection, an oxygen inlet and air supply pipe being arranged between the oxygen mask and the oxygen inlet, and an exhalation pipe being arranged between the oxygen mask and the exhaust port.

[0007] As a preferred air circulation system for a hyperbaric oxygen chamber of the present invention, the left and right ends of the air inlet pipe are respectively connected to the oxygen inlet and the oxygen outlet, the left and right ends of the exhaust pipe are respectively connected to the exhaust port and the waste gas outlet, the air outlet end of the oxygen concentrator body is connected to the oxygen outlet, and the waste gas outlet is connected to the air.

[0008] As a preferred air circulation system for a hyperbaric oxygen chamber of the present invention, the air outlet end of the air compressor is connected to the high-pressure air outlet, and the front end surface of the oxygen generator box is provided with an air inlet.

[0009] As a preferred air circulation system for a hyperbaric oxygen chamber of the present invention, the oxygen outlet, exhaust gas outlet and high-pressure air outlet are all provided with solenoid valves, an oxygen concentration sensor and a pressure sensor are provided in the oxygen chamber body, the touch screen controller is electrically connected to the solenoid valve, oxygen concentration sensor, pressure sensor, air compressor and oxygen generator body, the front end face of the oxygen generator case is provided with a display screen, and the side end face of the oxygen generator case is provided with a switch.

[0010] As a preferred air circulation system for a hyperbaric oxygen chamber of the utility model, the bottom of the oxygen inhalation mask is provided with an air inlet and an air outlet, and both the air inlet and the air outlet are provided with a check valve.

[0011] As a preferred air circulation system for a hyperbaric oxygen chamber of the utility model, the side wall of the oxygen chamber body includes an inner wall of the chamber, an outer wall of the chamber and reinforcing ribs.

[0012] As a preferred embodiment of the air circulation system for a hyperbaric oxygen chamber of the present invention, the oxygen chamber body and the bottom of the oxygen generator box are both provided with rollers.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. This utility model ensures the freshness of the air inside the oxygen chamber through a highly efficient air circulation mechanism. The oxygen concentrator provides high-purity oxygen to the oxygen mask, while the user's exhaled air is discharged out of the chamber through a dedicated exhalation tube, reducing the time the exhaust gas remains inside the chamber. The oxygen concentration inside the oxygen chamber can be controlled by opening and closing the electromagnetic valve on the exhaust tube, reducing the risk of excessive oxygen concentration inside the chamber.

[0015] 2. The intermittent ventilation assembly of this utility model allows pure oxygen to mix with external air, thus regulating the oxygen concentration inhaled by the patient. By reducing the oxygen concentration, the risk of oxygen poisoning caused by prolonged high-concentration oxygen inhalation can be reduced. In an emergency, the ball valve can be adjusted to change the air-to-oxygen ratio in the three-way pipe, quickly reducing the concentration of oxygen inhaled by the patient to protect their health. The design of the impeller, worm gear mechanism, and cam realizes automated control of the air supply, allowing the system to automatically adjust the air supply according to the oxygen flow rate.

[0016] 3. This utility model utilizes high-pressure air provided by an air compressor. The system can quickly increase the pressure inside the oxygen chamber to a preset level. When the pressure inside the chamber reaches the set value, the system will automatically adjust to maintain the pressure state to ensure stable pressure during treatment. In addition, when the pressure exceeds the set range, the system will automatically open the corresponding valve for adjustment to maintain a safe working environment.

[0017] 4. This utility model allows users to easily set parameters such as oxygen inhalation time and cabin pressure through a touch-screen controller, and can start the device with one click. The display screen shows key indicators such as cabin oxygen flow and concentration in real time, allowing users to monitor the treatment process at any time. At the same time, the intelligent control system can automatically adjust the cabin environment according to the data fed back by the sensor to ensure the safety and effectiveness of the treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front cross-sectional view of the utility model;

[0019] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 This is a front cross-sectional view of the chassis body of the present utility model;

[0021] Figure 4 For the utility model Figure 1 Enlarged view of point B in the middle

[0022] Figure 5 This is a cross-sectional schematic diagram of the intermittent ventilation component of the present invention;

[0023] Figure 6This is a side view of the cam of the present utility model;

[0024] Figure 7 It is a front cross-sectional view of the three-way pipe of the present utility model;

[0025] Figure 8 This is a schematic diagram of the system principle of the utility model.

[0026] In the figure: 100, oxygen chamber body; 101, oxygen inlet; 102, exhaust port; 103, high-pressure gas inlet; 104, first data interface; 105, touch screen controller; 106, oxygen concentration sensor; 107, pressure sensor; 108, oxygen mask; 1081, air inlet; 1082, air outlet; 1083, check valve; 109, oxygen supply pipe; 110, exhalation pipe; 111, cabin inner wall; 112, cabin outer wall; 113, reinforcement rib; 200, oxygen generator box; 201, oxygen outlet; 202, exhaust gas outlet; 203, high-pressure air outlet; 204, second data interface; 205, display screen; 206, switch; 207, air inlet; 208, air inlet pipe; 209, exhaust pipe; 2 10. High-pressure gas filling pipe; 211. Data cable; 2012. Air compressor; 213. Oxygen generator body; 214. Solenoid valve; 215. Roller; 300. Intermittent ventilation assembly; 301. Tee; 3011. Pure oxygen inlet; 3012. Mixing outlet; 3013. Contraction section; 3014. Air inlet; 302. Air pipe; 3021. Ball valve; 3022. One-way valve; 303. Pressure-stabilizing air bag; 304. Humidification bottle; 306. Cam; 3061. Second rotating shaft; 3062. Worm gear; 3063. Raised part; 307. Rubber tube; 308. Impeller; 3081. First rotating shaft; 3082. Worm; 309. Fixing bracket; 310. Ventilation pipe; 3101. Pressure-stabilizing port; 311. Air filter. DETAILED DESCRIPTION

[0027] Example 1

[0028] See also Figure 1-Figure 3 and Figure 8An air circulation system for a hyperbaric oxygen chamber includes an oxygen chamber body 100 and an oxygen concentrator box 200. The oxygen chamber body 100 is provided with an oxygen mask 108. The side wall of the oxygen chamber body 100 is provided with an oxygen inlet 101, an exhaust port 102, a high-pressure gas inlet 103 and a first data interface 104. The oxygen chamber body 100 is provided with a touch screen controller 105. The oxygen concentrator box 200 is provided with an oxygen concentrator body 213 and an air compressor 212. The side wall of 200 is provided with an oxygen outlet 201, an exhaust gas outlet 202, a high-pressure air outlet 203 and a second data interface 204. An air inlet pipe 208, an exhaust pipe 209, a high-pressure air filling pipe 210 and a data line 211 for connection are provided between the oxygen chamber body 100 and the oxygen generator box 200. An oxygen supply pipe 109 is provided between the oxygen mask 108 and the oxygen inlet 101, and an exhalation pipe 110 is provided between the oxygen mask 108 and the exhaust port 102.

[0029] Furthermore, the left and right ends of the air inlet pipe 208 are connected to the oxygen inlet 101 and the oxygen outlet 201 respectively, the left and right ends of the exhaust pipe 209 are connected to the exhaust port 102 and the waste gas outlet 202 respectively, the air outlet end of the oxygen concentrator body 213 is connected to the oxygen outlet 201, and the waste gas outlet 202 is connected to the air.

[0030] Oxygen is supplied to the oxygen mask 108 through an oxygen concentrator, and the waste gas exhaled by the user is discharged through the exhalation tube 110. This greatly reduces the diffusion of waste gas exhaled from the nasal cavity in the oxygen chamber, thereby reducing the increase in oxygen concentration and carbon dioxide concentration in the chamber, and ensuring the stability of the air composition in the chamber.

[0031] Furthermore, the air outlet end of the air compressor 2012 is connected to the high-pressure air outlet 203 , and the front end surface of the oxygen generator box 200 is provided with an air inlet 207 .

[0032] The high-pressure air generated by the air compressor 2012 is used to pressurize the oxygen chamber body 100, thereby rapidly increasing the pressure of the oxygen chamber body 100, and performing a pressure-maintaining operation after reaching a specified pressure.

[0033] Furthermore, the oxygen outlet 201, the exhaust gas outlet 202 and the high-pressure air outlet 203 are all provided with a solenoid valve 214, the oxygen chamber body 100 is provided with an oxygen concentration sensor 106 and a pressure sensor 107, the touch screen controller 105 is electrically connected to the solenoid valve 214, the oxygen concentration sensor 106, the pressure sensor 107, the air compressor 2012 and the oxygen generator body 213, the front end surface of the oxygen generator case 200 is provided with a display screen 205, and the side end surface of the oxygen generator case 200 is provided with a switch 206.

[0034] The device is controlled via the touchscreen controller 105. After setting the oxygen inhalation time and the cabin pressure, the device can be started with one click. After startup, the pressure increases rapidly. When the pressure reaches the set pressure, it automatically switches to normal pressure. At this point, the oxygen concentrator body 213 begins producing oxygen, and the oxygen outlet begins discharging oxygen. The display shows the oxygen flow rate and concentration. Simultaneously, the intelligent system uses the chamber pressure to automatically open the high-pressure air outlet 203 to increase the pressure when the chamber pressure falls below the set pressure. When the chamber pressure exceeds the set pressure, the high-pressure air outlet 203 is automatically closed, and the exhaust outlet 202 is opened for pressure relief. When the chamber oxygen concentration exceeds 25%, the exhaust outlet 202 is automatically opened to replace the cabin air. When the oxygen inhalation time reaches the set pressure, the display 205 automatically switches to decompression mode, the oxygen concentrator stops, and the exhaust outlet 202 is opened for pressure relief.

[0035] Furthermore, an air inlet 1081 and an air outlet 1082 are provided at the bottom of the oxygen inhalation mask 108 , and a check valve 1083 is provided on both the air inlet 1081 and the air outlet 1082 .

[0036] The check valve 1083 is used to improve the flow stability of the airflow and prevent the backflow of oxygen and exhaust gas.

[0037] Furthermore, the side wall of the oxygen chamber body 100 includes an inner chamber wall 111 , an outer chamber wall 112 and reinforcing ribs 113 .

[0038] The sandwich cabin structure improves the sound insulation and sealing effects of the oxygen cabin body 100.

[0039] Furthermore, rollers 215 are provided at the bottom of the oxygen chamber body 100 and the oxygen generator box 200 .

[0040] The rollers 215 facilitate movement of the device, thereby improving the flexibility of the device.

[0041] When the system is in operation, the user enters the oxygen chamber body 100, puts the oxygen mask 108 on their nose, and controls the device via the touchscreen controller 105. After setting the oxygen inhalation time and the cabin pressure, the system can be started with one click. After startup, the pressure increases rapidly. When the pressure reaches the set pressure, it automatically switches to normal pressure increase. At this time, the oxygen concentrator body 213 begins to produce oxygen, and the oxygen outlet begins to discharge oxygen. The display shows the oxygen flow rate and oxygen concentration. Simultaneously, the intelligent system uses the chamber pressure. When the chamber pressure is less than the set pressure, the high-pressure air outlet 203 is automatically opened to increase the pressure. When the chamber pressure exceeds the set pressure, the high-pressure air outlet 203 is automatically closed and the exhaust outlet 202 is opened to relieve pressure. When the oxygen concentration in the chamber exceeds 25%, the exhaust outlet 202 is automatically opened to replace the cabin air. When the oxygen inhalation time reaches the set oxygen inhalation time, the display 205 automatically switches to decompression mode, the oxygen concentrator stops, and the exhaust outlet 202 is opened to relieve pressure.

[0042] Example 2

[0043] See also Figures 1-8 An air circulation system for a hyperbaric oxygen chamber includes an oxygen chamber body 100 and an oxygen concentrator box 200. The oxygen chamber body 100 is provided with an oxygen mask 108. The side wall of the oxygen chamber body 100 is provided with an oxygen inlet 101, an exhaust port 102, a high-pressure gas inlet 103 and a first data interface 104. The oxygen chamber body 100 is provided with a touch screen controller 105. The oxygen concentrator box 200 is provided with an oxygen concentrator body 213 and an air compressor 2012. The side wall of the oxygen concentrator box 200 is provided with an oxygen Outlet 201, exhaust outlet 202, high-pressure air outlet 203 and second data interface 204, an air intake pipe 208, an exhaust pipe 209, a high-pressure air filling pipe 210 and a data line 211 for connection are provided between the oxygen cabin body 100 and the oxygen generator box 200, an oxygen supply pipe 109 is provided between the oxygen mask 108 and the oxygen inlet 101, an intermittent ventilation component 300 is provided on the oxygen supply pipe 109, and an exhalation pipe 110 is provided between the oxygen mask 108 and the exhaust port 102.

[0044] Furthermore, the intermittent ventilation component 300 includes a three-way pipe 301, an air pipe 302, a one-way valve 3022, a pressure-stabilizing air bag 303, a humidification bottle 304 and a fixing frame 309. The three-way pipe 301 is provided with a pure oxygen inlet 3011, an air inlet 3014 and a mixing outlet 3012. The pure oxygen inlet 3011 is connected to the oxygen inlet 101, the air inlet 3014 is connected to the air pipe 302, and the mixing outlet 3012 is connected to the ventilation pipe 310. The ventilation pipe 310 passes through the pressure-stabilizing air bag 303 and is connected to the air inlet end of the humidification bottle 304. The air outlet end of the humidification bottle 304 is connected to the oxygen inhalation and air supply pipe 109. An air filter 311 is provided at the front end of the air pipe 302, and a ball valve 3021 and a one-way valve 3022 are provided on the air pipe 302.

[0045] The pure oxygen generated by the oxygen concentrator body 213 is mixed with the external air through the three-way pipe 301 and then passed into the humidifier bottle 304 for the patient to breathe. This can reduce the oxygen concentration inhaled by the patient and reduce the probability of oxygen poisoning in the patient. In addition, when the patient suffers from oxygen poisoning, the oxygen concentration can be quickly reduced. The inhaled air is filtered by the air filter 311, and the opening and closing of the air pipe 302 is controlled by the ball valve 3021. The check valve 1083 prevents oxygen from overflowing from the air pipe 302.

[0046] Furthermore, a contraction section 3013 is provided on the three-way pipe 301, and the air inlet 3014 is connected to the side wall of the contraction section 3013. A rotatably connected impeller 308 is provided in the air inlet 3014, and a first rotating shaft 3081 is provided on the upper end face of the impeller 308. A rubber tube 307 is provided on the air tube 302, and a cam 306 rotatably connected to the fixed frame 309 is provided at the lower end of the rubber tube 307. A second rotating shaft 3061 is provided on the side end face of the cam 306, a worm 3082 is provided on the first rotating shaft 3081, and a worm wheel 3062 cooperating with the worm 3082 is provided on the second rotating shaft 3061. A circular array of raised portions 3063 is provided on the cam 306.

[0047] When oxygen enters the three-way pipe 301 from the pure oxygen inlet 3011, it drives the impeller 308 to rotate, thereby driving the cam 306 to rotate through the cooperation of the worm gear 3062 and the worm 3082, so that the raised portion 3063 on the surface of the cam 306 intermittently squeezes the rubber tube 307, thereby intermittently connecting the air tube 302. The patient can intermittently inhale high-concentration oxygen and low-concentration oxygen, thereby reducing the probability of oxygen poisoning. When the oxygen passes through the contraction section 3013, the air inlet 3014 generates negative pressure due to the Venturi effect, thereby sucking air into the three-way pipe 301, realizing automatic inhalation of the air tube 302 when the oxygen is connected.

[0048] Furthermore, a pressure-stabilizing port 3101 communicating with the pressure-stabilizing airbag 303 is provided on the side wall of the air-permeable tube 310 . The pressure-stabilizing airbag 303 is made of elastic silicone.

[0049] The pressure stabilizing airbag 303 is used to balance the pressure fluctuation caused by the intermittent air supply, so that the airflow in the patient's oxygen mask 108 is relatively stable, ensuring the patient's comfort.

[0050] Furthermore, the left and right ends of the air inlet pipe 208 are connected to the oxygen inlet 101 and the oxygen outlet 201 respectively, the left and right ends of the exhaust pipe 209 are connected to the exhaust port 102 and the waste gas outlet 202 respectively, the air outlet end of the oxygen concentrator body 213 is connected to the oxygen outlet 201, and the waste gas outlet 202 is connected to the air.

[0051] Oxygen is supplied to the oxygen mask 108 through an oxygen concentrator, and the waste gas exhaled by the user is discharged through the exhalation tube 110. This greatly reduces the diffusion of waste gas exhaled from the nasal cavity in the oxygen chamber, thereby reducing the increase in oxygen concentration and carbon dioxide concentration in the chamber, and ensuring the stability of the air composition in the chamber.

[0052] Furthermore, the air outlet end of the air compressor 2012 is connected to the high-pressure air outlet 203 , and the front end surface of the oxygen generator box 200 is provided with an air inlet 207 .

[0053] The high-pressure air generated by the air compressor 2012 is used to pressurize the oxygen chamber body 100, thereby rapidly increasing the pressure of the oxygen chamber body 100, and performing a pressure-maintaining operation after reaching a specified pressure.

[0054] Furthermore, the oxygen outlet 201, the exhaust gas outlet 202 and the high-pressure air outlet 203 are all provided with a solenoid valve 214, the oxygen chamber body 100 is provided with an oxygen concentration sensor 106 and a pressure sensor 107, the touch screen controller 105 is electrically connected to the solenoid valve 214, the oxygen concentration sensor 106, the pressure sensor 107, the air compressor 2012 and the oxygen generator body 213, the front end surface of the oxygen generator case 200 is provided with a display screen 205, and the side end surface of the oxygen generator case 200 is provided with a switch 206.

[0055] The device is controlled via the touchscreen controller 105. After setting the oxygen inhalation time and the cabin pressure, the device can be started with one click. After startup, the pressure increases rapidly. When the pressure reaches the set pressure, it automatically switches to normal pressure. At this point, the oxygen concentrator body 213 begins producing oxygen, and the oxygen outlet begins discharging oxygen. The display shows the oxygen flow rate and concentration. Simultaneously, the intelligent system uses the chamber pressure to automatically open the high-pressure air outlet 203 to increase the pressure when the chamber pressure falls below the set pressure. When the chamber pressure exceeds the set pressure, the high-pressure air outlet 203 is automatically closed, and the exhaust outlet 202 is opened for pressure relief. When the chamber oxygen concentration exceeds 25%, the exhaust outlet 202 is automatically opened to replace the cabin air. When the oxygen inhalation time reaches the set pressure, the display 205 automatically switches to decompression mode, the oxygen concentrator stops, and the exhaust outlet 202 is opened for pressure relief.

[0056] Furthermore, an air inlet 1081 and an air outlet 1082 are provided at the bottom of the oxygen inhalation mask 108 , and a check valve 1083 is provided on both the air inlet 1081 and the air outlet 1082 .

[0057] The check valve 1083 is used to improve the flow stability of the airflow and prevent the backflow of oxygen and exhaust gas.

[0058] Furthermore, the side wall of the oxygen chamber body 100 includes an inner chamber wall 111 , an outer chamber wall 112 and reinforcing ribs 113 .

[0059] The sandwich cabin structure improves the sound insulation and sealing effects of the oxygen cabin body 100.

[0060] Furthermore, rollers 215 are provided at the bottom of the oxygen chamber body 100 and the oxygen generator box 200 .

[0061] The rollers 215 facilitate movement of the device, thereby improving the flexibility of the device.

[0062] When using the device, turn on the power switch 206 on the oxygen generator box 200, confirm that the device is in normal state through the display screen 205, use the touch screen controller 105 to set the required parameters such as oxygen concentration, cabin pressure and oxygen inhalation time, and start the air compressor 212 through the touch screen controller 105 to allow high-pressure air to enter the oxygen cabin body 100, gradually increase the cabin pressure to a preset value, and when the pressure reaches the set value, automatically switch to the normal pressurization mode to keep the cabin pressure stable. After reaching the preset pressure, start the oxygen generator body 213 to start oxygen production. During the oxygen inhalation process, adjust the ball valve 3021 as needed to adjust the ratio of pure oxygen and air in the three-way pipe 301. Adjust the concentration of oxygen inhaled by the patient, and use the impeller 308, worm 3082, worm gear 3062 and cam 306 mechanism to achieve intermittent air supply, ensuring that the patient can intermittently inhale oxygen of different concentrations. When the patient feels uncomfortable, the ball valve 3021 can be quickly opened to the maximum to reduce the oxygen concentration in the breathing mask. At the same time, the oxygen concentration sensor 106 and the pressure sensor 107 are used to monitor the cabin conditions in real time. If the oxygen concentration in the cabin exceeds the safety threshold of 25%, the exhaust gas outlet 202 is automatically opened for air replacement. When the oxygen inhalation time reaches the set value, it automatically switches to the decompression mode, turns off the oxygen concentrator, and opens the exhaust gas outlet 202 for pressure relief until the cabin pressure returns to normal.

[0063] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An air circulation system for a hyperbaric oxygen chamber, comprising an oxygen chamber body (100) and an oxygen generator box (200), characterized in that: An oxygen mask (108) is provided in the oxygen cabin body (100), an oxygen inlet (101), an exhaust port (102), a high-pressure gas inlet (103) and a first data interface (104) are provided on the side wall of the oxygen cabin body (100), a touch screen controller (105) is provided in the oxygen cabin body (100), an oxygen concentrator body (213) and an air compressor (2012) are provided in the oxygen concentrator box (200), an oxygen outlet (201), an exhaust gas outlet (202), a high-pressure air inlet (103) and a first data interface (104) are provided on the side wall of the oxygen concentrator box (200), and an oxygen outlet (201), an exhaust gas outlet (202), a high-pressure air inlet (103) and a first data interface (104) are provided on the side wall of the oxygen cabin body (100). An air outlet (203) and a second data interface (204) are provided between the oxygen cabin body (100) and the oxygen generator box (200); an air inlet pipe (208), an exhaust pipe (209), a high-pressure air supply pipe (210) and a data line (211) for connection are provided; an oxygen inhalation air supply pipe (109) is provided between the oxygen inhalation mask (108) and the oxygen inlet (101); an intermittent ventilation component (300) is provided on the oxygen inhalation air supply pipe (109); and an exhalation pipe (110) is provided between the oxygen inhalation mask (108) and the exhaust port (102).

2. The air circulation system for a hyperbaric oxygen chamber according to claim 1, characterized in that: The intermittent ventilation assembly (300) comprises a three-way pipe (301), an air pipe (302), a one-way valve (3022), a pressure-stabilizing air bag (303), a humidifying bottle (304) and a fixing frame (309). The three-way pipe (301) is provided with a pure oxygen inlet (3011), an air inlet (3014) and a mixed outlet (3012). The pure oxygen inlet (3011) is connected to the oxygen inlet (101), and the air inlet (3014) is connected to the air pipe (301). 02) is connected in a through-connection manner, the mixing outlet (3012) is connected in a through-connection manner with the ventilation tube (310), the ventilation tube (310) passes through the pressure-stabilizing air bag (303) and is connected in a through-connection manner with the air inlet end of the humidification bottle (304), the air outlet end of the humidification bottle (304) is connected in a through-connection manner with the oxygen inhalation and air supply tube (109), the front end of the air tube (302) is provided with an air filter (311), and the air tube (302) is provided with a ball valve (3021) and a one-way valve (3022).

3. The air circulation system for a hyperbaric oxygen chamber according to claim 2, wherein: The three-way pipe (301) is provided with a contraction section (3013), the air inlet (3014) is connected to the side wall of the contraction section (3013), a rotatably connected impeller (308) is provided in the air inlet (3014), the upper end surface of the impeller (308) is provided with a first rotating shaft (3081), a rubber tube (307) is provided on the air pipe (302), the lower end of the rubber tube (307) is provided with a cam (306) rotatably connected to a fixing frame (309), a side end surface of the cam (306) is provided with a second rotating shaft (3061), a worm (3082) is provided on the first rotating shaft (3081), a worm wheel (3062) matched with the worm (3082) is provided on the second rotating shaft (3061), and a circumferential array of protrusions (3063) is provided on the cam (306).

4. The air circulation system for a hyperbaric oxygen chamber according to claim 2, wherein: The side wall of the vent tube (310) is provided with a pressure stabilizing port (3101) that is in communication with the pressure stabilizing airbag (303), and the pressure stabilizing airbag (303) is made of elastic silicone.

5. The air circulation system for a hyperbaric oxygen chamber according to claim 1, wherein: The left and right ends of the air inlet pipe (208) are connected to the oxygen inlet (101) and the oxygen outlet (201) respectively, the left and right ends of the exhaust pipe (209) are connected to the exhaust port (102) and the waste gas outlet (202) respectively, the air outlet end of the oxygen concentrator body (213) is connected to the oxygen outlet (201), and the waste gas outlet (202) is connected to the air.

6. The air circulation system for a hyperbaric oxygen chamber according to claim 1, wherein: The air outlet end of the air compressor (2012) is connected to the high-pressure air outlet (203), and the front end surface of the oxygen generator box (200) is provided with an air inlet (207).

7. The air circulation system for a hyperbaric oxygen chamber according to claim 1, wherein: The oxygen outlet (201), the exhaust gas outlet (202) and the high-pressure air outlet (203) are all provided with a solenoid valve (214); an oxygen concentration sensor (106) and a pressure sensor (107) are provided in the oxygen chamber body (100); the touch screen controller (105) is electrically connected to the solenoid valve (214), the oxygen concentration sensor (106), the pressure sensor (107), the air compressor (2012) and the oxygen concentrator body (213); a display screen (205) is provided on the front end surface of the oxygen concentrator case (200); and a switch (206) is provided on the side end surface of the oxygen concentrator case (200).

8. The air circulation system for a hyperbaric oxygen chamber according to claim 1, wherein: An air inlet (1081) and an air outlet (1082) are provided at the bottom of the oxygen inhalation mask (108), and a check valve (1083) is provided on both the air inlet (1081) and the air outlet (1082).

9. The air circulation system for a hyperbaric oxygen chamber according to claim 1, wherein: The side wall of the oxygen chamber body (100) includes an inner chamber wall (111), an outer chamber wall (112) and reinforcing ribs (113).

10. The air circulation system for a hyperbaric oxygen chamber according to claim 1, characterized in that: The bottoms of the oxygen cabin body (100) and the oxygen generator box (200) are both provided with rollers (215).

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