A medical molecular sieve oxygen generator

Abstract

The present invention relates to the technical field of oxygen preparation equipment, and specifically relates to a medical molecular sieve oxygen generator, including: an air inlet pipeline, an impurity removal module, a four-way valve, a molecular sieve tower, a nitrogen discharge end, a spiral temperature guiding ring, an efficiency enhancing component, a temperature control box, a semiconductor refrigeration sheet, an adsorption mechanism, an adsorption box, an adsorption guiding frame, an adsorption sheet, a heating electrode, a ventilation worm wheel, an oxygen storage tower; at the cost of sacrificing the service life of the molecular sieve, it can still provide medical oxygen for patients for a period of time; when the spiral temperature guiding ring is activated by power-on, the control system also immediately activates an alarm so that medical staff can discover the decline in the oxygen generation capacity of the molecular sieve in the first time and need to replace the molecular sieve. During the replacement process, patients can obtain temporary oxygen supply by means of the oxygen temporarily stored in the oxygen storage tower. After the replacement of the molecular sieve is completed, they can continue to obtain a stable supply of medical oxygen.

Description

Technical Field

[0001] The present invention relates to the technical field of oxygen preparation equipment, and specifically relates to a medical molecular sieve oxygen generator. Background Art

[0002] In the healthcare system, oxygen, as a core element for maintaining vital signs, the way to obtain it is directly related to the treatment effect of diseases and the quality of life of patients. The common process routes of modern oxygen generators can be divided into three types: molecular sieve adsorption method, chemical oxygen generation method, and membrane separation method. Among them, the molecular sieve oxygen generator adopts the pressure swing adsorption technology, and selectively adsorbs nitrogen molecules through zeolite molecular sieves with nanoscale pores, and can output medical oxygen with a concentration of over 90%. With the triple advantages of stability, economy, and safety, it has become the mainstream technical route of global oxygen generation equipment and is widely used in hospitals, families, and other places with oxygen supply needs.

[0003] When centralized oxygen supply is provided to patients through a molecular sieve oxygen generator in a hospital, the air enters the pressure swing adsorption separation stage after being pressurized and deeply dehumidified and decontaminated through an internal filter and an air compressor. This process relies on the alternating operation of two towers: when compressed air enters one of the molecular sieve towers, the zeolite molecular sieves filled in the tower preferentially adsorb gases such as nitrogen and carbon dioxide, while oxygen penetrates through the molecular sieve bed layer and is collected; when the molecular sieves in this tower are saturated with adsorption, it automatically switches to another molecular sieve tower to continue adsorption, and at the same time, the original molecular sieve tower discharges the adsorbed nitrogen through rapid pressure reduction to restore the activity of the molecular sieves. This cycle is precisely controlled by a solenoid valve to achieve continuous oxygen supply. The high-concentration oxygen produced is reduced to a usable pressure through a pressure reducing valve before being transported to the terminal through a pipeline, and then can supply oxygen to multiple patients simultaneously.

[0004] During long-term operation, the performance of the molecular sieve will decay due to the adsorption of moisture or oil, resulting in a gradual decrease in the oxygen concentration or even being unable to meet the medical standard. To address this problem, the existing technology usually adopts two methods: one is to replace the molecular sieve according to a fixed cycle, and the other is to configure multiple oxygen generators through redundant design to form a standby unit. However, both of these solutions have significant resource waste and efficiency defects. The fixed-cycle replacement strategy is essentially a rough management based on time rather than the actual state of the molecular sieve, ignoring the dynamic effects of environmental temperature and humidity, air cleanliness, and equipment operating load on the life of the molecular sieve, resulting in material waste of the molecular sieve; although the redundant design can ensure the continuity of oxygen supply through the standby unit, the standby equipment is in a low-load or standby state for a long time, resulting in low resource utilization. More seriously, the additional requirements for space and energy in the redundant solution force its operating cost to increase significantly, which may be unbearable for small and medium-sized medical institutions.

[0005] In view of this, in order to overcome the above technical problems, the present invention proposes a medical molecular sieve oxygen generator. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art, the technical solution adopted by the present invention to solve its technical problems is as follows: A medical molecular sieve oxygen generator of the present invention includes: a housing, a compressor is fixedly installed below the housing, and an air intake grille is provided on the side wall of the housing at the installation position of the compressor;

[0007] It is characterized in that it further includes: an intake pipeline, the intake pipeline is connected to a four-way valve after passing through an impurity removal module along the air outlet end of the compressor; the other three ends of the four-way valve are respectively connected to the air intake ends of two molecular sieve towers and a nitrogen discharge end; a spiral temperature guiding ring is wound around the side wall of the molecular sieve tower fixedly connected in the housing, and an efficiency enhancing component is further installed between the four-way valve and the impurity removal module, and the efficiency enhancing component includes:

[0008] a temperature control box, the temperature control box is connected to the intake pipeline, and the top of the temperature control box is composed of a semiconductor refrigeration sheet to adjust the temperature of the high-pressure air entering the temperature control box;

[0009] an adsorption mechanism, the adsorption mechanism arranged close to the four-way valve is connected to the intake pipeline, and the adsorption mechanism is used for adsorbing and removing trace oil and water impurities in the air in the intake pipeline.

[0010] Preferably, the adsorption mechanism includes:

[0011] an adsorption box, the adsorption box is fixedly connected to the intake pipeline;

[0012] adsorption guide frames, multiple groups of the adsorption guide frames are uniformly arranged in the adsorption box perpendicular to the air flow direction;

[0013] adsorption sheets, the adsorption sheets are detachably connected in the adsorption guide frames, and the adsorption sheets are multi-layer adsorption structures composed of a front-end activated carbon layer and a rear-end microporous silica gel layer.

[0014] Preferably, the inner part of the spiral temperature guiding ring extends into the molecular sieve tower, and the outer part extends out of the molecular sieve tower and is in direct contact with the air; the spiral temperature guiding ring is an electric heating ring, and its end heating electrode is connected to the power supply of the oxygen generator.

[0015] Preferably, the adsorption guide frames are rotatably connected to the side wall of the adsorption box, and a ventilation worm wheel is fixedly connected to the end of the rotating shaft of the adsorption guide frame passing through the side wall of the adsorption box, and the ventilation worm wheel meshes with a ventilation worm shaft passing through the top of the adsorption box, and the upper end of the ventilation worm shaft extending out of the adsorption box is fixedly connected to the drive shaft of a micro motor.

[0016] Preferably, the adsorption guide frames are in a "zigzag" structure, and the adjacent adsorption guide frames are connected end to end to form a contact seal.

[0017] Preferably, the other end of the semiconductor refrigeration plate not facing the temperature control box is fixedly connected to a heat sink, the upper end of the heat sink is fixedly connected to a convection fan, and the convection fan is embedded in the upper end of the shell to discharge air upward.

[0018] Preferably, a corrugated plate is evenly and fixedly connected to the middle section of one end of the semiconductor refrigeration plate facing the temperature control box, and the corrugated plate is made of a material with high thermal conductivity.

[0019] Preferably, the air inlet port and the air outlet port of the temperature control box are arranged with staggered opening heights.

[0020] Preferably, an oxygen storage tower is fixedly connected between the two molecular sieve towers, the oxygen storage tower is communicated with the oxygen outlet of the molecular sieve tower, a composite air pump is installed at the top outlet of the oxygen storage tower, and the oxygen in the oxygen storage tower is output to the outside along the oxygen outlet pipeline through the composite air pump.

[0021] Preferably, the oxygen outlet pipeline of the oxygen storage tower is also provided with a pipeline for one-way output to the molecular sieve tower, and the composite air pump has two airflow output modes: pulse output and voltage-stabilized output.

[0022] The beneficial effects of the present invention are as follows:

[0023] 1. The spiral temperature-conducting ring surrounding the side wall of the molecular sieve tower extends into the tower to quickly conduct the heat generated by the molecular sieve adsorption process, and the outer spiral structure accelerates the heat exchange with the ambient air by expanding the surface area. The material with high thermal conductivity can reduce the temperature rise in the molecular sieve adsorption process and the temperature drop in the desorption process, which causes the temperature fluctuation in the molecular sieve tower. It maintains the temperature in the molecular sieve tower stable and keeps it at room temperature, ensuring that the molecular sieve can always produce oxygen at a suitable working temperature, thereby effectively improving the working efficiency of the molecular sieve.

[0024] 2. In an emergency, at the expense of the service life of the molecular sieve, it can continue to provide medical oxygen to patients for a period of time; when the spiral temperature conducting ring is powered on and activated, the control system also immediately activates the alarm so that medical staff can immediately discover the decline in the oxygen production capacity of the molecular sieve and the need to replace the molecular sieve. During the replacement process, the patient can obtain temporary oxygen supply with the help of the oxygen temporarily stored in the oxygen storage tower. After the molecular sieve is replaced, the patient can continue to obtain a stable supply of medical oxygen. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0028] Figure 3 is a cross-sectional view of the three-dimensional structure of the molecular sieve tower of the present invention;

[0029] Figure 4 is a cross-sectional view of the three-dimensional structure of the adsorption component of the present invention;

[0030] Figure 5 is Figure 4 an enlarged view of part A of

[0031] Figure 6 is an exploded view of the three-dimensional structure of the temperature control box and its related structures of the present invention.

[0032] In the figure: 1, housing; 2, compressor; 3, intake grille; 4, intake pipeline; 5, impurity removal module; 6, four-way valve; 7, molecular sieve tower; 8, nitrogen discharge end; 9, spiral temperature guide ring; 10, efficiency enhancement component; 11, temperature control box; 12, semiconductor refrigeration sheet; 13, adsorption mechanism; 14, adsorption box; 15, adsorption guide frame; 16, adsorption sheet; 17, heating electrode; 18, ventilation worm gear; 19, ventilation worm; 20, micro motor; 21, heat dissipation block; 22, convection fan; 23, corrugated sheet; 24, oxygen storage tower; 25, composite air pump; 26, oxygen outlet pipeline. Detailed implementation manners

[0033] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with the accompanying drawings of the specification and specific implementation manners.

[0034] As Figures 1 to 6 shown, an embodiment of the present invention provides a medical molecular sieve oxygen generator, including: a housing 1, a compressor 2 is fixedly installed below the housing 1, and an intake grille 3 is provided on the side wall of the housing 1 at the installation position of the compressor 2;

[0035] It further includes: an intake pipeline 4, the intake pipeline 4 is connected to a four-way valve 6 after passing through an impurity removal module 5 along the outlet end of the compressor 2; the other three ends of the four-way valve 6 are respectively connected to the intake ends of two molecular sieve towers 7 and a nitrogen discharge end 8; a spiral temperature guide ring 9 is wound around the side wall of the molecular sieve tower 7 fixedly connected in the housing 1, and an efficiency enhancement component 10 is further installed between the four-way valve 6 and the impurity removal module 5. The efficiency enhancement component 10 includes:

[0036] a temperature control box 11, the temperature control box 11 is connected to the intake pipeline 4, and the top of the temperature control box 11 is composed of a semiconductor refrigeration sheet 12 to adjust the temperature of the high-pressure air entering the temperature control box 11;

[0037] The adsorption mechanism 13 is arranged close to the four-way valve 6. The adsorption mechanism 13 communicated with the intake pipe 4 is used for adsorbing and removing trace oil and water impurities in the air in the intake pipe 4.

[0038] As an implementation manner of the present invention, the adsorption mechanism 13 includes:

[0039] An adsorption box 14 fixedly connected to the intake pipeline;

[0040] Adsorption guide frames 15. Multiple groups of the adsorption guide frames 16 are uniformly arranged in the adsorption box 14 perpendicular to the air flow direction;

[0041] Adsorption sheets 16 detachably connected in the adsorption guide frames 15. The adsorption sheets 16 are multi-layer adsorption structures composed of a front-end activated carbon layer and a rear-end microporous silica gel layer.

[0042] As an implementation manner of the present invention, the inner part of the spiral temperature guide ring 9 extends into the molecular sieve tower 7, and the outer part extends out of the molecular sieve tower 7 and is in direct contact with the air; the spiral temperature guide ring 9 is an electric heating ring, and its end heating electrode 17 is connected to the power supply of the oxygen generator.

[0043] As an implementation manner of the present invention, an oxygen storage tower 24 is also fixedly connected between the two molecular sieve towers 7. The oxygen storage tower 24 is communicated with the oxygen outlet of the molecular sieve tower 7. A composite air pump 25 is installed at the top outlet of the oxygen storage tower 24, and the oxygen in the oxygen storage tower 24 is output outward along the oxygen outlet pipeline 26 through the composite air pump 25.

[0044] As an implementation manner of the present invention, the adsorption guide frame 15 has a zigzag structure, and adjacent adsorption guide frames 15 are connected end to end to form a contact seal.

[0045] When preparing medical oxygen, first, start the compressor 2. After the compressor 2 draws in external air from the air intake grille 3 and generates high-pressure air, the airflow first passes through the air intake pipe 4 and the impurities in the air are filtered by the impurity removal module 5, and then enters the efficiency enhancement component 10 for further processing; the airflow first enters the temperature control box 11, and the high-pressure air is cooled by the semiconductor refrigeration plate 12 on the top of the temperature control box 11, thereby forming a thermodynamic environment that is conducive to the subsequent adsorption operation; the airflow after cooling immediately enters the adsorption mechanism 13 along the air intake pipe 4, and the adsorption box 14 of the adsorption mechanism 13 has a zigzag adsorption plate 14 arranged closely perpendicular to the airflow direction. The guide frame 15 forms a closed flow channel through the contact seal between adjacent frames, forcing all airflows to pass through the adsorption sheet 16 composed of an activated carbon layer and a microporous silica gel layer before entering the molecular sieve tower 7, adsorbing the trace oil and water vapor remaining in the air, and preventing the high-pressure airflow from escaping through the gap between adjacent adsorption guide frames 15, thereby removing particulate impurities in the high-pressure air that may cause the adsorption capacity of the molecular sieve as much as possible. Furthermore, the high-pressure airflow passing through the adsorption sheet 16 has eliminated the temperature rise generated when the compressor 2 is pressurized under the action of the semiconductor refrigeration sheet 12 when passing through the temperature control box 11, and even reduced it to below room temperature. At this time, the high-pressure and low-temperature airflow passes through the adsorption sheet 1 6, the adsorption sheet 16 adsorbs the trace impurities such as oil, gas and water vapor it carries more thoroughly and effectively; after flowing out from the air inlet pipe behind the adsorption box 14, it is switched to one of the molecular sieve towers 7 through the four-way valve 6 to perform oxygen-nitrogen separation. In this process, the molecular sieve releases heat during the nitrogen adsorption process in the tower, which will increase the temperature inside the molecular sieve tower 7. After a long adsorption time, the temperature inside the molecular sieve tower 7 will gradually no longer be conducive to the nitrogen adsorption work of the molecular sieve. For this reason, the spiral temperature conducting ring 9 surrounding the side wall of the molecular sieve tower 7 extending into the tower quickly conducts the heat generated by the molecular sieve adsorption process, and the outer spiral structure accelerates the heat exchange with the ambient air by expanding the surface area. , based on its high thermal conductivity, the material can just reduce the temperature fluctuation in the molecular sieve tower 7 caused by the temperature rise during the molecular sieve adsorption process and the temperature drop during the desorption process, maintain the temperature in the molecular sieve tower 7 stable, and keep it at room temperature, so as to ensure that the molecular sieve is always at a suitable working temperature for oxygen production, thereby effectively improving the working efficiency of the molecular sieve; finally, the oxygen produced by the molecular sieve tower 7 is temporarily stored in the oxygen storage tower 24, and the composite air pump 25 transports the composite medical standard oxygen gas flow to the outside along the oxygen outlet pipeline 26, so as to timely supply high-concentration oxygen to patients in the hospital who need oxygen supply, thereby ensuring that the oxygen supply demand of patients during the treatment of their illness is guaranteed;

[0046] During the continuous oxygen production process, the molecular sieve in the molecular sieve tower 7 will continuously accumulate impurity water vapor and the material of the molecular sieve itself will age, resulting in a continuous decline in its oxygen production capacity. When it is detected at the gas inlet of the oxygen storage tower 24 that the oxygen concentration produced by the molecular sieve fails to reach the medical standard within a certain period of time, it means that the oxygen production capacity of the molecular sieve in the molecular sieve tower 7 is insufficient and can no longer provide medical oxygen for patients. At this time, the control system energizes and activates the spiral temperature conduction ring 9 on the molecular sieve tower 7 in the desorption state to perform emergency heating on the molecular sieve inside. Although high temperature will damage the service life of the molecular sieve, high temperature can also enhance the desorption efficiency of the molecular sieve, thereby short-term enhancing the oxygen production capacity of the molecular sieve. Therefore, in this emergency state, at the cost of sacrificing the service life of the molecular sieve, it can still provide medical oxygen for patients for a period of time; when the spiral temperature conduction ring 9 is energized and activated, the control system also immediately activates an alarm so that medical staff can discover the decline in the oxygen production capacity of the molecular sieve in the first time and need to replace the molecular sieve. During the replacement process, patients can obtain temporary oxygen supply by means of the oxygen temporarily stored in the oxygen storage tower 24. After the molecular sieve is replaced, a stable medical oxygen supply can be continued.

[0047] As an embodiment of the present invention, the adsorption guide frame 15 is rotatably connected to the side wall of the adsorption box 14, and the rotating shaft of the adsorption guide frame 15 passes through the side wall end of the adsorption box 14 and is fixedly connected to a ventilation worm gear 18. The ventilation worm gear 18 meshes with a ventilation worm shaft 19 passing through the top of the adsorption box 14. The ventilation worm shaft 19 extends out of the upper end of the adsorption box 14 and is fixedly connected to the drive shaft of a micro motor 20.

[0048] As an embodiment of the present invention, the other end of the semiconductor refrigeration sheet 12 that does not face the inside of the temperature control box 11 is fixedly connected to a heat dissipation block 21. The upper end of the heat dissipation block 21 is fixedly connected to a convection fan 22. The convection fan 22 is embedded in the upper end of the housing 1 and blows air upward.

[0049] As an embodiment of the present invention, a wave sheet 23 is uniformly and spacedly fixedly connected to the middle section of the end of the semiconductor refrigeration sheet 12 facing the inside of the temperature control box 11. The wave sheet 23 is made of a material with high thermal conductivity.

[0050] As an embodiment of the present invention, the opening heights of the air inlet port and the air outlet port of the temperature control box 11 are staggeredly distributed.

[0051] During operation, to ensure that the temperature of the high-pressure air in the temperature control box 11 can be effectively adjusted, the thermoelectric cooler 12 at the top of the temperature control box 11 increases the contact area with the air flow through the corrugated sheet 23. The corrugated sheet 23 made of a high thermal conductivity material quickly transfers the cold to the core layer of the air flow. Combining with the staggered distribution of the air inlet and outlet, it forces the air flow to pass through the temperature control box 11 along an S-shaped path, extending the heat exchange time and uniformly reducing the air flow temperature below room temperature. The heat sink 21 on the back of the thermoelectric cooler 12 exhausts air upward through the convection fan 22, using the chimney effect to form a continuous air flow and avoiding the performance degradation of the cooler due to excessive temperature difference between the hot and cold surfaces.

[0052] When it is detected that the oxygen concentration decreases, while the emergency heating function of the spiral temperature guiding ring 9 on the molecular sieve tower 7 in the desorption process is activated, the power of the compressor 2 is increased to pressurize the air to the pressure tolerance limit of the molecular sieve. The voltage across the two ends of the thermoelectric cooler 12 in the temperature control box 11 is increased to further enhance its air cooling ability. The micro motor 20 above the adsorption box 14 also starts immediately. The micro motor 20 drives the ventilation worm 19 to rotate, driving the ventilation worm gear 18 fixedly connected to the rotating shaft of the adsorption guide frame 15 to rotate synchronously, converting the adsorption guide frame 15 from a stationary state to a swinging state under the action of the micro motor 20. By swinging at a high frequency, the adsorption sheet 16 continuously changes the flow direction of the air flow on the surface of the adsorption sheet 16, avoiding the formation of penetrating pores in the microporous silica gel layer due to too fast local air flow scouring. At the same time, more adsorption sites are exposed in the activated carbon layer under the dynamic disturbance, so as to effectively adsorb and intercept the oil and gas impurities in the air without reducing the flow rate of the high-pressure air flow as much as possible. After the pressurized high-pressure low-temperature air enters the molecular sieve, the adsorption efficiency of the molecular sieve for nitrogen is accelerated, further ensuring that in the emergency state, the oxygen production capacity of the molecular sieve is sufficient to provide medical oxygen with a concentration of more than 90% for patients, ensuring that patients can still obtain sufficient oxygen supply even when the normal oxygen production capacity of the molecular sieve declines, and ensuring that there is no risk of interruption in the oxygen inhalation treatment of critically ill patients.

[0053] As an implementation mode of the present invention, the oxygen outlet pipeline 26 of the oxygen storage tower 24 is also provided with a pipeline that outputs unidirectionally into the molecular sieve tower 7, and the composite air pump 25 has two air flow output modes: pulse output and constant voltage output.

[0054] During operation, when the molecular sieve tower 7 is in the oxygen adsorption state, the composite gas pump 25 switches to the constant pressure output mode, and conveys the high-concentration oxygen in the oxygen storage tower 24 to the oxygen-using terminal along the oxygen outlet pipeline 26 at a constant pressure, ensuring that the air supply pressure of the treatment equipment will not have excessive fluctuations; when the molecular sieve tower 7 enters the desorption and regeneration stage, especially in the emergency state, the composite gas pump 25 switches to the pulse output mode, and injects part of the oxygen in the oxygen storage tower 24 into the molecular sieve tower 7 in the reverse direction through the one-way pipeline by intermittent pressurization, uses the pulsed gas flow to scour the pores of the molecular sieve, accelerates the nitrogen desorption, and takes away the connected residual water vapor together from the nitrogen discharge end 8, thereby achieving the technical effect of further improving the regeneration efficiency of the molecular sieve.

[0055] The above shows and describes the basic principles, main features and remarkable advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above specific embodiments. Without departing from the spirit and scope of the present invention, the present invention may also be subject to various changes and improvements to adapt to different usage environments and customer requirements, and these changes and improvements all fall within the protection scope of the present invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A medical molecular sieve oxygen generator, comprising: A housing (1), a compressor (2) is fixedly installed below the housing (1), and an air intake grille (3) is provided on the side wall of the housing (1) at the installation position of the compressor (2); It is characterized in that it further includes: an intake pipeline (4), the intake pipeline (4) is connected to a four-way valve (6) after passing through an impurity removal module (5) along the air outlet end of the compressor (2); the other three ends of the four-way valve (6) are respectively connected to the air intake ends of two molecular sieve towers (7) and a nitrogen discharge end (8); a spiral temperature guiding ring (9) is wound around the side wall of the molecular sieve tower (7) fixedly connected in the housing (1), and an efficiency enhancing component (10) is further installed between the four-way valve (6) and the impurity removal module (5), and the efficiency enhancing component (10) includes: A temperature control box (11), the temperature control box (11) is connected to the intake pipeline (4), and the top of the temperature control box (11) is composed of a semiconductor refrigeration sheet (12) to adjust the temperature of the high-pressure air entering the temperature control box (11); An adsorption mechanism (13), the adsorption mechanism (13) disposed close to the four-way valve (6) is connected to the intake pipeline (4), and the adsorption mechanism (13) is used for adsorbing and removing trace amounts of oil and water impurities in the air in the intake pipeline (4); The adsorption mechanism (13) includes: An adsorption box (14), the adsorption box (14) is fixedly connected to the intake pipeline; Adsorption guide frames (15), a plurality of groups of the adsorption guide frames (15) are uniformly arranged in the adsorption box (14) perpendicular to the air flow direction; Adsorption sheets (16), the adsorption sheets (16) are detachably connected in the adsorption guide frames (15), and the adsorption sheets (16) are multi-layer adsorption structures composed of a front activated carbon layer and a rear microporous silica gel layer; The inner part of the spiral temperature guiding ring (9) extends into the molecular sieve tower (7), and the outer part extends out of the molecular sieve tower (7) and is in direct contact with the air; the spiral temperature guiding ring (9) is an electric heating ring, and its terminal heating electrode (17) is connected to the power supply of the oxygen generator; The adsorption guide frame (15) is rotatably connected to the side wall of the adsorption box (14), and a ventilation worm wheel (18) is fixedly connected to the end of the rotating shaft of the adsorption guide frame (15) passing through the side wall of the adsorption box (14), the ventilation worm wheel (18) is engaged with a ventilation worm (19) passing through the top of the adsorption box (14), and the upper end of the ventilation worm (19) extending out of the adsorption box (14) is fixedly connected to the driving shaft of a micro motor (20), and the adsorption sheets (16) installed in the adsorption guide frame (15) make high-frequency swings under the drive of the micro motor (20).

2. The medical molecular sieve oxygen generator according to claim 1, wherein: The adsorption guide frame (15) is in a "zigzag" structure, and adjacent adsorption guide frames (15) are connected end to end to form a contact seal.

3. The medical molecular sieve oxygen generator according to claim 1, wherein : The other end of the semiconductor refrigeration sheet (12) not facing the inside of the temperature control box (11) is fixedly connected to a heat dissipation block (21), a convection fan (22) is fixedly connected to the upper end of the heat dissipation block (21), and the convection fan (22) is embedded in the upper end of the housing (1) to blow out air outward.

4. The medical molecular sieve oxygen generator according to claim 1, wherein : One middle section of one end of the semiconductor refrigerating sheet (12) facing the temperature control box (11) is fixedly connected with wave sheets (23) at even intervals, and the wave sheets (23) are made of high thermal conductivity materials.

5. The medical molecular sieve oxygen generator according to claim 4, characterized in that : The opening heights of the air inlet port and the air outlet port of the temperature control box (11) are staggeredly distributed.

6. The medical molecular sieve oxygen generator according to claim 1, characterized in that : An oxygen storage tower (24) is also fixedly connected between the two molecular sieve towers (7). The oxygen storage tower (24) is communicated with the oxygen outlet of the molecular sieve tower (7). A compound air pump (25) is installed at the top outlet of the oxygen storage tower (24), and the oxygen in the oxygen storage tower (24) is output outward along the oxygen outlet pipeline (26) through the compound air pump (25).

7. The medical molecular sieve oxygen generator according to claim 6, characterized in that : The oxygen outlet pipeline (26) of the oxygen storage tower (24) is also provided with a pipeline for unidirectionally outputting to the molecular sieve tower (7), and the compound air pump (25) has two air flow output modes of pulse output and voltage stabilizing output.

Images