CN112811397A

CN112811397A - Medical oxygen generator

Info

Publication number: CN112811397A
Application number: CN202110291996.6A
Authority: CN
Inventors: 常晓亮
Original assignee: Anyang Hanma Medical Technology Co ltd
Current assignee: Anyang Hanma Medical Technology Co ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-05-18
Anticipated expiration: 2041-03-18
Also published as: CN112811397B

Abstract

The invention provides a medical oxygen generator which comprises a case, a touch screen, an air inlet, a frequency converter, an oxygen concentration sensor, a control box, a molecular sieve assembly, a precision filter, an oil-free compressor, a first bearing plate, a second bearing plate, an oxygen bus bar, an air filtering silencer, an air radiator, a freeze dryer, traveling wheels, an oil-free supercharger, an oxygen storage tank arranged on the first bearing plate, an air bus tank arranged on the right side of the lower end in the case and a cooling fan arranged at the top of the right end of the case. The medical oxygen generator can not only remove dust and water from gas so as to enable people to obtain clean and dry fresh oxygen, but also continue to work when electric energy cannot be obtained through an external circuit, and can also perform dustproof treatment on a touch screen so as to reduce the frequency of cleaning dust; in addition, the device can be conveniently moved, and can not easily deviate during working.

Description

Medical oxygen generator

Technical Field

The invention relates to the technical field of oxygen generation devices, in particular to a medical oxygen generator.

Background

A medical oxygen generator based on pressure-variable adsorption (PSA) technique features that molecular sieve is filled in it by physical adsorption and desorption, and the nitrogen in air is adsorbed when it is pressurized, and the residual unabsorbed oxygen is collected and purified to obtain high-purity oxygen.

The existing medical oxygen generator can meet the basic requirement of people for preparing oxygen, but has the defect that the excessive moisture and dust in the oxygen cannot be effectively removed; in addition, once the device can not obtain electric energy through an external circuit, the device can not continue to work normally; in addition, the existing touch screen is usually directly exposed in the air no matter whether the touch screen is used or not, so that the existing touch screen has the defect that the touch screen is easy to be stained with a large amount of dust in a short time and needs people to frequently clean the touch screen; in addition, current oxygenerator, in order to make things convenient for the removal, all can set up the walking wheel in its bottom usually, but the existence of walking wheel leads to the device to take place the skew easily when berthhing the work again.

Disclosure of Invention

In view of the above, the invention provides a medical oxygen generator, which can perform dust removal and water removal treatment on gas, so that people can obtain clean and dry fresh oxygen, can continue to work when electric energy cannot be obtained through an external circuit, and can perform dust prevention treatment on a touch screen, so that the frequency of cleaning dust is reduced; in addition, the device can be conveniently moved, and can not easily deviate during working.

In order to solve the technical problems, the invention adopts the technical scheme that: a medical oxygen generator comprises a case, a touch screen arranged on the left side wall of the upper end of the front face of the case, air inlets arranged on the front side wall and the rear side wall of the lower portion of the right end of the case, a frequency converter arranged on the left side of the upper end of the case, an oxygen concentration sensor arranged on the left side of the upper end of the case, a control box arranged on the left side of the upper end of the case and in communication connection with the touch screen, a molecular sieve assembly arranged on the left side of the lower end of the case, a precision filter arranged on the right side of the upper end of the case, an oil-free compressor arranged on the right side of the lower end of the case, a first bearing plate transversely arranged on the left end of the case, a second bearing plate transversely arranged on the right end of the case, an oxygen bus arranged at the bottom of the second bearing plate, an air bus arranged at the bottom of the, The freeze dryer is arranged on the second bearing plate, the travelling wheel is arranged at the bottom of the case, the oil-free supercharger is arranged on the first bearing plate, the oxygen storage tank is arranged on the first bearing plate, the air confluence tank is arranged on the right side of the lower end inside the case, and the cooling fan is arranged at the top of the right end of the case;

the air filtering silencer, the oil-free compressor, the air bus bar, the air radiator, the freeze dryer, the precision filter, the air bus tank and the molecular sieve assembly are all connected through pipelines;

the oxygen concentration sensor is in communication connection with the oxygen storage tank.

Furthermore, the walking wheel is a universal wheel with a wheel brake.

Furthermore, the number of molecular sieve assembly is 4, 4 the molecular sieve assembly divide equally and be connected with air collection flow jar, oil-free booster compressor through the pipeline respectively.

Further, the precision filter is a two-stage filter, and the filtering precision of the precision filter is 1 μm and 0.01 μm in sequence according to the air flowing direction.

Further, the top of machine case still is provided with the battery, still be provided with the wire that charges that is used for carrying on charging on the battery, the wire that charges keeps away from the one end of battery still is provided with charging plug, the side of machine case still is provided with the thing groove of putting that is used for placing charging wire and charging plug, touch-control screen, converter, oxygen concentration sensor, control box, molecular sieve assembly, precision filter, oil-free compressor, filtration silencer, air radiator, freeze dryer, oil-free booster compressor and radiator fan electric connection.

Furthermore, the front end of the touch screen is also provided with a dustproof module.

Further, dustproof module including set up at the mounting groove of touch screen front end, with the side of mounting groove articulated and with the shield of mounting groove joint, set up the handle on the shield, set up first magnet piece on the shield lateral wall, set up on quick-witted case and can with first magnet piece inter attraction and then be used for carrying out the second magnet piece that fixes and set up on the inner wall of mounting groove and with the sealing washer of shield looks adaptation.

Furthermore, a transparent observation window is further arranged on the dustproof cover.

Furthermore, a plurality of telescopic push rods are vertically arranged at the bottom of the case, supporting cushion blocks are arranged at the lower ends of output shafts of the telescopic push rods, and anti-skid pads are arranged at the bottoms of the supporting cushion blocks; the case is also provided with an adjusting box, a PLC controller is arranged in the adjusting box, and the adjusting box is provided with a first switch which is in communication connection with the PLC controller and is used for enabling the output shafts of the plurality of telescopic push rods to extend synchronously and a second switch which is in communication connection with the PLC controller and is used for enabling the output shafts of the plurality of telescopic push rods to shorten synchronously; the PLC controller, the first switch, the second switch and the plurality of telescopic push rods are respectively and electrically connected with the storage battery.

Furthermore, the number of the telescopic push rods is four, and the four telescopic push rods are respectively arranged on the left side and the right side of the front end of the bottom of the case and the left side and the right side of the rear end of the bottom of the case.

Compared with the prior art, the invention has the beneficial effects that: one, can be through the touch screen, the control box, the cooperation of converter, to oil-free compressor, the air radiator, the freeze dryer, the precision filter, the air converges jar, the molecular sieve assembly, there is not oily booster compressor, oxygen storage tank and oxygen concentration sensor and radiator fan carry out coordinated control, thereby utilize oil-free compressor to carry out compression treatment to the air, and carry out cooling treatment to the air after compressing through the air radiator, carry out drying treatment to the air through the freeze dryer, later cool down the compressed air through this oxygenerator, later get into drying system drying treatment, carry the secondary import precision filter that the filter fineness is 1 mu m and 0.01 mu m respectively to remove dust and remove water, clean dry fresh air flows through the air converges jar, the air converges jar provides air supply rational distribution and buffer memory for a plurality of molecular sieve assemblies, the molecular sieve assembly output high concentration oxygen gets into there is not oily booster compressor through the pipeline and carries out the pressure boost and satisfies customer's oxygen pressure demand, the pressurized oxygen enters an oxygen storage tank through a pipeline for caching, using and detecting; in the process of preparing oxygen by using the device, the precise filter, the air radiator and the freeze dryer can be subjected to heat radiation treatment by the heat radiation fan, so that the service life of the device is prolonged.

Secondly, standby electric energy can be provided for the touch screen, the frequency converter, the oxygen concentration sensor, the control box, the molecular sieve assembly, the precision filter, the oil-free compressor, the air filtering silencer, the air radiator, the freeze dryer, the oil-free supercharger and the cooling fan through the storage battery, so that the medical oxygen generator can still work normally under the condition that the electric energy cannot be obtained through an external circuit, and the applicability and the reliability of the device are improved; when the storage battery needs to be charged, the charging lead with the charging plug is taken out of the storage tank and is electrically connected with the socket, so that the electric energy can be supplemented for the storage battery; after the charging treatment of the storage battery is completed, the charging plug is taken down and is put into the storage tank together with the charging lead.

Thirdly, when the touch screen needs to be used, the dust cover can be pulled open by means of the handle, and the opened dust cover is adsorbed and fixed on the case through the matching of the first magnet piece and the second magnet piece, so that the opened dust cover is prevented from rotating autonomously, and further the operation of people on the touch screen is influenced; after the touch screen is operated, one magnet piece can be separated from the second magnet piece, the dustproof cover is clamped and fixed with the mounting groove by means of the handle, the sealing performance and the dustproof performance of the joint of the dustproof cover and the mounting groove are improved through the sealing ring, and the touch screen is prevented from being exposed in the air when the touch screen cannot be used, so that the ash falling amount on the touch screen in the same time is reduced, and the frequency of cleaning operation of people on the touch screen is reduced; through transparent observation window, can just look over the state of touch-control screen directly perceivedly under the condition of not opening the shield.

Fourthly, after the device is moved to a proper position through the travelling wheels, the output shafts of the plurality of telescopic push rods can be synchronously extended downwards for a certain length, the supporting cushion blocks and the anti-slip mats move downwards to be in direct contact with the ground, the bottoms of the travelling wheels are lifted away from the ground in the process that the output shafts of the plurality of telescopic push rods continue to be synchronously extended downwards, the friction force between the travelling wheels and the ground is increased through the direct contact between the anti-slip mats and the ground, and the device is prevented from easily deviating in the working process; when the device needs to be moved, only the output shafts of the plurality of telescopic push rods need to be synchronously upwards shortened by a certain length to enable the supporting cushion blocks and the anti-slip pads to upwards move, so that the anti-slip pads are separated from the ground, the bottoms of the walking wheels are directly contacted with the ground again, and then the device can be moved in a time-saving and labor-saving manner by means of the walking wheels; through the cooperation of PLC controller, first switch, can make the output shaft of a plurality of flexible push rods extend certain length downwards in step, through the cooperation of PLC controller, second switch, can make the output shaft of a plurality of flexible push rods upwards shorten certain length in step, consequently, through the cooperation of PLC controller, first switch, second switch, can conveniently carry out nimble control and regulation to the elongation of the output shaft of a plurality of flexible push rods.

Drawings

Fig. 1 is a schematic front view of a first embodiment of the present invention;

FIG. 2 is a schematic rear view of the first embodiment of the present invention;

FIG. 3 is a schematic view of a side housing of an embodiment of the present invention with the side housing removed;

fig. 4 is a front view of the embodiment of the present invention with the side housing removed.

FIG. 5 is a rear view of a side housing of an embodiment of the present invention;

FIG. 6 is a left side view of the first embodiment of the present invention with the side housing removed;

FIG. 7 is a schematic top view illustrating a first embodiment of the present invention;

fig. 8 is a schematic front view of a second embodiment of the present invention.

In the figure: 1. a frequency converter; 2. an oxygen concentration sensor; 3. a control box; 4. a molecular sieve assembly; 5. a precision filter; 6. an oil-free compressor; 7. an oxygen bus; 8. an air bus; 9. an air filtration muffler; 10. an air radiator; 11. a freeze dryer; 12. a traveling wheel; 13. an oil-free supercharger; 14. an oxygen storage tank; 15. an air confluence tank; 16. a heat radiation fan; 17. a chassis; 18. a first bearing plate; 19. a second carrier plate; 20. a touch screen; 21. an air inlet; 22. a storage battery; 23. a charging wire; 24. a charging plug; 25. a storage groove; 26. mounting grooves; 27. a dust cover; 28. a handle; 29. a first magnet piece; 30. a second magnet piece; 31. a seal ring; 32. a transparent viewing window; 33. a telescopic push rod; 34. supporting the cushion block; 35. a non-slip mat; 36. an adjusting box; 37. a PLC controller; 38. a first switch; 39. a second switch.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in FIGS. 1-7, a medical oxygen generator comprises a case 17, a touch screen 20 disposed on the left side wall of the upper end of the front face of the case 17, air inlets 21 disposed on the front and rear side walls of the lower portion of the right end of the case 17, a frequency converter 1 disposed on the left side of the upper end of the interior of the case 17, an oxygen concentration sensor 2 disposed on the left side of the upper end of the interior of the case 17, a control box 3 disposed on the left side of the upper end of the interior of the case 17 and communicatively connected to the touch screen 20, a molecular sieve assembly 4 disposed on the left side of the lower end of the interior of the case 17, a precision filter 5 disposed on the right side of the upper end of the interior of the case 17, an oil-free compressor 6 disposed on the right side of the lower end of the interior of the case 17, a first bearing plate 18 disposed on the left end of the interior of the case 17, a second bearing, The air filtering and noise reducing device comprises air filtering and noise reducing devices 9 arranged on the front side and the rear side of the right end of the top of a case 17, an air radiator 10 arranged on the inner wall of the top of the right end of the case 17, a freeze dryer 11 arranged on a second bearing plate 19, traveling wheels 12 arranged at the bottom of the case 17, an oil-free supercharger 13 arranged on a first bearing plate 18, an oxygen storage tank 14 arranged on the first bearing plate 18, an air confluence tank 15 arranged on the right side of the lower end inside the case 17 and a cooling fan 16 arranged at the top of the right end of the case 17;

the air filtering silencer 9, the oil-free compressor 6, the air bus bar 8, the air radiator 10, the freeze dryer 11, the precision filter 5, the air bus tank 15 and the molecular sieve assembly 4 are all connected through pipelines;

the oxygen concentration sensor 2 is in communication connection with the oxygen storage tank 14;

the oil-free compressor 6, the air radiator 10, the freeze dryer 11, the precision filter 5, the air confluence tank 15, the molecular sieve assembly 4, the oil-free supercharger 13, the oxygen storage tank 14, the oxygen concentration sensor 2 and the cooling fan 16 are all in communication connection with the control box 3 respectively.

The walking wheels 12 are universal wheels with wheel brakes.

The number of the molecular sieve assemblies 4 is 4, 4 the molecular sieve assemblies are respectively connected with an air confluence tank and an oil-free supercharger through pipelines.

The precision filter 5 is a two-stage filter, and the filtering precision of the precision filter 5 is 1 μm and 0.01 μm in sequence according to the air flowing direction.

Be provided with the controller in the control box 3, the controller can select to use 89C51 series singlechip commonly used, also can select current AVR singlechip for use, and application prior art carries out the programming and can obtain the application the function.

Concretely, can be through the touch screen, the control box, the cooperation of converter, to oil-free compressor, air radiator, freeze dryer, precision filter, the air jar that converges, the molecular sieve assembly, there is not oily booster compressor, oxygen gas holder and oxygen concentration sensor and radiator fan carry out coordinated control, thereby utilize oil-free compressor to compress the air and handle, and carry out cooling treatment to the air after the compression through air radiator, carry out drying treatment to the air through freeze dryer, later cool down compressed air through this oxygenerator, later get into drying system drying treatment, carry the secondary import precision filter that the filter fineness is 1 mu m and 0.01 mu m respectively to remove dust and remove water, clean dry fresh air flows through the air jar that converges, the air jar that converges provides air supply rational distribution and buffer memory for a plurality of molecular sieve assemblies, the booster compressor assembly output high concentration oxygen gets into through the pipeline and does not have oil to carry out the pressure boost and satisfies customer's oxygen pressure needs the dehydration The pressurized oxygen enters an oxygen storage tank through a pipeline for caching, using and detecting; in the process of preparing oxygen by using the device, the precise filter, the air radiator and the freeze dryer can be subjected to heat radiation treatment by the heat radiation fan, so that the service life of the device is prolonged.

Example two

As shown in fig. 8, the present embodiment is different from the first embodiment in that: the top of machine case 17 still is provided with battery 22, still be provided with the charging wire 23 that is used for charging on the battery 22, the one end that battery 22 was kept away from to charging wire 23 still is provided with charging plug 24, the side of machine case 17 still is provided with and is used for placing charging wire 23 and charging plug 24 puts the thing groove 25, touch-control screen 20, converter 1, oxygen concentration sensor 2, control box 3, molecular sieve assembly 4, precision filter 5, oil-free compressor 6, filtration silencer 9, air radiator 10, freeze dryer 11, oil-free booster 13 and radiator fan 16 electric connection.

The front end of the touch screen 20 is further provided with a dustproof module.

The dustproof module comprises a mounting groove 26 arranged at the front end of the touch screen 20, a dustproof cover 27 hinged to the side end of the mounting groove 26 and clamped with the mounting groove 26, a handle 28 arranged on the dustproof cover 27, a first magnet piece 29 arranged on the outer side wall of the dustproof cover 27, a second magnet piece 30 arranged on the case 17 and capable of attracting the first magnet piece 29 to fix the opened dustproof cover 27, and a sealing ring 31 arranged on the inner wall of the mounting groove 26 and matched with the dustproof cover 27.

The dust cover 27 is also provided with a transparent viewing window 32.

A plurality of telescopic push rods 33 are also vertically arranged at the bottom of the case 17, a supporting cushion block 34 is arranged at the lower end of an output shaft of each telescopic push rod 33, and an anti-skid pad 35 is arranged at the bottom of each supporting cushion block 34; the case 17 is further provided with an adjusting box 36, a PLC controller 37 is arranged in the adjusting box 36, and the adjusting box 36 is provided with a first switch 38 which is in communication connection with the PLC controller 37 and is used for enabling output shafts of the plurality of telescopic push rods 33 to extend synchronously, and a second switch 39 which is in communication connection with the PLC controller 37 and is used for enabling output shafts of the plurality of telescopic push rods 33 to shorten synchronously; the PLC 37, the first switch 38, the second switch 39 and the plurality of telescopic push rods 33 are electrically connected with the storage battery 22 respectively.

The number of the telescopic push rods 33 is four, and the four telescopic push rods 33 are respectively arranged on the left side and the right side of the front end of the bottom of the case 17 and the left side and the right side of the rear end of the bottom of the case 17.

Specifically, the storage battery can provide standby electric energy for the touch screen, the frequency converter, the oxygen concentration sensor, the control box, the molecular sieve assembly, the precision filter, the oil-free compressor, the air filtering silencer, the air radiator, the freeze dryer, the oil-free supercharger and the cooling fan, so that the medical oxygen generator can still work normally under the condition that the electric energy cannot be obtained through the external circuit, and the applicability and the reliability of the device are improved; when the storage battery needs to be charged, the charging lead with the charging plug is taken out of the storage tank and is electrically connected with the socket, so that the electric energy can be supplemented for the storage battery; after the charging treatment of the storage battery is completed, the charging plug is taken down and is put into the storage tank together with the charging lead.

When the touch screen needs to be used, the dust cover can be pulled open by means of the handle, and the opened dust cover is adsorbed and fixed on the case through the matching of the first magnet piece and the second magnet piece, so that the opened dust cover is prevented from rotating autonomously, and further the operation of people on the touch screen is influenced; after the touch screen is operated, one magnet piece can be separated from the second magnet piece, the dustproof cover is clamped and fixed with the mounting groove by means of the handle, the sealing performance and the dustproof performance of the joint of the dustproof cover and the mounting groove are improved through the sealing ring, and the touch screen is prevented from being exposed in the air when the touch screen cannot be used, so that the ash falling amount on the touch screen in the same time is reduced, and the frequency of cleaning operation of people on the touch screen is reduced; through transparent observation window, can just look over the state of touch-control screen directly perceivedly under the condition of not opening the shield.

Through the travelling wheels, after the device is moved to a proper position, the output shafts of the plurality of telescopic push rods can be synchronously extended downwards for a certain length, so that the supporting cushion blocks and the anti-slip mats move downwards to be in direct contact with the ground, in the process that the output shafts of the plurality of telescopic push rods continue to be synchronously extended downwards, the bottom of the travelling wheels is lifted away from the ground, the friction force between the travelling wheels and the ground is increased through the direct contact between the anti-slip mats and the ground, and the device is prevented from easily deviating in the working process; when the device needs to be moved, only the output shafts of the plurality of telescopic push rods need to be synchronously upwards shortened by a certain length to enable the supporting cushion blocks and the anti-slip pads to upwards move, so that the anti-slip pads are separated from the ground, the bottoms of the walking wheels are directly contacted with the ground again, and then the device can be moved in a time-saving and labor-saving manner by means of the walking wheels; through the cooperation of PLC controller, first switch, can make the output shaft of a plurality of flexible push rods extend certain length downwards in step, through the cooperation of PLC controller, second switch, can make the output shaft of a plurality of flexible push rods upwards shorten certain length in step, consequently, through the cooperation of PLC controller, first switch, second switch, can conveniently carry out nimble control and regulation to the elongation of the output shaft of a plurality of flexible push rods.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A medical oxygen generator is characterized in that: the device comprises a case (17), a touch screen (20) arranged on the left side wall of the upper end of the front face of the case, an air inlet (21) arranged on the front side wall and the rear side wall of the lower portion of the right end of the case (17), a frequency converter (1) arranged on the left side of the upper end of the inside of the case (17), an oxygen concentration sensor (2) arranged on the left side of the upper end of the inside of the case (17), a control box (3) arranged on the left side of the upper end of the inside of the case (17) and in communication connection with the touch screen (20), a molecular sieve assembly (4) arranged on the left side of the lower end of the inside of the case (17), a precision filter (5) arranged on the right side of the upper end of the inside of the case (17), an oil-free compressor (6) arranged on the right side of the lower end of the inside of the case (17), a first bearing plate (18) transversely arranged on, The air collecting device comprises an air collecting bar (8) arranged at the bottom of a second bearing plate (19), air filtering silencers (9) arranged at the front side and the rear side of the right end of the top of a case (17), an air radiator (10) arranged on the inner wall of the top of the right end of the case (17), a freeze dryer (11) arranged on the second bearing plate (19), traveling wheels (12) arranged at the bottom of the case, an oil-free supercharger (13) arranged on a first bearing plate (18), an oxygen storage tank (14) arranged on the first bearing plate (18), an air collecting tank (15) arranged on the right side of the lower end in the case and a cooling fan (16) arranged at the top of the right end of the case;

the air filtering silencer (9), the oil-free compressor (6), the air bus bar (8), the air radiator (10), the freeze dryer (11), the precision filter (5), the air bus tank (15) and the molecular sieve assembly (4) are all connected through pipelines;

the oxygen concentration sensor (2) is in communication connection with the oxygen storage tank (14);

the oil-free compressor, the air radiator, the freeze dryer, the precision filter, the air confluence tank, the molecular sieve assembly, the oil-free supercharger, the oxygen storage tank, the oxygen concentration sensor and the cooling fan are respectively in communication connection with the control box.

2. The medical oxygen generator of claim 1, wherein: the walking wheels (12) are universal wheels with wheel brakes.

3. The medical oxygen generator of claim 2, wherein: the number of the molecular sieve assemblies (4) is 4, 4 the molecular sieve assemblies (4) are respectively connected with an air confluence tank and an oil-free supercharger through pipelines.

4. The medical oxygen generator of claim 3, wherein: the precision filter (5) is a two-stage filter, and the filtering precision of the precision filter (5) is 1 micrometer and 0.01 micrometer in sequence according to the air flowing direction.

5. The medical oxygen generator of claim 4, wherein: the top of machine case (17) still is provided with battery (22), still be provided with on battery (22) and be used for carrying out the charging wire (23) that charges, the one end that battery (22) were kept away from in charging wire (23) still is provided with charging plug (24), the side of machine case (17) still is provided with and is used for placing putting thing groove (25) of charging wire and charging plug (24), touch-control screen (20), converter (1), oxygen concentration sensor (2), control box (3), molecular sieve assembly (4), precision filter (5), oil free compressor (6), filtration silencer (9), air radiator (10), freeze dryer (11), oil free booster (13) and radiator fan (16) electric connection.

6. The medical oxygen generator of claim 5, wherein: the front end of the touch screen (20) is also provided with a dustproof module.

7. The medical oxygen generator of claim 6, wherein: the dustproof module comprises a mounting groove (26) arranged at the front end of the touch screen (20), a dustproof cover (27) hinged to the side end of the mounting groove (26) and connected with the mounting groove (26) in a clamped mode, a handle (28) arranged on the dustproof cover (27), a first magnet piece (29) arranged on the outer side wall of the dustproof cover (27), a second magnet piece (30) arranged on the case (17) and capable of attracting the first magnet piece (29) to fix the opened dustproof cover (27) and a sealing ring (31) arranged on the inner wall of the mounting groove (26) and matched with the dustproof cover.

8. The medical oxygen generator of claim 7, wherein: and a transparent observation window (32) is also arranged on the dustproof cover (27).

9. The medical oxygen generator of claim 8, wherein: a plurality of telescopic push rods (33) are also vertically arranged at the bottom of the case (17), supporting cushion blocks (34) are arranged at the lower ends of output shafts of the telescopic push rods (33), and anti-skid pads (35) are arranged at the bottoms of the supporting cushion blocks (34); the machine box (17) is further provided with an adjusting box (36), a PLC (programmable logic controller) is arranged in the adjusting box (36), a first switch (38) which is in communication connection with the PLC (37) and is used for enabling output shafts of the telescopic push rods (33) to extend synchronously and a second switch (39) which is in communication connection with the PLC (37) and is used for enabling output shafts of the telescopic push rods (33) to shorten synchronously are arranged on the adjusting box (36); the PLC controller (37), the first switch (38), the second switch (39) and the plurality of telescopic push rods (33) are electrically connected with the storage battery (22) respectively.

10. The medical oxygen generator of claim 9, wherein: the number of the telescopic push rods (33) is four, and the four telescopic push rods (33) are respectively arranged on the left side and the right side of the front end of the bottom of the case (17) and the left side and the right side of the rear end of the bottom of the case (17).