Portable oxygen generator

Abstract

This utility model discloses a portable oxygen concentrator, relating to the field of oxygen concentrator technology. It includes: an upper shell with a mounting groove on its top, a control panel inside the mounting groove, a faceplate affixed to the control panel, a connection between the upper shell and an oxygen outlet nozzle, and a second sealing ring at the connection point. The upper shell is connected to a compression main assembly, which in turn is connected to a molecular sieve assembly. The compression main assembly and the molecular sieve assembly are located inside the upper shell, and the bottom of the compression main assembly is connected to a battery box assembly. Air is pressurized by the compressor and then enters the molecular sieve assembly for oxygen-nitrogen separation. Through electromagnetic valve module control and backflushing technology, the oxygen concentration is further increased, and the oxygen is finally output through the oxygen outlet nozzle. The device offers multiple oxygen generation modes and flow rates, which users can select according to their needs. Compared with existing technologies, this utility model excels in high-flow, high-concentration oxygen output, and is easy to operate and carry, effectively meeting users' oxygen needs in different environments.

Description

Technical Field

[0001] This utility model relates to the field of oxygen generator technology, specifically a portable oxygen generator. Background Technology

[0002] While existing portable oxygen concentrators can meet basic oxygen needs, they fall short in terms of high-flow-rate, high-concentration oxygen output. Furthermore, their design is not compact enough, making them inconvenient to carry, and their oxygen supply is less than ideal in special environments such as high altitudes. Therefore, there is an urgent need for a portable oxygen concentrator to address these issues. Utility Model Content

[0003] The purpose of this utility model embodiment is to provide a portable oxygen generator to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A portable oxygen concentrator includes: an upper shell, a mounting groove on the top of the upper shell, a control panel inside the mounting groove, a faceplate affixed to the control panel, the upper shell being connected to an oxygen outlet nozzle, and a sealing ring being provided at the connection point, the upper shell being connected to a compression main assembly, the compression main assembly being connected to a molecular sieve assembly, the compression main assembly and the molecular sieve assembly being located inside the upper shell, and the bottom of the compression main assembly being connected to a battery box assembly.

[0006] As a further embodiment of this utility model: the battery box assembly includes: a battery box bottom, a lithium battery pack mounted on the battery box bottom, a battery charging board mounted on the lithium battery pack, a battery fixing buckle mounted on the battery box bottom, a spring mounted on the battery fixing buckle, and a battery box cover mounted on the battery box bottom, the battery box cover being connected to the battery box fixing buckle.

[0007] As a further embodiment of this utility model, an anti-slip pad is installed at the bottom of the battery box.

[0008] As a further embodiment of this utility model: the main compression component includes: an air compressor, which is fixed to the bottom shell by a fixed iron bracket. The bottom shell is connected to the battery box cover and the upper shell. A shock-absorbing sleeve is provided between the air compressor and the fixed iron bracket. A motor cover is installed on the bottom shell. The air compressor is connected to an air inlet tee. The air inlet tee is connected to one end of an air inlet silicone tube. The other end of the air inlet silicone tube is connected to the bottom shell. The bottom shell is connected to a charging board. A power board is installed on the motor cover. Fixed hardware is installed on the motor cover. The fixed hardware is connected to a solenoid valve module. The solenoid valve module is connected to the air compressor. The solenoid valve module is connected to a fan mounting component. The fan mounting component is connected to a cooling fan. The motor cover is connected to an ultrasonic component of the air storage tank.

[0009] As a further embodiment of this utility model: the bottom shell is connected to the muffler cover, and a sealing ring is provided at the connection point; an air intake filter cotton is provided between the muffler cover and the bottom shell.

[0010] As a further embodiment of this utility model: the solenoid valve module is provided with interfaces A, B, C, D, E, K, and L, and the ultrasonic component of the gas storage tank is provided with interfaces M and N.

[0011] As a further embodiment of this utility model: the molecular sieve assembly includes: a molecular sieve aluminum tube, which is provided in two sets, divided into barrel A and barrel B; the top of the molecular sieve aluminum tube is connected to the molecular sieve outlet end cap, and a second molecular sieve sealing ring is provided at the connection; the molecular sieve outlet end cap is connected to a small copper column; a silicone one-way valve is installed on the molecular sieve outlet end cap; the top of the molecular sieve outlet end cap is connected to the molecular sieve outlet guide cap, and a guide sealing ring is provided at the connection; the molecular sieve outlet end cap is connected to a second molecular sieve partition, and a molecular sieve partition is provided on the second molecular sieve partition. The second type of nonwoven fabric is sieved. The bottom of the molecular sieve aluminum tube is connected to the molecular sieve air inlet cap, and a molecular sieve sealing ring is provided at the connection. The molecular sieve air inlet cap is connected to the bottom shell. The molecular sieve air inlet cap is connected to a molecular sieve partition. A spring fixing ring is provided on the molecular sieve partition. The molecular sieve partition is connected to a molecular sieve spring through the spring fixing ring. The molecular sieve spring is connected to the molecular sieve air inlet cap. The molecular sieve partition is connected to a molecular sieve nonwoven fabric. The molecular sieve nonwoven fabric is connected to the molecular sieve body. The molecular sieve body is connected to the molecular sieve aluminum tube.

[0012] As a further embodiment of this utility model: the molecular sieve outlet cover is provided with F and G interfaces, the molecular sieve outlet guide cover is provided with H interface, and the molecular sieve inlet cover is provided with I and J interfaces.

[0013] As a further embodiment of this utility model, it also includes several sets of silicone tubes. The first set of silicone tubes has one end connected to the molecular sieve inlet end cap J interface and the other end connected to the solenoid valve module C interface. The second set of silicone tubes has one end connected to the molecular sieve inlet end cap I interface and the other end connected to the solenoid valve module B interface. The third set of silicone tubes has one end connected to the molecular sieve outlet end cap F interface and the other end connected to the solenoid valve module K interface. The fourth set of silicone tubes has one end connected to the molecular sieve outlet end cap G interface and the other end connected to the solenoid valve module L interface. The fifth set of silicone tubes has one end connected to the molecular sieve outlet guide cap H interface and the other end connected to the ultrasonic component N interface of the gas storage tank. The sixth set of silicone tubes has one end connected to the ultrasonic component M end interface of the gas storage tank and the other end connected to the oxygen inlet interface of the ultrasonic component of the gas storage tank.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] High flow rate and high concentration: Through the efficient cooperation of the solenoid valve module and molecular sieve assembly, high flow rate and high concentration of oxygen output are achieved, which is especially suitable for occasions with high oxygen demand such as outdoor travel and high-altitude mountaineering.

[0016] Compact and portable: The overall design is compact, small in size, and lightweight, making it easy to carry and use.

[0017] Easy to operate: Users can easily select different oxygen generation modes and flow levels using the buttons on the control panel, making operation simple and convenient.

[0018] High stability: The use of shock-absorbing sleeves and cooling fans effectively reduces vibration and heat accumulation during equipment operation, improving equipment stability and service life. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a portable oxygen generator according to an embodiment of the present invention.

[0020] Figure 2 This is a structural disassembly diagram of a portable oxygen concentrator according to an embodiment of the present invention.

[0021] Figure 3 This is an exploded view of the battery box assembly in an embodiment of the present invention.

[0022] Figure 4 This is an exploded view of the compression main component in an embodiment of this utility model.

[0023] Figure 5 This is a schematic diagram of the structure of the solenoid valve module in an embodiment of this utility model.

[0024] Figure 6This is an exploded view of the molecular sieve assembly in an embodiment of this utility model.

[0025] Figure 7 This is a schematic diagram of the molecular sieve assembly in an embodiment of the present invention.

[0026] In the diagram: 1. Anti-slip pads; 2. Battery box bottom; 3. Lithium battery pack; 4. Battery fixing buckle; 5. Battery box fixing buckle; 6. Battery charging board; 7. Spring 1; 8. Battery box cover; 9. Muffler cover; 10. Sealing ring 1; 11. Air intake filter cotton; 12. Bottom shell; 13. Charging board; 14. Fixing bracket; 15. Shock-absorbing sleeve; 16. Air intake tee; 17. Air compressor; 18. Air intake silicone tube; 19. Power board; 20. Motor cover; 21. Fixing hardware; 22. Fan fixing component; 23. Cooling fan; 24. Solenoid valve module; 25. Storage 26. Molecular sieve inlet cap; 27. Molecular sieve sealing ring 1; 28. Molecular sieve spring; 29. ​​Molecular sieve septum 1; 30. Molecular sieve non-woven fabric 1; 31. Molecular sieve body; 32. Molecular sieve aluminum tube; 33. Molecular sieve non-woven fabric 2; 34. Molecular sieve septum 2; 35. Molecular sieve sealing ring 2; 36. Molecular sieve outlet cap; 37. Small copper column; 38. Silicone check valve; 39. Air guide sealing ring; 40. Molecular sieve outlet guide cap; 41. Upper shell; 42. Control panel; 43. Surface sticker; 44. Oxygen outlet nozzle; 45. Sealing ring 2; 46. Silicone tube. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] In this embodiment of the utility model, please refer to Figures 1 to 7 A portable oxygen concentrator includes: an upper shell 41, a mounting groove on the top of the upper shell 41, a control panel 42 inside the mounting groove, a faceplate 43 attached to the control panel 42, the upper shell 41 being connected to an oxygen outlet 44, and a sealing ring 45 being provided at the connection point, the upper shell 41 being connected to a compression main assembly, the compression main assembly being connected to a molecular sieve assembly, the compression main assembly and the molecular sieve assembly being located inside the upper shell 41, and the bottom of the compression main assembly being connected to a battery box assembly.

[0029] In this embodiment, the oxygen concentrator has 7 pulse oxygen generation levels and 2 working modes (pulse and fixed frequency). The pulse oxygen generation flow rate ranges from 1 to 7, and the concentration range is above 90%; the fixed frequency mode automatically switches to fixed frequency oxygen generation when no breathing is detected.

[0030] As one embodiment of this utility model, please refer to Figures 1 to 3 The battery box assembly includes: a battery box bottom 2, a lithium battery pack 3 mounted on the battery box bottom 2, a battery charging board 6 mounted on the lithium battery pack 3, a battery fixing buckle 4 mounted on the battery box bottom 2, a spring 7 mounted on the battery fixing buckle 4, and a battery box cover 8 mounted on the battery box bottom 2, the battery box cover 8 being connected to the battery box fixing buckle 5.

[0031] As one embodiment of this utility model, please refer to Figure 3 The bottom of the battery box 2 is equipped with anti-slip pads 1.

[0032] The anti-slip foot pads 1 added to the overall stability of the oxygen concentrator.

[0033] As one embodiment of this utility model, please refer to Figures 1 to 5 The main compression assembly includes: an air compressor 17, which is fixed to the bottom shell 12 by a fixed iron bracket 14. The bottom shell 12 is connected to the battery box cover 8. A shock-absorbing sleeve 15 is provided between the air compressor 17 and the fixed iron bracket 14. A motor cover 20 is installed on the bottom shell 12. The air compressor 17 is connected to an air inlet tee 16. The air inlet tee 16 is connected to one end of an air inlet silicone tube 18. The other end of the air inlet silicone tube 18 is connected to the bottom shell 12. The bottom shell 12 is connected to a charging board 13. A power board 19 is installed on the motor cover 20. A fixing hardware 21 is installed on the motor cover 20. The fixing hardware 21 is connected to a solenoid valve module 24. The solenoid valve module 24 is connected to the air compressor 17. The solenoid valve module 24 is connected to a fan fixing component 22. The fan fixing component 22 is connected to a cooling fan 23. The motor cover 20 is connected to an ultrasonic component 25 of the air storage tank.

[0034] The bottom shell 12 is connected to the muffler cover 9, and a sealing ring 10 is provided at the connection. An air intake filter cotton 11 is provided between the muffler cover 9 and the bottom shell 12.

[0035] The solenoid valve module 24 is provided with interfaces A, B, C, D, E, K, and L, and the ultrasonic component 25 of the gas storage tank is provided with interfaces M and N.

[0036] In this embodiment, the charging board 13 is provided with a TPC port.

[0037] As one embodiment of this utility model, please refer to Figure 2 , Figure 6 and Figure 7 The molecular sieve assembly includes: a molecular sieve aluminum tube 32, which is provided in two sets, divided into A barrel and B barrel. The top of the molecular sieve aluminum tube 32 is connected to the molecular sieve outlet end cap 36, and a molecular sieve sealing ring 35 is provided at the connection. The molecular sieve outlet end cap 36 is connected to a small copper column 37. A silicone one-way valve 38 is installed on the molecular sieve outlet end cap 36. The top of the molecular sieve outlet end cap 36 is connected to the molecular sieve outlet guide cap 40, and a guide sealing ring 39 is provided at the connection. The molecular sieve outlet end cap 36 is connected to a molecular sieve partition 34, and a molecular sieve nonwoven fabric 33 is provided on the molecular sieve partition 34. The bottom of the aluminum tube 32 is connected to the molecular sieve inlet cap 26, and a molecular sieve sealing ring 27 is provided at the connection. The molecular sieve inlet cap 26 is connected to the bottom shell 12. The molecular sieve inlet cap 26 is connected to the molecular sieve partition 29. A spring fixing ring is provided on the molecular sieve partition 29. The molecular sieve partition 29 is connected to the molecular sieve spring 28 through the spring fixing ring. The molecular sieve spring 28 is connected to the molecular sieve inlet cap 26. The molecular sieve partition 29 is connected to the molecular sieve nonwoven fabric 30. The molecular sieve nonwoven fabric 30 is connected to the molecular sieve body 31. The molecular sieve body 31 is connected to the aluminum tube 32.

[0038] The molecular sieve outlet cap 36 is provided with F and G interfaces, the molecular sieve outlet guide cap 40 is provided with H interface, and the molecular sieve inlet cap 26 is provided with I and J interfaces.

[0039] As one embodiment of this utility model, please refer to Figure 2 , Figures 4 to 7 It also includes several sets of silicone tubes 46. The first set of silicone tubes 46 has one end connected to the molecular sieve inlet end cap 26J interface and the other end connected to the solenoid valve module 24C interface. The second set of silicone tubes 46 has one end connected to the molecular sieve inlet end cap 26I interface and the other end connected to the solenoid valve module 24B interface. The third set of silicone tubes 46 has one end connected to the molecular sieve outlet end cap 36F interface and the other end connected to the solenoid valve module 24K interface. The fourth set of silicone tubes 46 has one end connected to the molecular sieve outlet end cap 36G interface and the other end connected to the solenoid valve module 24L interface. The fifth set of silicone tubes 46 has one end connected to the molecular sieve outlet guide cap 40H interface and the other end connected to the ultrasonic component 25N interface of the gas storage tank. The sixth set of silicone tubes 46 has one end connected to the ultrasonic component 25M end interface of the gas storage tank and the other end connected to the oxygen inlet interface of the ultrasonic component 25 of the gas storage tank.

[0040] The working principle of this utility model is as follows: Start-up and power supply: Plug the adapter into the power socket to provide power to the oxygen concentrator; plug it into the charging port to directly supply power to the oxygen concentrator. At this time, the oxygen concentrator is in a powered state. Press the start button and the oxygen concentrator starts to work.

[0041] Air compression and pretreatment: Air enters the air compressor 17 through the air intake tee 16. The air compressor 17 pressurizes the air. Outside air is initially filtered through the air intake filter cotton 11 to remove impurities and dust from the air.

[0042] Oxygen-nitrogen separation: Pretreated air enters solenoid valve module 24. Solenoid valve module 24 controls the air flow direction, so that the air enters the A and B barrels of molecular sieve assembly respectively. Molecular sieve assembly separates oxygen and nitrogen from air through molecular sieve body 31. Oxygen enters solenoid valve module 24 through F and G interfaces of molecular sieve outlet end cap 36, and nitrogen is discharged through I and J interfaces of molecular sieve inlet end cap 26.

[0043] Backflushing and secondary separation: The solenoid valve module 24 backflushes the separated oxygen to further increase the oxygen concentration. The backflushed oxygen enters the ultrasonic component 25 of the gas storage tank through the H interface of the molecular sieve outlet cover 40. The ultrasonic component 25 of the gas storage tank stores and stabilizes the oxygen.

[0044] Output and Control: Processed oxygen is output through the oxygen outlet 44. Users can select different oxygen generation modes and flow rates using the buttons on the control panel 42. The oxygen concentrator has 7 pulse oxygen generation levels and 2 operating modes (pulse and fixed frequency). The pulse oxygen generation flow rate range is 1-7, and the concentration range is above 90%. The fixed frequency mode automatically switches to fixed frequency oxygen generation when no breathing is detected.

[0045] Heat dissipation and protection: The cooling fan 23 is connected to the solenoid valve module 24 through the fan mounting bracket 22 to dissipate heat inside the oxygen generator, ensuring the stability and safety of the equipment during long-term operation.

[0046] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0047] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A portable oxygen concentrator, characterized in that, include: The upper shell has a mounting groove at its top, a control panel inside the mounting groove, a faceplate affixed to the control panel, the upper shell is connected to the oxygen outlet nozzle, and a sealing ring is provided at the connection point, the upper shell is connected to the compression main assembly, the compression main assembly is connected to the molecular sieve assembly, the compression main assembly and the molecular sieve assembly are located inside the upper shell, and the bottom of the compression main assembly is connected to the battery box assembly. The battery box assembly includes: a battery box bottom, a lithium battery pack mounted on the battery box bottom, a battery charging board mounted on the lithium battery pack, a battery fixing buckle mounted on the battery box bottom, a spring mounted on the battery fixing buckle, and a battery box cover mounted on the battery box bottom, the battery box cover being connected to the battery box fixing buckle. The main compression assembly includes: an air compressor, which is fixed to the bottom shell by a fixed iron bracket. The bottom shell is connected to the battery box cover and the top shell. A shock-absorbing sleeve is provided between the air compressor and the fixed iron bracket. A motor cover is installed on the bottom shell. The air compressor is connected to an air intake tee. One end of the air intake tee is connected to an air intake silicone tube. The other end of the air intake silicone tube is connected to the bottom shell. The bottom shell is connected to a charging board. A power board is installed on the motor cover. Fixed hardware is installed on the motor cover. The fixed hardware is connected to a solenoid valve module. The solenoid valve module is connected to the air compressor. The solenoid valve module is connected to a fan mounting component. The fan mounting component is connected to a cooling fan. The motor cover is connected to an ultrasonic component of the air storage tank.

2. A portable oxygen concentrator according to claim 1, characterized in that, The bottom of the battery box is equipped with anti-slip pads.

3. A portable oxygen concentrator according to claim 1, characterized in that, The bottom shell is connected to the muffler cover, and a sealing ring is provided at the connection. An air intake filter cotton is provided between the muffler cover and the bottom shell.

4. A portable oxygen concentrator according to claim 1, characterized in that, The solenoid valve module is equipped with interfaces A, B, C, D, E, K, and L, while the ultrasonic component of the gas storage tank is equipped with interfaces M and N.

5. A portable oxygen concentrator according to claim 4, characterized in that, The molecular sieve assembly includes: a molecular sieve aluminum tube, which is provided in two sets, divided into barrel A and barrel B; the top of the molecular sieve aluminum tube is connected to the molecular sieve outlet cap, and a second molecular sieve sealing ring is provided at the connection; the molecular sieve outlet cap is connected to a small copper column; a silicone one-way valve is installed on the molecular sieve outlet cap; the top of the molecular sieve outlet cap is connected to the molecular sieve outlet guide cap, and a guide sealing ring is provided at the connection; the molecular sieve outlet cap is connected to a second molecular sieve spacer, and a second molecular sieve nonwoven fabric is provided on the second molecular sieve spacer. The bottom of the molecular sieve aluminum tube is connected to the molecular sieve inlet end cap, and a molecular sieve sealing ring is provided at the connection. The molecular sieve inlet end cap is connected to the bottom shell. The molecular sieve inlet end cap is connected to a molecular sieve partition. A spring fixing ring is provided on the molecular sieve partition. The molecular sieve partition is connected to a molecular sieve spring through the spring fixing ring. The molecular sieve spring is connected to the molecular sieve inlet end cap. The molecular sieve partition is connected to a molecular sieve nonwoven fabric. The molecular sieve nonwoven fabric is connected to the molecular sieve body. The molecular sieve body is connected to the molecular sieve aluminum tube.

6. A portable oxygen concentrator according to claim 5, characterized in that, The molecular sieve outlet cap is provided with F and G interfaces, the molecular sieve outlet guide cap is provided with H interface, and the molecular sieve inlet cap is provided with I and J interfaces.

7. A portable oxygen concentrator according to claim 6, characterized in that, It also includes several sets of silicone tubes. The first set of silicone tubes is connected at one end to the molecular sieve inlet end cap J interface and at the other end to the solenoid valve module C interface. The second set of silicone tubes is connected at one end to the molecular sieve inlet end cap I interface and at the other end to the solenoid valve module B interface. The third set of silicone tubes is connected at one end to the molecular sieve outlet end cap F interface and at the other end to the solenoid valve module K interface. The fourth set of silicone tubes is connected at one end to the molecular sieve outlet end cap G interface and at the other end to the solenoid valve module L interface. The fifth set of silicone tubes is connected at one end to the molecular sieve outlet guide cap H interface and at the other end to the ultrasonic component N interface of the gas storage tank. The sixth set of silicone tubes is connected at one end to the ultrasonic component M interface of the gas storage tank and at the other end to the oxygen inlet interface of the ultrasonic component of the gas storage tank.

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