CN219156513U - Portable oxygen generating device - Google Patents

Portable oxygen generating device Download PDF

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Publication number
CN219156513U
CN219156513U CN202320309680.XU CN202320309680U CN219156513U CN 219156513 U CN219156513 U CN 219156513U CN 202320309680 U CN202320309680 U CN 202320309680U CN 219156513 U CN219156513 U CN 219156513U
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oxygen
hydrogen peroxide
pipe
oxygen generating
catalyst
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Chinese (zh)
Inventor
程冲
王婷
邓玉婷
陈梁昱
徐若瑄
张艺芸
段定怡
何超
李爽
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Sichuan University
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Sichuan University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

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Abstract

The utility model relates to a portable oxygen generating device, which comprises an oxygen generating container, wherein a first medicine layer is arranged at the bottom of an inner cavity of the oxygen generating container, a second medicine input mechanism is arranged above the first medicine layer, an exhaust pipe is arranged at the top of the oxygen generating container, the exhaust pipe is connected with a flexible oxygen bag, an oxygen supply pipe is arranged on the oxygen bag, and a flow control pulley is arranged on the oxygen supply pipe; and a hydrogen peroxide purifying mechanism is arranged in the oxygen generating container or on the oxygen supply pipe. The oxygen bag can play the role of collecting oxygen, and the collected oxygen is conveyed to oxygen equipment such as an oxygen mask through the oxygen supply pipe, and the flow control pulley is arranged on the oxygen supply pipe, so that the oxygen supply flow can be regulated and controlled according to the oxygen consumption speed, uniform oxygen supply is ensured, the oxygen supply can be stopped at any time, and the oxygen supply device is convenient to use. By arranging the hydrogen peroxide purifying mechanism, hydrogen peroxide in oxygen can be removed, and the purity of the oxygen can be improved.

Description

Portable oxygen generating device
Technical Field
The utility model belongs to the field of oxygen production equipment, and particularly relates to a portable oxygen generating device.
Background
The fields of highland activities, battlefield activities, deep sea activities, underground exploration, underground mining and the like often need oxygen generators to assist in oxygen supply, at present, devices for producing oxygen comprise molecular sieve oxygen generators for producing oxygen by utilizing molecular sieve physical adsorption and desorption technologies and electronic oxygen generators for producing oxygen by utilizing an electrochemical principle, and the devices have complex structures, consume energy during operation, have high oxygen cost, are inconvenient to carry about and are difficult to use in an anoxic environment.
To date, techniques for achieving both constant, portable, energy-efficient and in situ production of high purity oxygen have rarely been implemented in the oxygen production industry. At present, the catalytic decomposition of hydrogen peroxide into oxygen and water by using a catalyst is a viable scheme for in-situ production of oxygen, and the scheme has the advantages of good designability, excellent stability, low cost and low energy consumption.
The conventional portable oxygenerators for promoting the decomposition of hydrogen peroxide to produce oxygen by using a catalyst can refer to the prior art such as CN 203033767U-an oxygenerator using hydrogen peroxide or CN 205953499U-a portable oxygenerator, and the conventional oxygenerators have the following problems:
1. during use, if the oxygen-making container is toppled over, the hydrogen peroxide solution can be led into a pipeline for conveying oxygen, so that the oxygen is impure;
2. the oxygen production rate is difficult to keep constant, and the flow of the output oxygen cannot be regulated.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a portable oxygen generating device which can prevent hydrogen peroxide from being mixed into oxygen and regulate and control the flow of oxygen supply.
In order to solve the problems, the utility model adopts the following technical scheme: the portable oxygen generating device comprises an oxygen generating container, a first medicine layer is arranged at the bottom of an inner cavity of the oxygen generating container, a second medicine input mechanism is arranged above the first medicine layer, and an exhaust pipe is arranged at the top of the oxygen generating container;
the exhaust pipe is connected with a flexible oxygen bag, an oxygen supply pipe is arranged on the oxygen bag, and a flow control pulley is arranged on the oxygen supply pipe;
and a hydrogen peroxide purifying mechanism is arranged in the oxygen generating container or on the oxygen supply pipe.
Further, the first medicine layer is the hydrogen peroxide solution layer, the second medicine input mechanism includes the rotation wheel, the rotation wheel sets up in producing oxygen container through the pivot, the winding is provided with the stay cord on the rotation wheel, the tip of stay cord is provided with the catalyst and fills the piece, the one end of pivot stretches out the lateral wall of producing oxygen container and is provided with the rotation handle.
Further, the catalyst filler is a catalyst bag or a catalyst carbon paper.
Further, a rubber plug is arranged in the upper port of the oxygen generating container, and the exhaust pipe penetrates through the rubber plug.
Further, the first medicine layer is a catalyst powder layer, and the second medicine input mechanism is a unidirectional liquid injection channel arranged in an upper port of the oxygen generating container.
Further, the hydrogen peroxide purifying mechanism comprises an oxygen bottle, a pure water layer is arranged in the oxygen bottle, an air inlet pipe is arranged at the top of the oxygen bottle, the air outlet pipe comprises a first air outlet pipe and a second air outlet pipe, one end of the first air outlet pipe is connected with an oxygen generating container, the other end of the first air outlet pipe is connected with the upper end of the air inlet pipe, and the lower end of the air inlet pipe stretches into the pure water layer; one end of the second exhaust pipe is connected with the upper part of the oxygen bottle, and the other end of the second exhaust pipe is connected with the oxygen bag.
Further, a flowmeter, a pressure gauge and a pressure reducing valve are arranged on the air inlet pipe.
Further, the hydrogen peroxide purifying mechanism is a polytetrafluoroethylene breathable hydrophobic film arranged at the inlet of the exhaust pipe.
The beneficial effects of the utility model are as follows: the oxygen bag can play the role of collecting oxygen, and the collected oxygen is conveyed to oxygen equipment such as an oxygen mask through the oxygen supply pipe, and the flow control pulley is arranged on the oxygen supply pipe, so that the oxygen supply flow can be regulated and controlled according to the oxygen consumption speed, uniform oxygen supply is ensured, the oxygen supply can be stopped at any time, and the oxygen supply device is convenient to use.
By arranging the hydrogen peroxide purifying mechanism, the hydrogen peroxide solution can be prevented from entering the oxygen bag, and the purity of oxygen is improved.
Drawings
FIG. 1 is a schematic diagram of a first embodiment;
FIG. 2 is a schematic diagram of a second embodiment;
FIG. 3 is a schematic diagram of a third embodiment;
FIG. 4 is a schematic diagram of a fourth embodiment;
reference numerals: 1-an oxygen generating container; 11-a first drug layer; 12-an exhaust pipe; 13-rotating wheels; 14-pulling rope; 15-catalyst loading member; 16-turning the handle; 17-a rubber plug; 18-polytetrafluoroethylene breathable hydrophobic membrane; 19-a unidirectional liquid injection channel; 2-an oxygen bag; 21-an oxygen supply pipe; 22-a flow control pulley; 3-an oxygen cylinder; 31-pure water layer; 32-an air inlet pipe; 33-a flow meter; 34—a pressure gauge; 35-pressure reducing valve.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
Example 1
The portable oxygen generating device of this embodiment, as shown in fig. 1, includes oxygen generating container 1, and oxygen generating container 1 inner chamber's bottom is provided with first medicine layer 11, and the top of first medicine layer 11 is provided with second medicine input mechanism, and oxygen generating container 1's top is provided with blast pipe 12, and blast pipe 12 is connected with flexible oxygen bag 2, is provided with oxygen supply tube 21 on the oxygen bag 2, is provided with flow control pulley 22 on the oxygen supply tube 21.
The oxygen generating container 1 may be a barrel-shaped or bottle-shaped container such as a glass bottle, a plastic bottle, or a metal bottle.
The second medicine input mechanism is used for inputting a second medicine so that the second medicine reacts with the first medicine, in the utility model, the second medicine is one of hydrogen peroxide solution and a catalyst, the first medicine is the other of the hydrogen peroxide solution and the catalyst, and the catalyst can adopt manganese dioxide powder, and after the two are mixed, the decomposition of hydrogen peroxide can be promoted to generate oxygen.
In this embodiment, the first medicine layer 11 is a hydrogen peroxide solution layer, the second medicine input mechanism includes a rotating wheel 13, the rotating wheel 13 is disposed in the oxygen generating container 1 through a rotating shaft, a pull rope 14 is wound on the rotating wheel 13, a catalyst filling member 15 is disposed at an end of the pull rope 14, and one end of the rotating shaft extends out of a side wall of the oxygen generating container 1 and is provided with a rotating handle 16.
The hydrogen peroxide solution is injected into the oxygen-generating container 1 in advance, and a hydrogen peroxide solution layer is formed at a certain depth at the bottom of the oxygen-generating container 1. The catalyst filling member 15 is positioned above the hydrogen peroxide solution layer and is not in contact with the hydrogen peroxide solution layer, when oxygen production is needed, the rotating handle 16 is rotated to drive the rotating shaft and the rotating wheel 13 on the rotating shaft to rotate, the rotating wheel 13 unwinds the pull rope 14, so that the catalyst filling member 15 is placed in the hydrogen peroxide solution, and the catalyst on the catalyst filling member 15 promotes the decomposition of hydrogen peroxide to generate oxygen.
Most of the existing portable oxygenerators are disposable, and the oxygen generation reaction is difficult to stop until the oxygen generation reaction is completed. In the utility model, when the oxygen production amount meets the requirement, the rotary handle 16 can be reversely rotated to pull the catalyst loading piece 15 to move upwards, the catalyst loading piece 15 is separated from the hydrogen peroxide solution, and the hydrogen peroxide can stop decomposing, namely the oxygen production is stopped. Therefore, the oxygen production process can be interrupted, oxygen can be produced for a plurality of times, and the use is more flexible.
The catalyst loading member 15 is a catalyst bag or a catalyst carbon paper. The catalyst bag, i.e. the bag containing the catalyst, may be made of various materials into which hydrogen peroxide can enter, such as a filter membrane, etc. The catalyst carbon paper is formed by sticking catalyst powder to carbon paper through Nafion (copolymer of polytetrafluoroethylene and perfluoro-3, 6-diepoxy-4-methyl-7-decene-sulfuric acid), and the powder can not fall off when the catalyst carbon paper is contacted with hydrogen peroxide solution.
A rubber stopper 17 is arranged in the upper port of the oxygen generating container 1, and the exhaust pipe 12 penetrates through the rubber stopper 17. The rubber stopper 17 seals the upper port of the oxygen generating vessel 1 to prevent air leakage.
The oxygen supply pipe 21 is provided with a hydrogen peroxide purifying mechanism, the hydrogen peroxide purifying mechanism comprises an oxygen bottle 3, a pure water layer 31 is arranged in the oxygen bottle 3, the top of the oxygen bottle 3 is provided with an air inlet pipe 32, the air outlet pipe 12 comprises a first air outlet pipe and a second air outlet pipe, one end of the first air outlet pipe is connected with the oxygen generating container 1, the other end of the first air outlet pipe is connected with the upper end of the air inlet pipe 32, and the lower end of the air inlet pipe 32 extends into the pure water layer 31; one end of the second exhaust pipe is connected with the upper part of the oxygen bottle 3, and the other end is connected with the oxygen bag 2.
Oxygen generated in the oxygen generating container 1 is conveyed to the air inlet pipe 32 through the first air outlet pipe, then enters the pure water layer 31 through the air inlet pipe 32, and after water washing, the purity of the oxygen is improved. The purified oxygen flows upward to the second exhaust pipe, and is then transported to the oxygen bag 2 by the second exhaust pipe.
The intake pipe 32 is provided with a flow meter 33, a pressure gauge 34, and a pressure reducing valve 35. The flow meter 33 can detect the oxygen flow, the pressure meter 34 can observe the oxygen pressure, and the pressure reducing valve 35 can reduce the transient pressure. In addition, a flow rate adjusting valve may be provided in the intake pipe 32 for adjusting the flow rate of oxygen.
The oxygen bag 2 has an effect of collecting oxygen, and the flow control pulley 22 is used for adjusting the flow rate of oxygen in the oxygen supply tube 21. The oxygen bag 2 is a transparent and harmless plastic bag, and the structure and principle of the flow control pulley 22 are similar to those of a conventional infusion tube.
The end of the oxygen supply pipe 21 far away from the oxygen bag 2 can be provided with an interface which can be plugged and unplugged for a plurality of times, when oxygen is produced, the second exhaust pipe is connected to the oxygen supply pipe 21, oxygen is conveyed to the oxygen bag 2 through the oxygen supply pipe 21 and stored in the oxygen bag 2, when oxygen is needed to be used, the flow control pulley 22 is adjusted, so that the flow of the oxygen supply pipe 21 is 0, the second exhaust pipe is unplugged, and the oxygen supply pipe of the oxygen mask is plugged. Thus, only one air hole needs to be formed in the oxygen bag 2. Of course, the oxygen supply pipe 21 and the second exhaust pipe may be connected to the oxygen bag 2, respectively, and oxygen may be used in the production of oxygen.
Example two
The portable oxygen generating device of this embodiment, as shown in fig. 2, includes oxygen generating container 1, and oxygen generating container 1 inner chamber's bottom is provided with first medicine layer 11, and the top of first medicine layer 11 is provided with second medicine input mechanism, and oxygen generating container 1's top is provided with blast pipe 12, and blast pipe 12 is connected with flexible oxygen bag 2, is provided with oxygen supply tube 21 on the oxygen bag 2, is provided with flow control pulley 22 on the oxygen supply tube 21.
The oxygen generating container 1 may be a barrel-shaped or bottle-shaped container such as a glass bottle, a plastic bottle, or a metal bottle.
The second medicine input mechanism is used for inputting a second medicine so that the second medicine reacts with the first medicine, in the utility model, the second medicine is one of hydrogen peroxide solution and a catalyst, the first medicine is the other of the hydrogen peroxide solution and the catalyst, and the catalyst can adopt manganese dioxide powder, and after the two are mixed, the decomposition of hydrogen peroxide can be promoted to generate oxygen.
In this embodiment, the first medicine layer 11 is a hydrogen peroxide solution layer, the second medicine input mechanism includes a rotating wheel 13, the rotating wheel 13 is disposed in the oxygen generating container 1 through a rotating shaft, a pull rope 14 is wound on the rotating wheel 13, a catalyst filling member 15 is disposed at an end of the pull rope 14, and one end of the rotating shaft extends out of a side wall of the oxygen generating container 1 and is provided with a rotating handle 16.
The hydrogen peroxide solution is injected into the oxygen-generating container 1 in advance, and a hydrogen peroxide solution layer is formed at a certain depth at the bottom of the oxygen-generating container 1. The catalyst filling member 15 is positioned above the hydrogen peroxide solution layer and is not in contact with the hydrogen peroxide solution layer, when oxygen production is needed, the rotating handle 16 is rotated to drive the rotating shaft and the rotating wheel 13 on the rotating shaft to rotate, the rotating wheel 13 unwinds the pull rope 14, so that the catalyst filling member 15 is placed in the hydrogen peroxide solution, and the catalyst on the catalyst filling member 15 promotes the decomposition of hydrogen peroxide to generate oxygen.
Most of the existing portable oxygenerators are disposable, and the oxygen generation reaction is difficult to stop until the oxygen generation reaction is completed. In the utility model, when the oxygen production amount meets the requirement, the rotary handle 16 can be reversely rotated to pull the catalyst loading piece 15 to move upwards, the catalyst loading piece 15 is separated from the hydrogen peroxide solution, and the hydrogen peroxide can stop decomposing, namely the oxygen production is stopped. Therefore, the oxygen production process can be interrupted, oxygen can be produced for a plurality of times, and the use is more flexible.
The catalyst loading member 15 is a catalyst bag or a catalyst carbon paper. The catalyst bag, i.e. the bag containing the catalyst, may be made of various materials into which hydrogen peroxide can enter, such as a filter membrane, etc. The catalyst carbon paper is formed by sticking catalyst powder to carbon paper through Nafion (copolymer of polytetrafluoroethylene and perfluoro-3, 6-diepoxy-4-methyl-7-decene-sulfuric acid), and the powder can not fall off when the catalyst carbon paper is contacted with hydrogen peroxide solution.
A rubber stopper 17 is arranged in the upper port of the oxygen generating container 1, and the exhaust pipe 12 penetrates through the rubber stopper 17. The rubber stopper 17 seals the upper port of the oxygen generating vessel 1 to prevent air leakage.
The oxygen supply pipe 21 is provided with a hydrogen peroxide purifying mechanism, the hydrogen peroxide purifying mechanism comprises an oxygen bottle 3, a pure water layer 31 is arranged in the oxygen bottle 3, the top of the oxygen bottle 3 is provided with an air inlet pipe 32, the air outlet pipe 12 comprises a first air outlet pipe and a second air outlet pipe, one end of the first air outlet pipe is connected with the oxygen generating container 1, the other end of the first air outlet pipe is connected with the upper end of the air inlet pipe 32, and the lower end of the air inlet pipe 32 extends into the pure water layer 31; one end of the second exhaust pipe is connected with the upper part of the oxygen bottle 3, and the other end is connected with the oxygen bag 2.
Oxygen generated in the oxygen generating container 1 is conveyed to the air inlet pipe 32 through the first air outlet pipe, then enters the pure water layer 31 through the air inlet pipe 32, and after water washing, the purity of the oxygen is improved. The purified oxygen flows upward to the second exhaust pipe, and is then transported to the oxygen bag 2 by the second exhaust pipe.
The oxygen bag 2 has an effect of collecting oxygen, and the flow control pulley 22 is used for adjusting the flow rate of oxygen in the oxygen supply tube 21. The oxygen bag 2 is a transparent and harmless plastic bag, and the structure and principle of the flow control pulley 22 are similar to those of a conventional infusion tube.
The end of the oxygen supply pipe 21 far away from the oxygen bag 2 can be provided with an interface which can be plugged and unplugged for a plurality of times, when oxygen is produced, the second exhaust pipe is connected to the oxygen supply pipe 21, oxygen is conveyed to the oxygen bag 2 through the oxygen supply pipe 21 and stored in the oxygen bag 2, when oxygen is needed to be used, the flow control pulley 22 is adjusted, so that the flow of the oxygen supply pipe 21 is 0, the second exhaust pipe is unplugged, and the oxygen supply pipe of the oxygen mask is plugged. Thus, only one air hole needs to be formed in the oxygen bag 2. Of course, the oxygen supply pipe 21 and the second exhaust pipe may be connected to the oxygen bag 2, respectively, and oxygen may be used in the production of oxygen.
Example III
The portable oxygen generating device of this embodiment, as shown in fig. 3, includes oxygen generating container 1, and oxygen generating container 1 inner chamber's bottom is provided with first medicine layer 11, and the top of first medicine layer 11 is provided with second medicine input mechanism, and oxygen generating container 1's top is provided with blast pipe 12, and blast pipe 12 is connected with flexible oxygen bag 2, is provided with oxygen supply tube 21 on the oxygen bag 2, is provided with flow control pulley 22 on the oxygen supply tube 21.
The oxygen generating container 1 may be a barrel-shaped or bottle-shaped container such as a glass bottle, a plastic bottle, or a metal bottle.
The second medicine input mechanism is used for inputting a second medicine so that the second medicine reacts with the first medicine, in the utility model, the second medicine is one of hydrogen peroxide solution and a catalyst, the first medicine is the other of the hydrogen peroxide solution and the catalyst, and the catalyst can adopt manganese dioxide powder, and after the two are mixed, the decomposition of hydrogen peroxide can be promoted to generate oxygen.
In this embodiment, the first medicine layer 11 is a hydrogen peroxide solution layer, the second medicine input mechanism includes a rotating wheel 13, the rotating wheel 13 is disposed in the oxygen generating container 1 through a rotating shaft, a pull rope 14 is wound on the rotating wheel 13, a catalyst filling member 15 is disposed at an end of the pull rope 14, and one end of the rotating shaft extends out of a side wall of the oxygen generating container 1 and is provided with a rotating handle 16.
The hydrogen peroxide solution is injected into the oxygen-generating container 1 in advance, and a hydrogen peroxide solution layer is formed at a certain depth at the bottom of the oxygen-generating container 1. The catalyst filling member 15 is positioned above the hydrogen peroxide solution layer and is not in contact with the hydrogen peroxide solution layer, when oxygen production is needed, the rotating handle 16 is rotated to drive the rotating shaft and the rotating wheel 13 on the rotating shaft to rotate, the rotating wheel 13 unwinds the pull rope 14, so that the catalyst filling member 15 is placed in the hydrogen peroxide solution, and the catalyst on the catalyst filling member 15 promotes the decomposition of hydrogen peroxide to generate oxygen.
Most of the existing portable oxygenerators are disposable, and the oxygen generation reaction is difficult to stop until the oxygen generation reaction is completed. In the utility model, when the oxygen production amount meets the requirement, the rotary handle 16 can be reversely rotated to pull the catalyst loading piece 15 to move upwards, the catalyst loading piece 15 is separated from the hydrogen peroxide solution, and the hydrogen peroxide can stop decomposing, namely the oxygen production is stopped. Therefore, the oxygen production process can be interrupted, oxygen can be produced for a plurality of times, and the use is more flexible.
The catalyst loading member 15 is a catalyst bag or a catalyst carbon paper. The catalyst bag, i.e. the bag containing the catalyst, may be made of various materials into which hydrogen peroxide can enter, such as a filter membrane, etc. The catalyst carbon paper is formed by sticking catalyst powder to carbon paper through Nafion (copolymer of polytetrafluoroethylene and perfluoro-3, 6-diepoxy-4-methyl-7-decene-sulfuric acid), and the powder can not fall off when the catalyst carbon paper is contacted with hydrogen peroxide solution.
A rubber stopper 17 is arranged in the upper port of the oxygen generating container 1, and the exhaust pipe 12 penetrates through the rubber stopper 17. The rubber stopper 17 seals the upper port of the oxygen generating vessel 1 to prevent air leakage.
The polytetrafluoroethylene air-permeable and hydrophobic membrane 18 at the inlet of the exhaust pipe 12 can pass through the polytetrafluoroethylene air-permeable and hydrophobic membrane 18, but can not pass through water, so that the hydrogen peroxide solution can be blocked from passing through, the filtering effect is achieved, and pure oxygen can be obtained.
Example IV
The portable oxygen generating device of this embodiment, as shown in fig. 4, includes an oxygen generating container 1, a first medicine layer 11 is provided at the bottom of the inner cavity of the oxygen generating container 1, a second medicine input mechanism is provided above the first medicine layer 11, an exhaust pipe 12 is provided at the top of the oxygen generating container 1, the exhaust pipe 12 is connected with a flexible oxygen bag 2, an oxygen supply pipe 21 is provided on the oxygen bag 2, and a flow control pulley 22 is provided on the oxygen supply pipe 21;
the first medicine layer 11 is a catalyst powder layer, and the second medicine input mechanism is a unidirectional liquid injection channel 19 arranged in the upper port of the oxygen generating container 1. In use, the hydrogen peroxide solution is injected into the oxygen generating container 1 through the unidirectional liquid injection channel 19, and oxygen can be quickly generated after the hydrogen peroxide solution contacts with the catalyst powder layer. The unidirectional liquid injection passage 19 is similar to a unidirectional valve in structure, and can only inject liquid into the oxygen generating container 1 from outside, and gas or liquid in the oxygen generating container 1 cannot be discharged from the unidirectional liquid injection passage 19. A syringe may be used to inject the hydrogen oxide solution into the unidirectional liquid injection channel 19.
The hydrogen peroxide purifying mechanism is a polytetrafluoroethylene air-permeable hydrophobic membrane 18 arranged at the inlet of the exhaust pipe 12, and the polytetrafluoroethylene air-permeable hydrophobic membrane 18 filters oxygen to improve the oxygen purity.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a portable oxygen generating device, includes oxygen generating container (1), the bottom of oxygen generating container (1) inner chamber is provided with first medicine layer (11), the top of first medicine layer (11) is provided with second medicine input mechanism, the top of oxygen generating container (1) is provided with blast pipe (12), its characterized in that:
the exhaust pipe (12) is connected with a flexible oxygen bag (2), an oxygen supply pipe (21) is arranged on the oxygen bag (2), and a flow control pulley (22) is arranged on the oxygen supply pipe (21);
the oxygen generating container (1) or the oxygen supply pipe (21) is provided with a hydrogen peroxide purifying mechanism.
2. The portable oxygen generating apparatus of claim 1, wherein: the first medicine layer (11) is a hydrogen peroxide solution layer, the second medicine input mechanism comprises a rotating wheel (13), the rotating wheel (13) is arranged in the oxygen production container (1) through a rotating shaft, a pull rope (14) is wound on the rotating wheel (13), a catalyst filling piece (15) is arranged at the end part of the pull rope (14), and one end of the rotating shaft extends out of the side wall of the oxygen production container (1) and is provided with a rotating handle (16).
3. The portable oxygen generating apparatus of claim 2, wherein: the catalyst loading piece (15) is a catalyst bag or a catalyst carbon paper.
4. The portable oxygen generating apparatus of claim 1, wherein: a rubber plug (17) is arranged in the upper port of the oxygen generating container (1), and the exhaust pipe (12) penetrates through the rubber plug (17).
5. The portable oxygen generating apparatus of claim 1, wherein: the first medicine layer (11) is a catalyst powder layer, and the second medicine input mechanism is a unidirectional liquid injection channel (19) arranged in the upper port of the oxygen generating container (1).
6. The portable oxygen generating apparatus of claim 1, 2, 3, 4 or 5, wherein: the hydrogen peroxide purifying mechanism comprises an oxygen bottle (3), a pure water layer (31) is arranged in the oxygen bottle (3), an air inlet pipe (32) is arranged at the top of the oxygen bottle (3), the air outlet pipe (12) comprises a first air outlet pipe and a second air outlet pipe, one end of the first air outlet pipe is connected with the oxygen production container (1), the other end of the first air outlet pipe is connected with the upper end of the air inlet pipe (32), and the lower end of the air inlet pipe (32) stretches into the pure water layer (31); one end of the second exhaust pipe is connected with the upper part of the oxygen bottle (3), and the other end of the second exhaust pipe is connected with the oxygen bag (2).
7. The portable oxygen generating apparatus of claim 6, wherein: the air inlet pipe (32) is provided with a flowmeter (33), a pressure gauge (34) and a pressure reducing valve (35).
8. The portable oxygen generating apparatus of claim 1, 2, 3, 4 or 5, wherein: the hydrogen peroxide purifying mechanism is a polytetrafluoroethylene breathable hydrophobic membrane (18) arranged at the inlet of the exhaust pipe (12).
CN202320309680.XU 2023-02-24 2023-02-24 Portable oxygen generating device Active CN219156513U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320309680.XU CN219156513U (en) 2023-02-24 2023-02-24 Portable oxygen generating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320309680.XU CN219156513U (en) 2023-02-24 2023-02-24 Portable oxygen generating device

Publications (1)

Publication Number Publication Date
CN219156513U true CN219156513U (en) 2023-06-09

Family

ID=86638278

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320309680.XU Active CN219156513U (en) 2023-02-24 2023-02-24 Portable oxygen generating device

Country Status (1)

Country Link
CN (1) CN219156513U (en)

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