CN109621241B - Self-generating oxygen supply device capable of pressurizing - Google Patents
Self-generating oxygen supply device capable of pressurizing Download PDFInfo
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- CN109621241B CN109621241B CN201811311144.3A CN201811311144A CN109621241B CN 109621241 B CN109621241 B CN 109621241B CN 201811311144 A CN201811311144 A CN 201811311144A CN 109621241 B CN109621241 B CN 109621241B
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- self
- dry ice
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B21/00—Devices for producing oxygen from chemical substances for respiratory apparatus
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/08—Respiratory apparatus containing chemicals producing oxygen
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/14—Respiratory apparatus for high-altitude aircraft
Abstract
The invention belongs to the technology of an airborne oxygen system, and particularly relates to a pressurizable self-generating oxygen supply device. The pressurizable self-generating oxygen supply device comprises a breathing monitor (1), a self-generating oxygen reactor (2), an electric control valve (3) and a dry ice heater (4). The self-generating reactor (2) is communicated with the dry ice heater (4), an electric control valve (3) is arranged between the self-generating reactor (2) and the dry ice heater, and the respiration monitor is respectively connected with a reaction air inlet channel and a reaction air outlet channel of the self-generating reactor (2) and respectively connected with the electric control valve (3) and the dry ice heater (4). The self-generating oxygen supply device provided by the invention has the functions of respiratory monitoring and oxygen supply regulation, and is added with the functions of anti-asphyxia and high-altitude pressurization and anti-load, can be applied to oxygen supply for aircraft crewmembers, and enables an aircraft oxygen system to be simpler, thereby having greater practical application value.
Description
Technical Field
The invention belongs to the technology of an airborne oxygen system, and particularly relates to a pressurizable self-generating oxygen supply device.
Background
At present, the self-oxygen generation device mainly comprises catalytic decomposition of sodium chlorate (commonly called oxygen candle) and reduction reaction of potassium superoxide (KO)2Autogenous oxygen generating device). The oxygen candle is mainly used for oxygen supply of passengers of an airliner, continuous pure oxygen supply is realized during working, the reaction process is uncontrollable, the oxygen supply requirement of aircraft crewmembers is not met, and oxygen source waste is easily caused. KO (Ko)2The self-oxygen generating device supplies oxygen for a lung type when working, namely expired carbon dioxide and water vapor enter the reactor to react with KO2 to generate oxygen for supplying oxygen for personnel. However, the conventional KO2 self-oxygen generation device is simple, does not have monitoring and adjusting functions, and cannot meet the functions of asphyxia prevention and high-altitude pressurization and load resistance, so that the device is mainly used for mines and ground individual soldiers.
The main modes of oxygen supply of the existing aircraft units are oxygen storage by oxygen cylinders and oxygen generation by airborne molecular sieves. The airborne molecular sieve oxygen generation is influenced by an airplane air entraining system, and the air oxygen system is complex and is restricted by the guarantee of a ground oxygen station and an oxygen charging vehicle.
Disclosure of Invention
The purpose of the invention is: the self-generating oxygen supply device which has a simple structure, has the functions of respiration monitoring and oxygen supply regulation, asphyxia prevention and high-altitude pressurization and load resistance and can effectively meet the oxygen supply requirement of the unit is provided.
The technical scheme of the invention is as follows: a pressurizable self-generating oxygen supply device comprises a breathing monitor 1, a self-generating reactor 2, an electric control valve 3 and a dry ice heater 4, wherein the self-generating reactor 2 is communicated with the dry ice heater 4, the electric control valve 3 is arranged between the self-generating reactor 2 and the dry ice heater 4, and the breathing monitor is respectively connected with a reaction air inlet channel and a reaction air outlet channel of the self-generating reactor and respectively connected with the electric control valve 3 and the dry ice heater 4.
A cavity for storing dry ice is arranged in the dry ice heater 4, the cavity is communicated with the self-generating reactor 2, and a heating device connected with a breathing monitor is arranged outside the cavity.
The cavity is also connected with a vent pipe provided with a pressure control valve 5.
The connecting parts of the self-generating reactor 2 and the dry ice heater 4 with the electric control valve are respectively positioned at the lower ends of the self-generating reactor and the dry ice heater.
The pipeline for ventilating carbon dioxide and water of the self-generating reactor is arranged at the lower end of the self-generating reactor.
The pipeline for oxygen aeration of the self-generating reactor is arranged at the upper end of the self-generating reactor.
The invention has the technical effects that: the self-generating oxygen device has the functions of respiration monitoring and oxygen supply regulation, asphyxia prevention and high-altitude pressurization anti-load, can meet the requirement of oxygen supply function of aircraft crew members, and makes an aircraft oxygen system simpler; the cross-linking of the oxygen system and other systems is reduced, so that the oxygen supply system is more independent; the guarantee constraint of a ground oxygen station and an oxygenation vehicle is eliminated, and the trouble of logistics guarantee is reduced; oxygen-free gas cylinder assemblies may also improve system safety and therefore represent a significant technological advance over conventional on-board oxygen supply technology.
Drawings
FIG. 1 is a schematic view of a pressurizable self-generating oxygen supply apparatus according to the present invention,
wherein, 1-a breathing monitor, 2-an autobiogenic reactor, 3-an electric control valve, 4-a dry ice heater and 5-a pressure control valve.
Detailed Description
The following further description is made with reference to the accompanying drawings and examples:
please refer to fig. 1, which is a schematic structural diagram of a pressurizable self-generated oxygen supply apparatus according to the present invention. The pressurizable self-generating oxygen supply device comprises a breathing monitor 1, a self-generating oxygen reactor 2, an electric control valve 3, a dry ice heater 4 and a control valve 5. The self-generating reactor 2 is communicated with the dry ice heater 4, and an electric control valve 3 is arranged between the self-generating reactor 2 and the dry ice heater for controlling the carbon dioxide of the dry ice heater 4 to enter the self-generating reactor 2. In addition, the connecting parts of the self-generating oxygen reactor 2 and the dry ice heater 4 with the electric control valve are respectively positioned at the lower ends of the self-generating oxygen reactor and the dry ice heater to improve the self-generating oxygen reaction effect. KO2 reactant or other oxygen-making reactant is arranged in the self-generating reactor, the lower end of the self-generating reactor is communicated with a reaction air inlet channel for inputting carbon dioxide and water generated by respiration, and the upper end of the self-generating reactor is communicated with a reaction air outlet channel for outputting oxygen.
A cavity for storing dry ice is arranged in the dry ice heater 4, the cavity is communicated with the self-generating reactor 2, and a heating device connected with a breathing monitor is arranged outside the cavity.
In addition, the respiration monitor is respectively connected with a reaction air inlet channel and a reaction air outlet channel of the self-generating reactor and is simultaneously connected with an electric control valve 3 and a dry ice heater 4. The respiration monitor 1 monitors the flow and oxygen concentration of gas entering and producing the autogenous reactor 2, so that when the gas supply of the reaction gas inlet channel is insufficient, the electric control valve 3 is opened, the dry ice heater is started, carbon dioxide is generated to supplement the autogenous reactor, the reaction is accelerated, and the oxygen supply is increased.
The pressure control valve 5 is arranged on a gas supply pipeline for pressurizing the anti-load clothes in the first dry ice heater cavity, and is automatically opened when the flying height is higher than a certain height, and carbon dioxide generated by the dry ice heater automatically pressurizes the anti-load clothes.
In conclusion, the self-generating oxygen supply device has the functions of respiration monitoring and adjusting, asphyxia prevention and high-altitude pressurization anti-load, and can meet the requirement of oxygen supply function of aircraft crew members. The oxygen system is applied to the aircraft oxygen system, so that the aircraft oxygen system is simpler and lighter; the cross-linking of the oxygen system and other systems is reduced, so that the oxygen supply system is more independent; the guarantee constraint of a ground oxygen station and an oxygenation vehicle is eliminated, and the trouble of logistics guarantee is reduced; oxygen-free gas cylinder assemblies may also improve system safety.
Claims (5)
1. A pressurizable self-generating oxygen supply device is characterized by comprising a breathing monitor (1), a self-generating oxygen reactor (2), an electric control valve (3) and a dry ice heater (4), wherein the self-generating oxygen reactor (2) is communicated with the dry ice heater (4), the electric control valve (3) is arranged between the self-generating oxygen reactor (2) and the dry ice heater, the breathing monitor is respectively connected with a reaction air inlet channel and a reaction air outlet channel of the self-generating oxygen reactor (2) and is respectively connected with the electric control valve (3) and the dry ice heater (4);
the pressurizable self-generating oxygen supply device is applied to an aircraft oxygen system;
the respiration monitor (1) monitors the flow and oxygen concentration of gas entering and producing the self-generating reactor (2), so that when the gas supply of the reaction gas inlet channel is insufficient, the electric control valve (3) is opened, the dry ice heater is started, carbon dioxide is generated to supplement the self-generating reactor, the reaction is accelerated, and oxygen supply is increased;
the dry ice heater cavity is also connected with a vent pipe provided with a pressure control valve (5); the pressure control valve (5) is arranged on a pipeline for pressurizing and supplying air to the anti-load clothes through the cavity of the dry ice heater, and is automatically opened when the flying height is larger than a certain height, and the carbon dioxide generated by the dry ice heater automatically pressurizes the anti-load clothes.
2. A pressurizable self-generating oxygen supply apparatus according to claim 1, wherein a chamber for storing dry ice is arranged in said dry ice heater (4), said chamber is in communication with the self-generating oxygen reactor (2), and a heating device connected to a respiration monitor is arranged outside said chamber.
3. A pressurizable authigenic oxygen supply device according to claim 1, wherein the authigenic reactor (2) and the dry ice heater (4) are connected to the electrically controlled valve (3) at their respective lower ends.
4. A pressurizable authigenic oxygen supply device according to claim 1, wherein the conduit for aeration of carbon dioxide and water of the authigenic reactor (2) is provided at its lower end.
5. A pressurizable authigenic oxygen supply device according to claim 1, wherein the conduit for oxygen aeration of the authigenic reactor (2) is provided at its upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311144.3A CN109621241B (en) | 2018-11-05 | 2018-11-05 | Self-generating oxygen supply device capable of pressurizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311144.3A CN109621241B (en) | 2018-11-05 | 2018-11-05 | Self-generating oxygen supply device capable of pressurizing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109621241A CN109621241A (en) | 2019-04-16 |
| CN109621241B true CN109621241B (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811311144.3A Active CN109621241B (en) | 2018-11-05 | 2018-11-05 | Self-generating oxygen supply device capable of pressurizing |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4126685C2 (en) * | 1991-08-13 | 1994-01-13 | Auergesellschaft Gmbh | Chemical cartridge for breathing apparatus |
| CN105473187A (en) * | 2013-07-10 | 2016-04-06 | Be航天公司 | Aircraft crew member protective breathing apparatus |
| CN104324459A (en) * | 2013-07-23 | 2015-02-04 | 西安大盛消防检测有限公司 | Positive-pressure firefighting air breather |
| CN205073547U (en) * | 2015-10-27 | 2016-03-09 | 温州医科大学 | Portable oxygen -uptaking device |
| CN106178306B (en) * | 2016-07-06 | 2021-10-29 | 惠阳太极新技术实业有限公司 | Automatic control respirator of many oxygen candles oxygen suppliment |
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2018
- 2018-11-05 CN CN201811311144.3A patent/CN109621241B/en active Active
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| CN109621241A (en) | 2019-04-16 |
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