CN111514480A - Full-closed breathing system for long-time use of manned submersible passengers - Google Patents
Full-closed breathing system for long-time use of manned submersible passengers Download PDFInfo
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- CN111514480A CN111514480A CN202010372188.8A CN202010372188A CN111514480A CN 111514480 A CN111514480 A CN 111514480A CN 202010372188 A CN202010372188 A CN 202010372188A CN 111514480 A CN111514480 A CN 111514480A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/02—Respiratory apparatus with compressed oxygen or air
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/02—Valves
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Abstract
A full-closed breathing system for long-time use of passengers of a manned submersible comprises an oxygen source, a first filter and a first pressure reducer, wherein the output end of the first pressure reducer is connected with a plurality of gas conveying hoses; still include the air source, the second filter, the second pressure reducer, still including the carbon dioxide absorption tank that is cask form, its central point puts and opens and has link up the groove, link up the inslot installation busbar of breathing in, carbon dioxide absorption tank's internally arranged has the carbon dioxide absorbent, tank bottoms portion and breathing airbag sealing connection, carbon dioxide absorption tank's up end still is provided with a plurality of expiration corrugated pipe joints, the one end of the busbar of breathing in is provided with a plurality of hose couplings, every hose coupling and gas delivery hose connection, the other end of the busbar of breathing in is provided with a plurality of corrugated pipe joints of breathing in, every bellows joint connection bellows of breathing in, a set of bellows and the full face guard of breathing in bellows connection of breathing in. The work is reliable.
Description
Technical Field
The invention relates to the technical field of manned submersible safety systems, in particular to a fully-closed breathing system for long-time use of passengers of a manned submersible.
Background
The manned submersible is an important device for efficient exploration, scientific investigation, development operation, military detection and operation platforms.
When the manned submersible operates underwater, the manned cabin is a closed space, completely isolates the external environment from passengers in the cabin, and keeps the interior of the manned cabin to be a normal atmospheric environment so as to ensure the personal safety of the passengers in the cabin. However, if the danger such as electronic component short circuit fire or poisonous and harmful gas occurs in the manned cabin, the atmosphere environment in the manned cabin is polluted and is not suitable for the passengers to carry out normal open breathing, under the circumstance, the submersible provides a set of full-closed breathing system which is completely isolated from the atmosphere environment in the manned cabin for the passengers, provides oxygen necessary for survival for the passengers and removes carbon dioxide exhaled by the passengers, thereby ensuring the personal safety of the passengers.
In the prior art, the adopted closed breathing device is a breathing device which is used by a single person in an open space for a short time, such as a fire scene self-rescuer, a mine scene self-rescuer and other devices, the workplace, the working principle, the working mode and the use condition of the device are different from the condition of a manned submersible, and the use requirement of the manned submersible cannot be met.
Disclosure of Invention
The applicant aims at the defects in the prior art and provides a fully-closed breathing system for long-time use of passengers of a manned submersible vehicle, so that the use requirement is met, the structure is simple, the volume is compact, the support time is long, the breathing system can be used by multiple persons at the same time, and the reliability is high.
The technical scheme adopted by the invention is as follows:
a full-closed breathing system for long-time use of passengers of a manned submersible comprises an oxygen source, wherein the oxygen source is connected with a first filter through a first pipeline, the output end of the first filter is connected with a first pressure reducer through a second pipeline, a first oxygen supply valve and a second oxygen supply valve are connected to the second pipeline in series, a first pressure gauge is installed on the second pipeline between the first oxygen supply valve and the second oxygen supply valve, and the output end of the first pressure reducer is connected with a plurality of gas conveying hoses;
the air source is connected with a second filter through a third pipeline, the output end of the second filter is connected with a second pressure reducer through a fourth pipeline, a second pressure gauge is installed on the fourth pipeline, and the output end of the second pressure reducer is connected with a gas conveying hose;
the breathing air bag is characterized by further comprising a cylindrical carbon dioxide absorption tank, a through groove is formed in the center of the upper end face of the carbon dioxide absorption tank, an air suction busbar is installed in the through groove, a carbon dioxide absorbent is arranged in the carbon dioxide absorption tank, a mesh plate is fixed on the lower bottom face of the carbon dioxide absorption tank and is in sealing connection with the breathing air bag, a plurality of breathing corrugated pipe joints are further arranged on the upper end face of the carbon dioxide absorption tank,
the one end of the busbar of breathing in is provided with a plurality of hose nipple, and every hose nipple is connected with gas delivery hose, and the other end of the busbar of breathing in is provided with a plurality of corrugated pipe joints of breathing in, and every corrugated pipe joint of breathing in connects the bellows of breathing in, and every corrugated pipe joint of breathing out connects the bellows of breathing out, and a set of corrugated pipe of breathing in and the bellows of breathing out connect a full face guard.
The further technical scheme is as follows:
the four hose connectors are sequentially arranged from top to bottom, the four hose connectors are respectively connected with a first gas conveying hose, a second gas conveying hose, a third gas conveying hose and a fourth gas conveying hose from top to bottom, the first gas conveying hose, the second gas conveying hose and the third gas conveying hose are all connected to a first pressure reducer, a membrane type differential pressure oxygen supplementing valve is installed on the first gas conveying hose, a quantitative oxygen supplying valve is installed on the second gas conveying hose, and a button type manual oxygen supplementing valve is installed on the third gas conveying hose; the fourth gas conveying hose is connected to a second pressure reducer, and a push-button type manual air compensating valve is mounted on the fourth gas conveying hose.
The three air suction corrugated pipe joints are sequentially arranged from top to bottom and are respectively provided with a first air suction corrugated pipe, a second air suction corrugated pipe and a third air suction corrugated pipe; expiration bellows joint is provided with threely, turns right from a left side and arranges in proper order, and three expiration bellows joint installs first expiration bellows, second expiration bellows and third expiration bellows respectively, and first bellows and the first full face guard of connecting simultaneously of exhaling of inhaling, the second is breathed in bellows and second and is breathed in the bellows and connect the second full face guard simultaneously, and the third is breathed in bellows and third and is breathed in the bellows and connect the third full face guard simultaneously.
The air suction busbar is of a cylindrical tubular structure with one end open and the other end closed, the open end penetrates through the carbon dioxide absorption tank and then enters the air suction bag, and the closed end is higher than the top surface of the carbon dioxide absorption tank.
The safety rope is further installed in the breathing air bag, one end of the safety rope is fixed to the lower end face of the carbon dioxide absorption tank, and the other end of the safety rope is connected with the rope-controlled safety valve installed at the bottommost end of the breathing air bag.
The oxygen source and the air source are both high-pressure gas cylinders.
An air suction one-way valve and an air expiration one-way valve are arranged in the whole mask and are respectively connected with an air suction corrugated pipe and an air expiration corrugated pipe.
The invention has the following beneficial effects:
the invention has compact and reasonable structure and convenient operation, can realize strong realizability through the matching work between each pipeline and the gas processing component, can breathe in a fully-closed manner, can not generate substance exchange with the external environment, and has high safety; the protective film can be used by multiple people at the same time and has strong protection; the support time is long, the long-time closed breathing can be realized, and the use test of three persons for three hours in the closed environment is realized in the actual test.
The invention has high working reliability, and the reliability of the device is greatly improved through mutual redundancy of three oxygen supply modes; the universality is good, and the device can be applied to different manned submersible vehicles only by adjusting the quantity of the gas cylinders and the carbon dioxide absorbent.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a source of oxygen; 2. a first pipeline; 3. a first filter; 4. a first oxygen supply valve; 5. a first pressure gauge; 6. a second pipeline; 7. a second oxygen supply valve; 8. a first pressure reducer; 9. a first gas delivery hose; 10. a diaphragm type differential pressure oxygen supplementing valve; 11. a quantitative oxygen supply valve; 12. a hose connector; 13. a second gas delivery hose; 14. a suction bellows joint; 15. a third gas delivery hose; 16. a fourth gas delivery hose; 17. a first air-intake bellows; 18. a second suction bellows; 19. a third suction bellows; 20. a first expiratory bellows; 21. a second expiratory bellows; 22. a third expiratory bellows; 23. an expiratory bellows joint; 24. a first full face mask; 25. a second full facepiece; 26. a third full face mask; 27. a carbon dioxide absorption tank; 28. an intake manifold; 29. a carbon dioxide absorbent; 30. a breathing air bag; 31. a safety cord; 32. a rope-controlled safety valve; 33. a push-button manual oxygen supplementing valve; 34. a button type manual air supply valve; 35. a second pressure reducer; 36. a second pressure gauge; 37. a fourth pipeline; 38. a second filter; 39. a third pipeline; 40. an air source.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the fully-closed breathing system for the manned submersible vehicle passenger to use for a long time in the present embodiment includes an oxygen source 1, the oxygen source 1 is connected to a first filter 3 through a first pipeline 2, an output end of the first filter 3 is connected to a first pressure reducer 8 through a second pipeline 6, the second pipeline 6 is connected in series to a first oxygen supply valve 4 and a second oxygen supply valve 7, a first pressure gauge 5 is installed on the second pipeline 6 between the first oxygen supply valve 4 and the second oxygen supply valve 7, and an output end of the first pressure reducer 8 is connected to a plurality of gas delivery hoses;
the air source 40 is connected with a second filter 38 through a third pipeline 39, the output end of the second filter 38 is connected with a second pressure reducer 35 through a fourth pipeline 37, a second pressure gauge 36 is installed on the fourth pipeline 37, and the output end of the second pressure reducer 35 is connected with an air conveying hose;
also comprises a cylindrical carbon dioxide absorption tank 27, a through groove is arranged at the center of the upper end surface of the carbon dioxide absorption tank 27, an air suction bus bar 28 is arranged in the through groove, a carbon dioxide absorbent 29 is arranged in the carbon dioxide absorption tank 27, a mesh plate is fixed at the lower bottom surface of the carbon dioxide absorption tank 27 and is hermetically connected with a breathing air bag 30, a plurality of breathing corrugated pipe joints 23 are arranged at the upper end surface of the carbon dioxide absorption tank 27,
one end of the air suction manifold 28 is provided with a plurality of hose connectors 12, each hose connector 12 is connected with a gas delivery hose, the other end of the air suction manifold 28 is provided with a plurality of air suction corrugated pipe connectors 14, each air suction corrugated pipe connector 14 is connected with an air suction corrugated pipe, each air expiration corrugated pipe connector 23 is connected with an air expiration corrugated pipe, and a group of air suction corrugated pipes and air expiration corrugated pipes are connected with a full face mask.
The four hose connectors 12 are arranged in sequence from top to bottom, the four hose connectors 12 are respectively connected with a first gas conveying hose 9, a second gas conveying hose 13, a third gas conveying hose 15 and a fourth gas conveying hose 16 from top to bottom, the first gas conveying hose 9, the second gas conveying hose 13 and the third gas conveying hose 15 are all connected to a first pressure reducer 8, a diaphragm type differential pressure oxygen supply valve 10 is installed on the first gas conveying hose 9, a quantitative oxygen supply valve 11 is installed on the second gas conveying hose 13, and a button type manual oxygen supply valve 33 is installed on the third gas conveying hose 15; the fourth gas delivery hose 16 is connected to a second pressure reducer 35, and a push-button manual air supplement valve 34 is mounted on the fourth gas delivery hose 16.
The three suction corrugated pipe joints 14 are arranged in sequence from top to bottom, and the three suction corrugated pipe joints 14 are respectively provided with a first suction corrugated pipe 17, a second suction corrugated pipe 18 and a third suction corrugated pipe 19; the three expiration corrugated pipe joints 23 are arranged from left to right in sequence, the three expiration corrugated pipe joints 23 are respectively provided with a first expiration corrugated pipe 20, a second expiration corrugated pipe 21 and a third expiration corrugated pipe 22, the first expiration corrugated pipe 17 and the first expiration corrugated pipe 20 are simultaneously connected with a first full face mask 24, the second inspiration corrugated pipe 18 and the second expiration corrugated pipe 21 are simultaneously connected with a second full face mask 25, and the third inspiration corrugated pipe 19 and the third expiration corrugated pipe 22 are simultaneously connected with a third full face mask 26.
The air suction bus bar 28 is a cylindrical tubular structure with one open end and one closed end, the open end penetrates through the carbon dioxide absorption tank 27 and then enters the air suction bag 30, and the closed end is higher than the top surface of the carbon dioxide absorption tank 27.
The safety rope 31 is further installed inside the breathing air bag 30, one end of the safety rope 31 is fixed on the lower end face of the carbon dioxide absorption tank 27, and the other end of the safety rope 31 is connected with the rope-controlled safety valve 32 installed at the bottommost end of the breathing air bag 30.
The oxygen source 1 and the air source 40 are both high pressure gas cylinders.
An air suction one-way valve and an air expiration one-way valve are arranged in the whole mask and are respectively connected with an air suction corrugated pipe and an air expiration corrugated pipe.
As shown in FIG. 1, a fully enclosed respiratory system for extended use by occupants of a manned submersible, primarily a respiratory system that allows three persons to use simultaneously for an extended period of time.
The attribution relation and the assembly relation of each part of the invention are as follows:
the device is divided into an oxygen pipeline, an air pipeline, a gas processing component and a corrugated pipe pipeline.
The oxygen line comprises: the oxygen supply device comprises an oxygen source 1, a first pipeline 2, a first filter 3, a first oxygen supply valve 4, a first pressure gauge 5, a second pipeline 6, a second oxygen supply valve 7, a first pressure reducer 8, a quantitative oxygen supply valve 11, a push-button manual oxygen supply valve 33, a diaphragm type differential pressure oxygen supply valve 10, a first gas conveying hose 9, a second gas conveying hose 13, a third gas conveying hose 15 and a hose joint 12.
The air pipeline includes: an air source 40, a third pipeline 39, a second filter 38, a fourth pipeline 37, a second pressure gauge 36, a second pressure reducer 35, a second button type manual air compensating valve 34 and a fourth air conveying hose 16.
The gas processing component includes: an air suction bus 28, a carbon dioxide absorption tank 27, a carbon dioxide absorbent 29, a breathing air bag 30, a safety rope 31 and a rope-controlled safety valve 32.
The bellows pipeline includes: an inspiratory bellows joint 14, an expiratory bellows joint 23, an expiratory bellows, an inspiratory bellows, a first full face mask 24, a second full face mask 25, and a third full face mask 26.
The oxygen and air lines are independent of each other, with their respective parts connected by lines that connect to the suction manifold 28 of the gas treatment unit through a gas delivery hose, hose connector 12.
The inspiration bus 28 of the gas processing component is connected with the bellows pipeline through the inspiration bellows joint 14 and the inspiration bellows, and the carbon dioxide absorption tank 27 in the gas processing component is connected with the expiration bellows through the expiration bellows joint 23.
In the gas processing component, the air suction manifold 28 is in a cylindrical tube shape with one open end and one closed end, the open end penetrates through the whole tank body and the carbon dioxide absorbent 29 in the whole tank body from the center of the carbon dioxide absorption tank 27 until the carbon dioxide absorbent enters a part of the length of the breathing air bag 30, the closed end is circumferentially provided with four hose connectors 12 and three air suction corrugated pipe connectors 14, and the mounting positions of the hose connectors 12 are lower than the air suction corrugated pipe connectors 14.
In the gas processing component, the carbon dioxide absorption tank 27 is a cylindrical container, the center of the upper end surface is provided with a hole for penetrating the air suction busbar 28 and is sealed at the penetrating position, the other circumference of the upper end surface is provided with three expiration corrugated pipe joints 23 and is sealed at the connecting position, the carbon dioxide absorption tank 27 is filled with carbon dioxide absorbent 29 packaged in a circular ring shape, and the lower end surface of the carbon dioxide absorption tank 27 is a mesh plate and is connected and sealed with the breathing air bag 30.
In the gas treatment unit, one end of a safety rope 31 is fixed to the lower end surface of the carbon dioxide absorption tank 27, and the other end is connected to a rope-operated safety valve 32 attached to the lowermost end of the airbag 30.
Further, the air source 40 and the oxygen source 1 are high-pressure gas cylinders, and the capacity is selected according to the use requirement of the submersible.
Further, the filter is a gas pipeline filter, and the filtering precision is selected according to the cleanliness requirement of the breathing gas.
Furthermore, the oxygen supply valve, the pressure gauge and the pressure reducer select specifications according to the use requirements of the submersible, the oxygen supply valve controls the on-off of the oxygen pipeline, the pressure gauge measures the pressure of the pipeline, and the pressure reducer reduces the pressure of the air source to the rated working pressure.
Further, the button-type manual oxygen supplementing valve 33 and the button-type manual air supplementing valve 34 are different from the common valve rotary opening mode, wherein the opening mode is that the button switch is pressed to open the valve, and the valve is closed after the button is released.
Furthermore, the quantitative oxygen supply valve 11 is designed to have a predetermined opening diameter according to the number of people carried in the vehicle, so that the amount of oxygen released per unit time is equal to the oxygen consumption per unit time of the total number of people in the cabin.
Further, a film, a lever and a valve core are arranged in the diaphragm type differential pressure oxygen supplementing valve 10, and the valve core and the lever are connected into a whole through a spring. The diaphragm measures the pressure difference between the inside and the outside of the breathing air bag 30, when the pressure in the air bag is lower than the pressure outside the air bag, the diaphragm deforms downwards, the lever is pressed to overcome the resistance of the spring to drive the valve core to move, the valve is started, and the decompressed oxygen is injected into the breathing air bag 30; when the internal pressure and the external pressure are balanced or the internal pressure is higher than the external pressure, the diaphragm deforms upwards, the spring drives the lever and the valve core to reset, and the valve element is not started.
Further, the gas delivery hose and hose joint 12 connects the push button type manual aeration valve 34, the push button type manual aeration valve 33, the constant oxygen supply valve 11, and the diaphragm type differential pressure aeration valve 10 to the suction manifold 28.
Further, the intake manifold 28 is a cylindrical tube open at one end and closed at the other end, with the open end extending from the center of the carbon dioxide absorber canister 27 through the entire canister and the absorbent within it, and into a portion of the length of the resuscitation bag 30. The closed end is circumferentially disposed of a hose connector 12 and a suction bellows connector 14. The hose connector 12 is mounted lower than the suction bellows connector.
Further, the carbon dioxide absorption tank 27 is a cylindrical container, the center of the upper end surface is provided with a hole for penetrating the air suction busbar 28 and is sealed at the penetrating position, the upper end surface is provided with three breathing corrugated pipe joints 23 at the periphery and is sealed at the connecting position, the tank is filled with carbon dioxide absorbent 29 packaged in a circular ring, and the lower end surface of the tank is a mesh plate and is connected and sealed with the breathing air bag 30.
Further, the breathing gas bag 30 is a flexible bag for recycling the breathing gas.
Further, one end of a safety rope 31 is fixed on the lower end face of the carbon dioxide absorption tank 27, the other end of the safety rope is connected with a rope-controlled safety valve 32, the length of the safety rope 31 is slightly smaller than the maximum length of the breathing air bag 30 when the breathing air bag 30 is fully expanded, and the rope-controlled safety valve 32 is installed at the bottommost end of the breathing air bag 30. When the breathing air bag 30 is completely expanded, the safety rope 31 is stretched straight, the rope-controlled safety valve 32 is opened, and partial gas in the air bag is discharged, so that the breathing air bag 30 is ensured not to be over-expanded to cause rupture.
Further, an exhalation bellows and an inhalation bellows integrally connect the whole mask to the inhalation bus 28 and the carbon dioxide absorption tank 27.
Furthermore, an inspiration one-way valve and an expiration one-way valve are arranged in the whole mask and are respectively connected with the inspiration corrugated pipe and the expiration corrugated pipe, so that gas is prevented from being mixed during inspiration and expiration.
Further, the combination of the oxygen source 1 and the air source 40 allows for simultaneous injection of air and oxygen into the resuscitation bag 30. The air is filled into the breathing air bag 30 to a half filling state by air, and then the injection of the air is closed, so that the oxygen concentration in the breathing air bag 30 is reduced, the medical problem that the breathing time is limited because a passenger only breathes pure oxygen is solved, the existence of nitrogen in the injected air is solved, and the requirement that a person needs larger air input when breathing is also met. The pure oxygen is taken as the breathing gas in the whole working process of the device, so that the oxygen consumption requirement of personnel in a totally-enclosed environment is met, and the problem of cabin environment pressure rise caused by the fact that nitrogen is not absorbed by human bodies when the air is used for breathing in the traditional working mode is solved.
Further, the diaphragm type differential pressure oxygen supply valve 10 automatically injects oxygen into the breathing air bag 30 when a user breathes, so that the workload of the user is reduced.
Further, the manual oxygen supply valve manually supplies oxygen into the respiration air bag 30 when the gas inside the respiration air bag 30 is reduced rapidly or the user feels that the respiration is hard.
Further, the quantitative oxygen supply valve 11 continuously supplies oxygen into the breathing air bag 30, so as to meet the minimum oxygen requirement of passengers.
Furthermore, three oxygen supplementing modes of the quantitative oxygen supply valve 11, the manual oxygen supplementing valve and the diaphragm type differential pressure oxygen supplementing valve 10 exist simultaneously, and are mutually redundant, so that the reliability of the whole device is greatly improved.
Further, the inhalation manifold 28 extends into the breathing bag 30 to facilitate the injection and mixing of air and oxygen within the bag and to reduce inhalation resistance for the user.
Furthermore, the exhalation bellows joint 23 is installed at the upper end of the carbon dioxide absorption tank 27, and the exhaled air is forced to flow through the carbon dioxide absorbent 29 and then enter the exhalation air bag 30 by means of the lung power of the user, which is beneficial to removing the carbon dioxide exhaled by the user and is beneficial to recycling the unconsumed oxygen in the exhaled air.
The working process of the invention is as follows:
the user opens the air source 40, the air flows through the second filter 38, the second pressure gauge 36 and the second pressure reducer 35, observes the reading of the second pressure gauge 36, presses the second button-type manual air supplement valve 34 within a specified pressure range, conveys the air to the air suction manifold 28 through the fourth air conveying hose 16, then injects the air into the breathing air bag 30, releases the second button-type manual air supplement valve 34 when the breathing air bag 30 is in a half-filling state, closes the air source 40, and terminates the air injection.
Opening the oxygen source 1 and the first oxygen supply valve 4, the oxygen passes through the first filter 3, the first pressure gauge 5, the reading of the first pressure gauge 5 is observed, and the second oxygen supply valve 7 is opened when the pressure of the oxygen is within a specified pressure range, and the oxygen passes through the first pressure reducer 8, the quantitative oxygen supply valve 11 and the second gas delivery hose 13 to the air suction bus 28, and continuously injecting the oxygen into the breathing air bag 30.
Then the user wears the full mask and starts full-closed breathing.
Along with the breathing of a user, when breathing in, the gas in the breathing air bag 30 flows through the air suction corrugated pipe joint 14, the air suction corrugated pipe and the whole mask under the lung power of the user and enters a human body, the breathing air bag 30 contracts, the diaphragm type differential pressure oxygen supplementing valve 10 automatically opens, oxygen is injected into the breathing air bag 30 through the first gas conveying hose 9, the hose joint 12 and the air suction busbar 28, when breathing out, the expired gas flows through the whole mask, the expiration corrugated pipe joint 23 and the carbon dioxide absorbent 29 and enters the breathing air bag 30, the breathing air bag 30 expands, and the diaphragm type differential pressure oxygen supplementing valve 10 closes.
If the user feels that the air volume is insufficient or the user breathes hard, the user can manually press the button-type manual oxygen supply valve 33 to inject oxygen into the breathing air bag 30 through the third air delivery hose 15, the hose connector 12 and the inspiration busbar 28, so as to meet the breathing requirement.
In the breathing process, if the breathing air bag 30 generates the over-expansion accident, the rope-controlled safety valve 32 is opened under the action of the safety rope 31, partial gas in the breathing air bag 30 is discharged, the air bag is protected, and then the safety valve is reset, and the full-sealing function of the device is recovered.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (7)
1. A fully-enclosed respiratory system for prolonged use by a passenger of a manned submersible vehicle, characterized by: the device comprises an oxygen source (1), wherein the oxygen source (1) is connected with a first filter (3) through a first pipeline (2), the output end of the first filter (3) is connected with a first pressure reducer (8) through a second pipeline (6), a first oxygen supply valve (4) and a second oxygen supply valve (7) are connected in series on the second pipeline (6), a first pressure gauge (5) is installed on the second pipeline (6) between the first oxygen supply valve (4) and the second oxygen supply valve (7), and the output end of the first pressure reducer (8) is connected with a plurality of gas conveying hoses;
the air source (40) is connected with a second filter (38) through a third pipeline (39), the output end of the second filter (38) is connected with a second pressure reducer (35) through a fourth pipeline (37), a second pressure gauge (36) is installed on the fourth pipeline (37), and the output end of the second pressure reducer (35) is connected with an air conveying hose;
still including being carbon dioxide absorption tank (27) of cask form, the up end central point of carbon dioxide absorption tank (27) puts and opens and has link up the groove, link up inslot installation busbar (28) of breathing in, carbon dioxide absorption tank's (27) inside has arranged carbon dioxide absorbent (29), the lower bottom surface of carbon dioxide absorption tank (27) is fixed with the mesh board, mesh board and breathing gas bag (30) sealing connection, the up end of carbon dioxide absorption tank (27) still is provided with a plurality of expiratory corrugated pipe joints (23), the one end of the busbar (28) of breathing in is provided with a plurality of hose nipple (12), every hose nipple (12) and gas delivery hose connection, and the other end of the busbar (28) of breathing in is provided with a plurality of corrugated pipe joints (14) of breathing in, and every corrugated pipe joint (14) of breathing in connects the bellows and breathes in, each exhalation corrugated pipe joint (23) is connected with an exhalation corrugated pipe, and a group of inhalation corrugated pipes and exhalation corrugated pipes are connected with a full face mask.
2. A fully enclosed breathing system for prolonged use by a human submersible occupant as recited in claim 1, wherein: the four hose connectors (12) are arranged in sequence from top to bottom, the four hose connectors (12) are respectively connected with a first gas conveying hose (9), a second gas conveying hose (13), a third gas conveying hose (15) and a fourth gas conveying hose (16) from top to bottom, the first gas conveying hose (9), the second gas conveying hose (13) and the third gas conveying hose (15) are all connected to a first pressure reducer (8), a diaphragm type differential pressure oxygen supply valve (10) is installed on the first gas conveying hose (9), a quantitative oxygen supply valve (11) is installed on the second gas conveying hose (13), and a button type manual oxygen supply valve (33) is installed on the third gas conveying hose (15); the fourth gas conveying hose (16) is connected to a second pressure reducer (35), and a push-button type manual air compensating valve (34) is installed on the fourth gas conveying hose (16).
3. A fully enclosed breathing system for prolonged use by a human submersible occupant as recited in claim 1, wherein: the three suction corrugated pipe joints (14) are arranged in sequence from top to bottom, and the three suction corrugated pipe joints (14) are respectively provided with a first suction corrugated pipe (17), a second suction corrugated pipe (18) and a third suction corrugated pipe (19); expiration bellows joint (23) are provided with threely, turn right from a left side and arrange in proper order, three expiration bellows joint (23), install first expiration bellows (20) respectively, second expiration bellows (21) and third expiration bellows (22), first full face guard (24) are connected simultaneously to first inspiration bellows (17) and first expiration bellows (20), bellows (18) are inhaled to the second and second expiration bellows (21) are connected second full face guard (25) simultaneously, third inspiration bellows (19) and third expiration bellows (22) are connected third full face guard (26) simultaneously.
4. A fully enclosed breathing system for prolonged use by a human submersible occupant as recited in claim 1, wherein: the air suction bus bar (28) is of a cylindrical tubular structure with one open end and one closed end, the open end penetrates through the carbon dioxide absorption tank (27) and then enters the air suction bag (30), and the closed end is higher than the top surface of the carbon dioxide absorption tank (27).
5. A fully enclosed breathing system for prolonged use by a human submersible occupant as recited in claim 1, wherein: the inside of the breathing air bag (30) is also provided with a safety rope (31), one end of the safety rope (31) is fixed on the lower end surface of the carbon dioxide absorption tank (27), and the other end of the safety rope (31) is connected with a rope-controlled safety valve (32) arranged at the bottommost end of the breathing air bag (30).
6. A fully enclosed breathing system for prolonged use by a human submersible occupant as recited in claim 1, wherein: the oxygen source (1) and the air source (40) are both high-pressure gas cylinders.
7. A fully enclosed breathing system for prolonged use by a human submersible occupant as recited in claim 1, wherein: an air suction one-way valve and an air expiration one-way valve are arranged in the whole mask and are respectively connected with an air suction corrugated pipe and an air expiration corrugated pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010372188.8A CN111514480A (en) | 2020-05-06 | 2020-05-06 | Full-closed breathing system for long-time use of manned submersible passengers |
| PCT/CN2021/086807 WO2021223578A1 (en) | 2020-05-06 | 2021-04-13 | Totally-closed breathing system for long-time use by manned submersible passengers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010372188.8A CN111514480A (en) | 2020-05-06 | 2020-05-06 | Full-closed breathing system for long-time use of manned submersible passengers |
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| Publication Number | Publication Date |
|---|---|
| CN111514480A true CN111514480A (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010372188.8A Pending CN111514480A (en) | 2020-05-06 | 2020-05-06 | Full-closed breathing system for long-time use of manned submersible passengers |
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| Country | Link |
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| CN (1) | CN111514480A (en) |
| WO (1) | WO2021223578A1 (en) |
Cited By (3)
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| CN113080934A (en) * | 2021-03-26 | 2021-07-09 | 中国人民解放军海军特色医学中心 | Real-time monitoring device for oxygen consumption and carbon dioxide production of underwater closed respirator |
| WO2021223578A1 (en) * | 2020-05-06 | 2021-11-11 | 中国船舶科学研究中心 | Totally-closed breathing system for long-time use by manned submersible passengers |
| CN115264391A (en) * | 2022-07-15 | 2022-11-01 | 中国船舶科学研究中心 | Gaseous oxygen system applied to deep sea manned platform |
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| CN108974281A (en) * | 2018-09-17 | 2018-12-11 | 陈荣刚 | A kind of emergency air storing type can breathe lifesaving appliance and its application method |
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| WO2021223578A1 (en) | 2021-11-11 |
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