CN110025901A - High altitude bailout oxygen regulator - Google Patents

High altitude bailout oxygen regulator Download PDF

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Publication number
CN110025901A
CN110025901A CN201910202523.7A CN201910202523A CN110025901A CN 110025901 A CN110025901 A CN 110025901A CN 201910202523 A CN201910202523 A CN 201910202523A CN 110025901 A CN110025901 A CN 110025901A
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CN
China
Prior art keywords
oxygen
air
valve
outlet
high altitude
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910202523.7A
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Chinese (zh)
Inventor
尹永利
高峰
王隆基
孙鹏
彭卓
李书灵
高彦鹏
刘仁豪
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China Astronaut Research and Training Center
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China Astronaut Research and Training Center
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by China Astronaut Research and Training Center filed Critical China Astronaut Research and Training Center
Priority to CN201910202523.7A priority Critical patent/CN110025901A/en
Publication of CN110025901A publication Critical patent/CN110025901A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00Component parts for respiratory or breathing apparatus
    • A62B9/02Valves
    • A62B9/022Breathing demand regulators

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

The present invention relates to a kind of high altitude bailout oxygen regulators, including valve body, the valve body be equipped with oxygen intake, oxygen adjusting cavity, air intake, air supply outlet, the connection air intake with the air chamber of air supply outlet, the oxygen air inlet gas circuit that be connected to oxygen intake and oxygen adjusting cavity, the oxygen outlet gas circuit for being connected to the oxygen adjusting cavity and air chamber;It is equipped with oxygen flow adjustment module in the oxygen adjusting cavity, is equipped with both air flow modulation module at the air intake;The oxygen regulator adjusts the gas flow and oxygen concentration of the air supply outlet by the oxygen flow adjustment module and both air flow modulation module.The present invention can change adjust automatically according to height above sea level and go out gas flow and oxygen concentration, improve oxygen utilization rate, meet the needs of height above sea level ten thousand metres and following height parachute jumping personnel are to oxygen.

Description

High altitude bailout oxygen regulator
Technical field
The present invention relates to a kind of oxygen regulator more particularly to a kind of high altitude bailout oxygen regulators.
Background technique
Oxygen regulator is a component of apparatus of oxygen supply used in high altitude bailout process.The oxygen of function admirable is adjusted Device can preferably improve the service efficiency of oxygen, mitigate the weight and system bulk for carrying oxygen.During high altitude bailout, Ensuring equipment is required in the case that weight is increasingly lighter, volume is smaller and smaller, oxygen supply problem is more and more prominent, this requires Oxygen carrying amount still ensures that the physiology of respiration safety of personnel in the case where reducing.It is existing in existing high altitude bailout oxygen supply Deficiency is: oxygen utilization low efficiency, it is desirable to provide a large amount of extra oxygen is used for personnel, oxygen supply equipment weight weight, and volume is big.
Summary of the invention
The object of the present invention is to provide a kind of high altitude bailout oxygen regulators, can change adjust automatically according to height above sea level Gas flow and oxygen concentration out improve oxygen utilization rate, meet height above sea level ten thousand metres and following height parachute jumping personnel to oxygen Demand.
The present invention provides a kind of high altitude bailout oxygen regulator, including valve body, the valve body is equipped with oxygen intake, oxygen Gas adjusting cavity, air supply outlet, the connection air intake and the air chamber of air supply outlet, is connected to the oxygen and enters air intake Mouthful with the oxygen air inlet gas circuit of oxygen adjusting cavity, it is connected to the oxygen outlet gas circuit of the oxygen adjusting cavity and air chamber;
It is equipped with oxygen flow adjustment module in the oxygen adjusting cavity, is equipped with both air flow modulation mould at the air intake Block;The oxygen regulator adjusts the air supply outlet by the oxygen flow adjustment module and both air flow modulation module Gas flow and oxygen concentration.
Further, it is equipped with inlet attack at the oxygen intake, is equipped with Inlet filter mesh in the inlet attack;It is described It is equipped with outlet connection at air supply outlet, is equipped with egress filtering net in the outlet connection.
Further, it is in flaring tubular structure that the outlet connection is located at the intracorporal one end inner hole of valve outward.
Further, the oxygen outlet gas circuit exit is equipped with an injector, and the injector is located at the air chamber Interior, the injector spout is opposite with the outlet connection flaring tubulose structure inlet.
Further, the oxygen tune of connection an oxygen air inlet gas circuit and oxygen outlet gas circuit is equipped in the oxygen adjusting cavity Save mouth;The oxygen flow adjustment module includes an oxygen supply valve for being used to open or closing the oxygen adjusting mouth, the confession Oxygen valve is pressed in oxygen adjusting mouth through oxygen shutter spring, and the oxygen supply valve is controlled automatically with for being changed according to ambient pressure The vacuum corrugated pipe indirect drive connection of system oxygen supply valve opening;The oxygen flow adjustment module further includes one and the oxygen supply The connection of valve indirect drive is returned between the gland and the valve body equipped with gland with controlling the gland for supplying oxygen valve opening Position spring.
Further, the oxygen adjusting cavity is divided into cavity of resorption, the open epicoele of sealing, the oxygen supply valve through diaphragm It is intracavitary under described, the intracavitary oxygen supply valve rod and sliding block being additionally provided with the oxygen supply valve transmission connection under described, it is described on It is intracavitary to be equipped with for the lower pressure of the vacuum corrugated pipe to be transmitted to the oxygen supply valve rod through the sliding block to push the confession Oxygen valve overcomes the elastic force of the oxygen shutter spring to open the valve push rod that the oxygen adjusts mouth.
Further, the vacuum corrugated pipe is connected to the valve body through ripple pipe bushing.
Further, an air conditioning mouth is equipped in the air chamber;The both air flow modulation module is used for including one The air register of air conditioning mouth is opened or closed, air register and one is for making the air conditioning mouth maintain normally open Air register spring is connected, and the air register automatically controls air register aperture with for changing according to ambient pressure automatically Aneroid capsule transmission connection.
Further, the aneroid capsule is loaded on the valve body through bellows bushing.
Further, it is equipped between air conditioning mouth and the injector for controlling maximum stream flow in the air chamber Restriction.
According to the above aspect of the present invention, by high altitude bailout oxygen regulator adjust automatically outlet can be changed according to height above sea level Body flow and oxygen concentration improve oxygen utilization rate, meet height above sea level ten thousand metres and following height parachute jumping personnel to the need of oxygen It asks.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is appearance diagram of the invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is structural schematic diagram of the invention;
Fig. 4 is gas circuit of the present invention and module diagram;
Fig. 5 is oxygen intake modules A schematic diagram of the present invention;
Fig. 6 is the A-A cross-sectional view of Fig. 5;
Fig. 7 is oxygen flow adjustment module B structure schematic diagram of the present invention;
Fig. 8 is both air flow modulation module C-structure schematic diagram of the present invention;
Fig. 9 is air supply outlet module D structural schematic diagram of the present invention;
Figure 10 is the B-B cross-sectional view of Fig. 9.
Figure label:
A- oxygen intake module;B- oxygen flow adjustment module;C- both air flow modulation module;D- air supply outlet module;
1- inlet attack;2- Inlet filter mesh fastening screw;3- Inlet filter mesh;4- valve body;5- ripple pipe bushing;6- pressure Lid;7- gland return spring;8- gland fixture nut;9- vacuum corrugated pipe;10- oppresses valve push rod;11- sliding block;12- film Piece;13- locking lid;14- aneroid capsule;15- air fixture nut;16- air conservation lid;17- bellows bushing;The outlet 18- connects Head;19- egress filtering net fastening screw;20- egress filtering net;21- air bottom cover;22- air register seat;23- injector; 24- air register;25- air register spring;26- oxygen bottom cover;27- oxygen shutter spring;28- supplies oxygen valve;29- oxygen supply is lived Gate seat;30- supplies oxygen valve rod;31- guide sleeve;32- gland bar;33- oxygen air inlet gas circuit;34- air conditioning mouth;35- restriction; 36- trunnion;37- air chamber;38- oxygen adjusts mouth.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below Example is not intended to limit the scope of the invention for illustrating the present invention.
Join shown in Fig. 1 to Figure 10, present embodiments provides a kind of high altitude bailout oxygen regulator, including valve body 4, valve body 4 Be equipped with oxygen intake, oxygen adjusting cavity, air intake, air supply outlet, connection air intake and air supply outlet air chamber 37, Be connected to oxygen intake with the oxygen air inlet gas circuit 33 of oxygen adjusting cavity, be connected to the oxygen outlet gas of oxygen adjusting cavity and air chamber Road;It is equipped with oxygen flow adjustment module B in oxygen adjusting cavity, is equipped with both air flow modulation module C at air intake;Oxygen is adjusted Device adjusts the gas flow and oxygen concentration of air supply outlet by oxygen flow adjustment module B and both air flow modulation module C.
In the present embodiment, it is equipped with inlet attack 1 at oxygen intake, is equipped with Inlet filter mesh 3 in inlet attack 1;Gas supply Exit is equipped with outlet connection 18, is equipped with egress filtering net 20 in outlet connection 18.
In the present embodiment, it is in diffuser (Laval nozzle) that outlet connection 18 is located at one end inner hole in valve body 4 outward Shape structure.
In the present embodiment, oxygen outlet gas circuit exit is equipped with an injector 23, and injector 23 is located in air chamber 37, 23 spout of injector is opposite with 18 flaring tubulose structure inlet of outlet connection.
In the present embodiment, the oxygen tune of connection an oxygen air inlet gas circuit and oxygen outlet gas circuit is equipped in oxygen adjusting cavity Save mouth 38;Oxygen flow adjustment module B includes an oxygen supply valve 28 for being used to open or closing the oxygen adjusting mouth 38, oxygen supply Valve 28 is pressed in oxygen through oxygen shutter spring 27 and adjusts mouth 38, supplies oxygen valve 28 and for automatic according to ambient pressure variation 9 indirect drive of the vacuum corrugated pipe connection of control oxygen supply 28 aperture of valve;Oxygen flow adjustment module B further includes one and oxygen supply work Door 28 indirect drives connection is equipped with gland return spring 7 to control the gland 6 for supplying oxygen 28 aperture of valve between gland 6 and valve body.
In the present embodiment, oxygen adjusting cavity is divided into cavity of resorption, the open epicoele of sealing through diaphragm 12, supplies oxygen valve 28 It is intracavitary under being located at, under it is intracavitary be additionally provided with oxygen supply valve 28 be sequentially connected oxygen supply valve rod 30 and sliding block 11, it is upper it is intracavitary be equipped with use Oxygen valve bullet is overcome with promotion oxygen supply valve 28 in the lower pressure of vacuum corrugated pipe 9 is transmitted to oxygen supply valve rod 30 through sliding block 11 The elastic force of spring 27 opens the valve push rod 10 that oxygen adjusts mouth 38.
In this embodiment, vacuum corrugated pipe 9 is connected to valve body 4 through ripple pipe bushing 5.
In the present embodiment, an air conditioning mouth 34 is equipped in air chamber;Both air flow modulation module C includes one for beating The air register 24 of air conditioning mouth is closed on or off, and air register 24 and one is for making air conditioning mouth 34 maintain normally open Air register spring 25 is connected, and air register 24 automatically controls 24 aperture of air register with for changing according to ambient pressure automatically Aneroid capsule 14 be sequentially connected.
In the present embodiment, aneroid capsule 14 is loaded on valve body 4 through bellows bushing 17.
In the present embodiment, it is equipped between air conditioning mouth 34 and injector 23 for controlling maximum stream flow in air chamber Restriction 35.
Oxygen regulator provided in this embodiment can go out throughput according to height above sea level variation adjust automatically and oxygen is dense The oxygen regulator of degree, by oxygen flow adjustment module B, both air flow modulation module C, oxygen intake modules A and air supply outlet Module D composition.The oxygen hose for the mask that the oxygen regulator is worn with parachutist is connected by fast plug device, outlet connection Two flanges block the quick connector of oxygen hose connecting pin;The oxygen supply gas cylinder carried with parachutist is connected by hose, is led to Inlet attack is crossed to be fastenedly connected with connection by metal hose end.
The oxygen regulator adjusts the gas stream in oxygen regulator exit by adjusting oxygen flow and air mass flow Amount and oxygen concentration.The variation that ambient pressure can be detected by vacuum corrugated pipe 9, automatically controls the aperture of oxygen supply valve 28, And then control oxygen flow.The variation that ambient pressure can be detected by aneroid capsule 14, automatically controls opening for air register 24 Degree, and then fed oxygen from air flow.Oxygen flow adjustment module can adjust mould in oxygen flow by gland 6 and gland bar 32 Block directly controls valve push rod when perhaps both air flow modulation module breaks down or when personnel need a large amount of oxygen uptakes suddenly 10 movements move to control oxygen supply valve 28, start atm number oxygen supply, meet the emergency oxygen demand of personnel.Oxygen is adjusted Device is used to be used in height above sea level ten thousand metres and following height, 2000 meters of height above sea level and it is following when for air, in 2000 meter Zhi Hai of height above sea level It pulls out and is utilized during parachute jumping well for mixing oxygen in 8000 meters of height above sea level or more the offering oxygen ways for pure oxygen between 8000 meters The pressure of air environment improves the utilization rate of oxygen, reduces the volume and weight of equipment, realize height above sea level ten thousand metres and with The parachute jumping of lower height.
Invention is further described in detail below.
As shown in Figures 1 to 4, oxygen regulator is by oxygen intake modules A, oxygen flow adjustment module B, air mass flow Adjustment module C and air supply outlet module D are mounted on valve body 4.
Oxygen enters intracavitary by oxygen intake modules A, and oxygen at this time is still in high pressure conditions, by oxygen flow The adjusting of adjustment module B enters in injector 23, the structure combination of the trunnion 36 on injector 23 and outlet connection 18 Under, oxygen will form Venturi effect when passing through trunnion 36, attract air to enter in air chamber 37 from air gas circuit, finally exist At outlet connection 18 and oxygen mix, the gas of certain flow and oxygen concentration is exported at air supply outlet module D, for parachutist The oxygen of member's physiological respiration demand, improves oxygen utilization rate, mitigates weight, reduces volume.
Oxygen flow adjustment module B is by ripple pipe bushing 5, gland 6, gland return spring 7, gland fixture nut 8, vacuum Bellows 9, valve push rod 10, gland bar 32, diaphragm 12, sliding block 11, locking lid 13, guide sleeve 31, oxygen supply valve rod 30, oxygen supply valve Seat 29, oxygen supply valve 28, oxygen shutter spring 27 and oxygen bottom cover 26 form.
Both air flow modulation module C by aneroid capsule 14, air fixture nut 15, air conservation lid 16, bellows bushing 17, Air register 24, air register spring 25, air register seat 22, injector 23 and air bottom cover 21 form.
The filtering accuracy of Inlet filter mesh 3 in oxygen intake modules A is the outlet greater than 30 μ, in air supply outlet module D The filtering accuracy of filter screen 20 is greater than 150 μ, and filtering can guarantee the cleaning of oxygen regulator output gas at two.
In oxygen regulator use process, if oxygen flow adjustment module B or both air flow modulation module C occurs When failure or personnel need a large amount of oxygen uptakes suddenly, the fortune of valve push rod 10 can be directly controlled by gland 6 and gland bar 32 It is dynamic, to control oxygen supply valve 28 and supply oxygen the aperture increase of valve base 29, starts atm number oxygen supply, meet the emergency of personnel Oxygen demand.
Valve body 4 is equipped with oxygen intake, oxygen adjusting cavity, air intake, air supply outlet, connection air intake and supplies out Mouthful air chamber 37, connection oxygen intake and the oxygen air inlet gas circuit 33 of oxygen adjusting cavity, be connected to oxygen adjusting cavity and air chamber Oxygen outlet gas circuit.Oxygen flow adjustment module B is equipped in oxygen adjusting cavity.Both air flow modulation mould is equipped at air intake Block C.Oxygen intake modules A passes through inlet attack 1 and the connection by metal hose that connect source of oxygen.Air supply outlet module D is by going out Two flanges of mouth connector 18 block the quick coupling at oxygen mask oxygen hose end, and realization is fastenedly connected.Oxygen flow is adjusted Module B is set as the oxygen supply valve 28 at 2000 meters of height above sea level and starts to open, at 8000 meters of height above sea level or more, oxygen supply valve 28 Aperture reaches maximum, and oxygen flow supply is maximum.It is empty when both air flow modulation module C is set in 8000 meters of height above sea level or less height Gas valve 24 is opened, and as height above sea level reduces, aperture increases, and under the action of injector 23, the air mass flow of introducing increases, still Under the action of restriction 35, the air maximum of introducing is certain.This ensures that the air supply outlet module D of oxygen regulator The gas oxygen concentration at place increases with the increase of height above sea level, at 8000 meters of height above sea level or more, at air supply outlet module D Gas be pure oxygen.
As shown in Figure 5, Figure 6, oxygen intake modules A is by inlet attack 1, Inlet filter mesh fastening screw 2 and ingress filtering Net 3 forms.
As shown in fig. 7, the oxygen for being equipped with a connection oxygen air inlet gas circuit and oxygen outlet gas circuit in oxygen adjusting cavity is adjusted Mouth 38;Oxygen flow adjustment module B includes an oxygen supply valve 28 for being used to open/closing oxygen adjusting mouth 38;Supply oxygen valve 28 Oxygen, which is pressed in, through oxygen shutter spring 27 adjusts mouth 38;Valve 28 is supplied oxygen to supply with for changing to automatically control according to ambient pressure 9 indirect drive of vacuum corrugated pipe of 28 aperture of oxygen valve connects;Further include one with oxygen supply 28 indirect drive of valve connect to control Supply oxygen the gland 6 of 28 aperture of valve;Gland return spring 7 is equipped between gland 6 and valve body.
Oxygen supply valve base 29 is pressed on valve body 4 by guide sleeve 31, and guide sleeve 31 is connected by screw thread and valve body 4.Supply oxygen valve rod 30 In guide sleeve 31, sliding block 11 is mounted on the top of oxygen supply valve rod 30, plays the role of the power for transmitting valve push rod 10, diaphragm 12 It is placed on valve body 4, diaphragm primarily serves sealing function, prevents the oxygen across guide sleeve 31 from revealing from 4 top of valve body.Valve push rod 10 are pressed on diaphragm 12, and locking lid 13 pushes down valve push rod 10, and locking lid 13 is threadedly secured on valve body 4, vacuum wave Line pipe 9 is threadedly secured on ripple pipe bushing 5, and ripple pipe bushing 5 is threadedly secured on valve body 4, guarantees vacuum wave Line pipe 9 and valve push rod 10 contact.Gland 6 is connected by gland fixture nut 8 with vacuum corrugated pipe 9, and gland return spring 7 is solid It is scheduled between gland 6 and ripple pipe bushing 5, plays the role of resetting gland 6.Oxygen bottom cover 26 is fixed by screws in valve body 4 On, it supplies oxygen valve 28 and is in contact under the compression of oxygen shutter spring 27 with oxygen supply valve base 29.
In work, when environment is in high-altitude, environmental pressure is lower than 1 atmospheric pressure, and vacuum corrugated pipe 9 expands, and presses Compel valve push rod 10 to move downward, valve push rod 10 is moved downward by diaphragm 12 and the compressing oxygen supply valve rod 30 of sliding block 11, is supplied oxygen The compressing oxygen supply valve base 29 of valve rod 30 moves downward, and the aperture for allowing for oxygen supply valve base 29 in this way and supplying oxygen between valve 28 increases Greatly, increase oxygen flow.When environmental pressure becomes smaller, vacuum corrugated pipe 9 is shunk, and 10 top of valve push rod loses pressure, is supplied oxygen Valve 28 moves upwards under the pressure of oxygen shutter spring 27, in this way the aperture between oxygen supply valve 28 and oxygen supply valve base 29 Reduce, reduces oxygen flow.
If at work, personnel need a large amount of oxygen supply, gland 6 can be pressed, gland 6 is straight by gland bar 32 Tape splicing moves valve push rod 10 and moves downward, and final control oxygen supply valve 28 and the aperture supplied oxygen between valve base 29 increase, largely Supply oxygen.
As shown in figure 8, being equipped with an air conditioning mouth 34 in air chamber;Both air flow modulation module C include one be used to open/ Close the air register 24 of air conditioning mouth;Air register 24 and one make air conditioning mouth maintain normally open air register bullet Spring 25 is connected;Air register 24 and the aneroid capsule for changing automatic automatic control 24 aperture of air register according to ambient pressure 14 transmission connections.
Injector 23 is by being threadably mounted on valve body 4, and bellows bushing 17 is threadedly secured on valve body 4, vacuum diaphragm Box 14 is fixed on bellows bushing 17 by air fixture nut 15, and air register 24 is threadedly secured to aneroid capsule 14 On, air register seat 22 is placed on valve body 4, is pushed down by air register spring 25, and air register spring 25 is mounted on air register Between seat 22 and air register 24, the restriction 35 on valve body 4 plays the role of controlling maximum stream flow, and air bottom cover 21 passes through spiral shell Nail is fixed on valve body 4.
In work, when height above sea level is got higher, and ambient pressure is lower, aneroid capsule 14 expands, and drives under air register 24 Drop, the aperture between such air register 24 and air register seat 22 become smaller, are become smaller by the air capacity that injector 23 introduces, work as sea When degree of lifting reaches 8000m, the length that aneroid capsule 14 expands presses air register 24 and air register seat 25 completely, empty Gas cannot be introduced into, and such oxygen regulator is just only for pure oxygen.When height above sea level reduces, when ambient pressure is got higher, aneroid capsule is received Contracting, the aperture between air register 24 and air register seat 25 increase, and air mass flow increases, but the limit by restriction 35 System, flow increase cannot continue to increase to a certain extent afterwards, this ensures that the oxygen concentration of oxygen regulator output gas is not Lower than a limit value.
As shown in Figure 9, Figure 10, air supply outlet module D by outlet connection 18, egress filtering net fastening screw 19 and goes out to make a slip of the tongue Strainer 20 forms.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and Modification, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of high altitude bailout oxygen regulator, which is characterized in that including valve body (4), the valve body (4) enters equipped with oxygen Mouth, the connection air intake and the air chamber (37) of air supply outlet, is connected to institute at oxygen adjusting cavity, air intake, air supply outlet State oxygen intake with the oxygen air inlet gas circuit (33) of oxygen adjusting cavity, be connected to the oxygen outlet of the oxygen adjusting cavity and air chamber Gas circuit;
It is equipped with oxygen flow adjustment module in the oxygen adjusting cavity, is equipped with both air flow modulation module at the air intake; The oxygen regulator adjusts the gas of the air supply outlet by the oxygen flow adjustment module and both air flow modulation module Body flow and oxygen concentration.
2. high altitude bailout oxygen regulator according to claim 1, which is characterized in that be equipped with entrance at the oxygen intake Connector (1), the inlet attack (1) is interior to be equipped with Inlet filter mesh (3);Outlet connection (18) are equipped at the air supply outlet, institute It states in outlet connection (18) and is equipped with egress filtering net (20).
3. high altitude bailout oxygen regulator according to claim 2, which is characterized in that the outlet connection (18) is located at valve One end inner hole in body (4) is in flaring tubular structure outward.
4. high altitude bailout oxygen regulator according to claim 3, which is characterized in that the oxygen outlet gas circuit exit Equipped with an injector (23), the injector (23) is located in the air chamber (37), injector (23) spout with it is described Outlet connection (18) flaring tubulose structure inlet is opposite.
5. high altitude bailout oxygen regulator according to claim 1, which is characterized in that be equipped with one in the oxygen adjusting cavity The oxygen for being connected to oxygen air inlet gas circuit and oxygen outlet gas circuit adjusts mouth (38);
The oxygen flow adjustment module includes an oxygen supply valve (28) for being used to open or closing oxygen adjusting mouth (38), The oxygen supply valve (28) through oxygen shutter spring (27) be pressed in oxygen adjust mouth (38), the oxygen supply valve (28) be used for Change vacuum corrugated pipe (9) the indirect drive connection for automatically controlling oxygen supply valve (28) aperture according to ambient pressure;
The oxygen flow adjustment module further includes one connecting with oxygen supply valve (28) indirect drive to control the oxygen supply The gland (6) of valve (28) aperture is equipped with gland return spring (7) between the gland (6) and the valve body.
6. high altitude bailout oxygen regulator according to claim 5, which is characterized in that the oxygen adjusting cavity is through diaphragm (12) be divided into cavity of resorption, the open epicoele of sealing, the oxygen supply valve (28) be located at it is described under it is intracavitary, it is intracavitary under described also to set There are an oxygen supply valve rod (30) and sliding block (11) with oxygen supply valve (28) transmission connection, it is described intracavitary to be equipped with for be described The lower pressure of vacuum corrugated pipe (9) is transmitted to the oxygen supply valve rod (30) through the sliding block (11) to push the oxygen supply valve (28) elastic force of the oxygen shutter spring (27) is overcome to open the valve push rod (10) that the oxygen adjusts mouth (38).
7. high altitude bailout oxygen regulator according to claim 5 or 6, which is characterized in that vacuum corrugated pipe (9) warp Ripple pipe bushing (5) is connected to the valve body (4).
8. high altitude bailout oxygen regulator according to any one of claims 1 to 7, which is characterized in that the air chamber (37) an air conditioning mouth (34) is equipped in;
The both air flow modulation module includes an air register (24) for being used to open or closing air conditioning mouth, the air Valve (24) is connected with an air register spring (25) for making the air conditioning mouth (34) maintain normally open, the sky Gas valve (24) is passed with for changing the automatic aneroid capsule (14) for automatically controlling air register (24) aperture according to ambient pressure Dynamic connection.
9. high altitude bailout oxygen regulator according to claim 8, which is characterized in that the aneroid capsule (14) is through bellows Bushing (17) is loaded on the valve body (4).
10. high altitude bailout oxygen regulator according to claim 8, which is characterized in that air conditioning in the air chamber The restriction (35) for controlling maximum stream flow is equipped between mouth (34) and the injector (23).
CN201910202523.7A 2019-03-18 2019-03-18 High altitude bailout oxygen regulator Pending CN110025901A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910202523.7A CN110025901A (en) 2019-03-18 2019-03-18 High altitude bailout oxygen regulator

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Application Number Priority Date Filing Date Title
CN201910202523.7A CN110025901A (en) 2019-03-18 2019-03-18 High altitude bailout oxygen regulator

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Publication Number Publication Date
CN110025901A true CN110025901A (en) 2019-07-19

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Application Number Title Priority Date Filing Date
CN201910202523.7A Pending CN110025901A (en) 2019-03-18 2019-03-18 High altitude bailout oxygen regulator

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113952564A (en) * 2021-09-10 2022-01-21 安徽砺剑防务科技有限公司 Closed loop oxygen suppliment respiratory

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107224684A (en) * 2016-04-14 2017-10-03 湖北航天化学技术研究所 high altitude bailout oxygen regulator
CN107224685A (en) * 2016-04-14 2017-10-03 湖北航天化学技术研究所 High altitude bailout apparatus of oxygen supply

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107224684A (en) * 2016-04-14 2017-10-03 湖北航天化学技术研究所 high altitude bailout oxygen regulator
CN107224685A (en) * 2016-04-14 2017-10-03 湖北航天化学技术研究所 High altitude bailout apparatus of oxygen supply

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113952564A (en) * 2021-09-10 2022-01-21 安徽砺剑防务科技有限公司 Closed loop oxygen suppliment respiratory

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Application publication date: 20190719

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