CN206675839U - A kind of electronics breathing regulator applied to aircrew's oxygen supply on machine - Google Patents
A kind of electronics breathing regulator applied to aircrew's oxygen supply on machine Download PDFInfo
- Publication number
- CN206675839U CN206675839U CN201621480104.8U CN201621480104U CN206675839U CN 206675839 U CN206675839 U CN 206675839U CN 201621480104 U CN201621480104 U CN 201621480104U CN 206675839 U CN206675839 U CN 206675839U
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- CN
- China
- Prior art keywords
- oxygen
- pressure sensor
- valve
- hollow cavity
- air
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000001301 oxygen Substances 0.000 title claims abstract description 60
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 60
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 210000004072 lung Anatomy 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a kind of electronics breathing regulator applied to aircrew's oxygen supply on machine, by increasing driving nozzle in hollow cavity, air can be gone out by injection while oxygen supply, form oxygen and be filled with hollow cavity with air and mixed gas, the magnetic valve and proportioning valve of the present apparatus are controlled by control unit, so that in light weight, the small volume of the present apparatus, are easy to aircrew to carry, and reduce the burden of aircrew.
Description
Technical Field
The utility model belongs to aviation oxygen suppliment equipment field, concretely relates to be applied to electronic breathing regulator of quick-witted air service personnel oxygen suppliment.
Background
Oxygen from the oxygen cylinder is decompressed through the pressure reducing valve and enters the breathing regulator, the breathing regulator senses that the user inhales to supply the regulated oxygen-containing gas in the cavity to the flight crew for use, and the concentration of the oxygen-containing gas is also regulated according to the current height.
The aviation mechanical breathing regulator is generally composed of a lung type mechanism and an oxygen concentration control mechanism. When the lung type mechanism is responsible for the air suction of the crew member, the oxygen is supplied to the mask, the oxygen supply is guaranteed, the oxygen concentration control mechanism controls the size of the air inlet amount, the air inlet amount is smaller when the height is higher, the oxygen concentration is higher, and therefore the oxygen concentration supplied by the breathing regulator is controlled to meet the requirements of a human body.
The lung mechanism is mounted in a hollow cavity, wherein one or both sides of the hollow cavity are made of deformable rubber films. The lung type mechanism is composed of a rubber film, a transmission lever, an oxygen inlet valve and the like. The deformation of the rubber film controls the opening of the oxygen inlet valve through a transmission lever, and the deformation of the rubber film directly controls the opening of the oxygen inlet valve. The oxygen delivery pipeline of face guard is connected to the cavity of breathing regulator, and when the user breathed through the face guard, the cavity formed the negative pressure promptly, and rubber film is inside sunken, opens the valve of advancing oxygen through the lever like this, and the inspiratory capacity is big more, and the negative pressure that the cavity formed is big more, advances oxygen valve aperture big more, advances oxygen volume more, can satisfy different users' oxygen consumption like this.
The oxygen concentration control mechanism is arranged beside the hollow cavity and is connected with the hollow cavity through a small hole for air inlet. The oxygen concentration control mechanism consists of a vacuum diaphragm box and an air inlet valve, wherein the vacuum diaphragm box can expand (become thick) and contract (become thin) along with the change of the external air pressure, and the size of the air inlet valve is adjusted by utilizing the characteristic of the vacuum diaphragm box.
The breathing regulator utilizes these two-part mechanisms to supply the flight crew with inspired gas of different oxygen concentrations to ensure that the flight crew does not experience hypoxia during flight. However, the regulator has the problems of multiple mechanisms, large volume, heavy weight, difficult maintenance and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the aforesaid not enough, provide an electronic respiration regulator who is applied to the oxygen suppliment of air service personnel on the aircraft, can make the oxygen suppliment concentration change along with the change of height.
In order to achieve the purpose, the utility model comprises a hollow cavity, an oxygen inlet, an air inlet and a face mask interface are arranged on the hollow cavity, an injection nozzle is arranged in the hollow cavity, a nozzle of the injection nozzle is connected with the oxygen inlet, an air inlet of the injection nozzle is connected with the air inlet, a solenoid valve is arranged on the oxygen inlet, a proportional valve is arranged on the air inlet, a first pressure sensor is arranged in the hollow cavity, a second pressure sensor is arranged outside the hollow cavity, and the first pressure sensor, the second pressure sensor, the solenoid valve and the proportional valve are all connected with a control unit;
the control unit is used for acquiring the information of the first pressure sensor, controlling the flow of the electromagnetic valve, acquiring the information of the second pressure sensor and controlling the opening of the proportional valve.
The air inlet is provided with a one-way valve.
The electromagnetic valve and the proportional valve are powered by a 5V power supply.
When the pressure of the second pressure sensor is larger than or equal to 84kPa, the electromagnetic valve is normally closed, and the proportional valve is normally open;
when the pressure of the second pressure sensor is less than or equal to 47kPa, the electromagnetic valve is normally opened, and the proportional valve is normally closed.
Compared with the prior art, the utility model discloses a device can draw into the air through increase in the cavity and penetrate the nozzle in the oxygen suppliment, and the mist that forms oxygen and air fills into the cavity, and the solenoid valve and the proportional valve of this device all control through the control unit to make light in weight, small of this device, the crew of being convenient for carries, and reduced crew's burden.
Further, the utility model discloses be provided with check valve, when cavity internal pressure was greater than external pressure, avoided inside gas to flow backwards.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the middle injection nozzle of the present invention;
wherein, 1, a hollow cavity; 2. an oxygen inlet; 3. an air inlet; 4. a mask interface; 5. an injection nozzle; 6. an electromagnetic valve; 7. a proportional valve; 8. a first pressure sensor; 9. a second pressure sensor; 10. a one-way valve; 5-1, a nozzle; 5-2 and an air inlet.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 and 2, the utility model discloses a cavity 1, oxygen inlet 2, air inlet 3 and face guard interface 4 have been seted up on cavity 1, be provided with injection nozzle 5 in cavity 1, injection nozzle 5's nozzle 5-1 is connected oxygen inlet 2 and is drawn air inlet 5-2 of injection nozzle 5 and be connected air inlet 3, oxygen inlet 2 is provided with solenoid valve 6, air inlet 3 is provided with check valve 10 and proportional valve 7, be provided with first pressure sensor 8 in the cavity 1, cavity 1 is provided with second pressure sensor 9 outward, first pressure sensor 8, second pressure sensor 9, solenoid valve 6 and proportional valve 7 all connect the control unit, solenoid valve 6 and proportional valve 7 all adopt 5V power supply;
the control unit is used for acquiring information of the first pressure sensor 8, controlling the flow of the electromagnetic valve 6, acquiring information of the second pressure sensor 9 and controlling the opening of the proportional valve 7.
When the pressure of the second pressure sensor 9 is larger than or equal to 84kPa, the electromagnetic valve 6 is normally closed, and the proportional valve 7 is normally opened;
when the pressure of the second pressure sensor 9 is less than or equal to 47kPa, the electromagnetic valve 6 is normally open, and the proportional valve 7 is normally closed.
The utility model discloses an operating method, including following step:
step one, a first pressure sensor 8 collects a pressure value in a hollow cavity 1 in real time, and a second pressure sensor 9 collects a pressure value outside the hollow cavity 1 in real time;
step two, when the first pressure sensor 8 collects that the pressure in the hollow cavity 1 is increased, the second pressure sensor 9 collects the pressure value outside the hollow cavity 1, and the pressure value is compared with a threshold value, so that the opening time (or oxygen flow) of the electromagnetic valve 6 and the opening degree of the proportional valve 7 are calculated;
step three, the control unit controls the opening time of the electromagnetic valve 6 and the proportional valve 7 to be opened to the corresponding opening degree;
if the electromagnetic valve 6 and the proportional valve 7 are opened simultaneously, pure oxygen enters the nozzle 5-1 of the injection nozzle 5, air is injected from the air inlet 3, and mixed gas of the air and the pure oxygen enters the hollow cavity 1;
if the electromagnetic valve 6 is only opened, pure oxygen is filled in the hollow cavity 1;
if only the proportional valve 7 is opened, the hollow cavity 1 is filled with air;
and step five, after the pressure in the hollow cavity body 1 is reduced to a threshold value, the control unit controls the electromagnetic valve 6 and the proportional valve 7 to be closed.
In the second step, the calculation formula of the flow rate of the pure oxygen supplied from the inlet of the electromagnetic valve 6 is as follows:
wherein,qs is the amount of inhaled air through the mask, FIO2Is the oxygen concentration, FairIs the air concentration.
In the second step, the calculation formula of the air quantity injected by the proportional valve 7 is as follows:
Qair＝Qs-QO2
the opening of the solenoid valve 6 is controlled by the pressure in the hollow cavity 1 sensed by the port 8 of the first pressure sensor. The pressure of the first pressure sensor 8 in the early test is 245-295 kPa, when the pressure of the first pressure sensor 8 is less than or equal to 245kPa, the electromagnetic valve 6 of the oxygen inlet valve is opened, and oxygen enters the hollow cavity. When the first pressure sensor 8 is equal to or greater than 295kPa, the electromagnetic valve 6 of the oxygen intake shutter is closed.
A proportional valve 7 (normally open) is installed at the air inlet 3 to control the air entering the hollow cavity 1, and the opening of the proportional valve 7 is controlled by the external atmospheric pressure sensed by the port of the second pressure sensor 9. When the pressure of the second pressure sensor 9 in the early test is larger than or equal to 84kPa (smaller than 1500 meters), the proportional valve 7 is normally opened, air enters (is sucked into) the cavity when the hollow cavity 1 is under negative pressure, and the air is breathed by the crew members to be outside air. When the pressure of the second pressure sensor 9 is less than or equal to 47kPa (more than 5500 meters), the proportional valve 7 is fully closed, the hollow cavity 1 is completely filled with oxygen, and the flight crew member breathes pure oxygen. The amount of inlet air between 84kPa and 47kPa is controlled by the opening aperture of the proportional valve 7, which is determined based on the ambient atmospheric pressure measured by the second pressure sensor 9. The air is sucked through the injection nozzle 5 for oxygen, because the pressure at the front end of the oxygen inlet 2 is basically fixed, the negative pressure generated by the injection nozzle 5 at the one-way valve 10 for air is basically constant, and the air inlet quantity is basically determined by the caliber of the proportional valve 7 and the external air pressure.
The utility model discloses at the height below 1500 meters, the flight crew breathes be the air, when using highly to exceed 1500 meters, advances the proportional valve 7 of air and adjusts according to the external atmospheric pressure value of regulator, and along with the reduction of external atmospheric pressure value promptly, the bore of proportional valve progressively reduces, and the volume of intaking also reduces, breathes the gaseous oxygen concentration of regulator output and increases promptly. Thereby satisfying the oxygen supply method with the oxygen concentration increasing along with the height increasing.
The utility model discloses a method is through gathering first pressure sensor and second pressure sensor's information, through threshold value contrast and analysis, control the opening time of solenoid valve and the aperture of proportional valve, when second pressure sensor's pressure diminishes, also when external pressure step-down, the aperture of proportional valve progressively reduces, makes the oxygen concentration in the cavity progressively increase to when the realization is along with high rising, the oxygen concentration of oxygen supply regulator output increases, satisfies the required oxygen concentration of air crew.
Claims (4)
1. An electronic breathing regulator applied to oxygen supply of air service personnel on a machine is characterized by comprising a hollow cavity (1), an oxygen inlet (2), an air inlet (3) and a face mask interface (4) are formed in the hollow cavity (1), an injection nozzle (5) is arranged in the hollow cavity (1), a nozzle (5-1) of the injection nozzle (5) is connected with the air inlet (5-2) of the oxygen inlet (2) and the injection nozzle (5) and is connected with the air inlet (3), an electromagnetic valve (6) is arranged on the oxygen inlet (2), a proportional valve (7) is arranged on the air inlet (3), a first pressure sensor (8) is arranged in the hollow cavity (1), a second pressure sensor (9) and the first pressure sensor (8) are arranged outside the hollow cavity (1), the second pressure sensor (9), the electromagnetic valve (6) and the proportional valve (7) are all connected with the control unit;
the control unit is used for acquiring information of the first pressure sensor (8), controlling the flow of the electromagnetic valve (6), acquiring information of the second pressure sensor (9) and controlling the opening of the proportional valve (7).
2. Electronic breathing regulator for the oxygen supply of air personnel on board an aircraft according to claim 1, characterised in that the air inlet (3) is provided with a non-return valve (10).
3. The electronic breathing regulator for the oxygen supply of the aircrew personnel on board the machine according to claim 1, characterized in that the electromagnetic valve (6) and the proportional valve (7) are both powered by a 5V power supply.
4. The electronic breathing regulator for supplying oxygen to the aircrew personnel on board as claimed in claim 1, characterized in that when the pressure of the second pressure sensor (9) is greater than or equal to 84kPa, the solenoid valve (6) is normally closed, and the proportional valve (7) is normally open;
when the pressure of the second pressure sensor (9) is less than or equal to 47kPa, the electromagnetic valve (6) is normally opened, and the proportional valve (7) is normally closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480104.8U CN206675839U (en) | 2016-12-30 | 2016-12-30 | A kind of electronics breathing regulator applied to aircrew's oxygen supply on machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480104.8U CN206675839U (en) | 2016-12-30 | 2016-12-30 | A kind of electronics breathing regulator applied to aircrew's oxygen supply on machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206675839U true CN206675839U (en) | 2017-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621480104.8U Active CN206675839U (en) | 2016-12-30 | 2016-12-30 | A kind of electronics breathing regulator applied to aircrew's oxygen supply on machine |
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| CN (1) | CN206675839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106540382A (en) * | 2016-12-30 | 2017-03-29 | 中国人民解放军第四军医大学 | A kind of electronics breathing regulator and method for being applied to aircrew's oxygen supply on machine |
| CN114275164A (en) * | 2022-01-18 | 2022-04-05 | 中国兵器工业集团第二一四研究所苏州研发中心 | High-altitude continuous oxygen supply pressure regulation and control system and method |
-
2016
- 2016-12-30 CN CN201621480104.8U patent/CN206675839U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106540382A (en) * | 2016-12-30 | 2017-03-29 | 中国人民解放军第四军医大学 | A kind of electronics breathing regulator and method for being applied to aircrew's oxygen supply on machine |
| CN114275164A (en) * | 2022-01-18 | 2022-04-05 | 中国兵器工业集团第二一四研究所苏州研发中心 | High-altitude continuous oxygen supply pressure regulation and control system and method |
| CN114275164B (en) * | 2022-01-18 | 2023-10-20 | 中国兵器工业集团第二一四研究所苏州研发中心 | High-altitude continuous oxygen supply pressure regulation and control system and method |
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