CN116039930A - Helicopter high-temperature air-entraining and oxygen-making control device and method - Google Patents
Helicopter high-temperature air-entraining and oxygen-making control device and method Download PDFInfo
- Publication number
- CN116039930A CN116039930A CN202211472785.3A CN202211472785A CN116039930A CN 116039930 A CN116039930 A CN 116039930A CN 202211472785 A CN202211472785 A CN 202211472785A CN 116039930 A CN116039930 A CN 116039930A
- Authority
- CN
- China
- Prior art keywords
- oxygen
- temperature
- air
- entraining
- pressure
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000001301 oxygen Substances 0.000 claims abstract description 156
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 156
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 155
- 230000005855 radiation Effects 0.000 claims abstract description 48
- 239000002808 molecular sieve Substances 0.000 claims abstract description 37
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 230000000246 remedial effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
- C01B13/0262—Physical processing only by adsorption on solids characterised by the adsorbent
- C01B13/0274—Other molecular sieve materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
- B64D2013/0603—Environmental Control Systems
- B64D2013/0681—Environmental Control Systems with oxygen control
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Aviation & Aerospace Engineering (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention provides a helicopter high-temperature air-entraining and oxygen-making control device and method. The air-entraining device comprises an engine air-entraining channel (14), wherein the outlet end of the engine air-entraining channel (14) is connected with the inlet end of a heat dissipation assembly (3), the outlet end of the heat dissipation assembly (3) is connected with the inlet of an oxygen-making host machine (7) through an air-entraining pipeline (10), and the outlet of the oxygen-making host machine (7) is connected with an oxygen supply mask (9) through an oxygen supply pipeline (11); the engine bleed air channel (14) is provided with a shutoff valve (2); the outlet of the heat radiation component (3) is respectively provided with a filter (5) and a temperature and pressure sensor (6); the shut-off valve (2) and the temperature and pressure sensor (6) are both connected with the oxygen generation controller (1) at the point. The invention can improve the reliability and safety of the molecular sieve oxygen supply system, and avoid high-temperature air from entering the oxygen-making host, damaging molecular sieve materials and scalding crews.
Description
Technical Field
The invention relates to the technical field of helicopter environmental control systems, in particular to a helicopter high-temperature air-entraining and oxygen-making control device and method.
Background
The molecular sieve oxygen supply device of the helicopter consists of an oxygen generation controller, a shut-off valve, a heat radiation component, a heat radiation fan, a filter, a temperature and pressure sensor, an oxygen generation host, an oxygen partial pressure sensor, an oxygen supply pipeline and the like. When the molecular sieve oxygen supply device works, the oxygen generation controller sends instructions to all components, the heat radiation fan, the shut-off valve and the oxygen generation host machine are started, the shut-off valve is opened to guide high-temperature and high-pressure air at the engine compressor to the heat radiation assembly, after heat radiation of the heat radiation fan, the air flows into the filter to remove water, dust and oil, and the treated low-temperature, clean and high-pressure air enters the oxygen generation host machine to generate oxygen. When the molecular sieve is used for preparing oxygen, high-temperature air of an engine is required to be introduced and is radiated through the radiating component, in view of the reliability of the radiating fan and the control component thereof, the radiating component still has the possibility of failure, the influence of the failure of the radiating fan is larger, firstly, the molecular sieve material in the oxygen-preparing host is sensitive to the high-temperature air, the adsorption performance of the molecular sieve material can be lost due to the high-temperature air which is not radiated, the oxygen-preparing concentration is reduced, and the oxygen lack risk exists for a crew member; secondly, the crew inhales the high temperature air that does not dispel the heat, has the risk of scalding.
Disclosure of Invention
The invention aims to provide a helicopter high-temperature air-entraining and oxygen-making control device and method. The invention can improve the reliability and safety of the molecular sieve oxygen supply system, and avoid high-temperature air from entering the oxygen-making host, damaging molecular sieve materials and scalding crews.
The technical scheme of the invention is as follows. The high-temperature air-entraining and oxygen-making control device of the helicopter comprises an engine air-entraining channel, wherein the outlet end of the engine air-entraining channel is connected with the inlet end of a heat dissipation assembly, the outlet end of the heat dissipation assembly is connected with the inlet of an oxygen-making host machine through an air-entraining pipeline, and the outlet of the oxygen-making host machine is connected with an oxygen supply mask through an oxygen supply pipeline; the engine bleed air channel is provided with a shutoff valve; the outlet of the heat radiation component is respectively provided with a filter and a temperature and pressure sensor; the shut-off valve and the temperature and pressure sensor are connected with the oxygen generation controller point.
In the helicopter high-temperature air-entraining oxygen-making control device, an oxygen concentration sensor is arranged at an outlet of the oxygen-making host.
In the helicopter high-temperature air-entraining and oxygen-generating control device, the oxygen-generating controller is connected with the upper computer.
In the helicopter high-temperature air-entraining and oxygen-generating control device, the upper computer is connected with the electromechanical display.
According to the application method of the helicopter high-temperature air-entraining and oxygen-making control device, when the molecular sieve oxygen supply device works normally, the temperature and pressure sensor collects the air temperature and pressure of the outlet of the heat radiation assembly in real time, and transmits the collected temperature and pressure value to the oxygen-making controller, and the oxygen-making controller judges the working state of the heat radiation fan of the heat radiation assembly by comparing the collected temperature and pressure value with the preset temperature and pressure limit value: when the collected temperature and pressure values are larger than preset temperature and pressure limit values, the cooling fan is judged to be in fault, and the shutoff valve is immediately closed. High-temperature air is prevented from entering the oxygen-making host, and the reliability of the molecular sieve oxygen supply device is improved.
In the use method of the helicopter high-temperature air-entraining and oxygen-making control device, when the helicopter is in normal flight and the molecular sieve oxygen supply device is not in operation, a small amount of high-temperature air-entraining is streamed to the rear-end oxygen-making host machine through the shut-off valve, at the moment, the oxygen-making controller and the temperature-pressure sensor are still in a working state, the heat radiation fan is in a standby state, the temperature-pressure sensor collects the air temperature and pressure of the outlet of the heat radiation assembly in real time, the collected temperature and pressure values are transmitted to the oxygen-making controller, and the oxygen-making controller judges the working state of the heat radiation fan by comparing the collected temperature and pressure values with preset temperature and pressure limit values: and when the acquired temperature and pressure values are larger than the preset temperature and pressure limit values, judging that the temperature and pressure values are over-temperature or over-pressure, and immediately starting the heat dissipation fan. High-temperature air is prevented from entering the oxygen-making host.
In the use method of the helicopter high-temperature air-entraining and oxygen-making control device, before the helicopter molecular sieve oxygen supply device works normally, the heat radiation fan is started first, and then the shutoff valve is opened after 3 seconds; when the molecular sieve oxygen supply device is closed, the oxygen generation controller firstly closes the shutoff valve, and then closes the heat radiation fan after 3 seconds. The method prevents a small amount of engine high-temperature air which is not subjected to heat radiation from entering the oxygen-making host machine and damaging the molecular sieve material.
In the use method of the helicopter high-temperature air-entraining oxygen-making control device, the oxygen-making controller receives the oxygen concentration value of the outlet of the oxygen-making host machine acquired by the oxygen concentration sensor, compares the acquired oxygen concentration value with a preset oxygen concentration limit value, and judges the working state of the oxygen-making host machine.
In the use method of the helicopter high-temperature air-entraining oxygen-making control device, the oxygen-making controller transmits the working information and fault information of the oxygen supply device to the electromechanical display through the upper computer, and provides the molecular sieve oxygen supply device with the real-time working state for the crew.
Advantageous effects
Compared with the prior art, according to the characteristics of high-temperature air-entraining and oxygen-making of the helicopter engine, the working states of all system components are controlled by optimizing the control logic of the oxygen-making control device, so that not only can a small amount of engine high-temperature air be prevented from entering an oxygen-making host when the oxygen-making system is opened and closed, but also the states of all the components of the system can be monitored in real time, and when related components are in failure, remedial measures are taken, so that the reliability and safety of the molecular sieve oxygen-making system are improved, and the high-temperature air is prevented from entering the oxygen-making host, damaging molecular sieve materials and scalding crews.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Reference numerals are used. 1-an oxygen generation controller; 2-a shut-off valve; 3-a heat sink assembly; 4-a heat radiation fan; 5-a filter; 6-a warm-pressing sensor; 7-an oxygen generation host; 8-oxygen concentration sensor; 9-an oxygen supply mask; 10-bleed air line; 11-an oxygen supply pipeline; 12-an upper computer; 13-an electromechanical display; 14-engine bleed air channel.
Detailed Description
Example 1. The high-temperature air-entraining and oxygen-generating control device of the helicopter is shown in fig. 1, and comprises an oxygen-generating controller 1, a shut-off valve 2, a heat radiation assembly 3, a heat radiation fan 4, a filter 5, a temperature and pressure sensor 6 and an oxygen-generating host 7.
When oxygen generation starts, the oxygen generation controller 1 starts the heat radiation fan 4 firstly, then the shutoff valve 2 is opened to lead out high-temperature and high-pressure gas from the engine air inlet, the high-temperature and high-pressure gas enters the heat radiation component 3 to be cooled and limited, and cooled air enters the filter 5 to be subjected to water removal, dust removal and oil removal. Meanwhile, a temperature and pressure sensor 6 positioned at the rear end of the filter 5 collects the air-entraining temperature and air-entraining pressure, sends the air-entraining temperature and the air-entraining pressure to the oxygen-making controller 1, the oxygen-making controller 1 judges whether the introduced air meets the molecular sieve oxygen-making requirement, and finally the treated low-temperature, clean and high-pressure air enters an oxygen-making host 7 to make oxygen.
In the oxygen production process, the oxygen production controller 1 monitors the air states of the shut-off valve 2, the heat radiation fan 4, the temperature and pressure sensor 6 and the inlet of the oxygen production host 7 in real time, and takes remedial measures in time according to the working states and fault conditions of all the components.
When the temperature of the air collected by the temperature and pressure sensor 6 is greater than or equal to 80 ℃, the oxygen generation controller 1 judges that the cooling fan 4 is in fault, the shutoff valve 2 is immediately closed, and high-temperature air-entraining is prevented from entering the oxygen generation host 7;
when the temperature and pressure sensor 6 collects air pressure smaller than 50kPa, the oxygen generation controller 1 judges that the shut-off valve 2 is not opened, and immediately closes the oxygen generation system;
when the temperature and pressure sensor 6 collects air with the temperature less than-55 ℃ or the temperature greater than 119 ℃, the oxygen production controller 1 judges that the temperature and pressure sensor 6 is in fault, and immediately closes an oxygen production system;
when the temperature and pressure sensor 6 collects air pressure smaller than 0 or larger than 1000kpa, the oxygen generation controller 1 judges that the temperature and pressure sensor 6 is out of order, and the oxygen generation system is immediately closed.
The oxygen generation controller 1 transmits the working information and fault information of the molecular sieve oxygen supply device to the electromechanical display 13 through the electromechanical computer 12, and provides the real-time working state of the molecular sieve oxygen supply device for the crew.
When the oxygen generating system is closed, the oxygen generating controller 1 firstly closes the shutoff valve 2 for 3 seconds and then closes the cooling fan 4 to lead out high-temperature and high-pressure gas from the engine air inlet, so that the high-temperature air inlet is prevented from entering the oxygen generating host;
when the helicopter flies normally and the oxygen generating system does not work, the oxygen generating controller 1 and the temperature and pressure sensor 6 keep working, and the heat radiation fan 4 is in a standby state. The oxygen production controller 1 judges the gas flow of the shut-off valve by monitoring the collected data of the temperature and pressure sensor 6 in real time. If the temperature of the air collected by the temperature and pressure sensor 6 is higher than 100 ℃, the oxygen generation controller 1 judges that the flow quantity of the shut-off valve 2 is too large, the oxygen generation controller 1 sends an instruction to immediately start the heat radiation fan 4, so that high-temperature air entraining is prevented from entering an oxygen generation host; if the air pressure collected by the temperature and pressure sensor 6 is larger than 80kPa, the oxygen generation controller 1 judges that the flow quantity of the shut-off valve 2 is overlarge, and the oxygen generation controller 1 sends a command to start the heat radiation fan 4 so as to prevent high-temperature bleed air from entering the oxygen generation host.
Example 2. The high-temperature air-entraining and oxygen-making control device of the helicopter is shown in fig. 1, and comprises an engine air-entraining channel 14, wherein the outlet end of the engine air-entraining channel 14 is connected with the inlet end of a radiating component 3, the outlet end of the radiating component 3 is connected with the inlet of an oxygen-making host machine 7 through an air-entraining pipeline 10, and the outlet of the oxygen-making host machine 7 is connected with an oxygen supply mask 9 through an oxygen supply pipeline 11; the engine bleed air channel 14 is provided with a shutoff valve 2; the outlet of the heat radiation component 3 is respectively provided with a filter 5 and a temperature and pressure sensor 6; the shut-off valve 2 and the temperature and pressure sensor 6 are both connected with the oxygen generation controller 1. An oxygen concentration sensor 8 is arranged at the outlet of the oxygen generating host 7. The oxygen generation controller 1 is connected with an upper computer 12. The upper computer 12 is connected with an electromechanical display 13.
The working principle is as follows:
firstly, when the molecular sieve oxygen supply device of the helicopter works normally, the heat radiation fan is started first, and then the shutoff valve is opened after 3 seconds. When the molecular sieve oxygen supply device is closed, the oxygen generation controller firstly closes the shutoff valve, and then closes the heat radiation fan after 3 seconds to prevent a small amount of engine high-temperature air which is not subjected to heat radiation from entering the oxygen generation host computer to damage molecular sieve materials; secondly, when the molecular sieve oxygen supply device works normally, the temperature and pressure sensor collects the air temperature and pressure of the outlet of the heat radiation component in real time and transmits the temperature and pressure value to the oxygen generation controller, and the oxygen generation controller judges whether the heat radiation fan works normally or not by comparing the temperature and pressure limit value with the set temperature and pressure limit value, if the heat radiation fan fails, the shutoff valve is immediately closed, high-temperature air is prevented from entering the oxygen generation host, and the reliability of the molecular sieve oxygen supply device is improved; finally, when the helicopter flies normally and the molecular sieve oxygen supply device does not work, the engine has a small amount of high-temperature air bleed to the rear-end oxygen-making host machine through the shut-off valve in series, at the moment, the oxygen-making controller and the temperature-pressure sensor are still in a working state, the heat dissipation fan is in a standby state, the temperature-pressure sensor collects the air temperature and pressure of the outlet of the heat dissipation assembly in real time and transmits the temperature and pressure value to the oxygen-making controller, and the oxygen-making controller judges whether the heat dissipation fan works normally or not by comparing the set temperature and pressure limit value, such as over-temperature or over-pressure, and immediately starts the heat dissipation fan to prevent high-temperature air from entering the oxygen-making host machine.
The key control nodes of the technical scheme of the invention are as follows:
1) The system comprises an oxygen generation controller 1, a temperature and pressure sensor 6, a heat radiation fan 4, a temperature and pressure sensor and a control valve 2, wherein the oxygen generation controller is used for controlling the start and stop of the oxygen generation host 7 and receiving temperature and pressure signals of the temperature and pressure sensor;
2) When the oxygen generation system is started, the oxygen generation controller 1 in the system starts the heat radiation fan 4 first, and after 3 seconds, the switch of the oxygen supply device is started until the heat radiation fan completely enters the working state, and then the shutoff valve 2 is opened; when the oxygen generation system is closed, the shut-off valve 2 is closed firstly, and then the heat radiation fan 4 is closed after 3 seconds, so that a small amount of engine high-temperature air which is not subjected to heat radiation is prevented from entering the oxygen generation host 7, and the molecular sieve material is prevented from being damaged;
3) In the system, when an oxygen generation system works normally, if a temperature and pressure sensor 6 collects air with the temperature of 80 ℃ or higher, the oxygen generation controller 1 judges that a cooling fan 4 is in fault, and immediately closes a shutoff valve 2 to prevent high-temperature air from entering an oxygen generation host 7;
4) In the system, when the oxygen generation system works normally, if the temperature and pressure sensor 6 collects air pressure smaller than 50kPa, the oxygen generation controller 1 judges that the shutoff valve 2 is not opened, and immediately closes the oxygen generation system;
5) When the oxygen generation controller 1 in the system works normally, the outlet temperature of the heat dissipation component is between normal temperature and 100 ℃, the lowest temperature is-55 ℃ in consideration of the use environment temperature, if the temperature and pressure sensor 6 collects air with the temperature less than-55 ℃ or the temperature greater than 119 ℃, the oxygen generation controller 1 judges that the temperature and pressure sensor 6 fails, and the oxygen generation system is immediately closed;
6) When the oxygen generation system works normally, the air entraining pressure range of the engine is 200kpa to 800kpa, for example, the temperature and pressure sensor 6 collects air pressure smaller than 0 or larger than 1000kpa, and the oxygen generation controller 1 judges that the temperature and pressure sensor 6 fails and immediately closes the oxygen generation system;
7) The helicopter flies normally, an oxygen production system does not work, an oxygen production controller 1 and a temperature and pressure sensor 6 in the system continue to work, and a heat radiation fan 4 is in a standby state;
8) The helicopter flies normally, the oxygen production system does not work, the shutoff valve has partial high-temperature high-pressure serial flow, the bleed air temperature is about 3kg/h, the maximum temperature is 316 ℃, and the high-temperature gas at 316 ℃ is not more than 100 ℃ after being subjected to laboratory test and heat dissipation by the heat dissipation component. If the temperature and pressure sensor 6 in the system collects air with the temperature of more than 100 ℃, the oxygen generation controller 1 judges that the series flow quantity of the shut-off valve 2 is too large, the oxygen generation controller 1 sends an instruction to start the heat radiation fan 4, and high-temperature bleed air is prevented from entering the oxygen generation host 7;
9) The helicopter flies normally, the oxygen generating system does not work, the shutoff valve has partial high-temperature high-pressure serial flow of about 3kg/h, and the pressure of serial flow gas after being radiated by the radiating component is not more than 80kpa through a laboratory test. The system medium temperature and pressure sensor 6 collects air pressure greater than 80kPa, the oxygen generation controller 1 judges that the series flow quantity of the shut-off valve 2 is too large, and the oxygen generation controller 1 sends an instruction to start the heat radiation fan 4 so as to prevent high-temperature bleed air from entering the oxygen generation host 7;
10 A shut-off valve 2 in the system is used as a bleed air switch of the oxygen supply device and is started and stopped according to the instruction of the oxygen generation controller 1;
11 A heat radiation fan 4 in the system is used as a key component for air entraining and heat radiation, and is started and stopped according to the instruction of the oxygen generation controller 1;
12 The heat dissipation component 3 in the system is used as a bleed air flow limiting device to prevent the excessive bleed air from affecting the engine power. According to the oxygen supply requirement of the molecular sieve, the air-entraining amount needs 60kg/h, and the power consumption of the air-entraining amount to the engine is not more than 0.8% of the total power through evaluation, so that the air-entraining flow limiting device is required to be designed to avoid the air-entraining amount exceeding 60 kg/h;
13 A filter 5 in the system for filtering dust, water vapor and oil gas contained in the engine bleed air, preventing the molecular sieve material in the oxygen-making host 7 from being polluted, the filter 5 being provided with drain holes for draining water and oil;
14 The medium temperature and pressure sensor 6 has the performances of vibration resistance, impact, acceleration, electromagnetic compatibility and the like, is used for collecting the air-entraining temperature and pressure at the air outlet of the heat dissipation assembly 3, transmitting the air-entraining temperature and pressure to the oxygen generation controller 1, and judging whether the shutoff valve 2 and the heat dissipation assembly 3 work normally or not;
15 The oxygen-making host machine 7 in the system separates oxygen and nitrogen from the introduced air by circularly changing the adsorption and desorption pressure of the molecular sieve, and outputs the mixed oxygen with different oxygen concentrations according to the altitude change.
16 An oxygen concentration sensor 8 in the system for collecting the oxygen concentration value of the outlet of the oxygen generating host 7 and transmitting the oxygen concentration value to the oxygen generating controller 1, wherein the oxygen generating controller 1 compares the received oxygen concentration value with the oxygen concentration limit value of the corresponding height and judges whether the oxygen generating host 7 works normally or not;
17 The oxygen generation controller 1 in the system transmits the working information and fault information of the oxygen supply device to the electromechanical display 13 through the electromechanical computer 12, and provides the molecular sieve oxygen supply device with real-time working state for the crew member.
Claims (9)
1. The high-temperature air-entraining and oxygen-making control device of the helicopter is characterized by comprising an engine air-entraining channel (14), wherein the outlet end of the engine air-entraining channel (14) is connected with the inlet end of a radiating component (3), the outlet end of the radiating component (3) is connected with the inlet of an oxygen-making host machine (7) through an air-entraining pipeline (10), and the outlet of the oxygen-making host machine (7) is connected with an oxygen supply mask (9) through an oxygen supply pipeline (11); the engine bleed air channel (14) is provided with a shutoff valve (2); the outlet of the heat radiation component (3) is respectively provided with a filter (5) and a temperature and pressure sensor (6); the shut-off valve (2) and the temperature and pressure sensor (6) are both connected with the oxygen generation controller (1) at the point.
2. The helicopter high-temperature air-entraining oxygen-making control device according to claim 1, characterized in that the outlet of the oxygen-making host (7) is provided with an oxygen concentration sensor (8).
3. The helicopter high-temperature air-entraining and oxygen-generating control device according to claim 1, wherein the oxygen-generating controller (1) is connected with an upper computer (12).
4. The helicopter high-temperature air-entraining and oxygen-generating control device according to claim 1, characterized in that the upper computer (12) is connected with an electromechanical display (13).
5. A method of using a helicopter high temperature bleed air oxygen production control device according to any of claims 1-4 characterized in that when the molecular sieve oxygen supply device is operating normally, the temperature and pressure sensor (6) collects the air temperature and pressure at the outlet of the heat dissipation assembly (3) in real time and transmits the collected temperature and pressure values to the oxygen production controller (1), the oxygen production controller (1) determines the operating state of the heat dissipation fan (4) of the heat dissipation assembly (3) by comparing with preset temperature and pressure limit values: when the acquired temperature and pressure values are larger than preset temperature and pressure limit values, the cooling fan (4) is judged to be in fault, and the shut-off valve (2) is immediately closed.
6. The method of using a helicopter high-temperature bleed air oxygen production control device according to claim 5, wherein when the helicopter is in normal flight and the molecular sieve oxygen supply device is not in operation, the engine has a small amount of high-temperature bleed air which is streamed to the rear-end oxygen production host through the shut-off valve (2), at this time, the oxygen production controller (1) and the temperature and pressure sensor (6) are still in a working state, the heat radiation fan (4) is in a standby state, the temperature and pressure sensor (6) collects the air temperature and pressure of the outlet of the heat radiation component (3) in real time, and the collected temperature and pressure values are transmitted to the oxygen production controller (1), and the oxygen production controller (1) judges the working state of the heat radiation fan (4) by comparing the collected temperature and pressure values with preset temperature and pressure limit values: and when the acquired temperature and pressure values are larger than the preset temperature and pressure limit values, judging that the temperature and pressure values are over-temperature or over-pressure, and immediately starting the heat dissipation fan.
7. The method for using the helicopter high-temperature air-entraining and oxygen-generating control device according to claim 5, wherein the cooling fan (4) is started before the helicopter molecular sieve oxygen supply device works normally, and the shut-off valve (2) is opened after 3 seconds; when the molecular sieve oxygen supply device is closed, the oxygen generation controller (1) firstly closes the shutoff valve (2), and then closes the heat radiation fan (4) after 3 seconds.
8. The method for using the helicopter high-temperature air-entraining and oxygen-generating control device according to claim 5, wherein the oxygen-generating controller (1) receives the oxygen concentration value of the outlet of the oxygen-generating host (7) acquired by the oxygen concentration sensor (8), compares the acquired oxygen concentration value with a preset oxygen concentration limit value, and judges the working state of the oxygen-generating host (7).
9. The method for using the helicopter high-temperature air-entraining and oxygen-generating control device according to claim 5, wherein the oxygen-generating controller (1) transmits the working information and fault information of the oxygen supply device to the electromechanical display (13) through the upper computer (12) to provide the real-time working state of the molecular sieve oxygen supply device for a crew member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211472785.3A CN116039930A (en) | 2022-11-17 | 2022-11-17 | Helicopter high-temperature air-entraining and oxygen-making control device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211472785.3A CN116039930A (en) | 2022-11-17 | 2022-11-17 | Helicopter high-temperature air-entraining and oxygen-making control device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116039930A true CN116039930A (en) | 2023-05-02 |
Family
ID=86122549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211472785.3A Pending CN116039930A (en) | 2022-11-17 | 2022-11-17 | Helicopter high-temperature air-entraining and oxygen-making control device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116039930A (en) |
-
2022
- 2022-11-17 CN CN202211472785.3A patent/CN116039930A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8015838B2 (en) | On-board inert gas generation turbocompressor systems and methods | |
| EP3095702B1 (en) | Environmental control system utilizing cabin discharge air to power a cycle | |
| US8171932B2 (en) | Oxygen breathing device for an aircraft | |
| EP3475546B1 (en) | System of cooling a turbine engine | |
| JP6942918B2 (en) | Onboard Inert Gas Generation System Predictive Health Monitoring | |
| EP2842872A1 (en) | Bleed air system | |
| CN109080652B (en) | A kind of railway vehicle cab air conditioning pressure regulation method | |
| JP2015519476A (en) | Method and apparatus for adjusting operating parameters of vacuum pump device | |
| CN116039930A (en) | Helicopter high-temperature air-entraining and oxygen-making control device and method | |
| CN108603719A (en) | The system and method started automatically for air separation equipment | |
| CN110691897B (en) | Improved device for temporarily increasing power from a turbine engine | |
| CN107850363B (en) | Thermostatic expansion valve and control method | |
| CN108180540A (en) | A kind of control method and device of air-conditioning system | |
| JP4353264B2 (en) | Fan control device | |
| JP7021424B2 (en) | In-flight inert gas generation air separation module recovery device and method | |
| JP2007046576A (en) | Steam turbine power generation plant and its control method | |
| US20230182914A1 (en) | Methods and systems for operating an aircraft engine | |
| JP2009096324A (en) | Air-bleeding system | |
| CN115818578A (en) | Molecular sieve regeneration system and method for oxygen generation of helicopter | |
| CN105955334A (en) | Temperature controller | |
| JP2006273183A (en) | Air bleeding system | |
| EP2143636A1 (en) | Oxygen breathing device for an aircraft | |
| JP4203705B2 (en) | Aircraft explosion-proof system | |
| JPS62189304A (en) | Method for controlling combined plant | |
| CN115144188A (en) | Overtemperature fault shutdown troubleshooting method for marine gas turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |