CN105966626B - A kind of new lifting airscrew hot gas expanded film and electric heating joint prevents/deicer - Google Patents
A kind of new lifting airscrew hot gas expanded film and electric heating joint prevents/deicer Download PDFInfo
- Publication number
- CN105966626B CN105966626B CN201610342349.2A CN201610342349A CN105966626B CN 105966626 B CN105966626 B CN 105966626B CN 201610342349 A CN201610342349 A CN 201610342349A CN 105966626 B CN105966626 B CN 105966626B
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- Prior art keywords
- hot gas
- expanded film
- heating
- gas expanded
- electric heating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D15/00—De-icing or preventing icing on exterior surfaces of aircraft
- B64D15/02—De-icing or preventing icing on exterior surfaces of aircraft by ducted hot gas or liquid
- B64D15/04—Hot gas application
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D15/00—De-icing or preventing icing on exterior surfaces of aircraft
- B64D15/12—De-icing or preventing icing on exterior surfaces of aircraft by electric heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D15/00—De-icing or preventing icing on exterior surfaces of aircraft
- B64D15/20—Means for detecting icing or initiating de-icing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Abstract
The present invention relates to a kind of new lifting airscrew hot gas expanded film and electric heating joint it is anti-/ deicer, belong to that rotor is anti-icing and clearing ice technology field.Critical piece includes：Rotor covering, electric heating is anti-/ and deicing system, hot gas expanded film be anti-/ deicing system and the freezing sensor for detecting rotor icing thickness；Hot gas expanded film is anti-/ and deicing system includes hot gas expanded film, check-valves, air compressor, vacuum pumping pump, pressure gauge, hot gas conveyance conduit and the freezing sensor for detecting rotor icing thickness；Electric heating is anti-/ and deicing system includes electric-heating-wire-heating pad, insulated thermal insulating layer, insulation heat transfer layer, multiplexer (MUX and freezing sensor to adjust the tap changer of heating intensity, for controlling different series connection heating cushions；The present invention can effectively be detected to lifting airscrew and prevented, de-icing work in real time, disclosure satisfy that anti-, the deicing requirement under a variety of different terrible weather environment and under different icing conditions.
Description
Technical field
The present invention relates to a kind of new lifting airscrew hot gas expanded film and electric heating joint to prevent/deicer, belongs to rotation
The wing is anti-icing and clearing ice technology field.
Background technology
Lifting airscrew when cloud layer containing super-cooling waterdrop is met in high-altitude can in rotor, there is icing phenomenon in surface windward, knot
Helicopter is resulted even in when ice is serious aircraft accident occurs.Existing fixed-wing is anti-/ and clearing ice technology is more ripe, but be directed to
The features such as lifting airscrew rotate, periodically waved at a high speed, flow field is complicated around rotor, rotor inner space is narrow and small, correlation into
Ripe anti-/ clearing ice technology is less.Therefore, new quick, efficient, energy-conservation the lifting airscrew of research is anti-icing and clearing ice technology has
Significance.
Hot gas expanded film is on the basis of expanded film, by being filled with engine high-temperature high-pressure hot gas instantaneous expansion, is reached
The effect of anti-/ deicing.Hot gas expanded film can not only be expanded rapidly by the moment of itself shoots down surface icing, will can also fill out
The heat entrained by HTHP hot gas filled passes to surface accumulated ice by way of heat transfer and radiation, makes to be attached to expansion
The firm accumulated ice of film melts at both faying faces, and comes off rapidly.
Electric heating is anti-/ clearing ice technology has been widely used for fixed-wing and rotor craft, but existing electric heating it is anti-/ deicing system
In need mostly pilot control electric heating it is anti-/ deicing system, automaticity is low, and electric heating it is anti-/ deicing system in due to electricity plus
Heating wire arrangement reason, heating effect skewness are bad to anti-icing and deicing effect under ice-formation condition in heat pad.Cause
This makes to reach the effect of good anti-icing and deicing, it is necessary to/deicing control system anti-to electric heating and heating cushion are improved.
The content of the invention
Patent of the present invention mainly for existing rotor and fixed wing aircraft it is anti-/ deficiency of clearing ice technology, utilize expanded film knot
Conjunction engine hot gas establishes thermal expansion film and prevents/deicing system, and combines electric heating and prevent/deicing system, proposes a kind of new goes straight up to
Machine rotor hot gas expanded film and electric heating joint prevent/deicer.Patent of the present invention manual or automatic can control anti-/ deicer
Unlatching, effectively lifting airscrew can be detected in real time and carry out preventing/de-icing work, have the time it is short, power consumption it is low, remove
The features such as ice is thorough, it disclosure satisfy that anti-, the deicing requirement under a variety of different terrible weather environment and under different icing conditions.
The technical solution adopted by the present invention is：A kind of new lifting airscrew hot gas expanded film and electric heating joint is provided
Anti-/deicer, including the corresponding rotor covering of rotor icing protective range, hot gas expanded film it is anti-/ deicing system, electric heating
Anti-/deicing system and the freezing sensor for detecting rotor icing thickness；Wherein hot gas expanded film it is anti-/ deicing system includes
Hot gas expanded film, for the bleed of engine hot gas and to hot gas expanded film inflation air compressor, check-valves, for closing heat
The vacuum pumping pump of gas expanded film, the pressure gauge for measuring warm gas circuit, hot gas conveyance conduit and for detecting rotor icing thickness
Freezing sensor；Inflate the outlet of check-valves connection air compressor and hot gas expanded film in loop；Vacuumize non-return in loop
Valve connects the entrance and hot gas expanded film of vacuum pumping pump；Pressure in loop by being arranged between check-valves and hot gas expanded film
Count pressure in control pressure loop；Electric heating is anti-/ and deicing system includes electric-heating-wire-heating pad, insulated thermal insulating layer, insulation heat transfer layer, uses
To adjust the tap changer of heating intensity, for control it is different series connection heating cushions control multiplexer (MUX and for detecting rotor
The freezing sensor of icing thickness；Insulated thermal insulating layer is Nian Jie with rotor covering, and electric-heating-wire-heating pad is distributed in insulated thermal insulating layer,
Insulation heat transfer layer is inlayed on the same layer with electric-heating-wire-heating pad, and is bonded with surface iron clad.
The hot gas expanded film is anti-/ and deicing system is arranged on hard substrate, and hard substrate is mutually be bonded with covering, tangential position
Put：From the supreme chord length of surface 1.3% of leading edge, the chord length of lower surface 2.4%, open up to position：25% chord length section is arised from, terminates in 95%
Chord length section.
The electric heating is anti-/ and deicing system is arranged on rotor covering outer surface, chordwise location：Upper surface arises from 1.3% chord length,
10% chord length is terminated in, lower surface arises from 2.4% chord length, terminates in 14% chord length, opens up to position and hot gas expanded film and prevents/deicing system
It is identical.
Described freezing sensor is distributed in hot gas expanded film installation region, is uniformly arranged along blade length direction.
The electric heating cushion arranged using cellular parallel-connection structure, in electric heating cushion control circuit by freezing sensor from
Dynamic control circuit break-make, and heating cushion supply voltage is automatically adjusted, adjust heating power.
The beneficial effects of the invention are as follows：
1. the present invention is using expanded film, instantaneously rotor accumulated ice is shot down in expansion rapidly, and quote engine high-temperature high pressure exhaust gas
Energy, the filling gas as expanded film make thermal expansion film prevent/deicing system normal work, efficiently reduce helicopter and prevent/remove
The energy consumption of ice system；
2. the present invention carries out preventing/deicing using thermal expansion film and electric heating association system, compared with single anti-/ deicing system,
Anti-/deicing efficiency greatly improves；
3. the present invention prevents/deicing control circuit system using new electric heating, and improves the cloth of heating wire in electric heating cushion
Structure is put, is advantageous to improve electrically heated uniformity；
4. hot gas expanded film of the present invention is anti-/ deicing system and electrical heating it is anti-/ deicing system position is advantageous to freezing
Monitoring is simultaneously rapid in real time for progress, efficiently carries out anti-icing and de-icing work；
5. the present invention is used for anti-/ deicing of lifting airscrew, simple and compact for structure, in light weight, the pneumatic of rotor is not changed
Profile, it also will not additionally increase the excessive weight of helicopter.
Brief description of the drawings
Fig. 1 be hot gas expanded film it is anti-/ position view of deicing system.
Fig. 2 is that hot gas expanded film prevents/deicing system control drawing.
Fig. 3 is that hot gas expanded film prevents the/forward and backward structural representation of deicing system work, wherein：(a) it is under non-working condition；
(b) it is under working condition.
Fig. 4 be electric heating it is anti-/ position view of deicing system.
Fig. 5 is that electric heating prevents/deicing system electric operation control circuit figure.
Fig. 6 be electric heating it is anti-/ deicing system in single heating cushion schematic diagram.
In figure：
1. blade；2. blade covering；3. insulated thermal insulating layer；4. electric-heating-wire-heating pad；5. insulate heat transfer layer；6. hard base
Body；7. hot gas expanded film；8. freezing sensor；9. surface iron clad；10. hot gas expands membrane channels；11. tap changer；12. multichannel
Controller；13. hot gas line passage；14. air cleaner；15. vacuum pumping pump；16. check-valves；17. pressure gauge；18. air
Compressor.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, by hot gas expanded film it is anti-/ control loop of deicing system is arranged on helicopter engine
Side, utilization is collected beneficial to engine high-temperature high pressure exhaust gas.Hot gas expanded film is anti-/ and deicing system is when opening work：Will hair
Motivation HTHP tail gas is filtered by air cleaner 14, and air compressor 18 pressurizes, via what is set inside rotorshaft
Hot gas line passage 13, HTHP hot gas is transported in the hot gas expanded film 7 on the surface of rotor 1；Hot gas expanded film
When anti-/ deicing system is stopped：Vacuum pumping pump 15 is opened, the hot gas in hot gas expanded film 7 is discharged；The non-return in two loops
Valve 16 ensures that whole baric systerm is closed, and passes through the control loop pressure of pressure gauge 17.
As shown in Figure 3, Figure 4, when hot gas expanded film it is anti-/ deicing system work when, hot gas full of hot gas expansion membrane channels 10,
Hot gas expanded film 7 expands rapidly, shoots down surface accumulated ice；Electric heating prevents/deicing system work simultaneously, eliminates the product of other zone of protections
The overflow water that ice and accumulated ice melt, reach anti-/ deicing purpose comprehensively in anti-icing region.The hot gas expanded film prevents/deicing system
System is arranged on hard substrate 6, and hard substrate 6 is mutually Nian Jie with covering 2, chordwise location：From the chord length of leading edge upper surface 1.3%, under
The chord length of surface 2.4%, is opened up to position：25% chord length section is arised from, terminates in 95% chord length section.The electric heating prevents/deicing system
Installed in the outer surface of blade covering 2, chordwise location：Upper surface arises from 1.3% chord length, terminates in 10% chord length, and lower surface arises from
2.4% chord length, terminate in 14% chord length, open up to position and hot gas expanded film it is anti-/ deicing system is identical.Described freezing sensor 8
It is distributed in hot gas expanded film installation region, is uniformly arranged along the length direction of blade 1.
As shown in Figure 5, Figure 6, the electric heating cushion 4 is arranged using cellular parallel-connection structure, in electric heating cushion control circuit
By the automatic control circuit break-make of freezing sensor 8, and heating cushion supply voltage is automatically adjusted, adjust heating power.
Claims (5)
1. a kind of new lifting airscrew hot gas expanded film and electric heating joint prevent/deicer, it is characterised in that including rotor
The corresponding rotor covering of icing protective range, hot gas expanded film be anti-/ and deicing system, electric heating is anti-/ deicing system and for examining
Survey the freezing sensor of rotor icing thickness；Wherein：
The hot gas expanded film is anti-/ and deicing system includes hot gas expanded film, for the bleed of engine hot gas and gives hot gas expanded film
The air compressor of inflation, check-valves, the vacuum pumping pump for closing hot gas expanded film, the pressure gauge for measuring warm gas circuit, heat
Letter shoot road and the freezing sensor for detecting rotor icing thickness；Inflate check-valves connection air compressor in loop
Outlet and hot gas expanded film；Vacuumize the entrance and hot gas expanded film of check-valves connection vacuum pumping pump in loop；Pass through in loop
It is arranged on pressure in the pressure gauge control pressure loop between check-valves and hot gas expanded film；
The electric heating is anti-/ and deicing system includes electric-heating-wire-heating pad, insulated thermal insulating layer, insulation heat transfer layer, strong to adjust heating
The tap changer of degree, the multiplexer (MUX for controlling different series connection heating cushions and the icing for detecting rotor icing thickness pass
Sensor；Insulated thermal insulating layer is Nian Jie with rotor covering, and electric-heating-wire-heating pad is distributed in insulated thermal insulating layer, and insulate heat transfer layer and electric heating
Silk heating cushion is inlayed on the same layer, and is bonded with surface iron clad.
2. a kind of new lifting airscrew hot gas expanded film and electric heating joint prevents/deicer according to claim 1, its
It is characterised by：The hot gas expanded film is anti-/ and deicing system is arranged on hard substrate, and hard substrate is mutually be bonded with covering, tangential
Position：From the supreme chord length of surface 1.3% of leading edge, the chord length of lower surface 2.4%, open up to position：25% chord length section is arised from, is terminated in
95% chord length section.
3. a kind of new lifting airscrew hot gas expanded film and electric heating joint prevents/deicer according to claim 1, its
It is characterised by：The electric heating is anti-/ and deicing system is arranged on blade covering outer surface, chordwise location：Upper surface arises from 1.3% string
It is long, 10% chord length is terminated in, lower surface arises from 2.4% chord length, terminates in 14% chord length, opens up to position and hot gas expanded film and prevents/deicing
System is identical.
4. a kind of new lifting airscrew hot gas expanded film and electric heating joint prevents/deicer according to claim 1, its
It is characterised by：Described freezing sensor is distributed in hot gas expanded film installation region, is uniformly arranged along blade length direction.
5. a kind of new lifting airscrew hot gas expanded film and electric heating joint prevents/deicer according to claim 1, its
It is characterised by：The electric-heating-wire-heating pad is arranged using cellular parallel-connection structure, passes through knot in electric-heating-wire-heating pad control circuit
Ice sensor automatic control circuit break-make, and heating cushion supply voltage is automatically adjusted, adjust heating power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342349.2A CN105966626B (en) | 2016-05-23 | 2016-05-23 | A kind of new lifting airscrew hot gas expanded film and electric heating joint prevents/deicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342349.2A CN105966626B (en) | 2016-05-23 | 2016-05-23 | A kind of new lifting airscrew hot gas expanded film and electric heating joint prevents/deicer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105966626A CN105966626A (en) | 2016-09-28 |
| CN105966626B true CN105966626B (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610342349.2A Active CN105966626B (en) | 2016-05-23 | 2016-05-23 | A kind of new lifting airscrew hot gas expanded film and electric heating joint prevents/deicer |
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| CN (1) | CN105966626B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537186A (en) * | 2020-06-23 | 2020-08-14 | 中国空气动力研究与发展中心低速空气动力研究所 | Helicopter rotor blade model with embedded pressure sensor and manufacturing process thereof |
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| CZ307230B6 (en) * | 2016-10-27 | 2018-04-11 | Jaroslav Vašíček | A current collector for powering an electrically driven rail vehicle |
| EP3643618B1 (en) * | 2018-10-26 | 2020-12-02 | LEONARDO S.p.A. | Blade for a hover-capable aircraft and method for removing ice from said blade |
| CN109720582B (en) * | 2018-11-12 | 2023-06-30 | 中航通飞华南飞机工业有限公司 | Composite electric heating-anti-icing liquid ice prevention and removal system |
| CN112793774B (en) * | 2021-01-04 | 2022-04-15 | 浙江世泰实业有限公司 | Production method for processing blade heating assembly |
| CN113530896A (en) * | 2021-05-31 | 2021-10-22 | 武汉船用机械有限责任公司 | Oil tank and hydraulic system |
| CN115575083B (en) * | 2022-12-12 | 2023-03-21 | 中国空气动力研究与发展中心低速空气动力研究所 | Verification device and verification method for control strategy of air bag controller |
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| GB2121745A (en) * | 1982-06-17 | 1984-01-04 | Westland Plc | Aircraft de-icing apparatus |
| US4508295A (en) * | 1982-06-09 | 1985-04-02 | S.N.E.C.M.A. | Device for detecting and preventing the formation of ice on contoured surfaces |
| CN87101760A (en) * | 1986-01-27 | 1987-09-23 | B·F·古德里奇公司 | The method and apparatus of leading edge surface deicing |
| US5427332A (en) * | 1993-11-10 | 1995-06-27 | The B. F. Goodrich Company | Modular ice protection assembly |
| US6237874B1 (en) * | 1997-09-22 | 2001-05-29 | Northcoast Technologies | Zoned aircraft de-icing system and method |
| EP2226247A1 (en) * | 2009-03-02 | 2010-09-08 | Aerazur | Method for mounting a de-icing mat on a wing |
| EP2433868A1 (en) * | 2010-09-28 | 2012-03-28 | Eurocopter | Improved de-icing system for a fixed or rotary wing of an aircraft |
| CN102490905A (en) * | 2011-12-27 | 2012-06-13 | 东南大学 | Novel anti-icing and deicing device for airfoils of airplane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3558279B2 (en) * | 2000-03-29 | 2004-08-25 | 川崎重工業株式会社 | Aircraft deicing equipment |
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2016
- 2016-05-23 CN CN201610342349.2A patent/CN105966626B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508295A (en) * | 1982-06-09 | 1985-04-02 | S.N.E.C.M.A. | Device for detecting and preventing the formation of ice on contoured surfaces |
| GB2121745A (en) * | 1982-06-17 | 1984-01-04 | Westland Plc | Aircraft de-icing apparatus |
| CN87101760A (en) * | 1986-01-27 | 1987-09-23 | B·F·古德里奇公司 | The method and apparatus of leading edge surface deicing |
| US5427332A (en) * | 1993-11-10 | 1995-06-27 | The B. F. Goodrich Company | Modular ice protection assembly |
| US6237874B1 (en) * | 1997-09-22 | 2001-05-29 | Northcoast Technologies | Zoned aircraft de-icing system and method |
| EP2226247A1 (en) * | 2009-03-02 | 2010-09-08 | Aerazur | Method for mounting a de-icing mat on a wing |
| EP2433868A1 (en) * | 2010-09-28 | 2012-03-28 | Eurocopter | Improved de-icing system for a fixed or rotary wing of an aircraft |
| CN102490905A (en) * | 2011-12-27 | 2012-06-13 | 东南大学 | Novel anti-icing and deicing device for airfoils of airplane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537186A (en) * | 2020-06-23 | 2020-08-14 | 中国空气动力研究与发展中心低速空气动力研究所 | Helicopter rotor blade model with embedded pressure sensor and manufacturing process thereof |
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| Publication number | Publication date |
|---|---|
| CN105966626A (en) | 2016-09-28 |
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