CN105966626A - Novel helicopter rotor wing hot-air expansion film and electricity and heat combination ice preventing/removing device - Google Patents
Novel helicopter rotor wing hot-air expansion film and electricity and heat combination ice preventing/removing device Download PDFInfo
- Publication number
- CN105966626A CN105966626A CN201610342349.2A CN201610342349A CN105966626A CN 105966626 A CN105966626 A CN 105966626A CN 201610342349 A CN201610342349 A CN 201610342349A CN 105966626 A CN105966626 A CN 105966626A
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- Prior art keywords
- expanded film
- steam
- heating
- electric heating
- steam expanded
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- 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.)
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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 invention relates to a novel helicopter rotor wing hot-air expansion film and an electricity and heat combination ice preventing/removing device, and belongs to the technical field of rotor wing ice preventing and removing. The electricity and heat combination ice preventing/removing device mainly comprises a rotor wing skin, an electricity and heat ice preventing/removing system, a hot-air expansion film ice preventing/removing system and icing sensors for detecting the icing thickness of a rotor wing. The hot-air expansion film ice preventing/removing system comprises a hot-air expansion film, check valves, an air compressor, a vacuumizing pump, a pressure meter, a hot air conveying pipeline and the icing sensors for detecting the icing thickness of the rotor wing. The electricity and heat ice preventing/removing system comprises electric heating wire heating pads, an insulated heat insulation layer, an insulated heat transmission layer and a pressure adjusting switch for adjusting the heating intensity, a multipath controller for controlling the different series heating pads and the icing sensors. According to the novel helicopter rotor wing hot-air expansion film and the electricity and heat combination ice preventing/removing device, the helicopter rotor wing can be effectively subjected to detecting and ice preventing and removing work in real time, the ice preventing and removing requirements under different bad weather conditions and different icing states can be met.
Description
Technical field
The present invention relates to a kind of novel lifting airscrew steam expanded film and electric heating combine anti-/ deicer,
Belong to that rotor is anti-icing and clearing ice technology field.
Background technology
Can occur on rotor surface windward freezing when lifting airscrew meets the cloud layer containing super-cooling waterdrop in high-altitude
Phenomenon, results even in helicopter generation aviation accident when freezing serious.Existing fixed-wing prevents/deicing skill
Art is the most ripe, but for lifting airscrew high speed rotating, periodically wave, flow field is multiple around rotor
The features such as miscellaneous, rotor inner space is narrow and small, relevant ripe anti-/ clearing ice technology is less.Therefore, research is new
Quick, efficient, the energy-conservation lifting airscrew of type is anti-icing and clearing ice technology is significant.
Steam expanded film is on the basis of expanded film, swollen by being filled with engine high-temperature high-pressure hot gas moment
Swollen, reach the effect of anti-/ deicing.Steam expanded film not only can be expanded rapidly by the moment of self and shoot down
Surface freezes, it is also possible to the heat entrained by High Temperature High Pressure steam that will fill is by conduction of heat and radiation
Mode passes to surface accumulated ice, makes to be attached to the firm accumulated ice of expanded film and melts at both faying faces, and
Come off rapidly.
Electric heating is anti-/ clearing ice technology has been widely used for fixed-wing and rotor craft, but existing electric heating anti-/
Mostly needing pilot to control electric heating in deicing system and prevent/deicing system, automaticity is low, and electric heating is prevented
Due to heating wire layout reason in electric heating cushion in/deicing system, heats skewness, at icing bar
To anti-icing and deicing effect is the best under part.Accordingly, it would be desirable to electric heating anti-/ deicing control system and heating cushion
Improve, make to reach the effect of good anti-icing and deicing.
Summary of the invention
Patent of the present invention mainly for existing rotor and fixed wing airplane anti-/ deficiency of clearing ice technology, utilize swollen
Swollen film combine electromotor steam set up thermal expansion film anti-/ deicing system, and combine electric heating anti-/ deicing system, carry
Go out a kind of novel lifting airscrew steam expanded film and electric heating combines anti-/ deicer.Patent energy of the present invention
Enough manual or automatic control is anti-/ unlatching of deicer, can effectively lifting airscrew be detected in real time
And carry out preventing/de-icing work there is the time short, low, the deicing of the consuming energy feature such as thoroughly, it is possible to meet many
Plant anti-, the deicing requirement under different terrible weather environment and under different icing condition.
The technical solution used in the present invention is: provide a kind of novel lifting airscrew steam expanded film and
Electric heating combines anti-/ deicer, expands including the corresponding rotor eyelid covering of rotor icing protective range, steam
Film is anti-/ and deicing system, electric heating is anti-/ deicing system and for detecting the freezing sensor of rotor icing thickness；
Wherein steam expanded film anti-/ deicing system includes steam expanded film, for electromotor steam bleed and to steam
The air compressor of expanded film inflation, check-valves, for closing the vacuum pumping pump of steam expanded film, measurement
The piezometer of warm gas circuit, steam conveyance conduit and for detecting the freezing sensor of rotor icing thickness；
In inflation loop, check-valves connects outlet and the steam expanded film of air compressor；Non-return in evacuation loop
Valve connects entrance and the steam expanded film of vacuum pumping pump；By being arranged on check-valves and steam expansion in loop
Piezometer between film controls pressure in pneumatic circuit；Electric heating is anti-/ deicing system include electric-heating-wire-heating pad,
Insulated thermal insulating layer, insulation heat transfer layer, in order to regulate the tap changer of heating intensity, for controlling different string
Join heating cushion controls multiplexer (MUX and for detecting the freezing sensor of rotor icing thickness；Insulate every
Thermosphere is bonding with rotor eyelid covering, and electric-heating-wire-heating pad is distributed in insulated thermal insulating layer, insulation heat transfer layer and electricity
Heated filament heating cushion is inlayed on the same layer, and bonding with surface iron clad.
Described steam expanded film is anti-/ and deicing system is arranged on hard substrate, and hard substrate is mutually bonding with eyelid covering,
Chordwise location: from leading edge supreme surface 1.3% chord length, lower surface 2.4% chord length, exhibition is to position: arise from
25% chord length section, terminates in 95% chord length section.
Described electric heating is anti-/ and deicing system is arranged on rotor eyelid covering outer surface, chordwise location: upper surface arises from 1.3%
Chord length, terminates in 10% chord length, and lower surface arises from 2.4% chord length, terminates in 14% chord length, opens up to position and heat
Gas expanded film is anti-/ and deicing system is identical.
Described freezing sensor is distributed in steam expanded film installation region, uniform along blade length direction
Arrangement.
Described electric heating cushion uses cellular parallel-connection structure to arrange, by freezing in electric heating cushion control circuit
Sensor automatic control circuit break-make, and it is automatically adjusted heating cushion supply voltage, regulate heating power.
The invention has the beneficial effects as follows:
1. the present invention uses the instantaneous rapid expansion of expanded film to shoot down rotor accumulated ice, and it is high to quote engine high-temperature
The energy of pressure waste gas, as the filling gas of expanded film make thermal expansion film anti-/ deicing system normally works, have
Effect ground reduce helicopter anti-/ energy consumption of deicing system；
2. the present invention uses thermal expansion film and electric heating association system to carry out preventing/deicing, with single anti-/ deicing system
Comparing, anti-/ deicing efficiency is greatly improved；
3. the present invention uses novel electric heating to prevent/deicing control circuit system, and improves electric heating in electric heating cushion
The arrangement of silk, is conducive to improving electrically heated uniformity；
Steam expanded film the most of the present invention is anti-/ deicing system and electrical heating anti-/ deicing system position is conducive to
Icing is monitored in real time and carries out anti-icing and de-icing work rapidly, efficiently；
5. the present invention is for the anti-/ deicing of lifting airscrew, simple and compact for structure, lightweight, does not change rotation
The aerodynamic configuration of the wing, also will not additionally increase the weight that helicopter is too much.
Accompanying drawing explanation
Fig. 1 be steam expanded film anti-/ position view of deicing system.
Fig. 2 is that steam expanded film prevents/deicing system control drawing.
Fig. 3 is that steam expanded film prevents the/deicing system forward and backward structural representation of work, wherein: (a) is not
Under duty；B () is under duty.
Fig. 4 be electric heating anti-/ position view of deicing system.
Fig. 5 is that electric heating prevents/deicing system control circuit figure.
Fig. 6 be electric heating anti-/ deicing system in single heating cushion schematic diagram.
In figure:
1. blade；2. blade eyelid covering；3. insulated thermal insulating layer；4. electric-heating-wire-heating pad；5. insulation heat transfer layer；6.
Hard substrate；7. steam expanded film；8. freezing sensor；9. surface iron clad；10. steam expanded film passage；
11. tap changers；12. multiplexer (MUXs；13. hot gas line passages；14. air filters；15. evacuation
Pump；16. check-valves；17. piezometers；18. air compressors.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
As shown in Figure 1 and Figure 2, the control loop of anti-for steam expanded film/deicing system is arranged on helicopter
Above electromotor, it is beneficial to be collected engine high-temperature high pressure exhaust gas utilizing.Steam expanded film prevents/deicing
During system unlatching work: filtered by air filter 14 by engine high-temperature high pressure exhaust gas, air compresses
Machine 18 pressurizes, and via the internal hot gas line passage 13 arranged of rotorshaft, is carried by High Temperature High Pressure steam
In the steam expanded film 7 being arranged on rotor 1 surface；Steam expanded film is anti-/ and deicing system is when quitting work:
Open vacuum pumping pump 15, the steam in steam expanded film 7 is discharged；In two loops, check-valves 16 ensures
Whole baric systerm is airtight, and controls circuit pressures by piezometer 17.
As shown in Figure 3, Figure 4, when steam expanded film anti-/ deicing system work time, it is swollen that steam is full of steam
Swollen membrane channels 10, steam expanded film 7 expands rapidly, shoots down surface accumulated ice；Electric heating prevents/deicing system simultaneously
Work, eliminates the accumulated ice of other zone of protections and overflow water that accumulated ice melts, and reach in anti-icing region is complete
/ deicing purpose is prevented in face.Described steam expanded film is anti-/ and deicing system is arranged on hard substrate 6, hard substrate
6 is mutually bonding with eyelid covering 2, chordwise location: from leading edge upper surface 1.3% chord length, lower surface 2.4% chord length,
Exhibition is to position: arises from 25% chord length section, terminates in 95% chord length section.Described electric heating prevents/deicing system peace
It is contained in blade eyelid covering 2 outer surface, chordwise location: upper surface arises from 1.3% chord length, terminates in 10% chord length,
Lower surface arises from 2.4% chord length, terminates in 14% chord length, opens up/deicing system phase anti-with steam expanded film to position
With.Described freezing sensor 8 is distributed in steam expanded film installation region, along blade 1 length direction
Uniformly arrangement.
As shown in Figure 5, Figure 6, described electric heating cushion 4 uses cellular parallel-connection structure to arrange, electric heating cushion
By freezing sensor 8 automatic control circuit break-make in control circuit, and it is automatically adjusted heating cushion and powers electricity
Pressure, regulates heating power.
Claims (5)
1. novel lifting airscrew steam expanded film and electric heating combine anti-/ deicer, and its feature exists
In, including the corresponding rotor eyelid covering of rotor icing protective range, steam expanded film anti-/ deicing system, electricity
Heat is anti-/ deicing system and for detecting the freezing sensor of rotor icing thickness；Wherein:
Described steam expanded film is anti-/ deicing system include steam expanded film, for electromotor steam bleed and to
Steam expanded film inflation air compressor, check-valves, for close steam expanded film vacuum pumping pump,
Measure the piezometer of warm gas circuit, steam conveyance conduit and sense for detecting the icing of rotor icing thickness
Device；In inflation loop, check-valves connects outlet and the steam expanded film of air compressor；In evacuation loop
Check-valves connects entrance and the steam expanded film of vacuum pumping pump；By being arranged on check-valves and steam in loop
Piezometer between expanded film controls pressure in pneumatic circuit；
Described electric heating is anti-/ and deicing system includes electric-heating-wire-heating pad, insulated thermal insulating layer, insulation heat transfer layer, use
With the tap changer of regulation heating intensity, for control different series connection heating cushion control multiplexer (MUX and
For detecting the freezing sensor of rotor icing thickness；Insulated thermal insulating layer is bonding with rotor eyelid covering, heating wire
Heating cushion is distributed in insulated thermal insulating layer, and insulation heat transfer layer is inlayed on the same layer with electric-heating-wire-heating pad,
And it is bonding with surface iron clad.
A kind of novel lifting airscrew steam expanded film and electric heating combine anti-/
Deicer, it is characterised in that: described steam expanded film is anti-/ and deicing system is arranged on hard substrate, firmly
Matter matrix is mutually bonding with eyelid covering, chordwise location: from leading edge supreme surface 1.3% chord length, lower surface 2.4% string
Long, exhibition is to position: arises from 25% chord length section, terminates in 95% chord length section.
A kind of novel lifting airscrew steam expanded film and electric heating combine anti-/
Deicer, it is characterised in that: described electric heating is anti-/ and deicing system is arranged on blade eyelid covering outer surface, tangential
Position: upper surface arises from 1.3% chord length, terminates in 10% chord length, and lower surface arises from 2.4% chord length, terminates in
14% chord length, opens up/deicing system anti-with steam expanded film to position identical.
A kind of novel lifting airscrew steam expanded film and electric heating combine anti-/
Deicer, it is characterised in that: described freezing sensor is distributed in steam expanded film installation region,
Uniformly arrange along blade length direction.
A kind of novel lifting airscrew steam expanded film and electric heating combine anti-/
Deicer, it is characterised in that: described electric heating cushion uses cellular parallel-connection structure to arrange, electric heating cushion
By freezing sensor automatic control circuit break-make in control circuit, and it is automatically adjusted heating cushion supply voltage,
Regulation 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 true CN105966626A (en) | 2016-09-28 |
| CN105966626B CN105966626B (en) | 2018-01-02 |
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ID=56956825
Family Applications (1)
| 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 |
Country Status (1)
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| CN (1) | CN105966626B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ307230B6 (en) * | 2016-10-27 | 2018-04-11 | Jaroslav Vašíček | A current collector for powering an electrically driven rail vehicle |
| CN109720582A (en) * | 2018-11-12 | 2019-05-07 | 中航通飞研究院有限公司 | A kind of combined type electric heating-anti-deicing system of anti-freeze fluid |
| CN112793774A (en) * | 2021-01-04 | 2021-05-14 | 浙江世泰实业有限公司 | Blade heating assembly and production method thereof |
| CN112969639A (en) * | 2018-10-26 | 2021-06-15 | 列奥纳多股份公司 | Blade for an aircraft with hovering capability and method of deicing from the blade |
| 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 |
| CN115575083A (en) * | 2022-12-12 | 2023-01-06 | 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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537186B (en) * | 2020-06-23 | 2020-09-29 | 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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| 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 |
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| 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 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ307230B6 (en) * | 2016-10-27 | 2018-04-11 | Jaroslav Vašíček | A current collector for powering an electrically driven rail vehicle |
| CN112969639A (en) * | 2018-10-26 | 2021-06-15 | 列奥纳多股份公司 | Blade for an aircraft with hovering capability and method of deicing from the blade |
| CN109720582A (en) * | 2018-11-12 | 2019-05-07 | 中航通飞研究院有限公司 | A kind of combined type electric heating-anti-deicing system of anti-freeze fluid |
| 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 |
| CN112793774A (en) * | 2021-01-04 | 2021-05-14 | 浙江世泰实业有限公司 | Blade heating assembly and production method thereof |
| 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 |
| CN115575083A (en) * | 2022-12-12 | 2023-01-06 | 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 |
| 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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| CN105966626B (en) | 2018-01-02 |
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