CN106005431A - Icing-preventing and deicing device for jetting type helicopter rotor - Google Patents
Icing-preventing and deicing device for jetting type helicopter rotor Download PDFInfo
- Publication number
- CN106005431A CN106005431A CN201610467368.8A CN201610467368A CN106005431A CN 106005431 A CN106005431 A CN 106005431A CN 201610467368 A CN201610467368 A CN 201610467368A CN 106005431 A CN106005431 A CN 106005431A
- Authority
- CN
- China
- Prior art keywords
- deicing
- icing
- liquid
- shower nozzle
- gas
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 44
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 15
- 239000002912 waste gas Substances 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000009833 condensation Methods 0.000 claims abstract description 9
- 230000005494 condensation Effects 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 23
- 229910052799 carbon Inorganic materials 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 210000000744 eyelid Anatomy 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 6
- 238000004781 supercooling Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- 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; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D15/00—De-icing or preventing icing on exterior surfaces of aircraft
-
- 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
- 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
- B64D15/06—Liquid application
- B64D15/10—Liquid application sprayed over surface
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention relates to an icing-preventing and deicing device for a jetting type helicopter rotor. The device is mounted in an icing area of the helicopter rotor and comprises main components as follows: an iron clad, icing-preventing and deicing spray nozzles, a deicing fluid and carbon powder spraying gas-liquid control system and a hard base used for fixed mounting, wherein the deicing fluid and carbon powder spraying gas-liquid control system comprises a deicing fluid source, a check valve, a carbon powder box, an air compressor, a hydraulic pump, a heat exchanger used for heating the deicing fluid with heat of waste gas of an engine, a two-way connector used for connecting gas-liquid circuits, a hot air and deicing fluid conveying pipeline and a pressure meter used for measuring the gas-liquid circuits. Carbon powder is sprayed to be used as an icing condensation nucleus, so that subcooled water droplets can ice in advance; icing-preventing and deicing work can be performed on the helicopter rotor in a deicing fluid spraying and heating manner, and the device has the characteristics of short deicing time, low energy consumption, complete deicing and the like and can meet icing-preventing and deicing requirements in various poor meteorological environments and in different icing states.
Description
Technical field
The present invention relates to a kind of injecting type lifting airscrew anti-/ deicer, belong to that rotor is anti-icing and deicing skill
Art 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 lifting airscrew is main
Carrying out preventing/de-icing work by electric heating, steam mode, more ripe anti-/ clearing ice technology is less.Therefore,
Study novel lifting airscrew fast and efficiently anti-icing significant with clearing ice technology.
Super-cooling waterdrop refers to that temperature is less than zero degree but still in the water droplet of liquid condition, research finds subcooled water
Dripping non-icing reason to be primarily due to lack the nuclei of condensation, just can lure as long as there are the nuclei of condensation in subcooled water
Send out crystallization, and make the temperature recovery of super-cooling waterdrop to freezing point, and in carbon dust in nature, air
The microgranules such as dust all can freeze as nuclei of condensation induction super-cooling waterdrop.Therefore, it can according to super-cooling waterdrop
Icing principle designs novel lifting airscrew and prevents/deicer.
Summary of the invention
Patent of the present invention mainly utilizes super-cooling waterdrop icing principle, utilizes the novel anti-/ deicing shower nozzle of design,
Injection carbon dust is as the nuclei of condensation of super-cooling waterdrop, and sprays the deicing liquid of heating, proposes a kind of injecting type straight
Rise machine rotor and prevent/deicer.Lifting airscrew can be prevented by patent of the present invention, de-icing work, tool
There is the time short, low, the deicing of the consuming energy feature such as thoroughly, it is possible to meet under multiple different terrible weather environment
And anti-, the deicing requirement under different icing condition.
The technical solution used in the present invention is: provide a kind of injecting type lifting airscrew to prevent/deicer, bag
Include iron clad, anti-/ deicing shower nozzle, deicing liquid and carbon dust injection gas-liquid control system and for hard-wired firmly
Matter matrix；Wherein: described deicing liquid and carbon dust injection gas-liquid control system include deicing liquid source, non-return
Valve, for provide carbon dust as the cartridge of the icing nuclei of condensation, for engine exhaust heat to add evanescence of heat
The heat exchanger of ice liquid, for the air compressor of pressurized engine waste gas, for pressurized jet deicing liquid
Hydraulic pump, for connecting the two-way connector in solution-air loop, steam and deicing liquid conveyance conduit and for surveying
The piezometer in amount solution-air loop；In carbon dust spray circuits, cartridge connects check-valves and two-way connector entrance；
In deicing liquid spray circuits, heat exchanger connects check-valves and two-way connector entrance；By arranging in two loops
Piezometer between two-way connector and anti-/ deicing shower nozzle controls air pressure and hydraulic circuit pressure respectively.
Described anti-/ deicing nozzle structure is solution-air two-way shower nozzle, and shower nozzle top is semiglobe, and bottom is
Sleeve structure；Semiglobe can spray the high-pressure engine waste gas being mingled with carbon dust, and sleeve structure offers spray
Mouth, the deicing liquid after can heating with jet engine waste gas.
In described anti-/ deicing nozzle set tubular construction, the external screw thread for connecting line all offered by inner tube, outer tube；
Semiglobe internal gas passageways sectional dimension is gradually reduced by interior.
Described anti-/ deicing shower nozzle is arranged on hard substrate, and hard substrate is mutually bonding with eyelid covering, tangential position
Put: from leading edge supreme surface 10% chord length, lower surface 14% chord length, exhibition is to position: arise from 25% chord length
Section, terminates in 95% chord length section.
Described anti-/ deicing shower nozzle is distributed in hard substrate installation region, uniformly arranges along blade length direction
Cloth；Described anti-/ deicing shower nozzle stretches out rotor total surface height and is not more than 25mm.
The invention has the beneficial effects as follows:
1. the present invention uses for reference the icing principle of super-cooling waterdrop, uses carbon dust to make super-cooling waterdrop carry as the nuclei of condensation
Front icing, and quote the energy of helicopter engine High Temperature High Pressure waste gas, heating deicing liquid is also ejected into rotation
Wing surface makes the accumulated ice of trace melt, and effectively prevents and eliminates lifting airscrew accumulated ice；
2. the present invention carries out spraying carbon dust by drawing engine exhaust, and utilize in engine exhaust miscellaneous
Matter and carbon dust together make super-cooling waterdrop freeze before clashing into rotor surface as the nuclei of condensation, less engines tail
The pollution of gas, improves the utilization rate of waste gas；
3. the high temperature during the present invention uses engine exhaust, as the thermal source of heating deicing liquid, passes through heat exchanger
Heating deicing liquid, improves the deicing efficiency of deicing liquid and reduces energy consumption；
4. the present invention is for the anti-/ deicing of lifting airscrew, simple and compact for structure, it is easy to operation, lightweight,
The weight that helicopter is too much will not be increased.
Accompanying drawing explanation
Fig. 1 is the structural representation of anti-/ deicing injector head.
Fig. 2 is anti-/ deicing injector head installation site schematic diagram.
Fig. 3 is anti-/ deicing injector head assembling schematic diagram.
Fig. 4 is deicing liquid and carbon dust injection gas-liquid control circuit diagram.
Fig. 5 is deicing liquid and carbon dust injection gas-liquid control loop position schematic diagram.
In figure:
1. blade；2. anti-/ deicing shower nozzle；3. iron clad；4. hard substrate；5. eyelid covering；6. deicing liquid source；7.
Hydraulic pump；8. check-valves；9. heat exchanger；10. piezometer；11. engine exhaust sources；12. air compressors；
13. cartridges；14. hot gas ducts；15. deicing liquid pipelines；16. two-way connector.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
As it is shown in figure 1, anti-/ deicing nozzle structure is solution-air two-way shower nozzle, shower nozzle top is semiglobe,
Bottom is sleeve structure；Semiglobe can spray the high-pressure engine waste gas being mingled with carbon dust, sleeve structure
Offering nozzle, the deicing liquid after can heating with jet engine waste gas, for ensureing spray regime, by hemisphere
The design of inside configuration gas passage sectional dimension is gradually reduced by interior, and then increases hemisphere surface
The speed of nozzle, increases spray regime；In anti-/ deicing nozzle set tubular construction, use all offered by inner tube, outer tube
External screw thread in connecting line, it is simple to connect carbon dust waste gas gas circuit and deicing liquid loop.
As shown in Figures 2 and 3, anti-/ deicing shower nozzle is arranged on hard substrate, and along blade length direction
Uniformly arrangement, hard substrate is mutually bonding with eyelid covering, chordwise location: from leading edge supreme surface 10% chord length,
Lower surface 14% chord length, exhibition is to position: arises from 25% chord length section, terminates in 95% chord length section；Prevent/remove
Ice shower nozzle is connected on hard substrate by the screwed hole being pre-machined on iron clad, and outside iron clad is used for protecting
Protect rotor, impact damage rotor after preventing super-cooling waterdrop from freezing.
As shown in Figure 4 and Figure 5, deicing liquid and carbon dust injection gas-liquid control system are arranged on helicopter and send out
Above motivation, it is simple to motor exhaust is carried out bleed.In carbon dust spray circuits, cartridge connects check-valves
With two-way connector entrance, engine exhaust enters exhaust pipe by air pressure pump, leads to heat exchanger
And the heat of waste gas is passed to deicing liquid, by the way of secondary pressurized, lead to cartridge, make waste gas with
Carbon dust mixes, and after integrating by two-way connector, via preventing/and deicing shower nozzle is ejected into outside rotor；Remove
In ice liquid spray circuits, deicing liquid enters deicing liquid pipeline through hydraulic pump, through by double after being heated by heat exchanger
Path connector is transferred to prevent/deicing shower nozzle, and is ejected into rotor surface and carries out deicing；By setting in two loops
The piezometer put between two-way connector and anti-/ deicing shower nozzle controls air pressure and hydraulic circuit pressure respectively,
To ensure that whole system normally works operating.
Claims (5)
1. an injecting type lifting airscrew anti-/ deicer, it is characterised in that including: iron clad, anti-/
Deicing shower nozzle, deicing liquid and carbon dust spray gas-liquid control system and for hard-wired hard substrate；Its
In: described deicing liquid and carbon dust injection gas-liquid control system include deicing liquid source, check-valves, for carrying
For carbon dust as the icing nuclei of condensation cartridge, heat the heat exchange of deicing liquid for engine exhaust heat
Device, the air compressor for pressurized engine waste gas, the hydraulic pump for pressurized jet deicing liquid, use
In connecting the two-way connector in solution-air loop, steam and deicing liquid conveyance conduit and being used for measuring solution-air loop
Piezometer；In carbon dust spray circuits, cartridge connects check-valves and two-way connector entrance；Deicing liquid sprays
It is emitted back towards heat exchanger in road and connects check-valves and two-way connector entrance；By being arranged on two-way even in two loops
The piezometer connect between device and anti-/ deicing shower nozzle controls air pressure and hydraulic circuit pressure respectively.
The most according to claim 1, a kind of injecting type lifting airscrew prevents/deicer, it is characterised in that:
Described anti-/ deicing nozzle structure is solution-air two-way shower nozzle, and shower nozzle top is semiglobe, and bottom is sleeve pipe
Structure；Semiglobe can spray the high-pressure engine waste gas being mingled with carbon dust, and sleeve structure offers nozzle,
Deicing liquid after can heating with jet engine waste gas.
The most according to claim 1, a kind of injecting type lifting airscrew prevents/deicer, it is characterised in that:
In described anti-/ deicing nozzle set tubular construction, the external screw thread for connecting line all offered by inner tube, outer tube；Half
Spherical structure internal gas passageways sectional dimension is gradually reduced by interior.
The most according to claim 1, a kind of injecting type lifting airscrew prevents/deicer, it is characterised in that:
Described anti-/ deicing shower nozzle is arranged on hard substrate, and hard substrate is mutually bonding with eyelid covering, chordwise location:
From leading edge supreme surface 10% chord length, lower surface 14% chord length, exhibition is to position: arise from 25% chord length section,
Terminate in 95% chord length section.
The most according to claim 1, a kind of injecting type lifting airscrew prevents/deicer, it is characterised in that:
Described anti-/ deicing shower nozzle is distributed in hard substrate installation region, uniformly arranges along blade length direction；
Described anti-/ deicing shower nozzle stretches out rotor total surface height and is not more than 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467368.8A CN106005431B (en) | 2016-06-24 | 2016-06-24 | A kind of injecting type lifting airscrew prevents/deicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467368.8A CN106005431B (en) | 2016-06-24 | 2016-06-24 | A kind of injecting type lifting airscrew prevents/deicer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106005431A true CN106005431A (en) | 2016-10-12 |
| CN106005431B CN106005431B (en) | 2018-04-13 |
Family
ID=57086859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610467368.8A Active CN106005431B (en) | 2016-06-24 | 2016-06-24 | A kind of injecting type lifting airscrew prevents/deicer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106005431B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058832A (en) * | 2017-11-03 | 2018-05-22 | 中航通飞研究院有限公司 | A kind of combined type anti-freeze fluid-anti-deicing system of air bag |
| CN109878740A (en) * | 2019-03-25 | 2019-06-14 | 上海工程技术大学 | The anti-icing and de-icing device and method of a kind of turboprop aircraft wing, empennage |
| CN110525663A (en) * | 2019-08-19 | 2019-12-03 | 山东大学 | A kind of moisture film cavitation combines anti-deicing radome fairing with deicing liquid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176383A (en) * | 2005-05-16 | 2008-05-07 | 贝尔直升机泰克斯特龙公司 | Ice processing system for inclined rotary-wing aircraft |
| CN102730194A (en) * | 2011-04-08 | 2012-10-17 | 贝尔直升机泰克斯特龙公司 | Rotor blade de-icing system |
| US20150083863A1 (en) * | 2012-05-16 | 2015-03-26 | Jka Kemi Ab | Deicing of a surface of structures in general such as wind turbine blades, aircraft wings using induction or radiation |
| CN104648676A (en) * | 2013-11-22 | 2015-05-27 | 中国航空工业集团公司西安飞机设计研究所 | Novel icing signal sensor |
| CN104890880A (en) * | 2014-03-07 | 2015-09-09 | 波音公司 | Systems and methods for passive deicing |
-
2016
- 2016-06-24 CN CN201610467368.8A patent/CN106005431B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176383A (en) * | 2005-05-16 | 2008-05-07 | 贝尔直升机泰克斯特龙公司 | Ice processing system for inclined rotary-wing aircraft |
| CN102730194A (en) * | 2011-04-08 | 2012-10-17 | 贝尔直升机泰克斯特龙公司 | Rotor blade de-icing system |
| US20150083863A1 (en) * | 2012-05-16 | 2015-03-26 | Jka Kemi Ab | Deicing of a surface of structures in general such as wind turbine blades, aircraft wings using induction or radiation |
| CN104648676A (en) * | 2013-11-22 | 2015-05-27 | 中国航空工业集团公司西安飞机设计研究所 | Novel icing signal sensor |
| CN104890880A (en) * | 2014-03-07 | 2015-09-09 | 波音公司 | Systems and methods for passive deicing |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058832A (en) * | 2017-11-03 | 2018-05-22 | 中航通飞研究院有限公司 | A kind of combined type anti-freeze fluid-anti-deicing system of air bag |
| CN108058832B (en) * | 2017-11-03 | 2022-06-28 | 中航通飞研究院有限公司 | Combined type anti-icing liquid-air bag anti-icing and deicing system |
| CN109878740A (en) * | 2019-03-25 | 2019-06-14 | 上海工程技术大学 | The anti-icing and de-icing device and method of a kind of turboprop aircraft wing, empennage |
| CN109878740B (en) * | 2019-03-25 | 2024-02-27 | 上海工程技术大学 | Anti-icing and deicing device and method for wings and tail wings of turboprop aircraft |
| CN110525663A (en) * | 2019-08-19 | 2019-12-03 | 山东大学 | A kind of moisture film cavitation combines anti-deicing radome fairing with deicing liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106005431B (en) | 2018-04-13 |
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