CN205633078U - A liquid deicing system control rack constructs that is used for deicing of light -duty public affair machine windscreen - Google Patents
A liquid deicing system control rack constructs that is used for deicing of light -duty public affair machine windscreen Download PDFInfo
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- CN205633078U CN205633078U CN201521043410.0U CN201521043410U CN205633078U CN 205633078 U CN205633078 U CN 205633078U CN 201521043410 U CN201521043410 U CN 201521043410U CN 205633078 U CN205633078 U CN 205633078U
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Abstract
The utility model relates to a for a liquid deicing system control rack constructs that is used for deicing of light -duty public affair machine windscreen, belong to the aircraft surface and prevent and kill off the ice field. The simple and easy liquid deicing system who uses with internal real dress is different, the utility model discloses use the pump to replace high pressurized air source to solve and hinder the dangerous problem of the superpressure that probably causes for some reason as system power, fundamentally, adopt two pump bracket to construct, backup each other, showing increase system reliability, increase automatic mode control, reduced pilot's operation burden, remain the manual mode, as automatic mode inefficacy and the seriously emergency treatment measure of the condition of freezing of experience, further improve system reliability.
Description
Technical field: the invention belongs to aircraft anti-deicing field, relate to the control technology of liquid deicing system.
Background technology: the anti-deicing of liquid is a kind of for aircraft surface easily side with deicing anti-icing by icing effect region
Method.Compare other anti-de-icing method (deicing as anti-in steam, the anti-deicing of electrical heating, the anti-deicing of Pneumatic mechanical type etc.), it is not necessary to disappear
Consume bleed or electric energy on substantial amounts of machine, only just can reach good anti-deicing performance with less weight cost.Therefore, liquid
The anti-clearing ice technology of the body light-duty business airplane field that the energy is more nervous on machine is widely used.
The method of the anti-deicing of liquid realizes based on reducing freezing point of liquid.By anti-freeze fluid being sprayed onto windscreen, machine
Wing empennage leading edge, propeller blade leading edge form one layer of liquid film, and mix with the super-cooling waterdrop hitting this region, reduce mixture
Freezing point, is allowed to favorable current and flows out aircraft, reach anti-icing effect.This it is designed to anti-icing system, it is also possible to aircraft surfaces
Carry out deicing.When ice is formed at aircraft surfaces, spray anti-freeze fluid and can penetrate into rapidly because of capillary effect to ice sheet
Bottom ice sheet, thus disintegrate ice sheet and aircraft surfaces junction, under the effect of air-flow, ice is removed.
At present, due to the technology ridge of the external anti-freeze fluid seepage wing (a kind of laser micro-aperture technique based on titanium alloy face)
Disconnected, domestic type not wide popularization and application fluid anti-icing system.The only a small amount of type actual load windshield de-icing system of ethanol medium
System.This system composition is simple, is made up of alcohol tank, pressure regulator, check valve, electromagnetic valve, atomizer and a small amount of pipeline.
Introduced gases at high pressure by the high-pressure nitrogen bottle on machine, after pressure regulator pressure regulation, enter alcohol tank, certain in maintaining alcohol tank
Normal pressure.By the manually opened electromagnetic valve of pilot during deicing, ethanol is sprayed to windscreen along pipeline, nozzle atomization under pressure
Deicing function is realized on glass.The shortcoming of this method is that the switch of systemic-function, operation duration are manually controlled by pilot
System, will open frequently in-flight at long icing cloud, turning off system switch, increase pilot's task burden.From being
For system safety, because using single source of the gas to pressurize as system input energy sources, and keep certain pressure in system in real time, to whole
The sealing demand of individual system is higher, and arbitrary region seal defect all can cause the leakage of flammable liquid ethanol, causes system merit
Even initiation fire can be lost.
Summary of the invention: present invention technology anti-icing to windscreen liquid improves, uses mini electric pump to be drawn as system
Power, and introduce automatic control function.Under automatic control mode, system periodically will be sprayed anti-freeze fluid and enter without pilot
Any operation of row.Simultaneity factor remains with original manual direct-injection pattern, when automatic mode controls to lose efficacy or met with heavy ice
Situation need to fill spray anti-freeze fluid time, pilot can directly activate mini electric pump and power thus be drawn injection anti-freeze fluid.Solution of the present invention
Original system of having determined use high-pressure air source is as the dangerous problem of system dynamic, and reduces flight by automatic control module
Member, in the burden of ice-formation condition flight, retains the manual mode redundancy backup as safety simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
Step one: install mini electric pump 2 aboard near anti-freeze fluid case additional；
Step 2: install the controller being connected with electrodynamic pump additional, maybe control function is transferred to integrated avionic system integration realization；
Step 3: install corresponding automatic mode, manual mode switch on instrument board additional.
Beneficial effects of the present invention: use pump to replace high-pressure air source as system dynamic, fundamentally solve because fault can
The superpressure dangerous problem that can cause；Use double pump framework, dramatically increase system reliability；Increase automatic mode to control, reduce
The operation burden of pilot；Retain manual mode, lost efficacy as automatic mode and the emergency processing of experience heavy ice situation is arranged
Execute, improve system reliability further.
Accompanying drawing illustrates:
The present invention is further described with embodiment below in conjunction with the accompanying drawings, and Fig. 1 removes for light-duty business airplane windscreen for one
The liquid deicing system of ice controls configuration diagram.In figure, 1 is anti-freeze fluid case；2 is implementation of port；3 is leakage fluid dram；4 is filter element；5
For mini electric pump；6 is nozzle；7 is relay；8 is hand switch；9 is automatically to switch；10 is controller；11 is power supply system
System；12 is breather；13 is anti-freeze fluid pipe；14 is electric wiring.
Fig. 2 is that a kind of liquid deicing system for light-duty business airplane windshield de-icing controls framework control logic chart.In figure,
L1 is " OFF " state that automatically switchs；L2 is " ON " state that automatically switchs；L3 is hand switch " OFF " state；L4 is hand switch
" ON " state；L5 is mini electric pump 1 stopped status；L6 is mini electric pump 1 duty；L7 is that mini electric pump 2 is shut down
State；L8 is mini electric pump 2 duty.
Detailed description of the invention:
The aircraft of application fluid present invention deicing system, under ice-formation condition during flight, pilot is opened automatically by Guan Bi
Close and activate liquid deicing system automatic mode.Controller discharges by controlling relay adhesive, makes 2 electrodynamic pumps the most alternately
Work the function to reach automatically to spray anti-freeze fluid on time.When controller lost efficacy or met with heavy ice situation, pilot closes
Closing hand switch, system powers to spray anti-freeze fluid by directly connecting electrodynamic pump.Injecting time depends on when hand switch closes
Long.After anti-freeze fluid contacts mixing with ice on windscreen, reduce the freezing point of liquid, so that ice-out, and brush work by air-flow
With, ice is removed.
Claims (3)
1. a new liquid deicing system controls framework, it is characterised in that installs mini electric pump on aircraft additional and substitutes high-pressure air source
As system dynamic, double pump framework is used to backup each other；Install control box additional, it is provided that the automatic mold of automated periodic injection anti-freeze fluid
Formula function, and retain manual mode, lost efficacy as automatic mode and the emergency trouble shooting measures of experience heavy ice situation.
A kind of new liquid deicing system controls framework, it is characterised in that system double pump uses also
Connection mode connects, and backups each other, and significantly improves system reliability.
A kind of new liquid deicing system controls framework, it is characterized by provide automatic mode and hands
Dynamic model selection, the working method under automatic mode is that controller controls two mini electric pump alternate cycle sex works, sprays every time
Penetrate the duration X second, twice injection interval duration Y second；When working method under manual mode is hand switch Guan Bi, mini electric pump
Work injection anti-freeze fluid immediately, and manual mode priority is higher than automatic mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043410.0U CN205633078U (en) | 2015-12-15 | 2015-12-15 | A liquid deicing system control rack constructs that is used for deicing of light -duty public affair machine windscreen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043410.0U CN205633078U (en) | 2015-12-15 | 2015-12-15 | A liquid deicing system control rack constructs that is used for deicing of light -duty public affair machine windscreen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205633078U true CN205633078U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521043410.0U Active CN205633078U (en) | 2015-12-15 | 2015-12-15 | A liquid deicing system control rack constructs that is used for deicing of light -duty public affair machine windscreen |
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Cited By (2)
| 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 |
| CN108438251A (en) * | 2018-05-07 | 2018-08-24 | 中电科芜湖通用航空产业技术研究院有限公司 | The detection device of anti-deicing system is leaked suitable for general-purpose aircraft micropore |
-
2015
- 2015-12-15 CN CN201521043410.0U patent/CN205633078U/en active Active
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 |
| CN108438251A (en) * | 2018-05-07 | 2018-08-24 | 中电科芜湖通用航空产业技术研究院有限公司 | The detection device of anti-deicing system is leaked suitable for general-purpose aircraft micropore |
| CN108438251B (en) * | 2018-05-07 | 2023-12-15 | 中电科芜湖通用航空产业技术研究院有限公司 | Detection equipment suitable for microporous leakage deicing system of general aircraft |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 519000 1st floor, headquarters base office building, 1519 Yinwan Road, Wanchai, Xiangzhou District, Zhuhai City, Guangdong Province Patentee after: R&D INSTITUTE OF CHINA AVIATION INDUSTRY GENERAL AIRCRAFT Co.,Ltd. Address before: China aviation general aviation industrial base, Jinhai Middle Road, Jinwan District, Zhuhai City, Guangdong Province Patentee before: R&D INSTITUTE OF CHINA AVIATION INDUSTRY GENERAL AIRCRAFT Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |