CN108535919A - A kind of aircraft windows of intelligent dimming - Google Patents
A kind of aircraft windows of intelligent dimming Download PDFInfo
- Publication number
- CN108535919A CN108535919A CN201810548675.8A CN201810548675A CN108535919A CN 108535919 A CN108535919 A CN 108535919A CN 201810548675 A CN201810548675 A CN 201810548675A CN 108535919 A CN108535919 A CN 108535919A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- aircraft
- aircraft windows
- intelligent dimming
- negative liquid
- 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
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133723—Polyimide, polyamide-imide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
- B64C1/1476—Canopies; Windscreens or similar transparent elements
- B64C1/1484—Windows
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13712—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering the liquid crystal having negative dielectric anisotropy
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Liquid Crystal (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal Substances (AREA)
Abstract
The invention discloses a kind of aircraft windows of intelligent dimming.Include negative liquid crystal and liquid crystal polymer network including driving power, adjustable knob switch, transparent substrates, polyimides, UV curing agent and liquid crystal compound, the liquid crystal compound.The negative liquid crystal filled in aircraft windows is randomly dispersed in liquid crystal polymer network, negative liquid crystal perpendicular orientation under the action of polyimides；Under conditions of applying electric field, negative liquid crystal meeting reorientation is orientated and is rotated with the intensity of applied electric field.The size that the present invention switchs change voltage by adjustable knob makes negative liquid crystal orientation rotate, and to achieve the purpose that light regulating, in order to meet the needs of different passengers, improves the comfort level of passenger's airplane；Original mechanical sunshading board has been removed simultaneously, alleviates the weight of aircraft.
Description
Technical field
The present invention relates to the application field of liquid crystal material more particularly to a kind of aircraft windows of intelligent dimming.
Background technology
With the continuous improvement of people’s lives level, the accelerating rhythm of life and aviation management rules constantly improve, more
Carry out more people to upgrade trip mode to aircraft from train, automobile.At the same time, people also begin to step up to aircraft visitor
The requirement of cabin comfort level.A part of the aircraft windows as aircraft passenger compartment, enough light sources are provided for main cabin, facilitate passenger
Ornamental landscape out of my cabin, improves the comfort of passenger's seating；Meanwhile the significant observation that aircraft windows are rescued as aircraft escape
Mouthful, in some cases, observation panel can be provided for rescue worker out of my cabin in order to select emergency escape route.
Currently, aircraft windows are all made of plug-type shading plastic sheet, although this curtain can block natural light, hide
Part whole shading firmly, it is too dark in cabin；It is too bright that part is not covered, cannot be satisfied the visual adaptability demand of passenger.
When aircraft is in cruising phase, a part of passenger needs to rest, and a part of passenger needs to handle official business, a part of passenger
Think that the outer landscape of looking glass, traditional aircraft windows cannot meet the needs of each passenger.When aircraft is in takeoff and landing, service on buses or trains
Member may require that passenger open sunshading board, in some specific situations, it is also desirable to repeat advise passenger open sunshading board, to passenger with
Unhappy flight experience is carried out.
Invention content
The purpose of the present invention is to provide a kind of aircraft windows of intelligent dimming, to overcome in aircraft flight porthole not
Passenger need to be advised to open the trouble of mechanical sunshading board when energy light regulating and takeoff and landing.
The invention is characterized in that by the size of adjustable knob switch-mode regulation voltage, negative liquid crystal is made to be orientated rotation, to
Achieve the purpose that light regulating, has removed original mechanical sunshading board, alleviated the weight of aircraft.
In order to achieve the above objectives, the present invention adopts the following technical scheme that.
A kind of aircraft windows of intelligent dimming, including the first transparent substrates and the second transparent substrates staggered relatively, and
Driving power.The driving power is first transparent substrates and the drive by aircraft power supply as obtained by transformer pressure-reducing
The anode connection of dynamic power supply, second transparent substrate are connect with the cathode of the driving power, first transparent substrates with
Filling liquid crystal mixture between second transparent substrates.The liquid crystal compound includes that negative liquid crystal, liquid crystal monomer, light draw
Send out agent.Wherein, the liquid crystal monomer occurs polymerisation and forms liquid crystal polymer net under the action of photoinitiator and ultraviolet light
Network；The negative liquid crystal is dispersed randomly among the liquid crystal polymer network.
As the preferred embodiment of the present invention, the driving power frequency is 400Hz, effective voltage 0V-40V.
As the preferred embodiment of the present invention, first transparent substrates and the second transparent substrates is ito glasses or other lead
Electric glass.
As the preferred embodiment of the present invention, the opposite surface of two pieces of transparent substrates is equipped with hanging down comprising polyimides
Straight both alignment layers.
As the preferred embodiment of the present invention, includes UV curing agent between two pieces of transparent substrates, pass through ultraviolet light
UV curing agent solidifications are packaged into aircraft windows.
As the preferred embodiment of the present invention, negative liquid crystal described in the liquid crystal compound, liquid crystal monomer, photoinitiator
Mass ratio is（90-95）：（4.9-9.9）：（0.1）.
Beneficial effects of the present invention are adjustment adjustable knob switch, when the voltage for being added in aircraft windows both ends being made to be in 0V,
Negative liquid crystal forms the monodomain alignment perpendicular to transparent substrates under the action of polyimides, and transmissivity is maximum at this time；In turn
When adjustable knob switchs, under the action of electric field, negative liquid crystal meeting reorientation is orientated and turns with the intensity of applied electric field
Dynamic, the arrangement of negative liquid crystal is converted to multidomain arrangement by common monodomain alignment, makes decrease in transmission.With the continuous increasing of voltage
Greatly, the transmissivity of aircraft windows constantly reduces.According to the demand of passenger, the light intensity of suitable passenger is adjusted out, while having removed the side of a ship
Original mechanical shutter on window, alleviates the weight of aircraft.It, can be unified by adjustable knob by crew when taking off landing
Switch is adjusted to the positions 0V, and it is maximum to make the transmitance of porthole.
Description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail.
Fig. 1 is the circuit diagram of the aircraft windows of intelligent dimming.
Fig. 2 be intelligent dimming aircraft windows under 0V states schematic diagram.
Fig. 3 be intelligent dimming aircraft windows under 0V-40V states schematic diagram.
Fig. 4 be intelligent dimming aircraft windows under 40V states schematic diagram.
Fig. 5 is light transmittance of the aircraft windows of intelligent dimming in embodiment 1 under different voltages.
Fig. 6 is light transmittance of the aircraft windows of intelligent dimming in embodiment 2 under different voltages.
Fig. 7 is light transmittance of the aircraft windows of intelligent dimming in embodiment 3 under different voltages.
Specific implementation mode
To keep the above objects, features and advantages of the present invention more easy-to-understand, With reference to embodiment
The present invention is described in detail.
As shown in Figure 1, the aircraft windows of the intelligent dimming are in parallel circuit, the aircraft windows of each intelligent dimming
It is equipped with the adjustable knob switch of independent control, the size of voltage can be adjusted by adjustable knob switch.The driving power
It is by aircraft power supply as obtained by transformer pressure-reducing, the driving power frequency is 400Hz, effective voltage 0V-40V.
First transparent substrates are connect with the anode of the driving power, second transparent substrate and driving electricity
The cathode in source connects, filling liquid crystal mixture between first transparent substrates and second transparent substrates, and the liquid crystal is mixed
It includes negative liquid crystal, liquid crystal monomer, photoinitiator to close object.Wherein, work of the liquid crystal monomer in photoinitiator and ultraviolet light
Under, polymerisation occurs and forms liquid crystal polymer network；The negative liquid crystal is dispersed randomly in the liquid crystal polymer network
Among.
The homeotropic alignment layer of coating polyimide on the opposite surface of two pieces of transparent substrates.
Include UV curing agent between two pieces of transparent substrate frames, is packaged by ultraviolet light UV curing agent solidifications
Aircraft windows.
Negative liquid crystal described in the liquid crystal compound, liquid crystal monomer, photoinitiator mass ratio be（90-95）：（4.9-
9.9）：（0.1）.
As shown in Fig. 2, the aircraft windows of the intelligent dimming are when being not powered on, work of the negative liquid crystal in polyimides
With the lower monodomain alignment formed perpendicular to transparent substrates, incident light smoothly can enter machine by the aircraft windows of intelligent dimming
In cabin, transmissivity is maximum at this time.
As shown in figure 3, when turn adjustable knob switchs, under the action of electric field, the arrangement of negative liquid crystal is by common
Monodomain alignment is converted to multidomain arrangement, makes decrease in transmission.With the continuous increase of voltage, the transmissivity of aircraft windows constantly drops
It is low, achieve the purpose that light regulating.
As shown in figure 4, the aircraft windows of the intelligent dimming, when reaching saturation voltage 40V, the negative liquid crystal is completed
Reorientation, light transmittance reach minimum.
Embodiment 1：Selected negative liquid crystal, liquid crystal monomer, photoinitiator mass ratio be（90-95）：（4.9-
9.9）：（0.1）.Light transmittance of the aircraft windows of intelligent dimming under different voltages is as shown in Figure 5.
Embodiment 2：Selected negative liquid crystal, liquid crystal monomer, photoinitiator mass ratio be（95-99.9）：（0-
4.9）：（0.1）.Light transmittance of the aircraft windows of intelligent dimming under different voltages is as shown in Figure 6.
Embodiment 3：Selected negative liquid crystal, liquid crystal monomer, photoinitiator mass ratio be（0-90）：（9.9-
99.9）：（0.1）.Light transmittance of the aircraft windows of intelligent dimming under different voltages is as shown in Figure 7.
The above, only presently preferred embodiments of the present invention, the invention is not limited in the above embodiments, as long as
It reaches the technique effect of the present invention with identical means, should all belong to the scope of protection of the present invention.In the protection model of the present invention
Its technical solution and/or embodiment can have a variety of different modifications and variations in enclosing.
Claims (6)
1. a kind of aircraft windows of intelligent dimming, it is characterised in that：Including driving power, adjustable knob switch, transparent substrates, gather
Acid imide, UV curing agent and liquid crystal compound, the liquid crystal compound are made of negative liquid crystal and liquid crystal polymer network, institute
It is that liquid crystal monomer occurs under the action of photoinitiator and ultraviolet light made by polymerisation to state liquid crystal polymer network.
2. a kind of aircraft windows of intelligent dimming according to claim 1, it is characterised in that：The driving power is by flying
For electromechanical source as obtained by transformer pressure-reducing, the aircraft power supply is 115V, electric voltage frequency 400Hz, the driving power after decompression
For 40V, electric voltage frequency 400Hz.
3. a kind of aircraft windows of intelligent dimming according to claim 1, it is characterised in that：The adjustable knob switch is used
In adjusting voltage, adjustable range is 0V-40V.
4. a kind of aircraft windows of intelligent dimming according to claim 1, it is characterised in that：The transparent substrates are ITO
Glass or other electro-conductive glass.
5. a kind of aircraft windows of intelligent dimming according to claim 1, it is characterised in that：The polyimides is for luring
Lead monodomain alignment of the negative liquid crystal formation perpendicular to transparent substrates.
6. a kind of aircraft windows of intelligent dimming according to claim 1, it is characterised in that：Institute in the liquid crystal compound
State negative liquid crystal, liquid crystal monomer, photoinitiator mass ratio be（90-95）：（4.9-9.9）：（0.1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810548675.8A CN108535919A (en) | 2018-05-31 | 2018-05-31 | A kind of aircraft windows of intelligent dimming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810548675.8A CN108535919A (en) | 2018-05-31 | 2018-05-31 | A kind of aircraft windows of intelligent dimming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108535919A true CN108535919A (en) | 2018-09-14 |
Family
ID=63473415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810548675.8A Pending CN108535919A (en) | 2018-05-31 | 2018-05-31 | A kind of aircraft windows of intelligent dimming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108535919A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004093873A (en) * | 2002-08-30 | 2004-03-25 | Asahi Glass Co Ltd | Light control window |
| CN1678948A (en) * | 2002-03-27 | 2005-10-05 | 艾利丹尼森公司 | Switchable electro-optical laminates |
| CN105158958A (en) * | 2015-09-28 | 2015-12-16 | 华南师范大学 | Electroresponse dimming glass |
| CN106125358A (en) * | 2016-06-27 | 2016-11-16 | 华南师范大学 | A kind of trans dimming glass based on electroresponse and preparation method thereof |
| CN106526932A (en) * | 2016-10-28 | 2017-03-22 | 华南师范大学 | Switchable glass based on subtractive color mixing method |
-
2018
- 2018-05-31 CN CN201810548675.8A patent/CN108535919A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1678948A (en) * | 2002-03-27 | 2005-10-05 | 艾利丹尼森公司 | Switchable electro-optical laminates |
| JP2004093873A (en) * | 2002-08-30 | 2004-03-25 | Asahi Glass Co Ltd | Light control window |
| CN105158958A (en) * | 2015-09-28 | 2015-12-16 | 华南师范大学 | Electroresponse dimming glass |
| CN106125358A (en) * | 2016-06-27 | 2016-11-16 | 华南师范大学 | A kind of trans dimming glass based on electroresponse and preparation method thereof |
| CN106526932A (en) * | 2016-10-28 | 2017-03-22 | 华南师范大学 | Switchable glass based on subtractive color mixing method |
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