[go: up one dir, main page]

CN109709694A - A kind of electrochromism automobile wind shield glass device - Google Patents

A kind of electrochromism automobile wind shield glass device Download PDF

Info

Publication number
CN109709694A
CN109709694A CN201910134945.5A CN201910134945A CN109709694A CN 109709694 A CN109709694 A CN 109709694A CN 201910134945 A CN201910134945 A CN 201910134945A CN 109709694 A CN109709694 A CN 109709694A
Authority
CN
China
Prior art keywords
electrochromism
wind shield
automobile wind
shield glass
glass device
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
Application number
CN201910134945.5A
Other languages
Chinese (zh)
Inventor
陈思远
董玉田
钮博翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Rumo Technology Co Ltd
Original Assignee
Hangzhou Rumo Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Rumo Technology Co Ltd filed Critical Hangzhou Rumo Technology Co Ltd
Priority to CN201910134945.5A priority Critical patent/CN109709694A/en
Publication of CN109709694A publication Critical patent/CN109709694A/en
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

The present invention provides a kind of electrochromism automobile wind shield glass device, and the electrochromism automobile wind shield glass device includes the PVB laminated windshield glass containing two layers of ITO electrode film and bistable liquid crystal, the driving IC being connected with sunlight sensor and power supply electric appliance.Electrochromism automobile wind shield glass device of the present invention have both PVB doubling glass safety and electrochromic high-efficiency shadowing;And the present invention can adjust the lightproof area and Shading intensity of windshield with real-time high-efficiency.

Description

A kind of electrochromism automobile wind shield glass device
Technical field
The present invention relates to a kind of windscree for vehicle device, in particular to one kind can identify intensity of illumination and direction from And electrochromic windscree for vehicle device.
Background technique
In vehicle travel process, external environment is in a continually changing process, and driver many times can be by To the influence of strong illumination, to influence the safety for driving and driving a vehicle.Therefore it is directed to different vehicles, is existed on the market different Sunshade solution.For large-scale car and lorry, relatively conventional is the combination of puggaree and sunglasses, Car has the adjustable shading amount of fixed puggaree, then by the supplement of sunglasses, prevents direct sunlight driver's eyes.So And puggaree can not be converted with the transformation of radiation direction, and driver is needed to manually adjust, while sunglasses is entering tunnel The low light environments such as road are also unfavorable for the sight adjustment of driver, and there are certain risk.Different from car and lorry, passenger car Ownership it is much greater, it is also larger to the attention degree of Problem of Shading, thus on the market be directed to passenger car sunshade scheme With it is above-mentioned different.Other than the sunshading board of vehicle self-carrying adjusts illumination, there are also the benefits of glass for vehicle window Sunshade film and sunglasses Fill scheme.Sunshading board has that same puggaree is the same, and driver is needed to be manually adjusted in real time according to sunlight irradiating angle, Glass for vehicle window Sunshade film can then be unified to reduce the light transmittance of windshield glass, at intensity of illumination not strong cloudy day or rainy day, instead It will affect the sight of driver.Therefore for various sunshade schemes on the market at present there are the drawbacks of, a kind of sunshade effect of demand Fruit is good, do not influence driver-operated automatically convenient sunshade scheme be research staff make joint efforts direction.
In order to effectively solve the above problems, photochromic and electrochromic glass enters the visual field of people, both at home and abroad The relevant product of several moneys be developed for automobile and aircraft.Photochromic is mainly by being uniformly dispersed with microcrystalline state The photosensitizers such as copper halide, silver halide in glass decompose under solar radiation, reduce the light transmittance of glass to reach a change The effect of color, and electrochomeric glass is mainly that the tungsten oxide film coating passed through between layer glass makes in the case where power-up Coating color is deepened, and color changeable effect is reached.For the glass of both different discoloration modes, there are a color change cycle is long The problem of, it is more slow from the discoloration start and ending time, it is 20 minutes.This is in the process of moving, environment is continuous There are certain risk for changing and needing to make the driver of real-time judge.
Summary of the invention
The purpose of the present invention is to provide a kind of electrochromism automobile wind shield glass device, vehicle electrochromism windscreens Glass device adjusts the light transmittance of windshield by bistable liquid crystal, and under the action of light sensor, Ke Yishi When quickly adjust shading-area and Shading intensity, to reach good shaded effects.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of electrochromism automobile wind shield glass device, Including the laminated windshield glass containing two layers ITO electrode film and bistable liquid crystal, the ITO electrode film and power supply electric appliance connect It connects.To drive the driving IC of ITO electrode thin film work and judge the sunlight sensor of illumination power and angle.It is understood that root The curved surface and shape of various automotive needs can be processed into according to the electrochromism windshield.
Further, it includes PVB (polyvinyl butyral) layer that the electrochromism automobile wind shield glass, which is lower part, Laminated glass, electrochromism automobile wind shield glass top include two layers of transparent ITO(tin indium oxide) electrode film and bistable State liquid crystal, two layers of transparent ITO(tin indium oxide) electrode film is equipped with and telegraph circuit and connect with power supply electric appliance.
Further, the transparent ITO(tin indium oxide) electrode film glass substrate be float-glass substrate or borosilicate Silicate glass substrate, ITO(tin indium oxide) electrode film pass through sputter coating process produce.
Further, the transparent ITO(tin indium oxide) contain bistable liquid crystal between electrode film, and in the interlayer Glass edge sealing processing.
Further, described with transparent ITO(tin indium oxide) the power supply electric appliance that is connected of electrode film adjusted by driving IC.
Further, the driving IC is connected with Yanguan Pass sensor, changes regulating command by illumination power and angle.
Further, the sunlight sensor is fixed on inside rear-view mirror fixing seat region.
Further, the transparent ITO(tin indium oxide) electrode film thickness are as follows: 100 ~ 1000nm.Preferably 100 ~ 500nm。
Further, the thickness of the bistable liquid crystal are as follows: 0.1 ~ 2mm.Preferably 0.38 ~ 1.52mm.
Further, the light transmittance of the electrochromism automobile wind shield glass is 10%~100%.
The preparation method of electrochromism automobile wind shield glass device of the present invention, comprising the following steps:
Step 1: sputtering being carried out to glass substrate and plates transparent ITO(tin indium oxide) electrode film, and carry out trapezoidal cutting, edging, Washing, and be dried for standby;
Step 2: containing transparent ITO(tin indium oxide what step 1 obtained) glass substrate of electrode film carries out at hot bending and tempering Reason, obtains the bend glass of required intensity and curvature;
Step 3: by hot bending and tempering treated bend glass according to vehicle class (passenger car, commercial vehicle, car), in ITO (tin indium oxide) electrode film fringe region prints electrode circuit.Non- ITO electrode region passes through traditional doubling technique and carries out PVB folder Glue processing, obtains the doubling bend glass containing upper hollow cavity;
Step 4: bistable liquid crystal is perfused in gained doubling bend glass, and carries out sealing processing.Simultaneously by telegraph circuit and band There is the power supply electric appliance of driving IC to be connected;
Step 5: driving IC being connected with the sunlight sensor for being fixed on inside rear-view mirror fixing seat region, obtains electrochromism automobile Windshield device.
Electrochromism automobile wind shield glass device provided by the invention compared with prior art, has the advantage that
(1) safety of the invention for having both PVB doubling glass and electrochromic high-efficiency shadowing;With conventional photochromic and electricity Mutagens color glass phase ratio, dynamic response change rate is in millisecond rank.
(2) bistable liquid crystal that the present invention uses still is able to maintain specific twisting states, Lai Baozheng light transmittance after a loss of power It is constant, thus energy saving;Simultaneously by the adjusting of telegraph circuit, it can arbitrarily change the size of different zones light transmittance, To high shading efficiency.
(3) sunlight sensor used in the present invention can be monitored in real time that illumination is strong and weak and illumination range, and by driving IC come Guarantee that real-time high-efficiency adjusts the lightproof area and Shading intensity of windshield.
Detailed description of the invention
It, below will be to attached used in specific embodiment in order to further clearly illustrate the specific embodiment of the invention Figure is briefly described, it should be apparent that, be described below in attached drawing be some embodiments of the present invention, for this field For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural representation under the non-working condition of electrochromism automobile wind shield glass device provided in an embodiment of the present invention Figure;
Fig. 2 is the structural schematic diagram under electrochromism automobile wind shield glass working state of device provided in an embodiment of the present invention
Fig. 3 is the face the A cross-sectional view of windshield in Fig. 1;
Fig. 4 is the face the B cross-sectional view of windshield in Fig. 1;
Fig. 5 is the functional block diagram of electrochromism automobile wind shield glass device provided in an embodiment of the present invention;
Fig. 6 is a kind of flow chart of electrochromism automobile wind shield glass device provided in an embodiment of the present invention.
In figure:
1- glass substrate;
2-ITO electrode film;
3- telegraph circuit;
4- bistable liquid crystal;
5-PVB (polyvinyl butyral);
6- sunlight sensor;
7- drives IC;
8- power supply electric appliance.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.Based on the embodiments of the present invention, this field Those of ordinary skill's every other embodiment obtained without making creative work, belongs to guarantor of the present invention The range of shield.
Embodiment 1,
The invention discloses a kind of electrochromism automobile wind shield glass devices, as shown in Figure 1, Figure 2, Figure 3, Figure 4, including windscreen glass The laminated windshield glass of two layers ITO electrode film 2 and bistable liquid crystal 4 is contained on glass top, and the ITO electrode film 2 passes through electricity Polar circuit 3 is connect with power supply electric appliance 8.8 power of power supply electric appliance is controlled by driving IC7 and sunlight sensor 6.The interlayer wind Gear glass is float glass, and its underpart includes PVB (polyvinyl butyral) layer 5.The ITO electrode film 2 is plated by sputtering Membrane process is made, with a thickness of 200nm and transparent.The bistable liquid crystal 4 is with a thickness of 1.52mm.
The preparation method of the present embodiment electrochromism automobile wind shield glass device, comprising the following steps:
Step 1: carrying out cutting process to windshield substrate 1, (trapezoidal cutting, two parallel line lengths are respectively glass up and down The parallel line width 800mm of 1100mm, 1200mm, two), surface dirt, greasy dirt, impurity etc. are cleaned up, and is dried.
Step 2: in the top half of trapezoidal glass substrate 1, being obtained by sputter coating process with a thickness of 200nm and transparent ITO electrode film 2.
Step 3: the above-mentioned glass substrate 1 handled well being subjected to hot bending and tempering is handled, obtains required intensity and curvature Bend glass.
Step 4: by the ITO(tin indium oxide of hot bending and tempering treated bend glass) electrode film fringe region prints Telegraph circuit 3.Non- ITO electrode region passes through traditional doubling technique and carries out the processing of PVB (polyvinyl butyral) 5 doubling, and glue is thick For 1.52mm, the doubling bend glass containing upper hollow cavity is obtained.
Step 5: bistable liquid crystal 5 is perfused in gained doubling bend glass, and carries out sealing processing.Simultaneously by telegraph circuit 3 are connected with the power supply electric appliance 8 with driving IC7;
Step 6: driving IC7 being connected with the sunlight sensor 6 for being fixed on inside rear-view mirror fixing seat region, obtains electrochromism vapour Vehicle windshield device.
As shown in Figure 5, Figure 6, during normal vehicle operation, acquisition intensity of illumination and the illumination in real time of sunlight sensor 5 Bearing data, and give data feedback to driving IC7.Driving IC7 adjusts power supply electric appliance 8 according to the data that sunlight sensor 5 acquires Power.Power supply electric appliance 8 exports the function of current on ITO electrode film 2 by telegraph circuit 3, changes the shape of bistable liquid crystal 4 State.When bistable liquid crystal 4 is in H state, which is in pellucidity;At bistable liquid crystal 4 When P state, which is in shading status.Simultaneously can according to the size of the power of power supply electric appliance 8, The steering angle of bistable liquid crystal 4 is adjusted, shading rate is changed.
Still there are many embodiment, all technical sides formed using equivalents or equivalent transformation by the present invention Case is within the scope of the present invention.

Claims (8)

1. a kind of electrochromism automobile wind shield glass device, including the interlayer containing two layers ITO electrode film and bistable liquid crystal Windshield, the ITO electrode film are connect with power supply electric appliance, to drive driving IC and the judgement of ITO electrode thin film work The sunlight sensor of illumination power and angle, the electrochromism windshield can be processed into the curved surface and shape of various automotive needs Shape: the ITO, i.e., indium-tin oxide electrode film with a thickness of 100 ~ 500nm;The bistable liquid crystal with a thickness of 0.38 ~ 1.52mm。
2. electrochromism automobile wind shield glass device according to claim 1, which is characterized in that the electrochromism automobile Windshield lower part includes the laminated glass of polyvinyl butyral PVB layer, electrochromism automobile wind shield glass top Comprising two layers of transparent ITO electrode film and bistable liquid crystal, two layers of transparent ITO electrode film be equipped with telegraph circuit and with electricity The connection of source electric appliance.
3. electrochromism automobile wind shield glass device according to claim 1, which is characterized in that the transparent ITO electrode The glass substrate of film is float-glass substrate or borosilicate glass substrate, and ITO electrode film is raw by sputter coating process It produces.
4. electrochromism automobile wind shield glass device according to claim 1, which is characterized in that the transparent ITO electrode Contain bistable liquid crystal between film, and in the laminated glass edge sealing processing.
5. electrochromism automobile wind shield glass device according to claim 1, which is characterized in that described electric with transparent ITO The connected power supply electric appliance of very thin films is adjusted by driving IC.
6. electrochromism automobile wind shield glass device according to claim 1, which is characterized in that the driving IC and Yanguan Pass Sensor is connected, and changes regulating command by illumination power and angle.
7. electrochromism automobile wind shield glass device according to claim 1, which is characterized in that the sunlight sensor is solid It is scheduled on inside rear-view mirror fixing seat region.
8. electrochromism automobile wind shield glass device according to claim 1, which is characterized in that the electrochromism automobile The light transmittance of windshield is 10%~100%.
CN201910134945.5A 2019-02-24 2019-02-24 A kind of electrochromism automobile wind shield glass device Pending CN109709694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910134945.5A CN109709694A (en) 2019-02-24 2019-02-24 A kind of electrochromism automobile wind shield glass device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910134945.5A CN109709694A (en) 2019-02-24 2019-02-24 A kind of electrochromism automobile wind shield glass device

Publications (1)

Publication Number Publication Date
CN109709694A true CN109709694A (en) 2019-05-03

Family

ID=66265067

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910134945.5A Pending CN109709694A (en) 2019-02-24 2019-02-24 A kind of electrochromism automobile wind shield glass device

Country Status (1)

Country Link
CN (1) CN109709694A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112859470A (en) * 2021-03-08 2021-05-28 恒大新能源汽车投资控股集团有限公司 Electrochromic-based dimming glass, control system, control method and automobile
CN112895856A (en) * 2019-12-04 2021-06-04 观致汽车有限公司 Windshield for vehicle and vehicle
CN116619995A (en) * 2023-05-25 2023-08-22 德州锦城电装股份有限公司 Transparency-adjustable automobile sun-proof privacy glass control system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5156452A (en) * 1989-07-20 1992-10-20 Paul Drzaic Encapsulated liquid crystal apparatus having low off-axis haze and operable by a sine-wave power source
CN102476576A (en) * 2010-11-24 2012-05-30 西安孔明电子科技有限公司 Liquid crystal automobile window
CN102830523A (en) * 2012-09-04 2012-12-19 苏州金科信汇光电科技有限公司 Electrochromatic glass
CN202806315U (en) * 2012-09-25 2013-03-20 信利半导体有限公司 Liquid crystal visor
CN205097886U (en) * 2015-11-13 2016-03-23 莆田市云驰新能源汽车研究院有限公司 Preceding glass of keeping off of automobile that can adjust luminance
CN105459764A (en) * 2015-12-11 2016-04-06 贾西平 Liquid crystal sun shield and preparation method and application thereof
CN105667266A (en) * 2016-02-25 2016-06-15 智车优行科技(北京)有限公司 Vehicle glass transparency control device and intelligent vehicle
CN105799468A (en) * 2016-05-10 2016-07-27 深圳市华星光电技术有限公司 Automobile light shielding and wind blocking device and automobile
CN105929576A (en) * 2016-07-04 2016-09-07 京东方科技集团股份有限公司 Dimming device and control method thereof as well as vehicle-mounted device and control method thereof
CN108061982A (en) * 2016-11-09 2018-05-22 梁泽超 Electrochomeric glass

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5156452A (en) * 1989-07-20 1992-10-20 Paul Drzaic Encapsulated liquid crystal apparatus having low off-axis haze and operable by a sine-wave power source
CN102476576A (en) * 2010-11-24 2012-05-30 西安孔明电子科技有限公司 Liquid crystal automobile window
CN102830523A (en) * 2012-09-04 2012-12-19 苏州金科信汇光电科技有限公司 Electrochromatic glass
CN202806315U (en) * 2012-09-25 2013-03-20 信利半导体有限公司 Liquid crystal visor
CN205097886U (en) * 2015-11-13 2016-03-23 莆田市云驰新能源汽车研究院有限公司 Preceding glass of keeping off of automobile that can adjust luminance
CN105459764A (en) * 2015-12-11 2016-04-06 贾西平 Liquid crystal sun shield and preparation method and application thereof
CN105667266A (en) * 2016-02-25 2016-06-15 智车优行科技(北京)有限公司 Vehicle glass transparency control device and intelligent vehicle
CN105799468A (en) * 2016-05-10 2016-07-27 深圳市华星光电技术有限公司 Automobile light shielding and wind blocking device and automobile
CN105929576A (en) * 2016-07-04 2016-09-07 京东方科技集团股份有限公司 Dimming device and control method thereof as well as vehicle-mounted device and control method thereof
CN108061982A (en) * 2016-11-09 2018-05-22 梁泽超 Electrochomeric glass

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112895856A (en) * 2019-12-04 2021-06-04 观致汽车有限公司 Windshield for vehicle and vehicle
CN112859470A (en) * 2021-03-08 2021-05-28 恒大新能源汽车投资控股集团有限公司 Electrochromic-based dimming glass, control system, control method and automobile
CN116619995A (en) * 2023-05-25 2023-08-22 德州锦城电装股份有限公司 Transparency-adjustable automobile sun-proof privacy glass control system
CN116619995B (en) * 2023-05-25 2024-05-24 德州锦城电装股份有限公司 Transparency-adjustable automobile sun-proof privacy glass control system

Similar Documents

Publication Publication Date Title
CN207264071U (en) A kind of electrochromism vehicle glass
CN109709694A (en) A kind of electrochromism automobile wind shield glass device
AU2005293406B2 (en) Transport glazing unit provided with resistive heating coating
US5111329A (en) Solar load reduction panel with controllable light transparency
CN103991366A (en) Sun shading device, vehicle and glass sun shading method
US20210078300A1 (en) Composite pane having electrically controllable optical properties
KR20090075850A (en) Highly conductive transparent layer with metal grid with optimized electrochemical resistance
CN207877598U (en) A kind of thermochromism laminated glass that can actively adjust
CN111542430B (en) Composite glass pane comprising functional elements with electrically controllable optical properties and active substance concentration gradients
CN203241673U (en) Electrochromic thin film element
CA3031451A1 (en) Active electrochromic films
CN203752840U (en) Automatic color changing automobile front windshield
CN203063630U (en) Dimming window glass
KR20150088448A (en) Electrochromic glass cars Auto-tinted with Solar Panel
CN109835149A (en) A kind of anti-dazzle laminated glass
CN210337526U (en) Intelligent sun visor for automobile
CN109383453A (en) Novel electric heating demisting type automobile front windshield
CN209265133U (en) A kind of electronics blinds film, glass and control system based on PDLC liquid crystal light modulation film
CN116885025A (en) Automobile skylight glass based on photovoltaic power generation and preparation method thereof
TWM432062U (en) Electrochromic element
CN112469155B (en) Electric heating glass window
CN208393053U (en) A kind of automobile window glass and automobile
CN205051630U (en) Photovoltaic module and photovoltaic curtain wall
CN210270461U (en) Color-changing glass capable of being used at low temperature
CN206938114U (en) Front door of automobile heats glass

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190503