CN102161306A - Automobile sunshading board with function of automatically adjusting light transmittance - Google Patents
Automobile sunshading board with function of automatically adjusting light transmittance Download PDFInfo
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- CN102161306A CN102161306A CN 201110126745 CN201110126745A CN102161306A CN 102161306 A CN102161306 A CN 102161306A CN 201110126745 CN201110126745 CN 201110126745 CN 201110126745 A CN201110126745 A CN 201110126745A CN 102161306 A CN102161306 A CN 102161306A
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- liquid crystal
- light valve
- crystal light
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- 238000002834 transmittance Methods 0.000 title claims abstract description 19
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 42
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000000638 stimulation Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 210000002858 crystal cell Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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Abstract
The invention relates to an automobile sunshading board with a function of automatically adjusting light transmittance. The automobile sunshading board is characterized by comprising a fixed bracket, a shell, a circuit board with a photosensitive device and a liquid crystal light valve plate, wherein the fixed bracket comprises a left fixed bracket and a right fixed bracket; the left fixed bracket is arranged on the left upper side of the shell; the right fixed bracket is arranged on the right upper side of the shell; the circuit board with the photosensitive device is arranged in the shell; the liquid crystal light valve plate is clamped into a mounting gap of the shell; and a driving interface of a liquid crystal light valve driving circuit is connected with the circuit board with the photosensitive device. The automobile sunshading board has the advantages that: a liquid crystal light valve serves as a light-transmitting device and the photosensitive device is used for automatically adjusting the light transmittance, so that stimulation to a driver caused by the external light is reduced, visual field of the driver is effectively enlarged, manual operation strength of the driver is reduced, and safety of the driver is improved.
Description
Technical field
What the present invention relates to is a kind of automotive sunshade panel with light transmittance automatically regulating function, utilizes the light transmittance of liquid crystal light valve automatically regulating automotive sunshade panel, belongs to vehicle electronics accessory technical field.
Background technology
Automotive sunshade panel is used to block the light of directive chaufeur, but traditional complete light tight shielding mode causes image to the visual field of chaufeur, is unfavorable for driving safety.
Summary of the invention
A kind of automotive sunshade panel that the present invention proposes with light transmittance automatically regulating function, its objective is and utilize liquid crystal light valve as the device that changes light transmittance, the voltage that is added on the liquid crystal light valve by change reaches the light transmittance that changes light valve, utilize the real-time light intensity of sensor devices perception again, automatically change the driving voltage that liquid crystal light valve drives, obtain the effect of automatically regulating automotive sunshade panel light transmittance.
Technical solution of the present invention: the structure of automotive sunshade panel comprises circuit card, the liquid crystal light valve plate of fixed support, shell, subsidiary sensor devices, wherein fixed support divides left fixed support, right fixed support, left side fixed support is in the upper left side of shell, right fixed support is in the upper right side of shell, the circuit card of subsidiary sensor devices is packed in the shell, the liquid crystal light valve integrated circuit board is gone into the installation seam of shell, and the driving interface of liquid crystal light valve driving circuit is connected with the circuit card of sensor devices.
Advantage of the present invention: use liquid crystal light valve as light penetrating device, adopt sensor devices automatically regulating light transmittance, reduce of the stimulation of extraneous light, effectively improve driver's seat, reduce the manual manipulation strength of chaufeur, improve drive safety to chaufeur.
Description of drawings
Accompanying drawing 1 is the structural representation of the automotive sunshade panel of band light transmittance automatically regulating function.
Accompanying drawing 2 is sun shield light transmittance automatically regulating control circuit block diagrams.
Among the figure 1 is left fixed support, the 2nd, shell, the 3rd, the circuit card, the 4th of subsidiary sensor devices, right fixed support, the 5th, liquid crystal light valve plate.
The specific embodiment
Contrast accompanying drawing 1, the structure of automotive sunshade panel comprises circuit card 3, the liquid crystal light valve plate 5 of fixed support, shell 2, subsidiary sensor devices, wherein fixed support divides left fixed support 1, right fixed support 4, left side fixed support 1 is in the upper left side of shell 2, right fixed support 4 is in the upper right side of shell 2, the circuit card of subsidiary sensor devices is packed in the shell 2, and the liquid crystal light valve integrated circuit board is gone into the installation seam of shell 2, and the driving interface of liquid crystal light valve driving circuit is connected with the circuit card of sensor devices 3.
Support bracket fastened effect is that this sun shield is fixed in automotive interior.
Sensor devices adopts photodiode, the same with general-purpose diode have a PN junction, difference is a transparent window to be arranged to receive the light irradiation on the shell of photodiode, realize opto-electronic conversion, different light produces different photocurrents, delivers to the digital signal that analog to digital conversion circuit is converted into the identification of monolithic function.
Liquid crystal light valve adopts TN type liquid crystal, and box is thick to be 6um, has added before and after liquid crystal cell partially and the analyzing polaroid, utilizes the interior liquid crystal molecule distortion angle of AC drive voltage control liquid crystal cell to change the transmitance of light.
Described sensor devices adopts photodiode, the same with general-purpose diode have a PN junction, difference is a transparent window to be arranged to receive the light irradiation on the shell of photodiode, realize opto-electronic conversion, different light produces different photocurrents, delivers to the digital signal that analog to digital conversion circuit is converted into the identification of monolithic function.
Micro controller system adopts 8 micro controller systems, gathers the light intensity digital signal that photodiode is transformed, according to built-in driving voltage---and extraneous light intensity table calculates cooresponding drive voltage signal.This signal is exported through the IO of micro controller system mouth.
The liquid crystal light valve driving circuit is to be used for producing the AC drive voltage that liquid crystal light valve is used, and electric voltage frequency is 60 hertz, and available voltage is that 1V is to 3V.
Before sun shield is fixed in automobile behind the shelves glass inside, variation along with extraneous light, light sensitive diode above the sun shield produces different photocurrents, light is strong more, photocurrent is big more, and the drive control signal that micro controller system calculates back output is strong more, and the voltage that the liquid crystal light valve driving circuit produces is high more, the light transmittance of liquid crystal light valve is low more, makes the eyes of chaufeur be unlikely to be subjected to the irradiation of high light; Otherwise light is weak more, and photocurrent is more little, and it is weak more that micro controller system calculates the drive control signal of exporting the back, and the voltage that the liquid crystal light valve driving circuit produces is low more, and the light transmittance of liquid crystal light valve is high more, makes the eye sight line of chaufeur unaffected.
Claims (2)
1. be with the automotive sunshade panel of light transmittance automatically regulating function, it is characterized in that comprising circuit card, the liquid crystal light valve plate of fixed support, shell, subsidiary sensor devices, wherein fixed support divides left fixed support, right fixed support, left side fixed support is in the upper left side of shell, right fixed support is in the upper right side of shell, the circuit card of subsidiary sensor devices is packed in the shell, and the liquid crystal light valve integrated circuit board is gone into the installation seam of shell, and the driving interface of liquid crystal light valve driving circuit is connected with the circuit card of sensor devices.
2. the automotive sunshade panel of band light transmittance automatically regulating function according to claim 1, it is characterized in that the sun shield light transmittance automatically regulating control circuit on the circuit card of subsidiary sensor devices comprises sensor devices, A/D converter, micro controller system, the liquid crystal light valve driving circuit, liquid crystal light valve, power circuit, wherein the signal input part of the signal output part of sensor devices and A/D converter joins, the signal output part of A/D converter and the signal input part of micro controller system join, the optical drive signal output part of micro controller system and the signal input part of liquid crystal light valve driving circuit join, the signal output part of liquid crystal light valve driving circuit and the signal input part of liquid crystal light valve join, the power output end of power circuit and the power input of A/D converter, the power input of micro controller system, the power input of liquid crystal light valve driving circuit joins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101267459A CN102161306B (en) | 2011-05-17 | 2011-05-17 | Automobile sunshading board with function of automatically adjusting light transmittance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101267459A CN102161306B (en) | 2011-05-17 | 2011-05-17 | Automobile sunshading board with function of automatically adjusting light transmittance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102161306A true CN102161306A (en) | 2011-08-24 |
| CN102161306B CN102161306B (en) | 2012-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101267459A Expired - Fee Related CN102161306B (en) | 2011-05-17 | 2011-05-17 | Automobile sunshading board with function of automatically adjusting light transmittance |
Country Status (1)
| Country | Link |
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| CN (1) | CN102161306B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673351A (en) * | 2012-04-20 | 2012-09-19 | 东莞市卓琳光电科技有限公司 | Automotive intelligent sunvisor |
| CN104349922A (en) * | 2012-03-26 | 2015-02-11 | 法雷奥照明公司 | Method and device for daytime motor vehicle driving assistance |
| CN105437927A (en) * | 2015-12-09 | 2016-03-30 | 光宝智能科技浙江有限公司 | Intelligent light filter plate |
| CN105946522A (en) * | 2016-05-09 | 2016-09-21 | 京东方科技集团股份有限公司 | Polarized light adjusting method and device |
| CN106994885A (en) * | 2016-01-25 | 2017-08-01 | 光宝智能科技浙江有限公司 | Automotive intelligent sunshading board |
| WO2019153576A1 (en) * | 2018-02-08 | 2019-08-15 | 中山市锐盈电子有限公司 | Multifunctional transparent liquid crystal display system for vehicles |
| CN112109530A (en) * | 2020-10-26 | 2020-12-22 | 马瑞利汽车电子(广州)有限公司 | Automatic adjusting type sun shield |
| CN113665323A (en) * | 2021-09-06 | 2021-11-19 | 东风柳州汽车有限公司 | Sunshade device, automobile and adjustment method of sunshade device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3634508C1 (en) * | 1986-10-09 | 1988-06-16 | Rupert Fuerthbauer | Optical filter with automatic control of the optical transmission |
| JPH06297947A (en) * | 1993-04-13 | 1994-10-25 | Shigeaki Kawai | Vehicle windshield shading device |
| CN2330538Y (en) * | 1998-01-08 | 1999-07-28 | 郭晓博 | Electro-controlled colour-changing board for vehicle |
| CN2623492Y (en) * | 2003-04-22 | 2004-07-07 | 赵欢艺 | Automobile glare-proof shield |
| CN2649391Y (en) * | 2003-10-22 | 2004-10-20 | 李纪成 | Automatic colour-changing sun visor for automobile |
| CN2723246Y (en) * | 2004-09-01 | 2005-09-07 | 陈宝琦 | Automatic anti-glaring sunshade board for vehicle |
| CN101767525A (en) * | 2010-02-03 | 2010-07-07 | 江西合力泰微电子有限公司 | Automatic color-changing vehicle glare proof mirror |
| CN101898502A (en) * | 2010-06-22 | 2010-12-01 | 浙江天鸿汽车用品有限公司 | Antiglare night vision device for automobile |
-
2011
- 2011-05-17 CN CN2011101267459A patent/CN102161306B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3634508C1 (en) * | 1986-10-09 | 1988-06-16 | Rupert Fuerthbauer | Optical filter with automatic control of the optical transmission |
| JPH06297947A (en) * | 1993-04-13 | 1994-10-25 | Shigeaki Kawai | Vehicle windshield shading device |
| CN2330538Y (en) * | 1998-01-08 | 1999-07-28 | 郭晓博 | Electro-controlled colour-changing board for vehicle |
| CN2623492Y (en) * | 2003-04-22 | 2004-07-07 | 赵欢艺 | Automobile glare-proof shield |
| CN2649391Y (en) * | 2003-10-22 | 2004-10-20 | 李纪成 | Automatic colour-changing sun visor for automobile |
| CN2723246Y (en) * | 2004-09-01 | 2005-09-07 | 陈宝琦 | Automatic anti-glaring sunshade board for vehicle |
| CN101767525A (en) * | 2010-02-03 | 2010-07-07 | 江西合力泰微电子有限公司 | Automatic color-changing vehicle glare proof mirror |
| CN101898502A (en) * | 2010-06-22 | 2010-12-01 | 浙江天鸿汽车用品有限公司 | Antiglare night vision device for automobile |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349922A (en) * | 2012-03-26 | 2015-02-11 | 法雷奥照明公司 | Method and device for daytime motor vehicle driving assistance |
| CN102673351A (en) * | 2012-04-20 | 2012-09-19 | 东莞市卓琳光电科技有限公司 | Automotive intelligent sunvisor |
| CN105437927A (en) * | 2015-12-09 | 2016-03-30 | 光宝智能科技浙江有限公司 | Intelligent light filter plate |
| CN106994885A (en) * | 2016-01-25 | 2017-08-01 | 光宝智能科技浙江有限公司 | Automotive intelligent sunshading board |
| CN105946522A (en) * | 2016-05-09 | 2016-09-21 | 京东方科技集团股份有限公司 | Polarized light adjusting method and device |
| WO2019153576A1 (en) * | 2018-02-08 | 2019-08-15 | 中山市锐盈电子有限公司 | Multifunctional transparent liquid crystal display system for vehicles |
| CN112109530A (en) * | 2020-10-26 | 2020-12-22 | 马瑞利汽车电子(广州)有限公司 | Automatic adjusting type sun shield |
| CN113665323A (en) * | 2021-09-06 | 2021-11-19 | 东风柳州汽车有限公司 | Sunshade device, automobile and adjustment method of sunshade device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102161306B (en) | 2012-11-14 |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Quan Jianhua Inventor after: Peng Jianzhong Inventor after: Qian Zhiping Inventor after: Chen Zhongguo Inventor after: Zhou Xiaojun Inventor before: Quan Jianhua Inventor before: Peng Jianzhong |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: QUAN JIANHUA PENG JIANZHONG TO: QUAN JIANHUA PENG JIANZHONG QIAN ZHIPING CHEN ZHONGGUO ZHOU XIAOJUN |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING HUARI TOUCH SCREEN DISPLAY TECHNOLOGY CO., Free format text: FORMER OWNER: NANJING HWUARY LIQUID CRYSTAL DISPLAY TECHNICAL CO., LTD. Effective date: 20140421 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140421 Address after: No. 19 Hengtong road 210038 in Jiangsu province Nanjing City Economic Development Zone Patentee after: NANJING HUARI TOUCH CONTROL DISPLAY SCIENCE & TECHNOLOGY CO.,LTD. Address before: 210038 No. 1 Hengtong Road, Nanjing Economic Development Zone, Jiangsu, China Patentee before: Nanjing Hwuary Liquid Crystal Display Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210209 Address after: 210046 No.601 Xianlin Avenue, Nanjing Economic and Technological Development Zone, Jiangsu Province Patentee after: NANJING CEC PANDA LCD TECHNOLOGY Co.,Ltd. Address before: No.19 Hengtong Avenue, Nanjing Economic Development Zone, Jiangsu 210038 Patentee before: NANJING HUARI TOUCH CONTROL DISPLAY SCIENCE & TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 |