CN203727144U - Automotive sunvisor - Google Patents
Automotive sunvisor Download PDFInfo
- Publication number
- CN203727144U CN203727144U CN201420107143.8U CN201420107143U CN203727144U CN 203727144 U CN203727144 U CN 203727144U CN 201420107143 U CN201420107143 U CN 201420107143U CN 203727144 U CN203727144 U CN 203727144U
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- CN
- China
- Prior art keywords
- shell
- micro controller
- controller system
- liquid crystal
- converter
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an automotive sunvisor. The automotive sunvisor comprises a shell, a liquid crystal light valve plate embedded in the shell and a fixing support arranged on the shell. A light-sensitive circuit module is placed in the shell, a mode switching photoreceptor is arranged on one side of the shell, and a light-sensitive element is arranged on one face, facing a windshield, of the shell. The light-sensitive circuit module comprises an automatic transmittance adjustment control module and an automatic day-night switching control module. The mode switching photoreceptor is connected with the automatic day-night switching control module, and the light-sensitive element is connected with the automatic transmittance adjustment control module. The automotive sunvisor has the advantages that day-night modes can be switched automatically, transmittance of a liquid crystal light valve can be better guaranteed, and driving safety is improved for a driver.
Description
Technical field
The utility model relates to a kind of automotive sunshade panel, particularly a kind ofly can change the automotive sunshade panel that automatically changes light transmittance according to extraneous light.
Background technology
Automobile is in driving procedure, and when encountering sun direct projection, chaufeur all can be turned down the sun shield in front, the crown conventionally, blocks with this impact that dazzling sunlight causes safe driving.
Existing traditional sun shield is normally light tight, and this class sun shield has sheltered from dazzling light completely, has played the effect well keeping the sun off, but has caused certain sight line to hinder to chaufeur itself simultaneously; Also have a class sun shield, belong to light-transmission type, anti-dazzle device is liquid crystal light valve plate, by a kind of photosensitive circuit, control the light transmittance of liquid crystal light valve plate, but this type of sun shield belongs to Uniting day and night, comes like this at night, in intersection car, the light of the vehicle coming is sailed than the sunshine on daytime in reverse track, and light intensity is different certainly, now, photosensitive circuit there will be not accurate enough reaction unavoidably, and chaufeur is affected.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of light intensity that can distinguish day and night, and photosensitive circuit control is more accurate, and light transmittance is automotive sunshade panel more perfectly.
For solving the problems of the technologies described above, the technical solution of the utility model automotive sunshade panel is:
Comprise liquid crystal light valve plate in the enclosure of shell, embedding and be arranged on the fixed support of shell upper, it is characterized in that: in described shell, be placed with photosensitive circuit module, described shell one side is provided with pattern and switches photoreceptor, one side to Windshield on shell is provided with photo-sensitive cell, described photosensitive circuit module comprises the control module that automatically switches light transmittance auto-adjustment control module and day and night, pattern is switched photoreceptor and is connected with the control module that automatically switches day and night, and photo-sensitive cell is connected with light transmittance auto-adjustment control module.
Described fixed support comprises left fixed support and right fixed support, and circumscripted power line is connected with the photosensitive circuit module arranging in the enclosure through left support bracket fastened endoporus.
Described light transmittance auto-adjustment control module comprises photo-sensitive cell, A/D converter 1, micro controller system 1, liquid crystal light valve driving circuit, liquid crystal light valve, power circuit, wherein the signal input part of the signal output part of photo-sensitive cell and A/D converter 1 joins, the signal input part of the signal output part of A/D converter 1 and micro controller system 1 joins, the optical drive signal output part of micro controller system 1 and the input end of liquid crystal light valve driving circuit join, the mouth of liquid crystal light valve driving circuit and the mouth of liquid crystal light valve join, power circuit and A/D converter 1, micro controller system 1, liquid crystal light valve driving circuit joins.
The control module that automatically switches described day and night comprises pattern switching photoreceptor, A/D converter 2, micro controller system 2, pattern switch driving circuit, power circuit, wherein the pattern switching signal output part of photoreceptor and the signal input part of A/D converter 2 join, the signal input part of the signal output part of A/D converter 2 and micro controller system 2 joins, the optical drive signal output part of micro controller system 2 and the input end of pattern switch driving circuit join, now, another signal input part that the pattern of pattern switch driving circuit is switched the micro controller system 1 on driving signal output part and light transmittance auto-adjustment control circuit joins, power circuit and A/D converter 2, micro controller system 2, pattern switch driving circuit joins.
The technique effect that the utility model can reach is:
Automotive sunshade panel of the present utility model is provided with pattern and switches photoreceptor, switches for the illumination difference of day and night, has ensured the accuracy of liquid crystal light valve plate light transmittance.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model automotive sunshade panel;
Fig. 2 is the light transmittance auto-adjustment control circuit block diagram of the utility model automotive sunshade panel;
Fig. 3 is pattern automatic switching control circuit block diagram day and night of the utility model automotive sunshade panel;
Fig. 4 is the total control circuit block diagram of the utility model automotive sunshade panel.
Description of reference numerals in figure:
1 is shell; 2 is liquid crystal light valve plate;
3 is pattern switching photoreceptor; 4 is photo-sensitive cell;
5 is right fixed support; 6 is left fixed support.
Detailed description of the invention
As shown in Figure 1, the utility model provides a kind of automotive sunshade panel, comprise shell (1), be embedded in the liquid crystal light valve plate (2) in shell (1) and be arranged on the fixed support on shell (1) top, described shell is placed with photosensitive circuit module in (1), described shell (1) one side is provided with pattern and switches photoreceptor (3), on shell (1), the one side of Windshield is provided with to photo-sensitive cell (4), described photosensitive circuit module comprises the control module that automatically switches light transmittance auto-adjustment control module and day and night, pattern is switched photoreceptor (3) and is connected with the control module that automatically switches day and night, photo-sensitive cell (4) is connected with light transmittance auto-adjustment control module.
Described fixed support comprises left fixed support (6) and right fixed support (5), and circumscripted power line is connected with the photosensitive circuit module being arranged in shell (1) through the endoporus of left fixed support (6).
As shown in Figure 2, light transmittance auto-adjustment control circuit is contained in photosensitive circuit module, comprise photo-sensitive cell, A/D converter 1, micro controller system 1, liquid crystal light valve driving circuit, liquid crystal light valve, power circuit, wherein the signal input part of the signal output part of photo-sensitive cell and A/D converter 1 joins, the signal input part of the signal output part of A/D converter 1 and micro controller system 1 joins, the optical drive signal output part of micro controller system 1 and the input end of liquid crystal light valve driving circuit join, the mouth of liquid crystal light valve driving circuit and the mouth of liquid crystal light valve join, power circuit and A/D converter 1, micro controller system 1, liquid crystal light valve driving circuit joins.
As Fig. 3, shown in Fig. 4, day and night, pattern automatic switching control circuit was contained in photosensitive circuit module, comprise pattern switching photoreceptor, A/D converter 2, micro controller system 2, pattern switch driving circuit, power circuit, wherein the pattern switching signal output part of photoreceptor and the signal input part of A/D converter 2 join, the signal input part of the signal output part of A/D converter 2 and micro controller system 2 joins, the optical drive signal output part of micro controller system 2 and the input end of pattern switch driving circuit join, now, another signal input part that the pattern of pattern switch driving circuit is switched the micro controller system 1 on driving signal output part and light transmittance auto-adjustment control circuit joins, power circuit and A/D converter 2, micro controller system 2, pattern switch driving circuit joins.
In sun shield is fixed on car time, under natural lighting on daytime, illumination variation is poor little, pattern is switched photoreceptor optical signal is passed to A/D converter 2, and the light valve drive signal producing after micro controller system 2 calculates passes to pattern switch driving circuit, then pattern is switched and is driven signal to pass to micro controller system 1, now, the computation schema of micro controller system 1 changes, and sensitivity makes light valve drive signal strength entirety higher.When light is stronger, photocurrent is larger, and the light valve drive signal producing after micro controller system 1 calculates is stronger, and the voltage that liquid crystal light valve driving circuit produces is higher, and the light transmittance of liquid crystal light valve is lower; Otherwise light is more weak, the light transmittance of liquid crystal light valve is higher.
At night, illumination variation is poor larger, and micro controller system 1 is switched to another computation schema, the light valve drive signal entirety of generation a little less than, the light transmittance entirety of liquid crystal light valve is raise.
Claims (4)
1. an automotive sunshade panel, comprise shell (1), be embedded in the liquid crystal light valve plate (2) in shell (1) and be arranged on the fixed support on shell (1) top, it is characterized in that: described shell is placed with photosensitive circuit module in (1), described shell (1) one side is provided with pattern and switches photoreceptor (3), on shell (1), the one side of Windshield is provided with to photo-sensitive cell (4), described photosensitive circuit module comprises the control module that automatically switches light transmittance auto-adjustment control module and day and night, pattern is switched photoreceptor (3) and is connected with the control module that automatically switches day and night, photo-sensitive cell (4) is connected with light transmittance auto-adjustment control module.
2. a kind of automotive sunshade panel according to claim 1, it is characterized in that: described fixed support comprises left fixed support (6) and right fixed support (5), circumscripted power line is connected with the photosensitive circuit module being arranged in shell (1) through the endoporus of left fixed support (6).
3. a kind of automotive sunshade panel according to claim 1, it is characterized in that: described light transmittance auto-adjustment control module comprises photo-sensitive cell, A/D converter 1, micro controller system 1, liquid crystal light valve driving circuit, liquid crystal light valve, power circuit, wherein the signal input part of the signal output part of photo-sensitive cell and A/D converter 1 joins, the signal input part of the signal output part of A/D converter 1 and micro controller system 1 joins, the optical drive signal output part of micro controller system 1 and the input end of liquid crystal light valve driving circuit join, the mouth of liquid crystal light valve driving circuit and the mouth of liquid crystal light valve join, power circuit and A/D converter 1, micro controller system 1, liquid crystal light valve driving circuit joins.
4. according to a kind of automotive sunshade panel described in claim 1 or 3, it is characterized in that: the control module that automatically switches described day and night comprises pattern switching photoreceptor, A/D converter 2, micro controller system 2, pattern switch driving circuit, power circuit, wherein the pattern switching signal output part of photoreceptor and the signal input part of A/D converter 2 join, the signal input part of the signal output part of A/D converter 2 and micro controller system 2 joins, the optical drive signal output part of micro controller system 2 and the input end of pattern switch driving circuit join, now, another signal input part that the pattern of pattern switch driving circuit is switched the micro controller system 1 on driving signal output part and light transmittance auto-adjustment control circuit joins, power circuit and A/D converter 2, micro controller system 2, pattern switch driving circuit joins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420107143.8U CN203727144U (en) | 2014-03-11 | 2014-03-11 | Automotive sunvisor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420107143.8U CN203727144U (en) | 2014-03-11 | 2014-03-11 | Automotive sunvisor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203727144U true CN203727144U (en) | 2014-07-23 |
Family
ID=51197245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420107143.8U Expired - Fee Related CN203727144U (en) | 2014-03-11 | 2014-03-11 | Automotive sunvisor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203727144U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223728A (en) * | 2015-10-30 | 2016-01-06 | 郝晓刚 | A kind of assembly method of the liquid crystal board based on liquid crystal shading device |
| CN106347082A (en) * | 2016-10-26 | 2017-01-25 | 苏州万隆汽车零部件股份有限公司 | Adjustable automobile sun-shading board |
| CN106994885A (en) * | 2016-01-25 | 2017-08-01 | 光宝智能科技浙江有限公司 | Automotive intelligent sunshading board |
| CN108594496A (en) * | 2017-01-17 | 2018-09-28 | 广东东箭汽车科技股份有限公司 | A kind of automobile-used anti-dazzle arrangement |
-
2014
- 2014-03-11 CN CN201420107143.8U patent/CN203727144U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223728A (en) * | 2015-10-30 | 2016-01-06 | 郝晓刚 | A kind of assembly method of the liquid crystal board based on liquid crystal shading device |
| CN105223728B (en) * | 2015-10-30 | 2019-03-08 | 郝晓刚 | A kind of assembly method of the liquid crystal board based on liquid crystal shading 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 |
| CN106347082A (en) * | 2016-10-26 | 2017-01-25 | 苏州万隆汽车零部件股份有限公司 | Adjustable automobile sun-shading board |
| CN108594496A (en) * | 2017-01-17 | 2018-09-28 | 广东东箭汽车科技股份有限公司 | A kind of automobile-used anti-dazzle arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |