CN106125336A - A kind of light transmittance controls device and control method thereof - Google Patents
A kind of light transmittance controls device and control method thereof Download PDFInfo
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- CN106125336A CN106125336A CN201610718609.1A CN201610718609A CN106125336A CN 106125336 A CN106125336 A CN 106125336A CN 201610718609 A CN201610718609 A CN 201610718609A CN 106125336 A CN106125336 A CN 106125336A
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- light
- light intensity
- strategy
- apparent direction
- light transmittance
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/102—Photochromic filters
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a kind of light transmittance and control device and control method thereof.This control method is applied to include that in the system of light penetrating panel, the first photo-sensitive cell, the second photo-sensitive cell and control circuit, the method includes: described first photo-sensitive cell is in order to detect the light intensity of autonomous apparent direction；Described second photo-sensitive cell is in order to detect the light intensity from non-master apparent direction；The light intensity of described main apparent direction and the light intensity of described non-master apparent direction are all mated with the multiple strategies preset by described control circuit；Wherein, the strategy preset includes: the constant strategy of light intensity, high light strategy, round the clock strategy, strategy on daytime, strategy at night, tunnel strategy, bridge opening strategy；After coupling, described control circuit is based on the light transmittance of light penetrating panel described in the strategy adjustment mated.This kind of light transmittance controls device and control method thereof so that user by day, night and day and night handing-over time-division, all can reasonably be automatically adjusted light transmittance, effectively prevent dazzle.
Description
Technical field
The present invention relates to abblendbar technical field, specifically, relate to a kind of light transmittance and control device and controlling party thereof
Method.
Background technology
See and take aim at equipment (glasses, sunshade mirror, inside rear-view mirror, outside rear-view mirror etc.) and the most do not possess anti-dazzle for most of auxiliary group on market
Function, when strong illumination, easily stimulates the eyes of people, eyes is caused damage.Generally in the environment of there is strong illumination,
People can select wear dark glasses, and the light transmittance of sunglasses is relatively low, to reduce the light intensity injecting human eye.But, due to the range of activity of people
Relatively big, the light intensity of surrounding also can be continually changing, but the light transmittance of sunglasses is but constant so that people are in different light intensity
In the environment of, degree of getting a clear view is affected, and especially at dusk, common sunglasses are to use, in this case, if front
Side has carried out high light, human eye can be caused damage equally.
For solving the problems referred to above, there is also the glasses that can be automatically adjusted eyeglass light transmittance in the market.At glasses
Front end arranges a photo-sensitive cell, when sensing that light intensity is stronger, reduces the light transmittance of eyeglass；When sensing that light intensity is more weak, increase
Add the light transmittance of eyeglass.Reach, with this, the problem of avoiding damaging human eye under strong light environment, play certain abblendbar.
But, the range of activity of people is relatively big, and surrounding is more complicated, changes the biggest.
First aspect, anti-dazzle spectacles of the prior art, before running into ambient light during change, reacts slower, it is difficult to meet
Some specific environment.Such as, when people is when driving a car, if a front automobile that open headlight suddenly, anti-dazzle
The light transmittance of glasses changes not in time, it is impossible to play anti-dazzle purpose.Particularly vehicle flowrate is big, or automobile is opened in and has tree
Time on shady road, Glasses detection to light intensity change promptly, glasses cannot be made and reacting timely, it is difficult to play anti-dazzle
Purpose.
Second aspect, existing glasses only detect the light intensity of front end rather than the overall light intensity considering surrounding, it is impossible to
Reach the purpose of scientific and reasonable adjustment eyeglass light transmittance.Such as, when front end is bulb source, and side is sunlight.This situation
Under, bulb source is compared with sunlight, for weak light source.Now, glasses also can reduce light transmittance, affects getting a clear view of user
Degree.It is also unnecessary that this situation also reduces glasses light transmittance.
It follows that current anti-glare glasses all can not well protect the eyes of user.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to overcome the defect of prior art, it is provided that a kind of printing opacity
Rate control method, is applied to include in the system of light penetrating panel, the first photo-sensitive cell, the second photo-sensitive cell and control circuit, should
Method includes:
Described first photo-sensitive cell is in order to detect the light intensity of autonomous apparent direction；
Described second photo-sensitive cell is in order to detect the light intensity from non-master apparent direction；
The light intensity of described main apparent direction and the light intensity of described non-master apparent direction are all many with default by described control circuit
Individual strategy mates；
Wherein, preset strategy include: the constant strategy of light intensity, high light strategy, round the clock strategy, daytime strategy, night strategy,
Tunnel strategy, bridge opening strategy；
After coupling, described control circuit is based on the light transmittance of light penetrating panel described in the strategy adjustment mated.
In some embodiments, the constant strategy of described light intensity includes:
When described main apparent direction light intensity is constant, the light transmittance that described control circuit regulates described light penetrating panel is non-with described
Main apparent direction light intensity is Negative correlation；
Or it is Negative correlation with the rate of change of described non-master apparent direction light intensity；
When non-master apparent direction light intensity is constant, described control circuit regulates the light transmittance of described light penetrating panel and described master
Apparent direction light intensity is Negative correlation；
Or it is Negative correlation with the rate of change of described main apparent direction light intensity.
In some embodiments, described high light strategy includes:
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity strengthens, the regulation of described control circuit is described
The light transmittance of light penetrating panel reduces；
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity no longer changes after strengthening, described transparent surface
The light transmittance of plate is constant；
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity weakens after strengthening again, described control circuit
The light transmittance regulating described light penetrating panel postpones to decline.
In some embodiments, described strategy round the clock includes:
Preset the excursion of described non-master apparent direction light intensity；
When described non-master apparent direction light intensity within the range time, described control circuit regulate described light penetrating panel light transmittance
It is Negative correlation with described non-master apparent direction light intensity；
Or with the rate of change of described non-master apparent direction light intensity in becoming Negative correlation.
In some embodiments, strategy on described daytime includes:
Preset the maximum of the change of described non-master apparent direction light intensity；
When described non-master apparent direction light intensity exceedes described maximum, described control circuit regulates the saturating of described light penetrating panel
Light rate and described non-master apparent direction light intensity are Negative correlation；
Or with the rate of change of described non-master apparent direction light intensity in becoming Negative correlation.
In some embodiments, strategy at described night includes:
Preset the minima of the change of described non-master apparent direction light intensity；
When described non-master apparent direction light intensity is less than described minima, described control circuit regulates the saturating of described light penetrating panel
Light rate and described non-master apparent direction light intensity are Negative correlation；
Or with the rate of change of described non-master apparent direction light intensity in becoming Negative correlation.
In some embodiments, described tunnel strategy includes: after entering tunnel, described control circuit is according to described night
The light transmittance of light penetrating panel described in strategy adjustment.
In some embodiments, described bridge opening strategy includes: after entering bridge opening, and described control circuit is according to strategy on daytime
Light transmittance with light penetrating panel described in high light strategy adjustment.
Present invention also offers a kind of light transmittance and control device, including light penetrating panel, and it is vertical to be placed in described light penetrating panel
Nogata to the first photo-sensitive cell, be placed in the second photo-sensitive cell of described light penetrating panel non-vertical direction, and with described first
The control circuit that photo-sensitive cell and the second photo-sensitive cell are all connected with；Described light penetrating panel includes the first polaroid, the first ito glass
Layer, empty stratum nucleare, the second ito glass layer and the second polaroid；Described empty stratum nucleare is filled with liquid crystal material；Described control circuit in order to
Regulate the voltage between described first ito glass layer and described second ito glass layer, thus regulate the printing opacity of described liquid crystal material
Rate.
In some embodiments, delay circuit and table look-up device are also included；Described control circuit and described transparent surface
Plate is all connected with described delay circuit；Described delay circuit is in order to postpone the change of described light penetrating panel light transmittance；
Described table look-up device is all connected with described control circuit, described first photo-sensitive cell and described second photo-sensitive cell；
Described table look-up device is provided with some gears；The model of the light intensity that corresponding described first photo-sensitive cell of each described gear detects
Enclose, the scope of light intensity that described second photo-sensitive cell detects, and the light transmittance values of a described light penetrating panel.
A kind of light transmittance that the present invention provides controls device and control method provides the benefit that:
The light transmittance that the application provides controls device, detects auxiliary group respectively by the first photo-sensitive cell and the second photo-sensitive cell
Seeing and take aim at the main apparent direction of equipment and the light intensity of non-master apparent direction, then according to both parameters, and the strategy preset mates；In advance
If strategy include: the constant strategy of light intensity, high light strategy, round the clock strategy, strategy on daytime, strategy at night, tunnel strategy, bridge opening plan
Slightly；Above-mentioned strategy covers real-life several scenes.
After coupling, control circuit light transmittance based on the strategy adjustment light penetrating panel mated.
Owing to strategy covers multiple real life scenarios, the light transmittance of light penetrating panel can be more rationally according to user institute
The light intensity of place's environment is changed, it is to avoid sees equipment of taking aim at for auxiliary group and occurs that the visual field is unintelligible or high light damages people's eye problem.By in advance
If the setting of strategy, it is ensured that auxiliary group of sight is taken aim at equipment and can be applicable to various complex environment.
In sum, use this kind of light transmittance to control device and control method thereof so that user by day, night and
The day and night handing-over time-division, all can reasonably be automatically adjusted light transmittance, effectively prevent dazzle, create more preferably for user
The visual field, especially drive time use, considerably increase the safety of user.This light transmittance controls device and control method has
Preferably application potential and widely market prospect.
Detailed description of the invention
Embodiments of the invention are described below in detail.In describing the invention, it is to be understood that term " length ",
" width ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", be only for
It is easy to describe the present invention and simplifying describe rather than instruction or the device of hint indication or element must have a specific side
Position, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be machinery
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units
Connection within part or the interaction relationship of two elements.For the ordinary skill in the art, can be according to tool
Body situation understands above-mentioned term concrete meaning in the present invention.
Embodiment 1
The invention provides a kind of light transmittance control method, be applied to include light penetrating panel, the first photo-sensitive cell, the second sense
In the system of optical element and control circuit, the method includes:
Described first photo-sensitive cell is in order to detect the light intensity of autonomous apparent direction；
Described second photo-sensitive cell is in order to detect the light intensity from non-master apparent direction；
The light intensity of described main apparent direction and the light intensity of described non-master apparent direction are all many with default by described control circuit
Individual strategy mates；
Wherein, preset strategy include: the constant strategy of light intensity, high light strategy, round the clock strategy, daytime strategy, night strategy,
Tunnel strategy, bridge opening strategy；
After coupling, described control circuit is based on the light transmittance of light penetrating panel described in the strategy adjustment mated.
Above-mentioned, this light transmittance controls device, detects glasses master respectively by the first photo-sensitive cell and the second photo-sensitive cell and regards
Direction and the light intensity of non-master apparent direction, then according to both parameters, and the strategy preset mates；The strategy bag preset
Include: the constant strategy of light intensity, high light strategy, round the clock strategy, strategy on daytime, strategy at night, tunnel strategy, bridge opening strategy；Above-mentioned plan
Slightly cover real-life several scenes.
After coupling, control circuit light transmittance based on the strategy adjustment light penetrating panel mated.
Owing to strategy covers multiple real life scenarios, the light transmittance of light penetrating panel can be more rationally according to user institute
The light intensity of place's environment is changed, it is to avoid sees equipment of taking aim at for auxiliary group and occurs that the visual field is unintelligible or high light damages people's eye problem.By in advance
If the setting of strategy, it is ensured that auxiliary group of sight is taken aim at equipment and can be applicable to various complex environment.
It is to be appreciated that the strategy preset can also be replaced, to adapt to more application scenarios.
It is to be appreciated that when user uses this light transmittance to control device in tree shade, this light transmittance controls device
According to the particular content in high light strategy, by the light transmittance of control circuit regulation light penetrating panel.Specifically, when described master regards side
During to light intensity or/and described non-master apparent direction light intensity strengthens, described control circuit regulates the light transmittance of described light penetrating panel and reduces；
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity no longer changes after strengthening, described transparent surface
The light transmittance of plate is constant；
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity weakens after strengthening again, described control circuit
The light transmittance regulating described light penetrating panel postpones to decline.
It is understood that the delay decline of light transmittance can effective pre-stabilization.
It is understood that use this kind of light transmittance to control device and control method thereof so that user by day, night
And the day and night handing-over time-division, all can reasonably be automatically adjusted light transmittance, effectively prevent dazzle, create for user
The preferably visual field, uses when especially driving, considerably increases the safety of user.This light transmittance controls device and controlling party thereof
Method has preferable application potential and market prospect widely.
Further, the constant strategy of described light intensity includes:
When described main apparent direction light intensity is constant, the light transmittance that described control circuit regulates described light penetrating panel is non-with described
Main apparent direction light intensity is Negative correlation；
Or it is Negative correlation with the rate of change of described non-master apparent direction light intensity；
When non-master apparent direction light intensity is constant, described control circuit regulates the light transmittance of described light penetrating panel and regards with described master
Direction light intensity is Negative correlation；
Or it is Negative correlation with the rate of change of described main apparent direction light intensity.
Further, described high light strategy includes:
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity strengthens, the regulation of described control circuit is described
The light transmittance of light penetrating panel reduces；
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity no longer changes after strengthening, described transparent surface
The light transmittance of plate is constant；
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity weakens after strengthening again, described control circuit
The light transmittance regulating described light penetrating panel postpones to decline.
Further, described strategy round the clock includes:
Preset the excursion of described non-master apparent direction light intensity；
When described non-master apparent direction light intensity within the range time, described control circuit regulate described light penetrating panel light transmittance
It is Negative correlation with described non-master apparent direction light intensity；
Or with the rate of change of described non-master apparent direction light intensity in becoming Negative correlation.
Further, strategy on described daytime includes:
Preset the maximum of the change of described non-master apparent direction light intensity；
When described non-master apparent direction light intensity exceedes described maximum, described control circuit regulates the saturating of described light penetrating panel
Light rate and described non-master apparent direction light intensity are Negative correlation；
Or with the rate of change of described non-master apparent direction light intensity in becoming Negative correlation.
Further, strategy at described night includes:
Preset the minima of the change of described non-master apparent direction light intensity；
When described non-master apparent direction light intensity is less than described minima, described control circuit regulates the saturating of described light penetrating panel
Light rate and described non-master apparent direction light intensity are Negative correlation；
Or with the rate of change of described non-master apparent direction light intensity in becoming Negative correlation.
Further, described tunnel strategy includes: enter after tunnel, and described control circuit is according to strategy adjustment institute at described night
State the light transmittance of light penetrating panel.
Further, described bridge opening strategy includes: after entering bridge opening, and described control circuit is according to strategy on daytime and high light plan
Slightly regulate the light transmittance of described light penetrating panel.
Present invention also offers a kind of light transmittance and control device, including light penetrating panel, and it is vertical to be placed in described light penetrating panel
Nogata to the first photo-sensitive cell, be placed in the second photo-sensitive cell of described light penetrating panel non-vertical direction, and with described first
The control circuit that photo-sensitive cell and the second photo-sensitive cell are all connected with；Described light penetrating panel includes the first polaroid, the first ito glass
Layer, empty stratum nucleare, the second ito glass layer and the second polaroid；Described empty stratum nucleare is filled with liquid crystal material；Described control circuit in order to
Regulate the voltage between described first ito glass layer and described second ito glass layer, thus regulate the printing opacity of described liquid crystal material
Rate.
Further, delay circuit and table look-up device are also included；Described control circuit and described light penetrating panel are all and institute
State delay circuit to connect；Described delay circuit is in order to postpone the change of described light penetrating panel light transmittance；
Described table look-up device is all connected with described control circuit, described first photo-sensitive cell and described second photo-sensitive cell；
Described table look-up device is provided with some gears；The model of the light intensity that corresponding described first photo-sensitive cell of each described gear detects
Enclose, the scope of light intensity that described second photo-sensitive cell detects, and the light transmittance values of a described light penetrating panel.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises one
Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say
Bright book is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can
With other embodiments understood.
Applicant states, the present invention by a series of detailed description of those listed above be only for the present invention can
Illustrating of row embodiment, but the invention is not limited in above-mentioned detailed process equipment and technological process.And the most not
Mean that the present invention should rely on above-mentioned detailed process equipment and technological process could be implemented.Person of ordinary skill in the field should
This understands, any improvement in the present invention, and the equivalence of raw material each to product of the present invention is replaced and the interpolation of auxiliary element, specifically side
The selection etc. of formula, within the scope of all falling within protection scope of the present invention and disclosure.
Claims (10)
1. a light transmittance control method, it is characterised in that be applied to include light penetrating panel, the first photo-sensitive cell, second photosensitive
In the system of element and control circuit, the method includes:
Described first photo-sensitive cell is in order to detect the light intensity of autonomous apparent direction；
Described second photo-sensitive cell is in order to detect the light intensity from non-master apparent direction；
The light intensity of described main apparent direction and the light intensity of described non-master apparent direction are all by described control circuit and the multiple plans preset
Slightly mate；
Wherein, the strategy preset includes: the constant strategy of light intensity, high light strategy, round the clock strategy, strategy on daytime, strategy at night, tunnel
Strategy, bridge opening strategy；
After coupling, described control circuit is based on the light transmittance of light penetrating panel described in the strategy adjustment mated.
2. light transmittance control method as claimed in claim 1, it is characterised in that the constant strategy of described light intensity includes:
When described main apparent direction light intensity is constant, described control circuit regulates the light transmittance of described light penetrating panel and regards with described non-master
Direction light intensity is Negative correlation；
Or it is Negative correlation with the rate of change of described non-master apparent direction light intensity；
When non-master apparent direction light intensity is constant, described control circuit regulates the light transmittance of described light penetrating panel and described main apparent direction
Light intensity is Negative correlation；
Or it is Negative correlation with the rate of change of described main apparent direction light intensity.
3. light transmittance control method as claimed in claim 1, it is characterised in that described high light strategy includes:
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity strengthens, described control circuit regulates described printing opacity
The light transmittance of panel reduces；
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity no longer changes after strengthening, described light penetrating panel
Light transmittance is constant；
During when described main apparent direction light intensity or/and described non-master apparent direction light intensity weakens after strengthening again, described control circuit regulates
The light transmittance of described light penetrating panel postpones to decline.
4. light transmittance control method as claimed in claim 1, it is characterised in that described strategy round the clock includes:
Preset the excursion of described non-master apparent direction light intensity；
When described non-master apparent direction light intensity within the range time, described control circuit regulates the light transmittance of described light penetrating panel and institute
Stating non-master apparent direction light intensity is Negative correlation；
Or with the rate of change of described non-master apparent direction light intensity in becoming Negative correlation.
5. light transmittance control method as claimed in claim 1, it is characterised in that described daytime, strategy included:
Preset the maximum of the change of described non-master apparent direction light intensity；
When described non-master apparent direction light intensity exceedes described maximum, described control circuit regulates the light transmittance of described light penetrating panel
It is Negative correlation with described non-master apparent direction light intensity；
Or with the rate of change of described non-master apparent direction light intensity in becoming Negative correlation.
6. light transmittance control method as claimed in claim 1, it is characterised in that described night, strategy included:
Preset the minima of the change of described non-master apparent direction light intensity；
When described non-master apparent direction light intensity is less than described minima, described control circuit regulates the light transmittance of described light penetrating panel
It is Negative correlation with described non-master apparent direction light intensity；
Or with the rate of change of described non-master apparent direction light intensity in becoming Negative correlation.
7. light transmittance control method as claimed in claim 1, it is characterised in that described tunnel strategy includes: after entering tunnel, institute
State the control circuit light transmittance according to light penetrating panel described in described night strategy adjustment.
8. light transmittance control method as claimed in claim 1, it is characterised in that bridge opening strategy includes, after entering bridge opening, described
Control circuit is according to the light transmittance of light penetrating panel described in strategy on daytime and high light strategy adjustment.
9. a light transmittance controls device, it is characterised in that includes light penetrating panel, and is placed in described light penetrating panel vertical direction
The first photo-sensitive cell, be placed in the second photo-sensitive cell of described light penetrating panel non-vertical direction, and with described first photosensitive yuan
The control circuit that part and the second photo-sensitive cell are all connected with；Described light penetrating panel includes the first polaroid, the first ito glass layer, sky
Stratum nucleare, the second ito glass layer and the second polaroid；Described empty stratum nucleare is filled with liquid crystal material；Described control circuit is in order to regulate
Voltage between described first ito glass layer and described second ito glass layer, thus regulate the light transmittance of described liquid crystal material.
10. light transmittance as claimed in claim 9 controls device, it is characterised in that also include delay circuit and table look-up device；
Described control circuit and described light penetrating panel are all connected with described delay circuit；Described delay circuit is in order to postpone described transparent surface
The change of plate light transmittance；
Described table look-up device is all connected with described control circuit, described first photo-sensitive cell and described second photo-sensitive cell；Described
Table look-up device is provided with some gears；The scope of the light intensity that corresponding described first photo-sensitive cell of each described gear detects,
The scope of the light intensity that one described second photo-sensitive cell detects, and the light transmittance values of a described light penetrating panel.
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| CN201610718609.1A CN106125336A (en) | 2016-08-24 | 2016-08-24 | A kind of light transmittance controls device and control method thereof |
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| CN201610718609.1A CN106125336A (en) | 2016-08-24 | 2016-08-24 | A kind of light transmittance controls device and control method thereof |
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| CN110545338B (en) * | 2018-05-29 | 2021-05-04 | 青岛海信移动通信技术股份有限公司 | Display device and control method thereof |
| CN110244472A (en) * | 2019-05-13 | 2019-09-17 | 北京百度网讯科技有限公司 | A kind of glasses local transparent rate adjusting method, system and glasses |
| CN110244472B (en) * | 2019-05-13 | 2021-03-19 | 北京百度网讯科技有限公司 | Glasses local light transmittance adjusting method and system and glasses |
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Application publication date: 20161116 |