CN106384574A - Backlight adjustment method of intelligent rearview mirror and system thereof - Google Patents
Backlight adjustment method of intelligent rearview mirror and system thereof Download PDFInfo
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- CN106384574A CN106384574A CN201610102586.1A CN201610102586A CN106384574A CN 106384574 A CN106384574 A CN 106384574A CN 201610102586 A CN201610102586 A CN 201610102586A CN 106384574 A CN106384574 A CN 106384574A
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- backlight
- back vision
- vision mirror
- intelligent back
- intensity level
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a backlight adjustment method of an intelligent rearview mirror and a system thereof and relates to the vehicle illumination technology field. The backlight adjustment method of the intelligent rearview mirror comprises the following steps of collecting outside light intensity information; determining a light intensity grade corresponding to the outside light intensity information, wherein the different light intensity grades correspond to different backlight brightness of the intelligent rearview mirror; and according to the light intensity grade corresponding to the outside light intensity information, adjusting the backlight brightness. By using the backlight adjustment method of the intelligent rearview mirror and the system thereof, according to the outside light intensity information, the backlight brightness of the intelligent rearview mirror can be automatically adjusted; manual adjustment is not needed and a driving risk is reduced; and intelligent rearview mirror energy consumption can be effectively reduced and usage time of an automobile storage battery is prolonged.
Description
Technical field
The present invention relates to car lighting technical field, more particularly, to a kind of backlight adjusting method of intelligent back vision mirror
And system.
Background technology
With the continuous progress of automotive engineering, the safety of car steering and convenience increasingly receive publicity.
During user drives, the brightness of external environment is likely to occur change, such as rolls away from from tunnel,
Ambient light change is possible to the image causing driver not see shown by rearview mirror LCD below, so
Need driver manually constantly to carry out LCD brightness regulation in driving procedure, increased potential safety hazard.
Content of the invention
In view of this, the present invention provides a kind of backlight adjusting method of intelligent back vision mirror and system, in order to solve
The technical problem of potential safety hazard is produced because intelligent back vision mirror brightness regulation is complicated in prior art.
The present invention solves above-mentioned technical problem by following technological means：
One aspect of the present invention provides a kind of backlight adjusting method of intelligent back vision mirror, including：
The extraneous intensity signal of collection；
Determine the described external world corresponding intensity level of intensity signal, wherein, the corresponding intelligence of different intensity level
The different backlight illumination of rearview mirror；
According to described external world intensity signal corresponding intensity level adjusting backlight luminance.
Further, described collection external world light intensity packet includes：
Extraneous intensity signal is gathered with predetermined period by light sense chip, light sensor or luminance sensor,
Sampling processing is carried out to described external world intensity signal.
Further, described intensity level is from small to large according to predetermined interval by intelligent back vision mirror backlight illumination
Multiple intervals that value is divided into.
Further, described predetermined interval value is the 20% of intelligent back vision mirror backlight illumination；
Then described intensity level includes：
I intensity level, corresponding brightness is interval to be the 0～20% of intelligent back vision mirror backlight illumination；
Ii intensity level, corresponding brightness is interval to be the 20～40% of intelligent back vision mirror backlight illumination；
Ii I intensity level, corresponding brightness is interval to be the 40～60% of intelligent back vision mirror backlight illumination；
Iv intensity level, corresponding brightness is interval to be the 60～80% of intelligent back vision mirror backlight illumination；
V intensity level, corresponding brightness is interval to be the 80～100% of intelligent back vision mirror backlight illumination.
Further, the described determination described external world corresponding intensity level of intensity signal includes：
Described external world intensity signal is converted into intelligent back vision mirror backlight illumination ratio；
Described intelligent back vision mirror backlight illumination is defined as described external world intensity signal than the interval being located corresponding
Intensity level.
Further, described according to described the external world intensity signal corresponding intensity level adjusting backlight luminance include：
The described external world corresponding intensity level of intensity signal is compared with etalon optical power, reduces or increase intelligence
The backlight drive electric current adjusting backlight luminance of energy rearview mirror.
Further, with the backlight drive electric current of gradual manner reduction or increase intelligent back vision mirror.
Further, when the described external world, the corresponding intensity level of intensity signal corresponds to same light in Preset Time
During strong grade, according to described external world intensity signal corresponding intensity level adjusting backlight luminance.
Another aspect of the present invention provides a kind of backlight regulating system of intelligent back vision mirror, including：
Harvester, for gathering extraneous intensity signal；
Determine device, for determining the described external world corresponding intensity level of intensity signal, wherein, different light
The different backlight illumination of the corresponding intelligent back vision mirror of strong grade；
Adjusting means, for according to described external world intensity signal corresponding intensity level adjusting backlight luminance.
Further, described harvester is light sense chip, light sensor or luminance sensor.
The backlight adjusting method of intelligent back vision mirror and system that the present invention provides, can be according to extraneous intensity signal
Automatically adjust intelligent back vision mirror backlight illumination, need not manually adjust, reduce and drive risk.And can have
Effect ground reduces intelligent back vision mirror energy consumption, extends the use time of automobile storage battery.
Brief description
Fig. 1 is a kind of flow chart of the backlight adjusting method of intelligent back vision mirror that the embodiment of the present invention one provides；
Fig. 2 is a kind of structured flowchart of the backlight regulating system of intelligent back vision mirror that the embodiment of the present invention two provides.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by it is clear that described embodiment is only a part of embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that obtained, broadly fall into the scope of protection of the invention.
Embodiment one
The present invention provides a kind of backlight adjusting method of intelligent back vision mirror, and referring to Fig. 1, the method includes：
101st, gather extraneous intensity signal；
This step is outer with predetermined period collection especially by light sense chip, light sensor or luminance sensor
Boundary's intensity signal, carries out sampling processing to described external world intensity signal.Can be by the different intensity signals collecting
It is converted into different magnitudes of voltage and exports to baseband chip or control system CPU, general light intensity value gets over the electricity of height output
Pressure value is bigger, and light intensity value more low output voltage value is less.
102nd, determine the described external world corresponding intensity level of intensity signal, wherein, different intensity level corresponds to
The different backlight illumination of intelligent back vision mirror；
Wherein, described intensity level is to divide intelligent back vision mirror backlight illumination from small to large according to predetermined interval value
The multiple intervals becoming.
In one preferably real-time mode, described predetermined interval value is the 20% of intelligent back vision mirror backlight illumination；
Then described intensity level includes：
I intensity level, corresponding brightness is interval to be the 0～20% of intelligent back vision mirror backlight illumination；
Ii intensity level, corresponding brightness is interval to be the 20～40% of intelligent back vision mirror backlight illumination；
Ii I intensity level, corresponding brightness is interval to be the 40～60% of intelligent back vision mirror backlight illumination；
Iv intensity level, corresponding brightness is interval to be the 60～80% of intelligent back vision mirror backlight illumination；
V intensity level, corresponding brightness is interval to be the 80～100% of intelligent back vision mirror backlight illumination.
This step specifically includes：
1021st, described external world intensity signal is converted into intelligent back vision mirror backlight illumination ratio；
1022nd, described intelligent back vision mirror backlight illumination is defined as described external world intensity signal than the interval being located
Corresponding intensity level.
103rd, according to described external world intensity signal corresponding intensity level adjusting backlight luminance.
Specifically, by described the external world the corresponding intensity level of intensity signal compare with etalon optical power, reduction or
Person increases the backlight drive electric current adjusting backlight luminance of intelligent back vision mirror.
Wherein, etalon optical power is the optimal light intensity in the case of the no ambient light impact of intelligent back vision mirror backlight.
When the described external world corresponding intensity level of intensity signal is more than etalon optical power, reduce intelligent back vision mirror
Backlight drive electric current adjusting backlight luminance.Specifically can be driven by the backlight that gradual manner reduces intelligent back vision mirror
Streaming current.
When the described external world corresponding intensity level of intensity signal is less than etalon optical power, increase intelligent back vision mirror
Backlight drive electric current adjusting backlight luminance.Specifically can be driven by the backlight that gradual manner increases intelligent back vision mirror
Streaming current.
As one kind preferably embodiment, when the described external world corresponding intensity level of intensity signal is when default
During the same intensity level of interior correspondence, that is, the correspondence of extraneous intensity signal corresponding intensity level sustaining temperature with
During one intensity level, according to described external world intensity signal corresponding intensity level adjusting backlight luminance.Can keep away
Exempt from that the corresponding intensity level of extraneous intensity signal is unstable and frequent adjusting backlight luminance reduces backlight life.
The backlight adjusting method of the intelligent back vision mirror that the present invention provides, can adjust automatically according to extraneous intensity signal
Section intelligent back vision mirror backlight illumination, need not manually be adjusted, and reduce and drive risk.And can effectively drop
Mentally handicapped energy rearview mirror energy consumption, extends the use time of automobile storage battery.
Embodiment two
The embodiment of the present invention two provides a kind of backlight regulating system of intelligent back vision mirror, as shown in Fig. 2 this is
System includes：
Harvester 21, for gathering extraneous intensity signal；
Determine device 22, for determining the described external world corresponding intensity level of intensity signal, wherein, different
The different backlight illumination of the corresponding intelligent back vision mirror of intensity level；
Adjusting means 23, for according to described external world intensity signal corresponding intensity level adjusting backlight luminance.
Wherein, described harvester 21 can be light sense chip, light sensor or luminance sensor.Institute
Stating determination device 22 and adjusting means 23 can be baseband chip or control system CPU.
The backlight regulating system of the intelligent back vision mirror that the embodiment of the present invention two provides can execute in embodiment one
Each step of the backlight adjusting method of intelligent back vision mirror, will not be described here.
In sum, the present invention provides the backlight adjusting method of intelligent back vision mirror and system, can be according to outer
Boundary's intensity signal automatically adjusts intelligent back vision mirror backlight illumination, need not manually adjust, and reduces and drives risk.
And intelligent back vision mirror energy consumption can be effectively reduced, extend the use time of automobile storage battery.
It should be noted that one of ordinary skill in the art will appreciate that realizing complete in above-described embodiment method
Portion or part flow process, can be by computer program to complete come the hardware to instruct correlation, described program
Can be stored in a computer read/write memory medium, this program is upon execution, it may include such as above-mentioned each method
Embodiment flow process.Wherein, described storage medium can be magnetic disc, CD, read-only memory
(Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM)
Deng.
The above is the preferred embodiment of the present invention it is noted that common skill for the art
For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, this
A little improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of backlight adjusting method of intelligent back vision mirror is it is characterised in that include：
The extraneous intensity signal of collection；
Determine the described external world corresponding intensity level of intensity signal, wherein, the corresponding intelligence of different intensity level
The different backlight illumination of rearview mirror；
According to described external world intensity signal corresponding intensity level adjusting backlight luminance.
2. intelligent back vision mirror according to claim 1 backlight adjusting method it is characterised in that：Described
The extraneous light intensity packet of collection includes：
Extraneous intensity signal is gathered with predetermined period by light sense chip, light sensor or luminance sensor,
Sampling processing is carried out to described external world intensity signal.
3. the backlight adjusting method of intelligent back vision mirror according to claim 1 is it is characterised in that described
Intensity level is the multiple intervals being divided into intelligent back vision mirror backlight illumination from small to large according to predetermined interval value.
4. intelligent back vision mirror according to claim 3 backlight adjusting method it is characterised in that：Described
Predetermined interval value is the 20% of intelligent back vision mirror backlight illumination；
Then described intensity level includes：
I intensity level, corresponding brightness is interval to be the 0～20% of intelligent back vision mirror backlight illumination；
Ii intensity level, corresponding brightness is interval to be the 20～40% of intelligent back vision mirror backlight illumination；
Ii I intensity level, corresponding brightness is interval to be the 40～60% of intelligent back vision mirror backlight illumination；
Iv intensity level, corresponding brightness is interval to be the 60～80% of intelligent back vision mirror backlight illumination；
V intensity level, corresponding brightness is interval to be the 80～100% of intelligent back vision mirror backlight illumination.
5. the backlight adjusting method of intelligent back vision mirror according to claim 4 and device it is characterised in that：
The described determination described external world corresponding intensity level of intensity signal includes：
Described external world intensity signal is converted into intelligent back vision mirror backlight illumination ratio；
Described intelligent back vision mirror backlight illumination is defined as described external world intensity signal than the interval being located corresponding
Intensity level.
6. the backlight adjusting method of intelligent back vision mirror according to claim 5 is it is characterised in that described
Included according to described external world intensity signal corresponding intensity level adjusting backlight luminance：
The described external world corresponding intensity level of intensity signal is compared with etalon optical power, reduces or increase intelligence
The backlight drive electric current adjusting backlight luminance of energy rearview mirror.
7. the backlight adjusting method of intelligent back vision mirror according to claim 6 is it is characterised in that with gradually
Change mode reduces or increases the backlight drive electric current of intelligent back vision mirror.
8. the backlight adjusting method of intelligent back vision mirror according to claim 5 is it is characterised in that work as institute
State the corresponding intensity level of extraneous intensity signal in Preset Time during corresponding same intensity level, according to described
The corresponding intensity level adjusting backlight luminance of extraneous intensity signal.
9. a kind of backlight regulating system of intelligent back vision mirror is it is characterised in that include：
Harvester, for gathering extraneous intensity signal；
Determine device, for determining the described external world corresponding intensity level of intensity signal, wherein, different light
The different backlight illumination of the corresponding intelligent back vision mirror of strong grade；
Adjusting means, for according to described external world intensity signal corresponding intensity level adjusting backlight luminance.
10. the backlight regulating system of intelligent back vision mirror according to claim 9 is it is characterised in that institute
Stating harvester is light sense chip, light sensor or luminance sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610102586.1A CN106384574A (en) | 2016-02-24 | 2016-02-24 | Backlight adjustment method of intelligent rearview mirror and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610102586.1A CN106384574A (en) | 2016-02-24 | 2016-02-24 | Backlight adjustment method of intelligent rearview mirror and system thereof |
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| Publication Number | Publication Date |
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| CN106384574A true CN106384574A (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610102586.1A Pending CN106384574A (en) | 2016-02-24 | 2016-02-24 | Backlight adjustment method of intelligent rearview mirror and system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108001342A (en) * | 2017-12-20 | 2018-05-08 | 东风汽车集团有限公司 | A kind of combination instrument backlight illumination self-adaption regulation system |
| CN111986627A (en) * | 2020-08-26 | 2020-11-24 | 安徽江淮汽车集团股份有限公司 | Backlight brightness adjusting method, device and equipment of vehicle-mounted double-linked screen and storage medium |
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| WO2013009058A3 (en) * | 2011-07-13 | 2013-03-14 | Lg Innotek Co., Ltd. | Apparatus and method for controlling high lamp of vehicle |
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Patent Citations (6)
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| CN201114252Y (en) * | 2007-10-17 | 2008-09-10 | 中兴通讯股份有限公司 | Portable mobile terminal |
| WO2013009058A3 (en) * | 2011-07-13 | 2013-03-14 | Lg Innotek Co., Ltd. | Apparatus and method for controlling high lamp of vehicle |
| CN202443726U (en) * | 2012-03-01 | 2012-09-19 | 深圳市领华卫通数码科技有限公司 | Backlight adaptively adjustable intelligent rearview mirror |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108001342A (en) * | 2017-12-20 | 2018-05-08 | 东风汽车集团有限公司 | A kind of combination instrument backlight illumination self-adaption regulation system |
| CN111986627A (en) * | 2020-08-26 | 2020-11-24 | 安徽江淮汽车集团股份有限公司 | Backlight brightness adjusting method, device and equipment of vehicle-mounted double-linked screen and storage medium |
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Application publication date: 20170208 |