CN106627376A - Car rearview mirror device capable of automatically adjusting brightness - Google Patents
Car rearview mirror device capable of automatically adjusting brightness Download PDFInfo
- Publication number
- CN106627376A CN106627376A CN201611015942.2A CN201611015942A CN106627376A CN 106627376 A CN106627376 A CN 106627376A CN 201611015942 A CN201611015942 A CN 201611015942A CN 106627376 A CN106627376 A CN 106627376A
- Authority
- CN
- China
- Prior art keywords
- change
- light sensor
- rearview mirror
- over circuits
- liquid crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 20
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000005433 ionosphere Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
- B60R1/0602—Rear-view mirror arrangements mounted on vehicle exterior comprising means for cleaning or deicing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/023—Cleaning windscreens, windows or optical devices including defroster or demisting means
- B60S1/026—Cleaning windscreens, windows or optical devices including defroster or demisting means using electrical means
-
- 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
- G09G3/3413—Details of control of colour illumination sources
Abstract
The invention discloses a car rearview mirror device capable of automatically adjusting brightness. According to the device, when the car encounters hard light or when the ambient light becomes dark, the rearview mirror can quickly and automatically adjust the brightness so that a driver can timely react according to conditions; in addition, an electric heating slice is arranged so as to eliminate the influence of frost to the rearview mirror, a CPU changes the brightness of an LCD(liquid crystal display) through the change of voltage, the processing procedure is intelligent, the reaction is fast, and the brightness is consistent.
Description
Technical field
The present invention relates to automotive field, particularly a kind of automobile rear view mirror device of automatic regulating lightness.
Background technology
Traditional automobile rearview mirror, when vehicle going at night, on front vehicle light-illuminating to rearview mirror,
Human eye sees and has dizziness, and to driving danger is caused.Existing anti-dazzle driving mirror is by one side particular mirror and two photosensitive two poles
Pipe and electronic controller composition, electronic controller is received before photodiode is sent and penetrates light and rear incident light signal, installed in car
Below the front windshield of railway carriage or compartment.
Manual anti-dazzle driving mirror automatic anti-glare rearview mirror can be divided into,
The principle of automatic dazzling-proof mesh rearview mirror be then the signal sent by the photodiode of front and back relatively after, then use
Electronic controller applies voltage to the ionosphere of rearview mirror, and darkening it, the high light penetrated can be sponged very by minute surface
A big part, so reflex to that the light of driver's intraocular becomes is soft, but it is this it is anti-glare have two shortcomings,
Light of the first behind car is weak compared with front of the host light, and now rearview mirror is unfavorable for that driver's reversing is seen clearly if dimmed
Situation after car.
It two is because applying voltage to ionosphere, and structure is that electrochemical substance is added in eyeglass, and eyeglass is powered, electrification
The electric current generation chemical change that material Jing flows through is learned, so as to change the light transmittance of eyeglass, eyeglass is dimmed, when light is bright, mirror
Piece brightens, and whole process reaction speed is slower, if automobile suddenly encounters high light when running at high speed, driver cannot root
Judge emergency case according to high light, it is possible to cause traffic accident.
The content of the invention
For the shortcoming of prior art, the present invention provides a kind of automobile rear view mirror device of automatic regulating lightness, the device
Realize automobile meet with high light or when dimmed ambient light rearview mirror can quick automatic regulating lightness, make driver
Timely can according to circumstances make a response, and be provided with the impact that electric heating piece eliminates rearview mirror frost.
Realizing the technical scheme of the object of the invention is：
A kind of automobile rear view mirror device of automatic regulating lightness, including the first light sensor, the second light sensor, A/D turns
Change circuit, D/A change-over circuits, CPU control units, LCD liquid crystal displays, mu balanced circuit and electric heating piece；
Second light sensor is connected with the first light sensor, A/D change-over circuits,
CPU control units are connected respectively with A/D change-over circuits, D/A change-over circuits,
LCD liquid crystal displays are connected with D/A change-over circuits,
Mu balanced circuit is connected with CPU control units, electric heating piece；
The first described light sensor is arranged at the back of display screen area, for judging daytime and night control whole device
Opening with close；
The second described light sensor is positioned over rearview mirror top, change light sensor for the power of ambient light defeated
The magnitude of voltage for going out,
First light sensor, the second light sensor, by the change of light, is led to by experiencing the change of ambient
Cross A/D change-over circuits and change into electric signal, send CPU control units to.
Further CPU control units according to electric signal again Jing digital-to-analogue conversions to reach rearview mirror LCD display corresponding
Brightness.
Described LCD liquid crystal displays adjust its optical activity by added voltage swing；
Described LCD liquid crystal displays are segmentation black and white LCD liquid crystal display, can step by step adjust brightness by changing magnitude of voltage,
The electric heating piece is control manually, for mirror heater, the globule on minute surface being removed in rainy day or greasy weather, disappears
Except the impact of sleet sky or frost；
Beneficial effect
The invention provides a kind of automobile rear view mirror device of automatic regulating lightness, the device realize automobile meet with high light or
When ambient light is dimmed rearview mirror can quick automatic regulating lightness, driver is timely according to circumstances made instead
Should, and the impact that electric heating piece eliminates rearview mirror frost is provided with, CPU changes LCD liquid crystal display brightness by the change of voltage, processes
Process intelligence, is swift in response, and brightness is consistent.
Description of the drawings
Fig. 1 is the apparatus structure schematic diagram of the present invention；
Fig. 2 is the control flow schematic diagram of the present invention.
Specific embodiment
Present invention is further elaborated with reference to the accompanying drawings and examples, but is not limitation of the invention.
Embodiment
A kind of automobile rear view mirror device of automatic regulating lightness, including the first light sensor 1, the second light sensor 2,
A/D change-over circuits 3, D/A change-over circuits 8, CPU control units 4, LCD liquid crystal displays 7, mu balanced circuit 5 and electric heating piece 6；
Second light sensor 2 is connected with the first light sensor 1, A/D change-over circuits 3,
CPU control units 4 are connected respectively with A/D change-over circuits 3, D/A change-over circuits 8,
LCD liquid crystal displays 7 are connected with D/A change-over circuits 8,
Mu balanced circuit 5 is connected with CPU control units 4, electric heating piece 6；
The first described light sensor 1 is arranged at the back of LCD liquid crystal displays 7, for judging daytime and the whole dress of night control
The opening put and closing；
The second described light sensor 2 is positioned over rearview mirror top, change light sensor for the power of ambient light defeated
The magnitude of voltage for going out,
First light sensor 1, the second light sensor 2 by experiencing the change of ambient, and by the change of light,
Electric signal is changed into by A/D change-over circuits 3, CPU control units 4 are sent to.
Further CPU control units 4 according to electric signal, again change by Jing D/A change-over circuits 8, and control LCD liquid crystal displays 7 reach
Corresponding brightness.
Described LCD liquid crystal displays 7 adjust its optical activity by added voltage swing；
Described LCD liquid crystal displays 7 are segmentation black and white LCD liquid crystal display, can step by step adjust brightness by changing magnitude of voltage,
The electric heating piece 6 is control manually, for mirror heater, the globule on minute surface being removed in rainy day or greasy weather,
Eliminate the impact of sleet sky or frost；
In such as Fig. 2, general workflow
Before S101 drives, there is human pilot to determine whether frost and mist, be to redirect the no orders of S102 to perform
The manually opened electric heating piece heating of S102, removes defrosting and mist
The light sensors of S103 first judge whether night, are that order is performed, no return S108
S104 opens the second light sensor
S105 judges to be whether to receive strong illumination, no to redirect S108, is that then order is performed
S106CPU controllers issue voltage instruction
S107LCD liquid crystal displays
S10 terminates.
The automobile rear view mirror device control flow of above-mentioned automatic regulating lightness is as follows：After automobile starting, if at night
In the case of, the first light sensor 1 opens whole device, and vehicle power is powered by mu balanced circuit 5 to CPU control units 4, such as
Fruit rearview mirror has frost, and we manually open electric heating piece 6 and it is heated, and eliminates the impact of frost；If ambient occurs
Change, then the second light sensor 2 passes through, and converts optical signals into electric signal, then Jing A/D change-over circuits 3 are converted into digital letter
Number, processed by CPU control units 4；Then CPU control units 4 through D/A change-over circuits turn 8 change data signal into
Corresponding voltage value signal, passes to LCD liquid crystal displays 7, reaches the effect for adjusting screen intensity.
Claims (4)
1. a kind of automobile rear view mirror device of automatic regulating lightness, it is characterised in that including the first light sensor, second is photosensitive
Sensor, A/D change-over circuits, D/A change-over circuits, CPU control units, LCD liquid crystal displays, mu balanced circuit and electric heating piece；
Second light sensor is connected with the first light sensor, A/D change-over circuits,
CPU control units are connected respectively with A/D change-over circuits, D/A change-over circuits,
LCD liquid crystal displays are connected with D/A change-over circuits,
Mu balanced circuit is connected with CPU control units, electric heating piece；
The first described light sensor is arranged at the back of display screen area, for judging daytime and night control whole device
Opening with close；
The second described light sensor is positioned over rearview mirror top, change light sensor for the power of ambient light defeated
The magnitude of voltage for going out,
First light sensor, the second light sensor, by the change of light, is led to by experiencing the change of ambient
Cross A/D change-over circuits and change into electric signal, send CPU control units to,
According to electric signal, again Jing digital-to-analogue conversions make rearview mirror LCD display reach corresponding brightness to further CPU control units.
2. intensity adjustable display screen according to claim 1, it is characterised in that：Described LCD liquid crystal displays are segmentation
Black and white LCD liquid crystal display, adjusts its optical activity and adjusts brightness step by step by added voltage swing.
3. according to claim 1 rearview mirror eliminates the impact of sleet sky or frost by installing electric heating piece.
4. a kind of automobile, it is characterised in that install on the automobile just like the automotive rear-view any one of claim 1-3
Lens device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016208626412 | 2016-08-11 | ||
| CN201620862641 | 2016-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106627376A true CN106627376A (en) | 2017-05-10 |
Family
ID=58807666
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621237780.2U Expired - Fee Related CN206278024U (en) | 2016-08-11 | 2016-11-18 | A kind of automobile rear view mirror device of automatic regulating lightness |
| CN201611015942.2A Pending CN106627376A (en) | 2016-08-11 | 2016-11-18 | Car rearview mirror device capable of automatically adjusting brightness |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621237780.2U Expired - Fee Related CN206278024U (en) | 2016-08-11 | 2016-11-18 | A kind of automobile rear view mirror device of automatic regulating lightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN206278024U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739477A (en) * | 2020-06-30 | 2020-10-02 | 昆山龙腾光电股份有限公司 | Dimming circuit and display device |
| CN113619480A (en) * | 2021-08-18 | 2021-11-09 | 广东机电职业技术学院 | Automobile light auxiliary control method and system based on machine vision |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206278024U (en) * | 2016-08-11 | 2017-06-27 | 桂林电子科技大学 | A kind of automobile rear view mirror device of automatic regulating lightness |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690508A (en) * | 1982-12-15 | 1987-09-01 | C-D Marketing, Ltd. | Liquid crystal closed-loop controlled mirror systems |
| US5581406A (en) * | 1993-03-09 | 1996-12-03 | Murakami Kaimeido Co., Ltd. | Anti-glare rearview mirror system |
| US20030231398A1 (en) * | 2002-06-17 | 2003-12-18 | Cutaia Christopher C. | Side-mirror glare reduction device for trucks, truck cabs and sports utility vehicles |
| CN2704507Y (en) * | 2003-12-15 | 2005-06-15 | 王钊 | Antidazzle rear mirrows |
| WO2006037261A1 (en) * | 2004-10-10 | 2006-04-13 | Weide Wang | An automatic antiglare rear view mirror for a vehicle |
| FR2884778A3 (en) * | 2005-04-22 | 2006-10-27 | Chia Jung Chang | Auto-adjusting electric rear-view mirror for car, has servo circuit comparing feed back signal with signal from entry port of circuit to transmit control signal towards corresponding driving mechanisms, and keys with master control circuit |
| US20080068717A1 (en) * | 2001-07-02 | 2008-03-20 | Schefenacker Vision Systems Australia Pty Ltd. | Auto dimming vehicle mirror |
| US20090073590A1 (en) * | 2006-03-28 | 2009-03-19 | Benjamin Englander | Vehicle mirror with integrated lighting |
| US20100026917A1 (en) * | 2008-08-04 | 2010-02-04 | Wen Walter Y | Automatic darkening and glare reducing liquid crystal mirror |
| KR20120124664A (en) * | 2011-05-04 | 2012-11-14 | 현대자동차주식회사 | Device for preventing outside mirror from freezing in a vehicle and control method of the same |
| CN203995925U (en) * | 2013-11-19 | 2014-12-10 | 北京汽车股份有限公司 | Speed of a motor vehicle display system and vehicle |
| CN104354646A (en) * | 2014-11-07 | 2015-02-18 | 高辉（天津）科技有限公司 | Large automobile liquid crystal anti-dazzling rearview mirror |
| CN206278024U (en) * | 2016-08-11 | 2017-06-27 | 桂林电子科技大学 | A kind of automobile rear view mirror device of automatic regulating lightness |
-
2016
- 2016-11-18 CN CN201621237780.2U patent/CN206278024U/en not_active Expired - Fee Related
- 2016-11-18 CN CN201611015942.2A patent/CN106627376A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690508A (en) * | 1982-12-15 | 1987-09-01 | C-D Marketing, Ltd. | Liquid crystal closed-loop controlled mirror systems |
| US5581406A (en) * | 1993-03-09 | 1996-12-03 | Murakami Kaimeido Co., Ltd. | Anti-glare rearview mirror system |
| US20080068717A1 (en) * | 2001-07-02 | 2008-03-20 | Schefenacker Vision Systems Australia Pty Ltd. | Auto dimming vehicle mirror |
| US20030231398A1 (en) * | 2002-06-17 | 2003-12-18 | Cutaia Christopher C. | Side-mirror glare reduction device for trucks, truck cabs and sports utility vehicles |
| CN2704507Y (en) * | 2003-12-15 | 2005-06-15 | 王钊 | Antidazzle rear mirrows |
| WO2006037261A1 (en) * | 2004-10-10 | 2006-04-13 | Weide Wang | An automatic antiglare rear view mirror for a vehicle |
| FR2884778A3 (en) * | 2005-04-22 | 2006-10-27 | Chia Jung Chang | Auto-adjusting electric rear-view mirror for car, has servo circuit comparing feed back signal with signal from entry port of circuit to transmit control signal towards corresponding driving mechanisms, and keys with master control circuit |
| US20090073590A1 (en) * | 2006-03-28 | 2009-03-19 | Benjamin Englander | Vehicle mirror with integrated lighting |
| US20100026917A1 (en) * | 2008-08-04 | 2010-02-04 | Wen Walter Y | Automatic darkening and glare reducing liquid crystal mirror |
| KR20120124664A (en) * | 2011-05-04 | 2012-11-14 | 현대자동차주식회사 | Device for preventing outside mirror from freezing in a vehicle and control method of the same |
| CN203995925U (en) * | 2013-11-19 | 2014-12-10 | 北京汽车股份有限公司 | Speed of a motor vehicle display system and vehicle |
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| CN206278024U (en) * | 2016-08-11 | 2017-06-27 | 桂林电子科技大学 | A kind of automobile rear view mirror device of automatic regulating lightness |
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| 史瑞祥: "自动防炫目后视镜系统设计", 《汽车零部件》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739477A (en) * | 2020-06-30 | 2020-10-02 | 昆山龙腾光电股份有限公司 | Dimming circuit and display device |
| CN113619480A (en) * | 2021-08-18 | 2021-11-09 | 广东机电职业技术学院 | Automobile light auxiliary control method and system based on machine vision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN206278024U (en) | 2017-06-27 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |
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| WD01 | Invention patent application deemed withdrawn after publication |