CN103241182B - A kind of electronic anti-dazzle order inside-automobile rear mirror - Google Patents
A kind of electronic anti-dazzle order inside-automobile rear mirror Download PDFInfo
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- CN103241182B CN103241182B CN201310180492.2A CN201310180492A CN103241182B CN 103241182 B CN103241182 B CN 103241182B CN 201310180492 A CN201310180492 A CN 201310180492A CN 103241182 B CN103241182 B CN 103241182B
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- 238000002310 reflectometry Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 7
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Abstract
The present invention relates to a kind of electronic anti-dazzle order inside-automobile rear mirror.At present, the traditional adjustment of electronic anti-dazzle order inside-automobile rear mirror to EC mirror reflectivity adopts pure hardware circuit to control, its different size and kind EC minute surface need adopt different hardware circuit, the present invention proposes a kind of scheme for this reason, only need adopt a kind of control circuit, under software and hardware is supported, when the front light intensity of EC minute surface is greater than rear light intensity, namely on request by defeated for high voltage in minute surface, cause different size and the electrochromism rapidly of kind EC minute surface, reduce EC minute surface voltage afterwards again, minute surface also can normally be worked in degree of depth no-glare state always for a long time at the lower voltage, otherwise, when the front light intensity of EC minute surface is less than rear light intensity, the two poles of the earth loss of voltage of minute surface, EC minute surface can fade fast and return to originally clear without anti-dazzle state.Beneficial effect of the present invention: the design cost and the R&D cycle that decrease the electronic anti-dazzle order inside-automobile rear mirror of different size and kind EC minute surface.
Description
Art
The present invention relates to a kind of electronic anti-dazzle order inside-automobile rear mirror, especially under same circuit, by the high low-value variation of software control computing and hardware control circuit output voltage, the electronic anti-dazzle order inside-automobile rear mirror of different size and kind can be mated, and guarantee that the electronic anti-dazzle order inside-automobile rear mirror of different size and kind achieves rapidly after no-glare at higher voltages, also normally can work in degree of depth no-glare state under low voltage maintains always, in addition, when EC minute surface the two poles of the earth no-voltage of electronic anti-dazzle order inside-automobile rear mirror, this EC minute surface can fade fast and return to originally clear without anti-dazzle state.
Background technology
At present, traditional electronic anti-dazzle order inside-automobile rear mirror is the power by detecting natural daylight and rear car light, pure hardware circuit is utilized to control to change the reflectivity of its EC minute surface, reduce with this and stimulation is dazzle the eyes to human eye, this technology, more to the requirement restriction of electronic anti-dazzle order inside-automobile rear mirror EC minute surface, cause different size and different types of electronic anti-dazzle order inside-automobile rear mirror must adopt different hardware circuits, or regulating circuit matched resistance, otherwise mate improper, different size and variety classes electronic anti-dazzle order inside-automobile rear mirror achieve rapidly after no-glare at higher voltages, just can not also normally work in degree of depth no-glare state at higher voltages for a long time always.
Summary of the invention
The weak point that the object of the invention is for above-mentioned existing electronic anti-dazzle order inside-automobile rear mirror technology proposes solution, adopt a kind of circuit, by software control and adjustment, be applicable to the electronic anti-dazzle order inside-automobile rear mirror of any specification and kind, reach required electronic anti-dazzle order effect and permanent normal useful life.
The present invention proposes a kind of design plan of electronic anti-dazzle order inside-automobile rear mirror
Comprise electronic anti-dazzle order inside-automobile rear mirror EC minute surface, micro controller system and peripheral circuit, quick-reset circuit, computing and control circuit, former and later two photosensors, light intensity detection circuit, the control circuit of the composition such as power-switching circuit, this control circuit is after former and later two photosensors of electronic anti-dazzle order inside-automobile rear mirror gather front and back light intensity, the front and back light intensity collected judges by light intensity detection circuit, when the front light intensity of electronic anti-dazzle order inside-automobile rear mirror is greater than rear light intensity or rear light intensity is less than front light intensity, at once micro controller system is transferred to, micro controller system calculates according to blas again, and according to light intensity extent, on request high voltage is applied to electronic anti-dazzle order inside-automobile rear mirror EC minute surface the two poles of the earth in short-term, make the electronic anti-dazzle order inside-automobile rear mirror EC minute surface electrochromism rapidly on request of different size and kind, carry out to change rapidly on request electronic anti-dazzle order inside-automobile rear mirror EC mirror reflectivity with this, and then through quick-reset circuit and computing and control circuit, two pole tensions of timely reduction electronic anti-dazzle order inside-automobile rear mirror EC minute surface are to reasonable value, achieve rapidly after no-glare at higher voltages to reach electronic anti-dazzle order inside-automobile rear mirror EC minute surface, also normally can work in degree of depth no-glare state under low voltage maintains always, otherwise, current light intensity is less than rear light intensity or rear light intensity when being greater than front light intensity, EC minute surface two pole tension of electronic anti-dazzle order inside-automobile rear mirror disappears immediately, this moment electronic anti-dazzle order inside-automobile rear mirror EC minute surface will fade fast and return to originally clear without anti-dazzle state.
Beneficial effect of the present invention
The EC minute surface solving different size and kind is assembled into the problem that electronic anti-dazzle order inside-automobile rear mirror can only mate different circuit on request, pass through software control, make a kind of circuit can mate the electronic anti-dazzle order inside-automobile rear mirror of different size, decrease design cost and the R&D cycle of the electronic anti-dazzle order inside-automobile rear mirror of different size.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is the functional block diagram of invention
In Fig. 1, (1) power-switching circuit, (2) front photosensor, (3) photosensor afterwards, (4) light intensity detection circuit, (5) micro controller system and peripheral circuit, (6) quick-reset circuit, (7) computing and control circuit, (8) electronic anti-dazzle order inside-automobile rear mirror EC minute surface.
Detailed description of the invention
In FIG, after automotive ignition starts under the total power supply state of (1) power-switching circuit, at (2) front photosensor, (3) when photosensor gathers rear car light and surround lighting afterwards, (4) the front and back light intensity collected carries out determining whether front and back light intensity difference by light intensity detection circuit, when the front light intensity of EC minute surface is greater than rear light intensity or rear light intensity is less than front light intensity, (5) micro controller system and peripheral circuit is transferred to by judgement, (5) micro controller system and peripheral circuit calculate according to blas again, and according to light intensity extent, on request high voltage is applied to the two poles of the earth of (8) electronic anti-dazzle order inside-automobile rear mirror EC minute surface in short-term through (7) computing and control circuit, make (8) electronic anti-dazzle order inside-automobile rear mirror EC minute surface electrochromism rapidly on request of different size, the reflectivity of (8) electronic anti-dazzle order inside-automobile rear mirror EC minute surface can be changed on request with this, then, again by (6) quick-reset circuit, the EC minute surface voltage of (8) electronic anti-dazzle order inside-automobile rear mirror is reduced in time to reasonable value again through (7) computing and control circuit, (8) the electronic anti-dazzle order inside-automobile rear mirror EC minute surface reaching different size and kind with this achieves rapidly after no-glare at higher voltages, also can normally work in degree of depth no-glare state for a long time at the lower voltage always, otherwise, when the front light intensity of EC minute surface is less than rear light intensity or rear light intensity is greater than front light intensity, also at once judgement is transferred to (5) micro controller system and peripheral circuit, (5) micro controller system and peripheral circuit calculate according to blas again, and according to light intensity extent, immediately voltage is not applied to the two poles of the earth of (8) electronic anti-dazzle order inside-automobile rear mirror EC minute surface on request through (7) computing and control circuit, thus, (8) the two poles of the earth loss of voltage of electronic anti-dazzle order inside-automobile rear mirror EC minute surface, subsequently, (8) electronic anti-dazzle order inside-automobile rear mirror EC minute surface will fade fast and return to originally clear without anti-dazzle state.
Claims (3)
1. an electronic anti-dazzle order inside-automobile rear mirror, comprise power-switching circuit, front photosensor, rear photosensor, light intensity detection circuit, micro controller system and peripheral circuit, quick-reset circuit, computing and control circuit, electronic anti-dazzle eyepiece face, it is characterized in that: before described electronic anti-dazzle order inside-automobile rear mirror, light intensity before and after latter two photosensor gathers, through light intensity detection circuit, the front and back light intensity gathered is judged, current light intensity is greater than rear light intensity or rear light intensity when being less than front light intensity, at once judgement is transferred to micro controller system, micro controller system calculates according to set program, and according to light intensity extent, high voltage is applied to the two poles of the earth, electronic anti-dazzle eyepiece face on request in short-term, cause different size and the variable color rapidly on request of kind electronic anti-dazzle order inside-automobile rear mirror, the reflectivity in electronic anti-dazzle eyepiece face is changed on request with this, and then through quick-reset circuit and computing and control circuit, two pole tensions in timely reduction electronic anti-dazzle eyepiece face are to reasonable value, accomplish that electronic anti-dazzle order inside-automobile rear mirror achieves rapidly after no-glare at higher voltages with this, also normally can work in degree of depth no-glare state for a long time under low voltage maintains always, otherwise, in face of electronic anti-dazzle order inside-automobile rear mirror electronic anti-dazzle eyepiece, light intensity is less than rear light intensity or rear light intensity when being greater than front light intensity, the two poles of the earth, electronic anti-dazzle eyepiece face loss of voltage, this moment electronic anti-dazzle eyepiece face will fade fast and return to originally clear without anti-dazzle state.
2. electronic anti-dazzle order inside-automobile rear mirror according to claim 1, it is characterized in that: by software control computing and hardware control circuit, according to the forward and backward light intensity extent of electronic anti-dazzle order inside-automobile rear mirror, the high low-value variation of the output voltage of control circuit on request, can realize the electronic anti-dazzle order inside-automobile rear mirror that a kind of circuit can mate different size and kind.
3. electronic anti-dazzle order inside-automobile rear mirror according to claim 1, it is characterized in that: the electronic anti-dazzle order inside-automobile rear mirror of different size and kind, achieve rapidly after no-glare at higher voltages, also normally can work in degree of depth no-glare state for a long time under low voltage maintains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310180492.2A CN103241182B (en) | 2013-04-03 | 2013-05-16 | A kind of electronic anti-dazzle order inside-automobile rear mirror |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310113238.0 | 2013-04-03 | ||
| CN2013101132380 | 2013-04-03 | ||
| CN201310113238 | 2013-04-03 | ||
| CN201310180492.2A CN103241182B (en) | 2013-04-03 | 2013-05-16 | A kind of electronic anti-dazzle order inside-automobile rear mirror |
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| Publication Number | Publication Date |
|---|---|
| CN103241182A CN103241182A (en) | 2013-08-14 |
| CN103241182B true CN103241182B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310180492.2A Expired - Fee Related CN103241182B (en) | 2013-04-03 | 2013-05-16 | A kind of electronic anti-dazzle order inside-automobile rear mirror |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057887A (en) * | 2014-05-28 | 2014-09-24 | 广东多纳勒振华汽车系统有限公司 | Intelligent voice multifunctional automobile internal rear-view mirror |
| CN108501815A (en) * | 2018-03-16 | 2018-09-07 | 武汉理工大学 | A kind of anti-dazzle driving mirror system and control method |
| CN108528343B (en) * | 2018-04-18 | 2020-11-20 | 京东方科技集团股份有限公司 | Anti-dazzling rearview mirror and control method thereof |
| CN110857899A (en) * | 2018-08-23 | 2020-03-03 | 深圳市麦道微电子技术有限公司 | Light detection system for EC (electro-magnetic) lens |
| CN115891833B (en) * | 2023-02-21 | 2023-05-12 | 南京海亚汽车电子科技有限公司 | Anti-dazzling logic circuit and anti-dazzling method for rearview mirror |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0280278B1 (en) * | 1987-02-27 | 1994-01-05 | Ichikoh Industries Limited | Light-reflectivity controller for use with automotive rearview mirror using electrochromic element |
| JP2798337B2 (en) * | 1993-03-29 | 1998-09-17 | 株式会社東海理化電機製作所 | Control device for anti-glare mirror for vehicle |
| CN2606027Y (en) * | 2003-03-21 | 2004-03-10 | 哈尔滨华鼎软件开发有限责任公司 | Automatic antiglaring wing mirror of motor vehicle |
| CN201359838Y (en) * | 2009-01-22 | 2009-12-09 | 辉创电子科技(苏州)有限公司 | Automatic brightness regulation device of VFD display screen |
| CN102862520A (en) * | 2012-09-25 | 2013-01-09 | 江苏亿成光电科技有限公司 | Automatic anti-dazzling rear-view mirror |
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2013
- 2013-05-16 CN CN201310180492.2A patent/CN103241182B/en not_active Expired - Fee Related
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| CN103241182A (en) | 2013-08-14 |
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