CN1436679A - Non-glare rear-view mirror module - Google Patents
Non-glare rear-view mirror module Download PDFInfo
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- CN1436679A CN1436679A CN 03102635 CN03102635A CN1436679A CN 1436679 A CN1436679 A CN 1436679A CN 03102635 CN03102635 CN 03102635 CN 03102635 A CN03102635 A CN 03102635A CN 1436679 A CN1436679 A CN 1436679A
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- view mirror
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- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The non-glare rear-view mirror module for vehicle includes one glare sensor to receive the back incident light and output one first signal representing the strength of the back incident light; one environment light sensor to receive the upward light and output one second signal repressing the strength of the upward light; one comparison controller connected to the glass sensor and the environment light sensor and generating one control signal corresponding to the first signal and the second signal; and one electrically color changing rear-view mirror to alter its reflectivity with the control signal. The non-glare rear-view mirror module of the present invention operates correctly without being affected by the light of opposite vehicle, road lamp, etc.
Description
Technical field
The present invention relates to a kind of non-glare rear-view mirror module, particularly a kind of non-glare rear-view mirror module that is applied to the vehicle.
Background technology
Along with number of vehicles constantly increases, cause environment to go from bad to worse, especially under the faint environment of night or light, the strong illumination of front vehicle will cause the vehicle drive on back mirror the person produces dazzling impression and can't see road conditions clearly, for improving this shortcoming, many tame manufacturers just develop and various back mirror module with anti-dazzle function.
See also Fig. 1 (a), it is the function block schematic diagram of a known non-glare rear-view mirror module, it mainly is installing one glare sensor 12 on an electrically color changing rear-view mirror 11, and this glare sensor 12 is the high lights that occur in order to the sense vehicle rear, and then send one and control signal to electrically color changing rear-view mirror 11, make electrically color changing rear-view mirror 11 to change its reflectivity in response to the intensity of light appears in the rear.For instance, when the rear light intensity of being sensed when this glare sensor 12 was big more, the reflectivity of electrically color changing rear-view mirror 11 for example changeed dark with color with step-down, and then the dazzling impression that reduces the vehicle drive person is to reach antidazzling function.But this type of non-glare rear-view mirror module is only judged at the intensity that light appears in the rear, therefore also can't judge its correct running time, under for example well-lit by day environment, or under the environment of brilliance place such as dusk and critical value, the electrochromics function still can continue to operate and make the reflectivity of back mirror 11 produce improper variation.And be in the time of stopping unnecessary running, as Fig. 1 (b) just shown in second kind of known non-glare rear-view mirror module be developed.
And find out by knowing among the figure of Fig. 1 (b), second kind of known non-glare rear-view mirror module is to set up an environment light sensor 13 towards the headstock place in the back mirror module, light intensity in order to sense vehicle environment of living in, so, when daytime, light was strong, environment light sensor 13 will make electrically color changing rear-view mirror 11 stop the function of variable color to avoid unnecessary reflectance varies.Otherwise faint when evening or light, environment light sensor 13 just activates this electrically color changing rear-view mirror 11 can change its luninous reflectance in response to the control of glare sensor 12.
And in the design of upgrading, also have additional a comparison controller 14 in the module, function block schematic diagram shown in Fig. 1 (c), it is to receive light intensity signal T1 and the T2 that glare sensor 12 and environment light sensor 13 sent respectively simultaneously and compare and learn a comparative figure C, C may be defined to T1/T2 or T1-T2, and then exports a control signal relevant with comparative figure C size and control electrically color changing rear-view mirror 11 its luninous reflectancies of change.For example, as comparative figure C during greater than a threshold value, comparison controller 14 just can be judged as the received light intensity of this glare sensor 12 much larger than the received light intensity of environment light sensor 13, just can send control signal this moment and control electrically color changing rear-view mirror 11 its luninous reflectancies of change, its change degree then can be directly proportional with the size of comparative figure C.
But in above-mentioned known module; the direction of environment light sensor 13 all is designed to towards the headstock direction; organigram shown in Fig. 1 (d); therefore light of being sent a car by the opposite through regular meeting or street lamp wait for bus the place ahead the high light influence and produce misoperation, and then make electrically color changing rear-view mirror 11 correctly to operate.For example, when environment is in evening or light when faint, in theory, environment light sensor 13 will activate this electrically color changing rear-view mirror 11, make it change its luninous reflectance in response to the control of glare sensor 12.But the light of sending a car when the opposite is by when the environment light sensor 13 of headstock direction is sensed, and electrically color changing rear-view mirror 11 will be forced to stop the function of variable color and lose anti-dazzle function undeservedly.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art and a kind of non-glare rear-view mirror module is provided, the wait for bus high light influence in the place ahead of the light that can send a car because of the opposite or street lamp does not produce misoperation, thereby electrically color changing rear-view mirror is correctly operated.
Purpose of the present invention can realize by following measure:
A kind of non-glare rear-view mirror module is applied on the vehicle, and this module comprises:
One glare sensor receives the light by this rear view of vehicle institute incident, and then one first signal of this back incident light intensity is represented in output;
One environment light sensor receive by the make progress light of incident of below, and then a secondary signal of this below incident ray intensity is represented in output; And
One comparison controller, signal are connected in this glare sensor and this environment light sensor, because of a control signal is sent in the variation of first signal and this secondary signal; And
One electrically color changing rear-view mirror, variation that should control signal and change its luninous reflectance.
This comparison controller is when the received light intensity of this environment light sensor during greater than one first threshold value, stops the control action to this electrically color changing rear-view mirror luninous reflectance.
This comparison controller is this received first signal and this secondary signal are compared and to learn a comparative figure, and when this comparative figure during greater than one second threshold value, this comparison controller is just exported the luninous reflectance that this control signal relevant with this comparative figure size changes this electrically color changing rear-view mirror.
This comparative figure is the ratio of this first signal and this secondary signal level.
This comparative figure C is the difference of this first signal and this secondary signal level.
This glare sensor be arranged at this electrically color changing rear-view mirror the front and towards the rear of this vehicle.
This environment light sensor be arranged at this electrically color changing rear-view mirror the below and towards the below of this vehicle.
Purpose of the present invention also can realize by following measure:
A kind of non-glare rear-view mirror module is applied on the vehicle, and this module comprises:
One glare sensor receives the light by this rear view of vehicle institute incident, and then one first signal of this back incident light intensity is represented in output;
One environment light sensor receive by the make progress light of incident of below, and then a secondary signal of this below incident ray intensity is represented in output; And
One electrically color changing rear-view mirror, signal is connected in this glare sensor and this environment light sensor, when the received light intensity of this environment light sensor is converted to a mode of operation during less than one first threshold value, and this electrically color changing rear-view mirror changes the size of its reflectivity because of the level size of first signal in this mode of operation.
The received light intensity of this environment light sensor is greater than this first threshold value, and this electrically color changing rear-view mirror is converted to a " shut " mode" and stops to change its luninous reflectance.
This environment light sensor be arranged at this electrically color changing rear-view mirror the below and towards the below of this vehicle.
Description of drawings
Fig. 1 (a), Fig. 1 (b) and Fig. 1 (c) are the function block schematic diagrams of three kinds of known non-glare rear-view mirror modules;
Fig. 1 (d) is the schematic appearance of known non-glare rear-view mirror module;
Fig. 2 is the scheme drawing of the embodiment one of non-glare rear-view mirror module of the present invention; And
Fig. 3 is the scheme drawing of another embodiment of non-glare rear-view mirror module of the present invention.
The specific embodiment
See also Fig. 2, it is the scheme drawing of the embodiment one of non-glare rear-view mirror module of the present invention, by can obviously finding out among the figure, the direction of the environment light sensor 23 of present embodiment is to be designed to towards the below, it mainly is the brightness in order to the source of stray light that is detected on the car room scattering, thus, environment light sensor 23 will more verily can reflect the actual environment light intensity, therefore when daytime, light was strong, environment light sensor 23 will make electrically color changing rear-view mirror 21 stop the function of variable color, and the controlled switch 20 among the cut-out figure is to avoid unnecessary reflectance varies.Otherwise faint when evening or light, environment light sensor 23 just activates this electrically color changing rear-view mirror 21, makes controlled switch 20 conductings among the figure change its luninous reflectance in response to the control of glare sensor 22.And even the wait for bus high light of the place ahead or top of light that the opposite sends a car or street lamp is arranged, the present invention also can not be affected and produce misoperation.
See also Fig. 3, it is the scheme drawing of another embodiment of non-glare rear-view mirror module of the present invention, have additional a comparison controller 24, receive the first strength signal T1 and the second strength signal T2 that glare sensor 22 and environment light sensor 23 sent respectively simultaneously and compare and must cause a comparative figure C, C may be defined to T1/T2 or T1-T2, and then exports a control signal relevant with comparative figure C size and control electrically color changing rear-view mirror 21 its luninous reflectancies of change.For example, as comparative figure C during greater than a threshold value, comparison controller 24 just can be judged as the received light intensity of this glare sensor 22 much larger than the received light intensity of environment light sensor 23, just can send control signal this moment and control electrically color changing rear-view mirror 21 its luninous reflectancies of change, its change degree then can become positive correlation with the size of comparative figure C.Similarly, the direction of the environment light sensor 23 of this preferred embodiment is to be designed to towards the below, in order to the brightness of the source of stray light that is detected on the car room scattering, thus, environment light sensor 23 will more verily can reflect the actual environment light intensity, and reduce the probability that produces misoperation.
Above-mentioned electrically color changing rear-view mirror 31 can be by electrochromics glass or other electrochromics printing opacity object, and for example liquid crystal cells constitutes.
Claims (10)
1, a kind of non-glare rear-view mirror module is applied on the vehicle, and this module comprises:
One glare sensor receives the light by this rear view of vehicle institute incident, and then one first signal of this back incident light intensity is represented in output;
One environment light sensor receive by the make progress light of incident of below, and then a secondary signal of this below incident ray intensity is represented in output; And
One comparison controller, signal are connected in this glare sensor and this environment light sensor, because of a control signal is sent in the variation of first signal and this secondary signal; And
One electrically color changing rear-view mirror, variation that should control signal and change its luninous reflectance.
2, non-glare rear-view mirror module as claimed in claim 1 is characterized in that, this comparison controller is when the received light intensity of this environment light sensor during greater than one first threshold value, stops the control action to this electrically color changing rear-view mirror luninous reflectance.
3, non-glare rear-view mirror module as claimed in claim 1, it is characterized in that, this comparison controller is this received first signal and this secondary signal are compared and to learn a comparative figure, and when this comparative figure during greater than one second threshold value, this comparison controller is just exported the luninous reflectance that this control signal relevant with this comparative figure size changes this electrically color changing rear-view mirror.
4, non-glare rear-view mirror module as claimed in claim 3 is characterized in that, this comparative figure is the ratio of this first signal and this secondary signal level.
5, non-glare rear-view mirror module as claimed in claim 3 is characterized in that, this comparative figure C is the difference of this first signal and this secondary signal level.
6, non-glare rear-view mirror module as claimed in claim 1 is characterized in that, this glare sensor be arranged at this electrically color changing rear-view mirror the front and towards the rear of this vehicle.
7, non-glare rear-view mirror module as claimed in claim 1 is characterized in that, this environment light sensor be arranged at this electrically color changing rear-view mirror the below and towards the below of this vehicle.
8, a kind of non-glare rear-view mirror module is applied on the vehicle, and this module comprises:
One glare sensor receives the light by this rear view of vehicle institute incident, and then one first signal of this back incident light intensity is represented in output;
One environment light sensor receive by the make progress light of incident of below, and then a secondary signal of this below incident ray intensity is represented in output; And
One electrically color changing rear-view mirror, signal is connected in this glare sensor and this environment light sensor, when the received light intensity of this environment light sensor is converted to a mode of operation during less than one first threshold value, and this electrically color changing rear-view mirror changes the size of its reflectivity because of the level size of first signal in this mode of operation.
9, non-glare rear-view mirror module as claimed in claim 8 is characterized in that, the received light intensity of this environment light sensor is greater than this first threshold value, and this electrically color changing rear-view mirror is converted to a " shut " mode" and stops to change its luninous reflectance.
10, non-glare rear-view mirror module as claimed in claim 8 is characterized in that, this environment light sensor be arranged at this electrically color changing rear-view mirror the below and towards the below of this vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03102635 CN1436679A (en) | 2003-02-14 | 2003-02-14 | Non-glare rear-view mirror module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03102635 CN1436679A (en) | 2003-02-14 | 2003-02-14 | Non-glare rear-view mirror module |
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| CN1436679A true CN1436679A (en) | 2003-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03102635 Pending CN1436679A (en) | 2003-02-14 | 2003-02-14 | Non-glare rear-view mirror module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984178A (en) * | 2013-02-08 | 2014-08-13 | 泰特博智慧材料股份有限公司 | Anti-dazzle rearview mirror and color changing method thereof |
| CN104977739A (en) * | 2015-07-17 | 2015-10-14 | 京东方科技集团股份有限公司 | Display control method, display control device and display system |
| CN105867042A (en) * | 2016-06-27 | 2016-08-17 | 京东方科技集团股份有限公司 | Intelligent light reflection adjusting device, adjusting method thereof and anti-glaring rearview mirror |
| CN107672527A (en) * | 2017-11-03 | 2018-02-09 | 常州九鼎汽车部件有限公司 | A kind of external anti-glare of outside rear-view mirror, according to ground, radar monitor multifunction module |
| CN107856609A (en) * | 2017-01-26 | 2018-03-30 | 问众智能信息科技（北京）有限公司 | The method and device of the anti-high beam dazzle of intelligent back vision mirror |
-
2003
- 2003-02-14 CN CN 03102635 patent/CN1436679A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984178A (en) * | 2013-02-08 | 2014-08-13 | 泰特博智慧材料股份有限公司 | Anti-dazzle rearview mirror and color changing method thereof |
| CN104977739A (en) * | 2015-07-17 | 2015-10-14 | 京东方科技集团股份有限公司 | Display control method, display control device and display system |
| CN105867042A (en) * | 2016-06-27 | 2016-08-17 | 京东方科技集团股份有限公司 | Intelligent light reflection adjusting device, adjusting method thereof and anti-glaring rearview mirror |
| WO2018000952A1 (en) * | 2016-06-27 | 2018-01-04 | 京东方科技集团股份有限公司 | Intelligent reflectance adjusting device, adjustment method therefor and anti-glare rearview mirror |
| CN105867042B (en) * | 2016-06-27 | 2019-04-02 | 京东方科技集团股份有限公司 | A kind of intelligence reflective regulation device, its adjusting method and glareproof mirror |
| CN107856609A (en) * | 2017-01-26 | 2018-03-30 | 问众智能信息科技（北京）有限公司 | The method and device of the anti-high beam dazzle of intelligent back vision mirror |
| CN107672527A (en) * | 2017-11-03 | 2018-02-09 | 常州九鼎汽车部件有限公司 | A kind of external anti-glare of outside rear-view mirror, according to ground, radar monitor multifunction module |
| CN107672527B (en) * | 2017-11-03 | 2024-05-31 | 常州九鼎汽车部件有限公司 | External anti-glare, ground lighting and radar monitoring multifunctional module of external rearview mirror |
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