CN106183966A - Wet road surface based on geometry multiple beam LED reduces reflective dazzling system - Google Patents
Wet road surface based on geometry multiple beam LED reduces reflective dazzling system Download PDFInfo
- Publication number
- CN106183966A CN106183966A CN201610862682.6A CN201610862682A CN106183966A CN 106183966 A CN106183966 A CN 106183966A CN 201610862682 A CN201610862682 A CN 201610862682A CN 106183966 A CN106183966 A CN 106183966A
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- China
- Prior art keywords
- lamp bead
- opposed vehicle
- exposures
- vehicle
- light
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/085—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
Abstract
The invention discloses a kind of wet road surface based on geometry multiple beam LED and reduce reflective dazzling system, opposed vehicle locating module for obtaining position and the distance of opposed vehicle according to image；According to image, car light pavement reflecting detection module is for judging whether the car light light beam of opposed vehicle produces reflective on road surface；The memorizer of lamp bead controller stores the horizontal K of every LEDs lamp beadm, longitudinal Kn, and beam direction is towards the set of the LED lamp bead on ground.The present invention, on the premise of keeping distance light highlight illumination, closes adaptively according to the position of opposed vehicle and irradiates the light beam of opposed vehicle to solve dazzling problem；Judge whether ground has the reflection of light by image recognition technology, the most then represent vehicle and travel on the most reflective moist road surface, control to close the light beam shone on the ground, solve reflective dazzling problem, night running good illumination effect and efficiently solve the dazzling problem of light, travels safer.
Description
Technical field
The present invention relates to automotive lighting field, particularly relate to a kind of wet road surface based on geometry multiple beam LED and subtract
Few reflective dazzling system.
Background technology
Car light is the important component part of automobile, it can be that automobile is bad at light, haze weather or night etc. condition
Illumination is provided during lower traveling.Compared with dipped headlights, the light ray parallel injection of high beam, light is concentrated and brightness is relatively big, Ke Yizhao
To the highest farther object, the sight line for nighttime driving person is very helpful.But abuse the phenomenon phase of high beam at present
When seriously, the time of mistake uses high beam not only will not improve traffic safety, can give on the contrary to sending a car, pedestrian causes in short-term
Between blinding, largely increase the occurrence probability of peril.
For solving above-mentioned technical problem, current a lot of high-end automobiles have started to configure self adaptation long-and-short distant light, and automobile is adaptive
Answering distance-light illuminator is the vehicle utilizing the photographic head at vehicle mirrors position to detect traveling ahead, investigative range up to
400 meters.If be detected that send a car in opposite, dipped headlights will be automatically switched to, so guaranteeing the same of the clear visual field of driver
Time, also do not interfere with to the traveling sent a car, distance light can be automatically switched back into again when system detects when front does not has a vehicle.Drive
Member is no longer needed for oneself frequently switching distance-light and goes to avoid to dazzling.
But traditional self adaptation long-and-short distant light handoff technique is only that car light is switched to dipped beam, car light is suddenly by distance light
Switch to dipped beam and can largely shorten the field range of driver, particularly when galloping, due to
Dipped headlights field range is limited, and the barrier outside driver is difficult to the dipped beam visual field makes anticipation timely, however it remains the biggest
Potential safety hazard.
It addition, except high beam itself easily cause to opposed vehicle the most dazzling in addition to, if moist road, road surface
Also being easy to occur reflective, high beam also easily causes dazzling after pavement reflecting to opposed vehicle.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of humidity based on geometry multiple beam LED
Reflective dazzling system is reduced on road surface, on the premise of keeping distance light highlight illumination, extinguishes battle array according to the position of opposed vehicle
Several the lamp bead specified in row are to solve dazzling problem；Judge whether ground has the reflection of light by image recognition technology, as
Fruit controls to close the lamp bead shone on the ground in automobile front lamp if having, and solves reflective dazzling problem.
It is an object of the invention to be achieved through the following technical solutions: wet road surface based on geometry multiple beam LED
Reduce reflective dazzling system, including photographic head, opposed vehicle analytic unit, left headlight, right headlight and lamp bead controller；Zuo great
Being equipped with the LED lamp bead of some matrix arrangement in lamp and right headlight, every LEDs lamp bead penetrates independent light beam by lens, respectively
The light beam of LED lamp bead injection is the most non-overlapping；The output end of image of described photographic head and the input of opposed vehicle analytic unit
Connecting, the outfan of opposed vehicle analytic unit is connected with the input of lamp bead controller, and the outfan of lamp bead controller is with each
Controlled LED lamp bead connects；
Described photographic head is used for Real-time Collection vehicle front image；
Described opposed vehicle analytic unit includes opposed vehicle locating module and car light pavement reflecting detection module, and described is right
Obtain position and the distance of opposed vehicle for the image collected according to photographic head to vehicle localization module, and according to to
The position of vehicle and distance determine horizontal range of exposures shared by opposed vehicle and longitudinal range of exposures；Described car light pavement reflecting
For the image collected according to photographic head, detection module judges whether the car light light beam of opposed vehicle produces instead on road surface
Light；
The memorizer of described lamp bead controller stores every LEDs lamp bead independent range of exposures K in the horizontalm, in longitudinal direction
On independent range of exposures Kn, and beam direction is towards the set of the LED lamp bead on ground；Lamp bead controller is according to opposed vehicle
Shared laterally range of exposures and longitudinal range of exposures, select range of exposures and just cover horizontal range of exposures shared by opposed vehicle
And the set of the LED lamp bead of longitudinal direction range of exposures, lamp bead controller controls to extinguish all LED lamp bead in foregoing assemblage；If car
Lamp pavement reflecting detection module detects that the car light light beam of opposed vehicle exists reflective on road surface, and lamp bead controller then controls to close
Close beam direction towards all LED lamp bead in the LED lamp bead set on ground.
Described photographic head is arranged at the center of left headlight and right headlight.
It is as follows that wet road surface reduces reflective dazzling process:
S1: image acquisition: in vehicle travel process, a certain moment, camera collection vehicle front image；
S2: opposed vehicle analysis:
1) opposed vehicle location: the image collected according to photographic head obtains position and the distance of opposed vehicle, and according to right
Horizontal range of exposures shared by opposed vehicle and longitudinal range of exposures is determined to the position of vehicle and distance；
2) car light pavement reflecting detection: the image collected according to photographic head judges that the car light light beam of opposed vehicle is on road surface
Whether produce reflective；
S3: extinguishing lamp bead:
1) close irradiate opposed vehicle light beam: lamp bead controller according to the every LEDs lamp bead prestored in the horizontal independence photograph
Penetrate scope Km, independent range of exposures K in the verticalnData, and horizontal range of exposures and longitudinal direction shared by this moment opposed vehicle
Range of exposures, selects range of exposures and just covers horizontal range of exposures shared by this moment opposed vehicle and longitudinal range of exposures
The set of LED lamp bead, lamp bead controller controls to extinguish all LED lamp bead in foregoing assemblage；
2) close irradiate ground light beam: lamp bead controller according to the set of the beam direction LED lamp bead towards ground that prestores, if
Car light pavement reflecting detection module detects that the car light light beam of opposed vehicle exists reflective on road surface, and lamp bead controller then controls
Close beam direction towards all LED lamp bead in the LED lamp bead set on ground；
S4: repeat step S1-S3, until meeting terminates.
The invention has the beneficial effects as follows:
1) on the premise of keeping distance light highlight illumination, irradiation opposed vehicle is closed adaptively according to the position of opposed vehicle
Light beam to solve dazzling problem；Judge whether ground has the reflection of light, the most then generation by image recognition technology
Table vehicle travels on the most reflective moist road surface, controls to close the light beam shone on the ground, and solves reflective dazzling problem, night row
Sail good illumination effect and efficiently solve the dazzling problem of light, travelling safer.
2) using the LED lamp bead of geometry multiple beam matrix arrangement, lighting and extinguishing of every lamp bead is all accurately controlled, real
Show exact figureization to control, controlled to provide the foundation for the selective driving beam in feasible region.
Accompanying drawing explanation
Fig. 1 is present system structural schematic block diagram；
Fig. 2 is the present invention the first moment opposed vehicle position and lamp bead extinguishing design sketch；
Fig. 3 is the present invention the second moment opposed vehicle position and lamp bead extinguishing design sketch；
Fig. 4 is the beam direction of the present invention all lamp bead extinguishing design sketch towards ground.
Detailed description of the invention
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
The following stated.
As it is shown in figure 1, wet road surface based on geometry multiple beam LED reduce reflective dazzling system, including photographic head,
Opposed vehicle analytic unit, left headlight, right headlight and lamp bead controller；It is equipped with some matrix arrangement in left headlight and right headlight
LED lamp bead (headlight of every side contains 3 rows, totally 84 LEDs lamp bead composition array), every LEDs lamp bead is by lens injection solely
Vertical light beam, the light beam of each LED lamp bead injection is the most non-overlapping；The output end of image of described photographic head and opposed vehicle are analyzed single
The input of unit connects, and the outfan of opposed vehicle analytic unit is connected with the input of lamp bead controller, lamp bead controller
Outfan is connected with each controlled LED lamp bead.
Described photographic head is used for Real-time Collection vehicle front image, and described photographic head is arranged at left headlight and right headlight
Center.
Described opposed vehicle analytic unit includes opposed vehicle locating module and car light pavement reflecting detection module, described
Opposed vehicle locating module obtain position and the distance of opposed vehicle for the image collected according to photographic head, and according to
The position of opposed vehicle and distance determine horizontal range of exposures shared by opposed vehicle and longitudinal range of exposures；Described car light road surface
For the image collected according to photographic head, reflective detection module judges whether the car light light beam of opposed vehicle produces on road surface
Raw reflective.
The memorizer of described lamp bead controller stores every LEDs lamp bead independent range of exposures K in the horizontalm,
Independent range of exposures K in longitudinal directionn, and beam direction is towards the set of the LED lamp bead on ground；Lamp bead controller according to to
Horizontal range of exposures shared by vehicle and longitudinal range of exposures, select range of exposures and just cover shared by opposed vehicle and laterally irradiate
The set of the LED lamp bead of scope and longitudinal range of exposures, lamp bead controller controls to extinguish all LED lamp bead in foregoing assemblage.
As shown in Figure 4, if the car light light beam that car light pavement reflecting detection module detects opposed vehicle exists on road surface
Reflective, then represent vehicle and travel on the most reflective moist road surface, lamp bead controller controls to cut out the beam direction LED towards ground
All LED lamp bead in lamp bead set.
It is as follows that wet road surface reduces reflective dazzling process:
S1: image acquisition: in vehicle travel process, a certain moment, camera collection vehicle front image；
S2: opposed vehicle analysis:
1) opposed vehicle location: the image collected according to photographic head obtains position and the distance of opposed vehicle, and according to right
Horizontal range of exposures shared by opposed vehicle and longitudinal range of exposures is determined to the position of vehicle and distance；
2) car light pavement reflecting detection: the image collected according to photographic head judges that the car light light beam of opposed vehicle is on road surface
Whether produce reflective；
S3: extinguishing lamp bead:
1) close irradiate opposed vehicle light beam: lamp bead controller according to the every LEDs lamp bead prestored in the horizontal independence photograph
Penetrate scope Km, independent range of exposures K in the verticalnData, and horizontal range of exposures and longitudinal direction shared by this moment opposed vehicle
Range of exposures, selects range of exposures and just covers horizontal range of exposures shared by this moment opposed vehicle and longitudinal range of exposures
The set of LED lamp bead, lamp bead controller controls to extinguish all LED lamp bead in foregoing assemblage；
2) close irradiate ground light beam: lamp bead controller according to the set of the beam direction LED lamp bead towards ground that prestores, if
Car light pavement reflecting detection module detects that the car light light beam of opposed vehicle exists reflective on road surface, and lamp bead controller then controls
Close beam direction towards all LED lamp bead in the LED lamp bead set on ground；
S4: repeat step S1-S3, until meeting terminates, can light the lamp bead being off again after completing meeting, until
Till new opposed vehicle being detected.
As in figure 2 it is shown, the first moment front vehicles is positioned at primary importance A farther out, now, camera collection image, right
Obtain position and the distance of opposed vehicle according to the image that photographic head is collected to vehicle localization module, it is then determined that this to
Horizontal range of exposures shared by vehicle and longitudinal range of exposures, controller combines the range of exposures of every lamp bead it is determined which extinguishes
(in Fig. 2, left headlight has extinguished first row the 9th, the 10th lamp bead from left to right, and second row the 10th, the 11st lamp from left to right to several lamp bead
Pearl；Right headlight has extinguished first row the 3rd, the 4th lamp bead from left to right, and second row the 4th, the 5th lamp bead from left to right).That is: this moment is
There is which lamp bead to be radiated on opposed vehicle, after finding these several lamp bead, it is all extinguished.
As it is shown on figure 3, the second moment after n moment, front vehicles is positioned at nearer second position A ', Jing Guotong
After the data acquisition of sample and analysis process, close those several lamp bead that the second moment was radiated on opposed vehicle (left headlight in Fig. 3
Extinguished first row the 3rd, the 4th lamp bead from left to right, and second row from left to right the 4th, the 5th lamp bead；Right headlight has extinguished first row from left to right
1st lamp bead, and second row the 2nd lamp bead from left to right).
According to the image that photographic head is collected, car light pavement reflecting detection module judges that the car light light beam of opposed vehicle exists
Whether produce reflective on road surface, typically when wet road surface produces reflective, image clearly there will be at least 3 places and compare concentration
Bright piece.If the car light light beam that car light pavement reflecting detection module detects opposed vehicle exists reflective on road surface, lamp bead control
Device processed then control close beam direction towards all LED lamp bead in the LED lamp bead set on ground, effect is as shown in Figure 4.
In vehicle travel process, altofrequency Quick Acquisition and process data, to ensure the quick response of car light.
The above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, is not to be taken as the eliminating to other embodiments, and can be used for other combinations various, amendment and environment, and can be at this
In the described contemplated scope of literary composition, it is modified by above-mentioned teaching or the technology of association area or knowledge.And those skilled in the art are entered
The change of row and change, the most all should be at the protection domains of claims of the present invention without departing from the spirit and scope of the present invention
In.
Claims (2)
1. wet road surface based on geometry multiple beam LED reduce reflective dazzling system, it is characterised in that: include photographic head,
Opposed vehicle analytic unit, left headlight, right headlight and lamp bead controller；It is equipped with some matrix arrangement in left headlight and right headlight
LED lamp bead, every LEDs lamp bead penetrates independent light beam by lens, and the light beam of each LED lamp bead injection is the most non-overlapping；Institute
The input of the output end of image and opposed vehicle analytic unit of stating photographic head is connected, the outfan of opposed vehicle analytic unit with
The input of lamp bead controller is connected, and the outfan of lamp bead controller is connected with each controlled LED lamp bead；
Described photographic head is used for Real-time Collection vehicle front image；
Described opposed vehicle analytic unit includes opposed vehicle locating module and car light pavement reflecting detection module, and described is right
Obtain position and the distance of opposed vehicle for the image collected according to photographic head to vehicle localization module, and according to to
The position of vehicle and distance determine horizontal range of exposures shared by opposed vehicle and longitudinal range of exposures；Described car light pavement reflecting
For the image collected according to photographic head, detection module judges whether the car light light beam of opposed vehicle produces instead on road surface
Light；
The memorizer of described lamp bead controller stores every LEDs lamp bead independent range of exposures K in the horizontalm, in the vertical
Independent range of exposures Kn, and beam direction is towards the set of the LED lamp bead on ground；Lamp bead controller is according to opposed vehicle institute
Account for horizontal range of exposures and longitudinal range of exposures, select range of exposures just cover horizontal range of exposures shared by opposed vehicle and
The set of the LED lamp bead of longitudinal range of exposures, lamp bead controller controls to extinguish all LED lamp bead in foregoing assemblage；If car light
Pavement reflecting detection module detects that the car light light beam of opposed vehicle exists reflective on road surface, and lamp bead controller then controls to cut out
Beam direction is towards all LED lamp bead in the LED lamp bead set on ground.
Wet road surface based on geometry multiple beam LED the most according to claim 1 reduces reflective dazzling system, and it is special
Levy and be: described photographic head is arranged at the center of left headlight and right headlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862682.6A CN106183966A (en) | 2016-09-29 | 2016-09-29 | Wet road surface based on geometry multiple beam LED reduces reflective dazzling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862682.6A CN106183966A (en) | 2016-09-29 | 2016-09-29 | Wet road surface based on geometry multiple beam LED reduces reflective dazzling system |
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| CN106183966A true CN106183966A (en) | 2016-12-07 |
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|---|---|---|---|
| CN201610862682.6A Pending CN106183966A (en) | 2016-09-29 | 2016-09-29 | Wet road surface based on geometry multiple beam LED reduces reflective dazzling system |
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Cited By (5)
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| CN106934808A (en) * | 2017-02-15 | 2017-07-07 | 江苏文光车辆附件有限公司 | A kind of automobile headlamp taillight recognition and tracking method under visually-perceptible |
| CN109094451A (en) * | 2018-07-23 | 2018-12-28 | 华南师范大学 | Night meeting high beam control method and its system, computer readable storage medium |
| CN109177898A (en) * | 2018-07-26 | 2019-01-11 | 信利光电股份有限公司 | A kind of car lamp control system and method |
| CN109823258A (en) * | 2019-03-04 | 2019-05-31 | 同济大学 | A kind of matrix LED high beam intelligence supplementary controlled system and its control method |
| CN110360521A (en) * | 2018-03-26 | 2019-10-22 | 比亚迪股份有限公司 | A kind of adaptive front lamp group and vehicle |
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Application publication date: 20161207 |
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