CN209295011U - A kind of car light place dynamic lighting control system and car light - Google Patents
A kind of car light place dynamic lighting control system and car light Download PDFInfo
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- CN209295011U CN209295011U CN201821112400.1U CN201821112400U CN209295011U CN 209295011 U CN209295011 U CN 209295011U CN 201821112400 U CN201821112400 U CN 201821112400U CN 209295011 U CN209295011 U CN 209295011U
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Abstract
The utility model provides a kind of car light place dynamic lighting control system, including light source and lens, the light source is area source, such as LED luminescence chip area source, the plane of incidence of the optical axis alignment lens of area source, the light for the approximate Lambertian diverging for being issued area source by lens carries out after once collimating, make to propagate in parallel by the light after lens to approach, in front, screen forms the light shape of highlighted light beam, area source is arranged in front of or after the focus of lens just, form lens defocus, the lens defocusing amount of area source is adjusted to realize the variation of front screen light shape, that is dynamic lighting, according to different speeds, different illumination light shapes is arranged in road conditions.Thus achieve the purpose that ensure to improve light efficiency, traffic safety and reduce cost.
Description
Technical field
The utility model relates to car lights, and specifically, the utility model relates to a kind of place dynamic lighting control system and car light, institutes
It states place dynamic lighting control system and car light while there is far lighting light shape regulatory function and lower beam illumination light shape regulatory function, more
Specifically, dynamic lighting described in the utility model adjust can between the different preset different locations of lens defocusing amount of correspondence into
The switching of row light shape, can also carry out the continuous transformation of light shape, to reach according to different speeds and different road conditions, form different photographs
Mingguang City's shape, improving illuminating effect, ensuring traffic safety and reducing the purpose of cost.
Background technique
Currently, laser light source is widely used in car light.
For example, publication number CN107314324A patent discloses a kind of high beam, which is shone using laser light source
The characteristics of light that point is small, projects away is concentrated excites yellow fluorescence piece as light source by blue laser, then anti-by laser
Light is projected road surface by light cup and optical lens, to achieve the purpose that irradiation distance is remote.
However, the implementation and principle of above-mentioned high beam are no different with traditional projection-type lighting system, that is, pass through setting
There are two the class ellipsoidal mirrors of focus for tool, and light source is arranged at perifocus, the light for the approximate Lambertian diverging that light source issues
Line is converged at over focus by reflecting mirror, and the near focal point of lens is arranged in the over focus, by lens by the light of diverging
It is projected with horizontal direction close to parallel after line collimation.And because the inherent shortcoming of traditional projection illumination system is, the ellipsoid
The reflectivity of face reflecting mirror is usually no more than 85%, and the implementation entirety light efficiency of the high beam is thus caused to reduce.
On the other hand, laser light source, which is used for a major issue of vehicle light illumination, is: its luminous energy is excessively concentrated, and is often needed
Light source could be used as after being scattered by similar flourescent sheet.At this point, once laser accidental irradiation is to road surface, such as phosphor powder layer
Breakdown, laser accidental irradiation is to the higher smooth surface of lamps and lanterns internal reflection rate；Or car light is accidentally impacted, and leads to laser light
Source displacement or inclination etc. be under extreme cases, will road pavement cause not imaginable strong light to endanger.Thus it needs a set of rigorous
Security protection system to ensure that detection and judgement can be made in extreme circumstances, and turns off Laser Power Devices, it is ensured that pedestrian in time
Safety.However, the presence of the security protection system of setting thus, causes technical difficulty to greatly increase, overall applicability cost
It will increase.
Further more, as security issues become increasingly urgent for vehicle travel at night, and existing AFS function is carried out only for dipped beam light shape
Transformation improves travel safety to meet the different lighting demands under varying environment and road conditions.And far lighting can not then become
It changes.
In addition, current distance light lamp system is all to pass through static schema, it is difficult to according to different speeds, different road conditions, if
Set different illumination light shapes.
Utility model content
To solve the above problems, the utility model provides a kind of dynamic lighting control device and car light, the dynamic lighting
Control device and car light have far lighting light shape regulatory function and lower beam illumination light shape regulatory function simultaneously, in particular, in vehicle
In the case of night running, to meet the different lighting demands under varying environment and road conditions, travel safety is improved, not only needle
To dipped beam light shape, dynamic mapping can also be carried out to far lighting light shape.
In addition, current distance light lamp system is all to pass through static schema, it is difficult to according to different speeds, different road conditions, if
Set different illumination light shapes.
More specifically, dynamic lighting adjusting described in the utility model can be in the different preset differences of lens defocusing amount of correspondence
Carry out the switching of great-jump-forward light shape between light shaped position, the continuous transformation of light shape can also be carried out, to reach according to different speeds and
Different road conditions form different illumination light shapes.For example, running at a low speed the big light shape of suitable defocusing amount, such as Figure 16, illumination zone
Greatly, but apart from close.It runs at high speed and is applicable in light shape as shown in figure 11, illumination distances are remote, but illumination zone is small, to ensure to improve light
Effect, traffic safety and the purpose for reducing cost.
The place dynamic lighting control system technical solution of the utility model is as follows:
A kind of car light place dynamic lighting control system, which is characterized in that
The light source is LED luminescence chip area source,
The plane of incidence of the optical axis alignment lens of area source,
The light that area source issues once is collimated through lens, is propagated in parallel by approaching after lens, in front screen shape
At the light shape of highlighted light beam,
Area source is arranged in front of or after the focus of lens just, forms lens defocus, adjusts area source relative to lens coke
The relative position of point, i.e. lens defocusing amount, to realize the variation of front screen light shape, i.e. dynamic lighting.
According to a kind of car light place dynamic lighting control system described in the utility model, which is characterized in that
The light source is rectangular or square LED luminescence chip area source, and the lens defocusing amount is lens focus
Front or rear side 0-5mm,
The characteristics of luminescence of the area source is that similar Lambertian dissipates, and light emitting angle is the hemisphere face range of 0 to 90 degree.
According to a kind of car light place dynamic lighting control system described in the utility model, which is characterized in that
The corresponding different preset different locations of lens defocusing amount, the dynamic lighting light shape can be in the different lens defocus of correspondence
It measures and is switched between several preset different locations, the corresponding dynamic lighting light shape is great-jump-forward transformation, with root
Different illumination light shapes is set according to different speeds, road conditions.
According to a kind of car light place dynamic lighting control system described in the utility model, which is characterized in that
Luminescence chip is set at lens focus, and the light shape of luminescence chip is suitable for running at high speed at the lens focus.
According to a kind of car light place dynamic lighting control system described in the utility model, which is characterized in that
From luminescence chip is arranged at lens focus 5mm, illuminated with suitable urban road road conditions.
According to a kind of car light place dynamic lighting control system described in the utility model, which is characterized in that
The rectangle luminescence chip is selected from the rectangle luminescence chip of 1mm*1-5mm, the square luminescence chip choosing
From the square luminescence chip of 1-5mm*1-5mm.
According to a kind of car light place dynamic lighting control system described in the utility model, which is characterized in that
The rectangle luminescence chip is selected from the rectangle luminescence chip of 1mm*5mm.
According to a kind of car light place dynamic lighting control system described in the utility model, which is characterized in that
Barn door is set near area source, and the barn door is arranged at lens focus, and area source is arranged in barn door
Rear, to form a part of lower beam illumination or the lower beam illumination with "cut-off"line.
For example, great-jump-forward switching is carried out under different light illumination modes, as between urban road mode and highway mode
Switching.The fine tuning of continuous transformation can also be carried out according to speed under same light illumination mode.
That is, several lens defocusing amounts can be preset according to the utility model, jumped between different lens defocusing amounts
The switching of jump formula position, corresponding smooth shape are also great-jump-forward transformation (as shown in Figure 11 to Figure 16, switching between 6 light shapes).
According to a kind of car light dynamic lighting control method described in the utility model, which is characterized in that
Corresponding different lens defocusing amounts preset the different location of light shape, and the dynamic lighting light shape can be in the different lens of correspondence
Continuous transformation is carried out between the preset different location of defocusing amount, the corresponding dynamic lighting light shape is also continuous transformation, that is,
Defocusing amount continuous transformation, the also correspondingly continuous transformation of light shape.
That is, lens defocusing amount dynamic continuous transformation, corresponding smooth shape is also continuous transformation, to avoid the photograph of suddenly change
Human eye caused by Mingguang City's shape is uncomfortable.
It is special suitable for running at high speed if Figure 11 is that the light shape at lens focus is arranged in 1mm*5mm rectangle luminescence chip
Point is that Emax value is big, and illumination distances are remote, but illumination zone is smaller.1mm*5mm rectangle luminescence chip is arranged from lens focus
Light shape at 5mm is suitble to urban road road conditions, and feature is that illumination zone is big, but Emax is not high, i.e., irradiation distance is not far.
According to a kind of setting car light place dynamic lighting control system described in the utility model, the lens are convex lens, described
Convex lens is selected from plano-convex lens, bitoric lens, Fresnel Lenses, lens group.
According to a kind of place dynamic lighting control system of the utility model, including light source and lens, which is characterized in that
The light source is LED luminescence chip area source,
The plane of incidence of the optical axis alignment lens of area source, light emitting angle are the hemisphere face range of 0 to 90 degree,
The light for the approximate Lambertian diverging for being issued area source by lens carries out after once collimating, and makes by after lens
Light is propagated in parallel with approaching, and in front, screen forms the light shape of highlighted light beam,
Area source is arranged in front of or after the focus of lens just, forms lens defocus, adjusts area source relative to lens coke
The relative position of point, i.e. lens defocusing amount, to realize the variation of front screen light shape, i.e. dynamic lighting.
Lens defocus causes the diffusion of illumination light shape to become larger, and the Emax value can reduce, but illumination zone can also increase, because
This, can be by adjusting relative position of the light source relative to lens focus, i.e. lens defocusing amount, to change illumination light shape, lens
Defocusing amount is bigger, and hot spot is bigger, while Emax value is also smaller, and the Emax that different defocusing amounts correspond to light shape is also different.So can be with
Dynamic lighting is realized according to lens defocusing amount is adjusted.
According to a kind of car light place dynamic lighting control system described in the utility model, the dynamic lighting system is used for headlamp
Headlight.
According to a kind of car light place dynamic lighting control system described in the utility model, which is characterized in that
The dynamic lighting system is used for daytime running lamps, position lamp, Brake lamp, turn signal and fog lamp function.
The utility model has the following advantages and outstanding effects: structure is simple, only passes through full light source combination lens energy
Realize higher Eman value, dipped beam then adds barn door realization on this basis.The utility model technology maturation, existing LED
Light source and lens are just able to satisfy output and require.Light efficiency is high, and lesser output light flux can be achieved with higher test point test value.
Detailed description of the invention
Fig. 1 is the car light dynamic lighting schematic diagram of the utility model.
Fig. 2 is the relation schematic diagram of LED luminescence chip light intensity and angle, which illustrates area source, such as LED luminescence chip
The characteristics of luminescence is dissipated similar to lambert.
Fig. 3 is simulated light shape schematic diagram of light source input under the conditions of 180 lumen.
Fig. 4 is product measured light shape schematic diagram of light source input under the conditions of 180 lumen.
Fig. 5 is dipped beam full screen illumination schematic diagram.
Fig. 6 is dipped beam full screen illumination partial schematic diagram.In figure, the H of 75R test point is 1.15 degree, and V is 0.57 degree.
Fig. 7 is the dipped beam modular structure schematic diagram with barn door.
Fig. 8 is the dipped beam modular structure schematic diagram with barn door.
Fig. 9 is the dipped beam mould group light path schematic diagram with barn door.
Figure 10 is that the dipped beam mould stack screen illumination with barn door of the utility model simulates schematic diagram.
Figure 11 is rectangle LED luminescence chip (1mm*5mm) focal point light shape schematic diagram.
Figure 12 is light shape schematic diagram at rectangle LED luminescence chip (1mm*5mm) defocus 1mm.
Figure 13 is light shape schematic diagram at rectangle LED luminescence chip (1mm*5mm) defocus 2mm.
Figure 14 is light shape schematic diagram at rectangle LED luminescence chip (1mm*5mm) defocus 3mm.
Figure 15 is light shape schematic diagram at rectangle LED luminescence chip (1mm*5mm) defocus 4mm.
Figure 16 is light shape schematic diagram at rectangle LED luminescence chip (1mm*5mm) defocus 5mm.
In figure, 1 is LED light source, and 2 be lens, and 3 be LED circuit board, and 4 be barn door, and 5 be barn door dead line, and 6 are
75R test point.
Specific embodiment
Embodiment
The near focal point on the inside of convex lens is arranged in rectangle LED luminescence chip (1mm*5mm), what LED light source issued
The light dissipated close to lambert is accumulated into after convex lens connects subparallel light, and horizontal irradiation to road surface forms distance light
Maximum value (Emax), by this method, only the LED light source of 0.5 square millimeter of light-emitting area, output light flux are not more than
In the case where 200lm, Emax value just can exceed that 240lx, that is, exceed the Emax value upper limit of rules and regulations.Fig. 4 is the screen of simulation
Illumination is as a result, Fig. 5 is product actual measurement.And Emax value determines the distance of distant light irradiation.
The above method can be used for requiring the higher test point of brightness in dipped beam, such as 75R value.On the utility model basis
On, it is incorporated in area source and barn door is nearby set, the barn door is arranged at lens focus, and area source is arranged after barn door
Side, to form a part of lower beam illumination or lower beam illumination with "cut-off"line, the i.e. office near dipped beam inflection point
Portion's lower beam illumination light shape is combining auxiliary dipped beam unit to realize complete dipped beam light shape, can pass through lesser luminous flux in this way
Realize higher 75R test point brightness value.
Rectangle LED luminescence chip (1mm*5mm) is separately positioned on defocus 1mm, 2mm, 3mm on the inside of convex lens again,
At 4mm and 5mm, shape of not sharing the same light is obtained, is used for far lighting.At this point, distance light maximum value is progressively lower as defocusing amount increases, but shine
Bright range is gradually big.Different speeds can be accordingly taken, using lesser lens defocusing amount or without lens defocusing amount when such as running at high speed,
Higher distance light maximum value is realized, to realize the purpose of farther illumination.
According to car light distance light regulation, distance light maximum value (i.e. Emax) needs in certain brightness range, such as automobile LED
Headlamp GB25991 is the vehicle light illumination performance code about LED light source, it is determined that using LED as the headlamp of light source, including
The luminous intensity distribution performance requirement of the illumination functions such as distance light, dipped beam.Wherein distance light maximum value (i.e. Emax value) require 48lx to 240lx it
Between, the 75R test point of dipped beam requires to be not less than 12lx, and for preferable illuminating effect, when practical Design of Luminaires generally all should
Value is increased to 20lx or more.
Dynamic lighting control method according to the present utility model and its device and car light, while there is far lighting light shape tune
Function and lower beam illumination light shape regulatory function are saved, in particular, in vehicle travel at night, to meet varying environment and road conditions
Under different lighting demands, improve travel safety, not only for dipped beam light shape, dynamic can also be carried out to far lighting light shape
Transformation.
Dynamic lighting adjusting described in the utility model can be in the preset shaped position of not sharing the same light of the different lens defocusing amounts of correspondence
Between carry out the switching of great-jump-forward light shape, the continuous transformation of light shape can also be carried out, to reach according to different speeds and different road conditions,
Form different illumination light shapes.
Claims (8)
1. a kind of car light place dynamic lighting control system, including light source and lens, which is characterized in that
The light source is LED luminescence chip area source,
The plane of incidence of the optical axis alignment lens of area source,
The light that area source issues once is collimated through lens, is propagated in parallel by approaching after lens, in front, screen forms height
The light shape of light beam,
Area source is arranged in front of or after the focus of lens just, forms lens defocus, area source is relative to the opposite of lens focus
Position, i.e. lens defocusing amount are adjustable, to realize the variation of front screen light shape, i.e. dynamic lighting.
2. a kind of car light place dynamic lighting control system as described in claim 1, which is characterized in that
The light source be rectangular or square LED luminescence chip area source, the lens defocusing amount be lens focus before or
Rear side 0-5mm,
The characteristics of luminescence of the area source is that similar Lambertian dissipates, and light emitting angle is the hemisphere face range of 0 to 90 degree.
3. a kind of car light place dynamic lighting control system as described in claim 1, which is characterized in that
The corresponding different preset different locations of lens defocusing amount, the dynamic lighting light shape can be pre- in the different lens defocusing amounts of correspondence
If several different locations between switch over, the corresponding dynamic lighting light shape is great-jump-forward transformation, with according to not
Different illumination light shapes is arranged in same speed, road conditions.
4. a kind of car light place dynamic lighting control system as claimed in claim 2, which is characterized in that
Rectangle or square luminescence chip are set at lens focus, and the light shape of luminescence chip is suitable for height at the lens focus
Speed traveling.
5. a kind of car light place dynamic lighting control system as claimed in claim 2, which is characterized in that
From rectangle or square luminescence chip are arranged at lens focus 5mm, illuminated with suitable urban road road conditions.
6. a kind of car light place dynamic lighting control system as described in -5 any one of Claims 2 or 3, which is characterized in that
The rectangle luminescence chip is selected from the rectangle luminescence chip of 1mm*1-5mm, and the square luminescence chip is selected from 1-
The square luminescence chip of 5mm*1-5mm.
7. a kind of car light place dynamic lighting control system as claimed in claim 6, which is characterized in that
The rectangle luminescence chip is selected from the rectangle luminescence chip of 1mm*5mm.
8. a kind of car light place dynamic lighting control system as described in claim 1, which is characterized in that
Barn door is set near area source, the barn door is arranged at lens focus, and area source is arranged at barn door rear,
To form a part of lower beam illumination or the lower beam illumination with "cut-off"line.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821112400.1U CN209295011U (en) | 2018-07-13 | 2018-07-13 | A kind of car light place dynamic lighting control system and car light |
| PCT/CN2019/088522 WO2020010932A1 (en) | 2018-07-13 | 2019-05-27 | Vehicle light dynamic control method, system thereof, and vehicle light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821112400.1U CN209295011U (en) | 2018-07-13 | 2018-07-13 | A kind of car light place dynamic lighting control system and car light |
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| CN209295011U true CN209295011U (en) | 2019-08-23 |
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| CN201821112400.1U Active CN209295011U (en) | 2018-07-13 | 2018-07-13 | A kind of car light place dynamic lighting control system and car light |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519671A (en) * | 2020-12-18 | 2021-03-19 | 马瑞利汽车零部件(芜湖)有限公司 | Electronic control module for realizing dynamic effect of automobile tail lamp |
| CN113294740A (en) * | 2020-12-11 | 2021-08-24 | 华域视觉科技(上海)有限公司 | Optical structure, car light module, car light and vehicle |
-
2018
- 2018-07-13 CN CN201821112400.1U patent/CN209295011U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294740A (en) * | 2020-12-11 | 2021-08-24 | 华域视觉科技(上海)有限公司 | Optical structure, car light module, car light and vehicle |
| CN112519671A (en) * | 2020-12-18 | 2021-03-19 | 马瑞利汽车零部件(芜湖)有限公司 | Electronic control module for realizing dynamic effect of automobile tail lamp |
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