CN206130804U - Optical system of far and near light integral type car LED head -light - Google Patents
Optical system of far and near light integral type car LED head -light Download PDFInfo
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- CN206130804U CN206130804U CN201621189054.8U CN201621189054U CN206130804U CN 206130804 U CN206130804 U CN 206130804U CN 201621189054 U CN201621189054 U CN 201621189054U CN 206130804 U CN206130804 U CN 206130804U
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Abstract
Optical system of far and near light integral type car LED head -light, two parts of passing lamp that far -reaching headlamp and the single mode opened simultaneously including two module light sources were organized, passing lamp optic system is by the nearly optical module of white light LED light source (1), space free -form surface makes up modified ellipsoid surface reflector (2), light projector lens (3) and aperture plate (4) are constituteed, distance light optic system is by space free -form surface modified ellipsoid surface reflector (5), white light LED light source optical module far away (6) and superimposed short -distance beam optic system constitute, its characterized in that: white light LED light source optical module far away (6) assembles second focus department from the first focus, through light projector lens (3), forms the distance light light beam jointly with the light of short -distance beam light path, and the switching of two kinds of modes forms optical system of far and near light integral type car LED head -light. The utility model discloses, avoid the glare to heteropleural lane vehicle operation person's influence betterly, improved the efficiency of light energy utilization.
Description
Technical field
This utility model belongs to optical technical field, and in particular to a kind of to provide the remote of roadway illumination to automobile driver
The optical system of dipped beam integrated car LED headlamps.
Background technology
The dim head lights system that motor vehicles are used at present can provide roadway illumination for automobile driver.According to the country
Outer headlamp standard, dipped beam system should be in the case where avoiding causing dazzle to road opposite car driver, there is provided enough water
Adjacent lane is illuminated in the roadway illumination of flat width, and while track can be illuminated at a distance, judges surface conditions provider to driver
Just.
Car light standard GB4599-2007 adopted by China《Car headlamp matches somebody with somebody performance》It is to refer to Economic Commission for Europe
Relevant laws and regulations《E/ECE/324 Addendum 1:Regulations No.1 and No.2》.For shining before vapour automobile-used LED
Lamp, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and Standardization Administration of China were in 2011 01
The moon 10 was issued, and implemented new vapour Vehicular LED headlamp GB GB25991-2010 within 01 01st, 2012, according to GB mark
Standard, automotive headlight dipped beam system need one horizontal extension of formation at 25 meters in front of car light to reach 7920mm, vertical to expand
Exhibition reaches the rectangular light spot of 1250mm；Meanwhile, in the right half part of hot spot, it has been superimposed on the basis of rectangular light spot and horizontal direction
Into 15 ° of rectangular light spot.The upper edge of whole hot spot will form a clear cut-off line, i.e. a left side for dead line in test screen
Half part level, right half part is from the horizontal by 15 °；Meanwhile, there should be one piece of suitable clear zone below the turning point of dead line
Particular point is illuminated.
Mainly using halogen tungsten lamp and xenon lamp as light source, the optical system of employing includes existing automobile headlight low beam system
Quadratic surface reflector-baffle plate-lens combination and free-form surface reflector, there are the following problems：1. halogen tungsten lamp is used as light
Source, will can produce and meet the illumination for requiring, its power requirement is very high, and the halogen tungsten lamp used by car light has strict light
Source standard and classification, thus the operating cost of system is very high；2. head lamp system is needed in night long-play, halogen tungsten lamp
Life-span is relatively short, so that airport frequently more changes the bulb, maintenance cost is also higher；3. either anti-using quadratic surface
Emitter-baffle plate-lens combination still adopts free-form surface reflector, the light of light source outgoing have quite a few by baffle plate or
Person's aluminum sunshade keeps off and absorbs, and makes overall optical system efficiency be very limited；4. realized using free-form surface reflector
Hot spot dead line is generally not clear enough, there is hot spot burr；5. intelligent wisdom illumination is difficult to.
Utility model content
For drawbacks described above, the purpose of this utility model is to provide a kind of distance-light integral type vapour based on LED light source
The optical system of Herba Plantaginis illuminator, is the two module groups as light source using the high power white LED of some LEDs chip COB encapsulation
Distance-light light path is closed, the illumination of integrated car LED headlamp long-and-short distant lights is realized, is also carried for further intelligence wisdom illumination
Research foundation is supplied.
The technical solution of the utility model is：The optical system of distance-light integrated car LED headlamps, including two modules
Two parts of high beam and single dipped headlights that light source is opened simultaneously, dipped headlights light path system is by white LED light source dipped beam mould
Group, Space Free-Form Surface combine improved ellipsoidal reflector, light projector lens and aperture plate composition, and distance light light path system is by space
The dipped beam light path system composition of the improved ellipsoidal reflector of free form surface, white LED light source distance light module and superposition, distance light
Light source radiator and low beam light source radiator composition white LED light source distance light module, the radiating system of white LED light source dipped beam module
System, the light source geometric center of white LED light source dipped beam module are placed in Space Free-Form Surface and combine improved ellipsoidal reflector
First focal point, aperture plate are placed in the second near focal point that Space Free-Form Surface combines improved ellipsoidal reflector, same to time
Late plate is located near the front focus of light projector lens, and the light source geometric center of white LED light source distance light module is placed in space freely song
First focal point of the improved ellipsoidal reflector in face, Space Free-Form Surface combine improved ellipsoidal reflector and space freedom
Second focus of the improved ellipsoidal reflector of surface composition approximately overlaps；It is characterized in that：The white LED light source dipped beam mould
The light that group sends converges to the second focus from the first focal point that Space Free-Form Surface combines improved ellipsoidal reflector
Place, through aperture plate, allows most light to go out to illuminate into light projector lens projects, and forms 15 ° of oblique lines or 45 ° of steps
The passing beam of the dead line of formula；It is anti-that the white LED light source distance light module combines improved ellipsoid from Space Free-Form Surface
First focal point of emitter sets out and converges to the second focal point, while aperture plate is removed, goes out through light projector lens projects, and near
The light of light light path is collectively forming driving beam, and the switching of both of which forms the optics of distance-light integrated car LED headlamps
System.
The white LED light source dipped beam module and white LED light source distance light module are some high-power LED chip COB
The white LED light source module for having specific array distribution of encapsulation, light source power size 5-20W, white LED light source dipped beam module
Light-emitting area normal combines the feature of improved ellipsoidal reflector parallel or orthogonal to ellipsoid according to Space Free-Form Surface
Reflector axis of symmetry, the axis of symmetry of the light-emitting area normal of white LED light source distance light module perpendicular to ellipsoidal reflector.
The Space Free-Form Surface combines improved ellipsoidal reflector and is adaptable to white LED light source dipped beam modular structure
Many surface compositions, length is 20-100 mm, and for 30-150mm, the first focal length is 5-50mm to bore, and inner surface is using high anti-
Rate filming on mirror surface is penetrated, reflectance reaches more than 95%.
Described aperture plate is 15 degree of oblique edge of a knife aperture plates, or the step edge of a knife aperture plate that 45 degree of oblique lines are excessive, knife
Mouth is centrally located at and is intersected with chief ray optical axis, and chief ray optical axis is perpendicular to edge of a knife face.
The front focus of described light projector lens combines the second focus of improved ellipsoidal reflector in Space Free-Form Surface
Nearby and forward out of focus 1-8mm, the relative opening of the relative aperture of light projector lens equal to or more than ellipsoidal reflector outgoing beam
Footpath.
Described ellipsoidal reflector is adaptable to white LED light source distance light module and white LED light source dipped beam module knot
Many surface compositions of structure, each first focus of ellipsoidal reflector are 10-50 mm, and the second focus is 15-100mm, and bore is
Half bore of 25mm-141mm, length is 12.5mm-100mm, and inner surface adopts high reflectance minute surface plated film, reflectance to be up to
More than 95%, Space Free-Form Surface combines the second focus of improved ellipsoidal reflector and combines improved with Space Free-Form Surface
The geometric center of the second focus of ellipsoidal reflector overlaps.
Opened by white LED light source dipped beam module and white LED light source distance light module simultaneously, when aperture plate is removed, two light
What outgoing was effectively combined on road is driving beam；Single dipped beam light path white LED light source dipped beam module is opened, and keeps aperture plate position
Put, outgoing is passing beam.
By two white LED light source dipped beam modules and the low beam light source radiator and distance light light of white LED light source distance light module
The combination of source heat-dissipating device, both radiated to each of which module, and also simultaneously two modules can be radiated.
This utility model, using two module white LED light sources, integral type distance photo structure, can send and fully meet state
The illuminating bundle of inside and outside related headlamp distance light standard, and enough road illuminations are provided and dazzle is preferably avoided for different
The impact of side track vehicle driver, to exclude driving interference and help automobile drivers to see front in time clearly（Or above
's）Pavement behavior.The energy consumption of system is reduced, is sent system by optical design and is met the hot spot for requiring, and improve which
Utilization rate to luminous energy.Only with the LED light source of energy consumption 15-20W（Group）Realize for based on tradition 55W and above light source halogen tungsten lamp
With the replacement of the distance light system of xenon lamp, with the LED light source of energy consumption 10-15W（Group）Realize for based on tradition 55W and above light source
The replacement of the dipped beam system of halogen tungsten lamp and xenon lamp, and realized illuminating effect is better than the optical system of traditional headlight.
Description of the drawings
Fig. 1 is the optical system structure schematic diagram of this utility model distance-light integrated car LED headlamps.
Fig. 2 is two white light LEDs module of this utility model while opening, light path schematic diagram of the projecting beam for driving beam.
Fig. 3 is this utility model dipped beam optical system structure schematic diagram.
Fig. 4 is the index path of this utility model dipped beam optical system.
In figure：1 white LED light source dipped beam module, 2 Space Free-Form Surfaces combine improved dipped beam ellipsoidal reflector, 3 throwings
Optical lens, 4 aperture plates, 5 Space Free-Form Surfaces combine improved distance light ellipsoidal reflector, 6 white LED light source distance light modules, 7
High-beam light source radiator, 8 low beam light source radiators.
Specific embodiment
The optical system of distance-light integrated car LED headlamps, including the high beam simultaneously opened of two die set light sources and
Single two parts of dipped headlights, dipped headlights light path system include that white LED light source dipped beam module 1, Space Free-Form Surface is combined
Improved ellipsoidal reflector 2, light projector lens 3 and aperture plate 4 are constituted, and distance light light path system includes that Space Free-Form Surface is improved
The dipped beam light path system composition of ellipsoidal reflector 5, white LED light source distance light module 6 and superposition, high-beam light source radiator 7
The cooling system of distance light white LED light source distance light module 6, white LED light source dipped beam module 1 is constituted with low beam light source radiator 8,
The light source geometric center of white light LEDs module I1 is placed in the first focus that Space Free-Form Surface combines improved ellipsoidal reflector 2
Place, aperture plate 4 are placed in the second near focal point that Space Free-Form Surface combines improved ellipsoidal reflector 2, while aperture plate 4
Near the front focus of light projector lens 3, the light source geometric center of white LED light source distance light module 6 is placed in Space Free-Form Surface and changes
First focal point of the ellipsoidal reflector 5 for entering, Space Free-Form Surface combines improved ellipsoidal reflector 2 and space is freely bent
Combine the second focus of improved ellipsoidal reflector 5 and approximately overlap in face；The light that the white LED light source dipped beam module 1 sends
The first focal point that improved ellipsoidal reflector 2 is combined from Space Free-Form Surface converges to the second focal point, Jing Guoguang
Late plate 4, allows most light to project away illumination into light projector lens 3, and forms cutting for 15 ° of oblique lines or 45 ° of steps
The only passing beam of line；The white LED light source distance light module 6 combines improved ellipsoidal reflector 2 from Space Free-Form Surface
The first focal point set out and converge to the second focal point, while aperture plate 4 is removed, project away through light projector lens 3, with dipped beam
The light of light path is collectively forming driving beam, and the switching of both of which forms the optical system of distance-light integrated car LED headlamps
System.
Embodiment 1：
As shown in figure 1, being this utility model distance-light integrated car LED headlamp optics system construction drawings, Fig. 2 is remote
The index path of light projection light beam, is this utility model dipped beam optical system structure figure shown in Fig. 3, and Fig. 4 is dipped beam optical system light
Lu Tu；6 ~ 15W white LED light source dipped beams the module 1 encapsulated using high-power multi-core piece COB and 4 ~ 12W of multi-chip COB encapsulation
Used as light source, Space Free-Form Surface combines the length of improved dipped beam ellipsoidal reflector 2 and is white LED light source distance light module 6
40mm, bore are 60mm, and the first focal length is 9mm, and the second focal length is 39mm, the first focal position and white LED light source dipped beam mould
The geometric center of group 1 overlaps, and aperture plate 4 is 15 degree of oblique edge of a knife aperture plates, or the step edge of a knife diaphragm that 45 degree of oblique lines are excessive
Plate, the edge of a knife are centrally located at and are intersected with chief ray optical axis, and chief ray optical axis is perpendicular to edge of a knife face, positioned at Space Free-Form Surface group
Close the second near focal point of improved dipped beam ellipsoidal reflector 2, the front focus of light projector lens 3 is the of ellipsoidal reflector 2
Two near focal points, the bore of light projector lens 3 is 60mm, and front focal length is 37mm；Space Free-Form Surface combines improved dipped beam ellipsoid
5 length of face reflector be 30mm, bore for 34mm half bore, the first focal length be 9mm, the second focal length be 50mm, the first focus
Overlap with the geometric center of white LED light source distance light module 6, the second focus combines improved dipped beam ellipsoid with Space Free-Form Surface
Second focus of face reflector 2 overlaps.
According to GB GB4599-2007《Car headlamp matches somebody with somebody performance》The far and near photosystem of the car headlamp of regulation
Test request on the optic test screen of 25m distant places；By the distance-light optical system light source of distance-light integrated car LED headlamps
LED is lighted, and is observed intensity of illumination distribution in the remote test panels of 25m, and is finely tuned, and meets the requirement of car headlamp distance optical illumination,
Other key points also meet requirement.
This utility model has following characteristics：
1. the automobile LED headlamp of distance-light integral type, compact conformation, small volume；
2. the automobile LED headlamp distance-light of distance-light integral type automatically switches, and is advantageously implemented intelligent wisdom illumination；
3., used as light source, power is little, and system energy consumption is little, life-span length for the white light LEDs of oneself encapsulation；
4. the automobile LED headlamp distance-light light distribution of distance-light integral type rationally, uniformly, light projector lens forming it is near
Light dead line is clear, and simple structure is easy to debugging and effect is good, installs and easy to maintenance；
5. the automobile LED headlamp of distance-light integral type, luminous flux utilization rate are high, and whole lamp energy consumption is little；
6. the automobile LED headlamp of distance-light integral type can substitute the conventional light source halogen tungsten lamp and xenon lamp of high energy consumption.
Claims (7)
1. high beam and list that the optical system of distance-light integrated car LED headlamps, including two die set light sources is opened simultaneously
Only two parts of dipped headlights, dipped headlights light path system is by white LED light source dipped beam module（1）, Space Free-Form Surface combination change
The ellipsoidal reflector for entering（2）, light projector lens（3）And aperture plate（4）Composition, distance light light path system are improved by Space Free-Form Surface
Ellipsoidal reflector（5）, white LED light source distance light module（6）And the dipped beam light path system of superposition is constituted, high-beam light source dissipates
Hot device（7）With low beam light source radiator（8）Composition white LED light source distance light module（6）, white LED light source dipped beam module（1）'s
Cooling system, white LED light source dipped beam module（1）Light source geometric center be placed in Space Free-Form Surface and combine improved ellipsoid
Reflector（2）The first focal point, aperture plate（4）It is placed in Space Free-Form Surface and combines improved ellipsoidal reflector（2）
Two near focal points, while aperture plate（4）Positioned at light projector lens（3）Front focus near, white LED light source distance light module（6）'s
Light source geometric center is placed in the improved ellipsoidal reflector of Space Free-Form Surface（5）The first focal point, Space Free-Form Surface group
Close improved ellipsoidal reflector（2）Improved ellipsoidal reflector is combined with Space Free-Form Surface（5）The second focus it is approximate
Overlap；It is characterized in that：The white LED light source dipped beam module（1）The light for sending combines improved ellipse from Space Free-Form Surface
Spheric reflector（2）The first focal point set out and converge to the second focal point, through aperture plate（4）, allow most light to enter
Light projector lens（3）Illumination is projected away, and forms the passing beam of the dead line of 15 ° of oblique lines or 45 ° of steps；It is described white
Light LED light source distance light module（6）Improved ellipsoidal reflector is combined from Space Free-Form Surface（2）The first focal point set out meeting
Gather the second focal point, while aperture plate（4）Remove, through light projector lens（3）Projection is gone out, the common shape with the light of dipped beam light path
Into driving beam, the switching of both of which forms the optical system of distance-light integrated car LED headlamps.
2. the optical system of distance-light integrated car LED headlamps according to claim 1, it is characterised in that：It is described
White LED light source dipped beam module（1）With white LED light source distance light module（6）For some high-power LED chip COB encapsulation
The white LED light source module for having specific array to be distributed, light source power size 5-20W, white LED light source dipped beam module（1）Send out
Bright finish normal combines improved ellipsoidal reflector according to Space Free-Form Surface（2）Feature parallel or orthogonal to ellipsoid
Reflector（2）Axis of symmetry, white LED light source distance light module（6）Light-emitting area normal perpendicular to ellipsoidal reflector（5）It is symmetrical
Axle.
3. the optical system of distance-light integrated car LED headlamps according to claim 1, it is characterised in that：It is described
Ellipsoidal reflector（2）It is adaptable to white LED light source dipped beam module（1）Many surface compositions of structure, length is 20-100
Mm, for 30-150mm, the first focal length is 5-50mm to bore, and inner surface adopts the high reflectance minute surface plated film, reflectance to reach 95%
More than.
4. the optical system of distance-light integrated car LED headlamps according to claim 1, it is characterised in that：It is described
Aperture plate（4）It is 15 degree of oblique edge of a knife aperture plates, or the step edge of a knife aperture plate that 45 degree of oblique lines are excessive, the edge of a knife is centrally located at
Intersect with chief ray optical axis, and chief ray optical axis is perpendicular to edge of a knife face.
5. the optical system of distance-light integrated car LED headlamps according to claim 1, it is characterised in that：It is described
Light projector lens（3）Front focus in ellipsoidal reflector（2）The second near focal point and out of focus 1-8mm forward, light projector lens
（3）Relative aperture be equal to or more than ellipsoidal reflector（2）The relative aperture of outgoing beam.
6. the optical system of distance-light integrated car LED headlamps according to claim 1, it is characterised in that：It is described
Ellipsoidal reflector（5）It is adaptable to white LED light source distance light module（6）Many surface compositions of structure, each ellipsoid are anti-
The first focus of emitter is 10-50 mm, and the second focus is 15-100mm, half bore of the bore for 25mm-141mm, and length is
12.5mm-100mm, inner surface adopt high reflectance minute surface plated film, reflectance to be up to more than 95%, and Space Free-Form Surface combination changes
The ellipsoidal reflector for entering（2）The second focus improved ellipsoidal reflector is combined with Space Free-Form Surface（5）It is second burnt
The geometric center of point overlaps.
7. the optical system of distance-light integrated car LED headlamps according to claim 1, it is characterised in that：By white
Light LED light source dipped beam module（1）With white LED light source distance light module（6）Open simultaneously, aperture plate（4）When removing, two light paths have
The combination outgoing of effect is driving beam；Single dipped beam light path white LED light source dipped beam module（1）Open, keep aperture plate（4）Position
Put, outgoing is passing beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189054.8U CN206130804U (en) | 2016-10-31 | 2016-10-31 | Optical system of far and near light integral type car LED head -light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189054.8U CN206130804U (en) | 2016-10-31 | 2016-10-31 | Optical system of far and near light integral type car LED head -light |
Publications (1)
| Publication Number | Publication Date |
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| CN206130804U true CN206130804U (en) | 2017-04-26 |
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ID=58577836
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621189054.8U Expired - Fee Related CN206130804U (en) | 2016-10-31 | 2016-10-31 | Optical system of far and near light integral type car LED head -light |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439689A (en) * | 2016-10-31 | 2017-02-22 | 江苏洪昌科技股份有限公司 | High beam and low beam integrated automobile LED headlamp optical system |
| CN108644739A (en) * | 2018-04-24 | 2018-10-12 | 广州市佛达信号设备有限公司 | A kind of distance-light multi-focus lens and module |
| WO2019179121A1 (en) * | 2018-03-19 | 2019-09-26 | 深圳市绎立锐光科技开发有限公司 | Light source module and automobile headlamp |
| WO2020211796A1 (en) * | 2019-04-16 | 2020-10-22 | 华域视觉科技(上海)有限公司 | High/low beam headlight structure for automobile lamps and lighting device having integrated high/low beams |
-
2016
- 2016-10-31 CN CN201621189054.8U patent/CN206130804U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439689A (en) * | 2016-10-31 | 2017-02-22 | 江苏洪昌科技股份有限公司 | High beam and low beam integrated automobile LED headlamp optical system |
| WO2019179121A1 (en) * | 2018-03-19 | 2019-09-26 | 深圳市绎立锐光科技开发有限公司 | Light source module and automobile headlamp |
| CN110285381A (en) * | 2018-03-19 | 2019-09-27 | 深圳市绎立锐光科技开发有限公司 | A light source module and a vehicle headlamp |
| CN108644739A (en) * | 2018-04-24 | 2018-10-12 | 广州市佛达信号设备有限公司 | A kind of distance-light multi-focus lens and module |
| CN108644739B (en) * | 2018-04-24 | 2020-05-08 | 广州市佛达信号设备有限公司 | Far and near light multifocal lens and module |
| WO2020211796A1 (en) * | 2019-04-16 | 2020-10-22 | 华域视觉科技(上海)有限公司 | High/low beam headlight structure for automobile lamps and lighting device having integrated high/low beams |
| CN111828928A (en) * | 2019-04-16 | 2020-10-27 | 华域视觉科技(上海)有限公司 | Far/near light structure and far/near light integrated lighting device for car light |
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