CN108758547A - A kind of automobile LED headlight - Google Patents
A kind of automobile LED headlight Download PDFInfo
- Publication number
- CN108758547A CN108758547A CN201810986333.4A CN201810986333A CN108758547A CN 108758547 A CN108758547 A CN 108758547A CN 201810986333 A CN201810986333 A CN 201810986333A CN 108758547 A CN108758547 A CN 108758547A
- Authority
- CN
- China
- Prior art keywords
- led
- dipped beam
- concentrator
- light
- distance 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.)
- Pending
Links
- 238000005286 illumination Methods 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A kind of automobile LED headlight of the present invention, it includes ellipsoid lens, dipped beam concentrator, distance light concentrator and heavy wall light guide, dipped beam LED and distance light LED, it is characterised in that：The light that dipped beam LED is projected forms the illumination below of dipped beam "cut-off"line by reaching ellipsoid lens after dipped beam concentrator, and to external exposure, and dipped beam concentrator is offset downward with respect to dipped beam LED horizontal lines；By reaching ellipsoid lens after distance light concentrator, and to illumination more than external exposure formation dipped beam "cut-off"line, distance light concentrator is offset up the light that distance light LED is projected with respect to distance light LED horizontal lines.A kind of automobile LED headlight of the present invention has the advantages that improve the center brightness of LED headlamp distance-light.
Description
Technical field
The present invention relates to a kind of automobile LED headlights.
Background technology
With economic development, people's living standards continue to improve, automobile is more and more common, and people are to car light requirement
Also it is being continuously improved, LED headlamp distance-light receives vast depot and terminal visitor due to high color temperature, long-life, high brightness
The welcome at family.How using making full use of the LED to become critically important problem.For by lighting different LED and passing through
Concentrator realizes the module of the double light of distance-light, and the prior art is that LED light directions, module lens light direction are consistent, corresponding
Concentrator three direction it is consistent or the directions LED are consistent with concentrator direction, but differ with module lens light direction
It causes, therefore the center brightness of LED headlamp distance-light is poor.
Invention content
The purpose of the present invention is to overcome the above shortcomings and to provide the one kind for the center brightness for improving LED headlamp distance-light
Automobile LED headlight.
The object of the present invention is achieved like this：
A kind of automobile LED headlight, it includes ellipsoid lens, dipped beam concentrator, distance light concentrator and heavy wall light guide, dipped beam
LED and distance light LED,
The light that dipped beam LED is projected forms dipped beam light and shade by reaching ellipsoid lens after dipped beam concentrator, and to external exposure
Dead line illumination below, dipped beam concentrator 2 are offset downward with respect to dipped beam LED horizontal lines；
The light that distance light LED is projected forms dipped beam light and shade by reaching ellipsoid lens after distance light concentrator, and to external exposure
Illumination more than dead line, distance light concentrator are offset up with respect to distance light LED horizontal lines.
As a preferred embodiment, dipped beam concentrator offsets downward 5 ° -15 ° with respect to dipped beam LED horizontal lines, dipped beam LED is made to be formed
Hot spot close to central area.
As a preferred embodiment, distance light concentrator offsets up 5 ° -15 ° with respect to distance light LED horizontal lines, distance light LED is made to be formed
Hot spot close to central area.
As a preferred embodiment, the "cut-off"line forming face for having surface smooth on the upside of distance light concentrator and heavy wall light guide, bright
Dark dead line forming face changes radiation direction using smooth flat, forms "cut-off"line.
As a preferred embodiment, being horizontal plane at left and right sides of "cut-off"line forming face, which has 0.4mm-0.8mm to fall
Difference.
As a preferred embodiment, the surface that there is a drop in left and right two lean on it is at 45 ° or 15 ° of inclined-plane is connect with horizontal plane, two
Horizontal plane can be connect or be directly connected to fillet with three, inclined-plane plane.
As a preferred embodiment, "cut-off"line forming face surface has boss or salient point.
As a preferred embodiment, three area's optical textures are provided on distance light concentrator and heavy wall light guide, three area's optical textures
On the downside of the front of dipped beam light concentrator.
As a preferred embodiment, three area's optical texture height are 0.4mm-1mm.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of automobile LED headlight of the present invention reduces cost, by adjusting dipped beam concentrator and distance light concentrator and heavy wall
The position of light guide does not need two pieces of circuit boards or carries out bending to circuit board, in addition to adjust the angle of dipped beam and distance light
Also have the advantages that improve the center brightness of LED headlamp distance-light.
Description of the drawings
Fig. 1 is the schematic diagram that a kind of automobile LED headlight of the present invention marks deviation angle.
Fig. 2 is a kind of structural schematic diagram of automobile LED headlight of the present invention.
Fig. 3 is a kind of stereogram of automobile LED headlight of the present invention.
Wherein：
Ellipsoid lens 1, dipped beam concentrator 2, distance light concentrator and heavy wall light guide 3, dipped beam LED 4, distance light LED 5, lens
Holder 6, radiator 7, circuit board 8.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only invention a part of the embodiment, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig. 1-Fig. 3, a kind of automobile LED headlight of the present invention, it include positioned at leading portion ellipsoid lens 1,
Dipped beam LED 4 and distance light LED 5 positioned at the dipped beam concentrator 2 in stage casing, distance light concentrator and heavy wall light guide 3, positioned at back segment,
Wherein ellipsoid lens 1 are installed on lens carrier 6, and dipped beam LED 4 and distance light LED 5 are installed on circuit in upper and lower position respectively
On plate 8, radiator 7 is provided with behind circuit board 8, dipped beam concentrator 2 is located at the front side of dipped beam LED 4 and the two is mutually leaned on
Closely, distance light concentrator and heavy wall light guide 3 be located at distance light LED 5 front side and the two it is close to each other；
Wherein：
The "cut-off"line forming face 3-1 that distance light concentrator and 3 upside of heavy wall light guide have surface smooth, "cut-off"line shape
Smooth flat is used at face 3-1, changes radiation direction, forms "cut-off"line；
It is horizontal plane at left and right sides of "cut-off"line forming face 3-1, which has 0.4mm-0.8mm drops, left and right two
A surface for having a drop is leaned at 45 ° or 15 ° of inclined-plane connect with horizontal plane, and two horizontal planes can be used with three, inclined-plane plane to be justified
Angle connects or is directly connected to；
The surfaces "cut-off"line forming face 3-1 may be used boss or salient point to avoid the positions 50L be more than statutory standard simultaneously
Cause to dazzle the eyes；
On distance light concentrator and heavy wall light guide 3, there are three area optical texture 3-2 on the downside of the front of dipped beam light concentrator 2, three
Area's optical texture 3-2 height is 0.4mm-1mm；
The wide part that dipped beam LED 5 is sent out reaches ellipsoid lens 1 by dipped beam concentrator 2, and is formed closely to external exposure
The illumination below of light "cut-off"line；
The light that dipped beam LED 5 is sent out reaches "cut-off"line forming face 3-1 by dipped beam concentrator 2, changes radiation direction,
Form "cut-off"line；
5 small part light of dipped beam LED reaches three area optical texture 3-2 of dipped beam, passes through distance light optically focused by dipped beam concentrator 2
The refraction and reflection of device and heavy wall light guide 3 reach ellipsoid lens 1, and to external exposure at the above area of dipped beam "cut-off"line
The illumination positioned at three region of dipped beam；
Distance light LED 4 reaches ellipsoid lens 1 and to external exposure to form distance light by distance light concentrator and heavy wall light guide 3
Partial illumination, which forms the distance light light type or far lighting of distance light together with the light that dipped beam LED 5 is sent out.
In addition：The light that dipped beam LED 4 is projected is formed by reaching ellipsoid lens 1 after dipped beam concentrator 2 to external exposure
The illumination below of dipped beam "cut-off"line, dipped beam concentrator 2 with respect to offset alpha ° (5≤α≤15) under 4 horizontal alignment of dipped beam LED,
Make the hot spot that dipped beam LED 4 is formed close to central area, to obtain better road lighting；
The light that distance light LED 5 is projected forms dipped beam by reaching ellipsoid lens 1 after distance light concentrator 3, and to external exposure
Illumination more than "cut-off"line, distance light concentrator 3 offset up β ° (5≤β≤15) with respect to 5 horizontal lines of distance light LED, make remote
The hot spot that light LED 5 is formed is close to central area, to obtain better road lighting.
The specific application example that the above is only the present invention, is not limited in any way protection scope of the present invention.All uses
Equivalent transformation or equivalent replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Claims (9)
1. a kind of automobile LED headlight, it includes ellipsoid lens, dipped beam concentrator, distance light concentrator and heavy wall light guide, dipped beam
LED and distance light LED,
It is characterized in that：The light that dipped beam LED is projected is formed closely by reaching ellipsoid lens after dipped beam concentrator to external exposure
The illumination below of light "cut-off"line, dipped beam concentrator 2 are offset downward with respect to dipped beam LED horizontal lines；
The light that distance light LED is projected forms the cut-off of dipped beam light and shade by reaching ellipsoid lens after distance light concentrator, and to external exposure
Illumination more than line, distance light concentrator are offset up with respect to distance light LED horizontal lines.
2. a kind of automobile LED headlight according to claim 1, it is characterised in that：Dipped beam concentrator is with respect to dipped beam LED water
Horizontal line offsets downward 5 ° -15 °, makes the hot spot that dipped beam LED is formed close to central area.
3. a kind of automobile LED headlight according to claim 1, it is characterised in that：Distance light concentrator is with respect to distance light LED water
Horizontal line offsets up 5 ° -15 °, makes the hot spot that distance light LED is formed close to central area.
4. a kind of automobile LED headlight according to claim 1, it is characterised in that：On distance light concentrator and heavy wall light guide
The "cut-off"line forming face that side has surface smooth, "cut-off"line forming face change radiation direction using smooth flat, are formed
"cut-off"line.
5. a kind of automobile LED headlight according to claim 1, it is characterised in that："cut-off"line forming face or so two
Side is horizontal plane, which has 0.4mm-0.8mm drops.
6. a kind of automobile LED headlight according to claim 5, it is characterised in that：Left and right two has the surface of drop to lean on
At 45 ° or 15 ° of inclined-plane is connect with horizontal plane, two horizontal planes can be connect with fillet with three, inclined-plane plane or directly be connected
It connects.
7. a kind of automobile LED headlight according to claim 4, it is characterised in that："cut-off"line forming face surface has
There are boss or salient point.
8. a kind of automobile LED headlight according to claim 4, it is characterised in that：In distance light concentrator and heavy wall light guide
On be provided with three area's optical textures, three area's optical textures are located on the downside of the front of dipped beam light concentrator.
9. a kind of automobile LED headlight according to claim 8, it is characterised in that：Three area's optical texture height are
0.4mm-1mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986333.4A CN108758547A (en) | 2018-08-28 | 2018-08-28 | A kind of automobile LED headlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986333.4A CN108758547A (en) | 2018-08-28 | 2018-08-28 | A kind of automobile LED headlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108758547A true CN108758547A (en) | 2018-11-06 |
Family
ID=63966997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986333.4A Pending CN108758547A (en) | 2018-08-28 | 2018-08-28 | A kind of automobile LED headlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108758547A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027947A (en) * | 2018-08-28 | 2018-12-18 | 江阴司达光电科技有限公司 | Automobile LED headlight |
| CN110043864A (en) * | 2019-05-14 | 2019-07-23 | 大茂伟瑞柯车灯有限公司 | A kind of far and near optical mode group that flat interior lens is applied in combination with heavy section casting |
| CN110701568A (en) * | 2019-10-10 | 2020-01-17 | 东风汽车有限公司 | Front light |
| WO2020173071A1 (en) * | 2019-02-25 | 2020-09-03 | 华域视觉科技(上海)有限公司 | Integrated high and low beam vehicle lamp module |
| KR20210094622A (en) * | 2018-12-21 | 2021-07-29 | 제트카베 그룹 게엠베하 | Lighting devices for automobile headlamps and automobile headlamps |
| KR20210096126A (en) * | 2020-01-20 | 2021-08-04 | 하스코 비전 테크놀로지 컴퍼니 리미티드 | Headlight optical element, headlight module, vehicle lamp and vehicle |
| WO2022001012A1 (en) * | 2020-07-02 | 2022-01-06 | 惠州市弗朗特光电科技有限公司 | Vehicle and high-low beam integrated led vehicle lamp thereof |
| WO2022100057A1 (en) * | 2020-11-16 | 2022-05-19 | 华域视觉科技(上海)有限公司 | Optical device for vehicle lamp, vehicle lighting device, and vehicle |
| US11408576B2 (en) | 2019-02-25 | 2022-08-09 | HASCO Vision Technology Co., LTD | High and low beam integrated vehicle lamp lighting device, vehicle lamp, and vehicle |
| US20230043186A1 (en) * | 2020-01-20 | 2023-02-09 | Hasco Vision Technology Co., Ltd. | Headlamp optical element, vehicle lamp module, vehicle lamp, and vehicle |
| EP4253836A4 (en) * | 2020-11-24 | 2024-10-09 | Stanley Electric Co Ltd | Vehicle lamp |
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| CN107366870A (en) * | 2017-08-16 | 2017-11-21 | 上海小糸车灯有限公司 | LED light source distance-light one car light module |
| CN109027947A (en) * | 2018-08-28 | 2018-12-18 | 江阴司达光电科技有限公司 | Automobile LED headlight |
| CN208871531U (en) * | 2018-08-28 | 2019-05-17 | 江阴司达光电科技有限公司 | A kind of automobile LED headlight |
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| CN106122870A (en) * | 2016-08-17 | 2016-11-16 | 上海小糸车灯有限公司 | A kind of LED light source distance-light one car light module |
| CN106439672A (en) * | 2016-08-17 | 2017-02-22 | 上海小糸车灯有限公司 | LED light source car light module |
| CN107366870A (en) * | 2017-08-16 | 2017-11-21 | 上海小糸车灯有限公司 | LED light source distance-light one car light module |
| CN109027947A (en) * | 2018-08-28 | 2018-12-18 | 江阴司达光电科技有限公司 | Automobile LED headlight |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027947A (en) * | 2018-08-28 | 2018-12-18 | 江阴司达光电科技有限公司 | Automobile LED headlight |
| KR102561884B1 (en) | 2018-12-21 | 2023-08-01 | 제트카베 그룹 게엠베하 | Lighting devices for automobile headlamps and automobile headlamps |
| KR20210094622A (en) * | 2018-12-21 | 2021-07-29 | 제트카베 그룹 게엠베하 | Lighting devices for automobile headlamps and automobile headlamps |
| WO2020173071A1 (en) * | 2019-02-25 | 2020-09-03 | 华域视觉科技(上海)有限公司 | Integrated high and low beam vehicle lamp module |
| US11408576B2 (en) | 2019-02-25 | 2022-08-09 | HASCO Vision Technology Co., LTD | High and low beam integrated vehicle lamp lighting device, vehicle lamp, and vehicle |
| CN110043864A (en) * | 2019-05-14 | 2019-07-23 | 大茂伟瑞柯车灯有限公司 | A kind of far and near optical mode group that flat interior lens is applied in combination with heavy section casting |
| CN110701568B (en) * | 2019-10-10 | 2022-03-08 | 东风汽车有限公司 | Front light |
| CN110701568A (en) * | 2019-10-10 | 2020-01-17 | 东风汽车有限公司 | Front light |
| US20230043186A1 (en) * | 2020-01-20 | 2023-02-09 | Hasco Vision Technology Co., Ltd. | Headlamp optical element, vehicle lamp module, vehicle lamp, and vehicle |
| KR20210096126A (en) * | 2020-01-20 | 2021-08-04 | 하스코 비전 테크놀로지 컴퍼니 리미티드 | Headlight optical element, headlight module, vehicle lamp and vehicle |
| EP3882514A4 (en) * | 2020-01-20 | 2022-04-06 | Hasco Vision Technology Co., Ltd. | Headlamp optical element, headlamp module, vehicle lamp, and vehicle |
| US11745639B2 (en) | 2020-01-20 | 2023-09-05 | Hasco Vision Technology Co., Ltd. | Headlamp optical element, headlamp module, vehicle lamp and vehicle |
| KR102610227B1 (en) * | 2020-01-20 | 2023-12-04 | 하스코 비전 테크놀로지 컴퍼니 리미티드 | Headlight optical elements, headlight modules, vehicle lamps and vehicles |
| US11927318B2 (en) * | 2020-01-20 | 2024-03-12 | Hasco Vision Technology Co., Ltd. | Headlamp optical element with III-region light shape forming structure |
| WO2022001012A1 (en) * | 2020-07-02 | 2022-01-06 | 惠州市弗朗特光电科技有限公司 | Vehicle and high-low beam integrated led vehicle lamp thereof |
| WO2022100057A1 (en) * | 2020-11-16 | 2022-05-19 | 华域视觉科技(上海)有限公司 | Optical device for vehicle lamp, vehicle lighting device, and vehicle |
| EP4253836A4 (en) * | 2020-11-24 | 2024-10-09 | Stanley Electric Co Ltd | Vehicle lamp |
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