CN105588062B - A kind of composite automobile headlamp - Google Patents
A kind of composite automobile headlamp Download PDFInfo
- Publication number
- CN105588062B CN105588062B CN201610149290.5A CN201610149290A CN105588062B CN 105588062 B CN105588062 B CN 105588062B CN 201610149290 A CN201610149290 A CN 201610149290A CN 105588062 B CN105588062 B CN 105588062B
- Authority
- CN
- China
- Prior art keywords
- light
- guide plate
- light guide
- light source
- reflector
- 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.)
- Expired - Fee Related
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 230000011514 reflex Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000001795 light effect Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 241000736199 Paeonia Species 0.000 description 2
- 235000006484 Paeonia officinalis Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000009738 saturating Methods 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
-
- 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
- F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- 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
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
The present invention relates to a kind of composite automobile headlamps, including light guide plate, reflector, the first LED light source and the second LED light source, the open end of reflector is arranged in light guide plate, and the side of light guide plate is arranged in the first LED light source, and the bottom of reflector is arranged in the second LED light source.It is different from the car headlamp that existing daytime running lights are provided separately with night-run lamp; composite automobile headlamp of the invention is using the light guide plate of daytime running lights as the light permeable protection of night-run lamp; daytime running lights and night-run lamp are combined into one; both installation space is effectively saved; the function of daytime running lights and night-run lamp is had both again; terminal with compact integral structure is beautiful, and light utilization is high, and anti-dazzle light effect is good.
Description
Technical field
The present invention relates to car light technical field, specifically a kind of composite automobile headlamp.
Background technique
Currently, the daytime running lights of vehicle are to discriminate between out and self-existent with night-run lamp on the market, daytime running lights are usually mounted to
Around night-run lamp, certain space is occupied.
The luminescence mechanism of light-guiding type daytime running lights depends primarily on the working principle (as shown in Figure 1) of light guide plate.Light source 1 is from leading
2 side entering light of tabula rasa, light 3 enter light guide plate 2 inside, according to total reflection law, light 3 inside light guide plate 2 constantly into
Row reflection.When light 3 is irradiated on the site 20 (light guiding points) of 2 lower surface of light guide plate, conditioned reflex will be destroyed, light 3
Diffusing reflection will be formed, will be irradiated to all directions, the light for being unsatisfactory for total reflection law at this time will be according to the law of refraction, from light guide plate
It projects 2 upper surfaces.Light 3 is finally formed in light guide plate 2 uniform by countless refractions, reflection inside light guide plate 2
Light-emitting surface.However, not getting on site 20 when light 3 is irradiated to 2 lower surface of light guide plate, a part of light will be because of refraction
Law and directly projected from 2 lower surface of light guide plate, therefore daytime running lights just have lost a part of light.Light utilization is not high.
The luminescence mechanism of night-run lamp depends primarily on the shape of reflector, and the translucent cover on its surface is only simple plays guarantor
Shield effect, has no optics luminous intensity distribution performance.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of composite automobile headlamp, the composite automobile headlamps
The function of daytime running lights and night-run lamp is had both, installation space can be effectively saved and improves light utilization and anti-dazzle light effect.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of composite automobile headlamp, including light guide plate, reflector, the first LED light source and the second LED light source, it is described
The open end of reflector is arranged in light guide plate, and the side of light guide plate, second LED light source is arranged in first LED light source
The bottom of reflector is set.
The beneficial effects of the present invention are: it is different from existing daytime running lights and car headlamp that night-run lamp is provided separately,
Composite automobile headlamp of the invention, using the light guide plate of daytime running lights as the light permeable protection of night-run lamp, by daytime running lights and
Night-run lamp is combined into one, and not only effectively saves installation space, but also has both the function of daytime running lights and night-run lamp, terminal with compact integral structure
It is beautiful.The light back that reflector can project light guide plate lower surface is gone out, to improve vehicle front lighting of the invention
Light utilization efficiency when lamp is used as daytime running lights.Due to using light guide plate as translucent cover, and the lower surface of light guide plate is because of net
The presence of point makes it compare common translucent cover, the generation of dazzle can be more prevented to a certain extent, to improve of the invention
Anti-dazzle light effect when car headlamp is used as night-run lamp.
Detailed description of the invention
Fig. 1 show the structure and optical schematic diagram of the daytime running lights of the prior art.
Fig. 2 show the structure and optical schematic diagram of the composite automobile headlamp of the embodiment of the present invention.
Label declaration:
1- light source；2- light guide plate；3- light；4- reflector；The first LED light source of 5-；The second LED light source of 6-；7- light；8-
Light；The site 20-.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: using the light guide plate of daytime running lights as the light permeable protection of night-run lamp, by day
Portable lighter and night-run lamp are combined into one, and are not only simplified structure but also are had both the function of daytime running lights and night-run lamp, it is empty to be effectively saved installation
Between and improve light utilization and anti-dazzle light effect.
Specifically, shown in referring to figure 2., composite automobile headlamp provided by the invention, including light guide plate 2, reflector
4, the open end of reflector 4, first LED light source is arranged in the first LED light source 5 and the second LED light source 6, the light guide plate 2
5 are arranged in the side of light guide plate 2, and the bottom of reflector 4 is arranged in second LED light source 6.
When above-mentioned composite automobile headlamp as daytime running lights in use, the first LED light source 5 open, the second LED light source 6
It closes, the light 7 that the first LED light source 5 issues enters inside light guide plate 2 from the side entering light of light guide plate 2, light 7, according to being all-trans
Law is penetrated, light 7 is constantly reflected in 2 inside of light guide plate.When the site 20 that light 7 is irradiated to 2 lower surface of light guide plate (is led
Luminous point) on when, conditioned reflex will be destroyed, and light 7 will form diffusing reflection, to all directions irradiate, be unsatisfactory for being totally reflected at this time
The light of law will be projected according to the law of refraction from 2 upper surface of light guide plate.Light 7 is inside light guide plate 2 by countless
Refraction, reflection, finally form uniform light-emitting surface in light guide plate 2.It is not got to when light 7 is irradiated to 2 lower surface of light guide plate
On site 20, a part of light 7 will directly be projected from 2 lower surface of light guide plate due to the law of refraction, and reflector 4 can be by this
Some light reflects lamp body again, to improve the light utilization of composite automobile headlamp.
When above-mentioned composite automobile headlamp as night-run lamp in use, the first LED light source 5 close, the second LED light source 6
It opens, the light 8 that the second LED light source 6 issues is launched after the reflection of reflector 4 and the refraction of light guide plate 2, light guide plate
2 lower surface can more prevent the generation of dazzle because the presence of site 20 makes it compare common translucent cover to a certain extent, from
And improve anti-dazzle light effect when composite automobile headlamp is used as night-run lamp.
The arrangement of site 20 can be rationally designed according to practical light distribution demand on light guide plate 2.When above-mentioned combined type vapour
Chinese herbaceous peony illuminator is as daytime running lights in use, main carry out out light using the dot area on light guide plate 2.And work as above-mentioned combined type vapour
Chinese herbaceous peony illuminator as night-run lamp in use, main carry out out light using the non-dot area on light guide plate 2, therefore the design of site 20
The light-out effect important role arranged to composite automobile headlamp.The shape of reflector 4 can be according to selected by night-run lamp
Light source package and practical light distribution requirements are rationally designed.
As can be seen from the above description, the beneficial effects of the present invention are: it is different from existing daytime running lights and is separately set with night-run lamp
The car headlamp set, composite automobile headlamp of the invention are protected using the light guide plate of daytime running lights as the light transmission of night-run lamp
Daytime running lights and night-run lamp are combined into one by shield, not only effectively save installation space, but also have both the function of daytime running lights and night-run lamp
Can, terminal with compact integral structure is beautiful.The light back that reflector can project light guide plate lower surface is gone out, to improve this
The light utilization when car headlamp of invention is used as daytime running lights reduces light loss.It is saturating due to being used as using light guide plate
Light shield, and the lower surface of light guide plate can more prevent dizzy to a certain extent because the presence of site makes it compare common translucent cover
The generation of light, to improve anti-dazzle light effect when car headlamp of the invention is used as night-run lamp.
In conclusion composite automobile headlamp provided by the invention, has both the function of daytime running lights and night-run lamp, effectively
Installation space is saved, terminal with compact integral structure is beautiful, and light utilization is high, and anti-dazzle light effect is good.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (1)
1. a kind of composite automobile headlamp, it is characterised in that: including light guide plate, reflector, the first LED light source and the 2nd LED
Light source, the light guide plate are arranged in the open end of reflector, and first LED light source is arranged in the side of light guide plate, and described
The bottom of reflector is arranged in two LED light sources, and the lower surface of the light guide plate is equipped with site, working method are as follows:
When above-mentioned composite automobile headlamp as daytime running lights in use, carrying out out light using the dot area on light guide plate；The
One LED light source is opened, and the second LED light source is closed, the light that the first LED light source issues from the side entering light of light guide plate, light into
Enter inside light guide plate, according to total reflection law, light is constantly reflected inside light guide plate；When light is irradiated to light guide plate
When on the site of lower surface, conditioned reflex will be destroyed, and light will form diffusing reflection, be irradiated to all directions, be unsatisfactory at this time
The light for being totally reflected law will be projected according to the law of refraction from light guide plate upper surface；Light is inside light guide plate by nothing
Several refraction, reflection, finally form uniform light-emitting surface in light guide plate；It is not got to when light is irradiated to light guide plate lower surface
On site, a part of light will directly be projected from light guide plate lower surface due to the law of refraction, and reflector can be by this part
Light back goes out lamp body；
When above-mentioned composite automobile headlamp as night-run lamp in use, carrying out out light using the non-dot area on light guide plate；
First LED light source is closed, and the second LED light source is opened, reflection and light guide plate of the light that the second LED light source issues by reflector
Refraction after launch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610149290.5A CN105588062B (en) | 2016-03-16 | 2016-03-16 | A kind of composite automobile headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610149290.5A CN105588062B (en) | 2016-03-16 | 2016-03-16 | A kind of composite automobile headlamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105588062A CN105588062A (en) | 2016-05-18 |
| CN105588062B true CN105588062B (en) | 2019-01-29 |
Family
ID=55927844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610149290.5A Expired - Fee Related CN105588062B (en) | 2016-03-16 | 2016-03-16 | A kind of composite automobile headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105588062B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382587A (en) * | 2016-08-30 | 2017-02-08 | 嘉兴海拉灯具有限公司 | Automotive lamp, automobile with same and control method of automotive lamp |
| AT519473B1 (en) * | 2017-01-16 | 2018-07-15 | Zkw Group Gmbh | HEADLIGHTS WITH DEFROSTING DEVICE |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554858A (en) * | 2008-04-09 | 2009-10-14 | 鸿富锦精密工业（深圳）有限公司 | Intelligent vehicle illuminating apparatus and method for realizing vehicle illuminating automation |
| CN202494007U (en) * | 2012-01-20 | 2012-10-17 | 宿迁恒成科技有限公司 | Double-optical-lens xenon head lamp of cross country vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012174641A (en) * | 2011-02-24 | 2012-09-10 | Koito Mfg Co Ltd | Lamp for vehicle |
| CN102818203B (en) * | 2011-06-07 | 2015-06-03 | 株式会社小糸制作所 | Vehicle lamp |
| CN204345477U (en) * | 2014-12-22 | 2015-05-20 | 广州市佛达信号设备有限公司 | A kind of LED headlamp |
| CN204387965U (en) * | 2015-01-29 | 2015-06-10 | 浙江龙鼎车业有限公司 | One automobile day portable lighter light-strip |
| CN205383525U (en) * | 2016-03-16 | 2016-07-13 | 福建鸿博光电科技有限公司 | Combined type vehicle headlamps |
-
2016
- 2016-03-16 CN CN201610149290.5A patent/CN105588062B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554858A (en) * | 2008-04-09 | 2009-10-14 | 鸿富锦精密工业（深圳）有限公司 | Intelligent vehicle illuminating apparatus and method for realizing vehicle illuminating automation |
| CN202494007U (en) * | 2012-01-20 | 2012-10-17 | 宿迁恒成科技有限公司 | Double-optical-lens xenon head lamp of cross country vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105588062A (en) | 2016-05-18 |
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |