CN105588062B - A kind of composite automobile headlamp - Google Patents

A kind of composite automobile headlamp Download PDF

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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
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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.)
Active
Application number
CN201610149290.5A
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Chinese (zh)
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CN105588062A (en
Inventor
罗时睿
胡菁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUJIAN HONGBO OPTIC-ELECTRONICS TECHNOLOGY Co Ltd
Original Assignee
FUJIAN HONGBO OPTIC-ELECTRONICS TECHNOLOGY Co Ltd
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Priority to CN201610149290.5A priority Critical patent/CN105588062B/en
Publication of CN105588062A publication Critical patent/CN105588062A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32Optical layout thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141Light emitting diodes [LED]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/50Illuminating 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00Exterior vehicle lighting devices for illuminating purposes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10Use or application of lighting devices on or in particular types of vehicles for land vehicles

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

A kind of composite automobile headlamp
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.
CN201610149290.5A 2016-03-16 2016-03-16 A kind of composite automobile headlamp Active CN105588062B (en)

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

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Application Number Priority Date Filing Date Title
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CN105588062B true CN105588062B (en) 2019-01-29

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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

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