CN103486520B - LED light source headlamp - Google Patents

LED light source headlamp Download PDF

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Publication number
CN103486520B
CN103486520B CN201310461490.0A CN201310461490A CN103486520B CN 103486520 B CN103486520 B CN 103486520B CN 201310461490 A CN201310461490 A CN 201310461490A CN 103486520 B CN103486520 B CN 103486520B
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China
Prior art keywords
led
light source
led light
headlamp
support mount
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CN201310461490.0A
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Chinese (zh)
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CN103486520A (en
Inventor
刘洋
王振民
赵艳辉
张玉超
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Abstract

The invention relates to an LED light source headlamp. The LED light source headlamp comprises an LED upper beam light source, an LED signal light source and an LED lower beam light source, wherein the LED upper beam light source, the LED signal light source and the LED lower beam light source are arranged in sequence from top to bottom. The LED light source headlamp further comprises an upper LED light source supporting installing part and a lower LED light source supporting installing part, wherein the LED upper beam light source is arranged on the upper side of the upper LED light source supporting installing part, the LED signal light source is arranged between the upper LED light source supporting installing part and the lower LED light source supporting installing part, the LED lower beam light source is arranged on the lower side of the lower LED light source supporting installing part, and a heat dissipation and installation space is formed between the upper LED light source supporting installing part and the lower LED light source supporting installing part. Due to the fact that the heat dissipation and installation space is arranged, the sufficient heat dissipation space is provided for a high-power LED light source adopted by the LED light source headlamp, the heat dissipation effect of the LED light source headlamp is improved, and the sufficient assembly installation and arrangement space can be provided for the LED light source headlamp.

Description

LED light source headlamp
Technical field
The present invention relates to car headlamp field, specifically a kind of LED light source headlamp.
Background technology
The method for designing of led headlamp mainly divides projection-type and reflective two kinds.Projection-type led headlamp module generally by Hemisphere ellipsoid reflector adds that on duty, lens is constituted, due to refraction, the reflection equal loss of the stop of baffle plate and lens, The capacity usage ratio of whole optical system can be greatly reduced.Reflective led headlamp is broadly divided into parabolic by the shape of reflection cavity Face type and free form surface type.Parabolic shape reflector light composition is made up of lens, reflection cavity and light source.The light of its dipped headlights There is a shade, for "cut-off"line and 15 ° of oblique lines are formed on filament shield near source.
Existing led(light-emitting diode, light emitting diode) light source headlamp is divided into projection and two kinds of reflection; Projection taking Audi as a example, carries out optical design in the way of the direct outgoing of led, by cooperatively forming of many led Meet the light type requiring, LED lamp power used is less, so radiating is ideal, but control system is complicated.Reflection is luxuriant and rich with fragrance with English As a example Buddhist nun's enlightening, in the way of led reflection, carry out optical design, formed by the effect of single or double led and meet requirement Light type, led power used is larger, and radiating is more difficult, and reflective structure needs reflecting mirror, and general led is arranged in reflection In the focus of mirror ellipsoid, cause upper and lower two led positions very near, radiating is more difficult, and led temperature influence is very big, High temperature can make led light decay increase, and affects car lighting effect.
State of the art is primarily present following defect:
1st, LED light source projection arrangement controls difficulty big, and space layout is difficult;
2nd, LED light source reflection mode, due to requiring led power larger, causes radiating difficult, and top and the bottom light source distance Relatively near, cause radiator structure apart from light source farther out, increase structure design difficulty.
In order to solve problem above, the present invention has done useful improvement.
Content of the invention
(1) technical problem to be solved
It is an object of the invention to provide a kind of LED light source headlamp, overcome existing LED light source headlamp heat-dissipating space not Foot, the difficult problem of radiator structure layout.
(2) technical scheme
The present invention is achieved by the following technical solutions: a kind of LED light source headlamp, including direction from top to bottom successively The led high-beam light source of arrangement, led signal optical source and led low beam light source;Described LED light source headlamp also includes LED light source and props up Support installed part and lower LED light source support mount;
Described led high-beam light source is arranged on the upside of described upper LED light source support mount, and described led signal optical source sets Put on described between LED light source support mount and lower LED light source support mount, described led low beam light source is arranged on institute State on the downside of lower LED light source support mount;
Form radiating and installing space between described upper LED light source support mount and lower LED light source support mount.
Wherein, described upper LED light source support mount includes the first supporting clapboard, described lower LED light source support mount Including the second supporting clapboard.
Further, described led high-beam light source is equipped with high beam reflector, and described led low beam light source is equipped with There is low beam reflector;Described led signal optical source is equipped with led signal illuminator;Described high beam reflector and dipped beam reflection Mirror is elliptical mirror, and described led signal optical source illuminator is projection-type elliptical mirror.Described led high-beam light source It is arranged on the ellipsoid focal position of described high beam reflector;Described led low beam light source is arranged on the ellipse of described low beam reflector Sphere focal position,
Further, described led signal optical source includes many LED lamps, and described many LED lamps are laterally arranged successively along straight line Near direction of observation end position in the middle part of the radiating that described first supporting clapboard and the second supporting clapboard are formed and installing space, And coordinate described led signal illuminator formation to project light mode;Described led signal illuminator is just to throw illuminator.
Or, described led signal optical source includes many LED lamps, and described many LED lamps are laterally arranged in institute successively along straight line State the first supporting clapboard and the radiating of the second supporting clapboard formation and the side of installing space near marginal position, and coordinate described Led signal illuminator forms and projects light mode;Described led signal illuminator throws illuminator for side.
Preferably, described led signal optical source adopts guide structure;Described guide structure includes light conductor, for described Light conductor provides the LED lamp of light source and the supporting construction for supporting described light conductor.
Wherein, described guide structure is arranged at radiating and the installation that described first supporting clapboard and the second supporting clapboard are formed In the middle part of space and near direction of observation end position.
Further, the described end for providing the LED lamp of light source to be arranged on described light conductor to described light conductor, and position In the light fixture rear portion away from led low beam light source and led high-beam light source.
Wherein, described LED light source headlamp also includes upper heat sink and bottom radiator, described upper heat sink setting On the downside of the first supporting clapboard;Described bottom radiator is arranged on the upside of described second supporting clapboard;Described upper heat sink with Bottom radiator vertical direction unsymmetrical arrangement.
(3) beneficial effect
Compared with prior art and product, the present invention has the following advantages:
1st, the led signal optical source of the present invention is placed in the medium position between led low beam light source and led high-beam light source, be upper, The high power LED light source that the led high-beam light source of lower setting and led low beam light source are adopted forms radiating and installing space enough.
2nd, the present invention by adopt guide structure be used as led signal optical source can save energy, and for the present invention in Position is empty out greater room, the present invention can be made to increase in medium position and arrange more radiator structures, thus improve front photograph The radiating effect of lamp.
Brief description
Fig. 1 is the three-dimensional structure diagram of the LED light source headlamp of the present invention;
Fig. 2 is the front view of the LED light source headlamp of the present invention;
Fig. 3 is a-a sectional structure chart in Fig. 2;
Fig. 4 is the led signal optical source structural representation of the present invention;
Fig. 5 is the front view of the LED light source headlamp of the guide structure of the present invention;
Fig. 6 is the LED light source head lamp structure schematic diagram of the guide structure of the present invention.
In accompanying drawing, the component list representated by each label is as follows:
1st, upper heat sink;2nd, the first supporting clapboard;3rd, the second supporting clapboard;4th, bottom radiator;5th, led flashlight Source;51st, light conductor;52nd, guide-lighting body support frame;6th, high beam reflector;7th, low beam reflector;8th, led high-beam light source;9th, led dipped beam Light source;10th, led signal illuminator;10a, just throwing illuminator;Illuminator is thrown in 10b, side;11st, radiating and installing space.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is made a detailed explanation.
As depicted in figs. 1 and 2, the present embodiment provides a kind of LED light source headlamp applied on automobile, including with from upper Led high-beam light source 8, led signal optical source 5 and the led low beam light source 9 arranged successively to lower direction, described LED light source headlamp is also Including upper LED light source support mount and lower LED light source support mount;
Described led high-beam light source 8 is arranged on the upside of described upper LED light source support mount, described led signal optical source 5 It is arranged between described upper LED light source support mount and lower LED light source support mount, described led low beam light source 9 is arranged on On the downside of described lower LED light source support mount;
Form radiating and installing space 11 between described upper LED light source support mount and lower LED light source support mount.
Specifically, described upper LED light source support mount includes the first supporting clapboard 2, and described lower LED light source supports to be installed Part includes the second supporting clapboard 3.
Radiating and installing space 11 between first supporting clapboard 2 and the second supporting clapboard 3, can for led high-beam light source and Led low beam light source forms certain radiator structure, and in led high-beam light source and led low beam light source respectively using high-power During LED lamp, also can reach good radiating effect;Additionally, this radiating and installing space 11 can provide for LED light source headlamp Enough assembly arrangement space.
Specifically, described led high-beam light source 8 is equipped with high beam reflector 6, and the cooperation of described led low beam light source 9 sets It is equipped with low beam reflector 7;Described high beam reflector 6 and low beam reflector 7 are all using elliptical mirror.Described led flashlight Source 5 is equipped with led signal illuminator 10;Described high beam reflector and low beam reflector are elliptical mirror, described Led signal optical source illuminator is projection-type elliptical mirror.When this led high-beam light source is arranged on described high beam reflector 6 Ellipsoid focal position, can reach the effect of effectively utilizes light source;Similarly, described in described led low beam light source 9 is also disposed at The ellipsoid focal position of low beam reflector 7.
Further, as shown in Figures 2 and 3, described led signal optical source includes many LED lamps.As shown in Fig. 2 described many LED lamp is laterally arranged in, along straight line, radiating and the installing space that described first supporting clapboard 2 and the second supporting clapboard 3 are formed successively 11 near the position of direction of observation end, and coordinates described led signal illuminator 10 to form the light mode that projects, described led letter Number illuminator is just to throw illuminator 10a.
Described led signal optical source 5 is equipped with led signal illuminator 10.Led signal optical source 5 in the present embodiment is excellent Choosing be arranged on the centrage of each led signal illuminator 10, so can between effectively utilizes daytime light source luminous energy, certainly, also may be used It is arranged on position on the upper side or on the lower side on front side of led signal illuminator, led signal optical source all can be made to reach preferable illuminating effect.Institute State many LED lamps to arrange with projection-type, the light type meeting needs, the present embodiment can be cooperatively formed according to the needs of automobile In it is preferable that described many LED lamps are arranged successively laterally along straight line, preferable illumination and radiating effect can be reached.
As shown in figure 4, the present embodiment additionally provides the embodiment of another led signal optical source, specifically: described Led signal optical source 5 includes many LED lamps, and described many LED lamps are laterally arranged in described first supporting clapboard 2 successively along straight line The radiating being formed with the second supporting clapboard 3 and the side of installing space 11 are near marginal position, and coordinate described led signal reflective Mirror forms and projects light mode;Described led signal illuminator throws illuminator 10b for side.
Additionally, described led signal optical source 5 may also be employed guide structure.Described guide structure includes light conductor, for institute Stating light conductor provides the LED lamp of light source and the supporting construction for supporting described light conductor.As shown in Figure 5 and Figure 6, described lead Body of light 51 is passed through to be arranged between the first supporting clapboard 2 and the second supporting clapboard 3 for the guide-lighting body support frame 52 supporting, and described leads Body of light 51 adopts elongate in shape;As shown in figure 5, described light conductor 51 is horizontally installed on described first supporting clapboard 2 and described Between two supporting clapboards 3 formed radiating and installing space 11 middle part near direction of observation end position.Described for Described light conductor 51 provides the LED lamp of light source to be arranged on the end of described light conductor 51, and is located remotely from led low beam light source 9 He The light fixture rear portion of led high-beam light source 8.Described LED lamp can be provided with one or more.When LED lamp for multiple when, can be by wherein one Divide the one end being arranged on this light conductor 51, another part is arranged on the other end of light conductor 51.Guide structure is as led flashlight Source can save energy, and vacate greater room for the present invention in medium position, the present invention can be made to set in medium position increase Put more radiator structures, thus improve the radiating effect of headlamp.
Further, described LED light source headlamp also includes upper heat sink 1 and bottom radiator 4, described upper heat sink 1 is arranged on the first supporting clapboard 2, and described bottom radiator 4 is arranged on described second supporting clapboard 3.Specifically, described Upper heat sink 1 is arranged on the downside of described first supporting clapboard 2, and described bottom radiator 4 is arranged on described second support The upside of dividing plate 3.Preferably, described upper heat sink and bottom radiator vertical direction unsymmetrical arrangement, thus be beneficial to led light The radiating in source is originally.In embodiment, can provide between first, second supporting clapboard enough spaces be used for installing heat abstractor or For other arrangements.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, common about technical field Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all Equivalent technical scheme falls within scope of the invention, and the scope of patent protection of the present invention should be defined by the claims.

Claims (3)

1. a kind of LED light source headlamp it is characterised in that
Led high-beam light source, led signal optical source and the led low beam light source arranged successively including direction from top to bottom;Described led light Source headlamp also includes LED light source support mount and lower LED light source support mount;
Described led high-beam light source is arranged on the upside of described upper LED light source support mount, and described led signal optical source is arranged on Between described upper LED light source support mount and lower LED light source support mount, described led low beam light source be arranged on described under On the downside of LED light source support mount;
Form radiating and installing space between described upper LED light source support mount and lower LED light source support mount;On described LED light source support mount includes the first supporting clapboard, and described lower LED light source support mount includes the second supporting clapboard;Institute State led high-beam light source and be equipped with high beam reflector, and described led low beam light source is equipped with low beam reflector;Described Led signal optical source is equipped with led signal illuminator;It is reflective that described high beam reflector and low beam reflector are ellipsoid Mirror, described led signal optical source illuminator is projection-type elliptical mirror;Described led signal optical source has following two settings Mode:
The first, described led signal optical source includes many LED lamps, and described many LED lamps are laterally arranged in described successively along straight line Near direction of observation end position in the middle part of the radiating of the first supporting clapboard and the formation of the second supporting clapboard and installing space, and coordinate Described led signal illuminator forms and projects light mode;Described led signal illuminator is just to throw illuminator;
Second, described led signal optical source includes many LED lamps, and described many LED lamps are laterally arranged in described successively along straight line The side of the radiating of the first supporting clapboard and the formation of the second supporting clapboard and installing space is near marginal position, and coordinates described Led signal illuminator forms and projects light mode;Described led signal illuminator throws illuminator for side.
2. LED light source headlamp according to claim 1 it is characterised in that described led high-beam light source be arranged on described remote The ellipsoid focal position of light reflection mirror;Described led low beam light source is arranged on the ellipsoid focal position of described low beam reflector.
3. LED light source headlamp according to claim 1 is it is characterised in that described LED light source headlamp also includes top Radiator and bottom radiator, described upper heat sink is arranged on the downside of the first supporting clapboard;Described bottom radiator is arranged on On the upside of described second supporting clapboard;Described upper heat sink and bottom radiator vertical direction unsymmetrical arrangement.
CN201310461490.0A 2013-09-30 2013-09-30 LED light source headlamp Active CN103486520B (en)

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Application Number Priority Date Filing Date Title
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CN103486520B true CN103486520B (en) 2017-01-25

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DE102014105099A1 (en) * 2014-04-10 2015-10-15 Hella Kgaa Hueck & Co. Lighting device for vehicles
CN106322269A (en) * 2015-07-03 2017-01-11 展群科技(深圳)有限公司 LED automobile high and low beam lens lamp
JP2018133164A (en) * 2017-02-14 2018-08-23 株式会社小糸製作所 Vehicular lighting fixture

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Publication number Priority date Publication date Assignee Title
CN101852417A (en) * 2009-03-31 2010-10-06 株式会社小糸制作所 Light emitting device modularizing member and lamp unit
CN201983153U (en) * 2010-12-30 2011-09-21 中山市世耀光电科技有限公司 Light-emitting diode (LED) motorcycle lamp

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JP4508971B2 (en) * 2005-07-28 2010-07-21 本田技研工業株式会社 Lighting device
JP2008166412A (en) * 2006-12-27 2008-07-17 Koito Mfg Co Ltd Light-emitting element driving circuit, and lighting equipment for vehicle
WO2012151249A1 (en) * 2011-05-02 2012-11-08 Peterson Manufacturing Company Illumination lamp with dual beam functions

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
CN101852417A (en) * 2009-03-31 2010-10-06 株式会社小糸制作所 Light emitting device modularizing member and lamp unit
CN201983153U (en) * 2010-12-30 2011-09-21 中山市世耀光电科技有限公司 Light-emitting diode (LED) motorcycle lamp

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