CN202813156U - Light-emitting diode (LED) headlamp for automobile - Google Patents
Light-emitting diode (LED) headlamp for automobile Download PDFInfo
- Publication number
- CN202813156U CN202813156U CN2012204164219U CN201220416421U CN202813156U CN 202813156 U CN202813156 U CN 202813156U CN 2012204164219 U CN2012204164219 U CN 2012204164219U CN 201220416421 U CN201220416421 U CN 201220416421U CN 202813156 U CN202813156 U CN 202813156U
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- heat
- light source
- led light
- led
- radiating substrate
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Abstract
The utility model discloses a light-emitting diode (LED) headlamp for an automobile. The LED headlamp for the automobile comprises an optical element, a heat sink and an LED light source. The heat sink comprises a heat dissipation base plate, the LED light source is fixedly arranged on a first face of the heat dissipation base plate, the optical element is fixedly arranged on the first face of the heat dissipation base plate, the optical element and the heat dissipation base plate at least partly surround the LED light source, and the optical element is a reflective mirror. A lens and a reflective mirror are simplified to the reflective mirror, so that the LED headlamp for the automobile structurally solves the problems of part machining, production assembling and light type debugging, and simultaneously the lens does not loss luminous flux. The LED headlamp for the automobile improves the heat sink structure, enables heat dissipation performance to be stable, can prolong service life of the LED light source, enables the LED light source and the reflective mirror to be fixed on the same datum plane of the base plate, enables heat dissipation of the LED light source to be rapid, and is simple in light type debugging.
Description
Technical field
The present invention relates to the automobile head light field, relate in particular to a kind of automobile-used LED (light emitting diode) headlamp.
Background technology
Headlamp is again headlight, is mainly used in the illumination of driving at night road.The LED lamp since have without postpone, the plurality of advantages such as energy-conservation, long-lived, low-heat, antidetonation, excitation height, by the manufacturing of numerous producers as signal lamp on the car.But existing headlight structure is complicated, adopts lens, reflective mirror, led light source, heat-pipe radiators etc. are difficult to satisfy actual operation requirements, main manifestations is: lens, reflective mirror is split up into two parts, gives processing, produces assembling, the debugging of light type increases difficulty, has increased simultaneously the luminous flux loss; Heat-pipe radiator heat dispersion in dynamic use procedure is unstable, very easily causes the LED junction temperature to raise, and reduces LED service life.
The utility model content
For this reason, the utility model proposes a kind of new Vehicular LED headlamp of at least a portion that can address the above problem, this headlamp can improve energy saving greatly, increases the service life.
The utility model provides a kind of Vehicular LED headlamp, comprise optical element, radiator and led light source, wherein said radiator comprises heat-radiating substrate, described led light source is fixedly mounted on the first surface of described heat-radiating substrate, described optics also is fixedly mounted on the first surface of described heat-radiating substrate, described optical element and the described led light source of at least part of encirclement of described heat-radiating substrate, described optical element is reflective mirror.
The utility model is with lens, and reflective mirror is reduced to reflective mirror, from the processing that structure has solved part, produces assembling, and light type debugging difficulty does not have lens simultaneously to the loss of luminous flux.
Alternatively, described the first groups of fins is installed on second of described heat-radiating substrate, described the second groups of fins is installed on described the first groups of fins, described the first heat pipe is embedded on the described heat-radiating substrate, and described the second heat pipe passes described the second groups of fins and heat-radiating substrate and is positioned at position under the led light source.
After adopting above-mentioned optimal technical scheme, owing on the basis of existing heat-pipe radiator, added one group of fin on the substrate of described radiator, so that the heat dispersion of radiator is more stable, the heat that led light source produces can distribute quickly, has prolonged thus the service life of led light source.
Alternatively, the first surface of described led light source and described heat-radiating substrate is positioned at same datum plane.
Alternatively, the first surface of described reflective mirror and described heat-radiating substrate is positioned at same datum plane.
Because led light source and reflective mirror are fixed on the same datum plane of radiator, so that the led light source heat radiation is rapider, the debugging of light type is simpler.
Description of drawings
By reading hereinafter detailed description of the preferred embodiment, various other advantage and benefits will become cheer and bright for those of ordinary skills.Accompanying drawing only is used for the purpose of preferred embodiment is shown, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts with identical reference symbol.In the accompanying drawings:
Fig. 1 is the perspective view of the utility model Vehicular LED headlamp;
Fig. 2 is the front view of the utility model Vehicular LED headlamp;
Fig. 3 is the axial cutaway view of the A-A of the utility model Vehicular LED headlamp;
Fig. 4 is the top view of the utility model Vehicular LED headlamp;
The left view of Fig. 5 the utility model Vehicular LED headlamp.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and concrete embodiment.
The utility model provides a kind of Vehicular LED headlamp, comprise optical element, radiator and led light source, wherein said radiator comprises heat-radiating substrate, described led light source is fixedly mounted on the first surface of described heat-radiating substrate, described optics also is fixedly mounted on the first surface of described heat-radiating substrate, described optical element and the described led light source of at least part of encirclement of described heat-radiating substrate, described optical element is reflective mirror.
Described radiator also comprises the first heat pipe, the second heat pipe, the first groups of fins and the second groups of fins, described the first groups of fins is installed on second of described heat-radiating substrate, described the second groups of fins is installed on described the first groups of fins, described the first heat pipe is embedded on the described heat-radiating substrate, and described the second heat pipe passes described the second groups of fins and heat-radiating substrate and is positioned at position under the led light source.
Fig. 1, Fig. 2 show perspective view and the front view of the utility model Vehicular LED headlamp, and in order more clearly to show the utility model structure, Fig. 3 also shows the utility model Vehicular LED headlamp along the axial cutaway view of A-A axle.Such as Fig. 1, Fig. 2 and shown in Figure 3, the utility model Vehicular LED headlamp comprises optical element 1, radiator 2 and led light source 3, described led light source 3 is fixedly mounted on the first surface of described heat-radiating substrate 201, described optical element 1 also is fixedly mounted on the first surface of described heat-radiating substrate 201, described optical element 1 surrounds described led light source 1 at least in part with described heat-radiating substrate 201, and wherein said optical element 1 is reflective mirror.Described radiator 2 also comprises the first heat pipe 202, the second heat pipe 203, the first groups of fins 204 and the second groups of fins 205, described the first groups of fins 204 is installed on second of described heat-radiating substrate 201, described the second groups of fins 205 is installed on described the first groups of fins 204, described the first heat pipe 202 is embedded on the described heat-radiating substrate 201, and described the second heat pipe 203 passes described the second groups of fins 205 and heat-radiating substrate 201 and is positioned at position under the led light source 3.
During led light source 3 work, the heat of generation is passed on the heat-radiating substrate 201, and heat is passed to the first groups of fins 204 via the first heat pipe 202 on the heat-radiating substrate 201, by fin heat is shed.
Described the second heat pipe is U-shaped, and the one end passes heat-radiating substrate and is positioned at position under the led light source, and behind the U-shaped bend, the other end passes described the second groups of fins.
Such as Fig. 3, Fig. 4 and shown in Figure 5, be provided with two U-shaped heat pipes in the radiator 2, an end of this heat pipe passes heat-radiating substrate 201 and is positioned at position under the led light source 3, and behind the U-shaped bend, the other end passes described the second groups of fins 205.After adopting these two heat pipes, heat pipe can transmit heat that led light source produces and via the second groups of fins 205 heat be shed.Owing to added the second groups of fins 205 on the basis of the first groups of fins 204, improved the heat-sinking capability of radiator, so that heat can be shed faster and betterly, thereby prolonged service life of led light source.
The first surface of described led light source and described heat-radiating substrate is positioned at same datum plane; The first surface of described reflective mirror and described heat-radiating substrate also is positioned at same datum plane.
As depicted in figs. 1 and 2, reflective mirror 1 and led light source 3 all are fixed on the first surface of heat-radiating substrate 201, be positioned at same datum plane with the first surface of heat-radiating substrate 201, this kind structure is so that distributing of the heat that led light source 3 produces is rapider, simultaneously so that the debugging of light type is simpler.
The shape of described reflective mirror can be 1/4th spheries or elliposoidal or class sphere, also can be other any shapes, needs only reflective mirror and allows the light of led light source emission reflect away cooperating of led light source.For example, this reflective mirror can be level crossing, the first surface of itself and heat-radiating substrate 201 at an angle, thereby the light of light source 3 emissions can be launched.When this reflective mirror is 1/4th spheries, light source 3 can be arranged at this spherical centre of sphere place.Again for example, when this reflective mirror is elliposoidal, this light source 3 can be arranged at a focus place of this elliposoidal, thereby utilizing emitted light is directional light.It will be appreciated by persons skilled in the art that this reflective mirror can be other any suitable shape, the class that for example has complicated shape is spherical, thereby forms required reflecting effect.
Described optical element 1 and described led light source 3 can be fixed on the first surface of described heat-radiating substrate 201 by any applicable fastening element.The fastening element that the utility model adopts is screw 4.
The utility model makes Vehicular LED headlamp be converted into the product that satisfies actual operation requirements that has truly from development, thereby greatly improves the energy saving of automobile head light.High beam drops to the requirement that 10W just can satisfy GB25991 Vehicular LED headlamp standard from 70W, and also greatly prolong the service life of LED lamp.
It should be noted that above-described embodiment describes the utility model rather than the utility model is limited, and those skilled in the art can design alternative embodiment in the situation of the scope that does not break away from claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and is not listed in element or step in the claim.Being positioned at word " " before the element or " one " does not get rid of and has a plurality of such elements.The use of word first, second and C grade does not represent any order.Can be title with these word explanations.
Claims (7)
1. Vehicular LED headlamp, comprise optical element, radiator and led light source, it is characterized in that: described radiator comprises heat-radiating substrate, described led light source is fixedly mounted on the first surface of described heat-radiating substrate, described optical element also is fixedly mounted on the first surface of described heat-radiating substrate, described optical element and described heat-radiating substrate surround described led light source at least in part, and described optical element is reflective mirror.
2. Vehicular LED headlamp according to claim 1, it is characterized in that: described radiator also comprises the first heat pipe, the second heat pipe, the first groups of fins and the second groups of fins, described the first groups of fins is installed on second of described heat-radiating substrate, described the second groups of fins is installed on described the first groups of fins, described the first heat pipe is embedded on the described heat-radiating substrate, and described the second heat pipe passes described the second groups of fins and heat-radiating substrate and is positioned at position under the led light source.
3. Vehicular LED headlamp according to claim 2, it is characterized in that: described the second heat pipe is U-shaped, and the one end passes heat-radiating substrate and is positioned at position under the led light source, and behind the U-shaped bend, the other end passes described the second groups of fins.
4. Vehicular LED headlamp according to claim 1, it is characterized in that: the first surface of described led light source and described heat-radiating substrate is positioned at same datum plane.
5. Vehicular LED headlamp according to claim 1, it is characterized in that: the first surface of described reflective mirror and described heat-radiating substrate is positioned at same datum plane.
6. Vehicular LED headlamp according to claim 1, it is characterized in that: described reflective mirror is 1/4th spheries or elliposoidal or class sphere.
7. each described Vehicular LED headlamp according to claim 1-6 is characterized in that: described reflective mirror and described led light source are fixed by screws on the described radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204164219U CN202813156U (en) | 2012-08-16 | 2012-08-16 | Light-emitting diode (LED) headlamp for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204164219U CN202813156U (en) | 2012-08-16 | 2012-08-16 | Light-emitting diode (LED) headlamp for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202813156U true CN202813156U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204164219U Expired - Fee Related CN202813156U (en) | 2012-08-16 | 2012-08-16 | Light-emitting diode (LED) headlamp for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202813156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822150A (en) * | 2013-12-31 | 2014-05-28 | 重庆雷本光电科技有限公司 | LED (light emitting diode) headlamp of mining flame-proof type locomotive |
| CN112178589A (en) * | 2020-09-30 | 2021-01-05 | 广州光联电子科技有限公司 | Heat dissipation system for automobile headlamp |
-
2012
- 2012-08-16 CN CN2012204164219U patent/CN202813156U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822150A (en) * | 2013-12-31 | 2014-05-28 | 重庆雷本光电科技有限公司 | LED (light emitting diode) headlamp of mining flame-proof type locomotive |
| CN112178589A (en) * | 2020-09-30 | 2021-01-05 | 广州光联电子科技有限公司 | Heat dissipation system for automobile headlamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20160816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |