CN203464214U - Radiator applied to LED (Light-Emitting Diode) automotive headlamp - Google Patents

Radiator applied to LED (Light-Emitting Diode) automotive headlamp Download PDF

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Publication number
CN203464214U
CN203464214U CN201320540266.6U CN201320540266U CN203464214U CN 203464214 U CN203464214 U CN 203464214U CN 201320540266 U CN201320540266 U CN 201320540266U CN 203464214 U CN203464214 U CN 203464214U
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China
Prior art keywords
radiator
led
platform
light source
empty
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CN201320540266.6U
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Chinese (zh)
Inventor
江向东
吴小军
赵立顶
方凯
胡开威
胡志成
薛永站
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ANHUI AZURE OPTOELECTRONICS TECHNOLOGY Co Ltd
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ANHUI AZURE OPTOELECTRONICS TECHNOLOGY Co Ltd
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Priority to CN201320540266.6U priority Critical patent/CN203464214U/en
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Abstract

The utility model belongs to the technical field of automotive lighting, and particularly relates to a radiator applied to an LED (Light-Emitting Diode) automotive headlamp. The radiator applied to the LED automotive headlamp, disclosed by the utility model, comprises radiator positioning holes arranged in the radiator, wherein a platform for placing an LED light source is arranged on the radiator, and the radiator is made of aluminium alloy and is grille-shaped. The radiator, disclosed by the utility model, is made of aluminium alloy, so the heat dissipation effect is good. The radiator is grille-shaped, so the heat dissipation area is increased, the efficiency of the heat dissipation is improved, and the heat dissipation effect is greatly enhanced. During working, the LED light source is fixedly arranged on the platform, heat generated by the LED light source is absorbed as much as possible by the radiator, and the heat is dispersed in a thermal radiation way, thus the temperature of the bottom of the LED light source, namely an LED is enabled to be lower than the junction temperature, and stable and durable operation of the LED light source is guaranteed.

Description

LED car headlamp radiator
Technical field
The utility model belongs to automotive lighting technical field, is specifically related to a kind of LED car headlamp radiator.
Background technology
Automobile lamp inside is an airtight environment, when car headlamp is during in illumination condition, the residing closed environment of car light will produce higher temperature due to heat accumulation, this higher temperature is not only easily at the inner fog that produces of car light, affect illuminating effect, also easily make the parts temperature distortion in car headlamp, even occur the phenomenon of parts scorification; In addition, the hot gas producing due to Yin Gaowen flows not smooth in the environment of sealing, thereby can cause the electronic product lost of life of car headlamp inside, have a strong impact on the normal use of car headlamp, therefore need to carry out cooling to the residing closed environment of car headlamp.Using at present radiator to lower the temperature is a kind of common radiating mode, but conventional radiator heat-dissipation effect is poor, needs improvement badly.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, a kind of LED car headlamp radiator is provided, this radiator heat-dissipation is respond well, has guaranteed, in the working environment of car headlamp in safety and stability, to have extended widely the service life of car headlamp.
For achieving the above object, the utility model has adopted following technical scheme:
A LED car headlamp radiator, comprises the radiator locating hole being arranged on radiator, is provided with for settling the platform of LED light source on radiator, and described radiator is made by aluminium alloy, and described radiator is grid-like.
Preferably, described platform is arranged on the middle part of radiator, is provided with the LED light source locating hole of being convenient to fixed L ED light source on platform; On platform, for settling on the radiator of position rear side of LED light source, be provided with the first empty portion of running through radiator body.
Preferably, on the radiator of described platform downside, be provided with for settling the second empty portion of LED driving power, between described the first empty portion and the second empty portion, be provided with for separating the heat dissipation grid of the two.
Preferably, described radiator is that the fin by a plurality of fin shapes forms, and between described adjacent fin, is provided with gap.
Preferably, on described platform, for settling on the radiator of position rear side of LED light source, be provided with a plurality of shaft-like fixed feet, these a plurality of fixed feet are parallel to each other and be arranged on the upside of described the first empty portion, and these a plurality of fixed feet are all stretched out forward the upside at described platform, described fixed feet is axially provided with the first positioning screw hole of built-in screw thread along it.
Preferably, on the radiator between described the first empty portion and the second empty portion, be provided with a plurality of the second positioning screw holes.
Preferably, described radiator is provided with outwardly air vent in a side that deviates from described platform, and described air vent is connected with the first empty portion.
The beneficial effects of the utility model are:
1) radiator, in the utility model is aluminum alloy material, and radiating effect is good.
2), the radiator in the utility model is set to grid-like, also be that radiator is to consist of a plurality of fin adjacent one another are, between adjacent fin, be provided with gap, this set has increased area of dissipation, improve radiating efficiency, thereby increased substantially radiating effect.
3), the utility model is provided with for settling the platform of LED light source on radiator, while also working, LED light source is fixed on platform, be conducive to like this radiator and absorb as much as possible the heat that LED light source produces, and by the mode of heat loss through radiation, dissipation of heat is gone out, thereby guaranteed LED light source be the bottom temp of light emitting diode lower than junction temperature, ensured the work that LED light source can lasting stability.
4), the utility model is provided with the first empty portion of running through radiator body for settling on the radiator of position rear side of LED light source on platform, being provided with of the first empty portion is beneficial to the heat loss through convection performance improving in car headlamp, further improved radiating efficiency.
5), the utility model is provided with at the rear side of the first empty portion the air vent being connected with the first empty portion, thereby make heat in car headlamp can be transferred to along with the circulation of air the external world, greatly improved the radiating efficiency of car headlamp.
6), the utility model is provided with for separating the heat dissipation grid of the two between described the first empty portion and the second empty portion, also be that the utility model is kept apart LED light source and LED driving power effectively, not only solved the heat dissipation problem of LED driving power, also avoided the heat accumulation of the two generation together, guaranteed that car headlamp normally and stably works.
Accompanying drawing explanation
Fig. 1,2 is all the structural representations of a kind of embodiment of radiator in the utility model.
Fig. 3 is the structural representation of the another kind of embodiment of radiator in the utility model.
In figure, the implication of label symbol is as follows:
30-radiator, 31-radiator locating hole, 32-fin, 33-platform
Empty portion of the empty portion 36-the second of 34-fixed feet 35-the first
37a-the first positioning screw hole 37b-the second positioning screw hole 38-air vent
The specific embodiment
For ease of understanding, below in conjunction with accompanying drawing, concrete structure of the present utility model is further described.
As shown in Figures 1 to 3, a LED car headlamp radiator, comprises the radiator locating hole 31 being arranged on radiator 30, is provided with for settling the platform 33 of LED light source on radiator 30, described radiator 30 is made by aluminium alloy, and described radiator 30 is grid-like.
As shown in Figures 1 to 3, described grid-like radiator 30 is that the fin 32 by a plurality of fin shapes forms, and between described adjacent fin 32, is provided with gap.
As shown in Figure 1,3, described platform 33 is arranged on the middle part of radiator 30, is provided with the LED light source locating hole of being convenient to fixed L ED light source on platform 33; On platform 33, for settling on the radiator of position rear side of LED light source, be provided with the first empty portion 35 of running through radiator body; On the radiator 30 of described platform 33 downsides, be provided with for settling the second empty portion 36 of LED driving power, between described the first empty portion 35 and the second empty portion 36, be provided with for separating the heat dissipation grid of the two groups of fins that described heat dissipation grid also consists of a plurality of fin 32.
The heat dissipation grid that having between the first empty portion 35 and the second empty portion 36 set thickness has good radiating effect, guaranteed that LED light source and LED driving power can not interact when work, guaranteed in car headlamp that electronic devices and components are in normal working condition, the working life that has improved each electronic devices and components in car headlamp, has reduced maintenance cost.
Further, as shown in Figure 3, described radiator 30 is provided with outwardly air vent 38 in a side that deviates from described platform 33, and described air vent 38 is connected with the first empty portion 35, has further guaranteed the radiating effect to car headlamp.
In described air vent 38, be provided with the fin 32 of a plurality of fin shapes, to improve heat-transfer effect.
As shown in Figures 1 to 3, on described platform 33, for settling on the radiator of position rear side of LED light source, be provided with a plurality of shaft-like fixed feet 34, these a plurality of fixed feet 34 are parallel to each other and be arranged on the upside of described the first empty portion 35, and these a plurality of fixed feet 34 are all stretched out forward the upside at described platform 33, described fixed feet 34 is axially provided with the first positioning screw hole 37a of built-in screw thread along it.On radiator between described the first empty portion 35 and the second empty portion 36, be provided with a plurality of the second positioning screw hole 37b.
The setting of the first positioning screw hole 37a and the second positioning screw hole 37b, make reflector, lens in car headlamp be connected as a whole with radiator 30 when work, when car headlamp is dispelled the heat well, guarantee the illuminating effect of car headlamp, improved the overall performance of car headlamp.

Claims (7)

1. a LED car headlamp radiator, comprise the radiator locating hole (31) being arranged on radiator (30), it is characterized in that: on radiator (30), be provided with the platform (33) for settling LED light source, described radiator (30) is made by aluminium alloy, and described radiator (30) is grid-like.
2. LED car headlamp radiator according to claim 1, is characterized in that: described platform (33) is arranged on the middle part of radiator (30), is provided with the LED light source locating hole of being convenient to fixed L ED light source on platform (33); On platform (33), for settling on the radiator of position rear side of LED light source, be provided with the first empty portion (35) of running through radiator body.
3. LED car headlamp radiator according to claim 2, it is characterized in that: on the radiator (30) of described platform (33) downside, be provided with for settling the second empty portion (36) of LED driving power, between described the first empty portion (35) and the second empty portion (36), be provided with for separating the heat dissipation grid of the two.
4. according to the LED car headlamp radiator described in claim 1~3 any one, it is characterized in that: described radiator (30) is by fin (32) formation of a plurality of fin shapes, between described adjacent fin (32), is provided with gap.
5. according to the LED car headlamp radiator described in claim 2 or 3, it is characterized in that: on described platform (33), for settling on the radiator of position rear side of LED light source, be provided with a plurality of shaft-like fixed feet (34), these a plurality of fixed feet (34) are parallel to each other and be arranged on the upside of described the first empty portion (35), and these a plurality of fixed feet (34) are all stretched out forward the upside in described platform (33), and described fixed feet (34) is axially provided with the first positioning screw hole of built-in screw thread along it.
6. LED car headlamp radiator according to claim 5, is characterized in that: on the radiator between described the first empty portion (35) and the second empty portion (36), be provided with a plurality of the second positioning screw holes.
7. according to the LED car headlamp radiator described in claim 2 or 3, it is characterized in that: described radiator (30) is provided with outwardly air vent (38) in a side that deviates from described platform (33), described air vent (38) is connected with the first empty portion (35).
CN201320540266.6U 2013-08-30 2013-08-30 Radiator applied to LED (Light-Emitting Diode) automotive headlamp Active CN203464214U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320540266.6U CN203464214U (en) 2013-08-30 2013-08-30 Radiator applied to LED (Light-Emitting Diode) automotive headlamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320540266.6U CN203464214U (en) 2013-08-30 2013-08-30 Radiator applied to LED (Light-Emitting Diode) automotive headlamp

Publications (1)

Publication Number Publication Date
CN203464214U true CN203464214U (en) 2014-03-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214748A (en) * 2014-09-01 2014-12-17 苏州骏发精密机械有限公司 Grid type automobile headlamp radiator
CN104214743A (en) * 2014-08-29 2014-12-17 苏州骏发精密机械有限公司 Grid type LED (Light Emitting Diode) radiator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214743A (en) * 2014-08-29 2014-12-17 苏州骏发精密机械有限公司 Grid type LED (Light Emitting Diode) radiator
CN104214748A (en) * 2014-09-01 2014-12-17 苏州骏发精密机械有限公司 Grid type automobile headlamp radiator
CN104214748B (en) * 2014-09-01 2017-03-15 石狮市鹏工汽车教学设备有限公司 Grid type car headlamp radiator

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