CN202938189U

CN202938189U - LED car light

Info

Publication number: CN202938189U
Application number: CN2012205741849U
Authority: CN
Inventors: 王小明
Original assignee: CHONGQING LEIBEN PHOTOELECTRIC TECHNOLOGY Co Ltd
Current assignee: CHONGQING LEIBEN PHOTOELECTRIC TECHNOLOGY Co Ltd
Priority date: 2012-10-14
Filing date: 2012-10-14
Publication date: 2013-05-15
Anticipated expiration: 2022-10-14

Abstract

The utility model discloses a LED car light which comprises LED light sources, and further comprises reflective cups, wherein the LED light sources are surrounded by part of the reflective cups; and light emitted by the LED light sources is reflected by the reflective cups. The LED car light has the advantages that power consumption and product cost are reduced; and through reasonable optical light distribution, the utilization ratio of the light sources is effectively improved, and the brightness is greatly enhanced; and in the aspect of heat radiation, a single chip is adopted for independent heat radiation, so as to effectively reduce the junction temperature of the LEDs, and prolong the service lives of the LEDs.

Description

A kind of LED car light

Technical field

The utility model relates to car class field of illuminating lamps, relates in particular to a kind of LED car light.

Background technology

At present, the light source of most of LED car headlamps is all to adopt the LED module, and its power consumption is large, and cost is high, and LED chip concentrates in together, and heat is difficult to discharge rapidly, causes LED to reduce service life.

The utility model content

For this reason, the utility model proposes a kind of new LED car light of at least a portion that can address the above problem.

The utility model provides a kind of LED car light, comprises LED light source, it is characterized in that: also comprise reflector, described reflector partly surrounds described LED light source, and the light that described LED light source is launched reflects away through described reflector.

Alternatively, described LED light source and reflector are two.

Alternatively, the reflecting surface of described reflector is comprised of a plurality of miniature free form surfaces.

Alternatively, described LED car light also further comprises radiator, and described radiator comprises the first heat-radiating substrate, the first groups of fins and heat pipe; Described LED light source and reflector are fixed on the first surface of described the first heat-radiating substrate, and described the first groups of fins is arranged on second of the first heat-radiating substrate, and described heat pipe is embedded in the first heat-radiating substrate.

Alternatively, described heat pipe is positioned at position under described LED light source through the first heat-radiating substrate.

Alternatively, described radiator also further comprises the second heat-radiating substrate and the second groups of fins, and the second groups of fins is arranged on second of the second heat-radiating substrate, and the first surface of described the second heat-radiating substrate contacts with the first surface of described the first heat-radiating substrate.

Alternatively, described radiator is provided with breach.

Alternatively, the shape of described the second heat-radiating substrate is consistent with the shape of described breach.

Alternatively, described LED light source is to be fixed on the first surface that is fixed on again described the first heat-radiating substrate on copper base afterwards.

Alternatively, described lamp also further comprises fixed support, and described fixed support is arranged on the 3rd of described the first heat-radiating substrate.

LED car light in the utility model has reduced power consumption and product cost, through rational optics luminous intensity distribution, has effectively improved the utilization rate of light source, has greatly strengthened brightness; Simultaneously, aspect heat radiation, take single chips to carry out independent mode of dispelling the heat, effectively reduce the operating temperature of LED, improved its working life.

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 restriction of the present utility model.And in whole accompanying drawing, represent identical parts with identical reference symbol.In the accompanying drawings:

Fig. 1 is the front view of the LED Vehicle lamp structure of an embodiment of the utility model;

Fig. 2 is the rearview of the LED Vehicle lamp structure of an embodiment of the utility model; And

Fig. 3 is the decomposition texture schematic diagram of LED light source and radiator in embodiment of the utility model.

The specific embodiment

The utility model will be further described below in conjunction with accompanying drawing and concrete embodiment.

The utility model provides a kind of LED car light, also comprises reflector, and described reflector partly surrounds described LED light source, and the light that described LED light source is launched reflects away through described reflector.

In an embodiment of the present utility model, described LED light source and reflector are two.

Fig. 1 and Fig. 2 show respectively front view and the rearview of the LED Vehicle lamp structure of an embodiment of the utility model.As depicted in figs. 1 and 2, described LED car light comprises LED light source 1 and reflector 2.Described reflector 2 parts surround described LED light source 1.During LED light source work, the light of launching reflects away via reflector 2.

Described reflector 2 is comprised of reflecting surface and shell.In an embodiment of the present utility model, the reflecting surface of described reflector is comprised of a plurality of miniature free form surfaces.Described LED light source 1 part is surrounded by reflector, for example, described LED light source 1 can be placed in any one focus place of described a plurality of miniature free form surfaces, as long as the light of light source emission can be reflected away.The reflecting surface that has the free form surface composition of a plurality of combinations due to reflector, the light of LED light source emission can strengthen the light intensity that reflects thus through a plurality of free form surfaces reflections, has improved the light source utilization rate.

Described reflecting surface can also be that 1/4th spherical or elliposoidals or class are spherical, can be also other any shapes, as long as reflecting surface can reflect away with the light that allows LED light source 1 launch coordinating of LED light source 1.When this reflecting surface is 1/4th when spherical, light source 1 can be arranged at this spherical centre of sphere place.Again for example, when this reflecting surface is elliposoidal, this light source 1 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 reflecting surface can be other any suitable shape, the class that for example has complicated shape is spherical, thereby forms required reflecting effect.

LED car light described in the utility model also comprises radiator, and described radiator comprises the first heat-radiating substrate, the first groups of fins and heat pipe; Described LED light source and reflector are fixed on the first surface of described the first heat-radiating substrate, and described the first groups of fins is arranged on second of the first heat-radiating substrate, and described heat pipe is embedded in the first heat-radiating substrate.Described heat pipe is positioned at position under described LED light source through the first heat-radiating substrate.Preferably, described radiator also further comprises the second heat-radiating substrate and the second groups of fins, and the second groups of fins is arranged on second of the second heat-radiating substrate, and the first surface of described the second heat-radiating substrate contacts with the first surface of described the first heat-radiating substrate.

As shown in Fig. 1 and Fig. 2, described LED car light also comprises radiator 3.Fig. 3 shows the decomposition texture schematic diagram of the utility model LED light source and radiator.As shown in Figure 3, described radiator 3 comprises the first heat-radiating substrate 301, the second heat-radiating substrate 302, the first groups of fins 303, the second groups of fins 304 and heat pipe 305.Described the first groups of fins 303 is arranged on second of the first heat-radiating substrate 301, the second groups of fins 304 is arranged on second of the second heat-radiating substrate 302, and the first surface of described the second heat-radiating substrate 302 contacts with the first surface of described the first heat-radiating substrate 301.Described the second heat-radiating substrate 302 can be fixed on described the first heat-radiating substrate in several ways, for example by rivet fix, hinge fixes, perhaps on described the first heat-radiating substrate 301 surfaces, draw-in groove is set and realizes being fixedly connected with the second heat-radiating substrate 302.

By can find out in Fig. 1 and Fig. 2, described LED light source 1 and described reflector 2 are fixed on the first surface of the first heat-radiating substrate 301 of radiator.

Described the first heat-radiating substrate 301 is embedded with heat pipe 305, and described heat pipe 305 is positioned at position under described LED light source 1 through the first heat-radiating substrate 301.When LED light source 1 work, the heat of generation is passed on the first heat-radiating substrate 301, and heat is passed to the first groups of fins 303 and the second groups of fins 304 through heat pipe 305, by fin, heat is shed.Owing to having adopted two groups of fin, therefore improved the heat-sinking capability of radiator, make the rapider of dissipation of heat.

In an embodiment of the present utility model, described radiator is provided with breach.As shown in Figure 3, described radiator 3 is provided with breach 5.The contact area that is arranged so that fin and air of breach becomes large, and therefore area of dissipation also enlarges, thereby improves the radiating efficiency of radiator.The shape of described breach can be any shape, as long as it can make the contact area of fin and air become large.Preferably, the shape of described the second heat-radiating substrate 302 is consistent with the shape of described breach 5.In this kind situation, the first heat-radiating substrate and the first groups of fins are cut away a part, be fixed on described the first heat-radiating substrate after the partial switching of then this being cut away 180 degree and get final product.This kind mode has not only enlarged the contact area of fin and air but also take full advantage of the part radiator material that is cut off, and has improved radiating efficiency, has saved material cost.

In an embodiment of the present utility model, described LED light source is to be fixed on the first surface that is fixed on again described the first heat-radiating substrate on copper base afterwards.This is because the heat-radiating substrate of radiator is generally aluminum alloy material, is unsuitable for being welded and fixed of LED light source.In order to fix LED light source more firm better, after can being welded on described LED light source 1 on copper base 4, copper base be arranged on the first surface of described the first heat-radiating substrate 301.Be understandable that, also can make LED light source directly to be fixed on heat-radiating substrate by other any means, for example change the material of heat-radiating substrate, change the connected mode of LED light source and heat-radiating substrate etc.

The utility model volume is little, and design flexibility is large, random conversion light fixture pattern, the lighting demand of applicable all kinds car class.As shown in Fig. 1 and Fig. 2, described LED car light comprises that also fixed support 6 is used for described LED car light is fixed on dissimilar car to realize the demand of illumination.Described fixed support 6 is arranged on the 3rd of described the first heat-radiating substrate 301.Be understandable that, described fixed support can also be arranged on other positions of LED car light, realizes illuminating effect as long as make the LED car light to be combined with dissimilar car.

It should be noted, 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 that do not break away from the scope of 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 claim.Being positioned at word " " before 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

1. a LED car light, comprise LED light source, it is characterized in that: also comprise reflector, described reflector partly surrounds described LED light source, and the light that described LED light source is launched reflects away through described reflector.

2. LED car light according to claim 1, it is characterized in that: described LED light source and reflector are two.

3. LED car light according to claim 1, it is characterized in that: the reflecting surface of described reflector is comprised of a plurality of miniature free form surfaces.

4. LED car light according to claim 1, it is characterized in that: described LED car light also comprises radiator, and described radiator comprises the first heat-radiating substrate, the first groups of fins and heat pipe; Described LED light source and reflector are fixed on the first surface of described the first heat-radiating substrate, and described the first groups of fins is arranged on second of the first heat-radiating substrate, and described heat pipe is embedded in the first heat-radiating substrate.

5. LED car light according to claim 4 is characterized in that: described heat pipe is positioned at position under described LED light source through the first heat-radiating substrate.

6. LED car light according to claim 4, it is characterized in that: described radiator also further comprises the second heat-radiating substrate and the second groups of fins, the first surface of described the second heat-radiating substrate contacts with the first surface of described the first heat-radiating substrate, and the second groups of fins is arranged on second of the second heat-radiating substrate.

7. LED car light according to claim 4, it is characterized in that: described radiator is provided with breach.

8. LED car light according to claim 7, it is characterized in that: the shape of described the second heat-radiating substrate is consistent with the shape of described breach.

9. LED car light according to claim 1 is characterized in that: described LED light source is to be fixed on after being fixed on copper base on the first surface of described the first heat-radiating substrate again.

10. the described LED car light of any one according to claim 1-9, it is characterized in that: described lamp also further comprises fixed support, described fixed support is arranged on the 3rd of described the first heat-radiating substrate.