CN203560854U

CN203560854U - Heat sink device

Info

Publication number: CN203560854U
Application number: CN201320573428.6U
Authority: CN
Inventors: 曹治中; 吕英杰; 黄柏恺
Original assignee: Easy Star Creation Ltd
Current assignee: Fujing Integrated Technology Inc
Priority date: 2012-09-19
Filing date: 2013-09-16
Publication date: 2014-04-23
Anticipated expiration: 2023-09-16
Also published as: TWM455127U

Abstract

The utility model discloses a heat abstractor uses in the illumination lamps and lanterns, and this heat abstractor contains a base and a heat radiation structure, and the base has an upper surface and a lower surface of relative upper surface, and the illumination lamps and lanterns set up in the lower surface to make the attached in lower surface of several LED light source that the illumination lamps and lanterns had. The heat dissipation structure is provided with a plurality of fins and a plurality of grooves, wherein the fins are arranged on the upper surface at intervals along a first direction, and the grooves penetrate through the fins along a second direction perpendicular to the first direction. The utility model discloses a heat abstractor can remove through modes such as overheated conduction, convection current and radiation respectively, effectively reduces the function temperature of light source, prolongs the life of light source.

Description

Heat abstractor

Technical field

The utility model is about a kind of heat abstractor; Particularly about a kind of heat abstractor that is used in a lighting.

Background technology

With light emitting diode (Light Emitting Diode, LED) be the made lighting of light source, because there is low power consuming, power saving, long service life, the advantage such as volume is little and reaction speed is fast, be aided with the technology and the industry development that reach its maturity now, replace conventional lamp gradually and become main lighting.Especially, when LED lighting being replaced to the street lamp that original communal facility used, its electric cost expenditure that can save will be more considerable.

But, old in order to replace the LED lighting of conventional lamp, because be only, LED light source is attached to a pedestal with predetermined size dimension, thereby reach the heat radiation of pedestal and the lighting demand of LED, therefore under long-time use out of doors, easily cause the upper surface (with respect to the surface that the lower surface of LED light source is installed) of pedestal to adhere to blocked up dust, and affected the radiating effect of pedestal.On the other hand, when in rainy day, the upper surface of old pedestal because be conventionally only provided with simple embossing, is also difficult to effectively carry out the eliminating operation of rainwater, and it is more obvious to make to pile up the situation of dust, has hindered the heat dissipation of pedestal originally.

In other words, the LED lighting of prior art, because the bad cause of foundation design, easily causes the dust accretions phenomenon of pedestal upper surface, make to use lower LED light source overheated for a long time, and from affecting the luminescent lifetime of LED light source.

In view of this, how to design a kind of heat abstractor that is used in lighting, it is effectively avoided the accumulation of dust, and has good heat dissipation, to extend the luminescent lifetime of several LED light sources, is an industry problem demanding prompt solution for this reason.

Utility model content

An object of the present utility model is to provide a kind of heat abstractor, is used in a lighting, and by the setting of several fins and hollow hole, increases the convection current of area of dissipation and air, to reach the object of effective reduction lighting operating temperature.

Another object of the present utility model is to provide a kind of heat abstractor, and the upper surface of the radiator structure that it has is fitted can be coated with a hole sealing agent, effectively to reduce the adhesive ability of outdoor dust and rainwater, thereby maintains for a long time original heat radiation function.

For reaching above-mentioned purpose, heat abstractor of the present utility model comprises a pedestal and a radiator structure.Pedestal has a lower surface of a upper surface and relative upper surface, and lighting is arranged at lower surface, and makes several LED light sources that lighting has be attached at lower surface.Radiator structure has several fins and several profile groove, and several fins are arranged at intervals at upper surface along a first direction respectively, and several profile groove is respectively along the second direction perpendicular to first direction, penetrates several fin settings.

For allow above-mentioned object, technical characterictic and advantage more the personage of this area know and apply, below with several preferred embodiments of the present utility model and accompanying drawing, be described in detail.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of heat abstractor of the present utility model.

Fig. 2 is the exploded view of heat abstractor of the present utility model.

Fig. 3 is the upward view of heat abstractor of the present utility model.

Fig. 4 is the upward view that heat abstractor of the present utility model does not cover lampshade.

Wherein:

100 heat abstractor 110 pedestal 112 upper surfaces

114 lower surface 120 radiator structures

122 fin 124 profile groove 126 through holes

130 lock member 140 lampshade 200 lightings

210LED light source A cross section

D1 first direction D2 second direction.

The specific embodiment

As shown in Figure 1, it is the stereogram of a heat abstractor 100 of the present utility model.Wherein, can be in the lump with reference to figure 4, the upside that heat abstractor 100 is arranged at a lighting 200 to be to assist heat radiation, and lighting 200 is suitable can several LED light sources 210 be installed customizedly according to different lighting demands, so that needed briliancy and brightness to be provided.

Then,, please refer to Fig. 1, Fig. 2 and Fig. 3, heat abstractor 100 of the present utility model comprises a pedestal 110, a radiator structure 120, at least one lock member 130 and a lampshade 140.Wherein, pedestal 110 has a lower surface 114 of a upper surface 112 and relative upper surface 112, and lighting 200 is arranged at lower surface 114, makes several LED light sources 210 that lighting 200 has be attached at (as shown in Figure 4) on lower surface 114.Radiator structure 120 has several fins 122 and several profile groove 124, several fins 122 are equidistantly arranged at intervals at upper surface 112 along a first direction D1 respectively, and several profile grooves 124, respectively along the second direction D2 perpendicular to first direction D1, equidistantly penetrate several fins 122 (as shown in Figure 1) are set.

Several fins 122 can further respectively have a through hole 126, along first direction D1, run through respectively this fin 122.Thus, by the setting of several through holes 126, by contribute to increase air on radiator structure 120 to flow phenomenon, with when lighting operates, the high temperature promptly several LED light sources 210 being produced removes on pedestal 110.It should be noted that, the shape that through hole 126 has is not limited in this, and circle, triangle etc. all can be considered the shape that the utility model through hole 126 has such as.

On the other hand, though several fins 122 are equidistantly arranged at intervals at respectively the upper surface 112 of pedestal 110 along first direction D1, but the several fins 122 that preferably, are positioned at the upper surface 112 of pedestal 110 arrange corresponding to several LED light sources 210 of the lower surface 114 of pedestal 110.In other words, the several LED light sources 210 that are positioned at the lower surface 114 of pedestal 110 first equidistantly arrange at interval along first direction D1, thus, the several fins 122 that arrange corresponding to several LED light sources 210 just must equidistantly arrange at interval along first direction D1 in the upper surface 112 of pedestal 110.By aforesaid setting, the heat energy that several LED light sources 210 produce when electrified light emitting, must by the lower surface 114 of pedestal 110, be taken to the upper surface 112 of pedestal 110 in the very first time by the mode of conduction, and dispel the heat by several fins 122 of the radiator structure 120 of top.In addition, the section A that several fins 122 have along second direction D2 is preferably a up-narrow and down-wide shape, as rectangle, taper or triangle etc., in this, is not limited equally.

As shown in Figure 1, because equidistantly penetrating respectively several fins 122, several profile grooves 124 arrange, therefore no matter be the accumulation of dust in general weather situation, or rainwater falls during rainy day, all can be the D1 direction of several fins 122 or the D2 direction of several profile groove 124 guides, and be difficult to residue on radiator structure 120.

Please also refer to Fig. 2 and Fig. 4, at least one lock member 130 is in order to be locked in lighting 200 and lampshade 140 lower surface 114 of pedestal 110, make the lampshade 140 can be in order to coated lighting 200, and make several LED light sources 210 that lighting 200 has can seamlessly be attached at the lower surface 114 of pedestal 110, so that good capacity of heat transmission to be provided.Certainly, in this area tool, conventionally know that the knowledgeable also can know by inference easily, by pedestal 110, radiator structure 120 and at least one lock member 130 with integrated mode combination, so that the thermal conduction effect of better excellence to be provided.In addition, lock member 130, except can be screw or rivet etc. in order to assist fixing element, also can be fluid sealant etc. and sticks together the fixedly adhesive agent of use, in this, is not limited equally.

Special setting in aforementioned structure; also can be used in the mode that is coated with a fear hole sealing agent on radiator structure 120; reduce the chance that dust and rainwater are deposited in radiator structure 120; and more can be by radiator structure 120 is utilized to a reanodizing; to form the mode of a black protective layer; carry out radiation of heat effect, remove the used heat that LED light source 210 produces when running.

In sum, the utility model is used in the heat abstractor 100 of lighting 200 by the face shaping of radiation structure improved 120, and be aided with the mode of carrying out specially treated in the surface of radiator structure 120, reduce the accumulation of dust and rainwater, the used heat that simultaneously makes several LED light sources 210 produce when running, can by modes such as hot conduction, convection current and radiation, remove respectively, effectively reduce the operational temperature of several LED light sources 210, extend the luminescent lifetime of LED light source 210.

Claims

1. a heat abstractor, is used in lighting, and this lighting has several LED light sources, and this heat abstractor comprises:

A pedestal, has a upper surface and a lower surface of this upper surface relatively, and this lighting is arranged at this lower surface, makes described each LED light source be attached at this lower surface; And

A radiator structure, has several fins and several profile groove, and described each fin is arranged at intervals at this upper surface along a first direction respectively, and described each profile groove is respectively along a second direction perpendicular to this first direction, penetrates described each fin setting.

2. heat abstractor as claimed in claim 1, wherein said each fin respectively has a through hole, along this first direction, runs through respectively this fin.

3. heat abstractor as claimed in claim 1, wherein described each fin of this upper surface arranges corresponding to described each LED light source of this lower surface.

4. heat abstractor as claimed in claim 1, the cross section that wherein said each fin has along this second direction is up-narrow and down-wide rectangle, taper or triangle.

5. heat abstractor as claimed in claim 1, also comprises at least one lock member, in order to this lighting is locked in to this lower surface.

6. heat abstractor as claimed in claim 5, wherein this pedestal, this radiator structure and this at least one lock member are formed in one.

7. heat abstractor as claimed in claim 1, wherein this radiator structure coating hole sealing agent.

8. heat abstractor as claimed in claim 1, wherein this radiator structure utilizes reanodizing, forms a protective layer.

9. heat abstractor as claimed in claim 1, also comprises a lampshade, is arranged at this lower surface of this pedestal, to be coated this lighting.