CN201582760U

CN201582760U - Heat emission structure of LED lamp

Info

Publication number: CN201582760U
Application number: CN2009202610444U
Authority: CN
Inventors: 陈志鸿; 简文祥
Original assignee: Advanced Connectek Shenzhen Ltd
Current assignee: Advanced Connectek Shenzhen Ltd
Priority date: 2009-12-04
Filing date: 2009-12-04
Publication date: 2010-09-15
Anticipated expiration: 2019-12-04

Abstract

The invention discloses a heat emission structure of an LED lamp, which comprises a heating panel, a loading shell and a transparent shell, wherein the heating panel is provided with a plurality of light-emitting diode units; the loading shell can be provided with a first containing groove used for containing the bottom of the heating panel; the bottom end of the loading shell is provided with a pedestal; the pedestal is electrically connected with the light-emitting diodes; the transparent shell is incorporated with the loading shell; the transparent shell is also provided with a second containing groove and a first hollow part, and the transparent shell is arranged on the surface of the first hollow part and provided with a through groove; and the transparent shell enables part of the heating panel to be contained into the second containing groove through the through groove, the heating panel contained in the second containing groove is provided with the light-emitting diodes, and the other part of the heating panel is positioned in the first hollow part, so that the heating panel positioned in the first hollow part can come into contact with the outside.

Description

A kind of radiator structure of LED light fixture

[technical field under novel]

This creation relates to a kind of radiator structure of LED light fixture, refers in particular to the fitting structure that can increase radiating effect.

[prior art]

In recent years, with light emitting diode (light emitting diode; LED) for the light fixture of light source is showing improvement or progress day by day in development, it has long etc. advantage of high brightness, power saving, environmental protection, service life, replaces the bulb of tradition now gradually, and applies to the lighting device of light fixture widely.

And influence the factor of LED output light flux, except the size of led chip, its heat dissipation capability also is a considerable factor.Because LED can be accompanied by the generation of heat in luminous process, and the accumulation of heat can make temperature rising gradually, too high temperature then can make the luminous efficacy of LED obviously descend, and then causes the phenomenon that has shortening service life of LED.Therefore, LED must have the setting of radiator structure on using, can operate under suitable temperature so that LED to be provided.

Yet, there is manufacturer that the pattern that LED copys conventional lamp is made in known, it mainly is disposed at LED on the pedestal of bulb.When LED began luminous running, the heat that it produced conducted to the external world after then absorbing by pedestal again.But for known to general, pedestal need be incorporated into and just can obtain electric power on the lamp socket and offer LED, and this moment, pedestal was almost coated fully by lamp socket.Therefore after the heat that LED produced was absorbed by pedestal, this pedestal but can't be got rid of heat smoothly, causes LED can't bring into play original usefulness.Moreover, so design, extraneous manufacturer can't dispose a plurality of LED to increase whole luminous flux, so the ring that the heat dissipation problem of LED light fixture is the utmost point need be solved.

Because every problem of prior art, in order to take into account solutions, this creator proposes a kind of radiator structure of LED light fixture, with implementation and the foundation as the above-mentioned shortcoming of improvement based on research and development and many practical experience for many years.

[novel content]

Because the problem of above-mentioned prior art, a wherein purpose of this creation is providing a kind of increase brightness and is improving the LED fitting structure of radiating effect exactly.

Edge is that for reaching above-mentioned purpose, according to the radiator structure of a kind of LED light fixture of this creation system exposure, it includes a heat sink, and takes advantage of year a housing and a printing opacity housing.Be to dispose a plurality of light emitting diodes on this heat sink, this is taken advantage of and carries a housing and can have one first storage tank, and for the bottom of putting this heat sink, and this takes advantage of the bottom of year housing to dispose a pedestal, and this pedestal and this light emitting diode have electrically connect.This printing opacity housing takes advantage of a year housing collocation to combine with this, and this printing opacity housing also has one second storage tank and one first hollow-out parts, and this printing opacity housing has a saturating groove on the surface of this first hollow-out parts.Wherein, this printing opacity housing makes partly being placed in this second storage tank of this heat sink by this saturating groove, and be placed in this heat sink in this second storage tank for disposing this a plurality of light emitting diodes, and another of this heat sink partly is positioned at this first hollow-out parts, makes the heat sink that is positioned at this first hollow-out parts be able to contact with extraneous.

Can further have aspects such as jut or indentation on the heat sink of this creation, increasing the surface area of heat sink, and then can promote the radiating effect of integral body.

The heat sink of this creation can have one second hollow-out parts, this second hollow-out parts and the collocation of this first hollow-out parts, ambient atmos can be flowed, to reach the radiating effect that promotes integral body in the perforative space that this first hollow-out parts and this second hollow-out parts are formed.

From the above, the radiator structure of the LED light fixture of Yin Yiben creation, it can have one or more following advantage:

(1) the configurable a plurality of LED of this fitting structure unit is to increase whole brightness.

(2) this fitting structure can improve the effect of heat radiation, and is too high and cause reducing service life or the situation generation of damage with the temperature of avoiding the LED unit.

Now by making your juror further understanding and understanding be arranged to the technical characterictic of this creation and the effect that reached, careful assistant with preferable embodiment and cooperate detailed explanation as after.

[brief description of drawingsfig]

Fig. 1 is the decomposing schematic representation of first preferred embodiment of the radiator structure of this creation LED light fixture;

Fig. 2 is the schematic perspective view of first preferred embodiment of the radiator structure of this creation LED light fixture;

Fig. 3 is the schematic perspective view of second preferred embodiment of the radiator structure of this creation LED light fixture;

Fig. 4 is the decomposing schematic representation of the 3rd preferred embodiment of the radiator structure of this creation LED light fixture;

Fig. 5 is the schematic perspective view of the 3rd preferred embodiment of the radiator structure of this creation LED light fixture;

Fig. 6 is the schematic perspective view of the 4th preferred embodiment of the radiator structure of this creation LED light fixture.

[embodiment]

Hereinafter with reference to correlative type, the embodiment of the radiator structure of the LED light fixture of complying with this creation is described, to be convenient to understand for making, the same components system among the following embodiment illustrates with identical symbology.

See also Figure 1 and Figure 2, Fig. 1 is the decomposing schematic representation of first preferred embodiment of the radiator structure of this creation LED light fixture, and Fig. 2 is the schematic perspective view of first preferred embodiment of the radiator structure of this creation LED light fixture.Among the figure, the radiator structure of LED light fixture includes a heat sink (10), and takes advantage of year a housing (20) and a printing opacity housing (30).

This heat sink (10) but to be mainly the material of heat conduction made, as aluminium material etc.This heat sink (10) of this creation includes a face (100) and a bottom (102).This heat sink (10) should face (100) on peripheral configurable a plurality of light emitting diodes (12) are arranged.

This takes advantage of a year housing (20) mainly to have one first storage tank (22), for this bottom (102) of putting this heat sink (10).And this takes advantage of the bottom of carrying housing (20) to dispose a pedestal (40), and this pedestal (40) is the material that can conduct electricity, and has electrically connect with this light emitting diode (12).Therefore,, be connected a last lamp socket (scheming not show) as this pedestal (40) when this pedestal (40) obtains electric power by the external world's transmissions, make this light emitting diode (12) can form conduction state and can be shinny.Wherein, this pedestal (40) is taken advantage of the mode of carrying housing (20) combination can be to engage with this or the mode of bonding.And this takes advantage of the material of carrying housing (20) to can be plastic material, glass material, acryl material or the non-conductive material of other equivalence.

This printing opacity housing (30) can be the material of glass material, acryl material or other equivalent light-permeable.This printing opacity housing (30) takes advantage of year housing (a 20) collocation to combine with this, this printing opacity housing (30) also has one second storage tank (32) and one first hollow-out parts (34), and this printing opacity housing (30) has a saturating groove (36) on the surface of this first hollow-out parts (34).Wherein, this printing opacity housing (30) makes this heat sink (10) in partly being placed in this second storage tank (32) of this face (100) by this saturating groove (36), and is placed in this heat sink (10) in this second storage tank (32) for disposing this a plurality of light emitting diodes (12).And this heat sink (10) partly is positioned at this first hollow-out parts (34) in another of this face (100), and then makes should being able to contact with extraneous by face (100) of this heat sink (10) of being positioned at this first hollow-out parts (34).

Wherein, this heat sink (10) surface of being positioned at this first hollow-out parts (34) can further have first jut (14), the first indentation portion (16) or have this first jut (14) simultaneously and this first indentation portion (16) (seeing also Fig. 3).It is mainly in order to increase this heat sink (10) in the surface area at this place, further can improve the effect of heat radiation again.And this first jut (14) can be sheet, particle, stratum or other can increase the equivalent kenel of surface area, if that the first indentation portion (16) then can be is latticed, wavy, fish scale shape or other can increase the equivalent kenel of surface area.

Moreover the heat that this light-emitting diode chip for backlight unit (12) is produced also can be by this printing opacity housing (30) heat radiation.Therefore, this takes advantage of year housing (20) or this printing opacity housing (30) more can have one second jut (38) or one second indentation portion (39) (please consulting Fig. 3 again) on outer surface, also be in order to increase the surface area of this printing opacity housing (20), and can improve the radiating effect of integral body.And this second jut (38) can be sheet, particle, stratum or other can increase the equivalent kenel of surface area, if that the second indentation portion (39) then can be is latticed, wavy, fish scale shape or other can increase the equivalent kenel of surface area.

After this pedestal (40) obtained the extraneous electric power that is transmitted, it is luminous that this light emitting diode (12) can be operated, and produce heat simultaneously.The heat that produced this moment can absorb by this heat sink (10), and can by this heat sink (10) with and first jut (14) or the first indentation portion (16) heat is passed to the external world, and this takes advantage of year housing (20) and this printing opacity housing (30) also heat can be passed to the external world, and then avoids this light emitting diode (12) in excessive temperature running down.And the shape of this heat sink (10) can make this light-emitting diode chip for backlight unit (12) not only be disposed on the side, the two sides of this heat sink (10) are also configurable this light-emitting diode chip for backlight unit (12), makes the angular range of WBR be not easy to be limited in the particular range.

See also Fig. 4 and shown in Figure 5 again, Fig. 4 is the decomposing schematic representation of the 3rd preferred embodiment of the radiator structure of this creation LED light fixture, and Fig. 5 is the schematic perspective view of the 3rd preferred embodiment of the radiator structure of this creation LED light fixture.Present embodiment will be described and not the existing together of two preferred embodiments, and its something in common will no longer be given unnecessary details.Present embodiment is that mainly this heat sink (10) has one second hollow-out parts (18), and this second hollow-out parts (18) can be the aspect that runs through fully, and this second hollow-out parts (18) can allow overall structure formation have the aspect that runs through with this first hollow-out parts (34).This surface, place of this heat sink (10) that is positioned at this second hollow-out parts (18) can be contacted with the external world, and then can reach the effect that heat radiation is provided, when operating, have overheated phenomenon to produce to avoid this light emitting diode (12).In addition, this heat sink (10) can further have one the 3rd jut or one the 3rd indentation portion (19) on the surface of this second hollow-out parts (18).And the 3rd jut can be sheet, particle, stratum or other can increase the equivalent kenel of surface area, if that the 3rd indentation portion (19) then can be is latticed, wavy, fish scale shape or other can increase the equivalent kenel of surface area, its both main purposes all are the effects that can increase heat radiation.

Moreover this second hollow-out parts (18) also can be latticed aspect (seeing also shown in Figure 6), and it not only has identical effect with last embodiment.And heat sink (10) is can more last embodiment many in this place and the surface area that contacts of the external world, so the effect of its heat radiation also can be better than last embodiment.

By above-mentioned this creation embodiment as can be known, this creates the value on the true tool industry.Only above embodiment explanation, only be the preferred embodiment explanation of this creation, but not be restricted person, any spirit and category that does not break away from this creation, such as have in the affiliated technical field and know that usually the knowledgeable when doing other all improvement and change the described illustrative that only is according to the foregoing description explanation of this creation, all should be contained in the attached claim in back.

[primary clustering symbol description]

The facial 102-of 10-heat sink 100-bottom

The 12-light emitting diode 14 first jut 16-first indentation section

The 18-second hollow-out parts 19-the 3rd 20-of indentation section takes advantage of and carries housing

22 first storage tank 30-printing opacity housing 32-, second storage tank

Saturating groove 38-second jut of the 34-first hollow-out parts 36-

39-second 40-of the indentation section pedestal

Claims

1. the radiator structure of a LED light fixture is characterized in that the radiator structure of this LED light fixture comprises:

One heat sink, and dispose a plurality of light emitting diodes on this heat sink;

One takes advantage of and carries a housing, has one first storage tank, and for the bottom of putting this heat sink, and this takes advantage of the bottom of year housing to dispose a pedestal, and this pedestal and this light emitting diode have electrically connect; And

One printing opacity housing takes advantage of a year housing collocation to combine with this, and this printing opacity housing also has one second storage tank and one first hollow-out parts, and this printing opacity housing has a saturating groove on the surface of this first hollow-out parts;

Wherein, this printing opacity housing makes partly being placed in this second storage tank of this heat sink by this saturating groove, and be placed in this heat sink in this second storage tank for disposing this a plurality of light emitting diodes, and another of this heat sink partly is positioned at this first hollow-out parts, makes this heat sink that is positioned at this first hollow-out parts be able to contact with extraneous.

2. the radiator structure of LED light fixture according to claim 1 is characterized in that surface that this heat sink is exposed to this first hollow-out parts goes up cording one first jut or one first indentation portion are arranged.

3. as the radiator structure of the LED light fixture as described in the claim 2, it is characterized in that the aspect that this first jut is sheet, particle or stratum, and this first indentation portion is an aspect latticed, wavy or the fish scale shape.

4. the radiator structure of LED light fixture according to claim 1 is characterized in that this heat sink has one second hollow-out parts in this first hollow-out parts part cording.

5. as the radiator structure of the LED light fixture as described in the claim 4, it is characterized in that this second hollow-out parts system is rendered as consistent through hole or latticed aspect.

6. as the radiator structure of the LED light fixture as described in the claim 5, it is characterized in that this heat sink goes up system in the surface of this second hollow-out parts and have one the 3rd jut or one the 3rd indentation portion.

7. as the radiator structure of the LED light fixture as described in the claim 6, it is characterized in that the 3rd jut is the aspect of sheet, particle or stratum, and the 3rd indentation portion is an aspect latticed, wavy or the fish scale shape.

8. the radiator structure of LED light fixture according to claim 1, the material that it is characterized in that this printing opacity housing is glass or acryl material.

9. the radiator structure of LED light fixture according to claim 1 is characterized in that this takes advantage of the material of carrying housing is plastics, glass or acryl material.

10. the radiator structure of LED light fixture according to claim 1 is characterized in that the surperficial cording of this printing opacity housing has one second jut or one second indentation portion.

11. the radiator structure as the LED light fixture as described in the claim 10 it is characterized in that the aspect that this second jut is sheet, particle or stratum, and this second indentation portion is an aspect latticed, wavy or the fish scale shape.