CN203686953U

CN203686953U - Heat dissipating device for integrated high-power LED (Light Emitting Diode) lamps and LED lamps

Info

Publication number: CN203686953U
Application number: CN201320689868.8U
Authority: CN
Inventors: 刘以辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-04
Filing date: 2013-11-04
Publication date: 2014-07-02
Anticipated expiration: 2023-11-04

Abstract

The utility model discloses a heat dissipating device for integrated high-power LED (Light Emitting Diode) lamps and LED lamps. The heat dissipating device comprises a hollow first heat dissipating cavity with two open ends, wherein the first heat dissipating cavity is provided with two adjacent sidewalls which are used for fixedly arranging LED light sources, the two adjacent sidewalls protrude outwardly to form a V-shaped mounting wall, heat dissipating fins are arranged on the outside surfaces of sidewalls, opposite to the V-shaped mounting wall, of the first heat dissipating cavity, and a plurality of ventilating holes are respectively formed among the heat dissipating fins, formed in the V-shaped mounting wall and formed in sidewalls, opposite to the V-shaped mounting wall, of the first heat dissipating cavity. According to the heat dissipating device, a V-shaped mounting base serves as mounting bases of the LED light sources, so that the spacing among the light sources is increased, and the heat dissipation is facilitated; a heat dissipating cavity structure is formed above the V-shaped mounting base, and the ventilating holes are respectively formed in the heat dissipating cavity and the heat dissipating fins and formed among the heat dissipating fins, then, a chimney effect is formed, heat generated by the LED light sources is removed upwardly, and the heat dissipation is accelerated, so that LEDs can exert the best lighting effect, and the service lives of the LEDs are prolonged.

Description

For the heat abstractor of integrated high-power LED lamp and LED lamp

Technical field

The utility model relates to LED lighting technical field, is specifically related to a kind of heat abstractor for integrated high-power LED lamp and LED lamp.

Background technology

Energy problem has become the key issue that affects various countries' sustainable development, therefore energy-saving and cost-reducing imperative.LED lamp is high with its light efficiency, low energy consumption, and long-life advantage, has the trend that replaces traditional high-intensity gas discharge lamp, and prospect is extremely wide.But LED lamp also has fatal defect (LED lamp all uses LED light source), and the LED light source applications of integration packaging fails effectively to be solved in the light decay problem of the above high-power illumination light fixture of high-power illumination light fixture, especially 200W at present always, its main cause is that chip package is on the less support of area, the heat that moment is gathered cannot be derived in time, working long hours, it is aging to cause the fluorescent material of light source and elargol to occur, thereby causes the decay of light.The radiating fin that the LED heat abstractor of most integrated high-power LED lamps adopts is all that to extrude LED light source support integral type and that adopt be parallel-plate, owing to being subject to the restriction of expressing technique, the thickness that causes radiating fin is concentrated, there is no louvre, is caused and be difficult for heat conduction, heat radiation compared with little and parallel-plate light source fixed head heat compared with thick, area, cause heat conduction and heat radiation effect poor, shortened the service life of this kind of LED lamp.

Utility model content

The utility model provides a kind of heat abstractor for integrated high-power LED lamp and LED lamp, can overcome the shortcoming that heat conduction, radiating effect are poor and service life is short of existing integrated high-power LED lamp, to address the above problem.

A kind of heat abstractor for integrated high-power LED lamp that the utility model embodiment provides, comprise the first heat-dissipating cavity of hollow and both ends open, the first heat-dissipating cavity has two adjacent walls for fixed L ED light source, two adjacent walls are the outstanding V-type assembly wall that forms outwards, on the first heat-dissipating cavity, the outer surface of the sidewall relative with described V-type assembly wall is provided with radiating fin, between radiating fin, is distributed with multiple air vents with V-type assembly wall and the sidewall relative with described V-type wall.

Preferably, on the first heat-dissipating cavity outer wall, be positioned at V-type assembly wall both sides and extend radiating wing respectively one-body moldedly, described radiating wing comprises the second heat-dissipating cavity of hollow and both ends open, the sidewall of the second heat-dissipating cavity is distributed with multiple air vents, and the outer surface of the sidewall of the second heat-dissipating cavity side relative to V-type assembly wall is provided with radiating fin.

Preferably, described the first heat-dissipating cavity and the second heat-dissipating cavity have the radial section of same shape.

Preferably, on radiating fin and between radiating fin, be provided with air vent.

Preferably, radiating wing is to 5 °～10 ° of the relative lopsidedness of V-type assembly wall.

Preferably, the sidewall relative with described V-type wall is to outstanding heat radiation wall outside the first heat-dissipating cavity.

Preferably, heat radiation wall and V-type wall surround a convex quadrangle or fan-shaped.

Preferably, between two adjacent walls of V-type assembly wall, angle is 80 °～100 °.

Based on the heat abstractor providing in above-described embodiment, a kind of integrated high-power LED lamp is also provided in the present embodiment, comprise LED light source, also comprise above-mentioned heat abstractor, LED light source is fixed on the adjacent two side of V-type assembly wall of this heat abstractor.

Preferably, LED light source is arranged on the adjacent two side of V-type assembly wall or the electrolysis copper coin by inside with the tube chamber of splendid attire superconducting fluid is arranged on the adjacent two side of V-type assembly wall by heat-conducting substrate.

Technique scheme can be found out, due to the mounting base of the utility model embodiment take V-type mount pad as LED light source, increased the spacing between light source, be conducive to heat radiation, and V-type mount pad top forms heat radiation cavity structure, dispelling the heat on chamber and radiating fin and be equipped with air vent between radiating fin, form " stack effect ", the heat that LED light source is produced is upwards extracted out, accelerates heat radiation, make LED bring into play best illuminating effect, and extended LED service life.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the structural representation of LED lamp in the utility model embodiment;

Fig. 2 is the perspective view of heat abstractor in the utility model embodiment.

The specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.

Embodiment:

The utility model embodiment provides a kind of integrated high-power LED lamp, and as shown in Figures 1 and 2, this LED lamp comprises: integrated high-power LED light source 1 and the heat abstractor 2 for integrated high-power LED lamp.Adopt in other embodiments the LED light source of general power still can be suitable for construction for heat radiating device of the present utility model if be appreciated that.

In the utility model embodiment, comprise the first heat-dissipating cavity 21 of hollow and both ends open for the heat abstractor 2 of integrated high-power LED lamp, it is integrated high-power LED light source that the first heat-dissipating cavity 21 has for fixed L ED light source 1(the present embodiment) two adjacent walls 211, 212, two adjacent walls 211, 212 outwards give prominence to formation V-type assembly wall, being appreciated that to have to outstanding side wall construction outside the first cavity to make the first heat-dissipating cavity have larger hollow space, to accelerate circulation of air, wherein, between two adjacent walls of V-type assembly wall, angle can be made as 80 °～100 °, two adjacent walls 211 of V-type assembly wall in the present embodiment, angle b between 212 is 90 °, make the first heat-dissipating cavity there is maximum hollow space.

On the first heat-dissipating cavity 21, the outer surface of the sidewall relative with described V-type assembly wall is provided with radiating fin 3, also has air vent between radiating fin and radiating fin, when use, adopt mode shown in the drawings in the present embodiment, V-type assembly wall is positioned at below, radiating fin is positioned at top, meet the upwards design of transpiration of hot-air, V-type assembly wall and the sidewall relative with described V-type wall are distributed with multiple air vents 4, be to be distributed with multiple air vents on the sidewall of whole the first heat-dissipating cavity 21, be appreciated that, between the radiating fin 3 arranging, also can there is air vent on the outer surface of the sidewall relative with described V-type assembly wall, specifically, in order to guarantee that the first heat-dissipating cavity 21 has enough large hollow space, the sidewall relative with described V-type wall is to outstanding heat radiation wall outside the first heat-dissipating cavity, in the present embodiment, same with described heat radiation wall by two adjacent walls 213, 214 compositions, therefore the first heat-dissipating cavity 21 in the present embodiment is by four fan walls 211, 212, 213, 214 surround, form a convex quadrangle (recessed tetragonal hollow space can reduce), certainly the wall that dispels the heat in other embodiments can be also the arcwall of an evagination, can form the first fan-shaped heat-dissipating cavity with V-type assembly wall, the rule of arranging of this air vent can be regularly arranged, also can adopt random arrangement mode.

In order further to strengthen the radiating effect of heat abstractor, in the utility model embodiment, on the first heat-dissipating cavity 21 outer walls, be positioned at V-type assembly wall both sides and extend radiating wing respectively one-body moldedly, described radiating wing comprises the second heat-dissipating cavity 22 of hollow and both ends open, the sidewall of the second heat-dissipating cavity 22 is distributed with the same radiating fin 3 that is provided with of outer surface of the sidewall (upper side wall of the second heat-dissipating cavity in figure) of multiple air vent 4, the second heat-dissipating cavity 22 side relative to V-type assembly wall equally.The second heat-dissipating cavity in radiating wing is in order to increase heat radiation equally, and the second heat-dissipating cavity whole body louvre that distributed, and can realize equally chimney effect, and hot-air is upwards extracted out, accelerates heat radiation.

In fact the radiating wing of heat abstractor main body both sides is the structures of dwindling of heat abstractor main body (the first heat-dissipating cavity), radiating wing can be that along continuous straight runs stretches out in the both sides of the first heat-dissipating cavity, guarantee the integrated symmetric of heat abstractor, also can be radiating wing to 5 °～10 ° of the relative lopsidedness of V-type assembly wall, be that radiating wing relative level face is upturned 5 °～10 °, particularly, radiating wing is 7 ° to the angle a of the relative lopsidedness of V-type assembly wall in the present embodiment, and ramp structure is more conducive to hot-air and upwards distributes.Described the first heat-dissipating cavity 21 and the second heat-dissipating cavity 22 have the radial section of same shape in the present embodiment, the first heat-dissipating cavity is the hollow cavity of a rhombus, the second heat-dissipating cavity is also the heat-dissipating cavity of a rhombus, in further strengthening radiating effect, can also guarantee the balance of whole heat abstractor.Be appreciated that in other embodiments, the radial section of the second heat-dissipating cavity also can be different from the radial section of the first heat-dissipating cavity, and for example, the radial section of the second heat-dissipating cavity can be sector structure.

On radiating fin on radiating fin in the utility model embodiment on the first heat-dissipating cavity and the second heat-dissipating cavity and be equipped with air vent between radiating fin, this air vent can form the heat dissipation channel of hot-air, in order further to increase radiating effect, air vent in the present embodiment on radiating fin adopts the strip hole 5 on vertical direction, to increase the effective area of heat dissipation channel, be appreciated that,, between two adjacent radiating fins, also there is air vent in sidewall above the first heat-dissipating cavity and the second heat-dissipating cavity.

In the utility model embodiment, V-type assembly wall structure provides the pedestal of the V-type for LED light source is installed, therefore in the both sides of V-type assembly wall, LED light source can be installed, the light source spacing distance of both sides is large, be conducive to heat radiation, and the heat giving out is swiftly delivered in the first heat-dissipating cavity, and the radiator structure forming by air vent and radiating fin, Quick diffusing is gone out.

In order further to promote heat transfer speed and the effect between LED light source and the first heat-dissipating cavity, LED light source can be arranged on by heat-conducting substrate on the adjacent two side of V-type assembly wall, this heat-conducting substrate can adopt existing copper base or other heat-conducting substrates.And in the present embodiment in order to guarantee heat transfer effect, the electrolysis copper coin 6 that LED light source 1 has the tube chamber 61 of splendid attire superconducting fluid by inside is arranged on the adjacent two side 211,212 of V-type assembly wall, be electrolysis copper coin built-in catheter or directly form tube chamber, in conduit or tube chamber, fill superconducting fluid, accelerate heat transmission, make LED light source can in time heat be passed to the first heat-dissipating cavity, and finally distributed by whole heat abstractor, realizing temperature reduces, guarantee illuminating effect, increase the service life.

In addition; LED lamp in the present embodiment can increase by a lampshade 7; this lampshade is arranged on V-type assembly wall both sides and is positioned at the below of two radiating wings; only LED light source is protected; there is astigmatic effect simultaneously; certainly, in practical operation, can maybe need that lampshade is carried out to other according to different occasions and improve, at this lampshade not as the restriction of the utility model protection domain.

A kind of heat abstractor for integrated high-power LED lamp and this LED lamp above the utility model embodiment being provided is described in detail, applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand the utility model core concept; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.

Claims

1. for the heat abstractor of integrated high-power LED lamp, it is characterized in that, comprise the first heat-dissipating cavity of hollow and both ends open, the first heat-dissipating cavity has two adjacent walls for fixed L ED light source, two adjacent walls are the outstanding V-type assembly wall that forms outwards, on the first heat-dissipating cavity, the outer surface of the sidewall relative with described V-type assembly wall is provided with radiating fin, and V-type assembly wall and the sidewall relative with described V-type assembly wall are distributed with multiple air vents.

2. the heat abstractor for integrated high-power LED lamp as claimed in claim 1, it is characterized in that, on the first heat-dissipating cavity outer wall, be positioned at V-type assembly wall both sides and extend radiating wing respectively one-body moldedly, described radiating wing comprises the second heat-dissipating cavity of hollow and both ends open, the sidewall of the second heat-dissipating cavity is distributed with multiple air vents, and the outer surface of the sidewall of the second heat-dissipating cavity side relative to V-type assembly wall is provided with radiating fin.

3. the heat abstractor for integrated high-power LED lamp as claimed in claim 2, is characterized in that, described the first heat-dissipating cavity and the second heat-dissipating cavity have the radial section of same shape.

4. the heat abstractor for integrated high-power LED lamp as claimed in claim 2, is characterized in that, is provided with air vent on radiating fin and between radiating fin.

5. the heat abstractor for integrated high-power LED lamp as claimed in claim 2, is characterized in that, radiating wing is to 5 °～10 ° of the relative lopsidedness of V-type assembly wall.

6. the heat abstractor for integrated high-power LED lamp as claimed in claim 1 or 2, is characterized in that, the sidewall relative with described V-type assembly wall is to outstanding heat radiation wall outside the first heat-dissipating cavity.

7. the heat abstractor for integrated high-power LED lamp as claimed in claim 5, is characterized in that, heat radiation wall and V-type assembly wall surround a convex quadrangle or fan-shaped.

8. the heat abstractor for integrated high-power LED lamp as claimed in claim 1 or 2, is characterized in that, between two adjacent walls of V-type assembly wall, angle is 80 °～100 °.

9. integrated high-power LED lamp, comprises LED light source, it is characterized in that, also comprises the heat abstractor described in any one in the claims 1 to 8, and LED light source is fixed on the adjacent two side of V-type assembly wall of described heat abstractor.

10. integrated high-power LED lamp as claimed in claim 9, it is characterized in that, LED light source is arranged on the adjacent two side of V-type assembly wall by heat-conducting substrate or the electrolysis copper coin by inside with the tube chamber of splendid attire superconducting fluid is arranged on the adjacent two side of V-type assembly wall.