CN2934915Y

CN2934915Y - Multiple set heat radiation structure of LED lamp

Info

Publication number: CN2934915Y
Application number: CNU2006201180498U
Authority: CN
Inventors: 李嘉豪
Original assignee: JIEFEI CO Ltd
Current assignee: JIEFEI CO Ltd
Priority date: 2006-06-06
Filing date: 2006-06-06
Publication date: 2007-08-15
Anticipated expiration: 2016-06-06

Abstract

A multi-group heat radiation structure provides heat radiation for LED lamp groups. The heat radiation structure comprises a heat conduction seat, a plurality of heat tubes and a plurality of heat radiators. One end side of the heat conduction seat is attached and contacted with LED lamp groups, each heat tube is provided with a heat absorbing end and a heat delivering end and the heat absorbing end is connected with the other end side of the heat conduction seat. And each heat radiator is provided with a hollow cylinder and a plurality of heat radiation pieces are formed on the periphery edge of the cylinder which are sleeved on the heat delivering ends of the heat tubes. Therefore, with the separate arrangement of each heat tube and each heat radiator, the heat generated by the operation of LED lamp groups is radiated by the multi-point heat conduction and radiation so that the LED lamp groups can operate at proper working temperature continuously and extend a services life.

Description

The multiple group type radiator structure that the LED light fixture is used

Technical field

The utility model relates to the multiple group type radiator structure that a kind of LED light fixture is used, and is especially a kind of in order to the multiple group type radiator structure of LED lamp group heat radiation to be provided.

Background technology

Because light emitting diode (LED) has plurality of advantages such as brightness height, power saving, life-span length, and is widely used in the illumination of electronic installation or light fixture.For increasing its range of exposures and brightness, normally be combined into LED lamp group, yet along with the increase of light emitting diode quantity and being developed successively of High Power LED, the heat that its running is produced is just progressively upwards soaring by a plurality of light emitting diodes.Therefore, has the radiator structure that provides the LED light fixture to use, for being engaged in the important topic that the stakeholder studied of the sector.

The radiator structure that known LED light fixture is used, as depicted in figs. 1 and 2, it mainly comprises plume 10a and is socketed in radiator 20a on the plume 10a.The bottom surface of this plume 10a is used for LED lamp group (not shown) and is attached contact, radiator 20a then has hollow barrel mast 21a, and outwards be extended with a plurality of fin 22a radially in the outer peripheral edge of barrel mast 21a, and so, to constitute the radiator structure that the LED light fixture is used.

Yet the radiator structure that known LED light fixture is used still has following problem under reality is used, and the heat that this LED lamp group is produced is the diversion by single plume 10a only.Because the internal capacity of this plume 10a is big, and is comparatively slow to the reaction speed of heat, thereby significantly reduces its diversion speed to heat.In addition, because the conducting path of heat is to give barrel mast 21a from the surface conductive of plume 10a, conduct to this fin 22a respectively by barrel mast 21a again.Therefore each fin 22a be heated situation from its root outwards the mode of tapering off reduce, the zone beyond the stage casing of this fin 22a respectively only is to occupy limited usage space, and the heat radiation of LED lamp group can not be provided.Therefore, the heat that the radiator structure of said structure can transmit will significantly be arrested limit, thereby shortened the service life of the light emitting diode of LED lamp group.

In view of the problem that above-mentioned known technology produced, then the design people being engaged in the sector experience for many years, and in line with excelsior spirit, active research improvement, the multiple group type radiator structure that provides a kind of LED light fixture to use.

The utility model content

In order to overcome the problem that exists in the above-mentioned known technology, the multiple group type radiator structure that provides a kind of LED light fixture to use is provided main purpose of the present utility model, and in order to the heat radiation of LED lamp group to be provided, it comprises heat-conducting seat, a plurality of heat pipe and a plurality of radiator.Wherein an end face of this heat-conducting seat attaches contact LED lamp group, and respectively this heat pipe has heat absorbing end and release end of heat respectively, and this heat absorbing end is connected with the other end of heat-conducting seat; Respectively this radiator has the hollow barrel mast, and is formed with radial a plurality of fin in the outer peripheral edges of barrel mast, and it is socketed on the release end of heat of this heat pipe respectively.

The utility model utilizes the dispersion setting of each heat pipe and each radiator, the heat that LED lamp group running is produced by the multipoint mode of each heat pipe and each radiator lead, thermolysis distributes, can make LED lamp group can under suitable operating temperature, continue running, and can prolong its service life.

Description of drawings

Fig. 1 is the transverse sectional view of the radiator structure used of known LED light fixture;

Fig. 2 is the longitudinal sectional view of the radiator structure used of known LED light fixture;

Fig. 3 is the three-dimensional exploded view of the utility model first embodiment;

Fig. 4 is the combination schematic diagram of the utility model first embodiment;

Fig. 5 is the combination longitudinal sectional view of the utility model first embodiment;

Fig. 6 is the cutaway view along Fig. 5 center line 6-6;

Fig. 7 is the combination longitudinal sectional view of the utility model second embodiment;

Fig. 8 is the cutaway view along Fig. 7 center line 8-8;

Fig. 9 is heat pipe and the radiator assembled sectional view of the utility model the 3rd embodiment.

The primary clustering symbol description is as follows:

Heat-conducting seat 10

Plate body 11 flanges 12

Short slot 13 containing holes 14

Heat pipe 20

Heat absorbing end 21 release end of heat 22

Radiator 30

Barrel mast 31 fin 32

Scolder 33 support arms 34 that enter the mouth

LED light fixture 5,5 '

LED lamp group 50 lampshades 51

Power line 52

The specific embodiment

Relevant detailed description of the present utility model and technology contents, existing accompanying drawings is as follows, however accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.

See also Fig. 3 to shown in Figure 6, the multiple group type radiator structure that the utility model provides a kind of LED light fixture to use in order to provide LED lamp group 50 heat radiations, mainly comprises heat-conducting seat 10, a plurality of heat pipe 20 and a plurality of radiator 30, wherein:

This heat-conducting seat 10 can be made by aluminium, copper or other material with thermal conductive resin, and it has circular plate body 11.Above plate body 11, be extended with external profile diameter and be slightly less than the circular flange 12 of plate body 11 diameters, inwardly be provided with a plurality of symmetrical short slots 13 at the outer peripheral edges place of plate body 11 and flange 12 in addition, be provided with circular containing hole 14 in the center of flange 12.

This heat pipe 20 can be the kenel of I shape, L shaped, U-shaped or other various different geometries, and its outside has heat absorbing end 21 and release end of heat 22, and inside then is filled with capillary structure and working fluid.Present embodiment is made of an I shape heat pipe 20 and two U-shaped heat pipes 20.The heat absorbing end 21 of this I shape heat pipe 20 is plugged in the containing hole 14 of heat-conducting seat 10, and the heat absorbing end 21 of each U-shaped heat pipe 20 then attaches contact on flange 12 end faces of heat-conducting seat 10.

This radiator 30 can by aluminium etc. have well lead, heat sink material institute extrusion forming, it has hollow circular barrel mast 31, be formed with radial a plurality of fin 32 in the outer peripheral edges of barrel mast 31, and it is socketed on the release end of heat 22 of each heat pipe 20.Side at barrel mast 31 is provided with scolder inlet 33 in addition, and this scolder inlet 33 can be the open holes that is communicated with barrel mast 31 inside and outside portions, and the scolder of each radiator 30 inlet 33 is provided with (as shown in Figure 6) all in the same direction.Thus, in manufacturing process, be easy to scolders such as tin cream are fused between the inwall of the release end of heat 22 of heat pipe 20 and barrel mast 31.Moreover this scolder inlet 33 also can be vertical slotted eye (as shown in Figure 9) of being located at barrel mast 31 inwalls.So, not only can provide the elasticity folder effect of pulling of radiator 30 opposite heat tubes 20, more can promote the assembling easness of radiator 30 and heat pipe 20.

Radiator structure of the present utility model can be applicable on the LED light fixture 5, and this LED light fixture 5 comprises that LED lamp group 50, the lampshade 51 and two of cover cap in LED lamp group 50 tops are electrically connected on the power line 52 of LED lamp group 50.During combination, the bottom surface of LED lamp group 50 is amplexiformed on the bottom surface of heat-conducting seat 10, and two power lines 52 are passed from the short slot 13 of heat-conducting seat 10 respectively, again lampshade 51 is inserted in I shape heat pipe 20, and is fixedly connected on the plate body 11 of heat-conducting seat 10.Secondly, each radiator 30 can be socketed on the release end of heat 22 of heat pipe 20 successively, and insert the scolder (not shown), with the hot melting way of heating scolder be fused between the inwall of the release end of heat 22 of heat pipe 20 and barrel mast 31 again at the scolder inlet 33 of each radiator 30.So, can be combined into the LED light fixture.

During use, each power line 52 feeding electric current to LED light fixture 5 can make the lumination of light emitting diode of LED lamp group 50 and produce heat, by the conduction of heat of heat-conducting seat 10, conduct heat to the heat absorbing end 21 of each heat pipe 20.And the liquid of the working fluid by each heat pipe 20 inside, vapour phase changes, and the quick diversion of these heats is taken out of.Pass through the separation setting of each radiator 30 in addition, so that the heat that light emitting diode produced of LED lamp group 50 can be spread out and conducted, distributes by each heat pipe 20 and each radiator 30, thereby make LED lamp group 50 can under suitable operating temperature, continue running, and can prolong its service life.

See also Fig. 7 and shown in Figure 8, radiator 30 of the present utility model is except that the kenel that can be the foregoing description, it also can be extended with interconnective support arm 34 respectively between each radiator 30 so that each radiator 30 is combined into one, thereby increase LED light fixture 5 ' overall construction intensity.

Yet above-mentioned described accompanying drawing and explanation are preferred embodiment of the present utility model only, and the utility model is not limited to the foregoing description.It should be appreciated by those skilled in the art that other equivalence of being carried out according to feature category of the present utility model changes or modification, all should be encompassed in the following scope of the present utility model.

Claims

1. the multiple group type radiator structure that the LED light fixture is used in order to LED lamp group (50) heat radiation to be provided, is characterized in that, comprising:

Heat-conducting seat (10), one end attach contact LED lamp group (50);

A plurality of heat pipes (20), described heat pipe (20) have heat absorbing end (21) and release end of heat (22), and described heat absorbing end (21) is connected with the other end of described heat-conducting seat (10); And

A plurality of radiators (30), described radiator (30) has hollow barrel mast (31), and is formed with radial a plurality of fin (32) in the outer peripheral edges of barrel mast (31), and it is socketed on the release end of heat (22) of each described heat pipe (20).

2. the multiple group type radiator structure that LED light fixture as claimed in claim 1 is used, wherein said heat-conducting seat (10) has plate body (11), be extended with the flange (12) of external profile diameter less than plate body (11) diameter in the top of plate body (11), described in addition LED light fixture (5) has lampshade (51), and an end of described lampshade (51) is socketed in flange (12) periphery.

3. the multiple group type radiator structure that LED light fixture as claimed in claim 2 is used, the plate body (11) of wherein said heat-conducting seat (10) is provided with a plurality of short slot (13) with the outer peripheral edges place of flange (12), described LED light fixture (5) has two power lines (52) in addition, and each power line (52) passes lampshade (51) outside from described short slot (13).

4. the multiple group type radiator structure that LED light fixture as claimed in claim 2 is used, the center of wherein said flange (12) is provided with containing hole (14), the fixedly connected heat pipe of described containing hole (14) (20).

5. the multiple group type radiator structure that LED light fixture as claimed in claim 1 is used, wherein said heat pipe (20) are any of I shape, L shaped or U-shaped.

6. the multiple group type radiator structure that LED light fixture as claimed in claim 1 is used, wherein the barrel mast (31) of each described radiator (30) is provided with scolder inlet (33).

7. the multiple group type radiator structure that LED light fixture as claimed in claim 6 is used, wherein said scolder inlet (33) is for being communicated with the open holes of the inside and outside portion of barrel mast (31).

8. the multiple group type radiator structure that LED light fixture as claimed in claim 6 is used, wherein said scolder inlet (33) is for being located at vertical slotted eye of barrel mast (31) inwall.

9. the multiple group type radiator structure that LED light fixture as claimed in claim 6 is used, wherein the scolder of each described radiator (30) inlet (33) is provided with all in the same direction.

10. the multiple group type radiator structure that LED light fixture as claimed in claim 1 is used wherein is extended with interconnective support arm (34) respectively between each described radiator (30), and described support arm (34) is combined into one each radiator (30).