CN202834902U

CN202834902U - Novel high-power light-emitting diode (LED) lamp

Info

Publication number: CN202834902U
Application number: CN201220475287XU
Authority: CN
Inventors: 吴新备; 贾金良
Original assignee: ZHONGSHAN JIUNENG PHOTOELECTRIC TECHNOLOGY CO LTD
Current assignee: Special heat transfer technology (Zhongshan) Co., Ltd.
Priority date: 2012-09-18
Filing date: 2012-09-18
Publication date: 2013-03-27
Anticipated expiration: 2022-09-18

Abstract

The utility model relates to a novel high-power light-emitting diode (LED) lamp which comprises a plurality of a heat radiator body formed by a plurality of heat dissipating fins which are arrayed. A heat transfer substrate is arranged on the upper surface of the heat radiator. An LED light source is arranged on the upper surface of the heat transfer substrate. The high-power LED lamp further comprises a heat guide pipe capable of transferring heat generated from the LED lamp to each heat dissipating fin. The novel high-power LED lamp is capable of overcoming the disadvantage in the prior art, being simple in structure, and good in heat dissipating effect.

Description

The novel large-power LED illuminating lamp

[technical field]

The utility model relates to a kind of high-power LED illuminating lamp.

[background technology]

In recent years, high-power LED lighting fixture particularly adopts the integrated super-high-power LED light source of single COB as lighting and the lighting module of luminaire, obtains the approval of society and increasingly extensive application with the advantage of the aspects such as its efficient energy-saving, environmental protection, safety and reliability height, long service life.But, because the LED luminaire can produce a large amount of heats in electrified light emitting, as can not timely and effectively dispelling the heat, will affect stability and the service life of LED luminaire.Therefore, the quality of cooling system design will be related to luminous efficiency, luminous intensity distribution quality and the service life of high-power LED lighting fixture integral body.

The utility model is exactly to make in view of the situation.

[utility model content]

The utility model has overcome the deficiencies in the prior art, and a kind of novel large-power LED illuminating lamp of simple in structure, good heat dissipation effect is provided.

The utility model is for solving the problems of the technologies described above, by the following technical solutions:

The novel large-power LED illuminating lamp, it is characterized in that comprising the radiator that is rearranged by a plurality of radiating fins, upper surface at described radiator is provided with heat transfer substrate, be provided with led light source at the heat transfer substrate upper surface, include in addition the heat that the LED lamp is sent and be delivered to heat pipe in each radiating fin.

Aforesaid novel large-power LED illuminating lamp is characterized in that described radiator is comprised of that be stacked layer by layer, separate radiating fin, is provided with the interval that can maintain the circulation of air between two adjacent radiating fins.

Aforesaid novel large-power LED illuminating lamp is characterized in that being provided with a plurality of convection holes and a plurality of through hole that allows heat pipe run through at described radiating fin.

Aforesaid novel large-power LED illuminating lamp, it is characterized in that described through hole includes the first through hole and the second through hole, described the first through hole comprises by the semi-circular groove that is arranged on the radiating fin top middle portion strip semi-circular groove corresponding with semi-circular groove with being arranged on the heat transfer substrate lower end and forming.

Aforesaid novel large-power LED illuminating lamp, it is characterized in that upper side edge, lower side at radiating fin are respectively equipped with tabs, lower tabs, the corresponding buckle that is provided with in the outer end of upper and lower tabs is provided with the button hole that the buckle of adjacent radiating fin can snap in the inner end of upper and lower tabs.

Aforesaid novel large-power LED illuminating lamp is characterized in that the edge of described semi-circular groove and the second through hole is provided with arc convex, is provided with tabs at the left and right side of described convection holes.

Aforesaid novel large-power LED illuminating lamp is characterized in that the outside of described lower tabs and the junction circular arc transition of radiating fin.

Aforesaid novel large-power LED illuminating lamp, it is characterized in that described heat pipe is U-shaped heat pipe, described heat pipe is 2, one end of described two heat pipes is connected with radiator with heat transfer substrate by the first through hole and is connected, the other end extend into the inside of radiator by the second through hole, and described two heat pipes form the V font.

Aforesaid novel large-power LED illuminating lamp is characterized in that the width of described radiating fin is greater than the width of substrate.

Aforesaid novel large-power LED illuminating lamp is characterized in that being provided with the power interface that power line is passed through at described substrate, and position corresponding with power interface on radiator is provided with power channel.

The utility model compared with prior art has following advantage:

The utility model is provided with the semi-circular hole of strip at heat sink, be provided with manhole with arc convex in the radiating fin top middle portion, the strip semi-circular hole that is arranged on the heat sink cooperates the rear manhole that forms with the manhole at radiating fin top, heat pipe places the manhole with arc convex, so that heat pipe one side and substrate contacts, another side has good contacting with radiating fin, LED lamp source places on the substrate corresponding with heat pipe, when there is heat generation in LED lamp source, can directly heat be delivered to heat pipe by substrate, because heat pipe contacts with radiating fin on one side, another side contacts with heat sink, directly by heat pipe heat is delivered on the radiating fin rapidly after heat arrives substrate, is dissipated in the air in the mode of convection current, radiating efficiency is high.

The width of substrate can strengthen the convection current of air less than the width of radiating fin, and is provided with the arc lead angle at radiating fin, can strengthen the structural of radiator.

Be provided with a plurality of convection holes for circulations of air on the radiating fin, be provided with flanging on the left and right both sides of convection holes, when having kept maximum area of dissipation, formed again multichannel cross-ventilation, further binded radiating effect strong.

[description of drawings]

Fig. 1 is the utility model stereogram;

Fig. 2 be among Fig. 1 C to view;

Fig. 3 is the utility model radiating fin stereogram;

Fig. 4 is the utility model top view;

Fig. 5 is that the utility model heat transfer substrate cooperates schematic diagram with radiator;

Fig. 6 is the utility model heat transfer substrate stereogram;

Fig. 7 is the utility model embodiment schematic diagram.

[specific embodiment]

Below in conjunction with accompanying drawing the utility model is elaborated:

The novel large-power LED illuminating lamp, comprise the radiator 2 that is rearranged by a plurality of radiating fins 1, upper surface at described radiator 2 is provided with heat transfer substrate 3, be provided with led light source 4 at heat transfer substrate 3 upper surfaces, include in addition the heat that LED lamp 4 is sent and be delivered to heat pipe 5 in each radiating fin 1.Led light source 4 is arranged on heat transfer substrate 3 centers corresponding with heat pipe 5, when it produces heat, can directly heat be conducted, and has improved radiating efficiency.

Described radiator 2 is comprised of that be stacked layer by layer, separate radiating fin 1, is provided with the interval 7 that can maintain the circulation of air between two adjacent radiating fins 1.

Be provided with a plurality of convection holes 11 and a plurality of through hole 8 that allows heat pipe 5 run through at described radiating fin 1.

Described through hole 8 include the first through hole 81 and the second through hole 82 described the first through holes 81 comprise by the semi-circular groove 811 that is arranged on radiating fin 1 top middle portion be arranged on heat transfer substrate 3 lower ends and semi-circular groove 811 corresponding strip semi-circular groove 31 and form.

Upper side edge 101, lower side 102 at radiating fin 1 are respectively equipped with tabs 14, lower tabs 15, the corresponding buckle 100 that is provided with in the outer end of upper tabs 14, lower tabs 15 is provided with the button hole 103 that the buckle 100 of adjacent radiating fin 1 can snap in the inner end of upper tabs 14, lower tabs 15.Upper tabs 101, lower tabs 102 not only can be fixed the distance of adjacent radiating fin 1, keep the circulation of air, and can increase the area of dissipation of radiating fin 1, make radiating efficiency higher.

The edge of described semi-circular groove 811 and the second through hole 82 is provided with arc convex 121, is provided with tabs 112 at described convection holes 11 left and right sides.Described arc convex 121 and tabs 112 form by punching press, arc convex 121 and tabs 112 can increase the support force of radiating fin 1, when heat pipe 5 passes the first through hole 81 and the second through hole 82, can increase the contact area of heat pipe 5 and the first through hole 81, the second through hole 82, also be convenient to scolding tin and fix.

The outside of described lower tabs 15 is provided with the junction arc transition with radiating fin 1, and the inboard of described lower tabs 15 links to each other with the outside of the first through hole 81.The inboard of lower tabs 102 links to each other with the outside of semi-circular groove 811, can strengthen the structural of radiating fin 1 equally, and heat is distributed quickly.

Described heat pipe 5 is U-shaped heat pipe, described heat pipe 5 is 2, one end of described two heat pipes 5 is connected with radiator by the first through hole 81 and heat transfer substrate 3 and closely is connected, and the other end extend into the inside of radiator 2, described two heat pipes, 5 formation V fonts by the second through hole 82.Because heat pipe 5 places in the first through hole 81, be close to heat transfer substrate 3 and radiator 2, heat can be directly delivered on the radiating fin 1, be dissipated in the air in the mode of convection current.And an end of two heat pipes 5 is arranged in the first through hole 81, and the other end is arranged in the second through hole 82, forms the V font, and heat can be fallen apart to radiating fin 1 fast, has accelerated radiating rate.When the bottom that described heat pipe 5 can form two or more V fonts and heat pipe 5 during for many be close to continuous, the parallel medium position that concentrates on substrate 3.

The width A of described radiating fin 1 is greater than the width B of substrate 3.Because the width of substrate 3 can strengthen cross-ventilation less than the width of radiating fin 1.

Be provided with the power interface 32 that power line is passed through at described substrate 3, position corresponding with power interface 31 on radiator 2 is provided with power channel 6.

As shown in Figure 7, be the application of the utility model on street lamp, the utility model is simple in structure, and can modularization production, and is applied widely, also can be applicable to the place that Tunnel Lamp, Projecting Lamp, wall lamp, flat lamp etc. need the high-powered LED lamp illumination.

Claims

1. novel large-power LED illuminating lamp, it is characterized in that comprising the radiator (2) that is rearranged by a plurality of radiating fins (1), upper surface at described radiator (2) is provided with heat transfer substrate (3), be provided with led light source (4) at heat transfer substrate (3) upper surface, include in addition the heat that LED lamp (4) is sent and be delivered to heat pipe (5) in each radiating fin (1).

2. novel large-power LED illuminating lamp according to claim 1, it is characterized in that described radiator (2) is comprised of that be stacked layer by layer, separate radiating fin (1), be provided with the interval (7) that can maintain the circulation of air between adjacent two radiating fins (1).

3. novel large-power LED illuminating lamp according to claim 1 is characterized in that being provided with a plurality of convection holes (11) and a plurality of through hole (8) that allows heat pipe (5) run through at described radiating fin (1).

4. novel large-power LED illuminating lamp according to claim 3, it is characterized in that described through hole (8) includes the first through hole (81) and the second through hole (82), described the first through hole (81) comprises by the semi-circular groove (811) that is arranged on radiating fin (1) the top middle portion strip semi-circular groove (31) corresponding with semi-circular groove (811) with being arranged on heat transfer substrate (3) lower end and forming.

5. novel large-power LED illuminating lamp according to claim 2, it is characterized in that upper side edge (101), lower side (102) in radiating fin (1) are respectively equipped with upper tabs (14), lower tabs (15), the corresponding buckle (100) that is provided with in the outer end of upper and lower tabs (14,15) is provided with the button hole (103) that the buckle (100) of adjacent radiating fin (1) can snap in the inner end of upper and lower tabs (14,15).

6. according to claim 3 or 4 described novel large-power LED illuminating lamps, the edge that it is characterized in that described semi-circular groove (811) and the second through hole (82) is provided with arc convex (121), is provided with tabs (112) at the left and right side of described convection holes (11).

7. novel large-power LED illuminating lamp according to claim 5 is characterized in that the outside of described lower tabs (15) and the junction circular arc transition of radiating fin (1).

8. novel large-power LED illuminating lamp according to claim 3, it is characterized in that described heat pipe (5) is U-shaped heat pipe, described heat pipe (5) is 2, one end of described two heat pipes (5) is connected 2 with heat transfer substrate (3) with radiator by the first through hole (81)) closely be connected, the other end extend into the inside of radiator (2) by the second through hole (82), and described two heat pipes (5) form the V font.

9. novel large-power LED illuminating lamp according to claim 1 is characterized in that the width (A) of described radiating fin (1) is greater than the width (B) of substrate (3).

10. novel large-power LED illuminating lamp according to claim 1, it is characterized in that being provided with the power interface (31) that power line is passed through at described substrate (3), be provided with power channel (6) in the upper position corresponding with power interface (32) of radiator (2).