CN202352730U - Radiating structure for large-power LED (Light-emitting Diode) - Google Patents
Radiating structure for large-power LED (Light-emitting Diode) Download PDFInfo
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- CN202352730U CN202352730U CN 201120440248 CN201120440248U CN202352730U CN 202352730 U CN202352730 U CN 202352730U CN 201120440248 CN201120440248 CN 201120440248 CN 201120440248 U CN201120440248 U CN 201120440248U CN 202352730 U CN202352730 U CN 202352730U
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- heating column
- heat conducting
- heat conduction
- radiator structure
- conduction plate
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Abstract
The utility model relates to the technical field of the radiator, in particular a radiating structure for a large-power LED. The radiating structure comprises a PCB (Printed Circuit Board), a heat conducting plate piece and a radiating plate piece, wherein a positioning hole is arranged on the PCB; the positioning hole gets through the two sides of the PCB; a copper plate layer is arranged on one side surface of the PCB; an electrode welding pin is arranged on the other side surface of the PCB; a heat conducting column is arranged on one side surface of the heat conducting plate piece; the shape and size of the heat conducting column are matched with those of the positioning hole; the height of the heat conducting column is equal to the sum of the thickness of the PCB and the thickness of the electrode welding pin; the heat conducting column is arranged in the positioning hole in a matched manner; the heat conducting plate piece is welded and connected with the copper plate layer on the side surface with the heat conducting column; the upper end surface of the heat conducting column and the upper surface of the electrode welding pin are arranged in a same plane; and the radiating plate piece is adhered on the other side surface of the heat conducting plate piece. The radiating structure has a simple and compact structure, and good heat conducting and radiating effects.
Description
Technical field
The utility model relates to the heat abstractor technical field, particularly a kind of radiator structure of great power LED.
Background technology
LED is long with its theoretical life-span, energy consumption is low and characteristics such as environmental protection and be widely used in every field such as indication, indoor and outdoor lighting.As everyone knows, the factor that influences the most critical in LED useful life is exactly the heat dissipation problem of LED, and great power LED is especially true.The radiator structure of existing great power LED is mainly by heat sink; Parts such as aluminium base, heat-conducting silicone grease, radiating panel connect and compose successively; LED is connected with aluminium base through heat sink; This radiator structure exists defective and deficiencies such as heat conduction and heat radiation poor performance, thereby has influenced application and the range of application of LED greatly, and the main cause of its heat conduction and heat radiation poor performance is the structure setting of aluminium base.Aluminium base is generally by protection oil reservoir, copper foil layer; Insulating barrier and aluminum layer are formed by stacking successively; Wherein, though insulating barrier plays good and effective positive role aspect insulation, also produced heat insulation counter productive simultaneously; The heat that LED produced can't in time be derived rapidly, thereby has greatly influenced the useful life of LED.So be necessary existing LED radiator structure is carried out technological innovation, solve the heat dissipation problem of LED most effectively.
The utility model content
The purpose of the utility model is defective and the deficiency to prior art, and a kind of radiator structure of great power LED of simple and compact for structure, good heat dissipation effect is provided.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
The radiator structure of the described a kind of great power LED of the utility model comprises pcb board, heat conduction plate and radiating panel; Said pcb board is provided with location hole; Location hole connects the pcb board both sides, and said pcb board one side is provided with the copper coin layer, and the pcb board another side is provided with the electrode leg; Said heat conduction plate one side is provided with heating column; The shape size of said heating column is complementary with the shape size of location hole; The height of said heating column equals the copper coin layer; Pcb board and electrode leg three's thickness sum, said heating column cooperate to be located in the location hole, and side and copper coin layer that the heat conduction plate is provided with heating column are welded to connect; The upper surface of the upper surface of said heating column and electrode leg is in the same plane; Said radiating panel is attached on the another side of heat conduction plate.
Further, said radiating panel is provided with some fin.
Wherein, said heating column and the heat conduction plate setting that is formed in one.Certain said heating column and heat conduction plate also can be the split welding and fixedly install.
Further, the rounded setting of the cross section of said heating column; Said location hole inwall is provided with internal thread, and the sidewall of said heating column is provided with external screw thread, and said heating column is threaded with location hole.The cross section of said heating column can also be made as ellipse, triangle or regular hexagon setting.
After adopting said structure; The utility model beneficial effect is: the LED base bottom surface is attached on the electrode leg and heating column of the utility model; Because of the upper end surface of the upper surface of the said electrode leg of the utility model and heating column in same plane; Do not influencing under LED base bottom surface and the situation that the electrode leg is electrically connected; The LED base bottom surface can realize fully contacting with the upper surface of heating column and be welded to connect, and effectively increases the contact area of the upper surface of LED base bottom surface thermal conduction portions and heating column, is provided with like this; The described radiator structure of the utility model can be derived heat that LED produces rapidly through heating column and heat conduction plate, and its heat conduction and heat radiation function strengthens greatly.
Description of drawings
Fig. 1 is the whole sectional structure sketch map of the utility model;
Fig. 2 is the utility model decomposition texture sketch map.
Among the figure:
1, LED; 2, pedestal; 3, electrode leg; 4, pcb board;
5, copper coin layer; 6, heat conduction plate; 7, location hole; 8, heating column;
9, radiating panel; 10, fin.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Like Fig. 1, shown in Figure 2, the radiator structure of the described a kind of great power LED of the utility model comprises pcb board 4, and heat conduction plate 6 and radiating panel 9 also are pcb board 4, and heat conduction plate 6 and radiating panel 9 constitute the utility model main element.Wherein, said heat conduction plate 6 is by material such as red copper and aluminium, and said radiating panel 9 is made by aluminium or copper product, and said heating column 8 is by the red copper material.The all concrete good heat conduction and heat radiation function of red copper and aluminum, said heat conduction plate 6 of the utility model and radiating panel 9 adopt red copper and aluminum to make, and help realizing the purpose of the utility model.Certainly, the said structure main body also can adopt other metal material with good heat conductive heat dispersion to make.
Wherein, said pcb board 4 is provided with location hole 7, and location hole 7 connects pcb board 4 both sides, and said pcb board 4 one sides are provided with copper coin layer 5, are used to weld fixedly heat conduction plate 6; Pcb board 4 another sides are provided with electrode leg 3, the electrode part on being used to connect at the bottom of 2 of the pedestals of LED1.
Said heat conduction plate 6 one sides are provided with heating column 8, and settings that can be formed in one of said heating column 8 and heat conduction plate 6 also can be welded for split and fixedly installed.The radiating panel 9 that has been sticked on the another side of said heat conduction plate 6 is so that in time shed the heat of heat conduction plate 6.Said radiating panel 9 is provided with some fin 10, to increase the area of dissipation of radiating panel 9, further strengthens the radiating effect of radiating panel 9.
The shape size of said heating column 8 is complementary with the shape size of location hole 7; Particularly; The cross section of heating column 8 is rounded, oval, triangle or regular hexagon setting, and when the cross section of heating column 8 is rounded when being provided with, said location hole 7 inwalls are provided with internal thread; The sidewall of said heating column 8 is provided with external screw thread, and said heating column 8 is threaded with location hole 7.Heating column 8 is threaded with location hole 7, can make the structure tightness of the utility model, improves the heat conduction and heat radiation function indirectly.
The height of said heating column 8 equals copper coin layer 5, pcb board 4 and electrode leg 3 threes' thickness sum, and said heating column 8 cooperates to be located in the location hole 7.The side that is provided with heating column 8 when heat conduction plate 6 through heating column 8 and location hole 7 be connected with copper coin layer 5 fit tightly and weld fixing after; The upper surface of the upper surface of said heating column 8 and electrode leg 3 is in the same plane; So be provided with; Pedestal 2 bottom surfaces can be simultaneously carried out abundant card with the upper surface of the upper surface of heating column 8 and electrode leg 3 and are closed, when promptly the electrode of pedestal 2 bottom surfaces part fully contacts welding with electrode leg 3, also can realize pedestal 2 bottom surface thermal conduction portions and plume 8 the upper surface fully contact welding; Increase the contact area of the upper surface of pedestal 2 bottom surface thermal conduction portions and heating column 8 as far as possible; To guarantee that heat that LED1 is produced can be in time rapidly via heating column 8, heat conduction plate 6 conducts to radiating panel 9, and sheds through radiating panel 9.
The described radiator structure of the utility model can be derived heat that LED produces rapidly, and its heat conduction and heat radiation effect strengthens than prior art greatly.
Table one, the temperature data test chart of existing radiator structure (old) and the said radiator structure of the utility model (newly)
Can find out from last table; To adopting the great power LED of new radiator structure and old radiator structure respectively; All pass to identical electric current; And under new radiator structure ambient temperature condition with higher; New radiator structure heating column temperature is starkly lower than old radiator structure heat sink temperature, and the temperature of the heat conduction plate of new radiator structure and radiating panel is apparently higher than the temperature of the aluminium base and the radiating panel of old radiator structure, and this has proved absolutely the better effects if of the radiating effect of new radiator structure than the radiator structure of old radiator structure.
The above only is the preferred embodiments of the utility model, so all equivalences of doing according to the described structure of the utility model patent claim, characteristic and principle change or modify, includes in the utility model patent claim.
Claims (6)
1. the radiator structure of a great power LED; It is characterized in that: comprise pcb board (4); Heat conduction plate (6) and radiating panel (9), said pcb board (4) is provided with location hole (7), and location hole (7) passes through pcb board (4) both sides; Said pcb board (4) one sides are provided with copper coin layer (5), and pcb board (4) another side is provided with electrode leg (3); Said heat conduction plate (6) one sides are provided with heating column (8); The shape size of said heating column (8) is complementary with the shape size of location hole (7); The height of said heating column (8) equals copper coin layer (5); Pcb board (4) and electrode leg (3) three's thickness sum, said heating column (8) cooperate to be located in the location hole (7), and side and copper coin layer (5) that heat conduction plate (6) is provided with heating column (8) are welded to connect; The upper surface of the upper surface of said heating column (8) and electrode leg (3) is in the same plane; Said radiating panel (9) is attached on the another side of heat conduction plate (6).
2. the radiator structure of great power LED according to claim 1, it is characterized in that: said radiating panel (9) is provided with some fin (10).
3. the radiator structure of great power LED according to claim 2 is characterized in that: the setting that is formed in one of said heating column (8) and heat conduction plate (6).
4. the radiator structure of great power LED according to claim 2 is characterized in that: said heating column (8) welds for split with heat conduction plate (6) and fixedly installs.
5. according to the radiator structure of claim 3 or 4 described great power LEDs, it is characterized in that: the rounded setting of cross section of said heating column (8); Said location hole (7) inwall is provided with internal thread, and the sidewall of said heating column (8) is provided with external screw thread, and said heating column (8) is threaded with location hole (7).
6. according to the radiator structure of claim 3 or 4 described great power LEDs, it is characterized in that: the cross section ovalize of said heating column (8), triangle or regular hexagon setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120440248 CN202352730U (en) | 2011-11-09 | 2011-11-09 | Radiating structure for large-power LED (Light-emitting Diode) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120440248 CN202352730U (en) | 2011-11-09 | 2011-11-09 | Radiating structure for large-power LED (Light-emitting Diode) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202352730U true CN202352730U (en) | 2012-07-25 |
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ID=46541703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120440248 Expired - Fee Related CN202352730U (en) | 2011-11-09 | 2011-11-09 | Radiating structure for large-power LED (Light-emitting Diode) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202352730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403444A (en) * | 2011-11-09 | 2012-04-04 | 东莞勤上光电股份有限公司 | Radiating structure of high-power LED |
-
2011
- 2011-11-09 CN CN 201120440248 patent/CN202352730U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403444A (en) * | 2011-11-09 | 2012-04-04 | 东莞勤上光电股份有限公司 | Radiating structure of high-power LED |
| WO2013067841A1 (en) * | 2011-11-09 | 2013-05-16 | 东莞勤上光电股份有限公司 | Heat sink structure for high-power led |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20151109 |
|
| EXPY | Termination of patent right or utility model |