CN209840035U - LED drive heat radiation structure - Google Patents
LED drive heat radiation structure Download PDFInfo
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- CN209840035U CN209840035U CN201920850134.0U CN201920850134U CN209840035U CN 209840035 U CN209840035 U CN 209840035U CN 201920850134 U CN201920850134 U CN 201920850134U CN 209840035 U CN209840035 U CN 209840035U
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- heat
- light source
- conducting piece
- cob light
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Abstract
The utility model discloses a LED driving heat dissipation structure, which comprises a radiator, a COB light source, a COB bracket, a driving device and a heat conducting piece; the radiator is provided with a mounting cavity penetrating through two ends of the radiator, and a mounting plate is formed in the mounting cavity; the COB support presses the COB light source to be matched with one surface of the mounting plate; the heat conducting piece is coated on the surface of the driving device and matched with the other surface of the mounting plate, and the periphery of the heat conducting piece is attached to the inner wall of the mounting cavity; the COB light source is electrically connected with the driving device; the heat conducting member is made of curable heat conducting glue. After the structure of the oil-gas separator is adopted, the utility model discloses a set up the installation that heat-conducting piece realized drive arrangement in the radiator, the heat that drive arrangement produced directly conducts to the radiator through heat-conducting piece and realizes dispelling the heat to the heat that the COB light source produced also can dispel the heat through the radiator, thereby improves the life of drive arrangement and COB light source greatly.
Description
Technical Field
The utility model relates to the field of lighting fixtures, especially indicate a LED drive heat radiation structure.
Background
LEDs are characteristic sensitive semiconductor devices and have negative temperature characteristics, so they need to be stable and protected during application, resulting in a driving concept. The requirements of the LED device on a driving power supply are nearly strict, and the LED can be directly connected with 220V alternating current commercial power unlike a common incandescent bulb.
The existing LED drive generally installs the drive on a radiator through a plastic box, and due to the gap of the plastic box, the heat generated by the drive cannot be directly LED out through the radiator and can only be conducted to the radiator through air for heat dissipation, so that the heat dissipation rate is low, the temperature is high during the drive operation, the service lives of the drive and the lamp are short, and the maximum power of the lamp is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a LED drive heat radiation structure improves LED driven radiating efficiency to the life of extension LED drive and light source.
In order to achieve the above purpose, the solution of the present invention is:
an LED driving heat dissipation structure comprises a heat radiator, a COB light source, a COB bracket, a driving device and a heat conducting piece; the radiator is provided with a mounting cavity penetrating through two ends of the radiator, and a mounting plate is formed in the mounting cavity; the COB support presses the COB light source to be matched with one surface of the mounting plate; the heat conducting piece is coated on the surface of the driving device and matched with the other surface of the mounting plate, and the periphery of the heat conducting piece is attached to the inner wall of the mounting cavity; the COB light source is electrically connected with the driving device; the heat conducting member is made of curable heat conducting glue.
A limiting structure for preventing the heat conducting piece from rotating is arranged between the heat conducting piece and the inner wall of the mounting cavity.
A limiting guide rail is formed on the inner wall of the mounting cavity, and the extending direction of the limiting guide rail is arranged along the axial direction of the mounting cavity; a limiting groove is formed on the surface of the heat conducting piece, and the extending direction of the limiting groove is arranged along the axial direction of the heat conducting piece; the limiting guide rail is in sliding fit in the limiting groove.
The mounting plate is perpendicular to the axial direction of the mounting cavity.
The electric wire of COB light source wears to locate mounting panel and heat-conducting piece and electric connection in drive arrangement in proper order.
The position that the COB support corresponds the COB light source is formed with the non-light tight through-hole of confession COB light source.
After the structure of the oil-gas separator is adopted, the utility model discloses a set up the installation that heat-conducting piece realized drive arrangement in the radiator, the heat that drive arrangement produced directly conducts to the radiator through heat-conducting piece and realizes dispelling the heat to the heat that the COB light source produced also can dispel the heat through the radiator, thereby improves the life of drive arrangement and COB light source greatly.
In addition, compared with a driving device mounting structure for transmission, the driving device can be made larger in size in a radiator with the same diameter by mounting the driving device through the heat conducting piece, so that larger power can be realized; the size of the driving device can be made smaller under the condition of the same power, so that the cost is saved, and the service life of the lamp is longer.
Drawings
FIG. 1 is an exploded view of an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the present invention.
The reference numbers illustrate: a heat sink 1; a mounting cavity 11; a mounting plate 12; a limit guide rail 13; a COB light source 2; a COB holder 3; a through hole 31; a drive device 4; a heat conductive member 5; a stopper groove 51.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
Referring to fig. 1 and 2, the present invention relates to a heat dissipation structure for driving LED, including a heat sink 1, a COB light source 2, a COB support 3, a driving device 4 and a heat conducting member 5.
The radiator 1 is provided with a mounting cavity 11, and the mounting cavity 11 penetrates through two ends of the radiator 1; a mounting plate 12 is formed in the mounting cavity 11, and the mounting plate 12 divides the mounting cavity 11 into two parts; the mounting plate 12 is perpendicular to the axial direction of the mounting cavity 11. The COB support 3 presses the COB light source 2 to be matched with one surface of the mounting plate 12, so that the COB light source 2 is fixed on the mounting plate 12. The heat conducting member 5 is coated on the surface of the driving device 4 and is fitted to the other surface of the mounting plate 12, and the periphery of the heat conducting member 5 is attached to the inner wall of the mounting cavity 11. The COB light source 2 is electrically connected with the driving device 4; the electric wire of the COB light source 2 sequentially penetrates through the mounting plate 12 and the heat conducting piece 5 and is electrically connected to the driving device 4.
The coating has heat conduction silicone grease between above-mentioned COB light source 2 and mounting panel 12 to increase COB light source 2 and radiator 1's area of contact, and improve the heat conduction effect, realize COB light source 2's heat dissipation.
The heat-conducting member 5 is made of curable heat-conducting paste. In the installation the utility model discloses the time, can put into the installation cavity 11 of 1 front end of radiator with COB light source 2 and COB support 3 earlier and fix on mounting panel 12 to coating heat conduction silicone grease on COB light source 2, and passing mounting panel 12 with the electric wire of COB light source 2 and leading to the installation cavity 11 of 1 rear end of radiator. Then, the driving device 4 is placed in the mounting cavity 11 at the rear end of the heat sink 1, and the curable heat-conducting glue is poured into the mounting cavity 11 at the rear end of the heat sink 1, so that the curable heat-conducting glue completely covers the driving device 4, and the curable heat-conducting glue is completely contacted with the inner wall of the mounting cavity 11 and the mounting plate 12. And finally, the COB light source 2 and the driving device 4 are connected in a wiring mode, and the whole structure is installed.
The position that above-mentioned COB support 3 corresponds COB light source 2 is formed with the through-hole 31 that the size is less than COB light source 2 to realize non-light tight effect.
A limit structure for preventing the heat conducting member 5 from rotating is arranged between the heat conducting member 5 and the inner wall of the mounting cavity 11. In this embodiment, a limiting guide rail 13 is formed on the inner wall of the mounting cavity 11, and the extending direction of the limiting guide rail 13 is arranged along the axial direction of the mounting cavity 11; the surface of the heat conducting member 5 is formed with a limiting groove 51, the extending direction of the limiting groove 51 is arranged along the axial direction of the heat conducting member 5, and the limiting guide rail 13 is in sliding fit in the limiting groove 51.
Through the structure, the utility model discloses a set up the installation that heat-conducting piece 5 realized drive arrangement 4 in radiator 1, the heat that drive arrangement 4 produced directly conducts to radiator 1 through heat-conducting piece 5 and realizes the heat dissipation to the heat that COB light source 2 produced also can dispel the heat through heat-conducting piece radiator 1, thereby improves drive arrangement 4 and COB light source 2's life greatly.
In addition, compared with the installation structure of the driving device 4 for transmission, the driving device 4 can be made larger in size to realize larger power in the heat sink 1 with the same diameter by installing the driving device 4 through the heat conducting piece 5; the size of the driving device 4 can be made smaller at the same power to achieve cost savings and longer life of the lamp.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (7)
1. The utility model provides a LED drive heat radiation structure which characterized in that: the COB light source comprises a radiator, a COB light source, a COB bracket, a driving device and a heat conducting piece; the radiator is provided with a mounting cavity penetrating through two ends of the radiator, and a mounting plate is formed in the mounting cavity; the COB support presses the COB light source to be matched with one surface of the mounting plate; the heat conducting piece is coated on the surface of the driving device and matched with the other surface of the mounting plate, and the periphery of the heat conducting piece is attached to the inner wall of the mounting cavity; the COB light source is electrically connected with the driving device; the heat conducting member is made of curable heat conducting glue.
2. The LED driving heat dissipation structure of claim 1, wherein: a limiting structure for preventing the heat conducting piece from rotating is arranged between the heat conducting piece and the inner wall of the mounting cavity.
3. The LED driving heat dissipation structure of claim 2, wherein: a limiting guide rail is formed on the inner wall of the mounting cavity, and the extending direction of the limiting guide rail is arranged along the axial direction of the mounting cavity; a limiting groove is formed on the surface of the heat conducting piece, and the extending direction of the limiting groove is arranged along the axial direction of the heat conducting piece; the limiting guide rail is in sliding fit in the limiting groove.
4. The LED driving heat dissipation structure of claim 1, wherein: the mounting plate is perpendicular to the axial direction of the mounting cavity.
5. The LED driving heat dissipation structure of claim 1, wherein: the electric wire of COB light source wears to locate mounting panel and heat-conducting piece and electric connection in drive arrangement in proper order.
6. The LED driving heat dissipation structure of claim 1, wherein: the position that the COB support corresponds the COB light source is formed with the non-light tight through-hole of confession COB light source.
7. The LED driving heat dissipation structure of claim 1, wherein: and heat-conducting silicone grease is coated between the COB light source and the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920850134.0U CN209840035U (en) | 2019-06-06 | 2019-06-06 | LED drive heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920850134.0U CN209840035U (en) | 2019-06-06 | 2019-06-06 | LED drive heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209840035U true CN209840035U (en) | 2019-12-24 |
Family
ID=68898663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920850134.0U Active CN209840035U (en) | 2019-06-06 | 2019-06-06 | LED drive heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209840035U (en) |
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2019
- 2019-06-06 CN CN201920850134.0U patent/CN209840035U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 363000 Tailong Industrial Park, jiaomei Wenpu Industrial Park, Zhangzhou City, Fujian Province Patentee after: Tailong Electronics Co.,Ltd. Address before: 363000 Tailong Industrial Park, jiaomei Wenpu Industrial Park, Zhangzhou City, Fujian Province Patentee before: TECNON (FUJIAN) COMMERCIAL LIGHTING Co.,Ltd. |