CN208886728U - A LED high-power COB light source heat sink structure - Google Patents

Abstract

The utility model discloses a high-power COB light source radiator structure of LED, including the heat dissipation chassis, the middle part fixed mounting of heat dissipation chassis upper surface has the plum blossom fin, the last fixed surface on heat dissipation chassis installs evenly distributed's first blade, and alternate between two adjacent first blades and be provided with the second blade, the top fixed mounting on heat dissipation chassis has evenly distributed's third blade, and alternate between evenly distributed's the third blade and be provided with evenly distributed's fourth blade, and the surface fixed mounting of a plurality of fourth blade has the screw post, the equal fixed mounting in both sides at heat dissipation chassis top has the side-mounting post. The radiator is formed by arranging the higher radiating fins consisting of the first blade, the second blade, the third blade and the fourth blade and the radiating chassis, the radiator is made by cold forging and pressing process by using 1070 pure aluminum, and the product has ultra-good heat conduction and radiating performance due to the cold forging integration.

Description

A LED high-power COB light source heat sink structure

technical field

The utility model relates to the technical field of COB light source heat dissipation, in particular to a radiator structure of an LED high-power COB light source.

Background technique

The heat dissipation of high-power C0B light sources has always been a problem in the industry. The common method is to use phase-change heat pipes or normal fans to achieve it, but some places of use are limited, such as lamps used in the sea, and phase-change heat pipes are used due to material problems. , can not have good salt spray performance, the fan is not convenient to waterproof.

Therefore, for the heat dissipation of high-power COB light sources, its heat dissipation effect and performance are not satisfactory. Therefore, a radiator for COB light sources is designed to improve the heat dissipation performance.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a radiator structure of an LED high-power COB light source, which solves the problem of poor heat dissipation performance of the high-power COB light source.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

An LED high-power COB light source radiator structure includes a heat dissipation chassis, a plum-blossom heat sink is fixedly installed in the middle of the upper surface of the heat dissipation chassis, and uniformly distributed first blades are fixedly installed on the upper surface of the heat dissipation chassis, and are adjacent to each other. A second blade is interspersed between the two first blades, the bottom of the second blade is fixedly installed with the upper surface of the heat dissipation chassis, and the top of the heat dissipation chassis is fixedly installed with evenly distributed third blades, and evenly distributed There are evenly distributed fourth blades interspersed between the third blades, and screw posts are fixedly installed on the outer surfaces of several fourth blades, and side mounting posts are fixedly installed on both sides of the top of the heat dissipation chassis.

Preferably, mounting plates are fixedly installed on both sides of the outer surface of the side mounting column, and the number of the mounting plates is four.

Preferably, the other two sides of the outer surface of the side mounting post are provided with mounting grooves.

Preferably, the bottom of the heat dissipation chassis is provided with evenly distributed first ventilation holes.

Preferably, the lower surface of the heat dissipation chassis is provided with evenly distributed second ventilation holes, and the second ventilation holes are interspersed and arranged between the first ventilation holes.

Preferably, an installation disc is fixedly installed in the middle of the lower surface of the heat dissipation chassis, and a slot hole is formed on the outer surface of the installation disc.

Compared with the prior art, the beneficial effects of the present utility model are:

1. By setting a higher radiator composed of the first blade, the second blade, the third blade and the fourth blade, it is a radiator composed of a heat dissipation chassis. This radiator is made of 1070 pure aluminum and uses a cold forging process. The integration of cold forging makes the product have excellent thermal conductivity and heat dissipation performance. The radiator can be used for a 500W COB light source to dissipate heat. The large-sized radiator achieves an ultra-high heat dissipation blade height.

2. The first blade, the second blade, the third blade and the fourth blade are made of pure aluminum, so that it has good anti-corrosion properties such as salt spray. The blade part is designed with screw posts and side mounting posts. It can be applied to any installation method of lamps, making it more convenient and labor-saving to install.

Description of drawings

Fig. 1 is the structural representation of the utility model;

2 is a perspective view of a heat dissipation chassis of the present invention;

Figure 3 is a top view of the utility model.

In the figure: 1 cooling chassis, 2 plum blossom fins, 3 first blade, 4 second blade, 5 third blade, 6 fourth blade, 7 screw post, 8 side mounting post, 9 mounting plate, 10 mounting slot, 11 First ventilation hole, 12 second ventilation hole, 13 mounting disc, 14 slot hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, a LED high-power COB light source radiator structure, including a heat dissipation chassis 1, the middle part of the upper surface of the heat dissipation chassis 1 is fixedly installed with a plum blossom heat sink 2, and the upper surface of the heat dissipation chassis 1 is fixedly installed with uniformly distributed No. A blade 3, and a second blade 4 is interspersed between two adjacent first blades 3. The bottom of the second blade 4 is fixedly installed on the upper surface of the heat dissipation chassis 1, and the top of the heat dissipation chassis 1 is fixedly installed with uniform distribution The third blades 5 are evenly distributed, and evenly distributed fourth blades 6 are interspersed between the evenly distributed third blades 5. The first blade 3, the second blade 4, the third blade 5 and the fourth blade 6 are formed The higher heat sink makes it a radiator composed of the heat dissipation chassis 1. This radiator is made of 1070 pure aluminum material and is made by cold forging process. The integration of cold forging makes the product have excellent thermal conductivity and heat dissipation performance. The radiator can dissipate heat for a 500W C0B light source. The large-sized radiator achieves an ultra-high heat dissipation blade height, and the outer surfaces of several fourth blades 6 are fixedly installed with screw posts 7. The sides are fixedly installed with side mounting columns 8, and the blade part is designed with screw columns 7 and side mounting columns 8, which can be applied to any installation method of lamps, making it more convenient and labor-saving to install. Both sides of the outer surface of the side mounting columns 8 are The mounting plate 9 is fixedly installed, and the number of the mounting plate 9 is four, and the two sides of the outer surface of the side mounting column 8 are fixedly installed with the mounting plate 9, and the number of the mounting plate 9 is four, and the bottom of the heat dissipation chassis 1 is provided with There are evenly distributed first ventilation holes 11, and the lower surface of the heat dissipation chassis 1 is provided with evenly distributed second ventilation holes 12, and the second ventilation holes 12 are interspersed and arranged between the first ventilation holes 11. The heat sink adopts the thermal conductivity coefficient. The pure aluminum up to 230W is integrally formed by cold forging process. The product is divided into a heat dissipation chassis 1 and a heat dissipation blade. The C0B light source is installed in the middle of the heat dissipation chassis 1. The heat dissipation chassis 1 has a certain thickness, which can quickly transfer the heat of the light source to the horizontal direction. Around the bottom, and in the longitudinal direction, the heat is quickly taken away by the first blade 3, the second blade 4, the third blade 5 and the fourth blade 6. The large first and second ventilation holes 11 and 12 at the bottom and the higher The heat dissipation blades ensure excellent heat dissipation performance. By using pure aluminum material to make the first blade 3, the second blade 4, the third blade 5 and the fourth blade 6, it has good anti-corrosion properties such as salt spray. , the middle part of the lower surface of the heat dissipation chassis 1 is fixedly installed with a mounting disk 13 , and the outer surface of the mounting disk 13 is provided with a slot 14 .

Working principle: The radiator is made of pure aluminum with a thermal conductivity of 230W, and is integrally formed by a cold forging process. The product is divided into a heat dissipation chassis 1 and a heat dissipation blade. The heat of the light source can be quickly transferred to the surroundings of the bottom horizontally, and the heat can be quickly taken away by the first blade 3, the second blade 4, the third blade 5 and the fourth blade 6 in the longitudinal direction. The large first ventilation holes 11 and 6 at the bottom The second ventilation holes 12 and the higher heat dissipation blades ensure excellent heat dissipation performance.

To sum up, the structure of the LED high-power COB light source heat sink is formed by setting a higher heat sink composed of the first blade 3, the second blade 4, the third blade 5 and the fourth blade 6, so that it is connected with the heat dissipation chassis 1. The radiator is composed of 1070 pure aluminum and cold forging process. The integration of cold forging makes the product have excellent thermal conductivity and heat dissipation performance. The radiator can be used for a 500W C0B light source to dissipate heat. The large size radiator achieves a super high heat dissipation blade height. By using pure aluminum material to make the first blade 3, the second blade 4, the third blade 5 and the fourth blade 6, it has good resistance to salt. Anti-corrosion properties such as fog, the blade part is designed with screw posts 7 and side mounting posts 8, which can be applied to any installation method of lamps, making it more convenient and labor-saving to install.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An LED high-power COB light source radiator structure, comprising a heat dissipation chassis (1), characterized in that a plum-blossom heat sink (2) is fixedly installed in the middle of the upper surface of the heat dissipation chassis (1), and the heat dissipation chassis ( The upper surface of 1) is fixedly mounted with uniformly distributed first blades (3), and a second blade (4) is interspersed between two adjacent first blades (3), the second blades (4) The bottom of the heat dissipation chassis (1) is fixedly installed on the upper surface of the heat dissipation chassis (1), the top of the heat dissipation chassis (1) is fixedly installed with uniformly distributed third blades (5), and the uniformly distributed third blades (5) are interspersed with them. There are evenly distributed fourth blades (6), and screw posts (7) are fixedly installed on the outer surfaces of the plurality of fourth blades (6), and side mounting posts are fixedly installed on both sides of the top of the heat dissipation chassis (1). (8). 2. A LED high-power COB light source radiator structure according to claim 1, characterized in that a mounting plate (9) is fixedly installed on both sides of the outer surface of the side mounting post (8), and the mounting plate The number of (9) is four. 3. The LED high-power COB light source heat sink structure according to claim 2, characterized in that, the other two sides of the outer surface of the side mounting post (8) are provided with mounting grooves (10). 4. The LED high-power COB light source heat sink structure according to claim 1, wherein the bottom of the heat dissipation chassis (1) is provided with first ventilation holes (11) evenly distributed. 5. The LED high-power COB light source heat sink structure according to claim 4, wherein the lower surface of the heat dissipation chassis (1) is provided with evenly distributed second ventilation holes (12), and the second The ventilation holes (12) are inserted between the first ventilation holes (11). 6. A LED high-power COB light source radiator structure according to claim 1, wherein a mounting disc (13) is fixedly installed in the middle of the lower surface of the heat dissipation chassis (1), and the mounting disc ( The outer surface of 13) is provided with a slot hole (14).