CN205447682U - Light -emitting diode (LED) lamp graphite radiator - Google Patents

Abstract

The utility model proposes a graphite heat sink for LED lamps, which includes a base, a heat conduction tube and a heat sink. Both the base and the heat conduction tube are processed and formed from graphite materials. The base is provided with a card slot corresponding to the heat sink, and the center of the base is provided with a through hole, which is matched with the heat conduction cylinder, and both the heat conduction cylinder and the outer layer of the base are coated with SIC coating. The structure of the radiator is reasonable, and the base and the heat conduction cylinder are made of graphite material. Through the cooperation of the characteristics of the graphite material and the heat sink, the heat dissipation effect is improved and the service life of the LED is guaranteed. At the same time, the unique design of the heat sink further improves The heat dissipation effect is improved, and the structure of the heat sink is stable, and the heat sink can be replaced, which improves the service life and saves the cost.

Description

A graphite heat sink for LED lights

technical field

The utility model relates to the technical field of radiators, in particular to a graphite radiator for LED lamps.

Background technique

With the development of the photoelectric industry, LEDs are widely used in various lighting equipment due to their low power consumption, long life, easy control, and impact resistance. LEDs are cold light sources. Compared with incandescent lamps and fluorescent lamps, they also have No flicker, fast start-up, energy saving and environmental protection, etc., are regarded as a new generation of ideal light source by the optoelectronic industry; although LED is regarded as a cold light source, it will still generate a certain amount of heat when working, and the working temperature of LED should generally be lower than 50 degrees , some materials show that when the working temperature of LED reaches 55 degrees, its life will be reduced by half. At present, LEDs in the prior art generally have heat dissipation problems, resulting in short service life of LED lights, easy to burn out or circuit failure In addition, in order to solve the heat dissipation problem of LED lights, LEDs are equipped with heat sinks on the surface, and the heat is guided to the outside by applying heat dissipation glue on the bottom. The improved structure of some LED lights is relatively complicated, and it is inconvenient to install and disassemble.

Therefore, for the problems referred to above, the utility model proposes a new technical solution.

Utility model content

The purpose of the utility model is to provide a graphite heat sink for LED lights with simple combination, good heat dissipation effect and high stability.

The utility model is achieved through the following technical solutions:

A graphite heat sink for LED lights, comprising a base, a heat conduction cylinder and heat sinks, the base and heat conduction cylinder are both processed and formed from graphite materials, a heat conduction cylinder is arranged directly above the base, and heat dissipation fins are evenly distributed around the heat conduction cylinder , the base is provided with a card slot corresponding to the heat sink, the center of the base is provided with a through hole, the through hole is matched with the heat conduction cylinder, and the heat conduction cylinder and the outer layer of the base are coated with SIC coating .

Further, the heat sink includes a first slope, a convex body and a second slope, and the first slope, the convex body and the second slope are integrally structured.

Further, the length of the first slope is greater than the length of the second slope.

Further, a circle of cooling holes is defined between the through hole and the slot.

Further, the heat sink and the card slot are in a snap-fit connection.

The beneficial effects of the utility model are: the structure of the radiator is reasonable, the base and the heat conduction cylinder are made of graphite material, and through the characteristics of the graphite material and the cooperation of the heat sink, the effect of heat dissipation is improved, and the service life of the LED is ensured. At the same time, the heat dissipation The unique design of the fin further improves the heat dissipation effect, and the structure of the radiator is stable, and the heat sink can be replaced, which improves the service life and saves the cost.

Description of drawings

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

Fig. 2 is a structural schematic diagram of the base in Fig. 1;

FIG. 3 is a schematic structural diagram of the heat sink in FIG. 1 .

Among them: 1. base, 2. heat sink, 3. heat conduction cylinder, 4. card slot, 5. through hole, 6. cooling hole, 7. first slope, 8. convex body, 9. second slope.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1 to 3, a graphite radiator for LED lamps includes a base 1, a heat conduction cylinder 3 and a heat sink 2, the base 1 and the heat conduction cylinder 3 are made of graphite materials, and the heat conduction cylinder 3 is arranged directly above the base 1 , the heat conduction cylinder 3 is evenly distributed around the heat sink 2, the base 1 is provided with a card slot 4 corresponding to the heat dissipation fin 2, the center of the base 1 is provided with a through hole 5, the through hole 5 is matched with the heat conduction cylinder 3, and the heat conduction cylinder 3 and the outer layer of base 1 are coated with SIC coating.

In this embodiment, the heat sink 2 includes a first slope 7 , a convex body 8 and a second slope 9 , and the first slope 7 , the convex body 8 and the second slope 9 are integrally formed.

In this embodiment, the length of the first slope 7 is greater than the length of the second slope 9 .

In this embodiment, a circle of cooling holes 6 is defined between the through hole 5 and the slot 4 .

In this embodiment, the heat sink 2 and the slot 4 are snap-fitted.

The thermal conductivity of the structural graphite material of the utility model and the unique design improve the heat dissipation effect of the radiator. The structure of the radiator is reasonable, and the base and the heat conduction cylinder are processed and formed of graphite materials. The heat dissipation effect is improved, and the service life of the LED is guaranteed. At the same time, the unique design of the heat sink further improves the heat dissipation effect. Moreover, the structure of the heat sink is stable, and the heat sink can be replaced, which improves the service life and saves costs.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. a LED heat radiator, including base, heat-conducting cylinder and fin, it is characterized in that: described base and heat-conducting cylinder are graphite material machine-shaping, it is provided with heat-conducting cylinder directly over described base, described heat-conducting cylinder surrounding is evenly distributed with fin, and described base is provided with the draw-in groove corresponding with fin, and described base center is provided with through hole, described through hole matches with heat-conducting cylinder, and described heat-conducting cylinder and base outer layer all scribble SIC coating.

A kind of LED heat radiator, it is characterised in that: described fin includes that the first inclined-plane, convex body and the second inclined-plane, described first inclined-plane, convex body and the second inclined-plane are structure as a whole.

A kind of LED heat radiator, it is characterised in that: the length on described first inclined-plane is more than the length on the second inclined-plane.

A kind of LED heat radiator, it is characterised in that: offer a circle louvre between described through hole and draw-in groove.

A kind of LED heat radiator, it is characterised in that: described fin and draw-in groove are that buckle-type connects.