CN201159444Y - Multi-layer radiating fin for LED lamp - Google Patents

Abstract

The utility model discloses multilayer formula is fin for LED lamp mainly relates to the LED lamp, especially high brightness is heat radiation structure for LED lamp. The radiating fin comprises a radiating fin base body, wherein the radiating fin base body comprises more than two radiating plates with high conductivity coefficients, a plurality of pairs of circulation holes are formed in different radiating plates, and a connecting heat-conducting plate is arranged between every two adjacent radiating plates. By adopting the device, each heat dissipation plate is provided with the convection through hole, so that the heat dissipation plate can effectively conduct and convect. Therefore, heat can be effectively dissipated in time, and the LED lamp can work normally.

Description

Heat sink for multi-layer LED lights

technical field

The utility model discloses a multi-layer heat sink for LED lamps, which mainly relates to LED lamps, especially a heat dissipation structure for high-brightness LED lamps.

Background technique

LED (Light Emitting Diode) is what we call light-emitting diodes. It is a product widely used in the modern technology industry. It is used in display, image, sign, lighting, identification, automobile...etc. Light-emitting diodes of various specifications. Especially in recent years, the successful development of high-efficiency, high-brightness white LEDs has made the application of LEDs in the lighting field possible. As a new type of light source, LED has the characteristics of long life, short start-up time, power saving, no ultraviolet rays, rich and full colors, full-color change, and low-voltage safety. In addition to the long-term application in the above-mentioned traditional signal and display fields, the advent of high-power and ultra-high-brightness LEDs in recent years has greatly expanded the application fields of LEDs. Now LEDs are widely used in entertainment, urban architectural beautification, and landscape lighting. , and develop in the direction of daily lighting applications.

However, heat dissipation is critical for LED devices. If the heat generated by the chip cannot be dissipated in a timely manner and the temperature is kept within the allowable range, it will be impossible to obtain stable light output and maintain normal device life. If the accumulated heat causes the temperature of the substrate to rise sharply, leading to an excessively high temperature, it will greatly increase the possibility of LED failure, resulting in increased light decay and shortened life of the LED.

Contents of the invention

The purpose of this utility model is to provide a heat sink for LED lamps, which adopts a heat sink with high conductivity to form a layered structure, and makes several convection holes on the heat sink to achieve efficient heat dissipation and ensure the heat of the LED lamp Disperse in time to make the LED lights work normally.

A multi-layer heat sink for LED lamps, including a heat sink base, is characterized in that the heat sink base includes more than two heat sinks with high conductivity, and there are several convection holes on different heat sinks.

In the heat sink for the above-mentioned multi-layer LED lamp, a heat conducting plate is connected between two adjacent heat sink plates.

In the heat sink for the above-mentioned multi-layer LED lamp, several convection holes on each heat sink can form a convection channel.

With the above-mentioned device, there are convection holes on each cooling plate, which can conduct and convect effectively. Therefore, the heat can be dissipated more timely and effectively, thereby ensuring that the LED lamp can work normally.

Description of drawings

The accompanying drawing is a schematic diagram of a specific embodiment of a heat sink for a multi-layer LED lamp of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the heat sink for multi-layer LED lamp of the present utility model is described in further detail:

Shown in the drawings is a specific embodiment of the heat sink for multi-layer LED lamps of the present invention, including a heat sink base 1, and the heat sink base 1 can be made of metals with high conductivity such as silver, copper, aluminum, iron, etc. Made of metal, it can also be made of other materials with high conductivity. The heat sink base 1 includes more than one heat dissipation plate with high conductivity. In the accompanying drawings of this embodiment, three heat dissipation plates (11, 12, 13 ), its shape is round, and it can also be designed into any other shape according to the specific needs of the LED lamp, such as square, oval, triangle, etc. The cooling plate can be one piece or more than two pieces, and it can be designed according to the needs. As shown in the accompanying drawings, there are connecting heat conducting plates (21, 22) between adjacent two cooling plates, and convection holes (31, 32, 33) are arranged on each cooling plate (11, 12, 13). The number of convection holes on the heat sink plate can be designed according to the needs, and the shape of the convection holes can also be designed into various shapes according to the needs. The number of holes can be the same or different, and the positions of the flow holes on two adjacent cooling plates can also be corresponding or not. As shown in the figure, the number of convection holes on two adjacent heat sinks is the same, and the positions are corresponding, so that the convection holes of the entire heat sink form a through convection channel, thereby forming a convection channel, which is more conducive to heat dissipation Dispersion, so as to better ensure the normal operation of LED lights.

Claims (3)

1, multiple field LED lamp fin comprises the fin matrix, it is characterized in that the fin matrix comprises the heat sink of two above high conduction coefficients, has several to opening on different heat sinks.

2, multiple field LED lamp fin according to claim 1 is characterized in that between adjacent two heat sinks the connection heat-conducting plate being arranged.

3, multiple field LED lamp fin according to claim 2 is characterized in that on the every heat sink several can form convection channel to opening.