CN201935146U - A heat sink for LED lamps that is easy to dissipate heat - Google Patents

Abstract

The utility model discloses an LED lamp heat sink that is easy to dissipate heat, and belongs to the technical field of LED lamp heat sinks. The key points of the technical solution include a columnar aluminum alloy body, and heat dissipation fins are radially distributed on the periphery of the aluminum alloy body along the central axis of the aluminum alloy body, wherein the heat dissipation surface of the heat dissipation fin is in a small wave shape or a small sawtooth shape; the utility model aims to provide a heat sink structure with good heat dissipation effect, wide application, and can be combined into a variety of LED lamps, and is used for LED lamps.

Description

A heat sink for LED lamps that is easy to dissipate heat

technical field

The utility model relates to a radiator for LED lamps, in particular to a radiator for LED lamps which is easy to dissipate heat.

Background technique

Traditional indoor and outdoor lighting usually use incandescent lamps or energy-saving lamps (neon tube lamps), which have relatively high energy consumption; with the advancement of electronic technology, lighting fixtures that use high-power light-emitting diode (LED) combinations are becoming more and more common ; Since the LED emits light by using the luminous performance of the semiconductor after it is electrified, it has the advantages of low power consumption and long service life, so it has become an emerging light source to replace the traditional lighting source. Lamps that use LEDs as light sources need to solve the heat transfer and heat dissipation problems during the use of LEDs. The heat dissipation efficiency of the heat sink directly affects the use efficiency and cost of LEDs; The LED lamp body and its accessories play a decisive role in the popularization and application of LED lamps.

Utility model content

The technical problem to be solved by the utility model is to provide an LED lamp radiator with good heat dissipation effect, wide application, and easy heat dissipation that can be combined into various LED lamps for the above-mentioned shortcomings of the prior art.

The technical solution of the present utility model is as follows: an LED light radiator that is easy to dissipate heat, comprising a cylindrical aluminum alloy body, on the periphery of the aluminum alloy body, radiating fins are distributed along the central axis of the aluminum alloy body, wherein The heat dissipation surface of the heat dissipation fins is small wavy or small serrated.

In the aforementioned easy-to-dissipate LED lamp radiator, the aluminum alloy body is cylindrical, and the heat dissipation fins are evenly distributed on the outer surface of the aluminum alloy body.

In the above-mentioned heat sink for LED lamps that is easy to dissipate heat, at least one end of the aluminum alloy body is provided with a threaded connection portion.

After the utility model adopts the above-mentioned structure, by setting the outer surface of the linear heat dissipation fins on the periphery of the aluminum alloy body with small wave-shaped or small serrated heat dissipation protrusions, the heat dissipation area can be greatly enhanced and the heat dissipation can be improved under the same volume. The effect is beneficial to the heat transfer and heat dissipation of the LED lamp when it is working; the new structure of the utility model is simple, the heat dissipation effect is ideal, and it can be directly formed by drawing, providing a feasible technical solution for the promotion of LED lighting fixtures.

Description of drawings

The utility model will be described in further detail below in conjunction with the specific embodiments in the accompanying drawings, but it does not constitute any limitation to the utility model.

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

Fig. 2 is a top view structural schematic diagram of Fig. 1;

Fig. 3 is a partially enlarged schematic diagram of place A in Fig. 1;

Fig. 4 is a schematic diagram of the use state of the utility model embodiment 1;

Fig. 5 is the structural representation of the specific embodiment 2 of the utility model;

Fig. 6 is a top view structural schematic diagram of Fig. 5;

Fig. 7 is a schematic diagram of the use state of the second embodiment of the utility model.

In the figure: an aluminum alloy body 1 , a threaded connection portion 1 a , a heat dissipation fin 2 , an aluminum alloy heat dissipation shell 3 , an insulating lamp holder 4 , and a light-transmitting lampshade 5 .

Detailed ways

Example 1:

Referring to Fig. 1 to Fig. 3, a heat dissipation body for LED lamps of the present utility model, which is easy to dissipate heat, includes an aluminum alloy body 1. The aluminum alloy body 1 is cylindrical in shape and has a through hole structure in the middle. The outer circumference of the alloy body 1 is radially and evenly distributed with forty cooling fins 2 along the central axis of the aluminum alloy body 1. The thickness of the cooling fins 2 can be determined according to specific conditions. Small waves or small serrations; the heat dissipation surfaces on both sides of the heat dissipation fins in this embodiment are small serrations, so that the heat dissipation area can be increased, and eddy currents can be formed on the heat dissipation fins 2 surfaces, which is beneficial Heat transfer to improve heat dissipation effect; this embodiment also has a threaded connection part 1a on the upper part of the aluminum alloy body 1, so as to facilitate the connection of the aluminum alloy body 1 with an insulating lamp holder or other lamp parts to assemble an LED lamp.

Referring to Fig. 4, it is a kind of LED lighting fixture combined with the aluminum alloy heat dissipation shell 3 according to the specific embodiment 1 of the utility model. inside), directly use the cooling fins 2 at the rear of the aluminum alloy cooling shell 3 to dissipate the heat generated by the LED lamp body to the surrounding air, so as to keep the lamp in the normal operating temperature range, thereby ensuring the LED lamp Work effectively.

Example 2:

Referring to Fig. 5 and Fig. 6, the utility model is a kind of LED light radiator which is easy to dissipate heat. There are two kinds of heat dissipation fins 2 with different thicknesses distributed radially, among which there are four thick heat dissipation fins 2, which are evenly distributed on the outer circumference of the aluminum alloy body 1, and there are twelve thinner heat dissipation fins 2 in total. Evenly distributed between the thicker heat dissipation fins 2, the upper end and lower end of the aluminum alloy body 1 are respectively threaded connection part 1a (the upper end is an external thread connection part, and the lower end is an internal thread connection part), and the insulating lamp cap , Substrate and other lamp components are connected and assembled into LED lamps.

Referring to Fig. 7, it is a kind of LED lighting fixture (substrate, LED lamp body, homogenizing body and drive, etc. installed on the aluminum alloy body 1) in combination with the specific embodiment 2 of the present invention, the insulating lamp holder 4, and the light-transmitting lampshade 5. Internally), the heat generated by the LED lamp body during operation is dissipated to the surrounding air directly by using the heat dissipation fins 2 on the periphery of the aluminum alloy body 1, so that the lamp can be kept in the normal operating temperature range, thereby ensuring the effective operation of the LED lamp.

The profile of the aluminum alloy body 1 of the present utility model can be processed into various shapes according to needs, such as a cylinder, a spherical body, a cube, etc., so as to meet the requirements of combining into various lamp shapes, which will not be repeated here.

Claims (3)

1. easy LED lamp radiator of heat radiation, the aluminium alloy body (1) that comprises cylindricality, periphery at aluminium alloy body (1) is distributed with heat-dissipating fin (2) radially along aluminium alloy body (1) axis, it is characterized in that the heat-delivery surface of described heat-dissipating fin (2) is minor undulations or spiculation.

2. the LED lamp radiator of a kind of easy heat radiation according to claim 1 is characterized in that, described aluminium alloy body (1) is a cylindrical shape, and described heat-dissipating fin (2) is evenly distributed on the outer surface of aluminium alloy body (1).

3. the LED lamp radiator of a kind of easy heat radiation according to claim 1 and 2 is characterized in that, wherein at least one end of described aluminium alloy body (1) is provided with threaded joints (1a).

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