CN201973685U - LED light radiator with multiple curved surface cooling fins - Google Patents

Abstract

The utility model discloses an LED lamp heat sink with multiple curved heat sink fins, belonging to the LED lamp heat sink technology. The key points of the technical solution include a columnar aluminum alloy body, and curved heat sink fins are distributed on the periphery of the aluminum alloy body, wherein at least one fork is provided at the outer end of the heat sink fin, the outer surface of the heat sink fin is a small wave shape or a small sawtooth shape, and the heat sink fins are radially distributed along the central axis of the aluminum alloy body; 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

LED light radiator with multiple curved surface cooling fins

technical field

The utility model relates to a radiator for an LED lamp, in particular to a radiator for an LED lamp with multiple curved surface radiator fins.

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 heat sink with multiple curved surface heat dissipation fins, which has good heat dissipation effect, wide application, and can be combined into various LED lamps.

The technical solution of the utility model is as follows: a LED lamp radiator with multiple curved surface cooling fins, including a cylindrical aluminum alloy body, and curved cooling fins are distributed on the periphery of the aluminum alloy body, wherein the The outer end of the heat dissipation fin is provided with at least one fork, the outer surface of the heat dissipation fin is small wavy or small zigzag, and the heat dissipation fins are radially distributed along the central axis of the aluminum alloy body.

In the above-mentioned LED lamp radiator with multiple curved surface cooling fins, a bifurcation is provided at the outer end of the cooling fins, and the cooling fins are curved Y-shaped.

In the above-mentioned LED lamp heat sink with multiple curved surface heat dissipation fins, the outer surface of the heat dissipation fins has a small wave shape or a small sawtooth shape.

In the above-mentioned LED lamp radiator with multiple curved surface cooling fins, the aluminum alloy body is cylindrical, and the cooling fins are evenly distributed on the outer surface of the aluminum alloy body.

In the above-mentioned LED lamp heat sink with multiple curved surface heat dissipation fins, the heat dissipation fins are evenly distributed on the outer surface of the aluminum alloy body.

In the above-mentioned LED lamp heat sink with multiple curved surface heat dissipation fins, at least one end of the aluminum alloy body is provided with a threaded connection portion.

After the utility model adopts the above structure, by designing the fork-shaped heat dissipation fins on the periphery of the aluminum alloy body into a curved shape, the heat dissipation area can be greatly increased under the same volume, and the heat dissipation area can reach twice the original; after further improvement , the use of small waves or small serrated surfaces arranged on the surface of the heat dissipation fins can increase the heat dissipation area, and can also form eddy currents on the heat dissipation surface, greatly improving the heat dissipation effect, which is beneficial to the heat transfer and heat dissipation of the LED lamp when it is working; The use of the new type has simple structure, ideal heat dissipation effect, and 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 the sectional view of A-A direction in Fig. 1;

Fig. 3 is a partially enlarged schematic diagram of place B 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 partially enlarged schematic diagram at D in Fig. 5;

Fig. 7 is the sectional view of C-C direction in Fig. 5;

Fig. 8 is a schematic diagram of the use state of the second embodiment of the utility model.

Detailed ways

Example 1

Referring to Fig. 1 to Fig. 3, a LED lamp radiator with multiple curved surface cooling fins of the present invention includes an aluminum alloy body 1, the aluminum alloy body 1 is cylindrical in shape, and a through hole is provided in the middle Structure, on the outer circumference of the aluminum alloy body 1 along the central axis of the aluminum alloy body 1, there are twenty-seven curved Y-shaped cooling fins 2 evenly distributed radially along the central axis of the aluminum alloy body 1, and the shape of the cooling fins 2 can be designed as a trident as required Or Y-shaped and three-pronged arrangement, of course, if the volume of the aluminum alloy body 1 is large, the shape of the cooling fins 2 can also be a shape above three-pronged, or a multi-pronged layered structure, depending on the specific situation; The heat dissipation fins 2 in the example are approximately S-shaped, and the two outer surfaces of the heat dissipation fins 2 are small serrated surfaces (or small wave-shaped surfaces), which can increase the heat dissipation area and make the heat dissipation area reach the original More than two parts of the common heat dissipation fins can form eddy currents on the surface of the heat dissipation fins 2, which is beneficial to heat transfer and improves the heat dissipation effect; in this embodiment, a threaded connection part 1a is also provided on the upper part of the aluminum alloy body 1 to facilitate the aluminum alloy The main body 1 is connected with an insulating lamp holder or other lamp components to form 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 to Fig. 7, the utility model is a LED lamp heat sink with multiple curved surface heat dissipation fins. The difference is that the heat dissipation fins 2 on the periphery of the aluminum alloy body 1 are Y-shaped and The trident-shaped cooling fins 2 are composed of the upper end and the lower end of the aluminum alloy body 1, respectively, the screw connection part 1a (the upper end is an external thread connection part, and the lower end is an internal thread connection part), and lamps such as insulating lamp holders and substrates. The components are connected and assembled into LED lamps.

Referring to Fig. 8, it is a kind of LED lighting fixture (substrate, LED lamp body, homogeneous body and drive, etc. installed on the aluminum alloy body 1) that is combined 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, so as to cooperate with the requirements of combining into various lamp shapes, such as cylinder, spherical body, imitation hammer body, cube, etc., which will not be repeated here.

Claims (6)

1. A heat sink for LED lights with multiple curved surface cooling fins, comprising a cylindrical aluminum alloy body (1), with curved cooling fins (2) distributed on the periphery of the aluminum alloy body (1), its features That is, the outer end of the heat dissipation fin (2) is provided with at least one fork, the outer surface of the heat dissipation fin (2) is small wavy or small zigzag, and the heat dissipation fin (2) is along the aluminum The central axis of the alloy body (1) is radially distributed. 2. The LED lamp radiator with multiple curved surface cooling fins according to claim 1, characterized in that, the outer end of the cooling fin (2) is provided with a bifurcation, and the cooling fin (2) It is a curved Y shape. 3. The LED lamp heat sink with multiple curved surface heat dissipation fins according to claim 1 or 2, characterized in that, the outer surface of the heat dissipation fins (2) is small wavy or small serrated. 4. The LED lamp radiator with multiple curved surface cooling fins according to claim 1 or 2, characterized in that, the aluminum alloy body (1) is cylindrical, and the cooling fins (2) are evenly distributed on The outer surface of the aluminum alloy body (1). 5. The LED lamp heat sink with multiple curved surface heat dissipation fins according to claim 3, characterized in that, the heat dissipation fins (2) are evenly distributed on the outer surface of the aluminum alloy body (1). 6 . The LED lamp heat sink with multiple curved surface heat dissipation fins according to claim 5 , wherein at least one end of the aluminum alloy body ( 1 ) is provided with a threaded connection portion ( 1 a ).

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