Lamp heat dissipation structure

Abstract

The utility model discloses a lamp radiating structure which comprises a shell and radiating fins arranged on the back of the shell, and is characterized in that the radiating fins are provided with a plurality of upward raised lines, a first air duct is formed between every two adjacent raised lines, radiating through holes are formed in the raised lines in the length direction in a penetrating mode, and the radiating through holes form a second air duct. The double-air-duct structure of the first air duct and the second air duct in the heat dissipation structure of the lamp greatly increases the contact area between the raised lines and air and air flow, so that the heat dissipation structure rapidly dissipates heat generated by a light source, rapid cooling of the light source is achieved, the heat dissipation effect is better, meanwhile, light attenuation is reduced, and the service life of the lamp is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of lamps, and in particular to a heat dissipation structure of a lamp. Background Art

[0002] Lighting fixtures generate a lot of heat when working. The higher the temperature, the shorter the service life of the lamp. Therefore, the heat dissipation problem of LED lighting fixtures is very important. For example, the Chinese utility model patent with application number 202320627409.0 discloses a split LED vehicle lamp radiator, including a connection seat, a plurality of heat sinks are fixedly installed on the top of the connection seat, two connection plugs are symmetrically installed on the left and bottom of the connection seat, and the right and top of the connection seat are provided with connection slots for use with the connection plugs, and a transmission cavity is provided between the two connection slots on the same side; a connection positioning mechanism is installed on the connection seat at the position corresponding to the transmission cavity. The heat dissipation structure of this lamp is formed by setting a plurality of upright heat sinks. The heat dissipation area of ​​this heat dissipation structure is limited, and the heat dissipation effect needs to be improved. In addition, the wind needs to follow the flow channel between the heat sinks to effectively dissipate heat. When the wind flows from the side, most of it is blocked by the first heat sink, and it is impossible to form an efficient heat dissipation airflow, thereby greatly reducing the heat dissipation effect of the remaining heat sinks. Summary of the invention

[0003] In view of the shortcomings of the background technology, the technical problem to be solved by the present invention is to provide a lamp heat dissipation structure.

[0004] To this end, the utility model is implemented by adopting the following technical solutions:

[0005] A lamp heat dissipation structure includes a shell and a heat sink arranged on the back of the shell, wherein the heat sink is provided with a plurality of upward convex strips, a first air duct is formed between adjacent convex strips, and heat dissipation through holes are provided through the convex strips along their length direction, and the heat dissipation through holes form a second air duct.

[0006] Furthermore, both side walls of the convex strip are provided with a plurality of heat dissipation channels along the length direction thereof, each group of heat dissipation channels comprises a plurality of oblique through holes in the same direction, and the oblique through holes of every two adjacent groups of heat dissipation channels face opposite directions.

[0007] Furthermore, the heat sink is a whole-piece structure, the convex strips and the heat dissipation through holes are formed by the heat sink protruding upwards, and the oblique through holes are formed by the heat sink opening and twisting.

[0008] Furthermore, the heat sink is bonded to the shell by glue.

[0009] After adopting the above technical solution, the dual air duct structure of the first air duct and the second air duct greatly increases the contact area between the convex strip and the air and wind flow, so that the heat dissipation structure can quickly dissipate the heat generated by the light source to achieve rapid cooling of the light source, with better heat dissipation effect, while also reducing light decay and extending the service life of the lamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The utility model has the following drawings:

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 for Figure 1 Bottom view of .

[0013] Figure numerals: 1, shell; 2, heat sink; 3, convex strip; 4, first air duct; 5, heat dissipation through hole; 6, heat dissipation channel. DETAILED DESCRIPTION

[0014] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0015] With reference to the above-mentioned drawings, a lamp heat dissipation structure provided by the utility model includes a shell 1 and a heat sink 2 arranged on the back of the shell 1, and is characterized in that: the heat sink 2 is provided with a plurality of upward convex strips 3, and a first air duct 4 is formed between adjacent convex strips 3, and the convex strips 3 are penetrated with heat dissipation through holes 5 along their length direction, and the heat dissipation through holes 5 form a second air duct, and the two side walls of the convex strips 3 are provided with a plurality of heat dissipation channels 6 along their length direction, and each group of heat dissipation channels 6 includes a plurality of oblique through holes in the same direction, and the oblique through holes of every two adjacent groups of heat dissipation channels 6 face opposite directions, and the heat sink 2 is a whole-piece structure, and the convex strips 3 and the heat dissipation through holes 5 are formed by the upward protrusion of the heat sink 2, and the oblique through holes are formed by the opening and twisting of the heat sink 2, and the heat sink 2 is bonded to the shell 1 by glue.

[0016] In the present embodiment, the double air duct structure of the first air duct 4 and the second air duct greatly increases the contact area between the convex strip 3 and the air and wind flow, so that the heat dissipation structure can quickly dissipate the heat generated by the light source, so as to achieve rapid cooling of the light source, and the heat dissipation effect is better, while also reducing light decay and extending the service life of the lamp; secondly, the heat dissipation channel 6 can connect the outside world, the first air duct 4 and the second air duct, and the oblique through holes of each two groups of adjacent heat dissipation channels 6 are in opposite directions, which can guide the wind flows in different directions, and can form several air ducts, which is more conducive to heat dissipation and further enhances the heat dissipation effect; in addition, the oblique through holes are formed by opening and bending the inner wall of the convex strip 3, and the bent portion can play the role of a guide plate, so that the wind flow can pass through the oblique through holes more smoothly to enhance the heat dissipation effect.

[0017] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A lamp heat dissipation structure, comprising a housing and a heat sink disposed on the back of the housing, characterized in that: The heat sink is provided with a plurality of upward convex strips, and a first air duct is formed between adjacent convex strips. The convex strips are penetrated with heat dissipation through holes along their length direction, and the heat dissipation through holes form a second air duct.

2. The heat dissipation structure of the lamp according to claim 1 is characterized in that: The two side walls of the convex strip are provided with a plurality of heat dissipation channels along the length direction thereof, each group of heat dissipation channels comprises a plurality of oblique through holes in the same direction, and the oblique through holes of every two adjacent groups of heat dissipation channels face in opposite directions.

3. The lamp heat dissipation structure according to claim 2 is characterized in that: The heat sink is a whole-piece structure, the convex strips and the heat dissipation through holes are formed by the heat sink protruding upwards, and the oblique through holes are formed by the heat sink opening and twisting.

4. The lamp heat dissipation structure according to claim 1, 2 or 3, characterized in that: The heat sink is bonded to the shell by glue.

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