CN210241520U

CN210241520U - LED module heat radiation structure

Info

Publication number: CN210241520U
Application number: CN201920626578.6U
Authority: CN
Inventors: Min Xu; 许敏; Dijun Xing; 邢迪俊; Chaoyang Sheng; 盛朝阳; Kai Xin; 辛凯
Original assignee: Shanghai Wisdom Core Lighting Technology Co ltd
Current assignee: Shanghai Wisdom Core Lighting Technology Co ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-03
Anticipated expiration: 2029-04-30

Abstract

The utility model provides a LED module heat radiation structure, including the radiator body, the back of radiator body is provided with a plurality of radiating fin, on the radiating fin with the junction of radiator body still is provided with horizontal convection hole, on the radiator body with each horizontal convection hole corresponds position department and still is provided with and runs through the vertical convection hole of radiator body, vertical convection hole with horizontal convection hole link up. The utility model provides a LED module heat radiation structure only carries out radiating scheme through the radiating fin surface among the prior art, the utility model discloses can be more, faster take away the heat on the heat dissipation muscle, guarantee the radiating reliability of lamps and lanterns and the stability of work.

Description

LED module heat radiation structure

Technical Field

The utility model relates to a lighting device technical field especially relates to a LED module heat radiation structure.

Background

The LED module generally includes a heat sink for dissipating heat of the LED module.

On the LED module radiator among the prior art, generally directly dispel the heat through radiating fin, this kind of heat radiation structure, the radiating effect is poor, and the radiating rate is slow to can not guarantee the radiating reliability of lamps and lanterns and the stability of work.

SUMMERY OF THE UTILITY MODEL

For solving the problem in the background art, the utility model provides a LED module heat radiation structure, including the radiator body, the back of radiator body is provided with a plurality of radiating fins, on the radiating fin with the junction of radiator body still is provided with horizontal convection current hole, on the radiator body with each horizontal convection current hole corresponds position department and still is provided with and runs through the vertical convection current hole of radiator body, vertical convection current hole with horizontal convection current hole link up.

Preferably, the heat dissipation fins comprise a plurality of radial heat dissipation fins circumferentially arranged around the center of the back surface of the heat sink body, and a circumferential heat dissipation fin connecting the outer ends of two adjacent radial heat dissipation fins.

Preferably, the lateral convection holes are arranged at the connection of the circumferential heat dissipation fins and the heat sink body.

Preferably, the LED module further includes a rear cover, the rear cover is covered on the back of the heat sink body, the heat dissipation fins are located in the rear cover, and the rear cover is further provided with a plurality of heat dissipation channels.

Preferably, the rear cover comprises a rear cover bottom and a surrounding wall arranged on a circle of the rear cover in a surrounding manner, the rear cover bottom is composed of a plurality of heat dissipation ribs arranged sequentially at intervals, and the heat dissipation channel is formed between every two adjacent heat dissipation ribs.

The utility model discloses owing to adopt above technical scheme, make it compare with prior art, have following advantage and positive effect:

the utility model provides a LED module heat radiation structure, through the corresponding horizontal convection hole and the vertical convection hole that are provided with the link up of position department under the fin, cold air directly flows radiating fin's surface behind vertical convection hole, horizontal convection hole in proper order for cold air and radiating fin fully contact, take away the heat on the radiating fin, the convection current of air has been accelerated in the setting of horizontal convection hole and vertical convection hole, only carries out radiating scheme through the radiating fin surface among the prior art, the utility model discloses can be more, faster take away the heat on the heat dissipation muscle, guarantee the radiating reliability of lamps and lanterns and the stability of work.

Drawings

The above and other features and advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic view of a heat dissipation structure of an LED module according to the present invention;

fig. 2 is a schematic front view of an LED module according to the present invention;

fig. 3 is a back view of the LED module according to the present invention;

fig. 4 is a schematic perspective view of an LED module according to the present invention;

fig. 5 is a schematic diagram of the rear cover and the radiator body after being connected.

Detailed Description

The invention will be described in more detail hereinafter with reference to the accompanying drawings showing embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.

Referring to fig. 1-5, the utility model provides a LED module heat radiation structure, including radiator body 1, radiator body 1's the back is provided with a plurality of radiating fin 3, and radiating fin 3 is last still to be provided with horizontal convection hole 4 with radiator body 1's junction, and radiator body 1 is last still to be provided with vertical convection hole 2 that runs through radiator body 1 with each horizontal convection hole 4 corresponding position department, and vertical convection hole 2 link up with horizontal convection hole 4.

The utility model discloses a corresponding horizontal convection hole and the vertical convection hole that is provided with the link up of position department under the fin, cold air directly flows radiating fin's surface behind vertical convection hole, horizontal convection hole in proper order for cold air and radiating fin fully contact, take away the heat on the radiating fin, transversely to the convection current of air has been accelerated with the setting up of vertical convection hole to the flow hole, only carry out radiating scheme through the radiating fin surface among the prior art, the utility model discloses can be more, faster take away the heat on the heat dissipation muscle, guarantee the radiating reliability of lamps and lanterns and the stability of work.

In the present embodiment, referring to fig. 3 to 4, the heat dissipating fin 3 includes a plurality of radial heat dissipating fins 301 circumferentially arranged around the center of the back surface of the heat sink body 1, and a circumferential heat dissipating fin 302 connecting the outer ends of two adjacent radial heat dissipating fins 301.

In this embodiment, the radial heat dissipating fins 301 and the circumferential heat dissipating fins 302 are commonly disposed, so that on one hand, the heat dissipating area is increased, and on the other hand, the radial heat dissipating fins, the vertical convection holes 2 and the transverse convection holes 4 together form a chimney-type heat dissipating channel, which is beneficial to improving the heat dissipating effect. Of course, in other embodiments, the specific structural form of the heat dissipation fin 3 may also be adjusted according to specific needs, and is not limited herein.

Further, the lateral convection holes 4 are arranged at the connection of the circumferential heat radiation fin 302 with the heat sink body 1.

The cold air that moves up in the vertical convection hole is divided into 2 parts behind the horizontal convection hole, flows through respectively circumference radiating fin 302's the outside with circumference radiating fin 302's inboard makes cold air and heat dissipation fin fully contact, improves the radiating efficiency. An annular chimney type heat dissipation channel is formed between the outer side of the heat dissipation fins 302 and the inner wall of the rear cover 5, and air flowing through the outer side of the heat dissipation fins 302 is accelerated to flow rapidly. The air flowing through the inner side of the heat dissipating fins 302 also takes away the heat from the radial heat dissipating fins 301, so that the heat dissipation is more sufficient.

In this embodiment, the LED module further includes a rear cover 5, the rear cover 5 covers the back of the heat sink body 1, and the heat dissipation fins 3 are located in the rear cover 5; the rear cover 5 is also provided with a plurality of heat dissipation channels for enhancing convection heat dissipation and improving heat dissipation effect.

Specifically, as shown in fig. 5, the rear cover 5 includes a rear cover bottom and a surrounding wall surrounding the rear cover, the rear cover bottom is formed by a plurality of heat dissipation ribs 502 sequentially arranged at intervals, and a heat dissipation channel 502 is formed between adjacent heat dissipation ribs 502. Of course, in other embodiments, the specific structural form of the rear cover is not limited to the above, and may be adjusted according to specific situations, for example, the bottom of the rear cover is a flat plate, and a plurality of through holes are formed on the flat plate to form the heat dissipation channel.

It will be appreciated by those skilled in the art that the invention can be embodied in many other specific forms without departing from the spirit or scope of the invention. Although embodiments of the present invention have been described, it is to be understood that the invention is not limited to those embodiments, and that changes and modifications may be made by one skilled in the art within the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a LED module heat radiation structure, its characterized in that, including the radiator body, the back of radiator body is provided with a plurality of radiating fin, on the radiating fin with the junction of radiator body still is provided with horizontal convection current hole, on the radiator body with each horizontal convection current hole corresponds position department and still is provided with and runs through the vertical convection current hole of radiator body, vertical convection current hole with horizontal convection current hole link up.

2. The heat dissipating structure of claim 1, wherein the heat dissipating fins comprise a plurality of radial fins circumferentially disposed around the center of the back surface of the heat sink body, and a circumferential fin connecting the outer ends of two adjacent radial fins.

3. The LED module heat dissipation structure of claim 2, wherein the lateral convection holes are disposed at the connection of the circumferential heat dissipation fins to the heat sink body.

4. The heat dissipation structure of claim 1 or 2, wherein the LED module further comprises a rear cover, the rear cover is disposed on the back surface of the heat sink body, the heat dissipation fins are disposed in the rear cover, and the rear cover is further provided with a plurality of heat dissipation channels.

5. The heat sink structure of claim 4, wherein the back cover comprises a bottom and a surrounding wall, the surrounding wall surrounds a circle of the back cover, the bottom of the back cover is formed by a plurality of heat dissipating ribs sequentially arranged at intervals, and the heat dissipating channels are formed between adjacent heat dissipating ribs.