CN221324422U

CN221324422U - LED chimney type heat dissipation lighting device

Info

Publication number: CN221324422U
Application number: CN202323283348.XU
Authority: CN
Inventors: 冼学行; 丁艳和
Original assignee: Dongguan Aiduo Illumination Co ltd
Current assignee: Dongguan Aiduo Illumination Co ltd
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2024-07-12
Anticipated expiration: 2033-12-01

Abstract

The utility model relates to the technical field of lighting fixtures, in particular to an LED chimney type heat dissipation lighting device, which comprises a radiator, wherein a channel which transversely penetrates is formed on the radiator, a plurality of first ribs which are transversely distributed are arranged on the inner side surface of the channel, a plurality of second ribs which are vertically distributed are arranged on the outer side of the channel, and an air channel formed between the second ribs is communicated with the outside; and a l ed light source plate, the back of which is attached to the surface of the heat sink; the lamp holder is used for supporting and fixing the radiator, and a driving power supply for driving the ed light source plate is arranged in the lamp holder; the lampshade is covered outside the l ed light source plate; the utility model can effectively solve the problem that the structure of the conventional common radiator fin can not meet the requirement of high heat dissipation for the l ed lamp with small volume and high light efficiency.

Description

LED chimney type heat dissipation lighting device

Technical Field

The utility model relates to the technical field of lighting fixtures, in particular to an LED chimney type heat dissipation lighting device.

Background

The LED lamp is a common illuminant, and is not only focused on the light efficiency category, but also emphasized in illumination effect, light comfort, light biological effect, light safety evaluation, environmental protection performance and resource consumption evaluation, and is mainly applied to the illumination field.

However, in the existing lighting device, the radiator fins are mainly based on an upward and downward radiating mode, and natural convection radiation is enhanced by utilizing the radiating fins vertical to the led lamp panel and utilizing a chimney effect generated in the up-down direction; however, for led lamps with small volume and high light efficiency, the conventional structure of the conventional heat sink fins cannot meet the requirement of high heat dissipation.

Disclosure of utility model

Technical problem to be solved

Aiming at the defects existing in the prior art, the utility model provides the LED chimney type heat dissipation lighting device, which can effectively solve the problem that the structure of the conventional heat dissipation fin can not meet the requirement of high heat dissipation for a LED lamp with small volume and high light efficiency.

Technical proposal

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

The utility model provides an LED chimney type heat dissipation lighting device, which comprises a radiator, wherein a channel which transversely penetrates is formed on the radiator, a plurality of first ribs which are transversely distributed are arranged on the inner side surface of the channel, a plurality of second ribs which are vertically distributed are arranged on the outer side of the channel, and an air channel formed between the second ribs is communicated with the outside;

and the back of the led light source plate is attached to the surface of the radiator;

The lamp holder is used for supporting and fixing the radiator, and a driving power supply for driving the led light source board is arranged in the lamp holder;

And the lampshade is covered outside the led light source plate.

Further, the radiator is arranged between the lamp holder and the lamp shade, the main body of the radiator is of a bulge structure, and the bulge structure protrudes towards one side of the lamp shade.

Further, the channel is a cylindrical channel, the channel is arranged at the protruding end part of the bulge structure, and the first ribs are circumferentially and uniformly distributed on the inner wall of the cylindrical channel.

Further, the outer surface of the bulge of the radiator is a convex arched surface, and the led light source plate is a flexible plate body and is attached and fixed on the arched surface.

Further, the lamp shade body is a spherical lamp shade, one side of the lamp shade is provided with a notch which is attached to the edge of the bulge structure, and the lamp shade is detachably fixed on the radiator through the notch.

Further, the radiator is provided with anti-falling clamping grooves on two sides of the bulge structure, and the lamp shade is provided with clamping plates matched and inserted with the anti-falling clamping grooves at the notch.

Further, the radiator is provided with a vent on the outer surface of the distribution part of the second rib, and the air duct is communicated with the outside through the vent.

Further, a metal lamp cap for conducting electricity is fixed at the other end of the lamp holder, and the metal lamp cap is electrically connected with a driving power supply. And a protective cover plate is arranged between the driving power supply and the radiator.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

The illuminating device of the product is characterized in that a radiator is innovatively designed, a transverse through channel is formed in the radiator, a first rib which is transversely arranged is matched in the radiator, a plurality of vertically distributed second ribs are arranged on the outer side of the transverse channel, and a transverse chimney effect can be generated through the transverse channel and the first ribs in heat dissipation, so that natural convection of a lamp in the left or right direction is enhanced; and the second ribs distributed vertically can generate a vertical chimney effect, so that natural convection of the lamp in the upward or downward direction is enhanced, and compared with a radiator structure in the prior art, the radiator structure has better heat radiation capability, and can better meet the use requirements of the led lamp with small volume and high light efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a perspective view showing the overall structure of a lighting device of the present embodiment;

Fig. 2 is a schematic front view of the lighting device according to the present embodiment;

FIG. 3 is an exploded view of the components of the lighting device of the present embodiment;

Reference numerals in the drawings represent respectively: 10. a heat sink; 11. a channel; 12. a first rib; 13. a second rib; 14. an arched surface; 15. an anti-falling clamping groove; 16. a vent; 17. an air duct; 20. a led light source board; 30. a lamp holder; 31. a metal cap; 32. a protective cover plate; 40. a driving power supply; 50. a lamp shade; 51. a notch; 52. and (5) clamping plates.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is further described below with reference to examples.

Examples:

The utility model provides an LED chimney type heat dissipation lighting device, which is an LED lamp with small volume and high light efficiency, wherein the core of the design of the product is to innovate the structure of a radiator 10 of the lamp, keep the lamp with higher light efficiency under the state of unchanged small volume, and realize excellent heat dissipation capability under the stable and high light efficiency.

Referring to fig. 1-3, the following specifically describes the structural composition of the product by taking a small-volume bulb-type LED lamp as an example:

The LED lighting device comprises a radiator 10 and a LED light source board 20, wherein the back of the LED lighting device is attached to the surface of the radiator 10 and is used for carrying out heat dissipation treatment on LED chips on the LED light source board 20. The LED lamp further comprises a lamp holder 30 and a lamp shade 50, wherein one end of the lamp holder 30 is used for supporting and fixing the radiator 10, and a driving power supply 40 for driving the LED light source plate 20 is arranged in the lamp holder 30; the lamp housing 50 is covered outside the led light source board 20. The other end of the lamp holder 30 is fixed with a metal cap 31 for conducting electricity, the metal cap 31 is electrically connected with the driving power source 40, and a protective cover plate 32 is arranged between the driving power source 40 and the radiator 10.

Wherein, a channel 11 is formed on the radiator 10, a plurality of first ribs 12 are arranged on the inner side surface of the channel 11, a plurality of second ribs 13 are arranged on the outer side of the channel 11, and an air duct 17 formed between the second ribs 13 is communicated with the outside.

Through the formation of the transverse through channel 11 in the radiator 10, the inside cooperates with the first fin 12 that sets up transversely, is provided with a plurality of vertically distributed second fins 13 in the outside of the transverse channel 11 at the same time, through the heat dissipation of transverse channel 11 and first fin 12, can produce the chimney effect of the transverse, make the lamps and lanterns in the natural convection of the left or right direction get enhanced; the vertically distributed second ribs 13 can generate a vertical chimney effect, so that natural convection of the lamp in an upward or downward direction is enhanced, and the radiator 10 can achieve the effect of accelerating convection of air in multiple directions, thereby providing better heat dissipation for the led light source board 20 provided with more led chips.

In this embodiment, when realizing that the volume is unchanged, the lamp realizes a specific implementation mode of high light efficiency and high heat dissipation:

Specifically, the radiator 10 is disposed between the lamp socket 30 and the lamp shade 50, the upper and lower sides of the radiator 10 are respectively connected with the lamp shade 50 and the lamp socket 30, the main body of the radiator 10 is in a bulge structure, the bulge structure protrudes toward one side of the lamp shade 50, and the bulge part of the radiator 10 occupies the space of the lamp shade 50. The main body of the lamp shade 50 in this embodiment is a spherical lamp shade 50, one side of the lamp shade 50 is provided with a notch 51 attached to the edge of the bump structure, the lamp shade 50 is detachably fixed on the radiator 10 through the notch 51, and the lower side of the radiator 10 is fixedly connected with the lamp holder 30 through a screw.

In addition, it is preferable that the channel 11 is a cylindrical channel 11, the cylindrical channel 11 is a left-right through structure, the channel 11 is arranged at the protruding end of the bulge structure, and the first ribs 12 are circumferentially uniformly distributed on the inner wall of the cylindrical channel 11. And the radiator 10 is provided with a vent 16 on the outer surface of the second rib 13 at the distribution position, and the air duct 17 is communicated with the outside through the vent 16.

Because the cylindrical channel 11 is designed at the end of the raised structure, a convex arched surface 14 is naturally formed on the outer surface of the raised part of the radiator 10, so that the led light source board 20 of the embodiment is a flexible board body and is adhered and fixed on the arched surface 14, on one hand, a larger luminous surface can be formed by unfolding the arched surface 14, so that the area of the led light source board 20 is larger, more led chips are welded, and higher luminous efficiency is realized; the flexible led light source plate 20 on the other side is attached to the arched surface 14 to form a larger light emitting angle, so that the 'shadowless' light effect on the lampshade 50 is realized.

Specifically, the lamp shade 50 and the radiator 10 can be disassembled and fixed, the anti-falling clamping grooves 15 are formed on two sides of the bulge structure of the radiator 10, the lamp shade 50 is provided with the clamping plates 52 matched with the anti-falling clamping grooves 15 at the notch 51, and the clamping plates 52 on the lamp shade 50 are elastically clamped in the anti-falling clamping grooves 15, so that the assembly and the disassembly are convenient.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present utility model.

Claims

1. An LED chimney heat sink lighting device, comprising:

The radiator is provided with a channel which transversely penetrates through the radiator, the inner side surface of the channel is provided with a plurality of first ribs which are transversely distributed, the outer side of the channel is provided with a plurality of second ribs which are vertically distributed, and an air channel formed between the second ribs is communicated with the outside;

the back of the led light source plate is attached to the surface of the radiator;

The lamp holder is used for supporting and fixing the radiator, and the LED light source board is arranged in the lamp holder;

and the lampshade is arranged outside the led light source plate.

2. The LED chimney type heat dissipation lighting device as defined in claim 1, wherein the heat sink is disposed between the lamp base and the lamp shade, the main body of the heat sink is in a bump structure, and the bump structure protrudes toward one side of the lamp shade.

3. The LED chimney type heat dissipation lighting device as defined in claim 2, wherein the channel is a cylindrical channel, the channel is disposed at a protruding end of the raised structure, and the first ribs are circumferentially and uniformly distributed on an inner wall of the cylindrical channel.

4. The LED chimney type heat dissipation lighting device as set forth in claim 3, wherein the outer surface of the raised portion of the heat sink is a convex arched surface, and the LED light source board is a flexible board body, and is attached and fixed on the arched surface.

5. The LED chimney type heat dissipation lighting device as defined in claim 2, wherein the lamp shade body is a spherical lamp shade, a notch which is attached to the edge of the raised structure is formed in one side of the lamp shade, and the lamp shade is detachably fixed on the radiator through the notch.

6. The LED chimney type heat dissipation lighting device as defined in claim 5, wherein the heat sink is provided with anti-drop clamping grooves on two sides of the raised structure, and the lamp cover is provided with clamping plates matched and inserted with the anti-drop clamping grooves at the notch.

7. An LED chimney type heat dissipation lighting device as set forth in claim 1 or 2, wherein the heat sink is provided with a vent on an outer surface of the second fin at a position where the second fin is distributed, and the air duct is communicated with the outside through the vent.

8. The LED chimney type heat dissipation lighting device as defined in claim 1, wherein a metal cap for conducting electricity is fixed at the other end of the lamp holder, and the metal cap is electrically connected with a driving power supply.

9. The LED chimney heat sink lighting apparatus of claim 8, wherein a protective cover is disposed between the driving power source and the heat sink.