WO2014139217A1

WO2014139217A1 - Lamp heat-dissipation device, and led bulkhead lamp

Info

Publication number: WO2014139217A1
Application number: PCT/CN2013/076340
Authority: WO
Inventors: 马志平
Original assignee: 深圳市耀嵘科技有限公司
Priority date: 2013-03-11
Filing date: 2013-05-28
Publication date: 2014-09-18
Also published as: CN103115343A; CN103115343B

Abstract

A lamp heat-dissipation device comprises a heat-conducting plate (1), a fixed ring (2), a heat-dissipation core (3), and a plurality of heat-dissipation modules (4), a heat-dissipation core bottom (301) and heat-dissipation module bottoms (401) being fixed on the heat-conducting plate (1), and a heat-dissipation core top (302) and heat-dissipation module tops (402) being fixed on the fixed ring (2); the heat-dissipation modules (4) being evenly distributed on the periphery of the heat-dissipation core (3) in a circular array, and the heat-dissipation modules (4) and the heat-dissipation core (3) forming a two-layer spaced heat-dissipation structure; and the heat-dissipation modules (4) being spaced from each other. An LED bulkhead lamp has the lamp heat-dissipation device. The lamp heat-dissipation device and the LED bulkhead lamp have a two-layer heat-dissipation structure, wherein not only the two-layer heat-dissipation structure is spaced, but also the heat-dissipation modules are spaced from each other, thereby facilitating circulation of hot gas and accelerating the heat dissipation, lightening the lamp, reducing the cost, and improving the security; therefore, the lamp heat-dissipation device and the LED bulkhead lamp can be widely applied to illumination.

Description

Light radiator and LED high bay light

TECHNICAL FIELD The present invention relates to the field of radiators and industrial and mining lamps, and in particular to a lamp radiator and an LED industrial and mining lamp.

BACKGROUND OF THE INVENTION Currently, industrial and mining lamps on the market generally use incandescent lamps or energy-saving lamps, no LED lamps are energy-saving, and there is no long life of LED lamps. The life of LED lamps can reach 50,000 hours or more, and can work in a high-speed switching state, and if the energy-saving lamps are Frequent activation or shutdown of the filament will turn black and will soon break. The LED lamp can be packaged in a solid state. It is a cold light source type. It is easy to transport and install. It can be installed in any miniature and closed equipment, and it is not afraid of vibration. In addition, the LED lamp is environmentally friendly and has no harmful substances such as mercury. The existing mining lamp also uses LED lights, but the heat sink structure of the mining lamp is a whole structure, which is an integral heat sink. The internal space is not connected to each other, resulting in poor internal flow of the heat sink, and the hot air is not easy to spread, resulting in heat dissipation. Poor performance. In addition, since the heat sink structure is a monolithic structure, the heat sink is relatively bulky and wastes material.

Summary of the invention

In view of the above disadvantages, the object of the present invention is to provide a lamp radiator which can better dissipate heat of the industrial and mining lamp and lighter weight, and effectively solve the problem of poor heat dissipation performance and heavy weight of the industrial and mining lamp in the prior art.

Another object of the present invention is to provide an LED industrial and mining lamp, which has the same A lighter radiator with better performance and lighter weight.

In order to solve the above technical problems, the present invention is achieved by the following technical solutions:

A heat sink of a lamp, comprising a heat conducting plate, a fixing ring, a heat dissipating core, and a plurality of heat dissipating modules, wherein the bottom end of the heat dissipating core and the bottom end of the heat dissipating module are fixed on the heat conducting plate, and the top end of the heat dissipating core and the top end of the heat dissipating module are fixed The heat dissipation module has a circular array distributed on the periphery of the heat dissipation core, and has two layers of heat dissipation structures with a gap between the heat dissipation cores; and a gap between the heat dissipation modules.

Preferably, the heat dissipation module comprises a small material heat sink, a large material heat sink and a closed flat heat pipe; the flat heat pipe has an L shape, and one side of the long portion of the flat heat pipe is welded with the small material heat sink. Fixed, the other side is welded and fixed with the large material heat sink; the bottom surface of the short part of the flat heat pipe and the bottom surface of the large material heat sink are welded on the heat conducting plate.

Preferably, the number of the heat dissipation modules is 3-9.

Preferably, the number of the heat dissipation modules is six.

Preferably, the heat dissipating core is a sun flower shaped heat sink having a cross-sectional shape of a sun between the Y and Y phases.

Preferably, the bottom surface of the heat dissipation core is welded to the heat conduction plate.

Preferably, the lamp radiator further comprises a over-line waterproof pressure frame and a over-line waterproof rubber ring, and the over-line waterproof pressure frame is sleeved on the over-line waterproof rubber ring and fixed on the heat conduction plate.

Preferably, the material of the heat conducting plate and the heat dissipating core is aluminum or copper; the material of the small material heat sink and the large material heat dissipating sheet is aluminum, and the surface thereof may be plated with a layer of nickel; the material of the flat heat conducting tube is aluminum.

An LED high bay light lamp having the above-mentioned lamp radiator.

Preferably, the LED high bay light is provided with a casing that is sleeved around the periphery of the lamp radiator, and the casing is provided with a hollow hole that is filled with itself (ie, the casing itself) for accelerating heat dissipation.

Compared with the prior art, the invention has the following beneficial effects: 1) The lamp radiator and LED high bay light have two layers of heat dissipation structure, and there is a gap between the two layers of heat dissipation structures, and there is also a gap between the heat dissipation modules, which is favorable for the hot air flow to pass and quickly disperse, thereby accelerating heat dissipation.

2) The lamp radiator and LED high bay lamp adopt two-layer heat dissipation structure and have gaps, which greatly reduce the weight of the lamp, not only reduce the cost, but also greatly improve the safety when hanging.

3) The lamp radiator and the LED high bay lamp have a heat dissipation module, and the heat dissipation module comprises a small material heat sink, a large material heat sink and a closed flat heat pipe, a bottom surface of a short portion of the flat heat pipe, and a bottom surface of the large material heat sink. On the heat conducting plate, and the flat heat pipe has a large contact area with the large and small material heat sinks, it is more advantageous for the heat pipe to conduct heat to the large and small material heat sinks, thereby accelerating heat dissipation.

4) The lamp radiator and LED high bay lamp have over-line waterproof pressure frame and over-line waterproof rubber ring. The over-line waterproof pressure frame is sleeved on the over-line waterproof rubber ring and fixed on the heat-conducting plate to prevent water from penetrating into the heat-conducting plate. Below, the waterproofness is fully considered, making the protection more ideal and easier to maintain.

DRAWINGS

Figure 1 is a schematic view of a heat sink of the lamp of the present invention;

Figure 2 is a view of Figure 1;

Figure 3 is an exploded perspective view of one embodiment of the heat sink of the lamp of the present invention;

Figure 4 is another exploded perspective view of the embodiment of Figure 3;

5 is a schematic view of a heat dissipation module of the lamp heat sink of the present invention;

Figure 6 is a view of Figure 5;

Figure 7 is a schematic view of a heat dissipating core of the lamp heat sink of the present invention;

Figure 8 is an enlarged schematic view of a portion of Figure 7;

Figure 9 is a schematic view showing an embodiment of the LED high bay lamp of the present invention;

Figure 10 is an exploded perspective view of Figure 9. DETAILED DESCRIPTION OF THE INVENTION In order to better understand the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments. Referring to FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 , FIG. 5 , FIG. 6 , FIG. 7 and FIG. 8 , the lamp radiator of the present invention comprises a heat conducting plate 1 , a fixing ring 2 , a heat dissipating core 3 , and 6 heat dissipating modules 4 (Because the heat sink of the lamp includes several heat dissipation modules, the number of heat dissipation modules can be designed to be 3-9, and the better effect is 6 pieces. For example, 6 heat dissipation modules are used as an example) The bottom end 301 of the core and the bottom end 401 of the heat dissipation module are fixed on the heat conducting plate 1. The top end of the heat dissipating core 302 and the top end 402 of the heat dissipating module are fixed on the fixing ring 2; the six heat dissipating modules 4 are arranged in a circular array on the heat dissipating core. 3 peripheral, and the heat dissipation core 3 is composed of a two-layer heat dissipation structure with a gap 5, and a gap 6 is formed between the heat dissipation modules 4. The lamp radiator has two layers of heat dissipation structure, and there is a gap 5 between the two layers of heat dissipation structures, and there is a gap 6 between the heat dissipation modules, which is favorable for the hot air flow to pass and quickly spread to accelerate heat dissipation.

The heat dissipation module 4 includes a small-sized heat sink 403, a large-sized heat sink 404, and a closed flat heat-conducting tube 405. The flat heat-conducting tube 405 can be L-shaped, and one side of the long portion of the flat heat-conducting tube 405 and the small-sized heat sink The sheet 403 is welded and fixed, and the other side is welded and fixed to the large-material heat sink 404, that is, the flat heat-conducting tube 405 is fixedly welded between the small-sized heat sink 403 and the large-sized heat sink 404; the bottom surface 4051 of the short portion of the flat heat-transfer tube is large The profile fin bottom surface 4041 is welded to the heat conducting plate 1. Since the flat heat pipe 405 is welded to the heat conducting plate 1, the small material heat sink 403, and the large material heat sink 404, and the flat heat pipe 405 is in contact with the heat conducting plate 1, the small material heat sink 403, and the large material heat sink 404. The large area is more advantageous for the heat of the heat conducting plate 1 to conduct heat to the small material heat sink 403 and the large material heat sink 404 through the flat heat pipe 405, thereby accelerating heat dissipation.

The heat sink module 4 can be made small, the small-sized heat sink 403, the large-size heat sink 404 includes a plurality of heat sinks, each of the heat sinks can be made thin, and only about 0.3 times the thickness of the conventional heat sink. This greatly reduces the weight of the radiator of the lamp, that is, the weight of the lamp is reduced, the safety is greatly improved when the suspension is used, and the cost is also reduced.

The heat dissipating core 3 can be a sun flower shaped radiator, and its cross-sectional shape is 1, Y-phase sun flower, which can be greatly Increase the heat dissipation area and speed up heat dissipation.

The heat-dissipating core bottom end 301 is fixed on the heat-conducting plate 1 in such a manner that the bottom surface of the heat-dissipating core is welded to the heat-conducting plate 1, so that the fixing and the connection are firm, and the heat transfer and heat dissipation can be accelerated. The lamp radiator may further comprise a cross-line waterproof pressure frame 7 and a over-line waterproof rubber ring 8. The over-line waterproof pressure frame 7 is sleeved on the over-line waterproof rubber ring 8 and fixed on the heat conduction plate 1, so as to prevent the purpose Water penetrates into the underside of the heat conducting plate 1 to make the protection more ideal and easier to maintain. In order to accelerate heat dissipation, the material of the heat conducting plate 1 and the heat dissipating core 3 may be aluminum or copper; the material of the small material heat sink 403 and the large material heat sink 404 may be aluminum, and the surface of the large and small heat sink may be plated with a layer of nickel; The material of the flat heat pipe is aluminum.

Referring to FIG. 9 and FIG. 10, the LED high bay lamp of the present invention has the above-mentioned lamp radiator. The LED high bay light can also be provided with a casing 9 which is placed around the periphery of the lamp radiator. The casing 9 is provided with an empty hole 901 which is filled with itself for accelerating heat dissipation. The LED high bay light mainly comprises a lifting ring 10, a power box cover 11, a lifting ring fastener 12, a power source 13, a power fixing piece 14, a partition plate 15, a lamp radiator, a casing 16, an LED light source plate 17, a PC cover 18, and a reflector. 19, the lifting ring 10 is fixed to the power box cover 11 by the lifting ring fastener 12, the power fixing piece 14 is used for pressing the power source 13 and fixing the power source 13 to the power source box cover 11 by the fastener; the heat sink of the lamp is placed on the outer casing In the 16th, the heat conducting plate 1 of the lamp radiator is fixed with the bottom portion 1601 of the casing through the fastener; the outer casing 16, the partition plate 15, the power box cover 11 are superposed and fixed by the fastener; the LED light source plate 17 is fixed to the heat conduction of the lamp radiator The board 1 is covered by a PC cover 18, and the reflector 19 is placed over the PC cover 18 and fixed to the bottom portion 1601 of the casing.

The lamp radiator and the LED high bay lamp of the invention have two layers of heat dissipation structure, can accelerate heat dissipation, and the lamp has light weight, reduces cost, improves safety during use, and fully considers waterproofness, and the protection effect is more ideal, maintenance easier.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. It should be understood by those skilled in the art that all modifications, equivalents, and improvements made within the spirit and scope of the invention are included in the scope of the invention.

Claims

Claim

A heat sink for a lamp, comprising: a heat conducting plate, a fixing ring, a heat dissipating core, and a plurality of heat dissipating modules, wherein the bottom end of the heat dissipating core and the bottom end of the heat dissipating module are fixed on the heat conducting plate, the top of the heat dissipating core, The heat dissipation module has a top end fixed on the fixing ring; the heat dissipation module is arranged in a circular array on the periphery of the heat dissipation core, and forms a two-layer heat dissipation structure with a gap between the heat dissipation core; and the heat dissipation module has a gap therebetween.

The heat sink module of claim 1 , wherein the heat dissipation module comprises a small material heat sink, a large material heat sink and a closed flat heat pipe; the flat heat pipe has an L shape and a flat shape. One side of the long part of the heat pipe is welded and fixed to the small material heat sink, and the other side is welded and fixed to the large material heat sink; the bottom surface of the short part of the flat heat pipe and the bottom surface of the large material heat sink are welded on the heat conductive plate.

The luminaire heat sink according to claim 2, wherein the number of the heat dissipation modules is 3-9.

The luminaire heat sink according to claim 2, wherein the number of the heat dissipation modules is six.

The luminaire heat sink according to claim 2, wherein the heat dissipating core is a sun-shaped heat sink having a cross-sectional shape of a sun between the Y and Y phases.

6. The luminaire heat sink according to claim 2, wherein the heat dissipating core bottom surface is welded to the heat conducting plate.

The luminaire heat sink according to claim 2, wherein the luminaire heat sink further comprises a over-line waterproof pressure frame and a line waterproof apron, and the over-line waterproof pressure frame is sleeved on the over-line waterproof rubber ring Upper and fixed on the heat conducting plate.

The luminaire heat sink according to claim 2, wherein the heat conducting plate and the heat dissipating core The material is aluminum or copper; the small heat sink, the material of the large heat sink is aluminum; the material of the flat heat pipe is aluminum.

An LED high bay lamp, characterized by comprising the lamp radiator of any one of claims 1-8.

10. The LED high bay lamp according to claim 9, wherein the LED high bay lamp is provided with a casing that is sleeved around a periphery of the lamp radiator, and the casing is provided with a hollowing-out hollow space for accelerating heat dissipation. hole.