CN203757662U - Radiator for LED (light-emitting diode) lamp - Google Patents

Abstract

The utility model relates to a radiator and provides a radiator for an LED (light-emitting diode) lamp which can effectively improve the radiating performance of the LED lamp without extra cost. The technical scheme is that the radiator for the LED lamp comprises a radiator body, wherein arc-shaped convex parts are arranged on the surface of the radiator body at intervals. The radiator for the LED lamp has the beneficial effects that through improving the structure of the surface of the radiator and designing the rugged surface, the radiating area can be increased, so that the radiating effect is effectively enhanced without extra cost, and the size space is maximally utilized, and the radiator is simple in structure, convenient to realize and space-saving. The radiator is suitable for the LED lamp.

Description

The radiator of LED light fixture

Technical field

The utility model relates to a kind of radiator, especially relates to a kind of radiator of LED light fixture.

Background technology

When LED work, only having small part energy conversion is luminous energy, and most energy is all converted into heat energy, therefore on LED product, must distribute the heat that LED itself produces with a large amount of heat sink materials.The heat sink material being usually used on LED is as the metal material such as aluminium, copper, or as nonmetallic materials such as graphite, heat radiation plastic cement.

Conventionally, for being delivered to airborne mode fast by above-mentioned medium, the heat that LED is produced has two kinds: one is active heat removal, and one is passive heat radiation.In fact active heat removal is exactly to increase heat radiation, and its implementation has the area of dissipation of increasing or reduces environment temperature etc.; Passive heat radiation is called again forced heat radiation, and its implementation has the air flow property of increasing or liquid cooling etc.The radiating mode above-mentioned two kinds of modes nothing more than that adopt on LED product at present.

And in practice, the product of LED light source class, as LED bulb lamp or LED shot-light etc., because being subject to the size restrictions of international and domestic standard, in order to meet the demand of certain power, can not the unconfined size by product strengthen to increase area of dissipation.And its operation environment is generally normal temperature state, the temperature that reduces environment that we also can not be artificial, also loses more than gain if adopt spent in this way resource.Also having at present some ways is to adopt forced heat radiation, adopts and needs in this way to increase auxiliary equipment, as fan and heat pipe etc., will increase cost and the bulk etc. of product.The structure of existing radiator is as shown in Fig. 1 and 2, and the surface of known radiator body 1 is shiny surface.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of radiator of the LED light fixture without extra cost, can effectively improve the heat dispersion of LED light fixture.

The utility model solves the technical scheme that its technical problem adopts: the radiator of LED light fixture, comprise radiator body, and the spaced surface of described radiator body is provided with protuberance, and described protuberance is circular-arc.

Further, the difference in height of described protuberance and radiator body is 0.02mm～0.5mm.

Concrete, the distance between described protuberance is 0.02mm～0.5mm.

For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: the radiator of LED light fixture, comprise radiator body, and the spaced surface of described radiator body is provided with recess, and described recess is circular-arc.

Concrete, the difference in height of described radiator body and recess is 0.02mm～0.5mm.

Further, the distance between described recess is 0.02mm～0.5mm.

For solving the problems of the technologies described above, the another technical scheme that the utility model adopts is: the radiator of LED light fixture, comprise radiator body, and the spaced surface of described radiator body is provided with recess and protuberance, and described recess and protuberance are all circular-arc.

Concrete, the difference in height of described protuberance and recess is 0.1mm～1mm.

The beneficial effects of the utility model are: by improving spreader surface structure, designing rough appearance can increase area of dissipation, thereby effectively strengthens radiating effect, without extra cost, the maximized dimensional space of utilizing, and simple in structure, be convenient to realize, save space.The utility model is applicable to LED light fixture.

Brief description of the drawings

Fig. 1 is the surface texture schematic diagram of prior art radiator;

Fig. 2 is the sectional view of prior art radiator;

Fig. 3 is the surface texture schematic diagram of the utility model embodiment 1;

Fig. 4 is the sectional view of the utility model embodiment 1;

Fig. 5 is the surface texture schematic diagram of the utility model embodiment 2;

Fig. 6 is the sectional view of the utility model embodiment 2;

Wherein, 1 is radiator body, and 21 is circular-arc protuberance, and 22 is circular-arc recess.

Detailed description of the invention

Below in conjunction with drawings and Examples, the utility model is further illustrated.

As shown in Fig. 3 and 4, the radiator of LED light fixture of the present utility model, comprises radiator body 1, and the spaced surface of described radiator body 1 is provided with protuberance, and described protuberance is circular-arc, i.e. circular-arc protuberance 21.

As shown in Fig. 5 and 6, another technical scheme that the utility model adopts is: the radiator of LED light fixture, comprise radiator body 1, and the spaced surface of described radiator body 1 is provided with recess, and described recess is circular-arc, i.e. circular-arc recess 22.

The another technical scheme that the utility model adopts is: the radiator of LED light fixture, comprise radiator body 1, and the spaced surface of described radiator body 1 is provided with recess and protuberance, and described recess and protuberance are all circular-arc.

Above-mentioned each scheme all can effectively be improved spreader surface structure, rough appearance can increase area of dissipation, strengthen radiating effect, substantially do not change the contour structure size of former radiator, the maximized physical dimension of utilizing, mode with respect to existing other additional devices of increase can be saved installing space, and without extra cost.Circular-arc protuberance 21 and circular-arc recess 22 are easy to processing, can effectively reduce difficulty of processing.

Embodiment 1

As shown in Fig. 3 and 4, the radiator of LED light fixture, the spaced surface of its radiator body 1 is provided with circular-arc protuberance 21.Described circular-arc protuberance 21 is 0.02mm～0.5mm with the difference in height of radiator body 1, to form rough surface.Circular-arc protruding 21 form circular-arc particle, its size diameter can be arbitrary value in theory, but its size is subject to the thickness of radiator material own and the isoparametric restriction of size, therefore circular-arc protruding 21 material thicknesses that can not exceed radiator body 1, be subject to the impact of cost or appearance effect simultaneously, therefore, circular-arc protuberance 21 is selected above-mentioned scope with the difference in height of radiator body 1, and the diameter range of circular-arc protuberance 21 also can be above-mentioned scope.Circular-arc protuberance 21 is generally close-packed arrays, so can increase substantially area of dissipation, therefore its spacing is generally its diametral distance, distance between circular-arc protuberance 21 is 0.02mm～0.5mm, to make circular-arc protuberance 21 numbers of radiator unit are reasonable, if protuberance is crossed the circular-arc protuberance 21 that is equal to nothing at most, can not show the superiority that design like this is set; If protuberance is crossed and is not easy at least the radiating effect that reaches optimum.In addition, the size of circular-arc protuberance 21, quantity and arrangement mode are unrestricted, optimize heat radiation as long as can realize, and increase area of dissipation.Circular-arc protuberance 21 can form disposable molded surface structure by Mould Machining in radiator formed product, and processing charges that needn't be extra and material cost, control cost.In addition, protuberance can also be the circular-arc bulge-structures such as circular-arc burr.

Embodiment 2

As shown in Fig. 5 and 6, the radiator of LED light fixture, the spaced surface of its radiator body 1 is provided with circular-arc recess 22, radiator body 1 is 0.02mm～0.5mm with the difference in height of circular-arc recess 22, can form rough surface, the contact area between surface and the air of the radiator body 1 of increase.The size of circular-arc recess 22 can be arbitrary value in theory, but its size is subject to the thickness of radiator material own and the isoparametric restriction of size, therefore can not exceed radiator body material thickness, be subject to the impact of cost or appearance effect simultaneously, therefore, radiator body 1 is selected above-mentioned scope with the difference in height of circular-arc recess 22, and the diameter range of circular-arc recess 22 also can be above-mentioned scope.Circular-arc recess 22 is generally close-packed arrays, so can increase substantially area of dissipation, therefore its spacing is generally its diametral distance, distance between circular-arc recess 22 is 0.02mm～0.5mm, to make circular-arc recess 22 numbers of radiator unit are reasonable, if circular-arc recess 22 is crossed the circular-arc recess 22 that is equal to nothing at most, can not show the superiority that design like this is set; If circular-arc recess 22 is not easy to the radiating effect that reaches optimum excessively at least.In addition, the size of circular-arc recess 22, quantity and arrangement mode are unrestricted, optimize heat radiation as long as can realize, and increase area of dissipation.Circular-arc recess 22 can form disposable molded surface structure by Mould Machining in radiator formed product, and processing charges that needn't be extra and material cost, control cost.In addition, described recess can be designed as arc-shaped groove or other circular-arc concave structures.

Further; the surface of the radiator body 1 of LED light fixture of the present utility model can be arranged at intervals with circular-arc recess and circular-arc protuberance; described circular-arc recess can be the structures such as arc-shaped groove, and circular-arc protuberance can be the structure such as circular-arc particle or circular-arc burr of protruding.Now, the difference in height scope of circular-arc protuberance and circular-arc recess is 0.04mm～1mm, can form rough surface, the contact area between surface and the air of the radiator body 1 of increase.

In summary, the surface of radiator of the present utility model is rule or irregular curved surface, and the contact area between surface and air increases, and effectively increases area of dissipation.Be subject to the impact of curved surface size, in the time being more tending towards straight line, the area of its increase is less, simultaneously neither its curved surface size the smaller the better, and when more hour being also tending towards plane, its processing will increase difficulty.

Claims (8)

1. The radiator of 1.LED light fixture, comprises radiator body (1), it is characterized in that, the spaced surface of described radiator body (1) is provided with protuberance, and described protuberance is circular-arc.
2. 2. the radiator of LED light fixture as claimed in claim 1, is characterized in that, the difference in height of described protuberance and radiator body (1) is 0.02mm～0.5mm.
3. 3. the radiator of LED light fixture as claimed in claim 1, is characterized in that, the distance between described protuberance is 0.02mm～0.5mm.
4. The radiator of 4.LED light fixture, comprises radiator body (1), it is characterized in that, the spaced surface of described radiator body (1) is provided with recess, and described recess is circular-arc.
5. 5. the radiator of LED light fixture as claimed in claim 4, is characterized in that, described radiator body (1) is 0.02mm～0.5mm with the difference in height of recess.
6. 6. the radiator of LED light fixture as claimed in claim 4, is characterized in that, the distance between described recess is 0.02mm～0.5mm.
7. The radiator of 7.LED light fixture, comprises radiator body (1), it is characterized in that, the spaced surface of described radiator body (1) is provided with recess and protuberance, and described recess and protuberance are all circular-arc.
8. 8. the radiator of LED light fixture as claimed in claim 7, is characterized in that, the difference in height of described protuberance and recess is 0.04mm～1mm.