CN203757663U - Radiator of LED (light emitting diode) lamp - Google Patents

Abstract

The utility model relates to a radiator. The utility model aims to provide a radiator of an LED (light emitting diode) lamp without extra cost, and the radiating property of the LED lamp is effectively improved by the radiator. The technical scheme adopted for solving the technical problem is that the radiator of the LED lamp comprises a radiator body (1); strip-shaped convex parts and/or strip-shaped grooves are arranged at the surface of the radiator body (1) at intervals. The radiator has the beneficial effects that the radiating effect is effectively enhanced by improving the surface structure of the radiator and designing a convex-concave uneven outer surface, extra cost is not required, the size space is furthest used, and the radiator is simple in structure, convenient to realize, space-saving and suitable for the LED lamp.

Description

A kind of 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 known its surface is smooth flat.

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: a kind of radiator of LED light fixture, comprise radiator body, and the spaced surface of described radiator body is provided with strip convex part and/or strip groove.

Concrete, the cross section of described strip convex part and/or strip groove is rectangle.

Concrete, the cross section of described strip convex part and/or strip groove is trapezoidal.

Further, the absolute value of the difference in height of described strip convex part and/or strip groove and radiator body is 0.01mm～0.25mm.

Preferably, the spacing of described strip convex part and/or strip groove is 0.01mm～0.25mm.

Preferably, the angle in the sideline of described strip convex part and/or strip groove and radiator body is 0 °～180 °.

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 strip convex part, and 22 is strip groove.

Detailed description of the invention

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

The radiator of a kind 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 strip convex part 21 and/or strip groove 22.

This programme can effectively improve spreader surface structure, utilize cross section can increase area of dissipation for rectangle or trapezoidal strip convex part 21 and/or strip groove 22, 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.Strip convex part 21 and/or strip groove 22 are easy to processing, can effectively reduce difficulty of processing.

Embodiment 1

As shown in Fig. 3 and 4, a kind of radiator of LED light fixture, the spaced surface of its radiator body 1 is provided with strip convex part 21, particularly its cross section can be trapezoidal, in addition can be also rectangle, but trapezoidal larger than rectangular tables area, effectively increasing heat radiation area.Take cross section as example as rectangle, described strip convex part 21 is 0.01mm～0.25mm with the difference in height of radiator body 1, to form rough surface, can not affect the normal use of radiator, and can not increase cost.Distance between described strip convex part 21 is 0.01mm～0.25mm, to make strip convex part 21 numbers of radiator unit are reasonable, if strip convex part 21 is crossed the strip convex part 21 that is equal to nothing at most, can not show the superiority that design like this is set; If it is also not obvious that strip convex part 21 is crossed the radiating effect of optimizing at least.In addition, the size of strip convex part 21, quantity and arrangement mode are unrestricted, optimize heat radiation as long as can realize, and increase area of dissipation.Concrete, strip convex part 21 can be 0 °～180 ° with the angular range in the sideline of radiator body 1, can become any angle to distribute, for example, can parallelly distribute, also can angle vertical distribution in 90 ° etc.

Strip convex part 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, strip convex part 21 can be strip projection, and its length can be consistent with the length of radiator body 1, or shorter than the length of radiator body 1.

Embodiment 2

As shown in Fig. 5 and 6, a kind of radiator of LED light fixture, the spaced surface of its radiator body 1 arranges strip groove 22, and particularly its cross section can be trapezoidal, can be also rectangle in addition, but trapezoidal larger than rectangular tables area, effectively increasing heat radiation area.Take cross section as example as rectangle, described radiator body 1 is 0.01mm～0.25mm with the difference in height of strip groove 22, can form rough surface, the contact area between surface and the air of the radiator body 1 of increase, can not affect the normal use of radiator, and can not increase cost.Distance between described strip groove 22 is 0.01mm～0.25mm, to make strip groove 22 numbers of radiator unit are reasonable, if strip groove 22 is crossed the strip groove 22 that is equal to nothing at most, can not show the superiority that design like this is set; If the radiating effect after 22 optimizations of strip groove is also not obvious.In addition, the size of strip groove 22, quantity and arrangement mode are unrestricted, optimize heat radiation as long as can realize, and increase area of dissipation.Concrete, strip groove 22 can distribution parallel with the sideline of radiator body 1, also can form any angle and distribute, and as angle vertical distribution in 90 ° etc., its angular range is 0 °～180 °.

In addition, the length of strip groove 22 can be consistent with the length of radiator body 1, or shorter than the length of radiator body 1.

Further, in another technical scheme of the present utility model, a kind of radiator of LED light fixture, the surface of its radiator body 1 can be arranged at intervals with strip groove 22 and strip convex part 21.Described strip convex part 21 is 0.02mm～0.5mm with the difference in height of strip groove 22, can not affect the normal use of radiator body 1, also can not increase extra cost.Distance between described strip convex part 21 and strip groove 22 is 0.01mm～0.25mm, with effective increasing heat radiation area, strengthens radiating effect.

In summary, the surface of radiator of the present utility model is rule or irregular surface, and the contact area between surface and air increases, and effectively increases area of dissipation.Be subject to the impact of strip convex part 21 and the size of strip groove 22, when its difference in height, more the area of hour its increase is less, and its processing will increase difficulty, and its difference in height more may well be destroyed the structure of radiator body 1.

Claims (6)

1. a radiator for LED light fixture, comprises radiator body (1), it is characterized in that, the spaced surface of described radiator body (1) is provided with strip convex part (21) and/or strip groove (22).

2. the radiator of a kind of LED light fixture as claimed in claim 1, is characterized in that, the cross section of described strip convex part (21) and/or strip groove (22) is rectangle.

3. the radiator of a kind of LED light fixture as claimed in claim 1, is characterized in that, the cross section of described strip convex part (21) and/or strip groove (22) is trapezoidal.

4. the radiator of a kind of LED light fixture as described in claim 1 or 2 or 3, is characterized in that, described strip convex part (21) and/or strip groove (22) are 0.01mm～0.25mm with the absolute value of the difference in height of radiator body (1).

5. the radiator of a kind of LED light fixture as described in claim 1 or 2 or 3, is characterized in that, the spacing of described strip convex part (21) and/or strip groove (22) is 0.01mm～0.25mm.

6. the radiator of a kind of LED light fixture as claimed in claim 1, is characterized in that, described strip convex part (21) and/or strip groove (22) are 0 °～180 ° with the angle in the sideline of radiator body (1).