CN201340858Y

CN201340858Y - Heat radiation structure of light emitting diode

Info

Publication number: CN201340858Y
Application number: CNU200820208041XU
Authority: CN
Inventors: 游祺连; 邹东兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-01
Filing date: 2008-09-01
Publication date: 2009-11-04
Anticipated expiration: 2018-09-01

Abstract

The utility model relates to a light emitting diode heat radiation structure, it includes: a heat dissipating body, the heat dissipating body further comprising: the radiating fins are provided with folded surfaces and are provided with at least one buckling groove and a buckling arm corresponding to the buckling groove; wherein the heat dissipation body is formed by combining the buckling arm and the buckling groove of the adjacent heat dissipation sheet. The LED heat radiation structure can utilize the face setting of rolling over of this fin, increases heat radiating area in order to reach full radiating effect, and then actively promotes LED's luminous efficacy and life.

Description

Light emitting diode (LED) radiating structure

Technical field

The utility model relates to a kind of radiator structure, refers to that especially a kind of combination is applied to the heat radiation of light-emitting diode, in order to the luminous efficiency of lifting light-emitting diode and the light emitting diode (LED) radiating structure in useful life.

Background technology

Existing light-emitting diode is widely used in luminous lighting equipment, owing to can produce thermal source during the light-emitting diode running, and thermal source is to the luminous efficiency of light-emitting diode and can produce considerable influence useful life, heat dissipation problem when therefore making the light-emitting diode running, must obtain adequate solution, in order to service efficiency and the application range that promotes light-emitting diode.See also Fig. 1, a kind of light emitting diode (LED) radiating structure of prior art, comprise: a heat radiator body 1a, this heat radiator body 1a includes a hollow sleeve 11a and a plurality of fin 12a, this complex cooling fin 12a is welded in the outer ring surface of this hollow sleeve 11a, gets rid of the thermal source of light-emitting diode in order to conduction.Though the light emitting diode (LED) radiating structure of the prior art can reach the effect of heat radiation, yet, because this fin 12a is sheet always, in limited space, can't fill the radiating effect that a area of dissipation that part utilizes this space maximum reaches the best, the necessity that is broken through, improves is really arranged again.Moreover this complex cooling fin 12a, and avoids or the operation that reduces the welding processing procedure is a trend in the environmental protection on this hollow sleeve 11a with solder bond,, so the necessity that is improved is in the lump also arranged based on compliance with environmental protection requirements.

Therefore, the utility model is developed a kind of light emitting diode (LED) radiating structure that has more better cooling efficiency and meet feature of environmental protection manufacturing in view of not attaining the desirable fact on disappearance problem in its heat radiation use of light emitting diode (LED) radiating structure of aforementioned prior art and the structural design thereof.

Summary of the invention

One of the purpose of this utility model is to provide kind of a light emitting diode (LED) radiating structure, it can make full use of the confined space and increase area of dissipation, in order to reach the light-emitting diode thermal source is produced better radiating effect, and then actively promote the luminous efficiency and the useful life of light-emitting diode.

Two of the purpose of this utility model is to provide a kind of light emitting diode (LED) radiating structure, and it is in order to avoid welding manner produces the binding location of fin, in order to positive compliance with environmental protection requirements.

Be achieved through the following technical solutions for realizing the purpose of this utility model and solving its technical problem.

A kind of light emitting diode (LED) radiating structure described in the utility model comprises:

One heat radiator body, it comprises:

A plurality of fin, this fin have at least one folding face, and this fin is provided with at least one fastening device;

Wherein this fin is that this fastening device by this fastening device and adjacent this fin is interlockingly connected, in order to be combined into this heat radiator body of ring-type link.

In the utility model, wherein this fastening device includes a snap groove and snapping arm.

In the utility model, wherein should the folding face also be provided with at least one thrust and a pair of punching that should thrust.

In the utility model, wherein should also be provided with at least one perforation by the folding face.

In the utility model, ora terminalis that wherein should the folding face also is provided with at least one groove.

In the utility model, a side that wherein should the folding face also is provided with a protuberance, and the another side then is provided with a recess relatively.

In the utility model, this protuberance that wherein should the folding face is a circular protrusions or strip convex part, and this recess is a circular depressions or strip recess.

In the utility model, wherein this snap groove is a trapezoidal shape.

In the utility model, wherein this snap groove has one first space and one second space, and this snapping arm has a pair of clamping part and a pair of support sector that should second space that should first space, during snapping, after this support sector and this clamping part passed this first space earlier, continuing made this support sector be positioned at this second space and this buckle part outside this second space.

In the utility model, wherein this heat radiator body top is installed with a heat-radiating substrate, and this heat-radiating substrate is provided with a light emitting diode base plate, and this light emitting diode base plate is provided with a light-emitting diode.

The beneficial effects of the utility model are: light emitting diode (LED) radiating structure provided by the utility model has following advantage at least:

1. the utility model can utilize the folding face setting of this fin, increases area of dissipation and fills part purpose of heat radiation to reach.

2. the folding face of this fin of the utility model more can further be provided with groove, protuberance, recess, thrust and the punching etc. that can increase radiating effect, makes and more promotes its radiating efficiency.

3. the utility model is to form heat radiator body in fin snapping mode, thus can keep away a large amount of welding operations that remove on making, in order to take fail safe and compliance with environmental protection requirements into account.

Description of drawings

Fig. 1 is a prior art light emitting diode (LED) radiating structure stereogram;

Fig. 2 is the light emitting diode (LED) radiating structure stereogram of the utility model first embodiment;

Fig. 3 is the fin stereogram of the light emitting diode (LED) radiating structure of the utility model first embodiment;

Fig. 4 is the constitutional diagram of adjacent two fin of the light emitting diode (LED) radiating structure of the utility model first embodiment;

Fig. 5 is the fin stereogram of the light emitting diode (LED) radiating structure of the utility model second embodiment;

Fig. 6 is the fin stereogram of the light emitting diode (LED) radiating structure of the utility model the 3rd embodiment;

Fig. 7 is the fin stereogram of the light emitting diode (LED) radiating structure of the utility model the 4th embodiment;

Fig. 8 is the fin stereogram of the light emitting diode (LED) radiating structure of the utility model the 5th embodiment;

Fig. 9 is the light emitting diode (LED) radiating structure stereogram of the utility model Application Example.

The figure number explanation:

1 heat radiator body, 11 fin

111 folding faces, 110 fastening devices

1111 perforation, 1112 grooves

1113 strip convex parts, 1114 strip recesses

1115 circular protrusions, 1116 circular depressions

1118 punchings of 1117 thrusts

112 snap grooves, 1,121 first spaces

1,122 second spaces, 113 snapping arms

1131 support sectors, 1132 clamping parts

2 heat-radiating substrates, 3 light emitting diode base plates

4 light-emitting diodes

Embodiment

Further understand and understanding for the auditor is had architectural feature of the present utility model and the effect reached, in order to preferred embodiment and cooperate detailed explanation, be described as follows:

At first, see also Fig. 2 to Fig. 4, first embodiment for the utility model light emitting diode (LED) radiating structure, comprise: a heat radiator body 1, this heat radiator body 1 further includes a plurality of fin 11, this fin 11 has a plurality of folding faces 111 in horizontal direction, the inside line of this fin 11 is provided with the snapping arm 113 at snap groove 112 and relative these snap groove 112 places at longitudinal direction, the fastening device 110 that this snap groove 112 and snapping arm 113 form on this fin 11, certainly, this fastening device 110 can also other snapping modes be implemented, and usually, this snap groove 112 and snapping arm 113 are to dash to establish and corresponding formation on this fin 11, and make adjacent fin 11 its snap grooves 112,113 on snapping arm is corresponding overlapped state, promptly the snapping arm 113 of this fin 11 can be overlapped in the snap groove 112 of adjacent fin 11, and in better embodiment, this snap groove 112 (or snapping arm 113) is presented at least, following mode is laid on this fin 11, to guarantee the steadiness of 11 bindings of this fin; Moreover, this snap groove 112 is a trapezoidal shape, this snap groove 112 has one first space 1121 and one second space 1122, and this snapping arm 113 has a pair of clamping part 1132 and a pair of support sector 1131 that should second space 1122 that should first space 1121, when adjacent fin 11 makes up snappings, the support sector 1131 of this fin 11 and this clamping part 1132 pass this first space 1121 of adjacent fin 11 earlier, continue and make this support sector 1131 be positioned at this second space 1122 and this clamping part 1132 is equipped in outside this second space 1122, so reach the effect of mutual snapping, and form this heat radiator body 1 that ring-type links.And, be to be provided with plurality of through holes 1111 on the folding face 111 of this fin 11, making increases the convection current of air in this perforation 1111, in order to promote the radiating effect of this heat radiator body 1.

The utility model second embodiment (as shown in Figure 5) is different from the first embodiment place, is that the last ora terminalis (or following ora terminalis) of the folding face 111 of this fin 11 also is provided with plural groove 1112, can further promote the effect of its thermal convection like this.

The utility model the 3rd embodiment (as shown in Figure 6) is different from the first embodiment place, the two sides that are this folding face 111 are provided with plural number corresponding protuberance and recess setting, in this embodiment, one side of this folding face 111 is provided with laterally (or vertically) strip convex part 1113, and the another side then is provided with the strip recess 1114 of a correspondence, wherein, this strip convex part 1113 and strip recess 1114 institute's integrated punching on this folding face 111 forms, and can increase the area of its heat radiation like this.

The utility model the 4th embodiment (as shown in Figure 7) is different from the 3rd embodiment place, this protuberance that is a side of this folding face 111 is a circular protrusions 1115, and this recess of another side is the circular depressions 1116 of a correspondence, this circular protrusions 1115 and circular depressions 1116 institute's integrated punching on this folding face 111 forms, and can increase the area of its heat radiation like this.

The utility model the 5th embodiment (as shown in Figure 8) is different from the first embodiment place, be that this folding face 111 also is provided with a plurality of thrusts 1117 and to punching 1118 that should thrust 1117, this punching 1118 and thrust 1117 institute's one on this folding face 111 is dashed and is established corresponding formation, can increase the area of heat radiation and the effect of lifting thermal convection like this.

See also Fig. 9, it is the utility model Application Example, as shown in the figure, this heat radiator body 1 top is to be provided with a heat-radiating substrate 2, this heat-radiating substrate 2 is the screw lock mode to be fixedly arranged on this heat radiator body 1, these heat-radiating substrate 2 tops are to be provided with a light emitting diode base plate 3, then are provided with (as a binding) light-emitting diode 4 on this light emitting diode base plate 3.The thermal source that this light-emitting diode 4 is produced in the use will the discharge of being dispelled the heat by this light emitting diode base plate 3, heat-radiating substrate 2 and heat radiator body 1.

Therefore, the utility model light emitting diode (LED) radiating structure has following advantage at least:

In sum, it only is a preferred embodiment of the present utility model, be not to be used for limiting the scope that the utility model is implemented, all according to impartial for it variation of the described shape of the utility model claim scope, structure, feature and spiritual institute and modification, all should be included in the claim scope of the present utility model.

Claims

1. a light emitting diode (LED) radiating structure is characterized in that, comprising:

One heat radiator body, it comprises:

2. light emitting diode (LED) radiating structure according to claim 1 is characterized in that, wherein this fastening device includes a snap groove and snapping arm.

3. light emitting diode (LED) radiating structure according to claim 1 is characterized in that, wherein should the folding face also be provided with at least one thrust and a pair of punching that should thrust.

4. light emitting diode (LED) radiating structure according to claim 1 is characterized in that, wherein should also be provided with at least one perforation by the folding face.

5. light emitting diode (LED) radiating structure according to claim 1 is characterized in that, ora terminalis that wherein should the folding face also is provided with at least one groove.

6. light emitting diode (LED) radiating structure according to claim 1 is characterized in that, a side that wherein should the folding face also is provided with a protuberance, and the another side then is provided with a recess relatively.

7. light emitting diode (LED) radiating structure according to claim 6 is characterized in that, this protuberance that wherein should the folding face is a circular protrusions or strip convex part, and this recess is a circular depressions or strip recess.

8. light emitting diode (LED) radiating structure according to claim 2 is characterized in that wherein this snap groove is a trapezoidal shape.

9. light emitting diode (LED) radiating structure according to claim 8, it is characterized in that, wherein this snap groove has one first space and one second space, and this snapping arm has a pair of clamping part and a pair of support sector that should second space that should first space, during snapping, after this support sector and this clamping part passed this first space earlier, continuing made this support sector be positioned at this second space and this buckle part outside this second space.

10. light emitting diode (LED) radiating structure according to claim 1 is characterized in that, wherein this heat radiator body top is installed with a heat-radiating substrate, and this heat-radiating substrate is provided with a light emitting diode base plate, and this light emitting diode base plate is provided with a light-emitting diode.