CN102305391A

CN102305391A - Fined radiator

Info

Publication number: CN102305391A
Application number: CN201110251268A
Authority: CN
Inventors: 范金晶
Original assignee: ELR (SHANGHAI) CO LTD
Current assignee: ELR (SHANGHAI) CO LTD
Priority date: 2011-08-29
Filing date: 2011-08-29
Publication date: 2012-01-04

Abstract

The invention relates to a fined radiator. By the fined radiator, the radiating area is enlarged but the occupation space of a radiating body is not influenced. The finned radiator comprises a fin component which comprises a plurality of fins, wherein one or more bent pieces extend from at least one edge of the fins, and the bent pieces are bent into the radiator. The fin component can be made into a round shape, a linear shape or other shapes, and can be optionally combined with a base.

Description

Fin radiator

Technical field

The present invention relates to radiator, especially relate to a kind of fin radiator.

Background technology

Light emitting diode (LED) is a kind ofly to radiate the optoelectronic semiconductor component of bright dipping through the applied voltage excitation electron, because of it has the advantage that power consumption is low and the life-span is long, the trend that replaces existing conventional incandescent bulb illumination is arranged in recent years.

Yet along with the development of high-capacity LED, the heat that it produced also improves gradually, makes heat dissipation technology become present most important problem.Application of LEDs must cooperate high efficiency cooling mechanism reducing the junction temperature of LED as far as possible on the new light sources of illumination, the advantage of competence exertion LED, otherwise the luminosity of lighting device, service life will be had a greatly reduced quality.

Present some LED lighting device has been installed radiator and has been reduced the LED temperature, and typical radiator is a fin radiator.

Fin radiator is made up of fin component and thermal source base usually.The thermal source base provides the place that contacts with thermal source, heat is transmitted to supply on the fin to reject heat on the air then.The effect of fin is how with the fastest speed heat to be passed in the air, effectively the heat of thermal source is loose, and keeps thermal source working under the temperature reliably.

From the requirement of compact conformation, fin radiator need reach the bigger area of dissipation of ratio in limited space.But the area of dissipation of the fin radiator in same space still has the space of lifting.With one Chinese patent application 200810037241.8 is example, and fin radiator 6 is radial interval by center to extension, and fin outside bending forms kuppe.If promote the efficient of radiator, must increase the size and the corresponding space of radiator, or widen, or increase.But, must make corresponding improvement in internal structure if in limited space, promote radiating efficiency.

Summary of the invention

Technical problem to be solved by this invention provides a kind of fin radiator, increases area of dissipation but does not influence taking up room of radiator.

The present invention is that to solve the problems of the technologies described above the technical scheme that adopts be to propose a kind of fin radiator; Comprise a fin component; This fin component comprises a plurality of fins, and wherein the part fin is extended with the bending sheet from least one edge at least, and the bending sheet is to the inner bending of radiator.

In one embodiment of this invention, a plurality of fins of this fin component are arranged in circle.

In one embodiment of this invention, this bending sheet is to extend from the outer rim that is positioned on the circular circumference of this fin.

In one embodiment of this invention, a plurality of fins of this fin component are arranged in a straight line.

In one embodiment of this invention, each fin of this fin component is rectangular.

In one embodiment of this invention, each fin of this fin component is fan-shaped.

In one embodiment of this invention, this bending sheet is one or more pieces.

In one embodiment of this invention, multi-disc bending sheet is bent into wave-like.

In one embodiment of this invention, this fin radiator also comprises a base, combines with this fin component.

The present invention is owing to adopt above technical scheme; Make it compared with prior art; Have following remarkable advantage: increase area of dissipation through increasing the bending sheet, and the area that increases towards the inner bending of integral heat sink device, this wrap direction does not increase radiator integral structure occupation space.

Description of drawings

For allow above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, elaborate below in conjunction with the accompanying drawing specific embodiments of the invention, wherein:

Figure 1A, 1B are respectively a kind of single fin expanded view and shaping figure of existing radiator.

Fig. 2 A, 2B are respectively the single fin expanded view and the shaping figure of the radiator of one embodiment of the invention.

Fig. 3 A, 3B are respectively the single fin expanded view and the shaping figure of the radiator of another embodiment of the present invention.

Fig. 4 is the stereogram of the radiator of one embodiment of the invention.

Fig. 5 is the vertical view of the radiator of one embodiment of the invention.

Fig. 6 is the sketch map that has installed the fin that button selects additional of one embodiment of the invention.

Fig. 7 is that the use button of one embodiment of the invention is selected the sketch map that combines fin.

Fig. 8 A, 8B illustrate the radiator of another embodiment of the present invention.

The specific embodiment

Say that summarily towards the inner bending of integral heat sink device, this wrap direction can reach the increase area of dissipation but not influence integrally-built space the area of single fin increase in the present invention.

Fig. 2 A, 2B are respectively the single fin expanded view and the shaping figure of the radiator of one embodiment of the invention.For the ease of comparing, Figure 1A, Figure 1B illustrate a kind of single fin expanded view and shaping figure of existing radiator.In Figure 1A, 1B, 2A, 2B, dotted portion is a bending line.Shown in Figure 1A, fin 10 is to be the element of radial fin radiator as center to extension.Fin 10 has

brace

11,12,13 originally respectively at outer rim, inner edge and root edge, and they are by extremely about 90 degree of relative fin 10 main bent parts, so that be connected with adjacent fin.Relatively Figure 1A and Fig. 2 A can know, the fin 20 of present embodiment increases by 2

bending sheets

24,25 except having roughly rectangular body and

brace

21,22,23 in the fin outer rim.Bending sheet the 24, the 25th extends from brace 21, and to the inner bending of radiator, shown in Fig. 2 B.

Although in the connection that realizes adjacent fins 20 with

brace

21,22,23 shown in Fig. 2 A, Fig. 2 B, be appreciated that this mode is not restriction of the present invention.20 of adjacent fins can link to each other in body center.When not having brace 21,

bending sheet

24,25 will be directly from the outer rim of fin 20 to the inner bending of radiator.

In addition, the outer rim that

bending sheet

24,25 is not limited to be located at fin 20 can also be located at the apical margin or the root edge of fin 20.

In the above-described embodiments, formed bending structure is 2 bendings, but the area that actual conditions can increase as required, adjustment angle bending and quantity realize a heavy or multiple bending, increase area of dissipation.For example, Fig. 3 A, 3B illustrate the single fin expanded view and the shaping figure of the radiator of another embodiment of the present invention.In Fig. 3 A, fin 30 increases by 4

bending sheets

34,35,36,37 except having roughly rectangular body and

brace

31,32,33 in the fin outer rim.Bending sheet the 34,35,36, the 37th extends from brace 31, and to the inner bending of radiator, shown in Fig. 3 B.

In an embodiment of the present invention, be preferably to these

bending sheets

24,25 of the inner bending of fin and bending

sheet

34,35,36,37 and be bent into waveform.

Fin after the moulding can use existing assembling mode to form a round radiator.Fig. 4 is the stereogram of an exemplary radiator.In Fig. 4, radiator 200 has base 210, on base 210, is provided with fin component 220.Base 210 contacts with thermal source, and the combination of base 210 and fin component 220 can be with welding or the hydropexis of Low ESR heat-conducting glue, keeps the heat transmission.

Fin component 220 is interconnected by a plurality of fins 20 and constitutes, and has the gap between each fin 20, and these bending sheets to the inner bending of radiator promptly are arranged in the gap between fin.Fig. 5 is the vertical view of the radiator of Fig. 4, the area that obviously visible radiator increases from Fig. 5, and promptly bending sheet part all is to extend toward radiator is inner, does not increase the radiator integral occupation space.

The assembling of realization radiator need be used the button point, could be the incorporated radiator of fins set.Fig. 6 is the sketch map that has installed the fin that button selects additional of one embodiment of the invention.Fig. 7 is that the use button of one embodiment of the invention is selected the sketch map that combines fin.With reference to Fig. 6, shown in Figure 7, the fin 60 after the moulding respectively is provided with 2 and buckles a little 62 in the both sides at brace 61 places.2 adjacent fins 60 are fixing with button point 62 mutually, so repeat to become a circular radiator.

In other embodiments, each fin of fin component also can be other Any shape, and each fin also can be arranged in other shapes, does not limit at this.For example, Fig. 8 A illustrates the stereogram of the radiator 800 of another embodiment of the present invention, and Fig. 8 B illustrates the vertical view of this radiator.Each fin of the fin component 810 of radiator 800 roughly is fan-shaped, and is arranged in a straight line.Therefore, design of the present invention can realize increasing the effect of area of dissipation on various difform fin radiators.

Though the present invention discloses as above with preferred embodiment; Right its is not that any those skilled in the art are not breaking away from the spirit and scope of the present invention in order to qualification the present invention; When can doing a little modification and perfect, so protection scope of the present invention is when being as the criterion with what claims defined.

Claims

1. a fin radiator comprises a fin component, and this fin component comprises a plurality of fins, and wherein the part fin is extended with the bending sheet from least one edge at least, and said bending sheet is to the inner bending of radiator.

2. fin radiator as claimed in claim 1 is characterized in that, a plurality of fins of this fin component are arranged in circle.

3. fin radiator as claimed in claim 2 is characterized in that, this bending sheet is to extend from the outer rim that is positioned on the circular circumference of this fin.

4. fin radiator as claimed in claim 1 is characterized in that, a plurality of fins of this fin component are arranged in a straight line.

5. fin radiator as claimed in claim 1 is characterized in that, each fin of this fin component is rectangular.

6. fin radiator as claimed in claim 1 is characterized in that, each fin of this fin component is fan-shaped.

7. fin radiator as claimed in claim 1 is characterized in that, this bending sheet is a slice.

8. fin radiator as claimed in claim 1 is characterized in that, this bending sheet is a multi-disc.

9. fin radiator as claimed in claim 1 is characterized in that, multi-disc bending sheet is bent into wave-like.

10. fin radiator as claimed in claim 1 is characterized in that this fin radiator also comprises a base, combines with this fin component.