CN2845166Y

CN2845166Y - Heat-pipe radiator and fin thereof

Info

Publication number: CN2845166Y
Application number: CN 200520109016
Authority: CN
Inventors: 陈国星; 林暄智; 陈庆鸿
Original assignee: 陈国星; 林暄智; 陈庆鸿
Current assignee: Huahong Precise Corp.
Priority date: 2005-06-08
Filing date: 2005-06-08
Publication date: 2006-12-06
Anticipated expiration: 2015-06-08

Abstract

A kind of heat-pipe radiator and fin thereof, this heat-pipe radiator includes a plurality of fin and heat pipe.Wherein, respectively this fin has the en plaque body, on this body, offer perforation, stretch out at this perforation periphery and to be formed with flange, this flange is the closed ring body, be formed with a plurality of grooves at its inner wall of ring body face, and an end of heat pipe is arranged in the perforation of this fin respectively, and is the folded socket of pulling of each flange ring body; Thus, can form pulling effect of elastic clip to the outside of this heat pipe, increasing the fixing tightness of each fin and heat pipe, thus the thermal conduction effect and the radiating efficiency of raising heat-pipe radiator.

Description

Heat-pipe radiator and fin thereof

Technical field

The utility model relates to a kind of heat-pipe radiator and fin thereof, relates in particular to a kind of being located on the electronic heating component, but the outside of opposite heat tube forms pulling effect of elastic clip, with the increase respectively heat-pipe radiator and the fin thereof of the fixing tightness of this fin and heat pipe.

Background technology

Progress along with Information technology and computer industry, the caloric value of electronic building brick such as central processing unit chip, internal memory is more and more high, and size is more and more little, for the heat that this is intensive effectively is dispersed in the environment outside the system, keep the following operation of assembly in permissive temperature, usually be additional on the electronic building brick surface of heating with fin, or, increase its overall radiating efficiency to increase the rotating speed of radiator fan with big base area; Thus, will derive relevant issues such as noise, weight, cost and system complexity, make that above-mentioned respectively this scheme is not the good plan that solves the electronic building brick heat radiation.

At present aspect the heat radiation of electronic heating component, utilize heat pipe to have characteristics such as high capacity of heat transmission, flash heat transfer, high thermoconductivity, in light weight, simple in structure and multipurpose, can transmit a large amount of heat and not consume electric power, therefore be fit to very much the radiating requirements of electronic product; Therefore with heat pipe in conjunction with the formed heat-pipe radiator of fin, become the important topic that solves heat radiation.

Known heat-pipe radiator, mainly comprise: a plurality of fin and heat pipe, each fin has the en plaque body, centre at this body offers a plurality of perforation, stretch out at the periphery of each perforation and to be provided with flange, the inner edge shape of this flange is greater than the outer rim shape of heat pipe, and is coated with heat-conducting medium at the internal face of each flange or the outer surface of heat pipe.During combination, heat pipe concatenation in the perforation of each fin, again with the hot melting mode of heating, is combined into heat-pipe radiator.

Yet, above-mentioned known heat-pipe radiator since the flange inner wall shape of each fin greater than the outer rim shape of heat pipe, the low melting point heat-conducting medium certainly will be between the two contacts, be coated with, therefore the coating of heat-conducting medium, the manufacturing cost of hot melt operation and the use cost of material will be increased.Secondly, the assembling process in by avoiding the perforated inwall of heat-conducting medium to be struck off, will strengthen the inner edge radius of this perforation, but when the outer rim shape difference distance of inner edge shape of boring a hole and heat pipe is excessive, to make the long-pending more minimizing of heat pipe and each fin direct contact surface, and behind a large amount of coated with thermally conductive media, the thermal conduction rate of this heat-conducting medium is far below the thermal conduction rate of heat pipe or fin, and makes the radiating efficiency of this heat-pipe radiator and thermal conduction effect not good.

So, the design people is in view of the defective that exists in the above-mentioned prior art, rely on the sector experience for many years of being engaged in, and at the problem points that can improve, be to concentrate on studies and cooperate actual utilization, in line with excelsior spirit, propose a kind of reasonable in design and effectively improve the utility model of the problems referred to above point finally.

The utility model content

Main purpose of the present utility model is to provide a kind of heat-pipe radiator and fin thereof, and this heat-pipe radiator comprises: a plurality of fin and heat pipe.Wherein, respectively this fin has the en plaque body, offers perforation on this body; Stretching out at this perforation periphery is formed with flange, and this flange is the closed ring body; Be formed with a plurality of grooves at its inner wall of ring body face.And an end of this heat pipe is arranged in the perforation of this fin respectively, and is the respectively folded socket of pulling of this flange ring body.

The utility model utilizes the internal face of flange ring body to have a plurality of grooves, but the outside of opposite heat tube forms pulling effect of elastic clip, increasing the fixing tightness of each fin and heat pipe, thus the thermal conduction effect and the radiating efficiency of raising heat-pipe radiator.

Description of drawings

Fig. 1 is the stereoscopic figure of the utility model fin;

Fig. 2 is the partial enlarged drawing of A part among Fig. 1;

Fig. 3 is the local amplification plan view of A part among Fig. 1;

Fig. 4 is the local amplification view of A part among Fig. 1;

Fig. 5 is the fin of the utility model embodiment and the combination schematic diagram of heat pipe;

Fig. 6 is the fin of the utility model embodiment and the combination enlarged drawing of heat pipe.

In the accompanying drawing, the list of parts of each label representative is as follows:

The 1-fin

11-body 12-perforation

13-flange 131-groove

132-extension 14-breach

The 15-flanging

The 16-through hole

The 17-barricade

The 2-heat pipe

The 21-heating end

The 22-condensation end

Embodiment

Relevant feature of the present utility model and technology contents see also following detailed description and accompanying drawing, and accompanying drawing only provides reference and explanation, is not to be used for the utility model is limited.

Fig. 1 is the stereoscopic figure of fin of the present utility model; Fig. 2 to Fig. 4 is respectively partial enlarged drawing, local amplification plan view and the local amplification view of A part among Fig. 1.The utility model provides a kind of heat-pipe radiator and fin thereof, and as shown in Figures 1 to 4, this heat-pipe radiator comprises: a plurality of fin 1 and at least one heat pipe 2 (as shown in Figure 5), wherein:

Fin 1 is made with aluminium, copper or other thermal conductivity good metal material, and it has en plaque body 11.On body 11, offer at least one perforation 12, offer four perforation in the present embodiment.Stretch out and be formed with flange 13 at perforation 12 peripheries, flange 13 is the closed ring body, be formed with a plurality of grooves that do not run through 131 at its inner wall of ring body face, each groove 131 is vertical setting and is parallel to each other, and its bottom expands outwardly along flange 13 ring bodies and is formed with extension 132 respectively, and the peripheral shape that end joined together of each extension 132 is greater than the outer rim shape of flange 13 ring bodies.Left and right two ends at body 11 are formed with breach 14 respectively, upwards are bent with flanging 15 at breach 14 root edges; Be provided with a plurality of rectangular through-hole 16 in the centre of body 11, on a side direction of through hole 16, be bent with barricade 17, and the height of flanging 15 and barricade 17 equals the ring body height of flange 13.Thus, make 1 of adjacent fin paste butt mutually and touch, and be formed with the heat radiation runner of equi-spaced apart.

Fig. 5 and Fig. 6 are respectively the combination schematic diagram and the combination enlarged drawing of fin of the present utility model and heat pipe.As Fig. 5 and shown in Figure 6, wherein, heat pipe 2 is serially connected on each fin 1, and its inside has capillary structure and working fluid.Heat pipe 2 has heating end 21 and condensation end 22, heating end 21 is used for attaching mutually with electronic heating component and contacts, and the outer rim shape of condensation end 22 is greater than the inner edge shape of flange 13 ring bodies of each fin 1, but the ring body elastic clip of each flange 13 is pulled on the condensation end 22 of heat pipe 2.

During assembling, each heat pipe 2 is vertically set in platform or the anchor clamps, and the condensation end 22 that makes heat pipe 2 up, order is socketed in each fin 10 on the condensation end 22 again, to be combined into heat-pipe radiator.Because the internal face of flange 13 ring bodies is formed with groove 131, when each fin 10 is socketed in heat pipe 2, can make the ring body of flange 13 produce the elastic dilatation distortion, and reduce the friction loss of heat pipe 2 and flange 13 inwalls, and on the condensation end 22 that is retained on heat pipe 2 of can elastic clip pulling; So, can save the coating of known heat-conducting medium, the manufacturing cost of hot melt operation and the use cost of material, more can increase the heat conduction usefulness and the radiating efficiency of heat-pipe radiator.

In sum, heat-pipe radiator of the present utility model and fin thereof have practicality, novelty and creativeness, and structure of the present utility model had not also seen like product and public use, met the requirement of utility application fully, filed an application according to Patent Law.

The above only is a preferred embodiment of the present utility model, be not so promptly limit claim of the present utility model, the equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are done, directly or indirectly be used in other relevant technical field, all in like manner be included in the claim of the present utility model.

Claims

1. a heat-pipe radiator is characterized in that, comprising:

A plurality of fin, each described fin has the en plaque body, offers at least one perforation on described body, and stretching out at described perforation periphery is formed with flange, and described flange is the closed ring body, is formed with a plurality of grooves at the internal face of described ring body; And

At least one heat pipe, the one end is arranged in the perforation of described each described fin, and is the folded socket of pulling of each described flange ring body.

2. heat-pipe radiator as claimed in claim 1, each the described groove that it is characterized in that described flange is for vertically being provided with and being parallel to each other.

3. heat-pipe radiator as claimed in claim 1, the flange bottom portion of groove that it is characterized in that described fin expands outwardly along its ring body and is formed with the extension respectively, and the peripheral shape that end joined together of each described extension is greater than the outer rim shape of flange ring body.

4. heat-pipe radiator as claimed in claim 1 is characterized in that the body two ends of described fin are formed with breach respectively, upwards is bent with flanging at described breach root edge; Be provided with a plurality of through holes in the centre of described body, on a side direction of described through hole, be bent with barricade.

5. heat-pipe radiator as claimed in claim 4 is characterized in that the height of described flanging and barricade equals the ring body height of flange.

6. as each described heat-pipe radiator among the claim 1-5, it is characterized in that described heat pipe has heating end and condensation end, described condensation end is for the socket of pulling of the flange ring body institute elastic clip of described each described fin.

7. heat-pipe radiator as claimed in claim 6, the outer rim shape of condensation end that it is characterized in that described heat pipe is greater than the inner edge shape of the flange ring body of each described fin.

8. a fin is characterized in that, it has the en plaque body, on described body, offer at least one perforation, stretching out at described perforation periphery is formed with flange, and described flange is the closed ring body, is formed with a plurality of grooves at the internal face of described ring body.

9. fin as claimed in claim 8, each the described groove that it is characterized in that described flange ring body is for vertically being provided with and being parallel to each other.

10. fin as claimed in claim 8, the bottom that it is characterized in that described each groove expands outwardly along ring body and is formed with the extension respectively, and the peripheral shape that end joined together of each described extension is greater than the outer rim shape of flange ring body.