CN2627650Y

CN2627650Y - Heat radiating fin structure having flow guiding function

Info

Publication number: CN2627650Y
Application number: CN 03244043
Authority: CN
Inventors: 王勤文; 王占篱; 王派酋; 王勤彰
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-04-16
Filing date: 2003-04-16
Publication date: 2004-07-21
Anticipated expiration: 2013-04-16

Abstract

The utility model provides a heat radiating fin structure having flow guiding function, with the heat radiating fins consisting of a plurality of metal fins. Each of the metal fins has a main body with a plurality of arc-shaped flow deflectors are arranged with spaces between each other on the main bodies of fins, wherein the plurality of flow deflectors are arranged on the main bodies in an eudipleural way and the heights of the flow deflectors increase sequentially outwards. When the fan works and blows cold air towards the metal fins, the cold air is conducted by the fins to discharge outwards to achieve higher efficiency of heat radiation.

Description

Heat radiation fin structure with diversion function

Technical field

The utility model relates to a kind of heat radiation fin structure with diversion function, refer to especially a kind ofly be applicable to the folded form radiating fin, but air-guiding discharge fast, have the heat radiation fin structure of better cooling efficiency.

Background technology

Known radiating fin commonly used has three kinds of aluminium extruded type, die-casting die and folded forms, the manufacturing of aluminium extruded type and die-casting die radiating fin is because of being subject to mechanical process capacity, its density (total area of dissipation of unit volume) is limited, therefore be used for the more and more high heat generating component of caloric value, its volume or weight can increase thereupon, the folded form radiating fin then can have higher density, and therefore the trend that replaces aluminium extruded type and die-casting die radiating fin gradually arranged.

See also Fig. 1, it is a kind of known folded form radiating fin 10, it is in the mechanical stamping mode a plurality of metal fins 11 to be struck out both sizings, this metal fins 11 is to make with thermal conductivity good metal materials such as copper or aluminium, this metal fins 11 respectively has a body 12, these body 12 downsides are connected with flanging 13, on this body 12 and be provided with connecting structure 14, this connecting structure 14 is made up of trip 15 and draw-in groove 16, make above-mentioned a plurality of metal fins 11 can utilize trip 15 and draw-in groove 16 to fasten mutually and link storehouse, form the radiating fin 10 of certain volume thus.Then above-mentioned a plurality of metal fins 11 can be utilized the flanging 13 of body 12 downsides, be engaged on the heat-conducting block (figure slightly), so that utilize this heat-conducting block to be attached on the heat generating component surface, in order to assist heat radiation in modes such as gummed or welding.In addition, above this radiating fin 10, be provided with a fan (figure slightly), when fan is driven, cold air all around can be blowed to metal fins 11, be used for assisting radiating fin 10 heat radiations.

Above-mentioned known radiating fin 10, fashionable in the fans drive air flow stream, because hot gas can't be discharged fast, make hot gas remain in a standstill easily, the related metal fins 11 that makes can't be dispelled the heat normally, and its radiating efficiency is had a greatly reduced quality, and is difficult to reach the radiating effect of expection.

As from the foregoing, above-mentioned known heat radiation fin structure on reality is used, obviously has inconvenience and exists with defective, and have much room for improvement.

The utility model proposes a kind of reasonable in design and can effectively improve the heat radiation fin structure with diversion function of above-mentioned defective thus.

The utility model content

Main purpose of the present utility model, be to provide a kind of heat radiation fin structure with diversion function, it has curved flow deflector, by flow deflector special arrangement and shape build-up of pressure difference, guide radiating airflow and form, air-guiding discharges fast, makes radiating fin can have preferable radiating efficiency.

In order to reach above-mentioned purpose, the utility model provides a kind of heat radiation fin structure with diversion function, this radiating fin is made up of a plurality of metal fins, above-mentioned a plurality of metal fins respectively has a body, be interval with a plurality of curved flow deflectors on this body, discharge fast so as to air-guiding.

Above-mentioned flow deflector is by this body by integral forming, and left and right symmetry is arranged at intervals on this body.And flow deflector is to increase progressively height from inside to outside in regular turn.

The body downside of above-mentioned metal fins is connected with flanging, and above-mentioned a plurality of metal fins are that the flanging by the body downside is engaged on the heat-conducting block.

The body of above-mentioned metal fins is provided with connecting structure, this connecting structure has by the integrated first interlocking post of body and the second interlocking post, this first interlocking post and the inner hollow form that forms of the second interlocking post, the first interlocking post is that tight fit is embedded in the second interlocking post of another adjacent metal fins, makes above-mentioned a plurality of metal fins utilize connecting structure interlocking storehouse to form radiating fin.

The external diameter of the above-mentioned first interlocking post makes between this first interlocking post and the second interlocking post and forms stair-stepping stop section less than the external diameter of the second interlocking post, makes between described metal fins and the metal fins and keeps constant spacing.

The beneficial effects of the utility model are: by using this metal fins structure, but air-guiding discharge fast, can reach preferable radiating efficiency, it goes back saving of work and time in assembling, assembling operation is simply easy, can significantly reduce cost.

For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.

Description of drawings

Fig. 1 is the three-dimensional exploded view of known heat radiation fin structure;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is a three-dimensional combination figure of the present utility model;

Fig. 4 is a cutaway view of the present utility model;

Fig. 5 is an end view of the present utility model;

Fig. 6 is the cutaway view of the utility model user mode.

Wherein, description of reference numerals is as follows:

10 radiating fins

11 metal fins, 12 bodies, 13 flangings

14 connecting structures, 15 trips, 16 draw-in grooves

20 radiating fins

21 metal fins, 22 bodies, 23 flangings

24 connecting structures, 25 first interlocking posts, 26 second interlocking posts

27 stop sections, 28 flow deflectors

30 heat-conducting blocks

40 heat generating components

50 fans

Embodiment

See also Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the utility model provides a kind of heat radiation fin structure with diversion function, this radiating fin 20 is in the mechanical stamping mode a plurality of metal fins 21 punching out to be become set size, this metal fins 21 is to make with thermal conductivity good metal materials such as copper or aluminium, above-mentioned a plurality of metal fins 21 respectively has a body 22, these body 22 downsides are connected with a flanging 23, and this flanging 23 and body 22 are in vertical state; Because of above-mentioned radiating fin is general identical with known configurations, be not the category that the utility model is applied for a patent, so no longer given unnecessary details.

The body 22 of this metal fins 21 is provided with one or more connecting structures 24, makes above-mentioned a plurality of metal fins 21 can utilize connecting structure 24 to connect storehouse, to form the radiating fin 20 of certain volume.The number that this connecting structure 24 is provided with can be optionally and suitable increase and decrease, and present embodiment is respectively to be provided with four connecting structures 24 on the body 22 of each metal fins 21.This connecting structure 24 has by body 22 integrated one first interlocking posts 25 and one second interlocking post 26, this first interlocking post 25 is connected in this second interlocking post, 26 front ends, this first interlocking post 25 and this second interlocking post 26 are to protrude in this body 22 1 sides (front side), this first interlocking post 25 and this second interlocking post 26 inner hollow forms that form, these second interlocking post, 26 rear ends form the opening shape, the external diameter of this first interlocking post 25 is less than the external diameter of this second interlocking post 26, make between this first interlocking post 25 and this second interlocking post 26 and form stair-stepping stop section 27, and the external diameter of this first interlocking post 25 is the internal diameters greater than this second interlocking post 26, the first interlocking post 25 of this metal fins 21 can tight fit be embedded in the second interlocking post 26 of another adjacent metal fins 21 of front side, make above-mentioned a plurality of metal fins 21 can utilize connecting structure 24 interlocking storehouses, to form the radiating fin 20 of certain volume.

Be provided with a plurality of flow deflectors 28 on the body 22 of this metal fins 21 in addition, above-mentioned a plurality of flow deflector 28 is one-body molded by body 22, above-mentioned a plurality of flow deflector 28 is that left and right symmetry is arranged at intervals on this body 22, above-mentioned a plurality of flow deflector 28 is curved, and above-mentioned a plurality of flow deflector 28 increases progressively height from inside to outside in regular turn, promptly be positioned at radiating fin 20 the most inboard flow deflectors 28 and be positioned at lower height, be positioned at radiating fin 20 outermost flow deflectors 28 and be positioned at higher height; Can form the heat radiation fin structure with diversion function of the present utility model by above-mentioned composition.

As shown in Figure 6, radiating fin 20 of the present utility model is the flangings 23 that utilize body 22 downsides of metal fins 21, be engaged on the heat-conducting block 30 in modes such as gummed or welding, this heat-conducting block 30 is also made with thermal conductivity good metal materials such as copper or aluminium, so that utilize this heat-conducting block 30 to be attached on heat generating component 40 surfaces, assist heat generating component 40 heat radiations by this radiating fin 20.In addition, a fan 50 is set above this radiating fin 20, is used for assisting heat generating component 40 heat radiations, when this fan 50 is driven, cold air all around can be blowed to above-mentioned a plurality of metal fins 21, be used for assisting this radiating fin 20 heat radiations.

The utility model is the folded form radiating fin, it has the high density area of dissipation, and the metal fins 21 of radiating fin 20 is utilized connecting structure 24 radiating fin 20 of interlocking storehouse formation certain volume continuously, be engaged on the heat-conducting block 30 more in the lump, do not need metal fins 21 being engaged on the heat-conducting block 30 one by one, saving of work and time in the assembling can significantly reduce cost.

Connecting structure 24 of the present utility model is made up of the stamping forming first interlocking post 25 on the body 22 and the second interlocking post 26, its simple structure, moulding is easy, and above-mentioned a plurality of metal fins 21 is utilized the first interlocking post 25 and the second interlocking post 26 interlocking binding mutually, but Rapid Combination, and bond strength is preferable, and the situation that is difficult for getting loose being arranged, separating takes place, and assembling operation is simply easy.In addition, when above-mentioned a plurality of metal fins 21 utilizes the first interlocking

post

25 and 26 interlockings of the second interlocking post to link, can utilize stop section 27 that the effect of block location is provided, make between metal fins 21 and the metal fins 21 and can keep constant spacing easily, assembling is easily simple.

The utility model mainly is to be provided with curved flow deflector 28 on the body 22 of this metal fins 21, above-mentioned a plurality of flow deflector 28 is arranged to increase progressively in regular turn from inside to outside highly, by flow deflector 28 special arrangement and shape build-up of pressure difference, guide radiating airflow and form, fully use flow deflector 28 diversion modes, air-flow is discharged fast, impel radiating fin 20 can have preferable radiating efficiency, to reach the radiating effect of expection.

The above only is preferred embodiment of the present utility model, be not in order to limit claim of the present utility model, for the those of ordinary skill in described field, the equivalent structure that utilization the utility model specification and graphic content are done changes, and all should be included in the scope of the present utility model.

Claims

1. heat radiation fin structure with diversion function, described radiating fin is made up of a plurality of metal fins, and above-mentioned a plurality of metal fins respectively have a body, it is characterized in that, are interval with a plurality of curved flow deflectors on the described body.

2. the heat radiation fin structure with diversion function as claimed in claim 1 is characterized in that, described flow deflector is by described body by integral forming.

3. the heat radiation fin structure with diversion function as claimed in claim 1 is characterized in that, described flow deflector is that left and right symmetry is arranged at intervals on the described body.

4. the heat radiation fin structure with diversion function as claimed in claim 1 is characterized in that, described flow deflector is to increase progressively height from inside to outside in regular turn.

5. the heat radiation fin structure with diversion function as claimed in claim 1 is characterized in that, the body downside of described metal fins is connected with flanging, and described a plurality of metal fins are engaged on the heat-conducting block by the flanging of described body downside.

6. the heat radiation fin structure with diversion function as claimed in claim 1, it is characterized in that, the body of described metal fins is provided with connecting structure, described connecting structure has by the integrated first interlocking post of body and the second interlocking post, described first interlocking post and the inner hollow form that forms of the described second interlocking post, the first interlocking post tight fit of described metal fins is embedded in the second interlocking post of another adjacent metal fins, and described a plurality of metal fins interlockings are stacked into described radiating fin.

7. the heat radiation fin structure with diversion function as claimed in claim 6, it is characterized in that, the external diameter of the described first interlocking post is less than the external diameter of the described second interlocking post, form stair-stepping stop section between described first interlocking post and the described second interlocking post, keep constant spacing between described metal fins and the metal fins.