CN102166711A

CN102166711A - Method for manufacturing radiator and radiator thereof

Info

Publication number: CN102166711A
Application number: CN2010101146106A
Authority: CN
Inventors: 黄昱博; 郭东荣
Original assignee: KUNSHAN JUZHONG ELECTRONICS CO Ltd
Current assignee: KUNSHAN JUZHONG ELECTRONICS CO Ltd
Priority date: 2010-02-26
Filing date: 2010-02-26
Publication date: 2011-08-31

Abstract

The invention discloses a method for manufacturing a radiator and a radiator thereof. The method comprises the following steps of: preparing a metal strip; providing a spraying device to spray one surface of the metal strip so as to form a metal coating layer; providing a punching device to cut and mold the metal strip which is subjected to the steps so as to form a radiating fin; and stacking a plurality of radiating fins. In addition, the invention also provides a radiator manufactured by the method. Therefore, due to the adoption of the method for manufacturing the radiator, the manufactured radiator can effectively enlarge the radiating superficial area and improve radiating efficiency; moreover, the combining stability and weldability between the radiator and heterogeneous materials can be improved.

Description

The preparation method of radiator and radiator thereof

Technical field

The present invention relates to a kind of structure and method of radiator, relate in particular to a kind of preparation method and manufactured goods thereof of radiator.

Background technology

Along with after the arithmetic speed of the processor (as: CPU) of computer constantly promoted, the heat that it produced is also more and more higher, add the electronic product that utilizes this a little processor to produce out, also constantly design towards microminiaturization and miniaturization, so with the radiator of the heat that solves these a little processors, how this establishes accordingly and do to change then is to be engaged in heat radiation industry institute focus.

Existing radiator, mainly combined by a plurality of radiating fin, these a plurality of radiating fin major parts are all made with materials such as copper or aluminium, though wherein have the preferable heat dissipation of leading with the made radiating fin of copper product, it is to be overcome to have problems such as Heavy Weight and cost height.In addition, with the made radiating fin of aluminum, though can solve aforementioned Heavy Weight and cost height, but have the not problem of copper radiating fin as described above of thermal diffusivity of leading in addition, and these a plurality of aluminium radiating fins are when combining with dissimilar materials such as copper, all must be once more through operations such as nickel plating, just can make its can with the combination of copper heat-conducting plate or copper heat pipe; The present invention is based on aforementioned reason and following innovation is carried out in this case.

Summary of the invention

A purpose of the present invention is to provide a kind of preparation method and manufactured goods thereof of radiator, and it can enlarge cooling surface area effectively and increase heat dissipation; And can improve its with dissimilar material between combine stable degree and weldability.

To achieve the above object, the invention provides a kind of radiator, it comprises a plurality of radiating fins, one surface of each this radiating fin forms a metal coating layer with spraying method, at least one end at arbitrary this radiating fin is bent with a flanging, and any two adjacent these radiating fins are with this flanging composition that splices mutually.

To achieve the above object, the invention provides a kind of preparation method of radiator, its method step comprises:

A) metal material belt of getting everything ready;

B) provide a spray equipment, with this spray equipment one surface of this metal material belt is sprayed and be formed with a metal coating layer;

C) provide a decompressor, with this decompressor this metal material belt through step b) is carried out blanking and moulding and constitute a radiating fin; And

D) the mutual storehouse winding of a plurality of these radiating fins is formed.

The present invention also has following effect, and it is direct spraying copper product on the radiating fin of aluminum surface, therefore needn't carry out processing such as nickel plating to radiating fin, not only environmental protection and can reduce every costs such as material and processing.

Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.

Description of drawings

Fig. 1 radiator of the present invention is made flow chart;

Fig. 2 metal material belt of the present invention is processed schematic diagram with spray equipment;

Fig. 3 radiating fin stereo appearance figure of the present invention;

Fig. 4 radiating fin group of the present invention and heat-conducting plate three-dimensional exploded view;

Fig. 5 radiating fin group of the present invention and heat-conducting plate combination schematic diagram;

Fig. 6 radiating fin group of the present invention and heat-conducting plate assembled sectional view;

Fig. 7 is the a-quadrant partial enlarged drawing of Fig. 6;

Another embodiment of Fig. 8 radiator of the present invention makes up schematic diagram.

Wherein, Reference numeral

Metal material belt 100,100a

Radiating fin 10

Surface 11

flangings

12,13

Septal pathways 14 grooves 15

Metal coating layer 20

Heat-conducting plate 30

Groove 31

Heat pipe 40

Spray equipment 6

The specific embodiment

Relevant detailed description of the present invention and technology contents cooperate graphic being described as follows, yet appended graphic reference and the explanation usefulness of only providing not is to be used for the present invention is limited.

See also Fig. 4 to shown in Figure 7, the present invention provides a kind of radiator, it is combined by a plurality of radiating fin that splices mutually 10, each radiating fin 10 is made with the good material of thermal conductivity such as aluminum or aluminum alloy, surface 11 at arbitrary radiating fin 10 forms a metal coating layer 20 with spraying method, this metal coating layer 20 is to can be the good materials of thermal conductivity such as nickel, copper or its alloy, and it is to be formed on aforesaid surperficial 11 with irregular rough surface.In addition, the upper/lower terminal of each radiating fin 10 respectively bending forming two

flangings

12,13 of mutual correspondence are arranged, so as to utilize these a

little flangings

12,13 with and adjacent radiating fin 10 between be formed with a septal pathways 14.Again, metal coating layer 20 is formed in each radiating fin 10 by on the outer surface after bending.In addition, this radiating fin 10 also can be single flanging 12 or 13 kenels (scheming not shown).

Moreover, radiator of the present invention also comprises a heat-conducting plate 30, this heat-conducting plate 30 is that to can be the good material of thermal conductivity such as copper or its alloy made, and the aforementioned metal coating layer 20 that is formed on flanging 12 outsides is closely connected mutually with the surface of heat-conducting plate 30 and engages through mode of heating.

See also Fig. 1 to shown in Figure 7, preparation method flow chart and each structure chart of difference radiator of the present invention, its method step comprises:

A) metal material belt 100 of getting everything ready; This metal material belt 100 is made with the good material of thermal conductivity such as aluminum or aluminum alloy.

B) provide a spray equipment 6, spray with a surface of 6 pairs of metal material belts 100 of spray equipment and be formed with a metal coating layer 20; Be that mode for it with spray copper (Cu Plasma Injection) herein.Can do the spraying coating at all surfaces or the part surface of metal material belt 100 in addition.

C) provide a decompressor, with decompressor the metal material belt 100a through step b) is carried out blanking and moulding and constitute a radiating fin 10; This radiating fin 10 is to be formed as a U word shape, and upper/lower terminal bending forming respectively has two

flangings

12,13 of mutual correspondence.In like manner, be to offer a groove 15 (as shown in Figure 8) at an aforementioned flanging 12 (or 13) wherein in this step.In addition, this radiating fin 10 also can be other literal or geometry constitutes, and the kenel with present embodiment is not used as restriction; As flanging 12 above omitting.

D) a plurality of radiating fin 10 mutual storehouse windings are formed.Any two adjacent radiating fins 10 are with aforesaid two

flangings

12,13 composition that splices mutually, and are formed with a heat dissipation channel 14 (as shown in Figure 6) between adjacent radiating fin 10.

In addition, the preparation method of radiator of the present invention, it is also to comprise a step e), this step e) heat-conducting plate 30 of getting everything ready after step d), and a plurality of radiating fins 10 are arranged on the heat-conducting plate 30.

Again, also comprise a step f) after the step e), this step f) provides a heating apparatus, with heating apparatus each radiating fin 10 and heat-conducting plate 30 is heated, and connects each radiating fin 10 and heat-conducting plates 30 with metal coating layer 20.Wherein each radiating fin 10 and heat-conducting plate 30 are to utilize mode of heating, and make metal coating layer 20 be welded in each radiating fin 10 and heat-conducting plate 30.

Moreover the preparation method of radiator of the present invention is can a step e ') substitute abovementioned steps e), this step e ') heat pipe 40 of getting everything ready, an end of heat pipe 40 is penetrated (as shown in Figure 8) in the groove 15.

In like manner, at step e ') also comprise a step f ' afterwards), this step f ') heating apparatus is provided, to each radiating fin 10 and heat pipe 40 heating, and connect each radiating fin 10 and heat pipes 40 (as shown in Figure 8) with heating apparatus with metal coating layer 20.Wherein each radiating fin 10 and heat pipe 40 are to utilize mode of heating, and make metal coating layer 20 be welded in each radiating fin 10 and heat pipe 40.

See also shown in Figure 8, radiator of the present invention also comprises a heat-conducting plate 30 and a heat pipe 40, the middle position of its flanging 13 below each radiating fin 10 is provided with a groove 15, on heat-conducting plate 30, also offer a groove 31 in addition equally, because metal coating layer 20 is to be sprayed on each radiating fin 10, therefore an end of heat pipe 40 heats and thermal bonding metal coating layer 20 after penetrating aforementioned grooves 15, and the other end of heat pipe 40 penetrates in the groove 31 of heat-conducting plate 30; So, heat pipe 40 and heat-conducting plate 30 can be together to form the radiator of another embodiment of the present invention.

Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims

1. the preparation method of a radiator is characterized in that, step comprises:

A) metal material belt of getting everything ready;

2. the preparation method of radiator according to claim 1 is characterized in that, this radiating fin in the step c) is a U word shape, two flangings with mutual correspondence.

3. the preparation method of radiator according to claim 2 is characterized in that, also comprises a step e), this step e) heat-conducting plate of getting everything ready after this step d), should be arranged on this heat-conducting plate by a plurality of radiating fins.

4. the preparation method of radiator according to claim 3, it is characterized in that, after this step e), also comprise a step f), this step f) provides a heating apparatus, with this heating apparatus these a plurality of radiating fins and this heat-conducting plate are heated, and connect these a plurality of radiating fins and this heat-conducting plate with this metal coating layer.

5. the preparation method of radiator according to claim 1 is characterized in that, this radiating fin in the step c) is a U word shape, two flangings with mutual correspondence, and this flanging therein offers a groove.

6. the preparation method of radiator according to claim 5 is characterized in that, also comprises a step e ' after this step d)), this step e ') heat pipe of getting everything ready, an end of this heat pipe is penetrated in this groove.

7. the preparation method of radiator according to claim 6, it is characterized in that, at this step e ') also comprise a step f ' afterwards), this step f ') provides a heating apparatus, with this heating apparatus these a plurality of radiating fins and this heat pipe are heated, and connect these a plurality of radiating fins and this heat pipe with this metal coating layer.

8. radiator, it is characterized in that, comprise a plurality of radiating fins, a surface of each this radiating fin forms a metal coating layer with spraying method, at least one end at arbitrary this radiating fin is bent with a flanging, and any two adjacent these radiating fins are with this flanging composition that splices mutually.

9. radiator according to claim 8 is characterized in that, this radiating fin is an aluminum.

10. radiator according to claim 8 is characterized in that, this metal coating layer is copper or nickel material.

11. radiator according to claim 8 is characterized in that, the surface of this metal coating layer is an irregular matsurface.

12. radiator according to claim 11 is characterized in that, also comprises a heat-conducting plate, this heat-conducting plate and this metal coating layer thermal bonding.

13. radiator according to claim 11 is characterized in that, also comprises a heat pipe, these a plurality of radiating fins offer a groove of mutual correspondence, an end of this heat pipe be contained in this groove and with this metal coating layer thermal bonding.

14. radiator according to claim 13 is characterized in that, also comprises a heat-conducting plate, the other end thermo-contact of this heat-conducting plate and this heat pipe.