CN2356422Y

CN2356422Y - Integrated circuit radiator

Info

Publication number: CN2356422Y
Application number: CN 98248690
Authority: CN
Inventors: 陈恒隆
Original assignee: Hongsong Precision Industry Co ltd
Current assignee: Hongsong Precision Industry Co ltd
Priority date: 1998-11-17
Filing date: 1998-11-17
Publication date: 1999-12-29
Anticipated expiration: 2008-11-17

Abstract

The utility model relates to an integrated circuit radiator. A plurality of overlapped radiating fins with certain intervals are arranged on a flat base; air circulating passages are formed between the radiating fins; additionally, the base is provided with an n-shaped upper cover covering each radiating fin. A radiation fan is positioned at an opening of one end of the base corresponding to the upper cover, and the flow direction of an air outlet of the radiation fan is mutually parallel to each radiating fin passage; therefore, the radiator forms a closed type inner tube structure. Thus, the integral radiating area of the radiator can be increased appropriately, and the dissipation of the radiating air current can be avoided, so the integral radiating effect of the radiator is improved generally.

Description

Cooling integrated device

The utility model relates to the heat-exchange apparatus in a kind of general heat exchange field, particularly relates to the cooling integrated device of pipe air-flow in a kind of closed.

Because general integrated circuit can generate high heat when work, so big city is provided with heat abstractor on integrated circuit, the heat that is generated during the integrated circuit that sheds fast work, to guarantee the normal operation of integrated circuit, and generally existing traditional cooling integrated chip architecture is mostly by aluminium extruded type manufacturing moulding, on fin, can be formed with several pieces fin, and can be equipped with a radiator fan on the top of this fin, by means of the flow of cooled air that radiator fan is sent into, improve the radiating efficiency of fin; Yet existing traditional fin has following shortcoming in structure and use:

1, be manufacture institute moulding because of existing fin with aluminium extruded type, so the molding thickness of its radiating fin has certain restriction, so just can limit the area of dissipation of fin integral body, its radiating efficiency is restricted jointly, especially the heat radiation gross area that existing aluminium extruded type fin can provide, because of the restriction of its fin thickness reaches capacity, can't in limited space, provide enough area of dissipations.

2, each fin on the existing radiator is to be flat smooth surface, so air-flow is the state that is laminar flow, so the coefficient of heat conduction of its convection current is less, and then makes its radiating efficiency relatively poor.

3, existing fin and radiator fan are after combination, the airflow direction of radiator fan and the guiding of the air-flow between fin are to be orthogonal 90 ° of angles, be radiator fan is from top to bottom sent cold air with longitudinal direction after, when hitting the fin bottom, its cold air will change 90 ° and leave to horizontal direction, the air-flow that so just can cause being sent is behind bump fin bottom, because of the vertical turn that flows to causes vortex phenomenon, kinetic energy is lost in a large number, and cause reducing sharply of air quantity, and then make whole radiating efficiency unclear.

4, be that the structure that is open is provided with form because of existing fin, so air-flow that radiator fan is sent, hinder back upwards diffusion easily at the runner that meets with fin, cause air-flow to run off quite easily, more jump out of the unilateral characteristic of heat radiation, more can have influence on the radiating efficiency of fin integral body owing to air-flow is heated to float.

This shows that above-mentioned existing integrated circuits radiator still has many defectives, and the assistant officer waits to be improved.Because the defective that above-mentioned existing integrated circuits radiator exists, the design people is actively studied innovation, through constantly studying, designing based on abundant practical experience and professional knowledge, and after studying sample and improvement repeatedly, create the utility model finally.

Main purpose of the present utility model is, overcomes the existing defective of existing integrated circuits radiator, and a kind of cooling integrated efficiently device is provided.

The purpose of this utility model is to be realized by following technical scheme.According to a kind of cooling integrated device that the utility model proposes, it is characterized in that this radiator one flat base is provided with the folded mutually fin in a plurality of intervals, and be formed with the passage of airflow between each fin, be provided with a  font loam cake that is covered on each fin at base again, other with respect to an end opening place of loam cake, is provided with an air outlet and flows to the radiator fan that is parallel to each other with each fin channels on base.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid cooling integrated device, each fin all is rectangle lamellar bodies in the wherein said fin, be bent to form in the same way at the two opposite sides of fin edge and be provided with flanging, and on fin, be provided with at least one in conjunction with protruding pipe, and each in conjunction with protruding Guan Jun be sectional dimension gradually by root towards free end conical tube decrescence.

Aforesaid cooling integrated device, wherein said fin be provided with a plurality of be different openings towards the flow-disturbing hole, the periphery in the flow-disturbing hole then forms and is provided with the flow-disturbing guide plate.

Aforesaid cooling integrated device, wherein said radiator fan are the Hot-air fans that is the cross-flow type structure, and its air intake vent and air outlet lay respectively on the orthogonal two sides.

Aforesaid cooling integrated device, wherein said base are arranged with respectively at nearly two ora terminalis places and are formed with loam cake two ora terminalis and snap in wherein slot.

The utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the utlity model has the effect of following advantage and enhancement:

1, fin of the present utility model is to be formed through the punch forming recombinant by single lamellar body, can make the suitable attenuation of thickness of fin, increases the quantity that fin can be set on the same widths base, and increases the integral heat sink area.

2, base of the present utility model is provided with the loam cake that can seal each fin periphery, make radiator form the closed inner tube structure, when radiator fan is sent into air-flow between each fin, can avoid cold air to scatter and disappear to periphery, can allow air-flow that the heat on the fin is fully left, improve radiating effect.

3, radiator fan of the present utility model can be the cross flow fan structure, characteristic with high static pressure, formed passage is parallel to each other between the air outlet air flow direction of radiator fan and each fin simultaneously, can generate higher static pressure, the resistance that the flow-disturbing guide plate is produced on pipe and the fin in the opposing closed, air-flow is when mobile simultaneously, do not have the phenomenon of vertical corner, so the situation that can avoid air quantity hurriedly to subtract improves the air quantity of airflow between each fin, and then promotes its radiating efficiency.

4, the utility model on fin, can be provided with a plurality of different openings towards flow-disturbing hole and flow-disturbing guide plate, can allow cold air form the phenomenon of intersection convection current at the interchannel of each fin, heat on the fin can be conducted on the air-flow fully, take out of by air-flow again, the radiator integral radiating effect can be promoted comprehensively.

In sum, the utility model mainly is that a base is provided with the folded mutually fin in a plurality of intervals, and be provided with a loam cake that can seal the fin periphery, base is provided with the radiator fan that passage is parallel to each other between the air outlet flow direction and each fin in addition, make radiator form the structural form of pipe in the closed, can suitably increase the area of dissipation of radiator integral whereby, and can avoid scattering and disappearing of radiating airflow, promote the radiating effect of radiator integral comprehensively.No matter it structurally or bigger improvement is all arranged on the function, and produced handy and practical effect, and have the effect of enhancement really, thereby be suitable for practicality more, really is a new and innovative, progressive, practical new design.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is stereoscopic figure of the present utility model.

Fig. 2 is an exploded perspective view of the present utility model.

Fig. 3 is a cross-sectional schematic of the present utility model.

Fig. 4 is a schematic side view of the present utility model.

Structure stereoscopic figure when Fig. 5 is each fin assembling of the present utility model.

Structure partial cross-sectional schematic when Fig. 6 is each fin assembling of the present utility model.

Below in conjunction with accompanying drawing and preferred embodiment, to according to its concrete structure of cooling integrated device, feature and the effect thereof that the utility model proposes, describe in detail as after.

See also Fig. 1, shown in Figure 2, the cooling integrated device of the utility model, this radiator 10 mainly is to be provided with a flat base 12, base 12 is provided with the folded mutually at interval fin 20 of multi-disc, but make 20 of each fin form the passage that air feed stream passes through, other is provided with one and is  font bending and is covered in the loam cake 14 of each fin 20, the structural form that makes each fin 20 be the periphery sealing is arranged on the base 12, is provided with a radiator fan 16 with respect to loam cake 14 1 end opening places again on base 12;

See also shown in Figure 3, wherein this radiator fan 16 can be a kind of cross-flow fan structure, promptly the air intake vent of this radiator fan 16 is positioned at its end face, its air outlet then is to be positioned at its side, causing its air intake vent and air outlet to lay respectively on the two perpendicular sides, and the flow direction of radiator fan 16 air outlet air-flows and each fin 20 formed passages are parallel to each other.

So, after being assembled in radiator 10 on the integrated circuit, the heat transferred that is produced in the time of can allowing integrated circuit work is to base 12 and each fin 20, cooperate brushing of radiator fan 16 then, heat on the fin 20 can be reached air-flow earlier, and taken out of by the end opening in addition of loam cake 14, reach the effect of radiating and cooling, are in the form of sheets lamellar bodies because of each fin 20 this moment, come processing and manufacturing so can utilize stamping forming mode, and can suitably reduce the thickness of each fin 20, the quantity of the fin 20 that can be provided with on the same widths base 12 is increased, increase the area of dissipation of radiator 10 integral body, simultaneously because of each fin 20 is to be capped among the loam cake 14, so when with air-flow in radiator fan 16 is blown into loam cake 14 time, can placing restrictions on by means of loam cake 14, make unlikely outer the loosing of air-flow, improve the radiating effect of air-flow fin 20.

And, because of the air-flow of radiator fan 16 guiding is and 20 formed passages of each fin are parallel to each other, so when 20 of each fin sent into cold air by radiator fan 16, can avoid air-flow in process to each fin 20 heat radiation, the phenomenon of vertical duction takes place, keep air communication and cross air quantity in the loam cake 14, allow heat on each fin 20 can reach on the air-flow fully and taken out of.

On each fin 20, can be provided with again a plurality of have different openings towards flow-disturbing hole 22, then form the flow-disturbing guide plate 24 that is provided with different incline directions at each flow-disturbing hole 22 periphery, so can allow air-flow that radiator fan 16 blown out the time through the flow-disturbing hole 22 of each fin 20, borrow the guiding of flow-disturbing hole 22 with flow-disturbing guide plate 24, each fin 20 formed interchannel is formed wear the moving turbulent flow of distributary alternately, because pass in heat, turbulent flow has more good heat than laminar flow and passes effect, so can allow the heat on the fin 20 conduct to fully on the air-flow, and take out of, and can improve the radiating efficiency of radiator 10 whereby by air-flow.

In addition, see also shown in Figure 2, the structure of each fin 20, can be designed to a rectangular lamellar body, each is bent to form in the same way and is provided with a flanging on the relative both side edges of fin 20, and on fin 20, convex with in the same way at least one in conjunction with protruding pipe 26, are the bodys that are taper wherein in conjunction with protruding pipe 26, its sectional dimension is by root gradually towards free end side decrescence, please cooperate and consult Fig. 5, shown in Figure 6, when assembling, get a compoboard 30 that is provided with guide pillar 32 in a side, after each fin 20 run through guide pillar 32 with it in conjunction with protruding pipe 26, overlapping one by one being arranged on the compoboard 30, can allow the fastening in the greatly caliber place of adjacent fin 20 of fin 20 this moment in conjunction with protruding pipe 26 near roots in conjunction with protruding pipe 26 free-ended less caliber places, make two fin 20 be borrowed combination in conjunction with the mutual clamping of protruding pipe 26, and then allow each fin 20 common multilayer tablet body structures of forming separately, after then that each is folded mutually fin 20 takes off from compoboard 30, be incorporated on the base 12 in modes such as immersed solder, cooperate the setting of loam cake 14 and radiator fan 16 again, the common radiator 10 that constitutes tubular attitude in the closed, the heat that transmits and produced when leaving integrated circuit work.

See also shown in Figure 4, secondly, can be arranged with formation in the position of base 12 nearly both side edges and be provided with the slot 122 that twice parallel, in the time of can allowing loam cake 14 whereby on being covered on base 12, its two ends edge snaps in respectively in the relative slot 122, when making loam cake 14 on being covered on base 12, can be more firm.

Specify effect of the present utility model as follows below in conjunction with structure.Because fin 20 is through punch forming by single lamellar body, combined again, so can make the suitably attenuation of thickness of fin 20, just can increase the quantity that fin 20 can be set on the same widths base 12 whereby, and can increase its whole area of dissipation; Because base 12 is provided with a loam cake 14 that can seal each fin 20 periphery, and make radiator 10 form the structural form of pipe in the closed, so when 20 of each fin sent into air-flow by radiator fan 16, can avoid cold air to scatter and disappear to periphery, can allow air-flow that the heat on the fin 20 is fully left whereby, improve its radiating effect; Because radiator fan 16 can be the cross flow fan structure, be different from conventional axial flow fan, cross flow fan formerly in the sky just has the characteristic of high static pressure, air outlet air flow direction and 20 formed passages of each fin of radiator fan 16 are parallel to each other simultaneously, so can produce higher static pressure, the resistance that flow-disturbing guide plate 24 is produced on pipe and the fin 20 in the opposing closed, air-flow is when mobile simultaneously, the phenomenon that vertical corner can't be arranged, so the situation that can avoid air quantity hurriedly to subtract produces, the air quantity of airflow can be improved, and then its radiating efficiency can be promoted in 20 of each fin; Because on fin 20, can be provided with a plurality of different openings towards flow-disturbing hole 22 and flow-disturbing guide plate 24, so can allow cold air form the phenomenon of intersection convection current at the interchannel of each fin 20, heat on the fin 20 can be conducted on the air-flow fully, take out of by air-flow again, make the radiating effect of radiator 10 integral body be able to comprehensive raising.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of cooling integrated device, it is characterized in that this radiator one flat base is provided with the folded mutually fin in a plurality of intervals, and be formed with the passage of airflow between each fin, be provided with a  font loam cake that is covered on each fin at base again, other with respect to an end opening place of loam cake, is provided with an air outlet and flows to the radiator fan that is parallel to each other with each fin channels on base.

2, cooling integrated device according to claim 1, it is characterized in that each fin all is rectangle lamellar bodies in the wherein said fin, be bent to form in the same way at the two opposite sides of fin edge and be provided with flanging, and on fin, be provided with at least one in conjunction with protruding pipe, and each in conjunction with protruding Guan Jun be sectional dimension gradually by root towards free end conical tube decrescence.

3, cooling integrated device according to claim 1 and 2, it is characterized in that wherein said fin be provided with a plurality of be different openings towards the flow-disturbing hole, the periphery in the flow-disturbing hole then forms and is provided with the flow-disturbing guide plate.

4, cooling integrated device according to claim 1 is characterized in that wherein said radiator fan is the Hot-air fan that is the cross-flow type structure, and its air intake vent and air outlet lay respectively on the orthogonal two sides.

5, cooling integrated device according to claim 1 is characterized in that wherein said base is arranged with respectively at nearly two ora terminalis places and is formed with loam cake two ora terminalis and snaps in wherein slot.