CN2386482Y - Heat sink for computer central processing unit - Google Patents
Heat sink for computer central processing unit Download PDFInfo
- Publication number
- CN2386482Y CN2386482Y CN 99205929 CN99205929U CN2386482Y CN 2386482 Y CN2386482 Y CN 2386482Y CN 99205929 CN99205929 CN 99205929 CN 99205929 U CN99205929 U CN 99205929U CN 2386482 Y CN2386482 Y CN 2386482Y
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- heat
- fins
- groups
- heat radiator
- clamping part
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Abstract
The utility model relates to a heat sink for computer central processing units. In order to provide a heat sink for computer central processing units, which has the advantages of convenient manufacture and assemblage, small area for obstructing air current, large area for heat dissipation, and good radiation effect, the utility model is provided. The utility model is composed of a fan, an upper cover, a heat radiating fin set and a lower cover. The heat radiating fin set comprises radiating fins in a complex number. The top and the bottom of radiating fins are transversally provided with locking parts in the same direction, and the front and the back of the locking parts are provided with clamping hooks and clamping grooves which are in the same direction and have spacing distances. The middle of the top surface of the radiating fin is provided with downwards concave arc sections, and the bottom surface of the radiating fin and locking parts are transversally provided with long sheet-shaped fin sheets for heat conductivity in the same direction.
Description
The utility model belongs to machine element, particularly a kind of computer cpu heat abstractor.
Central processing unit (CPU) is a most important parts in the computer, also is the core of computer.Because the continuous development and the integrated circuit production technology of computer technology improve constantly, the speed and the efficient that make central processing unit (CPU) carry out are more and more fast.The speed that central processing unit is carried out is faster, and it is also higher that it produces corresponding heat, if fail the heat of CPU is spread rapidly, will influence the stability of computation.Therefore, be to solve the CPU problems of excessive heat, the most direct and simple mode promptly is to install heat abstractor on CPU additional, make high temperature that CPU produces can by in bulk put thermal source dredged shed, to keep the degree of stability of CPU execution.And it is well-known, as shown in Figure 1, at present general heat abstractor is to be made up of fan and heating radiator, wherein, fan covers on heating radiator by screw retention, heating radiator then is installed on the motherboard by register pin on it, register pin penetrates being blocked by the clamping shell fragment again of pilot hole on the motherboard on it, make the base plate of heating radiator closely push down CPU, and the high temperature that the CPU running time is produced, heat is dredged by the heat radiation section of heating radiator with the gas that imports by fan and to be shed, and reach the function of heat radiation.As shown in Figure 2, the heat radiating fin structure of this known heating radiator is how one-body molded with heat radiator and base plate with aluminium extruded type processing, because of it is subjected to the restriction of pressing mold and extrusion technique, the obstruct face of its heat radiator is comparatively generous, and the air-flow face that not only intercepts fan is bigger, and heat-transfer rate is slower, and inter fin space is big, cause the quantity of heat radiator few, area of dissipation is also little, to the radiating rate generation harmful effect of heating radiator.And the aluminium extruded type job sequence is complicated, and not only manufacturing speed is slow, and must handle with cut, and the material deterioration inside height makes its relative cost higher.Fin type heat radiating fin structure is as shown in Figure 3 still arranged at present on the market, and heat radiator is with the moulding of rolling mode, again with heat radiator and base plate riveted joint or gummed.When the heat radiator of this structure is assembled, need spacer region between heat radiator and heat radiator, thereby make the minimizing area of dissipation, and assembling operation is difficult, assembling part is blamed with control and management.In addition, it is also comparatively thick that the air-flow of this structure heat radiator intercepts face, and distance is too approaching again between its surface level and fan, intercepts fan airstream on the contrary, consumes fan power, do not improve the shortcoming of aluminium extruded type processing heat radiator.
The purpose of this utility model provides a kind ofly to be made easy to assembly, air-flow and intercepts that face is little, area of dissipation big, the computer cpu heat abstractor of good heat dissipation effect.
The utility model comprises fan, loam cake, groups of fins and lower cover.Groups of fins comprises the plural pieces heat radiator; Heat radiator top, bottom surface laterally extend clamping part in same direction; Clamping part is forward and backward to have in the same way and the trip and the draw-in groove of spacing distance; The heat sink top surface stage casing is provided with recessed arc-shaped sections; Heat radiator bottom surface and clamping part laterally extend lengthy motion picture shape heat conduction fin in the same way; Groups of fins places down and covers, and the loam cake lid is contained on the groups of fins and with lower cover and makes up, and fan is installed in and covers.
Wherein:
Heat sink top surface and on cover the screw corresponding position and be provided with concave cross section.
Clamping part on last a slice heat radiator of groups of fins only is provided with draw-in groove.
Because the utility model comprises fan, loam cake, groups of fins and lower cover.Groups of fins comprises the plural pieces heat radiator; Heat radiator top, bottom surface laterally extend clamping part in same direction; Clamping part is forward and backward to have in the same way and the trip and the draw-in groove of spacing distance; The heat sink top surface stage casing is provided with recessed arc-shaped sections; Heat radiator bottom surface and clamping part laterally extend lengthy motion picture shape heat conduction fin in the same way; Groups of fins places down and covers, and the loam cake lid is contained on the groups of fins and with lower cover and makes up, and fan is installed in and covers.Complex cooling fin by clamping part in regular turn before and after buckle and form groups of fins.The heat conduction fin that laterally extends by each heat radiator bottom surface in regular turn and close forms careful heat conduction surface of contact, increases the contact area of groups of fins and lower cover thermal source, makes heat radiator reach best heat conduction and radiating effect.Use anter trip and rear panel draw-in groove buckle combination results irrigation canals and ditches gap, form the air-flow radiating area.Make heat radiator thickness thinner, make many that the heat radiator quantity of groups of fins commonly uses, form bigger area of dissipation than what commonly use.By being located at the recessed arc-shaped sections in position, heat radiator stage casing (corresponding to the fan airstream porch), the choked flow when reducing fan importing air-flow is disturbed, to give full play to fan usefulness.Not only make easy to assemblyly, and air-flow intercepts, and face is little, area of dissipation big, good heat dissipation effect, thereby reaches the purpose of this utility model.
Fig. 1, be known computer cpu heat abstractor user mode schematic isometric.
Fig. 2, be known heat radiating fin structure schematic isometric (aluminium extruded type machine-shaping).
Fig. 3, be known heat radiating fin structure schematic isometric (rolling machine-shaping).
Fig. 4, be the utility model decomposition texture schematic isometric.
Fig. 5, be the utility model structural representation stereographic map.
Fig. 6, be A portion partial enlarged drawing among Fig. 4.
Fig. 7, be B portion partial enlarged drawing among Fig. 6.
Fig. 8, be C portion partial enlarged drawing among Fig. 6.
Fig. 9, be D portion partial enlarged drawing (trip and draw-in groove are rectangular) among Fig. 6.
Figure 10, be D portion partial enlarged drawing (trip and draw-in groove are circular arc) among Fig. 6.
Figure 11, be the utility model user mode synoptic diagram.
Below in conjunction with accompanying drawing the utility model is further elaborated.
As Fig. 4, shown in Figure 5, the utility model comprises fan 40, loam cake 50, groups of fins 60 and lower cover 70.
As Fig. 4, shown in Figure 6, groups of fins 60 comprises plural pieces heat radiator 61, and heat radiator 61 end face stage casings are provided with recessed arc-shaped sections 63, with loam cake 50 on screw 51 corresponding positions be provided with concave cross section 64; Heat radiator 61 bottom surfaces laterally extend lengthy motion picture shape heat conduction fin 65.Laterally extend an above clamping part 62 at heat radiator 61 end faces and bottom surface horizontal part in same direction.Clamping part 62 is forward and backward to have in the same way and the trip 622 and the draw-in groove 621 of spacing distance.That is all before having in the same way, be the box and pin shape clamping part 62 of draw-in groove 621 on each heat radiator for trip 622, back.As shown in Figure 9, the trip 622 of clamping part 62 and draw-in groove 621 are the rectangle of phase buckle.Also can be as shown in figure 10, the trip 622a of clamping part 62a and draw-in groove 621a are the circular arc of phase buckle.As shown in Figure 8, be the radiating area that avoids waste, can make be located at last a slice heat radiator 61 ' on clamping part 62 ' only be provided with draw-in groove 621 '.Complex cooling fin 61 by clamping part 62 (62a) in regular turn before and after buckle and form groups of fins 60.The heat conduction fin 65 that each heat radiator 61 bottom surface and clamping part 62 (62a) laterally extend in the same way in regular turn and close forms careful heat conduction surface of contact, increases the contact area of groups of fins 60 and lower cover 70 thermals source, makes heat radiator 61 reach best heat conduction and radiating effect.As shown in Figure 7, the draw-in groove 621 buckle combination results irrigation canals and ditches gaps of the trip 621 of heat radiator 61 and back heat radiator 61 form air-flow radiating area 67 before using.Make heat radiator 61 thickness thinner, make many that heat radiator 61 quantity of groups of fins 60 commonly use, form bigger area of dissipation than what commonly use.
As shown in Figure 4, lower cover 70 front and back sides are provided with and loam cake 50 biside plate bottoms plural number riveted joint groove 53 corresponding riveted joint tenons 71, lower cover 50 left and right sides are provided with outstanding location-plate 72, and lower cover 70 is provided with the dowel hole 74 of plural auxiliary heat dissipation hole 73 and riveted joint register pin 75.75 of register pins are riveted in the dowel hole 74 of lower cover 70.
During assembling, groups of fins 60 places on the lower cover 70, orientation, the left and right sides by the outstanding location-plate 72 fixing cooling fins groups 60 of lower cover 70 left and right sides, 50 of loam cakes from top to bottom by correcting groove 54 with location, groups of fins 60 front and back, and make the recessed arc-shaped sections 63 of central through hole 52 and each stage casing, heat radiator 61 top of groups of fins 60 on loam cake 50 top boards corresponding; Loam cake 50 riveted joint grooves 53 are riveted tenons 71 riveted mutually with lower cover 70 simultaneously, make loam cake 50 and lower cover 70 can reach solid fixing combination, fan 40 are fixed on the loam cake 50 with the screw 41 that the screw 51 with loam cake 50 screws togather again.
As shown in figure 11, by being located at the recessed arc-shaped sections 63 in position, heat radiator 61 stage casing (corresponding to the fan airstream porch), the choked flow thousand when importing air-flow to reduce fan 40 is disturbed, to give full play to fan 40 usefulness.And because of heat radiator 61 windage faces 611 are thin little, not only lower choked flow and disturb, more can quicken heat radiation.By heat radiator 61 end face concave cross sections 64, when gib screw 41 is locked fan 40 spiral shells and is contained in loam cake 50 screws 51, unlikelyly cause heat radiator 61 crimps.
Claims (3)
1, a kind of computer cpu heat abstractor, it comprises fan, loam cake, groups of fins and lower cover; Groups of fins comprises the plural pieces heat radiator; Groups of fins places down and covers, and the loam cake lid is contained on the groups of fins and with lower cover and makes up, and fan is installed in and covers; It is characterized in that described heat radiator top, bottom surface laterally extend an above clamping part in same direction; Clamping part is forward and backward to have in the same way and the trip and the draw-in groove of spacing distance; The heat sink top surface stage casing is provided with recessed arc-shaped sections; Heat radiator bottom surface and clamping part laterally extend lengthy motion picture shape heat conduction fin in the same way.
2, computer cpu heat abstractor according to claim 1, it is characterized in that described heat sink top surface and on cover the screw corresponding position and be provided with concave cross section.
3,, it is characterized in that the clamping part on last a slice heat radiator of described groups of fins only is provided with draw-in groove according to claim 1 or 2 described computer cpu heat abstractors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99205929 CN2386482Y (en) | 1999-03-26 | 1999-03-26 | Heat sink for computer central processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99205929 CN2386482Y (en) | 1999-03-26 | 1999-03-26 | Heat sink for computer central processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2386482Y true CN2386482Y (en) | 2000-07-05 |
Family
ID=34000375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99205929 Expired - Lifetime CN2386482Y (en) | 1999-03-26 | 1999-03-26 | Heat sink for computer central processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2386482Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6871698B2 (en) | 2002-12-27 | 2005-03-29 | Hon Hai Precision Ind. Co., Ltd. | Heat dissipation device with interlocking fins |
| US7028755B2 (en) | 2003-05-09 | 2006-04-18 | Hon Hai Precision Ind. Co., Ltd. | Heat dissipation device with interlocking fin plates |
| CN102192675A (en) * | 2010-03-10 | 2011-09-21 | 苏州春兴精工股份有限公司 | Bonding radiator |
-
1999
- 1999-03-26 CN CN 99205929 patent/CN2386482Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6871698B2 (en) | 2002-12-27 | 2005-03-29 | Hon Hai Precision Ind. Co., Ltd. | Heat dissipation device with interlocking fins |
| US7028755B2 (en) | 2003-05-09 | 2006-04-18 | Hon Hai Precision Ind. Co., Ltd. | Heat dissipation device with interlocking fin plates |
| CN102192675A (en) * | 2010-03-10 | 2011-09-21 | 苏州春兴精工股份有限公司 | Bonding radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |