CN2882202Y

CN2882202Y - Heat sink assembly

Info

Publication number: CN2882202Y
Application number: CN 200520144665
Authority: CN
Inventors: 凌昕
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2005-12-19
Filing date: 2005-12-19
Publication date: 2007-03-21
Anticipated expiration: 2015-12-19

Abstract

A heat sink assembly, the heat sink assembly includes two heat sinks, the first heat sink includes a base, a U-shaped heat pipe and two sets of heat-dissipating fins set up on the base, wherein the height of the first set of heat-dissipating fins is higher, and the height of the second set of heat-dissipating fins is shorter, thus form a gap above the second set of heat-dissipating fins; the second heat sink includes a base, several heat-dissipating fins extending upwards from the base, a heat pipe and several second heat-dissipating fins connected in series on the heat pipe, and the second heat-dissipating fins can be just filled in the gap of the first heat sink, so as to improve the heat-dissipating capacity of the second heat sink. The heat dissipation device combination can flexibly use the original design space and meet the new heat dissipation requirement.

Description

The heat abstractor combination

Technical field

The utility model relates to the combination of a kind of heat abstractor, especially relates to a kind ofly can using original design space neatly, satisfies the heat abstractor combination of new radiating requirements.

Background technology

The design of original case radiation as shown in Figure 1, this design be adopt two independently heat abstractor (6,7) be respectively its heat radiation of two heat-generating electronic elements (figure does not show) of its below.And along with the differentiation of product and the specification change of electronic component, the height of heat abstractor 6 is owing to the thickness of the CD-ROM drive (scheming not shown) of its top installing will increase, so must reduce the height of heat abstractor 6, cause the area of dissipation of heat abstractor 6 to reduce, and the heating power that meanwhile is installed in the heat-generating electronic elements of heat abstractor 6 belows also will rise to 50 watts from original 45 watts, will cause the heat abstractor 6 on the left side problem of heat-sinking capability deficiency to occur; The heating power of heat-generating electronic elements that is installed in heat abstractor 7 belows on the right then drops to 70 watts from original 85 watts, and will there be the problem of heat-sinking capability surplus in heat abstractor 7.Generally will design heat abstractor again in this case, yet this way can be seriously limited because interior original space layout of cabinet and air-flow distribute.Therefore be necessary to design a kind of space and air-flow that does not need basically to change original design and distribute, but can distribute and adapt to the heat abstractor combination of the radiating requirements of a plurality of heat-generating electronic elements comparatively neatly.

And the heat radiation module shown in No. the 91203420th, Taiwan patent, this is the radiating module of the multiple tubular type heat-transfer superconductive pipe heat conduction of a kind of application, it includes two groups of above fin and the heat-transfer superconductive pipe more than, and this heat-transfer superconductive pipe is combined on the pedestal of this fin, wherein, the pedestal sidewall of fin is drilled with hole, thereby the two ends of this heat-transfer superconductive pipe can be plugged on respectively in the hole of this fin, the heat transferred that is used for a fin is absorbed is to another fin.The radiating module that this patent disclosed also can distribute and adapt to the radiating requirements of a plurality of heat-generating electronic elements comparatively neatly, but because the pedestal of each heat abstractor closely is fixed together with heat pipe, thereby the position between each heat abstractor does not have controllability, and all there are certain manufacturing dimension error in the size of heat abstractor and the position of heat-generating electronic elements when a large amount of production, thereby are difficult to guarantee that the pedestal of each heat abstractor can both closely amplexiform the end face of heat-generating electronic elements.

Above-mentioned existing heat abstractor, existing many disappearances on structural design, and produce trouble and inconvenience in use, remain in fact to be improved.

Summary of the invention

Main purpose of the present utility model provides a kind ofly can use original design space neatly, satisfies the heat abstractor combination of new radiating requirements.

For achieving the above object, the combination of the utility model heat abstractor comprises two heat abstractors, first heat abstractor comprises a pedestal, a U-shaped heat pipe and two groups of radiating fins that are located on this pedestal, wherein the height of first group of radiating fin is higher, and the height of second group of radiating fin is shorter, thereby forms a breach above second group of radiating fin; Second heat abstractor comprises that a pedestal, some radiating fin, a heat pipe and some strings that is extended upward by this pedestal are located at second radiating fin on this heat pipe, thereby these second radiating fins just can be filled in the interior heat-sinking capability that improves this second heat abstractor of the breach of this first heat abstractor.

Second heat abstractor in the combination of this heat abstractor can make full use of that first heat abstractor reduces area of dissipation and the breach that forms, strengthens the heat-sinking capability of second heat abstractor, satisfies new radiating requirements on the basis of original design space of applying in a flexible way; And appropriateness adjustment can be carried out in relative altitude and position between two heat abstractors of this heat abstractor combination, thereby adapt to the position deviation that may exist when finally being assembled on the cabinet, guarantee that two heat abstractors of this heat abstractor combination can both closely amplexiform the end face of two heat-generating electronic elements.

Description of drawings

Fig. 1 is the stereogram of existing heat abstractor;

Fig. 2 is the stereogram of the utility model heat abstractor aggregate erection in cabinet;

Fig. 3 is the three-dimensional exploded view of the utility model heat abstractor combination;

Fig. 4 is the three-dimensional exploded view of the utility model heat abstractor combination other direction.

Embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail:

To shown in Figure 4, the combination of the utility model heat abstractor mainly is made up of two heat abstractors (1,2) as Fig. 2.

First heat abstractor 1 is to be installing first heat-generating electronic elements (scheming not shown) heat radiation thereunder, and it comprises that a pedestal 11, a U-shaped heat pipe 13 and two assemblings are located at the radiating fin (14,15) of these pedestal 11 tops.The bottom of this pedestal 11 is provided with two fixtures 12, and the two ends of this two fixture 12 respectively are provided with a stud bolt 16.Wherein the middle part of first group of radiating fin 14 is provided with a perforation 18.One end of this U-shaped heat pipe 13 is fixed on the pedestal 11, and its other end is located in the perforation 18 of first group of radiating fin 14, and its heat that can efficiently first heat-generating electronic elements be produced is transmitted to first group of radiating fin 14.Because radiating requirements is from the original 85 watts heat-sinking capability surpluses that drop to after 70 watts heat abstractor 7 as shown in Figure 1, therefore the height of first group of radiating fin 14 can be remained the height of original design, thereby second group of radiating fin 15 is then than the low slightly minimizing of the height area of dissipation of original design, wherein the height of first group of radiating fin 14 is higher, and the height of second group of radiating fin 15 is shorter, thereby forms a breach 17 above second group of radiating fin 15.

Second heat abstractor 2 is to be that installing second heat-generating electronic elements (scheme not shown) thereunder dispels the heat, and it comprises that a pedestal 21, some radiating fin 22, one L shaped heat pipes 23 that extended upward by this pedestal 21 and some strings are located at second radiating fin 24 on this heat pipe 23.Be inlaid with copper post 27 and four set bolts 28 that are used for improving heat dispersion on the bottom surface of this pedestal 21, one end of this heat pipe 23 is fixed on the central authorities of this pedestal 21, the other end of this heat pipe 23 is interposed in wherein by second radiating fin 24 and a heat-conducting plate 25, and the size of these radiating fins 24 and shape just can be filled in the breach 17 of first heat abstractor 1.This heat pipe 23 can be transmitted to the heat on the pedestal 21 heat-conducting plate 25 and second radiating fin 24 efficiently and distribute, the breach 17 that has effectively utilized first heat abstractor, 1 minimizing area of dissipation and formed, strengthened the heat-sinking capability of second heat abstractor 2, thereby the calorific capacity that has satisfied second heat-generating electronic elements rises to the new radiating requirements that is produced after 50 watts by original 45 watts.

This heat abstractor makes up the breach 17 that can make full use of first heat abstractor, 1 minimizing area of dissipation and form, and strengthens the heat-sinking capability of second heat abstractor 2, satisfies new radiating requirements on the basis of original design space of applying in a flexible way; And owing to be to adopt a kind of comparatively loose compound mode between this two heat abstractor (1,2), appropriateness adjustment can be carried out in relative altitude between the two and position, thereby adapt to the position deviation that may exist when finally being assembled on the cabinet, guarantee that two heat abstractors (1,2) of this heat abstractor combination can both closely amplexiform the end face of two heat-generating electronic elements.

The above; only be the preferable feasible embodiment of the utility model; can not therefore promptly limit to interest field of the present utility model; concerning being familiar with those of ordinary skill in the art; such as use the technical solution of the utility model and technical conceive to make other various corresponding changes and distortion, and all these changes and distortion all should belong in the protection range of the utility model claim.

Claims

1, a kind of heat abstractor combination, this heat abstractor combination comprises two heat abstractors, it is characterized in that: first heat abstractor comprises a pedestal, a U-shaped heat pipe and two groups of radiating fins that are located on this pedestal, wherein the height of first group of radiating fin is higher, and the height of second group of radiating fin is shorter, thereby forms a breach above second group of radiating fin;

Second heat abstractor comprises that a pedestal, some radiating fin, a heat pipe and some strings that is extended upward by this pedestal are located at second radiating fin on this heat pipe, thereby these second radiating fins just can be filled in the interior heat-sinking capability that improves this second heat abstractor of the breach of this first heat abstractor.

2, a kind of heat abstractor combination according to claim 1, it is characterized in that: the base bottom of described first heat abstractor is provided with two fixtures.

3, a kind of heat abstractor combination according to claim 2, it is characterized in that: the two ends of described two fixtures respectively are provided with a stud bolt.

4, a kind of heat abstractor combination according to claim 1, it is characterized in that: heat pipe one end of described second heat abstractor is the central authorities that are installed in pedestal, and the second radiating fin string is located at the other end of this heat pipe.

5, a kind of heat abstractor combination according to claim 4, it is characterized in that: the other end of the heat pipe of described second heat abstractor also is provided with a heat-conducting plate, and this heat pipe is interposed in wherein by this heat-conducting plate and second radiating fin.

6, according to claim 1,4 or 5 described a kind of heat abstractor combinations, it is characterized in that: the heat pipe of described second heat abstractor is L-shaped.

7, a kind of heat abstractor combination according to claim 1, it is characterized in that: described first group of radiating fin is provided with a perforation, and an end of this U-shaped heat pipe is fixed on the pedestal, and its other end is located in the perforation of first group of radiating fin.

8, a kind of heat abstractor combination according to claim 1 is characterized in that: be inlaid with a bronze medal post on the bottom surface of this second heat abstractor pedestal.

9, a kind of heat abstractor combination according to claim 1, it is characterized in that: the bottom surface of this second heat abstractor pedestal is provided with four set bolts.