CN2681335Y - Heat sink - Google Patents
Heat sink Download PDFInfo
- Publication number
- CN2681335Y CN2681335Y CN 200420005626 CN200420005626U CN2681335Y CN 2681335 Y CN2681335 Y CN 2681335Y CN 200420005626 CN200420005626 CN 200420005626 CN 200420005626 U CN200420005626 U CN 200420005626U CN 2681335 Y CN2681335 Y CN 2681335Y
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- CN
- China
- Prior art keywords
- heat
- radiating fin
- heat abstractor
- fin group
- pedestal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Abstract
The utility model provides a heat sink. The heat sink comprises a base; the base is provided with at least one radiating fin set; the position of the radiating fin set is provided with at least one heat pipe; the heat pipe has working fluid and capillary organization; the upper side of the radiating fin set is provided with a wind cap and a radiating fan. The utility model is characterized in that the upper surface or lower surface of the base is provided with a temperature homogenization board; the working fluid is arranged in the temperature homogenization board. When the heat sink is installed on the upper side of a heating electronic component, the temperature homogenization board is dead against the heating electronic component. Therefore, the temperature homogenization board absorbs a part of heat produced by the heating electronic component to release the working load of the base to improve the radiating efficiency of the entire heat sink.
Description
Technical field
The utility model relates to a kind of heat abstractor, relates in particular to a kind of being applied on the heating electronic building brick, can improve and reach the heat abstractor of best radiating efficiency.
Background technology
Traditional heat abstractor 10a, as shown in Figure 1, heat abstractor 10a includes a radiating block 1a, and radiating block 1a is made by the aluminum of perfect heat-dissipating, radiating block 1a is provided with radiating fin group 3a, and radiating fin group 3a is made up of the radiating fin 31a of a plurality of equidistant arrangements.Offer a groove 11a in the bottom of radiating block 1a, at groove 11a internal fixation one heat-conducting block 2a is installed, heat-conducting block 2a is made by the copper product of perfect heat-dissipating.Radiating fin group 3a is provided with fan housing 4a and radiator fan 5a.
Heat abstractor 10a is installed on the central processing unit 20a (CPU), its heat-conducting block 2a correspondence pastes the top at central processing unit 20a, thus, utilize the fast characteristic of heat conduction of the copper product of heat-conducting block 2a, the heat that is produced when apace central processing unit 20a being moved conducts on the radiating block 1a, utilize the thermal conduction characteristic and the radiating fin group 3a of the aluminum of radiating block 1a to heat sink to the external world apace again, reach the effect of heat conduction and heat radiation.
Along with science and technology develops fast, especially when the arithmetic speed of central processing unit 20a is high more, the heat that is produced during its operation is also more and more higher, therefore need fast central processing unit 20a to be dispelled the heat, yet for above-mentioned known heat abstractor 10a, it can't carry out best and the fastest heat radiation to the central processing unit 20a of high-speed cruising, therefore how to improve the radiating efficiency of heat abstractor 10a again, is the problem that those skilled in the art will solve.
In view of the defective that exists in the above-mentioned prior art, the utility model designer is by means of being engaged in the sector experience for many years, and in line with excelsior spirit, the active research improvement has the generation of " heat abstractor " of the present utility model then.
Content of the present utility model
Main purpose of the present utility model is to provide a kind of heat abstractor, and it is by the temperature-uniforming plate absorption portion heating heat that electronic building brick produced, and alleviates the operating load of pedestal, improves the radiating efficiency of entire heat dissipation device.
Of the present utility model one is characterised in that this heat abstractor includes a pedestal, and pedestal can be aluminum or copper product is made, and this pedestal is provided with the radiating fin group.This hot fins group is made of the radiating fin of a plurality of equidistant arrangements, and the radiating fin group is provided with at least one heat pipe, has working fluid and capillary structure in this heat pipe, is provided with fan housing and radiator fan above this radiating fin group.Wherein, offer groove, a temperature-uniforming plate is installed in groove, have working fluid in this temperature-uniforming plate at the upper surface or the lower surface place of this pedestal.Therefore when this heat abstractor being installed in heating electronic building brick top, this temperature-uniforming plate faces the heating electronic building brick, thus, can be by the direct absorption portion of this temperature-uniforming plate heating thermal source that electronic building brick produced, or directly the heat on the pedestal is absorbed and dispel the heat.
Another feature of the present utility model is, because this temperature-uniforming plate faces the heating electronic building brick, so the area of this temperature-uniforming plate size only need equate to get final product with the heating electronic building brick, and need not make too big, except the radiating efficiency that can improve heat abstractor, also reduced manufacturing cost.
Heat abstractor of the present utility model not only can improve radiating efficiency, has also reduced manufacturing cost.
Brief description of drawings
Fig. 1 is the combination generalized section of known heat abstractor;
Fig. 2 is the outward appearance decomposing schematic representation of the heat abstractor of the utility model first embodiment;
Fig. 3 is the generalized section after Fig. 2 assembling;
Fig. 4 is the heat abstractor of the utility model first embodiment and the perspective exploded view between fan housing and radiator fan;
Fig. 5 is the generalized section after Fig. 4 assembling;
Fig. 6 is the generalized section of the heat abstractor of the utility model second embodiment;
Fig. 7 is the generalized section of the heat abstractor of the utility model the 3rd embodiment;
Fig. 8 is the outward appearance exploded view of the heat abstractor of the utility model the 4th embodiment;
Fig. 9 is the generalized section after Fig. 8 assembling;
Figure 10 is the stereo appearance figure of the heat abstractor of the utility model the 5th embodiment;
Figure 11 is the pedestal of heat abstractor of the utility model the 6th embodiment and the floor map of temperature-uniforming plate;
Figure 12 is the pedestal of heat abstractor of the utility model the 7th embodiment and the floor map of temperature-uniforming plate.
In the accompanying drawing, the list of parts of each label representative is as follows:
10a-heat abstractor 1a-radiating block
11a-groove 2a-heat-conducting block
3a-radiating fin group 31a-radiating fin
4a-fan housing 5a-radiator fan
The 20a-central processing unit
10-heat abstractor 20-central processing unit
1-pedestal 11-groove
12-alcove 2-temperature-uniforming plate
21-working fluid 32-short slot
33 '-through hole 5,5 ', 8-heat pipe
53,53 '-horizontal part 6-radiator fan
61-fan housing 611-opening
62,63- bolt assembly 3,3 ', 4,7-radiating fin group
31,31 ', 41,71-radiating fin
51,52,51 ', 52 ', 81,82-free end
Embodiment
Relevant detailed description of the present utility model and technology contents, conjunction with figs. is described as follows, and accompanying drawing only provides reference and explanation usefulness, is not to be used for limiting the utility model.
The utility model provides a kind of " heat abstractor ", and as shown in Figure 2, in first embodiment of the present utility model, heat abstractor 10 is used for central processing unit (CPU) 20 heat radiations.Wherein, heat abstractor 10 includes a pedestal 1, and pedestal 1 can be made with aluminum or copper product.Place, centre position at the upper surface of pedestal 1 offers a groove 11, and a temperature-uniforming plate 2 is installed in groove 11, and temperature-uniforming plate 2 is connected for heat conduction contacts with pedestal 1.Be hollow form in the temperature-uniforming plate 2, can be provided with working fluid 21, the heat that utilizes working fluid 21 absorption central processing units 20 to be produced carries out phase change and dispels the heat.Also the radiating efficiency that the capillary structure (not shown) improves temperature-uniforming plate 2 can be set in temperature-uniforming plate 2.
As shown in Figure 2, on pedestal 1, the radiating fin group can be set, in first embodiment of the present utility model, be provided with two upper and lower mutually stacked radiating fin groups 3,3 '.Radiating fin group 3,3 ' is made up of the radiating fin 31,31 ' of a plurality of equidistant arrangements respectively, and radiating fin 31,31 ' is the vertical type arrangement in the present embodiment.
Locate to be provided with two heat pipes 5 in two radiating fin groups 3,3 '.Heat pipe 5 is " ㄈ " font, and two free ends 51,52 is arranged and be connected two free-ended horizontal parts 53.Have working fluid and capillary structure (not shown) in the heat pipe 5, be used for two radiating fin groups 3,3 ' are carried out heat conduction.Bottom side in following radiating fin group 3 offers two short slots arranged side by side 32, in the middle of the side of last radiating fin group 3 ', offer two through holes 33 ' separated by a distance, a free end 51 separately of two heat pipes 5 is placed on down respectively in the short slot 32 of radiating fin group 3 bottom sides, and makes free end 51 face temperature-uniforming plate 2; Two heat pipes 5 another free end 52 is separately inserted respectively in the through hole 33 ' that radiating fin group 3 offered.
As shown in Figure 3, the utility model is when assembling, and temperature-uniforming plate 2 can be fixedly mounted on cemented mode in the groove 11 of pedestal 1, or is fixedly mounted in the groove 11 in the solid welding mode, or is fixedly mounted in the groove 11 with the tight fit embedded mode.After in two heat pipes 5 being assembled in two radiating fin groups 3,3 ' respectively, again two radiating fin groups 3,3 ' are installed on the pedestal 1, radiating fin group 3 is pasted on pedestal 1, and the free end 51 that also can make two heat pipes 5 be placed on down radiating fin group 3 bottom sides thus fits together with temperature-uniforming plate 2.
As Fig. 4, shown in Figure 5, in the utility model, can fan housing 61 and radiator fan 6 be set at upper and lower stacked two radiating fin groups 3, arbitrary side of 3 '.In the present embodiment, be provided with fan housing 61 and radiator fan 6 at two radiating fin groups 3, a side of 3 '.Fan housing 61 is one " ㄇ " shape lamellar body, offers opening 611 in the side of fan housing 61, utilizes bolt assembly 62 that fan housing 61 is fixedly mounted on the pedestal 1, and makes fan housing 61 be located at two radiating fin groups 3,3 ' the outside.Radiator fan 6 is fixedly mounted on the side that is provided with opening 611 of fan housing 61 by bolt assembly 63, and the enough openings 611 from fan housing 61 of the wind energy that radiator fan 6 is blown out are blown into two radiating fin groups 3,3 ' and locate to dispel the heat.
As shown in Figure 5, when being installed in heat abstractor 10 on the central processing unit 20, pedestal 1 pastes on central processing unit 20, and temperature-uniforming plate 2 faces central processing unit 20.Thus, the heat that central processing unit 20 operation backs are produced can conduct to radiating fin group 3,3 ' by pedestal 1 and locate, and by radiator fan 6 wind to radiating fin group 3,3 ' is located to dispel the heat.Temperature-uniforming plate 2 is except the heat that can be produced by its inner working fluid 21 direct absorption portion central processing units 20, can also directly absorb the heat on the pedestal 1, conduct to the heat that radiating fin group 3,3 ' is located with minimizing, make heat can be discharged to the external world fast.Simultaneously, two heat pipes 5 can directly absorb temperature-uniforming plate 2 and two heats that radiating fin group 3,3 ' is located, and can more promptly heat be got rid of.
Fig. 6 is the schematic diagram of the utility model second embodiment.As shown in Figure 6, temperature-uniforming plate 2 can be set directly at the lower surface place of pedestal 1, when being installed in heat abstractor 10 on the central processing unit 20, temperature-uniforming plate 2 can directly paste with central processing unit 20 mutually, thereby directly absorb the heat that central processing unit 20 is produced, can be provided with two alcoves 12 that communicate with temperature-uniforming plate 2 on the pedestal 1, the free end 51 that makes two heat pipes 5 be placed on down radiating fin group 3 bottom sides is arranged in the alcove 12 of pedestal 1, and mutually adhered together with temperature-uniforming plate 2.
Fig. 7 is the schematic diagram of the utility model the 3rd embodiment.As shown in Figure 7, temperature-uniforming plate 2 is embedded in pedestal 1.
Fig. 8 is the outward appearance exploded view of the heat abstractor of the utility model the 4th embodiment; Fig. 9 is the generalized section after Fig. 8 assembling.As Fig. 8, shown in Figure 9, radiating fin group 4 is made of the radiating fin 41 of a plurality of equidistant arrangements, and radiating fin 41 is horizontally and upper and lower stacking together.Two free ends 51 ', 52 ' that 5 ', two heat pipes 5 ' of two heat pipes that are the U font are installed in radiating fin group 4 are plugged in the through hole 42 that radiating fin group 4 offered.When radiating fin group 4 was placed in pedestal 1 top, the horizontal part 53 ' of two heat pipes 5 ' all directly pasted with temperature-uniforming plate 2 mutually.Make two heat pipes 5 ' can directly absorb the heat at temperature-uniforming plate 2 and radiating fin group 4 places, thereby more promptly heat is got rid of.
Figure 10 is the stereo appearance figure of the heat abstractor of the utility model the 5th embodiment.As shown in figure 10, radiating fin group 7 is made of the radiating fin 71 of a plurality of equidistant arrangements, and radiating fin 71 is upright arrangement, and is not installed on the pedestal 1.The heat pipe 8 that is the L font is installed in radiating fin group 7, and a free end 81 of heat pipe 8 is plugged in the radiating fin group 7, and another free end 82 directly pastes mutually with temperature-uniforming plate 2.
Figure 11, Figure 12 are the pedestal of heat abstractor of the utility model the 6th, the 7th embodiment and the floor map of temperature-uniforming plate.As Figure 11 and shown in Figure 12, temperature-uniforming plate 2 can be the different geometry of various profiles, as trapezoidal, hexagon etc., mainly be to decide according to the heat distribution situation of the heating electronic building brick of practical application heat abstractor 10, heat is evenly distributed, and avoiding heat to hoard at a place has the phenomenon that can't or be difficult to effective heat extraction.
In the utility model,, can alleviate the operating load of pedestal 1, improve the radiating efficiency of entire heat dissipation device 10 by the temperature-uniforming plate 2 absorption portion heating heat that electronic building brick produced owing on pedestal 1, be provided with temperature-uniforming plate 2.And because temperature-uniforming plate 2 faces the heating electronic building brick, so the area of temperature-uniforming plate 2 size only need equate to get final product with the heating electronic building brick, and need not make too big, except the radiating efficiency that can improve heat abstractor 10, also reduced manufacturing cost.Simultaneously, radiating fin group 3,3 ', 4,7 is provided with heat pipe 5,5 ', 8, can directly absorb the heat at temperature-uniforming plate 2 and radiating fin group 3,3 ', 4,7 places by heat pipe 5,5 ', 8, thereby can promptly heat be got rid of.
In sum, " heat abstractor " of the present utility model can reach described effect by above-mentioned structure really.And do not publish yet unexposed use the on any publication before the utility model application, meet practicality, novelty, the creationary requirement of utility application.
Above-mentioned accompanying drawing and explanation are embodiment of the present utility model only, but are not to be restriction embodiment of the present utility model.Other equivalent transformation or modification that every those skilled in the art does according to technical characterictic of the present utility model include in claim of the present utility model.
Claims (10)
1. heat abstractor, the heat radiation of the electronic building brick that is used to generate heat is characterized in that, comprising:
One pedestal is positioned at the described heating electronic building brick top of stating relatively;
At least one temperature-uniforming plate is arranged in the described pedestal, and is that heat conduction contact is connected with described pedestal; And
At least one heat pipe is connected do heat conduction with described temperature-uniforming plate, is equipped with a radiating fin group on described heat pipe.
2. heat abstractor as claimed in claim 1 is characterized in that described pedestal is that aluminium or copper product are made.
3. heat abstractor as claimed in claim 1 is characterized in that offering a groove at the upper surface of described pedestal or the centre position of lower surface, and described temperature-uniforming plate is installed in the described groove.
4. heat abstractor as claimed in claim 1 is characterized in that the place, centre position in described pedestal offers a groove, and described temperature-uniforming plate is installed in the described groove.
5. heat abstractor as claimed in claim 1, the profile that it is characterized in that described temperature-uniforming plate is trapezoidal or hexagonal.
6. as each described heat abstractor among the claim 1-5, it is characterized in that further being provided with on the described pedestal another radiating fin group.
7. heat abstractor as claimed in claim 6 is characterized in that described another radiating fin group and the radiating fin group that is located on the described heat pipe are upper and lower stacked.
8. heat abstractor as claimed in claim 7, it is characterized in that offering two short slots arranged side by side in the described bottom side of radiating fin group down, a free end separately of two described heat pipes is placed on respectively in the described short slot, and face and state temperature-uniforming plate, offer two through holes separated by a distance in the middle of the side of radiating fin group on described, two heat pipes another free end separately inserts respectively in the described through hole.
9. heat abstractor as claimed in claim 1 is characterized in that further comprising that one is installed in the radiator fan of radiating fin group one side.
10. heat abstractor as claimed in claim 9, it is characterized in that further being provided with a fan housing, described fan housing is ㄇ shape lamellar body, offer opening in described fan housing side, be fixedly mounted on fan housing on the described pedestal and be located at the outside of described radiating fin group, described radiator fan is fixedly mounted on fan housing and is provided with on the side of opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420005626 CN2681335Y (en) | 2004-02-27 | 2004-02-27 | Heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420005626 CN2681335Y (en) | 2004-02-27 | 2004-02-27 | Heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2681335Y true CN2681335Y (en) | 2005-02-23 |
Family
ID=34605814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420005626 Ceased CN2681335Y (en) | 2004-02-27 | 2004-02-27 | Heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2681335Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101316498B (en) * | 2007-05-31 | 2011-04-27 | 华硕电脑股份有限公司 | Heat sink assembly and electronic device using the same |
| CN102487598A (en) * | 2010-12-02 | 2012-06-06 | 双鸿科技股份有限公司 | Method and structure for fastening radiating fins on flat heat conduction pipe |
| CN106852089A (en) * | 2017-03-28 | 2017-06-13 | 株洲南车奇宏散热技术有限公司 | Hot pressing conversion temperature-uniforming plate, radiator temperature uniforming heat radiation method and product, manufacture craft |
| CN107172854A (en) * | 2017-05-17 | 2017-09-15 | 南京林业大学 | Vehicle-mounted integrated controller cooling system based on plate-fin heat pipe radiator |
-
2004
- 2004-02-27 CN CN 200420005626 patent/CN2681335Y/en not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101316498B (en) * | 2007-05-31 | 2011-04-27 | 华硕电脑股份有限公司 | Heat sink assembly and electronic device using the same |
| CN102487598A (en) * | 2010-12-02 | 2012-06-06 | 双鸿科技股份有限公司 | Method and structure for fastening radiating fins on flat heat conduction pipe |
| CN106852089A (en) * | 2017-03-28 | 2017-06-13 | 株洲南车奇宏散热技术有限公司 | Hot pressing conversion temperature-uniforming plate, radiator temperature uniforming heat radiation method and product, manufacture craft |
| CN107172854A (en) * | 2017-05-17 | 2017-09-15 | 南京林业大学 | Vehicle-mounted integrated controller cooling system based on plate-fin heat pipe radiator |
| CN107172854B (en) * | 2017-05-17 | 2019-04-02 | 南京林业大学 | Vehicle-mounted integrated controller cooling system based on plate-fin heat pipe radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20111116 Decision number of declaring invalidation: 17544 Granted publication date: 20050223 |