CN101472439B - Radiating device - Google Patents
Radiating device Download PDFInfo
- Publication number
- CN101472439B CN101472439B CN2007101256689A CN200710125668A CN101472439B CN 101472439 B CN101472439 B CN 101472439B CN 2007101256689 A CN2007101256689 A CN 2007101256689A CN 200710125668 A CN200710125668 A CN 200710125668A CN 101472439 B CN101472439 B CN 101472439B
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- China
- Prior art keywords
- radiator
- heat abstractor
- platform
- heat
- radiator fan
- Prior art date
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Abstract
A heat sink includes a radiator, a base and a radiator fan. Two supporting parts for supporting the radiator fan and one platform arranged between the two supporting parts are arranged at the top part of the radiator; the platform is right towards the middle part of the radiator fan, a depressed part is formed between the platform and each supporting part on top of the heat sink, two air chamber are formed between the depressed part and the radiator fan, and are right towards the both sides of the middle part of the radiator fan; an accommodating space is arranged at the bottom part of the radiator, and provided with two inclined planes; and the base is provided with two inclined planes, accommodated in the accommodating space, and in contact with the inclined planes. Therefore, the air chamber and the inclined planes can reduce collision of airflows generated by the radiator fan with the radiator and the base, reduce airflow energy loss, and improve the radiating efficiency of the heat sink.
Description
Technical field
The present invention relates to a kind of heat abstractor to the heat-generating electronic elements heat radiation.
Background technology
Fig. 5 is the schematic diagram of an existing heat abstractor 20, and described heat abstractor 20 comprises a flat pedestal 22, by described pedestal 22 upwardly extending several radiating fins 24 and be positioned at a radiator fan 26 on the described radiating fin 24.
When described heat abstractor 20 is worked, described pedestal 22 absorbs heat by the heat-generating electronic elements place, and with described heat transferred to described radiating fin 24, described radiator fan 26 produces air-flows and blows to described radiating fin 24 and pedestal 22, and the heat at radiating fin 24 and pedestal 22 places is distributed in the surrounding environment.
In the course of work of above-mentioned heat abstractor 20, when the air-flow that radiator fan 26 produces blows to radiating fin 24 and pedestal 22, can bump with the top and the pedestal 22 of radiating fin 24, the energy loss that causes described air-flow, thereby reduce the flow velocity of the air-flow of radiating fin 24 and pedestal 22, influence the radiating effect of heat abstractor 20.
Summary of the invention
In view of this, be necessary to provide a kind of heat abstractor of tool better heat dissipation effect.
A kind of heat abstractor, comprise radiator, pedestal and radiator fan, the top of described radiator has two support portions and the platform between these two support portions that supports radiator fan, described platform is over against the middle part of described radiator fan, a depressed part is formed respectively between described platform and each support portion on the top of described radiator, form 2 air chambers between described two depressed parts and the radiator fan, described 2 air chambers is respectively over against the both sides at radiator fan middle part, the bottom of described radiator is provided with a receiving space, described receiving space has two inclined-planes, and described pedestal has the side of two inclinations and is contained in the described receiving space and contacts with described inclined-plane.
A kind of heat abstractor, comprise radiator, pedestal and radiator fan, the top of described radiator has two support portions and two depressed parts between these two support portions that support radiator fan, described radiator also is provided with a platform between described two support portions, the upper surface coplane of the upper surface of described support portion and platform, described two depressed parts are located at the both sides of described platform respectively, form 2 air chambers between described depressed part and the radiator fan, the bottom of described radiator is provided with a receiving space, described receiving space has two inclined-planes, and described pedestal has the side of two inclinations and is contained in the described receiving space and contacts with described inclined-plane.
In the course of work of above-mentioned heat abstractor, when the air-flow of radiator fan generation blows to radiator, the air chamber that it forms between depressed part through radiator fan and radiator earlier, the place redistributes air-flow at air chamber, make it flow in the space that forms between radiating fin equably with higher speed, promote the radiating effect of heat abstractor, the inclined-plane of described receiving space can reduce the collision of pedestal and air-flow, further promotes the radiating effect of heat radiation heat abstractor.
Description of drawings
Fig. 1 is the schematic perspective view of a preferred embodiment of heat abstractor of the present invention.
Fig. 2 is the decomposing schematic representation of heat abstractor shown in Figure 1.
Fig. 3 is the decomposing schematic representation of another angle of heat abstractor shown in Figure 1.
Fig. 4 is the front view of radiator among Fig. 1.
Fig. 5 is the schematic diagram of existing heat abstractor.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
Fig. 1 comprises that to heat abstractor 100 shown in Figure 4 a radiator 200, is embedded in the pedestal 300 of radiator 200 bottoms, is arranged in two heat pipes 400 in the radiator 200 and a radiator fan 500 being located at radiator 200 tops.
Described radiator 200 is stacked by several single radiating fins and forms, and it comprises a top 220 and the bottom 240 relative with top 220.
The top 220 of described radiator 200 roughly is W shape, and the top 220 of described radiator 200 comprises a platform 224 that is positioned at 220 middle parts, top, is positioned at the depressed part 226 of two arcs of described platform 224 both sides, is positioned at two flat support portions 222 of depressed part 226 both sides and two adjutages 229 that are positioned at 222 both sides, support portion.
Wherein, form a long and narrow groove 228 between described platform 224 and each depressed part 226 respectively, described groove 228 cuts off the both sides and the described depressed part 226 of described platform 224, and the both sides of platform 224 and described depressed part 226 are separated.Described groove 228 is used to accommodate a fastener (figure do not show), described heat abstractor 100 is fixed on the peripheral element such as circuit board.The upper surface coplane of the upper surface of described platform 224 and support portion 222, the upper surface that makes described platform 224 and support portion 222 contacts with the middle part and the both sides of the lower surface of radiator fan 500 respectively, and be two air chambers of position formation at depressed part 226 places below radiator fan 500, the air-flow that radiator fan 500 is produced can flow in the space that forms between radiating fin behind described air chamber equably.Described adjutage 229 is roughly rectangular, and its outside vertical by described support portion 222 extends upward, and increasing the area of dissipation of described radiator 200, and described radiator fan 500 is located between the inner surface of described adjutage 229.
The elongated slot 244 that the bottom 240 of described radiator 200 is provided with a receiving space 242 and is positioned at a rectangle on receiving space 242 tops.Described elongated slot 244 comprises a roof 2442 and two sidewalls 2444 that extended vertically downward by two opposite ends of roof 2442.Described receiving space 242 comprises two inclined-planes 2422 that are positioned at elongated slot 244 both sides, and each inclined-plane 2422 is by end downward and outward-dipping extension to the lower surface of radiator 200 of the sidewall 2444 of elongated slot 244.
Described pedestal 300 is contained in the receiving space 242 of radiator 200, and it is trapezoidal that its cross section roughly is.Described pedestal 300 comprises a plane bottom surface 320, the end face 340 parallel with described bottom surface 320 and the side 360 of two inclinations between end face 340 and bottom surface 320.The bottom surface 320 of described pedestal 300 contacts with a heat-generating electronic elements, absorbs heat by the heat-generating electronic elements place.The size of described end face 340 is less than the size of described bottom surface 320, make of the both sides downwards also outward-dipping extension of the side 360 of described pedestal 300 by pre-face 340, when described pedestal 300 was contained in the receiving space 242 of radiator 200, the side 360 of described pedestal 300 contacted with the inclined-plane 2422 of described receiving space 242.
Described heat pipe 400 all takes the shape of the letter U, and comprises that condensation segment 440 that a flat evaporation section 420, one and described evaporation section 420 parallel and one are connected the linkage section 460 of described evaporation section 420 and condensation segment 440.The evaporation section 420 of described heat pipe 400 is contained in the elongated slot 244 of radiator 200, with end face 340 hot links of pedestal 300, by the pedestal 300 places absorption heat of radiator 200.The condensation segment 440 of described heat pipe 400 is inserted in the through hole of the top 220 of radiator 200 offering 230, and the heat transferred that will be absorbed by pedestal 300 places is to the top 220 of radiator 200.
During 100 assemblings of above-mentioned heat abstractor, described heat pipe 400 is inserted in the radiator 200 along relative direction by the forward and backward both sides of radiator 200 respectively, makes the linkage section 460 of described heat pipe 400 lay respectively at the forward and backward both sides of radiator 200.At this moment, the evaporation section 420 of heat pipe 400 and condensation segment 440 are contained in respectively in the through hole 230 at the elongated slot 244 of described radiator 200 bottoms 240 and top 220, the distance that described evaporation section is 420 roughly is in the shape of the letter V the arrangement mode of described heat pipe 400 less than the distance of 440 of described condensation segments.
Then, pedestal 300 is placed in the receiving space 242 of radiator 200, the side 360 of pedestal 300 and the inclined-plane 2422 of described receiving space 242 are connected, the end face 340 that makes pedestal 300 simultaneously connects with the lower surface of the evaporation section 420 of heat pipe 400, at last, radiator fan 500 is placed on the platform 224 and support portion 222 of radiator 200, and be located between the described adjutage 229, between the depressed part 226 of the lower surface of radiator fan 500 and radiator 200, form described air chamber.
When above-mentioned heat abstractor 100 is worked, the bottom surface 320 of described pedestal 300 absorbs heat by the heat-generating electronic elements place, wherein a part of heat passes to the bottom 240 of radiator 200 by the side 360 of pedestal 300, pass to the top 220 of radiator 200 then, wherein another part heat passes to the evaporation section 420 of heat pipe 400 by the end face 340 of pedestal 300, is passed to the top 220 of radiator 200 then by the condensation segment 440 of heat pipe 400.Simultaneously, radiator fan 500 produces air-flow and radiator 200 tops 220 and bottom 240 heat-shifts, with the heat transferred surrounding environment at radiator 200 places, realizes the heat radiation to heat-generating electronic elements.
In the course of work of heat abstractor 100, when the air-flow of radiator fan 500 generations blows to radiator 200, it is the air chamber through forming between the depressed part 226 of radiator fan 500 and radiator 200 earlier, the place redistributes air-flow at air chamber, it is flowed to equably with higher speed in the space that forms between radiating fin, promote the radiating effect of heat abstractor 100; In addition,, make around the air-flow that flows to pedestal 300 can flow to pedestal 300 along described side 360, reduced the collision of pedestal 300, further promoted heat abstractor 100 radiating effects with air-flow because pedestal 300 has the side 360 of inclination.
Claims (16)
1. heat abstractor, comprise radiator, pedestal and radiator fan, it is characterized in that: the top of described radiator has two support portions and the platform between these two support portions that supports radiator fan, described platform is over against the middle part of described radiator fan, a depressed part is formed respectively between described platform and each support portion on the top of described radiator, form 2 air chambers between described two depressed parts and the radiator fan, described 2 air chambers is respectively over against the both sides at radiator fan middle part, the bottom of described radiator is provided with a receiving space, described receiving space has two inclined-planes, and described pedestal has the side of two inclinations and is contained in the described receiving space and contacts with described inclined-plane.
2. heat abstractor as claimed in claim 1 is characterized in that the top of described radiator is W shape.
3. heat abstractor as claimed in claim 1 is characterized in that, the upper surface coplane of the upper surface of described support portion and platform.
4. heat abstractor as claimed in claim 3 is characterized in that, the both sides of described platform are provided with two grooves, and described groove cuts off the both sides and the described depressed part of described platform.
5. heat abstractor as claimed in claim 1 is characterized in that, is extended with two adjutages on the lateral of described two support portions, and described radiator fan is located between the described adjutage.
6. heat abstractor as claimed in claim 1 is characterized in that, the cross section of described pedestal is trapezoidal.
7. heat abstractor as claimed in claim 6, it is characterized in that, described heat abstractor also has at least one heat pipe, described radiator also has an elongated slot that is positioned at receiving space top, and described heat pipe has the evaporation section and the condensation segment that is arranged in the top of radiator that are positioned at described elongated slot.
8. heat abstractor as claimed in claim 7 is characterized in that, two sidewalls that described elongated slot has a roof and is positioned at the roof both sides, and described two inclined-planes are positioned at the both sides of the sidewall of described elongated slot.
9. heat abstractor as claimed in claim 6, it is characterized in that, described heat abstractor also has two heat pipes, described heat pipe has and the hot linked evaporation section of pedestal, the condensation segment at top that is arranged in radiator and the linkage section that is connected described evaporation section and condensation segment, and the linkage section of described heat pipe is positioned at two opposite sides of described radiator.
10. heat abstractor as claimed in claim 9 is characterized in that the distance between the evaporation section of described two heat pipes is less than the distance between condensation segment.
11. heat abstractor, comprise radiator, pedestal and radiator fan, it is characterized in that: the top of described radiator has two support portions and two depressed parts between these two support portions that support radiator fan, described radiator also is provided with a platform between described two support portions, the upper surface coplane of the upper surface of described support portion and platform, described two depressed parts are located at the both sides of described platform respectively, form 2 air chambers between described depressed part and the radiator fan, the bottom of described radiator is provided with a receiving space, described receiving space has two inclined-planes, and described pedestal has the side of two inclinations and is contained in the described receiving space and contacts with described inclined-plane.
12. heat abstractor as claimed in claim 11 is characterized in that, the top of described radiator is W shape.
13. heat abstractor as claimed in claim 11 is characterized in that, is extended with two adjutages on the lateral of described two support portions, described radiator fan is located between the described adjutage.
14. heat abstractor as claimed in claim 11 is characterized in that, the cross section of described pedestal is trapezoidal.
15. heat abstractor as claimed in claim 14, it is characterized in that, described heat abstractor also has at least one heat pipe, described radiator also has an elongated slot that is positioned at receiving space top, and described heat pipe has the evaporation section and the condensation segment that is arranged in the top of radiator that are positioned at described elongated slot.
16. heat abstractor as claimed in claim 15 is characterized in that, two sidewalls that described elongated slot has a roof and is positioned at the roof both sides, and described two inclined-planes are positioned at the both sides of the sidewall of described elongated slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101256689A CN101472439B (en) | 2007-12-29 | 2007-12-29 | Radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101256689A CN101472439B (en) | 2007-12-29 | 2007-12-29 | Radiating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101472439A CN101472439A (en) | 2009-07-01 |
| CN101472439B true CN101472439B (en) | 2011-09-28 |
Family
ID=40829439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101256689A Expired - Fee Related CN101472439B (en) | 2007-12-29 | 2007-12-29 | Radiating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101472439B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2664184Y (en) * | 2003-11-17 | 2004-12-15 | 鸿富锦精密工业（深圳）有限公司 | Heat sink |
| CN2681344Y (en) * | 2003-12-26 | 2005-02-23 | 鸿富锦精密工业（深圳）有限公司 | Heat sink assembly |
-
2007
- 2007-12-29 CN CN2007101256689A patent/CN101472439B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2664184Y (en) * | 2003-11-17 | 2004-12-15 | 鸿富锦精密工业（深圳）有限公司 | Heat sink |
| CN2681344Y (en) * | 2003-12-26 | 2005-02-23 | 鸿富锦精密工业（深圳）有限公司 | Heat sink assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101472439A (en) | 2009-07-01 |
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Granted publication date: 20110928 Termination date: 20131229 |