CN201374893Y - Heat radiation component and electronic device utilizing same - Google Patents
Heat radiation component and electronic device utilizing same Download PDFInfo
- Publication number
- CN201374893Y CN201374893Y CN200920002358U CN200920002358U CN201374893Y CN 201374893 Y CN201374893 Y CN 201374893Y CN 200920002358 U CN200920002358 U CN 200920002358U CN 200920002358 U CN200920002358 U CN 200920002358U CN 201374893 Y CN201374893 Y CN 201374893Y
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- heat pipe
- heat
- fin group
- radiating fin
- radiating
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Abstract
The utility model relates to a heat radiation component and an electric device utilizing same. The electronic device comprises a plurality of heating sources and a heat radiation component. The heat radiation component comprises a heat tube, a first heat radiation fin assembly, a second heat radiation fin assembly and a fan. The heat pipe is contacted with the heating sources. The first and the second heat radiation fin assemblies are respectively contacted with two ends of the heat pipe, and the heat which is generated by the heating sources is conveyed to the first and the second heat radiation fin assemblies through the two ends of the heat pipe. The fan is used for supplying an air stream to blow towards the first and the second heat radiation fin assemblies so as to radiate the heat.
Description
Technical field
The relevant a kind of radiating subassembly of the utility model and use its electronic installation, and particularly relevant a kind of electronic installation that is used for the radiating subassembly of a plurality of pyrotoxins and uses it.
Background technology
Along with progress, the process of semiconductor science and technology constantly dwindles, the transistor size of unit are is multiple grows up, and makes chip usefulness advance by leaps and bounds.Relatively, the unit caloric value of chip also constantly increases, particularly current electronic product inner member aggregation degree increase and product miniaturization, light-weighted trend under, how to dispel the heat at the electronic product inner member effectively, this becomes a considerable problem gradually.
As notebook or super can taking in the electronic product such as computer, the efficient of heat radiation has had a strong impact on the usefulness and the stability of System Operation.And wherein main pyrotoxin comprises elements such as Winchester disk drive, CPU, north bridge chips, South Bridge chip, display chip.In general, for the chip or the chipset that are arranged on the mainboard, use a radiating subassembly mostly, a plurality of heat pipes of arranging in pairs or groups dispel the heat at above-mentioned pyrotoxin.General common mode, an end in contact of each heat pipe is in fin, and the other end is contacted with one or more chips.Yet this kind mode also can't effectively be utilized the usefulness of fan.For instance, only CPU operates at full speed in these pyrotoxins, and when producing a large amount of heat with respect to other pyrotoxin, and radiating subassembly is in order to dispel the heat to CPU, can allow the fan full-speed operation.At this moment, the air-flow that fan blows out is except that blowing to the fin that real needs dispel the heat (being the fin corresponding to CPU herein), still blow towards other fin that need not dispel the heat, the usefulness that makes fan only certain applications is really needing to have reduced the utilance of fan on the fin of heat radiation.
In addition, include a kind of design that heat pipe two ends is contacted with the different heat source respectively in the prior art.When yet this kind aspect is heated in a large number when an end of heat pipe, heat can be towards the other end diffusion of heat pipe, the anti-ballistic chipset temperature that causes the other end raises, even the phenomenon of heat pipe partial failure takes place, and causes problems such as radiating efficiency is not good, the reduction of chip running stability.
The utility model content
The purpose of this utility model is exactly a kind of radiating subassembly to be provided and to use its electronic installation, and it utilizes single heat pipe to carry out the heat radiation of a plurality of pyrotoxins, with heat transferred to the heat pipe two ends to dispel the heat by the radiating fin group.
One side of the present utility model provides a kind of radiating subassembly, comprises a heat pipe, one first radiating fin group, one second radiating fin group and a fan.Heat pipe is contacted with a plurality of pyrotoxins.The first radiating fin group and the second radiating fin group are contacted with the two ends of heat pipe respectively.The heat that these pyrotoxins produce transmits two radiating fin groups so far by the two ends of heat pipe respectively.Fan blows to first and second radiating fin group in order to an air-flow to be provided, to dispel the heat.
Of the present utility modelly provide a kind of electronic installation on the other hand, comprise a plurality of pyrotoxins and a radiating subassembly.Radiating subassembly comprises a heat pipe, one first radiating fin group, one second radiating fin group and a fan.Heat pipe is contacted with a plurality of pyrotoxins.The first radiating fin group and the second radiating fin group are contacted with the two ends of heat pipe respectively.The heat that these pyrotoxins produce transmits two radiating fin groups so far by the two ends of this heat pipe respectively.Fan blows to first and second radiating fin group in order to an air-flow to be provided, to dispel the heat.
Useful technique effect of the present utility model is: utilize single heat pipe to contact a plurality of different pyrotoxins, heat transferred extremely is contacted with first and second radiating fin group at heat pipe two ends respectively, the heat that makes arbitrary pyrotoxin produce all can dispel the heat by two radiating fin groups, utilance, the enhancement radiating efficiency of fan usefulness can be promoted, and the problem of heat pipe partial failure can be avoided.
Description of drawings
For above-mentioned and other purpose, feature, advantage of the present utility model can be become apparent, below conjunction with figs. is described preferred embodiment of the present utility model, wherein:
Figure 1A illustrates the front view according to the radiating subassembly of the utility model one preferred embodiment.
Figure 1B illustrates the rearview according to the radiating subassembly of the utility model one preferred embodiment.
Fig. 2 illustrates the schematic diagram of first, second radiating fin group and heat pipe among Figure 1A.
Fig. 3 illustrates the part schematic diagram according to the electronic installation of the utility model one preferred embodiment.
Embodiment
Radiating subassembly of the present utility model, use the heat that single heat pipe produces a plurality of pyrotoxins, be passed to the two radiating fin groups that are contacted with the heat pipe two ends respectively, the heat that makes arbitrary pyrotoxin produce can dispel the heat by two radiating fin groups, promotes the utilization ratio of fan.Even the caloric value of a pyrotoxin, still can be kept stable heat radiation circulation greater than the caloric value of other pyrotoxin, avoid the problem of heat pipe partial failure.
Below be that radiating subassembly at the utility model one preferred embodiment describes, please be simultaneously with reference to Figure 1A and Figure 1B, it illustrates front view and rearview according to the radiating subassembly of the utility model one preferred embodiment respectively.Radiating subassembly 100 comprises a heat pipe 130, one first radiating fin group 111, one second radiating fin group 112 and a fan 150.Heat pipe 130 is contacted with a plurality of pyrotoxins 231,232,233.The first radiating fin group 111 and the second radiating fin group 112 are contacted with the two ends of heat pipe 130 respectively.The heat that these pyrotoxins 231,232,233 produce, the two ends by heat pipe 130 are passed to the first radiating fin group 111 and the second radiating fin group 112 respectively.Fan 150 blows to the first radiating fin group 111 and the second radiating fin group 112 in order to an air-flow to be provided, with heat from the first radiating fin group 111 and the second radiating fin group 112 loose from.
Please refer to Fig. 2, it illustrates the schematic diagram of first, second radiating fin group and radiating tube heat pipe among Figure 1A.In the present embodiment, heat pipe 130 is a U font haply.The first radiating fin group 111 and the second radiating fin group 112 are contacted with the two ends of heat pipe 130 respectively, and these pyrotoxins 231,232,233 are contacted with between the two ends of heat pipe 130.In the present embodiment, heat pipe 130 is preferably for utilizing a working fluid to carry out heat transferred, and heat pipe 130 is an airtight body, has less than 1 atmospheric pipe internal pressure.In the practical application, can be with the formation rough vacuum of bleeding in the heat pipe 130.The heat transferred that these pyrotoxins 231,232,233 produce is to heat pipe 130, and the working fluid in the heat pipe 130 just absorbs heat of vaporization under low vacuum state be the steam of working fluid.The part that heat pipe 130 is contacted with these pyrotoxins 231,232,233 is the evaporation ends of heat pipe 130.
Working fluid between heat pipe 130 two ends because evaporation back volumetric expansion produces a vapour pressure, makes steam partly spread towards the low vacuum state at heat pipe 130 two ends.When diffusion of vapor to heat pipe 130 two ends, the first radiating fin group 111 by being contacted with heat pipe 130 two ends respectively and the second radiating fin group 112 are dispelled the heat the heat of the steam of working fluid and are cooled off.The two ends that heat pipe 130 is contacted with the first radiating fin group 111 and the second radiating fin group 112 are condensation ends of heat pipe 130.Cooled vapor condenses is a working fluid, and the micro hole structure that inboard tube wall had that sees through heat pipe 130 provides a capillary force to working fluid, condensed working fluid is moved back to the evaporation ends of heat pipe 130, that is get back to heat pipe 130 and be contacted with these pyrotoxin 231,232,233 parts.
Because the first radiating fin group 111 and the second radiating fin group 112 lay respectively at the two ends of heat pipe 130, so the part between the two ends of heat pipe 130 and heat pipe 130 two ends forms a thermal cycle.Thus, one of any heat that is produced in these pyrotoxins 231,232,233, all can along with the diffusion of vapor of working fluid to heat pipe 130 two ends, dispel the heat by the first radiating fin group 111 and the second radiating fin group 112 with the time.Provide air-flow in the first radiating fin group 111 and the second radiating fin group 112 simultaneously during fan 150 runnings, to dispel the heat for the first radiating fin group 111 and the second radiating fin group 112 simultaneously.Like this, can effectively promote radiating efficiency, the accumulation of heat of avoiding a pyrotoxin is wherein produced is at another pyrotoxin, in order to avoid cause the too high problem of another pyrotoxin temperature.In addition, because the part between place, the two ends of heat pipe 130 and heat pipe 130 two ends forms stable heat radiation circulation, can avoid taking place the problem of heat pipe 130 partial failures.
The radiating subassembly 100 of present embodiment can carry out the heat radiation of high power, multiple thermal source effectively.That is compared to existing heat pipe, when identical heat radiation wattage, radiating subassembly 100 of the present utility model can adopt more small-bore heat pipe 130, can save cost, and improves design flexibility.
Please refer to Figure 1A, radiating subassembly 100 also comprises a housing 170, and housing 170 has two gas outlet 170a, 170b.Fan 150 is arranged in the housing 170, and the air-flow that fan 150 provides is to leave radiating subassembly 100 by two gas outlet 170a, 170b.Further, air-flow is to leave radiating subassembly 100 by two gas outlet 170a, 170b along two outgassing direction W1, W2.In the radiating subassembly 100 according to the utility model preferred embodiment, the first radiating fin group 111 and the second radiating fin group 112 are arranged at two gas outlet 170a, 170b respectively, and this two give vent to anger direction W1, W2 approximate vertical.In addition, fan 150 is a centrifugal fan for example in the present embodiment, and has a rotation flabellum.Fan 150 is along the axial admission that rotates flabellum, and along rotating radially giving vent to anger of flabellum.
On the other hand, the radiating subassembly 100 of present embodiment can be applicable in the electronic installation.Please refer to Fig. 3, it illustrates the part schematic diagram according to the electronic installation of the utility model one preferred embodiment.Electronic installation 200 comprises a plurality of pyrotoxins 231,232,233 and radiating subassembly 100, the first radiating fin group 111 and the second radiating fin group 112 are arranged at heat pipe 130 two ends respectively, and the part between heat pipe 130 two ends is contacted with these pyrotoxins 231,232,233.In the practical application, electronic installation 200 can be a notebook, and the heat that these pyrotoxins 231,232,233 produced in the unit interval is unequal.These pyrotoxins 231,232,233 can for example be respectively a north bridge chips, display chip and CPU.Yet radiating subassembly 100 can be not restricted to this in order to the pyrotoxin that dispels the heat, and other can produce heat, have the element of radiating requirements, all can utilize the radiating subassembly 100 of present embodiment to dispel the heat.
As shown in Figure 3, these pyrotoxins 231,232,233 are arranged at respectively on the mainboard 210, and heat pipe 130 is contacted with these pyrotoxins 231,232,233 respectively with the U font haply.Yet the shape of heat pipe 130 is as limit, every the heat pipe two ends is contacted with the radiating fin group respectively, and makes a plurality of pyrotoxins be contacted with part person between the heat pipe two ends, all belongs to scope of the present utility model.
In addition, in the radiating subassembly 100 of present embodiment, even the heat that these pyrotoxins 231,232,233 produced in the unit interval is unequal, the place, two ends and the part between heat pipe 130 two ends of heat pipe 130 still form stable working fluid phase change circulation, can avoid the problem of heat pipe 130 partial failures.
Above-mentioned according to the utility model preferred embodiment radiating subassembly and use its electronic installation, utilize the two ends of single heat pipe to be contacted with the radiating fin group respectively, and the part between the heat pipe two ends is contacted with the mode of a plurality of source of heat releases, makes the two ends of heat pipe form the condensation end of working fluid phase change.Whereby, can form stable heat radiation circulation in the heat pipe, avoid the problem of heat pipe partial failure.In addition, the heat that arbitrary pyrotoxin produces all can be dispelled the heat by the radiating fin group at heat pipe two ends, can promote radiating efficiency, and can fully use fan usefulness.Moreover the utility model can promote the maximum wattage that heat pipe can transmit, and then save cost and promote design flexibility under the heat pipe condition of using identical material and specification.
Though the utility model discloses as above with execution mode; yet it is not in order to limit the utility model; any person skilled in the art person; in not breaking away from spirit and scope of the present utility model; when can doing various changes that are equal to or replacement, therefore protection range of the present utility model is when looking accompanying being as the criterion that the application's claim scope defined.
Claims (20)
1. a radiating subassembly is characterized in that, comprising:
One heat pipe is contacted with a plurality of pyrotoxins;
One first radiating fin group and one second radiating fin group are contacted with the two ends of this heat pipe respectively, and the heat that described pyrotoxin produces is passed to this first radiating fin group and this second radiating fin group by the two ends of this heat pipe respectively; And
One fan blows to this first radiating fin group and this second radiating fin group in order to an air-flow to be provided, to dispel the heat.
2. radiating subassembly according to claim 1 is characterized in that, this heat pipe is a U font.
3. radiating subassembly according to claim 1 is characterized in that described pyrotoxin is contacted with between the two ends of this heat pipe.
4. radiating subassembly according to claim 3 is characterized in that this heat pipe has a kind of working fluid, and the heat that described pyrotoxin produces is passed to the two ends of this heat pipe by this working fluid.
5. radiating subassembly according to claim 4 is characterized in that, the inboard tube wall of this heat pipe has a micro hole structure.
6. radiating subassembly according to claim 4 is characterized in that, this working fluid is a water.
7. radiating subassembly according to claim 1 is characterized in that, this heat pipe is an airtight body, and has less than 1 atmospheric pipe internal pressure.
8. radiating subassembly according to claim 1 is characterized in that, this radiating subassembly also comprises:
One housing, this fan are arranged in this housing, and this housing has two gas outlets, and wherein this air-flow leaves this radiating subassembly by this two gas outlet along two outgassing directions, this two direction approximate vertical of giving vent to anger.
9. radiating subassembly according to claim 8 is characterized in that, this first radiating fin group and this second radiating fin group are arranged at this two gas outlet respectively.
10. an electronic installation is characterized in that, comprising:
A plurality of pyrotoxins; And
One radiating subassembly comprises:
One heat pipe is contacted with described pyrotoxin;
One first radiating fin group and one second radiating fin group are contacted with the two ends of this heat pipe respectively, and the heat that described pyrotoxin produces is passed to this first radiating fin group and this second radiating fin group by the two ends of this heat pipe; And
One fan blows to this first radiating fin group and this second radiating fin group in order to an air-flow to be provided, to dispel the heat.
11. electronic installation according to claim 10 is characterized in that, this heat pipe is a U font.
12. electronic installation according to claim 10 is characterized in that, described pyrotoxin is contacted with between the two ends of this heat pipe.
13. electronic installation according to claim 12 is characterized in that, this heat pipe has a kind of working fluid, and the heat that described pyrotoxin produces is passed to the two ends of this heat pipe by this working fluid.
14. electronic installation according to claim 13 is characterized in that, the inboard tube wall of this heat pipe has a micro hole structure.
15. electronic installation according to claim 13 is characterized in that, this working fluid is a water.
16. electronic installation according to claim 10 is characterized in that, this heat pipe is an airtight body, and has less than 1 atmospheric pipe internal pressure.
17. electronic installation according to claim 10 is characterized in that, this radiating subassembly also comprises;
One housing, this fan are arranged in this housing, and this housing has two gas outlets, and wherein this air-flow leaves this radiating subassembly by this two gas outlet along two outgassing directions, this two direction approximate vertical of giving vent to anger.
18. electronic installation according to claim 17 is characterized in that, this first radiating fin group and this second radiating fin group are arranged at this two gas outlet respectively.
19. electronic installation according to claim 10 is characterized in that, described pyrotoxin comprises a central processing unit, a display chip and a north bridge chips.
20. electronic installation according to claim 10 is characterized in that, this electronic installation is a notebook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920002358U CN201374893Y (en) | 2009-01-23 | 2009-01-23 | Heat radiation component and electronic device utilizing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920002358U CN201374893Y (en) | 2009-01-23 | 2009-01-23 | Heat radiation component and electronic device utilizing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201374893Y true CN201374893Y (en) | 2009-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920002358U Expired - Fee Related CN201374893Y (en) | 2009-01-23 | 2009-01-23 | Heat radiation component and electronic device utilizing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201374893Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378552A (en) * | 2010-08-24 | 2012-03-14 | 富瑞精密组件（昆山）有限公司 | Radiating device and electronic device using same |
| CN106020398A (en) * | 2016-06-17 | 2016-10-12 | 广东工业大学 | CPU cooling device |
-
2009
- 2009-01-23 CN CN200920002358U patent/CN201374893Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378552A (en) * | 2010-08-24 | 2012-03-14 | 富瑞精密组件（昆山）有限公司 | Radiating device and electronic device using same |
| CN102378552B (en) * | 2010-08-24 | 2015-11-18 | 富瑞精密组件（昆山）有限公司 | Heat abstractor and use the electronic installation of this heat abstractor |
| CN106020398A (en) * | 2016-06-17 | 2016-10-12 | 广东工业大学 | CPU cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20160123 |
|
| EXPY | Termination of patent right or utility model |