CN100557791C - Heat spreader structures - Google Patents
Heat spreader structures Download PDFInfo
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- CN100557791C CN100557791C CNB200510124047XA CN200510124047A CN100557791C CN 100557791 C CN100557791 C CN 100557791C CN B200510124047X A CNB200510124047X A CN B200510124047XA CN 200510124047 A CN200510124047 A CN 200510124047A CN 100557791 C CN100557791 C CN 100557791C
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- heat
- spreader structures
- cooling liquid
- base plate
- heat spreader
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Abstract
The present invention relates to a kind of heat spreader structures, it comprises a central heat carrier, central authorities' heat carrier periphery extends plurality of radiating fins, inside has the through hole that two ends are run through, the through hole two-port is respectively with a cover plate and a base plate is airtight covers, formation can be for the room of filling cooling liquid, and wherein base plate adopts the coefficient of heat conduction to be higher than the material of radiator.Because of base plate can be changed the higher material of the coefficient of heat conduction very easily, the effect that makes it absorb, conduct heat energy is faster, better, cooperate the design of auxiliary heat dissipation sheet again, not only can increase heat exchange area with cooling liquid, can increase the eddy current mixed effect of cooling liquid again, the heat energy that makes wherein to be absorbed is quicker, spread out uniformly, and radiating effect the quickest, full blast is provided.
Description
Technical field
The present invention relates to a kind of heat spreader structures, it is disposed at its main operational unit of electronic product, to absorb, to conduct and to wave its heat energy that looses.
Background technology
As shown in Figure 1, a kind of " heat abstractor " for number No. 94130223 announcement of Taiwan application case, this heat abstractor comprises a radiator fan 50 and a radiator 21, radiator 21 directly posts and is contacted with heater 81 to absorb its heat energy, and 50 of radiator fans are disposed on the radiator 21 to disperse heat energy.
Wherein, radiator 21 includes a central heat carrier 22, central authorities' heat carrier 22 peripheries are outward extended with plurality of radiating fins 23, and has a monolateral slotted eye that runs through in the central heat carrier 22, this slotted eye port is again with a cover plate 24 airtight covering, make it form an absolute airtight medium altitude chamber 221, be filled with cooling liquid in the room 221, and be provided with an agitator 25, the rotor 53 of agitator 25 and radiator fan 50 is provided with separately at opposite position that tool magnetic is inhaled mutually, the magnetic conduction subassembly 251,54 of traction mutually, make agitator 25 can with rotor 53 run-in synchronisms.
So, when agitator 25 and rotor 53 run-in synchronisms, can stir the cooling liquid of institutes' filling in the room 221, make the cooling liquid that has absorbed heat energy become dynamic hot liquid, the heat energy diffusion uniformly soon of existing side by side conducts to each sheet radiating fin 23, is beneficial to radiator fan 50 heat radiations.
Hence one can see that, the speed of radiator 21 thermal conduction rate will determine the thermal effect of separating of entire heat dissipation module, because, cooling liquid in the room 221 still must absorb the heat energy of heater 81 by the heat-conduction effect of radiator 21, when the thermal conduction rate of radiator 21 is hanged down, agitator 25 can be said so lack scope for their abilities, when having only thermal conduction rate when radiator 21 high, and the radiating effect that agitator 25 competence exertions double.Therefore, in line with excelsior spirit, spy of the present invention further improves at the thermal conduction rate problem of radiator, in the hope of reaching quicker, more efficient radiating effect.
Summary of the invention
At the problems referred to above, main purpose of the present invention is to provide a kind of heat spreader structures, and the heat energy of its absorption can be quicker, spread out uniformly, obtains radiating effect the quickest, full blast.
For achieving the above object, a kind of heat spreader structures provided by the present invention, it comprises a central heat carrier, described central heat carrier periphery extends plurality of radiating fins, inside has the through hole that two ends are run through, it is characterized in that: described through hole two-port is respectively with a cover plate and a base plate is airtight covers, and formation can be for the room of filling cooling liquid.
The invention described above, the coefficient of heat conduction of described baseboard material is higher than the coefficient of heat conduction of described central heat carrier material.
The above the present invention, described base plate is stretched towards a pleurapophysis of room plural auxiliary heat dissipation sheet.
The above the present invention, described auxiliary heat dissipation sheet is the projection kenel of Any shape such as cylindric, flat column or sheet.
The above the present invention, described auxiliary heat dissipation sheet is not contour design.
The above the present invention, it is the highest that the height of described auxiliary heat dissipation sheet is designed to central authorities, is the ladder level all around and successively decreases.
The above the present invention, the highest around the height of described auxiliary heat dissipation sheet is designed to, be the ladder level to central authorities and successively decrease.
The above the present invention, described base plate adopts that spiral shell is established, riveted or a kind of in the mode such as stick together and combine with the through hole of described central heat carrier.
The above the present invention, the end face of the corresponding described base plate of described central heat carrier is provided with annular groove, has inserted O type ring in the described annular groove.
The above the present invention is provided with the agitator of rotatable stirring cooling liquid in the described room.
Adopt technique scheme, the present invention can be replaced by the higher material of the coefficient of heat conduction very easily owing to base plate, thus can absorb the heat energy of heater rapidly, and pass to cooling liquid fast.Cooperate the design of auxiliary heat dissipation sheet again, when agitator stirs cooling liquid, these auxiliary heat dissipation sheets can increase the heat exchange area with cooling liquid on the one hand, can increase the eddy current mixed effect of cooling liquid on the other hand, the heat energy that makes wherein to be absorbed is quicker, spread out uniformly, and radiating effect the quickest, full blast is provided.
Description of drawings
Fig. 1 is a whole generalized section of commonly using structure;
Fig. 2 is first kind of decomposing schematic representation of implementing kenel of the present invention;
Fig. 3 is first kind of whole generalized section of implementing kenel of the present invention;
Fig. 4 is second kind of decomposing schematic representation of implementing kenel of the present invention;
Fig. 5 is second kind of whole generalized section of implementing kenel of the present invention;
Fig. 6 is the whole generalized section of the third enforcement kenel of the present invention;
Fig. 7 is the 4th kind of whole generalized section of implementing kenel of the present invention.
Embodiment
The present invention is about a kind of heat spreader structures, has the through hole that two ends are run through in the central heat carrier of its radiator, the two-port place of this through hole is respectively with a cover plate and a base plate is airtight covers, form an absolute airtight medium altitude chamber, wherein, base plate can utilize the higher material of the coefficient of heat conduction, can absorb more rapidly, conduct the heat energy that heater produces, and is beneficial to radiator fan and drives heat.
Below promptly list several preferable enforcement kenels, and the relevant position of each member of conjunction with figs. explanation the present invention.
As Fig. 2, shown in Figure 3, radiator 21 has a central heat carrier 22, central authorities' heat carrier 22 peripheries outwards one are extended with plurality of radiating fins 23, and has a through hole in the central heat carrier 22, through hole is the kenel that two ends are run through, and the port at two ends is all separately with a cover plate 24 and a base plate 27 airtight covering, and the mode of covering therebetween can be spiral shell and establishes (as shown in FIG.), riveted or stick together ... etc. any combination that reaches sealing effectiveness.
Central authorities' heat carrier 22 corresponding cover plates 24 all are provided with annular groove 222 separately with the end face of base plate 27, have inserted O type ring 223 in the annular groove 222, make room 221 form an absolute airtight space.
Be filled with cooling liquid in the room 221, and be provided with agitator 25, and radiator 21 tops dispose a radiator fan 50 in addition, the rotor 53 of agitator 25 and radiator fan 50 is provided with separately at opposite position that tool magnetic is inhaled mutually, the magnetic conduction subassembly 251,54 of traction mutually, make agitator 25 can with rotor 53 run-in synchronisms.
Base plate of the present invention 27 because adopt that spiral shell is established, riveted or stick together ... combine with central heat carrier 22 etc. mode, make base plate 27 can adopt the coefficient of heat conduction to be higher than the material of central heat carrier 22 very easily, for example: copper, silver ... the material of contour thermal conduction rate, when making base plate 27 contact heating bodies 81, can absorb, conduct the heat energy that heater 81 is produced more rapidly, and the cooling liquid that heat energy is passed in the room 221 fast absorbs.
Therefore, when cooperating agitator 25 to stir cooling liquid, more can bring into play the radiating effect that doubles, make the cooling liquid that has absorbed heat energy become dynamic hot liquid, the heat energy diffusion uniformly soon of existing side by side conducts to each sheet radiating fin 23, be beneficial to radiator fan 50 and drive heat, reach quicker, more efficient radiating effect.
In addition, as Fig. 4, shown in Figure 5, set up plural auxiliary heat dissipation sheet 271 at base plate 27 towards a side of room 221, these auxiliary heat dissipation sheets 271 can be cylindric, flat column or sheet ... etc. the projection kenel (being cylindric shown in the figure) of Any shape, to assist the quicker more large-area conduction of heat energy, to be diffused into cooling liquid.
Therefore, when agitator 25 stirs cooling liquid, these auxiliary heat dissipation sheets 271 increase the contact area with cooling liquid on the one hand, the efficient of fast lifting heat exchange more, increase the stirring venturi effect of cooling liquid on the other hand, quicker, more uniform each the sheet radiating fin 23 that conducts to of the heat energy that cooling liquid is absorbed is beneficial to radiator fan 50 heat radiations.
Moreover when each auxiliary heat dissipation sheet during for not contour design, cooling liquid impacts each not contour auxiliary heat dissipation sheet, and the flow-disturbing flow field that is produced is also inequality, therefore can cause more eddy current in room 221.
Again as shown in Figure 6, the height of the auxiliary heat dissipation sheet 272 on the base plate 27 is the highest with central authorities, be the design that the ladder level successively decreases all around, make cooling liquid impact the auxiliary heat dissipation sheet 272 that each is arranged according to level in regular turn, and in room 221, produce more disturbance eddy current.
And for example shown in Figure 7, this height of implementing the auxiliary heat dissipation sheet 272 of kenel is the highest around being, be the design that the ladder level successively decreases to central authorities, make cooling liquid between each auxiliary heat dissipation sheet 272, form eddy flow, all can make more rapid diffusion of heat energy that cooling liquid absorbs, so that best radiating effect to be provided.
In sum, the designed radiator of the present invention can be convenient to change the better base plate of thermal conduction rate, better heat conduction and thermal diffusion function is provided, the heat energy that is produced to take away heater rapidly, if cooperate the design of auxiliary heat dissipation sheet again, the contact area of increase and cooling liquid forms more eddy current mixed effect on the other hand on the one hand, quicker, more uniform each the sheet radiating fin that conducts to of the heat energy that cooling liquid is absorbed, the real initiative that belongs in the middle of like product.
The above only is a preferable enforcement kenel of the present invention, and the equivalent structure that all application specification of the present invention, claims or accompanying drawing are done changes, and all should be included in the scope of patent protection of the present invention.
Claims (9)
1, a kind of heat spreader structures, it comprises a central heat carrier, described central heat carrier periphery extends a plurality of radiating fins, inside has the through hole that two ends are run through, it is characterized in that: described through hole two-port is respectively with a cover plate and a base plate is airtight covers, formation can be for the room of filling cooling liquid, be filled with cooling liquid in the described room, and be provided with the agitator that cooling liquid is stirred in rotation, described radiator top disposes a radiator fan in addition, described agitator is provided with tool magnetic with the rotor of described radiator fan separately at opposite position and inhales mutually, the magnetic conduction subassembly of traction makes described agitator and described rotor run-in synchronism mutually.
2, heat spreader structures as claimed in claim 1 is characterized in that: the coefficient of heat conduction of described baseboard material is higher than the coefficient of heat conduction of described central heat carrier material.
3, heat spreader structures as claimed in claim 1 is characterized in that: described base plate is stretched towards a pleurapophysis of room a plurality of auxiliary heat dissipation sheets.
4, heat spreader structures as claimed in claim 3 is characterized in that: described auxiliary heat dissipation sheet is the projection kenel of cylindric, flat column or sheet.
5, heat spreader structures as claimed in claim 3 is characterized in that: described auxiliary heat dissipation sheet is not contour design.
6, heat spreader structures as claimed in claim 5 is characterized in that: it is the highest that the height of described auxiliary heat dissipation sheet is designed to central authorities, is the ladder level all around and successively decreases.
7, heat spreader structures as claimed in claim 5 is characterized in that: the highest around the height of described auxiliary heat dissipation sheet is designed to, and be the ladder level to central authorities and successively decrease.
8, heat spreader structures as claimed in claim 1 is characterized in that: described base plate adopts that spiral shell is established, a kind of in riveted or the adhesive means combines with the through hole of described central heat carrier.
9, heat spreader structures as claimed in claim 1 is characterized in that: the end face of the corresponding described base plate of described central heat carrier is provided with annular groove, has inserted O type ring in the described annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510124047XA CN100557791C (en) | 2005-11-23 | 2005-11-23 | Heat spreader structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510124047XA CN100557791C (en) | 2005-11-23 | 2005-11-23 | Heat spreader structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1971892A CN1971892A (en) | 2007-05-30 |
| CN100557791C true CN100557791C (en) | 2009-11-04 |
Family
ID=38112608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510124047XA Expired - Fee Related CN100557791C (en) | 2005-11-23 | 2005-11-23 | Heat spreader structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100557791C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277020A (en) * | 2015-10-30 | 2016-01-27 | 成都标建铝业有限公司 | Aluminum sunflower radiator |
| CN109121337A (en) * | 2018-09-29 | 2019-01-01 | 江苏汇鑫新能源汽车科技有限公司 | A kind of controller for electric vehicle heat-dissipating casing |
| CN113552392A (en) * | 2020-04-24 | 2021-10-26 | 鸿劲精密股份有限公司 | Temperature conduction device, crimping mechanism and test classification equipment thereof |
-
2005
- 2005-11-23 CN CNB200510124047XA patent/CN100557791C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1971892A (en) | 2007-05-30 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20070530 Assignee: Kunshan Guangxing Electronics Co., Ltd. Assignor: Jianzhun Dynamo Ind Co., Ltd. Contract record no.: 2012990000632 Denomination of invention: Structure of radiator Granted publication date: 20091104 License type: Exclusive License Record date: 20120828 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20070530 Assignee: Kunshan Guangxing Electronics Co., Ltd. Assignor: Jianzhun Dynamo Ind Co., Ltd. Contract record no.: 2012990000632 Denomination of invention: Structure of radiator Granted publication date: 20091104 License type: Exclusive License Record date: 20120828 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20171123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |