CN2615864Y - Central geometrical varying heat radiator - Google Patents
Central geometrical varying heat radiator Download PDFInfo
- Publication number
- CN2615864Y CN2615864Y CN 03203344 CN03203344U CN2615864Y CN 2615864 Y CN2615864 Y CN 2615864Y CN 03203344 CN03203344 CN 03203344 CN 03203344 U CN03203344 U CN 03203344U CN 2615864 Y CN2615864 Y CN 2615864Y
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- Prior art keywords
- heat
- radiator
- centre bore
- center
- geometric deformation
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Abstract
The utility model provides a center geometric distortion radiator which is arranged on a heating source. The utility model comprises a radiator body with at least one center hole, a chassis sealed to the bottom of the radiator body center hole, a coping sealed to the top of the radiator body center hole, and heat conducting medium filled in the radiator body. The radiator body comprises at least five radiating portions set toward different directions in the center hole. Every radiating portion is provided with a plurality of parallel radiating fins of the same direction to form a good wind cross section with the integral group, thereby enabling at least some radiating fins and the central axis of the radiator body to form a predetermined bevel wind cross section.
Description
(1) technical field
The utility model relates to a kind of radiator, and it is big and can effectively evacuate the center geometric deformation radiator of heat particularly to relate to a kind of cooling surface area.
(2) background technology
Shown in Fig. 1,3, No. the 90200710th, the patent of Taiwan shown in the figure " the improvement structure of CPU radiating fin ", this fin 1 is to be installed in pyrotoxin 2 end faces that are positioned at a substrate 20, and this pyrotoxin 2 can be a central processing unit (CPU), integrated circuit (IC) chip (IC), module ... Deng; This fin 1 comprises one and has the heat sink body 11 of a centre bore 111, and a heat carrier 12 that is installed in this centre bore 111.
As shown in Figure 2, this heat sink body 11 has two groups of quartering radiating parts 112 that are right-angled intersection and are provided with towards different directions from this centre bore 111 respectively, each radiating part 112 has a plurality of parallel heat-dissipating fins 1121 in the same direction, forms a thermal capacitance zone 113 between this heat-dissipating fin 1121 and this centre bore 111.
As shown in Figure 3, this heat carrier 12 is to be installed in the centre bore 111 of this heat sink body 11, and its bottom face is to be sticked on this pyrotoxin 2, can be with most of heat up conduction rapidly of this pyrotoxin 2, and the cooling surface area that sees through this heat-dissipating fin 1121 is again evacuated waste heat; In addition, as shown in Figure 4, this fin also comprises a top cover 13 and a base 14 of the centre bore 111 that is sealed in this heat sink body 11 respectively, this top cover 13, this base 14 can define an accommodation chamber 15 with the inner face of this centre bore 111, for filling heat-conducting medium 16, borrow this base 14 can be sticked on this pyrotoxin 2, with most of heat up conduction rapidly of this pyrotoxin 2, the cooling surface area that sees through this heat-dissipating fin 1121 is again evacuated waste heat; But in fact still there is following shortcoming in above-mentioned radiating effect:
As shown in Figure 2, vertical radiating part 112 of this general fin 1 (be upper and lower to) is into the structural design that cross intersects vertically with heatsink transverse portion 112 (being left and right direction), make these heat-dissipating fin 1121 formed wind shear sections and be unfavorable for the play of air-flow, be that air-flow can't following current and hindered, can reduce the radiating effect of air-flow heat exchange relatively; What is particularly worth mentioning is that, there is the shortcoming of thermal capacitance thickness d deficiency in the thermal capacitance zone 113 that forms between this heat-dissipating fin 1121 and the centre bore 111 because of it, when heat carrier 12 or base 14 upwards conduct the main heat of pyrotoxin 2 rapidly, can't make heat effectively be passed to the end segment of this heat-dissipating fin 1121, can limit reduce the cooling surface area of this heat-dissipating fin 1121 relatively, thereby reduce radiating effect.
(3) utility model content
The purpose of this utility model is to provide a kind of cooling surface area big and can effectively evacuate the center geometric deformation radiator of heat.
According to a kind of center provided by the utility model geometric deformation radiator, be to be installed on the pyrotoxin, comprise and one have the radiator body of at least one centre bore, be installed in a chassis and a top cover at centre bore bottom with the top of this radiator body respectively, and one is filled in the interior heat-conducting medium of this radiator body; This radiator body is to be installed on this heat source, and comprise at least one centre bore, and at least five radiating parts that are provided with towards different directions from this centre bore respectively, each radiating part has a plurality of parallel heat-dissipating fins in the same direction and constitutes preferable wind shear section with whole group, and make at least partly heat-dissipating fin becomes pre-fixed inclination wind shear section with the central axis of radiator body; This chassis is sealed in the bottom of the centre bore of this radiator body, and be sticked on this pyrotoxin, the most of heat that makes this pyrotoxin is heat loss through conduction up rapidly, see through this radiator body again temperature is passed to the end segment of this heat-dissipating fin rapidly, and dispel the heat effectively by the formed big cooling surface area of this heat-dissipating fin; This top cover is sealed in the top of the centre bore of this radiator body, and defines an accommodation chamber by inner face, this chassis and the coating of this top cover of this centre bore; This heat-conducting medium is to be seated in this accommodation chamber.
(4) description of drawings
Below by most preferred embodiment and accompanying drawing the utility model center geometric deformation radiator is elaborated, in the accompanying drawing:
Fig. 1 is a three-dimensional exploded view of No. the 90200710th, Taiwan patent " the improvement structure of CPU radiating fin ".
Fig. 2 is a top view of a heat sink body of No. the 90200710th, Taiwan patent " the improvement structure of CPU radiating fin ".
Fig. 3 is the assembled sectional view of Fig. 1, illustrates in the centre bore of this heat sink body to be equiped with a heat carrier.
Fig. 4 is the assembled sectional view of Fig. 1, but illustrates that this fin has the accommodation chamber of a filling one heat-conducting medium.
Fig. 5 is a three-dimensional exploded view of first preferred embodiment of the present utility model, and the bottom and the top of the centre bore of this radiator body is described, respectively can be by the sealing of a chassis and a top cover and form an accommodation chamber.
Fig. 6 is an assembled sectional view of this first preferred embodiment.
Fig. 7 is an assembled sectional view of this first preferred embodiment, but illustrates that this chassis has the airtight room of the aqueous heat-conducting medium of a filling.
Fig. 8 is another stereogram of a radiator body of this first preferred embodiment, illustrates that this radiator body has five groups of outside respectively radiating parts towards different directions.
Fig. 9 is a three-dimensional exploded view of second preferred embodiment of the present utility model, illustrates that the centre bore of this radiator body has a shape of threads inner face.
Figure 10 is an assembled sectional view of this second preferred embodiment.
Figure 11 is a three-dimensional exploded view of the 3rd preferred embodiment of the present utility model, and five centre bores that have of this radiator body are described, each centre bore all is provided with a shape of threads inner face.
Figure 12 is an assembled sectional view of the 3rd preferred embodiment.
Figure 13 is a three-dimensional exploded view of the 4th preferred embodiment of the present utility model.
Figure 14 is a three-dimensional exploded view of the 5th preferred embodiment of the present utility model.
(5) embodiment
For convenience of description, at following embodiment, similarly assembly is to represent with same numeral.
Shown in Fig. 5,6, first preferred embodiment of center of the present utility model geometric deformation radiator, be to be installed on the pyrotoxin 2 ', and comprise one and be installed in this pyrotoxin 2 ' and go up and have the radiator body 3 of at least one centre bore 31, be sealed in the bottom and a chassis 6 and a top cover 7 at top of the centre bore 31 of this radiator body 3 respectively, and be seated in the interior heat-conducting medium 5 of this radiator body 3.
This radiator body 3 is to be installed on this pyrotoxin 2 ', and comprise a round center hole 31, and at least five radiating parts 32 that are provided with towards different directions from this centre bore 31 respectively, each radiating part 32 has a plurality of parallel heat-dissipating fins 321 in the same direction and constitutes preferable wind shear section with whole group, making at least partly, heat-dissipating fin 321 becomes pre-fixed inclination wind shear section with the central axis of radiator body 3, and it is long-pending to form bigger heat transfer surface, and form a thermal capacitance zone 33 with enough thermal capacitance thickness D between this heat-dissipating fin 321 and this centre bore 31, above-mentioned thermal capacitance thickness D depends on that being enough to the heat transferred of pyrotoxin 2 ' is design principle to the end segment of this heat-dissipating fin 321; Be to adopt in this example, also can change the radiator body with five radiating parts 32 3 that uses to as shown in Figure 8 just like the radiator body with six radiating parts 32 3 shown in Fig. 5,6.
What is particularly worth mentioning is that,, can spray Heat Conduction Material to all ring surfaces of this heat-dissipating fin 321, and can obtain better thermal conduction effect for strengthening the heat-conducting effect of this heat-dissipating fin 321.
This chassis 6 is sealed in the bottom of the centre bore 31 of this radiator body 3, and be sticked on this pyrotoxin 2 ', the most of heat that makes this pyrotoxin 2 ' is heat loss through conduction up rapidly, and comprise that one is installed in the circular top pedestal 61 in the round center hole 31 of this radiator body 3, an and base body 62 that links this footstock body 61; This footstock body 61 has the concave-arc part 611 that one day one, center line was recessed to form downwards, reaches the profile groove 612 that several ring is located at the outer circumferential side of this footstock body 61, and this profile groove 612 can enlarge the heat transfer surface of this footstock body 61 and amass; And the surface of this footstock body 61 can spray just like aluminium oxide, titanium nitride ... Deng Heat Conduction Material, to promote heat conduction efficiency.
As shown in Figure 7, this base body 62 also can have an airtight room 621 that is filled with heat-conducting medium 5, and at least one groove 622 that is located at the bottom inner face of this airtight room 621; The heat transfer type that this base body 62 is adopted, can roughly divide following four kinds according to the 5 groups of structure characteristics of heat-conducting medium that are seated in this close wall room 621: one, adopt the normal pressure conduction pattern, promptly fill the compound that constitutes through the high temperature sintering ground and mixed by multiple heat absorption or exothermic material element in it; Its two, be the spraying conduction pattern, can in aforesaid compound, mix add anti-oxidation element after, the inner face of airtight room 621 is bestowed the surface sprays and form; Its three, be general thermal conductance mode, be in this airtight room 621, to vacuumize the following single or composite material of filling: pure water, methyl alcohol, acetone, ammonia, nitrogen, sodium, lithium ... Deng or other equivalent material; Its four, be heat super conduction pattern, be to be selected from hydrogen, lithium, sodium, potassium, magnesium, calcium, strontium, barium ... or the like, adopt multiple element to form through the high temperature sintering ground and mixed, refill the aforementioned component thing after airtight room 621 is vacuumized and get.
This top cover 7 is sealed in the top of the centre bore 31 of this radiator body 3, and coat with this top cover 7 by the inner face 311 of this centre bore 31, this chassis 6 and to define an accommodation chamber 8, and have a filling mouth 71 that can enter this accommodation chamber 8 for these heat-conducting medium 5 fillings.This heat-conducting medium 5 is to be seated in this accommodation chamber 8.
In addition, this radiator also can be at the cohesive position of this chassis 6 and this centre bore 31, and the cohesive position that reaches this top cover 7 and this centre bore 31 is coated with an amount of heat-fusible materials 9, makes its tight binding, to obtain better sealing effectiveness.
Shown in Fig. 5,6, during use, when the temperature of this pyrotoxin 2 ' rises when central processing unit work (such as), the base body 62 on this chassis 6 can be with most of heat of pyrotoxin 2 ' heat loss through conduction up rapidly, see through the thermal capacitance zone 33 with enough thermal capacitance thickness D of this radiator body 3 again, temperature is passed to the end segment of this heat-dissipating fin 321 rapidly, and sees through by heat-dissipating fin 321 formed big cooling surface areas and dispel the heat effectively than the multi-disc number; When reality is used, because of as shown in Figure 2 the thermal capacitance thickness d of the utility model thermal capacitance thickness D as shown in Figure 6 greater than general fin 1, the utility model can make the heat of this pyrotoxin 2 ' effectively be passed to the end segment of this heat-dissipating fin 321 really, and cooling surface area is played effectiveness fully; Add six radiating parts 32 of the present utility model more heat-dissipating fin 321 that can be shaped, make the summation of cooling surface area bigger, and with this radiating part 32 is to be the not staggered intersection of isogonism, perseverance is better than general fin 1 formed wind shear section as shown in Figure 2, heat-dissipating fin 321 formed wind shear sections of the present utility model help the play of air-flow, be that air-flow can following current and can not be hindered, reach and significantly improve the radiating effect that air-flow changes temperature, will make the advantage that the utlity model has the temperature of effectively loosing rapidly.
Important and what deserves to be mentioned is, when the base body 62 with groove 622 structures as shown in Figure 7 is subjected to thermal excitation, no matter the operator is directly put this radiator body 3 or traverse all can make aqueous heat-conducting medium 5 conflux in this groove 622, make to concentrate to be subjected to thermal excitation and to produce the good heat transfer effect.
Shown in Fig. 9,10, second preferred embodiment of the present utility model, the place that is different from first preferred embodiment is: this centre bore 31 has the shape of threads inner face 311 that a tapping forms, after its spiral capillary structure can make filling heat-conducting medium 5 within it be subjected to thermal excitation, accelerated evaporation or condensation action are to obtain better heat-transfer effect.
Shown in Figure 11,12, the 3rd preferred embodiment of the present utility model, the place that is different from second preferred embodiment is: these centre bore 31 quantity are five holes, and all have a shape of threads inner face 311; This top cover 7 ' has a filling mouth 71 ' for perfusion heat-conducting medium 5, this chassis 6 ' has the circular groove 61 ' that a ring is located at its end face, with several to reservoir 62 ' that should centre bore 31, after heat-conducting medium 5 is filled into this centre bore 31, annular groove 61 ', reservoir 62 ' by this chassis 6 ' can be interconnected with this centre bore 31, and this heat-conducting medium 5 is circulated in this centre bore 31.
As shown in figure 13, the 4th preferred embodiment of the present utility model, the place that is different from first preferred embodiment is: this centre bore 31 has the inner face 311 ' of a vertical wavy capillary structure, this inner face also can change and is designed to vertical sine wave, triangular wave, irregular waveform capillary structure, and can be closed or open or discontinuous waveform (figure does not show), above-mentioned this inner face is except the heat transfer area that can increase its internal diameter, also can promote thermal conduction effect, reduce heat exchanger time, allow energy rapidly toward these heat-dissipating fin 321 direction transmission, and can reach the end segment of this heat-dissipating fin 321, obtain radiating effect completely.
As shown in figure 14, the 5th preferred embodiment of the present utility model, the place that is different from above-mentioned the 4th preferred embodiment is: the inner face 311 of this centre bore 31 " also can be vertical irregular wavy capillary structure as shown in figure 14; and this chassis 6 " change be designed to have a plurality of reservoirs 62 that are arranged with at its end face "; this reservoir 62 confluxes can to make aqueous heat-conducting mediums (figure does not show) in the centre bore 31 that is seated in this radiator body 3 " in, make to concentrate to be subjected to thermal excitation and to produce the good heat transfer effect.
Claims (11)
1. center geometric deformation radiator, be to be installed on the pyrotoxin, comprise a radiator body, be installed in a chassis and a top cover at the bottom and the top of this radiator body respectively, and a heat-conducting medium that is filled in this radiator body, it is characterized in that:
This radiator body, be to be installed on this pyrotoxin, and comprise at least one centre bore, and at least five radiating parts that are provided with towards different directions from this centre bore respectively, each radiating part has a plurality of parallel heat-dissipating fins in the same direction and constitutes preferable wind shear section with whole group, and make at least partly heat-dissipating fin becomes pre-fixed inclination wind shear section with the central axis of radiator body;
This chassis is sealed in the bottom of the centre bore of this radiator body, and is sticked on this pyrotoxin;
This top cover is sealed in the top of the centre bore of this radiator body, and coats by inner face, this chassis and this top cover of this centre bore and to define an accommodation chamber; And
This heat-conducting medium is to be seated in this accommodation chamber.
2. center as claimed in claim 1 geometric deformation radiator is characterized in that:
Form the thermal capacitance zone of an adequate thickness between this heat-dissipating fin and this accommodation chamber, the temperature of pyrotoxin is delivered to fully the end segment of this heat-dissipating fin.
3. center as claimed in claim 1 geometric deformation radiator is characterized in that:
This chassis has a footstock body that is installed in the centre bore of this radiator body, and a base body that is formed on the bottom.
4. center as claimed in claim 3 geometric deformation radiator is characterized in that:
This footstock body has the concave-arc part that one day one, center line was recessed to form downwards, and several ring is located at the heat transfer surface long-pending profile groove of outer circumferential side to enlarge this footstock body of this footstock body.
5. center as claimed in claim 3 geometric deformation radiator is characterized in that:
Be coated with Heat Conduction Material on the surface of this footstock body.
6. center as claimed in claim 3 geometric deformation radiator is characterized in that:
This base body has an airtight room that is filled with heat-conducting medium, and at least one groove that is located at the bottom inner face of this airtight room.
7. center as claimed in claim 1 geometric deformation radiator is characterized in that:
This centre bore has a shape of threads inner face.
8. center as claimed in claim 1 geometric deformation radiator is characterized in that:
This centre bore has the inner face of a vertical wavy capillary structure.
9. center as claimed in claim 1 geometric deformation radiator is characterized in that: this top cover has one and can supply this heat-conducting medium filling enter the filling mouth of this airtight room.
10. center as claimed in claim 1 geometric deformation radiator is characterized in that:
Also comprise the heat-fusible materials that is coated with the cohesive position that is located at this top cover and this centre bore.
11. center as claimed in claim 1 geometric deformation radiator is characterized in that:
Also comprise the heat-fusible materials that is coated with the cohesive position that is located at this chassis and this centre bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203344 CN2615864Y (en) | 2003-02-19 | 2003-02-19 | Central geometrical varying heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203344 CN2615864Y (en) | 2003-02-19 | 2003-02-19 | Central geometrical varying heat radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2615864Y true CN2615864Y (en) | 2004-05-12 |
Family
ID=34241263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03203344 Expired - Fee Related CN2615864Y (en) | 2003-02-19 | 2003-02-19 | Central geometrical varying heat radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2615864Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1949960B (en) * | 2005-10-13 | 2010-05-26 | 国际商业机器公司 | Method and apparatus for optimizing heat transfer with electronic components |
| CN103897664A (en) * | 2014-04-22 | 2014-07-02 | 深圳市比速光电科技有限公司 | Mining lamp phase change liquid and heat radiator thereof |
-
2003
- 2003-02-19 CN CN 03203344 patent/CN2615864Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1949960B (en) * | 2005-10-13 | 2010-05-26 | 国际商业机器公司 | Method and apparatus for optimizing heat transfer with electronic components |
| CN103897664A (en) * | 2014-04-22 | 2014-07-02 | 深圳市比速光电科技有限公司 | Mining lamp phase change liquid and heat radiator thereof |
| CN103897664B (en) * | 2014-04-22 | 2017-01-11 | 深圳市比速光电科技有限公司 | Mining lamp phase change liquid and heat radiator thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |