CN107396613A - A kind of electronic component radiator for the circular section that fin changes apart from rule - Google Patents
A kind of electronic component radiator for the circular section that fin changes apart from rule Download PDFInfo
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- CN107396613A CN107396613A CN201710735876.4A CN201710735876A CN107396613A CN 107396613 A CN107396613 A CN 107396613A CN 201710735876 A CN201710735876 A CN 201710735876A CN 107396613 A CN107396613 A CN 107396613A
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- Prior art keywords
- fin
- circular arc
- radiator
- electronic component
- arc
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
A kind of electronic component radiator of the circular section changed the invention provides fin apart from rule, the radiator includes matrix and the fin positioned at matrix periphery, the cross section of described matrix is circular arc, the fin includes the first fin and the second fin, the distance between second fin is changed according to certain rule, specific rule is from the end points of circular arc to midpoint, the distance between the second fin from circular arc extension is less and less, from the midpoint of circular arc to the end of the first fin, the distance between the second fin from the extension of the first fin is increasing.The present invention optimizes the structure of radiator, and heat spreader structures are set according to the heat regularity of distribution, reaches radiating efficiency maximization.
Description
Technical field
The invention belongs to radiator field, more particularly to the radiator that a kind of electronic element radiating uses, and belongs to F28F necks
Domain.
Background technology
With the rapid development of electronic technology, the heat-generating electronic elements speed of service such as central processing unit is more and more faster, it is transported
Heat caused by row also accordingly increases, in order to these heats being distributed to ensure the normal operation of electronic component, it is necessary to
Electronic component is radiated, its quality to radiate is directly connected to the life-span of computer and the quality of computing.With electronics member
The dominant frequency more and more higher of part, caloric value are also increasing.Amount of heat caused by if can not electronic component be worked is timely
Exhale, just have a strong impact on its service behaviour.It is therefore prevented that overheat and radiating great into one of Computer Design
Problem, radiator have also obtained significant concern as the main devices of electronic cooling.
Electronic component radiator the most frequently used at present mainly has two classes from principle, first, liquid radiating is used, including water
Cold, oil cooling etc., this mode cost is high, and liquid is easily revealed, and potential safety hazard be present；In addition, install and use also more complicated.Separately
It is a kind of it is the most frequently used be exactly wind-cooling heat dissipating mode, air-cooled radiator is generally divided into fin and the part of fan two, fin and
CPU is directly contacted, and it is responsible for that CPU heat extraction, fan are then made air flow, heat on CPU taken away.At present, to carry
The radiating efficiency of high radiator, it is common practice to improve rotation speed of the fan, another kind is exactly the area of dissipation for increasing radiator.
But the radiator used at present, on whole electronic element radiating face, the thickness of radiator is all identical, therefore heat radiation energy
Power is also all identical.But actually electronic component is in radiation processes, central point typically radiating is most, and periphery dissipates
Heat is relatively few.And heat sink thickness all identical modes are used at present so that integrated radiator radiates uneven, example on the whole
Such as, central area needs radiating more, and periphery needs to radiate less, can cause radiator non-uniform temperature on the whole, that is, influences scattered
Heat, also influence the service life of radiator..
The content of the invention
The present invention is in order to overcome deficiency of the prior art, there is provided a kind of electronic component radiator, structure letter of the present invention
It is single, good heat dissipation effect, it is widely used in the cooling of electronic component, there is the characteristics of practical reliable.
The present invention is to be achieved through the following technical solutions：
A kind of electronic component radiator for the circular section that fin changes apart from rule, the radiator include matrix and position
Fin in matrix periphery, the cross section of described matrix is circular arc, and the fin includes the first fin and the second fin, described
First fin is stretched out from circular arc midpoint perpendicular to circular arc, and second fin is included where the camber line from circular arc
The multiple fins extended outwardly and the multiple fins to stretch out from the first fin, the second fin extended to same direction
Parallel to each other, first fin, the end of the second fin extension form isosceles triangle；Where the base of the circular arc
Face is thermally contacted with the radiator of electronic component；Characterized in that, the distance between second fin is according to certain rule
It is changed, specific rule is from the end points of circular arc to midpoint, and the distance between second fin extended from circular arc is more next
It is smaller, from the midpoint of circular arc to the distance between the end of the first fin, second fin extended from the first fin increasingly
Greatly.
Preferably, from the end points of arc to midpoint, the distance between second fin extended from the arc of arc shape is reduced
Amplitude it is less and less.
Preferably, from the midpoint of arc to the end of the first fin, between the second fin of the first fin extension
It is increasing apart from increased amplitude.
Preferably, second fin, relative to the face specular where the first fin center line, described is adjacent
The distance of second fin is L1, and the base length of the circular arc is W, and the length of the waist of the isosceles triangle is D, above-mentioned three
The relation of person meets equation below：
L1/W=A*ln (2*D/W)+B, wherein ln is logarithmic function, and A, B are coefficient,
0.09<A<0.11,0.07<B<0.1,
6mm<W<8mm,
0.6mm<L1<1.35mm,
4.5mm<D<6.5mm;
0.1<L1/W<0.16,
0.6<D/W<1.0
The drift angle that the line at the midpoint of circular arc and the both ends of circular arc is formed is a, 125 °<a<170°.
It is L preferably, matrix is identical with the length of fin, 0.04<L1/L<0.27,5mm<L<15mm.
Preferably, A=0.10, B=0.08.
Compared with prior art, radiator of the invention has the following advantages：
1）In the second fin that arc portion is set, heat dissipation capacity is from the end of arc to middle gradually increase, it is therefore desirable to increases fin
Quantity, therefore increase the quantity of fin by reducing the spacing of fin.Similarly, along the first fin, from midpoint to end, dissipate
The quantity of heat is fewer and fewer, therefore the corresponding quantity for reducing fin.By being arranged such, radiating effect can be greatly improved
Rate, while greatly save material.
2）Radiator section is in circular arc so that gather way gradual change of the radiating surface from both ends to middle part heat dissipating mass
Slowly, this is also corresponding with heat distribution so that is more suitable for Homogeneouslly-radiating.
3）It is excessive to avoid the distribution of radiator amount of localized heat, causes radiator local temperature too high, ensure that radiator
Life-span.
4）The present invention obtains an optimal radiator optimum results, and carry out by experiment by test of many times
Checking, so as to demonstrate the accuracy of result.
5）Radiating fin is set outside radiator, and multiple radiating fins are worked in coordination, and radiating fin forms circular arc, are improved
The radiating efficiency of radiator.
Brief description of the drawings
Fig. 1 is the main structure diagram of one embodiment；
Fig. 2 is the main structure diagram of one embodiment；
Fig. 3 is the schematic diagram of Fig. 1 right side observation.
Reference is as follows：
1. matrix, 2. radiators, 3. first fins, 4 second fins, 5 second fins.
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Herein, if without specified otherwise, it is related to formula, "/" represents division, and "×", " * " represent multiplication.
As shown in Figure 1, 2, a kind of electronic component radiator, the radiator include matrix 1 and positioned at matrix peripheries
Fin 3-5, as shown in Figure 1, 2, the cross section of described matrix is circular arc, and the fin includes the first fin 3 and the second fin
4th, 5, first fin 3 stretches out from circular arc line midpoint perpendicular to circular arc, and second fin 4,5 is included from circular arc
The multiple fins 4 extended outwardly and the multiple fins 5 to stretch out from the first fin where the camber line of shape, to same side
It is parallel to each other to the second fin 4,5 of extension, for example, as illustrated, the second fin 4,5 to stretch out from the circular arc left side is mutual
Parallel, the second fin 4,5 to stretch out from circular arc the right is parallel to each other, and first fin 3, the second fin 4,5 prolong
The end stretched forms isosceles triangle, as shown in figure 1, the length of the waist of isosceles triangle is D；Where the base of the circular arc
Face thermally contacted with the radiator 2 of electronic component.
Because being found by experiment that, electronic component is most in middle part radiating, and from middle part to surrounding, radiating tapers into, because
This is in circular arc by setting the section of radiator, so that and the area of dissipation and heat dissipating mass of radiator are maximum at middle part,
It is minimum in both sides so that middle part heat-sinking capability is maximum, so meets the regularity of distribution of electronic component heat so that radiate on the whole
Device radiating is uniform, avoids radiator local temperature from overheating, and so as to avoid radiator local temperature from overheating, causes radiating effect mistake
Difference, cause the shortening in electronic component life-span.
Preferably, second fin 4,5 is relative to the face specular where the center line of the first fin 3, i.e., relative to
Face specular where the line at the midpoint where the midpoint and base of circular arc.
Preferably, the second fin extends perpendicular to two waists of isosceles triangle.
In the case that the angle a of the line of the midpoint of circular arc and the end points of arc formation and the length of arc are certain, the
One fin 3 and the second fin 4,5 are longer, then heat transfer effect is better in theory, is found during experiment, when the first fin and
When two fins reach certain length, then heat transfer effect just increases very unobvious, is primarily due to the first fin and
The increase of two finned lengths, it is also more and more lower in the temperature of flight tip, as temperature reduces to a certain extent, then can cause to exchange heat
DeGrain, it conversely also add the cost of material and considerably increase the space occupied of radiator, meanwhile, exchanged heat
Cheng Zhong, if the spacing between the second fin is too small, the deterioration of heat transfer effect is also easily caused, because with radiator length
Increase, boundary layer is thickening, and boundary layer mutually coincides between causing adjacent fins, deteriorates heat transfer, and radiator normal manner is too low or the
Spacing between two fins causes heat exchange area to reduce very much greatly, have impact on the transmission of heat, therefore in the second adjacent fin
Meet one between the length and heat sink length of distance, the length of side of isosceles triangle, the first fin and the second fin
The size relationship of optimization.
Therefore, the present invention optimal is dissipated by what thousands of secondary test datas of multiple various sizes of radiators summed up
The dimensionally-optimised relation of hot device.
The distance of described the second adjacent fin is L1, and the base length of the circular arc is W, the isosceles triangle
The length of waist be D, the relation of above-mentioned three meets equation below：
L1/W=A*ln (2*D/W)+B, wherein ln is logarithmic function, and A, B are coefficient,
0.09<A<0.11,0.07<B<0.1,
6mm<W<8mm,
0.6mm<L1<1.35mm,
4.5mm<D<6.5mm;
0.1<L1/W<0.16,
0.6<D/W<1.0
The drift angle that the line at the midpoint of circular arc and the both ends of circular arc is formed is a, 125 °<a<170°.
It is L preferably, matrix is identical with the length of fin, 0.04<L1/L<0.27,5mm<L<15mm.
Preferably, A=0.10, B=0.08
It should be noted that the distance L1 of adjacent pair fin is the distance counted since the center of secondary fin, as shown in Figure 1
Like that.
By being tested again after result of calculation, by calculating the numerical value on border and median, the result of gained is basic
Upper to be matched with formula, error is substantially within 3.1%, and maximum relative error is no more than 4.4%, and mean error is 1.71%.
Preferably, the distance of described the second adjacent fin is identical.
Preferably, the width of the first fin is greater than the width of the second fin.
Preferably, the width of the first fin is b1, and the width of the second fin is b2, wherein 1.5*b2<b1<2.4*b2;
Width b1, b2 herein refers to the mean breadth of fin.
Preferably, for the distance between second fin it is changed according to certain rule, specific rule is from circle
The end points of arc is less and less from the distance between the second fin 4 of circular arc extension to midpoint, from the midpoint of circular arc to the
The end of one fin 3, it is increasing from the distance between the second fin 5 of the first fin 3 extension.Main cause is set in arc portion
The second fin put, heat dissipation capacity is from the end of arc to middle gradually increase, it is therefore desirable to increase the quantity of fin, therefore by subtracting
The spacing of few fin increases the quantity of fin.Similarly, along the first fin 3, from midpoint to end, the quantity of radiating is increasingly
It is few, therefore the corresponding quantity for reducing fin.By being arranged such, radiating efficiency, while greatly section can be greatly improved
Material saving.
Preferably, from the end points of arc to midpoint, the distance between second fin 4 extended from the arc of arc shape is reduced
Amplitude it is less and less, from the midpoint of arc to the end of the first fin 3, between the second fin 5 of the first fin 3 extension
It is increasing apart from increased amplitude.Be found through experiments that, by above-mentioned setting, with increase or reduce amplitude it is identical compared with,
About 15% radiating effect can be improved.Therefore there is good radiating effect.
Preferably, for the width b2 between the second fin be changed according to certain rule, specific rule be from
The end of arc to midpoint, it is increasing from the width of the second fin 4 of arc extension, from the midpoint of arc to the first fin 3
End, it is less and less from the width of the second fin 5 of the first fin 3 extension.Main cause is the second fin set in arc portion, is dissipated
Heat gradually increases from base angle to drift angle, it is therefore desirable to increases the area of radiating, therefore is increased by increasing the width of fin
The area of dissipation of fin.Similarly, along the first fin 3, from bottom to end, the quantity of radiating is fewer and fewer, therefore accordingly
Reduce the area of fin.By being arranged such, radiating efficiency can be greatly improved, while greatly save material.
Preferably, from the end of arc to midpoint, from the increased width of the width of the second fin 4 of the both sides arc extension of arc
Spend increasing, from the midpoint of arc to the end of the first fin 3, reduced from the width of the second fin 5 of the first fin 3 extension
Amplitude is less and less.It is found through experiments that, by above-mentioned setting, compared with increasing or reduction amplitude is identical, it is possible to increase big
About 16% radiating effect.Therefore there is good radiating effect.
Preferably, although the width or distance of the second fin change, it is preferred that still conforming to above-mentioned
The regulation of optimum formula.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore protection scope of the present invention should
It is defined when by claim limited range.
Claims (6)
1. a kind of electronic component radiator for the circular section that fin changes apart from rule, the radiator include matrix and
Fin positioned at matrix periphery, the cross section of described matrix is circular arc, and the fin includes the first fin and the second fin, institute
Stating the first fin is stretched out from circular arc midpoint perpendicular to circular arc, and second fin is included where the camber line of circular arc
The multiple fins extended outwardly and the multiple fins to stretch out from the first fin, to same direction extend the second wing
Piece is parallel to each other, and first fin, the end of the second fin extension form isosceles triangle；Where the base of the circular arc
Face thermally contacted with the radiator of electronic component；Characterized in that, the distance between second fin is according to certain rule
Rule is changed, and specific rule is from the end points of circular arc to midpoint, from the distance between second fin of circular arc extension more
It is next smaller, it is more next from the distance between the second fin of the first fin extension from the midpoint of circular arc to the end of the first fin
It is bigger.
2. the electronic component radiator of circular section as claimed in claim 1, it is characterised in that from the end points of arc in
The amplitude of the distance between point, the second fin extended from the arc of arc shape reduction is less and less.
3. the electronic component radiator of circular section as claimed in claim 1 or 2, it is characterised in that from the midpoint of arc
It is increasing from the distance between the second fin of the first fin extension increased amplitude to the end of the first fin.
4. the electronic component radiator of the circular section as described in one of claim 1-3, it is characterised in that second wing
Piece is relative to the face specular where the first fin center line, and the distance of adjacent the second described fin is L1, the circular arc
The base length of shape is W, and the length of the waist of the isosceles triangle is D, meets equation below：
L1/W=A*ln (2*D/W)+B, wherein ln is logarithmic function, and A, B are coefficient,
0.09<A<0.11,0.07<B<0.1,
6mm<W<8mm,
0.6mm<L1<1.35mm,
4.5mm<D<6.5mm;
0.1<L1/W<0.16,
0.6<D/W<1.0,
The drift angle that the line of the midpoint of circular arc and the two-end-point of circular arc is formed is a, 125 °<a<170°.
5. the electronic component radiator of circular section as claimed in claim 4, it is characterised in that the length of matrix and fin
It is identical, it is L, 0.04<L1/L<0.27,5mm<L<15mm.
6. the electronic component radiator of circular section as claimed in claim 4, it is characterised in that A=0.10, B=0.08.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710735876.4A CN107396613B (en) | 2015-07-20 | 2015-07-20 | A kind of electronic component radiator of the circular section of fin distance rule variation |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710735876.4A CN107396613B (en) | 2015-07-20 | 2015-07-20 | A kind of electronic component radiator of the circular section of fin distance rule variation |
| CN201510425638.4A CN104981135B (en) | 2015-07-20 | 2015-07-20 | A kind of electronic-device radiator of circular section |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510425638.4A Division CN104981135B (en) | 2015-07-20 | 2015-07-20 | A kind of electronic-device radiator of circular section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107396613A true CN107396613A (en) | 2017-11-24 |
| CN107396613B CN107396613B (en) | 2019-02-26 |
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| CN201710735876.4A Active CN107396613B (en) | 2015-07-20 | 2015-07-20 | A kind of electronic component radiator of the circular section of fin distance rule variation |
| CN201710735877.9A Active CN107396614B (en) | 2015-07-20 | 2015-07-20 | A kind of electronic component radiator of the circular section of fin width rule variation |
| CN201510425638.4A Active CN104981135B (en) | 2015-07-20 | 2015-07-20 | A kind of electronic-device radiator of circular section |
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| CN201710735877.9A Active CN107396614B (en) | 2015-07-20 | 2015-07-20 | A kind of electronic component radiator of the circular section of fin width rule variation |
| CN201510425638.4A Active CN104981135B (en) | 2015-07-20 | 2015-07-20 | A kind of electronic-device radiator of circular section |
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| CN105387505B (en) * | 2015-10-22 | 2017-08-22 | 中北大学 | A kind of boiler heating system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030141041A1 (en) * | 2002-01-30 | 2003-07-31 | Chen Kuo Jui | Tube-style radiator structure for computer |
| CN2857219Y (en) * | 2005-11-30 | 2007-01-10 | 佛山市顺德区富信家电配件制造有限公司 | Radiator with improved structure |
| CN200997745Y (en) * | 2007-01-15 | 2007-12-26 | 曜越科技股份有限公司 | Fan-shaped radiater |
| CN101701690A (en) * | 2007-05-31 | 2010-05-05 | 陈桂芳 | Lighting device |
| CN202306430U (en) * | 2011-10-12 | 2012-07-04 | 联想(北京)有限公司 | Computer radiating device and computer |
| CN102751205A (en) * | 2011-04-21 | 2012-10-24 | 瑞萨电子株式会社 | Semiconductor device and method of manufacturing the same |
| CN203289803U (en) * | 2013-04-24 | 2013-11-13 | 镇江华泰铝业股份有限公司 | Fan-shaped radiator aluminum profile |
| CN103968680A (en) * | 2014-05-19 | 2014-08-06 | 山东大学 | Column-shaped radiator changeable in fin taper |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0285277A1 (en) * | 1987-03-31 | 1988-10-05 | Amp Incorporated | Chip carrier with energy storage means |
| US5748445A (en) * | 1996-08-27 | 1998-05-05 | General Resources Corporation | Heat sink and circuit enclosure for high power electronic circuits |
| CN203549734U (en) * | 2013-09-13 | 2014-04-16 | 广东工业大学 | Optimized radiating structure of LED street lamp |
| CN204335265U (en) * | 2015-01-06 | 2015-05-13 | 河北冠泰电子技术有限公司 | Electronic radiation module and cartridge type electronic heat sink |
-
2015
- 2015-07-20 CN CN201710735876.4A patent/CN107396613B/en active Active
- 2015-07-20 CN CN201710735877.9A patent/CN107396614B/en active Active
- 2015-07-20 CN CN201510425638.4A patent/CN104981135B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030141041A1 (en) * | 2002-01-30 | 2003-07-31 | Chen Kuo Jui | Tube-style radiator structure for computer |
| CN2857219Y (en) * | 2005-11-30 | 2007-01-10 | 佛山市顺德区富信家电配件制造有限公司 | Radiator with improved structure |
| CN200997745Y (en) * | 2007-01-15 | 2007-12-26 | 曜越科技股份有限公司 | Fan-shaped radiater |
| CN101701690A (en) * | 2007-05-31 | 2010-05-05 | 陈桂芳 | Lighting device |
| CN102751205A (en) * | 2011-04-21 | 2012-10-24 | 瑞萨电子株式会社 | Semiconductor device and method of manufacturing the same |
| CN202306430U (en) * | 2011-10-12 | 2012-07-04 | 联想(北京)有限公司 | Computer radiating device and computer |
| CN203289803U (en) * | 2013-04-24 | 2013-11-13 | 镇江华泰铝业股份有限公司 | Fan-shaped radiator aluminum profile |
| CN103968680A (en) * | 2014-05-19 | 2014-08-06 | 山东大学 | Column-shaped radiator changeable in fin taper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107396614B (en) | 2019-07-26 |
| CN107396613B (en) | 2019-02-26 |
| CN104981135A (en) | 2015-10-14 |
| CN107396614A (en) | 2017-11-24 |
| CN104981135B (en) | 2017-10-20 |
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