CN105280584B - A kind of electronic component radiator component of the triangular-section used in upright position - Google Patents
A kind of electronic component radiator component of the triangular-section used in upright position Download PDFInfo
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- CN105280584B CN105280584B CN201510653152.6A CN201510653152A CN105280584B CN 105280584 B CN105280584 B CN 105280584B CN 201510653152 A CN201510653152 A CN 201510653152A CN 105280584 B CN105280584 B CN 105280584B
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- fin
- isosceles triangle
- radiator
- drift angle
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Abstract
The invention discloses a kind of electronic component radiator component of the triangular-section used in upright position, radiator includes matrix and the fin of periphery, cross section is isosceles triangle, the first fin and the second fin that isosceles triangle drift angle stretches out, the multiple fins extended outwardly where two waists of second fin from isosceles triangle, multiple fins that first fin stretches out, parallel to each other with the second fin of same direction extension, the end of first, second fin extension forms the second isosceles triangle；The drift angle of second isosceles triangle is right angle, two radiators are docking together by the waist of the second isosceles triangle, the second isosceles triangle drift angle connection of two of which radiator is on one point, one base angle connection of the second isosceles triangle of two radiators is on one point, so that the base vertical of the second isosceles triangle of two radiators, electronic component with vertical stratification is radiated, installing space is saved in the case where meeting radiating efficiency.
Description
Technical field
The invention belongs to radiator field, more particularly to the radiator that a kind of upright position uses.
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.In addition, radiator can not be applied to the radiating of the position with turning at present.
The content of the invention
The present invention is in order to overcome deficiency of the prior art, there is provided a kind of radiator, the present invention is simple in construction, radiating effect
Fruit is good, may be mounted at the radiating of perpendicular corners position, is widely used in the cooling of electronic component, has practical reliable
Feature.
The present invention is to be achieved through the following technical solutions：
A kind of electronic component radiator component of the triangular-section used in upright position, the heat sink assembly include
Two radiators, the radiator include matrix and the fin positioned at matrix periphery, and the cross section of described matrix is isosceles three
Angular, the fin includes the first fin and the second fin, and first fin is stretched out from isosceles triangle drift angle, institute
State the second fin include multiple fins extended outwardly where two waists from isosceles triangle and from the first fin to
Multiple fins of outer extension, the second fin extended to same direction is parallel to each other, and first fin, the second fin extend
End forms the second isosceles triangle；
The drift angle of second isosceles triangle is right angle, the waist pair that described two radiators pass through the second isosceles triangle
It is connected together, the second isosceles triangle drift angle of two of which radiator connects on one point, the second isosceles three of two radiators
An angular base angle connects on one point, so that the base of the second isosceles triangle of two radiators of connection on one point is hung down
Directly.
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 isosceles triangle is W, and the length of the waist of second isosceles triangle is
D, the relation of above-mentioned three meet equation below：
L1/W=A*ln (2*D/W)+B, wherein ln is logarithmic function, and A, B are coefficient,
0.10<A<0.12,0.08<B<0.10,
6mm<W<8mm,
1.0mm<L1<1.45mm,
4.5mm<D<6.5mm;
0.2<L1/W<0.3,
0.6<D/W<1.0
The drift angle of isosceles triangle is a, described 120 °<a<160°.
It is L preferably, matrix is identical with the length of fin, 0.04<L1/L<0.27,5mm<L<15mm.
Preferably, A=0.11, B=0.09
Compared with prior art, radiator of the invention has the following advantages：
1）The present invention is provided with a kind of heat sink assembly that may be mounted at perpendicular corners, can be to vertical stratification
Electronic component is radiated, and what is increased in the case where meeting radiating efficiency saves installing space.
2）The invention provides a kind of new radiator, the section of radiator are triangular in shape, so that radiator dissipates
Hot area and heat dissipating mass are maximum at middle part, minimum in both sides so that middle part radiating is maximum, so meets electronic component heat
The regularity of distribution so that radiator heat-dissipation is uniform on the whole.
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 triangle, are improved
The radiating efficiency of radiator.
Brief description of the drawings
Fig. 1 is the main structure diagram of radiator one embodiment；
Fig. 2 is the main structure diagram of radiator one embodiment；
Fig. 3 is the schematic diagram of Fig. 1 right side observation；
Fig. 4 is the sectional drawing of the fin of providing holes；
Fig. 5 is the front elevation of the fin of providing holes；
Fig. 6 is heat sink assembly main structure diagram.
Reference is as follows：
1. matrix, 2. radiators, 3. first fins, 4 second fins, 5 second fins, 6 holes, 7 bases.
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 isosceles triangle, and the fin includes the first fin 3 and second
Fin 4,5, first fin 3 stretch out from isosceles triangle drift angle, and second fin 4,5 is included from isosceles three
The multiple fins 4 extended outwardly and the multiple fins 5, Xiang Tong to stretch out from the first fin where two angular waists
Second fin 4,5 of one direction extension is parallel to each other, for example, as illustrated, what the waist from the isosceles triangle left side stretched out
Second fin 4,5 is parallel to each other, and the second fin 4,5 that the waist on the right of isosceles triangle stretches out is parallel to each other, and described
One fin 3, the end of the second fin 4,5 extension form the second isosceles triangle, as shown in figure 1, the waist of the second isosceles triangle
Length be D；Face where the base of the isosceles triangle is 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 triangular in shape 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 summit and base of isosceles triangle.
Preferably, the second fin extends perpendicular to two waists of the second isosceles triangle.
In the case that the length on the side of isosceles triangle is certain, the first fin 3 and the second fin 4,5 are longer, then in theory
Heat transfer effect is better, is found during experiment, when the first fin and the second fin reach certain length, then heat exchange effect
Fruit just increases very unobvious, is primarily due to the first fin and the increase of the second finned length, in the temperature of flight tip
It is more and more lower, as temperature reduces to a certain extent, then it can cause heat transfer effect unobvious, conversely also add the cost of material
And the space occupied of radiator is considerably increased, meanwhile, in heat transfer process, if the spacing between the second fin is too small,
Also the deterioration of heat transfer effect is easily caused, because with the increase of radiator length, boundary layer is thickening, causes between adjacent fins
Boundary layer mutually coincides, and deteriorates heat transfer, radiator length is too low or the second fin between spacing cause very much heat exchange area greatly
Reduce, have impact on the transmission of heat, thus the distance in the second adjacent fin, the length of side of isosceles triangle, the first fin and
Meet the size relationship of an optimization between the length and heat sink length of second fin.
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 isosceles triangle is W, described second etc.
The length of the waist of lumbar triangle shape is D, and 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,
0.10<A<0.12,0.08<B<0.10,
6mm<W<8mm,
1.0mm<L1<1.45mm,
4.5mm<D<6.5mm;
0.2<L1/W<0.3,
0.6<D/W<1.0
The drift angle of isosceles triangle is a, described 120 °<a<160°.
It is L preferably, matrix is identical with the length of fin, 0.04<L1/L<0.27,5mm<L<15mm.
Preferably, A=0.11, B=0.09
It should be noted that the distance L1 of adjacent second fin is the distance counted since the center of the second fin, such as
As shown in Fig. 1.
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 3.2%, and maximum relative error is no more than 4.3%, and mean error is 1.63%.
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 be changed according to certain rule, specific rule be from etc.
The base angle of lumbar triangle shape is less and less to the distance between drift angle, the second fin 4 extended from two waists of isosceles triangle, from
The drift angle of isosceles triangle is to the end of the first fin 3, from the distance between second fin 5 of the first fin 3 extension increasingly
Greatly.Main cause is the second fin set in waist, and heat dissipation capacity gradually increases from base angle to drift angle, 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 3, from bottom to end
Portion, the quantity of radiating is fewer and fewer, therefore the corresponding quantity for reducing fin.By being arranged such, can greatly improve scattered
The thermal efficiency, while greatly save material.
Preferably, from the base angle of isosceles triangle to drift angle, from the second fin 4 of two waists extension of isosceles triangle
The distance between reduction amplitude it is less and less, from the drift angle of isosceles triangle to the end of the first fin 3, from the first fin 3
The distance between second fin 5 of extension increased amplitude is increasing.It is found through experiments that, by above-mentioned setting, with increase
Or reduce that amplitude is identical compares, it is possible to increase about 15% radiating effect.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
To drift angle, the width of the second fin 4 extended from two waists of isosceles triangle is increasing at the base angle of isosceles triangle, from etc.
The drift angle of lumbar triangle shape is less and less from the width of the second fin 5 of the first fin 3 extension to the end of the first fin 3.It is main former
Cause is the second fin set in waist, and heat dissipation capacity gradually increases from base angle to drift angle, it is therefore desirable to increase the area of radiating, because
This increases the area of dissipation of fin by increasing the width of fin.Similarly, along the first fin 3, from bottom to end, radiating
Quantity it is fewer and fewer, therefore the corresponding area for reducing fin.By being arranged such, radiating efficiency can be greatly improved,
Material is greatly saved simultaneously.
Preferably, from the base angle of isosceles triangle to drift angle, from the second fin 4 of two waists extension of isosceles triangle
The increased amplitude of width is increasing, from the drift angle of isosceles triangle to the end of the first fin 3, from the extension of the first fin 3
The amplitude of the width reduction of second fin 5 is less and less.It is found through experiments that, by above-mentioned setting, with increasing or reducing amplitude
It is identical to compare, it is possible to increase 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.
Preferably, as illustrated in figures 4-5, the providing holes 6 on the first and/or second fin, for destroying laminar sublayer.It is main
It is that the second fin is mainly exchanged heat by the convection current of air to want reason, air from the bottom up progress of the second fin from
The flowing of right convection current, during air flows upwards, the thickness in boundary layer constantly becomes big, or even finally results in adjacent the
Boundary layer between two fin is overlapped, and such a situation can cause the deterioration of heat exchange.Therefore can be broken by providing holes 6
Bad selvedge interlayer, so as to augmentation of heat transfer.
Preferably, the shape in hole 6 is semicircle or circular.
Preferably, hole 6 penetrates whole fin.
As one preferably, on same second fin, from fin root（I.e. with the connecting portion of matrix 1）To fin
Between top, the area in each hole 6 constantly diminishes.Main cause is that the temperature of fin is not from fin root to fin top
Disconnected decline, therefore the thickness in boundary layer constantly reduces, the area in the hole 6 by setting change, it is possible to achieve destroy border
The thickness of the diverse location of layer, so as to save material.
Preferably, the PTAT example relation in the change and fin of the area in hole 6.
As one preferably, on same second fin, from fin root（I.e. with the connecting portion of matrix 1）To fin
Between top, the density in hole 6 constantly reduces.Main cause is from fin root to fin top, and the temperature of fin is continuous
Decline, therefore the thickness in boundary layer constantly reduces, the density in the hole 6 by setting change, it is possible to achieve destroy boundary layer
The thickness of diverse location, so as to save material.
Preferably, the PTAT example relation in the change and fin of the density in hole 6.
Certainly, preferred or above-mentioned diversified forms at least two combinations.
Preferably, the invention provides a kind of radiator group formed by above-mentioned two heat dissipation device combination, such as Fig. 6 institutes
Show.
In radiator group shown in described Fig. 6, including two radiators as elucidated before, described the of the radiator
The drift angle of two isosceles triangles is right angle, therefore necessarily 45 ° of its base angle, and described two radiators pass through the second isosceles triangle
Waist be docking together, as shown in fig. 6, two of which radiator the second isosceles triangle drift angle connection on one point, two dissipate
One base angle of the second isosceles triangle of hot device connects on one point, so that second etc. of two radiators of connection on one point
The base angle of lumbar triangle shape is combined as right angle.The angle that i.e. two bases 7 are formed is 90 °.
Because base 7 is plane, and because base angle is combined as right angle, therefore perpendicular corners are may be mounted at, ensure peace
It is closely packed together when dress with heater, so as to save installing space.
Because first, second fin is all disposed within outside, rather than close to heater so that extraneous air can be fully right
Stream, and the closing space formed between the first fin and circular arc, so as to form the chimney effect of air-flow suction, enhance
Heat transfer.
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 (2)
1. a kind of electronic component radiator component of the triangular-section used in upright position, the heat sink assembly includes two
Individual radiator, the radiator include matrix and the fin positioned at matrix periphery, and the cross section of described matrix is isoceles triangle
Shape, the fin include the first fin and the second fin, and first fin is stretched out from isosceles triangle drift angle, described
Second fin includes multiple fins extended outwardly where two waists from isosceles triangle and outside from the first fin
Multiple fins of extension, the second fin extended to same direction is parallel to each other, first fin, the end of the second fin extension
Portion forms the second isosceles triangle；
Characterized in that, the drift angle of second isosceles triangle is right angle, described two radiators pass through the second isoceles triangle
The waist of shape is docking together, the connection of the second isosceles triangle drift angle of two of which radiator on one point, the of two radiators
Two one, isosceles triangle base angles connect on one point, so that the second isosceles triangle of two radiators of connection on one point
Base vertical；
Second fin relative to the face specular where the first fin center line, the center line of the second adjacent fin away from
It is W from the base length for L1, the isosceles triangle, the length of the waist of second isosceles triangle is D, the relation of three
Meet equation below：
L1/W=A*ln (2*D/W)+B, wherein ln is logarithmic function, and A, B are coefficient,
0.10<A<0.12,0.08<B<0.10,
6mm<W<8mm,
1.0mm<L1<1.45mm,
4.5mm<D<6.5mm;
0.2<L1/W<0.3,
0.6<D/W<1.0
The drift angle of isosceles triangle is a, 120 °<a<160°.
2. the electronic component radiator component of triangular-section as claimed in claim 1, it is characterised in that A=0.11, B=
0.09。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653152.6A CN105280584B (en) | 2015-10-12 | 2015-10-12 | A kind of electronic component radiator component of the triangular-section used in upright position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653152.6A CN105280584B (en) | 2015-10-12 | 2015-10-12 | A kind of electronic component radiator component of the triangular-section used in upright position |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105280584A CN105280584A (en) | 2016-01-27 |
| CN105280584B true CN105280584B (en) | 2017-11-17 |
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ID=55149356
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510653152.6A Active CN105280584B (en) | 2015-10-12 | 2015-10-12 | A kind of electronic component radiator component of the triangular-section used in upright position |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4918571A (en) * | 1987-03-31 | 1990-04-17 | 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3431004B2 (en) * | 2000-01-14 | 2003-07-28 | 松下電器産業株式会社 | Heat sink and cooling device using the same |
-
2015
- 2015-10-12 CN CN201510653152.6A patent/CN105280584B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4918571A (en) * | 1987-03-31 | 1990-04-17 | 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105280584A (en) | 2016-01-27 |
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