CN105135927B - Heat-dissipation tube group with arc-shaped channel combination - Google Patents
Heat-dissipation tube group with arc-shaped channel combination Download PDFInfo
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- CN105135927B CN105135927B CN201510550573.6A CN201510550573A CN105135927B CN 105135927 B CN105135927 B CN 105135927B CN 201510550573 A CN201510550573 A CN 201510550573A CN 105135927 B CN105135927 B CN 105135927B
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- 230000017525 heat dissipation Effects 0.000 title abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 16
- 239000010410 layer Substances 0.000 description 12
- 238000012546 transfer Methods 0.000 description 12
- 238000001816 cooling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 210000001624 hip Anatomy 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000003416 augmentation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a heat-dissipation tube group with an arc-shaped channel combination. The heat-dissipation tube group comprises two heat-dissipation tubes, wherein each heat-dissipation tube comprises a base tube and heat-dissipation fins located at the periphery of the base body, the cross section of each base tube is arc-shaped, the heat-dissipation fins comprise a first heat-dissipation fin and second heat-dissipation fins, each first heat-dissipation fin extends outwards from the midpoint of an arc, the second heat-dissipation fins comprise a plurality of heat-dissipation fins which extend outwards from the surface where the arc of the corresponding arc shape is located, and a plurality of heat-dissipation fins which extend outwards from the corresponding first heat-dissipation fin, the second heat-dissipation fins which extend towards the same direction are mutually parallel, and the extending end parts of each first heat-dissipation fin and the corresponding second heat-dissipation fins form an isosceles triangle; a first fluid channel is formed in each base tube, a second fluid channel is arranged in each first heat-dissipation fin, and each first fluid channel is communicated with the corresponding second fluid channel; and the extending end parts of the second heat-dissipation fins are butted together, and the bottom sides of the arc shapes of the two heat-dissipation tubes are mutually parallel. The heat-dissipation tube group provided by the invention optimizes the structure of a heat dissipater and enables the heat dissipater to achieve maximization of heat exchange efficiency, so as to save energy, save space, and achieve the purposes of environmental protection and energy saving.
Description
Technical field
The invention belongs to field of heat exchangers, the radiating tube that more particularly, to a kind of radiating uses, belong to the heat exchanger neck of f28d
Domain.
Background technology
In radiator, at present widely using cooling fin tube radiator, area of dissipation can be expanded by fin, strengthen
Heat transfer effect, but the setting of the fansink-type of cooling fin tube and cooling fin tube parameter all influencer's radiating effects is good
Bad, and at present in the case of energy crisis, it is badly in need of wanting energy saving, the sustainable development meeting society is it is therefore desirable to open
The cooling fin tube that to send out a kind of new, simultaneously need to the structure of cooling fin tube is optimized so as to reach maximum heat exchange efficiency, with
Energy saving, saves installing space, reaches the purpose of environmental protection and energy saving.
Content of the invention
The technical problem to be solved is to provide a kind of new prismatic cooling fin tube radiator.
To achieve these goals, technical scheme is as follows:
A kind of radiating tube group of Gothic passage, described radiating tube group includes two radiating tubes, and described radiating tube includes
Base tube and be located at matrix periphery fin it is characterised in that described radiating tube include base tube and be located at matrix periphery
Fin, the cross section of described base tube is circular arc, and described fin includes the first fin and the second fin, described first
Fin is to stretch out from the midpoint of circular arc, and described second fin is included from extending outwardly that the circular arc of circular arc is located
Multiple fin and the multiple fin stretching out from the first fin, to same direction extend the second fin mutual
Parallel, the end that described first fin, the second fin extend forms isosceles triangle；Described substrate tube setting first
Fluid passage, setting second fluid passage inside described first fin, described first fluid passage and second fluid passage are even
Logical；
Described two radiating tubes are docking together by the end that the second fin extends, the circular arc of described two radiating tubes
The base of shape is parallel to each other.
Preferably, two isosceles triangles form parallelogram sturcutre.
Preferably, the face specular that described second fin is located with respect to the first fin center line, adjacent institute
The distance of the second fin stated is l1, and the base length of described circular arc is w, and the length of the waist of described isosceles triangle is s,
Meet equation below:
L1/s*100=a*ln (l1/w*100)+b* (l1/w)+c, wherein ln are logarithmic functions, and a, b, c are coefficients, 0.66
< a < 0.70,21 <b < 24,3.3 < c < 5.2；
0.06<l1/s<0.07,0.08<l1/w<0.10
3mm<l1<5mm
40mm <s<75mm
30mm <w<50mm
The midpoint of circular arc is a with the drift angle of the line formation of the two-end-point of circular arc, 100 ° < a < 160 °.
Preferably, base tube length is l, 0.02 < w/l < 0.04,800mm < l < 2500mm.
Preferably, a=0.68, b=22.6, c=4.3.
Compared with prior art, the radiating tube of the present invention has the advantage that
1) the invention provides a kind of new radiating tube, and the fin of radiating tube is rationally arranged, can be arranged
More fin, therefore have good radiating effect.
2) present invention passes through radiating tube one side setting fin again, and the bottom surface of radiating tube (had both been not provided with fin
One side) be plane, plane can be close on body of wall when installation, thus saving installing space.
3) present invention arranges fluid passage, and the fluid passage connection in base tube on the first fin of radiating tube, enters
One step increased the flowing space of fluid, has expanded the heat exchange area of fluid so that fluid directly and contact heat-exchanging, improves scattered
Heat energy power.
4) present invention passes through test of many times, obtains optimum radiating tube optimum results, and is carried out by test
Checking, thus demonstrate the accuracy of result.
5) the new radiating tube group being combined into by two radiating tubes, thus realize the optimization of radiating effect.
Brief description
Fig. 1 is the main structure diagram of an embodiment；
Fig. 2 is the main structure diagram of an embodiment；
Fig. 3 is the schematic diagram of the right side observation of Fig. 1；
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 the schematic diagram of hole stagger arrangement；
Fig. 7 is collector cross-sectional structure schematic diagram；
Fig. 8 is bicircular arcs passage radiating tube group.
Reference is as follows:
1. base tube, 2. first fluid passage, 3 first fin, 4 second fin, 5 second fin, 6 first sides, 7
Second side, 8 bases, 9 holes, 10 second fluid passages, 11 collectors are near the side of wall, 12 collectors
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in detail.
Herein, without specified otherwise, it is related to formula, "/" represents division, "×", " * " represent multiplication.
As shown in Figure 1, 2, the radiating tube that a kind of radiator uses, described radiating tube includes base tube 1 and is located at outside base tube
The fin 3-5 enclosing, as shown in Figure 1, 2, the cross section of described base tube is circular arc, and described fin includes the first fin 3
With the second fin 4,5, described first fin 3 is to stretch out from the midpoint of the circular arc of circular arc, described second radiating
Piece 4,5 includes the multiple fin 4 extending outwardly that are located from the arc of circular arc and stretches out from the first fin
Multiple fin 5, the second fin 4,5 extending to same direction is parallel to each other, for example, as illustrated, from circular arc second
While the 7(left side while) the second fin 4,5 of stretching out is parallel to each other, from isosceles triangle first while 6(be the right while)
The second fin 4,5 stretching out is parallel to each other, and the end that described first fin 3, the second fin 4,5 extend is formed etc.
Lumbar triangle shape, as shown in figure 1, the length of the waist of isosceles triangle is s；Described base tube 1 is internal to arrange first fluid passage 2, institute
State the internal setting second fluid passage 10 of the first fin 3, described first fluid passage 3 and second fluid channel connection 10.Example
As described in Figure 1, in the position connection at the midpoint of circular arc.
Preferably, first fluid passage is circular arc.
By structure setting so, so that base tube 1 is outside arranges multiple fin, increase radiating, simultaneously the
One setting fluid passage inside fin so that fluid enters in the first fin, be directly connected with the first fin the
Two fin carry out heat exchange, increased heat-sinking capability.
Described radiator is preferably convector, and the fluid of described first fluid passage and second fluid passage is preferably
Water.
General radiating tube is all surrounding or both sides setting fin, but finds in engineering, contacting with wall
In the case of the fin of side one, heat convection effect is bad because air wall side flow relatively poor, therefore this
Bright circular arc base 8 is set to plane, when therefore fin being installed, can directly by the close contact of plane and wall,
Compared with other radiators, can greatly save installing space, it is to avoid the waste in space, take special fin shape simultaneously
Formula is it is ensured that meet optimal radiating effect.
Preferably, the face specular that described second fin 4,5 is located with respect to the first fin 3 center line, i.e. phase
The face specular that the line at the midpoint that the midpoint for circular arc and base are located is located, in other words with respect to circular arc midpoint and
The face specular that the line in the center of circle that circular arc is located is located.
Preferably, the second fin extends perpendicular to two waists of isosceles triangle.
In the case that the midpoint of circular arc is certain with the angle a of the line formation of the end points of arc and the length of arc, the
One fin 3 and the second fin 4,5 are longer, then heat transfer effect is better in theory, find in process of the test, when the first radiating
When piece and the second fin reach certain length, then heat transfer effect just increases very inconspicuous, is primarily due to first
Fin and the second fin length increase, and the temperature in fin end is also more and more lower, is reduced to certain journey with temperature
Degree, then can lead to the heat transfer effect inconspicuous, also add the cost of material on the contrary and considerably increase occupying of radiator
Space, meanwhile, in heat transfer process, if the spacing between the second fin is too little, also easily causes the deterioration of heat transfer effect, because
It is the increase with radiating length of tube, in air uphill process, boundary layer is thickening, causes boundary layer between abutting fins mutual
Overlap, deteriorate heat transfer, radiating length of tube is too low or the second fin between spacing cause greatly very much heat exchange area to reduce, impact
The transmission of heat, therefore in the distance of adjacent the second fin, the length of side of circular arc, the first fin and the second fin
Length and heat sink length between meet an optimized size relationship.
Therefore, the present invention is optimal the dissipating being summed up by thousands of test datas of multiple various sizes of radiators
The dimensionally-optimised relation of hot device.
The distance of adjacent the second described fin is l1, and the base length of described circular arc is w, described isoceles triangle
The length of the waist of shape is s, meets equation below:
L1/s*100=a*ln (l1/w*100)+b* (l1/w)+c, wherein ln are logarithmic functions, and a, b, c are coefficients, 0.66
< a < 0.70,21 <b < 24,3.3 < c < 5.2；
0.06<l1/s<0.07,0.08<l1/w<0.10
3mm<l1<5mm
40mm <s<75mm
30mm <w<50mm
The midpoint of circular arc is a with the drift angle of the line formation of the two-end-point of circular arc, 100 ° < a < 160 °.
Preferably, base tube length is l, 0.02 < w/l < 0.04,800mm < l < 2500mm.
Preferably, a=0.68, b=22.6, c=4.3.
It should be noted that adjacent second fin apart from l1 be from the center of the second fin start to count away from
From as shown in Figure 1.
Tested again after result of calculation, by calculating the numerical value on border and median, the result of gained is basic
Above match with formula, substantially within 3.44%, maximum relative error is less than 3.78% to error, and mean error is
2.32%.
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 2.2*b2 <b1 < 3.1*
b2;
Preferably, 0.9mm <b2 < 1mm, 2.0mm <b1 < 3.2mm.
Preferably, the width of second fluid passage is 0.85-0.95 times of the width of the second fin, preferably
0.90-0.92 times.
Width b1, b2 herein refers to the mean breadth of fin.
It is found through experiments and takes fin width, channel width of above-mentioned optimization and other effects, can reach optimal
Heat transfer effect.
Preferably, be to be changed according to certain rule for the distance between second fin, concrete rule be from
To the midpoint of circular arc, the distance between second fin 4 extending from two sides 6,7 of circular arc is less and less for the end points of circular arc,
From the midpoint of circular arc to the end of the first fin 3, the distance between second fin 5 extending from the first fin 3 is more next
Bigger.Main cause is the second fin of setting on circular arc, and heat dissipation capacity is gradually increased from circular arc end points to arcuate midway point, because
This needs to increase the quantity of fin, and the therefore spacing by reducing fin increases the quantity of fin.In the same manner, along
One fin 3, to end in the middle part of circular arc, the quantity of radiating is fewer and feweri, therefore reduces the quantity of fin accordingly.Pass through
It is arranged such, can greatly improve radiating efficiency, simultaneously great material-saving.
Preferably, the midpoint from the end points of circular arc to circular arc, between the second fin 4 that two sides of circular arc extend
Distance reduce amplitude less and less, from the midpoint of circular arc to the end of the first fin 3, from the first fin 3 extend
The amplitude that the distance between second fin 5 increases is increasing.Be found through experiments, by above-mentioned setting, with increase or
Minimizing amplitude is identical to be compared, it is possible to increase about 15% radiating effect.Therefore there is good radiating effect.
Preferably, it is to be changed according to certain rule for the width b2 between the second fin, concrete rule is
From the midpoint to circular arc for the end points of circular arc, the width of the second fin 4 extending from two arcs 6,7 of circular arc is increasing, from
The midpoint of circular arc to the end of the first fin 3, the second fin 5 width extending from the first fin 3 is less and less.Mainly
Reason is the second fin of setting on arc, and heat dissipation capacity is gradually increased it is therefore desirable to increase radiating from circular arc end points to midpoint
Area, therefore increase the area of dissipation of fin by increasing the width of fin.In the same manner, along the first fin 3, from
End is arrived, the quantity of radiating is fewer and feweri, therefore reduces the area of fin accordingly in the middle part of circular arc.By being arranged such, can
Improve radiating efficiency with great, simultaneously great material-saving.
Preferably, from the end points of circular arc to midpoint, the second fin 4 width extending from two arcs 6,7 of circular arc increases
Plus amplitude increasing, from the midpoint of circular arc to the end of the first fin 3, from the first fin 3 extend second radiating
The amplitude that piece 5 width reduces is less and less.It is found through experiments, by above-mentioned setting, with increase or minimizing amplitude phase homophase
Than, it is possible to increase about 16% radiating effect.Therefore there is good radiating effect.
Although preferably, the width of the second fin or distance change, it is preferred that still conforming to
State the regulation of optimum formula.
Preferably, as Figure 4-Figure 6, providing holes 9 on the first and/or second fin, for destroying laminar sublayer.Main
Reason is wanted to be that the second fin mainly carries out heat exchange by the convection current of air, air is carried out certainly from the bottom up of the second fin
So flowing of 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 this kind of situation can lead to the deterioration of heat exchange.Therefore can be broken by providing holes 9
Bad selvedge interlayer, thus augmentation of heat transfer.
Preferably, the shape in hole 9 is semicircle or circular.
Preferably, the whole fin of hole 9 insertion.
Preferably, multiple row hole is set, is in staggered arrangement between hole, as shown in Figure 6.
As one preferably, along the direction of the flowing of air, the i.e. top from the bottom of radiator to radiator, hole 9
Area constantly increase.Main cause is the direction of the flowing along air, and the thickness in boundary layer constantly increases, therefore logical
Cross the area that setting is continuously increased hole 9, so that constantly increasing to the destructiveness in boundary layer, thus augmentation of heat transfer.
Preferably, the hole 9 of maximum area is 1.25-1.37 times of minimum area, preferably 1.32 times.
As one preferably, along the direction of the flowing of air, the i.e. top from the bottom of fin to radiator, hole 9
Density (i.e. quantity) constantly increase.Main cause is the direction of the flowing along air, and the thickness in boundary layer constantly increases
Greatly, therefore pass through to arrange the density in ever-increasing hole 9, so that constantly increasing to the destructiveness in boundary layer, thus
Augmentation of heat transfer.
Preferably, the density in hole 9 place the closeest is 1.26-1.34 times of the density in place the thinnest, preferably 1.28
Times.
As one preferably, on same second fin, from fin root (i.e. the connecting portion with base tube) to fin
Between top, the area in each hole 9 constantly diminishes.Main cause is that the temperature of fin is not from fin root to fin top
The thickness of disconnected decline, therefore boundary layer constantly reduces, by arranging the area in the hole 9 changing, it is possible to achieve destroy border
The thickness of the diverse location of layer, thus save material.
Preferably, the PTAT example relation in the change of the area in hole 9 and fin.
As one preferably, on same second fin, from fin root (i.e. the connecting portion with base tube) to fin
Between top, the density in hole 9 constantly reduces.Main cause is from fin root to fin top, and the temperature of fin is continuous
Decline, the thickness in therefore boundary layer constantly reduces, by arranging the density in the hole 9 changing, it is possible to achieve destroy boundary layer
The thickness of diverse location, thus save material.
Preferably, the PTAT example relation in the change of the density in hole 9 and fin.
Certainly, the combination of at least two of preferred or above-mentioned various ways.
The invention also discloses a kind of radiator, described radiator includes upper header and lower collector pipe and is located at upper lower collector pipe
Between radiating tube, described radiating tube is exactly foregoing radiating tube.
Preferably, as shown in fig. 7, the side 11 that the close wall of described upper lower collector pipe 12 is installed is planar structure.Pass through
Setting planar structure, so as to match with the plane base 8 of above-mentioned radiating tube, can be close on wall, thus reaching saving
The requirement in space.
Preferably, the invention provides a kind of radiating tube group being combined by above-mentioned two radiating tube, as Fig. 8 institute
Show.
Described radiating tube group passes through the end docking (or perhaps connection) of the second fin extension of radiating tube together,
The base of the circular arc of described two radiating tubes is parallel to each other.Because base 8 is plane, therefore can ensure that when installation with
Wall is closely packed together, thus saving installing space.
Preferably, as shown in figure 8, two radiating tube isosceles triangles form a parallelogram.That is, one
Point and a base angle point of the isosceles triangle of another radiating tube that the drift angle of the isosceles triangle of individual radiating tube is located
Connect.
By being arranged such so that forming the space of a closing between second fin at middle part, thus being formed
The chimney effect of air-flow suction, enhances heat transfer.
Preferably, present invention also offers a kind of radiator, described radiator includes upper header and lower collector pipe and position
Multiple radiating tube groups between upper lower collector pipe, described radiating tube group is exactly the radiating tube group shown in Fig. 8.
Preferably, each collector has planar section described in described upper header and lower collector pipe, as described in Figure 7, so that
Obtaining the one side contacting with wall is plane.
Preferably, upper header is two, connect with two radiating tubes in radiating tube group respectively, in the same manner, lower collector pipe is
Two, connect with two radiating tubes in radiating tube group respectively.
Preferably, described fluid respectively enters two collectors of upper header, is then dissipated by two in radiating tube group respectively
Heat pipe, has respectively entered two collectors of lower collector pipe, is then out lower collector pipe, thus forming whole circulation.That is, radiating tube
Two radiating tubes in group connect respective upper header and lower collector pipe respectively, i.e. radiating tube and its respective upper header and lower collector pipe
Flowing be in parallel, be independent, be disconnected with each other.
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, all can make various changes or modifications, and therefore protection scope of the present invention should
When being defined by claim limited range.
Claims (4)
1. a kind of radiating tube group of circular arc combination of channels, described radiating tube group includes two radiating tubes it is characterised in that described
The fin that radiating tube includes base tube and is located at base tube periphery, the cross section of described base tube is circular arc, described fin bag
Include the first fin and the second fin, described first fin is to stretch out from the midpoint of circular arc, described second fin
Including the multiple fin extending outwardly being located from the circular arc of circular arc and from the first fin stretch out multiple
Fin, the second fin extending to same direction is parallel to each other, the end that described first fin, the second fin extend
Form isosceles triangle；Described substrate tube arranges first fluid passage, and inside described first fin, setting second fluid leads to
Road, described first fluid passage and second fluid channel connection；
Described two radiating tubes are docking together by the end that the second fin extends, the circular arc of described two radiating tubes
Base is parallel to each other；
Two isosceles triangles form parallelogram sturcutre.
2. radiating tube group as claimed in claim 1 is it is characterised in that described second fin is with respect to the first fin center line
The face specular being located, the distance of adjacent the second described fin is l1, and the base length of described circular arc is w, institute
The length stating the waist of isosceles triangle is s, meets equation below:
L1/s*100=a*ln (l1/w*100)+b* (l1/w)+c, wherein ln are logarithmic functions, and a, b, c are coefficients, 0.66 < a <
0.70,21 <b < 24,3.3 < c < 5.2；
0.06<l1/s<0.07,0.08<l1/w<0.10
3mm<l1<5mm
40mm <s<75mm
30mm <w<50mm
The midpoint of circular arc is a with the drift angle of the line formation of the two-end-point of circular arc, 100 ° < a < 160 °.
3. radiating tube group as claimed in claim 2 it is characterised in that base tube length be l, 0.02 < w/l < 0.04,800mm < l <
2500mm.
4. radiating tube group as claimed in claim 2 is it is characterised in that a=0.68, b=22.6, c=4.3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550573.6A CN105135927B (en) | 2015-09-01 | 2015-09-01 | Heat-dissipation tube group with arc-shaped channel combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550573.6A CN105135927B (en) | 2015-09-01 | 2015-09-01 | Heat-dissipation tube group with arc-shaped channel combination |
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| Publication Number | Publication Date |
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| CN105135927A CN105135927A (en) | 2015-12-09 |
| CN105135927B true CN105135927B (en) | 2017-01-25 |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3251410A (en) * | 1965-01-08 | 1966-05-17 | Dean Products Inc | Heat exchange devices |
| CN201517902U (en) * | 2009-09-30 | 2010-06-30 | 瑞安市江南铝型材厂 | Radiator |
| CN104296581A (en) * | 2014-09-24 | 2015-01-21 | 天津天宗化工设备有限公司 | Helical fin pipe |
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Effective date of registration: 20191126 Address after: No.2, Xuhe Road, diaopu street, Gaogang District, Taizhou City, Jiangsu Province Patentee after: Li Qiannan Address before: 266075 Shandong city of Qingdao province Fuzhou City Road No. 75 building A room 0201 Patentee before: Zhao Wei |
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