CN108024486A - Minitype radiator and its manufacture method based on dragonfly wing microcosmic surface - Google Patents
Minitype radiator and its manufacture method based on dragonfly wing microcosmic surface Download PDFInfo
- Publication number
- CN108024486A CN108024486A CN201810007111.3A CN201810007111A CN108024486A CN 108024486 A CN108024486 A CN 108024486A CN 201810007111 A CN201810007111 A CN 201810007111A CN 108024486 A CN108024486 A CN 108024486A
- Authority
- CN
- China
- Prior art keywords
- heat sink
- heat
- dragonfly wing
- microcosmic
- dragonfly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000238633 Odonata Species 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 230000017525 heat dissipation Effects 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000011664 nicotinic acid Substances 0.000 claims description 14
- 238000013461 design Methods 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000010146 3D printing Methods 0.000 abstract description 6
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000004377 microelectronic Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 230000003416 augmentation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Classifications
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- 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
Abstract
The present invention discloses a kind of minitype radiator and its manufacture method based on dragonfly wing microcosmic surface, the heat sink of dragonfly wing surface microstructure microelectronics radiator is prepared using 3D printing technique, can effective one-pass molding, especially in the complicated micro-structure of the space of closing shaping.The fin surface manufactured by this method has the stronger coefficient of heat transfer, realizes that the heat sink prepared compared with classical production process has stronger heat exchange property.It is bionical in minitype radiator fin surface will to be based on dragonfly wing surface microstructure feature, not only increase radiating efficiency on unit heat dissipation area, there is obvious humidification to the heat dissipation performance of heat sink, and high speed whirlpool can be formed in passage heat dissipation medium during equipment running, heat dissipation vehicle and product heat is allowed sufficiently to be radiated, heat more effectively is taken away, so as to reach augmentation of heat transfer feature.
Description
Technical field
The present invention relates to heat sink technology field, and in particular to a kind of minitype radiator based on dragonfly wing microcosmic surface
And its manufacture method.
Background technology
At present, the reinforcing in the world to enhanced heat exchange surface is prepared growing, and many researchers study various one after another
Physics, chemistry and bionical manufacture.Commonly used approach is that photoetching process, interferometric method, fold method and electrical spinning method etc. change original
Some smooth surface or mimic biology surface microstructure manufactures.Have that process velocity is fast existing for these methods a little, material
It is applied widely, and be easy to be molded.But there is stress variation involved in manufacturing process, pair of mould for part in these methods
The shortcomings of standard, high standby maintenance expense, and be that required precision cannot reach biological surface microstructure there are a crucial factor
Requirement, high to the size class of biological surface when preparing biological microcosmic surface, there are irregular shape etc. for microscopic surface texture
Reason, the bionic surface prepared with these traditional methods.The feature of biosurface structure is not embodied preferably, because
And prepared product cannot show bionic function well.
The content of the invention
To be solved by this invention is that sink-efficiency is not high, and existing processing method is difficult to meet prepared by current radiators
The problem of requirements for high precision, there is provided a kind of minitype radiator and its manufacture method based on dragonfly wing microcosmic surface.
To solve the above problems, the present invention is achieved by the following technical solutions：
Gone out based on the minitype radiator of dragonfly wing microcosmic surface, including water cooling babinet, heat dissipation vehicle entrance, heat dissipation vehicle
Mouth and the heat sink of more than 2；Water cooling babinet is hollow closed babinet, and the side of water cooling babinet is equipped with heat dissipation vehicle entrance,
The opposite side of water cooling babinet offers heat dissipation vehicle outlet；All heat sinks are vertically set in the inner cavity of water cooling babinet, and
Side by side parallel is set in the inner cavity of water cooling babinet；An at least side surface for every heat sink is provided with several shape and size
Consistent column projection；All column projections are arranged on the surface of heat sink in regular matrix；It is expert on direction, every 2 row
Column projection is affixed；Arranging on arragement direction, every 2 colonnade shape projection is spaced.
In such scheme, the column projection is in cylinder.
In such scheme, the madial wall of the lateral edges of heat sink with water cooling babinet is affixed.
In such scheme, heat sink is made of titanium alloy.
The manufacture method of minitype radiator based on dragonfly wing microcosmic surface, includes the manufacture of heat sink, the heat dissipation
It is as follows that the manufacture of piece specifically includes step：
Step 1, with reverse engineering software to dragonfly wing microcosmic surface carry out 3-D scanning handle, therefrom extract
The characteristic point cloud of dragonfly wing microscopic surface texture；
Step 2, by the characteristic point cloud of the dragonfly wing microscopic surface texture extracted be embedded into given design space
In coordinate, vector parameter set is obtained；
Step 3, from vector parameter set randomly select indicatrix to build bionic curved surface；
Step 4, carry out slickness, continuity and error-detecting to bionic curved surface；When the testing result of bionic curved surface meets
It is required that when, then create the heat sink based on dragonfly wing microcosmic surface threedimensional model；Otherwise, return to step 3；
Step 5, import the threedimensional model for creating heat sink in 3D printer system, and generates the stl file of heat sink；
Step 6, generate control print parameters according to the stl file of heat sink, and completes accordingly microcosmic based on dragonfly wing
The heat sink printing of the minitype radiator on surface.
Compared with prior art, the present invention has following features：
It is 1st, based on dragonfly wing surface microstructure feature, this feature is bionical in minitype radiator fin surface,
Compared to smooth surface, by increasing capacitance it is possible to increase the heat transfer area 10%-20% of radiator, which not only adds dissipated on unit heat dissipation area
The thermal efficiency, has obvious humidification to the heat dissipation performance of heat sink, and in passage heat dissipation medium meeting during equipment running
High speed whirlpool is formed, allows heat dissipation vehicle and product heat sufficiently to be radiated, more effectively takes away heat, so as to reach reinforcing
Heat compensator conducting property, this bionic surface minitype radiator can effectively reduce the volume of radiator in the case of same heat dissipation capacity, reduce
Manufacture cost.
2nd, the present invention prepares the heat sink of dragonfly wing surface microstructure microelectronics radiator using 3D printing technique,
Can effective one-pass molding, especially in the complicated micro-structure of the space of closing shaping.The fin surface manufactured by this method
With the stronger coefficient of heat transfer, realize that the heat sink prepared compared with classical production process has stronger heat exchange property.
Brief description of the drawings
Fig. 1 is the structure diagram of the minitype radiator based on dragonfly wing microcosmic surface.
Fig. 2 is the structure diagram of heat sink.
Fig. 3 is enlarged diagram at A in Fig. 2.
Fig. 4 is the flow chart of the minitype radiator manufacture method based on dragonfly wing microcosmic surface.
Figure label：1st, water cooling babinet；2nd, heat dissipation vehicle entrance；3rd, heat dissipation vehicle exports；4th, heat sink.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with instantiation, and with reference to attached
Figure, the present invention is described in more detail.It should be noted that the direction term mentioned in example, such as " on ", " under ",
" in ", " left side " " right side ", "front", "rear" etc., be only refer to the attached drawing direction.Therefore, the direction used is intended merely to explanation
For limiting the scope of the invention.
Minitype radiator based on dragonfly wing microcosmic surface is as shown in Figure 1, including water cooling babinet 1, heat dissipation vehicle entrance
2nd, heat dissipation vehicle exports the heat sink 4 of more than 3 and 2.Water cooling babinet 1 is hollow closed babinet, and the side of water cooling babinet 1 is set
There is heat dissipation vehicle entrance 2, the opposite side of water cooling babinet 1 offers heat dissipation vehicle outlet 3.In the present embodiment, water cooling babinet 1
A length of 63mm, width 30mm, a height of 5.6mm.
All heat sinks 4 are vertically set in the inner cavity of water cooling babinet 1, and the side by side parallel in the inner cavity of water cooling babinet 1
Set.The both ends of the passage formed between 2 adjacent heat sinks 4 export 3 phases with heat dissipation vehicle entrance 2 and heat dissipation vehicle respectively
It is logical.In order to improve heat exchange, the madial wall of the lateral edges of heat sink 4 with water cooling babinet 1 is affixed.Heat sink 4 is by titanium alloy
It is made, and there is enough hardness, it is cheap, it is light-weight, the characteristics of good heat conductivity.
Heat sink 4 is based on dragonfly wing surface microstructure characteristic Design, referring to Fig. 2 and Fig. 3.Every heat sink 4 is extremely
A few side surface is provided with several column projections, and the shape and size of these column projections are completely the same.In the present embodiment,
The upper and lower surface of heat sink 4 is equipped with column and dashes forward, and all column projections are cylinder.All column projections are in heat sink 4
Surface in regular matrix arrange.It is expert on direction, every 2 row column projection is affixed.Arranging on arragement direction, every 2 colonnade
Shape projection is spaced.In the present embodiment, a height of 0.2mm of column projection, a diameter of 0.4mm, between every 2 colonnade shape projection
At intervals of 0.3mm, the dragonfly of some groups of groove width 0.3mm, rib width 0.4mm, high 0.2mm are thus formed on the surface of heat sink 4
Wing surface microstructure.
According to the design feature of the above-mentioned minitype radiator based on dragonfly wing microcosmic surface, the spreader surface knot
The required precision of structure is in 0.1mm.And the large scale groove described in the anisotropy requirement in dragonfly wing surface microstructure exists
High 0.2mm or so, wide 0.3mm or so, its structure meet the hydrophobicity on dragonfly wing surface.
In order to reach this required precision, and dissipating for more preferable imitative dragonfly wing surface microscopic is prepared with this realize
Backing 4, strengthens the heat exchange property of microelectronics radiator, and the present invention is joined imitative dragonfly wing microcosmic surface by Reverse Engineering Technology
It is several to propose out, bionical micromodel then is established with three-dimensional software, what the data on the surface of the model and extraction acquired
Dragonfly wing surface data is identical, and model preservation is saved in into STL forms and is input in 3D printer, passes through melting afterwards
Sintering 3D printing technique prepares a kind of 4 surface of wetability heat sink with dragonfly wing surface texture, the heat dissipation of this structure
Piece 4 is that the microcosmic surface data based on dragonfly wing are established, and the manufacture method printing precision has met imitative dragonfly wing
The size requirement of surface texture, this preparation method provide possibility for dragonfly wing microstructure is applied on heat sink 4.
The manufacture method of the above-mentioned minitype radiator based on dragonfly wing microcosmic surface, includes the manufacture of heat sink 4, described
The manufacture of heat sink 4 is as shown in figure 4, to specifically include step as follows：
Step 1, with reverse engineering software Surfacer to dragonfly wing microcosmic surface carry out 3-D scanning handle,
Therefrom extract the characteristic point cloud of dragonfly wing microscopic surface texture；
Step 2, by the characteristic point cloud of the dragonfly wing microscopic surface texture extracted be embedded into given design space
In coordinate, vector parameter set is obtained；
Step 3, from vector parameter set randomly select indicatrix to build bionic curved surface；
Step 4, carry out slickness, continuity and error-detecting to bionic curved surface；When the testing result of bionic curved surface meets
It is required that when, then create the heat sink 4 based on dragonfly wing microcosmic surface threedimensional model；Otherwise, return to step 3；
Step 5, by create heat sink 4 threedimensional model import 3D printer system in, and generate heat sink 4 STL text
Part；
Step 6, generate control print parameters according to the stl file of heat sink 4, and completes accordingly microcosmic based on dragonfly wing
The heat sink 4 of the minitype radiator on surface prints.
Nature animals and plants microscopic surface texture is applied to minitype radiator by the present invention by Reverse engineering technology
On, bionic micro radiator is then printed by 3D printing technique.3D printing technique disclosure satisfy that the precision of its surface texture will
Ask, the high 0.2mm wide 0.3mm groove structures on surface, the structured data on dragonfly wing surface must can be reappeared radiating in high precision
On piece 4.3D printing manufacture method is simple, is suitable for the production of bionic surface structure product, according to the requirement of patent, first has to profit
With the microstructure data on Reverse Engineering Technology extraction dragonfly wing surface, the data extracted are subjected to three-dimensional modeling, are protected
STL forms are deposited, input 3D printer, carry out finished product printing.
It should be noted that although embodiment of the present invention is illustrative above, but it is to the present invention that this, which is not,
Limitation, therefore the invention is not limited in above-mentioned embodiment.Without departing from the principles of the present invention, it is every
The other embodiment that those skilled in the art obtain under the enlightenment of the present invention, is accordingly to be regarded as within the protection of the present invention.
Claims (5)
1. based on the minitype radiator of dragonfly wing microcosmic surface, including water cooling babinet (1), heat dissipation vehicle entrance (2), heat dissipation matchmaker
Be situated between outlet (3) and the heat sink of more than 2 (4)；Water cooling babinet (1) is hollow closed babinet, and the side of water cooling babinet (1) is set
There is heat dissipation vehicle entrance (2), the opposite side of water cooling babinet (1) offers heat dissipation vehicle outlet (3)；All heat sinks (4) are hung down
Directly it is arranged in the inner cavity of water cooling babinet (1), and side by side parallel is set in the inner cavity of water cooling babinet (1)；It is characterized in that every
An at least side surface for heat sink (4) is provided with the consistent column projection of several shape and size；All column projections exist
Arrange in regular matrix on the surface of heat sink (4)；It is expert on direction, every 2 row column projection is affixed；Arranging to arragement direction
On, every 2 colonnade shape projection is spaced.
2. the minitype radiator according to claim 1 based on dragonfly wing microcosmic surface, it is characterized in that, the column projection
In cylinder.
3. the minitype radiator according to claim 1 based on dragonfly wing microcosmic surface, it is characterized in that, heat sink (4)
Madial wall of the lateral edges with water cooling babinet (1) is affixed.
4. the minitype radiator according to claim 1 based on dragonfly wing microcosmic surface, it is characterized in that, heat sink (4) by
Titanium alloy is made.
5. the manufacture method of the minitype radiator based on dragonfly wing microcosmic surface described in claim 1, including heat sink (4)
Manufacture, it is characterised in that：It is as follows that the manufacture of the heat sink (4) specifically includes step：
Step 1, with reverse engineering software to dragonfly wing microcosmic surface carry out 3-D scanning handle, therefrom extract dragonfly
The characteristic point cloud of wing microscopic surface texture；
The characteristic point cloud of the dragonfly wing microscopic surface texture extracted, is embedded into given design space coordinate by step 2
In, obtain vector parameter set；
Step 3, from vector parameter set randomly select indicatrix to build bionic curved surface；
Step 4, carry out slickness, continuity and error-detecting to bionic curved surface；When the testing result of bionic curved surface meets the requirements
When, then create the heat sink (4) based on dragonfly wing microcosmic surface threedimensional model；Otherwise, return to step 3；
Step 5, will create heat sink (4) threedimensional model import 3D printer system in, and generate heat sink (4) STL text
Part；
Step 6, generate control print parameters according to the stl file of heat sink (4), and completes to be based on the microcosmic table of dragonfly wing accordingly
Heat sink (4) printing of the minitype radiator in face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810007111.3A CN108024486A (en) | 2018-01-04 | 2018-01-04 | Minitype radiator and its manufacture method based on dragonfly wing microcosmic surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810007111.3A CN108024486A (en) | 2018-01-04 | 2018-01-04 | Minitype radiator and its manufacture method based on dragonfly wing microcosmic surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108024486A true CN108024486A (en) | 2018-05-11 |
Family
ID=62071183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810007111.3A Pending CN108024486A (en) | 2018-01-04 | 2018-01-04 | Minitype radiator and its manufacture method based on dragonfly wing microcosmic surface |
Country Status (1)
| Country | Link |
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| CN (1) | CN108024486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433874A (en) * | 2021-12-22 | 2022-05-06 | 首都航天机械有限公司 | Design and manufacturing method of leaf-tissue-imitated porous radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20180511 |