CN104768356A - Novel water cooling plate structure applying 3D printing technology - Google Patents
Novel water cooling plate structure applying 3D printing technology Download PDFInfo
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- CN104768356A CN104768356A CN201510205124.8A CN201510205124A CN104768356A CN 104768356 A CN104768356 A CN 104768356A CN 201510205124 A CN201510205124 A CN 201510205124A CN 104768356 A CN104768356 A CN 104768356A
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- cooling plate
- water
- trapezoidal main
- plate structure
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Abstract
The invention discloses a novel water cooling plate structure applying the 3D printing technology. An internal channel of a cooling plate base body comprises a plurality of trapezoid main water channel bodies and circular hole micro channels. A water inlet is communicated with the trapezoid main water channel body on the water inlet side of the cooling plate base body, and a water outlet is communicated with the trapezoid main water channel body on the water outlet side of the cooling plate base body. The trapezoid main water channel bodies on the water inlet side and the water outlet side in the cooling plate base body are independently arranged, and the other trapezoid main water channel bodies are arranged in pairs. A communicating port is arranged at the wide bottom edge between every two trapezoid main water channel bodies arranged in pairs, and the portions, except the communicating ports, between the trapezoid main water channel bodies are provided with gaps. The trapezoid main water channel bodies are communicated with the circular hole micro channels. Compared with the prior art, the novel water cooling plate structure has the advantages that no water leakage hidden danger exists, water flows in the micro hole micro channels more evenly by the adoption of the trapezoid main water channel bodies, the radiating area is increased through the multiple layers of circular hole micro channels, heat absorption is more sufficient, water flow resistance force is reduced, and the water cooling plate radiating efficiency is improved.
Description
Technical field
The present invention relates to water-cooling technology, particularly relate to a kind of 3D printing technique applied
novelcooled plate structure.
Background technology
Along with the development of electronic technology, the size of electronic equipment is more and more less, packaging density is more and more higher, and overall dissipation power sharply increases, and causes the heat dissipation problem of electronic equipment height hot-fluid to become increasingly conspicuous.When electronic equipment does not have good heat dispersion, significant impact can be produced to the performance of whole equipment and life-span.Cold drawing is mostly adopted to dispel the heat to high density electronic equipment at present.
Cooled plate is common a kind of heat exchanger, and have the features such as lightweight, volume is little, heat dissipation capacity is large, the design of its inner flow passage and radiating fin is the principal element affecting radiating effect.Cooled plate processing common at present adopts Milling Process to go out radiating fin then integrated welding fabrication, there is limited and fin clearance the is excessive problems such as (being generally not less than 3mm) of fin height, radiating efficiency is not high, be difficult to reach cooling requirements, and need large area to seal, there is the hidden danger of leaking.
Summary of the invention
It is high and there is not the application 3D printing technique of leakage hidden trouble that technical problem to be solved by this invention there are provided a kind of radiating efficiency
novelcooled plate structure.
The present invention solves the problems of the technologies described above by the following technical programs: a kind of 3D printing technique applied
novelcooled plate structure, comprise cold plate base and symmetrical water inlet and delivery port, described water inlet and delivery port lay respectively at below the left and right sides of cold plate base, described cold plate base inner passage comprises some trapezoidal main channel and circular hole microchannel, water inlet is communicated with the trapezoidal main channel of cold plate base influent side, delivery port is communicated with the trapezoidal main channel of cold plate base water outlet side, the inner trapezoidal main channel except influent side and water outlet side of cold plate base be independent one arrange except, remaining trapezoidal main channel is all paired setting.Between the trapezoidal main channel of paired setting, wide base place is provided with connected entrance, part between trapezoidal main channel except connected entrance is then provided with gap, the inner passage of described cold plate base is all circular hole microchannels except trapezoidal main channel, is communicated with between trapezoidal main channel by described circular hole microchannel.
As the technical scheme optimized, be arranged in parallel between described trapezoidal main channel, and the direction that trapezoidal main channel is arranged is consistent with the direction of water inlet and water outlet.
As the technical scheme optimized, the connected entrance place between the trapezoidal main channel arranged in pairs is provided with splitter.
As the technical scheme optimized, described splitter comprises at least a slice.
As the technical scheme optimized, described splitter comprises some, and some splitters be arranged in parallel in direction that is vertical and current.
As the technical scheme optimized, the both sides, bottom of splitter are outward extending circular arc.
As the technical scheme optimized, described circular hole microchannel is at least one deck.
As the technical scheme optimized, fillet is all arranged in the upper bottom of described trapezoidal main channel.
As the technical scheme optimized, described cooled plate structure adopts 3D printing technique one-body molded.
As a concrete technical scheme, in described trapezoidal main channel, base is 1.5mm, and bottom is 5.5mm, and height is 61.5mm, adjacent water channel spacing 1.5mm, and upper base radius of corner is 0.75mm, and bottom radius of corner is 2.75mm; The each through-hole diameter in described multilayer circular hole microchannel is 1mm, along cold plate base thickness direction pitch of holes 1.6mm, along short transverse pitch of holes 1.5mm; Described splitter thickness is 0.5mm, and the radius of corner of circular arc is 1mm.
The present invention has the following advantages compared to existing technology: by adopt, 3D printing technique is one-body molded to be produced
novelcooled plate structure, there is not the hidden danger of leaking, adopt trapezoidal main channel that water is circulated more equably in multiple circular hole microchannel, by multilayer circular hole microchannel increasing heat radiation area, absorb heat more abundant, reduce water circulating resistance, splitter plays the effect increasing heat exchange area and strengthen flow-disturbing simultaneously, and the sectional area that water be can flow through reduces, and plays the effect increasing flow velocity, be conducive to the heat exchange coefficient improving water and wall, thus improve the radiating efficiency of cooled plate.
Accompanying drawing explanation
fig. 1for cooled plate structure master of the present invention looks
figure;
fig. 2for cooled plate structure of the present invention is looked up
figure;
fig. 3for
fig. 1middle A-A analyses and observe
figure;
fig. 4for
fig. 2middle B-B analyses and observe
figure;
fig. 5for
fig. 2middle B-B oppositely analyses and observe
figure;
fig. 6for correspondence
fig. 4the perspective cross-sectional in direction
figure;
fig. 7for correspondence
fig. 5the perspective cross-sectional in direction
figure;
fig. 8for
fig. 1middle C-C analyses and observe
figure;
fig. 9for
fig. 8signal is amplified in middle I portion
figure;
fig. 10 for splitter signal is set
figure.
Embodiment
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
as Fig. 1extremely
fig. 7shown in, the present invention is a kind of applies 3D printing technique
novelcooled plate structure, comprises cold plate base 1 and symmetrical water inlet 2 and delivery port 3.
Described cold plate base 1 inner passage comprises some trapezoidal main channel 12, circular hole microchannel 14.
Described water inlet 2 and delivery port 3 lay respectively at below the left and right sides of cold plate base 1, and water inlet 2 is communicated with the trapezoidal main channel 12 of cold plate base 1 influent side, and delivery port 3 is communicated with the trapezoidal main channel 12 of cold plate base 1 water outlet side.
Cold plate base 1 inside except influent side and water outlet side trapezoidal main channel 12 for independent one arrange except, remaining trapezoidal main channel 12 is all paired setting.Between the trapezoidal main channel 12 of paired setting, wide base place is provided with connected entrance 122, part between trapezoidal main channel 12 except connected entrance 122 is then provided with gap 124, the setting of connected entrance 122 enables water flow into next trapezoidal main channel 12 from a trapezoidal main channel 12, and the setting in gap 122 is in order to increasing heat radiation area.Be arranged in parallel between trapezoidal main channel 12, and the direction that trapezoidal main channel 12 is arranged is consistent with the direction of water inlet and water outlet.
The inner passage of described cold plate base 1 is all circular hole microchannels 14 except trapezoidal main channel 12, be communicated with by described circular hole microchannel 14 between trapezoidal main channel 12, the cold water entered by water inlet 2 enters the trapezoidal main channel 12 of influent side due to pressure, is then flowed into the trapezoidal main channel 12 of next adjacent paired setting by circular hole microchannel 14.Water between the trapezoidal main channel 12 of paired setting is communicated with by connected entrance 122, and flow to according to this, final water from delivery port 3 out, becomes hot water, thus plays to the effect of parts heat radiation.
Because the runner of whole water is long, current are more less toward backlash, current are caused to slow down, radiating effect is deteriorated, based on this consideration, the applicant devises a technical scheme optimized, and connected entrance 122 place between the trapezoidal main channel 12 arranged in pairs is provided with splitter 126, and splitter 126 is arranged along the direction of current.Please refer to
fig. 8extremely
fig. 1shown in 0, described splitter 126 comprises at least a slice, be provided with 2 splitters, 126,2 splitters 126 and be arranged in parallel in direction that is vertical and current, and the both sides, bottom of splitter 126 is outward extending arc in the present embodiment.The effect increasing radiating surface and strengthen flow-disturbing is played in the setting of splitter 126, and the sectional area that water can be made to flow through reduces, and plays the effect increasing flow velocity, improves the radiating efficiency of cooled plate.
The size of trapezoidal main channel is arranged according to the size of cooled plate, and described circular hole microchannel 14 is at least one deck, and maximum numbers of plies is determined by the thickness of cooled plate, is provided with four layers of circular hole microchannel 14 in the present embodiment.Multilayer circular hole microchannel 14 can effective increasing heat radiation area reduce water circulating resistance.
In order to enable water flow smoothly, fillet is all arranged in the upper bottom of described trapezoidal main channel 12.
Described cooled plate structure adopts 3D printing technique one-body molded.
As a concrete example, in described trapezoidal main channel, base is 1.5mm, and bottom is 5.5mm, and height is 61.5mm, adjacent water channel spacing 1.5mm, and upper base radius of corner is 0.75mm, and bottom radius of corner is 2.75mm.The each through-hole diameter in described multilayer circular hole microchannel is 1mm, along cold plate base thickness direction pitch of holes 1.6mm, along short transverse pitch of holes 1.5mm.Described splitter thickness is 0.5mm, and radius of corner is 1mm.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. apply the water cooling plate structure of 3D printing technique for one kind, comprise cold plate base and symmetrical water inlet and delivery port, described water inlet and delivery port lay respectively at below the left and right sides of cold plate base, it is characterized in that: described cold plate base inner passage comprises some trapezoidal main channel and circular hole microchannel, water inlet is communicated with the trapezoidal main channel of cold plate base influent side, delivery port is communicated with the trapezoidal main channel of cold plate base water outlet side, the inner trapezoidal main channel except influent side and water outlet side of cold plate base be independent one arrange except, remaining trapezoidal main channel is all paired setting.Between the trapezoidal main channel of paired setting, wide base place is provided with connected entrance, part between trapezoidal main channel except connected entrance is then provided with gap, the inner passage of described cold plate base is all circular hole microchannels except trapezoidal main channel, is communicated with between trapezoidal main channel by described circular hole microchannel.
2. the water cooling plate structure of application 3D printing technique as claimed in claim 1, it is characterized in that: be arranged in parallel between described trapezoidal main channel, and the direction that trapezoidal main channel is arranged is consistent with the direction of water inlet and water outlet.
3. the water cooling plate structure of application 3D printing technique as claimed in claim 1, is characterized in that: the connected entrance place between the trapezoidal main channel arranged in pairs is provided with splitter.
4. the water cooling plate structure of application 3D printing technique as claimed in claim 3, is characterized in that: described splitter comprises at least a slice.
5. the water cooling plate structure of application 3D printing technique as claimed in claim 3, is characterized in that: described splitter comprises some, and some splitters be arranged in parallel in direction that is vertical and current.
6. the water cooling plate structure of the application 3D printing technique as described in any one of claim 3 to 5, is characterized in that: the both sides, bottom of splitter are outward extending circular arc.
7. the water cooling plate structure of application 3D printing technique as claimed in claim 1, is characterized in that: described circular hole microchannel is at least one deck.
8. the water cooling plate structure of application 3D printing technique as claimed in claim 1, is characterized in that: fillet is all arranged in the upper bottom of described trapezoidal main channel.
9. the water cooling plate structure of application 3D printing technique as claimed in claim 1, is characterized in that: described cooled plate structure adopts 3D printing technique one-body molded.
10. the water cooling plate structure of application 3D printing technique as claimed in claim 8, it is characterized in that: in described trapezoidal main channel, base is 1.5mm, bottom is 5.5mm, height is 61.5mm, adjacent water channel spacing 1.5mm, upper base radius of corner is 0.75mm, and bottom radius of corner is 2.75mm; The each through-hole diameter in described multilayer circular hole microchannel is 1mm, along cold plate base thickness direction pitch of holes 1.6mm, along short transverse pitch of holes 1.5mm; Described splitter thickness is 0.5mm, and the radius of corner of circular arc is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510205124.8A CN104768356B (en) | 2015-04-27 | 2015-04-27 | A kind of water cooling hardened structure of application 3D printing technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510205124.8A CN104768356B (en) | 2015-04-27 | 2015-04-27 | A kind of water cooling hardened structure of application 3D printing technique |
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| CN104768356A true CN104768356A (en) | 2015-07-08 |
| CN104768356B CN104768356B (en) | 2017-06-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11235528B2 (en) | 2017-09-02 | 2022-02-01 | R3 Printing, Inc. | Carriageless print head assembly for extrusion-based additive construction |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU190821U1 (en) * | 2018-10-25 | 2019-07-15 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский авиационный институт (национальный исследовательский университет)" | The case of the receiving-transmitting module of an active phased antenna array manufactured by layer-by-layer laser synthesis |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060108098A1 (en) * | 2004-11-24 | 2006-05-25 | General Electric Company | Heat sink with microchannel cooling for power devices |
| CN101778554A (en) * | 2010-01-04 | 2010-07-14 | 北京交通大学 | Radiating system |
| CN201655785U (en) * | 2010-04-15 | 2010-11-24 | 华中科技大学 | Micro-channel heat sink for electronic packaging device |
| CN102548367A (en) * | 2012-02-07 | 2012-07-04 | 山东大学 | Small passageway liquid cooling base board of power electronic integration module with double-trapezoid cross section fins |
| CN204598551U (en) * | 2015-04-27 | 2015-08-26 | 中国电子科技集团公司第三十八研究所 | A kind of water cooling plate structure applying 3D printing technique |
-
2015
- 2015-04-27 CN CN201510205124.8A patent/CN104768356B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060108098A1 (en) * | 2004-11-24 | 2006-05-25 | General Electric Company | Heat sink with microchannel cooling for power devices |
| CN101778554A (en) * | 2010-01-04 | 2010-07-14 | 北京交通大学 | Radiating system |
| CN201655785U (en) * | 2010-04-15 | 2010-11-24 | 华中科技大学 | Micro-channel heat sink for electronic packaging device |
| CN102548367A (en) * | 2012-02-07 | 2012-07-04 | 山东大学 | Small passageway liquid cooling base board of power electronic integration module with double-trapezoid cross section fins |
| CN204598551U (en) * | 2015-04-27 | 2015-08-26 | 中国电子科技集团公司第三十八研究所 | A kind of water cooling plate structure applying 3D printing technique |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11235528B2 (en) | 2017-09-02 | 2022-02-01 | R3 Printing, Inc. | Carriageless print head assembly for extrusion-based additive construction |
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| CN104768356B (en) | 2017-06-06 |
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