CN207219258U - A kind of three-dimensional heat abstractor - Google Patents
A kind of three-dimensional heat abstractor Download PDFInfo
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- CN207219258U CN207219258U CN201720846550.4U CN201720846550U CN207219258U CN 207219258 U CN207219258 U CN 207219258U CN 201720846550 U CN201720846550 U CN 201720846550U CN 207219258 U CN207219258 U CN 207219258U
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Abstract
The utility model discloses the utility model is related to a kind of three-dimensional heat abstractor, belong to three-dimensional heat abstractor manufacture field.Three-dimensional heat abstractor of the present utility model includes three-dimensional water cooling part, pump, radiator and fan；Three-dimensional water cooling part is processed into three-dimensional shape by one piece of cooled plate；The water inlet of three-dimensional water cooling part is connected with the delivery port of pump；The delivery port of three-dimensional water cooling part is connected with the water inlet of air-cooled radiator；The delivery port of air-cooled radiator is connected with the water inlet of pump；Fan is connected with air-cooled radiator.The utility model solid heat abstractor is processed into the integral stereoeffect of arbitrary size with the size and shape of radiating element as needed, three-dimensional shape and size are unrestricted, at flex point/leakage point is not present in bending place, will not locally radiating be uneven because heat leak point be present.Suitable for the radiating of component.
Description
Technical field
A kind of three-dimensional heat abstractor is the utility model is related to, belongs to three-dimensional heat abstractor manufacture field.
Background technology
Rarely having three-dimensional heat radiating structure by the way of plane radiating mostly in the prior art, plane radiating efficiency is low, some
The radiating of situation plane can not meet cooling requirements, and space heat elimination can greatly promote radiating efficiency, can reach quick heat radiating
Purpose, therefore, space heat elimination are a research emphasis of this area.
It is existing to solve the problems, such as that high temperature radiating typically has three kinds of methods：1st, water-cooling pattern, 2, air cooling way, 3, using heat-insulated
The mode of material, wherein：
1st, water-cooling pattern
Conventional water-cooling pattern is flat type, can not solve space heat problem of transmission.The stereochemical structure of splicing is present
Heat leak and radiating problem of non-uniform, and spatial volume it is larger can not be arranged on cavity in.
2nd, air cooling way
Heat can be taken to outside cavity using air cooling way and wind-cooling heat dissipating is used such as in family expenses projecting apparatus, but it is air-cooled scattered
Thermal noise is big, can produce the micro- effect of vibration effect.According to the investigation to projector market product, at present using air cooling way
Projector products are generally higher than 60 degree in 1 hour or so the thermal equilbrium state surface temperature that works.Such a mode can not quick resolver
The problem of heat caused by part moment sheds, radiating efficiency is relatively low, easily causes device to cause high temperature melt device slowly due to radiating
The problem of part.
3rd, using heat-barrier material
It is used for being incubated industry, isolation thermal source and outside heat exchange by the way of heat-barrier material thermal resistance.But for
Space multistory radiates, and is not gone out if can occur heat in use by the way of heat-barrier material is used and dissipate, heat-insulated material
There is constant temperature rise particular up to device fusing point in the interior volume of material composition, destroys device, or even easily make device inside
Produce high pressure and the harm such as explode.
Therefore it is safer by the way of water-cooling and higher relative to other two kinds of radiating efficiencys.
Prior art water-cooling heat radiating device is all the cooled plate of one piece of plane, and existing cooled plate is broadly divided at present：
1) pressure-pipe type：It is to couple metallic water pipe with heat exchange plate extruding, sheet about 10mm；
2) buried tube type：It is that metallic water pipe is embedded in inside heat exchange plate by soldering connection, sheet about 10mm；
3) agitating friction weldering formula, be that runner is milled out in metallic plate, after flow passage cover plate is passed through into agitating friction weldering side
Formula is welded, sheet about 8mm；
The cooled plate of the above-mentioned type due to it is existing processing cooled plate technique make it that the thickness ratio of cooled plate is thicker, exist by
It is unable to realize that bending or bending technique difficulty are bigger in plate is blocked up, and then is difficult to be processed into nonplanar space to dissipate
Heat structure.Rarely has the water cooling plant of stereochemical structure in the prior art, the water cooling plant of existing stereochemical structure is by polylith plane
Cooled plate splicing assemble, need to realize the stream of two boards with the mode taken in the runner connection place of each flat plate
The connection in road, the drawbacks of this mode is present：The mode with adapter is needed to realize two in the runner connection place of each flat plate
The connection of the runner of block plate, wrapped up without thermal component outside connecting pipe, and it is complicated be not easy to construct, the shape of composition
It is limited, i.e.,：It can only be the shape being spliced to form of multiple flat boards.The type generally taken over has welding, cutting ferrule connection etc., mainly deposits
In following shortcoming：1st, each sheet causes greatly overall volume big, and to directly result in the plate area of plane big for sheet, can not
Make compact package；2nd, there is leakage focus in junction.In plate junction because pipeline is larger compared with pipeline radius of turn is slightly caused,
There can be leakage focus between two plates in connection, gap be present has the problems such as heat leak, influences heat exchange efficiency；3rd, even
It is big to connect place's occupancy volume, welds or ferrule fitting must all leave processing space in connection procedure, restrict in plate and flow
The density in road.Make heat distribution in plate uneven.
Therefore, a kind of three-dimensional heat abstractor being made up of integrally formed three-dimensional water cooling part is lacked in the prior art.
Utility model content
It is existing to solve to lack a kind of three-dimensional heat abstractor being made up of integrally formed three-dimensional water cooling part in the prior art
Many drawbacks, such as shape be present in the cooled plate splicing composition of the multiple planes of technology neutral body water cooling part generally use, this mode
It is limited, volume is excessive, runner connection place has the problems such as heat leakage point causes heat distribution uneven.The utility model provides
A kind of three-dimensional heat abstractor, the technical scheme of use are：
A kind of three-dimensional heat abstractor, the device include three-dimensional water cooling part 1, pump 2, radiator 3 and fan 4；Wherein：It is described vertical
Body water cooling part 1 is processed into three-dimensional shape by one piece of cooled plate；The water inlet of the three-dimensional water cooling part 1 is connected with the delivery port of pump 2；
The delivery port of the three-dimensional water cooling part 1 is connected with the water inlet of air-cooled radiator 3；The delivery port of the air-cooled radiator 3 and pump 2
Water inlet be connected；The fan 4 is connected with air-cooled radiator 3.
Further, the thickness of the cooled plate is 0.5mm-4mm.
Further, the thickness of the cooled plate is 0.5mm-3.5mm.
Further, the outside of radiator 3 is provided with fan 4.
Further, the radiator 3 is air-cooled radiator.
Further, a kind of embodiment of cooled plate described in the utility model：The cooled plate is mutual by two boards piece
It is superimposed and is achieved a fixed connection by diffusion welding (DW), water flow passage, the current stream is etched with wherein at least one plate side wall
Road is provided with any one plate in described two plates and the water inlet end of water flow passage and gone out between two plates
Water inlet corresponding to water end (W.E.) and delivery port.
Further, the another embodiment of cooled plate described in the utility model：The cooled plate is by three pieces of plate phases
Mutually it is superimposed and is achieved a fixed connection by diffusion welding (DW), wherein being provided with the water flow passage of hollow out on middle plate, is located at
Water inlet corresponding with the water inlet end of water flow passage and water side and water outlet are provided with the plate of both sides on any one plate
Mouthful.
Further, water flow passage described above is the water cooling plate thickness perpendicular to the width of cooled plate plate face
50%-70%.
Further, width of the water flow passage described above along cooled plate board direction is 0.1mm-6mm.
Further, the water flow passage of hollow out described in the utility model be by wire cutting either laser cutting or wait from
Son cutting is formed.
Further, the three-dimensional water cooling part 1 is the casing of cylinder or a side opening.
Further, the water flow passage is the runner of variable cross-section, has bending angle small in the three-dimensional shape of described device
In 180 ° of bending parts, through the section increase of the water flow passage of the bending part.
Further, the section increases 1.1 times -1.3 times.
The material of each component can be aluminium in the ultra-thin cooled plate of the utility model, titanium, copper, the common metal such as stainless steel, and
Can be welded between different metal, at the same can also ceramics, the nonmetallic materials such as graphite, or metal and it is nonmetallic between carry out
Welding.
The utility model device is applied to power electronics industry, automobile industry, chemical cell industry, military industry, track
The fields such as traffic, Aero-Space, weapons equipment, linear electric motors, microscope projector's light source heat radiation.
The utility model beneficial effect：
The utility model overcomes prior art prejudice：The water cooling plant of existing stereochemical structure is by the water of polylith plane
Cold drawing splicing assembles, and needs to realize the runner of two boards with the mode taken in the runner connection place of each flat plate
Connection.Although the three-dimensional water cooling part in the application solid heat abstractor is stereochemical structure, without using existing three-dimensional water cooling
The mentality of designing of device, go to study the splicing of polylith cooled plate, but three-dimensional shape is processed into by one piece of cooled plate.
The sheet of cooled plate about 8mm-10mm in the prior art, it is curved that the half of the thickness make it that plate is difficult to
Folding, it is difficult to be processed into the water cooling plant of integrated formed structure, above mentioned problem is the skill that those skilled in the art can not break through always
Art bottleneck, the utility model greatly reduce the thickness of plate by a kind of ultra-thin cooled plate, and the thickness of the cooled plate low can reach
0.5mm-4mm, most thin reachable 0.5mm (in the prior art thickness from not up to such thinness), can realize and be processed into solid figure
Shape, and the heat transfer effect and voltage endurance capability of plate are also ensured while sheet is reduced, and the utility model profit
Three-dimensional water cooling part is integrally machined into the cooled plate, three-dimensional heat abstractor is finally assembled into, breaches prior art bottleneck, fill up
The blank in the prior art not having the three-dimensional water cooling plant for being integrally machined shaping form heat abstractor, is achieved unexpected
Technique effect.
The multiple plane cooled plate splicing compositions of prior art neutral body water cooling part generally use, disadvantage existing for this mode
End：In the runner connection place of each flat plate, needs realize the connection of the runner of two boards, connecting pipe with the mode of adapter
Outside without thermal component wrap up, and it is complicated be not easy to construct, the shape of composition is also limited, i.e.,：Can only be multiple flat boards
The shape being spliced to form, and the existing three-dimensional water-cooling structure being spliced is present：1st, sheet is excessive causes overall volume
Greatly, compact package can not be made；2nd, there is leakage focus in junction, and gap has heat leak to influence heat exchange efficiency；3rd, junction
It is big to take volume, welds or ferrule fitting must all leave processing space in connection procedure, restrict plate inner flow passage
Density, the problems such as make in plate heat distribution uneven, and the utility model device can overcome above-mentioned whole shortcomings.
For the utility model device due to the thinner thickness of cooled plate, the one that can be processed into arbitrary size according to demand is empty
Between stereochemical structure, and the three-dimensional shape being processed into is unrestricted, and is reducing sheet, reducing device volume and weight simultaneously
Also ensure the heat transfer effect and voltage endurance capability of plate；At flex point/leakage point is not present in bending place, it will not be let out because heat be present
Locally radiating is uneven for dew point.
The utility model device can be designed to corresponding three-dimensional shape according to the profile of heater element, and then to heating
Element has more preferable adaptability so that integral water-cooled device is more bonded heater members, reduces heat loss through radiation and reaches optimal scattered
Thermal effect, heat effect of the heater element for system, to greatest extent heat absorption heating can be directly interrupted on route of transmission
Invalid heat caused by element, reduce heat affecting of the heater element for whole system.
Be integrally machined the three-dimensional water cooling plant of shaping due to being made up of one piece of plate, plate inner flow passage is interconnected,
Bending place is easy to the problem of runner deforms because of bending occur, and the utility model device, because sheet is small, runner
Sectional area is small, and runner is unlikely to deform, while the utility model is impacted by bending place in order to reduce runner, and water flow passage is set
Into the runner of variable cross-section, (section that increase current flow to) it can realize that runner is cut by the way of runner is widened in bending place
Area Compensation, and made by rational deployment as far as possible minimum by the runner of bending part, find that section increases 1.1 times -1.3 through experiment
Times can meet the influence for substantially reducing runner heat exchange and deformation, it is best that its middle section increases 1.3 times of effects, heat exchange efficiency not by
Influence.
The utility model, can be on the premise of cooling effect not be reduced, greatly due to using ultra-thin sheet
The weight of heat exchanger is reduced, improves the combination property of system.
Ultra-thin cooled plate provided by the utility model and ultra-thin water cooling plant are that this area opens a kind of brand-new product,
A new development trend is provided for water cooling heat-exchanger rig.
In two kinds of processing methods provided by the utility model, because every laminate piece is all than relatively thin, during diffusion welding (DW),
It can cause occur depressed phenomenon at runner if applying larger pressure, the small not prison welding that can produce of pressure leans on problem.This
By setting rational diffusion technology for welding condition, (then first vacuum to vacuum is forced into below 0.001Pa utility model
0.8MPa-15MPa, it is finally heated to be warming up to 500 DEG C -980 DEG C, it is incubated 10min-180min), both depressed phenomenon can be avoided to produce
Raw, and can avoids not prison welding from leaning on.
Sheet surface can also be processed by shot blasting in processing method of the present utility model, ensure the smooth of sheet surface
And planarization is adjusted by repetition test and ensures at runner to be recessed in below 0.05mm, can subsequently be caused by surface treatment
Sheet surface is without runner vestige.
Cooled plate provided by the utility model by runner plate etching/cutting form water flow passage and pass through diffusion
The mode of welding, which is fixedly connected, enables to the thickness of cooled plate to greatly reduce, and thickness is low to reach 0.5mm-3mm, most thin reachable
0.5mm, such a cooled plate thickness of thin, it can be used in being processed into nonplanar three-dimensional heat radiating structure.
The utility model heat abstractor be applied to power electronics industry, automobile industry, chemical cell industry, military industry,
The fields such as track traffic, Aero-Space, weapons equipment, microscope projector's light source heat radiation.Such as utilize solid of the present utility model
Water cooling plant is prepared into a set of cooling system and is used for the microscopical radiating of super-high power number, due to wanting to make more high-amplification-factor
Microscope, it is necessary to solve the problems, such as microscope radiating, because microscopical volume is limited, heat abstractor should meet volume not
Can be excessive, meet quick heat radiating again and radiating efficiency preferably requires, the utility model device can just overcome above-mentioned carry
The heat dissipation problem run into after high microscope multiple, the problem of radiating can not be solved by having captured preparation super-high power digital display micro mirror.And for example
The utility model can be prepared into three-dimensional heat radiating structure according to motor surface configuration.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of three-dimensional heat abstractor described in the utility model；
(1, three-dimensional water cooling part；2, pump；3, radiator；4, fan).
Fig. 2 is the plate overlooking the structure diagram that water flow passage is etched with three-dimensional water cooling part described in the utility model.
Fig. 3 is the plate dimensional structure diagram that three-dimensional water cooling part described in the utility model is etched with water flow passage.
Fig. 4 is cooled plate in three-dimensional water cooling part described in the utility model (two boards+veneer etching) exploded perspective view.
Fig. 5 is cooled plate in three-dimensional water cooling part described in the utility model (two boards+bis- plates etching) exploded perspective view.
Fig. 6 is the dimensional structure diagram that three-dimensional water cooling part described in the utility model is processed into cylinder.
Fig. 7 is the volume rendering structural representation that three-dimensional water cooling part described in the utility model is processed into cylinder.
Fig. 8 is that three-dimensional water cooling part described in the utility model is processed into the stereochemical structure signal that cylinder removes outermost layer plate
Figure.
Fig. 9 is the plane outspread drawing of cooled plate in three-dimensional water cooling part described in the utility model.
Figure 10 is the exploded perspective view of cooled plate in three-dimensional water part described in the utility model.
Figure 11 is the volume rendering structure for the box shape that three-dimensional water cooling part described in the utility model is processed into a side opening
Schematic diagram.
Figure 12 is the stereochemical structure signal for the box shape that three-dimensional water cooling part described in the utility model is processed into a side opening
Figure.
Figure 13 is the stereochemical structure signal for the box shape that three-dimensional water cooling part described in the utility model is processed into a side opening
Figure.
Figure 14 is the removing outermost laminate for the box shape that three-dimensional water cooling part described in the utility model is processed into a side opening
The dimensional structure diagram of piece.
Figure 15 is the removing outermost laminate for the box shape that three-dimensional water cooling part described in the utility model is processed into a side opening
The dimensional structure diagram of piece.
Embodiment
The utility model is described further with reference to specific embodiment, following examples will be helpful to this area
Technical staff further understands the utility model, but does not limit the utility model in any form.
, it is necessary to explanation in description of the present utility model, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " top ", " bottom ", " interior ", " outer " and " endways " are based on attached
Orientation or position relationship shown in figure, it is for only for ease of and describes the utility model and simplify to describe, rather than instruction or hint
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model.
, it is necessary to which explanation, unless otherwise expressly provided and is limited in description of the present utility model, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be directly connected to, can also be indirectly connected with by intermediary, can be the connection of two components interiors.For
For one of ordinary skill in the art, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
In addition, in description of the present utility model, unless otherwise indicated, " multiple ", " multigroup ", " more " are meant that two
Individual or two or more.
Embodiment one：
Illustrate present embodiment, a kind of three-dimensional heat abstractor of present embodiment with reference to Fig. 1-15, the device includes solid
Water cooling part 1, pump 2, radiator 3；Wherein：Three-dimensional water cooling part 1 is processed into three-dimensional shape by one piece of cooled plate；Three-dimensional water cooling part 1
Water inlet is connected with the delivery port of pump 2；The delivery port of three-dimensional water cooling part 1 is connected with the water inlet of air-cooled radiator 3；Wind-cooling heat dissipating
The delivery port of device 3 is connected with the water inlet of pump 2.
Radiator 3 can also set fan for that can be air-cooled radiator in order to strengthen the outside of radiating effect radiator 3
4。
Three-dimensional water cooling part in present embodiment uses following structure (two layers of plate)：Cooled plate is mutually folded by two boards piece
Add and achieved a fixed connection by diffusion welding (DW), be etched with water flow passage in wherein at least one plate side wall, water flow passage is located at
Between two plates, it is provided with any one plate in two plates corresponding with the water inlet end of water flow passage and water side
Water inlet and delivery port.
In present embodiment, it can use in a plate side wall and be etched with water flow passage, another plate is flat board
Mode, as shown in Figure 4；It can also need, using water flow passage is all etched in two plate side walls, two plates then to be carried into water
The mode that the one side of stream runner is interlocked, as shown in Figure 5.
Three-dimensional water cooling part 1 in present embodiment is processed into three-dimensional shape by one piece of cooled plate, and the thickness of the cooled plate is
Can in the range of 0.5mm-5mm any value, the thin cooled plate of different-thickness is prepared according to different demands, as 5mm,
4mm, 3.5mm, 3mm, 2.5mm, 2mm, 1mm, 0.5mm, most thin can accomplish 0.5mm, thin plate as well known to those skilled in the art
It is not easy to prepare, if it is possible to successfully prepare most thin plate, then the plate for being thicker than most gauge of sheet is also to make
Standby acquisition.
In present embodiment the width of water flow passage can between 0.1mm-6mm any value, as 3.5mm, 3mm,
2.5mm、2mm、1mm、0.5mm、4mm、5mm、6mm.Consider the sinking degree and flow resistance of runner in process, current
Effect is best during the width 4mm of runner.
The water flow passage of different depth, water flow passage can be designed in present embodiment according to different heat exchange demands
Perpendicular to cooled plate plate face width be the water cooling plate thickness 50%-70%, within the above range can arbitrarily value it is equal
Processing request is disclosure satisfy that, good effect of heat exchange, wherein water flow passage are thick for the plate perpendicular to the width of place plate plate face
Can obtain more preferable heat transfer effect in the range of the 50%-70% of degree during value, and when the depth of water flow passage, i.e., perpendicular to
When the width of place plate plate face is the 70% of the sheet, flow resistance is minimum, and flow velocity is most fast, and heat transfer effect is best.
The shape and design parameter of water flow passage in present embodiment can be designed to according to the use demand of reality
Arbitrary shape, the shape of water flow passage as shown in Fig. 2-9.
Water flow passage in present embodiment is the runner of variable cross-section, and the cooled plate of the present embodiment mode is being processed into solid
It may be related to bending during shape, bending angle be present and be less than 180 ° of bending parts, the folding is passed through in present embodiment
The section increase of the water flow passage of crook, is found through experiments that, section, which increases 1.1 times -1.3 times, can meet to substantially reduce runner
Heat exchange efficiency and the influence of deformation, its middle section 1.3 times of effects of increase are best, and heat exchange efficiency is unaffected.Similar to this practicality
The new this three-dimensional water cooling plant for being integrally machined shaping one piece of plate due to being made up of, plate inner flow passage is interconnected,
It is easy to the problem of runner deforms because of bending occur in bending place, and the water cooling plant that present embodiment provides is thick due to plate
Spend relatively thin, the sectional area of runner is small, and runner is unlikely to deform, impacted smaller, in order to further avoid runner by bending place by shadow
Ring, water flow passage is arranged to the runner of variable cross-section, (can increase what current flowed to by the way of runner is widened in bending place
Section) compensated to realize that cross section of fluid channel accumulates, and pass through rational deployment and reduce the runner for passing through bending part as far as possible.
The material of water cooling part can be aluminium in present embodiment, titanium, copper, the common metal such as stainless steel, and the plate of cooled plate
Piece can be welded between different metal, at the same can also the nonmetallic materials such as ceramics, graphite, or metal with it is nonmetallic it
Between welded.
The design parameter such as the size of cooled plate plate, shape can be according to the solid for being actually subjected to be processed into present embodiment
Depending on the size of the planar development of device.
The position of water inlet and delivery port can be depending on actual operation requirements in the present embodiment mode.
The operation principle of the three-dimensional heat abstractor of present embodiment is the water inlet pump by water from three-dimensional water cooling part 1 by pump
Enter, flowed in water flow passage, by with surrounding air heat transfer, heat is taken away in flow process, water heating, from solid
The delivery port outflow of water cooling part, into the water inlet of radiator, the effect by radiator and fan cools water, after cooling
Water is flowed out from the delivery port of radiator, then flows into the water inlet of pump, and water is pumped into three-dimensional water cooling part again, so circulated by pump
Radiating.
The three-dimensional water cooling part 1 of present embodiment can be processed as follows：According to required size (three-dimensional water cooling
The planar development size of part) cut substrate, it would be desirable to and the plate for etching water flow passage is etched, then by two boards piece
Placement is overlapped mutually, acquisition cooled plate is then fixedly connected by Diffusion Welding, cooled plate is then passed through into thermoplastic shaping
Or cold pressing or bending or roll bending or the mode of punching press are processed into three-dimensional shape；The etching process is first to spray non-runner with ink
Part, the runner section for needing to etch then is exposed, sprayed with 35~42 Baume degrees liquor ferri trichloridis and complete etching process；
The Diffusion Welding is first vacuum to vacuum in below 0.001Pa, is then forced into 0.8MPa-15MPa, finally heated heating
To 500 DEG C -980 DEG C, 10min-180min is incubated.
The more excellent condition of Diffusion Welding is slightly different because plate material is different in present embodiment, specific diffusion welding craft
The specific method that can be provided in the embodiment optimizes acquisition, when tests determined plate material is stainless steel, expands
Dissipating the condition welded is：First vacuum in below 0.001Pa, is then forced into 8MPa-15MPa to vacuum, finally heated to be warming up to
900~980 DEG C, it is incubated 10~120 minutes.When plate material is aluminium alloy, the condition of diffusion welding (DW) is：First vacuum to vacuum exists
Below 0.001Pa, 3.4MPa-5.6MPa is then forced into, it is finally heated to be warming up to 500~560 DEG C, it is incubated 10~90 minutes.
When plate material is titanium alloy, the condition of diffusion welding (DW) is：First vacuum in below 0.001Pa, is then forced into vacuum
0.8MPa-2.4MPa, it is finally heated to be warming up to 850~980 DEG C, it is incubated 50~180 minutes.
In present embodiment by by the condition setting of Diffusion Welding into first vacuum to vacuum in below 0.001Pa, so
After be forced into 0.8MPa-15MPa, it is finally heated to be warming up to 500 DEG C -980 DEG C, be incubated 10min-180min, may be able to ensure that two
When individual plate is connected by diffusion welding (DW), ensure that the plate of no runner is recessed at runner and control in below 0.05mm, avoid
Pressure is excessive to be there is cooled plate cover plate and the phenomenon being recessed occurs, or pressure is too small produces cover plate and not prison welding before runner plate
The phenomenon leaned on.
Thermoplastic shaping technique in present embodiment can use following processing conditions：2- is incubated at 720 DEG C -1180 DEG C
5 minutes, pressurize 2-5 minutes, pressure was set as：Workpiece surface accumulates * (1.5-3) MPa.Thermoplastic shaping technique side in present embodiment
The more excellent condition of method is slightly different because plate material is different, what specific thermoplastic shaping technique can provide in the embodiment
Specific method optimizes acquisition, and when tests determined plate material is TC4 titanium alloys, temperature setting is 720~780 Celsius
Degree, (2-5) minute is incubated, pressurize 2-5 minutes, pressure is set as：Workpiece surface accumulates * (1.5-3) MPa.Plate material is stainless
During steel, temperature setting is 900~1180 degrees Celsius, is incubated (2-5) minute, pressurize 2-5 minutes, pressure is set as：Workpiece surface
Product * (1.5-3) MPa.
Three-dimensional shape is processed into present embodiment in addition to using thermoplastic shaping technique, cold pressing, folding can also be used
The mechanical means such as curved, roll bending, punching press are completed, and below 1mm aluminum and stainless steel material product can also manual bending completions.
In the above-mentioned processing method of present embodiment, after being handled by Diffusion Welding, process of surface treatment can also be used
It is polished, the sheet surface after surface treatment can use grinding and polishing or wire drawing without runner vestige, stainless steel surfaces
Processing, aluminum alloy surface can use anodization, and titanium alloy surface can use metal wire-drawing or anodization.
Stereoscopic device in present embodiment can be processed into the water cooling part of any three-dimensional shape according to demand, it is only necessary to press
Sheet material is cut according to the planar development size of three-dimensional shape, is added by way of thermoplastic shaping or cold pressing or bending or roll bending or punching press
Work is into three-dimensional shape；Such as the casing shape of cylinder or a side opening, as Figure 6-9.
It is specifically described in present embodiment exemplified by being processed into cylinder solid water cooling part (two plates are formed), such as
Fig. 6-8, processed according to following processing method：
1) plate is processed：Cooled plate can choose two pieces of 1mm stainless steel plates as substrate, (three-dimensional according to required size
The planar development size of shape) substrate is cut, the non-runner section of two boards piece is sprayed with ink using metal etch mode,
The runner section for needing to etch is exposed, stainless steel material is sprayed using 40 Baume degrees liquor ferri trichloridis, etch depth
0.5mm,
2) Diffusion Welding：By stainless steel material plate elder generation's vacuum to vacuum in below 0.001Pa, then it is forced into
8MPa, it is finally heated to be warming up to 950 DEG C, 120 minutes are incubated, welding obtains cooled plate, cooled plate integral thickness 2mm；
3) it is surface-treated：Thickness is polished using metal sand ray machine to sheet surface to handle, using 120 mesh abrasive bands,
Adjustment polishing clearance makes the control of equipment operating current be reached in below 15A, each removal amount 0.01mm of positive and negative Circulated polishing, thickness
Stainless steel surfaces are handled using grinding and polishing after to 1.6 millimeters.
4) cooled plate is processed into cylinder by way of thermoplastic shaping：
First workpiece is placed in lower half circle mould in thermoplastic shaping machine, temperature is increased into 1150 degrees Celsius of guarantors
Temperature 3 minutes, surface area * 2MPa is applied pressure to workpiece, it is 21000 newton that pressure, which is calculated,.Pressurize 5 minutes.Take out work
Part naturally cools to room temperature, then workpiece is placed in upper semi-circle mould in thermoplastic shaping machine, and temperature is increased to
1150 degrees Celsius are incubated 3 minutes, and surface area * 2MPa are applied pressure to workpiece, and it is 21000 newton that pressure, which is calculated, pressurize 5
Minute.
The planar development size for the three-dimensional water cooling part that above-mentioned processing method obtains is 70mm × 150mm, and water cooling plate thickness is
1.6mm, two boards piece are etched with water flow passage, the water flow passage size on every block of plate：Depth 0.5mm × width 4mm.Implement
Mode two
Illustrate present embodiment, a kind of three-dimensional heat abstractor of present embodiment with reference to Fig. 8-14, the device includes solid
Water cooling part 1, pump 2, air-cooled radiator 3 and fan 4；Wherein：Three-dimensional water cooling part 1 is processed into three-dimensional shape by one piece of cooled plate；It is vertical
The water inlet of body water cooling part 1 is connected with the delivery port of pump 2；The delivery port of three-dimensional water cooling part 1 and the water inlet phase of air-cooled radiator 3
Even；The delivery port of air-cooled radiator 3 is connected with the water inlet of pump 2；Fan 4 is connected with air-cooled radiator 3.
Three-dimensional water cooling part in present embodiment uses following structure (three ply board piece)：The cooled plate is by three pieces of plate phases
Mutually it is superimposed and is achieved a fixed connection by diffusion welding (DW), wherein being provided with the water flow passage of hollow out on middle plate, is located at
Water inlet corresponding with the water inlet end of water flow passage and water side and water outlet are provided with the plate of both sides on any one plate
Mouthful.
The water flow passage of hollow out in present embodiment can be by wire cutting or laser cutting or plasma cut
Formed, wherein wire cutting is more preferable, because wire cutting mode dimensional accuracy is higher, up to 0.02mm, cut surface does not produce
Scrap, plate deflection are small.
Three-dimensional water cooling part 1 in present embodiment is processed into three-dimensional shape by one piece of cooled plate, and the thickness of the cooled plate is
Can in the range of 0.5mm-5mm any value, the thin cooled plate of different-thickness is prepared according to different demands, as 5mm,
4mm, 3.5mm, 3mm, 2.5mm, 2mm, 1mm, 0.5mm, most thin can accomplish 0.5mm, thin plate as well known to those skilled in the art
It is not easy to prepare, if it is possible to successfully prepare most thin plate, then the plate for being thicker than most gauge of sheet is also to make
Standby acquisition.
In present embodiment the width of water flow passage can between 0.1mm-6mm any value, as 3.5mm, 3mm,
2.5mm、2mm、1mm、0.5mm、4mm、5mm、6mm.Consider the sinking degree and flow resistance of runner in process, current
Effect is best during the width 4mm of runner.
Water flow passage in present embodiment can be in the water cooling plate thickness perpendicular to the width of cooled plate plate face
Any value in the range of 50%-70%, the water flow passage of different depth can be designed according to different heat exchange demands, wherein working as water
The depth of runner is flowed, i.e., water flow passage is perpendicular to the width of cooled plate plate face, and when being the 70% of the water cooling plate thickness, flow resistance is most
Small, flow velocity is most fast, and heat transfer effect is best.
The shape and design parameter of water flow passage in present embodiment can be designed to according to the use demand of reality
Arbitrary shape, the shape of water flow passage as shown in Figure 10-15.
Water flow passage in present embodiment is the runner of variable cross-section, and the cooled plate of the present embodiment mode is being processed into solid
It can be related to bending during shape, can have bending angle and be less than 180 ° of bending parts, the bending is passed through in present embodiment
The section increase of the water flow passage at place, is found through experiments that, section, which increases 1.1 times -1.3 times, can meet that substantially reducing runner changes
The thermal efficiency and the influence of deformation, its middle section 1.3 times of effects of increase are best, and heat exchange efficiency is unaffected.It is new similar to this practicality
This three-dimensional water cooling plant for being integrally machined shaping of type one piece of plate due to being made up of, plate inner flow passage is interconnected,
Bending place is easy to the problem of runner deforms because of bending occur, and the water cooling plant that present embodiment provides is due to sheet
Relatively thin, the sectional area of runner is small, and runner is unlikely to deform, impacted smaller, in order to further avoid runner impacted by bending place,
Water flow passage is arranged to the runner of variable cross-section, bending place can by the way of runner is widened (increase current flow to cut
Face) compensated to realize that cross section of fluid channel accumulates, and pass through rational deployment and reduce the runner for passing through bending part as far as possible.
The material of water cooling part can be aluminium in present embodiment, titanium, copper, the common metal such as stainless steel, and the plate of cooled plate
Piece can be welded between different metal, at the same can also the nonmetallic materials such as ceramics, graphite, or metal with it is nonmetallic it
Between welded.
The design parameter such as the size of cooled plate plate, shape can be according to the solid for being actually subjected to be processed into present embodiment
Depending on the size of the planar development of device.
The position of water inlet and delivery port can be depending on actual operation requirements in the present embodiment mode.
The operation principle of the three-dimensional heat abstractor of present embodiment is the water inlet pump by water from three-dimensional water cooling part 1 by pump
Enter, flowed in water flow passage, by with surrounding air heat transfer, heat is taken away in flow process, water heating, from solid
The delivery port outflow of water cooling part, into the water inlet of radiator, the effect by radiator and fan cools water, after cooling
Water is flowed out from the delivery port of radiator, then flows into the water inlet of pump, and water is pumped into three-dimensional water cooling part again, so circulated by pump
Radiating.
The processing method of the three-dimensional water cooling plant (three blocks of plates) of present embodiment can be processed as follows：Press
Substrate is cut according to required size (the planar development size of three-dimensional water cooling part), shape is cut on the plate for needing water flow cutting runner
Into water flow passage, three pieces of plates are then overlapped mutually placement, then the plate provided with water flow passage passes through diffusion positioned at centre
Welding is fixedly connected acquisition cooled plate, and cooled plate then is passed through into thermoplastic shaping or cold pressing or bending or roll bending or punching press
Mode is processed into three-dimensional shape；The Diffusion Welding is first vacuum to vacuum in below 0.001Pa, is then forced into
0.8MPa-15MPa, it is finally heated to be warming up to 500 DEG C -980 DEG C, it is incubated 10min-180min.
In the present embodiment mode cutting can use be cut by laser or wire cutting or plasma cut by the way of, wherein laser
The condition of cutting can use：0.5~2 kilowatt of laser power, 0.3~0.8 MPa of atmospheric pressure of protection, control feed speed 3~
5cm/s。
The more excellent condition of Diffusion Welding is slightly different because plate material is different in present embodiment, specific diffusion welding craft
The specific method that can be provided in the embodiment optimizes acquisition, when tests determined plate material is stainless steel, expands
Dissipating the condition welded is：First vacuum in below 0.001Pa, is then forced into 8MPa-15MPa to vacuum, finally heated to be warming up to
900~980 DEG C, it is incubated 10~120 minutes.When plate material is aluminium alloy, the condition of diffusion welding (DW) is：First vacuum to vacuum exists
Below 0.001Pa, 3.4MPa-5.6MPa is then forced into, it is finally heated to be warming up to 500~560 DEG C, it is incubated 10~90 minutes.
When plate material is titanium alloy, the condition of diffusion welding (DW) is：First vacuum in below 0.001Pa, is then forced into vacuum
0.8MPa-2.4MPa, it is finally heated to be warming up to 850~980 DEG C, it is incubated 50~180 minutes.
In present embodiment by by the condition setting of Diffusion Welding into first vacuum to vacuum in below 0.001Pa, so
After be forced into 0.8MPa-15MPa, it is finally heated to be warming up to 500 DEG C -980 DEG C, be incubated 10min-180min, may be able to ensure that two
When individual plate is connected by diffusion welding (DW), ensure that the plate of no runner is recessed at runner and control in below 0.05mm, avoid
Pressure is excessive to be there is cooled plate cover plate and the phenomenon being recessed occurs, or pressure is too small produces cover plate and not prison welding before runner plate
The phenomenon leaned on.
Three-dimensional part in present embodiment can be processed into the water cooling plant of any three-dimensional shape according to demand, it is only necessary to press
Sheet material is cut according to the planar development size of three-dimensional shape, then passes through thermoplastic shaping or cold pressing or bending or the side of roll bending or punching press
Formula is processed into three-dimensional shape, such as the casing shape of cylinder or a side opening.
Thermoplastic shaping technique in present embodiment can use following processing conditions：2- is incubated at 720 DEG C -1180 DEG C
5 minutes, pressurize 2-5 minutes, pressure was set as：Workpiece surface accumulates * (1.5-3) MPa.Thermoplastic shaping technique side in present embodiment
The more excellent condition of method is slightly different because plate material is different, what specific thermoplastic shaping technique can provide in the embodiment
Specific method optimizes acquisition, and when tests determined plate material is TC4 titanium alloys, temperature setting is 720~780 Celsius
Degree, (2-5) minute is incubated, pressurize 2-5 minutes, pressure is set as：Workpiece surface accumulates * (1.5-3) MPa.Plate material is stainless
During steel, temperature setting is 900~1180 degrees Celsius, is incubated (2-5) minute, pressurize 2-5 minutes, pressure is set as：Workpiece surface
Product * (1.5-3) MPa.
Three-dimensional shape is processed into present embodiment in addition to using thermoplastic shaping technique, cold pressing, folding can also be used
The mechanical means such as curved, roll bending, punching press are completed, and below 1mm aluminum and stainless steel material product can also manual bending completions.
In the above-mentioned processing method of present embodiment, after being handled by Diffusion Welding, process of surface treatment can also be used
It is polished, the sheet surface after surface treatment can use grinding and polishing or wire drawing without runner vestige, stainless steel surfaces
Processing, aluminum alloy surface can use anodization, and titanium alloy surface can use metal wire-drawing or anodization.
The casing shape solid water cooling part (three plates form) of a side opening is processed into present embodiment, such as Fig. 9-15,
It can be processed according to following processing method：
1) plate is processed：Cooled plate can choose 0.5mmTC4 titanium alloys plate as substrate, (three-dimensional according to required size
The planar development size of structure) substrate is cut, by the way of laser cutting, 1 kilowatt of laser power is controlled, protects atmospheric pressure
0.4 MPa, control feed speed 4cm/s.Another two boards piece is chosen and imported and exported corresponding to the cutting of 0.3mm stainless steel plates；
2) Diffusion Welding：By TC4 titanium alloy plates elder generation's vacuum to vacuum in below 0.001Pa, 2MPa is then forced into,
It is finally heated to be warming up to 950 DEG C, 120 minutes are incubated, integral thickness 1.1mm after welding；
3) it is surface-treated：Thickness is polished using metal sand ray machine to sheet surface to handle, using 120 mesh abrasive bands,
Adjustment polishing clearance makes the control of equipment operating current be reached in below 15A, each removal amount 0.01mm of positive and negative Circulated polishing, thickness
Stainless steel surfaces are handled using grinding and polishing after to 1 millimeter.
4) by cooled plate by way of thermoplastic shaping by by 90 ° of casing shapes for being processed into a side opening of four sides bending：
First workpiece is placed in rectangular forming die in thermoplastic shaping machine, temperature is increased into 750 degrees Celsius of guarantors
Temperature 3 minutes, surface area * 2MPa is applied pressure to workpiece, it is 31000 newton that pressure, which is calculated,.Pressurize 5 minutes.
The size for the three-dimensional water cooling part that above-mentioned processing method obtains is：The high 50mm of the long wide 50mm* of 70mm*, among cooled plate
Plate is cut with water flow passage, and the thickness of cooled plate is 1mm, water flow passage size：Depth 0.5mm × width 4mm.
Device in present embodiment can also be added by thermoplastic shaping or the mode such as cold pressing or bending or roll bending or punching press
Three-dimensional water cooling plant of the work into cylinder.
Although the utility model is disclosed as above with preferred embodiment, it is not limited to the utility model, appoints
What person skilled in the art, is not departing from spirit and scope of the present utility model, can do various changes and modification, therefore
What the scope of protection of the utility model should be defined by claims is defined.
Claims (10)
- A kind of 1. three-dimensional heat abstractor, it is characterised in that including three-dimensional water cooling part (1), pump (2) and radiator (3)；Wherein：Institute State three-dimensional water cooling part (1) and three-dimensional shape is processed into by one piece of cooled plate；The water inlet of the three-dimensional water cooling part (1) and pump (2) Delivery port is connected；The delivery port of the three-dimensional water cooling part (1) is connected with the water inlet of radiator (3)；Radiator (3) go out The mouth of a river is connected with the water inlet of pump (2).
- 2. device according to claim 1, it is characterised in that the thickness of the cooled plate is 0.5mm-4mm.
- 3. device according to claim 1, it is characterised in that be provided with fan (4) outside the radiator (3).
- 4. device according to claim 1, it is characterised in that the cooled plate is overlapped mutually by two boards piece and passes through expansion Scattered weldering is achieved a fixed connection, and water flow passage is etched with wherein at least one plate side wall, and the water flow passage is located at two plates Between piece, be provided with any one plate in described two plates it is corresponding with the water inlet end of water flow passage and water side enter The mouth of a river and delivery port.
- 5. device according to claim 1, it is characterised in that the cooled plate is overlapped mutually by three pieces of plates and passes through expansion Scattered weldering achieves a fixed connection, wherein being provided with the water flow passage of hollow out on middle plate, appoints in the plate of both sides Corresponding with the water inlet end of water flow passage and water side water inlet and delivery port are provided with one plate of meaning.
- 6. the device according to claim 4 or 5, it is characterised in that width of the water flow passage perpendicular to cooled plate plate face Spend for the 50%-70% of the water cooling plate thickness；Width of the water flow passage along cooled plate board direction is 0.1mm-6mm.
- 7. device according to claim 5, it is characterised in that the water flow passage of the hollow out is by wire cutting or swashed What light cutting or plasma cut were formed.
- 8. device according to claim 1, it is characterised in that the three-dimensional water cooling part (1) is cylinder or a side opening Casing.
- 9. the device according to claim 4 or 5, it is characterised in that the water flow passage be variable cross-section runner, the dress There is bending angle to be less than 180 ° of bending parts in the three-dimensional shape put, through the section increase of the water flow passage of the bending part.
- 10. device according to claim 9, it is characterised in that section increases 1.1 times -1.3 times.
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| CN201720846550.4U CN207219258U (en) | 2017-07-13 | 2017-07-13 | A kind of three-dimensional heat abstractor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110636741A (en) * | 2018-06-22 | 2019-12-31 | 世倍特集团有限责任公司 | Device having a housing and power electronics arranged therein on the bottom of the housing |
| CN113133270A (en) * | 2020-01-14 | 2021-07-16 | 航天海鹰(哈尔滨)钛业有限公司 | Confined space forced cooling system based on special-shaped diffusion welding water-cooling plate |
-
2017
- 2017-07-13 CN CN201720846550.4U patent/CN207219258U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110636741A (en) * | 2018-06-22 | 2019-12-31 | 世倍特集团有限责任公司 | Device having a housing and power electronics arranged therein on the bottom of the housing |
| CN113133270A (en) * | 2020-01-14 | 2021-07-16 | 航天海鹰(哈尔滨)钛业有限公司 | Confined space forced cooling system based on special-shaped diffusion welding water-cooling plate |
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