CN206274227U - A kind of micro-channel heat exchanger with many stream interconnection architectures - Google Patents
A kind of micro-channel heat exchanger with many stream interconnection architectures Download PDFInfo
- Publication number
- CN206274227U CN206274227U CN201621349617.5U CN201621349617U CN206274227U CN 206274227 U CN206274227 U CN 206274227U CN 201621349617 U CN201621349617 U CN 201621349617U CN 206274227 U CN206274227 U CN 206274227U
- Authority
- CN
- China
- Prior art keywords
- curved fins
- micro
- slit
- heat exchanger
- many stream
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model provides a kind of micro-channel heat exchanger with many stream interconnection architectures, including a metallic micro channel matrix, the matrix is provided with the opening circular ring structure of several parallel arrangements, array distribution in coolant flow direction, two section of second curved fins of its four section of first curved fins for including outside circumferentially uniform intervals arrangement and internal symmetry arrangement, so as to form the big opening annulus and small opening annulus of nested setting.Big opening annulus along it is parallel, formed respectively in coolant flow direction before and after, each two slits up and down, small opening annulus forms many stream interconnecting channels on edge parallel to former and later two slits, above-mentioned slit is formed in coolant flow direction.
Description
Technical field
The utility model is related to a kind of micro-channel heat exchanger and its manufacture method, more particularly to a kind of to have many streams mutual
Connection micro-channel heat exchanger.
Background technology
With the fast development of microelectronics industry, various Related products direction integrated towards speed-altitude and miniaturization
Development, during highdensity integrated circuit operation, if the heat of generation is not taken away in time, the rising of temperature will certainly shadow
Ring normal.Be ensure the reliable and stable work of microelectronic product, it is desirable to heat exchanger have small volume, it is lightweight, be suitable for compact
Encapsulation, the features such as heat dispersion is high, micro-channel heat exchanger arises at the historic moment.Traditional micro-channel heat exchanger be mainly using metal or
Silicon, with cover plate coupling package into coolant fluid channel, is connected with the external world and forms coolant circuit as substrate；By microchannel
The coolant of interior flowing takes away the heat of electronic component generation, so as to realize the purpose of cooling electronic component.Current is micro-
Channel heat exchanger structure is mainly the MCA such as the rectangle of parallel arrangement, triangle, trapezoidal.These traditional forms it is parallel
Microchannel, after fluid enters parallel microchannels, while carrying out the development of flow boundary layer and thermal boundary layer.When thermal boundary layer also
Not up to fully developed zone domain, heat transfer coefficient is all than larger, and heat transfer property is relatively good, but with the expansion of flowing, heat transfer system
Number is rapid to be declined, and so as to cause obvious heat transfer property reduction, enhanced heat exchange effect is extremely limited.Additionally, these traditional forms
Parallel microchannels structure due to flow channel cross-section product it is consistent along flow direction, when two-phase seethes with excitement to form bubble, in causing passage
Between pressure it is big, drive bubble toward stream flow upstream, generation is backflowed phenomenon, so as to cause serious boiling instability to be asked
Topic, the serious harm stable operation of micro-channel heat exchanger.
Utility model content
Main purpose of the present utility model is the above-mentioned deficiency for overcoming existing micro-channel heat exchanger, there is provided one kind has many
The micro-channel heat exchanger of stream interconnection architecture, notable augmentation of heat transfer.The utility model also provides a kind of process is simple, equipment requirement
The manufacture method that micro-channel heat exchanger is interconnected with many streams low, with low cost.
In order to solve above-mentioned technical problem, the utility model provides a kind of microchannel with many stream interconnection architectures
Heat exchanger, including a metallic micro channel matrix, described matrix set on along coolant flow direction several parallel arrangements,
The opening circular ring structure of array distribution；
It is described opening circular ring structure it is parallel, in coolant flow direction to present claim distribution；Each is opened
Mouth circular ring structure is included uniformly circumferentially to spaced apart four section of first curved fins, and is arranged on four section of first arc
Two section of second curved fins being circumferentially arranged symmetrically to interval inside fin；So as to form the big opening circle of nested setting
Ring and small opening annulus；
The small opening annulus is on edge parallel to forming former and later two slits in coolant flow direction；The big opening circle
Ring along it is parallel, formed respectively in coolant flow direction before and after, each two slits up and down；
Width of the width of slit more than upper and lower slit before and after described four section first of outside curved fins so that coolant
The preferential front and rear slit for converging at the first curved fins, longitudinal flow path channel is formed by the front and rear slit of the second curved fins；
Small part coolant is flowed out along the slit up and down of the first curved fins, and the slit up and down with adjacent apertures circular ring structure is mutually interconnected
It is logical, so as to form many stream interconnecting channels on the matrix；Many stream interconnecting channels carry out battle array on the surface of matrix
Row arrangement, so as to form MCA.
In a preferred embodiment：There is width between the big opening annulus and small opening annulus is 0.2-0.5mm's
Arcuate slots.
In a preferred embodiment：The thickness of second curved fins is 0.2-1mm；The thickness of first curved fins
It is 0.2-1mm to spend；
In a preferred embodiment：The front and rear slit width that four section of first curved fins are formed is 0.5-0.8mm, on
Lower slit width is 0.2-0.4mm.
In a preferred embodiment：Described each opening circular ring structure is divided into along coolant flow direction and being symmetrical arranged
The first half and lower half, the lower portion in the first half in the circular ring structure of previous column opening and next column opening circular ring structure
In concordant arrangement.
In a preferred embodiment：Described each opening circular ring structure is divided into along coolant flow direction and being symmetrical arranged
The first half and lower half, the upper portion in the first half in the circular ring structure of previous column opening and next column opening circular ring structure
In concordant arrangement.
The utility model additionally provides a kind of micro-channel heat exchanger manufacture method with many stream interconnection architectures, comprising with
Lower step：
1) one piece of metallic matrix is filtered out, deburring treatment is carried out to its surface；
2) metallic matrix fixture is fixed on laser milling workbench, it is to be processed to matrix using lever indicator
Smoothed on surface；Shape and size according to the MCA are drawn Laser Processing path and set laser in software
The output parameter of processing；
3) workpiece is removed, the metallic matrix after processing is cleaned, obtain many stream MCAs；
4) many stream MCA heat resistant glasses encapsulation that will be obtained, and connect into one with outside adapter and water pump
Individual entirety, completes working medium circulation loop, obtains complete micro-channel heat exchanger.
In a preferred embodiment：The metallic matrix is copper base or aluminium base or stainless steel substrate or silicon carbide-based
Plate.
Compared with prior art, the technical solution of the utility model mutually has advantages below:
1. there is the micro-channel heat exchanger of many stream interconnection architectures, opening circular ring structure increased disclosed in the utility model
With the contact area of fluid, heat transfer area is increased, realize enhanced heat exchange.Additionally, coolant longitudinal flow is to opening annulus knot
During structure, three streams are divided into by a stream, and are communicated laterally, so as to change the proper flow of coolant,
Break flow boundary layer so that coolant is constantly in the thermally developing stage in microchannel, further enhances heat transfer effect；
2. there is the micro-channel heat exchanger of many stream interconnection architectures, when two-phase is seethed with excitement, multithread disclosed in the utility model
Road interconnection architecture effectively increases the flow path of bubble, reduces the pressure of bubble generation, so as to suppress phenomenon of backflowing, has
Effect solves the problems, such as the instability that seethes with excitement.
3. the disclosed micro-channel heat exchanger with many stream interconnection architectures of the utility model, is processed using laser milling
Manufacture method is processed on the metallic substrate, without complicated manufacturing process and equipment, low production cost, process is simple,
Easily realize industrialized production.
Brief description of the drawings
Fig. 1 is the structural representation of the microchannel with many stream interconnection architectures in the utility model preferred embodiment 1；
Fig. 2 is the schematic diagram of Fig. 1 split shed circular ring structures；
Fig. 3 is the operation principle schematic diagram of coolant flow in Fig. 1；
Fig. 4 is the schematic diagram of many streams interconnection microchannels of laser milling processing in the utility model preferred embodiment 1；
Fig. 5 is many streams interconnection microchannel SEM figures of gained after being laser machined in the utility model preferred embodiment 1；
Fig. 6 is the micro-channel heat exchanger schematic diagram after being encapsulated in the utility model preferred embodiment 1；
Fig. 7 is the structural representation of the microchannel with many stream interconnection architectures in the utility model preferred embodiment 2.
Specific embodiment
The utility model is described further below in conjunction with the drawings and specific embodiments.
Embodiment 1：
A kind of micro-channel heat exchanger with many stream interconnection architectures, including a metallic micro channel matrix 1, as shown in figure 1,
It is characterized in that:It is including the opening circular ring structure 2 of some parallel arrangements, array distribution in coolant flow direction；
It is described opening circular ring structure as shown in Fig. 2 its it is parallel, in coolant flow direction it is symmetrical；
Each opening circular ring structure 2 is included uniformly circumferentially to spaced apart four section of first curved fins 21, and is arranged on
Two section of second curved fins 22 being circumferentially arranged symmetrically to interval inside four section of first curved fins 21；It is embedding so as to form
Cover the big opening annulus and small opening annulus for setting；
Four sections of outside curved fins 21 along it is parallel, in coolant flow direction form former and later two respectively
Slit 25,26 and upper and lower two slits 27,28.
The width of the front and rear slit 25,26 that described four section first of outside curved fins 21 are formed descends greatly slit thereon
27th, 28 width.In the present embodiment, front and rear slit 25,26 width are 0.5-0.8mm, and upper and lower slit 27,28 width are 0.2-
0.4mm.So that coolant preferentially converges at outside four sections of front and rear slits of curved fins 21 25 and 26, arranged by internal symmetry
The front and rear slit 23 and 24 of two section of second curved fins 22 form many flow path channels；Small part coolant is along the first curved fins
Slit up and down 27 and 28 flow out, be interconnected with the slit up and down 27 and 28 of adjacent apertures circular ring structure, so as in the base
Many stream interconnecting channels are formed on body 1；Many stream interconnecting channels carry out array arrangement on the surface of matrix 1, so that shape
MCA shown in Fig. 1.
There is width between big opening annulus and small opening annulus in the present embodiment, in the opening circular ring structure 2 is
The arcuate slots 29 of 0.2-0.5mm.
The thickness of second curved fins 22 is 0.2-1mm；The thickness of first curved fins 21 is 0.2-1mm；
In the present embodiment, the arrangement mode of the circular ring structure 2 that is open is：Each opening circular ring structure 2 is along coolant stream
Dynamic direction is divided into the symmetrically arranged first half and lower half, the first half in previous column opening circular ring structure 2 and next column opening
Concordantly arrange lower half in circular ring structure 2.Microchannel is interconnected so as to form the staggered many streams shown in Fig. 1.
Therefore, the operation principle of the coolant flow of the above-mentioned micro-channel heat exchanger with many stream interconnection architectures is as schemed
Shown in 3, coolant flow direction is represented using arrow.When coolant flows through opening circular ring structure 2, coolant is by preceding slit
25 flow into, and flow direction one dividing into three a, part flows into the preceding slit 23 that the second curved fins are formed, and slit 24 flows after
Go out.Another two parts symmetrically flow into the arcuate slots 29 formed between the first curved fins 21, the second curved fins 22, and are being close to
It is divided into two again during slit up and down 27,28 of the first curved fins, arcuately slit 29, rear slit 26 flow out for part continuation；
Another part flows out respectively along upper and lower slit 27,28, and the coolant that this part is flowed out through upper and lower slit 27,28 with it is adjacent
Opening circular ring structure 2 slit up and down 27,28 outflow liquid joint, along longitudinal direction continue flow.Due to opening circular ring structure 2
Between be laterally interconnected, change the proper flow of coolant, break flow boundary layer, from cause coolant in microchannel
The thermally developing stage is constantly in, and enhances heat transfer effect；When two-phase is seethed with excitement, many stream interconnection architectures effectively increase gas
The flow path of bubble, reduces the pressure of bubble generation, so as to suppress phenomenon of backflowing, effectively solves the problems, such as the instability that seethes with excitement.
Above-mentioned micro-channel heat exchanger manufacture method, comprises the following steps：
1) the red copper substrate of block length a 45mm, 20mm wide, thick 2mm is taken as microchannel matrix, and unhairing is carried out to its surface
Thorn treatment；
2) metallic matrix 1 is fixed on laser milling workbench with fixture, it is to be processed to matrix using lever indicator
Surface smoothed；Laser is opened, as shown in figure 4, the position of adjustment laser beam 6 and matrix 1, passes through laser beam 6
Focused on after over-focusing lens 5 in metallic matrix 1 on the bottom surface of microchannel, form the laser facula 4 after focusing on, adjustment laser
Protection valve 7, aoxidizes when preventing laser to be processed the surface of matrix 1；Drawn Laser Processing path is simultaneously in software
The output parameter for setting laser is set to：Laser power is 20W, and sweep speed is 180mm/s, and scanning times are 10 times, are taken
It is 80% to connect rate.Setting starts to be processed the bottom surface of metallic matrix 1 after finishing, and laser facula 4 is on default machining path
Shuttle-scanning and layered milling, the depth per one layer of scanning machining is 10-20 μm, is machined to stop processing during 1mm depth.
3) matrix 1 that MCA is interconnected with many streams is removed, microchannel sample after processing is carried out using alcohol
Ultrasonic wave is cleaned about 1 hour, is then cleaned about 0.5 hour using deionized water ultrasonic wave, fully in the removal structure of microchannel 1
Greasy dirt and oxide skin, obtain the final matrix 1 that MCA is interconnected with many streams, and its microexamination SEM is schemed such as Fig. 5 institutes
Show.
4) matrix 1 that will obtain many stream interconnection MCAs matches with heat resistant glass 8, by mechanical anchoring methods reality
The lower surface of existing heat resistant glass 4 is brought into close contact with the upper surface of the matrix 1 with micro channel array, realizes the envelope of micro channel array
Dress envelope, and an entirety is connected into outside adapter and water pump, working medium circulation loop is completed, obtain complete Thermal Performance of Micro Channels
Device system (Fig. 6).
Embodiment 2：
A kind of micro-channel heat exchanger with many stream interconnection architectures, including a metallic micro channel matrix 3, as shown in Figure 7.
With embodiment 1 only difference is that, described each opening circular ring structure 2 is divided into along coolant flow direction and being symmetrical arranged
The first half and lower half, the first half in the first half in previous column opening circular ring structure 2 and next column opening circular ring structure 2
Concordant arrangement, so as to form many stream interconnection microchannels of noninterlace type shown in Fig. 7.Remaining feature is identical with implementing 1.
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is defined by scope of the claims.
Claims (4)
1. a kind of micro-channel heat exchanger with many stream interconnection architectures, an including metallic micro channel matrix, it is characterised in that:Institute
State the opening circular ring structure that matrix sets several parallel arrangements, array distribution on along coolant flow direction；
The opening circular ring structure it is parallel, in coolant flow direction be presented symmetrical；Each open circles
Ring structure includes four section of first curved fins circumferentially arranged to uniform intervals, and is arranged on four section of first curved fins
Two section of second curved fins that inside is circumferentially arranged symmetrically to interval；So as to form nested setting big opening annulus and
Small opening annulus；
The small opening annulus is on edge parallel to forming former and later two slits in coolant flow direction；The big opening annulus exists
Along it is parallel, formed respectively in coolant flow direction before and after, each two slits up and down；
Width of the width of slit more than upper and lower slit before and after described four section first of outside curved fins so that coolant is preferential
The front and rear slit of the first curved fins is converged at, longitudinal flow path channel is formed by the front and rear slit of the second curved fins；Few portion
Coolant is divided to be flowed out along the slit up and down of the first curved fins, the slit up and down with adjacent apertures circular ring structure is interconnected, from
And many stream interconnecting channels are formed on the matrix；Many stream interconnecting channels carry out array row on the surface of matrix
Cloth, so as to form MCA.
2. a kind of micro-channel heat exchanger with many stream interconnection architectures according to claim 1, it is characterised in that：It is described
There are the arcuate slots that width is 0.2-0.5mm between big opening annulus and small opening annulus.
3. a kind of micro-channel heat exchanger with many stream interconnection architectures according to claim 1, it is characterised in that：It is described
The thickness of the second curved fins is 0.2-1mm；The thickness of first curved fins is 0.2-1mm.
4. a kind of micro-channel heat exchanger with many stream interconnection architectures according to claim 1, it is characterised in that：It is described
The front and rear slit width of four section of first curved fins formation is 0.5-0.8mm, and upper and lower slit width is 0.2-0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621349617.5U CN206274227U (en) | 2016-12-09 | 2016-12-09 | A kind of micro-channel heat exchanger with many stream interconnection architectures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621349617.5U CN206274227U (en) | 2016-12-09 | 2016-12-09 | A kind of micro-channel heat exchanger with many stream interconnection architectures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206274227U true CN206274227U (en) | 2017-06-23 |
Family
ID=59062524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621349617.5U Withdrawn - After Issue CN206274227U (en) | 2016-12-09 | 2016-12-09 | A kind of micro-channel heat exchanger with many stream interconnection architectures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206274227U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705713A (en) * | 2016-12-09 | 2017-05-24 | 厦门大学 | Micro-channel heat exchanger with multiple flow path interconnection structures and method for manufacturing micro-channel heat exchanger |
| CN111336843A (en) * | 2019-12-25 | 2020-06-26 | 山东大学 | Water-cooling plate heat exchanger with circular structure |
| CN114713928A (en) * | 2022-03-04 | 2022-07-08 | 湘潭大学 | Connecting method of fin segmented special-shaped carbon/carbon and metal composite heat dissipation long pipe |
-
2016
- 2016-12-09 CN CN201621349617.5U patent/CN206274227U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705713A (en) * | 2016-12-09 | 2017-05-24 | 厦门大学 | Micro-channel heat exchanger with multiple flow path interconnection structures and method for manufacturing micro-channel heat exchanger |
| CN106705713B (en) * | 2016-12-09 | 2019-04-26 | 厦门大学 | A kind of micro-channel heat exchanger and its manufacturing method with multithread road interconnection architecture |
| CN111336843A (en) * | 2019-12-25 | 2020-06-26 | 山东大学 | Water-cooling plate heat exchanger with circular structure |
| CN111336843B (en) * | 2019-12-25 | 2021-01-29 | 山东大学 | Water-cooling plate heat exchanger with circular structure |
| CN114713928A (en) * | 2022-03-04 | 2022-07-08 | 湘潭大学 | Connecting method of fin segmented special-shaped carbon/carbon and metal composite heat dissipation long pipe |
| CN114713928B (en) * | 2022-03-04 | 2023-04-25 | 湘潭大学 | Connection method of special-shaped carbon/carbon and metal composite heat dissipation long tube with segmented fins |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106705713B (en) | A kind of micro-channel heat exchanger and its manufacturing method with multithread road interconnection architecture | |
| CN206274227U (en) | A kind of micro-channel heat exchanger with many stream interconnection architectures | |
| CN105880956A (en) | Microchannel heat exchanger with porous bottom face of micro-pore structures and manufacturing method of microchannel heat exchanger | |
| CN111446221A (en) | Low-flow-resistance chip embedded array micro-jet radiator and manufacturing method thereof | |
| CN201383909Y (en) | Micro-channel cold plate device for liquid cooling radiator | |
| CN107275297B (en) | A kind of microfluid heat dissipation channel, heat dissipating method and preparation method | |
| CN105814685B (en) | Semiconductor module cooler and its manufacturing method | |
| CN204668711U (en) | A kind of laser 3D prints microchannel water-cooled speculum | |
| CN105698563A (en) | Microchannel heat exchanger with shunting-converging structure and manufacturing method of microchannel heat exchanger | |
| CN205684974U (en) | A kind of micro-channel heat exchanger with micro hole structure porous bottom surface | |
| CN108321135B (en) | A kind of columnar chip enhanced boiling heat transfer micro-structure of combined type and its manufacturing method | |
| CN207214880U (en) | A kind of ultra-thin soaking plate structure | |
| CN108461460A (en) | A kind of two-phase laminated flow micro-channel heat sink | |
| CN102623889B (en) | Method for preparing liquid refrigerator applied to semiconductor laser and refrigerating device thereof | |
| CN112435976B (en) | Ultralow flow resistance micro-channel radiator based on bionic fractal structure and manufacturing method thereof | |
| CN106440898A (en) | Flat heat pipe composited groove type fluid suction core and preparation method thereof | |
| CN214173063U (en) | 0.1-0.4mm ultrathin VC with optimized partition structure and function | |
| CN102798308A (en) | Micro-channel radiator and micro-channel processing method | |
| CN109719206B (en) | Bimetal microchannel extrusion compounding and forming integrated device and method | |
| CN103047893A (en) | Micro cone tower array heat exchanging plate and manufacture method thereof | |
| JP6198239B2 (en) | Metal fine particle production apparatus and metal fine particle production method | |
| CN206177110U (en) | Vapor chamber | |
| TWM609258U (en) | Heat sink for semiconductor device | |
| CN100370659C (en) | Micro-channel heat sink structure for semiconductor laser head pumping source and preparing method thereof | |
| CN108895873B (en) | Metal micro-flow heat exchanger based on UV-LIGA technology and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170623 Effective date of abandoning: 20190426 |
|
| AV01 | Patent right actively abandoned |