CN106332529A - Corrugated tube type micro-circulation radiator and micro-circulation heat exchange system - Google Patents

Corrugated tube type micro-circulation radiator and micro-circulation heat exchange system Download PDF

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Publication number
CN106332529A
CN106332529A CN201610908134.2A CN201610908134A CN106332529A CN 106332529 A CN106332529 A CN 106332529A CN 201610908134 A CN201610908134 A CN 201610908134A CN 106332529 A CN106332529 A CN 106332529A
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CN
China
Prior art keywords
radiator
microcirculation
micro
corrugated tube
tube type
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Granted
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CN201610908134.2A
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Chinese (zh)
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CN106332529B (en
Inventor
孔丽君
李建涛
宗庆贺
谷利亚
任智达
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CRRC Dalian Institute Co Ltd
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CRRC Dalian Institute Co Ltd
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20336Heat pipes, e.g. wicks or capillary pumps
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20172Fan mounting or fan specifications
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body

Abstract

The invention discloses a corrugated tube type micro-circulation radiator and a micro-circulation heat exchange system, comprising a heat source module mounting plate, a radiator mounting plate and a plurality of micro-circulation radiator modules, wherein the heat source module mounting plate and the radiator mounting plate are mutually fixed; a main working medium cavity for accommodating working mediums forms in the heat source module mounting plate; secondary working cavities form in all micro-circulation radiator module; the secondary working cavities are connected with the main working medium cavity; radiating fins are arranged on the outer walls of the micro-circulation radiator modules; a main fluid absorption micro-channel with a capillary structure is arranged on the inner wall of the main working medium cavity; secondary fluid absorption channels with the capillary structure are arranged on the micro-circulation radiator modules; the main fluid absorption micro-channel is interconnected with capillary channels of the secondary fluid absorption channels. The corrugated tube type micro-circulation radiator and the micro-circulation heat exchange system have the advantages of compact structure, high transmission efficiency, relatively low noise, low auxiliary power consumption and high reliability and can well solve the main bottleneck problem in industrial development of electronic components, and thus the radiator and the system have bright market prospects.

Description

A kind of corrugated tube type microcirculation radiator and microcirculation heat-exchange system
Technical field
The present invention relates to a kind of radiator, be specifically related to a kind of corrugated tube type microcirculation radiator and microcirculation heat-exchange system.
Background technology
Along with the development of science and technology, the miniaturization of high-power and high-performance electronic components and parts application system and highly integrated Changing, cause the caloric value of unit volume inner electronic equipment to be increased dramatically, local temperature is too high.When electronic devices and components are chronically at height During temperature state, lost efficacy often as overheated.It addition, when using environment heat exchanging system bulk, weight to make strict restriction And when cooling requirements is the highest, the traditional forced liquid circulation type of cooling, the forced ventilation type of cooling or gravity assisted heat pipe phase Becoming the type of cooling and be difficult to meet the cooling requirements under the conditions of high-power, high heat flux uses, heat dissipation problem has become restriction The Main Bottleneck of electronic devices and components industry development.
Summary of the invention
The present invention is directed to traditional heat sinks set forth above and can not meet cooling requirements under the conditions of high-power, high heat flux Problem, and research design one corrugated tube type microcirculation radiator and microcirculation heat-exchange system.The technological means that the present invention uses As follows:
A kind of corrugated tube type microcirculation radiator, dissipates including heat source module installing plate, radiator installing plate and multiple microcirculation Thermal modules, described heat source module installing plate and radiator installing plate interfix and are internally formed the main working medium for accommodating working medium Chamber, described microcirculation radiating module is the tubular structure that one end open one end is closed, and it is division of labor matter that microcirculation dissipates the inside of module Chamber, described microcirculation dissipates the opening of module and is arranged on radiator installing plate, makes point working fluid chamber connect with main working fluid chamber, described The outer wall of microcirculation radiating module includes that the heat radiation plane being parallel to each other, described heat radiation plane are provided with radiating fin, described master The inwall of working fluid chamber is provided with the main imbibition microchannel of capillary structure, and the inwall of described microcirculation radiating module is provided with capillary knot Point imbibition passage of structure.
Further, the cross section of described microcirculation radiating module is oblate, the cooling fins of multiple microcirculation radiating modules Face be parallel to each other in array arrange, the relative heat radiation plane of adjacent two microcirculation radiating modules respectively with same heat radiation It is respectively provided with between a radiating fin and two radiating fins in the heat radiation plane that the both sides of fin are connected or relative and interval is set Plate.
Further, described capillary channel be equivalent diameter be the regular hole of 0.001~8 or irregular hole.
Further, described capillary structure is that inwall is provided with minute protrusions or the structure of pit, inwall is provided with small The structure of groove or porous metal structure.
Further, described main imbibition microchannel and a point imbibition microchannel have identical or different capillary structure.
Further, described porous metals are made up of sintering process, and described minute protrusions, pit and minute recesses are for by carving The structure that etching technique or machining mode obtain.
Further, described working medium is water, methanol, ethanol, ethylene glycol or acetone, and described radiating fin is ripple non-incision Shape, ripple have otch shape, flat shape or zigzag.
A kind of corrugated tube type microcirculation heat-exchange system, including corrugated tube type microcirculation radiator of the present invention, also includes using In the blower fan group providing cooling air.
Further, described blower fan group is axial-flow type or centrifugal fan group.
Compared with the prior art, corrugated tube type microcirculation radiator of the present invention and microcirculation heat-exchange system have following Advantage:
1, imbibition microchannel be set to cooling liquid after worker quality liquid be the most successfully back to main working fluid chamber in carry Supply capillary force and passage, this imbibition microchannel can make the heat-conductive characteristic conduction of heat than conventional heat pipe of microcirculation radiator Performance improves more than 10 times, therefore heat-exchange system more compact efficient;
2, the capillary structure of imbibition microchannel makes point working fluid chamber setting angle out of plumb be even 0 degree with horizontal line angle Time, microcirculation radiator can also be properly functioning, and this feature is very easy to the installation of electronic devices and components;
3, working medium relies on the micro-pressure difference of zones of different steam to realize steam by heat source side to the flowing of low-temperature receiver end, relies on imbibition The extremely strong capillary force in microchannel realizes the liquid quick backflow by low-temperature receiver end thermotropism source, and working medium is inside microcirculation radiating module Flowing need not outside provide power, without pump, relative to the heat-exchange system of traditional employing forced liquid circulation type of cooling, Noise is lower, more saves auxiliary power;
4, use the main working fluid chamber shared, heat source module installing plate can be made to obtain uniform heat flow density, reduce heat radiation There is the probability of high temperature and hot spot in general ability portion, improves the reliability of microcirculation heat-exchange system;
5, use dipteron chip secondary radiating fin, secondary heat exchange area can be increased, improve thermal discharge;Intermediate Gray simultaneously Space bar can also be prevented effectively from the deformation of secondary heat exchange fin;
6, compact conformation, heat transfer efficiency is high, noise is lower, and auxiliary power consumes low, and reliability is high, can solve well The Main Bottleneck problem heat dissipation problem of electronic devices and components industry development, wide market.
Accompanying drawing explanation
Fig. 1 is the structural representation of the corrugated tube type microcirculation radiator described in the embodiment of the present invention.
Fig. 2 is the structural representation of the microcirculation radiating module described in the embodiment of the present invention.
Fig. 3 is the structural representation of the radiator installing plate described in the embodiment of the present invention.
Fig. 4 is the structural representation of ripple non-incision shape radiating fin.
Fig. 5 is the structural representation that ripple has otch shape radiating fin.
Fig. 6 is the structural representation of flat shape radiating fin.
Fig. 7 is the structural representation of sawtooth-shaped radiation fin.
Fig. 8 is the structural representation of the imbibition microchannel (square bulge-structure) described in the embodiment of the present invention.
Fig. 9 is the left view of Fig. 8.
Figure 10 is the structural representation of the imbibition microchannel (circular protrusions structure) described in the embodiment of the present invention.
Figure 11 is the left view of Figure 10.
Figure 12 is the structural representation of the imbibition microchannel (groove structure) described in the embodiment of the present invention.
Figure 13 is the upward view of Figure 12.
Figure 14 is the structural representation of the imbibition microchannel (bowl configurations) described in the embodiment of the present invention.
Figure 15 is the left view of Figure 14.
Figure 16 is the structural representation of the imbibition microchannel (porous metal structure) described in the embodiment of the present invention.
Figure 17 is the schematic diagram of the microcirculation heat-exchange system described in the embodiment of the present invention.
Detailed description of the invention
As shown in Figure 1 to Figure 3, a kind of corrugated tube type microcirculation radiator, including the heat source module for installing heat source module 3 Installing plate 4, radiator installing plate 5 and multiple microcirculation radiating module 9, described heat source module installing plate 4 and radiator installing plate 5 Interfixing and be internally formed the main working fluid chamber 6 for accommodating working medium, described microcirculation radiating module 9 is one end open one end seal The tubular structure closed, it is a point working fluid chamber 10 that microcirculation dissipates the inside of module 9, and described radiator installing plate 5 offers installing port, Described microcirculation dissipates the opening of module 9 and is arranged at the installing port on radiator installing plate 5, makes point working fluid chamber 10 and main working medium Chamber 6 connects, and the outer wall of described microcirculation radiating module 9 includes the heat radiation plane 16 being parallel to each other, and described heat radiation plane 16 sets Having radiating fin 13, the inwall of described main working fluid chamber 6 is provided with the main imbibition microchannel 7 of capillary structure, and described microcirculation dispels the heat On the inwall of module 9, the inwall of working fluid chamber 10 is namely divided to be provided with point imbibition passage 11 of capillary structure.Described capillary channel For regular hole that equivalent diameter is 0.001~8 or irregular hole.This special structure design, after cooling liquid Working medium 8 be quickly successfully back to main working fluid chamber 6 in provide capillary force and passage.Therefore, this imbibition microchannel can make The heat-conductive characteristic of microcirculation radiator improves more than 10 times than the heat-conductive characteristic of conventional heat pipe, and therefore heat-exchange system more steps up Gather efficiently.
The cross section of described microcirculation radiating module 9 is oblate, and oblateness refers to by two sections of line segments being parallel to each other and line The shape of the semi arch composition at section two ends, the shape of similar playground runway, say, that the endoporus of microcirculation radiating module 9 is Waist-shaped hole, the heat radiation plane 16 of multiple microcirculation radiating modules 9 is parallel to each other and arranges in array, described relative heat radiation plane 16 be connected with the both sides of same radiating fin 13 respectively or be respectively provided with in relative heat radiation planes 16 radiating fin 13 and Between relative two radiating fins 13 in heat radiation plane 16, space bar 14 is set, each in the outermost heat radiation in both sides plane 16 Be provided with one group of radiating fin 13 and be arranged on the side plate 15 outside radiating fin 13, radiating fin 13 be arranged over radiating module Fixed plate 12, radiating module fixed plate 12 is provided with through hole, and the upper end of microcirculation radiating module 9 is fixed through through hole.As Shown in Fig. 4 to Fig. 7, the generally three-dimensional platy structure of described radiating fin 13, described radiating fin 13 is ripple non-incision shape, ripple Stricture of vagina has otch shape, flat shape or zigzag.
As shown in Fig. 8 to Figure 16, described capillary structure is that inwall is provided with on minute protrusions or the structure of pit, inwall and sets Have structure or the porous metal structure of minute recesses, the cross sectional shape of described minute recesses be triangle, semicircle, inverted trapezoidal or Rectangle etc., it is also possible to for irregular shape.Described main imbibition microchannel 7 and a point imbibition microchannel 11 have identical or different Capillary structure.In the present embodiment, described main imbibition microchannel 7 and a point imbibition microchannel 11 have different capillary structures, described Main imbibition microchannel 7 is the structure that inwall is provided with minute protrusions or pit, is in particular cases smooth inner wall face, described point of suction Liquid microchannel 11 is the structure that inwall is provided with minute recesses.Different capillary structures has different porositys, small porosity Imbibition microchannel bigger capillary pressure can be provided, the imbibition microchannel of macroporosity can strengthen the back-flow velocity of working medium;Separately Outward, the imbibition microchannel of different porosities has different heat exchange areas.Therefore, it can according to actual needs, at main working fluid chamber 6 With the capillary structure of different porosities is set in point working fluid chamber 10, the heat exchange property of final optimization pass heat exchanger.Described porous metals Being made up of sintering process, described minute protrusions, groove and minute recesses are the knot obtained by etching technics or machining mode Structure.Fig. 8 to Figure 16 merely to be illustrated more clearly that the example cited by structure of imbibition microchannel, actual imbibition microchannel It is several that structure runs far deeper than shown in figure.
Described working medium 8 is water, methanol, ethanol, ethylene glycol or acetone.Corrugated fin also known as herringbone wavy fin, its flow to for Bending, forms waveform, by constantly changing the flow direction of fluid, promotes the turbulence of fluid, separates and destroy thermal resistance border Layer;Serrated fin is the direction along fluid, according to certain rules, plain fin is cut out many otch, and Xiang Yuliu The left and right directions that body flow direction is vertical stagger certain distance formed discontinuous fin, this fin to promote fluid turbulence, Destroy thermal resistance boundary region largely effective;
As shown in figure 17, a kind of corrugated tube type microcirculation heat-exchange system, dissipate including the corrugated tube type microcirculation described in the present embodiment Hot device 1, also includes the blower fan group 2 for providing cooling air, and described blower fan group 2 is axial-flow type or centrifugal fan group, circulation Cooling system also includes that other connect the structures such as adnexa.In figure, arrow is the signal arrow of cooling air-flow direction.
Described microcirculation radiator and the operation principle of heat-exchange system be: when electronic devices and components operational heat, heat Being transmitted to main working fluid chamber 6 inwall by heat source module installing plate 4, the working medium 8 stored in main working fluid chamber 6 is heated and evaporation and boiling is occurred Rising, working medium is become steam by liquid, absorbs substantial amounts of heat in the process;Steam enters a point working fluid chamber 10 from main working fluid chamber 6, Due to blower fan forced draft cooling, the air that is cooled of the steam heat in point working fluid chamber 10 is taken away, and steam liquefied, after liquefaction Working medium flow back in main working fluid chamber 6 along point imbibition microchannel 11 and main imbibition microchannel 7, proceeds next heat radiation circulation.
Embodiment described above is only to be described the preferred embodiment of the present invention, the not model to the present invention Enclose and be defined, on the premise of designing spirit without departing from the present invention, the those of ordinary skill in the art technical side to the present invention Various deformation that case is made and improvement, all should fall in the protection domain that claims of the present invention determines.

Claims (9)

1. a corrugated tube type microcirculation radiator, dispels the heat including heat source module installing plate, radiator installing plate and multiple microcirculation Module, described heat source module installing plate and radiator installing plate interfix and are internally formed the main working medium for accommodating working medium Chamber, described microcirculation radiating module is the tubular structure that one end open one end is closed, and it is division of labor matter that microcirculation dissipates the inside of module Chamber, described microcirculation dissipates the opening of module and is arranged on radiator installing plate, makes point working fluid chamber connect with main working fluid chamber, described The outer wall of microcirculation radiating module includes that the heat radiation plane being parallel to each other, described heat radiation plane are provided with radiating fin, described master The inwall of working fluid chamber is provided with the main imbibition microchannel of capillary structure, and the inwall of described microcirculation radiating module is provided with capillary knot Point imbibition passage of structure.
Corrugated tube type microcirculation radiator the most according to claim 1, it is characterised in that: cutting of described microcirculation radiating module Face is oblate, and the heat radiation plane of multiple microcirculation radiating modules is parallel to each other and arranges in array, and adjacent two microcirculations dissipate It is respectively provided with in the heat radiation plane that the relative heat radiation plane of thermal modules is connected or relative with the both sides of same radiating fin respectively Between one radiating fin and two radiating fins, space bar is set.
Corrugated tube type microcirculation radiator the most according to claim 1, it is characterised in that: described capillary channel is equivalent diameter It is the regular hole of 0.001~8 or irregular hole.
Corrugated tube type microcirculation radiator the most according to claim 3, it is characterised in that: described capillary structure is to set on inwall Minute protrusions or the structure of pit, inwall is had to be provided with structure or the porous metal structure of minute recesses.
Corrugated tube type microcirculation radiator the most according to claim 4, it is characterised in that: described main imbibition microchannel and point suction Liquid microchannel has identical or different capillary structure.
Corrugated tube type microcirculation radiator the most according to claim 3, it is characterised in that: described porous metals are by sintering process Making, described minute protrusions, pit and minute recesses are the structure obtained by etching technics or machining mode.
Corrugated tube type microcirculation radiator the most as claimed in any of claims 1 to 6, it is characterised in that: described working medium For water, methanol, ethanol, ethylene glycol or acetone, described radiating fin be ripple non-incision shape, ripple have otch shape, flat shape or Zigzag.
8. a corrugated tube type microcirculation heat-exchange system, it is characterised in that: include the pipe described in any one in claim 1 to 7 Belt microcirculation radiator, also includes the blower fan group for providing cooling air.
Corrugated tube type microcirculation heat-exchange system the most according to claim 8, it is characterised in that: described blower fan group be axial-flow type or Centrifugal fan group.
CN201610908134.2A 2016-10-18 2016-10-18 A kind of corrugated tube type microcirculation radiator and microcirculation heat-exchange system Active CN106332529B (en)

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN106643245A (en) * 2017-01-23 2017-05-10 中车大连机车研究所有限公司 Multi-channel parallel heat pipe radiator
CN107087384A (en) * 2017-06-28 2017-08-22 合肥联宝信息技术有限公司 Radiator and heat abstractor
CN108323099A (en) * 2018-01-16 2018-07-24 南昌大学 Finned heat pipe coupling radiator
CN108770281A (en) * 2018-04-12 2018-11-06 江苏科技大学 A kind of high heat flux density electronic device radiating device and application method
CN109640596A (en) * 2019-01-11 2019-04-16 鞍山鞍明实业有限公司 It is a kind of efficiently micro- to lead heat radiation module
CN110243223A (en) * 2019-07-12 2019-09-17 苏州纵贯线换热器有限公司 A kind of novel high-performance heat exchanger
CN110707059A (en) * 2019-09-26 2020-01-17 上海交通大学 Multi-dimensional mesh-shaped mixed micro-channel fluid radiator
CN113937956A (en) * 2020-06-29 2022-01-14 比亚迪股份有限公司 Wheel hub motor heat radiation structure and car
CN108323099B (en) * 2018-01-16 2024-03-29 南昌大学 Fin type heat pipe coupling radiator

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Publication number Priority date Publication date Assignee Title
CN106643245A (en) * 2017-01-23 2017-05-10 中车大连机车研究所有限公司 Multi-channel parallel heat pipe radiator
CN107087384A (en) * 2017-06-28 2017-08-22 合肥联宝信息技术有限公司 Radiator and heat abstractor
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CN108770281A (en) * 2018-04-12 2018-11-06 江苏科技大学 A kind of high heat flux density electronic device radiating device and application method
CN109640596A (en) * 2019-01-11 2019-04-16 鞍山鞍明实业有限公司 It is a kind of efficiently micro- to lead heat radiation module
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CN110243223A (en) * 2019-07-12 2019-09-17 苏州纵贯线换热器有限公司 A kind of novel high-performance heat exchanger
CN110707059A (en) * 2019-09-26 2020-01-17 上海交通大学 Multi-dimensional mesh-shaped mixed micro-channel fluid radiator
CN110707059B (en) * 2019-09-26 2020-12-22 上海交通大学 Multi-dimensional mesh-shaped mixed micro-channel fluid radiator
CN113937956A (en) * 2020-06-29 2022-01-14 比亚迪股份有限公司 Wheel hub motor heat radiation structure and car

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