CN106524602A - Two-phase flow heat-removal system - Google Patents
Two-phase flow heat-removal system Download PDFInfo
- Publication number
- CN106524602A CN106524602A CN201610998109.8A CN201610998109A CN106524602A CN 106524602 A CN106524602 A CN 106524602A CN 201610998109 A CN201610998109 A CN 201610998109A CN 106524602 A CN106524602 A CN 106524602A
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- Prior art keywords
- pipe
- phase flow
- cooling system
- parallel
- flow cooling
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/042—Details of condensers of pcm condensers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Disclosed is a two-phase flow heat-removal system. The two-phase flow heat-removal system comprises an evaporator, a condenser, steam pipes and fluid pipes, wherein the steam pipes and the fluid pipes communicate with the evaporator and the condenser. The two-phase flow heat-removal system further comprises a fluid storage pipe used for achieving the fluid storage function of the system. The two ends of the fluid storage pipe are closed towards the outside. A pipe body of the fluid storage pipe communicates with the steam pipes/fluid pipes. The two-phase flow heat-removal system is filled with condensation flowing working media, the working media are formed in the working process to absorb heat from the evaporator for vaporization, and the working media reach the condenser through the steam pipes for heat release and condensation and then flow back into a circulation flow loop of the evaporator through the fluid pipes. The two-phase flow heat-removal system is compact in structure, and the production efficiency and welding reliability can be improved obviously.
Description
Technical field
The present invention relates to field of radiating, the compact designed and manufacture efficiency of more particularly to a kind of two-phase flow cooling system.
Background technology
Existing two-phase flow cooling system is generally included：The vapour of vaporizer, condenser and connection vaporizer and condenser
Pipe and liquid pipe, these members and filling can be condensing in the interior backlash road that constitutes working medium.Heat from heat source is absorbed in vaporizer
Afterwards, its internal working medium boiling vaporization, enters condenser by steam pipe, and condenser is to other media（For example：Air or refrigerating medium）
After release heat, the working medium of its interior evaporation is condensed into liquid；Then, vaporizer, such circulation continuous are back to by liquid pipe
Go down, realize the continuous transmission of thermal source heat flow and distribute.The mode of Working fluid flow is driven mainly to have pump to drive and thermal siphon original
Two kinds of reason.Condenser can be the heat exchanger of copper pipe aluminum fin, parallel-flow heat exchanger etc. and air direct heat transfer, it is also possible to
It is the various forms of heat exchangers to refrigerating medium heat exchange.
When two-phase flow cooling system works, the working medium for circulating needs to be filled to the interior aerial of whole system, it is also desirable to
Impact of the refrigerant leakage under certain working medium surplus capacity counteracting long-term work to systemic-function, therefore will often need in system
Connection arranges liquid storage container, is generally fluid reservoir.Depending on the foundation system design considerations of amount of liquid storage, if two-phase flow cooling system
There is the space storage q.s working medium of abundance in loop, it is also possible to do not set fluid reservoir, but generally relatively high power radiating requirements need
Carry out liquid storage design.As fluid reservoir in the tank body access system for possessing concentration volume, it is unfavorable for realizing the succinct and tight of system
Gather design.
Parallel-flow heat exchanger is now widely used for special sky due to its stronger exchange capability of heat and preferable combination property
Reconcile in heat-exchange system.Referring to Fig. 1, existing parallel-flow heat exchanger 21 is a welding fabrication, and its component part is all aluminum
Alloy material.Parallel-flow heat exchanger 21 is main by two headers 211 and spaced and parallel between this two headers 211
Microchannel or passage aisle flat tube 212 are constituted, and two secondary radiating fins are generally provided between adjacent flat tube（Not shown in figure）, it is used for
Strengthen and the heat exchange area between air.Wherein, header 211 is the pipe of two ends closure.For larger heat radiation power demand
System, it is in order to carry out system compact design, generally cold using the combination type for being placed in parallel multiple parallel-flow heat exchangers each other
Condenser is designed, the existing condenser constituted using multiple parallel-flow heat exchangers, needs to be welded to multiple duct members one by one
Together, production efficiency is relatively low.
The content of the invention
The technical problem to be solved is to overcome the shortcomings of existing for above-mentioned prior art, and proposes a kind of two
Mutually scatter hot systems, and not only production efficiency is greatly improved, and compact conformation, reliability are high.
The present invention proposes a kind of two-phase flow cooling system for above-mentioned technical problem, including：Vaporizer, condenser and company
Lead to the steam pipe and liquid pipe of the vaporizer and the condenser；Also include：Liquid storage pipe, for realizing system liquid storage function；The liquid storage
Sealing treatment is externally made at pipe two ends, and the pipe shaft of the liquid storage pipe is connected with the steam pipe/liquid pipe；Fill in the two-phase flow cooling system
Enter can condensing flow working medium, define during work working medium from the vaporizer heat absorption vaporize, described in Jing steam pipe reach condenser put
After heat condensation, then liquid pipe described in Jing be back to vaporizer circulate loop.
Compared with prior art, the present invention makes full use of can liquid storage dexterously by design and the arrangement of liquid storage pipe
Horizontal space shared by pipeline so that system liquid storage function realizes compact and succinct, compact conformation, can significantly improve life
Produce efficiency and soldering reliability.
Description of the drawings
Fig. 1 is the structural representation of existing parallel-flow heat exchanger.
Fig. 2 is the structural representation of the two-phase flow cooling system embodiment one of the present invention.
Fig. 3 is the structural representation of the two-phase flow cooling system embodiment two of the present invention.
Fig. 4 is the structural representation of the two-phase flow cooling system embodiment three of the present invention.
Fig. 5 be the present invention two-phase flow cooling system in the liquid storage pipe string access way of the first.
Fig. 6 is the structural representation of condenser in two-phase flow cooling system embodiment three of the invention.
Fig. 7 is the structural representation of intercommunication seat in condenser shown in Fig. 6.
Fig. 8 is the structural representation of the two-phase flow cooling system example IV of the present invention.
Fig. 9 be the present invention two-phase flow cooling system in second of liquid storage pipe string access way.
Figure 10 is the structural representation of condenser in two-phase flow cooling system example IV of the invention.
Figure 11 is the signal of the section containing mutual siphunculus and two header communication informations in condenser shown in Figure 10.
Wherein, description of reference numerals is as follows:1 vaporizer 2,3 liquid storage pipe of 2a, 2b condenser, 4 steam pipe, 5 liquid pipe
6 working medium filler line, 21 parallel-flow heat exchanger, 22 212 flat tube of intercommunication seat 23 mutual siphunculus, 211 header, 222 arc surface
223 through hole, 231 mutual 51 perforate of siphunculus perforate.
Specific embodiment
Below in conjunction with the accompanying drawing of this specification, give further elaboration to presently preferred embodiments of the present invention.
The present invention proposes the two-phase flow cooling system for realizing compact designed, especially for high-power heat-dissipation demand is
System, system are related to a kind of liquid storage pipe design for realizing liquid storage function and method for arranging, and liquid storage can be made to make full use of shared by pipeline
Horizontal space so that realizing for system liquid storage function is compact and succinct；For being condensed using the combination of many concurrent flows in system
The densification of device requires, the intercommunication component and feature that the combination of two for being related to kind pattern and intercommunication mode possess causes the condenser can
To realize one piece welding fabrication, production efficiency and soldering reliability are significantly improved.
Referring to Fig. 2, shown in Fig. 2 is two-phase flow cooling system embodiment one, including：Vaporizer 1, condenser 2, connection are somebody's turn to do
Two steam pipes 4 and two liquid pipes 5, the liquid storage pipe 3 for realizing system liquid storage function and works of vaporizer 1 and the condenser 2
Matter filler line 6.
Condenser 2 is a parallel-flow heat exchanger 21, and portion's header 211 is accessed steam pipe 4 from it, and liquid pipe 5 is from its underpart
Header 211 is accessed.
Liquid storage pipe 3 is circular pipe shaft with section.Externally make sealing treatment in 3 two ends of liquid storage pipe.Steam pipe 4 directly connects steaming
Send out device 1 and condenser 2.5 indirect communication vaporizer 1 of liquid pipe and condenser 2.Indirect communication described here refers to that liquid storage pipe 3 is concatenated
Enter on the pipeline of two liquid pipes 5.With reference to referring to Fig. 5, liquid storage pipe 3 adopts the string access way of the first, and liquid storage pipe 3 is by liquid pipe
5 pass through from its tube wall side and perforate 51 are provided with the tube wall of liquid pipe through section, so that the interior empty connection liquid pipe of liquid storage pipe 3
5 interior sky.Liquid pipe 5 passes through welded seal in tube wall intersection with liquid storage pipe 3.Liquid storage pipe 3 in the two-phase flow cooling system
Depending on quantity is set according to the amount of liquid storage demand of two-phase flow cooling system.
Working medium filler line 6 is arranged in 2 lower header 211 of condenser.6 end of working medium filler line has been filled in the working medium
Seal after finishing, vacuum pumping is carried out to sky in loop by working medium filler line 6 before working medium filling.
Be filled with the two-phase flow cooling system system can condensing flow working medium, working medium is defined during work and is inhaled from vaporizer 1
Hot vapour, Jing after steam pipe 4 reaches 2 exothermic condensation of condenser, then Jing liquid pipes 5 be back to vaporizer 1 circulate loop.It is above-mentioned
The connection of liquid storage pipe 3 can ensure that the working medium of the system of being filled with can flow into liquid storage pipe 3.The two-phase flow cooling system can adopt hot rainbow
Inhale principle to circulate realizing its internal working medium.Or, needs are designed according to heat radiation power, system layout etc. according to reality,
The two-phase flow cooling system can also drive its internal working medium to circulate using the pump that appropriate location in systems is accessed.Pump
The access system generally on liquid pipe route.
Referring to Fig. 3, shown in Fig. 3 is two-phase flow cooling system embodiment two, its with embodiment one except that：Liquid pipe
5 directly connect vaporizer 1 and condenser 2.4 indirect communication vaporizer 1 of steam pipe and condenser 2, i.e.,：Liquid storage pipe 3 is concatenated into two
On the pipeline of individual steam pipe 4.For this kind of liquid storage pipe 3 is located at the situation on 4 route of steam pipe, when usual system does not work inside fill
Working medium liquid face is extended in steam pipe 4.
Referring to Fig. 4, shown in Fig. 4 is two-phase flow cooling system embodiment three, and which has two liquid storage pipes 3, all concatenate into
In the pipeline of four liquid pipes 5, two liquid storage pipes 3 are using identical the first string access way as shown in Figure 5.3 quilt of liquid storage pipe
Liquid pipe 5 is passed through from its tube wall side, and the advance perforate 51 on the tube wall of 5 through section of liquid pipe.
Referring to Fig. 6, Fig. 6 is the structural representation of the condenser 2a of embodiment illustrated in fig. 4 three.Condenser 2a belongs to many concurrent flows
Heat exchanger combination situations.Specifically, condenser 2a includes two parallel-flow heat exchangers 21 and 12 being placed in parallel each other
Individual intercommunication seat 22.Six intercommunication seats 22 at the tube wall connection close to two parallel-flow heat exchangers, 21 side header 211；In addition
Six intercommunication seats 22 at the tube wall connection close to two parallel-flow heat exchangers, 21 opposite side header 211.
Referring to Fig. 7, intercommunication seat 22 is wedge shaped, its have with two 211 corresponding matchings of header and by a through hole 223
Two arc surfaces 222 of insertion.Close to the tube wall of two headers 211 fit with the two arc surfaces 222 respectively and in advance
In joint place perforate.Intercommunication seat 22 passes through welded seal in intersection with header 211.Each part of the condenser 2 is aluminum
Alloy material, and be one piece welding fabrication.
Referring to Fig. 8, shown in Fig. 8 is two-phase flow cooling system example IV, and the embodiment has two liquid storage pipes 3, all goes here and there
Access in the pipeline of four liquid pipes 5, two liquid storage pipes 3 are respectively adopted the first the string access way shown in aforementioned Fig. 5：It is located at
The liquid storage pipe 3 of inner side is passed through from its tube wall side and the advance perforate 51 on the tube wall of 5 through section of liquid pipe by liquid pipe 5；Shown in Fig. 9
Second string access way, positioned at outside liquid storage pipe 3 by two sections of liquid pipe 5 respectively from the top and the left side of its tube wall side not
Access with position.Working medium filler line 6 is arranged on the liquid storage pipe 3 in outside.
Referring to Figure 10, Figure 10 is the structural representation of condenser 2b in embodiment illustrated in fig. 8 four.Condenser 2b falls within and puts down more
Row stream heat exchanger combination situations.Specifically, condenser 2b includes two 21 Hes of parallel-flow heat exchanger being placed in parallel each other
Ten mutual siphunculus 23.Mutually siphunculus 23 connects the header 211 of all 21 homonymies of parallel-flow heat exchanger at tube wall.
Referring to Figure 11, an outermost is connected at tube wall in 23 one end of mutual siphunculus（This situation is above）Parallel-flow heat exchanger
21 header 211, then across another（This situation is following）The header 211 of parallel-flow heat exchanger 21, and at which
Advance perforate 231 on the tube wall of through section.Mutually siphunculus 23 passes through welded seal in intersection with 211 pipe of afflux.
There is the header 211 of six two parallel-flow heat exchanger of connection, 21 sides in the mutual siphunculus 23 of ten of condenser 2b；Its
Remaining four connection two parallel-flow heat exchangers, 21 opposite sides headers 211.In the present embodiment, each part of condenser 2b is equal
For aluminum alloy material, and it is one piece welding fabrication.In other embodiments, the afflux that each mutual siphunculus 23 is communicated therewith
211 intersection of pipe also can be the sealing of manual welding one by one and fix, but which is for one piece welding, production efficiency
It is extremely low.
It is noted that ginseng Fig. 8 is returned, because the connection spacing on the left of condenser 2b and between vaporizer 1 is nearer,
Six steam pipes 4 are really replaced by the extension on six mutual siphunculus 23, i.e., extension directly connects vaporizer 1.
Compared with prior art is generally using liquid storage pattern, the setting thinking of the liquid storage pipe 3 of the present invention not only has system
Have the advantages that lightweight, duty is little and outward appearance is neat, and its installation position can be flexibly set according to the needs of practical application.
In addition, condenser 2a, 2b of the combination of many parallel-flow heat exchangers 21 of the present invention can realize that overall being pre-installed once enter stove welding
Molding, not only production efficiency greatly improve, and compact conformation, reliability are high.
The above is only presently preferred embodiments of the present invention, is not intended to limit embodiment of the present invention, and this area is general
Logical technical staff central scope of the invention and spirit, can very easily carry out corresponding flexible or modification, therefore this
The protection domain of invention should be defined by the protection domain required by claims.
Claims (10)
1. a kind of two-phase flow cooling system, including：Vaporizer, condenser and connect the vaporizer and the condenser steam pipe and
Liquid pipe；Characterized in that, the two-phase flow cooling system also includes：Liquid storage pipe, for realizing system liquid storage function；The liquid storage pipe
Sealing treatment is externally made at two ends, and the pipe shaft of the liquid storage pipe is connected with the steam pipe/liquid pipe；It is filled with the two-phase flow cooling system
Can condensing flow working medium, define during work working medium from the vaporizer heat absorption vaporize, described in Jing steam pipe reach condenser heat rejection
After condensation, then liquid pipe described in Jing be back to vaporizer circulate loop.
2. according to the two-phase flow cooling system described in claim 1, it is characterised in that the liquid storage pipe is by the steam pipe/liquid pipe
Pass through from its pipe shaft wall side；The tube wall of the through section of the steam pipe/liquid pipe is provided with the perforate connected with the liquid storage pipe, described
Steam pipe/liquid pipe passes through welded seal in tube wall intersection with the liquid storage pipe.
3. according to the two-phase flow cooling system described in claim 1, it is characterised in that the liquid storage pipe is by the steam pipe/liquid pipe
Piecewise is accessed from the diverse location of its pipe shaft wall side, passes through to weld close at the steam pipe/liquid pipe and the access of the liquid storage pipe
Envelope.
4. according to the two-phase flow cooling system described in claim 1, it is characterised in that the two-phase flow cooling system adopts thermal siphon
Principle is circulated realizing its internal working medium；Or, the two-phase flow cooling system is accessed using appropriate location in systems
Pump is circulated driving its internal working medium.
5. according to the two-phase flow cooling system described in claim 1, it is characterised in that the two-phase flow cooling system also includes arranging
Working medium filler line on loop, the working medium filling pipe end are sealed after working medium filling is finished, logical before working medium filling
Crossing working medium filler line carries out vacuum pumping to sky in loop.
6. according to the two-phase flow cooling system described in any one of claim 1 to 5, it is characterised in that the condenser includes：Extremely
Few two parallel-flow heat exchangers being placed in parallel each other and multiple intercommunication seats；The parallel-flow heat exchanger includes two headers
And spaced and parallel some flat tubes between this two headers, two secondary radiating fins are provided between adjacent flat tube；It is described
Intercommunication seat at the tube wall connection close to two parallel-flow heat exchanger homonymies the header.
7. according to the two-phase flow cooling system described in claim 6, it is characterised in that the intercommunication seat is wedge shaped, with two
Individual header corresponding matching and by two arc surfaces of a through hole insertion；Close to two headers tube wall difference
Fit with the two arc surfaces, and in advance in joint place perforate, the intercommunication seat is with the header in intersection by welding
Sealing.
8. according to the two-phase flow cooling system described in any one of claim 1 to 5, it is characterised in that the condenser includes：Extremely
Few two parallel-flow heat exchangers being placed in parallel each other and multiple mutual siphunculus；The parallel-flow heat exchanger includes two headers
And spaced and parallel some flat tubes between this two headers, two secondary radiating fins are provided between adjacent flat tube；It is described
Mutually siphunculus connects the header of all parallel-flow heat exchanger homonymies at tube wall.
9. according to the two-phase flow cooling system described in claim 8, it is characterised in that one end of the mutual siphunculus is connect at tube wall
The header of parallel-flow heat exchanger described in a logical outermost, then across described in all other parallel-flow heat exchanger
Header, and the advance perforate on the tube wall of the through section of the mutual siphunculus, the mutual siphunculus is with the header in intersection
By welded seal.
10., according to the two-phase flow cooling system described in claim 8,9, the steam pipe is connected with some mutual siphunculus respectively,
The liquid pipe is connected with remaining some mutual siphunculus respectively；Wherein, between the connection of the vaporizer and the condenser
Away from it is nearer when, the steam pipe/liquid pipe can by the mutual siphunculus extension replace, i.e., extension directly connects evaporation
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610998109.8A CN106524602A (en) | 2016-11-11 | 2016-11-11 | Two-phase flow heat-removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610998109.8A CN106524602A (en) | 2016-11-11 | 2016-11-11 | Two-phase flow heat-removal system |
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| Publication Number | Publication Date |
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| CN106524602A true CN106524602A (en) | 2017-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610998109.8A Pending CN106524602A (en) | 2016-11-11 | 2016-11-11 | Two-phase flow heat-removal system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344210A (en) * | 2018-03-14 | 2018-07-31 | 东莞市丰瑞德温控技术有限公司 | Improve the concurrent flow heat-exchange system of heat exchange efficiency |
| CN109595960A (en) * | 2017-09-30 | 2019-04-09 | 深圳智焓热传科技有限公司 | Thermosyphon heat dissipation device |
| CN111750699A (en) * | 2019-03-29 | 2020-10-09 | 杭州三花研究院有限公司 | Heat exchange assembly |
| EP4253890A1 (en) * | 2022-03-31 | 2023-10-04 | Sungrow Power Supply Co., Ltd. | Phase-change heat exchanger and heat exchange core thereof |
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| EP4253890A1 (en) * | 2022-03-31 | 2023-10-04 | Sungrow Power Supply Co., Ltd. | Phase-change heat exchanger and heat exchange core thereof |
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Application publication date: 20170322 |