CN103968613A - Micro-channel heat exchanger - Google Patents

Micro-channel heat exchanger Download PDF

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Publication number
CN103968613A
CN103968613A CN201410228176.2A CN201410228176A CN103968613A CN 103968613 A CN103968613 A CN 103968613A CN 201410228176 A CN201410228176 A CN 201410228176A CN 103968613 A CN103968613 A CN 103968613A
Authority
CN
China
Prior art keywords
header
micro
channel
heat exchanger
collecting pipe
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.)
Pending
Application number
CN201410228176.2A
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Chinese (zh)
Inventor
金听祥
屈治国
杨滨滨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Chigo Air Conditioning Co Ltd
Original Assignee
Guangdong Chigo Air Conditioning Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Chigo Air Conditioning Co Ltd filed Critical Guangdong Chigo Air Conditioning Co Ltd
Priority to CN201410228176.2A priority Critical patent/CN103968613A/en
Publication of CN103968613A publication Critical patent/CN103968613A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a micro-channel heat exchanger, comprising a first collecting pipe, a second collecting pipe, a micro-channel pipe and a foam fin, wherein the first collecting pipe and the second collecting pipe are arranged up and down; plug caps for sealing the first collecting pipe are arranged at two sides of the first collecting pipe; plug caps for sealing the second collecting pipe are arranged at two sides of the second collecting pipe; an inlet pipe and an outlet pipe are arranged at the left end and the right end of the first collecting pipe; a baffler is also arranged in the middle of the first collecting pipe; the inlet pipe and the outlet pipe of the baffler are communicated through the first collecting pipe; a plurality of micro-channel pipes are arranged between the first collecting pipe and the second collecting pipe; the first collecting pipe is communicated with the second collecting pipe through the micro-channel pipes; the foam fin is arranged inside an airflow passage formed between two adjacent micro-channel pipes; airflow micro-pores are formed in the foam fin. Compared with the prior art, by adopting the micro-channel heat exchanger provided by the invention, the heat exchange area of the fin can be increased, the micro-channel heat exchanger is good in turbulence effect and high in heat exchange efficiency, and the heat exchange coefficient can be improved.

Description

A kind of micro-channel heat exchanger
Technical field
The present invention relates to air-conditioner field, exactly refer to a kind of micro-channel heat exchanger of air-conditioning.
Background technology
Heat exchanger is a kind of energy-saving equipment that between material, heat transmits of realizing between two or more fluid of different temperatures, to make heat pass to by higher fluid the fluid that temperature is lower, make fluid temperature (F.T.) reach flow process set quota, to meet the needs of process condition, also improve one of capital equipment of energy utilization rate simultaneously.
Total institute is known, and at present, traditional fin that existing parallel-flow heat exchanger is used, is generally flake structure, or thin slice adds shutter.Owing to being subject to the restriction of self structure, the heat exchange area of fin is limited, and turbulent effect is bad, and the coefficient of heat transfer is not high, causes the coefficient of heat transfer of whole parallel-flow heat exchanger not reach desirable requirement.
Summary of the invention
For above-mentioned defect, the technical problem that the present invention solves is to provide a kind of micro-channel heat exchanger, can increase the heat exchange area of fin, and turbulent flow is effective, and heat exchange efficiency is high, can improve the coefficient of heat transfer.
In order to solve above technical problem, micro-channel heat exchanger provided by the invention, comprises the first header, the second header, micro-channel tubes and foam fin, wherein:
Described the first header and described the second header are setting up and down, and described the first header both sides are provided with the blocking cap of described the first header of sealing, and described the second header both sides are provided with the blocking cap of described the second header of sealing;
The two ends, left and right of described the first header are provided with inlet tube and outlet, and the middle part of described the first header is also provided with baffler, and described baffler intercepts between described inlet tube and described outlet and is communicated with by described the first header;
Between described the first header and described the second header, be provided with many micro-channel tubes, between described the first header and described the second header, be communicated with by described micro-channel tubes;
In the gas channel forming between adjacent micro-channel tubes between two described in described foam fin is arranged on, described foam fin is provided with air-flow micropore.
Preferably, the air-flow micropore of described foam fin reduces successively along the circulating direction aperture of air-flow.
Preferably, between described foam fin and described micro-channel tubes, be welded to connect by cored solder.
Preferably, described foam fin is alveolate texture.
Preferably, described foam fin is Aluminum Foam.
Preferably, the cross sectional shape of described micro-channel tubes is rectangle, triangle or ellipse.
Preferably, described the first header is provided with multiple bafflers, and described the second header was provided with a header, and the baffler interval on the baffler on described the first header and described the second header arranges.
Preferably, described micro-channel heat exchanger also comprises side plate, and described side plate is arranged on the two ends of described the first header and described the second header.
Compared with prior art, micro-channel heat exchanger provided by the invention, replace original sheet type fin by adopting Aluminum Foam, make heat exchanger there is following advantage: 1, foam fin has very large specific area, when flowing through fluid, this can obtain very large contact area, transfer heat to micro-channel tubes, thus storage power augmentation of heat transfer; 2, the mixing that the irregular passage of foam fin inside can strengthening flow fluid, increases turbulence, and air-flow fluid is mixed mutually, the turbulent flow of strengthening flow fluid; 3, foam fin quality is light, intensity is high, hardness is large, operation and maintenance cost reduces; 4, the pore size of the air-flow micropore of foam fin can be adjusted according to actual needs, and can there be different sizes in aperture in different regions, adapts to different needs.
Brief description of the drawings
Fig. 1 is the structural representation of micro-channel heat exchanger in the embodiment of the present invention.
Detailed description of the invention
For those skilled in the art can understand technical scheme provided by the present invention better, set forth below in conjunction with specific embodiment.
Refer to Fig. 1, this figure is the structural representation of micro-channel heat exchanger in the embodiment of the present invention.
The micro-channel heat exchanger that the embodiment of the present invention provides, comprises the first header 1, the second header 2, micro-channel tubes 3 and foam fin 4, wherein:
The first header 1 and the second header 2 are setting up and down, and blocking cap 10, the second header 2 both sides that the first header 1 both sides are provided with sealing the first header 1 are provided with the blocking cap 10 that seals the second header 2;
The middle part that the two ends, left and right of the first header 1 are provided with inlet tube 8 and outlet 9, the first headers 1 is also provided with baffler 6, and baffler 6 intercepts between inlet tube 8 and outlet 9 and is communicated with by the first header 1;
Between the first header 1 and the second header 2, be provided with between many micro-channel tubes 3, the first headers 1 and the second header 2 and be communicated with by micro-channel tubes 3;
Foam fin 4 is arranged in the gas channel forming between adjacent between two micro-channel tubes 3, and foam fin 4 is provided with air-flow micropore 5.
Foam fin 4 is Aluminum Foam; Foam fin 4 is alveolate texture.Foam fin 4 changes cellular irregular shape into by the conventional regular shape such as sheet shape, window shape, has greatly increased heat exchange area, improves heat exchange efficiency.
The air-flow micropore 5 of foam fin 4 reduces successively along the circulating direction aperture of air-flow, can increase the velocity of liquid assets of air-flow, increases the turbulent flow of air-flow fluid.Foam fin 4 can be according to heat exchange air-flow flow path, and wind resistance from large to small, is reduced in cellular hole windward, ensures distinguished and admirable speed, improves product efficiency of energy utilization.
Between foam fin 4 and micro-channel tubes 3, be welded to connect by cored solder.Cold-producing medium heat in micro-channel tubes 3 can play good heat exchange with foam fin 4.
The cross sectional shape of micro-channel tubes 3 is rectangle, triangle or ellipse, to adapt to the requirement of different product designing requirement and different cold-producing mediums.
Micro-channel heat exchanger also comprises side plate 7, and side plate 7 is arranged on the two ends of the first header 1 and the second header 2.Side plate 7 can play integrally-built support and protective effect.
The operation principle of micro-channel heat exchanger provided by the invention is as follows:
When refrigerant circulation, first enter the left mass flow pathway 1a part of the first header 1 through inlet tube 8, then descending along the micro-channel tubes 3 being connected with this part, flow into the mass flow pathway left half of the second header 2, now, cold-producing medium flows to the mass flow pathway right half of the second header 2 from the mass flow pathway left half of the second header 2, up along the micro-channel tubes 3 being connected with the mass flow pathway right half of the second header 2 afterwards, arrive the right mass flow pathway 1b part of the first header 1, finally flowed out by the outlet 9 of cold-producing medium, complete whole refrigerant circulation.Cold-producing medium micro-channel tubes 3 interior when mobile and foam fin 4 carry out heat exchange, meanwhile, the surface band of airflow passes foam fin 4 is walked heat.
Compared with prior art, micro-channel heat exchanger provided by the invention, replace original sheet type fin by adopting Aluminum Foam, make heat exchanger there is following advantage: 1, foam fin has very large specific area, when flowing through fluid, this can obtain very large contact area, transfer heat to micro-channel tubes, thus storage power augmentation of heat transfer; 2, the mixing that the irregular passage of foam fin inside can strengthening flow fluid, increases turbulence, and air-flow fluid is mixed mutually, the turbulent flow of strengthening flow fluid; 3, foam fin quality is light, intensity is high, hardness is large, operation and maintenance cost reduces; 4, the pore size of the air-flow micropore of foam fin can be adjusted according to actual needs, and can there be different sizes in aperture in different regions, adapts to different needs.
It should be noted that, the first header 1 also can be provided with multiple baffler 6, the second headers 2 and be provided with the baffler 6 on header 6, the first header 1 and the 6 intervals settings of the baffler on the second header 2, can change the loop direction of cold-producing medium, further improve heat exchange efficiency.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (8)

1. a micro-channel heat exchanger, is characterized in that, comprises the first header, the second header, micro-channel tubes and foam fin, wherein:
Described the first header and described the second header are setting up and down, and described the first header both sides are provided with the blocking cap of described the first header of sealing, and described the second header both sides are provided with the blocking cap of described the second header of sealing;
The two ends, left and right of described the first header are provided with inlet tube and outlet, and the middle part of described the first header is also provided with baffler, and described baffler intercepts between described inlet tube and described outlet and is communicated with by described the first header;
Between described the first header and described the second header, be provided with many micro-channel tubes, between described the first header and described the second header, be communicated with by described micro-channel tubes;
In the gas channel forming between adjacent micro-channel tubes between two described in described foam fin is arranged on, described foam fin is provided with air-flow micropore.
2. micro-channel heat exchanger according to claim 1, is characterized in that, the air-flow micropore of described foam fin reduces successively along the circulating direction aperture of air-flow.
3. micro-channel heat exchanger according to claim 1, is characterized in that, between described foam fin and described micro-channel tubes, is welded to connect by cored solder.
4. micro-channel heat exchanger according to claim 3, is characterized in that, described foam fin is alveolate texture.
5. micro-channel heat exchanger according to claim 3, is characterized in that, described foam fin is Aluminum Foam.
6. micro-channel heat exchanger according to claim 1, is characterized in that, the cross sectional shape of described micro-channel tubes is rectangle, triangle or ellipse.
7. micro-channel heat exchanger according to claim 1, it is characterized in that, described the first header is provided with multiple bafflers, and described the second header was provided with a header, and the baffler interval on the baffler on described the first header and described the second header arranges.
8. micro-channel heat exchanger according to claim 1, is characterized in that, also comprises side plate, and described side plate is arranged on the two ends of described the first header and described the second header.
CN201410228176.2A 2014-05-27 2014-05-27 Micro-channel heat exchanger Pending CN103968613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410228176.2A CN103968613A (en) 2014-05-27 2014-05-27 Micro-channel heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410228176.2A CN103968613A (en) 2014-05-27 2014-05-27 Micro-channel heat exchanger

Publications (1)

Publication Number Publication Date
CN103968613A true CN103968613A (en) 2014-08-06

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103837023A (en) * 2012-11-20 2014-06-04 浙江盾安热工科技有限公司 Double-compressor micro-channel heat exchanger
CN104764123A (en) * 2015-03-20 2015-07-08 尚宝龙 Micro-porous pipe radiator wind-free energy storage air conditioner
CN104964486A (en) * 2015-03-16 2015-10-07 清华大学 Heat exchanger suitable for fluid phase change on outer side
CN106150667A (en) * 2016-08-31 2016-11-23 山东同创汽车散热装置股份有限公司 One body swimming chamber device and radiator and the production method of one body swimming chamber device
WO2016192653A1 (en) * 2015-06-03 2016-12-08 丹佛斯微通道换热器(嘉兴)有限公司 Heat exchanger system
CN106532173A (en) * 2015-09-15 2017-03-22 杭州三花研究院有限公司 Heat exchanger and thermal management system for vehicle
CN107883801A (en) * 2017-11-02 2018-04-06 珠海格力电器股份有限公司 Flat heat exchange pipe and micro-channel heat exchanger
WO2019026915A1 (en) * 2017-07-31 2019-02-07 ダイキン工業株式会社 Method for producing heat exchanger

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299954A (en) * 1999-12-10 2001-06-20 三星电子株式会社 Heat-exchange device for cooling circulation and mfg. method thereof
CN1967126A (en) * 2006-04-21 2007-05-23 王磊 Cold heat exchanger
US20080296008A1 (en) * 2004-04-16 2008-12-04 Hyunyoung Kim Heat Transfer Fin for Heat Exchanger
DE102010037114A1 (en) * 2010-08-23 2012-02-23 Kunststoff- Und Blechverarbeitung Burkhardt Gmbh Surface cooling element for refrigeration units, has metal foam body formed on metal sheet of high thermal conductivity, where heat exchanger tubes are foamed in metal foam body
CN102878850A (en) * 2012-09-11 2013-01-16 天津大学 Foam metal fins and porous flat tube micro-channel heat exchanger with foam metal fins
CN102878851A (en) * 2012-09-11 2013-01-16 天津大学 Micro-channel heat exchanger and foam metal fins thereof
CN203837337U (en) * 2014-05-27 2014-09-17 广东志高空调有限公司 Microchannel heat exchanger

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299954A (en) * 1999-12-10 2001-06-20 三星电子株式会社 Heat-exchange device for cooling circulation and mfg. method thereof
US20080296008A1 (en) * 2004-04-16 2008-12-04 Hyunyoung Kim Heat Transfer Fin for Heat Exchanger
CN1967126A (en) * 2006-04-21 2007-05-23 王磊 Cold heat exchanger
DE102010037114A1 (en) * 2010-08-23 2012-02-23 Kunststoff- Und Blechverarbeitung Burkhardt Gmbh Surface cooling element for refrigeration units, has metal foam body formed on metal sheet of high thermal conductivity, where heat exchanger tubes are foamed in metal foam body
CN102878850A (en) * 2012-09-11 2013-01-16 天津大学 Foam metal fins and porous flat tube micro-channel heat exchanger with foam metal fins
CN102878851A (en) * 2012-09-11 2013-01-16 天津大学 Micro-channel heat exchanger and foam metal fins thereof
CN203837337U (en) * 2014-05-27 2014-09-17 广东志高空调有限公司 Microchannel heat exchanger

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103837023A (en) * 2012-11-20 2014-06-04 浙江盾安热工科技有限公司 Double-compressor micro-channel heat exchanger
CN103837023B (en) * 2012-11-20 2019-05-17 浙江盾安热工科技有限公司 Double-compressor micro-channel heat exchanger
CN104964486A (en) * 2015-03-16 2015-10-07 清华大学 Heat exchanger suitable for fluid phase change on outer side
CN104764123A (en) * 2015-03-20 2015-07-08 尚宝龙 Micro-porous pipe radiator wind-free energy storage air conditioner
WO2016192653A1 (en) * 2015-06-03 2016-12-08 丹佛斯微通道换热器(嘉兴)有限公司 Heat exchanger system
CN106532173A (en) * 2015-09-15 2017-03-22 杭州三花研究院有限公司 Heat exchanger and thermal management system for vehicle
CN106150667A (en) * 2016-08-31 2016-11-23 山东同创汽车散热装置股份有限公司 One body swimming chamber device and radiator and the production method of one body swimming chamber device
WO2019026915A1 (en) * 2017-07-31 2019-02-07 ダイキン工業株式会社 Method for producing heat exchanger
JP2019027779A (en) * 2017-07-31 2019-02-21 ダイキン工業株式会社 Method for manufacturing heat exchanger
CN107883801A (en) * 2017-11-02 2018-04-06 珠海格力电器股份有限公司 Flat heat exchange pipe and micro-channel heat exchanger

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Application publication date: 20140806