CN103128519B - Manufacture method of micro-channel heat exchanger and device - Google Patents
Manufacture method of micro-channel heat exchanger and device Download PDFInfo
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- CN103128519B CN103128519B CN201310080896.4A CN201310080896A CN103128519B CN 103128519 B CN103128519 B CN 103128519B CN 201310080896 A CN201310080896 A CN 201310080896A CN 103128519 B CN103128519 B CN 103128519B
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- heat exchanger
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- channel heat
- flat tube
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Abstract
The invention discloses a manufacture method of a micro-channel heat exchanger and a device in the technical field of heat exchange devices. Firstly, a framework of the micro-channel heat exchanger is formed through a cold extruding process, then, fins are tightly fixed in the framework of the micro-channel heat exchanger through an assembling mechanism, finally, glue is coated at the contact positions of finned flat tubes, and the micro-channel heat exchanger is manufactured. The micro-channel heat exchanger comprises the framework of the heat exchanger and a plurality of fins, wherein the framework of the heat exchanger is composed of collecting mains and the flat tubes, the fins are arranged on the framework of the heat exchanger, conduits which are used for being inserted into the flat tubes are arranged on the collecting mains and a plurality of micro-channel structures are arranged inside the flat tubes. The manufacture method of the micro-channel heat exchanger and the device solve the problem of high energy consumption in the manufacture process of the micro-channel heat exchanger, production consumption is saved, and cost of the heat exchanger is reduced.
Description
Technical field
What the present invention relates to is a kind of method and device of technical field of heat exchange devices, specifically a kind of micro-channel heat exchanger manufacturing method and apparatus.
Background technology
Micro-channel heat exchanger is a kind of high-performance heat exchanger adopting full aluminum to make, and its flat tube adopts MCA, can strengthen condensation and boiling heat transfer, significantly improve refrigerant side heat exchange efficiency; Its fin adopts efficient heat exchange fin as shutter pattern, and fenestration can make air flow boundary layer periodic interruptions, play the guiding role to air stream simultaneously, realizes air side enhanced heat exchange.Micro-channel heat exchanger has lightweight, compact conformation, the advantage that heat exchange efficiency is high, and substituting copper product (national strategy reserved resources) has cost advantage; Meanwhile, the feature that its internal capacity is little, is conducive to greatly reducing refrigerant charge, meets the trend of energy-conserving and environment-protective
The processing of current micro-channel heat exchanger mainly adopts integral braze-welded technique, and the complete heat exchanger of assembling is placed in soldering oven pipe racks, completes welding through degreasing, spray, oven dry, soldering, water-cooled, the operation such as air-cooled.Integral braze-welded to require heat exchanger to assemble before entering soldering oven complete, and use square steel or strapping heat exchanger to carry out tying up fixing.If it is improper that power of tying up controls, easily cause rosin joint in brazing process or fall the phenomenons such as wing.If Control for Kiln Temperature is improper, header and flat tube can be caused not to weld.The more important thing is, soldering furnace temperature requires very strict, and maximum temperature, more than 600 DEG C, needs to continue to consume mass energy.
Cold extrusion is that metal blank is placed in cold extrusion die cavity, at room temperature, applies pressure by punch fixing on forcing press to blank, forces gold bits block material to produce the processing method of plastic flow deformation and obtained part.Cold-extruded is pressed with and saves material, raises labour efficiency, improves piece surface precision and mechanical property, reduces the advantages such as cost of parts.The more important thing is, compare soldering processes, cold extrusion does not need heated metal material, can save a large amount of energy.
Summary of the invention
The present invention is directed to prior art above shortcomings, propose a kind of micro-channel heat exchanger manufacturing method and apparatus, solve the high energy consumption problem in micro-channel heat exchanger manufacture process, saved energy consumption, reduced heat exchanger cost.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of micro-channel heat exchanger manufacture method, first cold-extrusion technology is adopted to carry out shaping to micro-channel heat exchanger framework, then be closely fixed in micro-channel heat exchanger framework by assemble mechanism by fin, the most backward fin flat tube contact position gluing, makes micro-channel heat exchanger.
Described cold-extrusion technology refers to: after the two ends of some flat tubes of micro-channel heat exchanger framework respectively vertical insertion two headers, micro-channel heat exchanger framework is put into cold extrusion die cavity, by punch fixing on forcing press, pressure is applied to flat tube header junction, the aluminium bits of joint portion are made to produce plastic flow deformation, fill up the gap of flat tube and header insertion groove, thus make micro-channel heat exchanger inside form airtight cavity.
Described assemble mechanism comprises: with assembling frame and the gluing head that is movably set in frame of fixture, wherein: the built-in motor be connected with controller of gluing head, realize automation two dimension gluing by the assembling frame that is movably set in crossbar structure, fixture be made up of limited block and comb is fixedly installed on the bottom of assembling frame.
The quantity of described limited block is 6, and contacting with four lateral surfaces of micro-channel heat exchanger framework respectively inside it also, implementation framework is spacing; Described comb is arranged at the interior zone of limited block and contacts with fin, realizes fin spacing.
The width of described comb is 5mm.
Described closely fixedly to refer to: on assembly bench micro-channel heat exchanger framework being placed in assemble mechanism and use clamp; Then rise two pairs of comb between the flat tube of two, side, make flat tube spacing become large a little, finally put into fin and pack up comb, realize the assembling of fin between every two flat tubes successively.
Because fin width is larger than flat tube spacing, both can form more stable cooperation.
Described gluing refers to: control gluing head by controller, and a line of flat tube and fin contacts is coated with heat conduction viscose; And connect according to the glue of put in order all flat tubes and the fin of flat tube.
The present invention relates to the micro-channel heat exchanger that said method prepares, comprise: the heat exchanger frame that header and flat tube form and the some fins be arranged in heat exchanger frame, wherein: header is provided with the conduit for inserting flat tube, flat tube inside is containing multiple MCA.
Gap between described fin and header is provided with anticorrosive, and this anticorrosive is preferably sponge or plastics, contacts to prevent fin the electrochemical corrosion formed with header.
Described fin is formed by surface treated aluminum foil rolling, fin width 0.01-0.03mm larger than flat tube spacing, can be shutter form also can be other high-efficiency fin form.
Described surface treatment adopts the various existing surface treatment applying coating extensively adopted in air conditioner industry to realize.
Technique effect
Compared with existing micro-channel heat exchanger manufacture, the invention has the advantages that: cold-extrusion technology can connect header and flat tube, complete the shaping of micro-channel heat exchanger framework, avoid the high energy consumption of soldering, eliminate the main equipments such as soldering oven, improve production efficiency and reduce cost.Adopt viscose material instead of welding to connect fin and flat tube, making to carry out surface treatment to fin has had possibility.Fin raw material can use hydrophilic (or hydrophobic) aluminium foil as required, improve heat exchanger draining, frosting, anticorrosion and Soot Performance.
Accompanying drawing explanation
Fig. 1 is micro-channel heat exchanger block schematic illustration;
Fig. 2 is micro-channel heat exchanger assembly bench axonometric drawing;
Fig. 3 is micro-channel heat exchanger assembly bench top view;
Fig. 4 is micro-channel heat exchanger assembly bench front view;
Fig. 5 is the micro-channel heat exchanger assembly bench axonometric drawing of band heat exchanger;
Fig. 6 is micro-channel heat exchanger schematic diagram;
In figure: 10 micro-channel heat exchanger frameworks, 20 micro-channel heat exchanger assembly bench, 30 micro-channel heat exchangers, 1 header, 2 flat tubes, 3 fins, 4 aptery sections, 5 header insertion grooves, 21 base plates, 22 supports, 23,24 guide rails, 25 gluing heads, 26 comb (collapsed state), 27 comb (raised configuration), 28 positioning fixtures.
Detailed description of the invention
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment relates to a kind of micro-channel heat exchanger framework 10 and comprises: header 1 and flat tube 2, wherein: constant depth in the insertion groove 5 of header 1 is inserted in the end of flat tube 2.Micro-channel heat exchanger framework 10 is put into cold extrusion die cavity, by punch fixing on forcing press, pressure is applied to header insertion groove 5 place, the aluminium bits of joint portion are made to produce plastic flow deformation, fill up the gap between flat tube 2 and header insertion groove 5, thus make micro-channel heat exchanger framework 10 form airtight cavity.
As shown in Figure 5, micro-channel heat exchanger framework 10 is joined at the enterprising luggage of assembly bench 20.Micro-channel heat exchanger framework 10 is placed on assembly bench 20, is fixedly clamped with positioning fixture 28.Rise two pairs of comb 27 between the flat tube of two, side, flat tube spacing is increased a little, then puts into fin 3, pack up comb 27.In order, the assembling of fin 3 between every two flat tubes is realized successively; Because fin 3 width is larger than flat tube spacing, both can form more stable cooperation.After completing the assembling of whole fin 3 and flat tube, by gluing head 25 to contact position gluing with flat tube of fin 3.
Concrete method is: described gluing head 25, by programme-control, the line contacted with fin 3 at flat tube is coated with heat conduction viscose.According to the order of flat tube, the glue completing all flat tubes and fin 3 connects.
As shown in Figure 6, the place of inserting comb 27 when the micro-channel heat exchanger 30 assembled assembles forms aptery section 4, at central filler sponge or plastics, effectively prevent fin 3 and contacts with header 1 electrochemical corrosion formed.
As shown in Figure 1, described header 1 can be, but not limited to D type, O type or Type B.
As shown in Figure 1, described flat tube 2 can be, but not limited to extruding flat tube or folding flat tube, and this flat tube 2 inside is containing multiple MCA, and MCA does not also limit shape.
As shown in Figure 2, described micro-channel heat exchanger assembly bench 20 comprises: base plate 21, support 22, guide rail 23,24, gluing head 25, comb 26,27 and positioning fixture 28, wherein: base plate 21 can be fixed in table surface or other plane, guide rail 23 can slide and realize location on guide rail 24, gluing head 25 can slide and realize location on guide rail 23, comb 2627 can stretch out income base plate 21, and positioning fixture 28 can move as required and fix heat exchanger to be assembled.
As shown in Figure 5, described fin 3 is formed by surface treated aluminum foil rolling, can be shutter form also can be other high-efficiency fin form.Fin width 0.01-0.03mm larger than flat tube spacing.
Claims (7)
1. a micro-channel heat exchanger manufacture method, it is characterized in that, first adopt cold-extrusion technology to carry out shaping to micro-channel heat exchanger framework, then by assemble mechanism, fin is closely fixed in micro-channel heat exchanger framework, the most backward fin flat tube contact position gluing, makes micro-channel heat exchanger;
Described assemble mechanism comprises: with assembling frame and the gluing head that is movably set in frame of fixture, wherein: the built-in motor be connected with controller of gluing head, realize automation two dimension gluing by the assembling frame that is movably set in crossbar structure, fixture be made up of limited block and comb is fixedly installed on the bottom of assembling frame;
Described cold-extrusion technology refers to: after the two ends of some flat tubes of micro-channel heat exchanger framework respectively vertical insertion two headers, micro-channel heat exchanger framework is put into cold extrusion die cavity, by punch fixing on forcing press, pressure is applied to flat tube header junction, the aluminium bits of joint portion are made to produce plastic flow deformation, fill up the gap of flat tube and header insertion groove, thus make micro-channel heat exchanger inside form airtight cavity;
Described closely fixedly to refer to: on assembly bench micro-channel heat exchanger framework being placed in assemble mechanism and use clamp; Then rise two pairs of comb between the flat tube of two, side, make flat tube spacing become large a little, finally put into fin and pack up comb, realize the assembling of fin between every two flat tubes successively.
2. method according to claim 1, is characterized in that, the quantity of described limited block is 6, and contacting with four lateral surfaces of micro-channel heat exchanger framework respectively inside it also, implementation framework is spacing; Described comb is arranged at the interior zone of limited block and contacts with fin, realizes fin spacing.
3. method according to claim 1, is characterized in that, the width of described comb is 5mm.
4. method according to claim 1, is characterized in that, described gluing refers to: control gluing head by controller, and a line of flat tube and fin contacts is coated with heat conduction viscose; And connect according to the glue of put in order all flat tubes and the fin of flat tube.
5. the micro-channel heat exchanger that method prepares according to above-mentioned arbitrary claim, it is characterized in that, comprise: the heat exchanger frame that header and flat tube form and the some fins be arranged in heat exchanger frame, wherein: header is provided with the conduit for inserting flat tube, flat tube inside is containing multiple MCA;
Gap between described fin and header is provided with anticorrosive.
6. heat exchanger according to claim 5, is characterized in that, described anticorrosive is sponge or plastics, contacts to prevent fin the electrochemical corrosion formed with header.
7. heat exchanger according to claim 5, is characterized in that, described fin is formed by surface treated aluminum foil rolling, fin width 0.01-0.03mm larger than flat tube spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310080896.4A CN103128519B (en) | 2013-03-14 | 2013-03-14 | Manufacture method of micro-channel heat exchanger and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310080896.4A CN103128519B (en) | 2013-03-14 | 2013-03-14 | Manufacture method of micro-channel heat exchanger and device |
Publications (2)
| Publication Number | Publication Date |
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| CN103128519A CN103128519A (en) | 2013-06-05 |
| CN103128519B true CN103128519B (en) | 2015-05-27 |
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| CN201310080896.4A Expired - Fee Related CN103128519B (en) | 2013-03-14 | 2013-03-14 | Manufacture method of micro-channel heat exchanger and device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148718A (en) * | 2013-03-15 | 2013-06-12 | 上海交通大学 | Microchannel heat exchanger |
| CN105458640B (en) * | 2016-01-25 | 2018-03-02 | 淄博鼎电电力设备有限公司 | A kind of aluminium alloy radiating fin of transformer clamp system and technological process |
| CN108941816B (en) * | 2018-08-22 | 2020-12-18 | 青岛海信日立空调系统有限公司 | Machining device for heat exchanger and machining method for heat exchanger |
| CN109916147A (en) * | 2019-03-22 | 2019-06-21 | 国兴(东莞)新能源科技有限公司 | A kind of soft-package battery high vacuum microchannel de-watering apparatus |
| CN110044119B (en) * | 2019-04-15 | 2021-11-19 | 合肥华凌股份有限公司 | Heat exchange assembly and refrigeration equipment with same |
| CN110793182B (en) * | 2019-11-15 | 2021-03-19 | 河南机电职业学院 | Air conditioner core assembling equipment for automobile production |
| CN111922218A (en) * | 2020-07-31 | 2020-11-13 | 珠海格力电器股份有限公司 | Flat pipe and fin clamping and pressing device, manufacturing method and micro-channel heat exchanger |
| CN116255839A (en) * | 2021-12-09 | 2023-06-13 | 杭州三花微通道换热器有限公司 | Heat exchanger machining method and machining device for heat exchanger |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4150720A (en) * | 1976-04-29 | 1979-04-24 | Imperial Chemical Industries Limited | Heat exchanger |
| DE3072155D1 (en) * | 1980-03-05 | 1989-07-06 | Licencia Talalmanyokat | Process for manufacturing finned heat-exchangers |
| US4601089A (en) * | 1983-10-21 | 1986-07-22 | Pal Gal | Process for the manufacture of heat-exchanger elements of strip-finned heat-exchangers |
| JPS6141777A (en) * | 1984-08-06 | 1986-02-28 | Sumitomo Light Metal Ind Ltd | Manufacture of heat exchanger |
| DE3724675A1 (en) * | 1987-07-25 | 1989-02-02 | Heraeus Elektroden | Heat exchanger |
| JPH01266931A (en) * | 1988-04-18 | 1989-10-24 | Showa Alum Corp | Manufacture of heat exchanger |
| US4960169A (en) * | 1989-06-20 | 1990-10-02 | Modien Manufacturing Co. | Baffle for tubular heat exchanger header |
| US6830100B2 (en) * | 2001-11-02 | 2004-12-14 | Thermalex, Inc. | Extruded manifold |
| KR100540810B1 (en) * | 2002-12-11 | 2006-01-11 | 엘지전자 주식회사 | Micro Channel Heat Exchanger |
| CN101634527B (en) * | 2009-04-07 | 2013-02-20 | 三花控股集团有限公司 | Microchannel heat exchanger |
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2013
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Granted publication date: 20150527 Termination date: 20180314 |