WO2003085330A1 - Wärmetauscher und heliothermische flachkollekturmodule und verfahren zur herstellung derselben - Google Patents
Wärmetauscher und heliothermische flachkollekturmodule und verfahren zur herstellung derselben Download PDFInfo
- Publication number
- WO2003085330A1 WO2003085330A1 PCT/EP2003/003576 EP0303576W WO03085330A1 WO 2003085330 A1 WO2003085330 A1 WO 2003085330A1 EP 0303576 W EP0303576 W EP 0303576W WO 03085330 A1 WO03085330 A1 WO 03085330A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solder
- zinc
- layer
- difficult
- adhesive layer
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0012—Brazing heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
- F24S10/755—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations the conduits being otherwise bent, e.g. zig-zag
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/14—Heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S2025/6011—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by welding or brazing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/02—Fastening; Joining by using bonding materials; by embedding elements in particular materials
- F28F2275/025—Fastening; Joining by using bonding materials; by embedding elements in particular materials by using adhesives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Definitions
- the present invention relates to heat exchangers and heliothermal flat-collector modules consisting of carrier panels made of zinc, copper or aluminum and capillary tubes made of another, not or only difficult to solder, connected by soldering.
- Conventional heat exchangers and flat collector modules generally consist of a carrier panel and capillary tube coils attached to it. These capillary tubes are located on the back of the metal sheet panel facing away from the radiation and a liquid medium flows through them.
- capillary tubes made of plastics cannot be soldered to metal sheets.
- Adhesives also have the disadvantage that they have low thermal conductivity.
- the soldering of metallic capillary tubes to the panels is also so expensive that this process would be a significant cost factor.
- the present invention is based on the object of providing a heat exchanger which can be produced in a simple manner and of specifying a method which simplifies and reduces the cost of connecting the tubes of heat exchangers and heliothermal flat collector modules to the sheet metal panels.
- pipes made of stainless steel, copper or plastic are to be soldered directly to carrier panels made of zinc, copper or aluminum.
- a heat exchanger and heliothermal flat-collector module with support panels (1) made of zinc, copper or aluminum and at least over partial areas by capillary tubes (2) connected therewith by soldering from another material that is not or only difficult to solder, which thereby characterized in that at least the interconnected subregions made of material which is difficult or difficult to solder have one or more adhesive layers (3), one of the adhesive layers forms an uppermost layer and at least the uppermost layer of the adhesive layers can be soldered.
- the solderable layer consists of zinc with up to 30% by weight of aluminum.
- the aluminum content is in particular 5 to 25% by weight or 10 to 20% by weight.
- the heat exchanger and heliothermal flat collector module according to the present invention has capillary tubes (2) which are made of stainless steel, copper or plastic.
- the invention also relates to a method for producing heat exchangers and heliothermal flat collector modules of the present invention, the method being characterized in that a metallic adhesive layer (3) and the parts are applied at least to the subregions to be connected from materials that are difficult or impossible to solder then be connected together by soldering.
- the metallic adhesive layer (3) consists in particular of zinc or a zinc alloy.
- zinc aluminum is particularly suitable as zinc alloy.
- the zinc layer is applied either by immersion in liquid zinc, but preferably by thermal spraying on the heat exchangers or flat collector modules. In the case of temperature-sensitive materials such as plastic in particular, this zinc layer can be applied by thermal spraying.
- the soldering then takes place with a suitable solder. Tin base solder, for example SnCu 3 , SnZn30 or SnAg, is suitable. If the material of the panels cannot be directly soldered well, this material can also be coated beforehand with a solderable adhesive layer, for example made of zinc or a zinc-aluminum alloy.
- solder required for soldering can in turn be sprayed onto the adhesive layer as a thin layer. If the material is temperature-resistant, the solder can also be applied in liquid form by dipping or electroplating.
- the mechanical strength of the solder joint can be increased in some cases by rolling the layer system after application.
- connection of the capillary tubes to the carrier panels can then be carried out in a particularly simple manner by heating the panels to temperatures above the melting point of the solder and bringing them together with the capillary tubes precoated with zinc or zinc alloy. When it cools down, the permanent solder connection is created immediately.
- Tin base solder is particularly suitable as a solder. According to the invention, however, tin-zinc alloys with up to 50% zinc or tin-copper alloys with up to 14% copper can be used as solder.
- the flux suitable for the respective solder can also be used. For example, the "ZD-Pro" soldering water from Felder Löttechnik is suitable.
- Figure 2 shows schematically in part A the application of an adhesive layer and in part B additionally the application of a solder layer on a capillary tube.
- Figure 3 shows an enlarged view of the connection between the capillary tube and the support panels.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03717277A EP1492984A1 (de) | 2002-04-11 | 2003-04-07 | Wärmetauscher und heliothermische flachkollekturmodule und verfahren zur herstellung derselben |
AU2003221555A AU2003221555A1 (en) | 2002-04-11 | 2003-04-07 | Heat exchanger and flat solar thermal collector modules, and method for the production thereof |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10215901.7 | 2002-04-11 | ||
DE10215901A DE10215901A1 (de) | 2002-04-11 | 2002-04-11 | Wärmetauscher und heliothermische Flachkollektormodule und Verfahren zur Herstellung derselben |
DE10219236 | 2002-04-30 | ||
DE10219236.7 | 2002-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003085330A1 true WO2003085330A1 (de) | 2003-10-16 |
Family
ID=28792835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/003576 WO2003085330A1 (de) | 2002-04-11 | 2003-04-07 | Wärmetauscher und heliothermische flachkollekturmodule und verfahren zur herstellung derselben |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1492984A1 (de) |
AU (1) | AU2003221555A1 (de) |
WO (1) | WO2003085330A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011119823A2 (en) * | 2010-03-25 | 2011-09-29 | Greenoutlet, Llc | Solar heating apparatus |
Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3601573A (en) * | 1969-10-13 | 1971-08-24 | Chrysler Corp | Fluxless argon arc soldering |
US3979042A (en) * | 1975-01-16 | 1976-09-07 | Raytheon Company | Vacuum brazing of nickel to aluminum |
US4023557A (en) * | 1975-11-05 | 1977-05-17 | Uop Inc. | Solar collector utilizing copper lined aluminum tubing and method of making such tubing |
GB2010466A (en) * | 1977-12-14 | 1979-06-27 | Fulton Ltd | Heat Exchanger |
US4161212A (en) * | 1977-01-28 | 1979-07-17 | Martin Marietta Corporation | Pneumatically controlled wide heat load space radiator |
GB2064754A (en) * | 1979-11-29 | 1981-06-17 | Modine Mfg Co | Solar heater |
JPS57209773A (en) * | 1981-06-18 | 1982-12-23 | Nippon Mining Co Ltd | Method for soldering copper or copper alloy fins to titanium tubes for finned heat exchanger |
JPS59150662A (ja) * | 1983-02-16 | 1984-08-28 | Toyo Radiator Kk | 鋼材と銅材との接合方法 |
JPS60127070A (ja) * | 1983-12-15 | 1985-07-06 | Fujitsu Ltd | 接合方法 |
US4615952A (en) * | 1982-10-29 | 1986-10-07 | Norsk Hydro A.S. | Aluminum shapes coated with brazing material and process of coating |
EP0222176A1 (de) * | 1985-11-15 | 1987-05-20 | ARMCO S.p.A. | Wärmetauscher, insbesondere Verdampfer und Verfahren zu seiner Herstellung |
EP0423500A2 (de) * | 1989-10-16 | 1991-04-24 | Helmut Lingemann GmbH & Co. | Verfahren zum Herstellen eines Plattenverflüssigers für eine Kühlmaschine, inbesondere für einen Haushalts-Kühlschrank, sowie insbesondere nach dem Verfahren hergestellter Plattenverflüssiger |
WO1998035191A1 (en) * | 1997-02-10 | 1998-08-13 | Raco S.P.A | Evaporator making method, such evaporator and use thereof |
US5794611A (en) * | 1996-05-24 | 1998-08-18 | Refrigeration Research, Inc. | Solar collector |
DE20022009U1 (de) * | 2000-12-27 | 2001-03-01 | Rheinzink Gmbh | Heliothermischer Flachkollektor-Modul |
DE10017453A1 (de) * | 2000-04-07 | 2001-10-25 | Audi Ag | Verfahren zur Herstellung einer Schweiß- bzw. Lötverbindung |
-
2003
- 2003-04-07 EP EP03717277A patent/EP1492984A1/de not_active Withdrawn
- 2003-04-07 WO PCT/EP2003/003576 patent/WO2003085330A1/de not_active Application Discontinuation
- 2003-04-07 AU AU2003221555A patent/AU2003221555A1/en not_active Abandoned
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3601573A (en) * | 1969-10-13 | 1971-08-24 | Chrysler Corp | Fluxless argon arc soldering |
US3979042A (en) * | 1975-01-16 | 1976-09-07 | Raytheon Company | Vacuum brazing of nickel to aluminum |
US4023557A (en) * | 1975-11-05 | 1977-05-17 | Uop Inc. | Solar collector utilizing copper lined aluminum tubing and method of making such tubing |
US4161212A (en) * | 1977-01-28 | 1979-07-17 | Martin Marietta Corporation | Pneumatically controlled wide heat load space radiator |
GB2010466A (en) * | 1977-12-14 | 1979-06-27 | Fulton Ltd | Heat Exchanger |
GB2064754A (en) * | 1979-11-29 | 1981-06-17 | Modine Mfg Co | Solar heater |
JPS57209773A (en) * | 1981-06-18 | 1982-12-23 | Nippon Mining Co Ltd | Method for soldering copper or copper alloy fins to titanium tubes for finned heat exchanger |
US4615952A (en) * | 1982-10-29 | 1986-10-07 | Norsk Hydro A.S. | Aluminum shapes coated with brazing material and process of coating |
JPS59150662A (ja) * | 1983-02-16 | 1984-08-28 | Toyo Radiator Kk | 鋼材と銅材との接合方法 |
JPS60127070A (ja) * | 1983-12-15 | 1985-07-06 | Fujitsu Ltd | 接合方法 |
EP0222176A1 (de) * | 1985-11-15 | 1987-05-20 | ARMCO S.p.A. | Wärmetauscher, insbesondere Verdampfer und Verfahren zu seiner Herstellung |
EP0423500A2 (de) * | 1989-10-16 | 1991-04-24 | Helmut Lingemann GmbH & Co. | Verfahren zum Herstellen eines Plattenverflüssigers für eine Kühlmaschine, inbesondere für einen Haushalts-Kühlschrank, sowie insbesondere nach dem Verfahren hergestellter Plattenverflüssiger |
US5794611A (en) * | 1996-05-24 | 1998-08-18 | Refrigeration Research, Inc. | Solar collector |
WO1998035191A1 (en) * | 1997-02-10 | 1998-08-13 | Raco S.P.A | Evaporator making method, such evaporator and use thereof |
DE10017453A1 (de) * | 2000-04-07 | 2001-10-25 | Audi Ag | Verfahren zur Herstellung einer Schweiß- bzw. Lötverbindung |
DE20022009U1 (de) * | 2000-12-27 | 2001-03-01 | Rheinzink Gmbh | Heliothermischer Flachkollektor-Modul |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 007, no. 068 (M - 201) 19 March 1983 (1983-03-19) * |
PATENT ABSTRACTS OF JAPAN vol. 008, no. 280 (M - 347) 21 December 1984 (1984-12-21) * |
PATENT ABSTRACTS OF JAPAN vol. 009, no. 286 (M - 429) 13 November 1985 (1985-11-13) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011119823A2 (en) * | 2010-03-25 | 2011-09-29 | Greenoutlet, Llc | Solar heating apparatus |
WO2011119823A3 (en) * | 2010-03-25 | 2012-02-02 | Greenoutlet, Llc | Solar heating apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP1492984A1 (de) | 2005-01-05 |
AU2003221555A1 (en) | 2003-10-20 |
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