WO2012059231A1 - Échangeur de chaleur - Google Patents

Échangeur de chaleur Download PDF

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Publication number
WO2012059231A1
WO2012059231A1 PCT/EP2011/005551 EP2011005551W WO2012059231A1 WO 2012059231 A1 WO2012059231 A1 WO 2012059231A1 EP 2011005551 W EP2011005551 W EP 2011005551W WO 2012059231 A1 WO2012059231 A1 WO 2012059231A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
pipe
exchanger according
adhesive
section
Prior art date
Application number
PCT/EP2011/005551
Other languages
German (de)
English (en)
Inventor
Laurentino Oskar Cabero
Original Assignee
Cabero Wärmetauscher Gmbh & Co. Kg
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 Cabero Wärmetauscher Gmbh & Co. Kg filed Critical Cabero Wärmetauscher Gmbh & Co. Kg
Priority to EP11782057.1A priority Critical patent/EP2635389A1/fr
Publication of WO2012059231A1 publication Critical patent/WO2012059231A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/10—Adhesive or cemented joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/10—Adhesive or cemented joints
    • F16L13/103—Adhesive joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/10—Adhesive or cemented joints
    • F16L13/11—Adhesive or cemented joints using materials which fill the space between parts of a joint before hardening
    • F16L13/116—Adhesive or cemented joints using materials which fill the space between parts of a joint before hardening for socket pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • 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

Definitions

  • the present invention relates to a heat exchanger having a plurality of heat exchanger tubes through which at least substantially parallel to each other and are preferably connected at its surface with heat transfer elements, wherein each two heat exchanger tubes end by means of a
  • flow-through pipe bend are fluidly connected together.
  • the heat exchanger tubes and the pipe bends are usually made of copper, wherein the heat exchanger tubes and the pipe bends are typically soldered together.
  • Such a kind of construction generic
  • Heat exchanger has proven in practice in the sense, as in this way durable solid and dense connections of the
  • Heat exchanger tubes and pipe bends can be produced with each other. However, such heat exchangers are due to the
  • Plug-in part of the pipe joint forms.
  • a viscous adhesive is forced through the applicator, which is the
  • Adhesive ström limited and directed to predetermined, located on the surface of the pipe sections bodies. The pipe section is then removed from the applicator and that with adhesive
  • Heat exchanger tubes connected by means of an adhesive connection
  • each of the pipe bend and the heat exchanger tube overlap each other by immersing an inner pipe section in an outer pipe section;
  • Pipe section and the outer pipe section an annular, at least predominantly filled with adhesive cavity executed; the cavities are axially limited by areas in which the respective inner and outer pipe sections abut each other.
  • the Heat exchanger tubes can be made of a less expensive material than copper (especially aluminum), without this, the effect on the function and life of the heat exchanger adversely affected.
  • copper especially aluminum
  • the effect on the function and life of the heat exchanger adversely affected.
  • the longevity and reliability is of importance that between the respective parts to be joined together, ie the heat exchanger tube and the pipe bend, in the overlap region, an annular cavity, the
  • Heat exchanger tube and elbow after the mating of the two parts it is also possible in particular numerous parts from which the heat exchanger in question is constructed,
  • Adhesive are filled.
  • Heat exchanger before - by subsequent bonding taking place - fixation can be made, manufacturing tolerances of the items (including those of the heat transfer plates or other heat transfer elements) are taken into account or compensated only in mated, not yet bonded structure, so that the bonds caused by the subsequent filling of the
  • heat exchangers can be realized in which the heat exchanger tubes and pipe elbows, without being soldered together, are permanently sealed together. This in turn allows the use of a difficult or impossible solderable material, in particular for the heat exchanger tubes, which in the context of the present invention is preferably used in that the heat exchanger tubes are made of aluminum.
  • the inner and the outer tube section are free of play in the two abutment regions axially delimiting the respective annular cavity, preferably with a defined fit against one another. This is because it ensures the exact positioning of the pipe sections to each other during assembly, in manufacturing technology
  • the outer tube section has two conical sections which widen in the direction of the center of the annular cavity
  • the cavities serving to receive the adhesive are formed by the special shape of the respective outer tube section, while the respective inner tube sections can be made cylindrical in the overlapping region. This is advantageous in terms of flow, wherein at the same time the conical design of the outer pipe section on both sides in the overlapping area is advantageous with regard to a durable mechanical strength and tightness of the adhesive bond.
  • At least one opening provided in the outer pipe section opens into the cavity.
  • openings that can each other in particular substantially diametrically opposite.
  • the opening facing the adhesive-filling opening serves to control the filling and the discharge of air and excess adhesive; this comes Namely because the risk of air bubbles is significantly reduced, the quality of the adhesive joints benefit.
  • the adhesive is filled from below, through a lower opening in said cavity and the air initially in the cavity by an opposite, that is. overhead
  • a cylindrical tube section whose axial length particularly preferably at least 25% of the diameter of the
  • cylindrical pipe section amounts. Again, this is an advantageous aspect in terms of production engineering, because the cylindrical pipe section when mating the two
  • the function-specific optimization can relate both to the design of the adhesive material to be filled annulus, as well as the selection of adhesives.
  • the respective outer pipe sections of the connecting portions are formed on the heat exchanger tubes, it proves to be advantageous both in terms of cost-effective production of the components as well as in terms of ease of installation, if the pipe bends each two outer
  • each end are inserted into the associated pipe bends.
  • the heat exchanger tubes are made of aluminum, particularly preferably also made of aluminum. This is advantageous because in this case the heat exchanger tubes and the tube bends have the same thermal expansion properties, which benefits the life of the bonds.
  • the pipe bends may well also be made of a different material, for example of plastic. This is advantageous if in the area of the pipe bends targeted heat transfer to the environment should be prevented as much as possible.
  • Heat exchangers according to the present invention can be with
  • Heat exchanger tubes achieve cost advantages over the prior art. Also, the greater flexibility in terms of the materials used to make the heat exchanger tubes and bends is an important aspect. Because the inventive design of the compounds of the heat exchanger tubes and the pipe bends with each other leaves specific, f-optimized
  • the heat exchanger shown in the drawing comprises a
  • Heat exchanger tubes 1 arranged heat transfer elements 2 in the form of heat transfer plates 3. The latter are connected in a manner known as such with the heat exchanger tubes 1 at the surface of heat-conducting. In each case two heat exchanger tubes 1 are at the end by means of a flow-through pipe bend. 4
  • the existing aluminum pipe bends 4 are associated with the two respectively, also made of aluminum
  • Heat exchanger tubes 1 by means of an adhesive connection 5 tightly and mechanically firmly connected. For this purpose, each overlap the pipe bend 4 and the heat exchanger tube 1 in the region of their connection to each other by an inner pipe section 6, in this
  • Embodiment is carried out on the relevant heat exchanger tube 1, in an outer tube section 7, the
  • Overlap area 8 executed. This is followed by a cavity 10 limiting, widening first cone portion 13, which merges into a more or less cylindrical central portion 14. The latter is followed by a further limiting the cavity 10 second, tapered cone portion 15, which merges into a cylindrical guide portion 16, whose
  • Heat exchanger tube 1 corresponds. Finally, the outer tube section 7, i. in this case, the pipe bend 4 at the end of a widening 17.
  • Heat exchanger tubes Filling the between the heat exchanger tubes 1 and the pipe bends 4 in the respective overlapping areas 8 existing cavities 10 with adhesive.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention porte sur un échangeur de chaleur comprenant une pluralité de tubes d'échangeur de chaleur (1) pouvant être parcourus par un courant, qui s'étendent au moins sensiblement parallèlement entre eux, dans lequel les deux tubes d'échange de chaleur de chaque paire sont reliés en bout pour la circulation d'un courant au moyen d'un coude de tube (4) pouvant être parcouru par un courant. A cet effet, les coudes de tubes (4) sont raccordés chacun aux deux tubes d'échangeur de chaleur associés (1) au moyen d'un assemblage collé (5) et, dans la région de leur assemblage, chaque coude de tube (4) et le tube d'échange de chaleur (1) se recouvrent mutuellement, en ce sens qu'un segment de tube intérieur (6) est engagé dans un segment de tube extérieur (7). Dans chaque région de recouvrement (8), il existe entre le segment de tube intérieur (6) et le segment de tube extérieur (7) une cavité annulaire (10) qui est remplie au moins en majeure partie d'une colle (9), les cavités (10) étant limitées axialement par des régions dans lesquelles le segment de tube intérieur et le segment de tube extérieur (6 ; 7) sont en contact.
PCT/EP2011/005551 2010-11-06 2011-11-03 Échangeur de chaleur WO2012059231A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11782057.1A EP2635389A1 (fr) 2010-11-06 2011-11-03 Échangeur de chaleur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202010015200.3 2010-11-06
DE202010015200U DE202010015200U1 (de) 2010-11-06 2010-11-06 Wärmetauscher

Publications (1)

Publication Number Publication Date
WO2012059231A1 true WO2012059231A1 (fr) 2012-05-10

Family

ID=43799202

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/005551 WO2012059231A1 (fr) 2010-11-06 2011-11-03 Échangeur de chaleur

Country Status (3)

Country Link
EP (1) EP2635389A1 (fr)
DE (1) DE202010015200U1 (fr)
WO (1) WO2012059231A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012142071A1 (fr) * 2011-04-12 2012-10-18 Carrier Corporation Échangeur de chaleur
DE102022201552A1 (de) 2022-02-15 2023-08-17 BSH Hausgeräte GmbH Rohrvorrichtung für ein Haushaltskältegerät mit einer Klebeverbindung aus einem anaeroben, einkomponentigen Klebstoff, Haushaltskältegerät sowie Verfahren

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1926460A (en) * 1930-05-29 1933-09-12 Fedders Mfg Co Inc Tubing
CH402532A (de) * 1963-07-23 1965-11-15 Arfa Roehrenwerke Ag Rohrverbindung zwischen zwei Rohren
DE1525743A1 (de) 1966-07-19 1969-03-13 Minnesota Mining & Mfg Verfahren und Geraet zum Herstellen geklebter Rohrverbindungen
US3822464A (en) * 1973-03-26 1974-07-09 Gen Electric Method of joining a tube to a roll forged sheet
US3909045A (en) * 1974-10-10 1975-09-30 Gen Electric Tubing joint for adhesive bonding
DE2551066B1 (de) * 1975-11-13 1977-05-05 Vahlbrauk Karl Heinz Verfahren zum verbinden von mit einem kunststoff beschichteten metallteilen, insbesondere zum verbinden von rohrenden
US4696499A (en) * 1980-06-25 1987-09-29 Butler Taper Joint Mechanical pipe joint and method of forming the same
US5211221A (en) * 1991-11-26 1993-05-18 Mccord Heat Transfer Method and apparatus for joining coolant tubes of a heat exchanger

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1926460A (en) * 1930-05-29 1933-09-12 Fedders Mfg Co Inc Tubing
CH402532A (de) * 1963-07-23 1965-11-15 Arfa Roehrenwerke Ag Rohrverbindung zwischen zwei Rohren
DE1525743A1 (de) 1966-07-19 1969-03-13 Minnesota Mining & Mfg Verfahren und Geraet zum Herstellen geklebter Rohrverbindungen
US3822464A (en) * 1973-03-26 1974-07-09 Gen Electric Method of joining a tube to a roll forged sheet
US3909045A (en) * 1974-10-10 1975-09-30 Gen Electric Tubing joint for adhesive bonding
DE2551066B1 (de) * 1975-11-13 1977-05-05 Vahlbrauk Karl Heinz Verfahren zum verbinden von mit einem kunststoff beschichteten metallteilen, insbesondere zum verbinden von rohrenden
US4696499A (en) * 1980-06-25 1987-09-29 Butler Taper Joint Mechanical pipe joint and method of forming the same
US5211221A (en) * 1991-11-26 1993-05-18 Mccord Heat Transfer Method and apparatus for joining coolant tubes of a heat exchanger

Also Published As

Publication number Publication date
DE202010015200U1 (de) 2011-03-17
EP2635389A1 (fr) 2013-09-11

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