EP2299230A1 - Caloporteur - Google Patents

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Publication number
EP2299230A1
EP2299230A1 EP09290706A EP09290706A EP2299230A1 EP 2299230 A1 EP2299230 A1 EP 2299230A1 EP 09290706 A EP09290706 A EP 09290706A EP 09290706 A EP09290706 A EP 09290706A EP 2299230 A1 EP2299230 A1 EP 2299230A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
tube
fastening device
collecting tube
collecting
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.)
Withdrawn
Application number
EP09290706A
Other languages
German (de)
English (en)
Inventor
Lionel Faure
Christophe Lohmann
Sébastien Gerard
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.)
Mahle Behr France Hambach SAS
Original Assignee
Behr France Hambach SARL
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 Behr France Hambach SARL filed Critical Behr France Hambach SARL
Priority to EP09290706A priority Critical patent/EP2299230A1/fr
Publication of EP2299230A1 publication Critical patent/EP2299230A1/fr
Withdrawn legal-status Critical Current

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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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • 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
    • F28D1/053—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 straight
    • F28D1/0535—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 straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/0243—Header boxes having a circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/16—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes extruded

Definitions

  • the present invention relates to a heat exchanger according to the preamble of claim 1, an automotive air conditioning system and a method for producing a heat exchanger according to the preamble of claim 10.
  • Heat exchangers are used for various applications for tempering a fluid, ie for heating or for cooling a fluid.
  • a refrigerant condenser is used to cool and condense refrigerant by releasing heat to the ambient air of the motor vehicle.
  • the heat exchanger generally consists of flat tubes, which are arranged one above the other and each open at both ends by means of tube openings in a manifold.
  • generally two flanges are arranged as fastening devices and a supply line on the collecting tube.
  • the manifold, the two flanges and the supply line are initially prepared as separate components and then connected by soldering in a soldering oven.
  • soldering oven In a disadvantageous and expensive manner so many different components must be made for the heat exchanger and these are connected together in the brazing furnace. This is costly and can lead to manufacturing errors.
  • the object of the present invention is therefore to provide a heat exchanger, an automotive air conditioning system and a method for producing a heat exchanger available, in which due to a small number of components of the heat exchanger, the production can be performed simply, safely and inexpensively.
  • a heat exchanger in particular a refrigerant condenser for an automotive air conditioning system, comprising at least one tube, in particular a flat tube, for passing a fluid to be tempered, in particular to be cooled, in particular a refrigerant, at least one collecting tube, in particular two collecting tubes, for fluidly connecting the at least a tube, at least one fastening device for the heat exchanger, wherein each a collecting tube and the at least one fastening device as a, preferably only one, component are made.
  • the at least one collecting tube and the at least one fastening device arranged thereon are thus manufactured in the production as a unitary component, so that as a result the fastening device does not have to be separately connected to the collecting tube. This can be avoided mistakes in fixing the fastening device to the manifold and the cost of attaching or fixing the fastening device can be saved on the manifold during manufacture.
  • the at least one fastening device is fixed to the at least one collecting tube, in particular to the effect that at least a fastening device and the at least one collecting tube cohesively, preferably without a connecting seam, are connected to the same material from which the at least one fastening device and the at least one collecting tube is made.
  • the at least one fastening device and the at least one collecting tube are produced as one component, so that a material-locking connection exists between the collecting tube and the at least one fastening device.
  • no connection or soldering seam occurs, which arises in a subsequent connection of the fastening device to the manifold, for example during soldering.
  • the respective one collecting tube and the at least one fastening device arranged thereon thus form a unitary component that consists overall of the same material.
  • the at least one fastening device is a web, a tab or a flange and / or an inlet opening or an outlet opening is formed on the at least one collecting tube. Due to the formation of an inlet opening or an outlet opening on the manifold advantageously no separate supply line is needed at the heat exchanger.
  • the fluid to be tempered, d. H. a fluid to be heated or to be cooled can thus be introduced into the inlet opening at a collecting pipe and discharged to an outlet opening at another collecting pipe.
  • the at least one fastening device has a recess, for.
  • a recess for.
  • a hole for positive and / or non-positive attachment to a frame of a motor vehicle.
  • the heat exchanger can be attached, for example, to a body of a motor vehicle.
  • a screw or a rivet can be used as a fastening means.
  • the heat exchanger consists at least partially, in particular completely, of metal, in particular aluminum.
  • ribs in particular corrugated ribs, are arranged between two tubes to increase the surface area of the heat transfer.
  • components of the heat transfer in particular the at least one tube, which is at least one collecting tube with the at least one fastening device or the ribs, plated by means of solder.
  • the components of the heat transfer are plated with a solder to connect the components in a brazing furnace by means of soldering. Before soldering, the components must first be mechanically joined together and can then be bonded in the soldering furnace by soldering.
  • the components of the heat exchanger by means of the plated solder cohesively, in particular by means of soldering, connected to each other.
  • An automotive air conditioning system comprises a heat exchanger described in this patent application.
  • Method according to the invention for producing a heat exchanger comprising the steps of: providing at least one tube, in particular flat tube, for passing a fluid to be tempered, in particular to be cooled, in particular a refrigerant, at least one collecting tube , in particular of two collecting pipes, for fluid-connecting the at least one pipe, providing at least one fixing device for the heat exchanger, Connecting the at least one tube and the at least one header together so that they are mechanically interconnected and there is a fluid conducting connection between the at least one tube and the at least one header and fixing the at least one fixture to the at least one header, the at least one Fastening device is fixed to the at least one collecting tube by the at least one fastening device and the at least one collecting tube as a, preferably only one, component are produced.
  • the at least one fastening device and the at least one collecting tube are manufactured as one component, so that no separate fixing of the fastening device to the collecting tube is required thereby.
  • the at least one tube and / or the at least one collecting tube is made available by the at least one tube and / or the at least one collecting tube being produced by means of extrusion.
  • the at least one fastening device and the at least one collecting tube are produced by means of extrusion.
  • the at least one fastening device and the at least one collecting tube are made of metal, in particular aluminum or steel.
  • At least one recess for.
  • a slot a hole or a slot, incorporated after the extrusion.
  • the at least one recess is machined, z. B. by drilling or milling, and / or incorporated by punching.
  • components of the heat transfer in particular the at least one tube, the at least one collecting tube with the at least one fastening device or the ribs, connected by means of soldering, for example in a brazing furnace, and / or the at least one collecting tube is produced with the at least one fastening device, before the at least one tube is connected to the at least one collecting tube, in particular by means of soldering.
  • the motor vehicle air conditioning system comprises a housing and / or a blower and / or a refrigerant evaporator and / or a compressor and / or a heating device and / or a control unit.
  • Fig. 3 a designed as a refrigerant condenser 2 inventive heat exchanger 1 is shown in a front view.
  • the refrigerant condenser 2 is part of an automotive air conditioning system with an evaporator and a compressor (not shown).
  • By horizontally arranged, designed as a flat tubes 5 tubes 3 flows to be condensed and to be cooled refrigerant.
  • the tubes 3 open at their respective ends in a vertical manifold 4, that is, there are two manifolds 4 respectively at the ends of the tubes 3.
  • the manifold 4 has tube openings 6 through which the flat tubes 5 are inserted into the manifold 4 (FIG. Fig. 2 ), so that ends of the tubes 3 protrude into the manifold 4.
  • FIG. Fig. 2 the manifold 4 has tube openings 6 through which the flat tubes 5 are inserted into the manifold 4 (FIG. Fig. 2 ), so that ends of the tubes 3 protrude into the manifold 4.
  • corrugated fins 8 are arranged, which are in thermal and mechanical connection with the tubes 3.
  • the corrugated fins 8 are in Fig. 3 only partially shown. This increases the area available for cooling the refrigerant.
  • the flanges 10 have slots 12 formed as recesses 11.
  • a fastening means such as a screw can be arranged and thereby the heat exchanger 1, for example, to a body of a motor vehicle to be attached (not shown).
  • a collecting tube 4 with the two fastening devices 9 are in this case produced as a component 16 by means of extrusion from metal, in particular aluminum.
  • the flanges 10 are then incorporated with the slots 12 by means of embossing.
  • the component 16 is thus produced in one piece and consists overall of the same material, preferably aluminum.
  • the component 16 also has an inlet opening 15. Through the inlet opening 15, the refrigerant is introduced.
  • the collection tube 4 shown on the left has a bottom not in Fig. 3 shown inlet opening 15 and the in Fig. 3 Collector 4 shown on the right has an outlet opening, not shown.
  • the refrigerant directly into the left Collector 4 are introduced and discharged from the right manifold 4 from the outlet again.
  • the two upper ends of the in Fig. 3 illustrated manifolds 4 are closed by means of a plug, not shown.
  • the flat tubes 5, the corrugated ribs 8 and the component 16 are thus essentially required as components 13 of the heat exchanger 1.
  • the component 16 in this case comprises the manifold 4 and the two flanges 10 as fastening means 9.
  • the components 13 of the heat exchanger are plated by means of solder. To connect the components 13 of the heat transfer 1, these components 13 are first mechanically joined together and then, due to the plating of the components 13 with solder, the components 13 in a soldering furnace materially, ie by soldering, are connected to each other.
  • the tubes 3 and the corrugated fins 8 are also preferably made by extrusion from aluminum.
  • the corrugated fins 8 are thereby converted after extrusion to form the meandering corrugated ribs 8 by forming.
  • Fig. 1 is a known from the prior art manifold 4 with two flanges 10 shown as fastening means 9. Further, a supply line 14 for supplying refrigerant through an inlet opening 15 is arranged on the manifold 4.
  • the manifold 4, the two flanges 10 and the feed line 14 are first prepared as separate components, for example by means of extrusion.
  • the in Fig. 1 shown parts 4, 9, 14 must then be assembled mechanically in a complex and error-prone manner first and after mechanical assembly, the in Fig. 1 shown parts 4, 9 and 14 are connected by a plating with solder cohesively in a brazing furnace. The production of the heat transfer 1 with the in Fig. 1 shown parts 4, 9 and 14 is thus much more expensive and expensive.
  • the collecting tube 4 with the two flanges 10 arranged thereon as fastening means 9 is first produced as a unitary component by extrusion and subsequent processing, ie stamping.
  • the flanges 10 need not be attached in a complex manner to the manifold 4.
  • the costs can be reduced in an advantageous manner and the susceptibility to errors in the production can be reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP09290706A 2009-09-16 2009-09-16 Caloporteur Withdrawn EP2299230A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09290706A EP2299230A1 (fr) 2009-09-16 2009-09-16 Caloporteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09290706A EP2299230A1 (fr) 2009-09-16 2009-09-16 Caloporteur

Publications (1)

Publication Number Publication Date
EP2299230A1 true EP2299230A1 (fr) 2011-03-23

Family

ID=41651459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09290706A Withdrawn EP2299230A1 (fr) 2009-09-16 2009-09-16 Caloporteur

Country Status (1)

Country Link
EP (1) EP2299230A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172762A (en) * 1989-10-20 1992-12-22 Sanden Corporation Heat exchanger
EP0760457A2 (fr) * 1995-08-25 1997-03-05 General Motors Corporation Echangeur de chaleur
EP1352812A1 (fr) * 2002-04-09 2003-10-15 Compagnie Plastic Omnium Distributeur de fluide caloporteur pour un réseau de canaux d'un radiateur de véhicule automobile et face avant technique obtenue à partir d'un tel distributeur
DE102008027842A1 (de) * 2007-06-22 2009-02-19 Behr Gmbh & Co. Kg Sammelkasten eines Wärmeträgers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172762A (en) * 1989-10-20 1992-12-22 Sanden Corporation Heat exchanger
EP0760457A2 (fr) * 1995-08-25 1997-03-05 General Motors Corporation Echangeur de chaleur
EP1352812A1 (fr) * 2002-04-09 2003-10-15 Compagnie Plastic Omnium Distributeur de fluide caloporteur pour un réseau de canaux d'un radiateur de véhicule automobile et face avant technique obtenue à partir d'un tel distributeur
DE102008027842A1 (de) * 2007-06-22 2009-02-19 Behr Gmbh & Co. Kg Sammelkasten eines Wärmeträgers

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