EP2144019A1 - Appareil d'échange de chaleur - Google Patents

Appareil d'échange de chaleur Download PDF

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Publication number
EP2144019A1
EP2144019A1 EP08290669A EP08290669A EP2144019A1 EP 2144019 A1 EP2144019 A1 EP 2144019A1 EP 08290669 A EP08290669 A EP 08290669A EP 08290669 A EP08290669 A EP 08290669A EP 2144019 A1 EP2144019 A1 EP 2144019A1
Authority
EP
European Patent Office
Prior art keywords
collecting container
closure device
heat exchanger
exchanger assembly
assembly according
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Withdrawn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
EP08290669A
Other languages
German (de)
English (en)
Inventor
Christian Becker
Fabrice Grossnickel
Frédéric Desaute
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 EP08290669A priority Critical patent/EP2144019A1/fr
Publication of EP2144019A1 publication Critical patent/EP2144019A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/044—Condensers with an integrated receiver
    • F25B2339/0441—Condensers with an integrated receiver containing a drier or a filter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/16—Receivers
    • F25B2400/162—Receivers characterised by the plug or stop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2220/00—Closure means, e.g. end caps on header boxes or plugs on conduits
    • 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

Definitions

  • the present invention relates to a heat exchanger assembly, in particular a refrigerant condenser assembly for an automotive air conditioning system, comprising at least one cooling tube for passing a fluid to be cooled, in particular a refrigerant, a collecting container having an opening, which is in fluid communication with the at least one cooling tube, a closure device for closing the Opening of the collecting container, wherein the closure device is connected to the collecting container by means of a positive connection and a dryer arranged in the collecting container and / or in the closure device.
  • the invention further relates to an automotive air conditioning system.
  • z. B converted a vapor refrigerant in the liquid state and then the liquid refrigerant further "subcooled".
  • the refrigerant condenser assembly forms a structural unit within an automotive air conditioning system with an evaporator and a compressor.
  • a heat exchanger assembly is known.
  • Horizontally arranged cooling tubes are provided with cooling fins.
  • the cooling tubes are fluidly connected to each other by means of two vertically positioned manifolds.
  • a sump is fluidly connected to one of the two headers.
  • a dryer is arranged in the collection.
  • An opening at the lower end of the collecting container is closed by a closing device designed as a closure element.
  • the closure element is firmly bonded by means of a soldered connection to the collecting container.
  • the solder joint in the manufacture of the heat exchanger assembly is complicated and expensive. Furthermore, soldering problems can easily occur, which generally lead to leaks.
  • From the DE 100 39 260 B4 is a generic heat exchanger assembly known.
  • a collecting container is closed by a plug as a closure device.
  • a locking ring engages in an annular groove on the collecting container and thus positively connects the plug with the collecting container.
  • When assembling the heat exchanger group is for connecting the plug with the collecting container an additional, not part of the plug as a closure device belonging component, namely the locking ring, required, thereby creating an additional installation effort.
  • the object of the present invention is to improve in a heat exchanger assembly, the closure device for the collecting container to the effect that the above-mentioned disadvantages do not occur.
  • the installation of the closure device on the collecting container should be able to be carried out easily with a low production cost.
  • a heat exchanger assembly in particular a refrigerant condenser assembly for an automotive air conditioning system, comprising at least one cooling tube for passing a fluid to be cooled, in particular a refrigerant, a collecting container having an opening, which is in fluid communication with the at least one cooling tube, a closure device for closing the Opening of the collecting container, wherein the closure device is connected to the collecting container by means of a positive connection and arranged in the collecting container and / or in the closure device dryer, wherein the positive connection by means of a deformation of the collecting container and / or the closure device can be produced and / or canceled.
  • the connection between the closure device and the collecting container can thus be easily manufactured, because no expensive and time-consuming in the assembly screw connection is necessary.
  • the collecting container and / or the closure device can be designed in one or more parts. The deformation is thus carried out by that part or those parts which are part of the collecting container and / or the closure device.
  • the positive connection can be produced and / or canceled by means of a deformation of a jacket wall of the collecting container and / or by means of a deformation of a closure jacket wall of the closure device.
  • the jacket wall and / or closure jacket wall for example circular or rectangular in cross-section, is particularly suitable for producing the positive fit because generally the two components abut one another on the jacket wall of the collector and the closure jacket wall of the closure device.
  • the jacket wall and / or closure jacket wall can be formed in one or more parts. The deformation is thus carried out by that part or those parts of the jacket wall and / or closure jacket wall, which are part of the jacket wall and / or closure jacket wall.
  • the deformation is a bend, strain, compression, shear or torsion.
  • the closure device is provided with a recess, in particular an annular groove.
  • At least one bendable latching arm is formed on the collecting container with a latching nose for latching into the recess of the closure device.
  • a locking arm with a locking lug can be bent easily and the locking lug can easily engage in the annular groove for producing a positive connection.
  • the locking arm is part of the collection container.
  • the collecting container is provided with a recess, in particular an annular groove.
  • At least one bendable latching arm is formed on the closure device with a latching nose for latching into the recess of the collecting container.
  • the locking arm is part of the closure device.
  • the closure device has a cavity for receiving the dryer.
  • the collecting container as a tube with a cylindrical jacket wall and / or the closure device as Tube formed with a cylindrical VerInstitutmantelwandung.
  • the jacket wall of the collecting container and / or the closure jacket wall of the closure device thus enclose a cylindrical cavity.
  • the at least one, bendable latching arm is formed on the basis of at least one radial recess at one end of the jacket wall of the collecting container and / or at one end of the closure jacket wall of the closure device.
  • the bendable latching arm can thus be made particularly simple, because the end of the casing wall only needs to be cut.
  • a sealing ring is arranged between the closure device and the collecting container.
  • An elastic sealing ring, z. B. plastic, serves for fluid-tight sealing of the connection between the collecting container and closure device.
  • the sealing ring is arranged in an annular sealing groove on the collecting container and / or on the closure device.
  • the positive connection between the closure device and collecting container can only be produced.
  • the positive connection can thus not be repealed, d. H. it is a non-releasable positive connection or an inseparable connection between closure device and collecting container.
  • the collecting container and the closure device are connected to one another by means of a frictional connection.
  • An additional non-positive connection in addition to the positive connection, for example due to the force exerted by the locking arms on the outer wall forces, can additionally secure the connection.
  • the heat exchanger assembly expediently comprises at least one collecting pipe, in particular two collecting pipes, for fluidly connecting the cooling pipes to one another.
  • the collecting container is mechanically connected to a collecting pipe and / or the collecting container is in fluid communication with a collecting pipe.
  • the at least one collecting tube is vertically aligned.
  • the at least one cooling tube is aligned horizontally.
  • the heat exchanger assembly comprises an inlet and outlet opening arranged in the collecting container for the fluid connection of the collecting container to the at least one collecting tube and / or the at least one cooling tube.
  • the collecting container is fluidly connected in particular directly through an inlet and outlet opening with the one collecting tube.
  • the collecting container is preferably mechanically connected to the one collecting tube by means of connecting means arranged on the collecting container and / or on the closing device.
  • An automotive air conditioning system according to the invention comprises the above-described heat exchanger assembly.
  • FIG. 1 a designed as a refrigerant condenser assembly 2 heat exchanger assembly 1 is shown in a perspective view.
  • the inventive Kätteffenkondensatorbaueria 2 is part of an automotive air conditioning system with an evaporator and a compressor (not shown).
  • By horizontally disposed cooling tubes 3 flows to be condensed and cooled refrigerant ( Fig. 1 ).
  • the cooling 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 cooling tubes 3.
  • Fig. 1 only one manifold 4 is shown.
  • the manifold 4 has cooling tube openings 21 (FIG. Fig. 2 ), through which the ends of the cooling tubes 3 protrude into the manifold 4.
  • Meander-shaped cooling fins 20 are arranged between the cooling tubes 3, which are in thermal communication with the cooling tubes 3 by means of heat conduction. This increases the area available for cooling the refrigerant.
  • the cooling tubes 3, the cooling fins 20 and the two manifolds 4 are generally made of metal, in particular aluminum.
  • a collecting container 5 is arranged ( Fig. 1 . 2 ).
  • the collecting container 5 is connected by means of an inlet opening 7 and an outlet opening 8 (FIG. Fig. 3 ) in fluid communication with the manifold 4 and thus also indirectly in fluid communication with the cooling tubes 3.
  • the sump 5 is not connected to the manifold 4 at the upper end 23.
  • At the lower end 22 of the collecting container 5 is mechanically connected to the manifold 4 ( Fig. 1 ).
  • the collecting container 5 may also be mechanically connected to the collecting tube 4 at the upper end 23 (not shown).
  • the collecting container 5 comprises a cylindrical jacket wall 15 which is closed at the upper end 23 by a cover wall 25 ( Fig. 1 . 3 ).
  • the closure device 9 has a cylindrical closure jacket wall 26, which is closed at the lower end 22 by a bottom wall 27.
  • the collecting container 5 and the closure device 9 thus each form tubes 14 and are each made of metal, for. As aluminum, and / or plastic.
  • the collecting container 5 and the closure device 9 enclose a cylindrical cavity 13 (FIG. Fig. 3 ).
  • a dryer 6 is arranged in the trapped by the closure device 9 cavity 13.
  • the dryer 6 is hygroscopic and can absorb water or moisture from the refrigerant.
  • annular groove 10 is formed ( Fig. 4 ).
  • One end 17 of the jacket wall 15 of the collecting container 5 is provided with radial recesses 16 (FIG. Fig. 1 . 5 ), so that this prank-like latching arms 11 result, which are part of the collecting container 5 ( Fig. 1 . 4, 5 ).
  • the radial recesses 16 are cut into the jacket wall 15 of the collecting container 5.
  • the dryer 6 is introduced into the cavity 13 of the closure device 9.
  • the upper end 30 of the closure device 9 is inserted into the opening 31 of the collecting container 5.
  • the inner diameter 28 of the collecting container 5 is slightly larger than the outer diameter 29 of the closure device 9 between the upper end 30 of the closure device 9 and the annular groove 10 (FIG. Fig. 4 ).
  • the ends of the latching arms 11 are bent by a tool, not shown, into the opening 31 of the collecting container 5 in the radial direction inwardly in the annular groove 10 to latching lugs 12 after insertion of the upper end 30 of the closure device 9.
  • the positive connection between the closure device 9 and the collecting container 5 is thus produced by means of a bending of the jacket wall 15 belonging to the collecting container 5 latching arms 11.
  • a sealing ring 18 arranged in a sealing groove 19 of the closure device 9 ensures a fluid-tight connection between the collecting container 5 and the closure device 9.
  • the latching lugs 12 and the latching arms 11 are designed such that the positive connection between the collecting container 5 and the closure device 9 is not detachable. d. H. the fit can only be produced, but not canceled.
  • the closure shell wall 26 can be made substantially shorter or the axial length of the closure wall 26 substantially corresponds to the distance between the upper end 30 of the closure device 9 and the annular groove 10, so that the dryer 6 in the cavity 13 of Collecting container 5 is arranged.
  • the inlet and outlet openings 7, 8 are arranged in the collecting container 5 for this purpose.
  • the refrigerant condenser assembly 2 has considerable advantages.
  • the in the sump 5 and / or in the Shutter 9 arranged dryer 6 is sensitive to heat.
  • a solder joint after the introduction of the dryer 6 in the collecting container 5 and / or the closure device 9 is not possible due to the necessary high temperatures during soldering.
  • In the production of the refrigerant condenser assembly 2 is thus a complex, additional assembly stage after the introduction of the dryer 6 in the closure device 9, z.
  • On a faulty for leaks solder connection between the closure device 9 and the collecting container 5 can be omitted.
  • a much more expensive and time-consuming in assembly screw between closure device 9 and 5 collection container is no longer needed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP08290669A 2008-07-08 2008-07-08 Appareil d'échange de chaleur Withdrawn EP2144019A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08290669A EP2144019A1 (fr) 2008-07-08 2008-07-08 Appareil d'échange de chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08290669A EP2144019A1 (fr) 2008-07-08 2008-07-08 Appareil d'échange de chaleur

Publications (1)

Publication Number Publication Date
EP2144019A1 true EP2144019A1 (fr) 2010-01-13

Family

ID=39717603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08290669A Withdrawn EP2144019A1 (fr) 2008-07-08 2008-07-08 Appareil d'échange de chaleur

Country Status (1)

Country Link
EP (1) EP2144019A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010001543A1 (de) * 2010-02-03 2011-08-04 Behr GmbH & Co. KG, 70469 Wärmeübertrager

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2777638A1 (fr) * 1998-04-17 1999-10-22 Valeo Thermique Moteur Sa Condenseur a reservoir integre pour bloc de traitement de fluide amovible, notamment pour un circuit de climatisation de vehicule automobile
DE10329297A1 (de) 2002-06-25 2004-01-22 Visteon Global Technologies, Inc., Dearborn Kondensatoraggregat mit leicht veränderbarer Volumetrie
DE10353160A1 (de) 2003-11-14 2005-06-16 Behr Gmbh & Co. Kg Wärmetauscher und Sammelbehälter-Trockner-Baugruppe für Wärmetauscher
US20060123837A1 (en) * 2004-12-10 2006-06-15 Subros Limited Receiver tank for a condensor and method of manufacturing the same
FR2887860A1 (fr) * 2005-06-30 2007-01-05 Valeo Systemes Thermiques Reservoir de fluide a paroi tubulaire; en particulier pour condenseur de climatisation
DE10039260B4 (de) 1999-09-10 2007-03-29 Behr Gmbh & Co. Kg Verschluß für einen Sammelbehälter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2777638A1 (fr) * 1998-04-17 1999-10-22 Valeo Thermique Moteur Sa Condenseur a reservoir integre pour bloc de traitement de fluide amovible, notamment pour un circuit de climatisation de vehicule automobile
DE10039260B4 (de) 1999-09-10 2007-03-29 Behr Gmbh & Co. Kg Verschluß für einen Sammelbehälter
DE10329297A1 (de) 2002-06-25 2004-01-22 Visteon Global Technologies, Inc., Dearborn Kondensatoraggregat mit leicht veränderbarer Volumetrie
DE10353160A1 (de) 2003-11-14 2005-06-16 Behr Gmbh & Co. Kg Wärmetauscher und Sammelbehälter-Trockner-Baugruppe für Wärmetauscher
US20060123837A1 (en) * 2004-12-10 2006-06-15 Subros Limited Receiver tank for a condensor and method of manufacturing the same
FR2887860A1 (fr) * 2005-06-30 2007-01-05 Valeo Systemes Thermiques Reservoir de fluide a paroi tubulaire; en particulier pour condenseur de climatisation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010001543A1 (de) * 2010-02-03 2011-08-04 Behr GmbH & Co. KG, 70469 Wärmeübertrager

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