EP2287552B1 - Échangeur de chaleur - Google Patents

Échangeur de chaleur Download PDF

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Publication number
EP2287552B1
EP2287552B1 EP09290552.0A EP09290552A EP2287552B1 EP 2287552 B1 EP2287552 B1 EP 2287552B1 EP 09290552 A EP09290552 A EP 09290552A EP 2287552 B1 EP2287552 B1 EP 2287552B1
Authority
EP
European Patent Office
Prior art keywords
end portion
heat exchanger
profile element
cylindrical
profile
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.)
Not-in-force
Application number
EP09290552.0A
Other languages
German (de)
English (en)
Other versions
EP2287552A1 (fr
Inventor
Pedro Gonzàlez Rechea
David Mayor Tonda
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 GmbH and Co KG
Mahle Behr Spain SA
Original Assignee
Mahle Behr GmbH and Co KG
Frape Behr SA
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 Mahle Behr GmbH and Co KG, Frape Behr SA filed Critical Mahle Behr GmbH and Co KG
Priority to EP09290552.0A priority Critical patent/EP2287552B1/fr
Publication of EP2287552A1 publication Critical patent/EP2287552A1/fr
Application granted granted Critical
Publication of EP2287552B1 publication Critical patent/EP2287552B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F28F9/0251—Massive connectors, e.g. blocks; Plate-like connectors
    • 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
    • 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
    • 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
    • F25B2339/0442—Condensers with an integrated receiver characterised by the mechanical fixation of the receiver to the header
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers
    • 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 invention relates to a heat exchanger according to the preamble of claim 1.
  • a heat exchanger is off EP 1 310 748 A known.
  • Heat exchangers are used, for example, as condensers in a coolant circuit of motor vehicle air conditioning systems to cool and liquefy gaseous, superheated refrigerant to a liquefaction temperature or below. The heat extracted from the refrigerant is released to the environment.
  • the refrigerant is directed through a plurality of tubular members which terminate at their respective opposite ends in header pipes, one of which is preferably fluidly connected to a sump.
  • the interfaces of the capacitor, z. B. between manifold and sump, are usually connected to each other by means of soldering to provide a sufficient and lasting tightness between the individual components. If the headers and / or sumps are made of welded tubes, their surface may already be provided with a solderable coating so that they can be joined together These components by means of a soldering process (eg in the soldering oven) only an additional flux is necessary. However, extruded headers and sumps are also used in the art.
  • DE 10 2007 018 722 A1 describes a condenser for the air conditioning of a motor vehicle having two manifolds and arranged adjacent to one of the headers container for receiving the drying means of the refrigerant of the air conditioner, wherein the collecting tube and the container are connected by means of at least two flow openings.
  • the container is formed from an extruded tube.
  • profile elements are used in the prior art, which have the flow openings and which are connected to the sump tube. These profile elements can be manufactured as an extrusion.
  • connection flange is manufactured by extrusion.
  • a solder ring can be used, which is either on the outer periphery of the profile element and the collecting container tube adjacent thereto is arranged or which is arranged in the interior of the profile element.
  • a fixation of the ring on the outer circumference of the sump tube during soldering in the soldering oven would be necessary and possibly the solder does not flow into the gap to be filled between the profile element and the sump tube.
  • the second alternative is disadvantageous in relation to an additional processing step of the profile element required for this purpose, and there is moreover the risk that the solder will flow off to the sealing surface of the profile element.
  • a heat exchanger in particular a condenser for a motor vehicle, which has a block which has a multiplicity of tubular elements which respectively open at at least one pipe end or at both pipe ends into a collecting pipe which is in fluid communication with a collecting container and which Container consists of at least one profile element and an extruded collection container tube, wherein the compound of the profile element and the collection container tube is a solder joint, which takes place via a cylindrical element arranged in the profile element.
  • the cylindrical element is arranged in an end portion of the profile element.
  • the cylindrical element is arranged with a first section in the end section of the profile element, and protrudes with a second section over the end section of the profile element.
  • the end portion of the profile element has an inner wall which tapers inwardly conically from an outer end of the profile element. This embodiment of the first end section achieves good wetting and thus reliable soldering connection between the two components.
  • the tapered inward portion of the end portion terminates at a first stepped portion in which the end portion of the profile member is formed as a hollow cylinder, wherein the inner diameter of the first stepped portion is smaller than the smallest inner diameter of the conically inwardly tapering portion. Due to the reduced inner diameter of the first stepped portion relative to the inwardly tapered portion of the inserted into the end portion of the profile element collecting container tube can be held or fixed therein by means of press fit.
  • the first stepped portion terminates at a second stepped portion in which the end portion of the profile member is formed as a hollow cylinder, wherein the inner diameter of the second stepped portion is smaller than the inner diameter of the first stepped portion.
  • cylindrical element is arranged in the tapering section of the end section of the profile element.
  • the cylindrical member abuts a first step of the first stepped portion.
  • the first stage thus advantageously forms a stop or a contact surface for the cylindrical element.
  • the cylindrical element is formed as a ring, which has a base body which is provided with a coating of a solderable material.
  • the coating has a flux.
  • the sump is formed as a tubular member having a first end portion and a second end portion, the first end portion of the tubular member being inserted into the end portion of the profile member.
  • the end portion of the tubular element is pressed into the first stepped portion of the profile element.
  • the end portion of the tubular member abuts a second step of the second stepped portion of the profile member.
  • the second stage advantageously forms a stop or abutment surface for the end portion of the tubular element inserted in the profiled element.
  • the second portion of the cylindrical member abuts at least a portion on the outer periphery of the tubular member. This provides for a particularly reliable sealing of the two components or the connection of the two components.
  • the profile element has at least one overflow opening, in particular two overflow openings.
  • Fig. 1 is a view of a heat exchanger 1 according to the prior art.
  • the heat exchanger 1 comprises a block 2, which has a plurality of parallel tube elements 3, which are formed as flat tubes.
  • the pipe elements 3 can be flowed through by a coolant, which is introduced via an inlet, not shown here in the block 2 and is derived via a likewise not shown here flow from the block 2.
  • cooling or corrugated fins can be formed between the tubular elements 3, through which air is passed through during operation of the condenser or heat exchanger 1.
  • the respective pipe ends 4 of the pipe elements 3 open on opposite end faces in each case a collecting pipe 7, wherein only one side is shown here.
  • the collecting tube 7 is formed with a multiplicity of openings 8, which essentially correspond in size and shape to the size and shape of the tube elements 3 or the tube ends 4 of the tube elements 3.
  • a sump 100 is attached to the block 2 via a fastener 6.
  • the sump 100 is formed of a sump tube 5 and a profile member 9 so that it communicates with the sump 7, as related to Fig. 2 and Fig. 3 will be further described, is connected.
  • Fig. 2 shows a partially sectioned view of a profile element 9 according to one embodiment.
  • the profile element 9 serves as a connecting piece between the in Fig. 1 illustrated manifold 7 and also in Fig. 1
  • the collecting element 9 is produced as an extruded component and has two overflow openings 10, 10 'in order to provide a fluid connection to the collecting pipe 7 or to the pipe elements 3 opening into the collecting pipe 7.
  • the profile element 9 at an end portion 11, which is to be connected to a first end portion of the sump tube (not shown here), the following geometry.
  • the end section 11 of the profile element 9 has an inner wall 12, which can be subdivided essentially into three areas is.
  • the inner wall 12 is formed to taper inwardly from an outer end 13 of the end portion 11 and the profile member 9, respectively, with the tapered portion 14 terminating at a first step 15.
  • a first stepped portion 16 connects, the inner diameter at this first stepped portion 16 being smaller than the smallest diameter of the inwardly tapering portion 14.
  • the first stepped portion 16 terminates at a second Stage 17.
  • the second stage 17 is adjoined by a second stepped portion 18, whose inner diameter is smaller than the inner diameter of the first stepped portion 16.
  • the first stepped portion 16 and the second stepped portion 18 are each formed as a hollow cylinder.
  • Fig. 3 shows that in Fig. 2 illustrated profile element 9, which in turn is shown only in the end portion 14 in a sectional view.
  • a cylindrical member 19 is disposed in the end portion 14.
  • the cylindrical member 19 has a first portion 20 which is inserted into the tapered portion 14, wherein the cylindrical member 19 is seated on the first stage 15 and strikes it. With a second portion 21, the cylindrical member 19 protrudes beyond the outer end 13 of the end portion 14 and protrudes therefrom.
  • the cylindrical member 19 is formed as a ring having a base body and a substrate, which is provided with a coating of a solderable material. In addition, a flux is provided in the coating.
  • Fig. 4 shows a view of a profile element 9 and a collection tube 5 in an unconnected state or the profile element 9, the collection tube 5 and the cylindrical member 19 in parts
  • Fig. 5 is a view of the profile element 9 and the collection tube 5 in the connected state.
  • the sump tube 5 is tubular Element 24 is formed and has a first end portion 22 and a second end portion 23, wherein the first end portion 22 of the sump tube 5 is to be connected to the profile element 9.
  • the first end portion 22 of the sump tube 5 is then inserted into the end portion 11 already provided with the cylindrical member 19.
  • the outer diameter of the tubular element 24 and the inner diameter of the first stepped portion 15 of the profile element 9 are dimensioned such that the end portion 22 of the sump tube 5 is received by a press fit in the first stepped portion 15, wherein the end portion 22 on the second stage 17 sits or strikes it.
  • the protruding from the outer end 13 of the end portion 11 of the profile element 9 second portion 21 of the cylindrical member 19 surrounds in the assembled state of the profile element 9 and the collection tube 5, a portion of the outer periphery of the first end portion 22 of the collection tube 5 in the connecting region. Since the cylindrical element 19 is provided with a solderable coating which also has a flux, a solder joint can be produced between the collecting tube 5 and the profile element 9 without further aids or additives, for example by arranging the composite in a soldering furnace.
  • FIG. 3 shows a view of a profiled element header tank assembly, which is similar to that described above Fig. 5 has been assembled or soldered manner described, wherein the profile element Sammei matterserrohr composite is here in turn attached to a manifold 7.
  • the connection between the manifold 8 having a plurality of openings 8 and the profile element header tank composite is in the embodiment by a connecting device 6, as already in connection with Fig. 1 mentioned, reached.
  • the manifold 7 also has two openings, not shown, which correspond in size, shape and position provided on the profile element 9 overflow openings 10, 10 ', so that between the sump 5 and the manifold 7, a fluid connection for the pipe elements. 3 supplied coolant exists.
  • the heat exchanger according to the invention can thus be made of extruded components in the region of the collecting container and of the collecting tube or of the profiled element and, on the other hand, it is possible for the extruded parts to be soldered to one another in a simple way, thereby enabling a cost-effective production.

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

Claims (13)

  1. Echangeur de chaleur (1), en particulier condenseur pour un véhicule automobile, échangeur de chaleur qui présente un bloc (2) qui comporte une multiplicité d'éléments tubulaires (3) qui débouchent à chaque fois dans un tube collecteur (7) au niveau d'au moins une extrémité tubulaire (4), tube collecteur qui est en communication fluidique avec un bac collecteur, où le bac collecteur présente au moins un élément profilé (9) extrudé et un tube de bac collecteur (5) extrudé,
    caractérisé en ce que l'assemblage de l'élément profilé (9) et du tube (5) du bac collecteur est un assemblage brasé qui est réalisé en utilisant un élément cylindrique (19) disposé dans l'élément profile (9), où l'élément cylindrique (19) est configuré comme un anneau qui présente un corps de base qui est doté d'un revêtement se composant d'un matériau pouvant être brasé, où le revêtement présente un fondant.
  2. Echangeur de chaleur (1) selon la revendication 1, caractérisé en ce que l'élément cylindrique (19) est disposé dans une partie d'extrémité (11) de l'élément profilé (9).
  3. Echangeur de chaleur (1) selon la revendication 2, caractérisé en ce que l'élément cylindrique (19) est, par une première partie (20), disposé dans la partie d'extrémité (11) de l'élément profilé (9) et, par une seconde partie (21), est en saillie au-dessus de la partie d'extrémité (11) de l'élément profilé (9).
  4. Echangeur de chaleur (1) selon la revendication 2 ou 3, caractérisé en ce que la partie d'extrémité (11) de l'élément profilé (9) présente une paroi intérieure (12) qui va en diminuant de façon conique, vers l'intérieur, à partir d'une extrémité extérieure (13) de l'élément profilé (9).
  5. Echangeur de chaleur (1) selon la revendication 4, caractérisé en ce que la partie (14) de la partie d'extrémité (11), allant en diminuant vers l'intérieur, se termine au niveau d'une première partie étagée (16) dans laquelle la partie d'extrémité (11) de l'élément profilé (9) est configurée de façon cylindrique creuse, où le diamètre intérieur de la première partie étagée (16) est plus petit que le plus petit diamètre intérieur de la partie (14) allant en diminuant vers l'intérieur.
  6. Echangeur de chaleur (1) selon la revendication 5, caractérisé en ce que la première partie étagée (16) se termine au niveau d'une seconde partie étagée (18) dans laquelle la partie d'extrémité (11) de l'élément profilé (9) est configurée de façon cylindrique creuse, où le diamètre intérieur de la seconde partie étagée (18) est plus petit que le diamètre intérieur de la première partie étagée (16).
  7. Echangeur de chaleur (1) selon l'une quelconque ou plusieurs des revendications 4 à 6, caractérisé en ce que l'élément cylindrique (19) est disposé dans la partie (14), qui va en diminuant, de la partie d'extrémité (11) de l'élément profilé (9).
  8. Echangeur de chaleur (1) selon l'une quelconque ou plusieurs des revendications 5 à 7, caractérisé en ce que l'élément cylindrique (19) est, au niveau d'un premier étage (15), en appui sur la première partie étagée (16).
  9. Echangeur de chaleur (1) selon l'une quelconque ou plusieurs des revendications 2 à 8, caractérisé en ce que le tube (5) du bac collecteur est configuré comme un élément de forme tubulaire (24) comportant une première partie d'extrémité (22) et une seconde partie d'extrémité (23), où la première partie d'extrémité (22) de l'élément de forme tubulaire (24) est insérée dans la partie d'extrémité (11) de l'élément profilé (9).
  10. Echangeur de chaleur (1) selon la revendication 9, caractérisé en ce que la première partie d'extrémité (22) de l'élément de forme tubulaire (24) est emmanchée à force dans la partie étagée (16) de l'élément profilé (9).
  11. Echangeur de chaleur (1) selon la revendication 9 ou 10, caractérisé en ce que la première partie d'extrémité (22) de l'élément de forme tubulaire (24) est en appui sur un second étage (17) de la seconde partie étagée (18) de l'élément profilé (9).
  12. Echangeur de chaleur (1) selon l'une quelconque ou plusieurs des revendications 9 à 11, caractérisé en ce que la seconde partie (21) de l'élément cylindrique (19) est, sur au moins une partie de la première partie d'extrémité (22), en appui sur la circonférence extérieure de l'élément de forme tubulaire (24).
  13. Echangeur de chaleur (1) selon l'une quelconque ou plusieurs des revendications 1 à 12, caractérisé en ce que l'élément profilé (9) présente au moins une ouverture de trop-plein (10, 10'), en particulier deux ouvertures de trop-plein (10, 10').
EP09290552.0A 2009-07-09 2009-07-09 Échangeur de chaleur Not-in-force EP2287552B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09290552.0A EP2287552B1 (fr) 2009-07-09 2009-07-09 Échangeur de chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09290552.0A EP2287552B1 (fr) 2009-07-09 2009-07-09 Échangeur de chaleur

Publications (2)

Publication Number Publication Date
EP2287552A1 EP2287552A1 (fr) 2011-02-23
EP2287552B1 true EP2287552B1 (fr) 2015-06-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09290552.0A Not-in-force EP2287552B1 (fr) 2009-07-09 2009-07-09 Échangeur de chaleur

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EP (1) EP2287552B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014002407B4 (de) 2014-02-20 2017-12-21 Modine Manufacturing Company Gelöteter Wärmetauscher

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1310748A2 (fr) * 2001-11-08 2003-05-14 Behr GmbH & Co. Echangeur de chaleur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI280340B (en) * 2002-02-20 2007-05-01 Showa Denko Kk Heat exchanger with receiver tank, receiver tank connecting member, receiver tank mounting structure of heat exchanger and refrigeration system
EP1443294A1 (fr) 2003-01-23 2004-08-04 BEHR Lorraine S.A.R.L. Echangeur de chaleur
JP3812582B2 (ja) * 2005-01-20 2006-08-23 株式会社デンソー 受液器一体型冷媒凝縮器
JP2007144502A (ja) * 2005-11-30 2007-06-14 Valeo Thermal Systems Japan Corp 熱交換器
DE102007018722A1 (de) 2007-03-23 2008-09-25 Modine Manufacturing Co., Racine Kondensator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1310748A2 (fr) * 2001-11-08 2003-05-14 Behr GmbH & Co. Echangeur de chaleur

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