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EP2167895B1 - Échangeur de chaleur - Google Patents

Échangeur de chaleur Download PDF

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Publication number
EP2167895B1
EP2167895B1 EP08716457A EP08716457A EP2167895B1 EP 2167895 B1 EP2167895 B1 EP 2167895B1 EP 08716457 A EP08716457 A EP 08716457A EP 08716457 A EP08716457 A EP 08716457A EP 2167895 B1 EP2167895 B1 EP 2167895B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
flat tubes
projections
tube
margins
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.)
Expired - Fee Related
Application number
EP08716457A
Other languages
German (de)
English (en)
Other versions
EP2167895A1 (fr
Inventor
Helmut Roll
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.)
Modine Manufacturing Co
Original Assignee
Modine Manufacturing Co
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 Modine Manufacturing Co filed Critical Modine Manufacturing Co
Publication of EP2167895A1 publication Critical patent/EP2167895A1/fr
Application granted granted Critical
Publication of EP2167895B1 publication Critical patent/EP2167895B1/fr
Expired - Fee Related 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • 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
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • F28F9/182—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
    • 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
    • F28D2021/0082—Charged air coolers
    • 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
    • F28D2021/0091—Radiators
    • F28D2021/0094—Radiators for recooling the engine coolant

Definitions

  • the invention relates to a heat exchanger, comprising flat and narrow sides having flat tubes and ribs, which form a block and having the other features listed in the preamble of claim 1. Furthermore, a corresponding manufacturing method is proposed. Similar heat exchangers are for example from DE 198 19 247 A1 and also from the WO 2006/133748 A1 known. The projections provided in the first-mentioned reference correspond to openings in the tubesheets. As a result, a provisional cohesion of the items is provided before performing the soldering process. The cost of soldering auxiliary device can therefore be reduced. A certain disadvantage of this heat exchanger is that there is still a significant overhang of the tubesheet over the ribbed flat tube block which could be considered unnecessary space requirements.
  • the ratio of the cross-sectional area occupied by the flat tubes is not optimal in comparison to the entire cross-sectional area of the heat exchanger or its tube plates, so that improvements are possible with regard to efficient space utilization of the heat exchanger.
  • this heat exchanger could be regarded as insufficiently equipped for thermal cycling.
  • projections have been provided, which are, however, inserted into the ends of the flat tubes, in each case in the region of the narrow sides thereof. It has already been proven that this heat exchanger has considerable advantages over other solutions. However, it is desirable to have suitable back-up solutions available, for example in the event that the heat exchanger known from this reference should not be able to cope with the most extreme requirements with regard to the thermal cycling.
  • Fig. 14 - 17 show a non-inventive embodiment with grooves in the edges of the header, which serve to embed the narrow sides of the flat tubes.
  • the embodiments shown are directed to completely made of metal, preferably from suitable aluminum sheets, producible heat exchangers, for example for use in motor vehicles.
  • the aluminum sheets have appropriate solder coatings. After the manufacture and assembly of the individual parts of the heat exchanger and after appropriate pretreatment, these are then joined in a single CAB brazing process.
  • the heat exchanger consists of wide and narrow sides having flat tubes 1 and ribs 2, which form a block and, in the embodiment, of two tube sheets 3 each having at least two deformed longitudinal edges 30 and two manifolds 4. In the illustrations, only one side of Heat exchanger shown. At the other end of the heat exchanger, not shown, there are therefore a further tube plate 3 and a collecting box 4 , which may be formed identically to those shown.
  • the openings 31 must be formed in the tube sheets 3 to directly on the longitudinal edge 30 zoom, resulting from the 6 and 7 is best seen, because there in the foreground one of the openings 31 can be seen, in which there is no flat tube 1 .
  • the formed longitudinal edges 30 have been formed as lying below the tube bottom surface 35 channel 30 .
  • the above-mentioned projections 41 engage at the edges 40 of the collecting box 4 in the longitudinal edges 30 , wherein the projections 41 sit between the flat tubes 1 .
  • two projections 41 each support a flat tube 1 at its Broad sides, but directly to the narrow sides, from.
  • the procedure for assembling the heat exchanger is the following:
  • the flat tubes 1 and the ribs 2 are combined to form a flat tube ribbed block.
  • the tube sheets 3 with deformed longitudinal edges 30 are placed at the ends of the flat tubes 1 .
  • the collecting boxes 4 are set with their edges 40, on which projections 41 are arranged at intervals, to the edges 30 of the tubesheets 3 .
  • the longitudinal edges 30 of the tubesheets 3 are brought into contact with the narrow sides of the flat tubes 1 in the course of the so-called "winding up" of the tube plates 3 on the flat tube ends.
  • the projections 41 are brought into contact with the longitudinal edges 30 and with the flat tubes 1 , wherein the projections 41 are inserted into the spaces between the flat tubes 1 .
  • the projections 41 having longitudinal edges 40 of the collecting tank 4 are internally applied to the edges 30 of the tube sheet 3 , wherein the projections 41 are inserted into the spaces between adjacent flat tubes 1 .
  • the longitudinal edges 30 have been provided with a suitable chamfer 33 or the like, so that the edges of the collecting box 4 can be easily inserted into the longitudinal edges 30 of the tube sheet 3 .
  • auxiliary devices are used which either in principle do not differ from the previously customary auxiliary devices or which can be modeled by the person skilled in the art.
  • FIGS. 12 and 13 show a possible non-inventive embodiment of a heat exchanger, in which the tube plate 3 and the collecting box 4 are formed as one piece.
  • This tube sheet / collecting box has a connecting seam, for example a solder joint 45, which is located on the central longitudinal axis of the heat exchanger.
  • the narrow sides of the flat tubes 1 bear against the inside of the longitudinal edges 40 of the tube bottom / collecting tank.
  • the flat tubes are further bordered by the edges of the openings 31 of the inwardly bent tubesheet.
  • This embodiment also has sufficient resistance to thermal cycling for many applications. It is also easy to manufacture.
  • Unlike the FIGS. 12 and 13 were in the non-inventive embodiment according to the Fig. 14 - 17 again at least two-piece tube sheets / collection boxes used.
  • grooves 47 were impressed, which are arranged at intervals corresponding to the distances of the flat tubes 1 .
  • Each groove 47 serves for embedding a narrow side of the flat tubes. 1 Since a solder coating is also present in the grooves 47 , very strong solder joints are expected here, and a comparatively higher resistance to thermal cycling is expected.

Landscapes

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

Abstract

L'invention concerne un échangeur de chaleur constitué de tubes plats (1), présentant des côtés larges et des côtés étroits, et d'ailettes (2) qui forment un bloc, ainsi que d'au moins un plateau à tubes (3) / récipient collecteur (4) présentant au moins deux bords longitudinaux (30, 40) façonnés opposés. Cet échangeur de chaleur se caractérise en ce que les bords (40) du récipient collecteur (4) présentent des parties saillantes (41) espacées et en ce que les côtés étroits des tubes plats (1) sont placés contre les bords longitudinaux (30) du plateau à tubes (3) ou du récipient collecteur et sont reliés à ceux-ci, les parties saillantes (41) s'engageant dans les bords longitudinaux (30) et venant se loger entre les tubes plats (1). L'invention concerne également un procédé de production correspondant. Cette invention permet notamment d'obtenir des échangeurs de chaleur pouvant être produits à faible coût et présentant une haute résistance aux chocs thermiques.

Claims (13)

  1. Échangeur de chaleur, constitué de tubes plats (1) comprenant des côtés larges et des côtés étroits et d'ailettes (2) qui forment un bloc, et constitué d'au moins une plaque tubulaire (3) et d'une boîte collectrice (4), les deux comportant au moins deux bords longitudinaux (30, 40) opposés façonnés, des saillies (41) étant disposées à intervalles sur des bords longitudinaux (40) de la boîte collectrice (4), lesquelles saillies sont placées entre les tubes plats (1), caractérisé en ce que les côtés étroits des tubes plats (1) s'appliquent à l'intérieur contre les bords longitudinaux (30) de la plaque tubulaire (3) et sont reliés à ces derniers, et en ce que les bords longitudinaux (30) façonnés de la plaque tubulaire sont réalisés sous forme de rigole, le fond de la rigole (30) se situant en dessous de la surface de la plaque tubulaire (35) tournée vers la boîte collectrice (4), les saillies (41) venant en prise dans la rigole des bords longitudinaux (30) de la plaque tubulaire.
  2. Échangeur de chaleur selon la revendication 1, caractérisé en ce que les saillies (41) s'appuient dans le fond des bords longitudinaux (30) façonnés et y sont serrées.
  3. Échangeur de chaleur selon la revendication 1, caractérisé en ce que les saillies (41) sont reliées non seulement aux bords longitudinaux (30) mais aussi aux tubes plats (1).
  4. Échangeur de chaleur selon la revendication 1, caractérisé en ce que les dimensions des intervalles entre les saillies (41) correspondent approximativement aux dimensions extérieures entre les côtés larges des tubes plats (1).
  5. Échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que la plaque tubulaire (3) comprend des ouvertures (31) destinées à recevoir chacune une extrémité de tube plat (1), les ouvertures (31) s'étendant jusque dans la rigole (30), directement jusqu'au bord (30).
  6. Échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que les plaques tubulaires (3) comprennent, au niveau des leurs côtés transversaux, outre les bords longitudinaux (30) façonnés, également des bords (32) façonnés.
  7. Échangeur de chaleur selon l'une quelconque des revendications précédentes 1 à 5, caractérisé en ce que les plaques tubulaires (3) ne comprennent des bords (30) façonnés qu'au niveau des deux côtés longitudinaux, de sorte qu'elles puissent être fabriquées à partir d'une bande de tôle de longueur quelconque.
  8. Échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que la boîte collectrice (4) comprend des ouvertures frontales.
  9. Échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que l'échangeur de chaleur comprend des parties latérales connues en soi qui s'étendent sur la longueur des tubes plats (1) et qui ferment les ouvertures frontales des boîtes collectrices (4).
  10. Échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que les saillies (41) sont formées de telle sorte que l'insertion de ces dernières entre les extrémités des tubes plats (1) soit facilitée.
  11. Échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que l'échangeur de chaleur peut être utilisé de préférence en tant que refroidisseur d'air de charge refroidi par air ou en tant que refroidisseur de liquide de refroidissement.
  12. Procédé de fabrication d'un échangeur de chaleur, comprenant les étapes suivantes :
    les tubes plats (1) et les ailettes (2) sont assemblés pour former un bloc de tubes plats et d'ailettes ;
    les plaques tubulaires et boîtes collectrices dotées de bords longitudinaux (30, 40) façonnés sont placées aux extrémités des tubes plats (1) ;
    les boîtes collectrices (4) sont placées, par l'intermédiaire de leurs bords, sur lesquels des saillies (41) sont réalisées à intervalles, contre les bords des plaques tubulaires (3) ; les saillies sont amenées en contact avec les bords longitudinaux des plaques tubulaires et avec les tubes plats, les saillies (41) étant enfoncées dans les intervalles entre les tubes plats (1),
    caractérisé en ce que les bords longitudinaux des plaques tubulaires sont amenés en contact avec les côtés étroits des tubes plats (1), en ce que les bords longitudinaux façonnés des plaques tubulaires (3) sont pourvus d'une rigole (30) dont le fond se situe en dessous de la surface de la plaque tubulaire tournée vers la boîte collectrice, et en ce que les saillies (41) sont enfoncées dans le fond de la rigole (30).
  13. Procédé de fabrication selon la revendication 12, caractérisé en ce que les bords longitudinaux de la boîte collectrice (4) qui comprennent les saillies (41) sont appliqués de l'intérieur contre les bords de la plaque tubulaire (3), les saillies (41) étant enfoncées dans les espaces intermédiaires entre des tubes plats (1) adjacents.
EP08716457A 2007-06-15 2008-03-12 Échangeur de chaleur Expired - Fee Related EP2167895B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007027706A DE102007027706A1 (de) 2007-06-15 2007-06-15 Wärmetauscher
PCT/EP2008/001951 WO2008151680A1 (fr) 2007-06-15 2008-03-12 Échangeur de chaleur

Publications (2)

Publication Number Publication Date
EP2167895A1 EP2167895A1 (fr) 2010-03-31
EP2167895B1 true EP2167895B1 (fr) 2012-05-16

Family

ID=39616495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08716457A Expired - Fee Related EP2167895B1 (fr) 2007-06-15 2008-03-12 Échangeur de chaleur

Country Status (3)

Country Link
EP (1) EP2167895B1 (fr)
DE (1) DE102007027706A1 (fr)
WO (1) WO2008151680A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4474750A1 (fr) * 2023-06-05 2024-12-11 Valeo Systemes Thermiques Echangeur de chaleur

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009053540A1 (de) * 2009-11-18 2011-05-19 Behr Gmbh & Co. Kg Wärmeübertrager
CN101819003A (zh) * 2010-04-22 2010-09-01 鑫田集团有限公司 平形流冷凝器的扣合切样集流管及其加工工艺
DE102012004926A1 (de) 2012-03-10 2013-09-12 Volkswagen Aktiengesellschaft Wärmetauscher mit einem Rohrboden sowie ein hierfür bestimmter Rohrboden
JP6394202B2 (ja) * 2013-11-27 2018-09-26 株式会社デンソー 熱交換器

Family Cites Families (14)

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US5209292A (en) * 1992-05-15 1993-05-11 Zexel Usa Corporation Condenser header and tank assembly with interference fit baffle
JPH07280488A (ja) * 1994-04-07 1995-10-27 Nippondenso Co Ltd 熱交換器
DE4442040A1 (de) * 1994-11-25 1996-05-30 Behr Gmbh & Co Wärmetauscher mit einem Sammelrohr
DE19515530C2 (de) * 1995-04-27 2001-11-15 Valeo Klimatech Gmbh & Co Kg Wasserkasten eines Wärmetauschers für Kraftfahrzeuge
US5842515A (en) * 1995-09-30 1998-12-01 Halla Climate Control Corporation Heat exchanger and method of manufacturing header pipe for the same
JP3760571B2 (ja) * 1997-06-24 2006-03-29 株式会社デンソー 熱交換器
DE19819247A1 (de) 1998-04-29 1999-11-11 Valeo Klimatech Gmbh & Co Kg Wärmetauscher für Kraftfahrzeuge, insbesondere Wasser/Luft-Wärmetauscher oder Verdampfer
US20020057941A1 (en) * 1999-06-15 2002-05-16 Ichio Nakajima Connection structure between a pipe and a tube for use in a heat exchanger
FR2800451B1 (fr) * 1999-10-27 2002-01-18 Valeo Thermique Moteur Sa Echangeur de chaleur a encombrement reduit et equipement d'un vehicule automobile comportant un tel echangeur de chaleur
FR2808321B1 (fr) * 2000-04-27 2003-10-31 Valeo Thermique Moteur Sa Boite collectrice tubulaire en deux parties pour echangeur de chaleur, notamment de vehicule automobile
JP2003156296A (ja) * 2001-11-19 2003-05-30 Denso Corp 熱交換器
US6786275B2 (en) * 2002-05-23 2004-09-07 Valeo Engine Cooling Heat exchanger header assembly
DE102004033784A1 (de) * 2004-07-12 2006-02-02 Behr Gmbh & Co. Kg Wärmetauscher, insbesondere Ladeluftkühler
ES2302323T3 (es) 2005-06-11 2008-07-01 Modine Manufacturing Company Intercambiadores de calor enteramente metalico y procedimiento para su fabricacion.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4474750A1 (fr) * 2023-06-05 2024-12-11 Valeo Systemes Thermiques Echangeur de chaleur

Also Published As

Publication number Publication date
DE102007027706A1 (de) 2008-12-18
WO2008151680A1 (fr) 2008-12-18
EP2167895A1 (fr) 2010-03-31

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