EP1703243B1 - Échangeur de chaleur avec tubes et ailettes et procédé de fabrication - Google Patents

Échangeur de chaleur avec tubes et ailettes et procédé de fabrication Download PDF

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Publication number
EP1703243B1
EP1703243B1 EP06002613A EP06002613A EP1703243B1 EP 1703243 B1 EP1703243 B1 EP 1703243B1 EP 06002613 A EP06002613 A EP 06002613A EP 06002613 A EP06002613 A EP 06002613A EP 1703243 B1 EP1703243 B1 EP 1703243B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
edge
tube
tube plate
plate
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
EP06002613A
Other languages
German (de)
English (en)
Other versions
EP1703243A1 (fr
Inventor
Viktor Dipl.-Ing. Brost
Rainer Käsinger
Denis Bazika
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 EP1703243A1 publication Critical patent/EP1703243A1/fr
Application granted granted Critical
Publication of EP1703243B1 publication Critical patent/EP1703243B1/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
    • F28F9/0229—Double end plates; Single end plates with hollow spaces
    • 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
    • F28F9/0219—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
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00—Reinforcing means
    • F28F2225/08—Reinforcing means for header boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/32—Safety or protection arrangements; Arrangements for preventing malfunction for limiting movements, e.g. stops, locking means
    • 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
    • F28F2275/12—Fastening; Joining by methods involving deformation of the elements
    • F28F2275/122—Fastening; Joining by methods involving deformation of the elements by crimping, caulking or clinching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49389—Header or manifold making

Definitions

  • the invention relates to a heat exchanger with pipes and ribs, the tube ends stuck in openings of a tube plate having a connecting edge to mechanically and tightly connect a collecting box at the edge bead, with an intermediate bottom is present, which rests with its edge on the connecting edge of the tube sheet ,
  • the invention relates to a production method for such heat exchangers.
  • the heat exchanger is out of the EP 1 273 864 A2 known.
  • the intermediate floor was therefore provided there to be able to realize heat exchangers with different depths cooling networks with relatively little effort change.
  • the object of the present invention in contrast, is to provide heat exchangers whose strength of the mechanical connection is increased and to specify a production method for such heat exchangers.
  • connection and holding forces can not adequately meet the requirements due to the continuous reduction of the sheet thicknesses of the tube plate in view of increasing pressures and other loads.
  • the invention provides an excellent compromise between low material usage and increased bond strength.
  • the intermediate bottom is an additional component, but relatively light weight, since it is only a frame-like part.
  • heat exchangers can be made available in which the supernatant of the tube plate over the circumference of the tubes is relatively small. Therefore, a compact arrangement of the heat exchanger, for example in a heat exchanger module is possible in which a plurality of heat exchangers are arranged close together.
  • a “double" connection in the context of the present invention is understood to mean both a connection in which projecting tongues or similar parts of the edge of the tube bottom and similar parts of the false bottom are superimposed, as well as those in which the mentioned parts are adjacent.
  • the tongues of the tube bottom engage in the interspace of the tongues of the intermediate bottom, or vice versa.
  • the tongues of the tube bottom are slightly longer or slightly shorter than the tongues of the false bottom, to allow their interaction in the connection.
  • the embodiment with tongues or similar projecting parts is referred to as clamping because the tongues are bent in the manner of a clip on the edge bead and hold it firmly.
  • a gasket is usually located below the Randwustes, so that the connection also guarantees a seal.
  • Another embodiment is based on the known mechanical connection, in which a wave-like deformation of the connecting edge is made.
  • intermediate floors can be used with the mentioned advantages. (Claim 7)
  • no projections, tongues or the like are bent, but the edge is provided with a series parallel to the plane of the tube bottom incisions and the edge of each incision is pressed or deformed inwardly over the edge of the edge bead of the collecting box , whereby the mechanical connection is achieved.
  • the same is done at the edge of the false floor to increase the strength of the mechanical connection.
  • the intermediate bottom lies in the tube bottom and in another embodiment, the tube plate is in the intermediate bottom.
  • the intermediate floor has in a conventional manner one or more transverse stiffeners, which are preferably flat in the embodiment with lying in the tube bottom shelf, soldered flat on the tube sheet, between two openings in which pipe ends.
  • the method of manufacture provides that both the parts the tube bottom as well as parts of the false bottom are formed to jointly produce the mechanical connection.
  • Fig. 1 - 4th show perspective views of a partially completed heat exchanger ( fig1 ), on a tubesheet, on a false bottom and on a heat exchanger with mounted collecting box.
  • the Fig. 5 shows a side view and the Fig. 6 shows a longitudinal section through a heat exchanger.
  • the Fig. 7 shows a detailed view of the clamping.
  • the Fig. 8 and 9 show another embodiment.
  • the heat exchanger may be, for example, an intercooler or adeckenkeitkühler, which is located in a motor vehicle. It has been drawn to simplify only one side (collection box) of the heat exchanger, since the other side is identical at least with respect to the education relevant here.
  • the ribs 11, for example corrugated fins it usually flows cooling air, which extracts heat from the other medium flowing through the collecting tank 2 into the pipe 10 degrees.
  • the Indian Fig. 1 shown heat exchanger is in principle in the state as it exists after leaving a brazing furnace.
  • the connecting edge 3.2 on the intermediate bottom 3 and the connecting edge 1.2 on the tube sheet 1 in the Fig. 1 already reshaped.
  • edges 3.2 and 1.2 are initially approximately vertical to the plane of the tube plate 1 and they are obtained only after the preparation and mechanical connection of the collecting tank 2 ( Fig. 4 ) you in the Fig. 1 shown appearance.
  • the forming of the parts happens here at the same time.
  • the intermediate bottom 3 is in the tube sheet 1.
  • the edge is 3.1 of the intermediate bottom 3 at the connecting edge 1.2 of the tube sheet 1 inside and is also soldered there.
  • the intermediate shelf 3 shown has two Cross struts, each resting on the same between two openings 1.1 of the tube sheet 1 and are also soldered there.
  • the Fig. 2 shows a tube sheet 1 as a single part and the Fig. 3 shows an intermediate bottom 3 from the same perspective. Since, as already mentioned, lies in this embodiment, the intermediate bottom 3 in the tube sheet 1, the tongues at the connecting edge 1.2 of the tube sheet 1 are slightly longer than the tabs on the connecting edge 1.3 of the intermediate bottom 3, is easily determined as a comparison of these two figures.
  • the tongues on both edges 1.2, 3.2 are in the embodiment shown above each other, as particularly clear from the Fig. 1 and 4 can be seen. Further, the number, size and arrangement of the tongues are different at both edges 1.2, 3.2 . From all this it can be concluded that there is scope for various embodiments not shown here.
  • the openings are 1.1 equipped in the tube sheet 1 with particularly long and reduced in thickness fürgangs 1.3, which are directed to the ribs 11 out.
  • the ends of the tubes 10 are soldered to the passages 1.3 and do not extend beyond the inner tube bottom surface. This training is favorable, because thereby the pressure loss is kept low.
  • Fig. 7 shows that in the corners ( Fig. 2 ) of the tube plate 1, a pin 20 is provided, which serves for the prefixing of the intermediate bottom 3 .
  • a pin 20 is provided, which serves for the prefixing of the intermediate bottom 3 .
  • the tongues beads 24 can be formed, which further improve the rigidity and durability.
  • Further breakthroughs 22 are present in the formed on the edge bead 2.1 of the header 2 lugs 23 engage to secure the header 2 before its mechanical connection and also press firmly on the seal, not shown.
  • the openings 22 are located in the embodiment shown in the edge of the intermediate bottom. 3
  • Fig. 8 and 9 show different versions with wavy course of the connection edges 1.2 and 3.2.
  • the reshaped on the bead 2.1 of the collecting tank 2 portions were separated vertically above the notches 25 of the connecting edges, numeral 30.
  • the profile of the shafts (cuts 25) at the connecting edge of the intermediate bottom 3 is congruent with the shape of the waves on the connecting edge of the tube plate 1.

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)

Claims (10)

  1. Echangeur de chaleur avec tubes (10) et ailettes (11), dont les extrémités de tube s'enfoncent dans des ouvertures (1.1) d'une plaque à tubes (1), qui présente un bord de connexion (1.2), afin de connecter mécaniquement une caisse collectrice (2) au niveau de son bourrelet de bord (2.1), une plaque intermédiaire (3) étant prévue, laquelle s'applique avec son bord (3.1) contre le bord de connexion (1.2) de la plaque à tubes (1),
    caractérisé en ce que
    la plaque intermédiaire (3) présente également un bord de connexion (3.2) et les deux bords de connexion (1.2 et 3.2) retiennent fermement le bourrelet de bord (2.1) de la caisse collectrice (2).
  2. Echangeur de chaleur selon la revendication 1, caractérisé en ce que la plaque intermédiaire (3) se situe dans la plaque à tubes (1).
  3. Echangeur de chaleur selon la revendication 1, caractérisé en ce que la plaque à tubes (1) se situe dans la plaque intermédiaire (3).
  4. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que des tourillons (20) ou des pièces similaires sont façonnés dans les coins de la plaque à tubes (1) ou de la plaque intermédiaire (3).
  5. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le bord de connexion (3.2) de la plaque intermédiaire (3) et le bord de connexion (1.2) de la plaque à tubes (1) se composent d'une rangée de saillies (langues) pouvant être recourbées sur le bourrelet de bord (2.1) de la caisse collectrice (2).
  6. Echangeur de chaleur selon la revendication 5, caractérisé en ce que l'on forme des moulures (24) dans les langues.
  7. Echangeur de chaleur selon la revendication 1, caractérisé en ce que le bord de connexion de la plaque intermédiaire (3) et le bord de connexion de la plaque à tubes (1) présentent des entailles (25) s'étendant approximativement parallèlement au plan de la plaque à tubes (1), chaque bord de l'entaille (25) pouvant être déformé vers l'intérieur sur le bourrelet de bord (2.1) de la caisse collectrice (2), de sorte que l'on obtienne une allure approximativement ondulée des bords de connexion (1.2, 3.2), les ondulations ou les entailles étant disposées sur les bords de connexion soit en affleurement soit de manière décalée les unes par rapport aux autres.
  8. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que des orifices (22) sont pratiqués dans les bords de connexion, dans lesquels s'encliquètent des saillies (23) sur le bourrelet de bord (2.1) de la caisse collectrice (2).
  9. Procédé de fabrication d'un échangeur de chaleur, comprenant les étapes de procédé suivantes:
    a) assemblage de tubes plats (10) et d'ailettes (11);
    b) application de plaque à tubes (1) et de plaque intermédiaire (3) sur la ou les extrémités des tubes plats (10) ;
    c) connexion métallique des composants (1, 3, 10, 11) pour former une unité ;
    d) application d'une caisse collectrice (2) et connexion mécanique de celle-ci au moyen d'une déformation des pièces de la plaque à tubes (1),
    caractérisé en ce que
    e) les pièces de la plaque à tubes (1) ainsi que les pièces de la plaque intermédiaire (3) sont déformées, afin de produire conjointement la connexion mécanique.
  10. Procédé selon la revendication 9, caractérisé en ce que les pièces de la plaque à tubes (1) et les pièces de la plaque intermédiaire (3) sont déformées en même temps.
EP06002613A 2005-02-24 2006-02-09 Échangeur de chaleur avec tubes et ailettes et procédé de fabrication Expired - Fee Related EP1703243B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005008409A DE102005008409A1 (de) 2005-02-24 2005-02-24 Wärmetauscher mit Rohren und Rippen sowie Herstellungsverfahren

Publications (2)

Publication Number Publication Date
EP1703243A1 EP1703243A1 (fr) 2006-09-20
EP1703243B1 true EP1703243B1 (fr) 2008-09-17

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EP06002613A Expired - Fee Related EP1703243B1 (fr) 2005-02-24 2006-02-09 Échangeur de chaleur avec tubes et ailettes et procédé de fabrication

Country Status (4)

Country Link
US (1) US7341098B2 (fr)
EP (1) EP1703243B1 (fr)
DE (2) DE102005008409A1 (fr)
ES (1) ES2313465T3 (fr)

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Also Published As

Publication number Publication date
EP1703243A1 (fr) 2006-09-20
DE102005008409A1 (de) 2006-08-31
DE502006001571D1 (de) 2008-10-30
US20060185833A1 (en) 2006-08-24
ES2313465T3 (es) 2009-03-01
US7341098B2 (en) 2008-03-11

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