EP2557383B1 - Echangeur thermique à plaques - Google Patents

Echangeur thermique à plaques Download PDF

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Publication number
EP2557383B1
EP2557383B1 EP12178154.6A EP12178154A EP2557383B1 EP 2557383 B1 EP2557383 B1 EP 2557383B1 EP 12178154 A EP12178154 A EP 12178154A EP 2557383 B1 EP2557383 B1 EP 2557383B1
Authority
EP
European Patent Office
Prior art keywords
plate
heat exchanger
plates
base plate
soldered
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.)
Active
Application number
EP12178154.6A
Other languages
German (de)
English (en)
Other versions
EP2557383A2 (fr
EP2557383A3 (fr
Inventor
Swen -Juri Bauer
Carolin Gierer
Andreas GRÜNER
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 International GmbH
Original Assignee
Mahle International GmbH
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 International GmbH filed Critical Mahle International GmbH
Publication of EP2557383A2 publication Critical patent/EP2557383A2/fr
Publication of EP2557383A3 publication Critical patent/EP2557383A3/fr
Application granted granted Critical
Publication of EP2557383B1 publication Critical patent/EP2557383B1/fr
Active 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
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/06—Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections

Definitions

  • the present invention relates to a plate heat exchanger having a cover plate, a base plate and arranged therebetween stacked heat exchanger plates according to the preamble of claim 1.
  • the invention also relates to a base plate for such a plate heat exchanger and a method for producing the same.
  • a generic plate heat exchanger for an internal combustion engine comprising a plurality of successively arranged in a stack heat exchanger plates and arranged at the end of this stack base plate.
  • the base plate has a raised in the direction of the stack edge, which at least partially follows an outline of the stack.
  • a plate heat exchanger with a lowermost plate is known.
  • a reinforcing plate is soldered with its flat middle part.
  • the present invention addresses the problem of providing for a plate heat exchanger of the generic type an improved or at least one alternative embodiment which is particularly easy to manufacture and has less weight.
  • the present invention is based on the general idea, in a known plate heat exchanger, such as an oil cooler, with a cover plate, a base plate and heat exchanger plates stacked therebetween, the base plate, via which the plate heat exchanger with another component, such as an internal combustion engine, connectable , not massively and thus hard to train as before, but build from at least two interconnected and relatively light plates. Due to the at least two-layer construction of the base plate according to the invention this is significantly easier compared to previously known from the prior art base plates, which is particularly in terms of fuel consumption of great advantage.
  • the first plate can be constructed plan, whereas the second plate has elevations.
  • the surveys are in Oriented towards the adjacent heat exchanger plate and thereby form positioning aids for this.
  • An edge between the two plates of the base plate is designed to be open in order to allow the air occurring during surface soldering of the two plates to escape.
  • the surveys form at the same time stiffening elements, which give the base plate increased strength, in particular an increased flexural rigidity.
  • a first heat exchanger plate of the plate heat exchanger is no longer soldered surface to the base plate, but only linearly circumferentially at the edge and centrally over a turbulence contour arranged there, whereby the manufacturing process can be optimized as a whole, especially less Lot is required.
  • the at least two plates connected to the base plate are formed of aluminum and soldered together by means of an aluminum solder.
  • the design of the two plates as aluminum plates these can also be particularly easily formed, which is also advantageous in terms of weight optimization and associated fuel economy.
  • the two plates can have a thickness of about 0.5 to about 1.0 mm, so that a total material thickness of only about 1.5 mm is required for the base plate, which compared to previously massive base plates with a Thickness of about 5 mm means a significant material and weight savings.
  • the base plate according to the invention has an increased rigidity / strength.
  • weight saving is with the plate heat exchanger according to the invention and the invention
  • Base plate achievable material savings also of particular advantage, since the base plate according to the invention requires less than 50%, preferably even less than 40% of the material of a previous base plate. In view of steadily rising raw material prices, especially for aluminum, so the plate heat exchanger according to the invention can be produced more cheaply.
  • the individual heat exchanger plates expediently have turbulence contours over which they are preferably soldered to one another in a punctiform manner.
  • the turbulence contours cause a uniform and at the same time turbulent flow through the individual heat exchanger plates either with coolant or with fluid to be cooled, for example oil, which can be formed by the soldering of the individual heat exchanger plates on touching turbulence contours of the plate heat exchanger as a whole particularly stiff and therefore also robust.
  • An inventive plate heat exchanger 1 which may be formed, for example, as an oil cooler, a cover plate 2, a built base plate 3 and a plurality of interposed stacked heat exchanger plates 4, which via edges 5 (see. FIGS. 5 and 6 ) are circumferentially fluid-tight soldered together.
  • the plate heat exchanger 1 is connected via the base plate 3 with another component, such as an internal combustion engine, connectable, wherein in the base plate 3 corresponding Ver / disposal openings or lines can be arranged.
  • the base plate 3 is designed as a built-up base plate 3 and consists of at least two interconnected plates 6 and 7 (cf. Fig. 2 ) built up.
  • the two plates 6, 7 of the base plate 3 are flat soldered together, wherein the first plate 6 is formed flat and the second plate has 7 elevations 13.
  • the second plate 7 and the adjacent heat exchanger plate 4 are almost completely circumferentially linearly soldered together via corresponding solder joints 9, wherein an opening 14 in the soldering an inlet / outlet for cooling fluid or fluid to be cooled.
  • An edge 8 of the two plates forming the base plate 3 is designed to be open in order to allow air to escape during soldering.
  • a material for the individual plates 6, 7 of the base plate 3 is light metal, such as aluminum, into consideration.
  • the base plate 3 according to the invention has the great advantage that it is no longer solid, but comparatively lightweight and thus weight-optimized, which, when used as an oil cooler in motor vehicles in addition to the weight savings also allows a reduction in fuel consumption.
  • a material saving is also accompanied, which is of great advantage, in particular with regard to steadily rising raw material prices.
  • the base plate 3 and thus also the heat exchanger 1 also has an increased strength / rigidity.
  • the first plate 6 of the base plate 3 may for example have a thickness of about 0.5 mm, whereas the second plate 7 of the base plate 3 has a thickness of about 1.0 mm. So far known from the prior art, massive base plates had, for example, a thickness of about 5 mm, so that with the base plate according to the invention a material saving and a weight saving of over 50% are easily achievable.
  • FIGS. 2 and 3 it can be seen that the two plates 6, 7 of the base plate 3 are soldered to each other surface, whereas a soldering of the second plate 7 with the adjacent heat exchanger plate 4 linear via corresponding solder seams 9 or punctiform in the region of turbulence contours 10 takes place.
  • turbulence contours 10 which cause a uniform flow through the heat exchanger plates 4 with coolant or fluid to be cooled, such as oil.
  • the individual turbulence contours 10 of adjacent heat exchanger plates 4 in turn touch punctiform and can be connected to one another via these point-like contacts, in particular soldered to one another.
  • the method for producing the plate heat exchanger 1 according to the invention is designed as follows: First, the base plate 3, the heat exchanger plates 4 and the cover plate 2 are punched and stamped on particular separate production or embossing stations, that is manufactured. Subsequently, the elements thus produced, that is, the cover plate 2, the base plate 3 and the heat exchanger plates 4 in a fixing device 11 (see. Fig. 4 ) should be stacked according to the situation, with vertical guides 12 on the fixing device 11 guarantee the desired position.
  • the stack of workpieces produced in this way that is to say the stacked plate heat exchanger 1, is introduced together with the fixing device 11 into a soldering furnace, wherein the base plate 3, the heat exchanger plates 4 and the cover plate 2 are soldered together.
  • the fixing device 11 is removed together with the now soldered plate heat exchanger 1 from the soldering oven and is now ready for installation.
  • the heat exchanger plates 4 and / or the cover plate 2 may be formed of a light metal, in particular of aluminum.
  • the plate heat exchanger 1 according to the invention has in comparison to known from the prior art heat exchangers a light and at the same time rigid construction with a comparatively high cooling capacity.

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)

Claims (9)

  1. Echangeur de chaleur à plaques (1) avec une plaque de recouvrement (2), une plaque de base (3) et des plaques d'échangeur de chaleur (4) agencées entre elles en empilement qui sont brasées entre elles de manière étanche au fluide en tournant sur des bords (5), dans lequel l'échangeur de chaleur à plaques (1) peut être raccordé par la plaque de base (3) à un autre composant, par exemple un moteur à combustion, dans lequel la plaque de base (3) est constituée d'au moins deux plaques (6, 7) raccordées entre elles,
    caractérisé en ce
    qu'une première plaque (6) est réalisée de manière plane et une seconde plaque (7) présente des élévations (13), dans lequel les plaques (6, 7) sont brasées à plat l'une à l'autre par des joints brasés (9) correspondants, et
    que la seconde plaque (7) et la plaque d'échangeur de chaleur contigüe (4) sont brasées presque complètement en tournant en forme de ligne l'une à l'autre, dans lequel un percement (14) dans la zone du brasage constitue une entrée/sortie pour du fluide de refroidissement ou du fluide à refroidir.
  2. Echangeur de chaleur à plaques selon la revendication,
    caractérisé en ce
    - que les au moins deux plaques (6, 7) de la plaque de base (3) sont brasées à plat l'une à l'autre, et/ou
    - que la seconde plaque (7) et la plaque d'échangeur de chaleur contigüe (4) sont brasées en forme de ligne/point l'une à l'autre.
  3. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 2, caractérisé en ce
    qu'un bord (8) des deux plaques (6, 7) formant la plaque de base (3) est réalisé de manière ouverte afin de permettre une fuite de l'air lors du brasage.
  4. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 3, caractérisé en ce
    qu'au moins un des composants suivants est réalisé en métal léger, en particulier en aluminium, les plaques (6, 7), les plaques d'échangeur de chaleur (4), la plaque de recouvrement (2).
  5. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 4, caractérisé en ce
    qu'une première plaque (6) de la plaque de base (3) présente une épaisseur d'environ 0,5 mm et une seconde plaque (7) de la plaque de base (3) présente une épaisseur d'environ 1,0 mm.
  6. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 5, caractérisé en ce
    que les plaques d'échangeur de chaleur (4) présentent des contours de turbulence (10) par le biais desquels celles-ci sont brasées en forme de point l'une à l'autre.
  7. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 6, caractérisé en ce
    que l'échangeur de chaleur à plaques (1) est réalisé comme refroidisseur d'huile.
  8. Plaque de base (3) pour un échangeur de chaleur à plaques (1) selon l'une quelconque des revendications 1 à 7,
    caractérisée en ce
    que la plaque de base (3) est constituée des au moins deux plaques raccordées l'une à l'autre (6, 7).
  9. Procédé de fabrication d'un échangeur de chaleur à plaques (1) selon l'une quelconque des revendications 1 à 7, pour lequel
    - la plaque de base (3) avec les deux plaques (6, 7), les plaques d'échangeur de chaleur (4) et la plaque de recouvrement (2) sont fabriquées au niveau des postes de production ou d'estampage en particulier séparés,
    - la plaque de base (3), les plaques d'échangeur de chaleur (4) et la plaque de recouvrement (2) sont empilées dans un dispositif de fixation (11) selon la position de consigne, qui présente des guidages verticaux (12) et garantissent ainsi la position de consigne,
    - la pile de pièces précitée est introduite au moyen du dispositif de fixation (11) dans un four de brasage, dans lequel la plaque de base (3), les plaques d'échangeur de chaleur (4) et la plaque de recouvrement (2) sont brasées ensemble les unes aux autres.
EP12178154.6A 2011-08-11 2012-07-27 Echangeur thermique à plaques Active EP2557383B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011080829A DE102011080829A1 (de) 2011-08-11 2011-08-11 Plattenwärmetauscher

Publications (3)

Publication Number Publication Date
EP2557383A2 EP2557383A2 (fr) 2013-02-13
EP2557383A3 EP2557383A3 (fr) 2014-03-05
EP2557383B1 true EP2557383B1 (fr) 2019-09-11

Family

ID=46603646

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12178154.6A Active EP2557383B1 (fr) 2011-08-11 2012-07-27 Echangeur thermique à plaques

Country Status (2)

Country Link
EP (1) EP2557383B1 (fr)
DE (1) DE102011080829A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314808C2 (de) 1993-05-05 2003-10-30 Behr Gmbh & Co Plattenwärmetauscher, insbesondere Öl/Kühlmittel-Kühler
DE19711258C2 (de) * 1997-03-18 1999-09-02 Behr Gmbh & Co Stapelscheiben-Ölkühler
US6973960B1 (en) * 1998-01-16 2005-12-13 Pessach Seidel Flat plate heat exchanger and flat plate therefor
DE102004003790A1 (de) * 2004-01-23 2005-08-11 Behr Gmbh & Co. Kg Wärmetauscher, insbesondere Öl-/Kühlmittel-Kühler
CN101317069B (zh) * 2005-10-05 2010-06-16 达纳加拿大公司 用于碟形板热交换器的加强件
DE102006005106A1 (de) 2006-02-04 2007-08-09 Modine Manufacturing Co., Racine Wärmetauscher mit einer Anschlussplatte, insbesondere Ladeluftkühler
DE102006022445A1 (de) * 2006-05-13 2007-11-15 Modine Manufacturing Co., Racine Wärmetauscher, insbesondere Ölkühler
DE102009030095A1 (de) 2009-06-22 2010-12-23 Behr Gmbh & Co. Kg Stapelscheibenkühler
AT508537B1 (de) * 2009-07-16 2011-04-15 Mahle Int Gmbh Plattenwärmetauscher mit mehreren übereinander gestapelten platten
US20110024095A1 (en) * 2009-07-30 2011-02-03 Mark Kozdras Heat Exchanger with End Plate Providing Mounting Flange

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102011080829A1 (de) 2013-02-14
EP2557383A2 (fr) 2013-02-13
EP2557383A3 (fr) 2014-03-05

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