EP2742305B1 - Plate heat exchanger - Google Patents

Plate heat exchanger Download PDF

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Publication number
EP2742305B1
EP2742305B1 EP12740964.7A EP12740964A EP2742305B1 EP 2742305 B1 EP2742305 B1 EP 2742305B1 EP 12740964 A EP12740964 A EP 12740964A EP 2742305 B1 EP2742305 B1 EP 2742305B1
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EP
European Patent Office
Prior art keywords
plate
heat exchanger
flange
edge
stack
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
EP12740964.7A
Other languages
German (de)
French (fr)
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EP2742305A1 (en
Inventor
Andreas GRÜNER
Clemens Schupp
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Mahle International GmbH
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Mahle International GmbH
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Priority to PL12740964T priority Critical patent/PL2742305T3/en
Publication of EP2742305A1 publication Critical patent/EP2742305A1/en
Application granted granted Critical
Publication of EP2742305B1 publication Critical patent/EP2742305B1/en
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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
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • 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
    • 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

Definitions

  • the invention relates to a plate heat exchanger according to the preamble of claim 1.
  • plate heat exchangers are from US 2011/0024095 A1 known.
  • DE 10 2009 030 095 A1 EP 0 623 798 A2 and EP 1 562 014 A1 be directed, which show similar heat exchangers.
  • Other plate heat exchangers are for example from DE 10 2004 003 790 A1 , of the DE 10 2010 001 828 A1 , of the WO 2007/038871 A1 , of the WO 2011/006825 A2 and the WO 2011/011861 A1 known.
  • Such plate heat exchangers are typically used in motor vehicles as oil coolers, i. the one chambers are flowed through by the oil to be cooled and the other chambers of the serving as a cooling medium cooling water. With a view to a good efficiency is regularly provided to let the two fluids in heat exchange flow in opposite directions of flow in order to realize a heat exchange according to the countercurrent principle.
  • a so-called cross-flow construction is known in which the flow paths of the two fluids cross diagonally, such that the flow paths have large oppositely directed directional components.
  • the heat exchanger When used as an oil cooler of an internal combustion engine, the heat exchanger is regularly supported on stable parts of the motor housing, in which case a stress by the engine-side vibrations is inevitable.
  • the object of the invention is to provide a permanently safe against vibration and temperature changes construction.
  • the invention is based on the general idea of optimally positioning the attachment points of the base plate and forming the base plate or connection plate comparatively thin-walled with a receiving frame resting on the bottom and / or side of the tray in a form-fitting manner.
  • an optimal adaptation to the shape of the plate stack and a large-scale investment of the base or connection plate are ensured on the plate stack.
  • the base or connection plate supports the heat exchanger over a large area and, accordingly, all connections, in particular solder connections or the like, between the heat exchanger and the base plate or connection plate are loaded comparatively little.
  • the base or connection plate forms with their inclusion for the plate stack a bedmiegen to the bottom or tub edge of the end plate bed.
  • the base or terminal plate may be formed as a one-piece molding, wherein the flange merges at its inner edge into the receptacle or the bed and can be bent at its outer edge according to a further advantageous embodiment of the invention.
  • the base or connection plate may also be composed of two parts or more parts, i. be designed as a built part.
  • a double-layered or multi-layered flange may be provided.
  • serving to form the double layer annular flat material blank is bent at its inner edge zone to a voltage applied to the tub edge of the front plate of the plate stack wall.
  • the outer edge of the aforementioned flat material blank is bent over, so that a particularly rigid profile is formed.
  • Fig. 1 illustrated basic or connecting plate 10 consists of a flat material, such as sheet metal, preferably aluminum or stainless steel sheet, which is formed according to the drawing.
  • the base plate 10 has a molded bed 11 whose shape conforms to the shape of the plate heat exchanger to be received, as will become apparent below.
  • a large rectangular Recess 12 provided, which contributes to weight savings.
  • 11 openings 13 are arranged for the fluid connections of the plate heat exchanger in the bottom surface of the bed.
  • the bed 11 is framed by a flange surface 15, which is provided for stiffening with a downwardly bent edge 14.
  • the flange 15 is circumferentially bent / bent both at its stack-side inner edge and at its free outer edge, wherein provided on the flange mounting holes 16 are arranged between the two circumferential bends.
  • the flange 15 is considerably stiffened by the fact that it forms with the edge surfaces of the bed 11, a frame 11 framing angle profile.
  • the flange 15 has the shape of an elongated octagon, so that there are relatively wide Flansch vom Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoff Kunststoffe at mounting holes 16.
  • basic or connection plate 10 can be formed in a simple manner from a sheet or other flat material by pressing, stamping or deep drawing.
  • a flat material is possibly also a plate of a sufficiently heat-resistant and deformable material that may be reinforced with fibers suitable. The transformation of such a workpiece can be done in a similar manner as the deformation of the sheet.
  • Fig. 2 now shows the base or terminal plate 10 in combination with a plate heat exchanger 1.
  • This consists in basically known manner of stacked plates 2 in the form of shallow trays with substantially flat bottoms. Between each two plates remains a layered flow space for a fluid, such as water or oil.
  • the plates 2 are shaped and formed so that when the plates 2 are assembled into a stack, first and second flow spaces are formed, each connected in parallel, with the first and second flow spaces alternately following each other within the plate stack.
  • a through-flow of oil flow space immediately adjacent to one Flowed through by water flow chamber arranged.
  • At the top or bottom plate 2 of the heat exchanger 1 can be attached connecting lines for the supply and discharge of the two fluids or be.
  • Fig. 2 shows that the bed 11 (compare the Fig. 1 ) to the convex side in the representation of Fig. 2 bottom plate 2 of the plate heat exchanger 1 is adapted and accordingly conforms to the edge zones of the bottom and the tub rim of this plate.
  • This fixation can be done in a basically known manner by the fact that the edge of the recess 12 (see Fig. 1 ) is soldered or welded to the bottom of the bottom plate 2 of the plate heat exchanger 1.
  • the above-mentioned (not shown) connecting lines of the plate heat exchanger 1 for anchoring or fixing the plate heat exchanger 1 to the in Fig. 1 serve openings 13 or contribute.
  • a built base or connection plate 20 is provided.
  • This consists of a flat plate 21, which has the shape of an elongated octagon.
  • an annular flange 22 is arranged lying, which is provided with an upwardly curved outer edge and an upwardly curved inner edge.
  • the flange 22 on the base or connection plate 20 is thus circumferentially bent / angled both at its stack-side inner edge and at its free outer edge, wherein the flange 22 provided fastening holes 16 are arranged between the two circumferential bends.
  • the outer edge is adapted to the octagonal shape of the plate 21, the inner edge has a rectangular shape corresponding to the floor plan of the recordable from the base plate or plate plate heat exchanger 1.
  • the bed 11 provided for receiving the plate heat exchanger 1 is formed by the bent inner edge of the flange plate 22 and the central region of the plate 21 extending within this edge.
  • the openings 13 in Fig. 1 corresponding openings 23 are provided for connecting lines of the plate heat exchanger 1.
  • the flange 15, 22 can also form a U-profile with a mounting holes 16 receiving U-base, each having a maximum width at the mounting holes 16.
  • the bent inner edge of the flange plate 22 is adapted to the inclination of the tub rim of the lowermost plate of the plate heat exchanger and accordingly conforms to the tub rim.
  • the base plate or terminal plate 10 and 20 is ensured by the shape of a high stability even when manufactured from a thin-walled sheet. This is achieved in particular by the fact that the flange surface 15 in Fig. 1 forms with the downwardly bent outer edge and the transition to the bed 11 a semi-tube-like profile. Similarly, the flange plate 22 also has a half tube-like profile with its upwardly curved inner and outer edges.
  • Deviating from the presentation of Fig. 3 could in the plate 21 in the central region of the recess 12 in Fig. 1 be provided corresponding opening.

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  • 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)

Description

Die Erfindung bezieht sich auf einen Plattenwärmetauscher gemäß dem Oberbegriff des Anspruches 1.The invention relates to a plate heat exchanger according to the preamble of claim 1.

Derartige Plattenwärmetauscher sind aus der US 2011/0024095 A1 bekannt. Au-ßerdem kann auf die DE 10 2009 030 095 A1 , EP 0 623 798 A2 und EP 1 562 014 A1 verwiesen werden, die ähnliche Wärmetauscher zeigen. Weitere Plattenwärmetauscher sind beispielsweise aus der DE 10 2004 003 790 A1 , der DE 10 2010 001 828 A1 , der WO 2007/038871 A1 , der WO 2011/006825 A2 und der WO 2011/011861 A1 bekannt.Such plate heat exchangers are from US 2011/0024095 A1 known. In addition, on the DE 10 2009 030 095 A1 . EP 0 623 798 A2 and EP 1 562 014 A1 be directed, which show similar heat exchangers. Other plate heat exchangers are for example from DE 10 2004 003 790 A1 , of the DE 10 2010 001 828 A1 , of the WO 2007/038871 A1 , of the WO 2011/006825 A2 and the WO 2011/011861 A1 known.

Derartige Plattenwärmetauscher werden typischerweise in Kraftfahrzeugen als Ölkühler eingesetzt, d.h. die einen Kammern werden vom zu kühlenden Öl und die anderen Kammern von dem als Kühlmedium dienenden Kühlwasser durchströmt. Im Hinblick auf einen guten Wirkungsgrad ist dabei regelmäßig vorgesehen, die beiden im Wärmeaustausch stehenden Fluide in einander entgegengesetzten Strömungsrichtungen fließen zu lassen, um einen Wärmeaustausch nach dem Gegenstromprinzip zu verwirklichen. Alternativ ist auch eine sogenannte Kreuzstrombauweise bekannt, bei der sich die Strömungswege der beiden Fluide diagonal überkreuzen, derart, dass die Strömungswege große einander entgegen gerichtete Richtungskomponenten aufweisen.Such plate heat exchangers are typically used in motor vehicles as oil coolers, i. the one chambers are flowed through by the oil to be cooled and the other chambers of the serving as a cooling medium cooling water. With a view to a good efficiency is regularly provided to let the two fluids in heat exchange flow in opposite directions of flow in order to realize a heat exchange according to the countercurrent principle. Alternatively, a so-called cross-flow construction is known in which the flow paths of the two fluids cross diagonally, such that the flow paths have large oppositely directed directional components.

Bei Verwendung als Ölkühler eines Verbrennungsmotors ist der Wärmetauscher regelmäßig an stabilen Teilen des Motorgehäuses gehaltert, wobei dann eine Beanspruchung durch die motorseitigen Vibrationen unvermeidlich wird.When used as an oil cooler of an internal combustion engine, the heat exchanger is regularly supported on stable parts of the motor housing, in which case a stress by the engine-side vibrations is inevitable.

Hinzu treten Belastungen durch wechselnde Temperaturen, die zu mehr oder weniger großen Verspannungen zwischen benachbarten Platten führen können. Da die Entwicklung von Verbrennungsmotoren jetzt und in Zukunft eine Tendenz in Richtung von Verbrennungsmotoren mit kleinen Hubräumen und vergleichsweise geringer Zylinderzahl haben wird, nehmen die Beanspruchungen durch Temperaturwechsel und Vibrationen tendenziell zu.In addition, stresses occur due to changing temperatures, which can lead to more or less great tension between adjacent plates. Since the development of internal combustion engines now and in the future will have a tendency towards small displacement internal combustion engines with a comparatively small number of cylinders, the stresses of temperature cycling and vibration tend to increase.

Bei bisherigen Plattenwärmetauschern sind im Verbindungsbereich zwischen Plattenstapel und Grund- bzw. Anschlussplatte nach längerer Einsatzzeit des Wärmetauschers Risse aufgetreten, so dass keine an die Lebensdauer des jeweiligen Verbrennungsmotors angepasste Einsatzzeit erreicht werden konnte.In previous plate heat exchangers, cracks have occurred in the connection area between the plate stack and the base plate or connecting plate after a long service life of the heat exchanger, so that no operating time adapted to the service life of the respective internal combustion engine could be achieved.

Hier setzt die Erfindung an, wobei eine einfache und leichtgewichtige Konstruktion angestrebt wird.This is where the invention comes in, aiming for a simple and lightweight construction.

Aufgabe der Erfindung ist es, eine gegenüber Vibrationen und Temperaturwechseln dauerhaft sichere Konstruktion zu schaffen.The object of the invention is to provide a permanently safe against vibration and temperature changes construction.

Diese Aufgabe wird bei einem Plattenwärmetauscher der eingangs angegebenen Art erfindungsgemäß durch die Merkmale des Kennzeichens des Anspruches 1 gelöst.This object is achieved according to the invention in a plate heat exchanger of the type specified by the features of the characterizing part of claim 1.

Die Erfindung beruht auf dem allgemeinen Gedanken, die Befestigungspunkte der Grundplatte optimal zu positionieren und die Grund- bzw. Anschlussplatte vergleichsweise dünnwandig mit einem formschlüssig am Boden- und/oder Wannenrand der stirnseitigen Platte anliegenden Aufnahmerahmen auszubilden. Damit werden eine optimale Anpassung an die Form des Plattenstapels sowie eine großflächige Anlage der Grund- bzw. Anschlussplatte am Plattenstapel gewährleistet.The invention is based on the general idea of optimally positioning the attachment points of the base plate and forming the base plate or connection plate comparatively thin-walled with a receiving frame resting on the bottom and / or side of the tray in a form-fitting manner. Thus, an optimal adaptation to the shape of the plate stack and a large-scale investment of the base or connection plate are ensured on the plate stack.

Insbesondere ist vorteilhaft, dass die Grund- bzw. Anschlussplatte den Wärmetauscher großflächig abstützt und dementsprechend alle Verbindungen, insbesondere Lötverbindungen oder dgl., zwischen Wärmetauscher und Grund- bzw. Anschlussplatte vergleichsweise wenig belastet werden.In particular, it is advantageous that the base or connection plate supports the heat exchanger over a large area and, accordingly, all connections, in particular solder connections or the like, between the heat exchanger and the base plate or connection plate are loaded comparatively little.

All diese Vorteile werden in besonders hohem Maße verwirklicht, wenn die Grund- bzw. Anschlussplatte gemäß einer bevorzugten Ausführungsform der Erfindung mit ihrer Aufnahme für den Plattenstapel ein an den Boden- bzw. Wannenrand der stirnseitigen Platte angeschmiegtes Bett bildet. In herstellungsmäßig besonders einfacher Ausgestaltung kann die Grund- bzw. Anschlussplatte als einstückiges Formteil ausgebildet sein, wobei der Flansch an seinem Innenrand in die Aufnahme beziehungsweise das Bett übergeht und an seinem äußeren Rand gemäß einer weiteren zweckmäßigen Ausgestaltung der Erfindung umgebogen sein kann.All these advantages are realized to a particularly high degree, if the base or connection plate according to a preferred embodiment of the invention forms with their inclusion for the plate stack a bedmiegen to the bottom or tub edge of the end plate bed. In manufacturing moderately simple embodiment, the base or terminal plate may be formed as a one-piece molding, wherein the flange merges at its inner edge into the receptacle or the bed and can be bent at its outer edge according to a further advantageous embodiment of the invention.

Gemäß einer weiteren vorteilhaften Ausführungsform der Erfindung kann die Grund- bzw. Anschlussplatte auch zweiteilig oder mehrteilig zusammengesetzt sein, d.h. als gebautes Teil ausgebildet sein. Insbesondere kann dabei ein doppellagiger oder mehrlagiger Flansch vorgesehen sein.According to a further advantageous embodiment of the invention, the base or connection plate may also be composed of two parts or more parts, i. be designed as a built part. In particular, a double-layered or multi-layered flange may be provided.

Gemäß einer vorteilhaften Ausgestaltung dieser Bauform ist dann ein zur Bildung der Doppellage dienender ringförmiger Flachmaterialzuschnitt an seiner inneren Randzone zu einer am Wannenrand der stirnseitigen Platte des Plattenstapels anliegenden Wandung umgebogen. Darüber hinaus ist auch der äußere Rand des vorgenannten Flachmaterialzuschnitts umgebogen sein, so dass ein besonders steifes Profil gebildet. Im Übrigen wird hinsichtlich bevorzugter Merkmale der Erfindung auf die abhängigen Ansprüche und die nachfolgende Erläuterung der Zeichnung verwiesen, anhand der besonders bevorzugte Ausführungsformen näher beschrieben werden.According to an advantageous embodiment of this design then serving to form the double layer annular flat material blank is bent at its inner edge zone to a voltage applied to the tub edge of the front plate of the plate stack wall. In addition, the outer edge of the aforementioned flat material blank is bent over, so that a particularly rigid profile is formed. Incidentally, with regard to preferred features of the invention, reference is made to the dependent claims and the following explanation of the drawing, with reference to the particularly preferred embodiments will be described in more detail.

In der Zeichnung zeigt:

Fig. 1
eine perspektivische Draufsicht auf die Grund- bzw. Anschlussplatte,
Fig. 2
einen Längsschnitt dieser Grund- bzw. Anschlussplatte mit eingesetztem Plattenwärmetauscher,
Fig. 3
eine der Fig. 1 entsprechende perspektivische Ansicht einer Grundbzw. Anschlussplatte gemäß einer abgewandelten Ausführungsform und
Fig. 4
einen Längsschnitt dieser Grund- bzw. Anschlussplatte mit eingesetztem Plattenwärmetauscher.
In the drawing shows:
Fig. 1
a perspective top view of the base or connection plate,
Fig. 2
a longitudinal section of this base or connection plate with inserted plate heat exchanger,
Fig. 3
one of the Fig. 1 corresponding perspective view of a Grundbzw. Connection plate according to a modified embodiment and
Fig. 4
a longitudinal section of this base or connection plate with inserted plate heat exchanger.

Die in Fig. 1 dargestellte Grund- bzw. Anschlussplatte 10 besteht aus einem Flachmaterial, beispielsweise Blech, vorzugsweise Aluminium oder Edelstahlblech, welches entsprechend der Zeichnung umgeformt ist. Wie dargestellt, besitzt die Grund- bzw. Anschlussplatte 10 ein eingeformtes Bett 11, dessen Form der Form des aufzunehmenden Plattenwärmetauschers angepasst ist, wie weiter unten deutlich wird. Innerhalb des Bodens des Bettes ist eine große rechteckige Aussparung 12 vorgesehen, die zur Gewichtseinsparung beiträgt. Außerdem sind in der Bodenfläche des Bettes 11 Öffnungen 13 für die Fluidanschlüsse des Plattenwärmetauschers angeordnet. Das Bett 11 wird umrahmt von einer Flanschfläche 15, die zur Versteifung mit einem nach abwärts umgebogenen Rand 14 versehen ist. Die Flanschfläche 15 ist sowohl an seinem stapelseitigen inneren Rand als auch an seinem freien äußeren Rand umlaufend umgebogen/abgewinkelt, wobei am Flansch vorgesehene Befestigungslöcher 16 zwischen den beiden umlaufenden Abwinklungen angeordnet sind. Im Übrigen wird die Flanschfläche 15 dadurch erheblich versteift, dass sie mit den Randflächen des Bettes 11 ein das Bett 11 umrahmendes Winkelprofil bildet. In Draufsicht besitzt die Flanschfläche 15 die Form eines langgestreckten Achtecks, so dass an Befestigungslöchern 16 vergleichsweise breite Flanschflächenbereiche vorliegen. Die in Fig. 1 dargestellte Grund- bzw. Anschlussplatte 10 kann in einfacher Weise aus einem Blech oder einem sonstigen Flachmaterial durch Pressung, Prägung oder Tiefziehen geformt werden. Als Flachmaterial ist ggf. auch eine Platte aus einem hinreichend hitzefesten und umformbaren Material, das mit Fasern verstärkt sein kann, geeignet. Die Umformung eines solchen Werkstückes kann in ähnlicher Weise wie die Umformung vom Blech erfolgen.In the Fig. 1 illustrated basic or connecting plate 10 consists of a flat material, such as sheet metal, preferably aluminum or stainless steel sheet, which is formed according to the drawing. As shown, the base plate 10 has a molded bed 11 whose shape conforms to the shape of the plate heat exchanger to be received, as will become apparent below. Inside the bottom of the bed is a large rectangular Recess 12 provided, which contributes to weight savings. In addition, 11 openings 13 are arranged for the fluid connections of the plate heat exchanger in the bottom surface of the bed. The bed 11 is framed by a flange surface 15, which is provided for stiffening with a downwardly bent edge 14. The flange 15 is circumferentially bent / bent both at its stack-side inner edge and at its free outer edge, wherein provided on the flange mounting holes 16 are arranged between the two circumferential bends. Incidentally, the flange 15 is considerably stiffened by the fact that it forms with the edge surfaces of the bed 11, a frame 11 framing angle profile. In plan view, the flange 15 has the shape of an elongated octagon, so that there are relatively wide Flanschflächenbereiche at mounting holes 16. In the Fig. 1 illustrated basic or connection plate 10 can be formed in a simple manner from a sheet or other flat material by pressing, stamping or deep drawing. As a flat material is possibly also a plate of a sufficiently heat-resistant and deformable material that may be reinforced with fibers suitable. The transformation of such a workpiece can be done in a similar manner as the deformation of the sheet.

Fig. 2 zeigt nun die Grund- bzw. Anschlussplatte 10 in Kombination mit einem Plattenwärmetauscher 1. Dieser besteht in grundsätzlich bekannter Weise aus aufeinander gestapelten Platten 2 in Form flacher Wannen mit im Wesentlichen ebenen Böden. Zwischen je zwei Platten verbleibt ein schichtförmiger Durchflussraum für ein Fluid, z.B. Wasser oder Öl. Die Platten 2 sind so geformt und ausgebildet, dass beim Zusammenbau der Platten 2 zu einem Stapel erste und zweite Durchflussräume gebildet werden, die je für sich parallel geschaltet sind, wobei innerhalb des Plattenstapels die ersten und zweiten Durchflussräume alternierend aufeinander folgen. Somit ist im Falle eines Öl-Wasser-Wärmetauschers jeweils ein von Öl durchströmter Durchflussraum unmittelbar benachbart zu einem von Wasser durchströmten Durchflussraum angeordnet. An der obersten bzw. untersten Platte 2 des Wärmetauschers 1 können (nicht dargestellte) Anschlussleitungen für die Zu- und Ableitung der beiden Fluide angebracht sein bzw. werden. Fig. 2 now shows the base or terminal plate 10 in combination with a plate heat exchanger 1. This consists in basically known manner of stacked plates 2 in the form of shallow trays with substantially flat bottoms. Between each two plates remains a layered flow space for a fluid, such as water or oil. The plates 2 are shaped and formed so that when the plates 2 are assembled into a stack, first and second flow spaces are formed, each connected in parallel, with the first and second flow spaces alternately following each other within the plate stack. Thus, in the case of an oil-water heat exchanger, in each case a through-flow of oil flow space immediately adjacent to one Flowed through by water flow chamber arranged. At the top or bottom plate 2 of the heat exchanger 1 (not shown) can be attached connecting lines for the supply and discharge of the two fluids or be.

Fig. 2 zeigt, dass das Bett 11 (vergleiche die Fig. 1) an die Konvexseite der in der Darstellung der Fig. 2 untersten Platte 2 des Plattenwärmetauschers 1 angepasst ist und sich dementsprechend an die Randzonen des Bodens und des Wannenrandes dieser Platte anschmiegt. Fig. 2 shows that the bed 11 (compare the Fig. 1 ) to the convex side in the representation of Fig. 2 bottom plate 2 of the plate heat exchanger 1 is adapted and accordingly conforms to the edge zones of the bottom and the tub rim of this plate.

Diese Fixierung kann in grundsätzlich bekannter Weise dadurch erfolgen, dass der Rand der Aussparung 12 (vergleiche Fig. 1) mit dem Boden der untersten Platte 2 des Plattenwärmetauschers 1 verlötet oder verschweißt wird. Im Übrigen können auch die oben erwähnten (nicht dargestellten) Anschlussleitungen des Plattenwärmetauschers 1 zur Verankerung bzw. Fixierung des Plattenwärmetauschers 1 an den in Fig. 1 dargestellten Öffnungen 13 dienen oder beitragen.This fixation can be done in a basically known manner by the fact that the edge of the recess 12 (see Fig. 1 ) is soldered or welded to the bottom of the bottom plate 2 of the plate heat exchanger 1. Incidentally, the above-mentioned (not shown) connecting lines of the plate heat exchanger 1 for anchoring or fixing the plate heat exchanger 1 to the in Fig. 1 serve openings 13 or contribute.

Bei der in den Fig. 3 und 4 dargestellten Ausführungsform ist eine gebaute Grund- bzw. Anschlussplatte 20 vorgesehen. Diese besteht aus einer ebenen Platte 21, die die Form eines langgestreckten Achteckes aufweist. Auf einer Randzone dieser Platte 21 ist aufliegend ein ringförmiger Flansch 22 angeordnet, der mit einem aufwärts gebogenen Außenrand und einem aufwärts gebogenen Innenrand versehen ist. Der Flansch 22 an der Grund- bzw. Anschlussplatte 20 ist somit sowohl an seinem stapelseitigen inneren Rand als auch an seinem freien äußeren Rand umlaufend umgebogen/abgewinkelt, wobei am Flansch 22 vorgesehene Befestigungslöcher 16 zwischen den beiden umlaufenden Abwinklungen angeordnet sind. Der Außenrand ist der Achteck-Form der Platte 21 angepasst, der Innenrand besitzt eine Rechteck-Form entsprechend dem Grundriss des von der Grund- bzw. Anschlussplatte aufzunehmenden Plattenwärmetauschers 1. Im Beispiel der Fig. 3 wird also das für die Aufnahme des Plattenwärmetauschers 1 vorgesehene Bett 11 durch den aufgebogenen inneren Rand der Flanschplatte 22 sowie den innerhalb dieses Randes erstreckten Zentralbereich der Platte 21 gebildet. Dabei sind in der Platte 21 den Öffnungen 13 in Fig. 1 entsprechende Öffnungen 23 für Anschlussleitungen des Plattenwärmetauschers 1 vorgesehen.In the in the Fig. 3 and 4 illustrated embodiment, a built base or connection plate 20 is provided. This consists of a flat plate 21, which has the shape of an elongated octagon. On an edge zone of this plate 21, an annular flange 22 is arranged lying, which is provided with an upwardly curved outer edge and an upwardly curved inner edge. The flange 22 on the base or connection plate 20 is thus circumferentially bent / angled both at its stack-side inner edge and at its free outer edge, wherein the flange 22 provided fastening holes 16 are arranged between the two circumferential bends. The outer edge is adapted to the octagonal shape of the plate 21, the inner edge has a rectangular shape corresponding to the floor plan of the recordable from the base plate or plate plate heat exchanger 1. In the example of Fig. 3 Thus, the bed 11 provided for receiving the plate heat exchanger 1 is formed by the bent inner edge of the flange plate 22 and the central region of the plate 21 extending within this edge. In this case, in the plate 21, the openings 13 in Fig. 1 corresponding openings 23 are provided for connecting lines of the plate heat exchanger 1.

Der Flansch 15, 22 kann darüber hinaus ein U-Profil mit einer Befestigungslöcher 16 aufnehmenden U-Basis ausbilden, die an den Befestigungslöchern 16 jeweils eine maximale Breite besitzt.The flange 15, 22 can also form a U-profile with a mounting holes 16 receiving U-base, each having a maximum width at the mounting holes 16.

Fig. 4 zeigt nun die Kombination der Grund- bzw. Anschlussplatte 20 mit dem Plattenwärmetauscher 1. Insbesondere wird erkennbar, dass der aufgebogene Innenrand der Flanschplatte 22 der Neigung des Wannenrandes der untersten Platte des Plattenwärmetauschers angepasst ist und sich dementsprechend an den Wannenrand anschmiegt. Fig. 4 In particular, it can be seen that the bent inner edge of the flange plate 22 is adapted to the inclination of the tub rim of the lowermost plate of the plate heat exchanger and accordingly conforms to the tub rim.

Bei den dargestellten Ausführungsformen der Grund- bzw. Anschlussplatte 10 bzw. 20 wird durch deren Formgebung auch bei Herstellung aus einem dünnwandigen Flachmaterial eine hohe Stabilität gewährleistet. Dies wird insbesondere dadurch erreicht, dass die Flanschfläche 15 in Fig. 1 mit dem nach abwärts umgebogenen Außenrand und dem Übergang zum Bett 11 ein halbrohrähnliches Profil bildet. In entsprechender Weise besitzt die Flanschplatte 22 mit ihren aufwärts gebogenen Innen- und Außenrändern ebenfalls ein halbrohrähnliches Profil.In the illustrated embodiments of the base plate or terminal plate 10 and 20 is ensured by the shape of a high stability even when manufactured from a thin-walled sheet. This is achieved in particular by the fact that the flange surface 15 in Fig. 1 forms with the downwardly bent outer edge and the transition to the bed 11 a semi-tube-like profile. Similarly, the flange plate 22 also has a half tube-like profile with its upwardly curved inner and outer edges.

Abweichend von der Darstellung der Fig. 3 könnte in der Platte 21 in deren Zentralbereich eine der Aussparung 12 in Fig. 1 entsprechende Öffnung vorgesehen sein.Deviating from the presentation of Fig. 3 could in the plate 21 in the central region of the recess 12 in Fig. 1 be provided corresponding opening.

Claims (5)

  1. Plate heat exchanger (1), in particular for water and oil, comprising a plurality of stacked plates (2), each formed of flat troughs fitted into each other having substantially flat bottoms and being tightly connected at the trough edges, the plurality of plates separating first and second chambers from one another which are arranged in an alternating consecutive manner within the plate stack formed by the plates, wherein a first fluid, e.g. water, can flow in parallel through the first chambers connected in parallel via associated first openings in the plates, and a second fluid, e.g. oil, can flow in parallel through the second chambers connected in parallel via associated second openings in the plates, and a base plate or connection plate on the end face of the plate stack for holding the heat exchanger, wherein the base plate or connection plate (10, 20) is arranged on the end face of the plate stack, the end face being formed by the convex side of a plate, the base plate or connection plate formed of flat material that is shaped forming a receptacle (bed 11) resting in a frame-like manner against the bottom edge and/or trough edge of the plate on the end face, wherein a flange (15, 22) framing the plate stack is circumferentially bent/angled at its inner edge at the plate stack as well as its free outer edge, forming a half-pipe shaped U-profile, wherein the inner angled portion rests against the edge of the plate stack, wherein fastening holes (16) are provided on the flange, characterised in that the fastening holes (16) provided on the flange are arranged centrally between the two circumferential angled portions between the edges of the plate stack.
  2. Plate heat exchanger according to claim 1,
    characterised in that
    the outer free edge of the flange, in plan view on the base plate or connection plate, forms an elongated octagon, or the flange has a maximum width at each fastening hole.
  3. Plate heat exchanger according to claim 1 or 2,
    characterised in that
    the base plate or connection plate (10) is formed as an integral moulded part.
  4. Plate heat exchanger according to claim 1 or 2,
    characterised in that
    the base plate or connection plate (20) is formed as an assembled part having a double-layer or multi-layer flange (22).
  5. Plate heat exchanger according to any of claims 1 to 4,
    characterised in that
    the base plate or connection plate (10, 20) engages at least one edge region of the trough bottom of the plate at the end face of the plate stack, the base plate or connection plate having openings (13, 23) in this region on or in which fluid connections of the plate heat exchanger (1) are arranged.
EP12740964.7A 2011-08-11 2012-07-27 Plate heat exchanger Not-in-force EP2742305B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12740964T PL2742305T3 (en) 2011-08-11 2012-07-27 Plate heat exchanger

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011080828A DE102011080828A1 (en) 2011-08-11 2011-08-11 Plate heat exchanger
PCT/EP2012/064759 WO2013020828A1 (en) 2011-08-11 2012-07-27 Plate heat exchanger

Publications (2)

Publication Number Publication Date
EP2742305A1 EP2742305A1 (en) 2014-06-18
EP2742305B1 true EP2742305B1 (en) 2017-09-06

Family

ID=46598515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12740964.7A Not-in-force EP2742305B1 (en) 2011-08-11 2012-07-27 Plate heat exchanger

Country Status (7)

Country Link
US (1) US9863715B2 (en)
EP (1) EP2742305B1 (en)
JP (1) JP6072036B2 (en)
CN (1) CN103703334B (en)
DE (1) DE102011080828A1 (en)
PL (1) PL2742305T3 (en)
WO (1) WO2013020828A1 (en)

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Publication number Priority date Publication date Assignee Title
WO2019056114A1 (en) * 2017-09-22 2019-03-28 Dana Canada Corporation Localized reinforcement of stacked dish plate heat exchangers
DE102020203892A1 (en) * 2019-03-29 2020-10-01 Dana Canada Corporation EXCHANGER MODULE WITH AN ADAPTER MODULE FOR DIRECT MOUNTING ON A VEHICLE COMPONENT

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JP3427526B2 (en) * 1994-12-21 2003-07-22 株式会社デンソー Oil cooler
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DE102004003790A1 (en) 2004-01-23 2005-08-11 Behr Gmbh & Co. Kg Heat exchangers, in particular oil / coolant coolers
JP4426328B2 (en) 2004-02-06 2010-03-03 サンデン株式会社 Laminate heat exchanger
JP4431579B2 (en) * 2004-09-28 2010-03-17 株式会社ティラド EGR cooler
JP2006183945A (en) * 2004-12-28 2006-07-13 Mahle Filter Systems Japan Corp Oil cooler
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ES2304092B1 (en) * 2006-11-17 2009-07-03 Valeo Termico S.A. HEAT EXCHANGER FOR GASES, ESPECIALLY OF EXHAUST GASES OF AN ENGINE.
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Also Published As

Publication number Publication date
US20140311722A1 (en) 2014-10-23
EP2742305A1 (en) 2014-06-18
DE102011080828A1 (en) 2013-02-14
CN103703334B (en) 2017-09-19
JP2014521922A (en) 2014-08-28
US9863715B2 (en) 2018-01-09
CN103703334A (en) 2014-04-02
WO2013020828A1 (en) 2013-02-14
PL2742305T3 (en) 2017-12-29
JP6072036B2 (en) 2017-02-01

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