EP2454547B1 - Échangeur de chaleur à plaques constitué de plusieurs plaques empilées les unes sur les autres - Google Patents

Échangeur de chaleur à plaques constitué de plusieurs plaques empilées les unes sur les autres Download PDF

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Publication number
EP2454547B1
EP2454547B1 EP10732347.9A EP10732347A EP2454547B1 EP 2454547 B1 EP2454547 B1 EP 2454547B1 EP 10732347 A EP10732347 A EP 10732347A EP 2454547 B1 EP2454547 B1 EP 2454547B1
Authority
EP
European Patent Office
Prior art keywords
plate
heat exchanger
end plate
plate heat
adjacent
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
EP10732347.9A
Other languages
German (de)
English (en)
Other versions
EP2454547A2 (fr
Inventor
Klaus Otahal
Niki Hawa
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 EP2454547A2 publication Critical patent/EP2454547A2/fr
Application granted granted Critical
Publication of EP2454547B1 publication Critical patent/EP2454547B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • 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
    • 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
    • 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
    • F28D2021/0089—Oil coolers
    • 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
    • F28F2225/04—Reinforcing means for conduits
    • 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
    • F28F2275/04—Fastening; Joining by brazing
    • 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 invention relates to a plate heat exchanger according to the preamble of claim 1.
  • WO 2005/071342 A1 discloses such a plate heat exchanger.
  • the EP 0 623 798 A2 describes a plate heat exchanger with stacked trough-shaped heat exchanger plates whose peripheral edges abut each other and are sealed together, all heat exchanger plates have the same shape.
  • the lowermost of the trough-shaped plates attached to the end plate is the weakest member in terms of strength.
  • the notch formed in the usual construction between the lower trough-shaped plate and the end plate is unfavorable in terms of force introduction and strength.
  • Oil coolers of this type are generally attached to the end plate by means of screws on the engine block or on modules close to the engine, and are therefore subjected to high lateral acceleration forces due to the engine vibrations during operation of the engine.
  • a usually even more critical load results from the pulsating oil pressure of the lubrication system. This acts on the one hand from the inside in the individual oil layers and on the other hand from below on the connection plate.
  • the opposite module or the motor housing is usually designed at the interface with longer, open oil guide channels, which are closed by means of a contour seal and the heat exchanger end plate. Due to the bias of the seal and in particular by the swelling oil pressure in the connection channels, the heat exchanger connection plate is loaded on bending.
  • Plate heat exchangers of the type mentioned usually do not withstand such loads, the mentioned notch is often the starting point of cracks in the bottom plate oil or in the soldering. The result is leakage and media loss.
  • a plate heat exchanger for a motor vehicle engine which consists of a plurality of trough-shaped plates which are stacked and soldered to form adjacent hollow chambers with their upstanding edges spaced, wherein the lowermost plate is attached to an end plate.
  • a reinforcing plate provided with a rim bordering the bottom plate. The reinforcement plate is soldered to the bottom plate.
  • the WO 2007/038871 A1 describes a plate heat exchanger with an end plate and a stack of trough-shaped plates, the bottom plate rests flat against the end plate.
  • the bottom plate is surrounded by a circumferential stiffening frame.
  • the end plate designed as a sheet-metal punched part is usually dimensioned correspondingly larger, which, however, increases the space requirement, the weight and the costs.
  • the object of the invention is to meet the requirements in terms of strength in a plate heat exchanger of the type mentioned, without increasing the overall height or material use significantly.
  • the wall surface may be formed by an inner circumferential surface of a substantially trough-like receptacle of the end plate for the adjacent plate. It is particularly advantageous if the end plate forms a mounting plate of the plate heat exchanger. Parts can be saved, if the receptacle is at least partially formed by a molded recess in the end plate.
  • the end plate consists of a substantially flat plate member and a frame part preferably inseparably connected to the frame part, wherein the receptacle may be at least partially formed by the frame part.
  • the depth of the recording should be at least equal to the height of the edge of the adjacent plate.
  • the wall surface is formed by an outer circumferential surface of the end plate. It is particularly advantageous if the end plate forms a cover plate of the plate heat exchanger.
  • the adjacent plate contacts the end plate at least predominantly with the end plate facing surface, wherein preferably the end plate is soldered to the adjacent plate.
  • openings such as inlet or outlet openings for the first or second coolant poured.
  • FIG. 1 a plate heat exchanger according to the invention in an oblique view in a first embodiment
  • Fig. 2 the plate heat exchanger in a section along the line II-II in Fig. 1
  • Fig. 3 an end plate of this Plate heat exchanger in an oblique view from above
  • Fig. 4 this end plate in an oblique view from below
  • Fig. 5 a plate heat exchanger according to the invention in an oblique view in a second embodiment
  • Fig. 6 the plate heat exchanger in a section along the line VI-VI in Fig. 5 .
  • Fig. 7 a frame part of this plate heat exchanger in an oblique view from above
  • Fig. 1 a plate heat exchanger according to the invention in an oblique view in a first embodiment
  • Fig. 2 the plate heat exchanger in a section along the line II-II in Fig. 1 .
  • Fig. 3 an end plate of this Plate heat exchanger in an oblique view
  • Fig. 9 a plate heat exchanger according to the invention in an oblique view in a third embodiment
  • Fig. 10 the plate heat exchanger in a section along the line XX in Fig. 9
  • Fig. 11 an end plate of this plate heat exchanger in an oblique view from above
  • Fig. 12 this end plate in an oblique view from below
  • Fig. 13 the end plate off Fig. 11 in an embodiment in an oblique view from above
  • Fig. 14 the end plate in an oblique view from below.
  • the Fig. 1 and 2 show a plate heat exchanger 1 with a number of stacked trough-shaped plates 2, wherein between the two adjacent plates 2 each have a flow space 3 is formed for a first or second medium.
  • the edges 4 each two adjacent plates 2 are soldered together.
  • an end plate 7 made of an aluminum alloy is arranged in the region of the side 6 facing away from the edge 4.
  • the end plate 7 is fixedly connected to at least one adjacent plate 2 at the lower end 14 stack 5 fixed to an end plate 7, wherein the peripheral edge 4 of the adjacent plate 2 supported on a parallel to this edge 4 formed wall surface 19 of the end plate 7 and this wall surface 19 is firmly connected.
  • the wall surface 19 is in this case formed between flat, parallel surfaces 7 ', 7 "of the end plate 7 Fig. 1 to 4
  • the wall surface 19 is formed by an inner surface 16 of a substantially trough-like receptacle 17 of the end plate 7 for the adjacent plate 2, wherein the receptacle 17 is designed as a recess 18 formed in the end plate 7, which is substantially the shape of the lowermost Plate 2 has.
  • the end plate 7 with the recess 8 may be made, for example, by a Thixoguss vide.
  • the depth t of the recess 8 substantially corresponds at least to the height h of the edge 4 of a plate 2.
  • the bottom plate 2 is completely taken up by the recess 8, wherein the end plate 7 facing surface 2a of the plate. 2 over the entire surface of the end plate 7 rests. In this case, the entire surface 2a of the plate 2 is soldered to the end plate 7.
  • 7 openings 9 are formed for the inlet or outlet of the cooling media in the end plate.
  • the strength of the plate heat exchanger 1 can be sufficiently increased by means of the end plate 7 made of an aluminum alloy produced, for example, by the thixocasting process, without having to accept significant disadvantages in terms of height and weight.
  • the end plate 7 consists of a substantially flat plate part 7a formed by a punching plate and a frame part 7b connected inseparably therewith, the frame part 7b forming an additional reinforcement comprising the heat exchanger block.
  • the frame part 7b is formed with one of the above-mentioned manufacturing methods, so that a similar body as in the FIGS. 1 to 4 Embodiment 1 arises.
  • the frame part 7b forms a receptacle 17 for the adjacent plate 2, wherein a wall surface 19 formed by an inner circumferential surface 16 of the frame part 7b supports the edge 4 of the adjacent plate 2.
  • the flat plate member 7a formed by a sheet metal plate may have solder plating, it is possible to directly solder a turbulence insert 10 thereon. This saves a disk.
  • FIGS. 1 to 8 illustrated embodiments forms the end plate 7 each having a mounting holes 11 mounting plate 12.
  • the Fig. 9 to 14 show plate heat exchanger 1, in which the end plate 7 forms a cover plate 13.
  • the cover plate 13 must also withstand oil pressure and vibration or burden the remaining plate structure of the plate heat exchanger 1 least possible.
  • the edges 4 of the top plate 2 at the upper end 15 of the stack 5 are based on the wall surface 19 formed by an outer surface 18 of the end plate 7 and are firmly connected thereto by soldering.
  • the surface of the end plate 7 can be structured, for example in the form of a honeycomb structure 20, be formed.
  • one (or more) connecting piece 21 may be integrated, which is preferably produced in the same manufacturing step as the end plate 7 itself, as in FIGS. 13 and 14 is shown.

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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)

Claims (11)

  1. Échangeur thermique à plaques (1) comportant plusieurs plaques empilées les unes sur les autres (2), qui définissent en alternance respectivement un premier et un deuxième espace de débit (3) pour un premier respectivement un deuxième milieu, dans lequel chaque plaque (2) présente un bord circonférentiel (4) et est conçue essentiellement en forme de bac, et dans lequel deux plaques voisines (2) sont respectivement reliées l'une à l'autre par l'intermédiaire des bords circonférentiels (4), et dans lequel une plaque d'extrémité (7) est reliée solidement avec au moins une plaque voisine (2) sur au moins une extrémité de la pile (5) solidement avec une plaque d'extrémité (7), dans lequel le bord circonférentiel (4) de la plaque voisine (2) est appuyé sur une surface de paroi (19) de la plaque d'extrémité (7) réalisée parallèlement à ce bord (4) et est relié solidement avec cette surface de paroi (19), dans lequel :
    - la plaque d'extrémité (7) est constituée d'un alliage d'aluminium, dans lequel de préférence la surface de paroi (19) est réalisée entre deux surfaces parallèles, essentiellement plates (7',7") de la plaque d'extrémité (7),
    - la surface de paroi (19) est formée par une surface de gaine intérieure (16) d'un réceptacle (17) de la plaque d'extrémité (7) essentiellement en forme de bac destiné à la plaque voisine (2), caractérisé en ce que
    - la profondeur (t) d'un réceptacle (17) correspond au moins à la hauteur (h) du bord (4) de la plaque (2).
  2. Échangeur thermique à plaques (1) selon la revendication 1,
    caractérisé en ce que
    le réceptacle (17) est formé au moins partiellement par une cavité (8) ménagée dans la plaque d'extrémité (7).
  3. Échangeur thermique à plaques (1) selon la revendication 1 ou 2,
    caractérisée en ce que
    la plaque d'extrémité (7) est constituée d'une partie de plaque essentiellement plate (7a) et d'une partie d'armature (7b) reliée de manière de préférence inséparable à la partie de plaque (7a), dans lequel le réceptacle (17) est formé au moins partiellement par la partie d'armature (7b).
  4. Échangeur thermique à plaques (1) selon une des revendications 1 à 3,
    caractérisé en ce que
    la plaque voisine (2) contacte la plaque d'extrémité (7) au moins essentiellement par la surface tournée (2a) vers la plaque d'extrémité (7).
  5. Echangeur thermique à plaques (1) selon une des revendications 1 à 4,
    caractérisé en ce que
    la plaque d'extrémité (7) est brasée, de préférence sur la totalité de sa surface, avec la plaque voisine (2).
  6. Echangeur thermique à plaques (1) selon une des revendications 1 à 3,
    caractérisé en ce que
    entre la plaque voisine (2) et la plaque d'extrémité (7) un intercalaire de turbulence (10) de préférence brasé avec la plaque d'extrémité (7) est disposé.
  7. Echangeur thermique à plaques (1) selon une des revendications 1 à 6,
    caractérisé en ce que
    la plaque d'extrémité (7) présente une ouverture coulée conjointement (9) et/ou au moins un embout de raccordement (21) coulé conjointement destiné à l'amenée ou l'évacuation du premier ou deuxième milieu.
  8. Echangeur thermique à plaques (1) selon une des revendications 1 à 7,
    caractérisé en ce que
    la plaque d'extrémité (7) est fabriquée par un procédé de coulée d'aluminium, de préférence par un procédé de coulée thixotropique ou un procédé de coulée sous pression Vacural.
  9. Echangeur thermique à plaques (1) selon une des revendications 1 à 8,
    caractérisé en ce que
    la plaque d'extrémité (7) forme une plaque de montage (12) de l'échangeur thermique à plaques (1).
  10. Echangeur thermique à plaques (1) selon une des revendications 1 à 9,
    caractérisé en ce que
    la plaque d'extrémité (7) forme une plaque de couvercle (13) de l'échangeur thermique à plaques (1).
  11. Echangeur thermique à plaques (1) selon une des revendications 1 à 10,
    caractérisé en ce que
    la plaque d'extrémité (7) présente au moins partiellement des cavités à des fins de réduction du poids, de préférence une structure en nid d'abeilles (20).
EP10732347.9A 2009-07-16 2010-07-08 Échangeur de chaleur à plaques constitué de plusieurs plaques empilées les unes sur les autres Not-in-force EP2454547B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0111709A AT508537B1 (de) 2009-07-16 2009-07-16 Plattenwärmetauscher mit mehreren übereinander gestapelten platten
PCT/EP2010/059800 WO2011006825A2 (fr) 2009-07-16 2010-07-08 Échangeur de chaleur à plaques constitué de plusieurs plaques empilées les unes sur les autres

Publications (2)

Publication Number Publication Date
EP2454547A2 EP2454547A2 (fr) 2012-05-23
EP2454547B1 true EP2454547B1 (fr) 2016-04-06

Family

ID=43449879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10732347.9A Not-in-force EP2454547B1 (fr) 2009-07-16 2010-07-08 Échangeur de chaleur à plaques constitué de plusieurs plaques empilées les unes sur les autres

Country Status (7)

Country Link
US (1) US9528773B2 (fr)
EP (1) EP2454547B1 (fr)
JP (1) JP5675802B2 (fr)
CN (1) CN102483310A (fr)
AT (1) AT508537B1 (fr)
PL (1) PL2454547T3 (fr)
WO (1) WO2011006825A2 (fr)

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DE102020005113A1 (de) 2020-08-20 2022-02-24 Daimler Ag Bauteilanordnung für einen Kraftwagen und Verfahren zum Herstellen einer solchen Bauteilanordnung

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DE102011080829A1 (de) * 2011-08-11 2013-02-14 Mahle International Gmbh Plattenwärmetauscher
DE102012202276A1 (de) * 2012-02-15 2013-08-22 Mahle International Gmbh Plattenwärmetauscher
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EP3126771B1 (fr) * 2014-04-04 2022-04-06 TitanX Holding AB Échangeur de chaleur et procédé de fabrication d'un échangeur de chaleur
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CN109681617B (zh) * 2017-10-18 2020-09-29 浙江三花汽车零部件有限公司 一种热交换装置
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CN113154911B (zh) * 2020-01-22 2023-03-03 丹佛斯有限公司 用于板式换热器的盖板和板式换热器

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Also Published As

Publication number Publication date
AT508537A1 (de) 2011-02-15
CN102483310A (zh) 2012-05-30
US9528773B2 (en) 2016-12-27
PL2454547T3 (pl) 2016-12-30
AT508537B1 (de) 2011-04-15
WO2011006825A3 (fr) 2011-06-23
US20120175092A1 (en) 2012-07-12
EP2454547A2 (fr) 2012-05-23
JP2012533047A (ja) 2012-12-20
WO2011006825A2 (fr) 2011-01-20
JP5675802B2 (ja) 2015-02-25

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