EP1571407A2 - Echangeur de chaleur à plaques - Google Patents

Echangeur de chaleur à plaques Download PDF

Info

Publication number
EP1571407A2
EP1571407A2 EP05003752A EP05003752A EP1571407A2 EP 1571407 A2 EP1571407 A2 EP 1571407A2 EP 05003752 A EP05003752 A EP 05003752A EP 05003752 A EP05003752 A EP 05003752A EP 1571407 A2 EP1571407 A2 EP 1571407A2
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
plate
plates
surface side
flow channels
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.)
Granted
Application number
EP05003752A
Other languages
German (de)
English (en)
Other versions
EP1571407A3 (fr
EP1571407B1 (fr
Inventor
Roland Dipl.-Ing. Strähle (FH)
Daniel Dipl.-Ing. Borst (FH)
Frank Dr. Rer.Nat. Vetter
Herbert Marschner
Daniela Welchner
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 EP1571407A2 publication Critical patent/EP1571407A2/fr
Publication of EP1571407A3 publication Critical patent/EP1571407A3/fr
Application granted granted Critical
Publication of EP1571407B1 publication Critical patent/EP1571407B1/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
    • 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
    • F28D9/0012—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 apparatus having an annular form
    • 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
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/048—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2210/00—Heat exchange conduits
    • F28F2210/10—Particular layout, e.g. for uniform temperature distribution

Definitions

  • the invention relates to a plate heat exchanger, consisting of first and second heat exchanger plates with at least four openings for two media, wherein between a base plate and a cover plate, the heat transfer plates are alternately stacked so that the openings through the stack of Form heat exchanger plates passing collection or distribution channels, where from the collection or distribution channels inlets and outlets to Flow channels between the heat exchanger plates are present, in which the heat transfer takes place, and wherein the flow channels for the one Medium from the one surface side of the first heat exchanger plate as well from the spaced one surface side of the second heat transfer plate are limited.
  • Such a plate heat exchanger is apparent from the non-prepublished European application with the publication number EP 14 00 772 A2, which belongs to the same Applicant.
  • This plate heat exchanger is suitable for heat transfer between relatively high pressure media, as prevails, for example, in an air conditioning circuit on the refrigerant side.
  • a suitable, in particular pressure-stable, design of the collection and distribution channels for the refrigerant, for example for CO 2 has been described.
  • the formation of the flow channels for the CO 2 gas was neither shown nor described there.
  • the object of the invention is a plate heat exchanger to propose for high pressure media, such as Heat exchange between the refrigerant in air conditioners and a liquid, can be used and inexpensive to produce.
  • the flow channels for the one medium are by the connection of the one on a surface side embossed first heat exchanger plate and a Surface side of an unembossed or embossed second Heat exchanger plate formed, and the flow channels for the other medium are characterized by the other unembossed surface side of the embossed first Heat exchanger plate and through the spaced other surface side of the unembossed or also embossed second heat exchanger plate formed Service.
  • the plate heat exchanger from unilaterally embossed and unembossed Heat exchanger plates.
  • the plate thicknesses of the two types of heat exchanger plates can be clearly different from each other, d. h., Preferably, the unembossed heat exchanger plates formed much thinner than the embossed heat transfer plates, resulting in a material and weight savings leads.
  • This advantage is high pressure for plate heat exchangers Media not necessarily to be expected.
  • the impressing of the allowed Flow channels whose arbitrarily shaped training to achieve the desired Heat exchange effects, what with known in the art extrusion process can not be achieved.
  • the impressions are preferably by means of a Embossing tool made on a press. They are preferably by means of Cold forming created what is well possible, especially if the Plates are made from a corresponding aluminum sheet.
  • the Production by means of embossing rollers is basically not excluded.
  • the two heat exchanger plates on the one hand connect flat with each other and in between the flow channels for the one Medium, preferably for the high-pressure medium, in the form of imprints form and on the other hand, the two heat exchanger plates with a distance to arrange each other, wherein in the distance the flow channels for the other Medium are formed.
  • the imprints represent structures of groove-like furrows, which in a Surface side of a kind heat exchanger plates are provided and through flat system with a heat exchanger plate of a different kind Flow channels for which a medium are formed.
  • the groove-like furrows make a hydraulic connection of the one breakthrough of a medium for another breakthrough of the same medium available.
  • These are the Breakthroughs, or thus formed in the stack of heat exchanger plates Collection and distribution channels, within one with the groove-like furrows (Structures) provided essential portion of the heat exchanger plate arranged.
  • This measure ensures that the to the distributor - or Arrangements provided for the hydraulic separation of the different media can be relatively simple, because these are only necessary on a media page, in this case at the breakthroughs that are located within the mentioned section.
  • the mentioned precautions can consist in that these breakthroughs can be formed with passages, each shutting off the flow channels for the other medium.
  • the plate heat exchanger according to the invention in Advantageously, also suitable for use as a water / oil - heat exchanger.
  • the cross-sectional size or the hydraulic diameter of the flow channels can be changed for the respective application.
  • Preferred hydraulic Diameters of the flow channels for the refrigerant are approximately between 0.5 and 1.0 mm.
  • the hydraulic diameter of the flow channels is in use as water / oil heat exchanger above these values.
  • the plate heat exchanger shown serves the heat exchange between the refrigerant CO 2 (or another refrigerant) and the cooling liquid of a motor vehicle engine and is integrated in a known and therefore not shown manner both in the refrigerant circuit of the air conditioner and in the coolant circuit.
  • Tub-shaped heat exchanger plates 4a and 4b were produced from the aluminum sheets, which have a simply bevelled edge 24 and which are each provided with four apertures 5 .
  • the same shape was also provided for the cover plate 3 and the base plate 2 .
  • the base plate 2 is formed in this embodiment without openings 5 , since the supply and discharge of the CO 2 - gas and the cooling liquid is provided on the cover plate 3 .
  • the heat exchanger plates 4a, 4b are assembled into a stack.
  • the connecting pieces 8.1 and 9.1 for the refrigerant are special high-pressure fittings.
  • every second flow channel 10 is hydraulically connected to the distributor and to the collecting channel 8, 9 . Since the flow channels 10 and 11 formed by the heat transfer plates 4a, 4b alternate, the first flow channels 11 are hydraulically connected to the distributor and to the collecting channel 6, 7 . It can be seen from FIG. 3 that the heat exchanger plates 4 a are formed around the openings 5 with passages 15 produced by deformation, which block the hydraulic connection from the distribution channel 8 and the collecting channel 9 into the flow channel 11 . Instead of the passages 15 and rings could be inserted.
  • the connecting flanges have been formed from the cover plate 3 by forming.
  • the flange plate on the base plate 2 also, wherein also the flange plate has a reducer 31 , in which the lower end 32 of a body 12 is soldered, which provides the required Druckstabiltmaschine.
  • EP 14 00 772 A2 which can be used for the understanding thereof.
  • Figs. 1 and 3 illustrate that the flow channels 10 for the CO 2 an embossed heat exchanger plate with one surface side of a non-embossed heat exchanger plate are formed 4b through the connection of the one surface side 4a, and that the flow channels 11 for the cooling liquid from the other surface side of the embossed heat exchanger plate 4a and 4b are bounded by the other spaced surface side of the unembossed heat exchanger plate .
  • Fig. 2 shows a view of an embossed heat exchanger plate 4a, which (in this embodiment) is the thicker of the two heat exchanger plates 4a, 4b .
  • the embossed surface side of the plates 4a points upwards, and the second heat exchanger plate 4b lies flat against it with its one surface side. 4, the extensions of the flow channels 10 are clearly visible.
  • the section 21 of the heat exchanger plates 4a covered with the structures 20 should be as large as possible and, on the other hand, this entire section 21 should be utilized as much as possible for heat exchange.
  • the best possible heat exchange is achieved by the fact that in all flow channels 10, by skillful choice of design and the length of each flow channel, whenever possible, the same pressure loss should be present. It is also intended a uniform distribution of the flow channels 10 over the entire section 21 , which is why a symmetrical to both a vertical VA and to a horizontal axis HA design of the section 21 has been provided.
  • the inventors emphasize that an excellent metallic connection between the walls 30 (FIG. 4) or lands and the adjacent heat transfer plate 4b is very advantageous so that the flow channels 10 are particularly preferably discrete. That is, the parallel flow channels 10 should preferably not be in short circuit-type hydraulic connection with each other.
  • the above-described additional metallic compounds are provided at the regions 22 and the regions 25 .
  • a hexagonal shape of the heat exchanger plates 4a, 4b was selected. From Fig. 2 it can be seen that this special shape related to the required size of the areas 25 and with the larger openings 5 for the cooling liquid, or therein has its causes.
  • the openings 5 for the cooling liquid are outside of the essential portion 21, whereas the openings 5 are arranged for the CO 2 within the same.
  • edges 24 on the thicker heat exchanger plates 4a are significantly shorter than the edges 24 on the thinner heat exchanger plates 4b. This could therefore be carried out so because on the one hand on the coolant side pressures prevail that allow this construction and because on the other hand, the high pressure CO2 gas flows on the side on which a durable planar metallic connection between the thin heat exchanger plate 4b and the thicker heat exchanger plate 4a is present. This leads to an extremely compact design of the plate heat exchanger and to further material and weight savings, which should not go unmentioned in a plurality of such plates 4a, 4b .
  • FIG. 7 and 8 show a view of the two surface sides of the heat exchanger plates 104a and 104b, which are metallically connected to form the flow channels 110 in a second embodiment.
  • One of the plates 104a or 104b is rotated 180 ° about the axis HA , so that the surface sides shown come to lie against each other.
  • FIG. 6 shows by way of example two interconnected heat exchanger plates 104a, 104b , which illustrate the above.
  • the structures 120 lying to the left or to the right of the vertical axis of symmetry VA were divided between the two heat exchanger plates 104a and 104b .
  • both plates 104a, 104b may have the same sheet thickness.
  • the symmetry refers only to the arrangement of the structures 120 and the two apertures 105.
  • the outer shape of the plates shown is not symmetrical in the two representations, but should preferably be symmetrical.
  • Fig. 9 is shown how the shape of the groove-like grooves 20 forming the flow channels 10 has changed after the completion of the soldering process.
  • the illustration shows the preferred embodiment with the different thickness heat exchanger plates 4a and 4b .
  • the embossing produces groove-like grooves 20 about 0.8 mm wide and about 1.0 mm deep.
  • the solder flows into the grooves 50, so that an approximately elliptical or circular cross section is formed in each groove-like groove 20 .
  • This ideal cross-sectional shape provides for the lowest possible pressure loss along each flow channel 10.
  • the depth and width of the groove-like grooves 20 can be adapted to the required conditions.

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)
EP05003752.2A 2004-03-05 2005-02-22 Echangeur de chaleur à plaques Expired - Fee Related EP1571407B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004010640 2004-03-05
DE102004010640A DE102004010640A1 (de) 2004-03-05 2004-03-05 Plattenwärmeübertrager

Publications (3)

Publication Number Publication Date
EP1571407A2 true EP1571407A2 (fr) 2005-09-07
EP1571407A3 EP1571407A3 (fr) 2010-09-29
EP1571407B1 EP1571407B1 (fr) 2020-04-08

Family

ID=34745391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05003752.2A Expired - Fee Related EP1571407B1 (fr) 2004-03-05 2005-02-22 Echangeur de chaleur à plaques

Country Status (3)

Country Link
US (1) US7600559B2 (fr)
EP (1) EP1571407B1 (fr)
DE (1) DE102004010640A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2172730A1 (fr) * 2007-07-23 2010-04-07 Tokyo Roki Co. Ltd. Échangeur de chaleur de type stratifié de plaques
CN1997273B (zh) * 2006-01-06 2010-07-21 富准精密工业(深圳)有限公司 环路式散热模组
WO2014095594A1 (fr) * 2012-12-21 2014-06-26 Behr Gmbh & Co. Kg Échangeur de chaleur
EP3171115A1 (fr) * 2015-11-18 2017-05-24 Airec Ab Plaque pour dispositif d'échange thermique et dispositif d'échange thermique
FR3111977A1 (fr) * 2020-06-24 2021-12-31 Valeo Systemes Thermiques Échangeur thermique comprenant un organe de réduction de section d’un collecteur.
US11448468B2 (en) 2017-05-11 2022-09-20 Alfa Laval Corporate Ab Plate for heat exchange arrangement and heat exchange arrangement

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DE102005034305A1 (de) * 2005-07-22 2007-01-25 Behr Gmbh & Co. Kg Plattenelement für einen Plattenkühler
DE102005054728A1 (de) * 2005-11-17 2007-05-24 Behr Gmbh & Co. Kg Stapelscheibenwärmeübertrager, insbesondere Ölkühler für Kraftfahrzeuge
US7753105B2 (en) * 2006-05-16 2010-07-13 Delphi Technologies, Inc. Liquid cooled condenser having an integrated heat exchanger
DE102006055837A1 (de) * 2006-11-10 2008-05-15 Visteon Global Technologies Inc., Van Buren Wärmeübertrager, insbesondere als Verdampfer von Fahrzeugklimaanlagen
JP2009099437A (ja) * 2007-10-18 2009-05-07 Honda Motor Co Ltd 燃料電池モジュール
US9310136B2 (en) * 2008-12-17 2016-04-12 Swep International Ab Port opening of heat exchanger
EP2228615B1 (fr) 2009-03-12 2018-04-25 MAHLE Behr GmbH & Co. KG Echangeur de chaleur à plaque, en particulier pour récupération de chaleur d'échappement de véhicule automobile
DE102010012869A1 (de) * 2009-03-26 2010-09-30 Modine Manufacturing Co., Racine Wärmetauschermodul
FR2950682B1 (fr) * 2009-09-30 2012-06-01 Valeo Systemes Thermiques Condenseur pour vehicule automobile a integration amelioree
AU2011201083B2 (en) * 2010-03-18 2013-12-05 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
SE534918C2 (sv) 2010-06-24 2012-02-14 Alfa Laval Corp Ab Värmeväxlarplatta och plattvärmeväxlare
EP2413045B1 (fr) * 2010-07-30 2014-02-26 Grundfos Management A/S Unité d'échange thermique
DE102011007784A1 (de) 2011-04-20 2012-10-25 Behr Gmbh & Co. Kg Kondensator
FR2978538B1 (fr) * 2011-07-25 2015-06-19 Valeo Systemes Thermiques Plaque d'echangeur de chaleur.
WO2014040797A1 (fr) * 2012-09-17 2014-03-20 Behr Gmbh & Co. Kg Échangeur thermique
CN102829655A (zh) * 2012-09-19 2012-12-19 江苏宝得换热设备有限公司 一种板式换热器
PT2730878T (pt) * 2012-11-07 2019-05-30 Alfa Laval Corp Ab Bloco de placas e método de fazer um bloco de placas
EP3124907B1 (fr) * 2015-07-29 2019-04-10 Zhejiang Sanhua Automotive Components Co., Ltd. Dispositif d'échange de chaleur
SE542049C2 (en) 2016-04-06 2020-02-18 Alfa Laval Corp Ab A heat exchanger plate, a plate heat exchanger, and a method of making a plate heat exchanger
JP2018054264A (ja) 2016-09-30 2018-04-05 株式会社マーレ フィルターシステムズ 熱交換器
JP6791704B2 (ja) * 2016-09-30 2020-11-25 株式会社マーレ フィルターシステムズ 熱交換器
KR102440596B1 (ko) * 2017-11-28 2022-09-05 현대자동차 주식회사 차량용 열교환기
DE102019203632A1 (de) * 2019-03-18 2020-09-24 Mahle International Gmbh Verfahren zum Prägen eines Bauteils
US11633799B2 (en) * 2020-10-01 2023-04-25 Hamilton Sundstrand Corporation Control assembly fabrication via brazing
EP4297251A1 (fr) * 2022-06-21 2023-12-27 Valeo eAutomotive Germany GmbH Unité de commande électrique avec concept de refroidissement amélioré

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WO2003054468A1 (fr) 2001-12-10 2003-07-03 Robert Bosch Gmbh Dispositif de transmission de chaleur
EP1400772A2 (fr) 2002-09-19 2004-03-24 Modine Manufacturing Company Echangeur de chaleur à plaques

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GB1468514A (en) 1974-06-07 1977-03-30 Apv Co Ltd Plate heat exchangers
WO1991013308A1 (fr) 1990-02-28 1991-09-05 Alfa-Laval Thermal Ab Echangeur thermique a plaques reliees a demeure
WO2001069157A2 (fr) 2000-03-16 2001-09-20 Robert Bosch Gmbh Echangeur de chaleur pour un climatiseur de vehicule au co¿2?
WO2001088454A1 (fr) 2000-05-19 2001-11-22 Llanelli Radiators Limited Condenseur et echangeur thermique de vehicule automobile
WO2003054468A1 (fr) 2001-12-10 2003-07-03 Robert Bosch Gmbh Dispositif de transmission de chaleur
EP1400772A2 (fr) 2002-09-19 2004-03-24 Modine Manufacturing Company Echangeur de chaleur à plaques

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1997273B (zh) * 2006-01-06 2010-07-21 富准精密工业(深圳)有限公司 环路式散热模组
EP2172730A1 (fr) * 2007-07-23 2010-04-07 Tokyo Roki Co. Ltd. Échangeur de chaleur de type stratifié de plaques
EP2172730A4 (fr) * 2007-07-23 2012-07-04 Tokyo Roki Kk Échangeur de chaleur de type stratifié de plaques
US8794303B2 (en) 2007-07-23 2014-08-05 Tokyo Roki Co., Ltd. Plate laminate type heat exchanger
WO2014095594A1 (fr) * 2012-12-21 2014-06-26 Behr Gmbh & Co. Kg Échangeur de chaleur
EP3171115A1 (fr) * 2015-11-18 2017-05-24 Airec Ab Plaque pour dispositif d'échange thermique et dispositif d'échange thermique
WO2017084959A1 (fr) * 2015-11-18 2017-05-26 Airec Ab Plaque pour agencement d'échange de chaleur et agencement d'échange de chaleur
JP2018534523A (ja) * 2015-11-18 2018-11-22 アイレック アーベー 熱交換器用のプレートおよび熱交換器
AU2016357960B2 (en) * 2015-11-18 2020-01-23 Alfa Laval Corporate Ab Plate for heat exchange arrangement and heat exchange arrangement
US11448468B2 (en) 2017-05-11 2022-09-20 Alfa Laval Corporate Ab Plate for heat exchange arrangement and heat exchange arrangement
FR3111977A1 (fr) * 2020-06-24 2021-12-31 Valeo Systemes Thermiques Échangeur thermique comprenant un organe de réduction de section d’un collecteur.

Also Published As

Publication number Publication date
EP1571407A3 (fr) 2010-09-29
DE102004010640A1 (de) 2005-09-22
US7600559B2 (en) 2009-10-13
EP1571407B1 (fr) 2020-04-08
US20050194123A1 (en) 2005-09-08

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