EP3247960B1 - Stapelscheiben-wärmeübertrager - Google Patents

Stapelscheiben-wärmeübertrager Download PDF

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Publication number
EP3247960B1
EP3247960B1 EP16700479.5A EP16700479A EP3247960B1 EP 3247960 B1 EP3247960 B1 EP 3247960B1 EP 16700479 A EP16700479 A EP 16700479A EP 3247960 B1 EP3247960 B1 EP 3247960B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
coolant
stacked
temperature
partition wall
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
EP16700479.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3247960A1 (de
Inventor
Marco Renz
Bernd SCHMOLLINGER
Henning Schröder
Volker Velte
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 EP3247960A1 publication Critical patent/EP3247960A1/de
Application granted granted Critical
Publication of EP3247960B1 publication Critical patent/EP3247960B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00Heat-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
    • F28D9/0031Heat-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
    • F28D9/0043Heat-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
    • F28D9/005Heat-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/0066Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • F28D7/0075Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids with particular circuits for the same heat exchange medium, e.g. with the same heat exchange medium flowing through sections having different heat exchange capacities or for heating or cooling the same heat exchange medium at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00Heat-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
    • F28D9/0093Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082Charged air coolers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/0066Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids

Definitions

  • the present invention relates to a stacked plate heat exchanger, in particular a charge air cooler, with a high-temperature coolant circuit and a low-temperature coolant circuit, according to the preamble of claim 1.
  • Cooling systems for intercooling currently available on the market often have a stacked-plate heat exchanger which has a single-stage design.
  • the achievable with the single-stage temperature efficiency is limited.
  • cooling fluids such as, for example, coolant, refrigerant, oil, exhaust gas or charge air
  • a disadvantage of the two-stage temperature control of fluids is, however, that the use of two conventionally connected in series heat exchangers is associated with significantly higher costs and increased space requirements.
  • a so-called stacked plate heat exchanger which has both a high-temperature refrigerant circuit HT and a low-temperature refrigerant circuit NT.
  • a so-called stacked plate heat exchanger With such a combined stacked plate heat exchanger, the space requirement can be significantly reduced.
  • combined stacked plate heat exchanger is their relatively complex production.
  • a stacked plate heat exchanger in particular a charge air cooler, with a plurality of stacked and interconnected, for example, soldered, elongated discs known having a cavity for carrying a medium to be cooled, such as charge air, in the longitudinal direction of the discs and another cavity for performing a Limit coolant, the discs each have an input port and an output port for the medium to be cooled.
  • at least one coolant connection partially extends around a connection for the medium to be cooled.
  • the present invention therefore deals with the problem of providing for a stacked plate heat exchanger of the generic type an improved or at least one alternative embodiment which is a two-stage Temperature control of a medium to be cooled with increased heat transfer allows and also can be produced more cheaply.
  • the present invention is based on the general idea of modifying a known stacked plate heat exchanger so that it does not provide, as known from the prior art, two high-temperature coolant inlets and two low-temperature coolant outlets in the region of a partition, but in the area this partition only one each.
  • the stacked-plate heat exchanger according to the invention which may be configured, for example, as a charge air cooler, thus has a high-temperature coolant circuit HT and a low-temperature coolant circuit NT with stacked heat exchanger plates, which of two coolants with different temperature levels in the high-temperature coolant circuit HT and in the low-temperature coolant circuit NT on the one hand and a medium to be cooled, for example, charge air, on the other hand flows through.
  • the heat exchanger plates now have a partition wall for separating the high-temperature coolant circuit HT and the low-temperature coolant circuit NT, whereby it is possible to combine two coolant circuits with different temperature levels in a single stacked plate heat exchanger.
  • the stacked plate heat exchanger according to the invention has in its high temperature coolant circuit HT a single, central high temperature coolant inlet adjacent the bulkhead, while the low temperature coolant circuit NT also has only a single, low temperature, low temperature coolant outlet adjacent the bulkhead.
  • the stacked plate heat exchanger is designed as a countercurrent cooler.
  • the medium to be cooled for example, charge air
  • the coolant flows in the opposite direction to the coolant, which not only enforces improved cooling, but also an absolutely avoidable boiling of the individual coolant can be avoided. Since damage may occur during boiling of the coolant, the service life of the stacked disk heat exchanger according to the invention can be extended by means of the countercurrent principle used according to the invention. It is true that when cooling in countercurrent principle, the actual cooling effect is generally greater than in the case of the same flow directions.
  • the heat exchanger plates have a circumferential raised edge over which they are soldered to an adjacent, in particular one or above, arranged heat exchanger plate, wherein the partition is connected in each case along the end side with the edge.
  • the partition thus passes through the respective heat exchanger plate in the transverse direction and is connected at one end at one edge and at the other end at the opposite edge.
  • Such a heat exchanger plate usually has the shape of a rectangle, the narrow sides, however, are rounded in a semicircle.
  • the partition wall preferably runs centrally, but can according to the required Cooling capacity of the low-temperature coolant circuit or the high-temperature coolant circuit in the longitudinal direction of those heat exchanger plate are moved almost arbitrarily. As a result, the cooling capacity of the two circuits is adjustable.
  • the arrangement of the partition wall is comparatively easily adjustable by the corresponding positioning of a separating web in the punching tool.
  • the high-temperature coolant outlet and the low-temperature coolant outlet together have a teardrop shape which is separated by the dividing wall.
  • a teardrop shape is generally considered to be comparatively streamlined, whereby a pressure drop on the charge air side can be minimized.
  • the high-temperature coolant inlet has a part-circular shape
  • the low-temperature coolant outlet has a triangular shape and rests with one of its sides on the partition wall or one of its sides a piece of the partition itself is formed.
  • the two sides of the low-temperature coolant outlet which are not adjacent to the dividing wall are arranged at a sharp angle to the dividing wall and pass at their longitudinal ends remote from the dividing wall via a segment of a circle segment, that is rounded, into one another.
  • the drop shape thus has no tapered end, but is rounded in this area, which in turn works streamlined for the countercurrent of the charge air flowing coolant of the low-temperature coolant.
  • an obstruction is arranged in the previously described region of the circular segment section, which forces a deflection of the low-temperature coolant.
  • this obstruction forces a flow around the same, so that, for example, so-called dead zone in low-temperature coolant so far poorly flowed through areas are now flowed through, so that there takes place a significantly improved heat transfer.
  • an outer contour of the high-temperature coolant inlet merges into an outer contour of the low-temperature coolant outlet.
  • a stacked-plate heat exchanger 1 which is designed, for example, as a charge air cooler, has a high-temperature coolant circuit HT and a low-temperature coolant circuit NT.
  • the individual coolant circuits HT and NT are formed by stacked heat exchanger plates 2, which are flowed through by two coolants 3, 4 with different temperature levels in the high-temperature coolant circuit HT and in the low-temperature coolant circuit NT.
  • the heat exchanger plates 2 have a partition wall 6 which separates the high-temperature coolant circuit HT and the low-temperature coolant circuit NT from one another. In the plane of the medium 5, that is in the charge air level, this partition wall 6 is not through, whereby the charge air or the medium 5 can flow from a medium inlet 7 over the entire length of the respective heat exchanger plate 2 to a medium outlet 8 (see. Fig. 2 ).
  • the medium inlet 7 and the medium outlet 8 are circular segment-like, in particular semicircular, formed.
  • the high-temperature coolant circuit HT now has a single, central high-temperature coolant inlet 9 adjoining the dividing wall 6 and the low-temperature coolant circuit NT also has a single, central low-temperature coolant outlet 10 adjoining the dividing wall 6.
  • the stacked plate heat exchanger 1 is designed as a so-called countercurrent cooler, which means that the coolant 3 and the coolant 4 in the same direction (see. Fig. 1 ), the medium to be cooled 5, that is, the charge air, but in the opposite direction to flow (see. Fig. 2 ).
  • the heat exchanger plates 2 in this case have a peripheral, erected edge 11, via which they are connected to an adjacent heat exchanger plate 2, in particular soldered, are.
  • the partition wall 6 is in each case connected to the edge 11 on the longitudinal end side and meets it orthogonally.
  • the high-temperature coolant inlet 9 has a part-circular shape, while the low-temperature coolant outlet 10 has a triangular shape and rests with one side 12 on the partition wall 6.
  • the partition 6 can also form the side 12.
  • the two sides 13 and 14, which bear against the dividing wall 6, form an acute angle with the side 12, whereas at their longitudinal ends remote from the dividing wall 6 they pass over a segment of a circle segment 15 rounded into each other.
  • an obstruction 16 is arranged, which comprises a deflection of the low-temperature coolant 4 (cf. Fig. 1 ) enforces. This can ensure that one of a low-temperature coolant inlet 17 (see. Fig.
  • the individual heat exchanger plates 2 can be due to the only one high-temperature coolant inlet 9 and the low-temperature Cooling outlet 10 much easier punch and thus finished.
  • the partition wall 6 is stamped by means of a corresponding punching tool and is variably displaceable in the longitudinal direction of the heat exchanger plate 2. With the centrally located inlets or outlets 9, 10 can also be forced a homogeneous flow of corner areas 19. It is thus possible to achieve both a coolant-side and a medium-side, ie, charge-air-side, homogeneous throughflow.
  • the part geometry can be made simpler, whereby increased process reliability can be realized and smaller pads are required.
  • a simpler forming tool can be used, which in turn leads to lower tooling costs.
  • Due to the optimized flow distribution of the entire efficiency of the stacked plate heat exchanger 1 can be increased, which leads to a reduction in the charge air or medium outlet temperature of up to 1 Kelvin. Conversely, this means that the heat exchanger plate 2 could be made more compact with the same power.
  • the stack heat exchanger 1 is conceivable not only as a charge air cooler, but can in principle be used for all coolers, such as for oil cooler.
  • the obstruction 16 can be embossed together with the heat exchanger plate 2 and the partition wall 6, or be formed as a separate insert.
  • all interconnections, both coolant side and medium side are conceivable and combinable.
  • DC variants are conceivable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
EP16700479.5A 2015-01-21 2016-01-14 Stapelscheiben-wärmeübertrager Not-in-force EP3247960B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015200952.1A DE102015200952A1 (de) 2015-01-21 2015-01-21 Stapelscheiben-Wärmeübertrager
PCT/EP2016/050631 WO2016116345A1 (de) 2015-01-21 2016-01-14 Stapelscheiben-wärmeübertrager

Publications (2)

Publication Number Publication Date
EP3247960A1 EP3247960A1 (de) 2017-11-29
EP3247960B1 true EP3247960B1 (de) 2018-10-24

Family

ID=55129883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16700479.5A Not-in-force EP3247960B1 (de) 2015-01-21 2016-01-14 Stapelscheiben-wärmeübertrager

Country Status (7)

Country Link
US (1) US10094620B2 (ja)
EP (1) EP3247960B1 (ja)
JP (1) JP6283773B1 (ja)
KR (1) KR101844730B1 (ja)
CN (1) CN107250704B (ja)
DE (1) DE102015200952A1 (ja)
WO (1) WO2016116345A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013211700B3 (de) * 2013-06-20 2014-09-25 Ford Global Technologies, Llc Fahrzeugheizsystem sowie Verfahren zum Heizen des Innenraums eines Fahrzeugs mit einem Fahrzeugheizsystem
DE102021208871A1 (de) 2021-08-12 2023-02-16 Volkswagen Aktiengesellschaft Wärmetauscher mit variabler Kühlmittelsteuerung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6502420B2 (en) * 2001-05-31 2003-01-07 Carrier Corporation Plate heat exchanger for multiple circuit refrigeration system
SE0303307L (sv) 2003-12-10 2004-10-19 Swep Int Ab Plattvärmeväxlare
JP2006145099A (ja) * 2004-11-18 2006-06-08 Tokyo Roki Co Ltd 積層型熱交換器
DE102005044291A1 (de) 2005-09-16 2007-03-29 Behr Industry Gmbh & Co. Kg Stapelscheiben-Wärmeübertrager, insbesondere Ladeluftkühler
EP1941224A1 (de) * 2005-10-20 2008-07-09 Behr GmbH & Co. KG Wärmetauscher
DE102008014169A1 (de) 2007-04-26 2009-01-08 Behr Gmbh & Co. Kg Wärmetauscher, insbesondere zur Abgaskühlung, System mit einem Wärmetauscher zur Abgaskühlung, Verfahren zum Betreiben eines Wärmetauschers
US9551273B2 (en) * 2009-03-23 2017-01-24 Calsonic Kansei Corporation Charge air cooling system
JP2010249129A (ja) * 2009-03-27 2010-11-04 Calsonic Kansei Corp チャージエアクーラ及び冷却システム
DE102012008700A1 (de) * 2012-04-28 2013-10-31 Modine Manufacturing Co. Wärmetauscher mit einem Kühlerblock und Herstellungsverfahren
FR2993354B1 (fr) * 2012-07-13 2018-07-13 Delphi Automotive Systems Lux Refroidisseur d'air de suralimentation

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
KR20170102276A (ko) 2017-09-08
CN107250704A (zh) 2017-10-13
US20180010859A1 (en) 2018-01-11
US10094620B2 (en) 2018-10-09
KR101844730B1 (ko) 2018-04-02
EP3247960A1 (de) 2017-11-29
DE102015200952A1 (de) 2016-07-21
WO2016116345A1 (de) 2016-07-28
JP2018508734A (ja) 2018-03-29
CN107250704B (zh) 2018-11-27
JP6283773B1 (ja) 2018-02-21

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