EP3577408B1 - Wärmetauscherkopf - Google Patents

Wärmetauscherkopf Download PDF

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Publication number
EP3577408B1
EP3577408B1 EP18705700.5A EP18705700A EP3577408B1 EP 3577408 B1 EP3577408 B1 EP 3577408B1 EP 18705700 A EP18705700 A EP 18705700A EP 3577408 B1 EP3577408 B1 EP 3577408B1
Authority
EP
European Patent Office
Prior art keywords
header
cover
retaining elements
peripheral groove
header plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18705700.5A
Other languages
English (en)
French (fr)
Other versions
EP3577408A1 (de
Inventor
Andrzej Fudala
Mohamed Asri
Kamel Azzouz
Marcin MALIK
Adam KOLACZ
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.)
Valeo Systemes Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
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Filing date
Publication date
Application filed by Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Publication of EP3577408A1 publication Critical patent/EP3577408A1/de
Application granted granted Critical
Publication of EP3577408B1 publication Critical patent/EP3577408B1/de
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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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
    • 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
    • F28F2275/12—Fastening; Joining by methods involving deformation of the elements
    • F28F2275/122—Fastening; Joining by methods involving deformation of the elements by crimping, caulking or clinching

Definitions

  • the invention relates to a collector for a heat exchanger and more particularly to a collector comprising a compressible sealing gasket arranged between a collector plate and a cover.
  • Heat exchanger headers generally include a header plate through which tubes pass and a cover covering the header plate so as to form a chamber in which a coolant can flow.
  • the collector plate generally comprises a peripheral groove inside which is placed a seal. The edges of the cover are inserted into the peripheral groove in order to compress the seal.
  • One of the aims of the present invention is therefore to remedy, at least partially, the drawbacks of the prior art and to propose a collector and a heat exchanger whose connection between the cover and the collector plate is improved.
  • the present invention therefore relates to a collector for a heat exchanger according to claim 1.
  • the retaining elements form abutments and prevent the cover and more particularly the ends of its side walls from sinking beyond a certain limit into the peripheral groove. These retaining elements allow the seal 44 to be sufficiently compressed to ensure sealing while preventing it from being excessively compressed which could damage it.
  • the header plate has a generally rectangular shape with two long sides and two short sides, the retaining elements bearing simultaneously on the two long sides and/or the two short sides simultaneously of said header plate 4.
  • the retaining elements are made on the outer face of the side walls and bear against the outer edge of the peripheral groove.
  • the outer rim of the peripheral groove comprises crimping lugs and the retaining elements bear between two crimping lugs.
  • the retaining elements are produced on the internal face of the side walls and bear against the internal rim of the peripheral groove.
  • the cover on the same side of the plate header, has a single continuous retainer along the length of said side of the header plate.
  • the cover on the same side of the header plate, the cover comprises at least two local retaining elements distributed over the length of said side of the header plate.
  • the local retaining elements are arranged so as to rest on the header plate opposite the spaces between the orifices of said header plate.
  • the retaining elements are integral with the cover.
  • the present invention also relates to a heat exchanger comprising a collector as described above.
  • first element or second element as well as first parameter and second parameter or even first criterion and second criterion, etc.
  • it is a simple indexing to differentiate and name elements or parameters or criteria that are close but not identical.
  • This indexing does not imply a priority of one element, parameter or criterion with respect to another and such denominations can easily be interchanged without departing from the scope of the present description.
  • This indexing does not imply an order in time either, for example to assess such and such criteria.
  • FIG. 1 shows a heat exchanger 1, generally parallelepipedic in shape, comprising a bundle formed by a multitude of tubes 2 to inside which a first heat transfer fluid can circulate.
  • the tubes 2 are of oval or oblong section, defined by a major axis and a minor axis and are arranged parallel to each other so as to form a row of tubes 2.
  • spacers 6 are arranged which act as a disruptor and increase the heat exchange surface with a second heat transfer fluid passing between the tubes 2.
  • the tubes 2 and the spacers 6 are generally made of metal.
  • the tubes 2 and the spacers 6 forming the bundle can be fixed together by brazing.
  • Spacers 6 are then called inserts and are for example corrugated or crenellated strips, placed between tubes 2 and fixed to said tubes 2 by brazing.
  • the tubes 2 and the spacers 6 forming the bundle can be fixed together by mechanical fixing.
  • the spacers 6 are then called fins and are, for example, metal plates comprising orifices through which the tubes 2 pass.
  • the tubes 2 are fixed in these orifices by expanding their diameter. We then speak of a mechanical beam.
  • the heat exchanger 1 also comprises two collectors 3 or water boxes, a collector 3 being arranged at each end of the tubes 2. These collectors 3 each comprise a collector plate 4 and a cover 8 which covers the collector plate 4 and closes the manifold 3 so as to form a chamber 30 (visible on the figure 2 ) in which the first heat transfer fluid can circulate. These manifolds 3 allow the collection and/or distribution of the first heat transfer fluid so that it circulates in the tubes 2.
  • the collector plate 4 makes the connection in a sealed manner between the collector 3 and the tube bundle 2.
  • the collector plate 4 can be of generally rectangular shape with two long sides and two short sides.
  • Collector plate 4 also comprises a multitude of orifices having a shape corresponding to the shape of the section of tubes 2 and capable of receiving the ends of tubes 2. The orifices are therefore arranged in a row parallel to the long side of collector plate 4.
  • the tubes 2 can be fixed to the header plate 4 in a leaktight manner by brazing, one then speaks of a brazed heat exchanger.
  • the tubes 2, the spacers 6 as well as the collector plates 4 can be made of a metallic material, in particular aluminum or aluminum alloy in order to have good thermal conductivity and allow brazing.
  • the cover 8 can itself be made of plastic material.
  • the tubes 2 can be fixed to the collector plate 4 mechanically with the intervention of a seal, one then speaks of a mechanical heat exchanger.
  • the collector 3 as a whole, that is to say the collector plate 4 and the cover 8, can be made of plastic material.
  • the manifold plate 4 has a peripheral groove 42 over its entire periphery.
  • the cover 8 has side walls 81 fitting into the peripheral groove 42 and compressing a gasket sealing 44 inserted into the peripheral groove 42 to ensure sealing.
  • the cover 8 can in particular be held against the collector plate 4 by crimping lugs 43 arranged on the outer edge 41 of the peripheral groove 42 and folded over a shoulder 80 of the cover 8 arranged at the ends of its side walls 81.
  • outer edge 41 of the peripheral groove 42 here means the rim which is on the outside of the collector 3, that is to say the farthest from the orifices of the collector plate 4.
  • the side walls 81 of the cover 8 comprise projecting retaining elements 82 coming to rest on the collector plate 4.
  • These retaining elements 82 form abutments and come to prevent the cover 8 and more particularly the ends of its side walls 81 from sinking beyond a certain limit into the peripheral groove 42.
  • These retaining elements 82 are arranged on the side walls 81 of the cover 8 at a certain distance from the ends of these side walls 81 so that the seal 44 is sufficiently compressed to ensure the seal while preventing it from being excessively compressed which could damage it.
  • the retaining elements 82 bear against its two long sides and/or its two short sides simultaneously in order to retain the depression of the cover 8.
  • these retaining elements 82 are made in one piece with the cover 8 and can thus be made at the same time as the cover 8, for example by molding when the cover 8 is made of plastic material.
  • the retaining elements 82 are made on the outer face of the side walls 81.
  • the retaining elements 82 can thus be a shoulder of the side wall 81 which bears on the outer rim 41 of the peripheral groove 42.
  • outer face here we mean the face of the cover 8 which is on the outside of the collector 3, that is to say the farthest from the chamber 30.
  • the retaining elements 82 When the cover 8 is fixed by crimping and the header plate 4 has crimping lugs 43 on the outer rim 41 of the peripheral groove 42, the retaining elements 82 then come to bear between the crimping lugs 43 so as not to interfere crimping. As shown in picture 3 , the retaining elements 82 can thus bear against the outer rim 41 of the peripheral groove 42 at the level of a cutout 45 made between two crimping lugs 43 before they are folded over the shoulder 80 of the cover 8 .
  • THE retaining elements 82 are made on the inner face of the side walls 81.
  • the retaining elements 82 can thus be shoulders of the side wall 81 which bear against the internal rim 41 of the peripheral groove 42 and bear against the internal rim of the peripheral groove 42.
  • internal face and internal flange we here means the face of the cover 8 and the edge of the peripheral groove 42 which are on the inside of the collector 3, that is to say the one being inside the chamber 30.
  • the retaining elements 82 can also be a beveled part of the side wall 81 which bears against the internal edge of the peripheral groove 42 and which blocks the end of the side wall 81 against the external edge of the peripheral groove 42.
  • the retaining elements 82 are on the internal face of the side walls 81 allows the retaining elements 82 not to interfere with the fixing of the cover 8, in particular the crimping, and avoids the problems of positioning the cover 8 during the mounting of the manifold 3 .
  • FIG 4 shows a first variant of the second embodiment in which, on the same side of the collector plate 4, the cover 8 comprises a single retaining element 82.
  • This retaining element 82 is continuous over the length of the side of the collector plate 4 for a good distribution of the pressure exerted by the fixing of the cover 8 and thus to avoid a local collapse of the cover 8 in the peripheral groove 42 during the fixing of said cover 8.
  • FIG. 5 shows a second variant of the second embodiment in which, on the same side of the collector plate 4, the cover 3 comprises at least two local retaining means 82 distributed over the length of said side of the collector plate 4.
  • the retaining elements 82 can bear both opposite the orifices of the collector plate 4 and the spaces between two orifices if the distance between the edge of these orifices and the internal edge of the peripheral groove 42 is sufficient, as illustrated in the figure 5 .
  • the local retaining elements 82 are arranged so as to rest on the header plate 4 opposite the spaces between the orifices of said header plate 4 and are partially inserted into these spaces.
  • a retaining element 82 can be placed opposite each tube orifice.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (10)

  1. Sammler (3) für einen Wärmetauscher (1), welcher aufweist:
    ∘ eine Sammelplatte (4), die Öffnungen umfasst, die dazu bestimmt sind, Rohre (2) aufzunehmen, wobei die Sammelplatte (4) eine Umfangsnut (42) umfasst,
    ∘ eine zusammendrückbare Dichtung (44), die im Inneren der Umfangsnut (42) angeordnet ist,
    ∘ eine Abdeckung (8), welche die Sammelplatte (4) bedeckt und Seitenwände (81) aufweist, die in die Umfangsnut (42) eingesetzt sind und die Dichtung (44) zusammendrücken,
    dadurch gekennzeichnet, dass die Seitenwände (81) der Abdeckung (8) vorstehende Halteelemente (82) aufweisen, die an der Sammelplatte (4) zur Anlage kommen.
  2. Sammler (3) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Sammelplatte (4) eine im Wesentlichen rechteckige Form mit zwei langen Seiten und zwei kurzen Seiten aufweist, wobei die Halteelemente (82) an den zwei langen Seiten und/oder den zwei kurzen Seiten der Sammelplatte (4) gleichzeitig zur Anlage kommen.
  3. Sammler (3) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Halteelemente (82) auf der Außenseite der Seitenwände (81) ausgebildet sind und am äußeren Rand (41) der Umfangsnut (42) zur Anlage kommen.
  4. Sammler (3) nach Anspruch 3, dadurch gekennzeichnet, dass der äußere Rand (41) der Umfangsnut (42) Crimplaschen (43) aufweist und dass die Halteelemente (82) zwischen zwei Crimplaschen (43) zur Anlage kommen.
  5. Sammler (3) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Halteelemente (82) auf der Innenseite der Seitenwände (81) ausgebildet sind und am inneren Rand der Umfangsnut (42) zur Anlage kommen.
  6. Sammler (3) nach Anspruch 5, dadurch gekennzeichnet, dass auf der gleichen Seite der Sammelplatte (4) die Abdeckung (8) ein einziges durchgehendes Halteelement (82) über die Länge dieser Seite der Sammelplatte (4) aufweist.
  7. Sammler (3) nach Anspruch 5, dadurch gekennzeichnet, dass auf der gleichen Seite der Sammelplatte (4) die Abdeckung (8) mindestens zwei lokale Halteelemente (82) aufweist, die über die Länge dieser Seite der Sammelplatte (4) verteilt sind.
  8. Sammler (3) nach Anspruch 7, dadurch gekennzeichnet, dass die lokalen Halteelemente (82) so angeordnet sind, dass sie an der Sammelplatte (4) gegenüber von den Zwischenräumen zwischen den Öffnungen der Sammelplatte (4) anliegen.
  9. Sammler (3) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Halteelemente (82) stoffschlüssig mit der Abdeckung (8) verbunden sind.
  10. Wärmetauscher (1), welcher einen Sammler (3) nach einem der vorhergehenden Ansprüche aufweist.
EP18705700.5A 2017-01-31 2018-01-31 Wärmetauscherkopf Active EP3577408B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1750795A FR3062473B1 (fr) 2017-01-31 2017-01-31 Collecteur pour echangeur de chaleur.
PCT/FR2018/050225 WO2018142067A1 (fr) 2017-01-31 2018-01-31 Collecteur pour échangeur de chaleur

Publications (2)

Publication Number Publication Date
EP3577408A1 EP3577408A1 (de) 2019-12-11
EP3577408B1 true EP3577408B1 (de) 2023-04-19

Family

ID=58501672

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18705700.5A Active EP3577408B1 (de) 2017-01-31 2018-01-31 Wärmetauscherkopf

Country Status (5)

Country Link
US (1) US20190390917A1 (de)
EP (1) EP3577408B1 (de)
CN (1) CN110325811B (de)
FR (1) FR3062473B1 (de)
WO (1) WO2018142067A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112797836A (zh) * 2020-12-29 2021-05-14 浙江银轮机械股份有限公司 室体、室体组件及换热器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2031669A5 (de) * 1969-02-03 1970-11-20 Chausson Usines Sa
JPH09126681A (ja) * 1995-10-27 1997-05-16 Toyo Radiator Co Ltd 熱交換器のタンク構造
JPH10281686A (ja) * 1997-03-31 1998-10-23 Toyo Radiator Co Ltd 熱交換器の樹脂製タンク及びその製造方法
JP2000220989A (ja) * 1999-01-28 2000-08-08 Sanden Corp 熱交換器
KR20030072146A (ko) * 2002-03-05 2003-09-13 한국델파이주식회사 차량용 방열기
FR2867553B1 (fr) * 2004-03-10 2009-08-28 Valeo Thermique Moteur Sa Boite collectrice d'echangeur de chaleur avec joint d'etancheite
FR2984475B1 (fr) * 2011-12-19 2018-04-27 Valeo Systemes Thermiques Boite collectrice d'echangeur de chaleur, notamment pour vehicule automobile, couvercle de ladite boite et echangeur de chaleur comprenant une telle boite
DE102012004926A1 (de) * 2012-03-10 2013-09-12 Volkswagen Aktiengesellschaft Wärmetauscher mit einem Rohrboden sowie ein hierfür bestimmter Rohrboden
CN104272055B (zh) * 2013-01-24 2016-09-28 阿尔科伊尔美国有限责任公司 热交换器
DE102014204272A1 (de) * 2013-04-25 2014-10-30 MAHLE Behr GmbH & Co. KG Wärmeübertrager
JP6337442B2 (ja) * 2013-10-30 2018-06-06 株式会社デンソー 熱交換器
JP2017015351A (ja) * 2015-07-03 2017-01-19 カルソニックカンセイ株式会社 熱交換器のシール構造

Also Published As

Publication number Publication date
CN110325811A (zh) 2019-10-11
US20190390917A1 (en) 2019-12-26
WO2018142067A1 (fr) 2018-08-09
CN110325811B (zh) 2021-11-02
EP3577408A1 (de) 2019-12-11
FR3062473B1 (fr) 2019-04-19
FR3062473A1 (fr) 2018-08-03

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