EP3198212B1 - Kopfplatte für einen wärmetauscher, sammelkasten und wärmetauscher - Google Patents

Kopfplatte für einen wärmetauscher, sammelkasten und wärmetauscher Download PDF

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Publication number
EP3198212B1
EP3198212B1 EP15766888.0A EP15766888A EP3198212B1 EP 3198212 B1 EP3198212 B1 EP 3198212B1 EP 15766888 A EP15766888 A EP 15766888A EP 3198212 B1 EP3198212 B1 EP 3198212B1
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Prior art keywords
header
header plate
wall
heat exchanger
plate
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EP15766888.0A
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English (en)
French (fr)
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EP3198212A1 (de
Inventor
Christian Riondet
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Valeo Systemes Thermiques SAS
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Valeo Systemes Thermiques SAS
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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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0229—Double end plates; Single end plates with hollow spaces
    • 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
    • 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
    • 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
    • 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
    • F28D2021/0082—Charged air coolers
    • 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
    • F28D2021/0084—Condensers
    • 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
    • F28D2021/0091—Radiators
    • F28D2021/0094—Radiators for recooling the engine coolant
    • 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
    • F28F2225/08—Reinforcing means for header boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements

Definitions

  • the present invention relates to a collector plate (also called collector) of a motor vehicle heat exchanger, for example for engine cooling radiator, for air conditioning condenser, for charge air cooler, as well as a manifold box. and a heat exchanger.
  • collector plate also called collector
  • the present invention relates in particular to a header plate as defined by the preamble of claim 1, and as disclosed by JP 10232097 .
  • a header plate for a heat exchanger comprising a wall provided with orifices, intended to be crossed by tubes arranged in a row in a longitudinal direction.
  • This plate has a central portion for receiving the tubes which is curved inward or outward.
  • the curvature of the collector plates is intended to avoid as much as possible the deterioration of the exchanger caused by local thermal differences which strongly constrain the tube and stress the junction between the collector plate and the tubes, in particular on the external rays of the tube.
  • This junction can be materialized by a joint or by brazing or even a direct weld between the tube and the plate. In the long run, the junction may end up being no longer watertight, which puts the exchanger out of service. A high fluid circulation pressure inside the exchanger is of course an aggravating factor of this phenomenon.
  • the object of the invention is to provide a solution which overcomes these drawbacks, in particular by reducing the constraints which apply to the tube.
  • small than representing less than 80% of the reference value.
  • the second radius of curvature should be less than 80% of the first radius of curvature.
  • At least one of the orifices has, in a direction perpendicular to the longitudinal and transverse directions, an oblong projection with a major axis TW, (also called “width of the orifice for passage of the tube in the manifold”) and, relative to a plane passing through longitudinal edges of the wall, the height of the lateral portions is H1 and the height of the central portion is H2, and the ratio between the heights H1, H2 and the major axis TW respects the following inequalities: 0.05 ⁇ H 1 / TW ⁇ 0.2 0.05 ⁇ H 2 / TW ⁇ 0.3
  • the major axis (TW) of a tube is between 10 mm and 100 mm.
  • the collar intended to cover a part of the wall of the tube passing through the wall through this orifice, projects outwards from the manifold.
  • the function of such a collar is to improve the seal between the tube and the collector plate.
  • the collar has a groove for receiving a seal interposed between said collar and the tube.
  • the orifices are spaced apart by a pitch of between 5 mm and 10 mm, preferably between 6 mm and 8 mm.
  • the collector plate is formed in a sheet of thickness between 0.7 mm and 2 mm, preferably between 1 mm and 1.5 mm.
  • the invention also relates to a manifold comprising a manifold plate as described above and a cover of plastic or metallic material, connected to the manifold plate by crimping, bonding, soldering or welding.
  • the invention also relates to a heat exchanger comprising such a manifold and tubes.
  • the tubes are formed in a sheet of thickness between 0.1 mm and 0.5 mm, preferably between 0.2 mm and 0.3 mm.
  • the tubes are obtained by electro-welding, bending in several channels or stapling.
  • FIG. 1 On which we see the upper part of a tube 1 of oblong section.
  • the tube 1 is presented here in a vertical orientation.
  • the reference to its upper end is relative to the vertical direction V in the figure.
  • the tube is formed in a sheet 0.3 mm thick, by electro-welding, folding or stapling.
  • a collecting plate 3, designated plate below, is crossed by the tube 1.
  • the direction T which is perpendicular to the direction L, generally in the plane of extension of the plate.
  • the direction T is that in which the long lengths of the ends of the tubes extend.
  • the plate 3 is formed in an aluminum sheet of thickness between 0.7 and 2 mm, preferably between 1 and 1.5 mm, by stamping.
  • the plate 3 has a wall 5 provided with orifices (only one of which is visible in the figure, as explained above), bordered by two longitudinal returns 9 which serve for the connection of the collector plate 5 with a cover (not shown).
  • the cover closes the volume located above the collecting plate 5 to form a collecting box.
  • the connection between the collector plate 5 and the cover is made by any suitable means, depending in particular on the material constituting the cover. For example, if the cover is made of plastic, the connection can be made by crimping or by gluing. Similarly, if the cover is made of metal, the connection can be made by crimping, gluing, soldering or welding.
  • a seal may, but is not compulsory, be interposed between the outer wall of the tube, a cover (not shown), the flange 9 and the collector plate.
  • the collector plate is folded by forming two edges or spokes 11.
  • the wall 5 provided with orifices has, in cross section, a profile consisting of a central portion 13 and two lateral portions 15.
  • the lateral portions 15 generally follow a curve 17 with a first radius of curvature R1.
  • the central portion generally follows a curve 19 with a second radius of curvature R2, smaller than the first radius of curvature R1.
  • the two portions, central 13 and lateral 15, form a bump towards the outside of the exchanger, therefore downwards in the figure.
  • the radii of curvature R1 and R2 can be defined by measuring the heights of the curves with respect to the plane defined by the two edges 11: We designate H1 the height of the lateral portions 15 and H2 the height of the central portion 13. The radii R1 and R2 follow geometrically from these values H1, H2 and from the width 1 of the plate in the transverse direction.
  • the ratio between the heights H1, H2 and the major axis TW respects the following inequalities: 0.05 ⁇ H 1 / TW ⁇ 0.2 0.05 ⁇ H 2 / TW ⁇ 0.3
  • the orifice 7 has, in the vertical direction V of the drawing, which is a direction perpendicular to the longitudinal L and transverse directions T of the plate, an oblong projection of major axis TW, which is also designated more simply by width TW.
  • the orifice 7 comprises a collar 21 intended to cover part of the wall of the tube 1 passing through the wall 5 through this orifice 7, this collar 21 projecting towards the outside of the manifold. (so down in the figure).
  • the collar 21 is obtained by stamping, during the forming of the plate 3.
  • the material is pushed back by a punch during the stamping, as for the rest of the plate 3, which makes the operation easier. stamping.
  • a disadvantage of this arrangement is that the tube 1 is less easy to insert into the orifice 7 during assembly of the manifold, because the end of the collar 21 through which the tube 1 must be inserted is a little narrower.
  • this arrangement is advantageous in that it further reduces the stresses applied to the tube 1. It is therefore more favorable to the longevity of the exchanger.
  • the plate 3 may have a groove (not shown) for receiving a seal (not shown) interposed between a cover (not shown) and the plate 3.
  • the embodiment of the figure 2 differs from the previous one in that the collar 21 'projects from the wall towards the inside of the exchanger, that is to say upwards in the figure. Other information provided in relation to the figure 1 are valid for this figure 2 .
  • the embodiment of the figure 3 differs from the previous one in that the central portion 13 ′ of the profile forms a boss towards the inside of the exchanger, that is to say upwards in the figure.
  • Other information provided in relation to Figures 1 and 2 are valid for this figure 3 .
  • the collar 21 has the advantage that it facilitates the assembly of the exchanger because the tubes are easier to insert into the orifices than in the embodiment of the figure 1 .
  • This embodiment is also advantageous as regards the reduction of stresses exerted on the tube 1.
  • the embodiment of the figure 4 differs from the previous one in that the collector plate 3 'comprises a groove 23 in which a seal (not shown) can be inserted to ensure sealing with a cover (not shown).

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)

Claims (9)

  1. Kopfplatte (3) für einen Wärmetauscher, umfassend eine mit Öffnungen (7) versehene Wand (5), die dazu bestimmt ist, von Rohren (1) durchdrungen zu werden, die in einer Reihe entlang einer Längsrichtung (L) angeordnet sind, wobei:
    - die Wand (5) im Querschnitt (T) ein Profil aufweist, das aus einem mittleren Abschnitt (13, 13') und zwei seitlichen Abschnitten (15) besteht,
    - die seitlichen Abschnitte (15) insgesamt einer ersten Wölbung (17) mit einem ersten Krümmungsradius (R1) folgen,
    - der mittlere Abschnitt (13, 13') insgesamt einer zweiten Wölbung (19) mit einem zweiten Krümmungsradius (R2) folgt, der kleiner als der erste Krümmungsradius (R1) ist,
    die Kopfplatte (3) so gebogen ist, dass zwei Kanten (11) zwischen Längsumbiegungen (9) und der Wand (5) gebildet werden,
    wobei die Kopfplatte dadurch gekennzeichnet ist,
    dass mindestens eine der Öffnungen (7) einen Kragen (21) umfasst, der dazu bestimmt ist, einen Teil der Wand des die Wand (5) durch diese Öffnung durchdringenden Rohres (1) zu bedecken, und wobei mindestens eine der Öffnungen (7) in eine senkrecht zu den Längs- und Querrichtungen verlaufende Richtung eine längliche Projektion mit der Hauptachse TW besitzt und wobei in Bezug auf eine Ebene, die durch Längskanten (11) der Wand verläuft, die Höhe der seitlichen Abschnitte (15) H1 ist und die Höhe des mittleren Abschnitts (13) H2 ist und wobei das Verhältnis zwischen den Höhen H1, H2 und der Hauptachse TW die folgenden Ungleichungen erfüllt: 0,05 < H 1 / TW < 0,2
    Figure imgb0009
     0,05 < H 2 / TW < 0,3
    Figure imgb0010
  2. Kopfplatte nach dem vorhergehenden Anspruch, wobei die Hauptachse TW zwischen 10 mm und 100 mm beträgt.
  3. Kopfplatte nach einem der vorhergehenden Ansprüche, wobei der Kragen (21) nach außerhalb des Endbodens vorsteht.
  4. Kopfplatte nach einem der vorhergehenden Ansprüche, wobei die Öffnungen um einen Abstand zwischen 5 mm und 10 mm, bevorzugt zwischen 6 mm und 8 mm beabstandet sind.
  5. Kopfplatte nach einem der vorhergehenden Ansprüche, die aus einem Blech mit einer Stärke zwischen 0,7 mm und 2 mm, bevorzugt zwischen 1 mm und 1,5 mm gebildet ist.
  6. Sammelkasten mit einer Kopfplatte (3) nach einem der vorhergehenden Ansprüche und einem Deckel aus Kunststoff oder Metall, der mit der Kopfplatte durch Umbördeln, Kleben, Löten oder Schweißen verbunden ist.
  7. Sammelkasten nach dem vorhergehenden Anspruch, umfassend eine Nut zum Aufnehmen einer Dichtung, die zwischen der Kopfplatte und dem Deckel angeordnet ist.
  8. Wärmetauscher mit einem Sammelkasten nach einem der Ansprüche 6 und 7 und Rohren, die aus einem Blech mit einer Stärke zwischen 0,1 mm und 0,5 mm, bevorzugt zwischen 0,2 mm und 0,3 mm gebildet sind.
  9. Wärmetauscher mit einem Sammelkasten nach Anspruch 7 und Rohren, die durch Elektroschweißen, Biegen zu mehreren Kanälen oder Falzen erhalten werden.
EP15766888.0A 2014-09-24 2015-09-23 Kopfplatte für einen wärmetauscher, sammelkasten und wärmetauscher Active EP3198212B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1459041A FR3026170A1 (fr) 2014-09-24 2014-09-24 Plaque collectrice pour un echangeur de chaleur, boite collectrice et echangeur de chaleur
PCT/EP2015/071921 WO2016046290A1 (fr) 2014-09-24 2015-09-23 Plaque collectrice pour un échangeur de chaleur, boîte collectrice et échangeur de chaleur

Publications (2)

Publication Number Publication Date
EP3198212A1 EP3198212A1 (de) 2017-08-02
EP3198212B1 true EP3198212B1 (de) 2020-01-29

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EP15766888.0A Active EP3198212B1 (de) 2014-09-24 2015-09-23 Kopfplatte für einen wärmetauscher, sammelkasten und wärmetauscher

Country Status (9)

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US (1) US10168109B2 (de)
EP (1) EP3198212B1 (de)
JP (1) JP2017531149A (de)
KR (1) KR20170057420A (de)
CN (1) CN107110619A (de)
BR (1) BR112017005949A2 (de)
FR (1) FR3026170A1 (de)
MX (1) MX2017003849A (de)
WO (1) WO2016046290A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2019004922A (es) * 2016-10-28 2019-06-20 Valeo Systemes Thermiques Placa recolectora para un intercambiador de calor para vehiculo automotriz.
JP6919472B2 (ja) * 2017-09-29 2021-08-18 株式会社デンソー 熱交換器
KR102703322B1 (ko) * 2019-02-13 2024-09-06 한온시스템 주식회사 열교환기
DE102019207905A1 (de) 2019-05-29 2020-12-03 Hanon Systems Profil für einen Rohrboden eines Kühlers, Rohrboden mit einem derartigen Profil und Kühler mit einem Rohrboden
EP3789721B1 (de) * 2019-09-09 2022-01-05 Valeo Autosystemy SP. Z.O.O. Ausgleichsbehälteranordnung
JPWO2021054484A1 (de) * 2019-09-20 2021-03-25
DE102020206409B4 (de) * 2020-05-22 2022-03-31 Hanon Systems Wärmeübertrager
KR20240036850A (ko) * 2022-09-14 2024-03-21 한온시스템 주식회사 열교환기

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1775540A1 (de) * 2005-10-12 2007-04-18 Behr GmbH & Co. KG Sammelrohr für einen Wärmeübertrager

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Publication number Priority date Publication date Assignee Title
JPH0245378U (de) * 1988-09-12 1990-03-28
JP3104301B2 (ja) * 1991-07-08 2000-10-30 株式会社デンソー 熱交換器のヘッダ構造
JP3774017B2 (ja) * 1997-02-19 2006-05-10 カルソニックカンセイ株式会社 熱交換器
JP4560902B2 (ja) * 2000-06-27 2010-10-13 株式会社デンソー 熱交換器およびその製造方法
JP2005308366A (ja) 2004-04-26 2005-11-04 T Rad Co Ltd 熱交換器
JP2006189205A (ja) * 2005-01-06 2006-07-20 Denso Corp 熱交換器
JP4856942B2 (ja) * 2005-12-14 2012-01-18 昭和電工株式会社 熱交換器用ヘッダタンクおよびこれに用いる外側プレートの製造方法
DE102006057851A1 (de) * 2006-12-08 2008-06-12 Modine Manufacturing Co., Racine Bodenteil für einen Sammelkasten eines Wärmeaustauschers
KR101564271B1 (ko) * 2009-07-02 2015-10-29 한온시스템 주식회사 열교환기
FR2951259B1 (fr) * 2009-10-08 2014-02-28 Valeo Systemes Thermiques Plaque collectrice pour un echangeur de chaleur et echangeur de chaleur correspondant

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1775540A1 (de) * 2005-10-12 2007-04-18 Behr GmbH & Co. KG Sammelrohr für einen Wärmeübertrager

Also Published As

Publication number Publication date
KR20170057420A (ko) 2017-05-24
MX2017003849A (es) 2018-01-12
JP2017531149A (ja) 2017-10-19
US10168109B2 (en) 2019-01-01
WO2016046290A1 (fr) 2016-03-31
FR3026170A1 (fr) 2016-03-25
US20170299283A1 (en) 2017-10-19
BR112017005949A2 (pt) 2017-12-19
EP3198212A1 (de) 2017-08-02
CN107110619A (zh) 2017-08-29

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