EP3274643B1 - Sammelbehälter für wärmetauscher eines kraftfahrzeugklimatisierungskreislaufs und wärmetauscher mit solch einem sammelbehälter - Google Patents

Sammelbehälter für wärmetauscher eines kraftfahrzeugklimatisierungskreislaufs und wärmetauscher mit solch einem sammelbehälter Download PDF

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Publication number
EP3274643B1
EP3274643B1 EP16712830.5A EP16712830A EP3274643B1 EP 3274643 B1 EP3274643 B1 EP 3274643B1 EP 16712830 A EP16712830 A EP 16712830A EP 3274643 B1 EP3274643 B1 EP 3274643B1
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EP
European Patent Office
Prior art keywords
protuberances
collector box
heat exchanger
manifold
control orifice
Prior art date
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EP16712830.5A
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English (en)
French (fr)
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EP3274643A1 (de
Inventor
Arnaud CINGET
Gaël DURBECQ
Jean-Baptiste CUILLIER
Salim RABAHI
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Valeo Systemes Thermiques SAS
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Valeo Systemes Thermiques SAS
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Publication of EP3274643A1 publication Critical patent/EP3274643A1/de
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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
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • F28F9/0209—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions
    • F28F9/0212—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions the partitions being separate elements attached to 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
    • F28F2265/16—Safety or protection arrangements; Arrangements for preventing malfunction for preventing leakage
    • 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
    • F28F2280/04—Means for preventing wrong assembling of parts
    • 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

Definitions

  • the invention relates to the field of heat exchangers, in particular condensers, and relates in particular to an associated collector box according to the preamble of claim 1.
  • EP 0 805 330 discloses such a collector box.
  • the invention will find particular applications in the field of air conditioning circuits for motor vehicles.
  • heat exchangers composed of a beam, itself composed of parallel tubes, said beam allowing a heat exchange between a first fluid flowing inside said tubes, and a second fluid, passing through said beam between said tubes.
  • Said heat exchangers further comprise collecting boxes to which said tubes are connected.
  • Collection boxes are known, composed of a collecting plate and a lid.
  • it is known to organize the circulation of the first fluid in the beam in several passes.
  • it is known to provide the manifolds of partition walls to divide an inner space of the collector box into several compartments. Said partitions are configured to limit or prevent the flow of said first fluid from one compartment to another. These partitions are generally invisible from the outside so that it is not possible to know, at the time of assembly, whether they have been put in place.
  • One of the objectives of the invention is to provide a collector box that allows a rapid control of the presence or absence of said partitions, while limiting the risks of creation of a leakage fault.
  • the invention thus relates to a collection box, in particular for a heat exchanger in a motor vehicle, said heat exchanger being designed to allow heat exchange with a first fluid, said manifold being provided with at least one control orifice and at least one protrusion for holding in position a partition wall designed to allow a separation of an interior space of the manifold box in several compartments, said control orifice being adapted to allow leakage of said first fluid to the outside of the manifold when said manifold is devoid of said partition wall, said control port being designed to be closed by said partition wall. Said control orifice being shifted transversely relative to the protuberances of the same pair of protuberances.
  • the assembly of the pre-brazing partitions is obtained by the one or more retaining protuberances and the orifice is devoid of a function of maintaining the partition wall. It thus makes it possible to control the presence of the partition without risk of altering the tightness of the collecting box.
  • the invention further relates to a heat exchanger comprising such a manifold.
  • the invention relates to a heat exchanger 100, and a manifold 3 for such a heat exchanger 100, especially for a motor vehicle.
  • Said exchanger 100 is for example a condenser 100 configured to allow heat energy exchange between a first fluid and a second fluid.
  • said first fluid is advantageously a refrigerant circulating inside the heat exchanger 100.
  • the second fluid is for example ambient air circulating through the shell of a motor vehicle and engulfing in a motor compartment so as to pass through said condenser 100.
  • Said heat exchanger 100 comprises for example a beam 110 of heat exchange provided on either side of a said manifold 3 according to the invention.
  • Said beam 110 is for example composed of tubes 111 inside which said first fluid flows and between which said second fluid circulates.
  • Said tubes 111 are advantageously oriented parallel to each other in a direction perpendicular to a main direction of longitudinal extension of the manifolds 3.
  • Said tubes 111 of the beam 110 open into the manifolds 3, at their ends.
  • Said beam 110 may further comprise fins 112, positioned between the tubes 111.
  • Said heat exchanger 100 may further comprise an inlet 120 for the inlet of the first fluid in said heat exchanger 100 and an outlet 130 for the outlet of the first fluid of the heat exchanger 100, here respectively connected to each of the collector boxes.
  • said header box 3 comprises a cover 32 and a header plate 31 each having a principal direction of longitudinal extension parallel to a principal direction of longitudinal extension of the manifold 3.
  • the cover 32 and the collector plate 31 are advantageously brazed to each other.
  • Said manifold 3, thus formed, has a substantially tubular general shape and extends in its main direction of longitudinal extension between two ends of the manifold 3, said axial ends.
  • Said collector plate 31 defines a bottom 311 extended by two lateral flanks 310 so that each lateral flank 310 extends longitudinally from one axial end to the other of the manifold 3.
  • the manifold plate 31 has, for example, a cross section substantially U. These side flanks 310 extend here parallel to each other and vis-à-vis one another.
  • introduction ports 33 for example oblong, all along it.
  • Said introduction orifices 33 are mutually parallel and each extend orthogonally to the direction of extension of the manifold 3. These insertion orifices 33 are intended to receive the ends corresponding tubes 111 of the beam 110 of the exchanger and may be flanked by collars 330.
  • the cover 32 extends longitudinally between the two axial ends of the header box 3 and has a substantially U-shaped cross section.
  • Said cover 32 comprises a base 321, in particular provided slightly concave.
  • Said base 321 is here extended by lateral flanks 320, parallel and vis-à-vis one of the other, advantageously shorter than those of the header plate 31.
  • the lateral flanks 320 of the cover 32 extend longitudinally from one axial end to the other of the manifold 3.
  • the bottom 311 of the header plate 31 and the base 321 of the cover 32 are designed to be mounted opposite one another and parallel to each other.
  • the distance, called the width, separating the two lateral flanks 320 from the cover 32 is smaller than the distance, called the width, separating the two lateral flanks 310 from the collecting plate 31.
  • the dimension, especially in width of the cover 32 is such that the lateral flanks 320 of the cover 32 fit between the lateral flanks 310 of the collector plate 31. In this manner, each lateral flank 320 of the cover 32 is in contact with a lateral flank 310 of the collector plate 31.
  • the orientations of the U forming respectively the manifold plate 31 and the cover 32 are here opposite.
  • the assembly of the cover 32 and the collector plate 31 defines an interior space of the manifold 3 in which is circulated said first fluid.
  • the cross section of the header box 3 is substantially oval or rectangular with rounded corners.
  • the cover 32 and the collector plate 31 are crimped and then brazed to one another at the side flanks 310, 320 so as to ensure a connection and a seal between the cover 32 and the collector plate 31.
  • said crimping can be done by crimping a part of each lateral flank 310 of the header plate 31 on one of the lateral flanks 320 of the cover 32.
  • Closing walls are advantageously provided at each of the axial ends of the header box 3 to close it.
  • said manifold box 3 is provided with protuberances 2 for holding in position a partition wall 7.
  • the protuberances 2 are for example arranged on one or the other of the lateral flanks 310 of the header plate 31 .
  • Said protuberances 2 are, for example, lugs projecting towards said interior space of the manifold box 3.
  • Said protuberances 2 are advantageously arranged in pairs of protuberances 2, so that said partition wall 7 is designed to engage between the protuberances 2 of the same pair of protuberances 2.
  • the protuberances 2 of the same pair of protuberances 2 are advantageously, on the same lateral flank 310 of the manifold 3, separated from one another by a distance substantially equal to one thickness of the partition wall 7 so as to allow insertion and maintenance of said partition wall 7.
  • said protuberances 2 of the same pair of protuberances are aligned on the same straight line parallel to the main direction of longitudinal extension of the collectric box e 3.
  • the manifold 3 is provided with at least two pairs of protuberances 2 arranged vis-à-vis one another with respect to a plane of symmetry of said manifold 3.
  • said pairs of protuberances 2 are for example each arranged on a lateral flank 310 of the collector plate 31.
  • Said partition wall 7 is designed to be held in position by one and the other of these pairs of protuberances 2, said separating partition 7 being inserted between the protuberances 2 of each pair of protuberances 2.
  • Said protuberances 2 are also designed to allow blockage of said partition wall 7 in translation along the main direction of longitudinal extension of the manifold 3.
  • said protuberances 2 are for example of cylindrical shape, said cylindrical shape allowing rapid insertion of the partition wall 7 between one and the other of the protuberances 2 of the same pair.
  • said protuberances of the same pair of protuberances 2 have the shape of a triangular prism and each have a planar face, said contact face, said contact faces being oriented parallel to a plane orthogonal to the main direction of longitudinal extension of the manifold 3 and being arranged vis-à-vis one another.
  • Each of said contact faces of the protuberances is adapted to be in contact with said partition wall 7.
  • said protuberances 2 are for example designed and arranged to serve as positioning stops between the cover 32 and the header plate 31, in particular before brazing with each other.
  • the cover 32 and the collector plate 31 may be arranged so that a longitudinal edge of the lateral flanks 320 of the cover 32 rests on said protuberances 2. This configuration makes it easier to position the cover 32 and the plate respectively. collector 31 before brazing with each other.
  • the protuberances 2 may be arranged elsewhere than on the lateral flanks 310 of the collecting plate 31, for example on the base 311 or at the level of the cover 32.
  • Said partition 7 is designed to separate said interior space of the header box 3 in at least two compartments so as to allow a circulation of the first fluid in the heat exchanger 100 in several passes.
  • Said partition 7 is advantageously a wall having two flat faces 71, 72 parallel to one another. Said flat faces 71, 72 are separated from one another, and connected to one another, by a peripheral lateral face 70. Said planar faces 71, 72 of the partition wall 7 are intended to be in contact with each other. contact with said first fluid. Said peripheral lateral face 70 of the partition wall 7 is, it, designed to be in contact with the inner walls of the manifold 3. The following is a definition of the partition wall 7 as the distance, in one direction perpendicular to the two planar faces 71, 72, separating said two planar faces. Said partition 7 is advantageously of substantially flat shape and thin.
  • the contact faces of the protuberances 2 are intended to be in contact with a part of the flat faces 71, 72 of the partition walls 7.
  • Said partition 7 is designed to be positioned between two protuberances 2 and oriented substantially in a plane orthogonal to the main direction of longitudinal extension of the manifold 3.
  • the partition wall 7 is configured to limit or prevent a flow of the first fluid on either side of said partition wall 7 in the interior of the header box 3.
  • the partition wall 7 has a contour of substantially identical shape to the shape of an internal cross section of the manifold 3.
  • the partition wall 7 is designed to cooperate by complementary shape with the inner walls of the manifold 3 so as to be brazed to them.
  • the partition wall 7 has a first portion in contact with an inner contour of the cover 32 and a second portion in contact with an inner contour of the header plate 31, the second portion defining lateral shoulders in contact with the longitudinal edges of the cover 32, which immobilizes the partition in rotation, before brazing.
  • the peripheral lateral face 70 of the partition wall 7 is intended, once the cover 32 is brazed to the collector plate 31, to be in full contact with said cover 32 and with said collector plate 31.
  • This form of the separating partition 7 allows in particular to obtain a sealed separation between the two compartments that separates said partition wall 7 even if slight leaks can occur from one compartment to another.
  • said partition wall 7 is designed to be disposed, in the interior space of the manifold box 3, between two adjacent introduction orifices 33 of the tubes 111.
  • the manifold 3 is provided with at least one control orifice 1.
  • Said control orifice 1 is designed to allow leakage of said first fluid towards the outside of the manifold 3 when said manifold 3 is devoid of one of said partition walls 7, said control port 1 being designed to be closed by said partition wall 7 when it is actually present.
  • said control orifice 1 is designed to be closed by said partition wall 7 when it is disposed between said protuberances 2.
  • control orifices 1 allow a visual check of the presence or absence of partition wall 7 from the outer space of the header box 3, for example by a mounting operator, even once. the manifold plate 31 and the lid 32 brazed to each other. A leak test will also verify the presence or absence of said partition wall 7.
  • Said inspection orifices 1 are for example arranged on the lateral flanks 310 of the collector plate 31.
  • said control orifices 1 may be arranged at any place enabling them to be closed by the insertion of said partition wall 7, either at the level of the collector plate 31 or at the level of the cover 32.
  • Said control orifices 1 are advantageously designed so as to cross on either side said lateral flanks 310 of the manifold 3, so as to allow a circulation of said first fluid between the outside and said inside space of the manifold 3 when the collecting box 3 is devoid of said partition wall 7.
  • Each of said control orifices 1 may for example be obtained by perforation, by drilling or by puncturing the collector plate 31.
  • the manifold 3 is provided with two control orifices 1, each control orifice 1 being disposed on one of the lateral flanks 310 of the collector plate 31, between the two protuberances 2 of the same pair of protuberances. More specifically, here, said protuberances 2 of the same pair of protuberances 2 are separated from each other by said control orifice 1. In other words, each of the protuberances 2 of the same pair of protuberances 2 and said orifice 1 are all substantially aligned along the same straight line parallel to the main direction of longitudinal extension of the manifold 3.
  • Each control orifice 1 opens here into a bowl 10, formed on an outer face of said manifold 3 by inclined faces of said protuberances 2.
  • said two control orifices 1 are arranged facing each other, for example to facilitate visual inspection of the presence or absence of the partition wall 7.
  • said partition wall 7 is designed to be arranged at said control orifices 1.
  • each of said control orifices 1 is designed to be closed off by a part of the peripheral lateral face 70 of partition wall 7.
  • control orifice 1 opens into one or more channels 11 formed by a material thickness 12 of said manifold 3 forming a radial stop for said partition wall 7.
  • said control orifices 1 are arranged between the protuberances 2 of the same pair of protuberances 2.
  • said channel 11 this time extends radially through said thickness of material 12.
  • the two protuberances 2 of the same pair of protuberances 2 and one of said control orifices 1 are here aligned along the same straight line parallel to the principal direction of longitudinal extension of the manifold 3.
  • each of said control ports 1 is configured to be closed by a portion of the peripheral side face 70 of the partition wall 7.
  • Said control orifices 1 here have a cross section, that is to say in a plane parallel to the lateral flank 310, of substantially circular shape.
  • said control orifices 1 may have a cross section of different shape for example oblong, triangular or rectangular.
  • said channels 11 extend on either side of said thickness of material 12. Said channels 11 extend between said thickness of material 12 and the inclined faces of said protuberances 2.
  • the manifold 3 is provided with two control orifices 1, each control orifice 1 being disposed on one of the lateral flanks 310 of the manifold plate 31.
  • said control orifices 1 have substantially the shape of a cylinder of revolution.
  • Each of the two control orifices 1 is arranged, on one of the lateral flanks 310, near a pair of protuberances 2.
  • said control orifices 1 are not, here, aligned with the two protuberances 2 of the same pair of protuberances 2 near which each control port 1 is arranged.
  • each of said control orifices 1 is shifted transversely with respect to the protuberances 2 of the same pair of protuberances 2.
  • Each control orifice 1 is equidistant from one and the other of the protuberances 2 of the same pair of protuberances 2 near which it is located.
  • the protuberances 2 are advantageously of substantially cylindrical shape so that once the partition 7 has been inserted between each pair of protuberances 2, the said partition 7 is locked in translation along the said principal direction of longitudinal extension of the collector box 3.

Claims (13)

  1. Sammelbehälter (3), insbesondere für einen Wärmeaustauscher (100) in einem Kraftfahrzeug, wobei der Wärmeaustauscher (100) dafür ausgelegt ist, einen Wärmeaustausch mit einem ersten Fluid zu gestatten, wobei der Sammelbehälter (3) mit mindestens einer Kontrollöffnung (1) und mit mindestens einem Vorsprung (2) zum Inpositionhalten einer Trennwand (7), die dafür ausgelegt ist, eine Aufteilung eines Innenraums des Sammelbehälters (3) in mehrere Räume zu gestatten, versehen ist, wobei die Kontrollöffnung (1) geeignet ist, ein Entweichen des ersten Fluids hin zum Äußeren des Sammelbehälters (3) zu gestatten, wenn der Sammelbehälter (3) die Trennwand (7) nicht aufweist, wobei die Kontrollöffnung (1) dafür ausgelegt ist, von der Trennwand (7) verschlossen zu sein, dadurch gekennzeichnet, dass die Kontrollöffnung quer zu den Vorsprüngen (2) eines selben Paars von Vorsprüngen (2) versetzt ist.
  2. Sammelbehälter (3) nach dem vorhergehenden Anspruch, wobei die Vorsprünge (2) so ausgelegt sind, dass sie in Richtung des Innenraums des Sammelbehälters (3) hervorstehen.
  3. Sammelbehälter (3) nach einem der vorhergehenden Ansprüche, wobei die Vorsprünge (2) Nasen sind.
  4. Sammelbehälter (3) nach einem der vorhergehenden Ansprüche, wobei die Vorsprünge (3) paarweise angeordnet sind, so dass die Trennwand (7) dafür ausgelegt ist, sich zwischen zwei Vorsprünge (2) eines selben Paars in Eingriff zu befinden.
  5. Sammelbehälter (3) nach dem vorhergehenden Anspruch, wobei die Kontrollöffnung (1) in gleichem Abstand zu jedem der Vorsprünge (2) eines selben Paars von Vorsprüngen (2) angeordnet ist.
  6. Sammelbehälter (3) nach einem der vorhergehenden Ansprüche, wobei die Vorsprünge (2) zylinderförmig sind.
  7. Sammelbehälter (3) nach einem der Ansprüche 1 bis 5, wobei die Vorsprünge (2) eine Form eines dreieckigen Prismas aufweisen.
  8. Sammelbehälter (3) nach einem der vorhergehenden Ansprüche, wobei die Kontrollöffnung (1) in einer Mulde (10) mündet, die auf einer Außenseite des Sammelbehälters (3) von geneigten Flächen der Vorsprünge (2) gebildet ist.
  9. Sammelbehälter (3) nach einem der vorhergehenden Ansprüche, wobei die Kontrollöffnung (1) in einem oder mehreren Kanälen (11) mündet, die von einer Materialdicke (12) des Sammelbehälters (3) gebildet ist, die einen radialen Anschlag für die Trennwand (7) bildet.
  10. Sammelbehälter (3) nach Anspruch 9, wobei sich der Kanal (11) radial über die Materialdicke (12) erstreckt.
  11. Sammelbehälter (3) nach Anspruch 9, wobei sich die Kanäle (11) beiderseits der Materialdicke (12) erstrecken.
  12. Sammelbehälter (3) nach einem der vorhergehenden Ansprüche, wobei die Kontrollöffnung (1) dazu bestimmt ist, von einem Teilabschnitt der Trennwand (7) verschlossen zu sein.
  13. Wärmeaustauscher (100) umfassend einen Sammelbehälter (3) nach einem der vorhergehenden Ansprüche.
EP16712830.5A 2015-03-24 2016-03-24 Sammelbehälter für wärmetauscher eines kraftfahrzeugklimatisierungskreislaufs und wärmetauscher mit solch einem sammelbehälter Active EP3274643B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1552441A FR3034185B1 (fr) 2015-03-24 2015-03-24 Boite collectrice pour echangeur de chaleur de circuit de climatisation de vehicule automobile, et echangeur de chaleur comprenant une telle boite collectrice.
PCT/EP2016/056531 WO2016151081A1 (fr) 2015-03-24 2016-03-24 Boite collectrice pour echangeur de chaleur de circuit de climatisation de vehicule automobile, et echangeur de chaleur comprenant une telle boite collectrice

Publications (2)

Publication Number Publication Date
EP3274643A1 EP3274643A1 (de) 2018-01-31
EP3274643B1 true EP3274643B1 (de) 2019-11-13

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EP16712830.5A Active EP3274643B1 (de) 2015-03-24 2016-03-24 Sammelbehälter für wärmetauscher eines kraftfahrzeugklimatisierungskreislaufs und wärmetauscher mit solch einem sammelbehälter

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EP (1) EP3274643B1 (de)
FR (1) FR3034185B1 (de)
WO (1) WO2016151081A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2724915A1 (es) * 2018-03-16 2019-09-17 Valeo Termico Sa Intercambiador de calor para gases y procedimiento de montaje de un intercambiador de calor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04225796A (ja) * 1990-12-27 1992-08-14 Nippondenso Co Ltd 熱交換器用タンク
JPH09269199A (ja) * 1996-03-29 1997-10-14 Sanden Corp 熱交換器
JPH09296992A (ja) * 1996-04-30 1997-11-18 Sanden Corp 熱交換器
JP2007101088A (ja) * 2005-10-05 2007-04-19 Calsonic Kansei Corp 熱交換器のタンク構造
FR3008784B1 (fr) * 2013-07-19 2017-12-29 Valeo Systemes Thermiques Plaque collectrice de collecteur d'un echangeur de chaleur

Non-Patent Citations (1)

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

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FR3034185A1 (fr) 2016-09-30
FR3034185B1 (fr) 2018-04-27
WO2016151081A1 (fr) 2016-09-29
EP3274643A1 (de) 2018-01-31

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