EP3274643A1 - Collection box for heat exchanger of a motor vehicle air-conditioning circuit, and heat exchanger including such a collection box - Google Patents
Collection box for heat exchanger of a motor vehicle air-conditioning circuit, and heat exchanger including such a collection boxInfo
- Publication number
- EP3274643A1 EP3274643A1 EP16712830.5A EP16712830A EP3274643A1 EP 3274643 A1 EP3274643 A1 EP 3274643A1 EP 16712830 A EP16712830 A EP 16712830A EP 3274643 A1 EP3274643 A1 EP 3274643A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- protuberances
- manifold
- collector box
- heat exchanger
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title description 3
- 238000005192 partition Methods 0.000 claims abstract description 76
- 239000012530 fluid Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000005219 brazing Methods 0.000 description 4
- 238000002788 crimping Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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.
- 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.
- Collection boxes are known, composed of a collecting plate and a lid.
- Said partitions are configured to limit or prevent the flow of said first fluid from one compartment to another.
- 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
- 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.
- 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.
- said protuberances are designed so as to project towards said interior space of said collecting box
- said protuberances are spurs
- said protuberances are of cylindrical shape
- said protuberances have a triangular prism shape
- protuberances are arranged in pairs, so that the partition is designed to be engaged between two protuberances of the same pair,
- control orifice is arranged equidistant from each of the protuberances of the same pair of protuberances
- control orifice is arranged between two protuberances of the same pair of protuberances
- control orifice is shifted transversely with respect to the protuberances of the same pair of protuberances
- said protuberances are of cylindrical shape
- said protuberances have a triangular prism shape
- control orifice opens into a bowl, formed on an outer face of said manifold box by inclined faces of said protuberances,
- control orifice opens into one or more channels formed by a material thickness of said radial abutment manifold for said partition wall, said channel extends radially through said material thickness
- said channels extend on either side of said thickness of material
- pairs of protuberances are arranged facing each other on either side of a plane of symmetry of the collecting box
- said protuberances are designed to block said translational partition in a main direction of longitudinal extension of the collector box
- said manifold comprises a cover and a collector plate
- said collector plate is provided with said protuberances
- said cover is provided with said protuberances
- said manifold comprises a row of flow tube introduction orifices of the first fluid formed on a base of the manifold
- said protuberances are located at the side flanks of said manifold box extending on either side of said row of insertion orifices,
- control orifice is intended to be closed off by a portion of wafer of said partition wall.
- the invention further relates to a heat exchanger comprising such a manifold.
- Figures lb, 2b, 3b and 4b are perspective views of a portion of the manifold, devoid of cover and partition, according to the various embodiments above.
- Figures 1c, 2c, 3c and 4c are perspective views of the portion of the manifold of Figures lb, 2b, 3b and 4b, provided with a partition, according to different embodiments.
- FIGS. 1d, 2d, 3d and 4d are perspective views of a longitudinal section of the header box, provided with a partition wall, according to the various embodiments, the cutting plane used being orthogonal to that Figures la, 2a, 3a and 4a.
- ⁇ Figure 5 is a front view of a heat exchanger with two collector boxes according to the invention.
- 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. U orientations forming respectively the collecting plate
- 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 that the lid is secured and sealed.
- said crimping can be performed 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 7 is designed to be held in position by one and the other of these pairs 2, said partition wall 7 being inserted between the protuberances 2 of each pair of protuberances 2.
- Said protuberances 2 are also designed to allow blockage of the protuberances 2. 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 one and the same pair of protuberances 2 have the shape of a triangular prism and each have a flat face, called a 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.
- partition wall 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 planar 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 a 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 portion of the peripheral lateral face 70 of partition wall 7.
- the largest dimension of a cross section of the control orifice 1, at a zone of closure of the control orifice 1 by the partition wall 7, is substantially equal to the thickness of said 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 main 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 collecting box 3 is provided with two control orifices 1, each control orifice 1 being disposed on one of the lateral flanks 310 of the collecting plate 31.
- said control orifices 1 present 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.
- 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.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1552441A FR3034185B1 (en) | 2015-03-24 | 2015-03-24 | COLLECTOR BOX FOR HEAT EXCHANGER OF AIR CONDITIONING CIRCUIT OF MOTOR VEHICLE, AND HEAT EXCHANGER COMPRISING SUCH A COLLECTOR BOX. |
PCT/EP2016/056531 WO2016151081A1 (en) | 2015-03-24 | 2016-03-24 | Collection box for heat exchanger of a motor vehicle air-conditioning circuit, and heat exchanger including such a collection box |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3274643A1 true EP3274643A1 (en) | 2018-01-31 |
EP3274643B1 EP3274643B1 (en) | 2019-11-13 |
Family
ID=53758321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16712830.5A Active EP3274643B1 (en) | 2015-03-24 | 2016-03-24 | Collection box for heat exchanger of a motor vehicle air-conditioning circuit, and heat exchanger including such a collection box |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3274643B1 (en) |
FR (1) | FR3034185B1 (en) |
WO (1) | WO2016151081A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2724915A1 (en) * | 2018-03-16 | 2019-09-17 | Valeo Termico Sa | HEAT EXCHANGER FOR GASES AND ASSEMBLY PROCEDURE OF A HEAT EXCHANGER (Machine-translation by Google Translate, not legally binding) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04225796A (en) * | 1990-12-27 | 1992-08-14 | Nippondenso Co Ltd | Tank for heat exchanger |
JPH09269199A (en) * | 1996-03-29 | 1997-10-14 | Sanden Corp | Heat exchanger |
JPH09296992A (en) * | 1996-04-30 | 1997-11-18 | Sanden Corp | Heat exchanger |
JP2007101088A (en) * | 2005-10-05 | 2007-04-19 | Calsonic Kansei Corp | Tank structure for heat exchanger |
FR3008784B1 (en) * | 2013-07-19 | 2017-12-29 | Valeo Systemes Thermiques | COLLECTOR COLLECTOR PLATE OF A HEAT EXCHANGER |
-
2015
- 2015-03-24 FR FR1552441A patent/FR3034185B1/en not_active Expired - Fee Related
-
2016
- 2016-03-24 WO PCT/EP2016/056531 patent/WO2016151081A1/en active Application Filing
- 2016-03-24 EP EP16712830.5A patent/EP3274643B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2016151081A1 (en) | 2016-09-29 |
FR3034185A1 (en) | 2016-09-30 |
EP3274643B1 (en) | 2019-11-13 |
FR3034185B1 (en) | 2018-04-27 |
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