EP3663695A1 - Konstitutiver sammelbehälter für einen wärmetauscher - Google Patents

Konstitutiver sammelbehälter für einen wärmetauscher Download PDF

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Publication number
EP3663695A1
EP3663695A1 EP18210197.2A EP18210197A EP3663695A1 EP 3663695 A1 EP3663695 A1 EP 3663695A1 EP 18210197 A EP18210197 A EP 18210197A EP 3663695 A1 EP3663695 A1 EP 3663695A1
Authority
EP
European Patent Office
Prior art keywords
collector
cavity
partition
projection
cover
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
Application number
EP18210197.2A
Other languages
English (en)
French (fr)
Other versions
EP3663695B1 (de
Inventor
Jean-Baptiste CUILLIER
Salim RABAHI
Lim-Suon Bun
Rongxin HE
Binglin Xu
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Priority to EP18210197.2A priority Critical patent/EP3663695B1/de
Priority to PCT/EP2019/083496 priority patent/WO2020115043A1/en
Publication of EP3663695A1 publication Critical patent/EP3663695A1/de
Application granted granted Critical
Publication of EP3663695B1 publication Critical patent/EP3663695B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the present invention relates to a collector constituting a heat exchanger. It relates to such a collector as well as a heat exchanger comprising such a collector.
  • a motor vehicle is commonly equipped with a refrigerant fluid circuit to modify a temperature of the air contained inside a passenger compartment of the motor vehicle.
  • the refrigerant circuit comprises at least one heat exchanger, such as a condenser, a gas cooler or an evaporator, which is arranged to allow a transfer of calories between the refrigerant circulating inside the heat exchanger. heat and an air flow passing through it.
  • the heat exchanger comprises a plurality of tubes which are intended to be traversed by the air flow and which are interposed between two collectors, including for example a manifold for entering the refrigerant fluid inside the heat exchanger. heat and a coolant outlet manifold from the heat exchanger, according to an exemplary embodiment of such a heat exchanger.
  • Such heat exchangers are commonly produced from a brazing operation of partitions, manifolds and tubes during the assembly between them of the constituent elements of the heat exchanger. Such an operation requires precise positioning of these elements and more particularly of the partitions inside the collectors, to avoid either external leaks of the refrigerant towards the outside of the heat exchanger, or internal leaks of refrigerant between two adjacent passes.
  • a technical problem to be solved therefore lies in the need to have a collector arranged to prevent such leaks, in particular from a precise positioning of the partitions, and more particularly a positioning of the partitions inside respective planes which are perpendicular to a longitudinal direction of extension of the collector which houses the latter.
  • An object of the present invention is to provide a manifold arranged to prevent any leakage of refrigerant, external or internal, in particular from an optimized positioning of the partitions housed inside the collectors of the heat exchanger.
  • a collector of the present invention is a collector constituting a heat exchanger.
  • the collector comprises at least one collector plate and a cover, which jointly delimit an internal space.
  • the collector also includes at least one partition, which divides the internal space into two sections.
  • the collector has an internal face bordering the internal space and an external face oriented towards the outside of the collector.
  • the internal face comprises at least one housing for receiving the partition.
  • the internal face comprises at least one cavity and a projection, the projection being interposed between the cavity and the housing for receiving the partition.
  • the present invention also relates to a heat exchanger comprising at least one such collector.
  • the present invention also relates to a refrigerant fluid circuit comprising at least one such heat exchanger.
  • the assembly process can include a fourth step of securing the cover and the separating plate, the partition being interposed between the cover and the collecting plate.
  • the longitudinal, transverse, lateral, vertical denominations refer to the orientation, in an orthonormal reference frame Oxyz, of a heat exchanger 1 illustrated on the figure 1 .
  • the axis Ox represents the longitudinal direction
  • the axis Oy represents the lateral direction
  • the axis Oz represents the transverse direction.
  • a longitudinal plane is parallel to the Oxz plane
  • a lateral plane is parallel to the Oyz plane
  • a transverse plane is parallel to an Oxy plane.
  • the heat exchanger 1 of the present invention extends generally inside a first plane P1 which is parallel to the transverse plane Oxy.
  • the heat exchanger 1 comprises a plurality of tubes 2 which are parallel to one another and to the lateral direction Oy.
  • the tubes 2 are interposed between two collectors 3 which are parallel to each other and extend along a first longitudinal axis of extension A1 which is parallel to the Ox axis.
  • one of the collectors 3 is equipped with an inlet 4 of a coolant 5, while the other of the collectors 3 is equipped with an outlet 6 of the coolant 5.
  • the same manifold 3 may be provided with the inlet 4 and the outlet 6 of the refrigerant fluid 5.
  • the heat exchanger 1 constitutes a circuit inside which the refrigerant 5 circulates, the circuit being intended to equip a motor vehicle to modify a temperature of an air contained inside a passenger compartment of the motor vehicle.
  • the heat exchanger 1 is either a condenser, a gas cooler, an evaporator, or even a radiator, and is capable of exchanging calories with an air flow 7.
  • the air flow 7 passes through the heat exchanger 1, in particular by circulating between the tubes 2 according to a direction parallel to the Oz axis.
  • spacers 8, partially shown are for example arranged between two adjacent tubes 2 .
  • the heat exchanger 1 is a heat exchanger having several passes 9 for circulation of the coolant 5 passing through the heat exchanger 1. It is understood in this that the coolant 5 makes several passages from one to the other of the collectors 3 from its admission inside the heat exchanger 1 via the inlet 4 until its evacuation from the heat exchanger heat 1 via the outlet 6. In other words, the heat exchanger 1 is arranged so that the refrigerant 5 makes several back-and-forth movements between each of the collectors 3.
  • each collector 3 houses at least one partition 10 which is planar and which extends along a partition plane P2 parallel to the plane Oyz.
  • the partition 10 divides an internal space 11 delimited by the collector 3 into two sections 11a, 11b located on either side of the partition 10.
  • the collector 3 which delimits the internal space 11 houses at least one partition 10 dividing the internal space 11 into two sections 11a, 11b.
  • the collector 3 has an internal face 12 which borders the internal space 11 and an external face 13 which is oriented towards the outside of the collector 3.
  • the manifold 3 comprises a cover 14 and a collector plate 15 which, assembled together, delimit the internal space 11.
  • the collector plate 15 is arranged to receive one end of each of the tubes 12 and allow circulation of the coolant 5 from the manifold 3 to tubes 2 and vice versa.
  • the cover 14 comprising a cover bottom 14a and two cover sides 14b on either side of the cover bottom 14a.
  • the cover 14 is generally arranged in a U, the cover bottom 14a forming the base of the U and the cover flanks 14b forming the branches of the U.
  • the collector plate 15 comprising a plate bottom 15a and two plate sides 15b on either side of the plate bottom.
  • the collector plate 15 is also generally arranged in a U, the plate bottom 15a forming the base of the U and the plate flanks 15b forming the branches of the U.
  • the cover flanks 14b are inserted between the plate flanks 15b in close contact to jointly delimit the internal space 11.
  • the plate flanks 15b are inserted between the cover flanks 14b in close contact to jointly delimit the internal space 11.
  • the internal face 12 of the manifold 3 comprises at least one housing 16 for receiving the partition 10.
  • the housing 16 is for example arranged in a slot made inside a plane parallel to the lateral plane Oyz.
  • the housing 16 is intended to receive a section 17 of the partition 10.
  • the section 17 of the partition 10 is the edge of the partition 10 which is of smaller dimension.
  • the internal face 12 of the manifold 3, indifferently constituting the cover 14 or the collector plate 15, comprises at least one cavity 18 and a projection 19.
  • the projection 19 is interposed between the cavity 18 and the housing 16 for receiving the partition 10 It is understood that the projection 19 borders the housing 16 to immobilize the partition 10 inside the housing provided to receive the partition 10.
  • the projection 19 is made from material from the internal face 12 of the collector 3. There is therefore a continuity of material between the internal face 12 of the collector 3 and the projection 19 which is notably obtained from a deformation of the surface. internal 12 of the manifold 3 during the formation of the cavity 18, this formation of the cavity 18 causing the formation of the projection 19.
  • the projection 19 is obtained simultaneously during the formation of the cavity from the deformation of the internal surface 12 of the collector 3, whether it is the internal surface 12 participating in the cover 14 as shown in the figures 3 and 5 or else from the internal surface 12 participating in the collector plate 15, as shown in the figures 4 and 6 .
  • the cavity 18 and the projection 19 are respectively punctual deformations of the internal face 12 of the manifold 3. It is understood in this that the cavity 18 and the projection 19 are extended over small areas of the internal face 12, and are for example obtained from a punching of the internal surface 12 in particular produced using a punch at the tapered end.
  • the cavity 18 and the projection 19 are lateral deformations of the internal face 12 of the manifold 3, and are for example obtained with a punch, one end of which extends inside a lateral plane of the collector 3.
  • the cavity 18 is formed along an axis of deformation A2 which is orthogonal to the direction of longitudinal extension A1 of the manifold a3.
  • a depth P of the cavity 18 taken between the internal face 12 of the collector 3 and a bottom of the cavity 20 is less than a thickness E of the collector 3 taken between the internal face 12 and the external face 13 of the collector 3. In this case, the cavity 18 does not open out through the external face 13 of the collector 3.
  • a depth P of the cavity 18 taken between the internal face 12 of the collector 3 and a cavity bottom 20 is equal to a thickness E of the collector 3 taken between the internal face 12 and the external face 13 of the collector 3.
  • the cavity 18 opens through the internal face 12 and the external face 13 of the collector 3.
  • the cavity 18 can be a cutout of the cover 14 or of the collector plate 15.
  • the cover 14 comprising at least one cover flank 14b terminated by a cover edge 14c, the cavity 18 is formed at least astride the cover edge 14c.
  • the collector plate 15 comprising at least one plate side 15b terminated by a plate edge 15c, the cavity 18 is formed at least astride the plate edge 15c.
  • a distance D taken between a proximal edge 21 of the housing 16 for receiving the partition 10 and the deformation axis A2 is equal to the thickness E of the manifold 3 to within +/- 10%.
  • the cavity 18 is produced near the housing 16 for receiving the partition 10, so that the projection 19 resulting from the formation of the cavity 18 borders, or even encroaches on, the housing 16, so as to immobilize the partition 10 inside the housing 16 in a position such that the partition 10 is arranged perpendicular to the longitudinal extension axis A1 of the manifold 3.
  • the cavities 18 and the projections 19 are four in number and are symmetrically distributed at the angles of a quadrilateral housing the partition 10. According to this configuration, the cavities 18 and the projections 19 are produced on the internal face 12 constituting the cover 14 .
  • the cavities 18 and the projections 19 are two in number and are symmetrically distributed with respect to a center of symmetry 22 of the partition 10. According to this configuration, the cavities 18 and the projections 19 are produced on the internal face 12 constituting the cover 14. A first couple of cavity and projection is thus formed on one side of the partition 10, and a second couple of cavity and projection is on the other side of the partition 10.
  • the cavities 18 and the projections 19 are four in number and are symmetrically distributed at the corners of a quadrilateral housing the partition 10. According to this configuration, the cavities 18 and the projections 19 are produced on the internal face 12 constituting the plate collector 15.
  • the cavities 18 and the projections 19 are two in number and are symmetrically distributed with respect to a center of symmetry 22 of the partition 10. According to this configuration, the cavities 18 and the projections 19 are produced on the internal face 12 constituting the collector plate 15.
  • the cavities 18 of the embodiments of the Figures 5 and 6 are obstructed by the presence of the collecting plate 15, when these are formed in the cover 14. The same applies to the case where the cavities 18 are formed in the collecting plate 15 and closed by the cover 14. In all in cases, the cavity is configured to fill and be closed by a layer of filler material present on the cover and or on the collector plate, once the heat exchanger goes into the oven.
  • the assembly process can be completed by a fourth step of securing the cover 14 and the separating plate 15, the partition 10 being interposed between the cover 14 and the collecting plate 15.

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)
EP18210197.2A 2018-12-04 2018-12-04 Konstitutiver sammelbehälter für einen wärmetauscher Active EP3663695B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18210197.2A EP3663695B1 (de) 2018-12-04 2018-12-04 Konstitutiver sammelbehälter für einen wärmetauscher
PCT/EP2019/083496 WO2020115043A1 (en) 2018-12-04 2019-12-03 Constituent header of a heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18210197.2A EP3663695B1 (de) 2018-12-04 2018-12-04 Konstitutiver sammelbehälter für einen wärmetauscher

Publications (2)

Publication Number Publication Date
EP3663695A1 true EP3663695A1 (de) 2020-06-10
EP3663695B1 EP3663695B1 (de) 2021-08-18

Family

ID=64606750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18210197.2A Active EP3663695B1 (de) 2018-12-04 2018-12-04 Konstitutiver sammelbehälter für einen wärmetauscher

Country Status (2)

Country Link
EP (1) EP3663695B1 (de)
WO (1) WO2020115043A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709644A2 (de) * 1994-10-26 1996-05-01 Valeo Engine Cooling Incorporated Wärmetauscher
EP0798530A1 (de) * 1996-03-29 1997-10-01 Sanden Corporation Wärmetauscher
EP1767889A2 (de) * 2005-09-21 2007-03-28 Calsonic Kansei Corporation Wärmetauscher
WO2015071069A1 (fr) * 2013-11-18 2015-05-21 Valeo Systemes Thermiques Collecteur pour echangeur de chaleur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709644A2 (de) * 1994-10-26 1996-05-01 Valeo Engine Cooling Incorporated Wärmetauscher
EP0798530A1 (de) * 1996-03-29 1997-10-01 Sanden Corporation Wärmetauscher
EP1767889A2 (de) * 2005-09-21 2007-03-28 Calsonic Kansei Corporation Wärmetauscher
WO2015071069A1 (fr) * 2013-11-18 2015-05-21 Valeo Systemes Thermiques Collecteur pour echangeur de chaleur

Also Published As

Publication number Publication date
WO2020115043A1 (en) 2020-06-11
EP3663695B1 (de) 2021-08-18

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