EP2648862A1 - Anordnung aus zwei aufeinander gecrimpten teilen - Google Patents

Anordnung aus zwei aufeinander gecrimpten teilen

Info

Publication number
EP2648862A1
EP2648862A1 EP11793418.2A EP11793418A EP2648862A1 EP 2648862 A1 EP2648862 A1 EP 2648862A1 EP 11793418 A EP11793418 A EP 11793418A EP 2648862 A1 EP2648862 A1 EP 2648862A1
Authority
EP
European Patent Office
Prior art keywords
piece
collector
assembly
peripheral edge
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
EP11793418.2A
Other languages
English (en)
French (fr)
Other versions
EP2648862B1 (de
Inventor
Laurent Moreau
François Beideler
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 PL11793418T priority Critical patent/PL2648862T3/pl
Publication of EP2648862A1 publication Critical patent/EP2648862A1/de
Application granted granted Critical
Publication of EP2648862B1 publication Critical patent/EP2648862B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
    • 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
    • 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
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • 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

Definitions

  • the invention relates to a set of two parts crimped on one another, a manifold comprising said assembly and a heat exchanger comprising said collector.
  • the heat exchangers concerned are intended to equip vehicles and correspond, in a preferred application, condensers provided on the loops or air conditioning circuits of the vehicles.
  • condensers provided on the loops or air conditioning circuits of the vehicles.
  • other applications of these heat exchangers are also conceivable without departing from the scope of the invention.
  • Condensers comprising a bundle of parallel tubes and two collectors are known in which the corresponding ends of the tubes are connected in a fixed and sealed manner.
  • the fluid of the air conditioning loop can flow from one manifold to the other, through the tubes in which the fluid passes from the vapor phase to the liquid phase by heat exchange with a flow of air, sweeping the tubes.
  • These exchangers are assembled by soldering.
  • the collectors comprise a collector plate with a wall open longitudinally and a cover closing the collector plate after brazing. To pre-assemble the lid and the collector plate before soldering, it is known to crimp them. For this, the collector plate has raised edges, a peripheral portion is crimped around the cover to close the collector.
  • said first piece has a hinge area facilitating the folding of said peripheral edge portion.
  • the force required to apply to said peripheral edge portion during crimping of said first piece on said second piece will be less important and reduce the risk of deformation of the collector. In addition, it can be implemented without counterpart parts.
  • said peripheral edge portion has a thinned portion relative to another portion of the first piece, intended to provide resistance to the pressure of a fluid.
  • said hinge zone is defined.
  • the thinned portion may extend from said hinge zone to the distal edge of said first piece.
  • Said first piece having a dimension of longitudinal extension the thinned portion is, for example, continuous along said longitudinal extension.
  • a folding primer can be provided at said hinge zone, for example located at a base of said thinned portion.
  • said thinned portion has a thickness between 25% and 75% of the thickness of the other part.
  • the invention also relates to a collector of a heat exchanger comprising a collector plate and a cover, said collector plate constituting said first part and said cover constituting said second part of the assembly as defined above.
  • said manifold comprises a U-shaped lid with a base and longitudinal wings connected to the base by a curved area. The hinge zone is vis-à-vis the wings, near the curved area.
  • the invention also relates to a heat exchanger, including a condenser of a motor vehicle air conditioning system, provided with a collector as defined above.
  • Figure 1 is a schematic plan view of an embodiment of a heat exchanger whose collectors comprise a header plate and a cover according to the invention.
  • Figure 2 is a cross section of the collector after crimping the collector plate around the cover.
  • Figure 3 is a cross section of the header plate prior to the crimping operation.
  • Figure 4 is a view similar to Figure 3, illustrating an alternative embodiment.
  • the invention can be applied in a heat exchanger as shown in FIG.
  • This exchanger is, for example, a condenser of an air conditioning loop of the passenger compartment of a vehicle.
  • the exchanger 1 may comprise a bundle of parallel tubes 2 whose ends 2A are connected, in a fixed and sealed manner, to collectors or manifolds respectively upstream 3 and downstream 4 according to the direction of flow of the fluid, in particular Freon, circulating in the considered loop.
  • collectors or manifolds respectively upstream 3 and downstream 4 according to the direction of flow of the fluid, in particular Freon, circulating in the considered loop.
  • collectors or manifolds respectively upstream 3 and downstream 4 according to the direction of flow of the fluid, in particular Freon, circulating in the considered loop.
  • To these collectors are respectively reported inlet fluid connection flanges 5 and outlet 6.
  • the tubes 2 in which the fluid flows have an oblong cross section and between these are arranged spacers 7 increasing the surface area of the fluid. heat exchange between the fluid flowing in the exchanger 1 and the outside air flow therethrough.
  • the inside of the tubes 2 may also include disrupters which, like the spacers, increase the heat exchange surface and the mechanical strength of the tubes. It may
  • Each tube defines, for example, a plurality of internal, parallel, fluid flow channels.
  • the upstream and downstream 3 and 4 collectors are generally identical and have a generally tubular shape. They are of "bipartite" type, that is to say that each of them consists of a collector plate 8 and a cover 9.
  • the overall example of two pieces crimped to one another, according to the invention and shown in Figure 2 is a heat exchanger collector as evoked above.
  • the first part shown is a header plate 8 and the second, a cover 9 of said manifolds.
  • the collecting plate 8 has, for example, a substantially U-shaped cross-section and its wall thus defines a bottom 1 1 extended by two parallel branches or side wings 14, the distal end of the peripheral edges delimiting a longitudinal opening 15 closed by the lid on the figure.
  • oblong slots 18 In the bottom 1 1 of the header plate 8 are formed oblong slots 18 all along thereof, in which are received the corresponding ends of the parallel tubes 2. They may be flanked by collars 30.
  • the cover 9 has, for example, also a U-shaped cross section whose wall 20 forms a slightly concave bottom 21 extended by parallel branches or side wings 22, shorter than those of the collecting plate 8.
  • the dimension, in particular in width of the lid, is such that the lateral branches 22 fit head to tail between the lateral branches 14 of the header plate 8.
  • the assembly of the cover 9 and the manifold plate 8 defines an internal space 24 in which is circulated the fluid of the loop. Due to the nested shape of the U of the plate 8 and the cover 9, the cross section of the collector 3 or 4 is approximately rectangular, but could be different. Partitions, not shown, are optionally provided at each of the longitudinal ends of the collector to close the collector. Intermediate partitions, which can make two parts of the collector hermetic to one another can also be provided. These partitions comprise, for example, a stop for positioning the cover 9.
  • the inlet flanges 5 and outlet 6 are provided on the upstream and downstream collectors respectively.
  • the function of the inlet and outlet flanges 6 is to ensure the fluidic connections via unrepresented ducts between, in the example, a compressor of the loop in question, facing the upstream collector 3 and the interior space. tubular upstream collector 3, and between the inner space 24 of the tubular downstream collector 4 and an expander turned towards it, via fluid passages in the flanges.
  • Such a bottle for example connected to the downstream collector, is intended to ensure the filtration and dehydration of the refrigerant, to compensate for the variations in the volume of the refrigerant and / or to ensure the separation of the fluid portion that could still be in the gas phase at the condenser outlet of the liquid phase fluid portion.
  • the crimping operation may allow to pre-assemble not only the manifold plate 8 and the cover 9, but also the inlet flanges 5 and the fluid outlet flanges 6, the flanges 35 intended for the attachment of the exchanger 1 to appropriate supports of the vehicle and / or attachment of the fluid storage bottle.
  • These elements are crimped, for example, between the cover 9 and the peripheral edge portion 12 of the collector plate 8. In this way, a pre-assembly of all these elements is obtained in a single operation.
  • FIG. 2 more generally illustrates a set of two pieces crimped on one another by folding at least one peripheral edge portion 12 of a said first piece, here the collecting plate 8, on the other said second part, here the cover 9.
  • the peripheral edge portion 12, intended to be crimped is located at a free end of the lateral flanges 14 of the header plate 8.
  • the crimping of the peripheral edge portion 12 of said first piece 8 on the second piece 9 is facilitated by the presence of a hinge zone 16 on said first piece 8.
  • the force required will be less important to crimp said peripheral edge portion 12 of said first part 8 of said second part 9. This will not only reduce the risk of deformation of the collector but also to avoid the use of part making against form.
  • the narrowness between the lid and the bottle involves the use of crimping blades of small section thus brittle.
  • crimping is facilitated by the thinning of all or part of said peripheral edge portion 12 of the first piece 8 relative to another portion 14 of the first piece, intended to provide resistance to the pressure of a fluid, here the rest of the lateral wings 14 and the bottom 1 1 of the collector plate 8.
  • the wall thinning is obtained by any appropriate mechanical operation (rolling, drawing, stamping, etc.).
  • the peripheral edge portion 12, intended for crimping has a thinned portion 13, that is to say, a part whose thickness of material is smaller than the thickness of material at a part of the first part, intended to resist the pressure of the fluid.
  • the thinned portion 13 has a thickness less than that of the rest of the lateral wings 14 and / or the bottom 1 1 of the header plate 8.
  • FIG. 3 shows a sectional view of the first piece 8 before crimping the peripheral edge portion 12 around the second piece 9.
  • the thinned portion 13 extends from the hinge zone to the distal edge of the first piece. In other words, it covers the entire portion 12 for crimping.
  • the thinned portion 13 may, in the case where, as in the example illustrated, the first piece has a dimension of longitudinal extension, be continuous along said longitudinal extension dimension.
  • FIG. 4 illustrates an example which further facilitates crimping folding of the peripheral edge portion 12 of the first piece 8 on the second piece 9 by adding at the crimping zone 16, a folding primer 17.
  • This folding primer 17 is for example the inner side of said first piece 8.
  • the thinned portion 13 of said peripheral edge portion 12 has a thickness of, for example, between 25% and 75% of the thickness of the other part.
  • the thinned portion 13 of the peripheral edge portion 12 has a thickness of between 40% and 60% of the thickness of the other portion, in particular about 50%.
  • set of two pieces crimped one on the other is a collector whose lid 9 is U-shaped with a base 21 and longitudinal wings 22 connected to the base by a curved zone 23, the hinge zone 16, here the base of the thinned zone 13 may be situated opposite the longitudinal wings 22, close to the curved zone 23.
  • the hinge zone 16 is closer to the curved zone of the cover 9 than to the edge opposite of said wings 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP11793418.2A 2010-12-07 2011-12-06 Anordnung aus zwei aufeinander gecrimpten teilen Active EP2648862B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11793418T PL2648862T3 (pl) 2010-12-07 2011-12-06 Zespół dwóch części zaciskanych jedna na drugiej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1060163A FR2968224B1 (fr) 2010-12-07 2010-12-07 Ensemble de deux pieces serties l'une sur l'autre
PCT/EP2011/071847 WO2012076495A1 (fr) 2010-12-07 2011-12-06 Ensemble de deux pièces serties l'une sur l'autre

Publications (2)

Publication Number Publication Date
EP2648862A1 true EP2648862A1 (de) 2013-10-16
EP2648862B1 EP2648862B1 (de) 2017-01-11

Family

ID=45217550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11793418.2A Active EP2648862B1 (de) 2010-12-07 2011-12-06 Anordnung aus zwei aufeinander gecrimpten teilen

Country Status (7)

Country Link
US (1) US9546828B2 (de)
EP (1) EP2648862B1 (de)
JP (1) JP5980800B2 (de)
CN (1) CN103442821B (de)
FR (1) FR2968224B1 (de)
PL (1) PL2648862T3 (de)
WO (1) WO2012076495A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11365937B2 (en) 2018-11-23 2022-06-21 Mahle International Gmbh Collector tube for a heat exchanger
US11662160B2 (en) 2018-11-23 2023-05-30 Mahle International Gmbh Collector tube for a heat exchanger

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FR3030030B1 (fr) * 2014-12-15 2019-03-22 Valeo Systemes Thermiques Collecteur pour echangeur de chaleur, notamment pour un vehicule automobile, ensemble et echangeur de chaleur comprenant un tel collecteur et procede associe
DE102016001686A1 (de) * 2015-02-16 2016-08-18 Hanon Systems Sammlerbehälter für einen wärmetauscher und diesen aufweisender wärmetauscher
KR102475643B1 (ko) * 2015-02-16 2022-12-09 한온시스템 주식회사 열교환기의 헤더탱크 및 이를 포함하는 열교환기
JP6409981B2 (ja) * 2015-09-22 2018-10-24 株式会社デンソー 熱交換器、熱交換器の製造方法
FR3044067B1 (fr) * 2015-11-20 2018-04-27 Valeo Systemes De Controle Moteur Vanne de circulation d'un fluide comprenant un corps de vanne
JP6551293B2 (ja) * 2016-04-20 2019-07-31 株式会社デンソー 熱交換器
JP6421781B2 (ja) * 2016-04-21 2018-11-14 株式会社デンソー 熱交換器
FR3060727B1 (fr) * 2016-12-19 2019-10-18 Valeo Systemes Thermiques Echangeur de chaleur a plaque collectrice amelioree.
EP3396296B1 (de) * 2017-04-28 2020-09-09 VALEO AUTOSYSTEMY Sp. Z. o.o. Wärmetauscheranordnung
DE102018220142A1 (de) 2018-11-23 2020-05-28 Mahle International Gmbh Sammelrohr für einen Wärmeübertrager
CN112013701B (zh) * 2019-05-31 2022-03-01 杭州三花研究院有限公司 集流件、集流件的制造方法及换热器

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11365937B2 (en) 2018-11-23 2022-06-21 Mahle International Gmbh Collector tube for a heat exchanger
US11662160B2 (en) 2018-11-23 2023-05-30 Mahle International Gmbh Collector tube for a heat exchanger

Also Published As

Publication number Publication date
FR2968224A1 (fr) 2012-06-08
WO2012076495A1 (fr) 2012-06-14
CN103442821A (zh) 2013-12-11
PL2648862T3 (pl) 2017-08-31
EP2648862B1 (de) 2017-01-11
JP2014504213A (ja) 2014-02-20
US20130333867A1 (en) 2013-12-19
US9546828B2 (en) 2017-01-17
JP5980800B2 (ja) 2016-08-31
FR2968224B1 (fr) 2013-08-23
CN103442821B (zh) 2016-10-12

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