EP1835253B1 - Échangeur de chaleur, en particulier condenseur pour systèmes de climatisation des automobiles - Google Patents

Échangeur de chaleur, en particulier condenseur pour systèmes de climatisation des automobiles Download PDF

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Publication number
EP1835253B1
EP1835253B1 EP06290432A EP06290432A EP1835253B1 EP 1835253 B1 EP1835253 B1 EP 1835253B1 EP 06290432 A EP06290432 A EP 06290432A EP 06290432 A EP06290432 A EP 06290432A EP 1835253 B1 EP1835253 B1 EP 1835253B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
pipes
collector pipe
passages
exchanger according
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.)
Not-in-force
Application number
EP06290432A
Other languages
German (de)
English (en)
Other versions
EP1835253A1 (fr
Inventor
Fabrice Kaczmarek
Christophe Silberreiss
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.)
Mahle Behr France Hambach SAS
Original Assignee
Behr France Hambach SARL
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 Behr France Hambach SARL filed Critical Behr France Hambach SARL
Priority to EP06290432A priority Critical patent/EP1835253B1/fr
Priority to AT06290432T priority patent/ATE510179T1/de
Publication of EP1835253A1 publication Critical patent/EP1835253A1/fr
Application granted granted Critical
Publication of EP1835253B1 publication Critical patent/EP1835253B1/fr
Not-in-force 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
    • F28F9/0243—Header boxes having a circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • 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 heat exchanger, in particular a condenser for air conditioning systems according to the preamble of claim 1.
  • Such a heat exchanger is eg in WO 02/081998 described.
  • the applicant has known a usable as a condenser for an automotive air conditioning heat exchanger, which consists of a brazed pipe / fin block and manifolds which communicate with the tubes, preferably via a refrigerant of an air conditioner.
  • the refrigerant is supplied to the condenser via a connection flange, which can be soldered to the manifold.
  • the collecting tube which is essentially formed in two parts and consists of a bottom part and a cover part, has a socket formed from the cover part, which engages in a corresponding opening in the connecting flange and thus fixes it in relation to the collecting tube for the soldering process.
  • connection flange After the soldering process, the connection flange is soldered tight to the cover part.
  • a disadvantage of the known capacitor is that the connecting piece for fixing the connecting flange with respect to its angular position is hardly changed, which is due to the two-part design of the manifold.
  • a similar capacitor for an automotive air conditioning system with an integrally formed manifold was known at which laterally, that is approximately at right angles to the tubes or to the end face of the tube / rib block a connecting flange is fixed by means of a solder joint.
  • the collecting tube designed as a cylindrical tube has, on the one hand, openings for receiving flat tube ends and, on the other hand, two round punched-out openings, which serve for the inflow and outflow of the refrigerant.
  • the connection flange has two protruding connecting pieces, which engage in the lateral openings in the collecting tube and are soldered tight with them.
  • a disadvantage of the known flange is that the nozzles have to be machined, that is to say manufactured to a high production cost.
  • EP 1 150 088 A2 was a manifold with a flange for a heat exchanger or condenser known, wherein the manifold is formed as a one-piece, circular cylindrical tube.
  • the connecting flange which is produced by machining, has a connecting piece, which engages in a corresponding opening in the collecting tube and is widened relative thereto. Thereafter, a Dichtlötung. Another disadvantage is the costly production of the connection flange.
  • the collecting tube to which a connecting flange is fastened, is formed integrally.
  • the collecting tube has a nozzle formed from the pipe wall, which serves for fixing the connecting flange for the soldering process.
  • the molded nozzle - in the form of a draft - in an angular range between 0 and plus / minus 90 degrees, relative to the longitudinal direction of the tubes or the end face of the heat exchanger can be arranged.
  • the connection flange can therefore be made simpler, and requires, for example, no 90 degree deflection of the flow channel, which means an increased pressure loss. Furthermore reduce by the one-piece design of the manifold, the manufacturing cost.
  • the nozzle is arranged on the manifold between each adjacent passages, preferably in the middle, so that the passages, in particular their narrow sides do not affect the nozzle.
  • the circular-cylindrical neck has an outer diameter which is about 50% or less of the outer diameter of the manifold
  • the nozzle advantageously has a height, d. H. an extent in the radial direction beyond the inner diameter addition, wherein this height is about 20 to 35% of the outer diameter of the nozzle.
  • Fig. 1 shows a manifold 1 of a heat exchanger, not fully shown, which can be used as a condenser of a motor vehicle air conditioning.
  • the manifold 1 is formed as a one-piece, substantially circular cylindrical tube and has on one side, spaced apart longitudinally juxtaposed passages 2, which record flat tubes, not shown.
  • the manifold 1 further comprises a circular neck 3, which is formed from the tube wall of the manifold 1.
  • Fig. 2 shows the manifold 1 in a view from below, ie with a view of the passages 2, which are elongated or slot-shaped, corresponding to the circumference of the flat tubes, not shown, are formed.
  • the nozzle 3 is arranged centrally between two adjacent passages 2.
  • Fig. 3 shows an enlarged section in the plane III-III according to Fig. 1 , ie, through the central axis m of the nozzle 3.
  • the sectional view shows the one-piece design of the manifold 1, which has a substantially circular cross section, from which the nozzle 3 is formed in the manner of a passage.
  • the preparation of the nozzle 3 is carried out by punching punching, ie it is first a hole punched into the pipe wall and then the collar or passage 3 is formed.
  • the passages 2, of which one in Fig. 3 the protruding into the cross section of the tube 1 inner edge 2a recognizes, are also prepared by a known manufacturing method, namely by slitting with a stamp.
  • the passages take on 2 flat tubes, not shown, whose longitudinal axis 1 is shown in phantom.
  • the longitudinal axis 1 thus also marks a frontal plane of the heat exchanger.
  • the central axis m of the nozzle 3 has an angle ⁇ of 90 ° relative to the tube longitudinal axis I - this corresponds approximately to an extreme position, since otherwise the neck of the nozzle 3 and the passage 2 would overlap.
  • the neck 3 can take all layers within the right angle ⁇ with its central axis m, of course, to the opposite side. This results in any connection options for the connection flange, not shown, which is connected to the nozzle 3.
  • the connection flange can therefore be provided with straight through channels, resulting in a lower pressure drop for the flow medium, for. B.
  • the nozzle 3 has an outer diameter ⁇ and the collector tube has an outer diameter D.
  • d 0.5 D or less.
  • the nozzle 3 also has a height h above the inner diameter of the manifold 1, wherein for an advantageous design of the nozzle applies: h ⁇ 0.2 to 0.3 D.
  • All parts of the heat exchanger with manifold 1 are made of aluminum or aluminum alloys and are brazed.

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)
  • Air-Conditioning For Vehicles (AREA)

Claims (8)

  1. Echangeur de chaleur, en particulier condenseur pour des systèmes de climatisation, en particulier de véhicules automobiles, comprenant des tubes et au moins un tube collecteur (1) communiquant avec les tubes, où le tube collecteur (1) présente des passages (2) servant au logement des tubes, où le tube collecteur (1) présente une tubulure formée pour un assemblage avec une bride de raccordement, où le tube collecteur (1) est configuré en formant une pièce d'un seul tenant,
    caractérisé en ce que la fabrication de la tubulure est réalisée par matriçage et poinçonnage, la fabrication des passages (2) par des fentes obtenues à l'aide d'un poinçon.
  2. Echangeur de chaleur selon la revendication 1, caractérisé en ce que le tube collecteur est configuré comme un tube cylindrique (1).
  3. Echangeur de chaleur selon la revendication 1, caractérisé en ce que les tubes sont configurés comme des tubes plats comportant des extrémités tubulaires qui sont logées dans les passages (2).
  4. Echangeur de chaleur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les tubes présentent un axe longitudinal tubulaire 1, la tubulure (3) présentant un axe médian m qui forme, avec l'axe longitudinal tubulaire 1, un angle α variant dans la plage comprise entre 0° et ± 90°.
  5. Echangeur de chaleur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la tubulure (3), vue dans le sens longitudinal du tube collecteur (1), est disposée entre des passages adjacents (2), mais en étant décalée par rapport aux passages, dans le sens circonférentiel.
  6. Echangeur de chaleur selon la revendication 4 ou 5, caractérisé en ce que l'axe médian m de la tubulure (3) est disposé au milieu entre des passages adjacents (2).
  7. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que la tubulure (3) est configurée en forme de cylindre circulaire et présente un diamètre extérieur d qui est à peu près égal ou inférieur au diamètre extérieur D du tube collecteur (1).
  8. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que la tubulure (3) présente une hauteur h, laquelle tubulure présente, par rapport à son diamètre extérieur d, une plage dimensionnelle suivante : 0,2 d ≤ h ≤ 0,35 d.
EP06290432A 2006-03-15 2006-03-15 Échangeur de chaleur, en particulier condenseur pour systèmes de climatisation des automobiles Not-in-force EP1835253B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06290432A EP1835253B1 (fr) 2006-03-15 2006-03-15 Échangeur de chaleur, en particulier condenseur pour systèmes de climatisation des automobiles
AT06290432T ATE510179T1 (de) 2006-03-15 2006-03-15 Wärmeübertrager, insbesondere kondensator für klimaanlagen, insbosondere von kraftfahrzeugen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06290432A EP1835253B1 (fr) 2006-03-15 2006-03-15 Échangeur de chaleur, en particulier condenseur pour systèmes de climatisation des automobiles

Publications (2)

Publication Number Publication Date
EP1835253A1 EP1835253A1 (fr) 2007-09-19
EP1835253B1 true EP1835253B1 (fr) 2011-05-18

Family

ID=36829876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06290432A Not-in-force EP1835253B1 (fr) 2006-03-15 2006-03-15 Échangeur de chaleur, en particulier condenseur pour systèmes de climatisation des automobiles

Country Status (2)

Country Link
EP (1) EP1835253B1 (fr)
AT (1) ATE510179T1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3007515B1 (fr) * 2013-06-20 2017-12-15 Valeo Systemes Thermiques Echangeur de chaleur, notamment pour les boucles ou circuits de climatisation des vehicules
DE102013224036A1 (de) 2013-11-25 2015-05-28 MAHLE Behr GmbH & Co. KG Wärmeübertrager

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689972A (en) * 1970-11-19 1972-09-12 Modine Mfg Co Method of fabricating a heat exchanger
DE4442040A1 (de) * 1994-11-25 1996-05-30 Behr Gmbh & Co Wärmetauscher mit einem Sammelrohr
WO2002081998A1 (fr) * 2001-04-04 2002-10-17 Norsk Hydro Asa Collecteur d'echangeur thermique
EP1321734A1 (fr) * 2001-10-02 2003-06-25 Behr GmbH & Co. KG Echangeur de chaleur à tubes plats et procédé de fabrication
DE10221457A1 (de) * 2002-05-15 2003-11-27 Behr Gmbh & Co Wärmeübertrager und Verfahren zu seiner Herstellung

Also Published As

Publication number Publication date
EP1835253A1 (fr) 2007-09-19
ATE510179T1 (de) 2011-06-15

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