EP1757888B1 - Agencement de deux échangeurs de chaleur - Google Patents

Agencement de deux échangeurs de chaleur Download PDF

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Publication number
EP1757888B1
EP1757888B1 EP20060015543 EP06015543A EP1757888B1 EP 1757888 B1 EP1757888 B1 EP 1757888B1 EP 20060015543 EP20060015543 EP 20060015543 EP 06015543 A EP06015543 A EP 06015543A EP 1757888 B1 EP1757888 B1 EP 1757888B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
header
designed
soldered
holder
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
EP20060015543
Other languages
German (de)
English (en)
Other versions
EP1757888A3 (fr
EP1757888A2 (fr
Inventor
Manuel Alcaine
Jordi Garcia Vila
Dieter Schweidler
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 GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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 GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1757888A2 publication Critical patent/EP1757888A2/fr
Publication of EP1757888A3 publication Critical patent/EP1757888A3/fr
Application granted granted Critical
Publication of EP1757888B1 publication Critical patent/EP1757888B1/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
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/067—Details
    • 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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435—Combination of units extending one behind the other
    • 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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/08—Fastening; Joining by clamping or clipping
    • F28F2275/085—Fastening; Joining by clamping or clipping with snap connection

Definitions

  • the invention relates to an arrangement of two heat exchangers according to the subject matter of the earlier patent application of the Applicant DE 103 48 701 A1 ,
  • the DE-A 198 57 512 was a cooling module, consisting of a coolant radiator, a refrigerant condenser and a fan cowl known, which are connected together to form a structural unit.
  • the coolant radiator arranged in the middle of the carrier of the other two components, which are held by molded on the coolant box of the radiator guide rails.
  • the capacitor has additional fastening means in the form of metal profiles, which are held on the one hand in the slide rails and on the other hand fixed to headers of the capacitor by soldering.
  • the soldered holder can be clipped on the other heat exchanger; thus the advantage of a quick installation is achieved.
  • one of the soldered holder is designed as a block connection.
  • the block connection receives a second function, namely as a holder and thus eliminates an additional holder to be soldered.
  • the soldered holder are designed as a fixed bearing, while the attachment points are formed on the opposite side as a floating bearing.
  • the injection-molded holding means are formed as half-shells with a U-profile, wherein the U-profile has an open side facing in the direction of the heat exchanger block.
  • the headers are frontally extended, so that the extended pipe ends can be inserted from the outside into the U-profiles.
  • the two half shells form a pivot bearing for the manifold so that the heat exchanger can be folded in after insertion and locked by clipping on the other side.
  • the U-profiles are closed by side walls, which bear against the end faces of the headers.
  • an elastic tongue is provided on one of the two side walls, which is supported on an end face of the collecting tube.
  • elastic ribs are arranged between the half shells, which are supported on the manifold.
  • the injection molded onto the manifolds holding means are formed as side cheeks, ie as substantially planar holding surfaces which comprise the end faces of a manifold and thus cause a fixation of the manifold in the direction of its longitudinal axis.
  • retaining tabs are molded onto the collecting box, which protrude from the collecting box, pass through the heat exchanger block and comprise the collecting tube on the opposite side.
  • an elastic tongue for tolerance and expansion compensation is provided on one of the two side cheeks.
  • one of the two heat exchangers is designed as a coolant radiator with coolant tanks made of plastic, while the other is designed as a brazed refrigerant condenser in Ganzaluminiumbauweise.
  • the fasteners in the form of U-profiles can be sprayed on the coolant boxes due to their simple form with low tooling costs.
  • the capacitor can be easily inserted with its substantially round headers in the U-profiles and pivoted about the longitudinal axis due to the round shape of the manifolds.
  • d. H. Holders soldered to the second header can be clipped onto the other coolant box with molded locking means.
  • the capacitor is thus folded into the U-profiles after insertion and clipped. This is a simple and quick installation.
  • a further advantage is that a capacitor in each case via a block connection, d. H. a soldered flange for refrigerant supply and discharge has. This flange can be used as a holding means or as an anchoring part for a fixed bearing, which is clipped with the coolant box. In this respect, so only one additional holder needs to be soldered, which keeps the extra effort for fasteners low.
  • At least one of the two heat exchangers can be used as a charge air cooler or as an oil cooler.
  • Fig. 1 shows an inventive arrangement of a front mounted in the drawing capacitor and a coolant radiator 2 arranged behind, which are mounted as a unit in a front engine compartment of a motor vehicle, not shown, similar to that in the aforementioned earlier patent application, which hereby incorporated into the disclosure of the is included in the present application is described.
  • the coolant radiator 2 is connected in a manner not shown to a coolant circuit of an internal combustion engine of the motor vehicle, while the capacitor 1 is connected via a so-called block connection 3 in a manner not shown to a refrigerant circuit of an air conditioning system of the motor vehicle.
  • the condenser 1 is designed as a brazed all-aluminum heat exchanger with a network 4 and lateral headers 5, 6, wherein at the right manifold 5 - in addition to the block terminal 3 - a capacitor holder 7 is soldered.
  • the radiator 2 has two collection or coolant boxes 8, 9 made of plastic, between which there is the network of the radiator, which is covered by the condensate network 4 and therefore not visible.
  • the cooler 2 is designed as a cross-flow cooler and has at its coolant boxes 8, 9, two lower mounting pins 8a, 9a and two upper mounting arms 8b, 9b, via which the radiator 2 is fixed in the vehicle, not shown.
  • the condenser 1 is connected via the block connection 3 and the soldered holder 7 to the coolant box 9 in each case by a clip connection 12, 13.
  • the capacitor 1 is thus attached to the radiator 2 at four points, wherein the two arranged on the right side of the capacitor 1 clip connections 12, 13 are designed as a fixed bearing and arranged on the left side U-profiles 10, 11 as a floating bearing. Different elongations of the capacitor network 4 and the (non-visible) radiator network can thus be compensated, so that it can not lead to thermally induced stresses in the heat exchangers 1, 2.
  • Fig. 2 shows a corner cutout Fig. 1 with the upper holder 11, which receives the upper end of the manifold 6 of the capacitor 1 in it.
  • the U-profile of the holder 11 is closed at the top by a side wall 11a, on which an elastic tongue 11b is formed, which is visible in the holder 11 through a cutout 11c.
  • the elastic tongue 11b bears resiliently against the end face of the collecting tube 6.
  • Fig. 3 shows a corner cutout Fig. 1 with the lower holder 10, which receives the lower end of the manifold 6.
  • Fig. 4 shows the lower holder 10, molded on the coolant box 8 with a U-profile 10a, which is closed at the bottom by a side wall 10b. On this side wall 10b rests - what in Fig. 4 not shown - the end face of the manifold 6.
  • the U-profile 10a is in the direction of heat exchanger block (not shown here) open.
  • Fig. 5 shows the upper holder 11, molded on the coolant box 8, with resilient tongue 11 b, which protrudes from the upper side wall 11a and forms a Federelemerit, which presses on the end face of the collecting tube 6, not shown here.
  • Fig. 6 shows the coolant box 8 as a single part with the two molded holders 10, 11 at the bottom and top of the coolant box 8. It can be clearly seen in this illustration that both U-profiles of the half-shell-shaped holder 10, 11 are open to (not shown) heat exchanger block out
  • the upper holder 11 has a U-profile 11d with an open side 11e.
  • two flexible ribs 14, 15 are molded on the side wall of the coolant box 8, which resiliently bear against the longitudinal side of the collection tube 6, not shown here, received by the holders 10, 11. This fixation of the manifold 6 is achieved transversely to its longitudinal direction (direction of travel of the motor vehicle).
  • Fig. 6a shows a detail X from Fig. 6 that is, the flexible rib 14 in an enlarged view, wherein the rib consists of a molded elastic tongue 14 a and a free movable end 14 b, which is resiliently applied to the collecting tube.
  • Fig. 7 shows another corner section Fig. 1 , Namely, the soldered to the manifold 5 of the capacitor 1 block connection 3, also referred to as a refrigerant flange.
  • the latter has the primary task, not shown refrigerant pipes for the inlet and outlet of the refrigerant to connect to the interior of the manifold 5.
  • the block connection 3 has the function of a capacitor holder, ie it serves to attach the capacitor 1 to the adjacent coolant box 9.
  • Block connection 3 and coolant box 9 are connected to one another by the clip connection 12, ie a latching element 12a molded onto the coolant box 9 engages behind an edge 3a of FIG Block connection 3.
  • This locking connection 12 - and also not shown here further clip connection 13 (see. Fig. 1 ) - So can be prepared by Belklappen the capacitor 1 and the manifold 5.
  • the block connection 3 has an opening 25 in order to make a bolt 26 accessible to the coolant box 9.
  • a screw (not shown), in particular a plastic screw, for fastening the capacitor into the hole 27, which is preferably designed as a blind hole, can be rotated for simplified repair.
  • the bolt 26 is integrally formed on the coolant box 9.
  • Fig. 8 shows a connection between the condenser 1 and radiator 2 with a modified manifold 16 of the capacitor 1 and a modified holder 17 on the coolant box 8.
  • the holder 17 is similar to the holder 11 is formed, ie it also has a U-profile, but with a open side 17a, which faces not to the capacitor block 4, but in the opposite direction.
  • the holder 17 is rotated relative to the holder 11 by 180 degrees - analogously, the assembly of the capacitor 1 in the opposite direction, ie from outside to inside.
  • the manifold is extended on both sides beyond the block 4, wherein in Fig. 8 the upper elongated tube end 16 a is shown, which is inserted into the holder 17.
  • the latter is closed at the top by a side wall 17b, which likewise has an elastic tongue not shown in detail - analogous to the one in FIG Fig. 5 illustrated embodiment.
  • Fig. 9 shows the collection tube 16 with a lower elongated tube end 16 b, which is inserted into a half-shell-shaped holder 18.
  • the latter in turn has a U-profile, with an open side 18a, which is directed outwards, and a side wall 18b, on which rests the end face of the header end 16b.
  • a rotation of the manifold 16 about its longitudinal axis after insertion is possible, so that the capacitor 1 can be clipped by whipping.
  • Fig. 10 shows a not inventive mounting arrangement between the condenser 1 and radiator 2, with a modified upper Holder 19, which is molded on the coolant box 8.
  • the holder 19 essentially has a side wall 19a on which an elastic tongue 19b is formed inwardly.
  • the capacitor network, 4 cross-holding tabs 20 are formed, which create resiliently against the front side of the manifold 6.
  • the network 4 is known from flat tubes and corrugated fins, which are not shown in detail. In the area of the pipe ends outside the headers are rib-free zones, ie gaps between the pipes through which the retaining tabs can be inserted.
  • Fig. 11 shows in addition to Fig. 10 a lower holder 21 which is also injection-molded onto the coolant box 8 and substantially comprises a planar side wall 21 a, which forms a contact surface for the lower end face of the collecting tube 6. Also in the lower part of the condensate network 4 retaining tabs 22 are arranged, which are molded onto the coolant box 8. Regarding 10 and 11 It can be seen that the manifold 6 is fixed in its longitudinal direction by the two holders 19, 21 and their side cheeks 19a, 19b, 21a, while the manifold 6 transversely to its longitudinal direction, ie in the direction of travel of the motor vehicle by the retaining tabs 20, 22nd is secured opposite the coolant box 8.
  • connection of the capacitor 1 on its right, not shown here side, carried by the above-described clip connection means soldered capacitor holders. Due to the design of the holder 19, 20 in conjunction with the retaining tabs 20, 22 is also a pivoting of the capacitor 1 and thus a wobble possible.
  • the block dimensions of the first and second heat exchangers are substantially the same. In other embodiments, the blocks of the two heat exchangers have different dimensions or are offset in the air flow direction to each other, that is, they do not align with each other.
  • the mounting direction of the second heat exchanger can be adapted to predetermined space conditions.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Claims (7)

  1. Agencement de deux échangeurs de chaleur (1, 2), où le premier échangeur de chaleur (1) est disposé en étant parallèle au deuxième échangeur de chaleur (2) et présente un bloc d'échangeur de chaleur (4) ainsi que deux tubes collecteurs (5, 6) disposés des deux côtés, et où le deuxième échangeur de chaleur (2) présente un bloc de tubes/d'ailettes comprenant deux bacs collecteurs (8, 9) fixés des deux côtés et se composant d'un matériau pouvant être coulé ou injecté, où le premier échangeur de chaleur (1) est fixé, d'une part, par des moyens de retenue (10, 11; 17, 18) qui sont configurés en formant une seule et même pièce avec le premier bac collecteur (8) du deuxième échangeur de chaleur (2) et, d'autre part, est fixé sur un bac collecteur du deuxième échangeur de chaleur (2) par des supports (3, 7) brasés et fixés sur un tube collecteur du premier échangeur de chaleur (1), où les supports brasés (3, 7) peuvent être clipsés sur le deuxième bac collecteur (9) du deuxième échangeur de chaleur (2), caractérisé en ce que les moyens de retenue sont configurés comme des demi-coques (10, 11) présentant un profilé en U, demi-coques qui comprennent un tube collecteur (6, 16) du premier échangeur de chaleur (1), où les profilés en U des demi-coques (10, 11) sont ouverts en direction du bloc (4) du premier échangeur de chaleur (1), et en ce que le tube collecteur (6) peut être inséré en coulissant dans les profilés en U (10, 11).
  2. Agencement selon la revendication 1, caractérisé en ce que l'un des supports brasés est configuré comme un raccordement de bloc (3).
  3. Agencement selon la revendication 1 ou 2, caractérisé en ce les supports brasés (3, 7) sont configurés comme des paliers fixes, les moyens de retenue (10, 11) étant configurés comme des paliers libres.
  4. Agencement selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les demi-coques (10, 11) sont fermées par des parois latérales (10b, 11a, 11b) qui fixent le tube collecteur (6, 16) suivant la direction de son axe longitudinal.
  5. Agencement selon la revendication 4, caractérisé en ce que l'une des deux parois latérales (11a) est configurée en étant flexible et présente en particulier une languette élastique (11b).
  6. Agencement selon l'une quelconque des revendications 1 à 5, caractérisé en ce que des ailettes flexibles (14, 15) placées entre les demi-coques (10, 11) sont moulées par injection sur le bac collecteur (8), ailettes flexibles contre lesquelles le tube collecteur (6, 16) peut venir en appui.
  7. Agencement selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le premier échangeur de chaleur est conçu comme un condenseur (1) d'un système de climatisation d'un véhicule automobile, en particulier dans un type de construction tout en aluminium, le deuxième échangeur de chaleur étant conçu comme un radiateur à liquide de refroidissement pour un moteur à combustion interne d'un véhicule automobile.
EP20060015543 2005-08-27 2006-07-26 Agencement de deux échangeurs de chaleur Not-in-force EP1757888B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510040607 DE102005040607A1 (de) 2005-08-27 2005-08-27 Anordnung zur Befestigung eines Wärmeübertragers an einem anderen

Publications (3)

Publication Number Publication Date
EP1757888A2 EP1757888A2 (fr) 2007-02-28
EP1757888A3 EP1757888A3 (fr) 2012-03-07
EP1757888B1 true EP1757888B1 (fr) 2014-04-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060015543 Not-in-force EP1757888B1 (fr) 2005-08-27 2006-07-26 Agencement de deux échangeurs de chaleur

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EP (1) EP1757888B1 (fr)
DE (1) DE102005040607A1 (fr)

Families Citing this family (10)

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DE102006037761B4 (de) 2006-08-11 2018-08-30 Volkswagen Ag Befestigungsanordnung für einen Ladeluftkühler und einen Wasserkühler
DE102008013056A1 (de) * 2008-03-06 2009-09-10 Behr Gmbh & Co. Kg Wärmeübertrager insbesondere eines Kraftfahrzeuges und Kühlmodul aus wenigstens zwei Wärmeübertragern
DE202009011439U1 (de) 2009-08-25 2009-11-19 Behr Gmbh & Co. Kg Anordnung zur Befestigung eines ersten Wärmeübertragers an einem zweiten Wärmeübertrager
FR2958390B1 (fr) * 2010-03-31 2015-01-02 Valeo Systemes Thermiques Module d'echange de chaleur comprenant un echangeur de chaleur a boites collectrices tubulaires
DE102010029698A1 (de) * 2010-06-04 2011-12-08 Behr Gmbh & Co. Kg Kühlmittelkühler
DE102010027279B4 (de) 2010-07-17 2018-02-22 Volkswagen Ag Befestigungsanordnung an einem Fahrzeug
ITTO20120238A1 (it) * 2012-03-19 2013-09-20 Denso Corp Gruppo di scambio termico a composizione variabile in modo flessibile
DE102014201991A1 (de) * 2013-02-16 2014-08-21 Volkswagen Aktiengesellschaft Kühleinrichtung für ein Kraftfahrzeug
DE102019200340A1 (de) 2019-01-14 2020-07-16 Mahle International Gmbh Bauteil und Loslagereinrichtung
EP3832240A1 (fr) * 2019-12-05 2021-06-09 Valeo Autosystemy SP. Z.O.O. Ensemble échangeur thermique

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JP3030036B2 (ja) * 1989-08-23 2000-04-10 昭和アルミニウム株式会社 複式熱交換器
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DE29707571U1 (de) * 1997-04-26 1997-07-10 Längerer & Reich GmbH, 70794 Filderstadt Anordnung zur Verbindung von zwei Wärmetauschern
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FR2772072B1 (fr) * 1997-12-10 2000-02-11 Valeo Thermique Moteur Sa Dispositif pour la fixation d'un conduit d'un premier echangeur de chaleur sur une boite a fluide d'un deuxieme echangeur de chaleur
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DE102005004521A1 (de) * 2004-01-29 2005-08-18 Behr Gmbh & Co. Kg Anordnung zur gegenseitigen Befestigung von Wärmeübertragern

Also Published As

Publication number Publication date
EP1757888A3 (fr) 2012-03-07
EP1757888A2 (fr) 2007-02-28
DE102005040607A1 (de) 2007-03-15

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