EP1676085B1 - Ensemble échangeur de chaleur - Google Patents

Ensemble échangeur de chaleur Download PDF

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Publication number
EP1676085B1
EP1676085B1 EP04765115A EP04765115A EP1676085B1 EP 1676085 B1 EP1676085 B1 EP 1676085B1 EP 04765115 A EP04765115 A EP 04765115A EP 04765115 A EP04765115 A EP 04765115A EP 1676085 B1 EP1676085 B1 EP 1676085B1
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EP
European Patent Office
Prior art keywords
heat exchanger
arrangement
collector
snap
collecting
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.)
Active
Application number
EP04765115A
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German (de)
English (en)
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EP1676085A1 (fr
Inventor
Reinhard Heine
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 EP1676085A1 publication Critical patent/EP1676085A1/fr
Application granted granted Critical
Publication of EP1676085B1 publication Critical patent/EP1676085B1/fr
Active legal-status Critical Current
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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
    • F28F9/001—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
    • 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
    • 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
    • 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
    • F28D2021/0091—Radiators
    • F28D2021/0094—Radiators for recooling the engine coolant
    • 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
    • F28F2009/0285—Other particular headers or end plates
    • F28F2009/0287—Other particular headers or end plates having passages for different heat exchange media

Definitions

  • the invention relates to a heat exchanger assembly according to the preamble of claim 1 as in the EP 0 890 811 A2 is disclosed.
  • a cooling module which is arranged in the front engine compartment of the motor vehicle, usually comprises a coolant radiator, a charge air cooler and / or a condenser, which are fastened to one another and thus form a structural unit.
  • the heat exchangers are also fastened separately in the vehicle, as by the EP-A 915 308 has been known for a refrigerant condenser of a motor vehicle air conditioner.
  • the refrigerant condenser consists of a brazed tube / fin block with tube ends, which open into mutually arranged manifolds and are also soldered to them.
  • the inlet and outlet of refrigerant takes place via so-called block connections, which are soldered to the manifolds.
  • block connections which are soldered to the manifolds.
  • the well-known condenser has, in addition to the headers on a collecting container, which is integrated as a collecting container through the DE-A 42 38 853 the applicant has become known.
  • the collection container or collector is connected directly to one of the manifolds.
  • Coolant cooler are constructed differently than refrigerant condensers and often have a soldered network with soldered tube bottom and a coolant box, which is made as Kunststoffspozteil and thus offers the opportunity to inject coolant connection and fasteners with the coolant tank. This became known for the attachment of fan cowls or intercoolers.
  • the intercooler corresponding fasteners are molded, which are connected or locked with the associated fasteners on the coolant tank. Since a capacitor has no plastic boxes, but metallic manifolds, a sprinkling of fasteners is not possible here.
  • the first heat transfer is held at four corner regions, and the injection-molded holding means on the second heat exchanger are adapted to the shape of the first heat exchanger, so that a positive and / or frictional connection results.
  • This is advantageously achieved by molded hooks in the upper region of the collecting tanks of the second heat exchanger. This training allows insertion of the first heat exchanger from below into the hooks arranged above.
  • the lower fastening elements are formed on the second heat exchanger as a rib-shaped shoulder with snap hooks, also molded onto one of the manifolds.
  • a so-called block connection is attached to the first heat exchanger, ie at the manifolds, which serves as anchoring element of the first heat exchanger on the second heat exchanger.
  • the block connection is covered by a molded hook and held by a snap hook.
  • the first heat exchanger is designed as a condenser of a motor vehicle and the second heat exchanger as a coolant radiator of a motor vehicle, which are advantageously taken together in a cooling module.
  • the coolant radiator is advantageously the module carrier, d. H. attached to it are the other components.
  • the capacitor which consists of aluminum and is completely soldered in a soldering oven, can thus be designed simply by dispensing with soldered holding means and manufactured at low cost. The additional cost of the fasteners to the coolant boxes of the radiator is relatively low and is reflected in one-off costs for the plastic injection tool collection boxes.
  • Fig. 1 shows a coolant radiator 1 of a motor vehicle in the direction of travel of the motor vehicle, ie in the X direction.
  • the radiator 1 has a preferably brazed radiator block 2, consisting of flat tubes and corrugated ribs, not shown, and arranged on both sides of the block 2 coolant boxes 3, 4, which are made as Kunststoffstöffspritzmaschine.
  • the two coolant boxes 3, 4 are placed on metallic tube sheets 5, 6 and with mechanically connected.
  • the tube sheets 5, 6 are soldered to the block 2, that is, not shown pipe ends are received in the two tube sheets 5, 6 and soldered.
  • the cooler 1 is designed as a cross-flow cooler, ie installed with verticaldeschkarsen 3, 4 or tube plates 5, 6 in the vehicle.
  • the coolant enters through a coolant inlet pipe 7 in the left coolant box 4 and leaves the radiator via the coolant outlet pipe 8 in the right coolant box 3.
  • Each coolant box 3, 4 has in its lower region depending on a mounting pin 9, 10, which support the radiator 1 on the vehicle side and fix.
  • the radiator is further attached to two upper, unmarked locations in the vehicle:
  • Fig. 1a shows the cooler according to Fig. 1 in a view from above, the direction of travel X and the transverse direction Y are shown as coordinates on the right.
  • the air flow direction is indicated by an arrow L.
  • a refrigerant condenser 11 is arranged and - connected to the cooler 2 - to be explained below.
  • the condenser 11 has a capacitor block 12 soldered from flat tubes and corrugated ribs, not shown, as well as two manifolds on both sides, of which only the left manifold 13 is visible, which is integrated with a collector 14.
  • Such capacitors with integrated collector are from the cited prior art, ie the DE-A 42 38 853 known.
  • Fig. 2 shows a side view of the radiator 1 from the left with upstream in the air flow direction condenser 11, of which essentially only the collector 14 can be seen.
  • the retaining pin 9 offset slightly in the air flow direction to the right, arranged.
  • the collecting container 14 is parallel to the coolant box 4 and is fixed in the Y direction (perpendicular to the plane) by a molded on the coolant box 4 bow-shaped rib 15.
  • a downwardly pointing hook 16 is molded, which engages over the upper part 14a of the collector 14, fixes it in the X direction and permits tolerance compensation in the Z direction.
  • the coolant box 4 has in its lower region a molded rib-shaped shoulder 17, to which a snap hook 18 connects in the X direction.
  • the lower part 14b of the collector 14 rests on the shoulder 17, is thus fixed in the Z direction and is held by the snap hook 18 in the X direction.
  • a rigid rib 19 is arranged to secure the snap hook 18 against overbending.
  • a block connection 20 with two connection bores 20a, 20b can be seen, which is connected to the collecting tube, which is arranged on the side facing away from the collector 14 of the capacitor block.
  • the block connection 20 is encompassed by a hook 21, which is molded onto the coolant box 4 and defines the capacitor in the Z direction.
  • Fig. 2a shows the side view according to Fig. 2 rotated slightly about a vertical axis (parallel to the Z axis), ie in a 3-D representation, with like reference numerals being used for like parts. It can be seen the upper part of the capacitor block 12 and the collector 14, the upper part 14a is overlapped by the hook 16. The lower part 14b of the collector 14 is secured by the snap hook 18 forward and protected by the lower rib 19 against overbending.
  • Fig. 3 shows the coolant radiator 1 according to Fig. 1 in a side view from the right, ie facing the right coolant box 3, parallel to which a second manifold 22 is arranged.
  • the block connection 20 is fastened, ie soldered.
  • Such refrigerant connections are known from the aforementioned prior art; they are intended for the connection of a refrigerant inflow and outflow line, not shown.
  • the block connection 20 is arranged at the end, ie an end face of the collecting tube 22, and thus forms an anchoring, by means of which the condenser 11 can be fixed to the radiator 1 or its coolant box 3.
  • the hook 21 molded on the coolant tank 3 and on the other hand provided a snap hook 23 in the Z direction above the block port 20 (also molded on the coolant box 3), which engages in a corresponding recess 24 in the block connection 20 and thus the Capacitor in the X direction ensures.
  • the block port 20 opposite Side of the manifold 22 is overlapped by a sprayed on the coolant box 3 hook 25, which holds the manifold 22 and thus the capacitor 11 in the X direction.
  • Fig. 3a shows the side view according to Fig. 3 pivoted slightly about a vertical axis (parallel to the Z-axis) so that one sees the upper part of the condenser block 12. Furthermore, the upper hook 24 and the lower attachment means such as the hook 21 and the snap hook 23 are clearly visible. Finally, the fastening pin 10, which is formed integrally with the coolant box 3, is shown.
  • the assembly of the two heat exchangers takes place in the manner described below: first, the capacitor 11 is connected to the coolant radiator 1 in that the capacitor 11 slightly tilted (about a horizontal axis) and pushed with its upper edge under the two upper hooks 16 and 24 becomes. The condenser 11 is then collapsed against the coolant radiator 1, so that the lower edge of the condenser 11 comes to lie on the one hand on the rib-shaped projection 17 and the snap hook 18 and on the other hand between the hook 21 and the snap hook 22. After the snap-in of the two snap hooks 18 and 22, the assembly process is completed. In order to ensure a play-free installation of the capacitor 11 and the collector 14 on the coolant tank 4, not shown Auflageri ppen are arranged on the latter, in the region of the upper third of the coolant tank. 4

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Claims (9)

  1. Ensemble d'échangeurs de chaleur comprenant un premier échangeur de chaleur et un deuxième échangeur de chaleur, et comprenant un ensemble servant à la fixation d'un premier échangeur de chaleur sur un deuxième échangeur de chaleur, où le premier échangeur de chaleur est un condenseur et où le premier échangeur de chaleur (11) est disposé parallèlement au deuxième échangeur de chaleur (1) et présente une bloc d'échangeurs de chaleur (12) ainsi que des tubes collecteurs (13, 22) disposés des deux côtés, ou un tube collecteur (13) est intégré à un collecteur (14), et où le deuxième échangeur de chaleur (1) présente un bloc (2) de tubes d'ailettes comprenant des bacs collecteurs (3, 4) fixés des deux côtés et composés d'une matière, en particulier une matière plastique, pouvant en particulier être coulée par coulée ou moulée par injection, où le collecteur (14) du premier échangeur de chaleur (11) est fixé par des moyens de retenue (16, 17, 18, 21, 23, 25) qui sont configurés en formant une seule et même pièce avec les bacs collecteurs (3, 4) du deuxième échangeur de chaleur, en particulier moulés par coulée ou moulés par injection sur les bacs collecteurs (3, 4) du deuxième échangeur ce chaleur (1), et ou les bacs collecteurs (3, 4) et les tubes collecteurs (13, 22), respectivement le collecteur (14), sont disposés en étant parallèles entre eux,
    caractérisé en ce que le premier échangeur de chaleur (11) présente quatre zones angulaires, est les moyens de retenue (16, 17, 18, 21, 23, 25) sont assemblés, par complémentarité de forme et ou pair action de force, avec les zones angulaires, à savoir avec le tube collecteur (22) disposé sur le côté du premier échangeur de chaleur, placé à l'opposé du collecteur (14), et avec le collecteur (14), et les moyens de retenue supérieurs sont configurés comme des crochets (16, 25) pointant vers le bas, lesquels crochets empiètent sur les tubes collecteurs (13, 22), respectivement sur le collecteur (14),
  2. Ensemble selon la revendication 1, caractérisé en ce qu'un premier élément de retenue inférieur est configuré comme une épaulement nervuré (17) comprenant un crochet à encliquetage (18), en ce que le tube collecteur (22), respectivement le collecteur (14), vient en appui sur l'épaulement (17) et est verrouillé par le crochet à encliquetage (18).
  3. Ensemble selon la revendication 1 ou 2, caractérisé en ce qu'un deuxième moyen de retenue inférieur est configuré comme un crochet fixe (21) et comme un crochent à encliquetage (23), en ce qu'une jonction du bloc (20) est fixée, côte extrémité, sur le tube collecteur (22), et en ce que le crochet (21) et le crochet à encliquetage (23) entourent et verrouillent la jonction (20) du bloc.
  4. Ensemble selon la revendication 3, caractérisé en ce que la jonction (20) du bloc présente un creux (24) dans lequel s'engage le crochet à encliquetage (23), en verrouillant.
  5. Ensemble selon la revendication 2, caractérisé en ce qu'une nervure fixe (19) servant au verrouillage du crochet a encliquetage (18) est disposée au-dessous du crochet à encliquetage (18).
  6. Ensemble selon 11 une quelconque des revendications 1 à 5, caractérisé en ce qu'une nervure (15), en forme d'étrier, servant à la fixation du premier échangeur de chaleur (11), dans le sens horizontale est moulée par injection sur un bac collecteur (4).
  7. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier échangeur de chaleur est configuré comme une condenseur (11) d'un système de climatisation d'un véhicule automobile, le deuxième échangeur de chaleur étant configuré comme un radiateur à liquide de refroidissement (1) pour un moteur à combustion interne d'un véhicule automobile,
  8. Ensemble selon la revendication 7, caractérisé en ce que le condenseur (11) et le radiateur à liquide de refroidissement (1) sont des composants d'un module de refroidissement d'un véhicule automobile.
  9. Ensemble selon la revendication 7 ou 8, caractérisé en ce que le condenseur (11) est fixé exclusivement par les moyens de retenue (16, 17, 18, 23, 25) du radiateur à liquide de refroidissement (1).
EP04765115A 2003-10-16 2004-09-13 Ensemble échangeur de chaleur Active EP1676085B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10348701A DE10348701A1 (de) 2003-10-16 2003-10-16 Anordnung zur Befestigung eines Wärmeübertragers an einem anderen
PCT/EP2004/010193 WO2005038374A1 (fr) 2003-10-16 2004-09-13 Systeme pour fixer un echangeur de chaleur sur un autre echangeur de chaleur

Publications (2)

Publication Number Publication Date
EP1676085A1 EP1676085A1 (fr) 2006-07-05
EP1676085B1 true EP1676085B1 (fr) 2012-03-21

Family

ID=34428483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04765115A Active EP1676085B1 (fr) 2003-10-16 2004-09-13 Ensemble échangeur de chaleur

Country Status (7)

Country Link
US (1) US7367379B2 (fr)
EP (1) EP1676085B1 (fr)
AT (1) ATE550618T1 (fr)
BR (1) BRPI0415382A (fr)
DE (1) DE10348701A1 (fr)
WO (1) WO2005038374A1 (fr)
ZA (1) ZA200602983B (fr)

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EP0890811A2 (fr) * 1997-07-12 1999-01-13 Behr GmbH & Co. Dispositif d'échange de chaleur comprenant deux échangeurs de chaleur

Also Published As

Publication number Publication date
EP1676085A1 (fr) 2006-07-05
ATE550618T1 (de) 2012-04-15
WO2005038374A1 (fr) 2005-04-28
US7367379B2 (en) 2008-05-06
US20070089855A1 (en) 2007-04-26
DE10348701A1 (de) 2005-05-12
ZA200602983B (en) 2007-12-27
BRPI0415382A (pt) 2006-12-12

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