EP0693665B1 - Système pour connecter deux ou plusieurs échangeurs de chaleur - Google Patents

Système pour connecter deux ou plusieurs échangeurs de chaleur Download PDF

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Publication number
EP0693665B1
EP0693665B1 EP95110372A EP95110372A EP0693665B1 EP 0693665 B1 EP0693665 B1 EP 0693665B1 EP 95110372 A EP95110372 A EP 95110372A EP 95110372 A EP95110372 A EP 95110372A EP 0693665 B1 EP0693665 B1 EP 0693665B1
Authority
EP
European Patent Office
Prior art keywords
snap
catch
arrangement according
arrangement
collector
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.)
Expired - Lifetime
Application number
EP95110372A
Other languages
German (de)
English (en)
Other versions
EP0693665A3 (fr
EP0693665A2 (fr
Inventor
Reinhard Heine
Artur Dipl.-Ing. Wäsch (FH)
Uwe Dipl.-Ing. Hoffrogge
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 EP0693665A2 publication Critical patent/EP0693665A2/fr
Publication of EP0693665A3 publication Critical patent/EP0693665A3/fr
Application granted granted Critical
Publication of EP0693665B1 publication Critical patent/EP0693665B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F28D2021/0082—Charged air coolers
    • 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
    • F28F2275/00—Fastening; Joining
    • F28F2275/08—Fastening; Joining by clamping or clipping
    • F28F2275/085—Fastening; Joining by clamping or clipping with snap connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/10—Movable elements, e.g. being pivotable
    • F28F2280/105—Movable elements, e.g. being pivotable with hinged connections

Definitions

  • the invention relates to an arrangement for connecting two or more heat exchangers with each other, each with collection boxes, especially made of plastic and with between them running flow paths with heat exchange surfaces for a heat exchange medium are provided.
  • the invention has for its object an arrangement of to create the type mentioned above, with the two, or also several heat exchangers firmly together in a simple manner can be connected without problems by different Thermal expansion of the two heat exchangers or due to tolerance Dimensional deviations can occur.
  • This object is achieved according to the invention in that one for connecting the heat exchanger the header boxes of a heat exchanger at a distance from each other and projecting approximately perpendicularly from its longitudinal direction Pins are assigned, which in corresponding openings in bracket-like counter bearings on the assigned collecting box of the other Heat exchanger insertable and by pivoting one Counter bearing surface can be positioned in a certain end position are, and further in that the other two collection boxes Locking devices, in particular snap hooks, for Securing the end position of the pins and the two heat exchangers assigned.
  • This configuration makes it complex Connecting elements such as screws, brackets or the like. superfluous.
  • One heat exchanger can be inserted on the other pre-positioned its cones and then by collapsing brought into its end position against the other heat exchanger and be locked there.
  • each Snap tabs may be provided, each about End area of a collection box are assigned and with their Swivel axes are aligned perpendicular to each other.
  • the cross sections at least one of the pins and the associated opening of the counter bearing adapted to each other in the longitudinal direction of the collecting boxes be so that after inserting the pin into the associated Openings and when swiveling also an exact Alignment of the two water boxes in the direction of the longitudinal axis their collection boxes can be done.
  • one of the two pegs has a rectangular, the other, on the other hand, a cross section of a square with two side walls aligned parallel to each other, with at least one other side wall at an angle to yours opposite side wall runs and in their inclination the inclination of using it when positioning the heat exchanger cooperating wall of the counter bearing corresponds.
  • One of the pins receives at least one design Page a wedge-like formation that leads to a Alignment in one direction during the swiveling process occurs without special measures for such an orientation are to be met. Since the bevel is only in one Direction and on a side wall, it remains for the Spigot still possible to be perpendicular to the longitudinal axes of the Move collection boxes when thermal expansion occurs should.
  • each snap tab has a contact surface for a stop of a heat exchanger and a counter surface as a locking edge and a resilient rib is assigned, so that the snap edge is assigned that its free end in the trajectory the end of the snap tab provided with the locking hooks lies and with the snap-in latch locked against the by Locking hook facing away from the end of the snap tabs presses.
  • This configuration ensures, on the one hand, because of the vertical arrangement of the snap tabs to each other that also a production-related parallelogram shape, i.e. a shape of the heat exchanger deviating from an exact rectangle, that actually occur in practice due to manufacturing can, can be compensated.
  • the vertical snap tab is placed near a fixed storage location and it can their function even with angular deviations of the floor fully meet.
  • FIG. 1 to 3 is an arrangement consisting of a Intercooler (1) and a coolant cooler (2) shown which are both firmly connected.
  • Both the intercooler (1) as well as the coolant cooler that is used for cooling of the engine coolant of an internal combustion engine, not shown for one vehicle are each with collection boxes (3, 4) or (5, 6) provided, between which in no closer shown because so-called finned tube blocks (7 and 8) run as heat exchange surfaces for the one between the collection boxes (3, 4) on the one hand and (5, 6) serve on the other hand flowing heat exchange medium.
  • the coolant cooler (2) is thereby in the example shown attached to the charge air cooler (1) that two about perpendicular to the longitudinal direction of the collecting tank (5) of the Coolant cooler (2) protruding from the header tank (5)
  • Pins (9 and 10) in corresponding openings in a bow-like manner trained counter bearings (11 and 12) engage, each on the side of the collection boxes pointing towards the coolant cooler (2) (3) are attached.
  • the pins (9 and 10) lie both on the counter bearing (11 or 12) and on stop surfaces (13 and 14), which are also on the collection box (3) are attached.
  • the coolant cooler (2) is therefore thereby with the one already firmly in the engine compartment Vehicle arranged intercooler (1) connected that he is placed at a slight angle to the charge air cooler (1), that the longitudinal axes indicated in Figures 6 and 7, respectively (15, 16) each take the position (15 'or 16').
  • the coolant cooler (2) is then swiveled clockwise, until that shown in Figures 6 and 7 and 3 respectively Assembly position is reached.
  • the pins (9 and 10) are then held firmly and securely by their bilateral system.
  • the pin (10) therefore forms with his Counter bearing (12) a fixed bearing, which ensures secure anchoring leads the two heat exchangers together.
  • both side walls (10c and 10b) are oblique to the parallel Side walls (10a) arranged and the associated Inner walls (12b) of the abutment (12) both incline this Side walls are adjusted.
  • FIGs 10 and 10a first show that the collecting box (6) of the coolant cooler (2) on the left in Figure 1
  • a snap tab arrangement (17) shown above is that of an elastic on part of the collection box (4) of the intercooler (1) attached snap tab (21) with a hook (22) at its end and out of one associated with this snap tab (21) or its hook (22)
  • Latching edge (23) which in the exemplary embodiment has a contact surface (24) for interaction with a counter surface (25) is assigned to the collecting box (4).
  • a resilient securing web (26) is also arranged, the Task when assembled is the snap tab (21) in the end position reached. This is possible better from Figure 10a, where the last phase of the assembly process is shown.
  • the collection boxes (3, 4 5 and 6) of intercooler and coolant cooler (2) are made of plastic and that also bis the parts now described, including the snap tab (21) or pins (9 and 10) made of plastic.
  • the design the contact surface (24) as a leg on an im remaining U-shaped rib (28) therefore ensures that for Assembly required elasticity. It also brings that Advantage with itself that certain manufacturing tolerances are compensated can be because the two heat exchangers in each Case can be pressed together so far that the Snap tab (21) snaps into place.
  • the snap tab assembly (17) is vertical as described arranged.
  • the snap-tab arrangement (18), on the other hand, is horizontal. This configuration also enables the two Assemble heat exchangers, even if their outer shape is due to the production process is not exactly rectangular, but what is usual has a certain parallelogram shape.
  • This horizontal Snap arrangement also consists of a snap tab (29) with a hook (30) attached to the collecting box (6) of the coolant cooler (2) is attached and from a locking edge (31) and a contact surface (32), the collection box (4) of the charge air cooler (1) are assigned. With the contact surface (32) in turn acts a counter surface (33) of the collecting box (6) together on an angled projection (34) is attached, from which the snap tab (29) protrudes.
  • the snap tab (29) is a securing web (35) assigned to a contact edge to secure the locking position the snap tab (29), but also still an actuating web (36), the function of which based on the Figures 11a to 11c will be explained.
  • This actuation bridge (36) is assigned a rib projecting from it (37) with a recess (38) in which when engaged Snap tab (29) the head of the hook (30) has space.
  • FIG. 11a It can first be seen from FIG. 11a that one can disassemble at the poorly accessible location of the snap tab (18) a tool (39) on the underside of the two heat exchangers, roughly in the form of a screwdriver, from the side in the space between the hook (30) and one upwards Rib (40) of the support (32) can be inserted.
  • a tool (39) on the underside of the two heat exchangers roughly in the form of a screwdriver
  • this tool can be inserted further the wall (37) captured below and according to Figure 11c be pressed up so that the recess (38) and its securing edge the safety bar (35) is lifted as far up is that the hook of the snap tab (29) from its The locking edge (31) becomes free and the coolant cooler (2) can swivel from the charge air cooler (1) and now in Counterclockwise until the pins (9 and 10) again the inclination previously mentioned during assembly to their contact surfaces (11a and 13) and in this way the coolant cooler from the charge air cooler can be solved. It goes without saying before the dismantling process also necessary to release the upper snap tab (17), before the coolers can be taken apart.
  • the configuration according to the invention makes it very simple way without the use of screwing tools or the like possible a secure and permanent connection between to manufacture two heat exchangers.
  • a third heat exchanger e.g. one Oil cooler
  • the pin bearing (pin 9 and 10) on the one hand and the arrangement of the snap tabs (which are perpendicular to each other) on the other hand in addition to easy handling also the security for an exact alignment of each other attached heat exchanger.
  • the possibility of manufacturing tolerances to compensate also exists and Possibility that the new connection absorbs thermal expansion.
  • the configuration according to the invention is particularly suitable for Heat exchanger with plastic collection boxes because then the previously mentioned parts in one piece in a simple manner have them made with the collection boxes.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (10)

  1. Dispositif pour assembler l'un à l'autre deux ou plus de deux échangeurs de chaleur qui sont munis chacun de caisses collectrices (3, 4) ou (5, 6) respectivement, en particulier en matière plastique, et de canaux d'écoulement (faisceaux de tubes à ailettes 7, 8) munis de surfaces d'échange de chaleur pour un milieu d'échange de chaleur, qui s'étendent entre ces caisses, caractérisé en ce que, pour assembler les échangeurs de chaleur, on associe à l'une (5) des caisses collectrices d'un échangeur de chaleur (2) des tenons (9, 10) disposés à un certain écartement l'un de l'autre, qui font saillie à peu près perpendiculairement à la direction longitudinale de l'échangeur, qui peuvent être engagés dans des ouvertures correspondantes de contre-appuis (11, 12) en forme d'étriers prévus sur la caisse collectrice (3) correspondante de l'autre échangeur de chaleur (1) et être positionnés dans une position définitive déterminée par pivotement autour d'une surface de contre-appui (11a, 12a) et, par ailleurs, en ce qu'aux deux autres caisses collectrices (4, 6), sont associés les dispositifs d'immobilisation (17, 18) , en particulier des crochets à encliquetage, pour le blocage de la position définitive des tenons et des deux échangeurs de chaleur.
  2. Dispositif selon la revendication 1, caractérisé en ce qu'il est prévu, comme dispositifs d'immobilisation, deux dispositifs à languette d'encliquetage (17, 18), qui peuvent pivoter élastiquement chacun autour d'un axe, qui sont associés chacun à peu prés à la région d'extrémité d'une caisse collectrice et dont les axes de pivotement sont orientés perpendiculairement l'un à l'autre.
  3. Dispositif selon la revendication 1, caractérisé en ce que les sections d'au moins un des tenons (10) et de l'ouverture du contre-appui (12) qui lui est associée sont adaptées l'une à l'autre dans la direction longitudinale des caisses collectrices.
  4. Dispositif selon la revendication 1, caractérisé en ce que l'un des deux tenons (9) présente une section rectangulaire et l'autre (10) présente au contraire une section de la forme d'un quadrilatère possédant deux parois latérales (10a) orientées parallèlement l'une à l'autre et dans lequel au moins une autre paroi latérale (10c) s'étend obliquement aux parois latérales parallèles et correspond par son inclinaison à l'inclinaison de la paroi (12b) du contre-appui (12) qui coopère avec elle lors du positionnement de l'échangeur de chaleur (2).
  5. Dispositif selon la revendication 2, caractérisé en ce qu'un dispositif à languette d'encliquetage (18) est orienté horizontalement et l'autre (17) est orienté verticalement.
  6. Dispositif selon la revendication 5, caractérisé en ce que chacun des dispositifs à languette d'encliquetage (17, 18) présente une languette d'encliquetage (21 ou 29 respectivement), à laquelle sont associés une surface d'appui (24 ou 32 respectivement) pour une butée (25 ou 33 respectivement) ainsi qu'une contre-surface (23 ou 31 respectivement) servant de bord d'enclenchement, et une palette de blocage élastique (26 ou 35 respectivement) qui est associée au bord d'enclenchement (23 ou 31 respectivement) de telle manière que son extrémité libre se trouve sur la trajectoire de l'extrémité de la languette d'encliquetage (21 ou 29 respectivement) qui est munie du crochet d'enclenchement (22 ou 30 respectivement) et que, lorsque la languette d'encliquetage est enclenchée, elle exerce une pression contre la face de l'extrémité de la languette d'encliquetage (21 ou 29 respectivement) qui est à l'opposé du crochet d'enclenchement.
  7. Dispositif selon la revendication 6, caractérisé en ce que la surface d'appui (33) du dispositif à languette d'encliquetage (18) orienté horizontalement est légèrement élastique.
  8. Dispositif selon la revendication 1, caractérisé en ce que à chaque surface de contre-appui (11a ou 12a respectivement) des tenons (9 ou 10 respectivement), est associée une surface de butée (13 ou 14 respectivement) qui lui fait face, contre laquelle le tenon (9 ou 10 respectivement) est en appui dans sa position définitive.
  9. Dispositif selon la revendication 8, caractérisé en ce que les surfaces de butée (13 ou 14 respectivement) sont disposées décalées par rapport aux surfaces de contre-appui (11a ou 12a respectivement).
  10. Dispositif selon les revendications 1 et 2, caractérisé en ce qu'aux caisses collectrices (4 ou 6 respectivement) équipées des dispositifs à languette d'encliquetage (17, 18), est associée au moins une zone additionnelle d'absorption des forces formée d'un tenon (19) engagé dans un évidement (tenon creux 20) d'une caisse collectrice (4) et agencé sur l'autre caisse collectrice (6).
EP95110372A 1994-07-18 1995-07-04 Système pour connecter deux ou plusieurs échangeurs de chaleur Expired - Lifetime EP0693665B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4425350 1994-07-18
DE4425350A DE4425350A1 (de) 1994-07-18 1994-07-18 Anordnung zur Verbindung von zwei oder mehr Wärmetauschern

Publications (3)

Publication Number Publication Date
EP0693665A2 EP0693665A2 (fr) 1996-01-24
EP0693665A3 EP0693665A3 (fr) 1997-02-26
EP0693665B1 true EP0693665B1 (fr) 1998-05-27

Family

ID=6523474

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95110372A Expired - Lifetime EP0693665B1 (fr) 1994-07-18 1995-07-04 Système pour connecter deux ou plusieurs échangeurs de chaleur

Country Status (4)

Country Link
US (1) US5657817A (fr)
EP (1) EP0693665B1 (fr)
DE (2) DE4425350A1 (fr)
ES (1) ES2116655T3 (fr)

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Also Published As

Publication number Publication date
EP0693665A3 (fr) 1997-02-26
US5657817A (en) 1997-08-19
ES2116655T3 (es) 1998-07-16
DE59502316D1 (de) 1998-07-02
EP0693665A2 (fr) 1996-01-24
DE4425350A1 (de) 1996-01-25

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