EP1189006B1 - Cooler arrangement - Google Patents

Cooler arrangement Download PDF

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Publication number
EP1189006B1
EP1189006B1 EP01118936A EP01118936A EP1189006B1 EP 1189006 B1 EP1189006 B1 EP 1189006B1 EP 01118936 A EP01118936 A EP 01118936A EP 01118936 A EP01118936 A EP 01118936A EP 1189006 B1 EP1189006 B1 EP 1189006B1
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EP
European Patent Office
Prior art keywords
headers
radiator arrangement
radiators
radiator
longitudinal walls
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
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EP01118936A
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German (de)
French (fr)
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EP1189006A2 (en
EP1189006A3 (en
Inventor
Mark G. Voss
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Modine Manufacturing Co
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Modine Manufacturing Co
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Priority claimed from DE2000145987 external-priority patent/DE10045987A1/en
Application filed by Modine Manufacturing Co filed Critical Modine Manufacturing Co
Publication of EP1189006A2 publication Critical patent/EP1189006A2/en
Publication of EP1189006A3 publication Critical patent/EP1189006A3/en
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    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for 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
    • 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
    • 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

Definitions

  • the invention relates to a radiator assembly consisting of a plurality of radiators, each having two manifolds, wherein two manifolds of adjacent radiator form an edge of the radiator assembly, wherein the radiator arranged in at least one row, the manifolds connecting flat tubes having, transverse to the fan axis of the inside
  • the centrifugal fan arranged in the radiator arrangement, with a front wall and a rear wall and with inflow and outflow lines for fluid flowing through the flat tubes of at least two radiators fluid, which are connected to manifolds, such that in direct or indirect proximity to the end of the first and / or
  • the last flat tube of the at least one flat tube row is arranged a connecting piece whose mouth is provided in the collecting box in a row with the mouths of the flat tubes in the collecting box and which allows the connection of the inlet or outlet line of the cooler.
  • the adjacent longitudinal walls of the manifolds forming one edge of the radiator assembly may either touch each other or they may be a small distance apart, the gap being sealed by suitable sealing means to prevent the leakage of unused cooling air.
  • suitable sealing means to prevent the leakage of unused cooling air.
  • the flow openings in the adjacent longitudinal walls have an adapted to the shape of the flow opening insert, which is preferably soldered in the flow opening and if the inserts are sealed in the flow openings of adjacent longitudinal walls to the outside.
  • the inserts consist of a circumferential wall, which has a flange at the top and bottom end.
  • the one flange is directed outwards and the other inwards, so that the inserts pot-like, with an opening in the bottom of the pot look like.
  • the one flange serves as a soldering edge with the flow opening in the longitudinal wall.
  • the other flange serves to receive the peripheral part with the seals.
  • the above-mentioned sealing consists of a peripheral part adapted to the shape of the inserts, with two peripheral grooves, in each of which a seal is arranged, the peripheral part achieving a sealing effect with the seals against the wall of the inserts in the corresponding flow openings.
  • the connecting piece 12 in indirect proximity to the end of the first and / or last flat tube 8.1 of the at least one flat tube is apparent
  • Flat tubes 8; 8.1 is provided in the collecting box 5 and the connection of the inflow or outflow line 3z; 3a of the radiator 2, 6, or 7 allowed.
  • the side part 16 and the adjacent corrugated fin 9 is omitted , so that the connecting piece 12 is arranged directly adjacent to the flat tube 8.1 .
  • the tube sheet 11 are openings through which the ends of the flat tubes 8; 8.1 pass through.
  • Another opening 15 is provided in the projection 17 of the tube sheet 11 to receive the end of the connecting piece 12 .
  • the end faces of the header tank 5 are closed by a closure plate 14 .
  • the collecting box 5 has a longitudinal wall 24th
  • Fig. 1 shows a variant in which the radiator 2; 6 and 7 are connected in series of a box-shaped radiator arrangement.
  • the cooling liquid comes through the supply line 3z to the connection piece 12 and enters the collection box 5 of the right in the image cooler 6 a. From there it distributes itself to the flat tubes 8.1; 8 and flows to the lower header 5 of the same radiator 6.
  • This collection box 5 forms with the collection box 5 of the lower radiator 2 in the picture, an edge 23 of the radiator assembly, the longitudinal walls 24 of the manifolds 5 have in this embodiment a small distance a , like the Fig. 3 shows.
  • the header boxes 5 are fluidly connected to the two lower edges 23 of the radiator assembly, as well as shown also (for example) in Fig. 3, which will be described later.
  • Fig. 1 From this fluidic Connection are in Fig. 1 only in the right lower edge 23, the centerpieces of the peripheral part 30 shown in Fig. 3 can be seen. However, it can be seen that in this embodiment, two fluidic connections 25 are provided between the longitudinal walls of the headers 5 . Any number could be provided. The same fluidic connection is located in the left, lower edge 23. It can not be seen in Fig. 1. Accordingly, the cooling liquid can flow according to the drawn flow arrows 4 in the collecting box 5 of the lower radiator 2 , via its not shown flat tubes 8; 8.1 get to the other collection box 5 and from there continue to come in the left radiator 7 to leave the radiator assembly via the drain line 3a, top left. Further, Fig.
  • FIG. 1 shows that in the box-shaped radiator assembly, a centrifugal fan 10 is arranged.
  • the flat tubes 8, 8.1 of the radiators 1, 2, 6 and 7 extend transversely to the fan axis V.
  • the rear side of the radiator arrangement is closed by a rear wall R.
  • the front has a front wall F with a not shown air - inlet and a nozzle.
  • the radiator assembly In the upper part of the radiator assembly is a mating from standard parts supply line 3z and bottom, left just such a drain line 3a .
  • the arrangement has been changed, however, so that the already mentioned circuit variant results.
  • the inlet is located in Fig. 2 above, left.
  • the radiator 6 and 7 are connected to each other, so that the feed stream to the cooler 6 and 7 splits. He enters via the connecting pieces 12 in both coolers 6, 7 and their manifolds 5 a.
  • the flow arrows 4 indicate how the arrangement is flowed through.
  • lower edge 23 which is formed by a respective collection box 5 of the radiator 6 and 2 , there are already described in connection with FIG.
  • FIG. 3 shows now details of the fluidic connection between the manifolds 5 of the radiator or between the longitudinal walls 24. Shown is only the variant in which the longitudinal walls 24 have a small distance a from each other, wherein the distance a by a suitable seal 26th over the entire length of the collecting tanks 5 is filled to prevent the escape of unused cooling air.
  • the other variant which does not have such a distance a and therefore no seal 26 needed is not shown. It is understood that for both variants, the formation of the inserts 27 and the seals 32 could be modified accordingly. For example, it may be sufficient to provide a modified insert 27 only in a flow opening 25 of a collecting box 5 , which engages in the corresponding flow opening 25 of the other collecting box 5 and is also sealed there. In this case, a flange could also be located at the corresponding flow opening 25 .
  • the variant shown in Fig. 3 has in the corresponding flow openings 25 in the longitudinal walls 24 of both manifolds 5 each have an insert 27, which consists of a peripheral wall portion 28 and an inwardly directed and an outwardly flange 29 .
  • insert 27 With the one outwardly directed flange 29 of the insert 27 is supported in the respective flow opening 25 and thus provides a suitable soldering surface with the flow opening 25.
  • the other inwardly directed flange 29 protrudes into the collecting box 5 by a small amount.
  • This flange 29 serves to receive a peripheral part 30 provided for sealing.
  • the peripheral part 30 is provided with grooves 31 , in which seals 32 are inserted.
  • the seals 32 press from the inside against the respective wall portion 28 of the corresponding insert 30, whereby the escape of the Coolant is to be prevented. It can also be seen from FIG. 3 and this description that the fluidic connection substantially contributes to the stability of the cooler arrangement, since the individual coolers have been fixed in their position by this connection.
  • the shape of the flow openings 25, the inserts 27 and the peripheral part 30 can be arbitrary. In the simplest case, the circular shape is selected.

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  • 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)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Semiconductor Lasers (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

A compact heat exchanger system including a radial fan directing air flow outwardly away from the fan axis and a plurality of heat exchangers disposed around the radial fan. At least two of the heat exchangers include headers with longitudinal walls extending generally in the same direction as the fan axis with one of the heat exchangers disposed with its outlet header longitudinal wall adjacent the longitudinal wall of the inlet header of a second of the heat exchangers. A flow opening is provided between the adjacent longitudinal walls of the outlet header of the one heat exchanger and the inlet header of the second heat exchanger.

Description

Die Erfindung betrifft eine Kühleranordnung, bestehend aus mehreren Kühlern, die je zwei Sammelkästen aufweisen, wobei zwei Sammelkästen benachbarter Kühler eine Kante der Kühleranordnung bilden, wobei die Kühler in mindestens einer Reihe angeordnete, die Sammelkästen verbindende Flachrohre aufweisen, die quer zur Ventilatorachse des im Inneren der Kühleranordnung angeordneten Radialventilators verlaufen, mit einer Frontwand und einer Rückwand sowie mit Zu - und Abflußleitungen für durch die Flachrohre wenigstens zweier Kühler strömendes Fluid, die an Sammelkästen angeschlossen sind, derart, daß in direkter oder indirekter Nachbarschaft zu dem Ende des ersten und / oder letzten Flachrohrs der mindestens einen Flachrohr - Reihe ein Anschlußstutzen angeordnet ist, dessen Mündung in den Sammelkasten in einer Reihe mit den Mündungen der Flachrohre in den Sammelkasten vorgesehen ist und der den Anschluß der Zu - oder Abflußleitung der Kühler gestattet. So eine kühlanordnung ist aus dem dokument EP-A-1 182 414 bekannt, welches Stand der Technik gemäß Art. 54(3)-(4) EPÜ ist. Eine ähnliche kühleranordnung mit anderer Anordnung der Auschlußstutzen is Z.B. aus der DE 19724728 bekannt.The invention relates to a radiator assembly consisting of a plurality of radiators, each having two manifolds, wherein two manifolds of adjacent radiator form an edge of the radiator assembly, wherein the radiator arranged in at least one row, the manifolds connecting flat tubes having, transverse to the fan axis of the inside The centrifugal fan arranged in the radiator arrangement, with a front wall and a rear wall and with inflow and outflow lines for fluid flowing through the flat tubes of at least two radiators fluid, which are connected to manifolds, such that in direct or indirect proximity to the end of the first and / or The last flat tube of the at least one flat tube row is arranged a connecting piece whose mouth is provided in the collecting box in a row with the mouths of the flat tubes in the collecting box and which allows the connection of the inlet or outlet line of the cooler. Such a cooling arrangement is known from document EP-A-1 182 414, which is state of the art according to Art. 54 (3) - (4) EPC. A similar cooler arrangement with a different arrangement of Auschlußstutzen is z. known from DE 19724728.

Damit wurde eine kompakte und raumsparende Gestaltung der Kühleranordnung erzielt sowie verschiedene Einsatz - und Anschlußmöglichkeiten der Kühleranordnung zur Verfügung gestellt.In order for a compact and space-saving design of the radiator assembly has been achieved as well as various use - and connectivity of the radiator assembly made available.

Aus US 5 348 081 ist eine Anordnung bekannt, die einen Kondensator betrifft, der aus zwei Teilen besteht. Beide Teile sind in Kühlluftströmungsrichtung hintereinander liegend angeordnet worden. Zwei Sammelrohre wurden mittels eines Verbindungsrohres verbunden, um das Kältemittel von dem ersten Teil in den zweiten Teil strömen zu lassen. Demnach ist lediglich ein einziger an dem einen Teil angeordneter Einlassstutzen und ein einziger an dem anderen Teil angeordneter Auslassstutzen erforderlich.From US 5 348 081 an arrangement is known which relates to a capacitor consisting of two parts. Both parts have been arranged one behind the other in the direction of cooling air flow. Two headers were connected by means of a connecting pipe to let the refrigerant flow from the first part into the second part. Accordingly, only a single inlet fitting arranged on the one part and a single outlet nozzle arranged on the other part are required.

Mit der vorliegenden Anmeldung sollen dem Stand der Technik weitere gestalterische Varianten hinzugefügt werden, die ebenfalls eine kompakte und raumsparende Kühleranordnung gewährleisten und zusätzliche Anschlußvarianten zulassen.With the present application further design variants are to be added to the prior art, which also ensure a compact and space-saving radiator arrangement and allow additional connection variants.

Die erfindungsgemäße Lösung ergibt sich bei der Kühleranordnung des Anspruchs 1. Weiterbildungen und Varianten ergeben sich aus den Ansprüchen 2 bis 6.The solution according to the invention results in the cooler arrangement of claim 1. Further developments and variants emerge from the claims 2 to 6.

Weil, gemäß Anspruch 1, zwischen zwei benachbarten, eine Kante der Kühleranordnung ausbildenden Sammelkästen, in deren benachbarten Längswänden mindestens eine Strömungsöffnung angeordnet ist, um die zugeordneten Kühler strömungstechnisch zu verbinden, ergeben sich weitere Varianten für verschiedene Einsatz - und Anschlußmöglichkeiten. Die direkte Verbindung der Sammelkästen zwischen ihren Längswänden führt ferner zu einer sehr kompakten Gestalt der Kühleranordnung, weil keine vorstehenden Anschlußstücke oder dergleichen notwendig sind. Gegenüber der bekannten Kühleranordnung können mit weniger Aufwand für die Zu - und Abflußleitungen unterschiedliche Schaltungsvarianten mehrerer Kühler - in Reihe oder parallel - realisiert werden. Die strömungstechnische Verbindung zwischen den Sammelkästen leistet darüber hinaus einen wesentlichen Beitrag zur Stabilität der Kühleranordnung, denn die Sammelkästen bzw. die zugehörigen Kühler sind durch diese Verbindung in ihrer Position fixiert worden. Die strömungstechnische Verbindung kann sich in allen Kanten der Kühleranordnung befinden. Mindestens eine Kante der Anordnung ist jedoch erfindungsgemäß ausgebildet. Die Frage, in welchen Kanten die strömungstechnische Verbindung angeordnet ist, hängt von der jeweils gewünschten Schaltungsverbindung zwischen den Kühlern ab.Weil, according to claim 1, between two adjacent, forming an edge of the radiator assembly collecting tanks, in whose adjacent longitudinal walls at least one flow opening is arranged to fluidly connect the associated radiator, there are more variants for different use - and connection options. The direct connection of the manifolds between their longitudinal walls also leads to a very compact shape of the radiator assembly, because no protruding fittings or the like are necessary. Compared to the known radiator arrangement Different circuit variants of several coolers - in series or in parallel - can be realized with less effort for the inflow and outflow lines. The fluidic connection between the headers also makes a significant contribution to the stability of the radiator assembly, because the headers or the associated radiator have been fixed by this compound in position. The fluidic connection may be located in all edges of the radiator assembly. However, at least one edge of the arrangement is designed according to the invention. The question in which edges the fluidic connection is arranged, depends on the respective desired circuit connection between the radiators.

Die benachbarten Längswände der eine Kante der Kühleranordnung ausbildenden Sammelkästen können sich entweder berühren oder sie können einen geringen Abstand zueinander besitzen, wobei der Abstand mittels geeigneter Dichtmittel abgedichtet ist, um das Abströmen ungenutzter Kühlluft zu verhindern. Das Vorsehen eines Abstandes ist fertigungstechnisch günstiger.The adjacent longitudinal walls of the manifolds forming one edge of the radiator assembly may either touch each other or they may be a small distance apart, the gap being sealed by suitable sealing means to prevent the leakage of unused cooling air. The provision of a distance is manufacturing technology cheaper.

Es ist insbesondere bei beabstandeten Längswänden von Vorteil, wenn die Strömungsöffnungen in den benachbarten Längswänden einen an die Form der Strömungsöffnung angepaßten Einsatz aufweisen, der vorzugsweise in der Strömungsöffnung eingelötet ist und wenn die Einsätze in den Strömungsöffnungen benachbarter Längswände nach außen abgedichtet sind.It is particularly advantageous in spaced longitudinal walls, if the flow openings in the adjacent longitudinal walls have an adapted to the shape of the flow opening insert, which is preferably soldered in the flow opening and if the inserts are sealed in the flow openings of adjacent longitudinal walls to the outside.

Die Einsätze bestehen aus einer umlaufenden Wand, die am oberen und unteren Abschluß je einen Flansch aufweist. Der eine Flansch ist nach außen gerichtet und der andere nach innen, so daß die Einsätze topfähnlich, mit einer Öffnung im Boden des Topfes, aussehen. Der eine Flansch dient als Lötrand mit der Strömungsöffnung in der Längswand. Der andere Flansch dient der Aufnahme des Umfangsteils mit den Dichtungen.The inserts consist of a circumferential wall, which has a flange at the top and bottom end. The one flange is directed outwards and the other inwards, so that the inserts pot-like, with an opening in the bottom of the pot look like. The one flange serves as a soldering edge with the flow opening in the longitudinal wall. The other flange serves to receive the peripheral part with the seals.

Die bereits erwähnte Abdichtung besteht aus einem der Form der Einsätze angepaßten Umfangsteil mit zwei umlaufenden Nuten, in denen je eine Dichtung angeordnet ist, wobei das Umfangsteil mit den Dichtungen gegen die Wand der Einsätze in den korrespondierenden Strömungsöffnungen eine Dichtwirkung erzielt.The above-mentioned sealing consists of a peripheral part adapted to the shape of the inserts, with two peripheral grooves, in each of which a seal is arranged, the peripheral part achieving a sealing effect with the seals against the wall of the inserts in the corresponding flow openings.

Die Erfindung wird nachfolgend in Ausführungsbeispielen beschrieben, wobei auf die beiliegenden Zeichnungen Bezug genommen wird. Aus dieser Beschreibung können sich weitere, möglicherweise wesentliche, Merkmale und Vorteile ergeben.

  • Fig. 1 perspektivische Ansicht einer ersten Variante der Kühleranordnung;
  • Fig. 2 perspektivische Ansicht einer zweiten Variante der Kühleranordnung;
  • Fig. 3 Schnitt III - III aus Fig. 1 und 2;
  • Fig. 4 Teilschnitt durch einen Kühler
The invention will be described below in embodiments, reference being made to the accompanying drawings. This description may give rise to other, possibly essential, features and advantages.
  • Fig. 1 perspective view of a first variant of the cooler assembly;
  • Fig. 2 perspective view of a second variant of the cooler assembly;
  • Fig. 3 section III - III of Fig. 1 and 2;
  • Fig. 4 partial section through a radiator

Aus der Fig.4 geht hervor, daß der Anschlußstutzen 12 in indirekter Nachbarschaft zu dem Ende des ersten und / oder letzten Flachrohrs 8.1 der mindestens einen Flachrohr - Reihe angeordnet ist, dessen Mündung 21 in den Sammelkasten 5 in einer Reihe mit den Mündungen 22 der Flachrohre 8; 8.1 in den Sammelkasten 5 vorgesehen ist und der den Anschluß der Zu - oder Abflußleitung 3z; 3a der Kühler 2, 6, oder 7 gestattet. Bei der hier nicht gezeigten direkten Nachbarschaft entfällt das Seitenteil 16 und die angrenzende Wellrippe 9, so daß der Anschlußstutzen 12 direkt neben dem Flachrohr 8.1 angeordnet ist. Im Rohrboden 11 sind Öffnungen vorhanden, durch welche die Enden der Flachrohre 8; 8.1 hindurchtreten. Eine weitere Öffnung 15 ist im Überstand 17 des Rohrbodens 11 vorgesehen, um das Ende des Anschlußstutzens 12 aufzunehmen. Die Stirnseiten des Sammelkastens 5 sind durch ein Verschlußblech 14 verschlossen. Ferner hat der Sammelkasten 5 eine Längswand 24.Series is arranged, the mouth 21 into the collecting box 5 in a row with the openings 22 of the - from the Figure 4 that the connecting piece 12 in indirect proximity to the end of the first and / or last flat tube 8.1 of the at least one flat tube is apparent Flat tubes 8; 8.1 is provided in the collecting box 5 and the connection of the inflow or outflow line 3z; 3a of the radiator 2, 6, or 7 allowed. In the direct neighborhood, not shown here, the side part 16 and the adjacent corrugated fin 9 is omitted , so that the connecting piece 12 is arranged directly adjacent to the flat tube 8.1 . In the tube sheet 11 are openings through which the ends of the flat tubes 8; 8.1 pass through. Another opening 15 is provided in the projection 17 of the tube sheet 11 to receive the end of the connecting piece 12 . The end faces of the header tank 5 are closed by a closure plate 14 . Furthermore, the collecting box 5 has a longitudinal wall 24th

Die Fig. 1 zeigt eine Variante, in der die Kühler 2; 6 und 7 einer kastenförmigen Kühleranordnung in Reihe geschaltet sind. Die Kühlflüssigkeit kommt über die Zuflußleitung 3z zum Anschlußstutzen 12 und tritt in den Sammelkasten 5 des im Bild rechten Kühlers 6 ein. Von dort verteilt sie sich auf die Flachrohre 8.1; 8 und strömt zum unteren Sammelkasten 5 desselben Kühlers 6. Dieser Sammelkasten 5 bildet mit dem Sammelkasten 5 des im Bild unteren Kühlers 2 eine Kante 23 der Kühleranordnung aus, wobei die Längswände 24 der Sammelkästen 5 in diesem Ausführungsbeispiel einen geringen Abstand a besitzen, wie die Fig. 3 zeigt. Die Sammelkästen 5 sind an den beiden unteren Kanten 23 der Kühleranordnung strömungstechnisch verbunden und zwar so, wie ebenfalls (beispielsweise) in der Fig. 3 gezeigt, die später beschrieben wird. Von dieser strömungstechnischen Verbindung sind in der Fig. 1 lediglich in der rechten, unteren Kante 23 die Mittelstücke des in Fig. 3 gezeigten Umfangsteils 30 zu erkennen. Es ist jedoch zu sehen, daß in diesem Ausführungsbeispiel zwei strömungstechnische Verbindungen 25 zwischen den Längswänden der Sammelkästen 5 vorgesehen sind. Es könnte eine beliebige Anzahl vorgesehen werden. Die gleiche strömungstechnische Verbindung befindet sich in der linken, unteren Kante 23. Sie ist in Fig. 1 nicht zu sehen. Demzufolge kann die Kühlflüssigkeit gemäß den eingezeichneten Strömungspfeilen 4 in den Sammelkasten 5 des unteren Kühlers 2 einströmen, über dessen nicht gezeichnete Flachrohre 8; 8.1 zum anderen Sammelkasten 5 gelangen und von dort weiter in den linken Kühler 7 kommen, um die Kühleranordnung über die Abflußleitung 3a, links oben, zu verlassen. Ferner zeigt die Fig. 1, daß in der kastenförmigen Kühleranordnung ein Radialventilator 10 angeordnet ist. Die Flachrohre 8, 8.1 der Kühler 1, 2, 6 und 7 verlaufen quer zur Ventilatorachse V. Die Rückseite der Kühleranordnung ist durch eine Rückwand R verschlossen. Die Vorderseite besitzt eine Frontwand F mit einer nicht gezeichneten Luft - Einströmöffnung und einer Düse.Fig. 1 shows a variant in which the radiator 2; 6 and 7 are connected in series of a box-shaped radiator arrangement. The cooling liquid comes through the supply line 3z to the connection piece 12 and enters the collection box 5 of the right in the image cooler 6 a. From there it distributes itself to the flat tubes 8.1; 8 and flows to the lower header 5 of the same radiator 6. This collection box 5 forms with the collection box 5 of the lower radiator 2 in the picture, an edge 23 of the radiator assembly, the longitudinal walls 24 of the manifolds 5 have in this embodiment a small distance a , like the Fig. 3 shows. The header boxes 5 are fluidly connected to the two lower edges 23 of the radiator assembly, as well as shown also (for example) in Fig. 3, which will be described later. From this fluidic Connection are in Fig. 1 only in the right lower edge 23, the centerpieces of the peripheral part 30 shown in Fig. 3 can be seen. However, it can be seen that in this embodiment, two fluidic connections 25 are provided between the longitudinal walls of the headers 5 . Any number could be provided. The same fluidic connection is located in the left, lower edge 23. It can not be seen in Fig. 1. Accordingly, the cooling liquid can flow according to the drawn flow arrows 4 in the collecting box 5 of the lower radiator 2 , via its not shown flat tubes 8; 8.1 get to the other collection box 5 and from there continue to come in the left radiator 7 to leave the radiator assembly via the drain line 3a, top left. Further, Fig. 1 shows that in the box-shaped radiator assembly, a centrifugal fan 10 is arranged. The flat tubes 8, 8.1 of the radiators 1, 2, 6 and 7 extend transversely to the fan axis V. The rear side of the radiator arrangement is closed by a rear wall R. The front has a front wall F with a not shown air - inlet and a nozzle.

In der in Fig. 2 abgebildeten Variante sind die Kühler 2 und 6 in Reihe geschaltet und der Kühler 7 parallel dazu. Dort wurden nur die Bezugszeichen angegeben, die bei der nachfolgenden Beschreibung benutzt werden. Es ist klar, daß auch die dortigen Kühler 1, 2, 6 und 7 über Flachrohre 8; 8.1 sowie über alle anderen notwendigen Merkmale verfügen, die in der Fig. 1 beschrieben worden sind.In the variant shown in Fig. 2, the radiator 2 and 6 are connected in series and the radiator 7 in parallel thereto. There, only the reference numerals have been given, which will be used in the following description. It is clear that the local radiator 1, 2, 6 and 7 via flat tubes 8; 8.1 and have all other necessary features that have been described in FIG.

Im oberen Bereich der Kühleranordnung befindet sich eine aus Standardteilen zusammensteckbare Zuflußleitung 3z und unten, links eine ebensolche Abflußleitung 3a. Die Anordnung wurde jedoch verändert, so daß sich die bereits genannte Schaltungsvariante ergibt. Der Zulauf befindet sich in der Fig. 2 oben, links. Über die Zuflußleitung 3z sind die Kühler 6 und 7 miteinander verbunden, so daß sich der Zulaufstrom auf die Kühler 6 und 7 aufteilt. Er tritt über die Anschlußstutzen 12 in beide Kühler 6, 7 bzw. deren Sammelkästen 5 ein. Auch in dieser Abbildung zeigen die Strömungspfeile 4 an, wie die Anordnung durchströmt wird. In der rechten, unteren Kante 23, die durch je einen Sammelkasten 5 der Kühler 6 und 2 gebildet ist, befinden sich die bereits im Zusammenhang mit Fig. 1 beschriebenen strömungstechnischen Verbindungen, von denen ebenfalls nur je ein Teil 30 erkennbar ist. Die Kühlflüssigkeit kann also in den Kühler 2 hineinströmen, um dort weiter abgekühlt zu werden, durch den vom Radialventilator 10 erzeugten Kühlluftstrom. Zwischen den in der linken, unteren Kante 23 angeordneten Sammelkästen 5 der Kühler 2 und 7 hingegen, ist keine strömungstechnische Verbindung 25 der beschriebenen Art vorhanden. Dafür wurden die dortigen Sammelkästen 5 in aus Fig. 4 zu erkennender Art und Weise mit Anschlußstutzen 12 versehen, wobei beide Anschlußstutzen 12 über die Abflußleitung 3a zum Ablauf aus der Kühleranordnung führen.In the upper part of the radiator assembly is a mating from standard parts supply line 3z and bottom, left just such a drain line 3a . The arrangement has been changed, however, so that the already mentioned circuit variant results. The inlet is located in Fig. 2 above, left. About the supply line 3z , the radiator 6 and 7 are connected to each other, so that the feed stream to the cooler 6 and 7 splits. He enters via the connecting pieces 12 in both coolers 6, 7 and their manifolds 5 a. Also in this figure, the flow arrows 4 indicate how the arrangement is flowed through. In the right, lower edge 23, which is formed by a respective collection box 5 of the radiator 6 and 2 , there are already described in connection with FIG. 1 fluidic connections, of which also only one part 30th is recognizable. The cooling liquid can thus flow into the cooler 2 , in order to be further cooled there, by the cooling air flow generated by the radial fan 10 . In contrast, between the arranged in the left lower edge 23 manifolds 5 of the radiator 2 and 7 , no fluidic connection 25 of the type described is present. For the local collecting tanks 5 were provided in Fig. 4 to be recognized manner with connecting pieces 12 , wherein both connecting pieces 12 lead through the drain line 3a to drain from the radiator assembly.

Die Fig. 3 zeigt nun Einzelheiten der strömungstechnischen Verbindung zwischen den Sammelkästen 5 der Kühler bzw. zwischen deren Längswänden 24. Gezeigt ist lediglich die Variante, bei der die Längswände 24 einen geringen Abstand a voneinander besitzen, wobei der Abstand a durch eine geeignete Dichtung 26 über die gesamte Länge der Sammelkästen 5 ausgefüllt ist, um das Entweichen ungenutzter Kühlluft zu verhindern.3 shows now details of the fluidic connection between the manifolds 5 of the radiator or between the longitudinal walls 24. Shown is only the variant in which the longitudinal walls 24 have a small distance a from each other, wherein the distance a by a suitable seal 26th over the entire length of the collecting tanks 5 is filled to prevent the escape of unused cooling air.

Die andere Variante, die keinen solchen Abstand a aufweist und deshalb auch keine Dichtung 26 benötigt ist nicht gezeigt. Es versteht sich, daß für beide Varianten die Ausbildung der Einsätze 27 sowie der Dichtungen 32 entsprechend modifiziert sein könnte. Beispielsweise könnte es ausreichend sein, nur in einer Strömungsöffnung 25 eines Sammelkastens 5 einen modifizierten Einsatz 27 vorzusehen, der in die korrespondierende Strömungsöffnung 25 des anderen Sammelkastens 5 eingreift und dort auch abgedichtet ist. Dabei könnte sich auch ein Flansch an der korrespondierenden Strömungsöffnung 25 befinden.The other variant, which does not have such a distance a and therefore no seal 26 needed is not shown. It is understood that for both variants, the formation of the inserts 27 and the seals 32 could be modified accordingly. For example, it may be sufficient to provide a modified insert 27 only in a flow opening 25 of a collecting box 5 , which engages in the corresponding flow opening 25 of the other collecting box 5 and is also sealed there. In this case, a flange could also be located at the corresponding flow opening 25 .

Die in Fig. 3 gezeigte Variante besitzt in den korrespondierenden Strömungsöffnungen 25 in den Längswänden 24 beider Sammelkästen 5 je einen Einsatz 27, der aus einem umlaufenden Wandteil 28 und aus einem nach innen und einem nach außen gerichteten Flansch 29 besteht. Mit dem einen nach außen gerichteten Flansch 29 ist der Einsatz 27 in der jeweiligen Strömungsöffnung 25 abgestützt und ergibt somit eine geeignete Lötfläche mit der Strömungsöffnung 25. Der andere nach innen gerichtete Flansch 29 ragt in den Sammelkasten 5 um einen geringen Betrag hinein. Dieser Flansch 29 dient dazu, ein zur Abdichtung vorgesehenes Umfangsteil 30 aufzunehmen. Das Umfangsteil 30 ist mit Nuten 31 ausgestattet, in die Dichtungen 32 eingelegt sind. Im gezeigten, betriebsbereiten bzw. montierten Zustand drücken die Dichtungen 32 von innen gegen das jeweilige Wandteil 28 des entsprechenden Einsatzes 30, wodurch das Austreten der Kühlflüssigkeit zu verhindern ist. Aus der Fig. 3 und dieser Beschreibung ist auch zu erkennen, daß die strömungstechnische Verbindung zur Stabilität der Kühleranordnung wesentlich beiträgt, denn die einzelnen Kühler sind durch diese Verbindung in ihrer Position fixiert worden. Die Form der Strömungsöffnungen 25, der Einsätze 27 sowie des Umfangsteils 30 kann beliebig sein. Im einfachsten Fall wird die kreisrunde Form ausgewählt.The variant shown in Fig. 3 has in the corresponding flow openings 25 in the longitudinal walls 24 of both manifolds 5 each have an insert 27, which consists of a peripheral wall portion 28 and an inwardly directed and an outwardly flange 29 . With the one outwardly directed flange 29 of the insert 27 is supported in the respective flow opening 25 and thus provides a suitable soldering surface with the flow opening 25. The other inwardly directed flange 29 protrudes into the collecting box 5 by a small amount. This flange 29 serves to receive a peripheral part 30 provided for sealing. The peripheral part 30 is provided with grooves 31 , in which seals 32 are inserted. In the shown, ready for use or assembled state, the seals 32 press from the inside against the respective wall portion 28 of the corresponding insert 30, whereby the escape of the Coolant is to be prevented. It can also be seen from FIG. 3 and this description that the fluidic connection substantially contributes to the stability of the cooler arrangement, since the individual coolers have been fixed in their position by this connection. The shape of the flow openings 25, the inserts 27 and the peripheral part 30 can be arbitrary. In the simplest case, the circular shape is selected.

Claims (6)

  1. Radiator arrangement, consisting of a plurality of radiators (2, 6, 7) which each have two headers (5), two headers (5), of adjacent radiators, forming one edge (23) of the radiator arrangement, the radiators (2; 6; 7) having flat tubes (8) which are arranged in at least one row and connect the headers (5) and which run transversely with respect to the fan axis (V) of the radial fan (10) arranged inside the radiator arrangement, with a front wall (F) and a rear wall (R) and with inflow and outflow lines (3z; 3a) for fluid flowing through the flat tubes (8) of at least two radiators, the said inflow and outflow lines being connected to headers (5) in such a way that there being arranged in direct or indirect proximity to the end of the first and/or last flat tube (8.1) of the at least one flat-tube row a connection piece (12), of which the issue (21) into the header (5) is provided in a row with the issues (22) of the flat tubes (8; 8.1) into the header (5) and which allows the connection of the inflow or outflow line (3z; 3a) of the radiators (2, 6, 7), at least one flow orifice (25) being arranged in each case between the two adjacent headers (5) forming the one edge (23) of the radiator arrangement, in adjacent longitudinal walls (24) of the said headers, in order to connect the assigned radiators (6; 2) fluidically in at least one of the edges (23).
  2. Radiator arrangement according to Claim 1, characterized in that the adjacent longitudinal walls (24) touch one another.
  3. Radiator arrangement according to Claim 1, characterized in that between the adjacent longitudinal walls (24) there is a clearance (2) which is closed by means of a suitable seal (26).
  4. Radiator arrangement according to one of Claims 1 to 3, characterized in that an insert (27) adapted to the shape of the flow orifices (25) is arranged in each case in corresponding flow orifices (25) of the longitudinal walls (24) of the headers (5), is preferably soldered in the flow orifices (25), and in that the inserts (27) are sealed off outwardly in the flow orifices (25) of adjacent longitudinal walls (24).
  5. Radiator arrangement according to Claim 4, characterized in that the inserts (27) consist of a continuous wall (28) which has an inwardly directed flange (29) at one termination and an outwardly directed flange (29) at the other termination.
  6. Radiator arrangement according to Claims 4 and 5, characterized in that the sealing-off means consists of a circumferential part (30) adapted to the shape of the inserts (27) and having two continuous grooves (31) in each of which a seal (32) is arranged, the circumferential part (30) being received between the inwardly directed flanges (29) of the inserts (27) and, together with the seals (32), achieving a sealing action with respect to the wall (28) of the inserts (27) in the corresponding flow orifices (25).
EP01118936A 2000-09-16 2001-08-04 Cooler arrangement Expired - Lifetime EP1189006B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10045987 2000-09-16
DE2000145987 DE10045987A1 (en) 2000-08-25 2000-09-16 Cooling unit with several coolers has two adjacent collecting boxes forming one edge of unit with at least one flow aperture in adjacent longitudinal walls

Publications (3)

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EP1189006A2 EP1189006A2 (en) 2002-03-20
EP1189006A3 EP1189006A3 (en) 2003-10-15
EP1189006B1 true EP1189006B1 (en) 2006-06-14

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Family Applications (1)

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EP01118936A Expired - Lifetime EP1189006B1 (en) 2000-09-16 2001-08-04 Cooler arrangement

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US (1) US6675879B2 (en)
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AT (1) ATE330197T1 (en)
DE (2) DE10041794A1 (en)

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Publication number Publication date
ATE330197T1 (en) 2006-07-15
DE50110126D1 (en) 2006-07-27
DE10041794A1 (en) 2002-03-07
EP1189006A2 (en) 2002-03-20
EP1189006A3 (en) 2003-10-15
US6675879B2 (en) 2004-01-13
US20020033248A1 (en) 2002-03-21

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