EP1668304A1 - Heat exchanging unit for motor vehicles - Google Patents
Heat exchanging unit for motor vehiclesInfo
- Publication number
- EP1668304A1 EP1668304A1 EP04764516A EP04764516A EP1668304A1 EP 1668304 A1 EP1668304 A1 EP 1668304A1 EP 04764516 A EP04764516 A EP 04764516A EP 04764516 A EP04764516 A EP 04764516A EP 1668304 A1 EP1668304 A1 EP 1668304A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- unit according
- header
- wall
- longitudinal axis
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
-
- 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
- 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
- F28D1/053—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 the conduits being straight
- F28D1/0535—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 the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05383—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
-
- 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
Definitions
- the invention relates to a heat exchanger unit for motor vehicles with a first heat exchanger, which has two spaced-apart and essentially parallel-arranged header pipes, which are connected to one another in terms of flow technology via a plurality of connecting tubes arranged parallel to one another and spaced in the longitudinal direction of the header pipes.
- Such heat exchanger units are already known. They are used, for example, as coolant coolers in motor vehicles.
- two header pipes which have a rectangular cross section 25 perpendicular to their longitudinal axis, are connected via connecting pipes.
- an inlet and an outlet connection are provided.
- the invention has for its object to provide a heat exchanger unit for motor vehicles, which is reliable, has a fluid flow design and is inexpensive to manufacture.
- a heat exchanger unit according to claim 1 is proposed.
- FIG. 1 shows an exemplary design of a heat exchanger unit 1 according to the invention in a partially schematic view.
- the heat exchanger unit has a first heat exchanger 10, which is designed as a coolant cooler for a motor vehicle, and a second heat exchanger 12, which is designed as an air conditioning condenser for a motor vehicle. Also shown is a first header pipe 14 of the second heat exchanger 12, which here is designed in two parts in cross section perpendicular to its longitudinal axis, but can also be designed in one piece. In cross section perpendicular to the longitudinal axis, this first header pipe of the second heat exchanger 12 has an essentially circular shape. Furthermore, a heat exchanger block 16 is shown, which has a plurality of connecting tubes designed as flat tubes for the first heat exchanger 10 and a plurality of connecting tubes for the second heat exchanger 12.
- the connecting pipes 18 fluidically connect the first header pipe 20 of the first heat exchanger 10 to a second header pipe of the first heat exchanger 10, not shown.
- a bottom wall 22 which is part of a jacket wall 26 extending around the longitudinal axis 24 of the first heat exchanger 10, and faces in the second header pipe of the first heat exchanger 10, there are a large number of openings or slots for receiving the header pipes 18 which correspond to the first Heat exchangers 10 are provided.
- These slots 28 are asymmetrical with respect to the width 30, which is indicated schematically by the arrow 32 arranged. This asymmetry is such that its respective central axis, which is indicated schematically by reference numeral 34, is arranged closer to the second end 36 of the bottom wall 22 than the first end 38 of the bottom wall located at the other end.
- the second end 36 of the bottom wall 22 is adjoined by a second wall region 40, which extends on the side of the bottom wall 22 indicated by the arrow 42 which faces away from the second header pipe of the first heat exchanger 10. Furthermore, a first wall section or a first wall 44 extends from the first end 38 of the first header pipe 20 of the first heat exchanger 10, likewise on the side of the bottom wall 22 facing away from the second header pipe of the first heat exchanger 10.
- the wall 44 and the bottom wall 22 are each designed to be flat and are essentially perpendicular to one another.
- the wall 52 of the jacket wall 26 opposite the bottom wall 22 is essentially flat.
- the wall 40 is convexly curved.
- Fig. 1a the wall 44 is shown disassembled.
- the circumferential wall 26 is here designed in two parts and has a first, essentially U-shaped part, the bottom wall 22, the second wall 40 and that of the bottom wall 22 has opposite wall 52.
- the second part of this two-part design essentially has the first wall 54, which, however, has at its ends essentially vertically angled flanges 54, 56 which overlap in the assembled state. pend with the end regions of the bottom wall 22, or the wall 52 opposite the bottom wall are arranged.
- connection can be made, for example, by soldering or by welding, or by laser welding or by another suitable connection method.
- an axial end cover 56 is provided on the two axial end sides of the first header pipe 20 of the first heat exchanger 10, which is also shown disassembled here.
- This lid can also be attached, for example, using the connection method mentioned.
- connection piece 58 is shown in FIG. 1 a, which opens into the first wall, or an opening 60 provided there, and is thus connected in terms of flow technology to the inner tube of the first header tube 20 of the first heat exchanger 10.
- the second wall 40 which is convexly curved, has a flow-guiding function, so that it flows in the fluid flow of the fluid flowing through the inlet opening 58 in the direction of the connecting pipes or flat pipes 18 or in the FIGS Bottom wall 22 provided slots 66 promotes.
- FIG. 1 b shows the design according to FIG. 1 in the assembled state.
- 1c shows a top view of the design according to FIG. 1b. It can also be seen there in particular that the header pipe 14 of the first heat exchanger 12 is designed in two parts in the cross section perpendicular to the longitudinal axis. 1c that the center axis 34 of the connecting or flat tubes 18 of the first heat exchanger 10 is closer to the second end 36 of the bottom wall 22 than to the first end 38 of this bottom wall. This is illustrated in that the distance a illustrates the distance between this center line 34 and the first end 36, and the distance b shows the distance between this center line 34 and the first end 38.
- a is also shown first manifold 20 of the first heat exchanger 10, the manifold 14 of the second heat exchanger 12 contacts, which may be different, however, and in particular with a small distance.
- the second heat exchanger 12 has connecting pipes different from the connecting pipes 18 of the first heat exchanger, which are provided here with the reference symbol 70.
- 1c furthermore shows that the first header pipe 20 of the first heat exchanger 10 projects beyond the connecting or flat pipes 18 of the first heat exchanger in the direction facing the first wall 44.
- Connection pipes 18 of the first heat exchanger in each case in the same interior 80 of the first header pipe 20 of the first heat exchanger or of the second header pipe of the first heat exchanger 10.
- FIG. 2 essentially shows the design according to FIGS. 1a-1c, although the first side wall 44 is not shown there.
- An assembly tool according to the invention is to be explained in particular with reference to FIG. 2.
- FIG. 2 Shown in FIG. 2 is an assembly tool 90 for assembling a heat exchanger, which has a bottom wall 22, as well as a wall opposite the bottom wall and a wall 22 opposite it and the bottom wall 40, these walls essentially being or seen very roughly, form a U-shaped structure.
- the tool 90 has a tool body 92 which has a plurality of slots arranged in parallel and spaced apart in the axial direction at the sides.
- the tool 90 can be inserted into the U-shaped profile of the collecting tube 20, the U-shaped profile being held on the tool 90.
- the shape of the tool body 92 is substantially adapted to the corresponding U-shaped profile.
- the laterally arranged slots which extend out of the tool body 92 during assembly in the direction of the open side of the U-shape, serve to receive the flat tubes or connecting tubes 18.
- the U-shaped section of the collecting pipe 20 is gripped and placed with its openings or slots on the connecting pipes 18.
- the connecting tubes 18 then extend through the bottom wall 22 and protrude into the slots 94 of the tool body 92.
- the tool body or the tool can then be pulled out of the U-shaped part again, as is indicated schematically by arrow 100.
- the essentially continuous connecting slots 94 enable the tool 100 to be removed accordingly.
- the connecting or flat tubes 18 can be connected to the bottom wall 22, for example by soldering and / or welding.
- the first wall 44 can then be placed laterally and also with a suitable one Connection methods such as soldering and / or welding are attached to the U-shaped part.
- the end cover 56 can then then be put on.
- the applicant reserves the right to claim a method for manufacturing a heat exchanger for a motor vehicle that takes the aforementioned steps into account in the course of the examination procedure.
- FIG. 3 shows an exemplary design of a heat exchanger unit according to the invention, which in particular can also be designed according to FIGS. 1 a - 1 c, and / or can be such that it can be mounted with a tool according to FIG. 2.
- FIG 3 shows in particular that the cross section of the interior of the first header pipe 20 of the first heat exchanger 10 of the longitudinal axis 24 of this header pipe changes.
- the inlet connection 58 of the first heat exchanger 10 is arranged in a first axial end region 90 of the first header pipe 20 of the first heat exchanger 10, and the cross section of the interior of this first header pipe 20 is in the opposite direction End portion 92, the second end portion of the manifold 20, tapers.
- this is such that the wall 94 opposite the bottom wall 22 moves increasingly towards the bottom wall 22 in the direction of the second end region 92.
- This wall 52 opposite the bottom wall 22 is flat in the design according to FIG. 3.
- the cross-sectional profile in the direction of the longitudinal axis of the one collecting pipe, or in particular the first collecting pipe is adapted to the volume flow of the fluid that flows through this respective axial region of the respective collecting pipe.
- FIG. 4a shows an exemplary design according to the invention, which is similar to the design according to FIGS. 1a-1c and, if appropriate, can also be designed according to the design in FIG. 3.
- the first header pipe 20 of the first heat exchanger 10 is designed in one piece essentially in the cross section perpendicular to the longitudinal axis of this header pipe.
- FIG. 4b shows the design according to FIG. 4a in a perspective view.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
l o Wärmetauschereinheit für Kraftfahrzeugel o heat exchanger unit for motor vehicles
Die Erfindung betrifft eine Wärmetauschereinheit für Kraftfahrzeuge mit einem ersten Wärmetauscher, der zwei voneinander beabstandete, und im 15 Wesentlichen parallel angeordnete Sammelrohre aufweist, die über eine Vielzahl von parallel zueinander angeordneten und in Längsrichtung der Sammelrohre beabstandeten Verbindungsrohre strömungstechnisch miteinander verbunden sind.The invention relates to a heat exchanger unit for motor vehicles with a first heat exchanger, which has two spaced-apart and essentially parallel-arranged header pipes, which are connected to one another in terms of flow technology via a plurality of connecting tubes arranged parallel to one another and spaced in the longitudinal direction of the header pipes.
20 Derartige Wärmetauschereinheiten sind bereits bekannt. Sie werden beispielsweise als Kühlmittelkühler in Kraftfahrzeugen eingesetzt.Such heat exchanger units are already known. They are used, for example, as coolant coolers in motor vehicles.
Bei einer der Anmelderin bekannten Wärmetauschereinheit sind zwei Sammelrohre, die senkrecht zu ihrer Längsachse einen rechteckigen Querschnitt 25 aufweisen, über Verbindungsrohre verbunden. Bei dieser Gestaltung ist ein Einlass- und ein Auslassstutzen vorgesehen.In one heat exchanger unit known to the applicant, two header pipes, which have a rectangular cross section 25 perpendicular to their longitudinal axis, are connected via connecting pipes. In this design, an inlet and an outlet connection are provided.
Bei einer weiteren, der Anmelderin bekannten Gestaltung eines Wärmetauschers sind zwei zylindrische Sammelrohre über Verbindungsrohre strö- 30 mungstechnisch verbunden, wobei auch hier ein Einlass- und ein Auslassstutzen vorgesehen sind. Ferner ist der Anmelderin bekannt, dass zwei unterschiedliche Wärmetauscher zusammengefügt oder nah beieinander angeordnet sind, von denen der eine ein Kühlmittelkühler, und der andere ein Klimakondensator an der Klimaanlage ist.In a further design of a heat exchanger known to the applicant, two cylindrical header pipes are connected in terms of flow technology by means of connecting pipes, an inlet and an outlet connection being also provided here. The applicant is also aware that two different heat exchangers are assembled or arranged close to one another, one of which is a coolant cooler and the other is an air conditioning condenser on the air conditioning system.
35 Der Erfindung liegt die Aufgabe zugrunde, eine Wärmetauschereinheit für Kraftfahrzeuge zu schaffen, die betriebssicher ist, strömungstechnisch günstig gestaltet ist sowie kostengünstig herstellbar ist.35 The invention has for its object to provide a heat exchanger unit for motor vehicles, which is reliable, has a fluid flow design and is inexpensive to manufacture.
Erfindungsgemäß wird eine Wärmetauschereinheit gemäß Anspruch 1 vorgeschlagen.According to the invention, a heat exchanger unit according to claim 1 is proposed.
Im folgenden werden beispielhafte bzw. bevorzugte Gestaltungen der Erfindung anhand der Figuren näher beschrieben, wodurch die Erfindung nicht beschränkt werden soll.Exemplary or preferred configurations of the invention are described in more detail below with reference to the figures, which is not intended to limit the invention.
Fig. 1 zeigt eine beispielhafte Gestaltung einer erfindungsgemäßen Wärmetauschereinheit 1 in teilweise schematischer Ansicht.1 shows an exemplary design of a heat exchanger unit 1 according to the invention in a partially schematic view.
Die Wärmetauschereinheit weist einen ersten Wärmetauscher 10 auf, der als Kühlmittelkühler für ein Kraftfahrzeug gestaltet ist, sowie einen zweiten Wärmetauscher 12, der als Klimakondensator für ein Kraftfahrzeug gestaltet ist. Gezeigt ist ferner ein erstes Sammelrohr 14 des zweiten Wärmetauscher 12, das hier im Querschnitt senkrecht zu seiner Längsachse zweiteilig gestal- tet ist, jedoch auch einteilig gestaltet sein kann. Im Querschnitt senkrecht zur Längsachse weist dieses erste Sammelrohr des zweiten Wärmetauschers 12 eine im Wesentlichen kreisringförmige Gestalt auf. Ferner ist ein Wärmetauscherblock 16 gezeigt, der eine Vielzahl von als Flachrohre gestalteten Verbindungsrohre für den ersten Wärmetauscher 10 aufweist sowie eine Vielzahl von Verbindungsrohren für den zweiten Wärmetauscher 12.The heat exchanger unit has a first heat exchanger 10, which is designed as a coolant cooler for a motor vehicle, and a second heat exchanger 12, which is designed as an air conditioning condenser for a motor vehicle. Also shown is a first header pipe 14 of the second heat exchanger 12, which here is designed in two parts in cross section perpendicular to its longitudinal axis, but can also be designed in one piece. In cross section perpendicular to the longitudinal axis, this first header pipe of the second heat exchanger 12 has an essentially circular shape. Furthermore, a heat exchanger block 16 is shown, which has a plurality of connecting tubes designed as flat tubes for the first heat exchanger 10 and a plurality of connecting tubes for the second heat exchanger 12.
Die Verbindungsrohre 18 verbinden das erste Sammelrohr 20 des ersten Wärmetauschers 10 mit einem nicht dargestellten zweiten Sammelrohr des ersten Wärmetauschers 10 strömungstechnisch. In einer Bodenwand 22, die Bestandteil eines sich um die Längsachse 24 des ersten Wärmetauschers 10 erstreckenden Mantelwand 26 ist, und im zweiten Sammelrohr des ersten Wärmetauschers 10 zugewandt ist, ist eine Vielzahl von Öffnungen bzw. Schlitzen zur Aufnahme der Sammelrohre 18, die dem ersten Wärmetauscher 10 zugeordnet sind, vorgesehen. Diese Schlitze 28 sind bezüglich der Breite 30, die schematisch durch den Pfeil 32 angedeutet ist, asymmetrisch angeordnet. Diese Asymmetrie ist so, dass ihre jeweilige Mittelachse, die schematisch durch das Bezugszeichen 34 angedeutet ist, näher an dem zweiten Ende 36 der Bodenwand 22 angeordnet ist, als der am anderen Ende gelegenen ersten Ende 38 der Bodenwand.The connecting pipes 18 fluidically connect the first header pipe 20 of the first heat exchanger 10 to a second header pipe of the first heat exchanger 10, not shown. In a bottom wall 22, which is part of a jacket wall 26 extending around the longitudinal axis 24 of the first heat exchanger 10, and faces in the second header pipe of the first heat exchanger 10, there are a large number of openings or slots for receiving the header pipes 18 which correspond to the first Heat exchangers 10 are provided. These slots 28 are asymmetrical with respect to the width 30, which is indicated schematically by the arrow 32 arranged. This asymmetry is such that its respective central axis, which is indicated schematically by reference numeral 34, is arranged closer to the second end 36 of the bottom wall 22 than the first end 38 of the bottom wall located at the other end.
An das zweite Ende 36 der Bodenwand 22 schließt sich ein zweiter Wandbereich 40 an, der sich an der durch den Pfeil 42 angedeuteten Seite der Bodenwand 22 erstreckt, die dem zweiten Sammelrohr des ersten Wärmetauschers 10 abgewandt ist. Ferner erstreckt sich vom ersten Ende 38 des ers- ten Sammelrohres 20 des ersten Wärmetauschers 10 ein erster Wandabschnitt bzw. eine erste Wand 44, ebenfalls auf der dem zweiten Sammelrohr des ersten Wärmetauschers 10 abgewandten Seite der Bodenwand 22.The second end 36 of the bottom wall 22 is adjoined by a second wall region 40, which extends on the side of the bottom wall 22 indicated by the arrow 42 which faces away from the second header pipe of the first heat exchanger 10. Furthermore, a first wall section or a first wall 44 extends from the first end 38 of the first header pipe 20 of the first heat exchanger 10, likewise on the side of the bottom wall 22 facing away from the second header pipe of the first heat exchanger 10.
Die Wand 44 sowie die Bodenwand 22 sind jeweils eben gestaltet, und ste- hen im Wesentlichen senkrecht aufeinander. Die Wand 44 entfernt sich - in Richtung der Breite 32 der Bodenwand 22 gesehen - zunehmend vom ersten Ende 38 der Bodenwand, wenn man - wie durch den Pfeil 50 schematisch angedeutet - sich entlang dieser zweiten Wand im senkrecht zur Längsachse 24 gelegenen Ebene zunehmend dem ersten Ende 36 der Bo- denwand annähert. Die der Bodenwand 22 gegenüber gelegene Wand 52 der Mantelwand 26 ist im Wesentlichen eben gestaltet.The wall 44 and the bottom wall 22 are each designed to be flat and are essentially perpendicular to one another. The wall 44 - viewed in the direction of the width 32 of the bottom wall 22 - increasingly moves away from the first end 38 of the bottom wall, if - as indicated schematically by the arrow 50 - the first increasingly along this second wall in the plane perpendicular to the longitudinal axis 24 Approach the end wall 36. The wall 52 of the jacket wall 26 opposite the bottom wall 22 is essentially flat.
In der Gestaltung gemäß Fig. 1a ist die Wand 40 konvex gekrümmt.In the design according to FIG. 1a, the wall 40 is convexly curved.
In Fig. 1a ist die Wand 44 in demontiertem Zustand gezeigt.In Fig. 1a, the wall 44 is shown disassembled.
Im senkrecht zur Längsachse 24 des ersten Sammelrohrs 20 des ersten Wärmetauschers 10 gelegenen Querschnitt ist die Umfangswand 26 hier also zweiteilig gestaltet, und weist ein erstes, im Wesentlichen U-förmiges Teil auf, das die Bodenwand 22, die zweite Wand 40 sowie die der Bodenwand 22 gegenüber gelegene Wand 52 aufweist.In the cross section perpendicular to the longitudinal axis 24 of the first header pipe 20 of the first heat exchanger 10, the circumferential wall 26 is here designed in two parts and has a first, essentially U-shaped part, the bottom wall 22, the second wall 40 and that of the bottom wall 22 has opposite wall 52.
Das zweite Teil dieser zweiteiligen Gestaltung weist im Wesentlichen die erste Wand 54 auf, die allerdings an ihren Enden im Wesentlichen senkrecht abgewinkelte Flansche 54, 56 aufweist, die im montierten Zustand überlap- pend mit den Endbereichen der Bodenwand 22, bzw. der der Bodenwand gegenüber liegenden Wand 52 angeordnet sind.The second part of this two-part design essentially has the first wall 54, which, however, has at its ends essentially vertically angled flanges 54, 56 which overlap in the assembled state. pend with the end regions of the bottom wall 22, or the wall 52 opposite the bottom wall are arranged.
Die Verbindung kann beispielsweise durch Löten oder durch Schweißen, oder durch Laserschweißen oder mit einem anderen geeigneten Verbindungsverfahren erfolgen.The connection can be made, for example, by soldering or by welding, or by laser welding or by another suitable connection method.
An den beiden Axialendseiten des ersten Sammelrohrs 20 des ersten Wärmetauschers 10 ist im montierten Zustand ein axiale Abschlussdeckel 56 vorgesehen, der hier auch demontiert gezeigt ist. Auch dieser Deckel kann beispielsweise mit dem genannten Verbindungsverfahren angebracht werden.On the two axial end sides of the first header pipe 20 of the first heat exchanger 10, an axial end cover 56 is provided in the assembled state, which is also shown disassembled here. This lid can also be attached, for example, using the connection method mentioned.
Ferner ist in Fig. 1a ein Stutzen 58 gezeigt, der in die erste Wand, bzw. eine dort vorgesehene Öffnung 60, mündet, und somit strömungstechnisch mit dem Innenrohr des ersten Sammelrohres 20 des ersten Wärmetauschers 10 verbunden ist.Furthermore, a connection piece 58 is shown in FIG. 1 a, which opens into the first wall, or an opening 60 provided there, and is thus connected in terms of flow technology to the inner tube of the first header tube 20 of the first heat exchanger 10.
Wie durch die gestrichelte Linie 66 angedeutet, hat die zweite Wand 40, die konvex gekrümmt gestaltet ist, eine strömungsleitende Funktion, so dass sie in Fluidmittelfluss des durch die Einlassöffnung 58 einströmenden Fluids in Richtung der Verbindungsrohre bzw. Flachrohre 18, bzw. der in den Bodenwand 22 vorgesehenen Schlitze 66 fördert.As indicated by the dashed line 66, the second wall 40, which is convexly curved, has a flow-guiding function, so that it flows in the fluid flow of the fluid flowing through the inlet opening 58 in the direction of the connecting pipes or flat pipes 18 or in the FIGS Bottom wall 22 provided slots 66 promotes.
Fig. 1 b zeigt die Gestaltung gemäß Fig. 1 in montiertem Zustand.1 b shows the design according to FIG. 1 in the assembled state.
Fig. 1c zeigt eine Draufsicht der Gestaltung gemäß Fig. 1 b. Dort ist insbesondere auch zu erkennen, dass das Sammelrohr 14 des ersten Wärmetauschers 12 im senkrecht zur Längsachse gelegenen Querschnitt zweiteilig gestaltet ist. Ferner ist in Fig. 1c gut zu erkennen, dass die Mittelachse 34 der Verbindungs- bzw. Flachrohre 18 des ersten Wärmetauschers 10 näher an dem zweiten Ende 36 der Bodenwand 22 gelegen ist, als an dem ersten Ende 38 dieser Bodenwand. Dies ist dadurch verdeutlicht, indem der Abstand a den Abstand zwischen dieser Mittellinie 34 und dem ersten Ende 36 verdeutlicht, und der Abstand b den Abstand zwischen dieser Mittellinie 34 und dem ersten Ende 38. In der Gestaltung gemäß Fig. 1c ist ferner gezeigt, ein erstes Sammelrohr 20 des ersten Wärmetauschers 10, das Sammelrohr 14 des zweiten Wärmetauschers 12 kontaktiert, was allerdings auch anders gegeben sein kann, und insbesondere mit geringem Abstand.1c shows a top view of the design according to FIG. 1b. It can also be seen there in particular that the header pipe 14 of the first heat exchanger 12 is designed in two parts in the cross section perpendicular to the longitudinal axis. 1c that the center axis 34 of the connecting or flat tubes 18 of the first heat exchanger 10 is closer to the second end 36 of the bottom wall 22 than to the first end 38 of this bottom wall. This is illustrated in that the distance a illustrates the distance between this center line 34 and the first end 36, and the distance b shows the distance between this center line 34 and the first end 38. In the design according to FIG. 1c, a is also shown first manifold 20 of the first heat exchanger 10, the manifold 14 of the second heat exchanger 12 contacts, which may be different, however, and in particular with a small distance.
Ferner ist in Fig. 1c verdeutlicht, dass der zweite Wärmetauscher 12 von den Verbindungsrohren 18 des ersten Wärmetauschers verschiedene Verbindungsrohre aufweist, die hier mit dem Bezugszeichen 70 versehen sind.It is further clarified in FIG. 1 c that the second heat exchanger 12 has connecting pipes different from the connecting pipes 18 of the first heat exchanger, which are provided here with the reference symbol 70.
In Fig. 1c ist ferner gezeigt, dass das erste Sammelrohr 20 des ersten Wärmetauschers 10 in der der ersten Wand 44 zugewandten Richtung über die Verbindungs- bzw. Flachrohre 18 des ersten Wärmetauschers hinausragt.1c furthermore shows that the first header pipe 20 of the first heat exchanger 10 projects beyond the connecting or flat pipes 18 of the first heat exchanger in the direction facing the first wall 44.
Ferner ist in der Gestaltung gemäß Fig. 1c deutlich zu erkennen, dass die zweite Wand, bzw. der zweite Wandabschnitt des ersten Sammelrohres 20 des ersten Wärmetauschers 10 auf der dem zweiten Wärmetauscher zuge- wandten Seite des ersten Sammelrohres 20 angeordnet ist, und die erste Wand bzw. der erste Wandabschnitt 44 des ersten Sammelrohres 20 des ersten Wärmetauschers auf der diesem zweiten Wärmetauscher abgewandten Seite des ersten Sammelrohres 20 des ersten Wärmetauschers 10.1c that the second wall or the second wall section of the first header pipe 20 of the first heat exchanger 10 is arranged on the side of the first header pipe 20 facing the second heat exchanger, and the first Wall or the first wall section 44 of the first header pipe 20 of the first heat exchanger on the side of the first header pipe 20 of the first heat exchanger 10 facing away from this second heat exchanger.
In der Gestaltung gemäß den Fig. 1a bis 1c münden sämtliche Flach- bzw.In the design according to FIGS. 1a to 1c, all flat or
Verbindungsrohre 18 des ersten Wärmetauschers jeweils in den gleichen Innenraum 80 des ersten Sammelrohres 20 des ersten Wärmetauschers bzw. des zweiten Sammelrohres des ersten Wärmetauschers 10.Connection pipes 18 of the first heat exchanger in each case in the same interior 80 of the first header pipe 20 of the first heat exchanger or of the second header pipe of the first heat exchanger 10.
Es kann allerdings auch vorgesehen sein, dass der Innenraum 80 eines oder mehrere dieser Sammelrohre in verschiedene in Axialrichtung des betreffenden Sammelrohres beabstandete Abschnitte durch Zwischenwände unterteilt ist. Fig. 2 zeigt im Wesentlichen die Gestaltung gemäß den Fig. 1a - 1c, wobei allerdings dort die erste Seitenwand 44 nicht dargestellt ist. Anhand der Fig. 2 soll insbesondere ein erfindungsgemäßes Montagewerkzeug erläutert werden.However, it can also be provided that the interior 80 of one or more of these header pipes is divided into different sections spaced apart in the axial direction of the relevant header pipe by partition walls. FIG. 2 essentially shows the design according to FIGS. 1a-1c, although the first side wall 44 is not shown there. An assembly tool according to the invention is to be explained in particular with reference to FIG. 2.
Gezeigt ist in Fig. 2 ein Montagewerkzeug 90 zur Montage eines Wärmetauschers, der eine Bodenwand 22 aufweist, sowie eine der Bodenwand gegenüber liegende Wand und eine diese gegenüber liegende Wand 22 und die Bodenwand verbindende Wand 40, wobei diese Wände eine im Wesent- liehen, bzw. sehr grob gesehen, U-förmige Struktur bilden.Shown in FIG. 2 is an assembly tool 90 for assembling a heat exchanger, which has a bottom wall 22, as well as a wall opposite the bottom wall and a wall 22 opposite it and the bottom wall 40, these walls essentially being or seen very roughly, form a U-shaped structure.
Das Werkzeug 90 weist einen Werkzeugkörper 92 auf, der seitliche eine Vielzahl von parallel angeordneten und in Axialrichtung beabstandeten Schlitze aufweist. Das Werkzeug 90 kann in das U-förmige Profil des Sam- melrohres 20 eingeführt werden, wobei das U-förmige Profil am Werkzeug 90 gehalten wird. Insbesondere kann vorgesehen sein, dass der Werkzeugkörper 92 im Wesentlichen an das entsprechend U-förmige Profil in seiner Form angepasst wird.The tool 90 has a tool body 92 which has a plurality of slots arranged in parallel and spaced apart in the axial direction at the sides. The tool 90 can be inserted into the U-shaped profile of the collecting tube 20, the U-shaped profile being held on the tool 90. In particular, it can be provided that the shape of the tool body 92 is substantially adapted to the corresponding U-shaped profile.
Die seitlich angeordneten Schlitze, die bei der Montage in Richtung der offenen Seite der U-Form sich aus dem Werkzeugkörper 92 heraus erstrecken, dienen dazu, die Flachrohre bzw. Verbindungsrohre 18 aufzunehmen. Bei der Montage wird der U-förmige Abschnitt des Sammelrohres 20 gegriffen und mit seinen Öffnungen bzw. Schlitzen auf die Verbindungsrohre 18 auf- gesetzt. Die Verbindungsrohre 18 erstrecken sich dann durch die Bodenwand 22, und ragen in die Schlitze 94 des Werkzeugkörpers 92 hinein. Anschließend kann der Werkzeugkörper bzw. das Werkzeug, wie durch den Pfeil 100 schematisch angedeutet ist, wieder aus dem U-förmigen Teil herausgezogen werden. Die im Wesentlichen durchgehenden Verbindungs- schlitze 94 ermöglichen das entsprechende Abziehen des Werkzeugs 100. Vor oder nach dem Abziehen des Werkzeugs können die Verbindungs- bzw. Flachrohre 18 mit der Bodenwand 22 verbunden werden, wie beispielsweise verlötet und/oder verschweißt werden. Anschließend kann dann die erste Wand 44 seitlich aufgesetzt werden und ebenfalls mit einem geeigneten Verbindungsverfahren, wie Löten und/oder Schweißen an dem U-förmigen Teil befestigt werden.The laterally arranged slots, which extend out of the tool body 92 during assembly in the direction of the open side of the U-shape, serve to receive the flat tubes or connecting tubes 18. During assembly, the U-shaped section of the collecting pipe 20 is gripped and placed with its openings or slots on the connecting pipes 18. The connecting tubes 18 then extend through the bottom wall 22 and protrude into the slots 94 of the tool body 92. The tool body or the tool can then be pulled out of the U-shaped part again, as is indicated schematically by arrow 100. The essentially continuous connecting slots 94 enable the tool 100 to be removed accordingly. Before or after the tool is removed, the connecting or flat tubes 18 can be connected to the bottom wall 22, for example by soldering and / or welding. The first wall 44 can then be placed laterally and also with a suitable one Connection methods such as soldering and / or welding are attached to the U-shaped part.
Anschließend können dann die Abschlussdeckel 56 aufgesetzt werden.The end cover 56 can then then be put on.
Die Anmelderin behält sich vor, im Laufe des Prüfungsverfahrens ein die vorgenannten Schritte berücksichtigendes Verfahren zur Herstellung eines Wärmetauschers für ein Kraftfahrzeug zu beanspruchen.The applicant reserves the right to claim a method for manufacturing a heat exchanger for a motor vehicle that takes the aforementioned steps into account in the course of the examination procedure.
Fig. 3 zeigt eine beispielhafte Gestaltung einer erfindungsgemäßen Wärmetauschereinheit, die insbesondere auch gemäß den Fig. 1 a - 1c ausgestaltet sein kann, und/oder so sein kann, dass sie mit einem Werkzeug gemäß Fig. 2 montiert werden kann.FIG. 3 shows an exemplary design of a heat exchanger unit according to the invention, which in particular can also be designed according to FIGS. 1 a - 1 c, and / or can be such that it can be mounted with a tool according to FIG. 2.
In Fig. 3 ist insbesondere gezeigt, dass sich der Querschnitt des Innenraums des ersten Sammelrohres 20 des ersten Wärmetauschers 10 der Längsachse 24 dieses Sammelrohres verändert.3 shows in particular that the cross section of the interior of the first header pipe 20 of the first heat exchanger 10 of the longitudinal axis 24 of this header pipe changes.
Dies ist in der Gestaltung gemäß Fig. 3 so, dass der Einlassstutzen 58 des ersten Wärmetauschers 10 in einem ersten axialen Endbereich 90 des ersten Sammelrohres 20 des ersten Wärmetauschers 10 angeordnet ist, und der Querschnitt des Innenraumes dieses ersten Sammelrohres 20 sich in Richtung des entgegengesetzten Endbereiches 92, des zweiten Endbereiches des Sammelrohres 20, verjüngt.3, the inlet connection 58 of the first heat exchanger 10 is arranged in a first axial end region 90 of the first header pipe 20 of the first heat exchanger 10, and the cross section of the interior of this first header pipe 20 is in the opposite direction End portion 92, the second end portion of the manifold 20, tapers.
In der Gestaltung gemäß Fig. 3 ist dies so, dass sich die der Bodenwand 22 gegenüber liegende Wand 94 in Richtung des zweiten Endbereichs 92 zunehmend auf die Bodenwand 22 zu bewegt. Diese der Bodenwand 22 gegenüber liegende Wand 52 ist in der Gestaltung gemäß Fig. 3 eben gestal- tet.In the design according to FIG. 3, this is such that the wall 94 opposite the bottom wall 22 moves increasingly towards the bottom wall 22 in the direction of the second end region 92. This wall 52 opposite the bottom wall 22 is flat in the design according to FIG. 3.
Durch einen derartigen Wandveriauf kann berücksichtigt werden, dass das durch den Einlassstutzen 58 zuströmende Fluid teilweise durch den oberenWith such a wall distribution, it can be taken into account that the fluid flowing in through the inlet connection 58 partly through the upper one
Bereich gelegenen Verbindungsrohre abströmt, so dass im unteren, dem zweiten Endbereich 92 zugewandten Endbereich des Sammelrohres 20 eine geringere Fluidmenge strömt, und bei konstantem Querschnitt ein entsprechend hoher Druckabfall gegeben wäre.Connected pipes flows in the area, so that in the lower, the second end portion 92 facing end portion of the header 20 smaller amount of fluid flows, and a correspondingly high pressure drop would be given with a constant cross section.
In besonders bevorzugter Gestaltung ist der Querschnittsverlauf in Richtung der Längsachse des einen Sammelrohres, bzw. insbesondere des ersten Sammelrohres gesehen, an dem Volumenstrom des Fluids angepasst, dass dieser jeweiligen axialen Bereich des jeweiligen Sammelrohres durchströmt.In a particularly preferred embodiment, the cross-sectional profile in the direction of the longitudinal axis of the one collecting pipe, or in particular the first collecting pipe, is adapted to the volume flow of the fluid that flows through this respective axial region of the respective collecting pipe.
Fig. 4a zeigt eine beispielhafte, erfindungsgemäße Gestaltung, die der Ges- taltung gemäß den Fig. 1a - 1c ähnelt und gegebenenfalls weiter auch gemäß der Gestaltung in Fig. 3 ausgebildet sein kann.4a shows an exemplary design according to the invention, which is similar to the design according to FIGS. 1a-1c and, if appropriate, can also be designed according to the design in FIG. 3.
In der Gestaltung gemäß Fig. 4a ist im Unterschied zur Gestaltung gemäß den Fig. 1a - 1c vorgesehen, dass das erste Sammelrohr 20 des ersten Wärmetauschers 10 im wesentlichen im senkrecht zur Längsachse dieses Sammelrohrs gelegenen Querschnitt einstückig gestaltet ist.In the design according to FIG. 4a, in contrast to the design according to FIGS. 1a-1c, it is provided that the first header pipe 20 of the first heat exchanger 10 is designed in one piece essentially in the cross section perpendicular to the longitudinal axis of this header pipe.
Fig. 4b zeigt die Gestaltung gemäß Fig. 4a in perspektivischer Ansicht. FIG. 4b shows the design according to FIG. 4a in a perspective view.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10339663A DE10339663A1 (en) | 2003-08-28 | 2003-08-28 | Heat exchanger unit for motor vehicles |
| PCT/EP2004/009541 WO2005024332A1 (en) | 2003-08-28 | 2004-08-26 | Heat exchanging unit for motor vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1668304A1 true EP1668304A1 (en) | 2006-06-14 |
| EP1668304B1 EP1668304B1 (en) | 2016-06-29 |
Family
ID=34202155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04764516.3A Expired - Lifetime EP1668304B1 (en) | 2003-08-28 | 2004-08-26 | Heat exchanging unit for motor vehicles |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20070068660A1 (en) |
| EP (1) | EP1668304B1 (en) |
| JP (1) | JP2007504423A (en) |
| CN (1) | CN1842690A (en) |
| DE (1) | DE10339663A1 (en) |
| WO (1) | WO2005024332A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090062185A (en) * | 2007-12-12 | 2009-06-17 | 현대자동차주식회사 | Car heating |
| DE102009047620C5 (en) * | 2009-12-08 | 2023-01-19 | Hanon Systems | Heat exchanger with tube bundle |
| US20130199288A1 (en) * | 2012-02-02 | 2013-08-08 | Visteon Global Technologies, Inc. | Fluid flow distribution device |
| DE102014215908A1 (en) * | 2014-08-11 | 2016-02-11 | Mahle International Gmbh | Heat exchanger and pipe |
| DE102017109708A1 (en) * | 2017-05-05 | 2018-11-08 | Benteler Automobiltechnik Gmbh | Cooling arrangement, fluid collector for a cooling arrangement and method for producing a fluid collector |
| CN120846110A (en) * | 2020-09-29 | 2025-10-28 | 台达电子工业股份有限公司 | Water cooling device and collector |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5228512A (en) * | 1991-04-02 | 1993-07-20 | Modine Manufacturing Company | Aluminum charge air cooler and method of making the same |
| JPH0979787A (en) * | 1995-09-18 | 1997-03-28 | Showa Alum Corp | Heat exchanger |
| DE19601276A1 (en) * | 1996-01-16 | 1997-07-17 | Behr Gmbh & Co | Collector chamber for heat transfer unit |
| JPH09250894A (en) * | 1996-03-14 | 1997-09-22 | Calsonic Corp | Heat exchanger |
| US6095239A (en) * | 1996-08-12 | 2000-08-01 | Calsonic Kansei Corporation | Integral-type heat exchanger |
| US6209628B1 (en) * | 1997-03-17 | 2001-04-03 | Denso Corporation | Heat exchanger having several heat exchanging portions |
| JP4062775B2 (en) * | 1998-02-24 | 2008-03-19 | 株式会社デンソー | Double heat exchanger |
| JPH11337292A (en) * | 1998-05-27 | 1999-12-10 | Zexel:Kk | Heat exchanger |
| US6129146A (en) * | 1999-05-17 | 2000-10-10 | Krueger; David L. | Manifold for a brazed radiator |
| US6374911B1 (en) * | 1999-06-17 | 2002-04-23 | Modine Manufacturing Company | Charge air cooler and method of making the same |
| US6116335A (en) * | 1999-08-30 | 2000-09-12 | Delphi Technologies, Inc. | Fluid flow heat exchanger with reduced pressure drop |
| JP4399925B2 (en) * | 1999-10-21 | 2010-01-20 | 株式会社デンソー | Method for forming sacrificial corrosion layer, heat exchanger, and dual heat exchanger |
| JP3678159B2 (en) * | 2001-03-23 | 2005-08-03 | 株式会社デンソー | Heat exchanger |
| US7527087B2 (en) * | 2003-06-30 | 2009-05-05 | Valeo, Inc. | Heat exchanger |
| JP2005233576A (en) * | 2004-02-23 | 2005-09-02 | Denso Corp | Heat exchanger |
-
2003
- 2003-08-28 DE DE10339663A patent/DE10339663A1/en not_active Withdrawn
-
2004
- 2004-08-26 CN CNA2004800244640A patent/CN1842690A/en active Pending
- 2004-08-26 WO PCT/EP2004/009541 patent/WO2005024332A1/en not_active Ceased
- 2004-08-26 JP JP2006524331A patent/JP2007504423A/en not_active Withdrawn
- 2004-08-26 US US10/569,893 patent/US20070068660A1/en not_active Abandoned
- 2004-08-26 EP EP04764516.3A patent/EP1668304B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005024332A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070068660A1 (en) | 2007-03-29 |
| JP2007504423A (en) | 2007-03-01 |
| CN1842690A (en) | 2006-10-04 |
| EP1668304B1 (en) | 2016-06-29 |
| WO2005024332A1 (en) | 2005-03-17 |
| DE10339663A1 (en) | 2005-03-24 |
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