DE102008062420A1 - Cooler, particularly underbody cooler for motor vehicle, has base plate and cover plate, where pattern is molded in upper surface of base plate - Google Patents
Cooler, particularly underbody cooler for motor vehicle, has base plate and cover plate, where pattern is molded in upper surface of base plate Download PDFInfo
- Publication number
- DE102008062420A1 DE102008062420A1 DE102008062420A DE102008062420A DE102008062420A1 DE 102008062420 A1 DE102008062420 A1 DE 102008062420A1 DE 102008062420 A DE102008062420 A DE 102008062420A DE 102008062420 A DE102008062420 A DE 102008062420A DE 102008062420 A1 DE102008062420 A1 DE 102008062420A1
- Authority
- DE
- Germany
- Prior art keywords
- bottom plate
- cooling device
- plate
- base plate
- pattern
- 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.)
- Withdrawn
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
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/048—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
-
- 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
- F28D1/0246—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 heat-exchange elements having several adjacent conduits forming a whole, e.g. blocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
-
- 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
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
-
- 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
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/0263—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by varying the geometry or cross-section of header box
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2070/00—Details
- F01P2070/52—Details mounting heat-exchangers
-
- 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
- F28D2021/0092—Radiators with particular location on vehicle, e.g. under floor or on roof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
- F28F2255/16—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes extruded
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
Die Erfindung betrifft eine Kühlvorrichtung – insbesondere einen Unterbodenkühler für ein Kraftfahrzeug – mit einer Bodenplatte sowie einer dieser zugeordneten Deckplatte, wobei an die Bodenplatte im Bereich einer ihrer Flächen zueinander etwa parallele Rippen angeformt sind, die jeweils paarweise eine Nut begrenzen, nach dem Oberbegriff des Patentanspruches 1.The The invention relates to a cooling device - in particular a underfloor radiator for a motor vehicle - with a bottom plate and one of these associated cover plate, wherein to the bottom plate in the region of one of their surfaces to each other approximately parallel ribs are formed, each in pairs one Limit groove, according to the preamble of claim 1.
Eine
solche Vorrichtung ist der
Aufgrund der Leistungs- und Reichweitenerhöhung der derzeitigen Generation von Brennstoffzellen- und Hybridfahrzeugen wird ein zusätzliches Kühlelement in deren Unterbodenbereich benötigt. Aus der Praxis ist dafür ein Unterbodenkühler (underfloor radiator) aus einer Grundplatte sowie einer Deckplatte bekannt. Die Aluminiumgrundplatte beinhaltet hierbei Kühlrippen, welche durch Extrusion erzeugt werden. Die zwischen diesen verlaufenden Kühlkanäle werden durch jene Deckplatte geschlossen. Ein mit einem Flussmittel durchströmter Kühlkanal wird in die Grundplatte, die Deckplatte oder in beide Platten eingebracht.by virtue of the performance and range increase of the current Generation of fuel cell and hybrid vehicles becomes an additional cooling element needed in their underbody area. Out of practice for a underfloor radiator from a base plate and a cover plate known. The aluminum base plate this includes cooling fins, which are produced by extrusion become. The cooling channels running between them are closed by that cover plate. One with a flux flowed through cooling channel is in the base plate, the cover plate or placed in both plates.
In Kenntnis dieser Gegebenheit hat sich der Erfinder das Ziel gesetzt, die Effizienz einer solchen Kühlvorrichtung zu verbessern sowie ihren Aufbau und ihre Handhabung zu vereinfachen.In Knowing this fact, the inventor set himself the goal to improve the efficiency of such a cooling device and to simplify their structure and handling.
Zur Lösung dieser Aufgabe führt die Lehre des unabhängigen Anspruches; die Unteransprüche geben günstige Weiterbildungen an. Zudem fallen in den Rahmen der Erfindung alle Kombinationen aus zumindest zwei der in der Beschreibung, der Zeichnung und/oder den Ansprüchen offenbarten Merkmale. Bei angegebenen Benennungsbereichen sollen auch innerhalb der genannten Grenzen liegende Werte als Grenzwerte offenbart und beliebig einsetzbar sein.to Solving this task leads the doctrine of the independent claim; the dependent claims give favorable Further education. In addition, all fall within the scope of the invention Combinations of at least two in the description, the drawing and / or the features disclosed features. At specified Naming ranges should also be within the limits mentioned lying values are disclosed as limits and can be used arbitrarily be.
Zur Lösung der vom Erfinder gesehenen Aufgabe ist in eine Oberfläche der Bodenplatte, welche zu deren anderen – die Rippen enthaltenden – Fläche in Abstand liegt, innerhalb eines sie umgebenden Rahmens ein Muster eingeformt, das zumindest eine Flachrinne enthält; diese dient dem Durchfluss von Kühlflüssigkeit. Dieser Flachrinne ist ein Zugangselement für eine Strömung zugeordnet.to Solution to the problem seen by the inventor is in a surface the bottom plate leading to its other surface containing the ribs Distance is a pattern within a surrounding frame molded, which contains at least one flat trough; these serves for the flow of coolant. This Flat trough is an entry element for a current assigned.
Erfindungsgemäß ist zudem in die etwa rechteckige Oberfläche der Bodenplatte ein mäanderartiges Muster mit parallel zu deren Querkanten verlaufenden Stabanformungen zur Begrenzung einer aus mehreren Flachrinnen zusammengesetzten Rinne angeformt.According to the invention also in the approximately rectangular surface of the bottom plate a meandering pattern with parallel to their transverse edges running Stabanformungen for limiting a composite of several flats trough formed.
Bei einer anderen erfindungsgemäßen Ausgestaltung sind in die Oberfläche der Bodenplatte als Muster miteinander verbundene Kanäle eingeformt, welche zungenartig ausgebildete Stegflächen begrenzen, die beispielsweise parallel zu den Querkanten der Bodenplatte verlaufen. Zudem hat es sich als günstig erwiesen, das Muster jeweils innerhalb eines dieses umgebenden Rahmens der Bodenplatte anzuordnen.at another embodiment of the invention are in the surface of the bottom plate as a pattern with each other molded channels formed which tongue-like Limit web areas, for example, parallel to the Cross edges of the bottom plate run. In addition, it has to be cheap proved the pattern respectively within a surrounding frame to arrange the bottom plate.
Der Oberfläche der Bodenplatte ist erfindungsgemäß eine – die Rinnen bzw. Kanäle überspannende – Deckplatte zugeordnet, die nahe ihrer Querkanten Durchbrüche zur Strömungssteuerung aufweist; diese Durchbrüche dienen der Führung eines Flüssigkeitsstromes, wie eines Wasser- oder Kühlflüssigkeitsstromes, der beispielsweise Glykole enthält.Of the Surface of the bottom plate is according to the invention a - Channels or channels spanning - cover plate associated, which has near its transverse edges breakthroughs for flow control; these breakthroughs serve to guide a liquid flow, such as a stream of water or coolant, which contains, for example, glycols.
Bei einer weiteren erfindungsgemäßen Ausgestaltung sind in die Oberfläche der Bodenplatte miteinander verbundene Kanäle eingeformt, die zungenartig ausgebildete Stegflächen begrenzen; letztere verlaufen bevorzugt quer zu den Querkanten sowie parallel zu Randstreifen der Bodenplatte. Bei dieser Ausführung soll der Oberfläche der Bodenplatte eine Zwischenplatte zugeordnet sein, die zwischen den Randstreifen der Bodenplatte festlegbar ist sowie quer zu deren Stegflächen verlaufende Querschlitze als Strömungszuführung enthält. Zudem liegt in diesem Beispiel der Bodenplatte bzw. deren Zwischenplatte eine von Durchbrüchen freie – also eine geschlossene – Deckplatte auf.at a further embodiment of the invention are interconnected in the surface of the bottom plate Channels molded, the tongue-like web surfaces limit; the latter preferably run transversely to the transverse edges as well parallel to edge strips of the base plate. In this version should the surface of the bottom plate an intermediate plate be assigned, which can be fixed between the edge strips of the bottom plate is transverse to its web surfaces extending transverse slots contains as a flow supply. moreover lies in this example, the bottom plate or its intermediate plate one of breakthroughs - so a closed - cover plate on.
Auch liegt es im Rahmen der Erfindung, dass der Bodenplatte – bzw. in deren Längsachse verlaufenden Kanälen – eine an letztere angeschlossene Düse vorgesetzt ist, die sich von einem Anschlussbereich zu einer andernends vorgesehenen Düsenöffnung hin längsschnittlich verjüngt; jener Anschlussbereich der Düse wird von einer an die Frontfläche der Bodenplatte anlegbar gestalteten Rückenfläche gebildet.Also It is within the scope of the invention that the bottom plate - or in the longitudinal axis extending channels - a is attached to the latter connected nozzle, which is from one connection area to another nozzle opening provided longitudinally tapered; that connection area the nozzle is from one to the front surface of the Bottom plate created landscaped back surface formed.
Als günstig hat es sich erwiesen, die Düse aus einer Firstplatte sowie einer Bodenplatte jeweils dreiecksförmiger Gestaltung zu fertigen, die durch zur Düsenöffnung hin sich verjüngende Seitenwände verbunden sind.When It has proven favorable, the nozzle of a Ridge plate and a bottom plate each triangular Design to be made through to the nozzle opening towards tapered side walls are connected.
Vorteilhafterweise ist jener Anschlussbereich von einem Endkragen umgeben und dieser auf die eine Stufenfläche enthaltende Sockelplatte so aufschiebbar gestaltet, dass beide Teile in Endstellung fest verbunden sind.Advantageously, that connection area Surrounded by an end collar and this on the one step surface containing base plate designed so pushed that both parts are firmly connected in the final position.
In anderer Ausgestaltung kann an den Anschlussbereich ein größeres Einschubrohr angeformt sein, das in eine Einschuböffnung an der Frontfläche der Sockelplatte einschiebbar gestaltet ist und so ebenfalls einen klemmenden Halt erzeugt.In another embodiment may be a larger at the connection area Insertion tube to be formed, which in an insertion opening designed to be insertable on the front surface of the base plate is and thus also produces a clamping stop.
Schließlich ist es möglich, an den Anschlussbereich mehrere Steckrohre anzuformen, die in die Kanäle der Bodenplatte eingeschoben werden können.After all It is possible to connect several plug pipes to the connection area to mold, which is inserted into the channels of the bottom plate can be.
Die Kühlrippen und die Kühlkanäle werden in einer Aluminiumplatte extrudiert und anschließend in geeigneter Weise überarbeitet, damit der Kühlkreislauf des Fahrzeuges mittels Adapter an die Kühlkanäle des Unterbodenkühlers angeschlossen zu werden vermag.The Cooling fins and the cooling channels are extruded in an aluminum plate and then in a suitable Revised so that the cooling circuit of the Vehicle by means of adapter to the cooling channels of Underbody cooler can be connected.
Die Zwei-Platten-Version bietet die folgenden Details an:
- – Boden- und Deckplatte werden durch Schweißen, Kleben oder Löten miteinander dicht verbunden;
- – die Bodenplatte besteht aus einem extrudierten Aluminiumprofil mit Kühlrippen,
- – die Deckplatte aus beliebigem Material, z. B. aufgrund der Fügbarkeit aus Aluminium, welches den Unterbodenkühler dicht verschließt.
- - Floor and cover plate are sealed together by welding, gluing or soldering;
- - The bottom plate consists of an extruded aluminum profile with cooling fins,
- - The cover plate made of any material, eg. B. due to the availability of aluminum, which closes the underbody cooler tight.
Die Kühlkanäle können in die Bodenplatte, die Deckplatte oder in beide Platten eingeformt werden. Dies erfolgt durch spanende Verfahren wie Fräsen, durch Tiefziehen, Prägen oder durch Hydroformen od. dgl.. Ein Adapter gewährleistet die Anbindung an den Kühlkreislauf unter Reduzierung von Druckverlusten und Vermeidung von Totwassergebieten.The Cooling channels can enter the bottom plate, the Cover plate or molded in both plates. this happens by machining processes such as milling, deep drawing, Embossing or by hydroforming od. Like. An adapter guaranteed the connection to the cooling circuit while reducing pressure losses and avoidance of dead water areas.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung; diese zeigt inFurther Advantages, features and details of the invention will become apparent the following description of preferred embodiments as well as from the drawing; this shows in
Eine
aus Leichtmetall geformte in Draufsicht rechteckige Bodenplatte
Die
Ober- oder Firstfläche
Den
Das
Muster
Der mäanderförmige Kühlkreislauf des Unterbodenkühlers wird über – hier nicht gezeigte – Adapter an das Kühlsystem des Fahrzeuges angeschlossen.Of the Meander-shaped cooling circuit of the underbody cooler is about - not shown - adapter connected to the cooling system of the vehicle.
Diese
Leichtmetall- oder Bodenplatte
Eine ähnliche
Leichtmetallplatte
Die
Düse
Statt
eines kragenförmigen Einschubrohres
Die
Düse
Die
ebenfalls aus Aluminium stranggepresste Leichtmetall- oder Bodenplatteplatte
Ein
Energiefluss-Diagramm bei Konstantfahrt von etwa 160 km/h des mit
dem erfindungsgemäßen Radiator versehenen Fahrzeuges
ist beispielhaft für die Motorkühlung von Fahrzeugen
und Brennstoffzellen bzw. Hybridantriebe in
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - EP 0890810 B1 [0002] EP 0890810 B1 [0002]
Claims (17)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008062420A DE102008062420A1 (en) | 2008-12-12 | 2008-12-17 | Cooler, particularly underbody cooler for motor vehicle, has base plate and cover plate, where pattern is molded in upper surface of base plate |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008061754.7 | 2008-12-12 | ||
DE102008061754 | 2008-12-12 | ||
DE102008062420A DE102008062420A1 (en) | 2008-12-12 | 2008-12-17 | Cooler, particularly underbody cooler for motor vehicle, has base plate and cover plate, where pattern is molded in upper surface of base plate |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008062420A1 true DE102008062420A1 (en) | 2010-06-17 |
Family
ID=42168743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102008062420A Withdrawn DE102008062420A1 (en) | 2008-12-12 | 2008-12-17 | Cooler, particularly underbody cooler for motor vehicle, has base plate and cover plate, where pattern is molded in upper surface of base plate |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102008062420A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3129717A1 (en) * | 2021-11-29 | 2023-06-02 | Valeo Systemes Thermiques | HEAT EXCHANGER FOR ELECTRIC OR HYBRID VEHICLES |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0890810B1 (en) | 1997-07-11 | 2004-04-21 | Volkswagen Aktiengesellschaft | Automotive vehicle with heat exchanger under the floor |
-
2008
- 2008-12-17 DE DE102008062420A patent/DE102008062420A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0890810B1 (en) | 1997-07-11 | 2004-04-21 | Volkswagen Aktiengesellschaft | Automotive vehicle with heat exchanger under the floor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3129717A1 (en) * | 2021-11-29 | 2023-06-02 | Valeo Systemes Thermiques | HEAT EXCHANGER FOR ELECTRIC OR HYBRID VEHICLES |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20110701 |