DE102006031675A1 - Production of a corrugated turbulence metal sheet for a flat tube used in heat exchangers comprises feeding a flat strip continuously to a first station in the advancing direction, forming separating sections and further processing - Google Patents
Production of a corrugated turbulence metal sheet for a flat tube used in heat exchangers comprises feeding a flat strip continuously to a first station in the advancing direction, forming separating sections and further processing Download PDFInfo
- Publication number
- DE102006031675A1 DE102006031675A1 DE200610031675 DE102006031675A DE102006031675A1 DE 102006031675 A1 DE102006031675 A1 DE 102006031675A1 DE 200610031675 DE200610031675 DE 200610031675 DE 102006031675 A DE102006031675 A DE 102006031675A DE 102006031675 A1 DE102006031675 A1 DE 102006031675A1
- Authority
- DE
- Germany
- Prior art keywords
- flat
- turbulence
- flat tube
- station
- offset
- 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- Withdrawn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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Herstellung eines Turbulenzbleches nach dem Oberbegriff des Patentanspruches 1, ein Flachrohr mit Turbulenzblech sowie ein Verfahren zur Herstellung eines Flachrohres mit Turbulenzblech nach dem Oberbegriff des Patentanspruches 6.The The invention relates to a method for producing a turbulence sheet according to the preamble of claim 1, a flat tube with turbulence plate and a method for producing a flat tube with turbulence plate according to the preamble of claim 6.
Turbulenzbleche, auch Turbulenzeinlagen genannt, sind bei Wärmeübertragern bekannt: sie dienen primär der Erzeugung einer turbulenten Strömung des Wärmeübertragermediums, indem sie durch ihre versetzt angeordneten Kanten die laminare Strömung des Mediums immer wieder aufbrechen. Turbulenzbleche werden vorzugsweise in Flachrohre von Wärmeübertragern oder bei Scheibenwärmeübertragern eingesetzt und können auch mit den Wänden der Rohre bzw. Scheiben verlötet werden, so dass sie auch der Erhöhung der Innendruckfestigkeit infolge Zugankerwirkung dienen. Turbulenzbleche haben meist eine bevorzugte Strömungsrichtung mit einem relativ geringen Strömungswiderstand und eine weitere Durchströmungsrichtung mit einem erhöhten Strömungswiderstand. Turbulenzbleche werden auch als Innenberippung bezeichnet, da sie eine Vergrößerung der Wärmeaustauschfläche bewirken.Turbulence plates, Also called turbulence inserts are known in heat exchangers: they serve primary generating a turbulent flow of the heat transfer medium by passing through their staggered edges increase the laminar flow of the Medium always break up. Turbulence sheets are preferably in flat tubes of heat exchangers or with disk heat exchangers used and can also with the walls soldered to the pipes or disks so they too are raising the internal compressive strength due Zugankerwirkung serve. Have turbulence sheets usually a preferred flow direction with a relatively low flow resistance and another flow direction with an elevated Flow resistance. Turbulence sheets are also referred to as internal ribbing, as they are an enlargement of the Cause heat exchange surface.
Durch
die
Turbulenzbleche
können – wie erwähnt – als Einzelteile
in einen Strömungskanal,
z. B. ein Flachrohr eingesetzt und mit diesem verlötet werden.
Für eine
aus einem Blechstreifen geformte, wellenförmige Innenberippung ist es
bekannt, dass die gewellte Innenrippe quasi in die Rohrwandung eingewickelt, d.
h. in das Flachrohr integriert wird. Entsprechende Ausbildungen
von einstückiger
Innenrippe mit Flachrohr gehen aus folgenden Druckschriften hervor:
Ein
Verfahren zur Herstellung eines Turbulenzbleches wurde durch die
Es ist Aufgabe der vorliegenden Erfindung, ein Verfahren der eingangs genannten Art dahingehend zu verbessern, dass eine bessere Materialausnutzung erreicht wird und damit gleichzeitig die Herstellkosten für das Verfahrenserzeugnis gesenkt werden. Ferner ist es Aufgabe der Erfindung, ein Flachrohr mit Turbulenzeinlage, insbesondere hinsichtlich seiner Herstellung vereinfachen und bezüglich der Herstellkosten zu reduzieren.It Object of the present invention, a method of the initially mentioned type to improve that a better material utilization is reached and thus simultaneously the production costs for the process product be lowered. It is another object of the invention, a flat tube with turbulence insert, in particular with regard to its production simplify and re reduce the manufacturing costs.
Diese Aufgabe wird zunächst durch die Merkmale des Patentanspruches 1 gelöst. Erfindungsgemäß wird ein Flachband einer ersten Station kontinuierlich zugeführt, wo quer zur Vorschubrichtung des Flachbandes angeordnete Trennschnitte nach einem bestimmten Muster eingebracht werden, beispielsweise durch Schlitzen oder Scheren des Flachbandmaterials. Nach diesem ersten Verfahrensschritt wird das Flachband in einer zweiten Station gestreckt, indem es auf eine geringere Dicke heruntergewalzt wird. Dabei entfernen sich die Schnittkanten der Trennschnitte voneinander, so dass Öffnungen im Bereich der Trennschnitte entstehen. Gleichzeitig wird eine Verfestigung des Materials und eine größere Länge erreicht.These Task is first solved by the features of claim 1. According to the invention is a Ribbon fed continuously to a first station where according to the feed direction of the flat strip arranged separating cuts after be introduced in a specific pattern, for example by Slitting or shearing the ribbon material. After this first Step, the ribbon is stretched in a second station, by being rolled down to a smaller thickness. Remove it The cut edges of the cuts are separated from each other, leaving openings arise in the area of separating cuts. At the same time, a solidification of the material and reaches a greater length.
Nach einer weiteren Ausgestaltung der Erfindung werden in einer dritten Station Wellungen in das Flachband eingeformt, welche in Vorschubrichtung gesehen durchgehende Strömungskanäle bilden. Anschließend daran wird in einem weiteren Verfahrensschritt ein Versatz in jede zweite Wellenreihe eingeformt, und zwar jeweils zwischen zwei in x-Richtung aufeinander folgenden Trennschnitten. Damit entstehen in den Strömungskanälen des Turbulenzbleches versetzte Anströmkanten, welche die Turbulenz der Strömung erhöhen.According to a further embodiment of the invention, corrugations are formed in the flat strip in a third station, which form continuous flow channels seen in the feed direction. Subsequently, in an additional method step, an offset is formed in each second row of corrugations, in each case between two consecutive separating sections in the x-direction. In order to arise in the flow channels of the turbulence plate offset leading edges, which increase the turbulence of the flow.
Die Aufgabe der Erfindung wird auch durch die Merkmale des Patentanspruches 3 gelöst. Erfindungsgemäß ist das Turbulenzblech einstückig mit dem Flachrohr ausgebildet. Vorteilhafterweise wird das Flachrohr durch zwei Wandabschnitte gebildet, welche beiderseits an das Turbulenzblech anschließen, dieses umhüllen und längsseitig mittels einer Lot- oder Schweißnaht geschlossen werden. Da das Turbulenzblech vorzugsweise nach dem oben erwähnten Verfahren herstellbar ist, weist es versetzte Anströmkanten auf, welche die Turbulenz der Strömung und damit den Wärmeübergang auf der Rohrinnenseite erhöhen.The The object of the invention is also characterized by the features of claim 3 solved. This is according to the invention Turbulence sheet in one piece formed with the flat tube. Advantageously, the flat tube formed by two wall sections, which on both sides of the turbulence plate connect, envelop this and alongside by means of a solder or weld getting closed. Since the turbulence plate preferably after the mentioned above Method can be produced, it has offset leading edges on which the turbulence of the flow and thus the heat transfer on the inside of the pipe.
Die Aufgabe der Erfindung wird auch durch ein Verfahren mit den Merkmalen des Patentanspruches 6 gelöst, wonach ein Flachrohr mit integrierter Turbulenzeinlage einstückig herstellbar ist. Dabei wird ein Flachband größerer Breite als bei der Herstellung des Turbulenzbleches allein verwendet. Die beiderseits des mittleren Flachbandstreifens angrenzenden Flachbandränder werden von entgegengesetzten Seiten um das Turbulenzblech herum gelegt, und zum Schluss wird das Flachrohr durch Längsschweiß- oder Längslötnähte geschlossen. Mit dem erfindungsgemäßen Verfahren wird der Vorteil erreicht, dass ein Turbulenzblech mit versetzten Anströmkanten einstückig mit einem Flachrohr herstellbar ist, d. h. es entfällt das Einschieben und Positionieren eines separaten Turbulenzbleches. Damit können auch die Herstellkosten gesenkt werden.The The object of the invention is also achieved by a method having the features of claim 6 solved, after which a flat tube with integrated turbulence insert can be produced in one piece is. This is a flat ribbon of greater width used alone in the manufacture of the turbulence plate. The both sides of the middle ribbon strip adjacent ribbon edges are from opposite sides around the turbulence sheet, and Finally, the flat tube is closed by longitudinal welding or longitudinal soldering seams. With the method according to the invention the advantage is achieved that a turbulence plate with staggered leading edges one piece can be produced with a flat tube, d. H. it eliminates that Insertion and positioning of a separate turbulence plate. With that you can also the production costs are lowered.
Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und werden im Folgenden näher erläutert. Es zeigenembodiments The invention are illustrated in the drawing and are explained in more detail below. It demonstrate
Ausgangsmaterial
für die
Herstellung des Turbulenzbleches ist gemäß
Es ist allerdings auch möglich, die Trennschnitte durch Lochstanzen herzustellen, wie dies in der zeitgleichen parallelen Patentanmeldung der Anmelderin (internes Aktenzeichen: 05-B-186) beschrieben ist. Die Trennschnitte können vorzugsweise durch Lochstanzen hergestellt werden, was auf einem entsprechend ausgebildeten Rollensatz erfolgt, welcher auf seinem Umfang angeordnete Stempel (Matrizen und Patrizen) aufweist. Beim Lochstanzen beispielsweise wird – im Gegensatz zu dem bekannten Scheren oder Schlitzen – Material aus dem ebenen Blechstreifen ausgestanzt. Vorteilhaft hierbei ist eine saubere, klar definierte Schnittkante. Durch die Trennschnitte wird die Herstellung von versetzten Wellungen erleichtert.It but it is also possible to make the cuts by punching, as in the simultaneous parallel patent application of the applicant (internal Reference: 05-B-186). The separating cuts may preferably produced by hole punching, resulting in a corresponding trained set of rollers, which is arranged on its circumference Stamp (dies and male) has. For example, when punching will - in Contrary to the known scissors or slits - material punched out of the flat sheet metal strip. An advantage here is a clean, clearly defined cutting edge. Through the cuts is facilitates the production of offset corrugations.
Anschließend wird
das Flachband
Das
Flachrohr
Abweichungen
von dem dargestellten Verfahren zur Erzielung eines modifizierten
Flachrohres mit integrierter Turbulenzeinlage sind möglich: Beispielsweise
muss der Abschnitt
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610031675 DE102006031675A1 (en) | 2006-07-08 | 2006-07-08 | Production of a corrugated turbulence metal sheet for a flat tube used in heat exchangers comprises feeding a flat strip continuously to a first station in the advancing direction, forming separating sections and further processing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610031675 DE102006031675A1 (en) | 2006-07-08 | 2006-07-08 | Production of a corrugated turbulence metal sheet for a flat tube used in heat exchangers comprises feeding a flat strip continuously to a first station in the advancing direction, forming separating sections and further processing |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102006031675A1 true DE102006031675A1 (en) | 2008-01-10 |
Family
ID=38806089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200610031675 Withdrawn DE102006031675A1 (en) | 2006-07-08 | 2006-07-08 | Production of a corrugated turbulence metal sheet for a flat tube used in heat exchangers comprises feeding a flat strip continuously to a first station in the advancing direction, forming separating sections and further processing |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102006031675A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007048474A1 (en) * | 2007-10-09 | 2009-04-16 | Behr Gmbh & Co. Kg | Method for producing a turbulence device, device for carrying out the method, turbulence device |
DE202009016426U1 (en) | 2009-11-17 | 2010-05-12 | Arup Alu-Rohr Und Profil Gmbh | Flat tube with turbulence insert for a heat exchanger and heat exchanger with such flat tubes |
DE202011109859U1 (en) | 2011-01-31 | 2012-07-04 | Arup Alu-Rohr Und Profil Gmbh | Flat tube with turbulence insert for a heat exchanger, heat exchanger with such flat tubes, and apparatus for producing such a flat tube |
DE102011013244A1 (en) | 2011-03-07 | 2012-09-13 | Arup Alu-Rohr Und Profil Gmbh | Turbulence insert for flat heat exchanger tubes, flat tube for a heat exchanger with such a turbulence insert, heat exchangers with such flat tubes, and method and apparatus for producing such a flat tube |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2757628A (en) * | 1952-09-17 | 1956-08-07 | Gen Motors Corp | Method of making a multiple passage heat exchanger tube |
GB1127478A (en) * | 1965-12-21 | 1968-09-18 | Sevelen Metallbau | A method of providing ribs on heat-exchanger surfaces with corrugated strips |
DD212664A1 (en) * | 1982-12-22 | 1984-08-22 | Edgar Hipperling | METHOD FOR PRODUCING A HEAT TRANSFER |
DE29622191U1 (en) * | 1996-02-15 | 1997-02-13 | Ktm Kuehler Gmbh | Plate heat exchangers, especially oil coolers |
EP0646231B1 (en) * | 1992-06-24 | 1997-03-19 | Llanelli Radiators Limited | Heat exchange tubes |
US6546774B2 (en) * | 2001-08-23 | 2003-04-15 | Modine Manufacturing Company | Method of making a lanced and offset fin |
DE10131889B4 (en) * | 2000-07-04 | 2004-03-25 | Nordon Cryogenie Snc | Process for producing a wave-shaped wing for plate heat exchangers and device for carrying out the process |
-
2006
- 2006-07-08 DE DE200610031675 patent/DE102006031675A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2757628A (en) * | 1952-09-17 | 1956-08-07 | Gen Motors Corp | Method of making a multiple passage heat exchanger tube |
GB1127478A (en) * | 1965-12-21 | 1968-09-18 | Sevelen Metallbau | A method of providing ribs on heat-exchanger surfaces with corrugated strips |
DD212664A1 (en) * | 1982-12-22 | 1984-08-22 | Edgar Hipperling | METHOD FOR PRODUCING A HEAT TRANSFER |
EP0646231B1 (en) * | 1992-06-24 | 1997-03-19 | Llanelli Radiators Limited | Heat exchange tubes |
DE29622191U1 (en) * | 1996-02-15 | 1997-02-13 | Ktm Kuehler Gmbh | Plate heat exchangers, especially oil coolers |
DE10131889B4 (en) * | 2000-07-04 | 2004-03-25 | Nordon Cryogenie Snc | Process for producing a wave-shaped wing for plate heat exchangers and device for carrying out the process |
US6546774B2 (en) * | 2001-08-23 | 2003-04-15 | Modine Manufacturing Company | Method of making a lanced and offset fin |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007048474A1 (en) * | 2007-10-09 | 2009-04-16 | Behr Gmbh & Co. Kg | Method for producing a turbulence device, device for carrying out the method, turbulence device |
US8701289B2 (en) | 2007-10-09 | 2014-04-22 | Behr Gmbh & Co. Kg | Process for producing a turbulence apparatus |
DE202009016426U1 (en) | 2009-11-17 | 2010-05-12 | Arup Alu-Rohr Und Profil Gmbh | Flat tube with turbulence insert for a heat exchanger and heat exchanger with such flat tubes |
EP2322297A1 (en) | 2009-11-17 | 2011-05-18 | ARUP Alu-Rohr u. -Profil GmbH | Flat tube with turbulence filter for a heat exchanger, heat exchanger with such flat tubes and method and device for producing such a flat tube |
DE102009053579A1 (en) | 2009-11-17 | 2011-05-19 | Arup Alu-Rohr Und Profil Gmbh | Flat tube with turbulence insert for a heat exchanger, heat exchanger with such flat tubes, and method and apparatus for producing such a flat tube |
WO2011060838A1 (en) | 2009-11-17 | 2011-05-26 | Arup Alu-Rohr U. Profil Gmbh | Flat tube with turbulence insert for a heat exchanger, heat exchanger comprising such flat tubes, and method and device for producing such a flat tube |
DE202011109859U1 (en) | 2011-01-31 | 2012-07-04 | Arup Alu-Rohr Und Profil Gmbh | Flat tube with turbulence insert for a heat exchanger, heat exchanger with such flat tubes, and apparatus for producing such a flat tube |
DE102011009825A1 (en) | 2011-01-31 | 2012-08-02 | Arup Alu-Rohr Und Profil Gmbh | Method for continuous production of flat pipe for heat exchanger of e.g. intercooler, involves molding ribbon material combined with metal sheet to form endless flat pipe with longitudinal turbulence insert |
DE102011013244A1 (en) | 2011-03-07 | 2012-09-13 | Arup Alu-Rohr Und Profil Gmbh | Turbulence insert for flat heat exchanger tubes, flat tube for a heat exchanger with such a turbulence insert, heat exchangers with such flat tubes, and method and apparatus for producing such a flat tube |
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R012 | Request for examination validly filed |
Effective date: 20130629 |
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R082 | Change of representative |
Representative=s name: GRAUEL, ANDREAS, DIPL.-PHYS. DR. RER. NAT., DE |
|
R081 | Change of applicant/patentee |
Owner name: MAHLE INTERNATIONAL GMBH, DE Free format text: FORMER OWNER: BEHR GMBH & CO. KG, 70469 STUTTGART, DE Effective date: 20150311 |
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Representative=s name: GRAUEL, ANDREAS, DIPL.-PHYS. DR. RER. NAT., DE Effective date: 20150311 |
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R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |