EP1273865A2 - Wärmetauscher und Verfahren zu dessen Herstellung - Google Patents
Wärmetauscher und Verfahren zu dessen Herstellung Download PDFInfo
- Publication number
- EP1273865A2 EP1273865A2 EP02014131A EP02014131A EP1273865A2 EP 1273865 A2 EP1273865 A2 EP 1273865A2 EP 02014131 A EP02014131 A EP 02014131A EP 02014131 A EP02014131 A EP 02014131A EP 1273865 A2 EP1273865 A2 EP 1273865A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- chamber
- manifold
- openings
- collecting tube
- 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
Images
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
- F28F9/0202—Header boxes having their inner space divided by partitions
- F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
- F28F9/0214—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only longitudinal partitions
-
- 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
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2220/00—Closure means, e.g. end caps on header boxes or plugs on conduits
Definitions
- the invention relates to a heat exchanger, in particular a refrigerant evaporator in the preamble of claim 1 specified genus and a method for its Production.
- a heat exchanger is known, as a refrigerant evaporator for a motor vehicle air conditioning is provided.
- the heat exchanger consists of a plurality of parallel arranged flat tubes, of a first heat exchange fluid flows through and on its outside by a second heat exchange fluid - In the specific case of the vehicle interior be supplied air - be charged.
- the flat tubes are related to the flow direction of the second heat exchange fluid in two or more rows in a row arranged.
- the respective ends of the flat tubes are in Collecting pipes, which are also connections for the supply and return of the first heat exchange fluid are located.
- Rows of flat tubes are in the manifold by a middle wall extending in its longitudinal direction two Chambers formed in several sections of the manifold are fluidly separated from each other. Only in In one section, the center wall has bypass channel means on, through which the first heat exchange fluid of a Chamber, which is assigned to one of the rows of tubes, in a adjacent chamber passes the adjacent row of pipes.
- the invention is based on the object, a heat exchanger the generic type so that in the deflection of the fluid is a particularly favorable Flow guidance results without the center wall weakened becomes.
- the task is a Method for producing such a heat exchanger to create.
- a third chamber formed, the through one or more openings in the manifold, in particular as a slot-shaped openings along the Manifold, with both the first and the second chamber is fluidly connected.
- the openings above the middle wall along the Manifold is the shape and cross section of the Open holes relatively freely selectable. This results in a good refrigerant distribution through the appropriate flow guidance and a low pressure loss of the refrigerant.
- the third Chamber through outer walls of the manifold and through a separate lid is limited. This will be on easy Way formed the third chamber and a favorable one Flow guide made between the chambers. The Sealing this chamber from the environment is done when soldering the heat exchanger without additional measures.
- the lid is fixed by means of hanger pockets Setting the deflection area caulked on the manifold.
- Another embodiment of the invention provides that arranged end cap on the manifold a cover is in which a channel for deflecting the first fluid of the first is provided in the second chamber.
- the end cover, in which the deflection takes place designed as a deep-drawn cap.
- the deep-drawn Cap has a sufficient depth for deflection of the fluid. It can be made in one piece be and is just with its edge on the end of the Put on manifold. Except for the edge to be soldered There are no sealing surfaces.
- a further embodiment of this embodiment ends the manifold on the side of the end cap in low Distance behind the last opening for the pipes.
- a sufficient depth for the deflection of the Fluids achieved without the refrigerant superfluous Paths that are not used to cool the external fluid, and without a supernatant of the End cover over the heat exchanger also arises.
- both headers be executed, since the second manifold for inlet and outlet of the first fluid an area on End cover is needed, which is approximately the extension corresponds to the end cap in the depth of the heat exchanger. Due to the identical design of both manifolds are assembly errors by swapping two different headers excluded.
- stiffening beads is the compressive strength of the end cap on simple Way without additional components and unchanged Weight increased.
- Fig. 1 shows a manifold 1 through a center wall 2 divided into two chambers 3 and 4.
- the collection tube is made in one piece, i. the lids of the chambers 3 and 4 are each through at the bottom 12 in its longitudinal direction formed laterally molded areas, the arcuately arched over the bottom 12, and wherein the Center wall 2 forming sections in the middle of the floor 12 rest and caulked by means of tabs 15 in openings 16 are.
- the center wall 2 is through the contact area the two lid areas above the floor center educated.
- Immediately above the center wall 2 are in the chambers 3 and 4 designed as a slot openings. 5 and 6 arranged along the manifold 1.
- Fig. 2 shows the manifold with a cover 7, with the walls of the manifold 1 a - from Fig. 3 apparent - Third chamber 8 forms, through which the fluid is diverted.
- the manifold is along the in Fig. 1st shown rows of openings 5, 6 above this with inside offset paragraphs 9 and 10 provided on which the lid 7 is arranged and thus upwards flush with the manifold 1 completes.
- the lid 7 is just shaped and has in its longitudinal direction the collecting tube 1 arranged ends approximately at right angles downwardly curved end walls 14, one of the Contour of the manifold 1 corresponding shape, and the chamber 8 in the longitudinal direction of the manifold 1 seal (Fig. 5).
- the bottom 12 of the manifold 1 has passages provided, elongated openings 11, which are for receiving the from the first fluid, for example a refrigerant flowed through flat tubes serve.
- the refrigerant flows through the openings 11 into the chamber 3, from there through the openings 5 in the chamber 8 and from the chamber eighth through the openings 6 in the chamber. 4
- the manifold 1 is in its longitudinal direction by partitions 13 divided into several chambers.
- partitions 13 divided into several chambers.
- the method for producing the manifold 1 sees before, the openings 5 and 6 and the paragraphs 9 and 10th to introduce before bending the manifold 1. According to the Fig. 1 and 2 is in a subsequent step of Lid 7 caulked with the manifold 1.
- Fig. 7 shows another embodiment of a manifold 17.
- the collection tube 17 is in its longitudinal direction by a center wall not shown in FIG. 7 in the Chambers 19 and 20 divided. It has a longitudinal direction at one of its ends a deep-drawn end cover 18, in which the deflection of the refrigerant from the first Chamber 19 takes place in the second chamber 20, and at the other End a termination cover 23 is arranged.
- Fig. 8 is a perspective view of the manifold 17 shown with the end cap 23.
- the cover 23 overlaps the manifold 17 at its Scope, only in the range of segment-shaped tabs 24 of the end cap 23 to this at the end of the manifold 17 safe to position. Otherwise, the End cap 23 frontally to the manifold 17 and is soldered to this.
- the collecting pipe 17 terminates in small distance behind the last opening 21 for the Recording the flat tubes.
- the fluid flows out of the chamber 19 of the manifold 17 in the end cap 18, the one Connecting channel 26 forms, and from there into the chamber 20th of the manifold 17.
- the end cap 18 overlaps the manifold 17, so that sufficient area for safe and tight soldering the end cap 18 with the manifold 17 is present is.
- Fig. 10 shows a variant of a cover 25.
- the end cap 25 is with stiffening beads 22 provided, whereby its strength is increased.
- Fig. 11 shows a cover plate 23, at the end of the cover 18 opposite side of the manifold 17 is mounted and the manifold 17 against the environment and the chambers 19 and 20 of the manifold against each other closes tightly.
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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
- Fig. 1
- ein Sammelrohr mit Öffnungen zu einer weiteren Kammer des Sammelrohrs,
- Fig. 2
- ein Sammelrohr mit einem die Kammer schließenden Deckel,
- Fig. 3
- einen Schnitt durch das Sammelrohr entlang der Linie III-III in Fig. 2,
- Fig. 4
- eine stirnseitige Ansicht des Sammelrohres gemäß Pfeil IV in Fig. 2,
- Fig. 5
- einen Schnitt entlang der Linie V-V in Fig. 4,
- Fig. 6
- einen Schnitt entlang der Linie VI-VI in Fig. 4,
- Fig. 7
- eine perspektivische Ansicht eines Sammelrohrs in einer anderen Ausführungsvariante,
- Fig. 8
- eine perspektivische rückwärtige Ansicht auf das Sammelrohr in Fig. 7,
- Fig. 9
- einen Längsschnitt durch einen endseitigen Abschnitt des Sammelrohres,
- Fig. 10
- eine Ausführungsvariante zu Fig. 9,
- Fig. 11
- einen Längsschnitt durch das andere Ende des Sammelrohrs.
Claims (14)
- Wärmetauscher, insbesondere Kältemittelverdampfer aus mehreren von einem ersten Fluid durchströmten Rohren, insbesondere Flachrohren, die in mindestens zwei Reihen senkrecht zur Strömungsrichtung eines externen Fluids hintereinander angeordnet sind, und deren Rohrenden in mindestens ein Sammelrohr (1) münden, das in Längsrichtung durch eine Mittenwand (2) in mindestens zwei Kammern (3, 4) geteilt ist, dadurch gekennzeichnet, daß Mittel (5, 6, 8; 18, 25) zur Umlenkung des ersten Fluids von einer ersten Kammer (3, 19) in eine angrenzende zweite Kammer (4, 20) des Sammelrohrs (1, 17) außerhalb der zwischen den Kammern angeordneten Mittenwand (2) angeordnet sind.
- Wärmetauscher nach Anspruch 1,
dadurch gekennzeichnet, daß oberhalb der Mittenwand (2) eine dritte Kammer (8) gebildet ist, die durch eine oder mehrere Öffnungen (5, 6) im Sammelrohr (1) sowohl mit der ersten als auch mit der zweiten Kammer (3, 4) fluidisch verbunden ist. - Wärmetauscher nach Anspruch 2,
dadurch gekennzeichnet, daß mehrere als Langloch gestaltete Öffnungen (5, 6) längs des Sammelrohrs unmittelbar oberhalb der Mittenwand angeordnet sind. - Wärmetauscher nach Anspruch 2 oder 3,
dadurch gekennzeichnet, daß die dritte Kammer (8) durch Außenwände des Sammelrohrs (1) und durch einen separaten Deckel (7) begrenzt wird. - Wärmetauscher nach Anspruch 4,
dadurch gekennzeichnet, daß der Deckel (7) aus einer ebenen Platte mit an deren Stirnseiten nach unten abgewinkelten Seitenwänden (14) besteht, deren Kontur der Form des Sammelrohres (1) im Bereich der dritten Kammer (8) entspricht. - Wärmetauscher nach Anspruch 4 oder 5,
dadurch gekennzeichnet, daß der Deckel (7) mittels Fügelaschen an festgelegten Stellen des Umlenkbereiches am Sammelrohr (1) verstemmt ist. - Wärmetauscher nach einem der Ansprüche 4 bis 6,
dadurch gekennzeichnet, daß das Sammelrohr (1) oberhalb der Öffnungen (5, 6) einen in Längsrichtung des Sammelrohres verlaufenden nach innen versetzten Absatz (9, 10) aufweist, der eine Auflagefläche für den Deckel (7) bildet. - Wärmetauscher nach Anspruch 1,
dadurch gekennzeichnet, daß endseitig an dem Sammelrohr (17) ein Abschlußdeckel (18, 25) angeordnet ist, in dem ein Kanal zur Umlenkung des ersten Fluids von der ersten Kammer (19) in die zweite Kammer (20) vorgesehen ist. - Wärmetauscher nach Anspruch 8,
dadurch gekennzeichnet, daß der Abschlußdeckel (18, 25) als tiefgezogene Kappe ausgeführt ist. - Wärmetauscher nach Anspruch 8 oder 9,
dadurch gekennzeichnet, daß das Sammelrohr (17) auf der Seite des Abschlußdeckels (18, 25) in geringem Abstand hinter der letzten Öffnung für die Rohre (21) endet. - Wärmetauscher nach einem der Ansprüche 8 bis 10,
dadurch gekennzeichnet, daß der Abschlußdeckel (25) zusätzliche Versteifungssicken (22) besitzt. - Verfahren zur Herstellung eines Wärmetauschers, der mehrere von einem ersten Fluid durchströmte Rohre umfaßt, die - bezogen auf die Strömungsrichtung eines äußeren zweiten Fluids - in mindestens zwei Reihen hintereinanderliegend angeordnet sind, wobei ein Sammelrohr (1) dadurch erzeugt wird, daß ein Blech gestanzt und geprägt wird, wodurch Öffnungen (11) zur Aufnahme der Enden der Rohre sowie Öffnungen (5, 6) in einem bestimmten Längsabschnitt des Sammelrohres (1) gebildet werden, und daß dann durch Biegen des Bleches neben einem Boden (12) zu einer gewölbten Form, die Kammer (3, 4) des Sammelrohres (1) bilden und jeweilige Randstreifen neben den Wölbungen zu einer die Kammern (3, 4) trennenden Mittenwand (2) zusammengefügt werden und schließlich ein Deckel (7) an dem Längenabschnitt mit den Öffnungen (5, 6) aufgesetzt wird, wodurch dieser Deckel (7) zusammen mit der Mantelfläche des Sammelrohres (1) eine dritte Kammer (8) bildet, und daß in die Öffnungen (11) des auf diese Weise erzeugten Sammelrohres die Enden der Rohre eingeführt werden.
- Verfahren nach Anspruch 12, dadurch gekennzeichnet, daß mit dem Stanz- und Prägeschritt auch Absätze (9, 10) geformt werden, die sich in Längsrichtung des Sammelrohres (1) neben den Öffnungen (5, 6) erstrecken und auf diesen Absätzen (9, 10) der Deckel (7) bei dessen Montage abgelegt wird.
- Verfahren zur Herstellung eines Wärmetauschers, der mehrere von einem ersten Fluid durchströmte Rohre umfaßt, die - bezogen auf die Strömungsrichtung eines äußeren zweiten Fluids - in mindestens zwei Reihen hintereinanderliegend angeordnet sind, wobei ein Sammelrohr (17) dadurch erzeugt wird, daß ein Blech gestanzt und geprägt wird, wodurch Öffnungen (21) zur Aufnahme der Enden der Rohre in einem einen Rohrboden (12) bildenden Bereich eingebracht werden, und daß dann durch Biegen des Bleches neben dem dem Rohrboden (12) zu einer gewölbten Form, die Kammern (19, 20) des Sammelrohres (17) bilden und jeweilige Randstreifen neben den Wölbungen zu einer Kammer (19, 20) trennenden Mittenwand (2) zusammengefügt werden und schließlich die Enden des Sammelrohres (17) mit Abschlußdeckeln (18, 23, 25) geschlossen werden, wobei an einem der Enden ein Abschlußdeckel angeordnet wird, in dem durch entsprechende Formgebung ein Verbindungskanal (26) gebildet wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10132484A DE10132484A1 (de) | 2001-07-05 | 2001-07-05 | Wärmetauscher und Verfahren zu dessen Herstellung |
DE10132484 | 2001-07-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1273865A2 true EP1273865A2 (de) | 2003-01-08 |
EP1273865A3 EP1273865A3 (de) | 2003-06-04 |
EP1273865B1 EP1273865B1 (de) | 2006-01-04 |
Family
ID=7690631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02014131A Expired - Lifetime EP1273865B1 (de) | 2001-07-05 | 2002-07-01 | Wärmetauscher und Verfahren zu dessen Herstellung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1273865B1 (de) |
AT (1) | ATE315209T1 (de) |
DE (2) | DE10132484A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105674788A (zh) * | 2014-11-18 | 2016-06-15 | 丹佛斯微通道换热器(嘉兴)有限公司 | 集流管以及换热器 |
CN107305108A (zh) * | 2016-04-25 | 2017-10-31 | 丹佛斯微通道换热器(嘉兴)有限公司 | 隔板和端盖组件、集流管组件和换热器 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10302412A1 (de) * | 2003-01-21 | 2004-07-29 | Behr Gmbh & Co. Kg | Wärmeübertrager, insbesondere Gaskühler |
DE10347180A1 (de) * | 2003-10-10 | 2005-05-12 | Modine Mfg Co | Wärmeaustauscher, insbesondere für Kraftfahrzeuge |
DE102018222815A1 (de) * | 2018-12-21 | 2020-06-25 | Mahle International Gmbh | Aufnahmekasten für eine Wärmeübertrager |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0947792A2 (de) | 1998-04-03 | 1999-10-06 | Denso Corporation | Verdampfer für Kühlungsmittel und dessen Herstellungsverfahren |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE341273C (de) * | 1917-11-10 | 1921-09-28 | Anton Dukat | Waermeaustauschvorrichtung |
CA1117520A (en) * | 1980-06-27 | 1982-02-02 | Bozo Dragojevic | Heat exchange assembly |
JPH11142087A (ja) * | 1997-11-13 | 1999-05-28 | Showa Alum Corp | 熱交換器 |
DE19826881B4 (de) * | 1998-06-17 | 2008-01-03 | Behr Gmbh & Co. Kg | Wärmeübertrager, insbesondere Verdampfer |
US6216777B1 (en) * | 2000-01-27 | 2001-04-17 | Visteon Global Technologies, Inc. | Manifold for a heat exchanger and method of making same |
-
2001
- 2001-07-05 DE DE10132484A patent/DE10132484A1/de not_active Withdrawn
-
2002
- 2002-07-01 AT AT02014131T patent/ATE315209T1/de not_active IP Right Cessation
- 2002-07-01 EP EP02014131A patent/EP1273865B1/de not_active Expired - Lifetime
- 2002-07-01 DE DE50205499T patent/DE50205499D1/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0947792A2 (de) | 1998-04-03 | 1999-10-06 | Denso Corporation | Verdampfer für Kühlungsmittel und dessen Herstellungsverfahren |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105674788A (zh) * | 2014-11-18 | 2016-06-15 | 丹佛斯微通道换热器(嘉兴)有限公司 | 集流管以及换热器 |
CN107305108A (zh) * | 2016-04-25 | 2017-10-31 | 丹佛斯微通道换热器(嘉兴)有限公司 | 隔板和端盖组件、集流管组件和换热器 |
Also Published As
Publication number | Publication date |
---|---|
EP1273865B1 (de) | 2006-01-04 |
ATE315209T1 (de) | 2006-02-15 |
DE50205499D1 (de) | 2006-03-30 |
DE10132484A1 (de) | 2003-01-23 |
EP1273865A3 (de) | 2003-06-04 |
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