EP2138798B1 - Header box, in particular of a heat exchanger for automotive vehicle and heat exchanger, more particularly condenser for automotive vehicle - Google Patents
Header box, in particular of a heat exchanger for automotive vehicle and heat exchanger, more particularly condenser for automotive vehicle Download PDFInfo
- Publication number
- EP2138798B1 EP2138798B1 EP09008186.0A EP09008186A EP2138798B1 EP 2138798 B1 EP2138798 B1 EP 2138798B1 EP 09008186 A EP09008186 A EP 09008186A EP 2138798 B1 EP2138798 B1 EP 2138798B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- heat exchanger
- contact surfaces
- box
- contact stability
- 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.)
- Not-in-force
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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
- F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
- F28F9/0224—Header boxes formed by sealing end plates into covers
-
- 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
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/32—Safety or protection arrangements; Arrangements for preventing malfunction for limiting movements, e.g. stops, locking means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/14—Fastening; Joining by using form fitting connection, e.g. with tongue and groove
- F28F2275/143—Fastening; Joining by using form fitting connection, e.g. with tongue and groove with pin and hole connections
Definitions
- the invention relates to a collecting box, in particular a heat exchanger of a motor vehicle, comprising a tube bottom comprising first contact surfaces, with a box part comprising second contact surfaces, in which the tube sheet and the box part are soldered together at soldering areas, and in which the first contact surfaces and the second contact surfaces Can form soldering areas. Furthermore, the invention relates to a heat exchanger, in particular a condenser, a motor vehicle with a heat exchanger block and with manifolds, in which cooling tubes of the heat exchanger block open into the manifolds.
- Generic headers for heat exchangers are well known in the art and often consist of at least two moldings, which are soldered together, so that the collecting tank can be formed in particular liquid-tight and pressure-resistant.
- the aforementioned moldings is usually a tube plate and a box part or a lid of the header tank.
- a heat exchanger with an at least two-part collection box of a bottom and a lid wherein the bottom and the lid are soldered together at common contact surfaces.
- the collecting tank is constructed particularly resistant to pressure
- the bottom has edge strips, so that the cover can be inserted into the ground and undergoes lateral guidance by means of the edge strips.
- further contact surfaces are provided along the central axis of the collecting box, which provide additional soldering areas on the collecting box in addition to the edge strip area.
- edge strips can also be a good pre-fixing the lid on the floor succeed, so that the contact surfaces for forming the soldering areas on the bottom and lid are securely stacked so that they cover well during transport of the components together prefixed and during the soldering process can.
- a collection box in this respect also at least from a bottom and a lid, which form at common contact surfaces soldering areas where they are soldered together.
- at least one of the two moldings has lug-like structures which can at least partially surround the floor inserted in the lid, so that the floor is no longer unintentionally counter to a loading direction can solve from the lid of the collecting tank.
- a cover of a header tank and a bottom of the header tank are crimped lengthwise before brazing at their edge portions, so that the cover and bottom are well pre-fixed for first handling of the header tank.
- a latching connection is provided in a longitudinal dividing wall region of the collecting box, which extends over the entire length of the longitudinal dividing wall region, wherein latching noses of a first molded part can engage in undercuts of a second molded part of the collecting box, whereby the cover and bottom of the collecting box well prefixed together in this longitudinal dividing wall area are.
- the object of the invention is achieved by a collecting box, in particular a heat exchanger of a motor vehicle, having a tube bottom comprising first contact surfaces, comprising a box part comprising further contact surfaces, wherein the tube sheet and the box part are soldered together at soldering areas, and in which the first contact surfaces and the second contact surfaces can form the soldering areas, wherein the collecting box is characterized by means for securing the contact, by means of which in the soldering areas a critical removal of the contact surfaces is prevented from each other.
- the risk is drastically reduced that two contact surfaces forming a soldering area critically remove one another. This ensures that the collecting tank is particularly pressure-stable. This is especially in view On capacitors advantageous because these often cooling processes with high pressures must be controlled.
- contact surface describes surfaces of the tube bottom or the box part, generally of the collecting box, which can provide each other soldering areas in which a solder joint between the tube sheet and the box part to be formed.
- soldering areas describes those areas of the contact areas at which shaped components of the collecting box are to be soldered to one another by means of soldered connections. In this context, it is understood that not all contact surfaces between the mold components necessarily form soldering areas.
- the means for securing contact are arranged on a longitudinal dividing wall region of the collecting tank.
- a longitudinal partition wall portion may divide the collecting box into two main channels. In particular, this makes it ideal for placing contact surfaces both on the tubesheet and on the box part of the header tank, wherein the pressure resistance of the header box can be particularly high when the tubesheet and the box part are soldered together there.
- the contact-securing means can be provided in a structurally simple manner, since the means for securing the contact are arranged within the soldering areas. Although this reduces the respective soldering area, but this can be compensated with a better solder joint. In particular, if not the entire soldering area is required to meet the strength requirements.
- the quality of the solder joints at the soldering areas of the collecting box is increased by the fact that the means for securing the contacts have solder initiation formations.
- Such Lötinitialmaschinesgetrucke can ensure particularly reliable contact between the first contact surfaces and second contact surfaces, starting from which a solder joint can form excellent.
- the means for securing contact surveys within the first contact surfaces are also possible.
- a pin of a tube plate is inserted into a hub, which may be formed as a through hole on a box part, such that a free end of the pin is accessible from the outside of a header, so that the pin are pressed in the hub from the outside can.
- a particularly close-fitting contact fixation can be achieved.
- the object is also achieved by a heat exchanger, in particular by a condenser, a motor vehicle with a heat exchanger block and collecting tanks, in which cooling tubes of the heat exchanger open into the manifolds, wherein the heat exchanger is characterized in that it has a collecting box according to one of here comprises feature combinations described.
- the Indian FIG. 1 Heat exchangers 1 shown by way of example can be used in motor vehicles, for example, in order to cool coolant of an internal combustion engine (not shown here).
- the heat exchanger 1 comprises a cooler network 2, on which a coolant inlet box 3 and a coolant outlet box 4 are arranged. Between the two coolant boxes 3 and 4 extend coolant tubes 5 (numbered here only by way of example), so that one to cooling coolant can flow from the coolant inlet box 3 to the coolant drainage 4.
- cooling rib shafts 6 are arranged between the individual coolant tubes 5 and extend from the coolant inlet box 3 to the coolant outlet box 4.
- Each of the cooling fin shafts 6 provides a plurality of cooling fins 7 on the heat exchanger 1.
- the total leakage area for heat energy of the heat exchanger 1 is advantageously increased, which in turn allows the cooling performance of the heat exchanger 1 can be improved.
- a vertically extending retaining web 8 is provided, by means of which the cooling tubes 5 can be additionally held.
- Both the coolant inlet box 3 and the coolant outlet box 4 are each composed of a bent tube sheet 9 and a bent box part 10 (numbered here only with regard to the coolant inlet box 3).
- the tube sheet 9 and the box part 10 are pressed liquid-tightly together at a seam 11 and closed at the top 12 with a first closure 13 and at the bottom 14 with a further closure 15.
- the coolant inlet box 3 also has a coolant inlet 16, while the coolant outlet box 4 has a coolant outlet 17 in the region of the lower side 14.
- the respective bent tube sheet 9 of the coolant inlet box 3 or of the coolant outlet box 4 is arranged relative to the individual coolant tubes 5 such that the coolant tubes 5 are aligned substantially at a right angle 18 to the longitudinal extent 19.
- the passages 20 are arranged along the longitudinal extension 19 at a bottom region of the tube bottom 9.
- the coolant inlet box 3 and the coolant outlet box 4 may generally be referred to as header tanks 21, which are essentially each composed of a tube plate 9 and a box part 10, as described by way of example below.
- the Indian FIG. 2 tube sheet 9 shown has at its elongated edges 22 on a plurality of Vorfixierlaschen 23.
- first contact surfaces 26 (here only exemplified), with the second contact surfaces 27 (here only exemplified) of the box part 10 (see FIG. 3 ) Soldering regions 28 of the headers 21 can form.
- the first contact surfaces 26 and the second contact surfaces 27 in a suitable and known manner with solder (not numbered here) be provided.
- the contact-securing means 30 comprise on the one hand the contact securing pin 29 and on the other hand, the contact securing hub 31st
- the contact-securing pins 29 of the tube sheet 9 are advantageously arranged in the Kunststofftechnischsnaben 31 of the box part 10, in such a way that the contact-securing pins 29, the contact securing hubs 31, in the form of the through holes 32, can pierce, as particularly well according to the representations of FIGS. 7 and 8 is recognizable.
- the present contact-securing means 30 simultaneously form solder-initiation structures 33, by means of which there is always a contact region 34, even if only a small contact region, between the first contact surfaces 26 and the second contact surfaces 27 is trained. This is true even if areas of the first contact surfaces 26 and second contact surfaces 27 are not touching each other.
- contact-securing pins 29 form elevations 35 within the first contact surfaces 26 and the contact-securing hubs 31 depressions 36 within the second contact surfaces 27.
- the means 30 for securing contact sufficiently large contact surfaces 26 and 27 are available for forming the solder regions 28 in particular in the longitudinal partition wall portion 25 of the headers 21, the means 30 for securing each contact by a distance 38 (by way of example only with respect to FIG. 6 located) spaced from each other.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Description
Die Erfindung betrifft einen Sammelkasten, insbesondere eines Wärmeübertragers eines Kraftfahrzeuges, mit einem Rohrboden umfassend erste Kontaktflächen, mit einem Kastenteil umfassend zweite Kontaktflächen, bei welchem der Rohrboden und das Kastenteil an Lötbereichen miteinander verlötet sind, und bei welchem die ersten Kontaktflächen und die zweiten Kontaktflächen die Lötbereiche bilden können. Des Weiteren betrifft die Erfindung einen Wärmeübertrager, insbesondere einen Kondensator, eines Kraftfahrzeuges mit einem Wärmeübertragerblock und mit Sammelkästen, bei welchem Kühlrohre des Wärmeübertragerblocks in die Sammelkästen münden.The invention relates to a collecting box, in particular a heat exchanger of a motor vehicle, comprising a tube bottom comprising first contact surfaces, with a box part comprising second contact surfaces, in which the tube sheet and the box part are soldered together at soldering areas, and in which the first contact surfaces and the second contact surfaces Can form soldering areas. Furthermore, the invention relates to a heat exchanger, in particular a condenser, a motor vehicle with a heat exchanger block and with manifolds, in which cooling tubes of the heat exchanger block open into the manifolds.
Gattungsgemäße Sammelkästen für Wärmeübertrager sind aus dem Stand der Technik gut bekannt und bestehen häufig aus wenigstens zwei Formteilen, die miteinander verlötet sind, so dass der Sammelkasten insbesondere flüssigkeitsdicht und druckfest ausgebildet werden kann. Bei den vorgenannten Formteilen handelt es sich in der Regel um einen Rohrboden und ein Kastenteil bzw. einen Deckel des Sammelkastens.Generic headers for heat exchangers are well known in the art and often consist of at least two moldings, which are soldered together, so that the collecting tank can be formed in particular liquid-tight and pressure-resistant. In the aforementioned moldings is usually a tube plate and a box part or a lid of the header tank.
Aus der Offenlegungsschrift
Bei einem anderen Wärmeübertrager aus der Offenlegungsschrift
Aus der Offenlegungsschrift
Aus der Offenlegungsschrift
Es ist Aufgabe vorliegender Erfindung gattungsgemäße Sammelkästen weiter zu entwickeln.It is an object of the present invention to further develop generic collecting tanks.
Die Aufgabe der Erfindung wird von einem Sammelkasten, insbesondere eines Wärmeübertragers eines Kraftfahrzeuges, mit einem Rohrboden umfassend erste Kontaktflächen, mit einem Kastenteil umfassend weitere Kontaktflächen gelöst, bei welchem der Rohrboden und das Kastenteil an Lötbereichen miteinander verlötet sind, und bei welchem die ersten Kontaktflächen und die zweiten Kontaktflächen die Lötbereiche bilden können, wobei sich der Sammelkasten durch Mittel zur Kontaktsicherung auszeichnet, mittels welchen in den Lötbereichen ein kritisches Entfernen der Kontaktflächen voneinander verhindert wird.The object of the invention is achieved by a collecting box, in particular a heat exchanger of a motor vehicle, having a tube bottom comprising first contact surfaces, comprising a box part comprising further contact surfaces, wherein the tube sheet and the box part are soldered together at soldering areas, and in which the first contact surfaces and the second contact surfaces can form the soldering areas, wherein the collecting box is characterized by means for securing the contact, by means of which in the soldering areas a critical removal of the contact surfaces is prevented from each other.
Zwar ist es aus dem Stand der Technik bekannt, miteinander zu verlötende Formteile eines Sammelkastens, wie etwa ein Rohrboden und ein Kastenteil, miteinander vorzufixieren, so dass die beiden Formteile vor dem eigentlichen dauerhaften Zusammenfügen gut handbar sind und die Gefahr eines Auseinanderfallens des vorfixierten Sammelkastens verringert ist. Jedoch kann mittels einer derartigen herkömmlichen Vorfixierung nicht betriebssicher gewährleistet werden, dass die miteinander zu verlötenden Kontaktflächen in den eigentlichen Lötbereichen auch derart eng und gut aneinander liegen, dass sich dort eine qualitativ hochwertige Lötverbindung zwischen den zu verlötenden Formbauteilen des Sammelkastens ausbilden kann. Eine nicht optimale Lötverbindung kann drastisch die Festigkeit des Sammelkastens reduzieren, insbesondere die Beständigkeit des Sammelkastens gegenüber hohen Innendrücken, so dass etwa auch der Berstdruck des Sammelkastens wesentlich reduziert ist. Selbst wenn die zu verlötenden Formbauteile des Sammelkastens zuvor während der Vorfixierung aneinander gepresst wurden, kann auf Grund von Fertigungsungenauigkeiten bei der Herstellung der Formbauteile nicht garantiert werden, dass diese an ihren Kontaktflächen immer ausreichend aneinander liegen können. Selbst wenn sie bei der Vorfixierung noch ausreichend aneinander liegen, kann es insbesondere bei einer Erwärmung hinsichtlich eines Lötprozesses dazu kommen, dass sich zwei einen Lötbereich bildende Kontaktflächen kritisch voneinander entfernen, so dass sich dort keine ausreichende Lötverbindung bilden kann.Although it is known from the prior art to preform to be soldered moldings of a collecting box, such as a tube sheet and a box part together so that the two moldings are well handleable before the actual permanent assembly and reduces the risk of falling apart of the prefixed header tank is. However, it can not be reliably ensured by means of such conventional prefixing that the contact surfaces to be soldered together in the actual soldering areas are also so close and good that a high quality soldered connection can be formed there between the molded components of the collecting box to be soldered. A non-optimal solder joint can drastically reduce the strength of the header, in particular the resistance of the header to high internal pressures, so that about the bursting pressure of the header is substantially reduced. Even if the molded components of the collecting tank to be soldered were previously pressed against each other during the pre-fixing, it can not be guaranteed due to production inaccuracies in the production of the molded components that they can always lie sufficiently against one another at their contact surfaces. Even if they are still sufficiently adjacent to one another during the pre-fixing, it can happen, in particular when heating with respect to a soldering process, that two contact areas forming a soldering area critically move away from each other, so that a sufficient solder joint can not form there.
Mittels der erfindungsgemäßen Mittel zur Kontaktsicherung ist die Gefahr jedoch drastisch verringert, dass sich zwei einen Lötbereich bildende Kontaktflächen kritisch voneinander entfernen. Hierdurch ist gewährleistet, dass der Sammelkasten besonders druckstabil ist. Dies ist besonders im Hinblick auf Kondensatoren vorteilhaft, da bei diesen oftmals Kälteprozesse mit hohen Drücken beherrscht werden müssen.By means of the contact securing means according to the invention, however, the risk is drastically reduced that two contact surfaces forming a soldering area critically remove one another. This ensures that the collecting tank is particularly pressure-stable. This is especially in view On capacitors advantageous because these often cooling processes with high pressures must be controlled.
Der Begriff "Kontaktfläche" beschreibt Flächen des Rohrbodens bzw. des Kastenteils, im Allgemeinen also des Sammelkastens, die aneinander liegend Lötbereiche bereitstellen können, in welchen eine Lötverbindung zwischen dem Rohrboden und dem Kastenteil ausgebildet werden sollen.The term "contact surface" describes surfaces of the tube bottom or the box part, generally of the collecting box, which can provide each other soldering areas in which a solder joint between the tube sheet and the box part to be formed.
Der Begriff "Lötbereiche" beschreibt vorliegend diejenigen Bereiche der Kontaktflächen, an welchen Formbauteile des Sammelkastens mittels Lötverbindungen miteinander verlötet werden sollen. In diesem Zusammenhang versteht es sich, dass nicht alle Kontaktflächen zwischen den Formbauteilen zwangsläufig Lötbereiche ausbilden müssen.In the present case, the term "soldering areas" describes those areas of the contact areas at which shaped components of the collecting box are to be soldered to one another by means of soldered connections. In this context, it is understood that not all contact surfaces between the mold components necessarily form soldering areas.
Die Mittel zur Kontaktsicherung sind an einem Längstrennwandbereich des Sammelkastens angeordnet. Ein solcher Längstrennwandbereich kann den Sammelkasten in zwei Hauptkanäle unterteilen. Insbesondere eignet er sich hierdurch hervorragend zum Platzieren von Kontaktflächen sowohl an dem Rohrboden als auch an dem Kastenteil des Sammelkastens, wobei die Druckbeständigkeit des Sammelkastens besonders hoch sein kann, wenn der Rohrboden und das Kastenteil dort miteinander verlötet sind.The means for securing contact are arranged on a longitudinal dividing wall region of the collecting tank. Such a longitudinal partition wall portion may divide the collecting box into two main channels. In particular, this makes it ideal for placing contact surfaces both on the tubesheet and on the box part of the header tank, wherein the pressure resistance of the header box can be particularly high when the tubesheet and the box part are soldered together there.
Konstruktiv einfach können die Kontaktsicherungsmittel bereitgestellt werden, da die Mittel zu Kontaktsicherung innerhalb der Lötbereiche angeordnet sind. Zwar verkleinert sich hierdurch der jeweilige Lötbereich, jedoch kann dies mit einer besseren Lötverbindung ausgeglichen werden. Insbesondere, wenn nicht der gesamte Lötbereich für die Erfüllung der Festigkeitsanforderungen erforderlich ist.The contact-securing means can be provided in a structurally simple manner, since the means for securing the contact are arranged within the soldering areas. Although this reduces the respective soldering area, but this can be compensated with a better solder joint. In particular, if not the entire soldering area is required to meet the strength requirements.
Die Qualität der Lötverbindungen an den Lötbereichen des Sammelkastens wird dadurch erhöht, dass die Mittel zur Kontaktsicherung Lötinitialisierungsgebilde aufweisen. Derartige Lötinitialisierungsgebilde können besonders betriebssicher einen Kontakt zwischen ersten Kontaktflächen und zweiten Kontaktflächen gewährleisten, von denen ausgehend sich eine Lötverbindung ausgezeichnet ausbilden kann.The quality of the solder joints at the soldering areas of the collecting box is increased by the fact that the means for securing the contacts have solder initiation formations. Such Lötinitialisierungsgebilde can ensure particularly reliable contact between the first contact surfaces and second contact surfaces, starting from which a solder joint can form excellent.
Auch weisen die Mittel zur Kontaktsicherung Erhebungen innerhalb der ersten Kontaktflächen auf.Also, the means for securing contact surveys within the first contact surfaces.
Ferner weisen die Mittel zur Kontaktsicherung Senken innerhalb der zweiten Kontaktflächen auf.Furthermore, the means for securing contact depressions within the second contact surfaces.
Da die Erhebungen der Mittel zur Kontaktsicherung und Senken der Mittel zur Kontaktsicherung formschlüssig miteinander verbunden sind, können Kontaktflächen an Lötbereichen besonders betriebssicher aneinander liegend gehalten werden.Since the elevations of the means for securing the contact and lowering the means for securing the contact are positively connected to one another, contact surfaces on soldering areas can be held in a particularly reliable manner against each other.
Des Weiteren weisen die Mittel zur Kontaktsicherung eine Zapfen-Nabe-Verbindung auf.Furthermore, the means for securing contact on a pin-hub connection.
Durchdringen die Mittel zur Kontaktsicherung den Rohrboden oder den Deckel können zusätzlich Pressverbindungen von außen an innenliegenden Lötbereichen hergestellt werden, wodurch eine besonders enge Pressung der ersten und zweiten Kontaktflächen zueinander gewährleistet werden kann.If the means for securing the contact with the tubesheet or the lid penetrate additional pressing connections can be made from outside to inside soldering areas, whereby a particularly close pressure of the first and second contact surfaces can be ensured to each other.
Dabei wird ein Zapfen eines Rohrbodens in eine Nabe, die etwa als Durchgangsbohrung an einem Kastenteil ausgebildet sein kann, derart eingesteckt, dass ein freies Ende des Zapfens von der Außenseite eines Sammelkastens her zugänglich ist, so dass der Zapfen in der Nabe von außen verpresst werden kann. Insofern kann eine besonders eng anliegende Kontaktfixierung erzielt werden.In this case, a pin of a tube plate is inserted into a hub, which may be formed as a through hole on a box part, such that a free end of the pin is accessible from the outside of a header, so that the pin are pressed in the hub from the outside can. In this respect, a particularly close-fitting contact fixation can be achieved.
Da die Mittel zur Kontaktsicherung entlang einer Längsachse des Sammelkastens zueinander beabstandet angeordnet sind, können sich zwischen den einzelnen Kontaktsicherungsmitteln an den Kontaktflächen zusätzliche Lötbereiche ausbilden, so dass der Rohrboden und das Kastenteil hinreichend großflächig miteinander verlötet werden können.Since the means for securing contact along a longitudinal axis of the collecting tank are arranged spaced from each other, additional soldering areas can form between the individual contact securing means on the contact surfaces, so that the tube plate and the box part can be soldered sufficiently large area with each other.
In diesem Zusammenhang wird die Aufgabe auch von einem Wärmeübertrager, insbesondere von einem Kondensator, eines Kraftfahrzeuges mit einem Wärmeübertragerblock und mit Sammelkästen gelöst, bei welchen Kühlrohre des Wärmeübertragers in die Sammelkästen münden, wobei sich der Wärmeübertrager dadurch auszeichnet, dass er einen Sammelkasten nach einem der hier erläuterten Merkmalskombinationen umfasst.In this context, the object is also achieved by a heat exchanger, in particular by a condenser, a motor vehicle with a heat exchanger block and collecting tanks, in which cooling tubes of the heat exchanger open into the manifolds, wherein the heat exchanger is characterized in that it has a collecting box according to one of here comprises feature combinations described.
Weitere Vorteile, Ziele und Eigenschaften vorliegender Erfindung werden anhand nachfolgender Beschreibung anliegender Zeichnung erläutert, in welcher beispielhaft ein Wärmeübertrager sowie ein Rohrboden und ein Kastenteil eines Sammelkastens des Wärmeübertragers dargestellt sind.Further advantages, objects and characteristics of the present invention will be explained with reference to the following description of the appended drawing, in which an example of a heat exchanger and a tube plate and a box part of a header of the heat exchanger are shown.
Es zeigt
Figur 1- schematisch eine Ansicht eines Wärmeübertragers mit seitlich angeordneten Sammelkästen,
- Figur 2
- schematisch eine perspektivische Ansicht eines Rohrbodens mit Mitteln zur Kontaktsicherung in Gestalt von Zapfen im Bereich einer Längstrennwand eines Sammelkastens,
Figur 3- schematisch eine perspektivische Ansicht eines Kastenteils mit Mitteln zur Kontaktsicherung in Gestalt von Durchgangslöchern im Bereich der Längstrennwand eines Sammelkastens,
- Figur 4
- schematisch eine perspektivische Ansicht eines Sammelkastens mit dem Rohrboden aus der
und mit dem Kastenteil aus derFigur 1Figur 3 und mit zusätzlichen Vorfixierlaschen, Figur 5- schematisch eine weitere perspektivische Ansicht des Sammelkastens aus der
Figur 4 mit umgebogenen und fixierten Vorfixierlaschen, - Figur 6
- schematisch nochmals eine perspektivische Ansicht des Sammelkastens aus den
Figuren 4 und 5 mit verpressten Kontaktsicherungsmittel, - Figur 7
- schematisch einen Querschnitt des Sammelkastens aus den
Figuren 4 bis 6 im Bereich verpresster Kontaktsicherungsmittel, und Figur 8- schematisch einen Längsschnitt des Sammelkastens im Bereich verpresster Kontaktsicherungsmittel.
- FIG. 1
- 1 is a schematic view of a heat exchanger with laterally arranged collecting boxes;
- FIG. 2
- 2 is a schematic perspective view of a tube plate with contact securing means in the form of pins in the region of a longitudinal dividing wall of a collecting box;
- FIG. 3
- 1 is a schematic perspective view of a box part with contact securing means in the form of through holes in the region of the longitudinal dividing wall of a collecting box;
- FIG. 4
- schematically a perspective view of a collecting tank with the tube sheet from the
FIG. 1 and with the box part from FIG. 3 and with additional prefixing tabs, - FIG. 5
- schematically another perspective view of the collecting tank from the
FIG. 4 with bent and fixed prefixing straps, - FIG. 6
- schematically again a perspective view of the collecting tank from the
FIGS. 4 and 5 with pressed contact securing means, - FIG. 7
- schematically a cross section of the collecting tank from the
FIGS. 4 to 6 in the field of compressed contact security, and - FIG. 8
- schematically a longitudinal section of the header box in the area pressed contact securing means.
Der in der
Sowohl der Kühlmitteleinlaufkasten 3 als auch der Kühlmittelablaufkasten 4 sind jeweils aus einem gebogenen Rohrboden 9 und einem gebogenen Kastenteil 10 zusammengesetzt (hier nur hinsichtlich des Kühlmitteleinlaufkastens 3 beziffert).Both the
Der Rohrboden 9 und das Kastenteil 10 sind an einer Naht 11 flüssigkeitsdicht miteinander verpresst und an der Oberseite 12 mit einem ersten Verschluss 13 und an der Unterseite 14 mit einem weiteren Verschluss 15 verschlossen. Im Bereich der Oberseite 12 verfügt der Kühlmitteleinlaufkasten 3 zudem über einen Kühlmittelzulauf 16, während der Kühlmittelablaufkasten 4 im Bereich der Unterseite 14 einen Kühlmittelablauf 17 aufweist.The
Der jeweilige gebogene Rohrboden 9 des Kühlmitteleinlaufkastens 3 bzw. des Kühlmittelablaufkastens 4 ist gegenüber den einzelnen Kühlmittelrohren 5 derart angeordnet, dass die Kühlmittelrohre 5 im Wesentlichen in einem rechten Winkel 18 zu der Längserstreckung 19 ausgerichtet sind.The respective
Während der Kühlmittelzulauf 16 bzw. der Kühlmittelablauf 17 jeweils an dem entsprechenden Kastenteil 10 vorgesehen sind, kommunizieren die Kühlmittelrohre 5 mit dem jeweiligen gebogenen Rohrboden 9 des Kühlmitteleinlaufkastens 3 bzw. des Kühlmittelablaufkastens 4, indem sie Durchzüge 20 des gebogenen Rohrbodens 9 durchstoßen. Die Durchzüge 20 sind entlang der Längserstreckung 19 an einem Bodenbereich des Rohrbodens 9 angeordnet.While the
Der Kühlmitteleinlaufkasten 3 und der Kühlmittelablaufkasten 4 können im Allgemeinen als Sammelkästen 21 bezeichnet werden, die im Wesentlichen jeweils aus einem Rohrboden 9 und einem Kastenteil 10 zusammengesetzt sind, wie sie im Nachfolgenden beispielhaft beschrieben sind.The
Der in der
Entlang seiner Rohrbodenmittelachse 24 erstreckt sich ein Längstrennwandbereich 25 der Sammelkästen 21. In diesem Längstrennwandbereich 25 weist der Rohrboden 9 erste Kontaktflächen 26 (hier nur exemplarisch beziffert) auf, die mit zweiten Kontaktflächen 27 (hier nur exemplarisch beziffert) des Kastenteils 10 (siehe
An jeder der ersten Kontaktflächen 26 des Rohrbodens 9 sind Kontaktsicherungszapfen 29 von Mitteln 30 zur Kontaktsicherung der Sammelkästen 21 angeordnet. Dementsprechend sind die zweiten Kontaktflächen 27 mit Kontaktsicherungsnaben 31 in Form von Durchgangslöchern 32 der Mittel 30 zur Kontaktsicherung ausgestattet. Die Mittel 30 zur Kontaktsicherung umfassen also einerseits die Kontaktsicherungszapfen 29 und andererseits die Kontaktsicherungsnaben 31.At each of the first contact surfaces 26 of the
Ist das Kastenteil 10 in den Rohrboden 9 gemäß den
Da die Kontaktsicherungszapfen 29 die zweiten Kontaktflächen 27 des Kastenteils 10 durchdringen können, bilden die vorliegenden Mittel 30 zur Kontaktsicherung zugleich Lötinitialisierungsgebilde 33 aus, mittels welchen immer ein Kontaktbereich 34, wenn auch nur ein kleiner Kontaktbereich, zwischen den ersten Kontaktflächen 26 und den zweiten Kontaktflächen 27 ausgebildet ist. Dies trifft selbst dann zu, wenn Bereiche der ersten Kontaktflächen 26 und zweiten Kontaktflächen 27 sich nicht berührend gegenüber liegen.Since the contact-securing
Dies liegt daran, dass die Kontaktsicherungszapfen 29 Erhebungen 35 innerhalb der ersten Kontaktflächen 26 und die Kontaktsicherungsnaben 31 Senken 36 innerhalb der zweiten Kontaktflächen 27 bilden.This is because the contact-securing
Allein dieses Anordnen der Erhebungen 35 und Senken 36 zueinander bedingt bereits eine sehr gute Kontaktsicherung der ersten Kontaktflächen 26 und der zweiten Kontaktflächen 27 zueinander, so dass sich in den Lötbereichen 28 betriebssicher immer sehr gute Lötverbindungen ausbilden können, wodurch wiederum die Sammelkästen 21 insgesamt sehr druckstabil sind und sich darüber hinaus durch einen hohen Berstdruck auszeichnen.Alone, this arranging the
Da die Mittel 30 zur Kontaktsicherung diesbezüglicher Erhebungen 35 und Senken 36 zusätzlich formschlüssig miteinander verbunden sind, indem die Kontaktsicherungszapfen 29 mit den Kontaktsicherungsnaben 31 verpresst werden, ist eine besonders innige Berührung der ersten Kontaktflächen 26 und der zweiten Kontaktflächen 27 gewährleistet (siehe insbesondere
Hierbei sind auch verpresste und damit besonders feste Zapfen-Nabe-Verbindungen 37 mittels der Mittel 30 zur Kontaktsicherung an den Sammelkästen 21 bereitgestellt.In this case, also pressed and thus particularly strong pin-
Damit insbesondere im Längstrennwandbereich 25 der Sammelkästen 21 trotz der Mittel 30 zur Kontaktsicherung genügend große Kontaktflächen 26 und 27 zum Ausbilden der Lotbereiche 28 zur Verfügung stehen, sind die Mittel 30 zur Kontaktsicherung jeweils um einen Abstand 38 (exemplarisch nur hinsichtlich der
- 11
- WärmeübertragerHeat exchanger
- 22
- Kühlernetzradiator core
- 33
- KühlwassereinlaufkastenCooling water inlet box
- 44
- KühlwasserablaufkastenCooling water drain box
- 55
- KühlwasserrohreCooling water pipes
- 66
- KühlrippenwellenFins waves
- 77
- Kühlrippencooling fins
- 88th
- Haltestegholding web
- 99
- Rohrbodentube sheet
- 1010
- Kastenteilbox part
- 1111
- Nahtseam
- 1212
- Oberseitetop
- 1313
- erster Verschlussfirst closure
- 1414
- Unterseitebottom
- 1515
- weiterer Verschlussanother closure
- 1616
- KühlwasserzulaufCooling water inlet
- 1717
- KühlwasserablaufCooling water outlet
- 1818
- rechter Winkelright angle
- 1919
- Längserstreckunglongitudinal extension
- 2020
- Durchzügeby trains
- 2121
- Sammelkästencollection boxes
- 2222
- längliche Ränderelongated edges
- 2323
- VorfixierlaschenVorfixierlaschen
- 2424
- Mittelachsecentral axis
- 2525
- LängstrennwandbereichLongitudinal partition area
- 2626
- erste Kontaktflächenfirst contact surfaces
- 2727
- zweite Kontaktflächensecond contact surfaces
- 2828
- Lötbereichensolder bumps
- 2929
- KontaktsicherungszapfenContact security bolts
- 3030
- Mittel zur KontaktsicherungMeans for contact security
- 3131
- KontaktsicherungsnabenContact securement hubs
- 3232
- DurchgangslöcherThrough holes
- 3333
- LötinitialisierungsgebildeLötinitialisierungsgebilde
- 3434
- Kontaktbereichecontact areas
- 3535
- Erhebungensurveys
- 3636
- SenkenReduce
- 3737
- Zapfen-Nabe-VerbindungPin-hub connection
- 3838
- Abstanddistance
Claims (3)
- A collecting box (3, 4, 21), in particular of a heat exchanger (1) of a motor vehicle, with a pipe bottom (9) comprising first contact surfaces (26), with a box part (10) comprising second contact surfaces (27), wherein the pipe bottom (9) and the box part (10) are soldered to one another on soldering areas (28), and wherein the first contact surfaces (26) and the second contact surfaces (27) are capable of forming the soldering areas (28), with means (30) for contact stability, by means of which a critical detachment of the contact surfaces (26, 27) from each other is prevented in the soldering areas (28), wherein the means (30) for contact stability are arranged on a longitudinal partition wall portion (25) of the collecting box (3, 4, 21) and the means (30) for contact stability are arranged within the soldering areas (28), wherein the means (30) are contact stability pins (29) of the pipe bottom (9) and contact stability hubs (31) of the box part (10) which are pressed together, wherein the means (30) for contact stability have soldering initialisation structures (33), wherein the contact stability pins (29) form elevations (35) within the first contact surfaces (26) and the contact stability hubs (31) form depressions (36) within the second contact surfaces (27), wherein the elevations (35) of the means (30) for contact stability and the depressions (36) of the means (30) for contact stability are positively connected with one another, wherein the contact stability pins (29) penetrate the contact stability hubs (31) and wherein the pipe bottom (9) has a plurality of pre-fastening flaps (23) on its longitudinal edges.
- The collecting box (3, 4, 21) according to claim 1, characterised in that the means (30) for contact stability are arranged along a longitudinal axis (24) of the collecting box (21) in a spaced-apart manner.
- A heat exchanger (1), in particular a capacitor, of a motor vehicle, with a heat exchanger block (2) and with collecting boxes (3, 4, 21), wherein cooling pipes (5) of the heat exchanger block (2) end in the collecting boxes (3, 4, 21), characterised by a collecting box (3, 4, 21) according to one of the preceding claims.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008029420A DE102008029420A1 (en) | 2008-06-23 | 2008-06-23 | Collection box, in particular a heat exchanger of a motor vehicle, and heat exchanger, insbesondere capacitor, a motor vehicle |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2138798A2 EP2138798A2 (en) | 2009-12-30 |
EP2138798A3 EP2138798A3 (en) | 2013-08-21 |
EP2138798B1 true EP2138798B1 (en) | 2017-07-19 |
Family
ID=41100869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09008186.0A Not-in-force EP2138798B1 (en) | 2008-06-23 | 2009-06-23 | Header box, in particular of a heat exchanger for automotive vehicle and heat exchanger, more particularly condenser for automotive vehicle |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2138798B1 (en) |
DE (1) | DE102008029420A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012002234A1 (en) | 2012-02-04 | 2013-08-08 | Volkswagen Aktiengesellschaft | Heat exchanger, particularly radiator for vehicle, has multiple fins oriented perpendicular to tubing, where adjacent fins surround intermediate space by spacers, and sections of web or spacer are formed on base side or on mold side of fin |
DE102013021733A1 (en) * | 2013-12-20 | 2015-06-25 | Jürgen Servay | Cooler for pressurized gases |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006129598A1 (en) * | 2005-06-01 | 2006-12-07 | Showa Denko K.K. | Heat exchanger |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5366008A (en) * | 1993-08-16 | 1994-11-22 | General Motors Corporation | Method of manufacturing header condensers |
US6216776B1 (en) * | 1998-02-16 | 2001-04-17 | Denso Corporation | Heat exchanger |
US6745827B2 (en) * | 2001-09-29 | 2004-06-08 | Halla Climate Control Corporation | Heat exchanger |
US20030159813A1 (en) | 2002-02-28 | 2003-08-28 | Norsk Hydro | Heat exchanger manifold and method of assembly |
WO2004040038A1 (en) * | 2002-10-30 | 2004-05-13 | Showa Denko K.K. | Heat exchanger, heat exchanger tube member, heat exchanger fin member and process for fabricating the heat exchanger |
DE10315371A1 (en) | 2003-04-03 | 2004-10-14 | Behr Gmbh & Co. Kg | Heat exchanger |
US20060254760A1 (en) | 2003-08-05 | 2006-11-16 | Behr Gmbh & Kg | Heat exchanging device |
-
2008
- 2008-06-23 DE DE102008029420A patent/DE102008029420A1/en not_active Withdrawn
-
2009
- 2009-06-23 EP EP09008186.0A patent/EP2138798B1/en not_active Not-in-force
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006129598A1 (en) * | 2005-06-01 | 2006-12-07 | Showa Denko K.K. | Heat exchanger |
Also Published As
Publication number | Publication date |
---|---|
EP2138798A2 (en) | 2009-12-30 |
EP2138798A3 (en) | 2013-08-21 |
DE102008029420A1 (en) | 2009-12-24 |
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