DE19800191A1 - Flat radiators - Google Patents
Flat radiatorsInfo
- Publication number
- DE19800191A1 DE19800191A1 DE1998100191 DE19800191A DE19800191A1 DE 19800191 A1 DE19800191 A1 DE 19800191A1 DE 1998100191 DE1998100191 DE 1998100191 DE 19800191 A DE19800191 A DE 19800191A DE 19800191 A1 DE19800191 A1 DE 19800191A1
- Authority
- DE
- Germany
- Prior art keywords
- plate
- front plate
- plates
- welding
- flat
- 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- Withdrawn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
- 238000003466 welding Methods 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 2
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000742 Microalloyed steel Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
-
- 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
- F28D1/03—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 plate-like or laminated conduits
- F28D1/0308—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other
-
- 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
- B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
- B21D53/045—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal by inflating partially united plates
-
- 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
- F28F3/14—Elements constructed in the shape of a hollow panel, e.g. with channels by separating portions of a pair of joined sheets to form channels, e.g. by inflation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Laser Beam Processing (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Die Erfindung betrifft einen Flachheizkörper aus zwei aneinanderliegenden Platten, die an den Rändern und im Abstand zum Rand an einzelnen Stellen durch Schweißen aneinander befestigt sind. Die vordere flache Platte weist eine größere Dicke auf als die hintere gewellte Platte. Die Verformung der hinteren Platte erfolgt durch Einbringen eines Fluids unter Druck zwischen beide Platten.The invention relates to a flat radiator from two adjacent plates, which are attached to one another at the edges and at a distance from the edge by welding. The front flat plate is thicker than the rear corrugated plate. The rear plate is deformed by introducing a fluid under pressure between the two plates.
Description
Die Erfindung betrifft einen Flachheizkörper aus zwei aneinanderliegenden Stahlplatten, die an den Rändern und im Abstand zum Rand an einzelnen Stellen durch Schweißen aneinander befestigt sind, wobei die vordere flache Platte eine größere Dicke aufweist als die hintere gewellte Platte.The invention relates to a flat radiator from two adjacent steel plates on the edges and at a distance from the edge at individual points by welding are attached to each other, the front flat Plate has a greater thickness than the rear one corrugated plate.
Es ist bekannt, Flachheizkörper aus zwei Platten aneinander zu schweißen, wobei beide Platten mit Wellungen vorgeformt sind. Die äußeren Ränder sind durch Rollnahtschweißung miteinander verbunden und die in der Fläche befindlichen Stellen sind punktgeschweißt. Wird für die vordere Seite eine flache Platte gewählt, so zeichnen sich die Schweißstellen besonders stark ab. Um dies zu verhindern, wurde versucht, die vordere Platte sehr dick zu wählen. Dies führt aber zu einer erheblichen Gewichtserhöhung. Ferner wurde durch Abschleifen der Vorderseite und anschließendem Lackieren versucht, die sichtbaren Spuren der Nähte zu beseitigen. Dies gelingt aber nur unvollständig. Schweißnähte und Schweißpunkte zeichnen sich nicht nur ab, ein zusätzlicher Nachteil ist, daß durch den Unterschied in Material und Form der vorderen und hinteren Platte, der Flachheizkörper dazu neigt, sich zu verziehen. Die Spannungen der Schweißnähte verhalten sich in der vorderen Platte anders als in der hinteren Platte. Ferner kann bei einer nicht ausreichend dicken Vorderplatte nicht verhindert werden, daß diese sich auch wellt.It is known flat radiators made of two plates to weld to each other, both plates with corrugations are preformed. The outer edges are through Roll seam welding joined together and that in the Spot areas are spot welded. Is for the front side chose a flat plate, so draw the welding spots become particularly sharp. To do this To prevent it, the front plate was tried very thick to choose. But this leads to a considerable one Weight gain. Furthermore, by grinding the Front and then painting tried that remove visible traces of the seams. This succeeds but only incomplete. Welds and weld spots are not just emerging, an additional disadvantage is that the difference in material and shape of the front and rear plate, the flat radiator tends to warp. The tension of the welds behave differently in the front plate than in the rear plate. Furthermore, one may not be sufficient thick front panel cannot prevent this also curls.
Aufgabe der Erfindung ist es, einen Flachheizkörper der eingangs genannten Art so zu verbessern, daß bei nicht zu dicker Vorderplatte die Schweißungen an deren Vorderseite nicht sichtbar sind.The object of the invention is to provide a flat radiator to improve the type mentioned so that at not too thick front plate the welds on the front are not visible.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Verformung der hinteren Platte durch Einbringen eines Fluids unter Druck zwischen beide Platten erfolgt.This object is achieved in that the deformation of the rear plate by inserting a Fluids under pressure between the two plates.
Ein solcher Flachheizkörper hat eine völlig flache Vorderplatte, auf der Schweißnähte nicht zu sehen sind. Hierbei ist die Herstellung einfach und führt zu Flachheizkörpern mit verhältnismäßig geringem Gewicht.Such a flat radiator has a completely flat one Front plate on which welding seams cannot be seen. Here, the manufacture is simple and leads to Flat radiators with a relatively low weight.
Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen aufgeführt.Advantageous embodiments of the invention are in the Subclaims listed.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen An embodiment of the invention is in the Drawing shown and will be described in more detail below described. Show it
Fig. 1 eine Seitenansicht eines Flachheizkörpers, Fig. 1 is a side view of a flat radiator,
Fig. 2 einen Schnitt nach A-A in Fig. 1, Fig. 2 shows a section according to AA in Fig. 1,
Fig. 3 einen Ausschnitt aus Fig. 2. Fig. 3 shows a detail from FIG. 2.
Zu Beginn sind sowohl die vordere 1 als auch die hintere Platte 2 völlig flach und werden durch Laserschweißen miteinander an allen Rändern sowie auch an Stellen über der Fläche verbunden. Die Schweißung 4 wird von der Seite der hinteren Platte 2 initiiert. Die Laserschweißung dringt völlig durch die Hinterplatte 2 und teilweise durch die Vorderplatte 1. Bei richtiger Wahl von Dicke und Material der Platten und durch Optimierung der Schweißparameter gibt es keine Abzeichnungen der Schweißungen an der Vorderseite der Platte.At the beginning, both the front 1 and the rear plate 2 are completely flat and are connected to one another at all edges as well as at locations above the surface by laser welding. The weld 4 is initiated from the rear plate 2 side. The laser welding penetrates completely through the rear plate 2 and partly through the front plate 1 . With the correct choice of the thickness and material of the plates and by optimizing the welding parameters, there are no marks on the welds on the front of the plate.
Die Wasserkanäle 5 werden durch Aufblasen des Zwischenraumes zwischen den Platten erhalten. Durch eine Anschlußöffnung wird ein Medium unter Hochdruck eingeführt und beide Platten gehen zwischen den Schweißnähten auseinander um hohle Wellen 3 zu bilden. Damit nicht die Vorderplatte 1, sondern nur die Hinterplatte 2 sich wellt, ist die Vorderplatte mindestens 1,8 mm dick und die Hinterplatte etwa 1 mm dick. Die Kanalhöhe beträgt hierbei <2 mm.The water channels 5 are obtained by inflating the space between the plates. A medium is introduced under high pressure through a connection opening and the two plates diverge between the weld seams to form hollow shafts 3 . So that not the front plate 1 , but only the rear plate 2 curls, the front plate is at least 1.8 mm thick and the rear plate is approximately 1 mm thick. The channel height is <2 mm.
Vorderplatte und Hinterplatte werden aus unterschiedlichen Materialien und/oder Materialdicke gewählt. Die Vorderplatte 1 besteht aus sehr hartem Material und die Hinterplatte 2 aus Tiefziehqualität.Front plate and rear plate are selected from different materials and / or material thickness. The front plate 1 consists of very hard material and the rear plate 2 of deep-drawing quality.
Die Vorderplatte ist sehr stabil und verformt sich nicht während des Aufblasens. Die Hinterplatte ist sehr flexibel und verformt sich während des Aufblasens leicht. Microlegierte Stahlarten sind von Vorteil. Die Vorderplatte besteht aus hochstarkem Stahl mit einer hohen Streckgrenze, die Hinterplatte aus Tiefziehqualität mit einer niedrigen Streckgrenze. Damit es keine Abzeichnung der Schweißnähte an der Vorderseite gibt, ist eine Mindestdicke der Vorderplatte erforderlich. Die Hinterplatte ist möglichst dünn, damit der Aufblasprozeß vereinfacht wird. Die Dicke der Vorderplatte ist mindestens 50% größer als die der Hinterplatte.The front plate is very stable and does not deform while inflating. The back plate is very flexible and easily deforms during inflation. Micro-alloyed steel types are an advantage. The Front plate is made of high-strength steel with a high yield strength, the back plate out Thermoforming quality with a low yield strength. So that there is no marking of the weld seams on the Front there is a minimum thickness of the front panel required. The back plate is as thin as possible, so the inflation process is simplified. The thickness of the Front plate is at least 50% larger than that of the Backplate.
Das Verhältnis des Produkts der Streckgrenze der Vorderplatte mit der Dicke der Vorderplatte zu dem Produkt der Streckgrenze der Hinterplatte mit der Dicke der Hinterplatte ist <=3,3.The ratio of the product to the yield strength of the Front plate with the thickness of the front plate to that Product of the yield strength of the back plate with the thickness the rear plate is <= 3.3.
Es gilt somit: (Re(1)×d(1))/(Re(2)×d(2))<=3,3, wobei Re(1) und Re(2) die Streckgrenzen der Vorder- bzw. Hinterplatte und d(1) sowie d(2) die Dicken der Vorder- bzw. Hinterplatte sind.The following therefore applies: (Re (1) × d (1)) / (Re (2) × d (2)) <= 3.3, where Re (1) and Re (2) are the yield strengths of the front and Back plate and d (1) and d (2) the thicknesses of the Front or rear plate are.
An der Hinterplatte sind Rohrstutzen 6, 7 angeschweißt, durch die das Druckmedium angelegt wird und die später der Wasserführung dienen.Pipe sockets 6 , 7 are welded to the rear plate, through which the pressure medium is applied and which later serve to guide the water.
Während des Eindrückens des Fluids (insbesondere von Wasser) wird die hintere Platte 2 an den Schweißstellen 4 gegen die vordere Platte 1 gedrückt. Hierzu sind Stempel 8 vorgesehen, deren vordere Druckflächen in Größe und Form den Schweißstellen 4 entsprechen. Während dieses Arbeitsvorganges liegt die vordere Platte 1 mit ihrer Vorderseite auf einer ebenen festen Unterlage.While the fluid (in particular water) is being pressed in, the rear plate 2 is pressed against the front plate 1 at the welding points 4 . For this purpose, stamps 8 are provided, the front printing surfaces of which correspond in size and shape to the welding points 4 . During this process, the front plate 1 lies with its front side on a flat solid surface.
Claims (11)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1998100191 DE19800191A1 (en) | 1998-01-07 | 1998-01-07 | Flat radiators |
| EP98117710A EP0928941A3 (en) | 1998-01-07 | 1998-09-18 | Flat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1998100191 DE19800191A1 (en) | 1998-01-07 | 1998-01-07 | Flat radiators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE19800191A1 true DE19800191A1 (en) | 1999-09-16 |
Family
ID=7854024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1998100191 Withdrawn DE19800191A1 (en) | 1998-01-07 | 1998-01-07 | Flat radiators |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0928941A3 (en) |
| DE (1) | DE19800191A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE520673C2 (en) * | 2001-12-17 | 2003-08-12 | Alfa Laval Corp Ab | Plate package, procedure for its manufacture, use of a plate package, and plate heat exchanger |
| DE102007055910A1 (en) * | 2007-10-25 | 2009-04-30 | Baumüller Nürnberg GmbH | Cooling jacket, in particular for electrical machines, and production method therefor |
| DE102009025521A1 (en) | 2009-06-19 | 2010-12-23 | Kurt Preissler | Tube heating element i.e. decorative bath heating element, has transverse pipes connected with collecting pipes, where connections of transverse pipes consist of sleeves that are sealed to outer side, plugged and frictionally clamped |
| DE102011105282A1 (en) * | 2011-06-10 | 2012-12-13 | Claas Selbstfahrende Erntemaschinen Gmbh | Method and device for manufacturing multi-layered components |
| EP2863146A1 (en) * | 2013-10-18 | 2015-04-22 | Rodomach Speciaalmachines B.V. | Method for producing an absorber for a solar collector, and a solar collector |
| US10727552B2 (en) * | 2015-11-04 | 2020-07-28 | Ford Global Technologies, Llc | Heat exchanger plate for electrified vehicle battery packs |
| FR3108967B1 (en) | 2020-04-02 | 2022-12-23 | Ideal Therm | Heating-cooling walls and ceilings |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD59537A (en) * | ||||
| US2882588A (en) * | 1954-03-10 | 1959-04-21 | Metal Specialty Company | Simultaneous pressure welding and pressure forming |
| US3004329A (en) * | 1956-08-23 | 1961-10-17 | Rudy Mfg Company | Heat exchanger and method of construction |
| DE2604879A1 (en) * | 1976-02-07 | 1977-08-11 | Gerhard & Rauh | Panel type cooling and heating elements - made from plates joined at edges and expanded by fluid pressure |
| DE3004597A1 (en) * | 1980-02-08 | 1981-08-13 | Gerhard & Rauh, 8413 Regenstauf | Air-conditioning body prodn. method - uses medium under pressure to distort outer plates outwards where not welded to inner plates |
| DE3042602A1 (en) * | 1980-11-12 | 1982-06-24 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Heat exchange panel mfd. from copper block - includes bores with stainless tubes inserted, then rolled out and tubes inflated |
| DE3926048A1 (en) * | 1989-08-07 | 1991-02-14 | Kabelmetal Ag | Method of producing embedded heat exchanger panels - has panel rolled from copper block with through holes followed by inflation with compressed air |
| DE4426097A1 (en) * | 1994-07-22 | 1996-01-25 | Kloeckner Stahl Gmbh | Process for the production of hollow body structures from sheet metal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3458917A (en) * | 1966-01-03 | 1969-08-05 | Mueller Co Paul | Method of fabricating metal sheets with fluid passages |
| FR2225230B1 (en) * | 1973-04-16 | 1978-12-22 | Nordon & Cie Sa | |
| FR2652016A1 (en) * | 1989-09-18 | 1991-03-22 | Champagne Station Oenotechniqu | Method of producing a heat exchanger on a vessel (tank) or the like |
| GB9304449D0 (en) * | 1993-03-04 | 1993-04-21 | Imi Marston Ltd | Expanded structures |
| DE4416645A1 (en) * | 1994-05-11 | 1995-11-16 | Wet Tex Maschinenbau Gmbh | Double-walled sheet element for making containers |
-
1998
- 1998-01-07 DE DE1998100191 patent/DE19800191A1/en not_active Withdrawn
- 1998-09-18 EP EP98117710A patent/EP0928941A3/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD59537A (en) * | ||||
| US2882588A (en) * | 1954-03-10 | 1959-04-21 | Metal Specialty Company | Simultaneous pressure welding and pressure forming |
| US3004329A (en) * | 1956-08-23 | 1961-10-17 | Rudy Mfg Company | Heat exchanger and method of construction |
| DE2604879A1 (en) * | 1976-02-07 | 1977-08-11 | Gerhard & Rauh | Panel type cooling and heating elements - made from plates joined at edges and expanded by fluid pressure |
| DE3004597A1 (en) * | 1980-02-08 | 1981-08-13 | Gerhard & Rauh, 8413 Regenstauf | Air-conditioning body prodn. method - uses medium under pressure to distort outer plates outwards where not welded to inner plates |
| DE3042602A1 (en) * | 1980-11-12 | 1982-06-24 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Heat exchange panel mfd. from copper block - includes bores with stainless tubes inserted, then rolled out and tubes inflated |
| DE3926048A1 (en) * | 1989-08-07 | 1991-02-14 | Kabelmetal Ag | Method of producing embedded heat exchanger panels - has panel rolled from copper block with through holes followed by inflation with compressed air |
| DE4426097A1 (en) * | 1994-07-22 | 1996-01-25 | Kloeckner Stahl Gmbh | Process for the production of hollow body structures from sheet metal |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0928941A2 (en) | 1999-07-14 |
| EP0928941A3 (en) | 1999-12-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8127 | New person/name/address of the applicant |
Owner name: BRUGMAN INTERNATIONAL B.V., TUBBERGEN, NL |
|
| 8139 | Disposal/non-payment of the annual fee |