EP0772006A2 - Cooled ceiling element - Google Patents

Cooled ceiling element Download PDF

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Publication number
EP0772006A2
EP0772006A2 EP96115948A EP96115948A EP0772006A2 EP 0772006 A2 EP0772006 A2 EP 0772006A2 EP 96115948 A EP96115948 A EP 96115948A EP 96115948 A EP96115948 A EP 96115948A EP 0772006 A2 EP0772006 A2 EP 0772006A2
Authority
EP
European Patent Office
Prior art keywords
sheet metal
metal plate
ceiling
plate
pipeline
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
Application number
EP96115948A
Other languages
German (de)
French (fr)
Other versions
EP0772006A3 (en
EP0772006B1 (en
Inventor
Detlef Dipl.-Ing. Makulla
Willibald Meier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Krantz TKT GmbH
H Krantz TKT GmbH
Original Assignee
Krantz TKT GmbH
H Krantz TKT GmbH
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Filing date
Publication date
Application filed by Krantz TKT GmbH, H Krantz TKT GmbH filed Critical Krantz TKT GmbH
Publication of EP0772006A2 publication Critical patent/EP0772006A2/en
Publication of EP0772006A3 publication Critical patent/EP0772006A3/en
Application granted granted Critical
Publication of EP0772006B1 publication Critical patent/EP0772006B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F28D1/04—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
    • F28D1/047—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 bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—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 bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089—Systems using radiation from walls or panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089—Systems using radiation from walls or panels
    • F24F5/0092—Systems using radiation from walls or panels ceilings, e.g. cool ceilings
    • 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
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/22—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements

Definitions

  • the invention relates to a cooling ceiling element made of a sheet metal plate and a pipeline, which is fastened on one side of the sheet metal plate and extends in a plane in a meandering manner over its base area at regular intervals.
  • Cooling ceilings are produced from such well-known cooling ceiling elements, which have the task of dissipating cooling loads occurring in connection with a source ventilation in the area where people are staying.
  • room ceilings are completely or partially covered with cold water-carrying heat exchangers, which lower and maintain the ceiling temperature below room temperature, so that such room ceilings are referred to as chilled ceilings and the heat exchangers used as chilled ceiling elements.
  • room ceilings such as open grid ceilings, directional metal angular ceilings or closed plaster ceilings, which can also be installed as acoustic ceilings, are known. Since ceilings have an architecturally high priority, chilled ceiling elements should be designed in such a way that they allow the execution of the ceilings without significantly restricting the design and geometry.
  • the efficiency of a cooling ceiling element described at the outset and thus also the efficiency of the cooling ceiling as a whole is significantly influenced by the manner of the connection between the sheet metal plate and the pipeline.
  • retaining profiles of the most varied of embodiments are generally known, which on the one hand are to be fastened to the sheet metal plate and on the other hand clasp sections of the pipeline.
  • the attachment of a large number of holding profiles to a sheet metal plate is labor intensive the heat transfer to the partial surfaces of the pipeline, which are brought into contact with the sheet metal plate directly or at least indirectly via the holding profiles.
  • the invention has for its object to provide a chilled ceiling element of the type described in such a way that it is characterized by a large-area direct connection between the sheet metal plate and the pipeline, is simple to manufacture in series and can also be varied at the place of use with little effort, whereby In particular, the cold water piping including the pipe spacing can be adapted to the respective requirements.
  • the arrangement according to the invention of sections of the pipeline in beads of the sheet metal plate results in a large-area contact between the pipeline and the sheet metal plate, without having to rely on specially designed holding profiles, tensioning elements and similar aids. Instead, it is sufficient to profile the sheet metal plate such that beads are preferably provided over its width at regular intervals, which beads extend continuously over the length of the sheet metal plate.
  • the density of the straight lines of the pipeline can be varied in such a way that a line of the pipeline is laid either through each bead or only through every second, third or any subsequent bead.
  • the sheet metal plate is braced, which has an effect in particular about an axis perpendicular to the longitudinal extension of the bead.
  • the number of fastening points on the cooling ceiling element can be reduced without having to fear significant deflection.
  • the sheet metal plate can be reduced to the required dimensions in the longitudinal and transverse directions to the beads and cut to size Condition with a pipeline. So prepared, the chilled ceiling element, e.g. B. on a grid ceiling, simply placed on pre-assembled cross brackets or, for. B. with a closed plaster ceiling, be fixed against the plaster base plate.
  • the ends of the pipeline are dimensioned so long that a connection to a main pipeline can be established using commercially available connections.
  • the beads have an omega-shaped cross section, so that the pipeline can be pressed into the beads and is held therein under clamping force.
  • a cladding plate can also be used, which extends at least over the base area of the sheet metal plate and blocks the opening cross section of all the beads.
  • the straightened sections of the pipeline are connected to one another outside the beads provided in the sheet metal plate via arcuate pipeline pieces so that the pipeline is meandering overall.
  • this preferably also extends over the arcuate pipe pieces and also covers them so that their connections are also covered.
  • an embodiment of the invention provides that the sheet metal plate is provided outside the beads with perforations evenly distributed over the base, so that sound waves can penetrate into the ceiling cavity and be absorbed there.
  • the cooling ceiling element essentially consists of a sheet metal plate 1 and a pipeline 2 as well as a cladding plate 3 which is not absolutely necessary.
  • the sheet metal plate 1 consists of an aluminum sheet which has ⁇ -shaped beads at intervals across its width, which extend continuously over the length of the sheet metal plate 1.
  • the pipe 2 consists of flexible copper pipe or mild steel pipe or of flexible, diffusion-tight plastic pipe and has straight sections 5, which are embedded in the beads 4 and are connected via arcuate pipe pieces 6 outside the base of the sheet metal plate 1 so that the pipe 2 as a whole runs meandering and can be connected in a conventional manner with end pieces 7, 8 to a supply or return line, not shown, of a cold water-carrying main line.
  • the cladding plate 3 which can be connected in a conventional manner to the sheet metal plate, is also made of aluminum and is flush on its long sides with the sheet metal plate 1, while it projects over the transverse sides thereof. With the cladding plate 3, the arcuate pipe pieces 6 and the end pieces 7 and 8 with their connections are therefore also concealable.
  • the meandering pipe 2 can be simply clipped into the beads of the sheet metal plate 1, provided that the beads 4, as shown in the exemplary embodiments, have a cross-sectional contour with a slightly smaller opening width than the outside diameter of the pipe 2.
  • cooling elements are inserted into commercially available ceiling panels (e.g. metallic long-field cassettes)
  • good contact between the sheet metal plate 1 of the cooling element and a respective ceiling panel 9 shown in FIGS. 3 to 7 is necessary in order to achieve a high cooling capacity.
  • This is often difficult in practice, since the ceiling panel 9 already has a deflection due to its own weight and this should generally not be further enlarged for optical reasons.
  • Clamping brackets which press the cooling element onto the ceiling plate 9.
  • the pretension of these brackets must, however, be matched very precisely to the deflection of the ceiling plate 9 in order not to increase the already existing deflection.
  • this pretension must be varied depending on the width of the ceiling panel 9 and these clamps require a specific connecting element to the ceiling panel 9 due to the different manufacturing-specific designs of edging the ceiling panel 9. This results in considerable costs for preliminary tests with regard to preloading and for storage.
  • Another disadvantage is that the special design of the ceiling plate 9 must be known in project processing.
  • the cladding panel 3 shown in Figures 1 and 2 is not required in this embodiment.
  • the bead 4 is dimensioned so that there is a cavity 10 between the copper tube 5 and the ceiling plate 9, which holds an elastic adhesive material 11, preferably with good thermal conductivity. This can be applied in pasty form or as an adhesive tape.
  • the adhesive material 11 can already be applied to the cooling element during the prefabrication.
  • the connection to the ceiling plate 9 is then made at the construction site, for example by pulling off a protective strip from the adhesive material 11.
  • the accommodation of the adhesive material 11 in the bead 4 has the advantage that no additional material gets between the sheet metal plate 1 and the ceiling plate 9, which deteriorates the heat transfer.
  • adhesive material 11 with poor thermal conductivity can also be used. If adhesive material 11 with good thermal conductivity is used, there is an improvement since a broad-area transfer surface is created compared to a linear support of the pipeline 2.
  • the stability of the overall component is improved by the gluing of the cooling element to the ceiling plate 9 and in particular the deflection of the ceiling plate 9 itself is reduced.
  • the adhesive material 11 ' can also be accommodated in a separate bead 12.
  • a fabric-like adhesive strip will have to be used in order to prevent pasty adhesive from passing through the perforation of the ceiling panel.
  • a pasty adhesive can also be used, in which case there are at least two bores 13 in the bead 12.
  • the pasty adhesive material 11 ' is pressed into one of these bores 13.
  • the other bore 13 serves for the exit of the adhesive material 11 'or for checking whether the bead 12 is filled.
  • FIG. 4 A further fastening possibility is shown in FIG. 4.
  • tabs 14 are produced from the sheet metal plate 1, which is to be connected to the ceiling plate 9, by three-sided punching out.
  • On each tab 14 becomes the ceiling plate 9 facing side applied a double-sided adhesive tape 15. Since, as a rule, the cooling elements are only connected to the ceiling panels at the construction site, the protective film is only removed from the underside of the band 15 here and the tab 14 is pressed onto the ceiling panel 9.
  • the adhesive even creates a tensile stress through the tab 14, which wants to spring back into its original position, and improves the contact pressure.
  • connection of the ceiling plate 9 to the sheet metal plate 1 is carried out by introducing a connecting element, consisting of a round spring steel plate 17 with adhesive layer 18, into a recess 16 in the sheet metal plate 1.
  • a connecting element consisting of a round spring steel plate 17 with adhesive layer 18, into a recess 16 in the sheet metal plate 1.
  • the sheet metal plate 1 and thus the cooling element are pressed onto the ceiling plate 9 by the resilient edge regions.
  • FIG. 6 shows an embodiment in which an adhesive connection is dispensed with and a purely mechanical connection is selected.
  • the sheet metal plate 1 is provided in the edge region with a double edging 19, the horizontal end of which engages under an edging 20 of the ceiling plate 9. Manufacturing tolerances are compensated for by an elastic intermediate layer 21 and, at the same time, the cooling element is pressed onto the ceiling plate 9.
  • a sagging of the ceiling plate 9 is counteracted by a two-part adjusting bracket 22 or 22 ′, which engages with grooves in the upper horizontal edging of the ceiling panel 9.
  • the force is adjustable by means of the telescopically adjustable adjusting bracket 22 or 22 ', bores 23 being used to receive a pin for the purpose of locking.
  • springs 24 can be pressed by springs 24 and thus good thermal contact between the cooling element and the ceiling plate 9 can be achieved.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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  • Steam Or Hot-Water Central Heating Systems (AREA)
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Abstract

The element has straight sections (5) of tubing (2) let into corrugations of corresponding dimensions in a cooling panel (1). The corrugations preferably have an OMEGA -shaped cross section and can be covered by a cladding plate (3) extending over and attached to the base surface of the panel. Straight sections of tubing are connected together by tube bend sections (6). Perforations may be provided in the cladding plate and the cooling panel outside the area of the corrugations.

Description

Die Erfindung betrifft ein Kühldeckenelement aus einer Blechplatte und einer Rohrleitung, die auf einer Seite der Blechplatte befestigt ist und sich in einer Ebene mäanderförmig über deren Grundfläche in gleichmäßigen Abständen erstreckt.The invention relates to a cooling ceiling element made of a sheet metal plate and a pipeline, which is fastened on one side of the sheet metal plate and extends in a plane in a meandering manner over its base area at regular intervals.

Aus derartigen allgemein bekannten Kühldeckenelementen werden Kühldecken hergestellt, welche die Aufgabe haben, vorzugsweise in Verbindung mit einer Quellüftung im Aufenthaltsbereich von Personen anfallende Kühllasten abzuführen. Dazu werden Raumdecken vollständig oder teilweise mit kaltwasserführenden Wärmetauschern belegt, welche die Deckentemperatur unterhalb der Raumtemperatur absenken und halten, so daß man derartige Raumdecken als Kühldecken und die eingesetzten Wärmetauscher als Kühldeckenelemente bezeichnet.Cooling ceilings are produced from such well-known cooling ceiling elements, which have the task of dissipating cooling loads occurring in connection with a source ventilation in the area where people are staying. For this purpose, room ceilings are completely or partially covered with cold water-carrying heat exchangers, which lower and maintain the ceiling temperature below room temperature, so that such room ceilings are referred to as chilled ceilings and the heat exchangers used as chilled ceiling elements.

Zahlreiche Varianten von Raumdecken, wie beispielsweise offene Rasterdecken, richtungslose Metallangfelddecken oder geschlossene Putzdecken, die auch als Akustikdecken eingebaut werden können, sind bekannt. Da Raumdecken einen architektonisch hohen Stellenwert besitzen, sollen Kühldeckenelemente so gestaltet sein, daß diese die Ausführung der Raumdecken ohne wesentliche Einschränkung der Bauart und Geometrie erlauben.Numerous variants of room ceilings, such as open grid ceilings, directional metal angular ceilings or closed plaster ceilings, which can also be installed as acoustic ceilings, are known. Since ceilings have an architecturally high priority, chilled ceiling elements should be designed in such a way that they allow the execution of the ceilings without significantly restricting the design and geometry.

Der Wirkungsgrad eines eingangs beschriebenen Kühldeckenelementes und damit auch der Wirkungsgrad der Kühldecke insgesamt, wird wesentlich beeinflußt durch die Art und Weise der Verbindung zwischen der Blechplatte und der Rohrleitung. Dazu sind Halteprofile der verschiedensten Ausführungsformen allgemein bekannt, die einerseits an der Blechplatte zu befestigen sind und andererseits Teilstücke der Rohrleitung umklammern. Abgesehen davon, daß die Befestigung einer großen Anzahl von Halteprofilen an einer Blechplatte arbeitsaufwendig ist, beschränkt sich der Wärmeübergang auf die Teilflächen der Rohrleitung, welche mit der Blechplatte unmittelbar oder über die Halteprofile zumindest mittelbar in Kontakt gebracht werden.The efficiency of a cooling ceiling element described at the outset and thus also the efficiency of the cooling ceiling as a whole is significantly influenced by the manner of the connection between the sheet metal plate and the pipeline. For this purpose, retaining profiles of the most varied of embodiments are generally known, which on the one hand are to be fastened to the sheet metal plate and on the other hand clasp sections of the pipeline. Apart from the fact that the attachment of a large number of holding profiles to a sheet metal plate is labor intensive the heat transfer to the partial surfaces of the pipeline, which are brought into contact with the sheet metal plate directly or at least indirectly via the holding profiles.

Der Erfindung liegt die Aufgabe zugrunde, ein Kühldeckenelement der eingangs beschriebenen Art so auszubilden, daß es sich durch eine großflächige unmittelbare Verbindung zwischen der Blechplatte und der Rohrleitung auszeichnet, einfach serienmäßig herzustellen ist und mit einem geringen Aufwand auch noch am Einsatzort variiert werden kann, wobei insbesondere auch die kaltwasserführende Verrohrung einschließlich der Rohrabstände sich den jeweiligen Erfordernissen anpassen lassen.The invention has for its object to provide a chilled ceiling element of the type described in such a way that it is characterized by a large-area direct connection between the sheet metal plate and the pipeline, is simple to manufacture in series and can also be varied at the place of use with little effort, whereby In particular, the cold water piping including the pipe spacing can be adapted to the respective requirements.

Ausgehend von einem Kühldeckenelement der im Oberbegriff des Patentanspruches 1 genannten Art, wird diese Aufgabe erfindungsgemäß durch die im kennzeichnenden Teil des Patentanspruchs 1 angegebenen Merkmale gelöst.Starting from a cooling ceiling element of the type mentioned in the preamble of patent claim 1, this object is achieved according to the invention by the features specified in the characterizing part of patent claim 1.

Durch die erfindungsgemäße Anordnung von Strecken der Rohrleitung in Sicken der Blechplatte, ergibt sich ein großflächiger Kontakt zwischen der Rohrleitung und der Blechplatte, ohne dazu auf speziell ausgebildete Halteprofile, Spannelemente und dergleichen Hilfsmittel angewiesen zu sein. Es genügt stattdessen, die Blechplatte so zu profilieren, daß vorzugsweise über deren Breite in gleichmäßigen Abständen Sicken vorgesehen sind, die sich durchgehend über die Länge der Blechplatte erstrecken. Dabei kann die Dichte der gerade ausgerichteten Strecken der Rohrleitung in der Weise variiert werden, daß entweder durch jede Sicke oder aber lediglich durch jede zweite, dritte oder in beliebigem Abstand folgende Sicke eine Strecke der Rohrleitung verlegt wird. Durch jede der gleichmäßig über die Grundfläche der Blechplatte verteilt angeordneten Sicken erfährt die Blechplatte eine Aussteifung, die sich insbesondere um eine zur Sickenlängserstreckung senkrechte Achse auswirkt. Dadurch läßt sich die Anzahl der Befestigungsstellen am Kühldeckenelement reduzieren, ohne eine nennenswerte Durchbiegung befürchten zu müssen. Weiterhin kann die Blechplatte in Längs- und Querrichtung zu den Sicken auf die jeweils erforderlichen Abmessungen verkleinert und im so zugeschnittenen Zustand mit einer Rohrleitung ausgestattet werden. So vorbereitet, kann das Kühldeckenelement, z. B. bei einer Rasterdecke, auf vormontierten Querkonsolen einfach aufgelegt oder, z. B. bei einer geschlossenen Putzdecke, gegen die Putzträgerplatte punktuell befestigt werden. Die Enden der Rohrleitung werden so lang bemessen, daß mit handelsüblichen Anschlüssen eine Verbindung mit einer Hauptrohrleitung herstellbar ist.The arrangement according to the invention of sections of the pipeline in beads of the sheet metal plate results in a large-area contact between the pipeline and the sheet metal plate, without having to rely on specially designed holding profiles, tensioning elements and similar aids. Instead, it is sufficient to profile the sheet metal plate such that beads are preferably provided over its width at regular intervals, which beads extend continuously over the length of the sheet metal plate. The density of the straight lines of the pipeline can be varied in such a way that a line of the pipeline is laid either through each bead or only through every second, third or any subsequent bead. Through each of the beads, which are evenly distributed over the base area of the sheet metal plate, the sheet metal plate is braced, which has an effect in particular about an axis perpendicular to the longitudinal extension of the bead. As a result, the number of fastening points on the cooling ceiling element can be reduced without having to fear significant deflection. Furthermore, the sheet metal plate can be reduced to the required dimensions in the longitudinal and transverse directions to the beads and cut to size Condition with a pipeline. So prepared, the chilled ceiling element, e.g. B. on a grid ceiling, simply placed on pre-assembled cross brackets or, for. B. with a closed plaster ceiling, be fixed against the plaster base plate. The ends of the pipeline are dimensioned so long that a connection to a main pipeline can be established using commercially available connections.

Bei einer Ausgestaltung der Erfindung weisen die Sicken einen Omega-förmigen Querschnitt auf, so daß sich die Rohrleitung in die Sicken einpressen läßt und unter Klemmkraft darin gehalten wird. Zusätzlich zu dieser Befestigungsart oder an deren Stelle kann auch eine Verkleidungsplatte dienen, die sich mindestens über die Grundfläche der Blechplatte erstreckt und den Öffnungsquerschnitt sämtlicher Sicken versperrt.In one embodiment of the invention, the beads have an omega-shaped cross section, so that the pipeline can be pressed into the beads and is held therein under clamping force. In addition to this type of fastening or in its place, a cladding plate can also be used, which extends at least over the base area of the sheet metal plate and blocks the opening cross section of all the beads.

In einer weiteren Ausgestaltung der Erfindung sind die gerade ausgerichteten Strecken der Rohrleitung außerhalb der in der Blechplatte vorgesehenen Sicken über bogenförmige Rohrleitungsstücke so miteinander verbunden, daß die Rohrleitung insgesamt mäanderförmig verläuft.In a further embodiment of the invention, the straightened sections of the pipeline are connected to one another outside the beads provided in the sheet metal plate via arcuate pipeline pieces so that the pipeline is meandering overall.

Bei Verwendung einer Verkleidungsplatte erstreckt diese sich vorzugsweise auch über die bogenförmigen Rohrleitungsstücke und deckt diese gleichfalls so ab, daß auch deren Anschlüsse mit verkleidet sind.When using a cladding plate, this preferably also extends over the arcuate pipe pieces and also covers them so that their connections are also covered.

Schließlich sieht eine Ausgestaltung der Erfindung noch vor, daß die Blechplatte außerhalb der Sicken mit über die Grundfläche gleichmäßig verteilten Perforationen versehen ist, so daß Schallwellen in den Deckenhohlraum eindringen können und dort absorbiert werden.Finally, an embodiment of the invention provides that the sheet metal plate is provided outside the beads with perforations evenly distributed over the base, so that sound waves can penetrate into the ceiling cavity and be absorbed there.

In der Zeichnung ist ein Ausführungsbeispiel eines erfindungsgemäßen Kühldeckenelementes dargestellt. Es zeigt:

Figur 1
die Rückseite des Kühldeckenelements;
Figur 2
einen Querschnitt durch das Kühldeckenelement nach der Linie A-A der Figur 1
und die Figuren 3 bis 7
Einbauvarianten des Kühldeckenelements.
In the drawing, an embodiment of a cooling ceiling element according to the invention is shown. It shows:
Figure 1
the back of the cooling ceiling element;
Figure 2
a cross section through the cooling ceiling element along the line AA of Figure 1
and Figures 3 to 7
Installation variants of the cooling ceiling element.

Das Kühldeckenelement besteht im wesentlichen aus einer Blechplatte 1 und einer Rohrleitung 2sowie einer nicht zwingend erforderlichen Verkleidungsplatte 3.The cooling ceiling element essentially consists of a sheet metal plate 1 and a pipeline 2 as well as a cladding plate 3 which is not absolutely necessary.

Die Blechplatte 1 besteht aus einem Aluminiumblech, das in Abständen über seine Breite Ω-förmige Sicken aufweist, die sich durchgehend über die Länge der Blechplatte 1 erstrecken.The sheet metal plate 1 consists of an aluminum sheet which has Ω-shaped beads at intervals across its width, which extend continuously over the length of the sheet metal plate 1.

Die Rohrleitung 2 besteht aus flexiblem Kupferrohr oder Weichstahlrohr oder aus flexiblem, diffusionsdichtem Kunststoffrohr und weist gerade Strecken 5 auf, die in den Sicken 4 eingelassen sind und über bogenförmige Rohrleitungsstücke 6 außerhalb der Grundfläche der Blechplatte 1 so miteinander verbunden sind, daß die Rohrleitung 2 insgesamt mäanderförmig verläuft und mit Endstücken 7, 8 in konventioneller Weise an einen nicht dargestellten Vor- bzw. Rücklaufstrang einer kaltwasserführenden Hauptleitung anschließbar ist.The pipe 2 consists of flexible copper pipe or mild steel pipe or of flexible, diffusion-tight plastic pipe and has straight sections 5, which are embedded in the beads 4 and are connected via arcuate pipe pieces 6 outside the base of the sheet metal plate 1 so that the pipe 2 as a whole runs meandering and can be connected in a conventional manner with end pieces 7, 8 to a supply or return line, not shown, of a cold water-carrying main line.

Die Verkleidungsplatte 3, welche in konventioneller Weise mit der Blechplatte verbunden sein kann, besteht gleichfalls aus Aluminium und schließt an ihren Längsseiten mit der Blechplatte 1 bündig ab, während sie über deren Querseiten vorsteht. Mit der Verkleidungsplatte 3 sind daher auch die bogenförmigen Rohrleitungsstücke 6, sowie die Endstücke 7 und 8 mit ihren Anschlüssen verdeckbar.The cladding plate 3, which can be connected in a conventional manner to the sheet metal plate, is also made of aluminum and is flush on its long sides with the sheet metal plate 1, while it projects over the transverse sides thereof. With the cladding plate 3, the arcuate pipe pieces 6 and the end pieces 7 and 8 with their connections are therefore also concealable.

Die mäanderförmig verlaufende Rohrleitung 2 läßt sich in die Sicken der Blechplatte 1 einfach einklipsen, sofern die Sicken 4, wie in den Ausführungsbeispielen dargestellt, eine Querschnittskontur mit einer geringfügig kleineren Öffnungsbreite aufweisen als der Außendurchmesser der Rohrleitung 2.The meandering pipe 2 can be simply clipped into the beads of the sheet metal plate 1, provided that the beads 4, as shown in the exemplary embodiments, have a cross-sectional contour with a slightly smaller opening width than the outside diameter of the pipe 2.

Werden Kühlelemente in handelsübliche Deckenplatten (z.B. metallische Langfeldkassetten) eingelegt, ist ein guter Kontakt zwischen der Blechplatte 1 des Kühlelements und einer jeweiligen, in den Fig. 3 bis 7 dargestellten Deckenplatte 9 erforderlich, um eine hohe Kühlleistung zu erzielen. Dies ist in der Praxis häufig schwierig, da die Deckenplatte 9 von sich aus bereits eine Durchbiegung aufgrund ihres Eigengewichts aufweist und diese in der Regel aus optischen Gründen nicht weiter vergrößert werden soll.If cooling elements are inserted into commercially available ceiling panels (e.g. metallic long-field cassettes), good contact between the sheet metal plate 1 of the cooling element and a respective ceiling panel 9 shown in FIGS. 3 to 7 is necessary in order to achieve a high cooling capacity. This is often difficult in practice, since the ceiling panel 9 already has a deflection due to its own weight and this should generally not be further enlarged for optical reasons.

Es sind Spannbügel bekannt, die das Kühlelement an die Deckenplatte 9 anpressen. Die Vorspannung dieser Bügel muß aber sehr genau auf die Durchbiegung der Deckenplatte 9 abgestimmt sein, um die bereits vorhandene Durchbiegung nicht zu vergrößern. Hinzu kommt, daß diese Vorspannung je nach der Breite der Deckenplatte 9 variiert werden muß und diese Spannbügel aufgrund der unterschiedlichen herstellungsspezifischen Ausführungen von Umkantungen der Deckenplatte 9 ein spezifisches Verbindungselement zur Deckenplatte 9 benötigen. Dadurch entstehen erhebliche Kosten für Vorversuche bezüglich der Vorspannung und für die Lagerhaltung. Ein weiterer Nachteil ist, daß in der Projektbearbeitung die spezielle Ausführung der Deckenplatte 9 bekannt sein muß.Clamping brackets are known which press the cooling element onto the ceiling plate 9. The pretension of these brackets must, however, be matched very precisely to the deflection of the ceiling plate 9 in order not to increase the already existing deflection. In addition, this pretension must be varied depending on the width of the ceiling panel 9 and these clamps require a specific connecting element to the ceiling panel 9 due to the different manufacturing-specific designs of edging the ceiling panel 9. This results in considerable costs for preliminary tests with regard to preloading and for storage. Another disadvantage is that the special design of the ceiling plate 9 must be known in project processing.

Die genannten Nachteile lassen sich vermeiden, wenn das Kühlelement direkt mit der Deckenplatte 9 verbunden wird, wozu beispielsweise die in Figur 3 dargestellte Ausführungsart vorgeschlagen wird.The disadvantages mentioned can be avoided if the cooling element is connected directly to the ceiling plate 9, for which purpose the embodiment shown in FIG. 3 is proposed.

Die in den Figuren 1 und 2 dargestellte Verkleidungsplatte 3 ist bei dieser Ausführungsart nicht erforderlich. Die Sicke 4 wird so bemessen, daß sich zwischen dem Kupferrohr 5 und der Deckenplatte 9 ein Hohlraum 10 ergibt, welcher ein elastisches Klebematerial 11, vorzugsweise mit guter Wärmeleitfähigkeit, aufnimmt. Dieses kann in pastöser Form oder als Klebeband aufgebracht werden. Das Klebematerial 11 kann bereits bei der Vorfertigung auf das Kühlelement aufgebracht werden. Auf der Baustelle wird dann die Verbindung mit der Deckenplatte 9, z.B. durch Abziehen eines Schutzstreifens vom Klebematerial 11, vorgenommen.The cladding panel 3 shown in Figures 1 and 2 is not required in this embodiment. The bead 4 is dimensioned so that there is a cavity 10 between the copper tube 5 and the ceiling plate 9, which holds an elastic adhesive material 11, preferably with good thermal conductivity. This can be applied in pasty form or as an adhesive tape. The adhesive material 11 can already be applied to the cooling element during the prefabrication. The connection to the ceiling plate 9 is then made at the construction site, for example by pulling off a protective strip from the adhesive material 11.

Die Unterbringung des Klebematerials 11 in der Sicke 4 hat den Vorteil, daß kein zusätzliches Material zwischen die Blechplatte 1 und die Deckenplatte 9 gelangt, welches den Wärmeübergang verschlechtert.The accommodation of the adhesive material 11 in the bead 4 has the advantage that no additional material gets between the sheet metal plate 1 and the ceiling plate 9, which deteriorates the heat transfer.

Es ist nicht erforderlich, das Klebematerial 11 über die gesamte Länge der Sicke 4 aufzutragen. Ein punktueller oder teilstreifenförmiger Auftrag des Klebematerials 11 ist bei entsprechender Klebekraft ausreichend.It is not necessary to apply the adhesive material 11 over the entire length of the bead 4. A punctiform or partial strip-shaped application of the adhesive material 11 is sufficient with the appropriate adhesive force.

Da über die Blechplatte 1 bereits ein großflächiger Kontakt mit der Deckenplatte 9 besteht, kann auch Klebematerial 11 mit schlechter Wärmeleitfähigkeit verwendet werden. Wird Klebematerial 11 mit guter Wärmeleitfähigkeit verwendet, ergibt sich insofern eine Verbesserung, da gegenüber einer linienförmigen Auflage der Rohrleitung 2 eine breitflächige Übertragungsfläche entsteht.Since there is already extensive contact with the ceiling plate 9 via the sheet metal plate 1, adhesive material 11 with poor thermal conductivity can also be used. If adhesive material 11 with good thermal conductivity is used, there is an improvement since a broad-area transfer surface is created compared to a linear support of the pipeline 2.

Insgesamt wird durch die Verklebung des Kühlelements mit der Deckenplatte 9 die Stabilität des Gesamtbauteils verbessert und insbesondere die Durchbiegung der Deckenplatte 9 selbst vermindert.Overall, the stability of the overall component is improved by the gluing of the cooling element to the ceiling plate 9 and in particular the deflection of the ceiling plate 9 itself is reduced.

Bei einer Ausgestaltung gemäß Figur 3 kann das Klebematerial 11' auch in einer separaten Sicke 12 untergebracht werden. Bei Deckenplatten 9 mit durchgehender Lochung wird ein gewebeartiger Klebestreifen einzusetzen sein, um einen Durchtritt von pastösem Kleber durch die Lochung der Deckenplatte zu vermeiden.In an embodiment according to FIG. 3, the adhesive material 11 'can also be accommodated in a separate bead 12. In the case of ceiling panels 9 with continuous perforation, a fabric-like adhesive strip will have to be used in order to prevent pasty adhesive from passing through the perforation of the ceiling panel.

Bei geschlossenen Deckenplatten 9 kann auch ein pastöser Kleber verwendet werden, wobei dann in der Sicke 12 mindestens zwei Bohrungen 13 vorhanden sind. In eine dieser Bohrungen 13 wird das pastöse Klebematerial 11' eingepreßt. Die andere Bohrung 13 dient zum Austritt des Klebematerials 11' bzw. zur Kontrolle, ob die Sicke 12 gefüllt ist.In the case of closed ceiling panels 9, a pasty adhesive can also be used, in which case there are at least two bores 13 in the bead 12. The pasty adhesive material 11 'is pressed into one of these bores 13. The other bore 13 serves for the exit of the adhesive material 11 'or for checking whether the bead 12 is filled.

Eine weitere Befestigungsmöglichket zeigt Figur 4. Hierbei wenden aus der Blechplatte 1, welche mit der Deckenplatte 9 verbunden werden soll, Laschen 14 durch dreiseitiges Freistanzen erzeugt. An jeder Lasche 14 wird an der zur Deckenplatte 9 gerichteten Seite ein doppelseitig klebendes Band 15 aufgebracht. Da in der Regel die Kühlelemente erst auf der Baustelle mit den Deckenplatten verbunden werden, wird erst hier die Schutzfolie von der Unterseite des Bandes 15 abgezogen und die Lasche 14 auf die Deckenplatte 9 gedrückt. Dadurch wird mit der Klebung sogar eine Zugspannung durch die Lasche 14, welche in ihre Ursprungslage zurückfedern will, erzeugt und die Anpressung verbessert.A further fastening possibility is shown in FIG. 4. Here, tabs 14 are produced from the sheet metal plate 1, which is to be connected to the ceiling plate 9, by three-sided punching out. On each tab 14 becomes the ceiling plate 9 facing side applied a double-sided adhesive tape 15. Since, as a rule, the cooling elements are only connected to the ceiling panels at the construction site, the protective film is only removed from the underside of the band 15 here and the tab 14 is pressed onto the ceiling panel 9. As a result, the adhesive even creates a tensile stress through the tab 14, which wants to spring back into its original position, and improves the contact pressure.

Eine solche Zugspannung läßt sich ebenfalls mit der in Figur 5 gezeigten Ausführungsart erzeugen. Hier wird die Verbindung der Deckenplatte 9 mit der Blechplatte 1 vorgenommen, indem in einer Aussparung 16 der Blechplatte 1 ein Verbindungselement, bestehend aus einem runden Federstahlteller 17 mit Klebeschicht 18, eingebracht wird. Hier wird durch die federnden Randbereiche ein Anpressen der Blechplatte 1 und somit des Kühlelements auf die Deckenplatte 9 erzielt.Such tensile stress can also be generated with the embodiment shown in FIG. Here, the connection of the ceiling plate 9 to the sheet metal plate 1 is carried out by introducing a connecting element, consisting of a round spring steel plate 17 with adhesive layer 18, into a recess 16 in the sheet metal plate 1. Here, the sheet metal plate 1 and thus the cooling element are pressed onto the ceiling plate 9 by the resilient edge regions.

Werden sehr dünne (< 0,2 mm) doppelseitige Klebefolien zur Verbindung der Blechplatte 1 mit der Deckenplatte 9 verwendet, so können diese ohne nennenswerte Verschlechterung des Wärmeübergangs auch zwischen der Blechplatte 1 und der Deckenplatte 9 vollfächig oder streifenförmig eingesetzt werden.If very thin (<0.2 mm) double-sided adhesive films are used to connect the sheet metal plate 1 to the ceiling plate 9, these can also be used in full or in strips between the sheet metal plate 1 and the ceiling plate 9 without any appreciable deterioration in the heat transfer.

In Figur 6 ist eine Ausführungsart dargestellt, bei der auf eine Klebeverbindung verzichtet und eine rein mechanische Verbindung gewählt wird. Dazu wird die Blechplatte 1 im Randbereich mit einer doppelten Umkantung 19 versehen, deren horizontaler Abschluß unter eine Umkantung 20 der Deckenplatte 9 greift. Durch eine elastische Zwischenlage 21 werden Fertigungstoleranzen ausgeglichen und gleichzeitig ein Anpressen des Kühlelements auf die Deckenplatte 9 erzielt.FIG. 6 shows an embodiment in which an adhesive connection is dispensed with and a purely mechanical connection is selected. For this purpose, the sheet metal plate 1 is provided in the edge region with a double edging 19, the horizontal end of which engages under an edging 20 of the ceiling plate 9. Manufacturing tolerances are compensated for by an elastic intermediate layer 21 and, at the same time, the cooling element is pressed onto the ceiling plate 9.

In Figur 7 wird durch einen zweiteiligen Justierbügel 22 bzw. 22', welcher über Nuten in die oberen horizontalen Umkantungen der Deckenplatte 9 greift, einem Durchhang der Deckenplatte 9 entgegengewirkt. Die Kraft ist dabei durch den teleskopartig auseinanderschiebbaren Justierbügel 22 bzw. 22' einstellbar, wobei Bohrungen 23 zur Aufnahme eines Stifts zwecks Arretierung dienen. Zusätzlich kann durch Federn 24 ein Anpressen und somit ein guter wärmetechnischer Kontakt zwischen dem Kühlelement und der Deckenplatte 9 erzielt werden.In FIG. 7, a sagging of the ceiling plate 9 is counteracted by a two-part adjusting bracket 22 or 22 ′, which engages with grooves in the upper horizontal edging of the ceiling panel 9. The force is adjustable by means of the telescopically adjustable adjusting bracket 22 or 22 ', bores 23 being used to receive a pin for the purpose of locking. In addition can be pressed by springs 24 and thus good thermal contact between the cooling element and the ceiling plate 9 can be achieved.

Claims (5)

Kühldeckenelement aus einer Blechplatte und einer Rohrleitung, die auf einer Seite der Blechplatte befestigt ist und sich in einer Ebene mäanderförmig über deren Grundfläche in gleichmäßigen Abständen erstreckt, dadurch gekennzeichnet, daß in Abständen zueinander verlaufende, gerade ausgerichtete Strecken (5) der Rohrleitung (2) in deren Außendurchmesser angepaßte Sicken (4) der Blechplatte (1) eingelassen sind.Chilled ceiling element consisting of a sheet metal plate and a pipeline, which is fastened on one side of the sheet metal plate and extends in a plane in a meandering manner over the base area thereof at regular intervals, characterized in that straight, aligned lines (5) of the pipeline (2) Corrugated beads (4) of the sheet metal plate (1) are embedded in the outer diameter. Kühldeckenelement nach Anspruch 1, dadurch gekennzeichnet, daß die Sicken (4) einen Ω-förmigen Querschnitt aufweisen und/oder durch eine sich mindestens über die Grundfläche der Blechplatte (1) erstreckende und mit dieser verbundene Verkleidungsplatte (3) überdeckt sind.Chilled ceiling element according to claim 1, characterized in that the beads (4) have an Ω-shaped cross section and / or are covered by a covering plate (3) which extends at least over the base area of the sheet metal plate (1) and is connected to it. Kühldeckenelement nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die gerade ausgerichteten Strecken (5) der Rohrleitung (2) außerhalb der in der Blechplatte (1) vorgesehenen Sicken (4) über bogenförmige Rohrleitungsstücke (6) miteinander verbunden sind.Chilled ceiling element according to claim 1 or 2, characterized in that the straight lines (5) of the pipeline (2) are connected to each other outside of the corrugations (4) provided in the sheet metal plate (1) via arcuate pipeline pieces (6). Kühldeckenelementen nach Anspruch 3, dadurch gekennzeichnet, daß die Verkleidungsplatte (3) sich über die bogenförmigen Rohrleitungsstücke (6) erstreckt und diese gleichfalls abdeckt.Chilled ceiling elements according to claim 3, characterized in that the cladding plate (3) extends over the arcuate pipe pieces (6) and also covers them. Kühldeckenelement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Verkleidungsplatte (3) und die Blechplatte (1) außerhalb der Sicken (4) mit über die Grundfläche gleichmäßig verteilten Perforationen versehen ist.Chilled ceiling element according to one of claims 1 to 4, characterized in that the cladding plate (3) and the sheet metal plate (1) outside the beads (4) are provided with perforations evenly distributed over the base area.
EP96115948A 1995-11-02 1996-10-04 Cooled ceiling element Expired - Lifetime EP0772006B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19540770 1995-11-02
DE19540770A DE19540770C2 (en) 1995-11-02 1995-11-02 Chilled ceiling element

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EP0772006A2 true EP0772006A2 (en) 1997-05-07
EP0772006A3 EP0772006A3 (en) 1998-03-25
EP0772006B1 EP0772006B1 (en) 2003-02-19

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DE (2) DE19540770C2 (en)

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EP0899515A3 (en) * 1997-08-30 2001-03-28 Wirsbo-VELTA GmbH &amp; Co. KG Heat exchanger especially for space heating element
GB2397642A (en) * 2002-12-16 2004-07-28 Philip Andrew Kennedy Heat transfer element
EP1512915A3 (en) * 2003-08-29 2006-02-01 Plascore, Inc. Radiant panel
WO2009003427A2 (en) * 2007-07-04 2009-01-08 Jan Rybon Climate control system for the rooms of buildings
EP2023050A1 (en) * 2007-07-23 2009-02-11 Lindner Ag Wall or ceiling cladding with heating or cooling device
WO2012010272A1 (en) * 2010-07-23 2012-01-26 Gib Gesellschaft Für Innovative Bautechnologie Mbh Heating or cooling element for a ceiling structure
EP2478319A1 (en) * 2009-09-18 2012-07-25 Norsk Hydro ASA Multi tube heat exchanger
EP2589918A1 (en) * 2011-11-01 2013-05-08 Wavin B.V. Heat emitting device
AT13551U1 (en) * 2013-01-31 2014-03-15 Herbert Renner Handels Gmbh & Co Kg Cooling / heating blanket
EP2006608B1 (en) * 2007-06-18 2021-07-28 Klima-Top GmbH Wall or ceiling cladding

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DE19850013B4 (en) * 1998-10-30 2008-09-11 KME Schmöle GmbH Plate-shaped heat exchanger element
DE102007001602B4 (en) 2007-01-04 2019-10-10 Stefan Kälberer Arrangement for conditioning rooms and buildings
DE102015003279B4 (en) * 2015-03-16 2024-04-04 Schmöle GmbH Surface heat exchanger and process for its manufacture
US20200149748A1 (en) * 2018-11-14 2020-05-14 Francesco Giovanni Longo Building System

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Publication number Priority date Publication date Assignee Title
EP0899515A3 (en) * 1997-08-30 2001-03-28 Wirsbo-VELTA GmbH &amp; Co. KG Heat exchanger especially for space heating element
GB2397642A (en) * 2002-12-16 2004-07-28 Philip Andrew Kennedy Heat transfer element
EP1512915A3 (en) * 2003-08-29 2006-02-01 Plascore, Inc. Radiant panel
US7140426B2 (en) 2003-08-29 2006-11-28 Plascore, Inc. Radiant panel
US7926557B2 (en) 2003-08-29 2011-04-19 Plascore, Inc. Radiant panel
EP2006608B1 (en) * 2007-06-18 2021-07-28 Klima-Top GmbH Wall or ceiling cladding
WO2009003427A3 (en) * 2007-07-04 2009-09-03 Jan Rybon Climate control system for the rooms of buildings
WO2009003427A2 (en) * 2007-07-04 2009-01-08 Jan Rybon Climate control system for the rooms of buildings
EP2023050A1 (en) * 2007-07-23 2009-02-11 Lindner Ag Wall or ceiling cladding with heating or cooling device
EP2478319A1 (en) * 2009-09-18 2012-07-25 Norsk Hydro ASA Multi tube heat exchanger
EP2478319A4 (en) * 2009-09-18 2013-12-04 Norsk Hydro As Multi tube heat exchanger
WO2012010272A1 (en) * 2010-07-23 2012-01-26 Gib Gesellschaft Für Innovative Bautechnologie Mbh Heating or cooling element for a ceiling structure
EP2589918A1 (en) * 2011-11-01 2013-05-08 Wavin B.V. Heat emitting device
AT13551U1 (en) * 2013-01-31 2014-03-15 Herbert Renner Handels Gmbh & Co Kg Cooling / heating blanket

Also Published As

Publication number Publication date
DE59610146D1 (en) 2003-03-27
EP0772006A3 (en) 1998-03-25
DE19540770A1 (en) 1997-05-07
DE19540770C2 (en) 1998-04-16
EP0772006B1 (en) 2003-02-19
ATE232955T1 (en) 2003-03-15

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