EP4239139A1 - Élément de construction plat préfabriqué - Google Patents

Élément de construction plat préfabriqué Download PDF

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Publication number
EP4239139A1
EP4239139A1 EP23158710.6A EP23158710A EP4239139A1 EP 4239139 A1 EP4239139 A1 EP 4239139A1 EP 23158710 A EP23158710 A EP 23158710A EP 4239139 A1 EP4239139 A1 EP 4239139A1
Authority
EP
European Patent Office
Prior art keywords
flat
prefabricated element
heat
recess
flat prefabricated
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.)
Pending
Application number
EP23158710.6A
Other languages
German (de)
English (en)
Inventor
Bernhard Brandl
Daniel Pretzler
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.)
B+M Newtec GmbH
Original Assignee
B+M Newtec GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by B+M Newtec GmbH filed Critical B+M Newtec GmbH
Publication of EP4239139A1 publication Critical patent/EP4239139A1/fr
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
    • E04C2/525—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling for heating or cooling
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling

Definitions

  • the present invention relates to a flat prefabricated element that can be used or mounted as an exterior, interior or apartment partition or as a ceiling element for the expansion or construction of prefabricated houses and halls, etc.
  • Flat prefabricated elements are prefabricated in a factory and thus delivered to a respective construction site shielded against the influences of weather and seasons. On the construction site, flat prefabricated elements are assembled directly as ready-to-install external, internal or apartment partitions or as roof or ceiling elements. In a very short time, an extension within an existing building, an extension or even the construction of an entire building in the form of a house or a hall on a prepared substructure can be realized using dry construction.
  • Flat prefabricated elements are either made of wood, residential concrete, brick or a hybrid or composite material made from the above or other materials, such as two corrugated sheet metal layers with plastic foam fixed in between, in solid or lightweight construction.
  • Wood is the most widely used material for constructing a prefab element and is usually used as solid wood in the form of so-called cross-laminated timber, in technical jargon called Cross Laminated Timber, or CLT for short, or referred to as cross-layer wood or KLH .
  • the wooden slats glued crosswise or connected with nails combine practical advantages such as fast, dry and precise construction with positive living characteristics and ecological unique selling points of a generally regional and binding large amounts of CO 2 with comparatively low Environmental pollution of renewable raw materials with each other. They enable previously unknown constructive possibilities in timber construction with high energy efficiency and durability.
  • flat prefabricated construction elements made of residential concrete, brick or a composite material also meet all static, building physics and fire protection requirements and, due to their thickness or material strength or insulation that has already been applied, have high values for thermal insulation and also acoustic decoupling.
  • flat prefabricated elements which are usually completely brought into a final contour, are delivered to a construction site complete and complete, including cut-outs for windows, doors and installations. Windows, doors, shutters, etc. can also be installed ready for use in the respective sections.
  • a flat prefabricated element already has everything "in itself” and only has to be set up or built in and finally assembled at a destination and thus finally connected with a view to the prepared installations.
  • the object of the present invention is to provide a planar prefabricated element that can be used or installed as an exterior, interior or apartment partition or as a roof or ceiling element, with further improved properties, and that regardless of whether it is made of wood, Residential concrete, brick or a composite material.
  • a planar prefabricated element according to the invention has at least one planar recess on a surface oriented towards an interior in a final installation position, which recess is designed to accommodate a heating and/or cooling device.
  • BIM Building Information Modeling
  • a flat recess that is already provided at the factory on a surface in a prefabricated element that is oriented towards an interior space in a final installation position and is designed to accommodate a heating and/or cooling device increases the degree of prefabrication with high precision in the design increased significantly with optimum use of space.
  • the flat recess is designed to accommodate a heat-conducting profile, with the heat-conducting profile having a receptacle for the automatic fixing of an air-conditioning tube.
  • a pipe guide bend is provided at one end of each parallel section of a continued, meandering course of the air-conditioning pipe adjoining a heat-conducting profile.
  • several intervals consisting of a heat-conducting profile and a pipe guide bend are then repeated adjacent to one another until a predetermined planar recess is filled to achieve a planned heating and/or cooling capacity.
  • the heat-conducting profile preferably has an approximately omega-shaped receptacle for fixing an air-conditioning pipe, which will carry fluid in later use, on the surface oriented toward an interior space. Adjacent to the receptacle, the heat-conducting profile terminates in planar side surfaces which form a plane with one another or together.
  • a wall and ceiling cladding with a heating and/or cooling device in the form of an air-conditioning pipe through which a correspondingly temperature-controlled fluid flows is known.
  • the air-conditioning tube is automatically fixed in a spring-elastic heat-conducting profile, which in turn has several heat-conducting profiles arranged parallel to one another in a vertical is fastened to the heat-conducting profile running bracket, which is hung on end pieces between two parallel mounting rails.
  • the support rails are attached to parallel support beams at constant intervals and form a substructure fixed to a wall or ceiling, as is generally known to the person skilled in the art as so-called stud frame from drywall construction.
  • Cladding panels are attached to a plane formed by the support rails and the heat-conducting profiles, in particular in the form of plasterboard panels.
  • a mounting rail as a system rail with connecting elements integrated therein as one piece, which are designed as stamped and bent parts for latching in heat-conducting profiles provided with corresponding latching lugs.
  • These mounting rails are suitable for direct mounting on a mounting surface, i.e. a wall or a ceiling.
  • This mounting rail, as well as the heat-conducting profiles, are made of roll-formed sheet steel strips.
  • An automatic fixation of the air-conditioning tube after the installation of the heat-conducting profile in the area of the approximately omega-shaped, spring-elastic clamping mount is always sufficient to ensure a defined and secure mounting of a air-conditioning tube.
  • an air-conditioning pipe is flexible once the other assembly work can be fixed in the heat-conducting profile itself with an individually freely selectable length of the air-conditioning pipe.
  • any length of an air-conditioning pipe that can be selected can be laid over heat-conducting profile sections that are fixed parallel to one another to cover any conceivable surface shape.
  • thermally conductive profiles known above all from the above-mentioned prior art can be used in an adapted manner within the scope of the present invention, with the carriers or brackets required according to the prior art for fixing the thermally conductive profiles being not required here, since according to one embodiment of the invention At least one latching element in the form of a latching arm or a latching lug is provided in an outer area of the heat-conducting profile, which is designed for at least punctiform latching engagement in the flat recess of the flat prefabricated element, in particular in a groove and/or an undercut in the recess. It is therefore not necessary to form a continuous latching, several point or line-shaped latchings have been recognized as sufficient fixation of the heat-conducting profiles in the recess.
  • An arrangement of two latching elements of the types mentioned is preferably provided symmetrically to the approximately omega-shaped receptacle on the heat-conducting profile. A use of similar latching elements is preferred.
  • a respective form of manufacture of the heat-conducting profiles is taken into account, ie roll forming or extrusion.
  • At least one layer for adhesively fixing the heat-conducting profile to the flat prefabricated element is provided in the flat recess, which is provided as an alternative to a locking arm or a locking lug.
  • the flat recess Preferably in the flat recess two layers provided with two self-adhesive surfaces.
  • each of the above-mentioned layers consists of a thermally insulating material in the form of a double-sided adhesive tape.
  • thermal resistance between the heat-conducting profile and the flat prefabricated element is increased by appropriate material properties and also appropriate thicknesses of such a layer, so that heat transport between the heat-conducting profile with the air-conditioning tube fixed therein to the interior in question is improved, and this both in heating as well as cooling operation.
  • the planar recess of the planar prefabricated element is defined by an outer frame which is fixed to the planar prefabricated element made of solid wood, residential concrete or clinker.
  • a groove and/or an undercut is preferably formed in the recess, e.g. by profile strips, which form the outer frame and preferably other webs within the flat recess.
  • the planar recess of the planar prefabricated element is closed with a drywall panel or a covering layer, for example made of plaster, which fills the planar recess and is designed to be flush with an adjacent outer surface.
  • a drywall panel or a covering layer for example made of plaster, which fills the planar recess and is designed to be flush with an adjacent outer surface.
  • the plane formed by the planar side surfaces of the heat-conducting profile is covered in particular by an outer planking.
  • This planking is preferably formed by a gypsum plaster board with a proportion of graphite to improve heat conduction to an interior space.
  • the flat recess is designed as permanent formwork in a flat prefabricated element made of concrete.
  • the flat recess is preferably designed as a shaped body, e.g. made of silicone, that can be removed from the relevant prefabricated concrete element after the concrete has hardened and can therefore generally be reused.
  • the solutions specified above for forming a planar recess in a planar prefabricated element further reduce the scope of post-processing work on the recess before installing a heating and/or cooling device in the recess.
  • figure 5 shows a perspective view of an intermediate step in a subsequent installation of a heating and / or cooling wall 1 in an outer wall 2 of a building not shown.
  • the solid outer wall 2 had to be pried open over a minimum area A down to a predetermined depth t in order to create a defined recess 3 .
  • An area B bordered by dashed lines indicates a flat thermal insulation additionally introduced into the area A of the recess 3, on which in mutually parallel pipe fastening systems 4, which are designed here as grid rails screwed in the wall 2, then a climate pipe 5 with a meandering course is inserted in a fixed manner.
  • the recess 3 is filled with a layer of gypsum again in order to finally provide a smooth outer surface of the heating and/or cooling device 6 formed by the air-conditioning pipe 5 meandering in the pipe fastening systems 4 with wallpaper or wall paint.
  • this method can only be carried out largely by hand, which means that it is not only very dusty but also time-consuming and therefore expensive and the dimensions of the recess 3 are inaccurate. Nevertheless, this procedure is currently also used in prefabricated house construction in order to heat a room based on thermal radiation and thus very efficiently in terms of energy, while avoiding the even greater expense of installing underfloor heating.
  • thermally insulating rigid foam panels towards an outer wall are also known, these carrying a fixed grid for laying the air-conditioning tube 5 in the form of polystyrene or wood fiber panels, for example, and making any additional tube fastening system 4 superfluous close.
  • This limits an individually optimized adaptability to an individual case, without significantly reducing the effort involved in installing a heating and/or cooling device 6 on site.
  • figure 1 shows a top view of a first embodiment of a flat prefabricated element 7 made of cross laminated timber, in which a recess 3 has already been introduced at the factory.
  • grooves 8 are additionally provided in this recess 3, in each of which at least part of a heat-conducting profile 9 is arranged in a fixed manner, which in turn only accommodates the air-conditioning pipe 5 after the planar prefabricated element 7 has been installed.
  • the entire recess 3 is then usually only closed flush with an adjacent outer surface 10 . This can be done by filling it with wall plaster or by covering it with a drywall panel 11, each of which has a higher proportion of graphite for heat conduction.
  • a particular advantage of this flat prefabricated element 7 is that, according to the invention, a high degree of prefabrication has been deliberately shifted to production with the final contour so in a factory.
  • all customer-specific wishes are taken into account, so that each flat prefabricated element 7 delivered to a construction site for direct installation on site not only has prepared recesses and/or or installation shafts, e.g. for water, gas and electrical lines as well as empty pipes, but now also a perfectly prepared room for a highly efficient, space-saving and also invisible heating and/or cooling device 6.
  • the heat-conducting profiles 9 can also have very different lengths, here by way of example lengths L 1 , L 2 , L 3 , L 4 .
  • Complex surface shapes for a heating and/or cooling device 6 can therefore also be implemented very efficiently over a surface of a prefabricated element 7, as this exemplary embodiment of a heating and cooling wall 1 shows as an example.
  • a pipe guide bend 9a is used at one end of each parallel route section or at a heat-conducting profile 9 directly.
  • Such pipe guide bends 9a are implemented as cold-formed heat/cold baffles, so that in the course of the laying work within a continued meandering course of the air-conditioning pipe 5, a minimum radius r, as well as a minimum distance d to adjacent sections can be reliably maintained if two sections of the air-conditioning pipe 5 running parallel to one another are formed by two heat-conducting profiles 9 that are independent of one another, as provided in this exemplary embodiment.
  • a minimum radius r as well as a minimum distance d to adjacent sections
  • FIG figure 2 shows a sectional view of the flat prefabricated element 7 according to FIG figure 1 in a level II-II.
  • an air-conditioning pipe 5 has already been inserted or pressed into the lined-up sections of heat-conducting profiles 9 and pipe guide bends 9a.
  • At least the heat-conducting profiles 9 have a cross-section in which the air-conditioning tube 5 is accommodated and thereby automatically fixed, so that they have an approximately omega-shaped receptacle 12 for automatically clamping the air-conditioning tube 5 in it.
  • a clamping enclosure of the air-conditioning pipe 5 is therefore not absolutely necessary for the pipe guide bends 9a. Due to the inherent rigidity of the climate tube 5, fixing it in the heat-conducting profiles 9 is basically sufficient. However, it is desirable for the air-conditioning pipe 5 to rest more than linearly on a respective pipe guide bend 9a for reasons of good heat transfer.
  • a receptacle 12 is arranged in the heat-conducting profiles 9 and possibly also in the pipe guide bends 9a in the installation position, oriented toward an interior space.
  • the receptacle 12 runs out at least at the heat-conducting profiles 9 in planar side surfaces 13 which form a plane 14 .
  • a flat prefabricated element 7 is delivered to a construction site with heat-conducting profiles 9 and pipe guide bends 9a already fixed in the recess 3 . After the planar prefabricated element 7 has been inserted there and fixed mechanically, generally only the air-conditioning pipe 5 is inserted and fully connected on site.
  • a fixation of the heat-conducting profiles 9 in the area of the grooves 8 of the recess 3 of the flat prefabricated element 7 is shown in the exemplary embodiment figure 2 effected by double-sided adhesive tape 15.
  • This double-sided adhesive tape has a layer 15 with two self-adhesive surfaces 16.
  • the layer 15 is advantageously designed as thermal insulation with a thickness of 1 to 10 mm, preferably approx. 3 to approx . As a result, a flow of heat is oriented in the direction of the surface 10 and thus towards an interior space.
  • the plane 14 is covered by a dry construction panel 11 to cover the recess 3 with a flush finish with the outer surface 10 .
  • the drywall panel 11 is fixed to the planar side surfaces 13 of the heat-conducting profiles 9 by gluing or screwing.
  • this covering can also be realized with a smoothed or sprayed layer of plaster.
  • a higher proportion of graphite is advantageously used in the cover to improve a Heat flow between the outer surface 10 and the heat-conducting profiles 9 and the climate tube 5 is provided.
  • the lost formwork panel is an integral part of the planar prefabricated element 7.
  • a cement-bonded wood fiber panel is preferably used as a molded part for this purpose.
  • the flat recess 3 formed by the lost formwork panel is planked with heat-conducting profiles 9 and sheets 9a, which are cut to length beforehand. That can, unlike in the figures 1 and 2 shown, also happen with a free choice of the grooves, so that areas within the flat recess 3 can also be used for other installations, eg for electricity, data lines, water or empty piping.
  • a flat prefabricated element 7 with a suitably shaped recess 3 correspondingly shaped shaped bodies are placed in a formwork in a concrete plant. After the concrete has hardened, these shaped bodies are removed from the prefabricated concrete element 7, the shaped bodies, which can generally be reused, being made of silicone, for example. This leaves recesses in the finished flat prefabricated element 7, in which subsequently cut to length heat-conducting profiles 9 with thermal insulation etc. are fixed in the manufacturing plant. After a fixing installation at a destination then climate pipes 5 are inserted into the heat-conducting profiles 9 and room-side covers are attached, as already described above.
  • FIG. 3a to 4b show alternative versions of a fixation of a heat-conducting profile 9 in a recess 3 by locking elements 17.
  • These locking elements 17 are in the embodiments of Figures 3a, 3b provided on an outer area of the heat-conducting profile 9 in the form of latching arms 17a arranged at different positions with spring-elastic hooks.
  • These latching arms 17a are designed for an at least punctiform latching engagement in each case with an associated undercut 18 of the planar recess 3 .
  • a layer 15 as thermal insulation is indicated between the locking arms 17a.
  • FIGS. 4a and 4b show further alternative embodiments of a fixation of a heat conducting profile 9 in a recess 3 by locking elements 17, which are designed here in the form of locking lugs 17b and are formed in the region of the omega-shaped recess 12 of the heat conducting profile 9.
  • locking elements 17 which are designed here in the form of locking lugs 17b and are formed in the region of the omega-shaped recess 12 of the heat conducting profile 9.
  • an arrangement of two latching elements 17 of the same type is provided symmetrically to the approximately omega-shaped receptacle 12 on the heat-conducting profile 9 .
  • the symmetrical structure of the locking elements 17 was shown in the illustrations Figures 3a, 3b, 4a, 4b used to be able to show two exemplary embodiments in two halves of an image.
  • the recess 3 is realized in the planar prefabricated element 7 formed by cross-laminated timber in that a corresponding shaped outer frame 19 with the depth t is fixed on a thinner flat prefabricated element 7, so that milling work to form the recess 3 and to introduce grooves for the heat-conducting profiles 9 and, if necessary, their latching to undercuts 18 are omitted or only to a very small extent scope are to be carried out.
  • the in figure 2 Areas bordered with a dotted line have been realized by further shaped or profile strips 20 with corresponding cross-sectional areas, which are fixed to the cross-laminated timber by gluing, gluing and/or stapling, nailing or screwing.
  • a groove 8 is formed here by parallel profile strips 20 and not by milling or in any other way.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Building Environments (AREA)
  • Finishing Walls (AREA)
  • Panels For Use In Building Construction (AREA)
EP23158710.6A 2022-03-04 2023-02-27 Élément de construction plat préfabriqué Pending EP4239139A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATGM50046/2022U AT17934U1 (de) 2022-03-04 2022-03-04 Flächiges Fertigbau-Element

Publications (1)

Publication Number Publication Date
EP4239139A1 true EP4239139A1 (fr) 2023-09-06

Family

ID=85384266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23158710.6A Pending EP4239139A1 (fr) 2022-03-04 2023-02-27 Élément de construction plat préfabriqué

Country Status (2)

Country Link
EP (1) EP4239139A1 (fr)
AT (1) AT17934U1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20010430U1 (de) * 1999-06-16 2000-09-14 Grotjan Und Partner Keg Bregen Wand- oder Deckenelement
DE10324023A1 (de) * 2003-05-27 2004-12-30 Uponor Innovation Ab Trockenbauwandelement mit Temperierungsvorrichtung
DE202010011801U1 (de) 2010-08-25 2010-10-28 Baustoff+Metall Gmbh Wand- oder Deckenverkleidung mit Heiz- und/oder Kühleinrichtung
EP2728081A1 (fr) * 2011-06-30 2014-05-07 Tarraga Sanchez, Enrique Panneau modulaire pour le transfert d'énergie thermique
DE202018103991U1 (de) 2018-07-11 2019-07-12 Baustoff + Metall Gesellschaft m.b.H Tragschiene als Systemschiene für den Trockenbau
CN110847491A (zh) * 2019-11-14 2020-02-28 中北大学 一种装配式石墨烯发热墙板
AT17598U1 (de) 2021-06-29 2022-08-15 B M Newtec Gmbh Verkleidungssystem mit Heiz- und/oder Kühleinrichtung
AT17597U1 (de) 2021-06-29 2022-08-15 B M Newtec Gmbh Verkleidungssystem mit Heiz- und/oder Kühleinrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20106884U1 (de) * 2001-04-20 2001-06-21 Lindner Ag Deckenaufbau
DE202010010564U1 (de) * 2010-07-23 2010-10-14 Gib Gesellschaft Für Innovative Bautechnologie Mbh Heiz- oder Kühlelement für einen Deckenaufbau
KR101517589B1 (ko) * 2013-09-09 2015-05-06 서울대학교산학협력단 냉난방용 복사패널

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20010430U1 (de) * 1999-06-16 2000-09-14 Grotjan Und Partner Keg Bregen Wand- oder Deckenelement
DE10324023A1 (de) * 2003-05-27 2004-12-30 Uponor Innovation Ab Trockenbauwandelement mit Temperierungsvorrichtung
DE202010011801U1 (de) 2010-08-25 2010-10-28 Baustoff+Metall Gmbh Wand- oder Deckenverkleidung mit Heiz- und/oder Kühleinrichtung
EP2728081A1 (fr) * 2011-06-30 2014-05-07 Tarraga Sanchez, Enrique Panneau modulaire pour le transfert d'énergie thermique
DE202018103991U1 (de) 2018-07-11 2019-07-12 Baustoff + Metall Gesellschaft m.b.H Tragschiene als Systemschiene für den Trockenbau
CN110847491A (zh) * 2019-11-14 2020-02-28 中北大学 一种装配式石墨烯发热墙板
AT17598U1 (de) 2021-06-29 2022-08-15 B M Newtec Gmbh Verkleidungssystem mit Heiz- und/oder Kühleinrichtung
AT17597U1 (de) 2021-06-29 2022-08-15 B M Newtec Gmbh Verkleidungssystem mit Heiz- und/oder Kühleinrichtung

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