EP1983123A2 - Construction d'armature profilée dotée d'un coefficient de passage de chaleur linéaire réduit - Google Patents

Construction d'armature profilée dotée d'un coefficient de passage de chaleur linéaire réduit Download PDF

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Publication number
EP1983123A2
EP1983123A2 EP08154687A EP08154687A EP1983123A2 EP 1983123 A2 EP1983123 A2 EP 1983123A2 EP 08154687 A EP08154687 A EP 08154687A EP 08154687 A EP08154687 A EP 08154687A EP 1983123 A2 EP1983123 A2 EP 1983123A2
Authority
EP
European Patent Office
Prior art keywords
profile
frame construction
construction according
profile frame
glass
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
EP08154687A
Other languages
German (de)
English (en)
Other versions
EP1983123B1 (fr
EP1983123A3 (fr
Inventor
Harald Dr.-Ing. Schulz
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.)
RP Technik GmbH Profilsysteme
Original Assignee
esco Metallbausysteme 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
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Application filed by esco Metallbausysteme GmbH filed Critical esco Metallbausysteme GmbH
Publication of EP1983123A2 publication Critical patent/EP1983123A2/fr
Publication of EP1983123A3 publication Critical patent/EP1983123A3/fr
Application granted granted Critical
Publication of EP1983123B1 publication Critical patent/EP1983123B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88—Curtain walls
    • E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
    • E04B2/967—Details of the cross-section of the mullions or transoms

Definitions

  • the invention relates to a profile frame construction with the features of the preamble of claim 1 and claim 6.
  • a profile frame construction comprises a base profile made of metal, which is integrally formed with a base frame profile or attached to a base frame profile made of wood or metal, infill elements, the on the base profile attached to the inner seal strips.
  • Such profile frame constructions are used in facade construction, but also generally for thermally insulated frames and infills of insulating glass panes and panels in windows and doors.
  • the invention is based, in the context of an overall view and vote of individual measures the task to optimize thermo-technical behavior of profile frame constructions.
  • a profile frame construction according to the invention comprises a base profile made of metal, which is formed integrally with a base frame profile or is fastened on a base frame profile made of wood or metal.
  • a one-piece metal base profile may be present, such as extruded from aluminum, for example, or roll formed from stainless steel.
  • the profile frame construction further comprises infilling elements, which rest against inner sealing strips which are fastened to the base profile. Furthermore, an optional pressure bar clamps the infill elements against the inner sealing strips.
  • the inner seal strips have a width of at least 5 mm and a height of at least 3 mm and the material of the inner seal strips a thermal conductivity of ⁇ D ⁇ 0.25 W / mK according to standard specification has.
  • the infill elements comprise at least one multi-pane insulating glass, wherein the multi-pane insulating glass has spacers with a warm edge and a total thickness of at least 24 mm.
  • the heat transfer coefficient U f of the profile U f ⁇ 2.5 W / m 2 K, whereby a linear heat transfer coefficient ⁇ can be achieved, the value of ⁇ 0.08 W / mK not exceeds.
  • the infill elements comprise at least one panel with cover shells and a Dämmkern whose thermal conductivity ⁇ K ⁇ 0.05 W / mK, and spacers with a width of at least 10mm and at most 30mm and with a thermal conductivity ⁇ A of ⁇ A ⁇ 0.15 W / mK preferably ⁇ A ⁇ 0.08 W / mK, more preferably ⁇ A ⁇ 0.04 W / mK, and most preferably ⁇ A ⁇ 0.03 W / mK.
  • the above-mentioned heat transfer coefficient U f of the profile is U f ⁇ 2.5 W / m 2 K.
  • a linear heat transfer coefficient ⁇ of ⁇ 0.08 W / mK can be achieved.
  • the linear heat transfer coefficient for facades is calculated according to EN 13947: 2006, while the linear heat transfer coefficient for windows and doors is calculated according to DIN EN ISO 10077-1.
  • the length-related heat transfer coefficient ⁇ is therefore not a property of individual components such as spacers of the glass, spacer of the panel or profile structure of the facade, but describes the additional heat conduction from the interaction of profile and Ausfachungselement (glass panel clamping element) in the clamping area and is thus a system property of the concrete façade structure in the transition area between profile and infill element.
  • inner sealing strips The geometry and the material used of inner sealing strips has hitherto always been selected only with regard to their sealing function and sufficient elasticity. In an overall consideration with regard to the thermal performance of the overall construction but inner sealing strips were not included. By having the inner sealing strips at least 5mm wide, a barrier is created between the base profile and the infill elements which substantially reduces the loss heat flux in the peripheral region of the Infill elements leads. This measure is directly related to the spacer used with multi-pane insulating glass with warm edge or used in the case of panels spacers with a width between 10mm and 30mm and with the claimed thermal conductivity.
  • the claimed profile frame construction takes into account the thermal interaction between the frame construction and the infill elements, by paying special attention to heat losses in the edge region of the infill elements in cooperation with the profiles and thus the length-related heat transfer coefficient ⁇ .
  • the infilling elements themselves also have a good insulating effect, in that according to the invention it is prescribed that either the infilling elements are a multi-pane insulating glass or a panel with an insulating core with a predetermined maximum thermal conductivity.
  • At least one glass pane of the multi-pane insulating glass is provided on a main surface with a coating with a low emissivity.
  • this main surface is usually chosen so that it points to the inside of the building and thus the heat loss reduced by heat radiation through the multi-pane insulating glass.
  • the total thickness of the glass pane is preferably at least 24 mm. In this way, a space between the panes of more than 12 mm can be realized, which results in a low heat loss, especially in the area of the edge bond with a warm edge.
  • the total thickness of the multi-pane insulating glass element is at least 36mm. This dimension also ensures that in conventional individual glass elements, the space between the panes is greater than 12 mm and preferably in the range between 14 mm and 20 mm.
  • the warm edge spacer is made of plastic material.
  • spacers with warm edge also includes thin stainless steel profiles, but spacers made of plastic material have an improved insulating effect, so that this measure also leads to an improvement in the overall thermal performance.
  • the infill elements of the profile frame construction according to the invention comprise at least one panel
  • its insulating core is preferably designed such that it preferably comprises mineral fiber and particularly preferably a vacuum insulation panel.
  • the insulating core may also be foamed and is preferably made of PUR or PS foam.
  • the insulating core may also have a multilayer structure and include, for example, a mineral fiber layer.
  • a particularly preferred embodiment of a panel has an insulating core of microporous, inorganic silicate substances.
  • a product is sold, for example, under the brand name WDS ® Vacupanel and has a particularly low thermal conductivity at high Evakuleitersgraden.
  • the pressure-resistant spacer is of the type constructed like a vacuum insulation panel, but without evacuation.
  • This measure has a surprisingly high effect on the result of the overall optimization of the linear heat transfer coefficient and allows values of ⁇ ⁇ 0.01 W / mK to be achieved with suitable insulating cores. This represents a significant improvement over the standard value of ⁇ ⁇ 0.08 W / mK.
  • the inner sealing strips are designed in one piece for a glass fold. In this way, a barrier between the base profile and the pressure bar is made.
  • the profile frame construction further comprises a pressing bar made of aluminum or an aluminum alloy with a smooth surface.
  • Aluminum with a smooth surface reflects infrared radiation very well and is thus suitable to minimize heat losses due to radiation in the joint area between adjacent infill elements.
  • the profile frame construction further comprises outer sealing strips between the pressure strip and the infilling elements, wherein the outer sealing strips have a width of at least 5 mm.
  • the external gaskets may be of any desired design and may even be replaced by so-called structural sealing + glazing, but external gaskets with a width greater than 5 mm and made of a material with a maximum thermal conductivity of 0.25 W / mK are preferred the downstream heat dissipation occurring in the edge region of the multi-pane insulating glass or panel nachzuconnect a further resistor.
  • the profile frame construction further comprises an insulating element, preferably made of foamed material, which extends into the Glasfalz Scheme between adjacent Ausfachungs instituten.
  • an insulating element can be reduced as a complementary measure both the heat flow from the base profile to the pressure bar out, as well as heat losses from the infill elements in the Glasfalz into by both heat conduction and Konvemies neede be reduced.
  • the insulating element is preferably applied to these. In this way is the outside of the profile frame construction out, in facade construction towards the weather side, a complete seal of the joint area causes.
  • a complete seal of the joint area causes.
  • even small gaps between the insulating element and the outer sealing strips are acceptable and may have the additional advantage of facilitating the discharge of moisture in the glass folding region.
  • the insulating element is spaced from the spacer (s) between the glass panes of the multi-pane insulating glass. This measure is intended to facilitate the targeted removal of moisture in Glasfalz Scheme.
  • the insulating element can be tight against the front side of the outer glass and in this way reduce heat losses in the Glasfalz Scheme as much as possible.
  • the insulating element is preferably applied to the inner sealing strip. In this way, the entire Glasfalz Scheme is isolated with an optimally matched to the geometry of the insulating element.
  • the profile frame construction according to the invention is preferably used as part of a facade or as part of a window or a door.
  • the profile frame construction according to the invention also optimizes the inner seal strips together with the spacers of the infill elements, which have an unexpectedly high influence on the linear heat transfer coefficient, as numerical calculations and experiments have shown.
  • profile frame construction shows the Glasfalz Scheme with adjacent Ausfachungs instituten a post profile of a facade construction.
  • the base frame profile 10 is made of wood, on which a basic profile 12 is extruded from extruded aluminum.
  • the base profile 12 has a screw 14 and fastening lugs 16 for inner sealing strips.
  • an inner seal 18 is attached, which in the present embodiment is made in one piece, ie, the two sub-areas which rest elastically on the infill members 20 are integrally connected to each other and extend in contact with the screw 14 and beyond the facade to the outside directed openings across.
  • the inner sealing strips 18 are provided with a cavity 22 for improving the thermal insulation and arranged at graduated heights incisions 24, which serve to reduce the inner sealing strips for overlapping arrangement in the attachment area between posts and bars to a desired height.
  • the cuts 24 serve to be able to provide a filling thickness compensation of the inner sealing strips.
  • the dimensions of the inner sealing strips are made Fig. 1 not quantifiable, but these invention have a width B of at least 5mm and a height H of more than 3mm.
  • the infilling elements are held outside the outer side of outer sealing strips 26, which are introduced into suitable receiving geometries in the pressure bar 28.
  • the pressure bar 28 is fixed by means of mutually spaced fastening screws 30 in the screw 14, to secure the Ausfachungs institute 20 against the base profile 12 via the pressure bar 28 and the intermediate outer seals 26.
  • the disc space d between the individual glasses 20a, 20b and 20c is greater than 8mm and preferably in the range between 14mm and 20mm.
  • that owns Triple insulating glass has a total thickness D of at least 32mm, preferably ⁇ 36mm, more preferably ⁇ 40mm, and most preferably ⁇ 44mm or ⁇ 48mm.
  • spacers 32 between the individual disks 20a, 20b and 20c of the multi-pane insulating glass which are of the "warm edge" type according to prEN 13947: 2006 and preferably have plastic spacers.
  • an insulating body 34 which consists of a foamed material with low thermal conductivity and according to the illustrated embodiment is shaped so that it bears elastically on both the outer seals 26 as well as on the facing end faces of the glass sheet 20c , Furthermore, the insulating body 34 extends between the pressure bar 28 and the one-piece inner seal 18 in that area in which this is placed over the screw 14. Only in the region of the spacers 32 and optionally the mutually facing end faces of the glass elements 20a, and 20b of the insulating body is spaced therefrom.
  • profile frame construction can also achieve a heat transfer coefficient of the profile of U f ⁇ 0.7 W / m 2 K, but due to the provision of a base frame profile 10 made of steel, further measures are required to achieve this.
  • the multi-pane insulating glass elements 20 correspond to those according to FIG Fig. 1 , The same applies to the pressure bar 28, the Attachment by facade screws 30 and the shape of the outer sealing strips 26th
  • the insulating body 34 is different from the post Fig. 1 formed by also abutting the end faces of the facing glass sheets 20a and thus completely seals the Glasfalz Scheme. Only in the area of the spacers 32, as in the embodiment according to Fig. 1 are formed as a warm edge, the insulating element 34 is recessed to enable a moisture removal. Due to the shape of the Dämmelements 34 in particular with respect to the tight contact with the glass sheets 20a can also be in the in Fig. 2 shown facade construction with a base frame profile made of metal and with a corresponding thickness of the infill element, here at least 48mm, the very low heat transfer coefficient U f of ⁇ 0.7 W / m 2 K realize.
  • a panel is used in addition to a multi-pane insulating glass 20 as Ausfachungselement.
  • the Panel 40 is a vacuum insulation panel with a total heat transfer coefficient averaged over the surface of the panel between 0.1 W / m 2 K and 0.3 W / m 2 K.
  • the vacuum insulation panel consists of a glass element 42 arranged on the outside of the facade and a cover shell 44 facing the inside of the facade Metal, in particular aluminum, steel, stainless steel, copper or plastic or wood, between which there is the evacuated portion 45 of a conventional vacuum insulation board.
  • a spacer 46 is used, the width of which moves between 10mm and 30mm and whose height is at least 16mm.
  • the best results are achieved with spacers that are constructed similar to a vacuum insulation panel, but which is not evacuated.
  • a further spacer 48 may be provided, which only compensates for the different thicknesses of the panel and the multi-pane insulating glass as a spacer, but for which the same selection criteria apply as for the spacer 46.
  • FIG. 4 A corresponding representation can be found in Fig. 4 with regard to all other elements such as base frame profile 10, base profile 12, inner seal 18, multi-pane insulating glass 20, outer sealing strip 26, pressure bar 28, facade screws 30 and insulating element 34 identical to the embodiments according to Fig. 1 and 3 is.
  • the difference of the embodiment according to Fig. 4 consists in that here the panel an inside cover shell 44 according to the cover shell after Fig. 3 , An adjoining vacuum insulation plate with the insulating core 45 and a further insulating layer 50, before the outside of the facade again an outer cover shell, here in the form of a glass element 42, is provided. Notwithstanding the embodiment according to Fig.
  • a single spacer 46 is provided for which the same requirements apply to the region of width and the graduated, technically feasible values for the thermal conductivity as for the spacer 46 described above Fig. 3 ,
  • the panel thus has a thickness which corresponds to that of the 3-fold insulating glass.
  • the graduated areas for the spacers after Fig. 3 and 4 were chosen to be especially in terms of constructions like in Fig. 3 and 4 represented with Mehrusionnisolierglasierin and panels to perform the optimization of the invention can.
  • the hot edge spacers for multi-pane insulating glass are preferably optimized so that the product of wall thickness d and thermal conductivity does not exceed 0.0070 W / K, preferably less than or equal to 0.0050 W / K, and most preferably less than or equal to 0.0025 W / K is.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Building Environments (AREA)
EP08154687.1A 2007-04-18 2008-04-17 Construction de façade dotée d'un coefficient de passage de chaleur linéaire réduit Revoked EP1983123B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007018305A DE102007018305A1 (de) 2007-04-18 2007-04-18 Profilrahmenkonstruktion mit verringertem linearen Wärmedurchgangskoeffizienten

Publications (3)

Publication Number Publication Date
EP1983123A2 true EP1983123A2 (fr) 2008-10-22
EP1983123A3 EP1983123A3 (fr) 2011-05-18
EP1983123B1 EP1983123B1 (fr) 2016-07-27

Family

ID=39591482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08154687.1A Revoked EP1983123B1 (fr) 2007-04-18 2008-04-17 Construction de façade dotée d'un coefficient de passage de chaleur linéaire réduit

Country Status (2)

Country Link
EP (1) EP1983123B1 (fr)
DE (1) DE102007018305A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314206A (zh) * 2014-09-26 2015-01-28 江苏苏鑫装饰(集团)公司 铝包钢新型隐框装饰型幕墙

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012001635U1 (de) * 2012-01-31 2012-04-12 Christian Lehmann Gebäudewand mit Glaselementen
DE102019107996A1 (de) * 2018-09-25 2020-03-26 SCHÜCO International KG Rahmen für ein Fenster oder eine Tür

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
DE2608325C3 (de) * 1976-02-28 1980-04-24 Alco Bauzubehoer Gmbh & Co, 3380 Goslar Mehrteiliger, wärmegedämmter Metallprofilstab zum Befestigen von Wand- und Fensterelementen
DE3633620A1 (de) * 1986-10-02 1988-04-14 Gartner & Co J Waermedaemmendes fenster oder fassadenanordnung im transparenten bereich
AT404747B (de) * 1995-06-14 1999-02-25 Glas Baumann Ges M B H & Co Kg Rahmen für plattenelemente
DE29918219U1 (de) 1999-04-09 2000-08-17 Raico Bautechnik Gmbh Fassade für ein Niedrig-Energiehaus
DE10135510A1 (de) * 2001-07-20 2003-02-20 Hueck Eduard Gmbh Co Kg Außenwandkonstruktion für Gebäude, Dächer und dergleichen
DE50205713D1 (de) 2001-09-05 2006-04-13 Franz Feldmeier Paneele mit einem vakuumelement für aussenwandkonstruktionen
DE20304039U1 (de) * 2003-03-13 2003-07-17 Schulz Harald Rahmenkonstruktion mit verbesserter Wärmedämmung
DE10347698A1 (de) * 2003-10-14 2005-06-09 Unilux Ag Gebäudefassade mit Fenster
DE202005000603U1 (de) * 2005-01-14 2006-05-24 SCHÜCO International KG Anschlussprofil und Riegel-Pfosten-Konstruktion
DE102006061360A1 (de) 2006-12-22 2008-06-26 Futech Gmbh Wärmedämmendes Verglasungselement, dessen Herstellung und Verwendung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314206A (zh) * 2014-09-26 2015-01-28 江苏苏鑫装饰(集团)公司 铝包钢新型隐框装饰型幕墙

Also Published As

Publication number Publication date
EP1983123B1 (fr) 2016-07-27
EP1983123A3 (fr) 2011-05-18
DE102007018305A1 (de) 2008-10-23

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