EP2208834A2 - Unité de lanterneau pour toits plats ou toits légèrement inclinés - Google Patents

Unité de lanterneau pour toits plats ou toits légèrement inclinés Download PDF

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Publication number
EP2208834A2
EP2208834A2 EP10401001A EP10401001A EP2208834A2 EP 2208834 A2 EP2208834 A2 EP 2208834A2 EP 10401001 A EP10401001 A EP 10401001A EP 10401001 A EP10401001 A EP 10401001A EP 2208834 A2 EP2208834 A2 EP 2208834A2
Authority
EP
European Patent Office
Prior art keywords
skylight
opening
roof
unit according
support ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10401001A
Other languages
German (de)
English (en)
Other versions
EP2208834A3 (fr
Inventor
Manfred Brüggemann
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.)
BRUEGGEMANN, FOLKERT
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2208834A2 publication Critical patent/EP2208834A2/fr
Publication of EP2208834A3 publication Critical patent/EP2208834A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D13/0305—Supports or connecting means for sky-lights of flat or domed shape
    • E04D13/0315—Supports or connecting means for sky-lights of flat or domed shape characterised by a curb frame

Definitions

  • the invention relates to a skylight unit for flat roofs or slightly inclined roofs for installation in an opening in the roof with a circulating around the opening skylight support ring, which is a bottom on which the skylight is placed outside on the roof around the opening, an inside, an outside and a top, and a sealing cover resting on top of the skylight cap.
  • Such a skylight unit is for example from the DE 295 19 937 U1 known.
  • a skylight curb which has a substantially horizontal foot flange, an inwardly inclined ascending wall portion and a connecting rail, wherein the connecting rail is formed in a special way to ensure a permanently tight connection of the dome lamp curb on the roof.
  • a Lichtkuppelü known which also has an inwardly inclined curb on which a light dome equipped with a curved disc element is hinged hinged. Similar, inwardly inclined curbs are from the DE 28 10 674 A1 , the DE 91 10 266 U1 as well as the DE 295 19 937 U1 known.
  • the inclination of the Inner side has an angle to the surface normal defined from the roof of 20 ° to 75 °, in particular 30 ° to 60 °, particularly preferably 45 °.
  • the skylight support ring consists of correspondingly shaped wreath elements according to the geometry of the opening, in particular for rectangular openings of four wreath elements
  • the skylight support ring of the individual wreath elements can be modularly assembled.
  • skylight units for a wide variety of openings can be individually assembled.
  • triangular, pentagonal, hexagonal and generally polygonal opening shapes can be provided with a corresponding skylight unit.
  • the skylight support ring on a large footprint on the roof, so that the skylight unit directly without otherwise Reinforcing elements, such as wooden frame, can be placed on the insulation of the flat roof.
  • the loads of the skylight unit are distributed evenly on the roofing material. Accordingly, thermal bridges are avoided at the opening for the skylight unit.
  • the skylight unit can also be glued on a large area on the roof, the opening all around.
  • the profiles can safely pick up the loads acting on the skylight unit and guide them into the roof structure.
  • hollow bodies made of fiber-reinforced plastics an excessively high thermal conductivity is avoided.
  • PUR-Strukturschaum Because the hollow bodies are filled with a highly heat-insulating material, in particular PUR structural foam, the thermal insulation in the skylight unit is further improved. With PUR-Strukturschaum becomes the Self-supporting extruded profile in the interior completely foamed and thus stiffened and optimized at the same time thermal insulation technology. PUR-Strukturschaum has a thermal conductivity ⁇ , from 0.025 to 0.030 watts (m ⁇ K).
  • the modular construction of the skylight units can be achieved in that the ring elements have miter cuts at their ends, at which they are connected to the skylight rim surrounding the opening, in particular adhesively bonded.
  • the fiber-reinforced extruded profiles constructed as sandwich with PUR structural foam core can be glued permanently along their miter cuts with suitable adhesives.
  • pultrusion endlessly produced fiber-reinforced plastic profiles can be produced in the pultrusion process, which can be tailored after foaming the cavity for the particular application either on site or custom made in a workshop.
  • corner elements are provided which, together with rectangularly cut-to-length rim elements, are connected, in particular adhesively bonded, to the skylight support ring which revolves around the opening. Accordingly, a corner element is to be provided at each corner of the skylight unit, so that in the case of a quadrangular opening four corner elements and, between them, four or more inserted ring elements are to be provided. Accordingly, the number of splices increases from 4 to 8 or more over miter cuts.
  • a double pane glazing of the skylight unit is virtually achieved.
  • the lower disc is in a circumferential recording in the skylight support ring near its bottom.
  • the thermal insulation effect is further improved by the fact that a circumferential seal is provided in the receptacle. It thus forms between the disc cover and the lower disc a heat bridge-free air chamber zone, for example the two discs can have a distance of about 10 cm.
  • the thermal insulation is correspondingly high.
  • the overhead lighting unit can also be used for ventilating and / or for diverting flue gases and heat in accordance with so-called RWA systems.
  • the opening means to a lifting device which raises the window cover and possibly the bottom plate substantially horizontally, so that an all-sided lift both the disc cover as well as the bottom plate - if any - is achieved.
  • a horizontal lifting is advantageous because it creates an opening gap on all sides and thus a quick exchange of air is possible.
  • a horizontal increase of the window cover is largely avoided that rainfall can get inside the building.
  • a horizontal lifting can be technically easily realized by four electric or pneumatic actuators, which attach in the corners of a rectangular window cover.
  • the actuators act on the lower disc, the lower disc are connected to the disc cover by suitable fasteners.
  • a fall protection in particular in the form of a metal grid, is provided underneath the window cover, personal injury resulting from intentional or unintentional entry and breaking of the window cover is avoided.
  • the opening in the roof is provided with an inner frame which projects beyond the roof surface with an upper portion, wherein the outside of the roof surface and the upper portion bridging a first sealing means is provided, the risk of water damage through in the interior or in the Insulating the roof surface prevents ingress of moisture.
  • the inner frame can be used for anchoring the skylight unit on the roof, characterized in that the inner frame is anchored in the opening in the roof and the skylight support ring is secured to the upper portion of the inner frame with fastening means, in particular by screws.
  • the anchoring of the skylight unit on the roof can be achieved in that the skylight support ring on the roof in the opening is connected to mounting rails, the mounting rails are anchored on the one hand on the inside of the skylight support ring and on the other hand in the opening of the roof.
  • the inside attachment of the skylight unit on the roof avoids the one hand, a penetration of the roof waterproofing membrane with the usual fastening means and thus avoids a critical subsequent sealing of these für oftenungsstellen the roof skin.
  • an undesirable thermal coupling between the weathered outside and the interior of the roof construction is avoided.
  • the attachment of the skylight unit on the roof of his directed towards the living / utility space inside thus avoids any thermal bridges.
  • the inner frame is made of fiber-reinforced plastic
  • the inner frame has sufficient stability and low thermal conductivity.
  • the inner frame made of glass fiber reinforced plastic.
  • the roof surface and the outside of the skylight installation ring can bridge over a second one Sealant be provided. This prevents that lying on the roof surface moisture, such as rainfall, but also with snow loads, can penetrate into the interior of the building.
  • the first and / or second sealing means should be a permanently elastic self-adhesive sealing collar.
  • the inside of the skylight support ring and possibly the inner frame are provided with a surface layer which is highly reflective of light.
  • a skylight unit 1 is shown on a flat roof 2 in a cross section.
  • the flat roof 2 consists of a concrete floor or concrete slab 21, on which a heat-insulating layer 22 rests with a sealing foil 23 resting thereon.
  • an opening 20 is provided in the desired dimension at the location provided for the skylight.
  • an inner frame 4 preferably made of glass fiber reinforced plastic attached.
  • the inner frame 4 extends substantially over the entire thickness of the roof 2 and is above, so on the weathering side, in the form of an upper portion 41 on the formed by the sealing film 23 roof level.
  • a permanently elastic first sealant 24 preferably glued in the form of a sealing sleeve, as for the sake of clarity in Fig. 1 is reproduced only on the right side in the cross-sectional view.
  • the skylight 10 is composed of wreath elements 100, which have a substantially triangular cross-section.
  • wreath elements 100 which have a substantially triangular cross-section.
  • the ring elements 100 can be connected by miter cuts corner.
  • the encircling skylight 10 can also be constructed of rectilinear and angularly cut to length rim elements 100 and separate corner elements. In this case, at least eight bridle lines are to be provided in the case of a rectangular skylight 10.
  • the ring element 100 is created as a hollow body made of a fiber-reinforced plastic.
  • the cavity is filled with a heat insulating core 101, such as a polyurethane structural foam.
  • a heat insulating core 101 such as a polyurethane structural foam.
  • the garland may also be formed alone from a thermally insulating solid material.
  • the ring element 100 is produced as a glass fiber reinforced plastic element in the pultrusion process (pultrusion) endless and then provided with a polyurethane structural foam core.
  • This sandwich element can then be cut on site or in a confectioning workshop to the respective desired length and assembled into a complete skylight 10 rim.
  • the joints are joined by means of suitable adhesive to the miter cuts or to the corner elements.
  • the skylight 10 is glued to the roof 2.
  • the anchoring of the skylight 10 can be done by guided through the upper portion 41 screws 42 with the inner frame 4 and thus the roof 2. This avoids an undesirable thermal bridge between the weathered outside and the roof construction.
  • the inner anchoring of the skylight installation ring 10 on the roof 2 does not require that the water-permeable roof skin be pierced with fastening means and subsequently be sealed in a costly manner.
  • the crowning element 10, which forms the skylight 10, with a heat-insulating core 101, has an underside 11 which rests on the roof 2, in particular on the sealing foil 23 of the roof 2. Furthermore, the ring element 100 has an inclined inner side 12, which creates a funnel-shaped extension of the skylight unit 1 to the weathering side, as shown in FIG Fig. 1 is shown with the slope N shown as an auxiliary line.
  • the inclination N in this case has an angle a to the roof surface normal Z of 20 ° to 75 °, in particular 30 ° to 60 ° and in the embodiment shown here of 45 °.
  • the inner sides 12 of the skylight 10 and the inner frame 4 are covered with a highly reflective surface layer 5. This can be, for example, a highly reflective film or a corresponding coating or coating.
  • each ring element 100 has an outer side 13, which in the illustrated embodiment, perpendicular to the bottom 11 and thus stands upright on the roof surface. Furthermore, the upper "corner" of the essentially triangular cross-section of the ring element 100 is flattened in the form of a roof-parallel upper side 14.
  • a disc cover 15 is placed on the top 14 of the skylight 10.
  • the disc cover 15 is in one Disc frame 152 framed, which consists of a fully encircling L-profile.
  • the downwardly facing free leg of the L-profile of the disc frame 152 overlies the overlay of the disc cover 15 on the top 14 of the skylight 10 to reduce the immediate impact of weathering.
  • a completely circumferential seal 151 is provided between the disc cover 15 and top 14.
  • a receptacle 17 in the form of a cutout with a horizontal support surface is formed in the region of the inner side 12, near the bottom 11, on which a lower plate 16 is placed sealingly by means of an interposed circumferential seal 171. Accordingly, formed between the disc cover 15 and the lower disc 16, an air chamber zone L, which forms a standing and highly insulating layer on both sides by the air-tight seal.
  • an opening means 3 for lifting the disc cover 15 and the lower disc 16 is provided.
  • the opening means 3 consists of a lifting device 30, which is arranged on the inside of the inner frame 4 and is preferably provided at right angles in each skylight units 1 at each corner, so four times. To the Fig. 1 not to overload, only one opening means 3 is shown.
  • the actuator 31 of the lifting device 30 allows lifting of the lower plate 16.
  • connecting elements 32 are provided which preferably also engage the four corner regions of the lower plate 16 and the disc cover 15.
  • the connecting elements 32 are formed from a material of low heat conduction in order to avoid thermal bridges.
  • the lifting device 30 for example, an electric lifting device is activated, so that the actuator extends 31 and raises the bottom plate 16 horizontally, so that there is a circumferential opening gap between bottom plate 16 and receptacle 17 and inner side 12 of the skylight 10.
  • the disc cover 15 also raised horizontally, so that here also results in a circumferential opening gap, which allows a free flow of air between the interior and the exterior.
  • skylight units 1 which are provided with opening means 3 can also be used as smoke and heat exhaust devices (short: RWA) in accordance with the statutory provisions.
  • RWA smoke and heat exhaust devices
  • the skylight support ring with a tilted with N inner side 12 is provided in conjunction with the over the entire funnel-shaped expanded surface on the top 14 of the skylight 10 through the large disc cover 15, a maximized light incidence for the skylight.
  • the incident over the large-area disc cover 15 daylight unless it radiates directly through the opening 20 into the interior, by possibly several reflections indirectly directed into the interior.
  • a significantly higher light output at the same size of the opening 20 is achieved compared to conventional dome light systems. Accordingly, the heat input increases, which can support the space heating during the heating season. Excessive heating can be given to the environment as needed by the highly efficient ventilation system.
  • a fall arrester in the form of a metal grating can be provided underneath the windshield cover 15 in the air chamber gap L.
  • the connecting elements 32 of the opening means 3 freely engage through the metal grid, so as not to restrict the ⁇ ffeniana the skylight.
  • the horizontal liftability of the window cover 15, in particular with the L-shaped window frame 152 provides good weathering protection, even in the case of rainfall, since the downwardly directed leg of the L-shaped profile of the window frame 152 largely prevents the penetration of precipitation into the interior space.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Building Environments (AREA)
EP10401001A 2009-01-15 2010-01-08 Unité de lanterneau pour toits plats ou toits légèrement inclinés Withdrawn EP2208834A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202009000031U DE202009000031U1 (de) 2009-01-15 2009-01-15 Oberlichteinheit für Flachdächer oder schwach geneigte Dächer

Publications (2)

Publication Number Publication Date
EP2208834A2 true EP2208834A2 (fr) 2010-07-21
EP2208834A3 EP2208834A3 (fr) 2012-08-29

Family

ID=40514870

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10401001A Withdrawn EP2208834A3 (fr) 2009-01-15 2010-01-08 Unité de lanterneau pour toits plats ou toits légèrement inclinés

Country Status (2)

Country Link
EP (1) EP2208834A3 (fr)
DE (1) DE202009000031U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016000925A1 (fr) * 2014-06-30 2016-01-07 Eternit Flachdach Gmbh Costière pour fenêtre de toit plat et fenêtre de toit plat
US11592197B2 (en) 2018-09-28 2023-02-28 Solatube International, Inc. Bottom-mounted whole house fan assembly

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2826777A1 (de) * 1978-03-07 1979-12-20 Karl Wilhelm Dipl Sessinghaus Dachluke, insbesondere fuer wohnwagen
US4296578A (en) * 1978-03-01 1981-10-27 Heikki Keckman Skylight apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29519937U1 (de) 1995-12-15 1996-02-29 Heinrich Strunz GmbH & Co. KG, 95111 Rehau Verbundaufsatzkranz
DE19830324A1 (de) 1998-07-07 2000-01-20 Strunz Heinrich Gmbh & Co Kg Lichtkuppeleinheit
DE20305342U1 (de) 2003-04-02 2003-07-31 Strunz Heinrich Gmbh Thermisch entkoppelter Metallaufsatzkranz

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296578A (en) * 1978-03-01 1981-10-27 Heikki Keckman Skylight apparatus
DE2826777A1 (de) * 1978-03-07 1979-12-20 Karl Wilhelm Dipl Sessinghaus Dachluke, insbesondere fuer wohnwagen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016000925A1 (fr) * 2014-06-30 2016-01-07 Eternit Flachdach Gmbh Costière pour fenêtre de toit plat et fenêtre de toit plat
US11592197B2 (en) 2018-09-28 2023-02-28 Solatube International, Inc. Bottom-mounted whole house fan assembly

Also Published As

Publication number Publication date
EP2208834A3 (fr) 2012-08-29
DE202009000031U1 (de) 2009-04-02

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