EP1987207A1 - Feuille anti-bruit - Google Patents

Feuille anti-bruit

Info

Publication number
EP1987207A1
EP1987207A1 EP07722945A EP07722945A EP1987207A1 EP 1987207 A1 EP1987207 A1 EP 1987207A1 EP 07722945 A EP07722945 A EP 07722945A EP 07722945 A EP07722945 A EP 07722945A EP 1987207 A1 EP1987207 A1 EP 1987207A1
Authority
EP
European Patent Office
Prior art keywords
drone
film
vibration
absorbing liquid
transparent
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
EP07722945A
Other languages
German (de)
English (en)
Other versions
EP1987207B1 (fr
Inventor
Gerd Hauser
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of EP1987207A1 publication Critical patent/EP1987207A1/fr
Application granted granted Critical
Publication of EP1987207B1 publication Critical patent/EP1987207B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/8409—Sound-absorbing elements sheet-shaped
    • 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
    • E04D13/008—Provisions for reducing rain noise

Definitions

  • the invention relates to an anti-drone film for attachment to the outside of a roof surface.
  • membrane design is expected to increase demand for appropriate solutions to reduce rainfall-induced sound levels.
  • a pressure-assisted, in particular air-assisted lightweight construction system is known, which is based on a composite construction consisting of a flat arrangement of individual hollow chambers, which are interconnected by connecting openings or perforations and sandwiched between an upper cover layer and a lower Cover layer are arranged.
  • the hollow chambers are fixed to the cover layers by a number of connection points.
  • a single planar arrangement of such hollow chambers and a plurality of layers arranged one above the other arrangements of this type may be provided, which are then separated from each other by intermediate layers and fixed by these against each other by a number of connection points.
  • the hollow chambers may be filled with air, another gas, a pourable or free-flowing material or with a liquid.
  • the lightweight system can also be used as heat or sound insulation or as anti-drone lamination.
  • An essential feature is considered that the hollow chambers with the outer layers, and not with each other over the entire surface, but slack, pointwise and non-positively connected are.
  • a flexible, pronounced shape design should be possible, depending on the pressure prevailing in the hollow chambers.
  • the transport volume should be significantly reduced, when used on site, the hollow chambers should then be filled with the appropriate medium.
  • the pressure-assisted lightweight system is intended, in particular as an air-assisted lightweight construction system for largely self-supporting roof, wall, surface and room design or used in conjunction with conventional structure and supported by air cushion or propellant gas used as a roof part.
  • the object of the invention is to provide an improved anti-drone material, which affects the function of transparent or translucent components as little as possible and has a high stability and shape retention.
  • the invention provides an anti-drone film for attachment to the outside of a roof or building surface, with a first film layer and a second film layer, which are held at a predetermined distance from each other and from a transparent or translucent Material composed, and with an outwardly closed cavity, which is arranged between the film layers and filled with a transparent or translucent vibration-absorbing liquid.
  • the film layers are held by connecting webs and / or by stitching in their predetermined distance and limit the filled with the vibration-absorbing liquid cavity.
  • a significant advantage of the anti-drone film according to the invention is that it can be equipped with the best possible optical properties, since in the optical path only two layers of film and the vibration-absorbing liquid therebetween present and therefore the function of said transparent or translucent components only slightly is impaired.
  • Another important advantage of the anti-drone film according to the invention is that it has a high strength with high formability and low weight due to the direct mutual connection of the two film layers.
  • the connecting webs and / or the stitching are transparent or translucent.
  • the webs or stitchings connecting the film layers extend in one direction.
  • the webs or stitchings connecting the film layers extend in several directions.
  • the vibration-absorbing liquid is a gel.
  • the vibration-absorbing liquid is frost-resistant.
  • the vibration-absorbing liquid contains a material which has a reversibly variable depending on the temperature and / or the radiation intensity translucency.
  • the anti-drone film according to the invention is stretchable and flexible to a predetermined extent.
  • FIG. 1 is a side sectional view of a transparent member having mounted thereon anti-drone film according to an embodiment of the invention.
  • FIG. 2 is a sectional view through the embodiment of FIG. 1.
  • FIGS. 1 and 2 show a transparent component 20 of a building, for example a light dome segment made of acrylic glass.
  • an element or material 10 is arranged, which serves to dampen the sound generation in heavy precipitation such as rain or hail and which here for the sake of simplicity as an anti Dröhn foil should be called (although it is more complex than a "foil" in the usual sense).
  • This anti-drone film 10 generally comprises a first film layer 1 and a second film layer 2, which are held at a predetermined distance from each other and define an outwardly closed cavity 3.
  • the one by the. Foil layers 1, 2 limited cavity 3 is filled with a vibration-absorbing liquid 4. (The cavity 3 will typically comprise one, possibly large, number of spaces filled with the vibration absorbing liquid 4).
  • the film layers 1, 2 are held by connecting webs 5 at their predetermined distance.
  • the film layers 1, 2 can also be held by stitching 6 at the predetermined distance.
  • Embodiment extend the web layers 1, 2 connecting webs 5 in a single direction, namely parallel to each other similar as it is the case with double-wall sheets.
  • the webs 5 or stitchings 6 connecting the film layers can also run in several directions, for example forming a waffle pattern or another suitable pattern.
  • the film layers 1, 2 and also the connecting web 5 and the vibration-absorbing liquid 4 are transparent.
  • the vibration-absorbing liquid 4 is preferably a translucent and frost-resistant gel.
  • the materials for the film layers 1, 2 as well as for the gel 4 should have a high resistance to aging, light and UV. Such materials are well known in the art as such.
  • the webs 5 or stitchings 6 connecting the two film layers 1, 2, as well as the material of the film layers 1, 2, are to be selected with regard to their distances and the nature of their connection such that excessive flow or formation of accumulations of the gel as well as excessive deviations of the gel Thickness of the film layers 1, 2 limited, the liquid or the gel 4 containing cavity 3 is avoided.
  • the vibration-absorbing liquid or the gel 4 may contain a material which has a translucency which changes reversibly as a function of the temperature or the radiation intensity, ie, with an increase in the irradiation intensity and / or the temperature, less light lets through and thus counteracts excessive heating inside the building.
  • the anti-drone film 10 is preferably stretchable to a predetermined extent and flexible in the sense of adaptation to curvatures of skylights or membranes.
  • the vibration-absorbing liquid or gel 4 absorbs the impulse of an impinging raindrop or hailstone without significant generation of sound.
  • the anti-drone film according to the invention can be used both in the construction of buildings application as well as subsequently attached to the corresponding components.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Laminated Bodies (AREA)
  • Tents Or Canopies (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP07722945A 2006-02-24 2007-02-26 Feuille anti-bruit Not-in-force EP1987207B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006008787A DE102006008787B4 (de) 2006-02-24 2006-02-24 Anti-Dröhn-Folie
PCT/EP2007/001633 WO2007098905A1 (fr) 2006-02-24 2007-02-26 Feuille anti-bruit

Publications (2)

Publication Number Publication Date
EP1987207A1 true EP1987207A1 (fr) 2008-11-05
EP1987207B1 EP1987207B1 (fr) 2010-04-28

Family

ID=37963977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07722945A Not-in-force EP1987207B1 (fr) 2006-02-24 2007-02-26 Feuille anti-bruit

Country Status (4)

Country Link
EP (1) EP1987207B1 (fr)
AT (1) ATE466142T1 (fr)
DE (2) DE102006008787B4 (fr)
WO (1) WO2007098905A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2784307A1 (fr) 2013-03-28 2014-10-01 Siemens Aktiengesellschaft Feuille dotée de chambres remplies de liquide, composant doté d'un telle feuille et son procédé de fabrication

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE909465C (de) * 1950-11-10 1954-04-22 Siemens Ag Anordnung zur Daempfung von mechanischen Schwingungen in Fahrleitungen
DE2757945C3 (de) * 1977-12-24 1981-10-29 Mannesmann AG, 4000 Düsseldorf Wasserrutsche für Personen
US5170018A (en) * 1991-02-19 1992-12-08 Exxon Production Research Company Method and apparatus for tube-wave suppression
US7067583B2 (en) * 1994-04-19 2006-06-27 Applied Elastomerics, Inc. Tear resistant adherent gels, composites, and articles
DE10054975C2 (de) * 2000-11-06 2003-02-13 Gerhard Henzler Bauelement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007098905A1 *

Also Published As

Publication number Publication date
DE102006008787B4 (de) 2007-11-29
DE102006008787A1 (de) 2007-09-06
ATE466142T1 (de) 2010-05-15
DE502007003592D1 (de) 2010-06-10
EP1987207B1 (fr) 2010-04-28
WO2007098905A1 (fr) 2007-09-07

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