EP2938793B1 - Wand umfassend eine staubdichte schalldämmungsanordnung - Google Patents

Wand umfassend eine staubdichte schalldämmungsanordnung Download PDF

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Publication number
EP2938793B1
EP2938793B1 EP13805450.7A EP13805450A EP2938793B1 EP 2938793 B1 EP2938793 B1 EP 2938793B1 EP 13805450 A EP13805450 A EP 13805450A EP 2938793 B1 EP2938793 B1 EP 2938793B1
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EP
European Patent Office
Prior art keywords
fabric
wall
assembly
micro
absorbing assembly
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Application number
EP13805450.7A
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English (en)
French (fr)
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EP2938793A1 (de
Inventor
Jean-Marc Scherrer
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Individual
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Priority to PL13805450T priority Critical patent/PL2938793T3/pl
Publication of EP2938793A1 publication Critical patent/EP2938793A1/de
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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
    • 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
    • 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
    • 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
    • E04B1/86—Sound-absorbing elements slab-shaped
    • 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
    • E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
    • E04B2001/8281—Flat elements mounted parallel to a supporting surface with an acoustically active air gap between the elements and the mounting surface
    • 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
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8433—Tray or frame type panels or blocks, with or without acoustical filling with holes in their face
    • 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
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8452—Tray or frame type panels or blocks, with or without acoustical filling with peripheral frame members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/30—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall
    • E04B9/303—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall for flexible tensioned membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols

Definitions

  • the invention relates to the field of false walls, and in particular that of false ceilings and false walls.
  • the invention relates more particularly to a wall comprising an acoustically absorbent assembly.
  • the assembly is intended in particular, but not exclusively, to be placed inside a room, such as an apartment, a concert hall, etc., in which it is necessary, in addition to hiding unsightly equipment such electric cables, pipes, etc., to control the acoustic behavior.
  • the false walls are produced from frames capable of being fixed to a wall or a ceiling of a room and flexible sheets stretched over these frames.
  • the false walls of the prior art produced with stretched flexible sheets have a major drawback which is to have poor acoustic properties.
  • the stretched sheets indeed reflect the sound waves, thus generating a significant phenomenon of reverberation (or echo) of the sound waves.
  • WO 01/20091 A1 a suspended ceiling system comprising a plurality of ceiling elements (2) which are essentially arranged in a horizontal level and means (3) for fixing the ceiling element (2) to a ceiling or to a wall.
  • the objective of this document is to easily produce and individually adapt ceiling elements (2) to the room, to simplify assembly and to better light the room.
  • the ceiling elements (2) are provided with a closed frame (6).
  • the periphery of said frame is oriented towards the outside and is covered with a stretched film (7) at least partially permeable to light.
  • the ceiling elements (2) are configured square or possibly rectangular, so that the room to be lit can be equipped with ceiling elements (2) of the same dimensions.
  • the document WO 01/20091 discloses a wall according to the preamble of claim 1.
  • EP 0 046 559 A2 (HOECHST AKTIENGESELLSCHAFT) an acoustic absorption element equipped with a resonator, comprising a sound absorbing material and an intrinsically stable casing surrounding this material, the acoustic absorption element equipped with a resonator comprising a rigid hollow body which is open to one or two of its ends and in the cavity of which at least one sound-absorbing planar resonator and / or at the front end of which is arranged a sound-absorbing planar resonator covering the opening situated at the anterior end of the cavity, the constituent material the planar resonator (s) being chosen from a group consisting of a) perforated plastic films, b) films based on cellulose hydrate, at least approximately devoid of fibers and having an open pore structure, and c) sheets comprising polymeric fibrids.
  • the constituent material the planar resonator (s) being chosen from a group consisting of a) perforated plastic films
  • the sealing problems are resolved.
  • the presence of the solid fabric influences the overall acoustic performance of the stretched sheet. It has in fact been observed a drop in the absorption coefficient of the stretched sheet, in particular for sound frequencies greater than 300 Hz, to reach unsatisfactory values (less than 0.35).
  • acoustic absorbing assembly intended to constitute, inside an enclosure, at least one wall element, the assembly comprising at least two supports provided with micro-performances and a support not comprising micro-perforation, the support not including micro perforation being placed on the side visible from inside the room.
  • the acoustic assembly described has a satisfactory efficiency, a decrease in the acoustic performance of the assembly is observed for sound frequencies greater than 300 Hz to reach an absorption coefficient below 0.35 for higher frequencies. at 300 Hz.
  • the invention aims to remedy these problems by proposing a sealed assembly and offering satisfactory acoustic properties over a wide range of frequencies, and in particular for frequencies above 300 Hz.
  • the term “satisfactory acoustic properties” means an assembly having an absorption coefficient of sound waves greater than or equal to 0.35.
  • the invention provides a wall (1) comprising at least one sound absorbing assembly (10), the sound absorbing assembly (10) being fixed to the wall (1) and consisting of two fabrics (11, 12) parallel to each other and assembled at the periphery on a hooking means, said fabrics (11, 12) respectively defining an internal fabric (12) full said upper fabric and an external fabric (11) said visible lower fabric from said room where the assembly (10) is fixed to the wall, the internal fabric (12) being devoid of perforations, the external fabric (11) is disposed at a distance from the internal fabric (12) of between 30 and 200 millimeters, and characterized in that said external fabric (11) comprises micro-perforations (2) with a density greater than 1000 micro-perforations / m 2 having a diameter less than 0.1 millimeters and arranged to form an acoustic canvas so forming a waterproof sound absorbing assembly (10) he having an absorption coefficient of sound waves greater than or equal to 0.35 for frequencies greater than 300 HZ, and where said
  • external canvas means the canvas visible from the room when the assembly is fixed to a wall or the ceiling, and by "internal canvas", the canvas arranged between the external fabric and the wall or ceiling.
  • Micro-perforations are also understood to mean perforations having a diameter of less than 0.1 millimeter.
  • a canvas devoid of micro-perforations solid canvas
  • a micro-perforated canvas arranged on the visible side of the room, at a determined distance from the non-micro-perforated canvas makes it possible to '' improve the acoustic properties for frequencies above 300 Hz beyond a coefficient of 0.35.
  • the wall (1) comprising at least one sound absorber assembly according to the invention allows as well to achieve watertight walls and having satisfactory acoustic properties in an extended range of frequencies.
  • the wall element may or may not include a frame.
  • the two fabrics will be fixed on a frame intended to be hung on the wall to hide via fixing systems of the hanging type.
  • the two fabrics In the second configuration, the two fabrics will be fixed directly stretched between two walls by means of rails.
  • the internal fabric and the external fabric are arranged at a distance from one another between 30 and 200 millimeters, and preferably of the order of 80 millimeters.
  • the external fabric has a density of micro-perforations greater than 1000 micro-perforations / m2.
  • the external fabric has a uniform distribution of the micro-perforations.
  • the internal fabric is translucent or transparent.
  • At least one of the fabrics is made of polyvinyl chloride.
  • the invention also relates to a wall, of the wall or ceiling type, comprising at least one sound absorbing assembly as described above.
  • the sound absorbing assembly is mounted on the wall of the premises so that the internal fabric is disposed at a distance from the wall greater than the distance separating the internal fabric from the external fabric.
  • the wall includes light means placed between the wall and the internal fabric of the sound absorbing assembly.
  • the internal and external fabrics are translucent. The advantage of such an arrangement is to form a backlit wall offering a satisfactory acoustic behavior, the internal fabric ensuring the diffusion of light while masking the light means due to its translucency, the external fabric ensuring the acoustic behavior. the fact that it has micro-perforations and that it is placed at a determined distance from the internal fabric.
  • the wall constitutes a ceiling
  • the ceiling 1 of a room is described, the ceiling comprising an acoustic absorbing assembly 10 according to the invention.
  • the assembly 10 comprises two stretched fabrics 11, 12, preferably made of polyvinyl chloride (PVC), arranged parallel to each other at a determined distance from one another D1.
  • said fabrics 11, 12 are hermetically assembled at the periphery using a hooking means such as a heddle or a frame (not shown).
  • the fabrics 11, 12 extend parallel to the wall 1 (here the ceiling 1) on which the assembly 10 is fixed.
  • the acoustic assembly 10 is fixed on a support 5 itself fixed to the wall 1.
  • the support 5 and the hooking means are formed in one piece. Provision may however be made for the support 5 to form a separate part from the anchoring means without departing from the scope of the invention.
  • the upper fabric 12 constitutes a so-called internal fabric
  • the lower fabric 11, visible from the room constitutes a so-called external fabric.
  • the external fabric 11 constitutes the fabric arranged on the side of the interior of the room
  • the internal fabric constitutes the fabric disposed between the external fabric 11 and the wall on which is fixed the set 10 , in this case the ceiling 1.
  • the external fabric 11 of lower fabric and the internal fabric 12 of upper fabric will also be designated.
  • the external fabric 11 (or lower fabric) has micro perforations 2 arranged and distributed on the fabric so as to form a fabric that acoustically absorbs sound.
  • micro-perforations means all perforations having a diameter less than or equal to 0.1 millimeters.
  • the lower fabric has a density of perforations greater than 1000 micro-perforations / m2. It is of course obvious that the invention is not limited to such a density and that the latter can be adjusted according to the acoustic behavior of the desired room.
  • micro-perforations are distributed so uniform on the canvas, this in order to ensure an identical acoustic behavior of the canvas regardless of the location of the sound source in the room.
  • the internal fabric 12 (or upper fabric) is, for its part, a solid fabric, that is to say devoid of any perforation or micro-perforation.
  • the fabric 12 is dustproof.
  • micro-perforated fabric 11 placed under the non-micro-perforated fabric 12 makes it possible to maintain satisfactory acoustic properties of the assembly 10, in particular for frequencies of sounds emitted greater than 300 Hz.
  • the graph illustrated on the figure 2 shows the absorption spectrum of the assembly 10 thus arranged.
  • the distance D1 between the two fabrics 11, 12 is between 30 and 200 millimeters.
  • the acoustic assembly is fixed to the wall to be “covered” (in this case the ceiling 1). It is of course obvious that provision can be made for the acoustic assembly 10 to be fixed to walls adjacent to the wall to be “covered” without departing from the scope of the invention.
  • the upper fabric 12 (or internal fabric) is translucent.
  • the internal fabric is transparent.
  • the figure 3 illustrates the presence of light means 50, 51, 52 in the residual space 4 formed between the upper fabric 12 and the ceiling 1.
  • the light means 50, 51, 52 are fixed at the level of the ceiling 1 , at a distance from the ceiling and also on the support 5. It is obviously obvious that the invention is not limited to this configuration as regards the location of the light means and that any other arrangement can be provided without departing from the scope of the invention.
  • the light means 51 placed at a distance from the ceiling are shown at the same height relative to the ceiling 1. It is of course obvious that there can be provided a positioning of the light means at heights relative to the ceiling different from each other without departing from the scope of the invention.
  • the light means 50, 51 are fixed individually to the ceiling 1. It is of course obvious that the means can be fixed to the ceiling by means of a common base without, however, depart from the scope of the invention. In order to mask the light means 50, 51, 52, the upper fabric 12 is advantageously translucent.

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Claims (8)

  1. Wand (1) mit mindestens einer Schallabsorptionsanordnung (10), wobei die Schallabsorptionsanordnung (10) an der Wand (1) fixiert ist und aus zwei parallel zueinander verlaufenden und an einer Befestigungseinrichtung montierten Bahnen (11, 12) besteht, wobei die Bahnen (11, 12) jeweils eine geschlossene innere Bahn (12), obere Bahn genannt, und eine äußere Bahn (11), unteres Bahn genannt, die von dem Raum aus sichtbar ist, in dem die Anordnung (10) an der Wand fixiert ist, definieren, wobei die innere Bahn (12) keine Perforationen aufweist, wobei die äußere Bahn (11) in einem Abstand zwischen 30 und 200 Millimetern von der inneren Bahn (12) angeordnet ist, dadurch gekennzeichnet, dass die äußere Bahn (11) Mikroperforationen (2) mit einer Dichte von mehr als 1000 Mikroperforationen/m2 beinhaltet, die einen Durchmesser von weniger als 0,1 Millimeter haben und angeordnet sind, um eine Akustikbahn zu bilden, so dass eine dichte Schallabsorptionsanordnung (10) gebildet wird, die einen Schallwellenabsorptionskoeffizienten größer oder gleich 0,35 bei Frequenzen oberhalb von 300 Hz aufweist, und wobei die Wand (1), welche mindestens die Schallabsorptionsanordnung (10) umfasst, ferner Leuchteinrichtungen (50, 51, 52) beinhaltet, die zwischen der Wand und der inneren Bahn (11) der Schallabsorptionsanordnung (10) platziert sind, so dass eine von hinten beleuchtete Wand gebildet wird.
  2. Wand nach Anspruch 2, dadurch gekennzeichnet, dass der Abstand zwischen der inneren Bahn (12) und der äußeren Bahn (11) in der Größenordnung von 80 Millimetern liegt.
  3. Wand nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass die äußere Bahn (11) eine gleichmäßige Verteilung der Mikroperforationen (2) aufweist.
  4. Wand nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die innere Bahn (12) transluzent oder transparent ist.
  5. Wand nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die äußere Bahn (11) transluzent oder transparent ist.
  6. Wand nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass mindestens eine der Bahnen (11, 12) aus Polyvinylchlorid hergestellt ist.
  7. Wand nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Schallabsorptionsanordnung (10) an der Wand des Raums derart montiert ist, dass die innere Bahn (12) in einem Abstand von der Wand angeordnet ist, der größer als der Abstand zwischen der inneren Bahn (12) und der äußeren Bahn (11) ist.
  8. Wand nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass diese von hinten beleuchtete Wand aus einer abgehängten Decke besteht.
EP13805450.7A 2012-12-31 2013-10-31 Wand umfassend eine staubdichte schalldämmungsanordnung Active EP2938793B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13805450T PL2938793T3 (pl) 2012-12-31 2013-10-31 Przegroda zawierająca uszczelniony zespół dźwiękochłonny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1262985A FR3000509B1 (fr) 2012-12-31 2012-12-31 Ensemble etanche et acoustiquement absorbant pour fausse paroi
PCT/FR2013/052615 WO2014102473A1 (fr) 2012-12-31 2013-10-31 Ensemble etanche et acoustiquement absorbant pour fausse paroi

Publications (2)

Publication Number Publication Date
EP2938793A1 EP2938793A1 (de) 2015-11-04
EP2938793B1 true EP2938793B1 (de) 2020-05-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13805450.7A Active EP2938793B1 (de) 2012-12-31 2013-10-31 Wand umfassend eine staubdichte schalldämmungsanordnung

Country Status (13)

Country Link
US (1) US10260231B2 (de)
EP (1) EP2938793B1 (de)
JP (1) JP6318387B2 (de)
CN (2) CN105051295A (de)
AU (1) AU2013369101B2 (de)
CA (1) CA2896767C (de)
DK (1) DK2938793T3 (de)
ES (1) ES2811066T3 (de)
FR (1) FR3000509B1 (de)
HK (1) HK1216262A1 (de)
PL (1) PL2938793T3 (de)
PT (1) PT2938793T (de)
WO (1) WO2014102473A1 (de)

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FR3000509B1 (fr) * 2012-12-31 2015-01-16 Jean-Marc Scherrer Ensemble etanche et acoustiquement absorbant pour fausse paroi
BR112015024512B1 (pt) * 2013-05-02 2022-02-22 Carl Zeiss Ag Método e sistema para determinar a estrutura espacial de um objeto, método para determinar o efeito óptico dependente de localização e direção de um objeto e uso de um sistema
AT516088A3 (de) * 2014-07-17 2019-01-15 Anton Schnurrer Beleuchtungseinrichtung
US10101002B2 (en) * 2015-11-09 2018-10-16 Apple Inc. Light fixture with fabric layer having printed dots
US10961700B2 (en) * 2017-02-27 2021-03-30 Knoll, Inc. Noise reduction apparatus and method of making and using the same

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CA2896767A1 (en) 2014-07-03
PL2938793T3 (pl) 2021-01-11
FR3000509B1 (fr) 2015-01-16
DK2938793T3 (da) 2020-08-03
AU2013369101B2 (en) 2018-05-10
EP2938793A1 (de) 2015-11-04
CN111636578A (zh) 2020-09-08
HK1216262A1 (zh) 2016-10-28
CA2896767C (en) 2021-04-13
US10260231B2 (en) 2019-04-16
ES2811066T3 (es) 2021-03-10
JP2016508195A (ja) 2016-03-17
US20150330073A1 (en) 2015-11-19
CN105051295A (zh) 2015-11-11
WO2014102473A1 (fr) 2014-07-03
AU2013369101A1 (en) 2015-07-02
JP6318387B2 (ja) 2018-05-09
FR3000509A1 (fr) 2014-07-04
PT2938793T (pt) 2020-08-24

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