EP2447432A1 - Vorrichtung zum Aufhängen eines Elements zur Schalldämmungsbehandlung - Google Patents

Vorrichtung zum Aufhängen eines Elements zur Schalldämmungsbehandlung Download PDF

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Publication number
EP2447432A1
EP2447432A1 EP11187589A EP11187589A EP2447432A1 EP 2447432 A1 EP2447432 A1 EP 2447432A1 EP 11187589 A EP11187589 A EP 11187589A EP 11187589 A EP11187589 A EP 11187589A EP 2447432 A1 EP2447432 A1 EP 2447432A1
Authority
EP
European Patent Office
Prior art keywords
conformation
elastic
suspension device
blade
intended
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
EP11187589A
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English (en)
French (fr)
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EP2447432B1 (de
Inventor
Jean-Philippe Thome
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.)
Acoudesign SAS
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Acoudesign SAS
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Publication date
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Publication of EP2447432A1 publication Critical patent/EP2447432A1/de
Application granted granted Critical
Publication of EP2447432B1 publication Critical patent/EP2447432B1/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
    • 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
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/34—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
    • E04F13/081—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and covering elements
    • E04F13/083—Hooking means on the back side of the covering 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
    • 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
    • E04B2001/8442—Tray type elements
    • 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
    • E04B9/18—Means for suspending the supporting construction
    • E04B2009/186—Means for suspending the supporting construction with arrangements for damping vibration

Definitions

  • the present invention relates to the technical field of acoustic treatment of closed volumes or open spaces in order to reduce noise nuisance or to modify the acoustic behavior of these open or closed spaces in order, for example, to attenuate the reverberation of sounds or still absorb certain sound frequencies.
  • acoustic panels which have on their front face materials capable of attenuating or absorbing certain sounds.
  • these acoustic panels are intended to absorb sounds belonging to the low frequencies audible, namely bass sounds, it is necessary, to ensure maximum efficiency of these acoustic panels, to fix them on their support so that they are decoupled from the latter and thus have a degree of freedom in oscillation in a direction perpendicular to their front face.
  • a request W02009 / 019363 proposed to implement metal hooks each comprising a fastening branch on a support and a hooking arm of the panel, the two branches being connected by a spring element working in torsion so as to allow a relative rotation of two branches.
  • Such a system effectively allows a flexible suspension of an acoustic panel on a supporting structure such as a wall but has the disadvantage of being difficult to adjust because of the embodiment of the elastic connection between the two branches.
  • Another disadvantage of such a suspension system lies in the excessive stiffness of the suspension system which prevents it from being effective in the lower frequencies of the audible sound spectrum.
  • the elastic connection means in the form of an elastic connecting strip of polymer material and / or elastomer and / or composite working in bending makes it easy to obtain a stiffness lower than that resulting from the implementation of elastic elements working in compression.
  • the modification of the length of the elastic connection blade makes it easy to match the stiffness of the elastic connection.
  • the first and second half-bodies each have a bearing flange on the corresponding element, the bearing flanges and the elastic connecting blade being parallel to each other.
  • Such a configuration of the support pads and the elastic connection blade ensures a work of the latter in pure bending.
  • the elastic blade is substantially flat or flat.
  • Such a planar shape of the elastic blade makes it possible, on the one hand, to guarantee pure bending work and, on the other hand, to limit the size or thickness of the device according to the invention.
  • the connecting blade has an elongate shape and is connected at the level of at least one longitudinal edge to the first half-body.
  • the elastic blade is bonded, on the one hand, to the first half-body at two opposite longitudinal edges and, on the other hand, to the second half-body at a central longitudinal region located between opposite longitudinal edges.
  • the elastic connection blade is prestressed in extension. Such prestressing makes it possible to favor bending work and to better adjust the value of the stiffness of the elastic blade for a normal stress on its faces or its extension direction.
  • the elastic connection blade comprises a central shaping conformation of the second half-body.
  • the production of the elastic connection blade in the form of an elastic profile makes it possible to adjust the stiffness of the suspension device according to the invention by adjusting the length of the elastic connection blade used.
  • each fastening section comprises a longitudinal groove in "C” or " ⁇ " open opposite the bearing flange.
  • one of the binding conformations is a groove and the other binding conformation is a rib intended to engage in the groove.
  • the suspension device comprises two locking keys, each engaged in conjunction with a hooking conformation of the elastic connecting blade in a corresponding latching groove of the first half-body.
  • the implementation of these locking keys makes it possible to ensure a tensile pretension of the connecting blade when each locking key is engaged in the corresponding engagement groove.
  • the invention also relates to an acoustic treatment assembly formed, on the one hand, of an acoustic treatment element comprising at least one acoustic panel, a front face of which is at least partly formed of materials that absorb the audible sound waves and, d on the other hand, several suspension device according to one according to the invention, a half-body is intended to be fixed on a rear face of the acoustic panel and a half-body is intended to be fixed on a carrier member.
  • a set of acoustic treatments comprises an acoustic treatment element E such as an acoustic panel intended, for example, to absorb sound to reduce its reverberation on the support element M such as for example a wall carrying the panel E .
  • an acoustic treatment element E such as an acoustic panel intended, for example, to absorb sound to reduce its reverberation on the support element M such as for example a wall carrying the panel E .
  • the acoustic treatment element E comprises a rigid support 1 formed, for example, a gypsum board trapped between two sheets of cardboard.
  • the rigid support 1 carries at its front face a thickness 2 of a material, absorbing sound waves, composed for example of a compressed mineral wool such as glass wool covered with a textile 3 which protects it and ensures compression.
  • the acoustic treatment element E could be made in any other appropriate manner according to the range of frequencies that it must absorb.
  • the acoustic processing element E could also be designed to reverberate the sound waves selectively according to their wavelength.
  • the design of the acoustic treatment element E according to the desired effects is well known to those skilled in the art and therefore does not require further explanation.
  • the acoustic treatment element E must be able to oscillate in a direction D substantially perpendicular to its front face or to the faces of the rigid support 1.
  • the invention proposes to implement suspension devices 10 which are fixed on the rear face of the acoustic treatment element E and on the support element M and which provide a mechanical decoupling between these two E and M.
  • each suspension device 10 comprises a first half-body 11 which is intended to be fixed on one of the two elements E and M, and which is, according to the illustrated example, fixed on the element of acoustic treatment E.
  • Each suspension device 10 also comprises a second half-body 12 which is intended to be fixed on the other of the two elements E and M, and which is, in this case, fixed on the support element M.
  • the first 11 and second 12 half-bodies are connected by elastic connection means 13 as will appear below.
  • each half-body 11 and 12 is formed from a fastening profile 15 shown alone in FIG. figure 3 .
  • the fastening profile 15 comprises a substantially flat bearing plate 16 intended to be applied to the element carrying the corresponding half-body.
  • the bearing flange 16 carries, at two opposite longitudinal edges 17, 18, a gripping conformation comprising a longitudinal groove 19 in " ⁇ ".
  • Each longitudinal hooking groove 19 is then open opposite the bearing plate 16.
  • the longitudinal grooves 19 are carried by walls 20 and 21 extending in the extension of the longitudinal edges. 17 and 18, substantially perpendicular to the bearing flange 16.
  • the gripping grooves 19 are here arranged outside the walls 20 and 21.
  • each groove 19 and the corresponding wall 20 or 21 define, seen in transverse cross section, a subassembly having an inverted h-shape and connected by the head of the h to the support plate 16, substantially at a longitudinal edge 17 or 18 thereof .
  • the fastening section 15 is made of a rigid material such as, for example, extruded aluminum or a rigid plastic material such as for example polyvinyl chloride (PVC), polycarbonate (PC), polyamide (PA) and polypropylene (PP).
  • a rigid material such as, for example, extruded aluminum or a rigid plastic material such as for example polyvinyl chloride (PVC), polycarbonate (PC), polyamide (PA) and polypropylene (PP).
  • the elastic connection means 13 comprise an elastic profile 25 shown alone at the figure 4 .
  • the elastic profile 25 comprises a flat core 26 which forms an elastic blade whose function will appear thereafter.
  • the elastic profile 25 comprises at two opposite longitudinal edges 27 and 28 of the blade 26, a hooking conformation 29 intended to cooperate with a corresponding groove 19 of a fastening profile 15.
  • the fastening formations 29 have, according to the illustrated example, a shape in " ⁇ " and are separated by a distance less than or equal to the distance separating the two latching grooves 19 of the profile 15.
  • the elastic section 25 comprises in the center of the core 26 a binding conformation 30 whose function will appear thereafter.
  • the connecting conformation 30 extends over the entire length of the core 26 being parallel to its longitudinal edges 27 and 28 and centered on a median plane P of the elastic section 25.
  • the binding conformation 30 is here formed by a rib T-piece extending opposite the hooking conformations 29.
  • the elastic profile 25 may be made of any material conferring on the elastic blade formed by the core 26 a stiffness compatible with the desired acoustic treatment.
  • the elastic profile will be made of polymer material and / or elastomer and for example natural or synthetic rubber, or Santoprene TM thermoplastic elastomer marketed by ExxonMobil Chemical.
  • the elastic profile 25 could also be made of composite material consisting of a thermoplastic or thermoset polymer material loaded with reinforcing fibers.
  • the connecting section 35 is formed of a planar body 36 comprising, at two opposite longitudinal edges 37 and 38, hooking formations 39 intended to cooperate c hac one with a corresponding groove 19 of the fastening section 15 constituting the second body half 12.
  • each hooking conformation 39 in the form of a hook intended to be fitted on the outer box 19 rd of the corresponding attachment groove.
  • the connecting profile 35 c om takes further, at an e centr al region, a binding conformation 40 centered sister u n median plane P 'and intended to cooperate with the conformation of connection 30 of the resilient section 15.
  • the connection conformation 40 is made, according to the illustrated example, in the form of a groove C in which the rib T is intended to engage to ensure that the elastic section 25 is connected to the connecting section 35 in translation parallel to the median plane P or P '.
  • the connecting section 35 is preferably made of the same material as the fixing section 15.
  • the suspension device 10 is formed from the profiles 25 and 35 previously described and implemented in the following manner.
  • Two sections of fixing section 15, intended to form the first half-bodies 11, are cut to a length corresponding to the length of the upper and lower edges of the acoustic panel E.
  • the support plate 16 of each section section 15 is then fixed on the panel E by means of, for example, screws being understood that a bonding attachment or any other suitable means could also be considered.
  • one or more sections of the elastic section 25 are cut according to, on the one hand, the desired stiffness for the suspension of the acoustic panel E and, on the other hand, the number of connection points necessary for a satisfactory fixation of said acoustic panels E.
  • the implementation of an elastic profile makes it easy to adjust the stiffness of the suspension to the extent that the latter is directly proportional to the length of the elastic profile used.
  • each section of elastic profile is then hooked by the conformations 29 in the grooves 19 of the constituent fastening profile of the first half-body 11.
  • it is locking keys 41 which are engaged in the hooking conformations 29 so as to deform them to fit the shape of the inside of the hooking grooves 19.
  • each locking key 41 is made in the form of a profile which comprises a body 42 in O bonded to a rib 43 in Y.
  • the body 42 is intended to engage in an attachment conformation 29 of the elastic section 25 while the rib 43 is intended to extend outside the shackle conformation 29 to allow removal of the locking key 41 for the case where it would be necessary to disassemble the elastic section 25.
  • connecting section 35 It is also cut as many sections of connecting section 35 that has been made of sections of elastic section 25.
  • Each link section section 35 is then attached to the corresponding section of elastic section 25 by engaging the groove link 40 on the connecting rib 30.
  • the relative translation between the elastic section 25 and the connecting section 35 can then be blocked by means of a screw 45 engaged simultaneously in the bottom of the groove 40 and the head of the rib 30 , as shown figure 2 .
  • the panel E is then suspended from the wall M by the forced engagement of the attachment conformations 39 of the connecting sections 35 in the corresponding latching grooves 19 of the fastening profiles 15 constituting the second half-bodies 12.
  • This mode of assembly allows easy assembly and disassembly of the panel E which can then be replaced by another panel of the same size but with different acoustic characteristics.
  • the suspension devices 10 according to the invention make it possible, thanks to the elastic strips 26 formed by the webs of the elastic profiles 25, to the panel E to oscillate in the direction D.
  • the conformation of the profiles fixing device 15 makes it possible to arrange at the rear of each elastic blade 26 a chamber 46 allowing the flexion of said elastic blade 26.
  • the resilient blades 26 work in bending, it is possible to obtain resonant frequencies, the acoustic treatment unit formed by the panel E and the suspension devices 10, less than 50 Hertz and, for example, the order of 20 Hertz. Such resonance frequencies are to be compared with the resonant frequencies of the order of 80 Hertz obtained with systems whose elastic connection members work in compression.
  • the invention thus makes it possible, by using resilient blades 26 working in bending, to provide an acoustic treatment action in the lower part of the audible sound spectrum while using suspension devices whose components are likely to be manufactured in series. and therefore to have a relatively low manufacturing cost.
  • the bottom of the grooves 19 is not at the same level as the sole 16.
  • the profiles 15 could be made so that the bottom of the grooves 19 is formed by the sole 16.
  • the elastic section 25 is made of a single elastomeric material.
  • the profile 25 could comprise several materials.
  • the core 26 could be of elastomeric material while the attachment conformations 29 could be of rigid plastic material, the whole being formed by coextrusion for example.
  • each half-body 11 and 12 could be manufactured in one-piece fashion by making overmolding steps for example for the formation of the elastic blade 26.
  • each suspension device 10 according to the invention could be produced by unit assembly of the various components that form it.
  • each elastic connecting blade 26 is bonded at two longitudinal edges opposite to the first half-body.
  • the elastic connecting blade 26 could be linked by an edge to the first half-body and by the edge opposite the second half-body so as to achieve a cantilever mounting.
  • the hooking formations 39 of the connecting sections 35 are formed by hooks which cooperate with grooves 19 forming the corresponding snap-fitting conformations of the fastening section.
  • other forms could be envisaged for the attachment conformations 29 of the connecting section and the attachment conformations 19 of the fastening section 15 with which they cooperate.
  • the hooking conformations 29 of the connecting blade 26 have a shape of " ⁇ " intended to cooperate with the grooves forming the fastening conformations of the fastening section 15 constituting the first half body.
  • fastening conformations 29 of the connecting strip and the attachment conformations 19 of the fastening section 15 with which they cooperate could be envisaged for fastening conformations 29 of the connecting strip and the attachment conformations 19 of the fastening section 15 with which they cooperate.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Vibration Prevention Devices (AREA)
  • Building Environments (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
EP11187589.4A 2010-11-02 2011-11-02 Vorrichtung zum Aufhängen eines Elements zur Schalldämmungsbehandlung Active EP2447432B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1058976A FR2966855B1 (fr) 2010-11-02 2010-11-02 Dispositif de suspension d'un element de traitement acoustique

Publications (2)

Publication Number Publication Date
EP2447432A1 true EP2447432A1 (de) 2012-05-02
EP2447432B1 EP2447432B1 (de) 2017-01-11

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EP (1) EP2447432B1 (de)
FR (1) FR2966855B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012110546A1 (de) * 2012-11-05 2014-05-08 Lindner Fassaden Gmbh Vorrichtung zum Befestigen von Verkleidungsplatten an einer Fassade

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106639064B (zh) * 2017-03-01 2022-09-27 广东丽音声学科技有限公司 一种隔声墙/轻钢龙骨隔墙柔性固定的连接挂钩
FR3120379B1 (fr) * 2021-03-04 2023-01-20 Sb Ingenierie "Dispositif de fixation d’un panneau vertical transversal, notamment d’un panneau de verre, sur une structure"
CN113047478B (zh) * 2021-03-25 2022-07-12 青岛比佐迪家居有限公司 弹性挂件

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2428705A (en) * 2005-07-30 2007-02-07 John Graham Bryant A clip device for location between two surfaces to reduce acoustic coupling
US20080086966A1 (en) * 2006-10-16 2008-04-17 Stevens Benjamin G Acoustic mount
WO2009019363A2 (fr) 2007-08-02 2009-02-12 Ae2S Dispositif de réduction de pollutions sonores et installation comportant ce dispositif
US20090283359A1 (en) * 2008-05-15 2009-11-19 Saint-Gobain Performance Plastics Corporation Wall and ceiling sound damping mounts and channels

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2428705A (en) * 2005-07-30 2007-02-07 John Graham Bryant A clip device for location between two surfaces to reduce acoustic coupling
US20080086966A1 (en) * 2006-10-16 2008-04-17 Stevens Benjamin G Acoustic mount
WO2009019363A2 (fr) 2007-08-02 2009-02-12 Ae2S Dispositif de réduction de pollutions sonores et installation comportant ce dispositif
US20090283359A1 (en) * 2008-05-15 2009-11-19 Saint-Gobain Performance Plastics Corporation Wall and ceiling sound damping mounts and channels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012110546A1 (de) * 2012-11-05 2014-05-08 Lindner Fassaden Gmbh Vorrichtung zum Befestigen von Verkleidungsplatten an einer Fassade

Also Published As

Publication number Publication date
FR2966855A1 (fr) 2012-05-04
FR2966855B1 (fr) 2013-09-27
EP2447432B1 (de) 2017-01-11

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