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EP1630311B1 - Dispositif d'absorption acoustique, en particulier pour le montage sur un plafond ou mur - Google Patents

Dispositif d'absorption acoustique, en particulier pour le montage sur un plafond ou mur Download PDF

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Publication number
EP1630311B1
EP1630311B1 EP05018336A EP05018336A EP1630311B1 EP 1630311 B1 EP1630311 B1 EP 1630311B1 EP 05018336 A EP05018336 A EP 05018336A EP 05018336 A EP05018336 A EP 05018336A EP 1630311 B1 EP1630311 B1 EP 1630311B1
Authority
EP
European Patent Office
Prior art keywords
frame
sound
absorbing means
frame part
absorbing
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.)
Expired - Lifetime
Application number
EP05018336A
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German (de)
English (en)
Other versions
EP1630311A2 (fr
EP1630311A3 (fr
Inventor
Sabine Keggenhoff
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.)
Individual
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
Priority claimed from DE202004013360U external-priority patent/DE202004013360U1/de
Application filed by Individual filed Critical Individual
Publication of EP1630311A2 publication Critical patent/EP1630311A2/fr
Publication of EP1630311A3 publication Critical patent/EP1630311A3/fr
Application granted granted Critical
Publication of EP1630311B1 publication Critical patent/EP1630311B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04B1/8409—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
    • 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
    • E04B1/99—Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound
    • 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
    • E04B2001/8452—Tray or frame type panels or blocks, with or without acoustical filling with peripheral frame members

Definitions

  • the invention relates to a sound-absorbing device, in particular for mounting on a ceiling or wall.
  • Such a sound-absorbing device is for example from the document DE 198 39 973 A1 known.
  • the document describes a sound absorbing device comprising a sound absorbing means coated with a fabric.
  • the device thus produced can then be fixed to a ceiling.
  • a variety of such devices then causes the sound absorption in the room.
  • the sound-absorbing means provided in the sound-absorbing device is tuned to specific frequency ranges or a certain frequency range. Sound with frequencies from these frequency ranges is absorbed by the sound absorbing device. This allows you to achieve a high speech intelligibility in the room with an optimal balance of the reverberation time course.
  • a disadvantage of the device described in the document is that a subsequent adaptation of the sound-absorbing devices mounted in the room is not or only with great difficulty possible.
  • a subsequent change may be desired for various reasons. For example, a subsequent change may be desired if the acoustic behavior of the room changes as a result of the introduction of furniture, carpets, curtains or the like. By introducing such things into the room, it may be necessary to dampen certain frequencies more than in a room in the original state (inventory / actual situation). In addition, it may be necessary to adjust the acoustic behavior according to the use of the room. If the use of the room changes, it can be necessary to adapt the acoustic behavior to the changed use.
  • the sound-absorbing devices In order to obtain subsequent changes in the acoustic behavior of a room equipped with the sound-absorbing devices known from the prior art, the sound-absorbing devices must be completely replaced. This is complicated and expensive, since the sound-absorbing devices are usually disposed of after their dismantling.
  • the document CA 2 226 601 A1 discloses a sound absorbing device having the features of the preamble of claim 1.
  • the invention has for its object to provide sound-absorbing devices that can be flexibly adapted to the desired acoustic behavior of a room.
  • a sound-absorbing device which is particularly suitable for mounting on a ceiling or wall, has a first frame, a second frame, at least a first sound-absorbing means and a covering.
  • the first sound absorbing means is detachably connected to the first frame and thereby exchangeable.
  • the second frame is covered with the fabric.
  • the second frame with the cover is slipped over the first frame with the first sound-absorbing means in the manner of a hood and releasably connected to the first frame.
  • the thus formed sound-absorbing device can be changed in their frequency response by simple means.
  • the second frame with the covering is released from the first frame, then the first sound-absorbing means separated from the first frame and against another Sound-absorbing agent with a different frequency response replaced. Subsequently, the second frame with the covering is slipped over the first frame with the first sound-absorbing means again. During the replacement of the sound absorbing means, the first frame remains at least partially fixed to the ceiling or the wall.
  • the first frame is designed in two parts.
  • the two-part frame may then comprise a first frame part which can be mounted on the ceiling or the wall or the like and which remains mounted on the ceiling when replacing the sound-absorbing means.
  • This first frame part may have a clear cross-sectional area which is equal to or greater than the cross-sectional area of the first sound-absorbing means. Then it is possible for the first sound-absorbing means to be enclosed by the first frame part.
  • the first frame can also comprise a second frame part in addition to the first frame part.
  • This second frame part may be attached to the first frame part of the first frame.
  • the second frame part advantageously has a clear cross-sectional area which is smaller than the cross-sectional area of the first sound-absorbing means, at least in one section, in particular so that the first sound-absorbing means can be held by means of the second frame part.
  • the clear cross-sectional area may be equal to or greater than the cross-sectional area of the first sound-absorbing means.
  • the second frame part may be suitable for fastening the first sound-absorbing means.
  • the first sound absorbing means may, for example, be between the second Frame part and the ceiling, the wall or the like may be clamped after assembly.
  • a device according to the invention may further comprise a third frame.
  • This third frame may be releasably attached to the first frame.
  • the device according to the invention may comprise a second sound-absorbing means.
  • This can be fixed in the device by means of the third frame.
  • the third frame can have, at least in one section, a clear cross-sectional area which is smaller than the cross-sectional area of the sound-absorbing means. At least with sections, the third frame may enclose the second sound absorbing means.
  • the second sound absorbing means may be advantageously clamped between the third frame and the first sound absorbing means after assembly.
  • a distance may remain between the first or, if appropriate, the second sound-absorbing means and the covering drawn over the second frame, which spacing may be particularly advantageous for the acoustic behavior of the sound-absorbing device.
  • the device comprises a first frame 9, 13.
  • the first frame is designed in two parts and has a first frame part 9 and a second frame part 13.
  • the first frame part 9 is fragmentary in different views in the Fig. 6a to 6c shown as a single part.
  • the second frame part is in different views partly in the Fig. 7a to 7c shown.
  • Both frame parts 9, 13 are made of a profile, preferably an extruded profile, in which sections of the profile are sawn miter and thus at right angles juxtaposed give an overall rectangular frame. In principle, all forms are possible (different from the illustrated embodiment) (rectangular, angular, round, freeform etc.)
  • the four sections of each frame part 9, 13 are screwed together with angles 9a and 13a and screws 9b and 13b.
  • the first frame part 9 of the first frame 9, 13 is screwed to the ceiling 1 with screws 5.
  • This first frame part 9 has a clear cross-sectional area which is slightly larger than the cross-sectional area of a first sound-absorbing means 17. As a result, a distance remains between the sound-absorbing means 17, which is substantially cuboid-shaped, and the first frame part 9.
  • a Compri band 10 is inserted between the first frame part 9 and the ceiling 1, which creates the airtight assembly between 9 and 1.
  • the sound-absorbing means 17 can basically be configured as desired.
  • First sound-absorbing means may comprise an acoustically effective filling, for example of mineral wool, preferably airtight packed in PE film. This acoustically effective filling can rest on a sheet metal insert, the strength of which can be determined according to acoustic requirements. Acoustic filling and sheet metal can form a plate resonator.
  • the second frame part 13 has a clear cross-sectional area that is smaller than the cross-sectional area of the first sound-absorbing means 17. With a portion, the second frame part 13 is further configured to surround the first sound-absorbing means 17 with this section. With a projecting portion 14, the second frame part 13 hangs on the first frame part 9. About screws 12 and with the interposition of a presentation tape 11 with a thickness of 3 mm, the first frame part 9 and the second frame part 13 are screwed together.
  • the second frame part engages behind with the interposition of a first Butylbandes 15 and a second Butylbandes 16, the first sound-absorbing means 17 and presses this against the ceiling 1, so that the first sound-absorbing means 17 between the ceiling 1 and the second frame part 13 of the first frame 9, 13 is clamped.
  • a device has, in addition to the first frame 9, 10, a second frame 2. Also this second frame is like in the Fig. 8a to 8c shown manufactured from profile sections which are mitred and are screwed together with the aid of angles 2a and screws 2b to form a rectangular frame.
  • the frame has recesses 6, 7, which serve to fasten a fabric 4, 4a, 4b.
  • the second frame 2 has a projecting portion 8. This projecting portion 8 is provided with holes, or with recesses, via which the second frame 2 is attached to the outside of the first frame part 9 of the first frame 9, 13.
  • the second frame 2 is mounted on the screws 3a, which are screwed to the first frame part 9 of the first frame 9, 13, mounted. By means of the screws 3b, the position of the second frame 2 is fixed to the first frame part 9. This allows at any time easy assembly and disassembly of the second frame. 2
  • the edges of the covering parts 4a, 4b are clamped in the recesses 6 and 7 respectively.
  • the first of the covering parts, the covering part 4a is otherwise designed as an elongate material web, which is beaten once around the circumference of the second frame 2 and is clamped both in the recess 6 and in the recess 7 and in the region of Corner of the second frame 2 is sewn.
  • the second covering part 4b has a substantially square or rectangular construction and is clamped by the edges in the recess 7 of the second frame 2.
  • the aforementioned features have all three embodiments according to the Fig. 3 to 5 on.
  • the embodiment according to the Fig. 4 differs only in that only a Butylband 15 is provided to decouple the sound absorbing means 17 of the second frame part 13 of the first frame 9, 13.
  • the second Butylband 16 which in the embodiment according to the Fig. 3 is provided, omitted in the embodiment according to Fig. 4 .
  • Another difference between the embodiment according to Fig. 3 and the embodiment according to Fig. 4 is that the sound absorbing means 17 in the embodiment according to Fig. 3 is designed so that medium and high frequencies are absorbed.
  • the sound absorbing means 17 in the embodiment according to the Fig. 4 configured to absorb low and high frequencies in particular.
  • the embodiment according to the Fig. 5 corresponds to the embodiment according to the already written features Fig. 4 , however, there are additional features added.
  • the embodiment according to Fig. 5 namely a third frame 16.
  • This third frame is made of frame sections which have the same profile as the second frame part 13 which is in the Fig. 7a to 7c is shown in more detail and is already described above with reference to these figures.
  • the clear cross-sectional area of the third frame is smaller than the second frame part 13 of the first frame 9, 13.
  • the third frame 16 is screwed to the second frame part 13 of the first frame 9, 13.
  • the embodiment according to the Fig. 5 has a second sound absorbing means 21 in addition to the first sound absorbing means 17. This is also substantially cuboid-shaped, but has a smaller cross-sectional area than the first sound-absorbing means. Also, the height of the second sound absorbing means 21 is less than the height of the first sound absorbing means 17. The cross sectional area of the second sound absorbing means 21 is set so that the second sound absorbing means 21 is surrounded by the third frame 16 and interposed with butyl tape 19, 20 is decoupled from the third frame 16.
  • the second frame 2 with the fabric 4, 4a, 4b forms a kind of hood, with which the remaining parts of the devices according to the invention are covered. It remains between the first sound-absorbing means 17 and the second sound-absorbing means 21 (in the case of the embodiment according to FIG Fig. 5 ), a free space that promotes the sound absorption of the sound absorbing means 17 and the second sound absorbing means 21.

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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)

Claims (14)

  1. Dispositif d'absorption acoustique, en particulier pour le montage sur un plafond (1) ou un mur, comprenant les caractéristiques suivantes :
    - le dispositif a un premier cadre (9, 13), un deuxième cadre (2), au moins un premier moyen d'absorption acoustique (17) et un habillage (4, 4a, 4b) ;
    - le deuxième cadre (2) est tendu avec l'habillage (4, 4a, 4b) et est connecté de manière détachable au premier cadre (9, 13), caractérisé en ce que le premier moyen d'absorption acoustique (17) est connecté de manière détachable au premier cadre (9, 13) et en ce que
    - le deuxième cadre (2) est retourné avec l'habillage (4, 4a, 4b) à la manière d'un capot par-dessus le premier cadre (9, 13) avec le premier moyen d'absorption acoustique (17).
  2. Dispositif selon la revendication 1, caractérisé en ce que le premier cadre (9, 13) est réalisé en deux parties.
  3. Dispositif selon la revendication 2, caractérisé en ce qu'une première partie de cadre (9) du premier cadre (9, 13) peut être montée sur le plafond (1), le mur ou similaire.
  4. Dispositif selon la revendication 3, caractérisé en ce que la première partie de cadre (9) a une surface en section transversale intérieure qui est aussi grande ou plus grande que la surface en section transversale du premier moyen d'absorption acoustique (17).
  5. Dispositif selon la revendication 4, caractérisé en ce que le premier moyen d'absorption acoustique (17) est encadré par la première partie de cadre (9).
  6. Dispositif selon l'une quelconque des revendications 2 à 5, caractérisé en ce qu'une deuxième partie de cadre (13) du premier cadre (9, 13) est montée sur la première partie de cadre (9).
  7. Dispositif selon l'une quelconque des revendications 2 à 6, caractérisé en ce que la deuxième partie de cadre (13) présente une surface en section transversale intérieure qui est plus petite que la surface en section transversale du premier moyen d'absorption acoustique (17).
  8. Dispositif selon la revendication 6 ou 7, caractérisé en ce que le premier moyen d'absorption acoustique (17) peut être serré entre la deuxième partie de cadre (13) et le plafond (1), le mur ou similaire.
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le dispositif présente un troisième cadre (16).
  10. Dispositif selon la revendication 9, caractérisé en ce que le troisième cadre (16) est monté de manière détachable sur le premier cadre (9, 13).
  11. Dispositif selon la revendication 9 ou 10, caractérisé en ce que le dispositif présente un deuxième moyen d'absorption acoustique (21).
  12. Dispositif selon la revendication 11, caractérisé en ce que le troisième cadre présente une surface en section transversale intérieure qui est plus petite que la surface en section transversale du deuxième moyen d'absorption acoustique (21).
  13. Dispositif selon la revendication 11 ou 12, caractérisé en ce qu'au moins certaines portions du troisième cadre (16) encadrent le deuxième moyen d'absorption acoustique.
  14. Dispositif selon l'une quelconque des revendications 11 à 13, caractérisé en ce que le deuxième moyen d'absorption acoustique (21) peut être serré entre le troisième cadre (16) et le premier moyen d'absorption acoustique (17).
EP05018336A 2004-08-25 2005-08-24 Dispositif d'absorption acoustique, en particulier pour le montage sur un plafond ou mur Expired - Lifetime EP1630311B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202004013360U DE202004013360U1 (de) 2004-08-24 2004-08-25 Schallabsorbierende Vorrichtung, insbesondere zur Montage an einer Decke oder Wand

Publications (3)

Publication Number Publication Date
EP1630311A2 EP1630311A2 (fr) 2006-03-01
EP1630311A3 EP1630311A3 (fr) 2007-06-27
EP1630311B1 true EP1630311B1 (fr) 2011-08-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05018336A Expired - Lifetime EP1630311B1 (fr) 2004-08-25 2005-08-24 Dispositif d'absorption acoustique, en particulier pour le montage sur un plafond ou mur

Country Status (2)

Country Link
EP (1) EP1630311B1 (fr)
AT (1) ATE519897T1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2314783A1 (fr) * 2009-10-21 2011-04-27 Thorsten Flörsheimer Absorbeur de bruits ambiants
DK2725161T3 (en) 2012-10-24 2016-01-11 Saint Gobain Ecophon Ab Sound-absorbing module and a suspended ceiling comprising this.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2226601A1 (fr) * 1998-03-17 1999-09-17 Macdonald Gillis Panneau de separation acoustique recouvert d'un tissu prefabrique
DE19839973A1 (de) 1998-09-02 2000-03-23 Fraunhofer Ges Forschung Plattenförmiges Bauelement

Also Published As

Publication number Publication date
ATE519897T1 (de) 2011-08-15
EP1630311A2 (fr) 2006-03-01
EP1630311A3 (fr) 2007-06-27

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