EP2647775A2 - Paroi transportable absorbante phonique - Google Patents

Paroi transportable absorbante phonique Download PDF

Info

Publication number
EP2647775A2
EP2647775A2 EP20130001355 EP13001355A EP2647775A2 EP 2647775 A2 EP2647775 A2 EP 2647775A2 EP 20130001355 EP20130001355 EP 20130001355 EP 13001355 A EP13001355 A EP 13001355A EP 2647775 A2 EP2647775 A2 EP 2647775A2
Authority
EP
European Patent Office
Prior art keywords
sound
absorber
wall according
transportable
panels
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
EP20130001355
Other languages
German (de)
English (en)
Other versions
EP2647775A3 (fr
EP2647775B1 (fr
Inventor
Oliver Schmid
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.)
Bosig GmbH
Original Assignee
Bosig GmbH
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 Bosig GmbH filed Critical Bosig GmbH
Publication of EP2647775A2 publication Critical patent/EP2647775A2/fr
Publication of EP2647775A3 publication Critical patent/EP2647775A3/fr
Application granted granted Critical
Publication of EP2647775B1 publication Critical patent/EP2647775B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B1/8227—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 screens ; Arrangements of sound-absorbing elements, e.g. baffles

Definitions

  • the invention relates to a transportable sound absorber wall according to the preamble of patent claim 1.
  • microphones When using microphones for recording sound outside of recording studios, it is often necessary to absorb as much as possible the noise or ambient or external noise incident on the microphone capsule.
  • Examples of such outdoor use of microphones are sound recordings at exhibitions, in hotel or sports halls or at outdoor events.
  • sound absorber walls are made of soft foam panels, which are provided with through holes for mounting on stand rods.
  • the problem with known sound absorber walls, however, is that the foam sheets and the uprights must be transported separately and the uprights for transport relatively bulky.
  • stand rods offer only insufficient stability and can easily be knocked over inadvertently.
  • the object of the invention is in contrast to provide a transportable sound absorber wall, which consists of individual panels that can be easily build up to a stable sound absorbing surface and easy to transport.
  • the invention provides absorber panels, each having a stable, circumferential frame, to which a sound-absorbing plate is flush mounted.
  • the absorber panels can be fastened to each other, preferably by plug-in or screw, and build up a self-supporting absorber wall.
  • the height of the absorber wall depends on the number of stacked absorber panels. Support rods or a support frame for the absorber panels are superfluous.
  • a transport case is provided at the bottom of several absorber panels are mounted parallel to each other standing. It is important that the lowermost Absorberpaneel remains firmly anchored to the bottom of the case, so that a high stability of the constructed absorber wall is ensured.
  • the transport case is preferably designed so that its lid and its side walls can be easily removed and thereby the case bottom and the absorber panels standing therein are exposed.
  • Fig. 1 is a transport case 10 with end-side transport rollers 11 and frontal handles 12 shown, the cover 13 and side parts 14, 15 are removable.
  • the lid 13 and the side parts 14, 15 are removable.
  • the lid 13 and the side parts 14, 15 as a continuous hood from the bottom 16 ( Fig. 2 ) of the transport case 10.
  • the transport case 10 are as Fig. 2 shows four individual Absorberpaneele 20, 21, 22 and 23 with preferably the same dimensions, which are parallel to each other on the stable floor 16 ( FIGS. 2 to 4 ) of the transport case 10 are releasably secured and stored.
  • the bottom 16 of the transport case 10 in the illustrated example two parallel strips 17, which extend in the vicinity of the side edges of the bottom 16.
  • Each of the absorber panels 20, 21, 22 and 23 consists of a stable, circumferential support frame 30, to which a sound-absorbing plate 40 is flush mounted, for example glued.
  • Each flexible foam sheet 40 has the same height as the associated support frame 30 and engages with its lateral flanks 41 the vertical portions 30a of each support frame 30 such that the vertical portions 30a of each support frame 30 are forward and sideward from the associated sound absorbing panel 40 are covered.
  • the surface of each sound absorbing plate 40 is profiled, for example with a vertical sawtooth profile 42, to improve the sound absorption characteristics of the plate 40.
  • the material for the plate 40 is preferably a flexible foam into consideration, for example, from open-cell polyurethane foam.
  • the flexible foam is preferably flame-retardant and has, for example, a bulk density in the range between 6 and 35 kg / qm.
  • a sound-absorbing plastic for the plate 40 may further be provided a melamine resin foam, which is available on the market under the trademark protected name "Basotect" BASF.
  • Melamine resin is a very light and therefore good sound insulating net plastic product, which absorbs airborne sound well.
  • polyurethane or melamine resin foam instead of polyurethane or melamine resin foam, however, other lightweight, cellular foam plastics or fibrous materials can be used which absorb airborne sound.
  • Another possibility for sound absorption consists in the coating of the plate 40 with a sound-permeable material, such as a color layer or a fabric cover.
  • the Absorberpaneele 20, 21, 22 and 23 can be stacked on top of each other, as in the Figures 3 and 4 is shown.
  • For mutual attachment of the stacked absorber panels 20, 21, 22, 23 are for example bolts 50 (Figure 5), which are inserted into aligned holes 31 in the lower and upper horizontal portions 30b of the support frame 30 and a positive connection of superimposed horizontal sections 30b form.
  • As a bolt 50 and studs can also bolt are provided when the holes 171 and 31 are formed as through holes.
  • brackets or locking devices or the like into consideration.
  • the strips 17 are provided, for example along its central axis with a series of holes 171 (Fig. 5) for receiving fastening bolts 50.
  • the holes 31 are aligned with holes 171 of the strips 17, so that in the holes 31, 171 positively inserted fastening bolts 50, the lower horizontal portion 30b of the support frame 22 and thus the absorber panel 22nd at the bottom 16 of the transport case 10 and hold.
  • the fourth absorber panel 23 is fixed on the third absorber panel 22, while the second and the first absorber panels 21 and 20 have still retained the stand on the floor 16 of the transport case 10.
  • all four absorber panels 20, 21, 22, and 23 are stacked one upon the other and fixed to each other at their horizontal frame portions 30b by means of the bolts 50.
  • the second absorber panel 21 is fixed on the stacked first absorber panel 20 by metal bolts 50.
  • the absorber wall 60 formed from the stacked absorber panels 20, 21, 22 and 23 is self-supporting and does not require support rods or a scaffold.
  • the stack of the absorber panels 20, 22, 23 and 20 forms with the front of the flush abutting plates 40 a smooth absorber surface, wherein the profiles 42 of the plates 40 are aligned with each other in the vertical direction.
  • the choice of a central absorber panel, here 22, as the lowest element of the stacked absorber wall 60 causes between the foot of this middle Absorberpaneels and the two longitudinal edges of the bottom 16 of the transport case 10 sufficiently large footprints for the stack of absorber panels are present, which tilting the Absorber wall 60 prevent even in the last stage.
  • the components of the absorber wall 60 according to the invention can be easily in the hold of a passenger car transport. Equally effortlessly, the absorber panels 20, 21, 22, 23 can then be lifted off the floor 16 of the transport case 10 and built up on the absorber wall 60 without external help and in the shortest possible time. Due to the formation of the absorber panels 20, 21, 22, 23 of light plates 40 and a rotating support frame 30, for example, wood or aluminum profiles, the total weight of Absorberpaneele 20, 21, 22 and 23 is very low, which is the transport and construction of the Absorber wall 60 greatly facilitated.
  • the closed absorber surface of the stacked absorber panels 20, 21, 22, 23 allows a significant reduction in the reverberation time in rooms in which a permanently installed sound absorber system is not available or can not be used

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)
EP13001355.0A 2012-04-03 2013-03-18 Paroi transportable absorbante phonique Active EP2647775B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012003451U DE202012003451U1 (de) 2012-04-03 2012-04-03 Transportable Schallabsorberwand

Publications (3)

Publication Number Publication Date
EP2647775A2 true EP2647775A2 (fr) 2013-10-09
EP2647775A3 EP2647775A3 (fr) 2014-03-19
EP2647775B1 EP2647775B1 (fr) 2015-09-16

Family

ID=46509482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001355.0A Active EP2647775B1 (fr) 2012-04-03 2013-03-18 Paroi transportable absorbante phonique

Country Status (2)

Country Link
EP (1) EP2647775B1 (fr)
DE (1) DE202012003451U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104612268B (zh) * 2015-01-22 2017-01-18 杭州绿隆环保科技有限公司 基于风速变化的可升降式隔声屏障

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516123A1 (fr) * 1981-11-06 1983-05-13 Miguet Ets Marcel Ecran mobile pour le traitement de l'acoustique interne des batiments
CH647684A5 (de) * 1982-02-09 1985-02-15 Eberhard M Buehnenbau Weesen Mobiles, freistehendes wandelement.
US6085861A (en) * 1998-10-08 2000-07-11 Wenger Corporation Collapsible portable acoustic tower
US7063184B1 (en) * 2002-06-12 2006-06-20 Lahnie Johnson Sound reducing panel
GB2461909A (en) * 2008-07-17 2010-01-20 South Bank Univ Entpr Ltd Sound absorbing device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number Publication date
DE202012003451U1 (de) 2012-05-15
EP2647775A3 (fr) 2014-03-19
EP2647775B1 (fr) 2015-09-16

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