EP2647775A2 - Transportable sound absorbing wall - Google Patents

Transportable sound absorbing wall Download PDF

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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
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EP
European Patent Office
Prior art keywords
sound
absorber
wall according
transportable
panels
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Granted
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EP20130001355
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German (de)
French (fr)
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EP2647775A3 (en
EP2647775B1 (en
Inventor
Oliver Schmid
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Bosig GmbH
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Bosig GmbH
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Publication of EP2647775A3 publication Critical patent/EP2647775A3/en
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    • 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

Abstract

The wall has individual absorber panels (20-23) stacked on one another and comprising stable circular support frames (30), where sound-absorbing plates (40) are flush-mounted at the support frames. Horizontal frame portions (30b) of the support frames of the stacked panels are mechanically connected with each other to form a self-supporting stack. The horizontal frame portions comprise holes for retaining bolts such that the holes of the stacked panels are aligned with each other in a perpendicular direction. The panels are coated with a sound-absorbing non-woven fabric or a color layer.

Description

Die Erfindung bezieht sich auf eine transportable Schallabsorberwand gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a transportable sound absorber wall according to the preamble of patent claim 1.

Beim Einsatz von Mikrophonen für Tonaufnahmen außerhalb von Tonstudios ist es häufig erforderlich, die auf die Mikrofonkapsel einfallenden Störgeräusche oder Umgebungs- bzw. Außengeräusche möglichst gut zu absorbieren. Beispiele solcher Außeneinsätze von Mikrophonen sind Tonaufnahmen auf Ausstellungen, in Hotel- oder Sporthallen oder bei Freiluftveranstaltungen. Für diesen Zweck eignen sich Schallabsorberwände aus Weichschaumstoffplatten, welche mit Durchgangslöchern zum Aufstecken auf Ständerstangen versehen sind. Das Problem besteht bei bekannten Schallabsorberwänden jedoch darin, dass die Schaumstoffplatten und die Ständerstangen getrennt voneinander transportiert werden müssen und die Ständerstangen für den Transport relativ sperrig sind. Zudem bieten Ständerstangen nur eine unzureichende Standfestigkeit und können bei Unachtsamkeit leicht umgestoßen werden.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. For this purpose, 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. In addition, stand rods offer only insufficient stability and can easily be knocked over inadvertently.

Die Aufgabe der Erfindung besteht demgegenüber darin, eine transportable Schallabsorberwand zu schaffen, welche aus Einzelpaneelen besteht, die sich mühelos zu einer standsicheren Schallabsorberfläche aufbauen und leicht transportieren lassen.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.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Patentanspruch 1 gelöst.This object is achieved by the characterizing features of claim 1.

Vorteilhafte Ausgestaltungen und Weiterbildungen der Schallabsorberwand nach der Erfindung ergeben sich aus den Unteransprüchen.Advantageous embodiments and further developments of the sound absorber wall according to the invention will become apparent from the dependent claims.

Die Erfindung sieht Absorberpaneele vor, welche jeweils eine stabilen, umlaufenden Rahmen aufweisen, an welchem eine schallabsorbierende Platte bündig befestigt ist. An ihren horizontalen Rahmenteilen lassen sich die Absorberpaneele aufeinander befestigen, vorzugsweise durch Steck-oder Schraubverbindungen, und zu einer selbsttragenden Absorberwand aufbauen. Die Höhe der Absorberwand hängt von der Anzahl der aufeinander gestapelten Absorberpaneele ab. Stützstangen oder ein Stützgerüst für die Absorberpaneele sind überflüssig. Für den Transport der Absorberpaneele ist ein Transportkoffer vorgesehen, an dessen Boden mehrere Absorberpaneele parallel zueinander stehend gelagert sind. Wichtig ist, dass das unterste Absorberpaneel stabil an dem Kofferboden verankert bleibt, so dass eine hohe Standsicherheit der aufgebauten Absorberwand gewährleistet ist. Der Transportkoffer ist vorzugsweise so konstruiert, dass sich sein Deckel und seine Seitenwände leicht entfernen lassen und dadurch der Kofferboden und die darin stehenden Absorberpaneele freigelegt werden.The invention provides absorber panels, each having a stable, circumferential frame, to which a sound-absorbing plate is flush mounted. On their horizontal frame parts, 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. For the transport of Absorberpaneele 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.

Die Erfindung wird mit ihren weiteren Einzelheiten und Vorteilen an Hand der Zeichnungen näher erläutert. Es zeigt

Fig. 1
einen perspektivische Ansicht eines Transportkoffers für einzelne Absorberpaneele, aus denen eine selbststragende Absorberwand nach der Erfindung zusammengesetzt werden kann,
Fig. 2
eine perspektivische Ansicht von vier einzelnen Absorberpaneelen, welche parallel zueinander stehend an dem Boden des Transportkoffers nach Fig. 1 gelagert sind und jeweils einem stabilen, umlaufenden Rahmen aufweisen, an welchem eine schallabsorbierende Platte bündig befestigt ist;
Fig. 3
eine perspektivische Ansicht der Absorberpaneele nach Fig. 2, von deren ein Absorberpaneel mit seinem unteren horizontalen Rahmenabschnitt auf dem oberen horizontalen Rahmenabschnitt eines am Boden des Transportkoffers befestigten Absorberpaneels befestigt ist;
Fig. 4
eine perspektivische Ansicht der zu einer Absorberwand aufgebauten vier Absorberpaneele nach Fig. 2, und
Fig. 5
einen Vertikalschnitt durch die gegenseitige Verbindung der horizontalen Rahmenabschnitte der Absorberpaneele sowie der Verbindung der horizontalen Rahmenabschnitte am Bodenleisten des Transportkoffers nach Fig. 1.
The invention will be explained in more detail with its further details and advantages with reference to the drawings. It shows
Fig. 1
a perspective view of a transport case for individual absorber panels, from which a self-supporting absorber wall can be assembled according to the invention,
Fig. 2
a perspective view of four individual Absorberpaneelen which parallel to each other at the bottom of the transport case after Fig. 1 are mounted and each having a stable, circumferential frame to which a sound-absorbing plate is flush mounted;
Fig. 3
a perspective view of the absorber panels after Fig. 2 of which an absorber panel is fixed with its lower horizontal frame portion on the upper horizontal frame portion of an absorber panel fixed to the bottom of the carrying case;
Fig. 4
a perspective view of the built up to an absorber wall four absorber panels after Fig. 2 , and
Fig. 5
a vertical section through the mutual connection of the horizontal frame sections of the absorber panels and the connection of the horizontal frame sections on the bottom rails of the transport case after Fig. 1 ,

In Fig. 1 ist ein Transportkoffer 10 mit endseitigen Transportrollen 11 und stirnseitigen Handgriffen 12 dargestellt, dessen Deckel 13 und Seitenteile 14, 15 abnehmbar sind. Vorzugsweise lassen sich der Deckel 13 und die Seitenteile 14, 15 als zusammenhängende Haube vom Boden 16 (Fig. 2) des Transportkoffers 10 abheben. In dem Transportkoffer 10 befinden sich, wie Fig. 2 zeigt, vier einzelne Absorberpaneele 20, 21, 22 und 23 mit vorzugsweise gleichen Abmessungen, welche parallel zueinander stehend an dem stabilen Boden 16 (Figuren 2 bis 4) des Transportkoffers 10 lösbar befestigt und gelagert sind. Hierzu weist der Boden 16 des Transportkoffers 10 im dargestellten Beispielsfall zwei parallele Leisten 17 auf, welche sich in der Nähe der Seitenkanten des Bodens 16 erstrecken. Jedes der Absorberpaneele 20, 21, 22 und 23 besteht aus einem stabilen, umlaufenden Tragrahmen 30, an welchem eine schallabsorbierende Platte 40 bündig befestigt, beispielsweise angeklebt ist. Jede Weichschaumstoffplatte 40 weist die gleiche Höhe wie der zugehörige Tragrahmen 30 auf und umgreift mit ihren seitlichen Flanken 41 die vertikalen Abschnitte 30a jedes Tragrahmens 30, derart, dass die vertikalen Abschnitte 30a jedes Tragrahmens 30 von der zugehörigen schallabsorbierenden Platte 40 nach vorne und zur Seite hin abgedeckt sind. An ihrer Vorderseite ist die Oberfläche jeder schallabsorbierende Platte 40 profiliert, beispielsweise mit einem vertikal verlaufenden Sägezahnprofil 42, um die Schallabsorptionseigenschaften der Platte 40 zu verbessern. Als Material für die Platte 40 kommt vorzugsweise ein Weichschaumstoff in Betracht, beispielsweise aus offenporigem Polyurethanschaum. Der Weichschaumstoff ist vorzugsweise flammhemmend und weist beispielsweise eine Rohdichte im Bereich zwischen 6 und 35 kg/qm aufweist. Als schallabsorbierender Kunststoff für die Platte 40 kann ferner ein Melaminharzschaum vorgesehen werden, welcher am Markt unter der als Marke geschützten Bezeichnung "Basotect" der Firma BASF erhältlich ist. Melaminharz ist ein sehr leichtes und deshalb gut schalldämmendes Netzkunststoffprodukt, welches Luftschall gut absorbiert. Anstelle von Polyurethan- oder Melaminharzschaum können indessen auch andere leichte, porige Schaumkunststoffe oder faserige Materialien verwendet werden, welche Luftschall absorbieren. Eine weitere Möglichkeit für die Schallabsorption besteht in der Beschichtung der Platte 40 mit einem schalldurchlässigen Material, beispielsweise einer Farbschicht oder einem Stoffbezug.In 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. Preferably, the lid 13 and the side parts 14, 15 as a continuous hood from the bottom 16 ( Fig. 2 ) of the transport case 10. In 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. For this purpose, 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. At its front surface, 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. As 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. As 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. 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.

Die Absorberpaneele 20, 21, 22 und 23 lassen sich übereinander stapeln, wie in den Figuren 3 und 4 gezeigt ist. Zur gegenseitigen Befestigung der übereinander gestapelten Absorberpaneele 20, 21, 22, 23 dienen beispielsweise Bolzen 50 (Figur 5), die in fluchtende Bohrungen 31 in den unteren und oberen horizontalen Abschnitten 30b der Tragrahmen 30 eingeführt werden und eine formschlüssige Verbindung von übereinander liegenden horizontalen Abschnitten 30b bilden. Als Bolzen 50 können neben Steckstiften auch Schraubbolzen vorgesehen werden, wenn die Bohrungen 171 und 31 als Durchgangsbohrungen ausgebildet werden. Ferner kommen für die gegenseitige Befestigung der übereinander gestapelten Absorberpaneele 20, 21, 22, 23 Klammern oder Rastvorrichtungen oder dergleichen in Betracht.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. Furthermore, for the mutual attachment of the stacked absorber panels 20, 21, 22, 23 brackets or locking devices or the like into consideration.

Zur Befestigung der Absorberpaneele 20, 21, 22, 23 am Boden 16 des Transportkoffers 10 sind die Leisten 17 beispielsweise längs ihrer Mittelachse mit einer Reihe von Bohrungen 171 (Fig. 5) zur Aufnahme von Befestigungsbolzen 50 versehen. Bei dem unteren horizontalen Abschnitt 30b des Tragrahmens 22 des Absorberpaneels 22 fluchten beispielsweise dessen Bohrungen 31 mit Bohrungen 171 der Leisten 17, so dass die in die Bohrungen 31, 171 formschlüssig eingesetzten Befestigungsbolzen 50 den unteren horizontalen Abschnitt 30b des Tragrahmens 22 und damit das Absorberpaneel 22 am Boden 16 des Transportkoffers 10 fixieren und haltern.For attachment of the absorber panels 20, 21, 22, 23 at the bottom 16 of the transport case 10, the strips 17 are provided, for example along its central axis with a series of holes 171 (Fig. 5) for receiving fastening bolts 50. In the lower horizontal portion 30b of the support frame 22 of the absorber panel 22, for example, 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.

Bei der Darstellung in Fig. 3 ist das vierte Absorberpaneel 23 auf dem dritten Absorberpaneel 22 befestigt, während das zweite und das erste Absorberpaneel 21 und 20 noch den Standplatz auf dem Boden 16 des Transportkoffers 10 behalten hat. Bei der Darstellung nach Fig. 4 sind alle vier Absorberpaneele 20, 21, 22 und 23 übereinander gestapelt und gegenseitig an ihren horizontalen Rahmenabschnitten 30b mittels der Bolzen 50 befestigt. Bei diesem Endausbau des Stapels aus Absorberpaneelen ist das zweite Absorberpaneel 21 auf dem gestapelten ersten Absorberpaneel 20 mittels Metallbolzen 50 befestigt.When displayed in Fig. 3 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. In the presentation after Fig. 4 For example, 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. In this end construction of the stack of absorber panels, the second absorber panel 21 is fixed on the stacked first absorber panel 20 by metal bolts 50.

Wesentlich ist, dass die aus den gestapelten Absorberpaneelen 20, 21, 22 und 23 gebildete Absorberwand 60 selbsttragend ist und ohne Stützstangen oder ein Stützgerüst auskommt.It is essential that 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.

Der Stapel aus den Absorberpaneelen 20, 22, 23 und 20 bildet mit der Vorderseite der bündig aneinander stoßenden Platten 40 eine glatte Absorberfläche, wobei die Profile 42 der Platten 40 miteinander in vertikaler Richtung fluchten. Die Wahl eines mittleren Absorberpaneels, hier 22, als unterstes Element der gestapelten Absorberwand 60 bewirkt, dass zwischen dem Fuß dieses mittleren Absorberpaneels und den beiden Längskanten des Bodens 16 des Transportkoffers 10 ausreichend große Standflächen für den Stapel aus Absorberpaneelen vorhanden sind, welche das Kippen der Absorberwand 60 selbst in der letzten Ausbaustufe verhindern.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.

Durch die Unterbringung aller Absorberpaneele 20, 22, 23 und 20 in dem Transportkoffer 10 lassen sich die Bestandteile der erfindungsgemäßen Absorberwand 60 problemlos in dem Laderaum eines Personenkraftfahrzeuges transportieren. Ebenso mühelos lassen sich dann die Absorberpaneele 20, 21, 22, 23 vom Boden 16 des Transportkoffers 10 abheben und ohne fremde Hilfe und in kürzester Zeit übereinander zu der Absorberwand 60 aufbauen. Durch die Ausbildung der Absorberpaneele 20, 21, 22, 23 aus leichten Platten 40 und einem umlaufenden Tragrahmen 30 aus beispielsweise Holz oder Aluminium-Profilen ist das Gesamtgewicht der Absorberpaneele 20, 21, 22 und 23 sehr gering, was den Transport und den Aufbau der Absorberwand 60 außerordentlich erleichtert. Die geschlossene Absorberfläche der übereinander gestapelten Absorberpaneele 20, 21, 22, 23 ermöglicht eine wesentliche Verringerung der Nachhallzeit in Räumen, in denen ein fest installiertes Schallabsorbersystem nicht vorhanden oder nicht einsetzbar istBy accommodating all absorber panels 20, 22, 23 and 20 in the transport case 10, 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

Claims (18)

Transportable Schallabsorberwand, bestehend aus einzelnen Absorberpaneelen, dadurch gekennzeichnet, dass jedes der Absorberpaneele (20, 21, 22, 23) einen stabilen, umlaufenden Tragrahmen (30) aufweist, an welchem eine schallabsorbierende Platte (40) bündig befestigt ist, und dass die horizontalen Rahmenabschnitte (30b) der Tragrahmen (30) von aufeinander gestapelten Absorberpaneelen (20, 21, 22, 23) mechanisch zu einem selbsttragenden Stapel verbindbar sind.Transportable Schallabsorberwand, consisting of individual absorber panels, characterized in that each of the Absorberpaneele (20, 21, 22, 23) has a stable, circumferential support frame (30) to which a sound-absorbing plate (40) is flush mounted, and that the horizontal Frame sections (30b) of the support frame (30) of stacked absorber panels (20, 21, 22, 23) are mechanically connectable to a self-supporting stack. Transportable Schallabsorberwand nach Anspruch 1, dadurch gekennzeichnet, dass ein Stapel aus Absorberpaneelen (20, 22, 23 und 20) mit der Vorderseite der bündig aneinander stoßenden schallabsorbierenden Platten (40) eine glatte Absorberfläche bildet.Transportable sound absorber wall according to claim 1, characterized in that a stack of absorber panels (20, 22, 23 and 20) forms a smooth absorber surface with the front side of the flush abutting sound absorbing plates (40). Transportable Schallabsorberwand nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass jeder horizontale Rahmenabschnitt (30b) der Tragrahmen (30) Bohrungen (31) zur Aufnahme von Bolzen (50) aufweist, dass die Bohrungen (31) von übereinander gestapelten Absorberpaneelen in senkrechter Richtung miteinander fluchten, und dass ein Stapel aus Absorberpaneelen (20, 22, 23 und 20) durch die in die Bohrungen (31) eingesetzten Bolzen (50) fixiert und selbsttragend gehaltert sind.Transportable sound absorber wall according to claim 1 or 2, characterized in that each horizontal frame portion (30b) of the support frame (30) has bores (31) for receiving bolts (50) that the bores (31) of stacked absorber panels in the vertical direction with each other aligned, and that a stack of absorber panels (20, 22, 23 and 20) fixed by the in the holes (31) bolts (50) and are supported self-supporting. Transportable Schallabsorberwand nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass jede schallabsorbierende Platte (40) an ihren seitlichen Flanken (41) die vertikalen Abschnitte (30a) jedes Tragrahmens (30) derart umgreift, dass die vertikalen Abschnitte (30a) jedes Tragrahmens (30) von der zugehörigen schallabsorbierenden Platte (40) nach vorne und zur Seite hin abgedeckt sind.Transportable sound absorber wall according to one of claims 1 to 3, characterized in that each sound absorbing plate (40) at its lateral flanks (41) engages around the vertical portions (30a) of each support frame (30) such that the vertical portions (30a) of each support frame (30) are covered by the associated sound-absorbing plate (40) to the front and to the side. Transportable Schallabsorberwand nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Oberfläche jeder schallabsorbierenden Platte (40) an ihrer Vorderseite profiliert ist.Transportable sound absorber wall according to one of claims 1 to 4, characterized in that the surface of each sound-absorbing plate (40) is profiled on its front side. Transportable Schallabsorberwand nach Anspruch 5, dadurch gekennzeichnet, dass die Profile (42) der Platten (40) von übereinander gestapelten Absorberpaneelen (20, 21, 22, 23) in vertikaler Richtung fluchten.Transportable sound absorber wall according to claim 5, characterized in that the profiles (42) of the plates (40) of stacked absorber panels (20, 21, 22, 23) are aligned in the vertical direction. Transportable Schallabsorberwand nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass für die schallabsorbierende Platte (40) ein Weichschaumstoff vorgesehen ist.Transportable sound absorber wall according to one of claims 1 to 6, characterized in that a flexible foam is provided for the sound-absorbing plate (40). Transportable Schallabsorberwand nach Anspruch 7, dadurch gekennzeichnet, dass als Weichschaumstoff ein offenporiger Polyurethanschaum vorgesehen ist.Transportable sound absorber wall according to claim 7, characterized in that the flexible foam is an open-pored polyurethane foam is provided. Transportable Schallabsorberwand nach Anspruch 8 dadurch gekennzeichnet, dass der Polyurethanschaum flammhemmend ausgebildet ist.Transportable sound absorber wall according to claim 8, characterized in that the polyurethane foam is formed flame retardant. Transportable Schallabsorberwand nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass der Polyurethanschaum eine Rohdichte im Bereich zwischen 6 und 35 kg/qm aufweist.Transportable sound absorber wall according to one of claims 7 to 9, characterized in that the polyurethane foam has a density in the range between 6 and 35 kg / sqm. Transportable Schallabsorberwand nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass für die schallabsorbierende Platte (40) ein sehr leichter und deshalb gut schalldämmender Kunststoff vorgesehen ist.Transportable sound absorber wall according to one of claims 1 to 6, characterized in that a very light and therefore sound-insulating plastic is provided for the sound-absorbing plate (40). Transportable Schallabsorberwand nach Anspruch 11, dadurch gekennzeichnet, dass als Kunststoff ein Melaminharzschaum vorgesehen ist.Transportable sound absorber wall according to claim 11, characterized in that a melamine resin foam is provided as plastic. Transportable Schallabsorberwand nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Absorberpaneel (1) mit einem schalldämmenden Vlies oder Gewebe oder mit Farbe beschichtet ist.Transportable sound absorber wall according to one of claims 1 to 6, characterized in that the Absorberpaneel (1) is coated with a sound-absorbing fleece or fabric or with paint. Transportable Schallabsorberwand nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Absorberpaneel (1) eine schalldurchlässige Beschichtung aufweist.Transportable sound absorber wall according to one of claims 1 to 6, characterized in that the absorber panel (1) has a sound-permeable coating. Transportable Schallabsorberwand nach Anspruch 14, dadurch gekennzeichnet, dass als schalldurchlässige Beschichtung eine Farbschicht vorgesehen ist.Transportable sound absorber wall according to claim 14, characterized in that as sound-permeable coating a color layer is provided. Transportable Schallabsorberwand nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass in einem Transportkoffer (10) mehrere Absorberpaneele (20, 21, 22, 23) gleicher Abmessung parallel zueinander stehend an dem Boden (16) des Transportkoffers (10) lösbar befestigt sind.Transportable sound absorber wall according to one of claims 1 to 15, characterized in that in a transport case (10) a plurality of absorber panels (20, 21, 22, 23) of the same dimension parallel to each other standing on the bottom (16) of the transport case (10) are releasably secured , Transportable Schallabsorberwand nach Anspruch 16, dadurch gekennzeichnet, dass der Boden (16) des Transportkoffers (10) parallele Leisten (17) zum Befestigen der Absorberpaneele (20, 21, 22, 23) aufweist.Transportable sound absorber wall according to claim 16, characterized in that the bottom (16) of the transport case (10) has parallel strips (17) for fastening the absorber panels (20, 21, 22, 23). Transportable Schallabsorberwand nach Anspruch 17, dadurch gekennzeichnet, dass die Leisten (17) mit Bohrungen (171) zum Einsetzen von Bolzen (50) versehen sind, welche mit den Bohrungen (31) des horizontalen Rahmenabschnitts (30b) der Absorberpaneele (20, 21, 22, 23) in formschlüssigem Eingriff stehen.Transportable sound absorber wall according to claim 17, characterized in that the strips (17) are provided with bores (171) for inserting bolts (50) which engage with the bores (31) of the horizontal frame section (30b) of the absorber panels (20, 21, 22, 23) are in positive engagement.
EP13001355.0A 2012-04-03 2013-03-18 Transportable sound absorbing wall Active EP2647775B1 (en)

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DE202012003451U DE202012003451U1 (en) 2012-04-03 2012-04-03 Transportable sound absorber wall

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EP2647775A2 true EP2647775A2 (en) 2013-10-09
EP2647775A3 EP2647775A3 (en) 2014-03-19
EP2647775B1 EP2647775B1 (en) 2015-09-16

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CN104612268B (en) * 2015-01-22 2017-01-18 杭州绿隆环保科技有限公司 Lifting type sound insulation screen based on changes of wind speeds

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FR2516123A1 (en) * 1981-11-06 1983-05-13 Miguet Ets Marcel Mobile acoustic frame for industrial use inside buildings - has frames mounted on wheel assemblies and supporting insulating panels and depending skirt
CH647684A5 (en) * 1982-02-09 1985-02-15 Eberhard M Buehnenbau Weesen MOBILE, DETACHED WALL ELEMENT.
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

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DE202012003451U1 (en) 2012-05-15
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