EP2470731B1 - Structure assemblée destinée à absorber, réfléchir et/ou amortir des ondes de bruit aérien et son usage - Google Patents

Structure assemblée destinée à absorber, réfléchir et/ou amortir des ondes de bruit aérien et son usage Download PDF

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Publication number
EP2470731B1
EP2470731B1 EP09787056.2A EP09787056A EP2470731B1 EP 2470731 B1 EP2470731 B1 EP 2470731B1 EP 09787056 A EP09787056 A EP 09787056A EP 2470731 B1 EP2470731 B1 EP 2470731B1
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EP
European Patent Office
Prior art keywords
pos
plate elements
molded article
plate
elements
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.)
Not-in-force
Application number
EP09787056.2A
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German (de)
English (en)
Other versions
EP2470731A1 (fr
Inventor
Claudio Hils
Thomas Petzoldt
Thomas Gruber
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.)
Gruber Thomas
Hils Claudio
Petzoldt Thomas
Original Assignee
Gruber Thomas
Hils Claudio
Petzoldt Thomas
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.)
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Publication date
Application filed by Gruber Thomas, Hils Claudio, Petzoldt Thomas filed Critical Gruber Thomas
Publication of EP2470731A1 publication Critical patent/EP2470731A1/fr
Application granted granted Critical
Publication of EP2470731B1 publication Critical patent/EP2470731B1/fr
Not-in-force 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
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/8209—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 sound absorbing devices
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/14—Load-carrying floor structures formed substantially of prefabricated units with beams or girders laid in two directions
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • 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
    • E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped

Definitions

  • This invention relates to a system for absorbing, reflecting and / or damping airborne sound waves.
  • skeletal shaped bodies according to the invention serve to effectively influence airborne sound waves.
  • the object of the invention is that the skeleton structure can be adapted to specific spatial and acoustic conditions. Without changing the simple design principle of the moldings, the desired acoustic effect is achieved by suitable choice of the size, shape and depth of the skeleton structure and the material used, the material thickness, the inclination, the distance, the bending and the edge contours of plate elements, while taking into account local requirements.
  • the invention relates to a system for absorbing, reflecting and / or damping airborne sound waves.
  • areal Fig. 1 , Pos. 1), ( Fig. 2 , Pos. 2), ( Fig. 3 , Pos. 3), ( Fig. 4 , Pos. 4), ( Fig. 7 , Pos. 79) or barrel-closed ( Fig. 5 , Pos. 5, 6), ( Fig. 6 , Pos. 7) arrangement serve the inventive skeletal shaped body of the effective damping of airborne sound waves.
  • the special construction has flocks of inclined and curved plate elements ( Fig. 1 , Pos. 30, 31), ( Fig. 2 , Pos. 39), ( Fig. 3 , Pos. 40, 41), Fig.
  • the so-called lower limit frequency plays a role below which no significant attenuation values can be achieved.
  • This cutoff frequency is determined by the typical length of a damping element used, which must not be less than one quarter of the wavelength of the cutoff frequency. At a frequency of 150 Hz results, for example, a typical length of about 565 mm. With vertical sound incidence on the moldings according to the invention, their depth can be considered as this typical length, while oblique sound incidence rather the distance between the plate elements is relevant.
  • periodic interference functions are superimposed, whereby wave-shaped bends ( Fig. 4 , Pos. 37, 38) of the plate elements within the given basic shape.
  • the waveform varies the distance ( Fig. 3 , Pos. 35, 36) between the individual plate elements and thus covers a wider range of attenuation.
  • the reflection of sound waves directly back into free space is hindered if the areas of adjacent plate elements have different distances extending towards the inner separation area ( Fig. 1 , Item 33).
  • the angles between adjacent plate elements open to the separating surface ( Fig. 1 , Pos. 32) of a shaped body out ( Fig. 1 , Pos. 33).
  • the result is a polarization and diffusion of the waves on the front flock of plate elements, the wavefronts are reflected back to the rear plate flock of the skeleton whose plate elements are polarizing to the front plate flock.
  • a large-area coverage and thus increased absorption of airborne sound waves according to the invention by the use of multiple moldings ( Fig. 7 , Pos. 79). It can be ranked the same, different or customized moldings. Variation of the given design options allows for a particularly wide variety of aesthetic patterns.
  • the shaped bodies can be combined as desired, so that it is possible to achieve continuous waves, reflections or refractions over the area of a plurality of shaped bodies.
  • the shaped bodies according to the invention form two sets of plate elements.
  • the plate elements overlap in the separating surface, so that at the crossing points ( Fig. 1 , Pos. 81), ( Fig. 5 , Pos. 82), ( Fig. 6 , Pos. 83) connections between the longitudinal and transverse plate elements can be made.
  • These plate elements are connected at their crossing points by connecting slots ( Fig. 9 , Pos. 23, 24) connected to a skeletal structure.
  • non-detachable connectors are provided at the crossing points of the plate elements in the separating surface latching.
  • the connected plate elements overlap corresponding to twice the slot depth ( 84 ).
  • the overlap here is not necessarily identical to the depth of the plate elements.
  • the shape, angle and width of the connection at a crossing point is calculated individually and inserted directly into the pattern of the panel elements.
  • the width of the connection slots ( Fig. 9 , Pos. 59) is in this case to the thickness of the materials ( Fig. 9 , Pos. 60), from which the plate elements are made, adapted.
  • Each plate element is clearly marked by having an array of notches and elevations ( Fig. 11 , Pos. 56), which indicates the orientation of the plate member in the molding.
  • the installation position of the respective plate element in the molding is also determined by this arrangement of notches and elevations ( Fig. 11 , Pos.
  • Fig. 5 , Pos. 5, 6 a group of plate elements the shape of closed rings ( Fig. 5 , Pos. 45, 70, 71).
  • the outlines of such panel elements Fig. 8 , Pos. 11, 12), ( Fig. 10 , Pos. 72) have two sections with meandering ( Fig. 8 , Pos.
  • a further optional embodiment of barrel-shaped moldings according to the invention is the diagonal arrangement of the plate elements ( Fig. 6 , Pos. 46, 47), wherein the two sets of plate elements run spirally along the separation surface.
  • individual plate elements can end at any position within the separating surface ( Fig. 6 , Item 78).
  • the shaped bodies according to the invention are equipped with a stiffening frame ( Fig. 4 , Pos. 61), ( Fig. 7 , Pos. 64), which may consist of plastic, wood or a metallic material and the frame parts are guided in adapted openings at the outer ends of the plate elements ( Fig. 4 , Pos. 65), ( Fig. 8 , Pos. 66, 67, 68).
  • a stiffening frame Fig. 4 , Pos. 61
  • Fig. 7 , Pos. 64 which may consist of plastic, wood or a metallic material
  • the frame parts are guided in adapted openings at the outer ends of the plate elements ( Fig. 4 , Pos. 65), ( Fig. 8 , Pos. 66, 67, 68).
  • the skeletal moldings of the present invention can be fabricated from any flexible sheet material by simply and inexpensively producing the plate members including the connecting slots on 2-axis controlled machines by cutting plot, water jet or laser cutting according to the current state of the art.
  • the maximum permissible curvature (smallest bending radius) of panel elements is determined by their wall thickness and by the maximum permitted elongation of the material used.
  • the use of a wide range of materials such as metal sheets, plastic sheets, composites, textiles, plywood or cardboard is possible.
  • the board materials used can be provided with a perforation.
  • the most varied forms of the plate elements ( Fig. 8 , Pos. 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19) are generated with a computer program which describes surfaces completely in space, then handles the generated shapes on flat surfaces and the Finally, raw data generated is calculated as finished patterns with fasteners and part identification.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)

Claims (16)

  1. Les corps (Fig. 1, rep. 1), (Fig. 2, rep. 2), (Fig 3, rep. 3), (Fig. 4, rep. 4), (Fig. 5, rep. 5, 6), (Fig. 6, rep. 7), (Fig. 7, rep. 79) pour l'absorption, la réflexion et l'amortissement des ondes sonores aériennes, le corps moulé incluant des éléments de plaque (Fig. 8, rep. 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19), se croisant et comprenant à leurs points de croisement (Fig. 1, rep. 81), (Fig. 5, rep. 82), (Fig. 6, rep. 83) une fente de connexion (Fig. 8, rep. 20, 21, 22), (Fig. 9, rep. 23, 24), (Fig. 10, rep. 25), qui permet de signaler que les éléments de plaque, sont enfichés. Ceci permet également de les joindre en une structure de type squelette comportant plusieurs cellules (Fig. 1, rep. 27), (Fig. 2, rep. 29), (Fig. 3, rep. 62), (Fig. 4, rep. 63), (Fig. 5. rep. 80), (Fig. 6, rep. 77), (Fig. 7, rep. 69) ayant des formes différentes et possédant plusieurs courbures (Fig. 4, rep. 37, 38). Les différentes formes des cellules (Fig. 1, rep. 27), (Fig. 2, rep. 29), (Fig. 3, rep. 62), (Fig. 4, rep. 63), (Fig. 5, rep. 80), (Fig. 6. rep. 77), (Fig. 7. rep. 69) permettent d'absorber différentes plages de fréquences des ondes sonores aériennes, de les refléter et / ou de les absorber. Ceci a pour résultat la forme des corps moulés ainsi que la position et la courbure des éléments de plaque (Fig. 8, rep. 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19) et la position et la direction de la fente de connexion (Fig. 8, rep. 20, 21,22), (Fig. 9, rep. 23, 24), (Fig. 10. Pos. 25).
  2. Les corps moulés correspondants à la revendication 1 se démarquent par le fait, que l'avant (Fig. 1, rep. 26) tout comme l'arrière (Fig 1, rep. 28) du corps moulé comprend une lame d'éléments de plaque (Fig. 1, rep. 30, 31) qui forme une surface de séparation (Fig. 1, rep. 32) définie par les points de croisement respectifs (Fig. 1, rep. 81), (Fig. 5, rep. 82), (Fig. 6, rep. 83) des deux plaques. Ici, les éléments de plaque d'une lame d'éléments ont des angles s'élargissant vers la surface de séparation (Fig. 1, rep. 33) et / ou des angles diminuant vers la surface de séparation (Fig. 2, rep. 34), l'un par rapport à l'autre, et / ou des distances variant (Fig. 3, rep. 35, 36), l'une par rapport à l'autre et / ou des contours de bords de formes différentes (Fig. 8, rep. 14, 15, 16, 17, 18, 19).
  3. Les corps moulés correspondants aux revendications 1 à 2, se démarquent par le fait que la taille des cellules (Fig. 1, rep. 27), (Fig. 2, rep. 29), (Fig. 3, rep. 62), (Fig. 4, rep. 63), (Fig. 5, rep. 80), (Fig. 6, rep. 77), (Fig. 7, rep. 69) et / ou la profondeur (Fig. 2, rep. 48), (Fig. 8, rep. 49) des éléments de plaque des lames de plaque respectives sont différentes. Ceci fait qu'on a une distance moyenne entre les éléments de plaque tout comme un rapport moyen entre la distance et la profondeur des cellules. Ceci permet, à son tour, que les cellules respectives absorbent, reflètent et / ou amortissent des plages de fréquences différentes.
  4. Les corps moulés correspondants aux revendications 1 à 3 se démarquent par le fait que l'inclinaison respective des éléments de plaque sont disposés dans une direction préférentielle (Fig. 3, rep. 50, 51, 52, 53), provoquant ainsi une absorption, réflexion et / ou amortissement.
  5. Les corps moulés correspondants aux revendications 1 à 4 se démarquent par le fait que les éléments de plaque sont reliés au niveau de leurs points de croisement par des fentes (20, 21, 22) (Fig. 9. rep. 23, 24), (Fig. 10, rep. 25). Ces fentes (Fig. 8, rep. 20, 22) équipent une lame de plaques avec des tiges en avant (Fig. 9. rep. 54). Celles-ci s'insèrent dans les passages (Fig. 9., rep. 55), se trouvant dans les fentes (Fig. 8, rep. 21) de l'autre lame de plaques.
  6. Les corps moulés correspondants aux revendications 1 à 5 se démarquent par le fait que chacun des éléments de plaques est clairement désigné par le fait qu'il possède un ensemble d'entailles et de renflements (Fig. 11, rep. 56) indiquant l'orientation de l'élément par plaque dans le corps moulé et que chacun des éléments de plaque (Fig. 11, rep. 56) reçoit, à l'aide du système binaire (Fig. 11, rep. 57) un numéro de pièce continu (Fig. 11, rep. 58). Ceci détermine la position de montage de l'élément de plaque correspondant dans le corps moulé.
  7. Les corps moulés correspondants aux revendications 1 à 6 se démarquent par le fait que les éléments de plaque sont fabriqués en mousse à pores ouverts, plastiques, bois, contreplaqué, carton et matière métallique et / ou perforée ou bien dans une combinaison quelconque de ces matières. La largeur de la fente de connexion (Fig. 9, rep. 59) est adaptée à l'épaisseur des matériaux (Fig. 9, rep. 60) ayant servi à la fabrication des éléments de plaque.
  8. Les corps moulés correspondants aux revendications 1 à 7 se démarquent par le fait que les éléments de plaque incluent un cadre rigidifiant (Fig. 4, rep. 61), (Fig. 7, rep. 64), constitué de plastique, de bois ou de matériau métallique. Sur les pièces de son cadre, sont conduits les éléments de la plaque au niveau des extrémités extérieures, dans des passages (Fig. 4, rep. 65), (Fig. 8, rep. 66, 67, 68).
  9. Les corps moulés selon les revendications 1 à 8 se démarquent par le fait que la forme du corps moulé est celle d'un corps en tonneau courbé, irrégulier (Fig. 5, rep. 5, 6). Pour ceux-ci, les éléments de plaques ont la forme d'anneaux fermés (Fig. 5, rep. 70, 71).
  10. Les corps moulés selon les revendications 1 à 9 se démarquent par le fait que les contours des éléments de plaque (Fig. 8, rep. 11, 12), (Fig. 10, rep. 72) peuvent inclure deux sections aux contours en forme de méandre (Fig. 8, rep. 73, 74) (Fig. 10, rep. 75) et s'adaptant l'une à l'autre. Celles-ci seront connectées en les collant ou en les soudant (Fig. 10, rep. 76), ce qui permet d'obtenir pour chaque élément de plaque la forme d'un anneau fermé, conique (Fig. 5, rep. 70, 71).
  11. Les corps moulés selon les revendications 1 à 8 se démarquent par le fait que la forme du corps moulé comprend un corps en tonneau courbé et irrégulier (Fig. 6, rep. 7), où les deux lames des éléments de plaques (Fig. 6, rep. 46 et 47) sont disposées en diagonale de façon à ce qu'elles se déplacent en spirale le long de la surface de séparation.
  12. Les corps moulés selon les revendications 1 à 11, se démarquent par le fait que chacun des éléments de plaque est placé à certaines positions au sein de la surface de séparation (Fig. 6, rep. 78).
  13. Mise en place de plusieurs corps moulés selon les revendications 1 à 12 se démarquant par le fait que des corps moulés identiques ou différents sont mis en ligne (Fig. 7, rep. 79), ce qui permet d'obtenir un recouvrement de grande surface et donc une efficacité acoustique augmentée.
  14. Utilisation de corps moulés selon la revendication 1 à 13 pour l'absorption, la réflexion et / ou amortissement d'ondes sonores aériennes.
  15. Utilisation de corps moulés selon les revendications 1 à 14 comme revêtement mural, de plafond, de fenêtre, séparation de pièce, élément d'ombrage, grillage pour le recouvrement d'ouvertures, corps lumineux, élément de décoration et / ou sculptures à l'air libre, dans les pièces intérieures, les salles de concert, les salles de conférence, les couloirs, les salles de séjour et / ou les cabines des moyens de transport.
  16. Utilisation de corps moulés selon les revendications 1 à 15 comme structure de soutien pour la tension avec des textiles, papiers peints, films plastiques, tissus techniques et / ou avec une combinaison en libre choix de ce matériau.
EP09787056.2A 2009-08-28 2009-08-28 Structure assemblée destinée à absorber, réfléchir et/ou amortir des ondes de bruit aérien et son usage Not-in-force EP2470731B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2009/053793 WO2011024034A1 (fr) 2009-08-28 2009-08-28 Structure assemblée destinée à absorber, réfléchir et/ou amortir des ondes de bruit aérien

Publications (2)

Publication Number Publication Date
EP2470731A1 EP2470731A1 (fr) 2012-07-04
EP2470731B1 true EP2470731B1 (fr) 2016-07-13

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EP (1) EP2470731B1 (fr)
WO (1) WO2011024034A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000001534A1 (it) 2020-01-28 2021-07-28 Avl Pro Sas Di Cavagnero Germano & C Assorbitore multisfaccettato acustico

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015100551U1 (de) 2015-02-05 2016-05-09 Pinta Acoustic Gmbh Schallabsorber mit einer plattenartigen Lage aus einem schallaktiven Werkstoff
DE202015103100U1 (de) * 2015-06-12 2016-09-14 Pinta Acoustic Gmbh An der Decke eines Gebäuderaumes anbringbarer Schallabsorber
AU2018102128A4 (en) * 2018-10-22 2019-05-02 Instyle Contract Textiles Pty Ltd Ceiling module

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1012856A6 (fr) * 1999-08-30 2001-04-03 Caltec S P R L Structure de support bidimensionnelle.
ATE405917T1 (de) * 2000-11-21 2008-09-15 Thomas Wiegel Schichtwerkstoff zur schalldämpfung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000001534A1 (it) 2020-01-28 2021-07-28 Avl Pro Sas Di Cavagnero Germano & C Assorbitore multisfaccettato acustico

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WO2011024034A1 (fr) 2011-03-03

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