JP2019516890A - 吸音装置および防音部屋 - Google Patents
吸音装置および防音部屋 Download PDFInfo
- Publication number
- JP2019516890A JP2019516890A JP2019511807A JP2019511807A JP2019516890A JP 2019516890 A JP2019516890 A JP 2019516890A JP 2019511807 A JP2019511807 A JP 2019511807A JP 2019511807 A JP2019511807 A JP 2019511807A JP 2019516890 A JP2019516890 A JP 2019516890A
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- JP
- Japan
- Prior art keywords
- sound absorbing
- room
- sound
- ceiling
- wall
- 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.)
- Pending
Links
- 238000010521 absorption reaction Methods 0.000 title description 25
- 239000002245 particle Substances 0.000 claims description 14
- 239000006096 absorbing agent Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 11
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000006261 foam material Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 239000011150 reinforced concrete Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229920000876 geopolymer Polymers 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
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- 238000005245 sintering Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
-
- 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
- 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
- E04B1/99—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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
-
- 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
- G10K11/162—Selection of materials
-
- 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
- E04B2001/8457—Solid slabs or blocks
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Multimedia (AREA)
- Building Environments (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
02 上方の縁部
03 吸音ストリップ
Claims (10)
- 複数の壁と部屋の上方を閉鎖する天井とを有する部屋(01)内に配置されている複数の吸音要素からなる吸音装置において、
つなぎ合わされた複数の吸音要素が1つ又は複数の吸音ストリップ(03)を形成し、その1つ又は複数の吸音ストリップ(03)が、前記部屋(01)の壁と天井との間に延びる上方の隣接縁部に沿って少なくとも部分的に延在しており、
前記吸音要素が200〜400mmの幅と40〜65mmの厚さを有し、
前記吸音要素が8〜10kPa*s/m4の範囲内の長さ特有の流れ抵抗を有することを特徴とする吸音装置。 - 前記吸音要素が非延性の発泡材、特に膨張ガラス粒子を含むガラス系発泡材からなることを特徴とする請求項1記載の吸音装置。
- 前記吸音要素が0.25〜4mmの粒度を有する膨張ガラス粒子からなり、前記粒子が板状に焼結されているか、又は添加された結合剤により結合されており、長さ特有の流れ抵抗が8〜9kPa*s/m4の範囲内にあることを特徴とする請求項2記載の吸音装置。
- 前記吸音ストリップ(03)が前記部屋(01)の壁又は天井に直接取り付けられ、好ましくは前記吸音要素と取り付け面との間に空隙が残らないように接着されていることを特徴とする請求項1乃至3の1つに記載の吸音装置。
- 居住目的、作業目的又は休憩目的のための防音部屋(01)であって、複数の壁と、これらの壁の上方を閉鎖する天井と、前記部屋(01)の壁面又は天井面に配置された請求項1乃至4の1つに記載の吸音装置とを有してなる防音部屋(01)。
- 前記吸音ストリップ(03)が、前記部屋(01)の上方の縁部に周囲を取り囲むように延在していることを特徴とする請求項5記載の防音部屋(01)。
- 前記部屋(01)が複数の吸音ストリップ(03)を含み、各吸音ストリップ(03)が前記部屋(01)の上方の縁部(02)に少なくとも部分的に延在していることを特徴とする請求項5又は6記載の防音部屋(01)。
- 前記部屋(01)が40m2〜130m2の範囲の大きさを有することを特徴とする請求項5乃至7の1つに記載の防音部屋(01)。
- 前記部屋(01)が、それぞれ130m2の床面積よりも大きくない音響小部屋に区分されており、この区分が、天井に取り付けられた吸音要素によって作り出されていることを特徴とする請求項5乃至7の1つに記載の防音部屋(01)。
- 前記吸音ストリップ(03)が前記部屋(01)の天井又は壁内に組み込まれており、好ましくは前記吸音ストリップ(03)が天井又は壁と面一になっていることを特徴とする請求項5乃至9の1つに記載の防音部屋(01)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016108945.1A DE102016108945A1 (de) | 2016-05-13 | 2016-05-13 | Schallabsorberanordnung und schallgedämmter Raum |
DE102016108945.1 | 2016-05-13 | ||
PCT/EP2017/061524 WO2017194767A1 (de) | 2016-05-13 | 2017-05-12 | Schallabsorberanordnung und schallgedämmter raum |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019516890A true JP2019516890A (ja) | 2019-06-20 |
JP2019516890A5 JP2019516890A5 (ja) | 2020-06-11 |
Family
ID=58707559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019511807A Pending JP2019516890A (ja) | 2016-05-13 | 2017-05-12 | 吸音装置および防音部屋 |
Country Status (10)
Country | Link |
---|---|
US (1) | US11060277B2 (ja) |
EP (1) | EP3455427B1 (ja) |
JP (1) | JP2019516890A (ja) |
CN (1) | CN109312563A (ja) |
AU (1) | AU2017263076B2 (ja) |
DE (1) | DE102016108945A1 (ja) |
DK (1) | DK3455427T3 (ja) |
FI (1) | FI3455427T3 (ja) |
RU (1) | RU2721615C1 (ja) |
WO (1) | WO2017194767A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2023151261A (ja) * | 2022-03-31 | 2023-10-16 | 株式会社昭和サイエンス | 吸音システム |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016120554A1 (de) | 2016-10-27 | 2018-05-03 | Liaver Gmbh & Co. Kg | Multifunktionale Deckenkonstruktion |
EP3725968A1 (fr) * | 2019-04-16 | 2020-10-21 | Saint-Gobain Isover | Produit d'isolation acoustique comprenant une couche arrière |
WO2023227958A1 (en) * | 2022-05-23 | 2023-11-30 | George Thomas Roshan | Interconnected acoustic framework for low frequency modal absorption |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4362222A (en) * | 1980-04-09 | 1982-12-07 | Byggnadsfysik A & K Ab | Arrangement for damping and absorption of sound in rooms |
JPH09512871A (ja) * | 1994-05-10 | 1997-12-22 | ジョン フェレート | 建物の内壁や天井等に使用される吸音システムおよびこのような吸音システムの製造法 |
JPH10311105A (ja) * | 1997-05-12 | 1998-11-24 | Jutaku Toshi Seibi Kodan | 防音天井構造 |
DE20022685U1 (de) * | 2000-11-29 | 2002-01-17 | STO AG, 79780 Stühlingen | Akustisch absorptives Plattenelement |
WO2009125742A1 (ja) * | 2008-04-10 | 2009-10-15 | ブリヂストンケービージー株式会社 | 複合吸音構造体 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3683100A (en) * | 1970-11-04 | 1972-08-08 | John V Deal | Modular wall and ceiling system |
JPS6075509A (ja) | 1983-09-30 | 1985-04-27 | Mitsubishi Heavy Ind Ltd | 連続製鋼炉 |
JPS6075509U (ja) * | 1983-10-29 | 1985-05-27 | 大建工業株式会社 | 化粧吸音体 |
US4605088A (en) * | 1984-11-13 | 1986-08-12 | Soundfold, Inc. | Multidirectional sound absorber |
US4832147A (en) * | 1987-06-19 | 1989-05-23 | E. I. Dupont De Nemours And Company | Sound reduction membrane |
US5658656A (en) * | 1992-01-10 | 1997-08-19 | Minnesota Mining And Manufacturing Company | Use of materials comprising microbubbles as acoustical barriers |
DE4319808C1 (de) * | 1993-06-15 | 1994-07-28 | Schott Glaswerke | Verfahren zur Herstellung von natursteinähnlichen, plattenförmigen Bau- und Dekorationsmaterialien |
JPH07217980A (ja) * | 1994-02-04 | 1995-08-18 | Kawai Musical Instr Mfg Co Ltd | 給排気ダクト |
US5579614A (en) * | 1996-01-02 | 1996-12-03 | Dorn; Gordon J. | Acoustical system, a part therefor and method of making same |
US6098743A (en) * | 1997-06-06 | 2000-08-08 | Owens Corning Fiberglas Technology, Inc. | Acoustical speaker housing and method of installation |
JPH11152836A (ja) * | 1997-11-18 | 1999-06-08 | Bridgestone Corp | 防音天井構造 |
US5992561A (en) * | 1998-01-06 | 1999-11-30 | Kinetics Noise Control | Sound absorber, room and method of making |
JP2001020546A (ja) * | 1999-07-09 | 2001-01-23 | Nippon Sheet Glass Kankyo Amenity Kk | 防音室 |
DE10326252A1 (de) * | 2003-06-11 | 2005-01-05 | Dennert Poraver Gmbh | Verfahren zur Herstellung eines Formkörpers aus einem Leichtzuschlagstoff-Granulat und einem Bindemittel |
RU40799U1 (ru) * | 2004-02-19 | 2004-09-27 | Открытое акционерное общество "АВТОВАЗ" | Испытательная камера для акустических исследований малогабаритных механизмов и систем с приводным электродвигателем |
TWI651455B (zh) * | 2009-01-14 | 2019-02-21 | Kuraray Co., Ltd | 隔音板、隔音構造及隔音方法 |
DE102011105608B4 (de) | 2011-06-27 | 2020-02-27 | Forschungsgesellschaft für Systemsicherheit und Arbeitsmedizin e.V. (FSA e.V.) | Schall-Absorberanordnung für einen breiten Frequenzbereich mit einem Kanten-Absorber |
US8967823B2 (en) * | 2012-09-13 | 2015-03-03 | Rpg Diffusor Systems, Inc. | Combination light diffuser and acoustical treatment and listening room including such fixtures |
RU2525709C1 (ru) * | 2013-01-09 | 2014-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тольяттинский государственный университет" | Универсальный оболочечный шумопоглощающий модуль |
US9140004B2 (en) * | 2013-01-23 | 2015-09-22 | Paul Hansen | Sound control system |
JP5580907B2 (ja) * | 2013-01-24 | 2014-08-27 | 大和ハウス工業株式会社 | 防音室 |
US20140262607A1 (en) * | 2013-03-15 | 2014-09-18 | Kent Gray | Kit For Assembling Acoustic Treatments To Surfaces |
EP2868826A1 (de) * | 2013-10-31 | 2015-05-06 | Basf Se | Betonelement umfassend einen Schallabsorber |
US9322165B2 (en) * | 2014-07-25 | 2016-04-26 | Erik J. Luhtala | Dynamically adjustable acoustic panel device, system and method |
US9691370B1 (en) * | 2014-09-19 | 2017-06-27 | Navy Island, Inc. | Acoustical panels |
JP6275608B2 (ja) * | 2014-09-22 | 2018-02-07 | 大和ハウス工業株式会社 | 吸音構造および防音室 |
DE102015109808A1 (de) | 2015-06-19 | 2016-12-22 | Liaver Gmbh & Co. Kg | Schallabsorbierendes Bauelement und Schallschutzwand mit einem solchen |
-
2016
- 2016-05-13 DE DE102016108945.1A patent/DE102016108945A1/de active Pending
-
2017
- 2017-05-12 CN CN201780028845.3A patent/CN109312563A/zh not_active Withdrawn
- 2017-05-12 EP EP17723379.8A patent/EP3455427B1/de active Active
- 2017-05-12 US US16/301,242 patent/US11060277B2/en active Active
- 2017-05-12 AU AU2017263076A patent/AU2017263076B2/en active Active
- 2017-05-12 DK DK17723379.8T patent/DK3455427T3/da active
- 2017-05-12 WO PCT/EP2017/061524 patent/WO2017194767A1/de unknown
- 2017-05-12 FI FIEP17723379.8T patent/FI3455427T3/fi active
- 2017-05-12 JP JP2019511807A patent/JP2019516890A/ja active Pending
- 2017-05-12 RU RU2018138490A patent/RU2721615C1/ru active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4362222A (en) * | 1980-04-09 | 1982-12-07 | Byggnadsfysik A & K Ab | Arrangement for damping and absorption of sound in rooms |
JPH09512871A (ja) * | 1994-05-10 | 1997-12-22 | ジョン フェレート | 建物の内壁や天井等に使用される吸音システムおよびこのような吸音システムの製造法 |
JPH10311105A (ja) * | 1997-05-12 | 1998-11-24 | Jutaku Toshi Seibi Kodan | 防音天井構造 |
DE20022685U1 (de) * | 2000-11-29 | 2002-01-17 | STO AG, 79780 Stühlingen | Akustisch absorptives Plattenelement |
WO2009125742A1 (ja) * | 2008-04-10 | 2009-10-15 | ブリヂストンケービージー株式会社 | 複合吸音構造体 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2023151261A (ja) * | 2022-03-31 | 2023-10-16 | 株式会社昭和サイエンス | 吸音システム |
Also Published As
Publication number | Publication date |
---|---|
WO2017194767A1 (de) | 2017-11-16 |
RU2721615C1 (ru) | 2020-05-21 |
EP3455427B1 (de) | 2022-11-16 |
AU2017263076A1 (en) | 2018-12-20 |
AU2017263076B2 (en) | 2022-04-14 |
EP3455427A1 (de) | 2019-03-20 |
US11060277B2 (en) | 2021-07-13 |
FI3455427T3 (fi) | 2023-03-14 |
US20200318344A1 (en) | 2020-10-08 |
CN109312563A (zh) | 2019-02-05 |
DE102016108945A1 (de) | 2017-11-16 |
DK3455427T3 (da) | 2023-02-06 |
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