JP4739785B2 - 吸音体及び吸音装置 - Google Patents
吸音体及び吸音装置 Download PDFInfo
- Publication number
- JP4739785B2 JP4739785B2 JP2005084833A JP2005084833A JP4739785B2 JP 4739785 B2 JP4739785 B2 JP 4739785B2 JP 2005084833 A JP2005084833 A JP 2005084833A JP 2005084833 A JP2005084833 A JP 2005084833A JP 4739785 B2 JP4739785 B2 JP 4739785B2
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- JP
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- Prior art keywords
- sound
- sound absorbing
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- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000006096 absorbing agent Substances 0.000 title claims description 75
- 239000000463 material Substances 0.000 claims description 81
- 239000011358 absorbing material Substances 0.000 claims description 48
- 239000000835 fiber Substances 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000013305 flexible fiber Substances 0.000 claims 1
- 230000002238 attenuated effect Effects 0.000 description 20
- 230000000694 effects Effects 0.000 description 18
- 238000010521 absorption reaction Methods 0.000 description 8
- 230000035699 permeability Effects 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
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- 230000002195 synergetic effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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Images
Classifications
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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
- E04B1/8209—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
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0076—Cellular, e.g. as wall facing
- E01F8/0082—Cellular, e.g. as wall facing with damping material
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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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/34—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles
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- 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
Description
上記技術的課題を解決するために本発明の請求項3において講じた技術的手段(以下、第3の技術的手段と称する。)は、請求項1または2に記載の吸音体において、前記多孔質表皮材は非円筒断面をもつことを特徴とする吸音体である。
2…………………軟質繊維系吸音材
3…………………外蓋 31…曲げ部 32…凸部
4、41〜45…中心材
5…………………ねじ
6、61〜65…第二の空気層
7、71〜74…第一の空気層
8…………………固定板
100〜109…吸音体
200、201、203、204…吸音装置
300……………従来の吸音装置
N…………………騒音源
V1………………斜めの方向
S1、S2、S10、S11、S20、S21、S30…音波
Claims (6)
- 筒状の多孔質表皮材と、
前記多孔質表皮材の内側に設けられた中空円筒形状の軟質繊維系吸音材と、
前記軟質繊維系吸音材の中空内部に設けられた中心材とを備え、
前記中心材は外周上に並ぶ3箇所以上の突起部分を有し、
前記多孔質表皮材と前記軟質繊維系吸音材との間に第一の空気層が形成されるとともに、前記中心材の前記突起部分が前記軟質繊維系吸音材の内側に当接し、隣接する前記突起部分と前記軟質繊維系吸音材との間に第二の空気層が形成されることを特徴とする吸音体。 - 請求項1に記載の吸音体において、
前記多孔質表皮材の両端部に外蓋を備え、前記外蓋は前記多孔質表皮材の外側端部を周囲から包み込むように保持し、かつ前記多孔質表皮材と前記軟質繊維系吸音材との間隔を保持する凸部が内側に形成されていることを特徴とする吸音体。 - 請求項1または2に記載の吸音体において、前記多孔質表皮材は非円筒断面をもつことを特徴とする吸音体。
- 請求項1〜3のいずれか一項に記載の吸音体において、前記中心材は音波の透過を阻止する音波反射材と機械的強度を確保する支持材とを兼ねることを特徴とする吸音体。
- 請求項1〜4のいずれか一項に記載の吸音体を、所定の間隔で二列以上の千鳥状に並行に配置したことを特徴とする吸音装置。
- 請求項1〜4のいずれか一項に記載の吸音体であって前記多孔質表皮材が略等脚台形の断面形状をもつ吸音体を、所定の間隔で一列に並行にかつ一つおきに略等脚台形の断面形状の上底と下底とが表出するように配置したことを特徴とする吸音装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005084833A JP4739785B2 (ja) | 2005-03-23 | 2005-03-23 | 吸音体及び吸音装置 |
US11/377,047 US20060260870A1 (en) | 2005-03-23 | 2006-03-15 | Sound absorber and sound absorbing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005084833A JP4739785B2 (ja) | 2005-03-23 | 2005-03-23 | 吸音体及び吸音装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006267476A JP2006267476A (ja) | 2006-10-05 |
JP4739785B2 true JP4739785B2 (ja) | 2011-08-03 |
Family
ID=37203544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005084833A Expired - Fee Related JP4739785B2 (ja) | 2005-03-23 | 2005-03-23 | 吸音体及び吸音装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060260870A1 (ja) |
JP (1) | JP4739785B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2622936C1 (ru) * | 2016-03-09 | 2017-06-21 | Мария Олеговна Стареева | Акустическая конструкция для производственных помещений |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7703575B2 (en) * | 2006-09-25 | 2010-04-27 | Partscience, Llc | Three-dimensional tessellated acoustic components |
US8136630B2 (en) * | 2007-06-11 | 2012-03-20 | Bonnie Schnitta | Architectural acoustic device |
US20090297319A1 (en) * | 2008-06-02 | 2009-12-03 | Kalb James R | Composite for automated handling device |
GB2461909A (en) * | 2008-07-17 | 2010-01-20 | South Bank Univ Entpr Ltd | Sound absorbing device |
JP2010085511A (ja) * | 2008-09-30 | 2010-04-15 | Daiken Corp | 吸音装置 |
JP5903642B2 (ja) | 2011-08-08 | 2016-04-13 | パナソニックIpマネジメント株式会社 | 半導体装置 |
KR101289129B1 (ko) * | 2012-09-28 | 2013-07-23 | 웅진케미칼 주식회사 | 흡음성능이 우수한 흡음재 및 그 제조방법 |
RU2551146C1 (ru) * | 2014-02-26 | 2015-05-20 | Олег Савельевич Кочетов | Резонансный звукопоглотитель кочетова |
US9845598B1 (en) * | 2014-06-23 | 2017-12-19 | Hanson Hsu | Apparatus for improving the acoustics of an interior space, a system incorporating said apparatus and method of using said apparatus |
AT516861B1 (de) * | 2015-01-30 | 2017-06-15 | Getzner Textil Ag | Absorbervorrichtung |
RU2579825C1 (ru) * | 2015-02-06 | 2016-04-10 | Олег Савельевич Кочетов | Акустическая конструкция кочетова для цеха |
RU2576706C1 (ru) * | 2015-02-20 | 2016-03-10 | Олег Савельевич Кочетов | Штучный звукопоглотитель кочетова комбинированного типа |
RU2576705C1 (ru) * | 2015-02-27 | 2016-03-10 | Мария Олеговна Стареева | Комбинированный звукопоглотитель стареевой |
DE102016124755B3 (de) * | 2016-12-19 | 2018-02-15 | Liaver Gmbh & Co. Kg | Schallabsorbierendes Bauelement mit Löschungsprofilen sowie Schallschutzwand |
US11004439B2 (en) * | 2018-02-26 | 2021-05-11 | Toyota Motor Engineering & Manufacturing North America, Inc. | Acoustic absorber |
CN114104234B (zh) * | 2021-11-30 | 2023-08-08 | 浙江大学 | 覆盖层漫反射式吸声超结构单元及超结构 |
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2005
- 2005-03-23 JP JP2005084833A patent/JP4739785B2/ja not_active Expired - Fee Related
-
2006
- 2006-03-15 US US11/377,047 patent/US20060260870A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2622936C1 (ru) * | 2016-03-09 | 2017-06-21 | Мария Олеговна Стареева | Акустическая конструкция для производственных помещений |
Also Published As
Publication number | Publication date |
---|---|
JP2006267476A (ja) | 2006-10-05 |
US20060260870A1 (en) | 2006-11-23 |
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