JP6791620B2 - 吸音構造 - Google Patents
吸音構造 Download PDFInfo
- Publication number
- JP6791620B2 JP6791620B2 JP2015165868A JP2015165868A JP6791620B2 JP 6791620 B2 JP6791620 B2 JP 6791620B2 JP 2015165868 A JP2015165868 A JP 2015165868A JP 2015165868 A JP2015165868 A JP 2015165868A JP 6791620 B2 JP6791620 B2 JP 6791620B2
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- Prior art keywords
- sound absorbing
- sound
- airtight
- fine
- thickness
- Prior art date
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- 238000010521 absorption reaction Methods 0.000 title description 36
- 239000011358 absorbing material Substances 0.000 claims description 33
- 238000009423 ventilation Methods 0.000 claims description 25
- 238000002474 experimental method Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 239000011491 glass wool Substances 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
Description
D 距離(気密面状体と微細穿孔面状体との距離)
G1,G2 間隙
1 剛壁(面体)
2,2A 吸音パネル(吸音構造)
21 背後空気層
3 気密膜(気密面状体)
4 多孔質吸音材(通気抵抗体)
5 微細穿孔シート(微細穿孔面状体)
51 微細穿孔
Claims (5)
- 500Hz帯域〜1000Hz帯域の周波数の音波に対して広い範囲で高い吸音率を示すように音場に向いた面体に沿って設けられた吸音構造であって、
前記面体から前記音場側に離隔して配置された非通気性の気密面状体と、
前記気密面状体よりも前記音場側に配置された流れ抵抗を有する通気性の通気抵抗体と、
前記通気抵抗体よりも前記音場側に配置された複数の微細穿孔を有する微細穿孔面状体とを備え、
前記微細穿孔は直径が0.1mm以上1mm以下、前記気密面状体の面密度は0.12kg/m2以上、前記通気抵抗体は流れ抵抗が1.3×103N・s/m4以上16×103N・s/m4以下で密度が10kg/m 3 以上24kg/m 3 以下かつ厚さが25mm以上であるとともに、
前記気密面状体と前記微細穿孔面状体との距離が、25mmより広く、かつ300mm以下であることを特徴とする吸音構造。 - 前記微細穿孔面状体は、厚さが0.1mm以上1mm以下であることを特徴とする請求項1に記載の吸音構造。
- 前記気密面状体と前記通気抵抗体との間及び前記通気抵抗体と前記微細穿孔面状体との間の少なくとも一方に、間隙が存在していることを特徴とする請求項1又は2に記載の吸音構造。
- 前記通気抵抗体と前記微細穿孔面状体との間に、25mm以下の間隙が存在していることを特徴とする請求項1乃至3のいずれか一項に記載の吸音構造。
- 前記通気抵抗体は、多孔質吸音材であることを特徴とする請求項1乃至4のいずれか一項に記載の吸音構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015165868A JP6791620B2 (ja) | 2015-08-25 | 2015-08-25 | 吸音構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015165868A JP6791620B2 (ja) | 2015-08-25 | 2015-08-25 | 吸音構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017044796A JP2017044796A (ja) | 2017-03-02 |
JP6791620B2 true JP6791620B2 (ja) | 2020-11-25 |
Family
ID=58209973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015165868A Active JP6791620B2 (ja) | 2015-08-25 | 2015-08-25 | 吸音構造 |
Country Status (1)
Country | Link |
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JP (1) | JP6791620B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018181139A1 (ja) | 2017-03-27 | 2018-10-04 | 富士フイルム株式会社 | 防音構造体、ならびに、吸音パネルおよび調音パネル |
KR102133435B1 (ko) * | 2017-09-15 | 2020-07-13 | 전남대학교산학협력단 | 바닥충격음 저감용 천장 및 벽체 패널과 이의 시공방법 |
JP7089387B2 (ja) | 2018-03-28 | 2022-06-22 | 株式会社熊谷組 | 天井構造 |
DE102018110008A1 (de) * | 2018-04-25 | 2019-10-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Schallabsorbierendes Außenbauteil für Gebäude |
CN113362793B (zh) * | 2021-05-10 | 2024-05-24 | 西安交通大学 | 一种双向粗糙平行排布微通道多孔吸声结构 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09203138A (ja) * | 1996-01-26 | 1997-08-05 | Matsushita Electric Works Ltd | 吸音パネルの取付構造 |
JP2002215172A (ja) * | 2001-01-23 | 2002-07-31 | Ngk Insulators Ltd | 吸音材および吸音構造体 |
JP2003293474A (ja) * | 2002-04-01 | 2003-10-15 | Sekisui Chem Co Ltd | 室内の吸音構造及び建物 |
JP4394638B2 (ja) * | 2005-12-15 | 2010-01-06 | 株式会社林技術研究所 | 自動車用成形敷設内装材 |
JP5813290B2 (ja) * | 2010-02-25 | 2015-11-17 | ブリヂストンケービージー株式会社 | 吸音構造 |
-
2015
- 2015-08-25 JP JP2015165868A patent/JP6791620B2/ja active Active
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Publication number | Publication date |
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JP2017044796A (ja) | 2017-03-02 |
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