JP2008138505A5 - - Google Patents

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JP2008138505A5
JP2008138505A5 JP2007274818A JP2007274818A JP2008138505A5 JP 2008138505 A5 JP2008138505 A5 JP 2008138505A5 JP 2007274818 A JP2007274818 A JP 2007274818A JP 2007274818 A JP2007274818 A JP 2007274818A JP 2008138505 A5 JP2008138505 A5 JP 2008138505A5
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absorbing structure
sound absorbing
plate
structure according
sound
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JP2008138505A (en
JP5308006B2 (en
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Claims (28)

音源からの音を吸収することができる吸音構造体であって、
少なくとも一の面に多数の開口部を備えた多孔面を有する箱部材と、
多数の開口部を備え、かつ前記箱部材の内部空間を複数の空間に分離する多孔板と、
前記多孔板を挟持し、かつ前記箱部材の前記内部空間に沿った外形を有する複数の支持枠と、を含み、
前記複数の支持枠により前記多孔板が挟持されることによりユニット化されたことを特徴とする吸音構造体。 A sound absorbing structure that can absorb sound from a sound source,
A box member having a porous surface with multiple openings on at least one surface;
A perforated plate comprising a large number of openings and separating the internal space of the box member into a plurality of spaces;
A plurality of support frames sandwiching the perforated plate and having an outer shape along the internal space of the box member,
A sound-absorbing structure characterized in that the porous plate is sandwiched between the plurality of support frames to form a unit. 前記箱部材は、直方体からなり、前記多孔面が前記音源に対向して配置され、
前記複数の支持枠は、前記多孔面に対して並行に前記多孔板を配置させるように形成されたことを特徴とする請求項１記載の吸音構造体。 The box member is formed of a rectangular parallelepiped, and the porous surface is disposed to face the sound source,
The sound absorbing structure according to claim 1, wherein the plurality of support frames are formed so that the porous plate is arranged in parallel to the porous surface. 前記多孔板は複数の多孔板からなり、前記複数の支持枠を積層させて形成される隙間に前記複数の多孔板が個々に配置されてユニット化され、
前記ユニット化された部材が前記箱部材に収納された場合に、前記複数の多孔板が、前記箱部材の内周面に接触しないように前記複数の支持枠が形成されたことを特徴とする請求項１または請求項２に記載の吸音構造体。 The perforated plate is composed of a plurality of perforated plates, and the plurality of perforated plates are individually arranged in a gap formed by laminating the plurality of support frames, and unitized.
The plurality of support frames are formed so that the plurality of perforated plates do not contact the inner peripheral surface of the box member when the unitized member is stored in the box member. The sound absorbing structure according to claim 1 or 2. 前記複数の支持枠は、
積層方向の厚みが同じであることを特徴とする請求項１から請求項３のいずれか１項に記載の吸音構造体。 The plurality of support frames are:
The sound absorbing structure according to any one of claims 1 to 3 , wherein the thickness in the stacking direction is the same. 前記複数の支持枠は、
積層方向に対して垂直方向の幅が音源からの波長の１／２以下となることを特徴とする請求項１から請求項４のいずれか１項に記載の吸音構造体。 The plurality of support frames are:
The sound absorbing structure according to any one of claims 1 to 4 , wherein a width in a direction perpendicular to the stacking direction is ½ or less of a wavelength from a sound source. 前記多孔面および前記多孔板は、多孔面、多孔板における開口部の開口率が異なり、前記音源から遠ざかるに連れて多孔面および多孔板の前記開口率が小さくなるように形成されることを特徴とする請求項１から請求項５のいずれか１項に記載の吸音構造体。 The perforated surface and the perforated plate are formed such that the aperture ratios of the openings in the perforated surface and the perforated plate are different, and the aperture ratio of the perforated surface and the perforated plate decreases as the distance from the sound source increases. The sound-absorbing structure according to any one of claims 1 to 5 . 前記音源から最も遠い位置に配置された前記多孔板は、その板厚をその前記開口部の孔径で除した値をｘとし、その前記開口部の前記開口率をｙとした場合に、ｙ≦０．００８６ｘ＋０．００７６の関係を満たすように形成されていることを特徴とする請求項１から請求項６のいずれか１項に記載の吸音構造体。 The perforated plate disposed at a position farthest from the sound source is expressed as y ≦ when the value obtained by dividing the plate thickness by the hole diameter of the opening is x and the opening ratio of the opening is y. The sound absorbing structure according to any one of claims 1 to 6 , wherein the sound absorbing structure is formed so as to satisfy a relationship of 0.0086x + 0.0076. 音減衰部材をさらに含み、
前記音減衰部材は、前記複数の支持枠および前記多孔板により分離された複数の空間内のうち少なくとも１の空間内に配置され、ユニット化されたことを特徴とする請求項１から請求項７のいずれか１項に記載の吸音構造体。 A sound attenuating member;
The sound damping member, said one of the plurality of the support frame and a plurality of spaces separated by the perforated plate disposed on at least in space, according to claim claim 1, characterized in that a unit 7 The sound absorbing structure according to any one of the above. 前記開口部は小孔からなることを特徴とする請求項１から請求項８のいずれか１項に記載の吸音構造体。 Sound absorbing structure according to any one of claims 1 to 8 wherein the opening, characterized in that it consists stoma. 前記多孔板は、アルミニウム部材からなることを特徴とする請求項１から請求項９のいずれか１項に記載の吸音構造体。 The sound absorbing structure according to any one of claims 1 to 9 , wherein the perforated plate is made of an aluminum member. 前記箱部材は、アルミニウム部材からなることを特徴とする請求項１から請求項１０のいずれか１項に記載の吸音構造体。 The sound absorbing structure according to any one of claims 1 to 10 , wherein the box member is made of an aluminum member. 前記開口部は、エンボス加工により形成されることを特徴とする請求項１から請求項１１のいずれか１項に記載の吸音構造体。 The sound absorbing structure according to any one of claims 1 to 11 , wherein the opening is formed by embossing. 前記開口部は、パンチング加工により形成されることを特徴とする請求項１から請求項１１のいずれか１項に記載の吸音構造体。 The sound absorbing structure according to any one of claims 1 to 11 , wherein the opening is formed by punching. 前記多孔板は、
減衰構造を有することを特徴とする請求項１から請求項１３のいずれか１項に記載の吸音構造体。 The perforated plate is
Sound absorbing structure according to any one of claims 13 claim 1, characterized in that it comprises a damping structure. 前記多孔板は、
少なくとも２枚の多孔板を接触させて配置することを特徴とする請求項３から請求項１４のいずれか１項に記載の吸音構造体。 The perforated plate is
The sound absorbing structure according to any one of claims 3 to 14 , wherein at least two perforated plates are arranged in contact with each other. 前記多孔板は、
制振性を有する板材からなることを特徴とする請求項１から請求項１５のいずれか１項に記載の吸音構造体。 The perforated plate is
The sound absorbing structure according to any one of claims 1 to 15 , wherein the sound absorbing structure is made of a plate material having vibration damping properties. 前記箱部材は、前記内部空間と外部とを貫通する水抜き孔が形成されていることを特徴とする請求項１から請求項１６のいずれか１項に記載の吸音構造体。 The sound absorbing structure according to any one of claims 1 to 16 , wherein the box member has a drain hole penetrating the internal space and the outside. 音源からの音を吸収することができる吸音構造体であって、
多数の開口部を備えた第１板部材と、
第１板部材に対向して設けられる第２板部材と、
多数の開口部を備え、かつ前記第１板部材および前記第２板部材との間に配設された１枚以上の多孔板と、を含み、
前記第１板部材および前記多孔板は、第１板部材および多孔板における開口率が異なり、前記音源から第１板部材、多孔板、第２板部材の順に配設され、かつ前記音源から遠ざかるに連れて第１板部材および多孔板の開口率が小さくなるように形成されたことを特徴とする吸音構造体。 A sound absorbing structure capable of absorbing sound from a sound source,
A first plate member having a number of openings;
A second plate member provided to face the first plate member;
Including one or more perforated plates provided with a plurality of openings, and disposed between the first plate member and the second plate member,
The first plate member and the perforated plate have different aperture ratios in the first plate member and the perforated plate, and are arranged from the sound source in the order of the first plate member, the perforated plate, and the second plate member, and away from the sound source. A sound-absorbing structure formed so that the aperture ratio of the first plate member and the perforated plate becomes smaller as the first plate member and the porous plate are opened. 前記音源から最も遠い位置に配置された前記多孔板は、その板厚をその前記開口部の孔径で除した値をｘとし、その前記開口部の前記開口率をｙとした場合に、ｙ≦０．００８６ｘ＋０．００７６の関係を満たすように形成されていることを特徴とする請求項１８記載の吸音構造体。 The perforated plate disposed at a position farthest from the sound source is expressed as y ≦ when the value obtained by dividing the plate thickness by the hole diameter of the opening is x and the opening ratio of the opening is y. The sound absorbing structure according to claim 18 , wherein the sound absorbing structure is formed so as to satisfy a relationship of 0.0086x + 0.0076. 音減衰部材をさらに含み、
前記音減衰部材は、前記第１板部材と前記多孔板との間、多孔板の間、前記多孔板と前記第２板部材との間のうち少なくとも１箇所に配置されたことを特徴とする請求項１８または請求項１９に記載の吸音構造体。 A sound attenuating member;
The sound attenuating member is disposed at least at one position between the first plate member and the perforated plate, between the perforated plate, and between the perforated plate and the second plate member. The sound absorbing structure according to claim 18 or 19 . 前記開口部は小孔からなることを特徴とする請求項１８から請求項２０のいずれか１項に記載の吸音構造体。 The sound absorbing structure according to any one of claims 18 to 20 , wherein the opening includes a small hole. 前記多孔板は、アルミニウム部材からなることを特徴とする請求項１８から請求項２１のいずれか１項に記載の吸音構造体。 The sound absorbing structure according to any one of claims 18 to 21 , wherein the perforated plate is made of an aluminum member. 前記第１板部材および前記第２板部材は、アルミニウム部材からなることを特徴とする請求項１８から請求項２２のいずれか１項に記載の吸音構造体。 The sound absorbing structure according to any one of claims 18 to 22 , wherein the first plate member and the second plate member are made of an aluminum member. 前記開口部は、エンボス加工により形成されることを特徴とする請求項１８から請求項２３のいずれか１項に記載の吸音構造体。 The sound absorbing structure according to any one of claims 18 to 23 , wherein the opening is formed by embossing. 前記開口部は、パンチング加工により形成されることを特徴とする請求項１８から請求項２３のいずれか１項に記載の吸音構造体。 The sound absorbing structure according to any one of claims 18 to 23 , wherein the opening is formed by punching. 前記多孔板は、
減衰構造を有することを特徴とする請求項１８から請求項２５のいずれか１項に記載の吸音構造体。 The perforated plate is
The sound absorbing structure according to any one of claims 18 to 25 , wherein the sound absorbing structure has a damping structure. 前記多孔板は、
少なくとも２枚の多孔板を接触させて配置することを特徴とする請求項１８から請求項２６のいずれか１項に記載の吸音構造体。 The perforated plate is
Sound absorbing structure according to claims 18 to any one of claims 26, characterized in that is placed in contact with at least two perforated plates. 前記多孔板は、
制振性を有する板材からなることを特徴とする請求項１８から請求項２７のいずれか１項に記載の吸音構造体。 The perforated plate is
The sound absorbing structure according to any one of claims 18 to 27 , wherein the sound absorbing structure is made of a plate material having vibration damping properties.
JP2007274818A 2006-11-02 2007-10-23 Sound absorbing structure Active JP5308006B2 (en)

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Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5250310B2 (en) * 2008-05-30 2013-07-31 株式会社神戸製鋼所 Sound absorbing structure
JP5244510B2 (en) * 2008-09-05 2013-07-24 株式会社神戸製鋼所 Sound absorbing structure and sound absorbing structure
JP5155784B2 (en) * 2008-09-08 2013-03-06 株式会社神戸製鋼所 Sound absorbing structure
JP5531343B2 (en) * 2010-01-21 2014-06-25 神鋼建材工業株式会社 Partition panel
ITUD20100058A1 (en) * 2010-03-31 2011-10-01 Dft Making S R L ANTI-NOISE BARRIER AND PROCEDURE FOR ITS REALIZATION
KR101009991B1 (en) 2010-05-18 2011-01-21 주식회사 태창닛케이 Locally reacting panels for sound absorber
JP5537386B2 (en) 2010-11-09 2014-07-02 株式会社日立ハイテクノロジーズ Charged particle beam equipment
JP5866172B2 (en) * 2011-10-14 2016-02-17 株式会社神戸製鋼所 Translucent sound absorbing panel
JP5838106B2 (en) * 2012-03-13 2015-12-24 株式会社日立ハイテクノロジーズ Soundproof cover for charged particle beam device and charged particle beam device
JP6049007B2 (en) * 2012-07-11 2016-12-21 株式会社鐵工社ブル Sound absorption panel
TWI621758B (en) * 2012-07-30 2018-04-21 邱銘杰 Particle swarm method for optimizing sound absorbing panel structure
JP5961873B2 (en) * 2013-07-08 2016-08-02 株式会社神戸製鋼所 Sound absorption panel
JP6190291B2 (en) * 2014-03-06 2017-08-30 株式会社神戸製鋼所 Sound absorption panel
CN105427852A (en) * 2014-09-04 2016-03-23 北京市劳动保护科学研究所 Acoustic baffle
CN105469781A (en) * 2014-09-04 2016-04-06 北京市劳动保护科学研究所 Composite sound absorbing structure
BE1022593B1 (en) * 2015-04-02 2016-06-13 Van Eycken Metal Construction Noise barriers
KR101781266B1 (en) * 2015-09-30 2017-09-26 서울과학기술대학교 산학협력단 Railroad wheels noise barriers
JP6560593B2 (en) * 2015-11-05 2019-08-14 株式会社神戸製鋼所 Manufacturing method of fine porous plate
CN105350671B (en) * 2015-11-19 2017-12-29 嘉善鸿源蜂窝制品有限公司 Aluminum honeycomb fashion sound panel
KR101641125B1 (en) * 2015-12-23 2016-07-20 정영훈 Capable of tilting variable frequency · waterproof sound absorption panels
JP6607499B2 (en) * 2016-06-03 2019-11-20 東急建設株式会社 Sound insulation structure
JPWO2019039469A1 (en) * 2017-08-22 2020-10-15 富士フイルム株式会社 Soundproof structure and sound absorbing panel
KR101973022B1 (en) * 2017-09-13 2019-04-26 한국기계연구원 Sound absorbing cell and sound absorbing structure having the same
JP7006116B2 (en) * 2017-10-16 2022-02-10 セイコーエプソン株式会社 Sound absorbers and projectors
CN109396758A (en) * 2018-09-30 2019-03-01 浙江金盾风机装备有限公司 A kind of manufacture craft and silencing apparatus of array type silencer sound absorber
JP7227021B2 (en) * 2019-02-05 2023-02-21 東日本旅客鉄道株式会社 sound absorbing structure
CN110017266B (en) * 2019-04-04 2024-03-22 瑞安市乐登汽车部件有限公司 Pneumatic muffler
TWI752540B (en) * 2020-06-30 2022-01-11 國立成功大學 Sound absorption device
CN113704864B (en) * 2021-10-29 2022-02-08 恒林家居股份有限公司 Conference room sound insulation wall thickness calculation method and system
CN116290493A (en) * 2023-04-06 2023-06-23 北京建工集团有限责任公司 Noise reduction decorative wall of non-woven fabric composite perforated aluminum plate

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214348Y2 (en) * 1972-07-18 1977-03-31
JPS55108548A (en) * 1979-02-15 1980-08-20 Matsushita Electric Works Ltd Sounddinsulating wall
JPS583851Y2 (en) * 1979-11-09 1983-01-22 勝之 中尾 Soundproof and dustproof wall structure
JPS5932606B2 (en) * 1980-04-02 1984-08-09 ジエ・テ・エム・バテイマン・エ・トラボウ・ピブリツク（ジエテエムベテペ） acoustic absorption wall
JPH02212895A (en) * 1989-02-14 1990-08-24 Kobe Steel Ltd Sound absorber and sound absorbing structure
JP3620570B2 (en) * 1998-10-14 2005-02-16 株式会社神戸製鋼所 Partition panel structure
JP3060098U (en) * 1998-10-29 1999-07-21 進來 林 Fireproof sound insulation board
JP2000170123A (en) * 1998-12-07 2000-06-20 Mitsubishi Electric Corp Sound absorbing panel and panel strengthening body used therefor
JP4019820B2 (en) * 2002-06-28 2007-12-12 日本軽金属株式会社 Sound absorbing structure
JP4291760B2 (en) * 2003-09-05 2009-07-08 株式会社神戸製鋼所 Sound absorbing structure and manufacturing method thereof
JP4567513B2 (en) * 2004-04-30 2010-10-20 株式会社神戸製鋼所 Porous sound absorbing structure

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