EP3706114A4 - Structure d'absorption sonore à couplage basse fréquence - Google Patents

Structure d'absorption sonore à couplage basse fréquence Download PDF

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Publication number
EP3706114A4
EP3706114A4 EP19884417.7A EP19884417A EP3706114A4 EP 3706114 A4 EP3706114 A4 EP 3706114A4 EP 19884417 A EP19884417 A EP 19884417A EP 3706114 A4 EP3706114 A4 EP 3706114A4
Authority
EP
European Patent Office
Prior art keywords
low
sound absorbing
absorbing structure
frequency coupling
coupling sound
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.)
Granted
Application number
EP19884417.7A
Other languages
German (de)
English (en)
Other versions
EP3706114B1 (fr
EP3706114A1 (fr
Inventor
Dengke LI
Zhongcheng JIANG
Biao YE
Xiaobo Liu
Xianfeng Wang
Jixiong JIANG
Bingbin GUO
Dafa JIANG
Wang Li
Jingjing Chen
Wenhui Yuan
Huadong DUAN
Li Zhou
Jun Zhang
Bo Zhang
Shiwen Chen
Guoyun LIU
Zhu SHI
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.)
CRRC Zhuzhou Locomotive Co Ltd
Original Assignee
CRRC Zhuzhou Locomotive Co Ltd
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.)
Filing date
Publication date
Application filed by CRRC Zhuzhou Locomotive Co Ltd filed Critical CRRC Zhuzhou Locomotive Co Ltd
Publication of EP3706114A1 publication Critical patent/EP3706114A1/fr
Publication of EP3706114A4 publication Critical patent/EP3706114A4/fr
Application granted granted Critical
Publication of EP3706114B1 publication Critical patent/EP3706114B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
EP19884417.7A 2018-11-15 2019-10-29 Structure d'absorption sonore à couplage basse fréquence Active EP3706114B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811359437.9A CN109147750A (zh) 2018-11-15 2018-11-15 一种低频耦合吸声结构
PCT/CN2019/113918 WO2020098477A1 (fr) 2018-11-15 2019-10-29 Structure d'absorption sonore à couplage basse fréquence

Publications (3)

Publication Number Publication Date
EP3706114A1 EP3706114A1 (fr) 2020-09-09
EP3706114A4 true EP3706114A4 (fr) 2021-07-28
EP3706114B1 EP3706114B1 (fr) 2023-05-31

Family

ID=64805809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19884417.7A Active EP3706114B1 (fr) 2018-11-15 2019-10-29 Structure d'absorption sonore à couplage basse fréquence

Country Status (3)

Country Link
EP (1) EP3706114B1 (fr)
CN (1) CN109147750A (fr)
WO (1) WO2020098477A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109147750A (zh) * 2018-11-15 2019-01-04 中车株洲电力机车有限公司 一种低频耦合吸声结构
CN110085205B (zh) * 2019-04-26 2022-10-25 江苏师范大学 最大化平均吸声系数的微穿孔板吸声体设计方法
CN110189736B (zh) * 2019-05-09 2022-11-04 江苏师范大学 最大化超阈值采样点数的双层串联微穿孔板结构设计方法
US20200388265A1 (en) * 2019-06-10 2020-12-10 Toyota Motor Engineering & Manufacturing North America, Inc. Sound isolation device
CN110397505A (zh) * 2019-07-11 2019-11-01 上海交通大学 一种延长管型穿孔板蜂窝夹层吸声结构
CN110517659B (zh) * 2019-08-20 2022-07-12 西安交通大学 一种多单元耦合式微穿孔板低频宽带吸声结构及其设计方法
CN110763085A (zh) * 2019-09-17 2020-02-07 南京航空航天大学 一种微穿孔正交排布矩形管夹芯吸声吸能复合结构
CN110626364B (zh) * 2019-09-24 2021-10-22 中车株洲电力机车有限公司 一种轨道车辆冷却系统隔声结构及其制作方法
CN111105774A (zh) * 2019-10-29 2020-05-05 同济大学 亥姆霍兹共振器及基于其的低频宽带吸声降噪结构
CN111270621B (zh) * 2019-12-04 2021-09-28 华东交通大学 一种新型二维声子晶体声屏障结构
CN111926933B (zh) * 2019-12-24 2021-06-15 南京林业大学 一种基于亥姆霍兹共鸣器的可调频吸声板
CN111739500B (zh) * 2020-06-01 2023-07-25 南京航空航天大学 阻尼层修饰的穿孔夹层板水下宽带吸声结构
CN111816151A (zh) * 2020-08-05 2020-10-23 南昌航空大学 一种可调背腔高度的双层蜂窝-微穿孔结构及其设计方法
CN112185326B (zh) * 2020-08-25 2024-05-24 西安交通大学 一种双螺旋耦合水下吸声超表面结构
CN112509544A (zh) * 2020-11-06 2021-03-16 北京朗新明环保科技有限公司 一种轻质金属低频降噪结构
CN112487562B (zh) * 2020-12-14 2024-05-07 西安交通大学 一种基于二次剩余序列的宽频吸声结构设计方法
WO2023028813A1 (fr) * 2021-08-31 2023-03-09 大连理工大学 Absorbeur acoustique à large bande à batterie de filtres passe-bas
CN114139411B (zh) * 2021-10-19 2024-04-02 西安交通大学 一种通过软材料增强低频宽带吸声性能的方法
CN114855660A (zh) * 2022-06-01 2022-08-05 重庆交通大学 一种声子晶体吸声体、声屏障及使用安装方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2005384A (en) * 1977-10-04 1979-04-19 Rolls Royce Multi-layer acoustic lining
US4600078A (en) * 1983-12-12 1986-07-15 Lockheed Corporation Sound barrier
EP2487677A1 (fr) * 2010-01-08 2012-08-15 Institute Of Acoustics, Chinese Academy Of Science Dispositif d'absorption des sons composite comprenant une cavité résonnante incorporée
US20130186707A1 (en) * 2011-12-13 2013-07-25 Rolls-Royce Deutschland Ltd & Co Kg Unknown
CN103700366A (zh) * 2013-12-24 2014-04-02 江苏大学 复合共振腔的机械阻抗与微穿孔板结合的宽频吸声结构
CN107437411A (zh) * 2016-05-27 2017-12-05 北京市劳动保护科学研究所 一种低频复合吸声装置
CN107514066A (zh) * 2016-06-16 2017-12-26 中国科学院声学研究所 一种基于延长管共振结构的轻质低频隔声装置

Family Cites Families (13)

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US3734234A (en) * 1971-11-08 1973-05-22 Lockheed Aircraft Corp Sound absorption structure
US3819007A (en) * 1973-04-27 1974-06-25 Lockheed Aircraft Corp Controllable laminar sound absorptive structure
GB1470036A (en) * 1975-01-17 1977-04-14 Lockheed Aircraft Corp Dual range sound absorber
JP2555832B2 (ja) * 1992-05-01 1996-11-20 日東紡績株式会社 吸音体
US6069840A (en) * 1999-02-18 2000-05-30 The United States Of America As Represented By The Secretary Of The Air Force Mechanically coupled helmholtz resonators for broadband acoustic attenuation
JP2008233793A (ja) * 2007-03-23 2008-10-02 Yamaha Corp 多孔板吸音体及びその製造方法
CN101645263B (zh) * 2009-02-27 2011-05-11 中国科学院声学研究所 一种管束穿孔板复合共振吸声装置
CN201622837U (zh) * 2010-01-08 2010-11-03 中国科学院声学研究所 一种多腔复合吸声装置
JP2013250501A (ja) * 2012-06-04 2013-12-12 Three M Innovative Properties Co 吸音ボード
JP6092658B2 (ja) * 2013-02-27 2017-03-08 大成建設株式会社 共鳴型吸音体
CN108399911B (zh) * 2017-02-06 2024-03-22 北京市劳动保护科学研究所 一种低频宽带的通风散热隔声结构
CN107610688B (zh) * 2017-09-05 2024-04-26 同济大学 一种腔管复合隔声结构
CN109147750A (zh) * 2018-11-15 2019-01-04 中车株洲电力机车有限公司 一种低频耦合吸声结构

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2005384A (en) * 1977-10-04 1979-04-19 Rolls Royce Multi-layer acoustic lining
US4600078A (en) * 1983-12-12 1986-07-15 Lockheed Corporation Sound barrier
EP2487677A1 (fr) * 2010-01-08 2012-08-15 Institute Of Acoustics, Chinese Academy Of Science Dispositif d'absorption des sons composite comprenant une cavité résonnante incorporée
US20130186707A1 (en) * 2011-12-13 2013-07-25 Rolls-Royce Deutschland Ltd & Co Kg Unknown
CN103700366A (zh) * 2013-12-24 2014-04-02 江苏大学 复合共振腔的机械阻抗与微穿孔板结合的宽频吸声结构
CN107437411A (zh) * 2016-05-27 2017-12-05 北京市劳动保护科学研究所 一种低频复合吸声装置
CN107514066A (zh) * 2016-06-16 2017-12-26 中国科学院声学研究所 一种基于延长管共振结构的轻质低频隔声装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020098477A1 *

Also Published As

Publication number Publication date
CN109147750A (zh) 2019-01-04
WO2020098477A1 (fr) 2020-05-22
EP3706114B1 (fr) 2023-05-31
EP3706114A1 (fr) 2020-09-09

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