EP3706114A4 - SOUND ABSORBING STRUCTURE WITH LOW FREQUENCY COUPLING - Google Patents

SOUND ABSORBING STRUCTURE WITH LOW FREQUENCY COUPLING Download PDF

Info

Publication number: EP3706114A4
Authority: EP; European Patent Office
Prior art keywords: low frequency; sound absorbing; absorbing structure; frequency coupling; coupling
Prior art date: 2018-11-15
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)

French (fr)

Other versions

EP3706114A1 (en

EP3706114B1 (en

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.)

2018-11-15

Filing date

2019-10-29

Publication date

2021-07-28

2019-10-29 Application filed by CRRC Zhuzhou Locomotive Co Ltd filed Critical CRRC Zhuzhou Locomotive Co Ltd

2020-09-09 Publication of EP3706114A1 publication Critical patent/EP3706114A1/en

2021-07-28 Publication of EP3706114A4 publication Critical patent/EP3706114A4/en

2023-05-31 Application granted granted Critical

2023-05-31 Publication of EP3706114B1 publication Critical patent/EP3706114B1/en

Status Active legal-status Critical Current

2039-10-29 Anticipated expiration legal-status Critical

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 Low-frequency coupling sound absorbing structure Active EP3706114B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CN201811359437.9A CN109147750A (en)	2018-11-15	2018-11-15	A kind of low frequency coupling sound absorption structure
PCT/CN2019/113918 WO2020098477A1 (en)	2018-11-15	2019-10-29	Low-frequency coupling sound absorbing structure

Publications (3)

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

Family

ID=64805809

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19884417.7A Active EP3706114B1 (en)	2018-11-15	2019-10-29	Low-frequency coupling sound absorbing structure

Country Status (3)

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

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CN109147750A (en) *	2018-11-15	2019-01-04	中车株洲电力机车有限公司	A kind of low frequency coupling sound absorption structure
CN110085205B (en) *	2019-04-26	2022-10-25	江苏师范大学	Design method of micro-perforated plate sound absorber to maximize average sound absorption coefficient
CN110189736B (en) *	2019-05-09	2022-11-04	江苏师范大学	Design method of double-layer series micro-perforated plate structure for maximizing number of sampling points exceeding threshold value
US20200388265A1 (en) *	2019-06-10	2020-12-10	Toyota Motor Engineering & Manufacturing North America, Inc.	Sound isolation device
CN110397505A (en) *	2019-07-11	2019-11-01	上海交通大学	An extended tubular perforated board honeycomb sandwich sound-absorbing structure
CN110517659B (en) *	2019-08-20	2022-07-12	西安交通大学	Multi-unit coupling type micro-perforated plate low-frequency broadband sound absorption structure and design method thereof
CN110763085A (en) *	2019-09-17	2020-02-07	南京航空航天大学	Micro-perforated orthogonally-arranged rectangular tube sandwich sound absorption and energy absorption composite structure
CN110626364B (en) *	2019-09-24	2021-10-22	中车株洲电力机车有限公司	Sound insulation structure of cooling system of railway vehicle and manufacturing method of sound insulation structure
CN111105774A (en) *	2019-10-29	2020-05-05	同济大学	Helmholtz resonator and low-frequency broadband sound absorption and noise reduction structure based on same
CN111270621B (en) *	2019-12-04	2021-09-28	华东交通大学	Novel two-dimensional phononic crystal sound barrier structure
CN111926933B (en) *	2019-12-24	2021-06-15	南京林业大学	Frequency-adjustable sound absorption plate based on Helmholtz resonator
CN111256356A (en) *	2020-03-27	2020-06-09	江苏建筑职业技术学院	Spherical array impedance composite noise elimination structure
CN111739500B (en) *	2020-06-01	2023-07-25	南京航空航天大学	Perforated sandwich plate underwater broadband sound absorption structure decorated by damping layer
CN111816151B (en) *	2020-08-05	2024-11-08	南昌航空大学	A double-layer honeycomb-micro-perforated structure with adjustable back cavity height and design method thereof
CN112185326B (en) *	2020-08-25	2024-05-24	西安交通大学	Double-screw coupling underwater sound absorption super-surface structure
CN112382264B (en) *	2020-10-29	2024-10-18	上海超颖声学科技有限公司	Broadband sound absorption structure
CN112509544B (en) *	2020-11-06	2024-12-06	国能水务环保有限公司	A lightweight metal low-frequency noise reduction structure
CN112487562B (en) *	2020-12-14	2024-05-07	西安交通大学	Broadband sound absorption structure design method based on secondary residual sequence
CN114791114A (en) *	2021-01-26	2022-07-26	佛山市顺德区美的洗涤电器制造有限公司	Noise reduction assembly and range hood
CN113089516B (en) *	2021-05-08	2024-09-10	中海环境科技(上海）股份有限公司	Noise reduction structure at top end of sound barrier based on diffuser coupling microperforated panel
EP4174843B1 (en) *	2021-08-31	2024-07-31	Dalian University of Technology	Low-pass acoustic filter bank broadband sound absorber
CN113948056A (en) *	2021-09-28	2022-01-18	中国汽车技术研究中心有限公司	Sound-absorbing structure of vehicle laminate and its optimal design model
CN114139411B (en) *	2021-10-19	2024-04-02	西安交通大学	Method for enhancing low-frequency broadband sound absorption performance through soft material
CN114550682B (en) *	2022-02-22	2024-12-27	华中科技大学	A bidirectional low-frequency sound-absorbing metamaterial imitating bamboo shoot snail and its additive manufacturing method
CN114855660B (en) *	2022-06-01	2024-10-15	重庆交通大学	Phonon crystal sound absorber, sound barrier and using and installing method
CN118397994B (en) *	2024-06-27	2024-10-22	苏州国融前沿技术有限公司	Multi-mechanism coupling full-band acoustic metamaterial sound absorption module and sound elimination chamber thereof

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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 (en) *	2010-01-08	2012-08-15	Institute Of Acoustics, Chinese Academy Of Science	Compound sound absorption device with built-in resonant cavity
US20130186707A1 (en) *	2011-12-13	2013-07-25	Rolls-Royce Deutschland Ltd & Co Kg	Unknown
CN103700366A (en) *	2013-12-24	2014-04-02	江苏大学	Wideband sound absorption structure combing mechanical impedance of composite resonance cavities with micropunch plates
CN107437411A (en) *	2016-05-27	2017-12-05	北京市劳动保护科学研究所	A kind of low frequency composite sound absorbing device
CN107514066A (en) *	2016-06-16	2017-12-26	中国科学院声学研究所	A kind of lightweight sound insulation room device based on extension tube resonant structure

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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 (en) *	2007-03-23	2008-10-02	Yamaha Corp	Perforated plate sound absorbing body and method for manufacturing the same
CN101645263B (en) *	2009-02-27	2011-05-11	中国科学院声学研究所	Composite resonance sound absorption device of tube bundle perforated plate
CN201622837U (en) *	2010-01-08	2010-11-03	中国科学院声学研究所	A multi-cavity composite sound-absorbing device
JP2013250501A (en) *	2012-06-04	2013-12-12	Three M Innovative Properties Co	Sound absorbing board
JP6092658B2 (en) *	2013-02-27	2017-03-08	大成建設株式会社	Resonant sound absorber
CN108399911B (en) *	2017-02-06	2024-03-22	北京市劳动保护科学研究所	Ventilating, radiating and sound insulating structure of low-frequency broadband
CN107610688B (en) *	2017-09-05	2024-04-26	同济大学	Cavity tube composite sound insulation structure
CN109147750A (en) *	2018-11-15	2019-01-04	中车株洲电力机车有限公司	A kind of low frequency coupling sound absorption structure

2018
- 2018-11-15 CN CN201811359437.9A patent/CN109147750A/en active Pending
2019
- 2019-10-29 WO PCT/CN2019/113918 patent/WO2020098477A1/en unknown
- 2019-10-29 EP EP19884417.7A patent/EP3706114B1/en active Active

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* 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 (en) *	2010-01-08	2012-08-15	Institute Of Acoustics, Chinese Academy Of Science	Compound sound absorption device with built-in resonant cavity
US20130186707A1 (en) *	2011-12-13	2013-07-25	Rolls-Royce Deutschland Ltd & Co Kg	Unknown
CN103700366A (en) *	2013-12-24	2014-04-02	江苏大学	Wideband sound absorption structure combing mechanical impedance of composite resonance cavities with micropunch plates
CN107437411A (en) *	2016-05-27	2017-12-05	北京市劳动保护科学研究所	A kind of low frequency composite sound absorbing device
CN107514066A (en) *	2016-06-16	2017-12-26	中国科学院声学研究所	A kind of lightweight sound insulation room device based on extension tube resonant structure

Non-Patent Citations (1)

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Title
See also references of WO2020098477A1 *

Also Published As

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

Publication	Publication Date	Title
EP3706114A4 (en)	2021-07-28	SOUND ABSORBING STRUCTURE WITH LOW FREQUENCY COUPLING
EP3710877A4 (en)	2021-08-18	TRANSMITTER DEVICES WITH BRIDGE STRUCTURES
EP3890716A4 (en)	2022-12-21	COMBINATION THERAPIES
EP4034123A4 (en)	2023-11-01	COMBINATION THERAPIES
DE112019004093A5 (en)	2021-07-15	Protection tube with vibration reduction
EP3471313A4 (en)	2020-02-19	REFERENCE SIGNAL WITH VARIABLE STRUCTURE
EP3849534A4 (en)	2022-06-22	COMBINATION THERAPIES
DK3049587T3 (en)	2022-02-14	Underwater noise attenuation panel and resonator structure
EP3763521A4 (en)	2021-12-01	LAMINATED ACOUSTIC ABSORPTION ELEMENT
EP3839940A4 (en)	2021-10-06	SOUND ATTENUATION SYSTEM
EP3731976A4 (en)	2021-12-22	HIGH FREQUENCY ULTRASONIC CONVERTER
DK3849537T3 (en)	2025-01-20	COMBINATION THERAPIES
EP3788361A4 (en)	2022-01-19	DUAL FREQUENCY ULTRASONIC TRANSDUCER
DK3114678T3 (en)	2021-12-20	HIGH AND LOW FREQUENCY SOUND ABSORBING DEVICE
EP3966932A4 (en)	2023-05-10	ACOUSTIC RESONATOR DEVICE
FR3044813B1 (en)	2018-11-02	REFLECTOR ACOUSTIC METAMATERIAL
EP3841669A4 (en)	2022-05-25	ACOUSTIC RESONATOR
ES1275530Y (en)	2021-10-25	"Acoustically insulating panel"
EP3677824A4 (en)	2020-12-30	PIPE CONNECTION STRUCTURE
EP3909261A4 (en)	2022-10-12	ACOUSTIC DEVICES
EP3714112A4 (en)	2021-08-04	MULTI-LAYER ACOUSTIC MEDIUM
EP3753651A4 (en)	2021-12-15	MAGNETIC STRUCTURE
EP3926621A4 (en)	2022-03-23	SOUND REFLECTION STRUCTURE
EP3705802C0 (en)	2024-01-31	SOUND INSULATION ARRANGEMENT
EP3765171A4 (en)	2022-01-05	TURBINE WITH SUPER SOUND ISOLATION

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