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

Structure d'absorption sonore à couplage basse fréquence Download PDF

Info

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
EP3706114A1 (fr
EP3706114B1 (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

Links

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 (18)

* 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
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
US20230215411A1 (en) * 2021-08-31 2023-07-06 Dalian University Of Technology A type of acoustic absorber composed of a micro-perforated plate and a set of acoustic filters
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP3706114A1 (fr) 2020-09-09
CN109147750A (zh) 2019-01-04
WO2020098477A1 (fr) 2020-05-22
EP3706114B1 (fr) 2023-05-31

Similar Documents

Publication Publication Date Title
EP3706114A4 (fr) Structure d'absorption sonore à couplage basse fréquence
EP3261548A4 (fr) Agents de couplage pour l'émission de signaux acoustiques et milieux de couplage
EP3830404A4 (fr) Silencieux acoustique sélectif transparent à l'air utilisant un métamatériau ultra-ouvert
EP3637797A4 (fr) Dispositif de production de son
EP3783601A4 (fr) Structure d'insonorisation
EP3761304A4 (fr) Structure d'insonorisation
EP3283028A4 (fr) Atténuation du bruit
EP3764659B8 (fr) Dispositif de production sonore
EP3571050A4 (fr) Vitrage symétrique pour une atténuation sonore améliorée
EP4083995A4 (fr) Structure d'insonorisation
EP3763521A4 (fr) Élément d'absorption acoustique stratifié
EP3909261A4 (fr) Dispositifs acoustiques
EP4046392A4 (fr) Système acoustique
EP3869497A4 (fr) Corps structural d'isolation acoustique
EP3853597A4 (fr) Amortissement acoustique pour dispositifs d'imagerie à ultrasons
EP3847825A4 (fr) Zoom acoustique
EP3714112A4 (fr) Support acoustique multicouche
GB2564750B (en) Acoustic attenuation structure
EP3878188A4 (fr) Transformateur acoustique pour casque d'écoute
EP3926621A4 (fr) Structure de réflexion sonore
EP3944229A4 (fr) Matériau absorbant acoustique stratifié
EP3754649A4 (fr) Guide d'ondes acoustique
EP3751557A4 (fr) Structure d'insonorisation
EP3761305A4 (fr) Structure d'insonorisation
EP3777242A4 (fr) Restitution spatiale de sons

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20200605

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref document number: 602019029649

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: G10K0011162000

Ipc: G10K0011172000

A4 Supplementary search report drawn up and despatched

Effective date: 20210628

RIC1 Information provided on ipc code assigned before grant

Ipc: G10K 11/172 20060101AFI20210622BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20230105

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1571431

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230615

Ref country code: DE

Ref legal event code: R096

Ref document number: 602019029649

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20230531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230831

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230930

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230901

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231002

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20231025

Year of fee payment: 5

REG Reference to a national code

Ref country code: AT

Ref legal event code: UEP

Ref document number: 1571431

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230531

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602019029649

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

26N No opposition filed

Effective date: 20240301

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230531

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231029

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20231029