EP3706114A4 - Low-frequency coupling sound absorbing structure - Google Patents

Low-frequency coupling sound absorbing structure 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)
French (fr)
Other versions
EP3706114B1 (en
EP3706114A1 (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.)
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/en
Publication of EP3706114A4 publication Critical patent/EP3706114A4/en
Application granted granted Critical
Publication of EP3706114B1 publication Critical patent/EP3706114B1/en
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 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)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 Method for designing micropunch plate sound absorber with maximized 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 A kind of extension cast perforated plate honeycomb interlayer sound absorption 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
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
CN112185326B (en) * 2020-08-25 2024-05-24 西安交通大学 Double-screw coupling underwater sound absorption super-surface structure
CN112509544A (en) * 2020-11-06 2021-03-16 北京朗新明环保科技有限公司 Low-frequency noise reduction structure for light metal
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
WO2023028813A1 (en) * 2021-08-31 2023-03-09 大连理工大学 Low-pass acoustic filter bank broadband sound absorber
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

Citations (7)

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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

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 (en) * 1992-05-01 1996-11-20 日東紡績株式会社 Sound absorber
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 Multi-cavity composite sound absorber
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

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 (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)

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

Also Published As

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

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