KR20010091445A - 광대역 소음저감용 지능 패널 - Google Patents
광대역 소음저감용 지능 패널 Download PDFInfo
- Publication number
- KR20010091445A KR20010091445A KR1020000013149A KR20000013149A KR20010091445A KR 20010091445 A KR20010091445 A KR 20010091445A KR 1020000013149 A KR1020000013149 A KR 1020000013149A KR 20000013149 A KR20000013149 A KR 20000013149A KR 20010091445 A KR20010091445 A KR 20010091445A
- Authority
- KR
- South Korea
- Prior art keywords
- plate structure
- noise
- attached
- piezoelectric
- absorbing material
- Prior art date
Links
- 230000009467 reduction Effects 0.000 title claims description 6
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000011358 absorbing material Substances 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000000644 propagated effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 15
- 230000037431 insertion Effects 0.000 abstract description 15
- 230000003247 decreasing effect Effects 0.000 abstract 4
- 238000009413 insulation Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003190 viscoelastic substance Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims (6)
- 광대역 소음 저감용 지능패널에 있어서,가청 주파수 대역의 소음을 저감시키기 위한 판 구조물과,상기 판 구조물의 일측면에 부착되어 가청 주파수 대역의 소음을 저감시키는 흡음재와,상기 판 구조물에 부착되어 상기 판 구조물의 공진주파수와 동일한 가청 주파수가 전파될 때의 소음을 저감시키는 압전부들로 구성함을 특징으로 하는 광대역 소음 저감용 지능패널.
- 제1항에 있어서, 상기 압전부들은 상기 흡음재가 부착된 판 구조물의 배면에 부착되는 다수의 압전재들과, 상기 압전재들 각각에 연결되는 션트회로로 구성됨을 특징으로 하는 광대역 소음 저감용 지능패널.
- 제2항에 있어서, 상기 압전재들 각각은 소음저감효과를 최대화하도록 상기 판 구조물의 최대 변위를 발생하는 포인트(anti-nodal point)들에 부착됨을 특징으로 하는 광대역 소음 저감용 지능패널.
- 제2항에서, 상기 션트회로는 저항 및 인덕터 소자로 구성되어 상기 각 압전재의 전기적 임피던스를 전기적 공진이 되도록 튜닝되어짐을 특징으로 하는 광대역 소음 저감용 지능패널.
- 광대역 소음 저감용 지능패널에 있어서,가청 주파수 대역의 소음을 저감시키기 위한 판 구조물들과,마주보고 있는 상기 판 구조물들중 하나의 판 구조물 내측면에 부착되어 가청 주파수 대역의 소음을 저감시키는 흡음재와,상기 판 구조물에 부착되어 상기 판 구조물의 공진주파수와 동일한 가청 주파수가 전파될 때의 소음을 저감시키는 압전부들로 구성함을 특징으로 하는 광대역 소음 저감용 지능패널.
- 제5항에 있어서, 상기 흡음재는 대향면에 위치하는 판 구조막과의 사이에 공기층이 형성되어 있음을 특징으로 하는 광대역 소음 저감용 지능패널.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0013149A KR100399033B1 (ko) | 2000-03-15 | 2000-03-15 | 광대역 소음저감용 지능 패널 |
US09/805,304 US7068794B2 (en) | 2000-03-15 | 2001-03-12 | Smart panel for decreasing noise in wide band frequency |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0013149A KR100399033B1 (ko) | 2000-03-15 | 2000-03-15 | 광대역 소음저감용 지능 패널 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010091445A true KR20010091445A (ko) | 2001-10-23 |
KR100399033B1 KR100399033B1 (ko) | 2003-09-22 |
Family
ID=19655536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0013149A KR100399033B1 (ko) | 2000-03-15 | 2000-03-15 | 광대역 소음저감용 지능 패널 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7068794B2 (ko) |
KR (1) | KR100399033B1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100946703B1 (ko) * | 2008-06-30 | 2010-03-12 | 인하대학교 산학협력단 | 차량의 윈도우 소음 저감 장치 |
KR20220003245A (ko) * | 2020-07-01 | 2022-01-10 | 동의대학교 산학협력단 | Pra의 구조적 분리를 통해 전기 자동차의 소음을 저감시키는 장치 |
KR20220003681A (ko) * | 2020-07-01 | 2022-01-11 | 동의대학교 산학협력단 | 흡음판을 이용하여 pra의 소음을 저감시키는 장치 |
US20230032254A1 (en) * | 2021-07-23 | 2023-02-02 | Toyota Motor Engineering & Manufacturing North America, Inc. | Asymmetry sound absorbing system via shunted speakers |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020079683A (ko) * | 2002-09-18 | 2002-10-19 | 이출재 | 지반 진동 차단용 지능구조물 |
JP2004177419A (ja) * | 2002-11-22 | 2004-06-24 | Toshiba Corp | 能動回折音制御装置 |
DE102005022097A1 (de) * | 2005-05-12 | 2006-11-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Schwingungstilgung einer mechanischen Struktur |
JP5227263B2 (ja) * | 2008-06-03 | 2013-07-03 | パナソニック株式会社 | 能動騒音低減装置及びシステム |
US7705522B2 (en) * | 2008-06-06 | 2010-04-27 | Toyota Motor Engineering & Manufacturing North America, Inc. | Adjustable sound panel with electroactive actuators |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4158787A (en) * | 1978-05-08 | 1979-06-19 | Hughes Aircraft Company | Electromechanical transducer-coupled mechanical structure with negative capacitance compensation circuit |
JPH0546184A (ja) * | 1991-08-14 | 1993-02-26 | Matsushita Electric Works Ltd | 遮音パネル |
JPH05289678A (ja) * | 1992-04-10 | 1993-11-05 | Matsushita Electric Works Ltd | 遮音パネル |
US5355417A (en) * | 1992-10-21 | 1994-10-11 | The Center For Innovative Technology | Active control of aircraft engine inlet noise using compact sound sources and distributed error sensors |
US5485053A (en) * | 1993-10-15 | 1996-01-16 | Univ America Catholic | Method and device for active constrained layer damping for vibration and sound control |
US5783898A (en) * | 1996-02-26 | 1998-07-21 | Mcdonnell Douglas Corporation | Piezoelectric shunts for simultaneous vibration reduction and damping of multiple vibration modes |
GB2312972B (en) * | 1996-05-11 | 2000-02-09 | Marconi Gec Ltd | Vibration control |
US6102426A (en) * | 1997-02-07 | 2000-08-15 | Active Control Experts, Inc. | Adaptive sports implement with tuned damping |
US6193032B1 (en) * | 1998-03-02 | 2001-02-27 | The Penn State Research Foundation | Piezoceramic vibration control device and tuning control thereof |
US6563250B2 (en) * | 2001-09-07 | 2003-05-13 | The Boeing Co. | Piezoelectric damping system for reducing noise transmission through structures |
US6870303B2 (en) * | 2002-05-08 | 2005-03-22 | Pohang University Of Science And Technology Foundation | Multi-mode vibration damping device and method using negative capacitance shunt circuits |
-
2000
- 2000-03-15 KR KR10-2000-0013149A patent/KR100399033B1/ko active IP Right Grant
-
2001
- 2001-03-12 US US09/805,304 patent/US7068794B2/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100946703B1 (ko) * | 2008-06-30 | 2010-03-12 | 인하대학교 산학협력단 | 차량의 윈도우 소음 저감 장치 |
KR20220003245A (ko) * | 2020-07-01 | 2022-01-10 | 동의대학교 산학협력단 | Pra의 구조적 분리를 통해 전기 자동차의 소음을 저감시키는 장치 |
KR20220003681A (ko) * | 2020-07-01 | 2022-01-11 | 동의대학교 산학협력단 | 흡음판을 이용하여 pra의 소음을 저감시키는 장치 |
US20230032254A1 (en) * | 2021-07-23 | 2023-02-02 | Toyota Motor Engineering & Manufacturing North America, Inc. | Asymmetry sound absorbing system via shunted speakers |
US11812219B2 (en) * | 2021-07-23 | 2023-11-07 | Toyota Motor Engineering & Manufacturing North America, Inc. | Asymmetry sound absorbing system via shunted speakers |
Also Published As
Publication number | Publication date |
---|---|
US7068794B2 (en) | 2006-06-27 |
US20010022847A1 (en) | 2001-09-20 |
KR100399033B1 (ko) | 2003-09-22 |
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