JP6913108B2 - アクティブノイズキャンセルシステムおよび装置 - Google Patents
アクティブノイズキャンセルシステムおよび装置 Download PDFInfo
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- JP6913108B2 JP6913108B2 JP2018555568A JP2018555568A JP6913108B2 JP 6913108 B2 JP6913108 B2 JP 6913108B2 JP 2018555568 A JP2018555568 A JP 2018555568A JP 2018555568 A JP2018555568 A JP 2018555568A JP 6913108 B2 JP6913108 B2 JP 6913108B2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
- F01N1/065—Silencing apparatus characterised by method of silencing by using interference effect by using an active noise source, e.g. speakers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/045—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for noise suppression
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- 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
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17857—Geometric disposition, e.g. placement of microphones
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- 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
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
-
- 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
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
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- 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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
- G10K2210/1082—Microphones, e.g. systems using "virtual" 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3055—Transfer function of the acoustic system
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
4 吸気口
6 排気口
10 ガスタービンエンジンシステム、システム
12 ガスタービンエンジン
16 燃焼吸気セクション
17 換気吸入セクション
18 圧縮機、圧縮機セクション
20 燃焼器セクション
22 タービン
24 燃焼排気セクション
25 換気排気セクション
26 シャフト
27 燃焼器
28 燃焼器ハウジング
29 ダクト
30 アクティブノイズキャンセル装置
31 プレフィルタアクティブノイズキャンセル装置
32 ハウジング
33 フードアクティブノイズキャンセル装置
34 エアフィルタ
36 ファスナ
38 フロントエンド
40 内側部分
42 内部領域
44 コア
46 導波管
48 スピーカ、フロントスピーカ
50 制御ボード
52 マイクロフォン
53 区画
55 流路孔
60 フィルタハウス
64 空気
66 プレフィルタ室
68 ウェザーフード
70 ノイズ
Claims (12)
- ハウジング(32)と、
前記ハウジング(32)内に固定されるように構成されたコア(44)であって、
音響信号を検出するように構成されたマイクロフォン(52)と、
前記音響信号及び一組の伝達関数に基づいてノイズキャンセル音響信号を生成するように構成された制御ボード(50)と、
前記ノイズキャンセル音響信号を出力するように構成されたスピーカ(48)と
を含む、コア(44)と、
前記ハウジング(32)を、発電ユニットのガスタービンエンジン(12)のエンクロージャ(2)の吸気口(4)のフィルタハウス(60)内の流路孔(55)に挿入されたエアフィルタ(34)に接続するように構成されたファスナ(36)と
を含む、装置。 - 前記ハウジング(32)が、内部領域(42)を画成する内側部分(40)を含んでおり、当該デバイスが、前記コア(44)の発泡体構造を前記ハウジングの内部領域(40)に取り付ける複数の導波管(46)をさらに備えていて、導波管(46)の数が、特定の音調ノイズ又はノイズ周波数の範囲を制御又は低減するように選択される、請求項1に記載の装置。
- 第2のファスナ(36)は、前記エアフィルタ(34)を前記ハウジング(32)から解放可能に取り外すように構成されている、請求項1又は請求項2に記載の装置。
- 前記ハウジング(32)は、前記ハウジング(32)と前記エアフィルタ(34)とを含む一体化された構成要素を生成するように構成された前記第2のファスナ(36)を含む、請求項3に記載の装置。
- 前記制御ボード(50)は、前記装置の位置について前記一組の伝達関数にプログラムされた位置特有の特性に基づいて前記ノイズキャンセル音響信号を生成するように構成される、請求項1乃至請求項4のいずれか1項に記載の装置。
- 発電ユニット内で使用するための空気入口を含むシステム(10)であって、前記空気入口が、前記発電ユニットのガスタービンエンジン(12)のエンクロージャ(2)の吸気口(4)のフィルタハウス(60)であって、複数の流路孔(55)を含むフィルタハウス(60)と、前記複数の流路孔(55)に挿入された複数のエアフィルタ(34)とを備えており、当該システム(10)が、
複数のモジュラアクティブノイズキャンセル装置であって、前記複数のモジュラアクティブノイズキャンセル装置のうちの各モジュラアクティブノイズキャンセル装置が、前記複数のエアフィルタ(34)のうちの対応するエアフィルタに結合されており、前記複数のモジュラアクティブノイズキャンセル装置のうちの各モジュラアクティブノイズキャンセル装置が、
ハウジング(32)と、
音響信号を検出するように構成されたマイクロフォン(52)を含み、前記ハウジング(32)内に固定されるように構成されたコア(44)と、
前記ハウジング(32)を、前記複数のエアフィルタ(34)のうちの対応するエアフィルタ(34)に接続するように構成されたファスナ(36)と、
ノイズキャンセル音響信号を出力するように構成されたスピーカ(48)と
を含む、複数のモジュラアクティブノイズキャンセル装置(30)と、
前記複数のモジュラアクティブノイズキャンセル装置の前記マイクロフォン(52)によって検出された前記音響信号と一組の伝達関数とに基づいてノイズキャンセル音響信号を生成するように構成された制御ボード(50)と
を含む、システム(10)。 - 前記空気入口は、ハウジング(32)と、ノイズキャンセル音響信号を出力するように構成されたスピーカ(48)とを含む1つ又は複数のスレーブノイズキャンセル装置を含む、請求項6に記載のシステム(10)。
- 前記制御ボード(50)は、少なくとも前記複数のモジュラアクティブノイズキャンセル装置の前記マイクロフォン(52)によって検出された前記音響信号と一組の伝達関数とに基づいて前記1つ又は複数のスレーブノイズキャンセル装置を制御するように構成される、請求項7に記載のシステム(10)。
- 前記空気入口は、ハウジングとノイズ減衰媒体とを含む1つ又は複数のノイズ減衰装置を含む、請求項6乃至請求項8のいずれか1項に記載のシステム(10)。
- 前記制御ボード(50)は、前記複数のモジュラアクティブノイズキャンセル装置のうちの各モジュラアクティブノイズキャンセル装置の位置について前記一組の伝達関数にプログラムされた位置特有の特性に基づいて前記ノイズキャンセル音響信号を生成するように構成され、前記1つ又は複数のノイズ減衰装置は、前記複数のモジュラアクティブノイズキャンセル装置の前記マイクロフォンによって検出された前記音響信号を減衰させるために、位置特有の特性に基づいて配置される、請求項9に記載のシステム(10)。
- 前記制御ボード(50)は、前記複数のモジュラアクティブノイズキャンセル装置のうちの各モジュラアクティブノイズキャンセル装置の位置について前記一組の伝達関数にプログラムされた位置特有の特性に基づいて前記ノイズキャンセル音響信号を生成するように構成される、請求項6乃至請求項10のいずれか1項に記載のシステム(10)。
- 前記複数の流路孔(55)のうちの1つは、前記エアフィルタ(34)のみを含む、請求項6乃至請求項11のいずれか1項に記載のシステム(10)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/PL2016/000044 WO2017183999A1 (en) | 2016-04-20 | 2016-04-20 | Active noise cancelation systems and devices |
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JP2019519802A JP2019519802A (ja) | 2019-07-11 |
JP6913108B2 true JP6913108B2 (ja) | 2021-08-04 |
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Country | Link |
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US (2) | US10184371B2 (ja) |
EP (1) | EP3446307B1 (ja) |
JP (1) | JP6913108B2 (ja) |
CN (1) | CN109478402B (ja) |
WO (1) | WO2017183999A1 (ja) |
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EP3392875A1 (en) | 2017-04-18 | 2018-10-24 | General Electric Company | Eletrical power generation with active noise cancellation in ventilation ducts |
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CN112392690A (zh) * | 2020-10-26 | 2021-02-23 | 杭州钱江制冷压缩机集团有限公司 | 一种压缩机消音器及压缩机 |
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IT202100027719A1 (it) * | 2021-10-28 | 2023-04-28 | Ask Ind Spa | Apparato per la riduzione del rumore generato da dispositivi di movimentazione o condizionamento d’aria, e veicolo comprendente un tale apparato |
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2016
- 2016-04-20 CN CN201680084801.8A patent/CN109478402B/zh active Active
- 2016-04-20 EP EP16730036.7A patent/EP3446307B1/en active Active
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EP3446307A1 (en) | 2019-02-27 |
JP2019519802A (ja) | 2019-07-11 |
CN109478402A (zh) | 2019-03-15 |
US20180094555A1 (en) | 2018-04-05 |
WO2017183999A1 (en) | 2017-10-26 |
US10184371B2 (en) | 2019-01-22 |
US10494969B2 (en) | 2019-12-03 |
EP3446307B1 (en) | 2022-03-23 |
CN109478402B (zh) | 2023-07-21 |
US20190136729A1 (en) | 2019-05-09 |
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