JP2009041381A5 - - Google Patents

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Publication number
JP2009041381A5
JP2009041381A5 JP2007204936A JP2007204936A JP2009041381A5 JP 2009041381 A5 JP2009041381 A5 JP 2009041381A5 JP 2007204936 A JP2007204936 A JP 2007204936A JP 2007204936 A JP2007204936 A JP 2007204936A JP 2009041381 A5 JP2009041381 A5 JP 2009041381A5
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JP
Japan
Prior art keywords
sound
vehicle
hole
acoustic device
boundary wall
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JP2007204936A
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Japanese (ja)
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JP2009041381A (en
JP5181568B2 (en
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Priority to JP2007204936A priority Critical patent/JP5181568B2/en
Priority claimed from JP2007204936A external-priority patent/JP5181568B2/en
Publication of JP2009041381A publication Critical patent/JP2009041381A/en
Publication of JP2009041381A5 publication Critical patent/JP2009041381A5/ja
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Publication of JP5181568B2 publication Critical patent/JP5181568B2/en
Expired - Fee Related legal-status Critical Current
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Claims (11)

エンジンルームと車室とを隔てる境界壁に孔を設け、前記エンジンルーム内のサージタンクと前記境界壁との間に、前記サージタンクの表面から放射される音を前記境界壁の孔の近傍に集める集音装置を設けたことを特徴とする車両内音響装置。   A hole is provided in the boundary wall separating the engine room and the vehicle compartment, and the sound radiated from the surface of the surge tank is placed between the surge tank in the engine room and the boundary wall in the vicinity of the hole in the boundary wall. An in-vehicle acoustic device comprising a sound collecting device for collecting. 前記境界壁は車両のダッシュパネルであり、前記集音装置内に前記ダッシュパネルの孔に導入する音の音質を調整するレゾネータを設けたことを特徴とする請求項１に記載の車両内音響装置。The in-vehicle acoustic device according to claim 1, wherein the boundary wall is a dash panel of a vehicle, and a resonator for adjusting a sound quality of sound introduced into a hole of the dash panel is provided in the sound collecting device. . 前記集音装置と前記レゾネータとを一体化し、取り替え可能なユニットとして構成したことを特徴とする請求項２に記載の車両内音響装置。The in-vehicle acoustic device according to claim 2, wherein the sound collecting device and the resonator are integrated and configured as a replaceable unit. 音の出入り口となる音孔を持った中空の箱状に形成された第１および第２の前記レゾネータを備え、第１の前記レゾネータと第２の前記レゾネータは、前記サージタンクから前記境界壁の孔に至る音響伝搬経路を各々の間に挟み、かつ各々の音孔が互いに対向するように配置されていることを特徴とする請求項２または３に記載の車両内音響装置。The first and second resonators are formed in a hollow box shape having a sound hole serving as a sound entrance and exit, and the first resonator and the second resonator are connected to the boundary wall from the surge tank. The in-vehicle acoustic device according to claim 2 or 3, wherein an acoustic propagation path to the hole is sandwiched between the sound holes and the sound holes are arranged to face each other. 車両の上方のカウル内に音質調整用の共鳴管を収容するとともに、前記集音装置内において前記境界壁の孔の近傍に集まる音を前記共鳴管に案内し、前記共鳴管による音質調整のなされた音を前記カウルに設けられた孔を介して前記車室に導入するように構成したことを特徴とする請求項１〜４の何れか１の請求項に記載の車両内音響装置。A resonance tube for adjusting the sound quality is housed in a cowl above the vehicle, and the sound collected near the hole in the boundary wall in the sound collecting device is guided to the resonance tube, and the sound quality is adjusted by the resonance tube. The in-vehicle acoustic device according to any one of claims 1 to 4, wherein the sound is introduced into the passenger compartment through a hole provided in the cowl. 第１および第２の前記共鳴管を備え、第１の前記共鳴管と第２の前記共鳴管は、前記サージタンクから前記境界壁の孔に至る音響伝搬経路を各々の間に挟み、かつ各々における音の入り口である開口端が互い対向するように配置されていることを特徴とする請求項５に記載の車両内音響装置。First and second resonance tubes, the first resonance tube and the second resonance tube each sandwiching an acoustic propagation path from the surge tank to the hole in the boundary wall, and each The in-vehicle acoustic device according to claim 5, wherein opening ends that are sound entrances are arranged so as to face each other. 前記車室内へ音を導入する孔を薄膜により塞いだことを特徴とする請求項１〜６のいずれか１の請求項に記載の車両内音響装置。The in-vehicle acoustic device according to any one of claims 1 to 6, wherein a hole for introducing sound into the vehicle interior is closed with a thin film. 前記薄膜は取替え可能であることを特徴とする請求項７に記載の車両内音響装置。The in-vehicle acoustic device according to claim 7, wherein the thin film is replaceable. 前記車室に導入される音の経路に高域成分を減衰させる吸音部を設けたことを特徴とする請求項１〜８の何れか１の請求項に記載の車両内音響装置。The in-vehicle acoustic device according to any one of claims 1 to 8, wherein a sound absorbing portion for attenuating a high frequency component is provided in a sound path introduced into the vehicle interior. 前記車室に導入される音の経路に高域成分を減衰させる吸音部と前記集音装置と前記レゾネータとを一体化し、取り替え可能なユニットとして構成したことを特徴とする請求項２に記載の車両内音響装置。The sound absorbing part for attenuating a high frequency component in the sound path introduced into the passenger compartment, the sound collecting device, and the resonator are integrated and configured as a replaceable unit. In-vehicle acoustic device. 前記集音装置は、前記サージタンクと前記境界壁との間に閉じた空間を形成する壁を有しているとともに、前記サージタンクから前記境界壁の孔に近づくにしたがって断面積が小さくなる形状に形成されていることを特徴とする請求項１〜１０の何れか１の請求項に記載の車両内音響装置。The sound collector has a wall that forms a closed space between the surge tank and the boundary wall, and has a shape in which a cross-sectional area decreases as the hole approaches the boundary wall from the surge tank. The in-vehicle acoustic device according to claim 1, wherein the in-vehicle acoustic device is formed.
JP2007204936A 2007-08-07 2007-08-07 In-vehicle acoustic device Expired - Fee Related JP5181568B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007204936A JP5181568B2 (en) 2007-08-07 2007-08-07 In-vehicle acoustic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007204936A JP5181568B2 (en) 2007-08-07 2007-08-07 In-vehicle acoustic device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2012220612A Division JP5614437B2 (en) 2012-10-02 2012-10-02 In-vehicle acoustic device

Publications (3)

Publication Number Publication Date
JP2009041381A JP2009041381A (en) 2009-02-26
JP2009041381A5 true JP2009041381A5 (en) 2010-09-24
JP5181568B2 JP5181568B2 (en) 2013-04-10

Family

ID=40442393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007204936A Expired - Fee Related JP5181568B2 (en) 2007-08-07 2007-08-07 In-vehicle acoustic device

Country Status (1)

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JP (1) JP5181568B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5707721B2 (en) 2009-04-21 2015-04-30 ヤマハ株式会社 Transmission sound control device
JP5238661B2 (en) * 2009-09-25 2013-07-17 トヨタ自動車株式会社 Vehicle acoustic device
US8127888B1 (en) * 2011-02-02 2012-03-06 Mann + Hummel, GmbH Engine sound distribution apparatus for a motor vehicle
US8915538B2 (en) 2012-10-04 2014-12-23 U.S. Farathane Corporation Two shot double inverted acoustic hood to cowl seal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08100725A (en) * 1994-09-29 1996-04-16 Toyota Motor Corp Air intake structure for internal combustion engine
JP4328181B2 (en) * 2003-11-06 2009-09-09 株式会社マーレ フィルターシステムズ Sound quality control device for internal combustion engine
JP4555133B2 (en) * 2005-03-29 2010-09-29 富士重工業株式会社 Engine intake sound introduction structure

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