EP3477629B1 - Système de haut-parleur et structure de véhicule comprenant un tel système de haut-parleur - Google Patents

Système de haut-parleur et structure de véhicule comprenant un tel système de haut-parleur Download PDF

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Publication number
EP3477629B1
EP3477629B1 EP17199171.4A EP17199171A EP3477629B1 EP 3477629 B1 EP3477629 B1 EP 3477629B1 EP 17199171 A EP17199171 A EP 17199171A EP 3477629 B1 EP3477629 B1 EP 3477629B1
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EP
European Patent Office
Prior art keywords
vehicle
diaphragm
cavity
housing
space
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.)
Active
Application number
EP17199171.4A
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German (de)
English (en)
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EP3477629A1 (fr
Inventor
Alexander Bauer
Cengiz Kizilbagli
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.)
Alpine Electronics Inc
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Alpine Electronics Inc
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Publication date
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Priority to EP17199171.4A priority Critical patent/EP3477629B1/fr
Publication of EP3477629A1 publication Critical patent/EP3477629A1/fr
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Publication of EP3477629B1 publication Critical patent/EP3477629B1/fr
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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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • 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
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2873—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Claims (9)

  1. Système de haut-parleur (10) destiné à un véhicule, qui comprend :
    un dispositif (20) faisant office de haut-parleur qui comprend une commande (23), un boîtier (40) et un diaphragme (22), et qui est configuré pour émettre un son avant à partir d'un premier côté du diaphragme (22) dans la direction d'un espace interne (IS) du véhicule ; dans lequel le boîtier (40) entoure au moins une partie d'un espace arrière (26) du diaphragme (22) qui est orienté dans la direction d'un deuxième côté du diaphragme (22) opposé au premier côté ;
    une voie de communication (24) réalisée au sein du boîtier (40) à l'intervention d'au moins une chambre (41) qui est mise en communication avec l'espace arrière (26) du diaphragme (22) et qui comprend une première borne qui est accouplée à l'espace arrière (26) du diaphragme et une deuxième borne (25) qui est conçue pour être accouplée à une ouverture (50) d'un panneau de séparation (30) qui isole l'espace interne (IS) par rapport à un espace externe (OS) du véhicule à des fins de communication d'un son arrière qui est émis à partir du deuxième côté du diaphragme (22) dans la direction de l'espace externe (OS) du véhicule ; et
    un résonateur de Helmholtz, qui est configuré pour atténuer ou pour absorber au moins une fréquence sonore qui est supérieure à une plage de travail du dispositif faisant office de haut-parleur, est incorporé dans le boîtier (40) et comprend au moins une cavité (27) et au moins un raccord (28) ; dans lequel ladite au moins une cavité (27) est accouplée à ladite au moins une chambre (41) par l'intermédiaire dudit au moins un raccord (28) ;
    caractérisé en ce que ladite au moins une chambre (41) et ladite au moins une cavité (27) sont conçues d'une manière telle que ladite au moins une cavité (27) entoure ladite au moins une chambre (41) et ladite au moins une chambre (41) et ladite au moins une cavité (27) sont disposées en position concentrique par rapport au diaphragme (22).
  2. Système de haut-parleur destiné à un véhicule selon la revendication 1, dans lequel le dispositif (20) faisant office de haut-parleur comprend en outre un cadre (21) qui supporte le diaphragme (22), et ladite au moins une cavité (27) est fixée à au moins une partie (21-1, 21-2) du cadre (21) d'une manière telle que ladite au moins une partie (21-1, 21-2) du cadre (21) forme au moins une paroi latérale de ladite au moins une cavité (27).
  3. Système de haut-parleur destiné à un véhicule selon la revendication 2, dans lequel ladite au moins une partie du cadre (21) comprend deux ergots (21-1, 21-2) qui sont opposés en direction diamétrale, et ladite au moins une cavité (27) est conçue pour s'étendre sur la distance qui sépare entre les deux ergots (21-1, 21-2) qui sont opposés en direction diamétrale.
  4. Système de haut-parleur destiné à un véhicule selon l'une quelconque des revendications 1 à 3, dans lequel le diaphragme (22) présente une configuration en forme de cône et est supportée par une portion circonférentielle externe d'un cadre (21) ; dans lequel le côté concave du diaphragme (22) forme le deuxième côté du diaphragme.
  5. Système de haut-parleur destiné à un véhicule selon l'une quelconque des revendications 1 à 4, dans lequel le dispositif (20) faisant office de haut-parleur est configuré d'une manière telle que le diaphragme (22) vibre à une fréquence qui se situe dans une plage de très basses fréquences.
  6. Système de haut-parleur destiné à un véhicule selon l'une quelconque des revendications 1 à 5, dans lequel le résonateur de Helmholtz (27, 28) est configuré pour atténuer ou pour absorber au moins une fréquence sonore qui est émise à partir des roues du véhicule au cours de la conduite de ce dernier.
  7. Structure de véhicule (1) qui comprend :
    un panneau de séparation (30) qui sépare l'espace interne (IS) par rapport à un espace externe (OS) du véhicule ;
    une ouverture (50) qui est pratiquée dans le panneau de séparation (30) ; et
    un système de haut-parleur (10) destiné à un véhicule conformément à l'une quelconque des revendications précédentes ;
    dans lequel la deuxième borne de la voie de communication (24) est accouplée à l'ouverture (50) du panneau de séparation (30).
  8. Structure de véhicule selon la revendication 7, dans laquelle le panneau de séparation (30) forme une portion d'une carrosserie de véhicule faisant office de revêtement externe.
  9. Véhicule qui comprend une structure de véhicule (1) selon l'une quelconque des revendications 7 et 8.
EP17199171.4A 2017-10-30 2017-10-30 Système de haut-parleur et structure de véhicule comprenant un tel système de haut-parleur Active EP3477629B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17199171.4A EP3477629B1 (fr) 2017-10-30 2017-10-30 Système de haut-parleur et structure de véhicule comprenant un tel système de haut-parleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17199171.4A EP3477629B1 (fr) 2017-10-30 2017-10-30 Système de haut-parleur et structure de véhicule comprenant un tel système de haut-parleur

Publications (2)

Publication Number Publication Date
EP3477629A1 EP3477629A1 (fr) 2019-05-01
EP3477629B1 true EP3477629B1 (fr) 2021-12-01

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EP17199171.4A Active EP3477629B1 (fr) 2017-10-30 2017-10-30 Système de haut-parleur et structure de véhicule comprenant un tel système de haut-parleur

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021103844A (ja) * 2019-12-25 2021-07-15 ヤマハ株式会社 スピーカーおよび車両
CN111923843B (zh) * 2020-07-06 2021-12-14 瑞声新能源发展(常州)有限公司科教城分公司 汽车

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949163A (en) * 1957-05-06 1960-08-16 Soundolier Inc Loudspeaker baffle assembly
US3529691A (en) * 1969-05-27 1970-09-22 Fred A Wesemann Twin equilateral sound speaker enclosure
JPS63287296A (ja) * 1987-05-20 1988-11-24 Honda Motor Co Ltd 車載用スピ−カ装置
DE19804737A1 (de) 1998-02-06 1999-08-12 Bayerische Motoren Werke Ag Lautsprecher für Fahrzeuge
US7450733B2 (en) * 2004-01-23 2008-11-11 Creative Technology Ltd. Speaker with externally mounted acoustic extension
DE102012003769B3 (de) * 2012-02-24 2013-07-04 Audi Ag Lautsprechersystem für ein Kraftfahrzeug
JP5955079B2 (ja) * 2012-04-25 2016-07-20 アルパイン株式会社 スピーカ装置
EP2941011B1 (fr) 2014-04-29 2018-11-14 Alpine Electronics, Inc. Structure d'installation de véhicule comprenant un système de haut-parleur à fixer sur un panneau de véhicule

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