EP1207716B1 - Pièce moulée pour la fixation du moteur d'un haut-parleur à diaphragm plat - Google Patents
Pièce moulée pour la fixation du moteur d'un haut-parleur à diaphragm plat Download PDFInfo
- Publication number
- EP1207716B1 EP1207716B1 EP01125046A EP01125046A EP1207716B1 EP 1207716 B1 EP1207716 B1 EP 1207716B1 EP 01125046 A EP01125046 A EP 01125046A EP 01125046 A EP01125046 A EP 01125046A EP 1207716 B1 EP1207716 B1 EP 1207716B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- outside
- moulding according
- jacket
- bridge
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/066—Loudspeakers using the principle of inertia
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
Definitions
- the invention relates to a molding according to the preamble of the main claim for holding an exciter, consisting of a sound-emitting membrane and an exciter, which has a coil and at least one magnetic system, as it is known from WO 98 34320 A2 is known.
- an exciter consisting of a sound-emitting membrane and an exciter, which has a coil and at least one magnetic system, as it is known from WO 98 34320 A2 is known.
- a current-carrying conductor In electro-dynamic speakers, the deflection of a current-carrying conductor is used in a magnetic field to move a sound-emitting membrane.
- a permanent magnet In this case, a permanent magnet is provided with an annular air gap in which a coil oscillates.
- the coil is now firmly attached to the sound-emitting surface, e.g. glued over a molding, and the mass of the now moving relative to the coil magnet system used to set the sound-emitting surface in vibration.
- an air gap is currently chosen so large that no mechanical contact is possible.
- the invention has therefore set itself the task of avoiding the wobble by a vibration of the transmission to the magnetic coil unit damping as possible suspension is created.
- a first region of the molded part which serves as an adhesive flange for connection to the sound surface, for example a flat loudspeaker panel, with an outer ring provided for locking one or more magnet systems.
- This outer ring is coupled in the selected embodiment arranged in two planes, not straight, but curved, thin bridge bridges coupled by their distributed over the radius arrangement between the rings and on the other their spacing in more than a distance from the sound surface provide for a cylindrical guidance of the magnet system, so that wobble vibrations are not transmitted to the voice coils.
- the assembly of the molding and the magnet system can be further simplified in that slots for receiving solder lugs or solder pins on the Receiving ring for receiving the magnet system can be provided.
- molding consists essentially of two rings 10, 16, the inner ring 10, which has an adhesive flange for connection to the sound-emitting membrane at the in the figure rearwardly facing inwardly projecting annular surface 12, and which is provided for receiving the voice coil, and the outer ring 16, which consists essentially only of a short cylinder jacket surface, and is provided with lugs 18, 20 on its inner side, which carry the magnet system.
- the webs 22 each extend in a plane parallel to the oscillating surface, so that the magnet system can use its flexibility perpendicular to this plane to its own movement and the excitation of the oscillating surface. You can, as in the figure, all in the same direction (clockwise outward in the figure) or in such a way that the webs of a group are aligned in opposite directions to those of the other group.
- vents 14 In its inner circumference to the - front in the figure, facing away from the sound membrane - side of the inner ring also has ventilation openings 14 which open to lying laterally adjacent to the adhesive flange areas of the sound surface. These vents 14 cool the coil, which is otherwise surrounded by the magnet system.
- each bridges bridge 22 is each two parallel spaced in two planes from the sound surface.
- the bridge bridges 22 are distributed in two groups each of turn three groups of two over the circumference, and the two groups are arranged at two different distances from the sound-emitting membrane, the provision of any number of distances is conceivable, and limited only by the manufacturing process.
- the molded part can also be produced in 3D lithography, or laser-cut from a glass fiber-reinforced plastic.
- a single bridging web 22 has a curved shape of at least two oppositely directed bends out of the straight extension, stiffer materials can also be used if longer webs are provided.
- the connection of a web 22 with the inner ring 10 and / or the outer ring 16 should be at an angle of less than 45 ° to the radius, ie initially approximately at right angles with respect to the web width enlarged cross-section to the vibration forces, which later also during operation Exciters arise to resist especially good.
- a damping disk 26 is highlighted hatched within the inner ring, which centers the necessary for damping the vibration surface portion located within the adhesive surface 12 mass as in the drawing but possibly also azentrisch at the desired location.
- This mass 26 can be glued, but can also be held only by the holding them webs in place. Additional felt material can be placed between them and the oscillating surface, or additional weights can be used on the back in special fits - not shown - fits.
- the assembly of the molded part and the magnet system can be further simplified in that slots 24 are provided for receiving solder lugs or solder pins on the outer ring 16 for receiving such prefabricated with the magnetic system elements.
- further eyelets for holding, for example, spiral spring elements can be provided, which additionally hold the magnet system against the membrane, and which also have a positive influence on the mechanical stress on the bridge webs 22.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Claims (8)
- Pièce moulée pour le support d'un exciter pour un haut-parleur à membrane plate, avec une bague intérieure (10) qui accueille une bobine et qui dispose d'un flasque de collage servant de connexion à la membrane qui produit le son, et une bague extérieure (16), liée à la bague intérieure (10) par plusieurs ponts (22) de forme courbée et servant à la fixation d'un ou plusieurs systèmes magnétiques,
en prévoyant au moins deux groupes de ponts (22) distribués sur la circonférence, avec les deux groupes étant disposés sur au moins deux niveaux ayant une distance différente par rapport au flasque de collage,
caractérisée par le fait que
les ponts (22) s'étendent de la surface intérieure de la bague extérieure (16) à la surface extérieure de la bague intérieure (10) et ont une forme ondoyante avec deux courbes, dirigées en sens opposé, sortant d'un étirement droit, avec la surface extérieure de la bague intérieure faisant face à la surface intérieure de la bague extérieure (16). - Pièce moulée selon la revendication 1, caractérisée par le fait que la bague intérieure (10) est pourvue d'une multitude d'ouvertures d'aération, ouvertes vers des zones situées à côté du flasque de collage, avec les ponts étant fixés sur la face externe de la surface extérieure.
- Pièce moulée selon une des revendications ci-dessus, caractérisée par le fait que les ponts (22) sont dans un plan parallèle au flasque de collage.
- Pièce moulée selon une des revendications ci-dessus, caractérisée par le fait que la liaison d'un pont (22) avec la bague intérieure et/ou la bague extérieure (16) s'effectue avec un angle inférieur à 45° par rapport au rayon.
- Pièce moulée selon une des revendications ci-dessus, caractérisée par le fait que la bague extérieure (16) présente des languettes-crochets (18) perpendiculairement au plan de la bague pour l'engrènement du système magnétique à fixer sur la bague extérieure.
- Pièce moulée selon la revendication 5, caractérisée par le fait que deux structures de centrage en forme de "L" sont disposées à côté de chaque languette-crochet (18) de la bague extérieure.
- Pièce moulée selon la revendication 5 ou 6, caractérisée par le fait que les languettes-crochets (18) et/ou les structures de centrage (28) font saillie de la surface intérieure de la bague extérieure (16) vers l'intérieur.
- Pièce moulée selon une des revendications ci-dessus, caractérisée par le fait que la bague extérieure (16) présente sur sa circonférence extérieure des cavités (24) pour l'insertion d'oeillets à souder et/ou de tiges à souder.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10053252A DE10053252C2 (de) | 2000-10-26 | 2000-10-26 | Formteil zur Halterung eines Exciters für einen Flachmembranlautsprecher |
DE10053252 | 2000-10-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1207716A2 EP1207716A2 (fr) | 2002-05-22 |
EP1207716A3 EP1207716A3 (fr) | 2006-10-18 |
EP1207716B1 true EP1207716B1 (fr) | 2011-07-06 |
Family
ID=7661226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01125046A Expired - Lifetime EP1207716B1 (fr) | 2000-10-26 | 2001-10-20 | Pièce moulée pour la fixation du moteur d'un haut-parleur à diaphragm plat |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1207716B1 (fr) |
AT (1) | ATE515894T1 (fr) |
DE (1) | DE10053252C2 (fr) |
ES (1) | ES2369197T3 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004001215B3 (de) * | 2004-01-06 | 2005-04-21 | Elac Electroacustic Gmbh | Wechselrahmen zur Halterung eines Exciters |
DE102006031433B4 (de) * | 2006-07-05 | 2011-06-22 | ELAC Electroacustic GmbH, 24113 | Exciter für Flächenmembranlautsprecher |
RU2456764C2 (ru) * | 2008-01-04 | 2012-07-20 | Эйрбас Оперэйшнз Гмбх | Осциллятор для плоского громкоговорителя, плоский громкоговоритель и транспортное средство, оснащенное таким громкоговорителем |
BRPI0821824A2 (pt) | 2008-01-04 | 2015-06-16 | Airbus Operations Gmbh | Oscilador para um alto-falante plano, alto-falante plano e veículo |
DE202010006188U1 (de) * | 2010-04-28 | 2011-03-03 | Elac Electroacustic Gmbh | Lautsprecher mit Aktuator und Dichtmembran |
EP3996387A1 (fr) * | 2020-11-09 | 2022-05-11 | Glass Acoustic Innovations Technology Co., Ltd. | Haut-parleur de diaphragme plat |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998034320A2 (fr) * | 1997-01-31 | 1998-08-06 | New Transducers Limited | Excitateur electrodynamique |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4235302A (en) * | 1977-03-15 | 1980-11-25 | Kenkichi Tsukamoto | Loudspeaker |
US5734132A (en) | 1996-07-19 | 1998-03-31 | Proni; Lucio | Concentric tube suspension system for loudspeakers |
MY140966A (en) * | 1999-03-03 | 2010-02-12 | Nec Tokin Corp | Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance |
-
2000
- 2000-10-26 DE DE10053252A patent/DE10053252C2/de not_active Revoked
-
2001
- 2001-10-20 AT AT01125046T patent/ATE515894T1/de active
- 2001-10-20 EP EP01125046A patent/EP1207716B1/fr not_active Expired - Lifetime
- 2001-10-20 ES ES01125046T patent/ES2369197T3/es not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998034320A2 (fr) * | 1997-01-31 | 1998-08-06 | New Transducers Limited | Excitateur electrodynamique |
Also Published As
Publication number | Publication date |
---|---|
DE10053252A1 (de) | 2002-03-14 |
EP1207716A2 (fr) | 2002-05-22 |
ES2369197T3 (es) | 2011-11-28 |
DE10053252C2 (de) | 2002-10-10 |
ATE515894T1 (de) | 2011-07-15 |
EP1207716A3 (fr) | 2006-10-18 |
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