WO2022129057A1 - Système de montage d'un transducteur sur un panneau de garnissage intérieur de véhicule automobile - Google Patents
Système de montage d'un transducteur sur un panneau de garnissage intérieur de véhicule automobile Download PDFInfo
- Publication number
- WO2022129057A1 WO2022129057A1 PCT/EP2021/085705 EP2021085705W WO2022129057A1 WO 2022129057 A1 WO2022129057 A1 WO 2022129057A1 EP 2021085705 W EP2021085705 W EP 2021085705W WO 2022129057 A1 WO2022129057 A1 WO 2022129057A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transducer
- track
- panel
- base
- reciprocal
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 6
- 239000002991 molded plastic Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
- H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels
-
- 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
Definitions
- the invention relates to a system for mounting a transducer on a motor vehicle interior trim panel, and a panel equipped with a transducer mounted by said system.
- the object of the invention is to propose a panel making it possible to reconcile these various requirements.
- the invention proposes a system for mounting a transducer on a motor vehicle interior trim panel, said system comprising:
- an interface made of molded plastic material for fixing said transducer said interface having: o a part for association with said transducer, o a fixing part on said base, said part being provided with a reciprocal thread intended to be screwed onto said thread, o a flexible collar defining a reciprocal track having in axial view a shape similar to that of said reception track, knowing that said reception track is inscribed in a substantially flattened frustoconical shape defined so that:
- said reciprocal track deforms to take surface support on said receiving track and to match its shape, in order to allow optimized transmission of vibrations from said transducer to said panel.
- the transducer is easily removable from the panel, unlike embodiments where said transducer is attached to said panel, for example by screwing or gluing.
- FIG.1 is a schematic semi-exploded perspective view, according to one embodiment, of a transducer provided with an interface and a base,
- FIG.2 shows the elements of figure 1 in detailed section, the interface being brought into contact with the base before screwing
- FIG.3a is similar to Figure 2 in simplified view
- FIG.3b is similar to figure 3a showing the transducer once screwed
- FIG.4 is a schematic radial view of the base.
- a system 1 for mounting a transducer 2 - in particular electrodynamic or magnetostrictive - on an interior trim panel 3 - for example a shelf covering a luggage compartment, a roof lining, etc. .. - motor vehicle, said system comprising:
- an interface 7 of molded plastic material for fixing said transducer said interface having: o an association part 8 with said transducer, o a fixing part 9 on said base, said part being provided with a reciprocal thread 10 - here internal - intended to be screwed onto said thread, o a flexible collar defining a reciprocal track 11 having, in axial view, a shape similar to that of said receiving track, knowing that said receiving track is part of a substantially flattened frustoconical shape defined by so that:
- said reciprocal track deforms to take surface support on said receiving track and match its shape, to allow optimized transmission of vibrations from said transducer to said panel.
- the transducer 2 comprises a cover 13 inside which is fixed a magnet 14, and an electric coil 15, powered by cables 18, suspended from said cover by spring means 16.
- the interface 7 is fixed - in particular by gluing - inside the coil 15.
- the apex of the cone defining the frustoconical shape defines an angle 17 greater than 170°.
- the angle 17 defined above is less than 178°, in particular by being greater than 170°.
- the threads 5 and reciprocal threads 10 are fragmented into a plurality of angular sectors - here four - each falling within a respective helix, so as to allow complete screwing after a rotation of less than half a turn - here about a quarter turn.
- Such an embodiment allows a minimization of the axial bulk and also a simplification of the mounting of the transducer 2 avoiding twisting of its power cables 18.
- the system 1 can comprise means for preventing the transducer 2 from unscrewing once fixed, said means comprising two reciprocal stops respectively fixed to the base 4 and to the fixing interface 7, one of said stops being elastically retractable and temporarily retracting at the end of tightening on approaching the other of said stops in order to redeploy once the tightening is finalized and cooperate with said other stop.
- the base 4 is provided with anchoring lugs 19 projecting radially outwards from the reception track 6, so as to allow a reinforced fixing of said base on the panel 3.
- a fixed base 4 - for example by molding, by welding, etc... - on said panel - which is for example based on molded polyurethane, molded thermoplastic, thermo-compressed fibrous material, etc... -, said base being provided with a thread 5 and a peripheral receiving track 6 presenting in axial view the shape of a washer,
- an interface 7 of molded plastic material for fixing said transducer said interface having: o an association part 8 fixed - for example by gluing - to said transducer, o a fixing part 9 on said base, said part being provided with a reciprocal thread 10 screwed onto said thread, o a flexible flange defining a reciprocal track 11 having, in axial view, a shape similar to that of said receiving track, knowing that said receiving track is inscribed in a substantially flattened frustoconical shape, said reciprocal track taking surface support on said receiving track to match its shape.
- the transducer 2 is connected to two power supply cables 18 intended to be connected to an amplifier provided in the peripheral environment of the panel 3, said cables being housed in a trench, not shown, provided in said sign.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202180085104.5A CN116584106A (zh) | 2020-12-17 | 2021-12-14 | 用于在机动车辆的内饰板上安装换能器的系统 |
US18/266,067 US20240031714A1 (en) | 2020-12-17 | 2021-12-14 | System for mounting a transducer on an interior trim panel of a motor vehicle |
EP21839131.6A EP4264953A1 (fr) | 2020-12-17 | 2021-12-14 | Système de montage d'un transducteur sur un panneau de garnissage intérieur de véhicule automobile |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FRFR2013542 | 2020-12-17 | ||
FR2013542A FR3118381B1 (fr) | 2020-12-17 | 2020-12-17 | Système de montage d’un transducteur sur un panneau de garnissage intérieur de véhicule automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022129057A1 true WO2022129057A1 (fr) | 2022-06-23 |
Family
ID=74347440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2021/085705 WO2022129057A1 (fr) | 2020-12-17 | 2021-12-14 | Système de montage d'un transducteur sur un panneau de garnissage intérieur de véhicule automobile |
Country Status (5)
Country | Link |
---|---|
US (1) | US20240031714A1 (fr) |
EP (1) | EP4264953A1 (fr) |
CN (1) | CN116584106A (fr) |
FR (1) | FR3118381B1 (fr) |
WO (1) | WO2022129057A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040264710A1 (en) * | 2003-06-25 | 2004-12-30 | Pioneer Corporation | Speaker apparatus to be mounted on a vehicle |
JP2006180368A (ja) * | 2004-12-24 | 2006-07-06 | Fujitsu Ten Ltd | 車両の内装板を振動板としたスピーカ装置 |
EP1773092A2 (fr) * | 2005-10-04 | 2007-04-11 | Gealan Formteile GmbH | Enceinte avec dispositif d'étanchéité |
EP1737705B1 (fr) * | 2004-04-19 | 2007-09-12 | Toyota Boshoku Kabushiki Kaisha | Dispositifs audio pour véhicules |
-
2020
- 2020-12-17 FR FR2013542A patent/FR3118381B1/fr active Active
-
2021
- 2021-12-14 CN CN202180085104.5A patent/CN116584106A/zh active Pending
- 2021-12-14 US US18/266,067 patent/US20240031714A1/en active Pending
- 2021-12-14 WO PCT/EP2021/085705 patent/WO2022129057A1/fr active Application Filing
- 2021-12-14 EP EP21839131.6A patent/EP4264953A1/fr active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040264710A1 (en) * | 2003-06-25 | 2004-12-30 | Pioneer Corporation | Speaker apparatus to be mounted on a vehicle |
EP1737705B1 (fr) * | 2004-04-19 | 2007-09-12 | Toyota Boshoku Kabushiki Kaisha | Dispositifs audio pour véhicules |
JP2006180368A (ja) * | 2004-12-24 | 2006-07-06 | Fujitsu Ten Ltd | 車両の内装板を振動板としたスピーカ装置 |
EP1773092A2 (fr) * | 2005-10-04 | 2007-04-11 | Gealan Formteile GmbH | Enceinte avec dispositif d'étanchéité |
Also Published As
Publication number | Publication date |
---|---|
FR3118381B1 (fr) | 2023-11-10 |
US20240031714A1 (en) | 2024-01-25 |
FR3118381A1 (fr) | 2022-06-24 |
CN116584106A (zh) | 2023-08-11 |
EP4264953A1 (fr) | 2023-10-25 |
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