EP2817175A1 - Lautsprechersystem für ein kraftfahrzeug - Google Patents
Lautsprechersystem für ein kraftfahrzeugInfo
- Publication number
- EP2817175A1 EP2817175A1 EP13706433.3A EP13706433A EP2817175A1 EP 2817175 A1 EP2817175 A1 EP 2817175A1 EP 13706433 A EP13706433 A EP 13706433A EP 2817175 A1 EP2817175 A1 EP 2817175A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sound
- damping device
- speaker
- loudspeaker
- pipe
- 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.)
- Granted
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding 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
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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 speaker system for a motor vehicle with at least one speaker according to the closer defined in the preamble of claim 1.
- Such speaker systems are known from the general state of the art. Due to the limited installation space conditions while the speaker is placed outside the interior or passenger compartment of the vehicle and the generated sound waves are introduced via a pipe into the passenger compartment. The problem with this is, however, that in the states in which the speaker system is not operated, unwanted noise, for example, from the engine compartment, can penetrate into the passenger compartment of the motor vehicle, since the speaker membrane is not able to provide sufficient sound insulation.
- the inventive sound damping device which is connected to the pipeline, the sound transmission of the pipeline can be reduced, thereby preventing that additional, unwanted noise can pass through the pipe into the passenger compartment.
- the loudspeaker system according to the invention thus represents a very easy to implement solution for preventing noise problems for cases in which it is necessary, for example, for space reasons to arrange a speaker outside the passenger compartment of the motor vehicle and connect by means of a pipe to the passenger compartment.
- a particularly good sound attenuation is achieved when the at least one Sound damping device is arranged directly in at least one of the pipes.
- Such an arrangement of the sound damping device within a pipeline is also structurally particularly easy to implement.
- the at least one sound damping device is connected via at least one connecting line with at least one of the pipes. This makes it possible to arrange the sound damping device at a location independent of the pipeline within the motor vehicle, which can represent a considerable advantage, especially in tight space conditions.
- the at least one connecting line with at least one shut-off device can be closed. In this way, the effect of the sound damping device can be switched off by the shut-off device disconnects the same.
- FIG. 1 shows a first embodiment of the loudspeaker system according to the invention
- FIG. 2 shows a second embodiment of the loudspeaker system according to the invention
- FIG. 3 shows a first embodiment of the plate damping device for the loudspeaker system according to the invention
- 4 shows a second embodiment of the plate damping device for the loudspeaker system according to the invention
- 5 shows a third embodiment of the sound damping device for the loudspeaker system according to the invention.
- FIG. 6 shows a fourth embodiment of the sound damping device for the loudspeaker system according to the invention.
- Fig. 1 shows a speaker system 1 for a motor vehicle, not shown in its entirety. From the motor vehicle, an engine compartment 2, ie the space in which the internal combustion engine, not shown, of the motor vehicle is arranged, a passenger compartment 3 and an end wall 4 separating the passenger compartment 3 from the engine compartment 2 are shown.
- a loudspeaker 5 is shown in the present case, which is arranged outside of the passenger compartment 3 in a so-called water box 6 of the motor vehicle, which is separated from the engine compartment 2 by a wall 7.
- the loudspeaker 5 is connected to the passenger compartment 3 by means of a pipeline 8, of which part 8a runs through the end wall 4.
- a portion 8b of the pipe 8 also extends from the speaker 5, starting in the opposite direction and extends through the wall 7 in the engine compartment 2, whereby the volume available to the speaker 5 is increased because the speaker 5 via this part 8b of Pipe 8 and the volume of the engine compartment 2 is available. It is therefore an open speaker system.
- loudspeakers 5 designed as subwoofers outside the passenger compartment 3 and to connect them via the pipeline 8 to the passenger compartment 3 and the engine compartment 2.
- the term "pipe” stands for all structures that are able to connect the speaker 5 acoustically with a room in which the speaker 5 itself is not arranged.
- the speaker system 1 may have more than the one speaker 5, which may be arranged at any location, not shown, in the motor vehicle. These other speakers do not necessarily have one have open construction.
- the loudspeaker 5 can also be arranged at a completely different location of the motor vehicle, for example in the region of a boot. In principle, arrangements or arrangements in the wheel arch, in the bumper, in the boot or at other suitable locations are also possible for the loudspeaker system 1 described herein with its components as an alternative or in addition to the illustrated arrangement.
- the transmission becomes of the sound generated by the speaker 5 in the passenger compartment 3 through the part 8a of the pipe 8, which leads from the speaker 5 to the passenger compartment 3, not disturbed.
- FIG. 2 shows an alternative embodiment of the loudspeaker system 1.
- the pipeline 8 is provided which, as in the embodiment of FIG. 1, acoustically connects the loudspeaker 5 arranged outside the passenger compartment 3 with the passenger compartment 3.
- the sound damping device 9 is not arranged directly in the pipe 8, but connected via a connecting line 10 with the pipe 8.
- the connecting line 10 in this exemplary embodiment can be closed with a shut-off device 11, which in the present case is designed as a flap rotatable about a rotation axis 12.
- the shut-off device 11 could instead of being designed as pivotable about the axis of rotation 12 flap in other suitable manner.
- the shut-off device 11 closes the connecting line 10 and thus disconnects the sound damping device 9 from the loudspeaker 5.
- the pipe 8 is opened, so that the sound generated by the speaker 5 can pass through the pipe 8 into the passenger compartment 3.
- the shut-off device 11 is brought into its position shown by the dashed line, the pipe 8 is closed and the connecting line 10 is opened, whereby the sound damping device 9 is connected to the speaker 5, so that is prevented with the same from the engine compartment. 2 or the water box 6 sound can enter the passenger compartment 3.
- the shut-off device 11 can be controlled via a control device, not shown, so that it can be brought into the respective desired position in which it closes or releases either the pipe 8 or the connecting line 10 to the sound damping device 9.
- a control device may, for example, be connected to or integrated with an amplifier or the like connected to the speaker system 1 to switch the shut-off device 11 depending on whether sound is generated with the speaker system 1 or not.
- the shut-off device 11 can be adjusted for example by means of an electric motor, of course, there are other options for switching the same. In the case in which sound is generated with the speaker system 1, the shut-off device 11 is brought into the open position to direct the sound via the pipe 8 into the passenger compartment 3. In this case, any noise from the engine compartment
- the shut-off device 11 can be brought into its position closing the pipe 8, in order to guide possible noise in the sound damping device 9. That in this case the pipe 8 is closed, is unproblematic in terms of sound transmission, since the speaker 5 generates no sound yes. By the shut-off device 11 is thus ensured that the sound generated by the speaker 5 is not damped in an undesirable manner by the sound damping device 9.
- the sound damping device 9 has a housing 13 in which a sound absorbing material 14, such as glass wool, rock wool or other porous or open-pored material, is located.
- the sound absorption material 14 ensures a suitable damping of the sound entering from the pipe 8 or the connecting line 10 in the sound damping device 9 sound.
- the sound absorbing material 14 is located inside the housing 3 and outside of the openings provided in this case, d. H. sound-permeable pipeline 8.
- FIG. 4 An alternative embodiment of the sound damping device 9 is shown in Fig. 4.
- a plurality of walls 15 are provided within the housing 13 of the sound damping device 9, wherein basically only one of the walls 15 could be provided.
- Through the walls 15 runtime differences of the entering into the sound attenuation device 9 sound generated and deleted certain frequencies or greatly reduced.
- the sound damping device 9 shown in Fig. 5 the same is designed as a Helmholtz resonator, which is not arranged directly in the pipe 8, but is connected via the connecting line 10 with the pipe 8.
- the sound absorption material 14 is arranged within the case 13 provided here of the sound damping device 9, in turn.
- the embodiment of the sound damping device 9 shown in FIG. 6 is a Combination of the two embodiments of Figures 3 and 5.
- the sound damping device 9 in turn, the housing 13 with the sound absorbing material 14 disposed therein.
- a further housing 13 is provided with disposed therein sound absorbing material 14, which acts as a Helmholtz resonator.
- shut-off device 11 could be arranged in the connecting line 0 leading to the sound damping device designed as a Helmholtz resonator.
- Both with the sound absorption material 14 and with the walls 15 can be achieved in particular frequency selective a desired reduction of the transmission through the pipe 8.
- a frequency-selective design of the sound attenuation device 9 can be designed in the range between 300 Hz and 1.5 kHz, since engine noise in this frequency range has a peak.
- the sound damping device 9 can be designed such that the frequency range in which the loudspeaker 5 operates is omitted, so that its sound generation and transmission is not disturbed.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012003769A DE102012003769B3 (de) | 2012-02-24 | 2012-02-24 | Lautsprechersystem für ein Kraftfahrzeug |
| PCT/EP2013/000533 WO2013124075A1 (de) | 2012-02-24 | 2013-02-23 | Lautsprechersystem für ein kraftfahrzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2817175A1 true EP2817175A1 (de) | 2014-12-31 |
| EP2817175B1 EP2817175B1 (de) | 2016-06-15 |
Family
ID=47754429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13706433.3A Not-in-force EP2817175B1 (de) | 2012-02-24 | 2013-02-23 | Lautsprechersystem für ein kraftfahrzeug |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9681218B2 (de) |
| EP (1) | EP2817175B1 (de) |
| CN (1) | CN103987580B (de) |
| DE (1) | DE102012003769B3 (de) |
| WO (1) | WO2013124075A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012003769B3 (de) | 2012-02-24 | 2013-07-04 | Audi Ag | Lautsprechersystem für ein Kraftfahrzeug |
| WO2016123360A1 (en) | 2015-01-28 | 2016-08-04 | Harman International Industries, Inc. | Vehicle speaker arrangement |
| CN107005760B (zh) | 2015-05-04 | 2020-01-21 | 哈曼国际工业有限公司 | 车辆扬声器组件的通气系统 |
| DE102015111054A1 (de) | 2015-07-08 | 2017-01-12 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Geräuschübertragungssystem für ein Kraftfahrzeug und Verfahren für ein Geräuschübertragungssystem |
| WO2017196935A1 (en) | 2016-05-10 | 2017-11-16 | Harman International Industries, Inc. | Vehicle speaker arrangement |
| DE102016119475B4 (de) * | 2016-10-12 | 2019-02-21 | Norman Gerkinsmeyer | Schallabsorber und Fahrzeug, sowie Verwendung eines Schallabsorbers |
| DE102017109372A1 (de) | 2017-05-02 | 2018-11-08 | Faurecia Emissions Control Technologies, Germany Gmbh | Kraftfahrzeug-Schallgebersystem |
| WO2018234212A1 (de) * | 2017-06-23 | 2018-12-27 | Tenneco Gmbh | Variabler lautsprecher für eine abgasanlage |
| EP3477629B1 (de) * | 2017-10-30 | 2021-12-01 | Alpine Electronics, Inc. | Fahrzeuglautsprechersystem und fahrzeugstruktur mit solch einem lautsprechersystem |
| US12615474B2 (en) * | 2023-11-03 | 2026-04-28 | Xmems Taiwan Co., Ltd. | Covering structure, sound producing package and manufacturing method of sound producing package |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH079704Y2 (ja) | 1987-07-20 | 1995-03-08 | 日本ビクター株式会社 | 車載用低音域再生スピーカシステム |
| JPH03132295A (ja) | 1989-10-18 | 1991-06-05 | Matsushita Electric Ind Co Ltd | 車載用スピーカ装置 |
| NL8902831A (nl) * | 1989-11-16 | 1991-06-17 | Philips Nv | Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis. |
| JP3099217B2 (ja) * | 1994-04-28 | 2000-10-16 | 株式会社ユニシアジェックス | 自動車用アクティブ騒音制御装置 |
| DE10016104C2 (de) * | 2000-03-31 | 2002-03-21 | Audi Ag | Vorrichtung zur Beschallung des Fahrgastraumes eines Kraftfahrzeuges |
| JP2004214852A (ja) * | 2002-12-27 | 2004-07-29 | Pioneer Electronic Corp | 振動伝播抑制構造 |
| JP2005080103A (ja) | 2003-09-02 | 2005-03-24 | Pioneer Electronic Corp | スピーカ装置及びスピーカ取り付けパネル |
| DE10353578B4 (de) * | 2003-11-14 | 2005-11-03 | Reitter & Schefenacker Sound Gmbh | Lautsprechereinheit mit mehrteiligem Resonanzraum |
| US7391878B2 (en) * | 2005-01-12 | 2008-06-24 | Sheng-Hsin Liao | Earphone device having composite functions |
| JP2007318586A (ja) * | 2006-05-29 | 2007-12-06 | Sony Corp | ハイブリッドアクチュエータ、スピーカ装置および音声出力方法 |
| DE102006039199B3 (de) * | 2006-08-22 | 2007-11-29 | Eads Deutschland Gmbh | Aktives Geräuschminderungssystem in einem Strömungskanal |
| KR100821396B1 (ko) | 2006-12-14 | 2008-04-11 | 현대자동차주식회사 | 자동차의 주행효과음 구현장치 |
| DE102012003769B3 (de) | 2012-02-24 | 2013-07-04 | Audi Ag | Lautsprechersystem für ein Kraftfahrzeug |
-
2012
- 2012-02-24 DE DE102012003769A patent/DE102012003769B3/de not_active Withdrawn - After Issue
-
2013
- 2013-02-23 EP EP13706433.3A patent/EP2817175B1/de not_active Not-in-force
- 2013-02-23 CN CN201380004235.1A patent/CN103987580B/zh not_active Expired - Fee Related
- 2013-02-23 US US14/380,552 patent/US9681218B2/en active Active
- 2013-02-23 WO PCT/EP2013/000533 patent/WO2013124075A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013124075A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US9681218B2 (en) | 2017-06-13 |
| CN103987580A (zh) | 2014-08-13 |
| US20150036840A1 (en) | 2015-02-05 |
| CN103987580B (zh) | 2019-02-19 |
| DE102012003769B3 (de) | 2013-07-04 |
| WO2013124075A1 (de) | 2013-08-29 |
| EP2817175B1 (de) | 2016-06-15 |
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