EP2871342B1 - Disposition d'un actuateur électroacoustique sur une structure de véhicule - Google Patents

Disposition d'un actuateur électroacoustique sur une structure de véhicule Download PDF

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Publication number
EP2871342B1
EP2871342B1 EP14185473.7A EP14185473A EP2871342B1 EP 2871342 B1 EP2871342 B1 EP 2871342B1 EP 14185473 A EP14185473 A EP 14185473A EP 2871342 B1 EP2871342 B1 EP 2871342B1
Authority
EP
European Patent Office
Prior art keywords
actuator
housing
vehicle body
retaining
speaker
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
EP14185473.7A
Other languages
German (de)
English (en)
Other versions
EP2871342A1 (fr
Inventor
Georg Wirth
Michael Bott
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.)
Eberspaecher Exhaust Technology GmbH and Co KG
Original Assignee
Eberspaecher Exhaust Technology GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of EP2871342A1 publication Critical patent/EP2871342A1/fr
Application granted granted Critical
Publication of EP2871342B1 publication Critical patent/EP2871342B1/fr
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • F01N1/065—Silencing apparatus characterised by method of silencing by using interference effect by using an active noise source, e.g. speakers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • F01N13/1822—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration for fixing exhaust pipes or devices to vehicle body
    • 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
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • 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
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G10K2210/1282—Automobiles
    • G10K2210/12822—Exhaust pipes or mufflers

Definitions

  • the present invention relates to an arrangement of an electroacoustic actuator on a vehicle body of a motor vehicle, according to the preamble of claim 1.
  • An electroacoustic actuator usually comprises a housing, in which at least one loudspeaker is arranged, which separates a pre-volume from a back volume in the housing. Furthermore, the actuator may have a sound outlet tube, which projects outward from the housing and which is fluidically coupled to the pre-volume.
  • Such an electro-acoustic actuator can be used in an exhaust system as an active muffler to reduce by means of counter-noise disturbing amplitudes in the transported in the exhaust system noise. Furthermore, such an actuator can also be used to selectively generate or amplify certain frequencies in order to operate a so-called sound design. Likewise, mixed applications are conceivable in which the respective actuator attenuates or reduces interfering frequencies by means of anti-sound while at the same time generating or amplifying desired frequencies.
  • the actuator can be elastically connected to a vehicle body via its housing, so that the actuator can oscillate together with the exhaust system relative to the vehicle body. Due to cramped installation situations, it is often not possible to fix the actuator via the sound outlet tube directly to the exhaust system. In these cases it is In principle, it is possible to fix the actuator as a whole on the vehicle body and to arrange the sound outlet tube free-standing in the environment. Alternatively, it is also conceivable to connect the sound outlet tube via an elastic connecting piece with an exhaust pipe in order to arrange the housing of the actuator at another, more suitable place.
  • the housing via the sound outlet tube has no rigid or rigid coupling with an exhaust pipe
  • the housing is set in vibration during operation of the actuator.
  • the vehicle body In a fixed connection of the housing to the vehicle body thereby the vehicle body can be locally excited to vibrate, which can lead to unwanted noise in the vehicle.
  • the vibration excitation of the housing can be attributed to the fact that the speaker with its cage is ultimately supported on the housing.
  • the cage on the one hand, tensions a diaphragm of the loudspeaker and, on the other hand, carries an electromagnetic driver, which is drive-connected to the diaphragm. Any vibration introduced into the membrane by the driver acts as an "action” whose "response” from the driver must be supported by the cage to the housing.
  • a generic arrangement of an electro-acoustic actuator to a vehicle body for example, from US 2002/047074 A1 known.
  • holding devices are used whose holding directions are different and each inclined with respect to an excitation direction of the loudspeaker.
  • the present invention addresses the problem of providing for the arrangement of an actuator on a vehicle body an improved embodiment, which is characterized in particular by a reduced vibration transmission between the actuator and vehicle body.
  • the invention is based on the general idea to hold the actuator by means of several separate holding devices on the vehicle body, said holding means are spaced from each other in a circumferential direction of the housing and distributed to the housing.
  • the holding devices are further designed to be elastic in a holding direction, while they are designed to be stiff transversely to the holding direction.
  • the terms "elastic” and “stiff” are to be understood relative to each other, such that the respective holding device in the holding direction has a greater elasticity than transversely thereto.
  • the respective holding device has a greater rigidity transverse to the holding direction than parallel to the holding direction.
  • the holding device may also have a certain elasticity transversely to the holding direction, which, however, is significantly smaller than parallel to the holding direction.
  • the elasticity of the respective holding device is at least one order of magnitude larger than transversely to the holding direction parallel to the holding direction.
  • the holding directions of the individual holding directions run parallel to one another.
  • the entire housing or the entire actuator essentially has only the holding direction as a degree of freedom for relative movements with respect to the vehicle body. This improves on the one hand, the vibration decoupling between the vehicle body and actuator parallel to the holding direction, while at the same time transverse to the fixation of the actuator is reinforced to the vehicle body.
  • the holding directions of the holding devices extend parallel to an excitation direction of the loudspeaker, in which the loudspeaker transmits excitation forces to the housing during operation of the actuator.
  • the excitation direction of the loudspeaker essentially corresponds to the stroke direction or direction of vibration of a loudspeaker diaphragm, the excitation forces counteracting the forces required for deflecting the loudspeaker diaphragm, which results from the physical principle "action equal to reaction”. Due to the parallel alignment of the holding directions to said excitation direction, the vibrations generated by the loudspeaker in the housing can be selectively damped.
  • the respective holding device may have a fixedly connected to the housing console, which is connected via a coupling device in the holding direction elastic and transversely rigid with the vehicle body.
  • the respective holding device has a rigid or rigid or rigidly connected to the housing console, so that the elastic suspension ultimately follows via a coupling device which acts between the respective console and the vehicle body.
  • the holding devices or the consoles may define a holding plane which extends perpendicular to the excitation direction of the loudspeaker.
  • it is thus at least three holding devices in order to be able to clearly define said holding plane.
  • the housing can be securely supported on the vehicle body.
  • the holding directions of the holding devices are aligned perpendicular to the holding plane, so that the support of the housing is torque-free with respect to the vibrations.
  • the holding devices or the brackets can be arranged equidistant from a force introduction point of the loudspeaker, from which the loudspeaker transmits dynamic excitation forces to the housing during operation of the actuator.
  • This measure also means that the holding devices ultimately do not have to support torques.
  • the term "equidistant" is to be understood in the present context that preferably equal distances present, but in principle small deviations of not more than 10% in terms of distances of the holding devices from the force introduction point are tolerable and can still be considered as equidistant.
  • the holding devices or the consoles can be arranged equidistant to a center of mass of the actuator according to another embodiment. This measure has the consequence that even static forces, namely the weight of the actuator transmit no moment between the actuator and vehicle body.
  • the term "equidistant” is to be understood that identical distances are desired, but deviations of a maximum of 10% are tolerable.
  • a center of gravity of the actuator and a force introduction point, from which the loudspeaker transmits dynamic excitation forces to the housing during operation of the actuator are arranged one above the other substantially one inside the other or in the direction of gravity. This measure ultimately leads to the generation of torques in the housing being reduced during the operation of the actuator.
  • the loudspeaker in the housing such that an excitation direction of the loudspeaker, in which the loudspeaker transmits excitation forces to the housing during operation of the actuator, runs parallel to the direction of gravity.
  • a resulting excitation force of the loudspeaker essentially passes through the center of mass of the actuator. Since thus the excitation force and gravity coaxial, the realization of a torque-free mounting of the housing on the vehicle body simplifies.
  • a coupling device of the respective holding device which connects a console of the respective holding device fixedly connected to the housing with the vehicle body, is designed as an elastomeric bearing, which is designed to be elastic and transversely rigid in the holding direction.
  • elastomeric bearings which have a direction-dependent elasticity, on the one hand allows for sufficient vibration damping and on the other hand, a sufficient support for the actuator on the vehicle body.
  • the elastomeric bearing may have a first, in particular annular, elastomer region, which supports the console in the holding direction on the vehicle body, wherein the elastomeric bearing also has a second, in particular annular elastomer region, the console in the holding direction on a side facing away from the vehicle body side supported on a disc.
  • Said disc can now be firmly connected by means of a screw which extends through the two Elastomer Schemee and through the console, with the vehicle body.
  • Such an elastomeric bearing has a relatively high elasticity in the holding direction, while at the same time has a comparatively high rigidity transverse to the holding direction.
  • the screw can also extend through a spacer sleeve, which supports the disc in the holding direction on the vehicle body.
  • a spacer sleeve which supports the disc in the holding direction on the vehicle body.
  • the two elastomer regions can be integrally formed in a common elastomer body. Furthermore, it is conceivable to realize the two elastomer regions by means of separate or separate elastomer bodies.
  • said coupling means may comprise an elastomeric body, on the one hand firmly connected to the respective console and on the other hand firmly connected to a holder attached to the vehicle body, wherein the elastomeric body in the holding direction is designed to be elastic and transverse thereto rigid.
  • the elastomeric body may be designed in the manner of a rubber loop, in which on the one hand the console and on the other hand the respective holder can be inserted.
  • the respective console can be made more or less wire-shaped according to a preferred variant.
  • the respective holder may be designed more or less wire-shaped.
  • the respective coupling device may comprise at least one elastomeric body and / or at least one spring element and have a linear guide which defines the holding direction.
  • the elastic holding force transmission takes place via the elastomer body or via the spring element, while the stiff transverse support is effected via the linear guide.
  • the actuator is held exclusively via the holding device in a vehicle body.
  • the sound outlet tube is arranged free-standing in an environment of the actuator. In this case, any connection of the sound outlet tube is missing, for example, to an exhaust system.
  • the present invention thus also relates to a vehicle having a vehicle body and at least one actuator, which is arranged on the vehicle body by means of an arrangement of the type described above.
  • FIGS. 1, 2 and 4 each show an arrangement 1 of an electro-acoustic actuator 2 on a vehicle only partially or partially illustrated structure 3 of a motor vehicle, not otherwise shown.
  • the actuator 2 has a housing 4 and a sound outlet tube 5, which protrudes from the housing 4 to the outside in an environment 6 of the actuator 2.
  • FIG. 1 is arranged in the housing 4, at least one speaker 7, which separates a Vorvolumen 8 from a rear volume 9 in the housing 4.
  • the actuator 2 has only one loudspeaker 7.
  • the loudspeaker 7 has in a conventional manner a diaphragm 10 and an electromagnetic driver 11 for driving the diaphragm 10.
  • Driver 11 and diaphragm 10 are drivingly connected in the manner shown.
  • a cage 12 is provided, on the one hand carries the driver 11 and on the other hand, the membrane 10 spans.
  • the cage 12 also serves to attach the speaker 7 to the housing 4.
  • a circulation 13 of the cage 12 is inserted into a flange 14, via the two housing shells, namely a lower housing shell 15 and an upper housing shell 16 of the housing 4 are fastened together.
  • the cage 12 is permeable to the rear volume 9, so that the rear volume 9 extends through the cage 12 as far as a rear side of the membrane 10 facing the upper housing shell 16.
  • a funnel 17 is also arranged, which encloses the pre-volume 8 and which connects a front volume 8 facing the pre-volume 8 fluidically or acoustically with the sound exit tube 5.
  • the sound outlet tube 5 is fluidically coupled to the pre-volume 8.
  • the circulation 13 is acoustically permeable, for example by means of corresponding openings or openings.
  • the additional volume 18 can be acoustically added to the rear volume 9, whereby the actuator 2 has a particularly large back volume (9 + 18).
  • the actuator 2 may be designed as an active muffler or as a sound generator or as a combination of active muffler and sound generator to make a sound emission of the vehicle. If the vehicle is equipped with an internal combustion engine, with the designed as an active muffler actuator 2, a noise emission in the environment of the vehicle can be reduced. For vehicles with smaller internal combustion engines and / or vehicles with electric drive, it is possible to use the actuator 2 to selectively generate a sound emission for the vehicle. Of importance is an acoustic feedback for the driver to get as in a conventional vehicle, a sense of the current performance of the drive. Not inconsiderable just in electric vehicles, the associated with a corresponding acoustic emission improved passive vehicle safety, since the vehicle can be better perceived by other road users. Because with electric vehicles, the driving noise is reduced at low vehicle speeds mainly on the rolling noise, so there is a risk that an electric vehicle is overheard by a pedestrian or cyclist.
  • the actuator 2 is held by means of a plurality of holding devices 19 on the vehicle body 3.
  • the holding devices 19 are in one in the Figures 2 and 4 arranged by a double arrow indicated circumferential direction 20 of the housing 4, so that they are spaced apart in the circumferential direction 20.
  • Preferred is a variant in which exactly three such holding devices 19 are provided. In principle, however, more than three holding devices 19 may be provided. Theoretically, a solution with only two holding devices 19 is conceivable.
  • the holding devices 19 are each attached to the housing 4, and preferably to the lower housing shell 15.
  • the holding devices 19 are each in one in the FIGS. 1 . 3 and 5-7 indicated by a double arrow mounting direction 21 elastically and transversely to the holding direction 21 designed comparatively stiff.
  • the holding directions 21 of all holding devices 19 extend parallel to one another.
  • the holding directions 21 preferably run parallel to one in FIG FIG. 1 In the excitation direction 22, the loudspeaker 7 transmits excitation forces to the housing 4 during the operation of the actuator 2.
  • FIG. 1 can be seen that the holding means 19 according to a preferred embodiment define a holding plane 23. In other words, the holding devices 19 lie in a common holding plane 23.
  • the holding plane 23 now extends perpendicular to the excitation direction 22 of the loudspeaker 7.
  • the holding directions 21 are also perpendicular to the holding plane 23.
  • the respective holding device 19 has a bracket 24 which is fixedly connected to the housing 4, and a coupling device 25, by means of which the respective bracket 24 in the holding direction 21 is elastically and transversely relatively rigidly connected to the vehicle body 3.
  • FIG. 1 can now be said consoles 24 and the holding means 19 are arranged on the housing 4 equidistant to a force introduction point 26 of the speaker 7, from which the speaker 7 in the operation of the actuator 2 dynamic excitation forces on the housing 4 transmits.
  • the force introduction point 26 is located here in the driver 11, in which the reaction when exciting the membrane 10 (action) is formed.
  • the holding devices 19 or their brackets 24 are arranged on the housing 4 equidistant to a center of mass 27 of the actuator 2.
  • this center of mass 27 and the aforementioned force introduction point 26 in the direction of gravity arranged one above the other.
  • the arrangement of the speaker 7 in the housing 4 is preferably such that the excitation direction 22 is parallel to the direction of gravity.
  • the arrangement of the loudspeaker 7 in the housing 4 preferably takes place such that a resultant excitation force, which passes through the force introduction point 26, also passes through the center of mass 27.
  • an electrical connection 28 is indicated, by means of which an electrical wiring 29 can be connected through the housing 4 to the loudspeaker 7 or to the driver 11. Furthermore, a connection of further electrical or electronic components of the actuator 2 can take place via the wiring 29, for example a microphone or a temperature sensor.
  • FIG. 3 a possible embodiment of the holding device 19, as in the in FIG. 2 shown embodiment of the arrangement 1 can be used.
  • the FIGS. 5 and 6 show a coupling device 25, as used in the holding device 19 of the embodiment shown in Figure 4.
  • FIG. 7 shows a holding device 19 according to another embodiment.
  • the coupling device 25 of the holding device 19 is designed as an elastomer bearing 30, which has an annular first elastomer region 31 and an annular second elastomer region 32.
  • the first elastomeric region 31 supports the bracket 24 in the holding direction 21 on the vehicle body 3 from.
  • the second elastomer region 32 supports the bracket 24 in the holding direction 21 on a disc 33, which is arranged on a side facing away from the vehicle body 3 side of the bracket 24.
  • the disc 33 is firmly connected by means of a screw 34 to the vehicle body 3.
  • the screw 34 extends through the two Elastomer Suitee 31, 32 and through the console 24 therethrough.
  • the screw 34 also extends through a spacer sleeve 35 through which the disc 33 is supported in the mounting direction 21 on the vehicle body 3.
  • the screw 34 has in the example a screw 36 and a nut 37.
  • a screw head 38 of the screw 36 is supported on the disc 33 from.
  • a screw shank 39 of the screw 36 extends through the disc 33, through the spacer sleeve 35 and thus through the two elastomeric bodies 31 and 32 and through the bracket 24 and through a connection region 40 of the vehicle body 3.
  • the nut 37 is screwed to the screw shaft 39 and is supported by a washer 41 on a side facing away from the console 24 side on the connection portion 40 of the vehicle body 3 from.
  • a washer 41 on a side facing away from the console 24 side on the connection portion 40 of the vehicle body 3 from.
  • the two elastomer regions 31 and 32 are separate elastomer bodies. In principle, however, an embodiment is also conceivable in which the two elastomer regions 31, 32 are integrally formed on a common elastomer body, that is, of the same material. By way of example, the two elastomer regions 31, 32 can communicate with one another via a section likewise passed through the bracket 24.
  • the coupling device comprises an elastomeric body 42, which is configured here as a rubber loop.
  • the elastomeric body 42 is on the one hand firmly connected to the respective console 24 and thus via the console 24 to the housing 4.
  • the elastomeric body 42 is fixedly connected to a holder 43, which in turn on Vehicle body 3 is attached.
  • the respective elastomeric body 42 is connected via the respective holder 43 fixed to the vehicle body 3.
  • the respective elastomer body 42 is designed so that it is designed to be relatively stiff in the holding direction 41 elastic and transversely thereto. This is achieved for example by means of corresponding area moments of inertia in conjunction with recesses 44, which are in the FIGS. 5 and 6 are recognizable.
  • FIG. 7 a further embodiment of the holding device 19, in which the coupling device 25 has at least one elastomer body 45 or at least one spring element 46 has.
  • the coupling device 25 here comprises a linear guide 47, which is formed in the example shown by a pin 48 and a socket 49, in which the pin 48 is arranged bidirectionally adjustable.
  • the linear guide 47 thus defines the holding direction 21 and stabilizes the coupling device 25 transversely to the holding direction 21.
  • the elastomer body 45 and the spring element 46 generates the elasticity of the coupling device 25 parallel to the holding direction 21 in the example FIG. 7 the pin 48 is fixedly connected to the console 24, while the socket 49 is fixedly connected to the vehicle body 3.
  • the actuator 2 is preferably held exclusively by the holding devices 19 on the vehicle body 3. As a result, therefore, no holding forces can be transmitted to the housing 4, in particular via the sound outlet tube 5.
  • the sound outlet tube 5 is arranged free-standing in the environment 6 of the actuator 2, that is, it has no contact with other components of the vehicle.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Claims (12)

  1. Agencement d'un actionneur électroacoustique (2) sur une carrosserie de véhicule (3) d'un véhicule automobile,
    - l'actionneur (2) présentant un boîtier (4), dans lequel au moins un haut-parleur (7) est agencé, lequel sépare un volume avant (8) d'un volume arrière (9) dans le boîtier (4),
    - l'actionneur (2) étant maintenu avec plusieurs dispositifs de retenue (19) sur la carrosserie de véhicule (3), lesquels sont agencés dans un sens périphérique (20) du boîtier (4) à distance les uns des autres sur le boîtier (4), et sont conçus respectivement dans un sens de retenue (21) de manière élastique et transversalement à celui-ci de manière rigide,
    caractérisé en ce que
    - l'actionneur (2) présente un tube de sortie du son (5) qui dépasse vers l'extérieur du boîtier (4) et qui est couplé fluidiquement au volume avant (8),
    - les sens de retenue (21) des dispositifs de retenue (19) s'étendent parallèlement à un sens d'excitation (22) du haut-parleur (7), dans lequel le haut-parleur (7) transmet en fonctionnement de l'actionneur (2) des forces d'excitation au boîtier (4).
  2. Agencement selon la revendication 1,
    caractérisé en ce que
    le dispositif de retenue respectif (19) présente une console (24) reliée fixement au boîtier (4) qui est reliée par un dispositif de couplage (25) dans le sens de retenue (21) de manière élastique et transversalement à celui-ci de manière rigide à la carrosserie de véhicule (3).
  3. Agencement selon la revendication 2,
    caractérisé en ce que
    le dispositif de couplage respectif (25) est conçu comme palier élastomère (30).
  4. Agencement selon la revendication 3,
    caractérisé en ce que
    - le palier élastomère (30) présente une première zone élastomère (31) qui appuie la console (24) dans le sens de retenue (21) sur la carrosserie de véhicule (3),
    - le palier élastomère (30) présente une seconde zone élastomère (32) qui appuie la console (24) dans le sens de retenue (21) sur un côté éloigné de la carrosserie de véhicule (3) contre un disque (33),
    - le disque (33) est fixement relié à l'aide d'une liaison de vissage (34) qui s'étend par les deux zones élastomères (31, 32) et la console (24), à la carrosserie de véhicule (3).
  5. Agencement selon la revendication 2,
    caractérisé en ce que
    le dispositif de couplage (25) respectif présente un corps élastomère (42) qui est relié d'une part fixement à la console respective (24) et d'autre part fixement à un support (43) fixé sur la carrosserie de véhicule (3), le corps élastomère (42) étant conçu dans le sens de retenue (21) de manière élastique et transversalement à celui-ci de manière rigide.
  6. Agencement selon la revendication 2,
    caractérisé en ce que
    le dispositif de couplage (25) présente au moins un corps élastomère (45) et/ou au moins un élément de ressort (46) ainsi qu'au moins un guidage linéaire (47) définissant le sens de retenue (21).
  7. Agencement selon l'une quelconque des revendications 1 à 6,
    caractérisé en ce que
    les dispositifs de retenue (19) ou les consoles (24) définissent un plan de retenue (23) qui s'étend perpendiculairement au sens d'excitation (22) du haut-parleur (7).
  8. Agencement selon l'une quelconque des revendications 1 à 7,
    caractérisé en ce que
    les dispositifs de retenue (19) ou les consoles (24) sont agencés de manière équidistante à un point d'introduction de force (26) du haut-parleur (7), duquel le haut-parleur (7) transmet, en fonctionnement de l'actionneur (2), des forces d'excitation au boîtier (4).
  9. Agencement selon l'une quelconque des revendications 1 à 8,
    caractérisé en ce que
    les dispositifs de retenue (19) ou les consoles (24) sont agencés de manière équidistante à un centre de gravité (27) de l'actionneur (2).
  10. Agencement selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce que
    un centre de gravité (27) de l'actionneur (2) et un point d'introduction de force (26), duquel le haut-parleur (7) transmet, en fonctionnement de l'actionneur (2), des forces d'excitation au boîtier (4), sont agencés sensiblement l'un dans l'autre ou dans le sens de la force de gravité l'un au-dessus de l'autre.
  11. Agencement selon l'une quelconque des revendications 1 à 10,
    caractérisé en ce que
    le haut-parleur (7) est agencé dans le boîtier (4) de sorte qu'un sens d'excitation (22) du haut-parleur (7), dans lequel le haut-parleur (7) transmet, en fonctionnement de l'actionneur (2), des forces d'excitation au boîtier (4), s'étend parallèlement au sens de la force de gravité.
  12. Agencement selon l'une quelconque des revendications 1 à 11,
    caractérisé en ce que
    - l'actionneur (2) est maintenu exclusivement par le biais des dispositifs de retenue (19) sur la carrosserie de véhicule (3),
    - le tube de sortie de son (5) est agencé de manière isolée dans un environnement (6) de l'actionneur (2).
EP14185473.7A 2013-11-06 2014-09-19 Disposition d'un actuateur électroacoustique sur une structure de véhicule Active EP2871342B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310222548 DE102013222548B3 (de) 2013-11-06 2013-11-06 Aktoranordnung an einem Fahrzeugaufbau

Publications (2)

Publication Number Publication Date
EP2871342A1 EP2871342A1 (fr) 2015-05-13
EP2871342B1 true EP2871342B1 (fr) 2016-05-25

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US (1) US9617881B2 (fr)
EP (1) EP2871342B1 (fr)
CN (1) CN104632320B (fr)
DE (1) DE102013222548B3 (fr)

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Publication number Priority date Publication date Assignee Title
DE102015109281A1 (de) * 2015-06-11 2016-12-15 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Befestigungsvorrichtung für einen Soundaktuator
DE102016107069A1 (de) 2016-04-15 2017-10-19 Faurecia Emissions Control Technologies, Germany Gmbh Schallerzeugungsvorrichtung an einem Fahrzeug zur Reduzierung oder Erzeugung von Motorsound sowie Abgasanlage
DE102017206079A1 (de) * 2017-04-10 2018-10-11 Continental Automotive Gmbh Körperschallaktuator für ein Kraftfahrzeug und Kraftfahrzeug
DE102017113878A1 (de) 2017-06-22 2018-12-27 Eberspächer Exhaust Technology GmbH & Co. KG Schallerzeugungsbaugruppe
DE102017120610A1 (de) 2017-09-07 2019-03-07 Faurecia Emissions Control Technologies, Germany Gmbh Schallerzeugungsbaugruppe für eine Abgasanlage
CN111357047A (zh) * 2017-11-21 2020-06-30 佛吉亚排放控制技术德国有限公司 声音发生装置、车辆排气系统以及制造声音发生装置的方法
DE102018112719A1 (de) * 2018-05-28 2019-11-28 Faurecia Emissions Control Technologies, Germany Gmbh Schallerzeugungssystem für ein Abgassystem eines Verbrennungsmotors eines Kraftfahrzeugs
DE102018112715A1 (de) * 2018-05-28 2019-11-28 Faurecia Emissions Control Technologies, Germany Gmbh Schallerzeugungssystem für ein Abgassystem eines Verbrennungsmotors eines Kraftfahrzeugs
US11957394B2 (en) 2020-02-27 2024-04-16 J.M. Longyear Manufacturing, Llc Screw caddy

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Publication number Priority date Publication date Assignee Title
DE4317403A1 (de) * 1993-05-26 1994-12-01 Nokia Deutschland Gmbh Anordnung zur aktiven Schalldämpfung
JPH09112242A (ja) * 1995-10-24 1997-04-28 Umex:Kk アクティブ消音装置の車載構造
US6005957A (en) * 1998-02-27 1999-12-21 Tenneco Automotive Inc. Loudspeaker pressure plate
US7162040B2 (en) * 2000-03-30 2007-01-09 Siemens Vdo Automotive, Inc. Mounting assembly for active noise attenuation system
GB2461284B (en) * 2008-06-25 2011-03-02 Tokai Rubber Ind Ltd Muffler hanger

Also Published As

Publication number Publication date
CN104632320B (zh) 2017-05-03
CN104632320A (zh) 2015-05-20
US9617881B2 (en) 2017-04-11
EP2871342A1 (fr) 2015-05-13
DE102013222548B3 (de) 2015-02-19
US20150124990A1 (en) 2015-05-07

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