EP3481081A1 - Déflecteur d'échappement à source sonore - Google Patents

Déflecteur d'échappement à source sonore Download PDF

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Publication number
EP3481081A1
EP3481081A1 EP18203237.5A EP18203237A EP3481081A1 EP 3481081 A1 EP3481081 A1 EP 3481081A1 EP 18203237 A EP18203237 A EP 18203237A EP 3481081 A1 EP3481081 A1 EP 3481081A1
Authority
EP
European Patent Office
Prior art keywords
exhaust
sound
panel
sound generating
cover
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
Application number
EP18203237.5A
Other languages
German (de)
English (en)
Other versions
EP3481081B1 (fr
Inventor
Frank Lorenz
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.)
Cisma Solutions ApS
Original Assignee
Cisma Solutions ApS
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
Application filed by Cisma Solutions ApS filed Critical Cisma Solutions ApS
Publication of EP3481081A1 publication Critical patent/EP3481081A1/fr
Application granted granted Critical
Publication of EP3481081B1 publication Critical patent/EP3481081B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04R1/20—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
    • 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
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/12—Other sensor principles, e.g. using electro conductivity of substrate or radio frequency
    • 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 an exhaust panel with a sound source for a motor vehicle.
  • the invention further relates to an exhaust system with such an exhaust panel.
  • the invention further relates to the provision of a method for sound emission with such an exhaust panel.
  • the exhaust cover according to the invention for a motor vehicle has a tubular inner insert. It is characterized in that it is equipped with a controllable sound generating device for sound output from the exhaust panel.
  • Sounds or sound waves can advantageously be brought about by a sound generating device in addition to the sounds which are generated by the motor vehicle itself during its use.
  • acoustic effects can be produced, for example, to increase road safety, including in the form of warning signals.
  • the sound generating device is particularly preferably designed in the form of a loudspeaker diaphragm.
  • different acoustic signals can be used, so that individual vehicles based on these signals can be distinguished.
  • the sound or "sound" of a motor can be amplified.
  • the exhaust panel of the inner insert is designed in the form of a sound body for sound output.
  • the sounds generated by the sound generating device can then be directed into the indoor use and amplified and / or focused there.
  • tones may be generated by the inner liner and optionally other acoustic means, such as further amplifiers, which are deep compared to noises generated by the automotive vehicle during its use.
  • the temperature at the loudspeaker, the inner insert and the further acoustic means can hereby be maintained by air currents in a range which is appropriate for the functioning of the loudspeaker and the acoustic means.
  • the inner insert has a recess, in particular in the form of a through-hole, in which the sound generating device is arranged. Then the sound generated by the sound generating device can be passed directly into the indoor use.
  • the exhaust panel for direct or indirect power supply of the sound generating device comprises a battery and / or an accumulator. In this way, an independent supply of the sound generating device can be ensured with electrical energy.
  • the exhaust panel for direct or indirect power supply of the sound generating means comprises a converter for the conversion of heat in electrical voltage, in particular in the form of a piezoelectric element.
  • the heat generated in the motor vehicle during its use for example exhaust gas heat, can be used to provide electrical energy for the sound generating device.
  • the exhaust cover on a control unit for driving the sound generating means wherein the control unit preferably comprises a digital playback device. Then sounds generated by the sound generating device can be selectively selected and stored in advance.
  • control unit can be controlled by a radio-remote connection, in particular via WLAN.
  • the sounds generated by the sound generating means may be sent from outside the exhaust panel and / or the motor vehicle, or may be downloaded from a user from an external data source.
  • the exhaust panel has a vibration sensor, in particular on the inner insert.
  • the sounds or the sound can be adjusted depending on the vibration of the indoor use. This vibration can cause a coupling of the generated sound to the speed of the motor vehicle.
  • the exhaust cover in particular on the inner insert, a gas flow sensor.
  • the gas flow sensor can be designed for air mass measurement and / or for air volume measurement.
  • the sounds or the sound can be adjusted depending on the exhaust flow through the exhaust panel.
  • the flow or volume flow of the Exhaust gases from the engine can cause a coupling of the generated sound to the speed of the motor vehicle.
  • An exhaust system has an exhaust pipe and a exhaust pipe mounted on the exhaust pipe according to the invention.
  • an exhaust system of a motor vehicle may cause controlled acoustic effects in addition to the noise generated during use of the vehicle.
  • the sound of the engine of a motor vehicle can be amplified and / or modified.
  • other road users can be warned against acceleration or deceleration of the motor vehicle.
  • the emitted tones can be customized for individual vehicles.
  • a method for sound emission at an exhaust panel sound is emitted at this exhaust panel via a controlled sound generation device.
  • the method preferably amplifies and / or modifies the sound of the engine of a motor vehicle.
  • traffic safety can be increased if a motor vehicle, which has such a sound generating device accelerates or decelerates.
  • Fig. 1 a longitudinal section through a motor vehicle 10 with an exhaust system 12 is shown.
  • the exhaust system 12 has an exhaust pipe 14 .
  • the motor vehicle 10 is further equipped with a motor 16 .
  • a fluidic connection 18 is arranged, through which exhaust gases from the engine 16 to the exhaust system 12 can flow.
  • Fig. 2a shows a front view of an exhaust panel 20 according to the invention , which on the exhaust pipe 14 (see Fig. 1 ) can be mounted.
  • the exhaust cover 20 has an outer tube 22 for protection and or for decorating the exhaust pipe 14.
  • the exhaust panel 20 further includes an inner insert 24 for sound emission, which is disposed within the outer tube 22 and has the shape of a tube.
  • Fig. 2b shows a longitudinal section of the exhaust panel 20, according to the Fig. 2a shown line A-A '.
  • the inner insert 24 is pushed onto the exhaust pipe 14 for mounting the exhaust panel 20. It is fixed to the exhaust pipe 14 with a clamp 26 .
  • the inner insert 24 has a first through-passage 28 .
  • a sound generating device 30 is arranged, which is in particular controllable.
  • the sound generating device 30 serves to generate sounds or sound waves, which can move through the inner insert 24 designed as a sound body and can be focused and / or amplified there.
  • the inner insert 24 has a second passage recess 32 .
  • a gas flow sensor 34 is arranged in this second passage recess 32 .
  • the gas flow sensor 34 may measure the flow of exhaust through the exhaust panel 20.
  • the generation of sound by the sound generating device 30 can be effected as a function of this exhaust gas flow. In particular, the sound can be amplified when the exhaust gas flow is increased.
  • a vibration sensor 36 for measuring the vibration of the inner insert 24 is arranged on the inner insert 24, a vibration sensor 36 for measuring the vibration of the inner insert 24 is arranged.
  • the vibration sensor 36 is disposed on a portion 38 of the inner liner 24 which abuts the exhaust pipe 14, wherein the vibration sensor 36 is preferably positioned at this portion 38 in the radial direction opposite the exhaust pipe 14.
  • the generation of sound by the sound generating device 30 can be effected in dependence on the vibration of the inner insert 24. In particular, the sound can be amplified when the vibration is increased.
  • a battery 40 is attached on the outer tube 22 of the exhaust panel 20, a battery 40 is attached.
  • the battery 40 serves, in particular, for the power supply of the sound generating device 30.
  • a control unit 42 fastened to the outer pipe 22 of the exhaust panel 20, it is possible in particular to control the sound generating device 30.
  • the control unit 42 preferably has a digital playback device. Then, the sounds can be adjusted, which are generated by the sound generating device 30.
  • the control unit 42 for this purpose on a radio-remote connection and is in particular controlled by WLAN.
  • Fig. 3 is a method 100 for sound emission of an exhaust panel shown schematically.
  • a step 102 sound is emitted at the exhaust panel 20 via a controlled sound generating device 30.
  • the invention in summary relates to an exhaust cover 20 for a motor vehicle 10 having an inner insert 24, which has the shape of a tube.
  • the exhaust panel 20 is preferably by a Sound generating device 30 for generating and emitting sound characterized, which forms part of the exhaust panel 20 and is controllable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
EP18203237.5A 2017-11-03 2018-10-30 Déflecteur d'échappement à source sonore Active EP3481081B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017219573.8A DE102017219573B4 (de) 2017-11-03 2017-11-03 Auspuffblende mit Schallquelle

Publications (2)

Publication Number Publication Date
EP3481081A1 true EP3481081A1 (fr) 2019-05-08
EP3481081B1 EP3481081B1 (fr) 2020-10-07

Family

ID=64051467

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18203237.5A Active EP3481081B1 (fr) 2017-11-03 2018-10-30 Déflecteur d'échappement à source sonore

Country Status (2)

Country Link
EP (1) EP3481081B1 (fr)
DE (1) DE102017219573B4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019134759A1 (de) * 2019-12-17 2021-06-17 Friedrich Boysen Gmbh & Co. Kg Aktives System zur Beeinflussung eines Klangbilds eines Fahrzeugs

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070068719A1 (en) * 2005-09-26 2007-03-29 Yang Hong Y Device for changing the original engine sound of a vehicle
CN104924978A (zh) * 2014-03-23 2015-09-23 李笑非 手机上的车载娱乐装置
US20170133003A1 (en) * 2015-11-06 2017-05-11 Eberspächer Exhaust Technology GmbH & Co. KG Sound generator for mounting on a vehicle to manipulate vehicle noise

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
DE3822549A1 (de) * 1988-07-04 1988-12-08 Bernd Namendorf Elektrischen strom erzeugender verbrennungsmotor
DE19617465C2 (de) * 1996-05-02 1999-05-20 Dornier Gmbh Verfahren und Vorrichtung zur aktiven Schallreduzierung
KR100333291B1 (ko) * 1999-12-31 2002-04-25 이계안 자동차용 배기 파이프 지지 구조
DE102004038782A1 (de) 2004-08-10 2006-03-02 Daimlerchrysler Ag Endrohrblende für eine Abgasleitung eines Kraftwagens
DE102005028369A1 (de) * 2005-06-20 2006-12-21 Robert Bosch Gmbh Schalldämpfungseinrichtung und Verfahren zum Betreiben einer Schalldämpfungseinrichtung
US8204243B2 (en) * 2007-09-21 2012-06-19 United Parcel Service Of America, Inc. Synthetic engine sound for electric vehicle based on detected direction of travel
WO2010149753A1 (fr) * 2009-06-24 2010-12-29 Zentrum Mikroelektronik Dresden Ag Ensemble et procédé pour contrôler des éléments amovibles d'un véhicule automobile
AT10959U3 (de) * 2009-09-03 2010-06-15 Avl List Gmbh Ultraschall-gasdurchflusssensor sowie verfahren zur ermittlung des durchflusses von gasen
EP2293288A1 (fr) * 2009-09-07 2011-03-09 Remus Innovation Forschungs- und Abgasanlagen-Produktionsgesellschaft m.b.H. Dispositif de sortie de signaux acoustiques pour véhicules
DE102014208722A1 (de) 2014-05-09 2015-11-12 Bayerische Motoren Werke Aktiengesellschaft Endrohrblende für eine Abgasanlage eines Kraftfahrzeugs sowie Abgasanlage mit einer solchen Endrohrblende
DE102017103636A1 (de) 2016-04-06 2017-10-12 Eberspächer Exhaust Technology GmbH & Co. KG System und verfahren zur aktiven schallbeeinflussung
DE202017103871U1 (de) * 2017-06-29 2017-07-21 Liang Fei Industry Co. Ltd. Zusätzlicher Lautsprecher für Fahrzeuge und Zweiräder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070068719A1 (en) * 2005-09-26 2007-03-29 Yang Hong Y Device for changing the original engine sound of a vehicle
CN104924978A (zh) * 2014-03-23 2015-09-23 李笑非 手机上的车载娱乐装置
US20170133003A1 (en) * 2015-11-06 2017-05-11 Eberspächer Exhaust Technology GmbH & Co. KG Sound generator for mounting on a vehicle to manipulate vehicle noise

Also Published As

Publication number Publication date
DE102017219573A1 (de) 2019-05-09
EP3481081B1 (fr) 2020-10-07
DE102017219573B4 (de) 2021-11-11

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