WO2012141326A1 - Dispositif acoustique pour véhicule - Google Patents

Dispositif acoustique pour véhicule Download PDF

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Publication number
WO2012141326A1
WO2012141326A1 PCT/JP2012/060271 JP2012060271W WO2012141326A1 WO 2012141326 A1 WO2012141326 A1 WO 2012141326A1 JP 2012060271 W JP2012060271 W JP 2012060271W WO 2012141326 A1 WO2012141326 A1 WO 2012141326A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
engine
sound
acoustic device
intake
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.)
Ceased
Application number
PCT/JP2012/060271
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English (en)
Japanese (ja)
Inventor
秀樹 大澤
平二 丸山
鈴木　保之
洋佑 久野
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.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co Ltd
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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Publication of WO2012141326A1 publication Critical patent/WO2012141326A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G10K11/18—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0217—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for loud-speakers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • F02M35/1038—Sensors for intake systems for temperature or pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1294—Amplifying, modulating, tuning or transmitting sound, e.g. directing sound to the passenger cabin; Sound modulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
    • F02M35/0205—Details, e.g. sensors or measuring devices
    • F02M35/0207—Details, e.g. sensors or measuring devices on the clean air side
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • F02M35/10386—Sensors for intake systems for flow rate

Definitions

  • the present invention relates to an audio device for a vehicle for transmitting an intake sound of an engine of the vehicle to a passenger in the vehicle.
  • This vehicle acoustic device includes an engine intake intake and a sound pressure sensor disposed in an intake pipe, a rotation pulse sensor for detecting an ignition pulse of the engine, and an accelerator opening for detecting an accelerator pedal depression amount.
  • a degree sensor, a speaker arranged in the engine room and the vehicle compartment, and a controller for outputting engine operation sound are provided.
  • the controller also includes an order filter that changes the sound wave signal of the sound pressure sensor that is passed according to the input frequency from the rotation pulse sensor, and the opening signal from the accelerator opening sensor that is used to change the sound pressure of the sound wave signal that has passed the order filter.
  • a level adjuster that increases or decreases according to the condition.
  • the sound wave signal output from the controller is amplified by the amplifier and output from the speaker.
  • the sound pressure sensor is attached to the outside air intake port of the air cleaner and the outside air intake port of the air duct arranged on the upstream side of the air cleaner, or the intake manifold. For this reason, when the sound pressure sensor is attached to the air cleaner and the outside air intake port of the air cleaner, the intake sound is reduced and it is difficult to detect the sound pressure of the intake sound. As a result, a highly accurate device is required as a device for reproducing the intake sound.
  • the sound pressure sensor is attached to the intake manifold, the fluctuation of the pulsation increases because it is close to the engine that generates the explosion sound, and the sound generated by the speaker becomes a sound with rough stimulation. is there. Further, when a microphone is used as a sound pressure sensor and attached to an air cleaner and an outside air intake port of the air cleaner, a sound from the outside is also detected and it is difficult to obtain a preferable engine intake sound.
  • the present invention has been made to address the above-described problems, and an object of the present invention is to provide a vehicular acoustic device capable of generating a comfortable sound close to an actual engine intake sound in the vehicle.
  • an object of the present invention is to provide a vehicular acoustic device capable of generating a comfortable sound close to an actual engine intake sound in the vehicle.
  • the reference numerals of corresponding portions of the embodiment are shown in parentheses in order to facilitate understanding of the present invention.
  • the present invention should not be construed as being limited to the configurations of the corresponding portions indicated by the reference numerals of the forms.
  • the structural feature of the vehicle acoustic device according to the present invention is that the intake sound of the engine (12, 42, 52) of the vehicle (10, 40, 50, 60, 70)
  • the vehicle acoustic device (20) for transmitting to an occupant an air intake duct (16) connecting an air cleaner (16) provided on the intake port side for taking in external air and a throttle body (17) provided on the engine side 15)
  • a pressure sensor (21) which is provided in the air cleaner side portion from the center and detects the pressure fluctuation of the intake air pulsation of the engine and outputs it as a pressure signal, and a signal which performs a process of changing the pressure signal according to the driving state of the vehicle
  • the vehicle acoustic device makes it possible to hear the engine intake sound according to the driving condition by the driver's operation clearly in the vehicle while emitting the sound to the outside with a small sound.
  • the pressure sensor is provided on the air cleaner side portion of the intake duct connecting the throttle body and the air cleaner, it is not affected by sound outside the vehicle such as traveling wind, driving sound of the engine, and explosion sound, It becomes possible to effectively detect the pressure fluctuation of the intake pulsation, so that the sound heard by the occupant in the vehicle is close to the actual intake sound of the engine.
  • the engine sound that can be actually heard while the vehicle is running is heard from outside the upstream side of the air cleaner, and according to the present invention, the intake sound generated from the speaker is close to the actual intake sound. .
  • an air flow meter (18) for detecting the air flow rate is installed in the vicinity of the air cleaner in the intake duct, and the pressure sensor is directed from the air flow meter toward the throttle body. Is provided in a portion within 20 cm. According to the present invention, the pulsation of the intake pressure generated in the intake duct can be detected by the pressure sensor with less noise.
  • intake ducts There are various lengths of intake ducts, but according to the experimental results, even if a short intake duct is used, it is good when the pressure sensor is provided within 20 cm from the air flow meter toward the throttle body. I was able to get a good result.
  • Still another structural feature of the vehicle acoustic device according to the present invention is that a tubular communication portion (21a) extending outward from the outer peripheral portion of the intake duct is provided, and a pressure sensor is installed at the tip of the communication portion, The distance between the base end portion on the intake duct side in the communication portion and the pressure sensitive portion provided in the pressure sensor is set within 4 cm.
  • the frequency detected by the pressure sensor is 2 kHz or higher, for example, a sound uncomfortable for the passenger may be generated.
  • a pressure sensor having a sensitivity range of 1 to 2 kHz. In the case of this sensitivity range, it is possible to prevent resonance between the intake duct and the pressure sensor by making the length of the communication portion connecting the intake duct and the pressure sensor within 4 cm.
  • the wavelength is 340 m / 2000 Hertz, so it is 170 mm.
  • resonance occurs when the length is 1 ⁇ 4 or more of the wavelength. Therefore, it becomes a case of 42.5 mm or more.
  • the distance between the intake duct and the pressure sensing part of the pressure sensor should be set within 4 cm so as to be shorter than a quarter wavelength of the frequency to be obtained. This can prevent the occurrence of resonance. According to the present invention, it is possible to prevent the detection of the pressure sensor from being adversely affected by providing the pressure sensor via the communication portion.
  • the pressure sensor measures both positive pressure and negative pressure.
  • a pressure sensor that can only measure negative pressure if a positive pressure region occurs when the accelerator is stepped on suddenly, the sound generated by the speaker may be cracked.
  • the pressure sensor measures both the positive pressure and the negative pressure, so that it is possible to detect the intake pulsation faithfully without erasing the intake pulsation even in the full load transient period.
  • Still another structural feature of the vehicular audio apparatus is that the speaker is arranged so as to be able to generate intake sound in a direction from the direction in which the engine in the vehicle is arranged toward the vehicle interior. According to the present invention, since the intake sound generated from the speaker can be heard from the direction in which the engine is disposed, it can be felt that the actual intake sound of the engine can be heard. Further, in the present invention, it is preferable that the speaker is arranged facing the driver's seat. According to this, since the intake sound is generated from the speaker toward the driver sitting in the driver's seat, the driver directly hears the intake sound. It becomes audible and the feeling of maneuvering increases.
  • Still another structural feature of the vehicular audio apparatus according to the present invention is that an odd number of speakers are provided, and one of the speakers (56) is arranged at the center in the width direction of the vehicle.
  • the number of speakers may be an odd number or an even number, but in the case of an odd number, one speaker is arranged at the center in the vehicle width direction.
  • an arrangement in which the speaker is directly exposed in the vehicle interior, such as an audio speaker, can be considered, but the dashboard is located in the front of the vehicle interior of the vehicle. (71).
  • the speaker is directly fixed to a part on the vehicle body side such as a wall surface of the dashboard.
  • the intake sound can be heard from the back side of the vehicle body, and the fluctuation feeling of the intake sound becomes natural.
  • intake noise can be felt from the entire vehicle body using vibration propagation of the vehicle body.
  • Still another structural feature of the vehicle acoustic device includes a rotation sensor that detects the engine speed and an opening sensor that detects the opening of a throttle valve provided in the throttle body, and performs signal processing. Is to perform a process of changing the sound pressure signal using the engine speed detected by the rotation sensor and the throttle opening detected by the opening sensor.
  • the intake sound output from the speaker can be reproduced in the vehicle interior as an intake sound having attenuation characteristics close to actual engine intake sound and transmission loss.
  • the engine speed and the throttle opening are preferably used as parameters for amplifying the sound pressure level and the order component.
  • the opening sensor a sensor that directly detects the rotation angle of the throttle valve or a sensor that detects the amount of accelerator depression as the throttle opening can be used.
  • the vehicle speed detected by the vehicle speed sensor can be added as a parameter to the process of changing the sound pressure signal performed by the signal processing unit.
  • FIG. 1 schematically shows an automobile 10 provided with a vehicle acoustic device 20 (see FIG. 3) according to the embodiment.
  • the vehicle 10 is configured by an FF (front engine / front drive) vehicle or an FR (front engine / rear drive) vehicle in which an engine 12 is disposed at the front center of the vehicle body 11.
  • FF front engine / front drive
  • FR front engine / rear drive
  • an air cleaner 16 is connected to the engine 12 via a surge tank 14 and an intake duct 15, and a throttle body 17 is installed at a connecting portion between the surge tank 14 and the intake duct 15.
  • An air flow meter 18 is installed at the end of the intake duct 15 on the air cleaner 16 side.
  • External air is taken into the air cleaner 16 through an air duct provided on the outside, and foreign matter is removed in the air cleaner 16 and sent to the intake duct 15.
  • a throttle valve that opens and closes the air passage in the throttle body 17 by rotating about the shaft is disposed in the throttle body 17, and the air passing through the intake duct 15 depends on the opening of the throttle valve. Is sucked into the surge tank 14.
  • the surge tank 14 temporarily stores air to relieve flow rate fluctuations, and equalizes the amount of air supplied to a plurality of cylinders included in the engine 12.
  • the engine 12 generates a driving force by mixing the fuel supplied from the fuel system with air to cause an explosion.
  • the air flow meter 18 detects the flow rate of air flowing from the air cleaner 16 to the intake duct 15.
  • the vehicle acoustic device 20 includes a pressure sensor 21, an A / D converter 22, a signal processing unit 23, a D / A converter 24, an amplifier 25, and speakers 26a and 26b.
  • a control unit 27 is connected to the signal processing unit 23.
  • the vehicle acoustic device 20 also includes a rotation sensor 28, an opening degree sensor 29, a vehicle speed sensor 31, a changeover switch 32, and a memory unit 27a connected to the control unit 27.
  • the pressure sensor 21 is connected to the vicinity of the air flow meter 18 in the intake duct 15 (see FIG. 2) by the tubular communication portion 21a shown in FIG.
  • the pressure sensor 21 detects the pressure of air flowing through the intake duct 15 as a voltage.
  • FIG. 5 shows the pressure characteristics of the pressure sensor 21 and shows that the pressure applied to the pressure sensor 21 is proportional to the voltage generated thereby.
  • the pressure sensor 21 is constituted by a sensor that detects both positive pressure and negative pressure
  • the solid line in FIG. 6 indicates an output indicating the relationship between pressure and time when the pressure sensor 21 detects pressure. It is a waveform.
  • the broken line in FIG. 6 is an output waveform showing the relationship between pressure and time when the same pressure as the solid line is detected using a pressure sensor that detects only negative pressure. All values with "0" or more are cut.
  • the sensitivity range of the pressure sensor 21 is between 1 Hz and 2 kHz.
  • the communication portion 21a is formed of a flexible resin pipe having an inner diameter of 3 mm, an outer diameter of 6 mm, and a length of 4 cm. It extends upward from the top. And the pressure sensor 21 is attached to the upper end of the communication part 21a. The pressure sensor 21 closes the upper end of the communication portion 21a with the pressure-sensitive portion facing the communication portion 21a. Moreover, the center part of the base end part of the communication part 21a is located in a part within 20 cm from the air flow meter 18. The pressure pulsation detected by the pressure sensor 21 is sent to the A / D converter 22 as an electric signal, converted into a digital signal by the A / D converter 22 and sent to the signal processing unit 23.
  • the signal processing unit 23 filters the digital signal sent from the A / D converter 22 to change the frequency characteristics, and includes filters 23a and 23b.
  • the filter 23a includes, for example, a plurality of filters a and b shown in FIG.
  • the filter a indicated by the solid line in FIG. 7 increases the gain in each of the low frequency region and the high frequency region, and decreases the gain in the region between them.
  • the filter b indicated by a broken line in FIG. 7 decreases the gain in the low frequency region and the high frequency region, and increases the gain in the region between them.
  • the filter 23a includes filters other than the filters a and b, and an arbitrary filter among these filters can be selected.
  • the filter 23b changes the overall gain of the filter characteristics of the filter 23a, and is configured by, for example, the map shown in FIG. This map generally increases the gain of the filter 23 a based on the rotational speed of the engine 12 detected by the rotation sensor 28 and the opening of the throttle valve detected by the opening sensor 29.
  • the interval between the minimum value (0) and the maximum value of the engine speed rpm shown on the horizontal axis is divided into four equal parts, and the minimum value (0) of the throttle opening shown on the vertical axis.
  • the maximum value (100) are divided into five equal parts, and a gain that is increased in a region where each engine speed region and each throttle opening region intersect is described.
  • the gain of the filter 23a is increased as a whole by performing interpolation based on numerical values obtained from the engine speed and the throttle opening.
  • the digital signal processed by the signal processing unit 23 is converted into an analog signal by the D / A converter 24, amplified by the amplifier 25, and then output from the speakers 26 a and 26 b.
  • the speakers 26a and 26b are provided on the left and right of the front portion of the vehicle body 11, and as shown in FIG. 1, the speaker 26a is a small case provided on the left side of the dashboard provided on the front portion of the vehicle body 11.
  • the speaker 26b is installed inside the wall panel on the right side of the dashboard.
  • the speakers 26a and 26b are both installed in a direction that allows sound generation from the engine 12 side toward the vehicle interior.
  • the control unit 27 is connected to the memory unit 27a, and the memory unit 27a stores a control program for controlling the vehicle acoustic device 20, various data, and the like. And the control part 27 runs the control program memorize
  • the rotation sensor 28 is installed in the vicinity of the engine 12, detects the rotation speed of the engine 12, and sends the detected value to the control unit 27 as a signal.
  • the opening sensor 29 is installed on the shaft of the throttle valve, detects the rotation angle of the shaft as the opening of the throttle valve, and sends the detected value to the control unit 27 as a signal.
  • the vehicle speed sensor 31 is installed in the transmission, detects the traveling speed of the automobile 10, and sends the detected value as a signal to the control unit 27.
  • the changeover switch 32 is installed on the front surface of the dashboard of the vehicle body 11 and is operated to select an arbitrary filter in the filter 23a.
  • the vehicle acoustic device 20 includes a main switch for turning on and off the vehicle acoustic device 20, an operator and a speaker for adjusting the overall volume of the speakers 26a and 26b.
  • a localization operator for adjusting the localization of the sound by changing the volume balance of the sound generated from the sounds 26a and 26b is provided.
  • the changeover switch 32 can perform remote operation using radio, and can switch the filter 23a using, for example, a mobile phone.
  • the signal processing unit 23 can be rewritten via a mobile phone or the like.
  • the changeover switch 32 is operated to select an arbitrary filter in the filter 23a.
  • the start switch is turned on to operate the engine 12, and the main switch of the vehicle acoustic device 20 is turned on.
  • the automobile 10 is driven by stepping on the accelerator.
  • the control unit 27 determines a gain value to be amplified from the filter 23b based on the detection values sent from the rotation sensor 28 and the opening sensor 29, and selects the value in the filter 23a. Add to filter. Further, the filter 23a can be changed by operating the changeover switch 32 during traveling.
  • the pressure pulsation detected by the pressure sensor 21 is processed by the signal processing unit 23, and the speakers 26 a and 26 b sound according to the filter characteristics processed by the signal processing unit 23.
  • the intake sound generated from the speakers 26 a and 26 b changes according to changes in the detected values of the pressure sensor 21, the rotation sensor 28 and the opening sensor 29.
  • the intake sound generated from the speakers 26a and 26b can be heard only by the passengers in the vehicle without leaking outside the vehicle when the window of the automobile 10 is closed.
  • the pressure sensor 21 is provided in the vicinity of the air flow meter 18 in the intake duct 15. Therefore, the pulsation of the natural intake sound of the engine 12 is effective without being too close to the engine 12 and being affected by the explosion sound or being too close to the outside to make it difficult to detect the sound pressure of the intake sound. Can be detected. As a result, the intake sound generated from the speakers 26 a and 26 b is close to the actual intake sound of the engine 12.
  • the length between the center part of the base end part of the communication part 21a and the air flow meter 18 was calculated
  • a pressure sensor 21 having a sensitivity range of 1 to 2 kHz is used, and this pressure sensor 21 is connected to the outer periphery of the intake duct 15 by a tubular communication portion 21a having a length of 4 cm. ing.
  • the sensitivity range of the pressure sensor 21 from 1 Hz to 2 kHz, it is possible to generate only comfortable sounds on the speakers 26a and 26b, excluding sounds uncomfortable for the occupant, and the communication portion 21a.
  • the length By setting the length to 4 cm, it is possible to prevent resonance from occurring in the communication portion 21a.
  • the speakers 26a and 26b are arranged on the left and right sides of the dashboard at the front of the vehicle body 11 so that sound can be generated from the engine 12 side toward the interior of the vehicle, the intake sound generated from the speakers 26a and 26b The sound can be heard from the direction of the engine 12, and it can be felt that the actual intake sound of the engine 12 can be heard.
  • the map of the filter 23b for amplifying the sound pressure signal is based on the engine speed detected by the rotation sensor 28 and the throttle opening detected by the opening sensor 29. Therefore, the sound output from the speakers 26a and 26b can be reproduced as a sound having an attenuation characteristic close to the actual intake sound of the engine 12 and a transmission loss.
  • the filter 23a includes a plurality of filters, and any filter can be selected. Therefore, the sound output from the speakers 26a and 26b can be changed to an arbitrary one, and the volume and sound localization can also be changed. can do.
  • FIG. 9 schematically shows an automobile 40 provided with the vehicle acoustic device according to the second embodiment of the present invention.
  • the automobile 40 is configured by an MR (midship engine / rear drive) vehicle or an RR (rear engine / rear drive) vehicle in which an engine 42 is disposed at the center of the rear portion of a vehicle body 41.
  • a pair of speakers 46 a and 46 b are provided on the left and right of the rear seat of the vehicle body 41.
  • the speakers 46a and 46b are both installed in a direction in which sound can be produced from the engine 42 side toward the vehicle interior.
  • the rotation sensor 48 is provided in the engine 42.
  • An opening sensor for detecting the opening of the throttle valve is provided in the throttle body.
  • the configuration of the other parts of the vehicle acoustic device provided in the automobile 40 is the same as that of the vehicle acoustic device 20 described above. Accordingly, the same parts are denoted by the same reference numerals and the description thereof is omitted.
  • the speakers 46a and 46b are arranged on the left and right sides behind the rear seat of the vehicle body 41 so that sound can be emitted from the engine 42 side installed at the rear of the vehicle body 41 toward the vehicle interior.
  • the intake sound generated from 46a and 46b can be heard from the direction of the engine 42, and it can be felt that the actual intake sound of the engine 42 can be heard.
  • Other functions and effects of the vehicle acoustic device according to the second embodiment are the same as those of the vehicle acoustic device 20 described above.
  • FIG. 10 shows an outline of an automobile 50 including a vehicle acoustic device according to the third embodiment of the present invention. Similar to the automobile 10 of the first embodiment described above, the automobile 50 is configured by an FF vehicle or an FR vehicle in which an engine 52 is disposed at the front center of the vehicle body 51. In place of the speakers 26 a and 26 b of the automobile 10, one speaker 56 is provided on the dashboard at the front of the vehicle body 51. The speaker 56 is installed in a direction in which sound can be generated from the engine 52 side toward the vehicle interior.
  • the configuration of the other parts of the vehicle acoustic device provided in the automobile 50 is the same as that of the vehicle acoustic device 20 described above. Accordingly, the same parts are denoted by the same reference numerals and the description thereof is omitted.
  • the speaker 56 is arranged on the dashboard at the front portion of the vehicle body 51 so that sound can be emitted from the engine 52 side installed at the front portion of the vehicle body 51 toward the inside of the vehicle.
  • Inspired sound does not vary from side to side and can be heard in a balanced manner.
  • the other effects of the vehicle acoustic device according to the third embodiment are the same as those of the vehicle acoustic device 20 described above.
  • FIG. 11 schematically shows an automobile 60 provided with the vehicle acoustic device according to the fourth embodiment of the present invention.
  • the automobile 60 is configured by an FF vehicle or an FR vehicle, which is the same as the automobile 10 of the first embodiment described above.
  • the automobile 10 is further provided with a pair of speakers 66a and 66b.
  • the speaker 66a is installed indoors on the front left door
  • the speaker 66b is installed indoors on the front right door.
  • the configuration of the other parts of the vehicle acoustic device provided in the automobile 60 is the same as that of the vehicle acoustic device 20 described above. Accordingly, the same parts are denoted by the same reference numerals and the description thereof is omitted.
  • the intake sound generated from the speakers 26a and 26b can be heard from the direction of the engine 12, and the intake sound generated from the speakers 66a and 66b can be heard from the left and right sides of the vehicle body 11, thus providing a three-dimensional effect. You can hear the intake sound.
  • Other functions and effects of the vehicle acoustic device according to the fourth embodiment are the same as those of the vehicle acoustic device 20 described above.
  • FIG. 12 shows an outline of an automobile 70 including a vehicle acoustic device according to the fifth embodiment of the present invention.
  • This automobile 70 is configured by an FF vehicle or an FR vehicle, which is the same as the automobile 10 of the first embodiment described above, and has a configuration in which speakers 76a and 76b are provided instead of the speakers 26a and 26b of the automobile 10. ing.
  • the speakers 76 a and 76 b are installed in the dashboard 71.
  • the configuration of the other parts of the vehicle acoustic device provided in the automobile 70 is the same as that of the vehicle acoustic device 20 described above. Accordingly, the same parts are denoted by the same reference numerals and the description thereof is omitted.
  • the intake sound can be heard from the back side of the vehicle body 11, and the fluctuation feeling of the intake sound becomes natural.
  • the intake sound can be felt from the entire vehicle body 11 by utilizing the vibration propagation of the vehicle body 11.
  • Other functions and effects of the vehicle acoustic device according to the fifth embodiment are the same as those of the vehicle acoustic device 20 described above.
  • the vehicle acoustic device according to the present invention is not limited to the embodiment described above, and can be implemented with appropriate modifications.
  • the signal processing unit 23 performs the process of changing the sound pressure signal using the engine speed detected by the rotation sensor 28 and the throttle opening detected by the opening sensor 29.
  • the vehicle speed detected by the vehicle speed sensor 31 can be added as a parameter.
  • Each of the speakers 26a and 26b described above may be provided as a dedicated speaker for the vehicle acoustic device 20, or may be used in combination with an audio speaker provided in the automobile 10 or the like.

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

Abstract

L'invention porte sur un dispositif acoustique (20) pour un véhicule, lequel dispositif est configuré à partir d'un capteur de pression (21) pour détecter la pression acoustique du bruit d'aspiration d'un moteur (12) et pour délivrer en sortie ladite pression acoustique comme signal de pression acoustique, d'une unité de traitement du signal (23) pour changer le signal de pression acoustique en fonction de l'état de fonctionnement d'une automobile (10), et de haut-parleurs (26a, 26b) pour délivrer en sortie le signal de pression acoustique comme bruit d'aspiration du moteur (12). Le capteur de pression (21) est disposé sur une section d'un conduit d'aspiration (15) pour relier un dispositif de nettoyage d'air (16) à un corps d'étranglement (17), la section précédemment mentionnée étant au voisinage d'un débitmètre d'air (18) plus proche du dispositif de nettoyage d'air (16) que du centre du conduit d'aspiration (15).
PCT/JP2012/060271 2011-04-14 2012-04-16 Dispositif acoustique pour véhicule Ceased WO2012141326A1 (fr)

Applications Claiming Priority (2)

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JP2011-090498 2011-04-14
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013157539A1 (fr) * 2012-04-16 2013-10-24 ヤマハ発動機株式会社 Appareil de production de son pour véhicule, et procédé de production de son pour véhicule
GB2539482A (en) * 2015-06-18 2016-12-21 Mclaren Automotive Ltd Sound generator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0241953A (ja) * 1988-08-02 1990-02-13 Mazda Motor Corp 車室内音制御装置
JP2002520680A (ja) * 1998-07-14 2002-07-09 テュフ オートモーティブ ゲーエムベーハー ウンターネーメンスグルッペ テュフ ズィードドイチュラント エンジンの運転状態に関連する音を自動車の室内に発生させるための方法及び装置
JP2004074994A (ja) * 2002-08-21 2004-03-11 Mazda Motor Corp 車室内音制御装置
JP2007212616A (ja) * 2006-02-08 2007-08-23 Toshiyuki Kogure 車両の擬似音発生装置
JP2008013064A (ja) * 2006-07-06 2008-01-24 Nissan Motor Co Ltd 自動車用内燃機関の運転音伝達装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0241953A (ja) * 1988-08-02 1990-02-13 Mazda Motor Corp 車室内音制御装置
JP2002520680A (ja) * 1998-07-14 2002-07-09 テュフ オートモーティブ ゲーエムベーハー ウンターネーメンスグルッペ テュフ ズィードドイチュラント エンジンの運転状態に関連する音を自動車の室内に発生させるための方法及び装置
JP2004074994A (ja) * 2002-08-21 2004-03-11 Mazda Motor Corp 車室内音制御装置
JP2007212616A (ja) * 2006-02-08 2007-08-23 Toshiyuki Kogure 車両の擬似音発生装置
JP2008013064A (ja) * 2006-07-06 2008-01-24 Nissan Motor Co Ltd 自動車用内燃機関の運転音伝達装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013157539A1 (fr) * 2012-04-16 2013-10-24 ヤマハ発動機株式会社 Appareil de production de son pour véhicule, et procédé de production de son pour véhicule
JP5636117B2 (ja) * 2012-04-16 2014-12-03 ヤマハ発動機株式会社 車両用音発生装置および車両用音発生方法
EP2839993A4 (fr) * 2012-04-16 2016-04-06 Yamaha Motor Co Ltd Appareil de production de son pour véhicule, et procédé de production de son pour véhicule
US9479851B2 (en) 2012-04-16 2016-10-25 Yamaha Hatsudoki Kabushiki Kaisha Vehicle sound generation apparatus, and vehicle sound generation method
GB2539482A (en) * 2015-06-18 2016-12-21 Mclaren Automotive Ltd Sound generator
GB2539482B (en) * 2015-06-18 2020-07-15 Mclaren Automotive Ltd Sound generator

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