WO2014083702A1 - 車両集音構造及び集音装置 - Google Patents
車両集音構造及び集音装置 Download PDFInfo
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- WO2014083702A1 WO2014083702A1 PCT/JP2012/081183 JP2012081183W WO2014083702A1 WO 2014083702 A1 WO2014083702 A1 WO 2014083702A1 JP 2012081183 W JP2012081183 W JP 2012081183W WO 2014083702 A1 WO2014083702 A1 WO 2014083702A1
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- WIPO (PCT)
- Prior art keywords
- sound
- vehicle
- sound collector
- collector
- wall surface
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Classifications
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- 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
- B60R11/0247—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for microphones or earphones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/48—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/002—Air treatment devices
- B60T17/008—Silencer devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/0006—Noise or vibration control
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- 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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
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- 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 present invention relates to a vehicle sound collection structure and a sound collection device.
- a sound collecting device including a plurality of sound collectors collects surrounding sounds, and specifies the position of a sound source (particularly, a running sound of a vehicle) based on the arrival time difference between the sounds. .
- the frequency components in the low frequency region and the high frequency region are respectively removed from the electrical signals output from a plurality of microphones arranged at predetermined intervals by a band pass filter.
- the signal is converted into a signal, and the power of a predetermined frequency band in which the characteristics of the running sound of the vehicle appear is calculated from the corrected electric signal.
- the power level is greater than a predetermined value, it is determined that there is an approaching vehicle, and unnecessary noise components are removed by the corrected electrical signal and converted into a noise suppression signal.
- the correlation is calculated, and the approaching direction of the approaching vehicle is calculated from the arrival time difference at which the correlation is maximum.
- an object of the present invention is to provide a vehicle sound collection structure and a sound collection device with improved sound collection performance.
- the vehicle sound collecting structure according to the present invention is a vehicle sound collecting structure that collects sound emitted from a target object by a sound collector provided in the vehicle, and the sound emitted from the target object is supplied to the sound collector.
- the vehicle sound collection structure includes a guide unit that guides the sound emitted from the target object to the sound collector, and a discharge unit that prompts the foreign matter entering the guide unit to be discharged. Therefore, foreign matters such as rain and dust that try to enter the sound collector are discharged outside the guiding portion by the discharging portion even if they reach the guiding portion. Therefore, it is possible to avoid a situation in which foreign matter such as rain or dust accumulates in the vicinity of the sound collector, so that the entry of foreign matter can be prevented and the sound collecting performance can be improved.
- the vehicle sound collection structure according to the present invention may be provided with a windbreak portion that prevents the wind from entering the sound collector. In this case, since it becomes difficult for the wind to enter the sound collector, the sound collecting performance can be further improved.
- the guide portion may have a shape that spreads outward from the sound collector. In this case, a configuration for improving the sound collecting performance can be easily realized.
- the vehicle sound collecting structure is a vehicle sound collecting structure that collects sound emitted from a target object by a sound collector provided in the vehicle, and the sound emitted from the target object is supplied to the sound collector.
- the vehicle has a wall surface on the front side of the vehicle and a wall surface on the rear side of the vehicle facing each other across the sound collector, and the wall surface on the rear side of the vehicle is directed outward from the sound collector.
- a guide portion including a portion extending rearward in the front-rear direction of the vehicle is provided.
- the vehicle sound collection structure has a wall surface on the front side of the vehicle and a wall surface on the rear side of the vehicle that are opposed to each other with the sound collector interposed therebetween, and is behind the guiding portion that guides sound to the sound collector.
- the wall surface includes a portion extending rearward from the vehicle width direction. Therefore, while reliably collecting the sound emitted from the target object, foreign matters such as rain and dust can collide with a portion extending rearward and then discharged to the rear of the vehicle. Accordingly, foreign matters such as rain and dust can be easily removed without being brought close to the sound collector, so that the entry of foreign matters can be suppressed and the sound collecting performance can be improved.
- the wall surface on the front side of the vehicle opposite to the wall surface on the rear side of the vehicle indicates that the vehicle sound collecting structure is opposed to each other when viewed in a horizontal sectional view.
- the wall surface itself may be a flat surface or a curved surface.
- the front wall surface of the guide portion of the vehicle may extend toward the front side of the vehicle. As described above, by extending the front wall surface of the guide portion toward the front side, it is possible to prevent the wind from entering the sound collector from the front during traveling of the vehicle or the like. Therefore, since it becomes difficult for the wind to enter the sound collector, the sound collecting performance can be further improved.
- the guide portion may have a shape that spreads outward from the sound collector. In this case, a configuration for improving the sound collecting performance can be easily realized.
- the angle formed between the rear wall surface of the guide portion of the vehicle and the front wall surface of the guide portion of the vehicle is greater than 30 degrees and smaller than 60 degrees.
- the sound collector may face the front side so as to form an angle greater than 0 degree and less than 30 degrees with respect to the vehicle width direction.
- the direction of the sound collector and the opening angle are set to optimum values in consideration of the angle at which the target object is present with respect to the own vehicle, the intersection road angle distribution, the swing angle of the own vehicle, and the like. Therefore, it is possible to further improve the sound collecting performance while reliably preventing the entry of foreign matter.
- the sound collector according to the present invention is a sound collector that is set at a predetermined position and collects sound emitted from the target object by the sound collector, and is configured to collect sound emitted from the target object to the sound collector.
- a guiding unit for guiding, and a discharge unit that, when installed at a predetermined position, prompts the foreign matter entering the guiding unit to be discharged to the outside of the guiding unit.
- the sound collecting device includes a guide unit that guides sound to the sound collector, and a discharge unit that prompts discharge of an object that enters the guide unit. Therefore, foreign matters such as rain and dust that try to enter the sound collector are discharged outside the guiding portion by the discharging portion even if they reach the guiding portion. Therefore, it is possible to avoid a situation in which foreign matter such as rain or dust accumulates in the vicinity of the sound collector, so that the entry of foreign matter can be prevented and the sound collecting performance can be improved.
- the sound collecting device may be provided with a windbreak portion that prevents the wind from entering the sound collector, and the guide portion has a shape that widens from the sound collector toward the outside. It may be. In this case, the same effect as the vehicle sound collection structure described above can be obtained.
- the sound collector according to the present invention is a sound collector that is installed at a predetermined position and collects sound emitted from a target object by a sound collector, and includes wall surfaces facing each other across the sound collector. And, when installed at a predetermined position, any one of the wall surfaces facing each other includes a guide portion including a portion extending rearward in the front-rear direction at the predetermined position toward the outside from the sound collector.
- the sound collecting device includes a portion where any one of the wall surfaces facing each other extends rearward as it goes outward from the sound collector. Therefore, while collecting sound reliably, foreign matters such as rain and dust can collide with a portion extending rearward and then discharged. Therefore, foreign matters such as rain and dust can be reliably removed without being brought close to the sound collector, so that foreign matter can be prevented from entering and sound collecting performance can be improved.
- the guide portion when installed at a predetermined position, the guide portion may be arranged such that any one of the opposing wall surfaces of the guide portion extends to the front side.
- the guide portion may have a shape that widens from the sound collector toward the outside. In this case, the same effect as the vehicle sound collection structure described above can be obtained.
- the angle formed between the rear wall surface of the guiding portion and the front wall surface of the guiding portion is larger than 30 degrees and larger than 60 degrees.
- the sound collector may be arranged so as to face the front side so as to form an angle greater than 0 degree and less than 30 degrees with respect to the left-right direction at a predetermined position.
- the direction of the sound collector and the opening angle are set to optimum values in consideration of the angle at which the target object is present with respect to the own vehicle, the intersection road angle distribution, the swing angle of the own vehicle, and the like. Therefore, it is possible to further improve the sound collecting performance while reliably preventing the entry of foreign matter.
- the sound collection device 1 collects environmental sound (sound outside the vehicle when mounted on a vehicle) including a sound emitted from an object to be detected by the microphone 3 and sends the sound to the microphone 3.
- a guiding part 6 for guiding and a discharge part 7 for urging the foreign matter such as rain and dust entering the guiding part 6 to be discharged to the outside of the guiding part 6 are provided.
- the sound collecting device 1 includes a windbreak unit 8 that suppresses wind from entering the microphone 3 from the front in the vehicle traveling direction.
- the sound collecting device 1 has a vehicle sound collecting structure capable of collecting, for example, a running sound of a vehicle approaching the host vehicle from a front side that may collide with an encounter.
- the sound collection device 1 includes a vehicle bumper 2, a casing 4 that holds the microphone 3, and a cover portion 5 that is disposed along the outer peripheral surface of the bumper 2 in addition to the microphone 3 described above. And is configured.
- the bumper 2 is located in front of the microphone 3 and extends obliquely rearward (in FIG. 1 diagonally rearward in the right direction) via the front part 2a constituting the front part of the vehicle and the cover part 5 from the rear end of the front part 2a. And side part 2b.
- the same structure as the front part 2a and the side part 2b is also provided on the left side of the vehicle.
- the microphone 3 has a function of converting the collected sound signal into an electric signal and transmitting it to an ECU (Electronic Control Unit) mounted on the vehicle.
- the microphone 3 faces the front side so as to form an angle of ⁇ mc with respect to the vehicle width direction (right direction in the left-right direction of the vehicle) with reference to the center of the microphone when mounted on the vehicle.
- the value of ⁇ mc is greater than 0 degrees and less than 30 degrees in consideration of the tendency of the angle at which other vehicles exist with respect to the host vehicle.
- the casing 4 is attached between the front part 2a and the side part 2b by screws or the like, for example.
- the casing 4 is held in a state where the casing 4 is directed to the right side so as to form an angle of ⁇ mc with respect to the vehicle width direction (right direction in the left-right direction of the vehicle) with reference to the center of the microphone mounted on the vehicle. ing.
- the cover part 5 is provided to improve the design of the vehicle so that the microphone 3 and the casing 4 cannot be easily seen from the outside, and is arranged along the outer surfaces of the front part 2a and the side part 2b. Has been.
- the cover portion 5 has, for example, a mesh shape having a fine mesh, and the cover portion 5 may suppress entry of foreign matter into the microphone 3.
- the guide portion 6 opens toward the front side of the vehicle, and has a shape that widens from the microphone 3 toward the outside.
- the guide portion 6 is configured as a cutout portion in which the rear end portion of the front portion 2a and the front end portion of the side portion 2b are cut out, and as an inner wall surface of the casing 4 fitted in the cutout portion.
- the guiding portion 6 has a front wall surface of the vehicle and a rear wall surface of the vehicle facing each other with the microphone 3 interposed therebetween.
- the angle formed between the front wall surface of the guiding portion 6 and the rear wall surface of the guiding portion 6 is ⁇ mw .
- the value of ⁇ mw is larger than 30 degrees and smaller than 60 degrees in consideration of the distribution of the intersection road angle and the distribution of the swing angle of the host vehicle.
- induction part 6 may face the downward direction with respect to the horizontal direction, in order to avoid the approach of foreign materials, such as rain and dust.
- the rear wall surface of the guiding portion 6 extends rearward with respect to the vehicle width direction, and the wall surface extending rearward with respect to the vehicle width direction functions as the discharge portion 7. That is, the discharge unit 7 has a function of prompting the foreign matter entering the guide unit 6 to be discharged to the outside of the guide unit 6. Further, the discharge portion 7 has an extension wing extending obliquely rearward from the inner wall surface of the casing 4, and when the length of the extension wing in the vehicle width direction is L, there is a wing length viewed from the front of the vehicle. L> 0.
- the angle with respect to the vehicle width direction of the discharge portion 7, i.e., the angle of the rear side with respect to the vehicle width direction of the extension wing has a theta a
- the value of the theta a is ⁇ a> 0.
- the angle of the rear side with respect to the vehicle width direction of the side portions 2b and theta b satisfies ⁇ b> ⁇ a.
- a solid line arrow L1 indicates a discharge path for foreign matters such as wind, rain, and dust
- a broken line arrow L2 indicates an entry path for sound such as traveling sound.
- the wall surface on the front side of the guide portion 6 is formed so as to extend frontward with respect to the vehicle width direction, and the wall surface extending frontward with respect to the vehicle width direction is windbreakable. It functions as part 8. Specifically, the microphone 3 is protected from winds or the like entering from the front when the vehicle is running. As described above, the windbreak portion 8 has a function of preventing the wind from entering the microphone 3.
- the vehicle sound collection structure including the sound collection device 1 according to the present embodiment collects sound emitted from the target object by the microphone 3 that is a sound collector provided in the vehicle, and collects the sound from the target object.
- a guide unit 6 that guides the emitted sound to the microphone 3 and a discharge unit 7 that prompts the foreign matter entering the guide unit 6 to be discharged to the outside of the guide unit 6 are provided. Therefore, a situation in which foreign matter such as rain or dust accumulates in the vicinity of the microphone 3 can be avoided, so that entry of foreign matter into the microphone 3 can be prevented and sound collecting performance can be improved.
- the sound collecting device 1 since the sound collecting device 1 includes the windbreak portion 8 that prevents the wind from entering the microphone 3, the wind is less likely to enter the microphone 3, and the sound collecting performance can be further improved. .
- derivation part 6 becomes a shape which spreads as it goes outside from the microphone 3, and is open
- the sound collecting device 1 since the sound collecting device 1 includes a portion where the rear wall surface of the guiding portion 6 extends rearward with respect to the vehicle width direction, the sound collecting device 1 reliably collects the sound emitted from the target object, Foreign matter such as dust can collide with the wall surface of the guide portion 6 extending rearward, and then discharged to the rear of the vehicle. Accordingly, foreign matters such as rain and dust can be reliably removed without being brought close to the microphone 3, so that the foreign matter can be prevented from entering and the sound collecting performance of the microphone 3 can be improved.
- the sound collecting device 1 since the front wall surface of the guide portion 6 extends to the front side of the vehicle, the approach of wind from the front to the microphone 3 during vehicle traveling is sufficiently suppressed. Become. Therefore, since it becomes difficult for the wind to enter the microphone 3, the sound collecting performance can be further improved.
- the angle ⁇ mw formed between the rear wall surface of the guiding portion 6 and the front wall surface of the guiding portion 6 is larger than 30 degrees and smaller than 60 degrees
- the microphone 3 is The front side is directed so as to form an angle ⁇ mc that is greater than 0 degree and less than 30 degrees with respect to the vehicle width direction. Therefore, the direction and the opening angle of the microphone 3 are set to optimum values in consideration of the angle at which another vehicle is present with respect to the own vehicle, the intersection road angle distribution, the swing angle of the own vehicle, and the like. Therefore, it is possible to further improve the sound collection performance while reliably preventing foreign matter from entering the microphone 3.
- the above-described embodiment is a description of an embodiment of the vehicle sound collection structure and the sound collection device according to the present invention, and the vehicle sound collection structure and the sound collection device according to the present invention are described in this embodiment. It is not limited to.
- the vehicle sound collection structure and sound collection device according to the present invention are modified from the vehicle sound collection structure and sound collection device according to the present embodiment so as not to change the gist described in each claim, or applied to other devices. It may be a thing.
- the present invention is not limited to this example.
- a windshield portion 14 a extending in the front side of the vehicle in the case 14 of the microphone 13 and the vehicle width direction.
- you may comprise the discharge part 14b extended in the back side.
- the sound collecting device 21 may be provided separately from the vehicle and installed at a predetermined position such as the front side surface 22 of the vehicle, instead of the vehicle sound collecting structure.
- the case 24 of the microphone 23 includes the wind shield 24a that extends forward in the predetermined position and the discharge portion 24b that extends rearward in the left and right directions in the predetermined position. The same effect can be obtained.
- the structure of the discharge part that prompts the object to be discharged to the outside of the guide part is not limited to the above embodiment.
- a discharge path for an object extending rearward or rearward may be separately provided on the inner wall of the guide section, and this discharge path may be used as the discharge section.
- the structure of the windbreak portion that prevents the wind from entering is not limited to the above embodiment.
- a member such as a windshield filter may be separately provided in the cavity of the bumper, and this member may be used as the windshield portion.
- the Pampa may be curved like a snail, and the curved portion may be used as a windshield.
- the sound collecting device may be attached to a mirror, a vehicle body or the like in addition to the bumper. Furthermore, since it is used for purposes other than on-vehicle use, a sound collection device may be mounted on a device other than the vehicle.
- the friction coefficient of the wall surface forming the discharge portion 7 (the wall surface on the rear side of the guide portion 6) is made lower than the friction coefficient of the wall surface on the front side of the guide portion 6 so that the discharge of foreign matters can be further promoted. May be.
- the present invention can be used as a vehicle sound collection structure and a sound collection device with improved sound collection performance.
- SYMBOLS 1 Sound collecting device, 2 ... Bumper, 2a ... Front part, 2b ... Side part, 3 ... Microphone (sound collector), 4 ... Casing, 5 ... Cover part, 6 ... Induction part, 7 ... Discharge part, 8 ... Windbreak part.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
Description
第1実施形態に係る集音装置1は、マイク3により、検出対象物体から発せられた音を含む環境音(車両に搭載された場合には車外音)を集音し、音をマイク3へ誘導する誘導部6と、誘導部6に進入する雨や塵等の異物を誘導部6の外側へ排出することを促す排出部7とを備えている。また、集音装置1は、マイク3への車両進行方向の前方からの風の進入を抑制する風よけ部8を備えている。
Claims (14)
- 車両に設けられた集音器により対象物体から発せられる音を集音する車両集音構造であって、
前記対象物体から発せられる音を前記集音器へ誘導する誘導部と、
前記誘導部に進入する異物を前記誘導部の外側へ排出することを促す排出部と、
を備える車両集音構造。 - 前記集音器への風の進入を防止する風よけ部を備えた請求項1に記載の車両集音構造。
- 前記誘導部は、前記集音器から外側に向かうに従って広がる形状となっている請求項1又は2に記載の車両集音構造。
- 車両に設けられた集音器により対象物体から発せられる音を集音する車両集音構造であって、
前記対象物体から発せられる音を前記集音器へ誘導するものであって、前記集音器を挟んで互いに対向する前記車両の前方側の壁面と前記車両の後方側の壁面とを有し、前記車両の後方側の壁面が、前記集音器から外側に向かうに従って前記車両の前後方向の後方側に延びる部位を含む誘導部を備えた車両集音構造。 - 前記誘導部の前記車両の前方側の壁面は、前記車両の前側方に延びている請求項4に記載の車両集音構造。
- 前記誘導部は、前記集音器から外側に向かうに従って広がる形状となっている請求項4又は5に記載の車両集音構造。
- 前記誘導部の前記車両の後方側の壁面と、前記誘導部の前記車両の前方側の壁面とのなす角度は30度より大きく、かつ60度より小さくなっており、
前記集音器は、前記車両の車幅方向に対して0度より大きく、かつ30度未満の角度をなすように、前側方を向いている請求項4~6のいずれか一項に記載の車両集音構造。 - 所定位置に設置されて、集音器により対象物体から発せられる音を集音する集音装置であって、
前記対象物体から発せられる音を前記集音器へ誘導する誘導部と、
前記所定位置に設置された場合に、前記誘導部に進入する異物を前記誘導部の外側へ排出することを促す排出部と、
を備える集音装置。 - 前記集音器への風の進入を防止する風よけ部を備える請求項8に記載の集音装置。
- 前記誘導部は、前記集音器から外側に向かうに従って広がる形状となっている請求項8又は9に記載の集音装置。
- 所定位置に設置されて、集音器により対象物体から発せられる音を集音する集音装置であって、
前記集音器を挟んで互いに対向する壁面を有し、前記所定位置に設置された場合に、前記互いに対向する壁面のいずれかが、前記集音器から外側に向かうに従って前記所定位置における前後方向の後方側に延びる部位を含む誘導部を備えた集音装置。 - 前記所定位置に設置された場合に、前記誘導部は、前記誘導部の前記互いに対向する壁面のいずれかが前側方に延びるように、配置される請求項11に記載の集音装置。
- 前記誘導部は、前記集音器から外側に向かうに従って広がる形状となっている請求項11又は12に記載の集音装置。
- 前記所定位置に設置された場合に、前記誘導部の後方側の壁面と、前記誘導部の前方側の壁面とのなす角度は30度より大きく、かつ60度より小さくなり、前記集音器は、前記所定位置における左右方向に対して0度より大きく、かつ30度未満の角度をなすように、前側方を向いて配置される請求項11~13のいずれか一項に記載の集音装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/435,187 US20150258942A1 (en) | 2012-11-30 | 2012-11-30 | Vehicle sound collection structure, and sound collection device |
CN201280077323.XA CN104812625B (zh) | 2012-11-30 | 2012-11-30 | 车辆集音构造和集音装置 |
JP2014549746A JP5862798B2 (ja) | 2012-11-30 | 2012-11-30 | 車両集音構造及び集音装置 |
EP12889320.3A EP2927056A4 (en) | 2012-11-30 | 2012-11-30 | VEHICLE SOUND COLLECTION STRUCTURE AND SOUND COLLECTION DEVICE |
PCT/JP2012/081183 WO2014083702A1 (ja) | 2012-11-30 | 2012-11-30 | 車両集音構造及び集音装置 |
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PCT/JP2012/081183 WO2014083702A1 (ja) | 2012-11-30 | 2012-11-30 | 車両集音構造及び集音装置 |
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US (1) | US20150258942A1 (ja) |
EP (1) | EP2927056A4 (ja) |
JP (1) | JP5862798B2 (ja) |
CN (1) | CN104812625B (ja) |
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JP2016064763A (ja) * | 2014-09-25 | 2016-04-28 | 株式会社日本自動車部品総合研究所 | 音検出装置 |
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JP6592940B2 (ja) * | 2015-04-07 | 2019-10-23 | ソニー株式会社 | 情報処理装置、情報処理方法、及びプログラム |
DE102017200361A1 (de) * | 2017-01-11 | 2018-07-12 | Robert Bosch Gmbh | Kraftfahrzeug mit einer Vorrichtung zur luftschallakustischen Sensierung der Umgebung des Kraftfahrzeugs |
CN110873497A (zh) * | 2018-08-30 | 2020-03-10 | Lg电子株式会社 | 冰箱 |
JP7115214B2 (ja) * | 2018-10-22 | 2022-08-09 | トヨタ自動車株式会社 | 車両用通知システム |
DE102019102698A1 (de) * | 2019-02-04 | 2020-08-06 | Faurecia Emissions Control Technologies, Germany Gmbh | Fahrzeugaußenmikrofoneinheit, Fahrzeugakustiksystem sowie Fahrzeug |
DE102019205373B4 (de) | 2019-04-15 | 2021-12-23 | Zf Friedrichshafen Ag | Schallwandler, Sensorvorrichtung und Kraftfahrzeug |
CN111634259B (zh) * | 2020-05-25 | 2022-03-25 | 潍坊歌尔微电子有限公司 | 除尘结构、除尘方法和车辆 |
DE102021204327A1 (de) | 2021-04-30 | 2022-11-03 | Zf Friedrichshafen Ag | Anordnung zum Detektieren von Luftschall für automobile Anwendungen und Fahrzeug umfassend wenigstens eine derartige Anordnung |
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Also Published As
Publication number | Publication date |
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CN104812625A (zh) | 2015-07-29 |
EP2927056A1 (en) | 2015-10-07 |
CN104812625B (zh) | 2017-03-22 |
JP5862798B2 (ja) | 2016-02-16 |
EP2927056A4 (en) | 2016-07-06 |
JPWO2014083702A1 (ja) | 2017-01-05 |
US20150258942A1 (en) | 2015-09-17 |
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