CN102117507A - Automobile abnormal sound recording device - Google Patents
Automobile abnormal sound recording device Download PDFInfo
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- CN102117507A CN102117507A CN2009102389526A CN200910238952A CN102117507A CN 102117507 A CN102117507 A CN 102117507A CN 2009102389526 A CN2009102389526 A CN 2009102389526A CN 200910238952 A CN200910238952 A CN 200910238952A CN 102117507 A CN102117507 A CN 102117507A
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Abstract
The invention relates to an automobile abnormal sound recording device, which comprises a control module, a storage module connected with the control module and a sound recording unit arranged on an automobile body, wherein the sound recording unit comprises a microphone for acquiring a sound signal and an analogue-digital conversion circuit; the sound recording unit is used for acquiring automobile abnormal sound in an environment in which the sound recording unit is positioned; the control module is used for receiving abnormal sound information acquired by the sound recording unit and storing the received abnormal sound information of the sound recording unit. Therefore, when a maintenance master maintains the automobile, the sound information in the stored module can be played by using a computer and an abnormal sound source on the automobile can be quickly determined by contrasting the sound information with the sound of specific faults, thereby facilitating the quick diagnosis on the faults of the automobile to further shorten the time for maintenance and also provide possibility for automobile owners to take back the automobile as soon as possible.
Description
Technical field
The present invention relates to a kind of during for auto repair the failure judgement source failure recording device of reference is provided.
Background technology
Automobile especially car is subjected to the favor of increasing family, and its life for us has brought many facilities and enjoyment.But in practice, some parts on the automobile some faults can occur unavoidably, and this is that the good again automobile of quality is also unavoidable.The fault that has car owner before not fixed can not use vehicle.This has brought certain trouble for consumer's use.Therefore, how after automobile breaks down, fast it to be fixed and become the problem that consumers pay close attention to very much.
Can be attended by specific abnormal sound sound before some fault of automobile takes place or when taking place, according to these abnormal sound sound, experienced maintenance master worker can determine parts that break down or the parts that promptly will break down fast, and then keeps in repair.But, some abnormal sound sound be at random.Might take place in the process of moving, this moment, the driver can hear.But when car was reached maintenance factory, this sound may just can not take place again.Brought certain trouble for thus maintenance master worker failure judgement source, make the maintenance master worker will spend more time and search the source of trouble.Make the car owner will wait for longer servicing time thus before with car, this is badly in need of bringing very big inconvenience with the people of car to those, has increased servicing time also for simultaneously the maintenance master worker.
Summary of the invention
Technical matters to be solved by this invention is, for the vehicle failure that has specific abnormal sound sound, the problem that when maintenance, is difficult to the failure judgement source, thereby a kind of vehicle different sound pen recorder that writes down the specific sound that produces when this fault takes place is provided, reference is provided when thinking maintenance master worker failure judgement source.
The technical solution adopted in the present invention is, a kind of vehicle different sound pen recorder, comprise control module, the SoundRec module, memory module that links to each other with control module and power supply, described SoundRec module comprises that being installed in automobile front chamber leads on the vehicle frame of rain groove below, the fore sub frame below, SoundRec unit in Rear secondary frame for vehicle below and/or the room mirror shell, described SoundRec unit comprises that a collection sound also is converted to this sound the microphone of analog electrical signal and the analog electrical signal of this microphone of reception also carries out the analog to digital conversion circuit that analog to digital conversion obtains digital signal with this analog electrical signal, described control module is connected with described SoundRec unit and receives digital signal after the analog to digital conversion circuit conversion in the described SoundRec unit, and the digital signal that receives is stored in the memory module.
By the SoundRec unit of gathering vehicle different sound is set onboard, and by control module with the abnormal sound information stores that collected to memory module.So when maintenance master worker maintenance vehicle, by computer the abnormal sound information in the memory module is played back, compare through sound with specific fault, the maintenance master worker can judge the source of trouble of the generation abnormal sound of vehicle fast, thereby can reduce a large amount of vehicle maintenance time, also make the vehicle owner can reuse vehicle as early as possible simultaneously.
As preferably, described SoundRec module comprises four SoundRec unit, described four SoundRec unit are respectively and are installed in automobile front chamber and lead the first SoundRec unit on the vehicle frame of rain groove below, the second sound record cell of fore sub frame below, the 3rd SoundRec unit of Rear secondary frame for vehicle below and the fourth sound sound record cell in the room mirror shell, and described control module receives the digital signal of four SoundRec unit and the digital signal of four SoundRec unit that will receive stores in the memory module respectively.
As preferably, described control module comprises an ECU and a switch, and described ECU receives the digital signal that transmits from described four analog to digital conversion circuits and described four digital signals are stored respectively, and described switch is controlled the break-make of circuit between power supply and the ECU.
As preferably, described memory module is SD card or USB flash disk.
As preferably, the described second sound record cell is installed in and encloses nearest crossbeam top on the fore sub frame before automobile, and described the 3rd SoundRec unit is installed on the intermediate transverse girder of Rear secondary frame for vehicle.
As preferably, described SoundRec unit is side's bar shaped, is provided with buckle structure in its both sides, and the concrete position that the SoundRec unit is installed onboard is provided with snap seats, and described SoundRec unit was fixed by buckle and cooperating of snap seats.
As preferably, the side's of the being bar shaped of described shell is provided with a through hole in square bar shaped shell one side, and described microphone is located near this through hole.
Description of drawings
Fig. 1 is the system chart of an embodiment of the present invention;
Fig. 2 is the SoundRec cellular construction synoptic diagram that an embodiment of the present invention adopted;
Fig. 3 leads the vehicle frame synoptic diagram of rain groove below for the automobile front chamber that the SoundRec unit is installed in an embodiment of the present invention;
Fig. 4 is the fore sub frame synoptic diagram that the SoundRec unit is installed in an embodiment of the present invention;
Fig. 5 is the Rear secondary frame for vehicle synoptic diagram that the SoundRec unit is installed in an embodiment of the present invention.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, system chart for a kind of embodiment of a kind of vehicle different sound pen recorder of the present invention, comprise a control module 1, this control module comprises an ECU11 (also can be the control chip of other type) and a switch 12, described switch is used to control the break-make of circuit between control module 1 and the power supply 2 (this power supply can serve as with the accumulator that automobile carries, and also can again a power supply be set).When connecting switch 12, ECU11 starts working, and during cut-off switch, ECU11 quits work.Described abnormal sound pen recorder also comprises SoundRec module 3, described SoundRec module 3 comprises that being installed in automobile front chamber leads on the vehicle frame of rain groove below, below the fore sub frame, below the Rear secondary frame for vehicle and/or the SoundRec unit in the room mirror shell, be that described SoundRec module 3 comprises a SoundRec unit at least, and a SoundRec unit is at most only installed at the arbitrary place in four positions below automobile front chamber is led the rain groove on the vehicle frame, below the fore sub frame, below the Rear secondary frame for vehicle and in the room mirror shell; Preferred described SoundRec module 3 comprises four SoundRec unit, it is respectively and is installed in automobile front chamber and leads the first SoundRec unit 31 on the vehicle frame of rain groove below, be installed in the second sound record cell 32 of fore sub frame below, be installed in the 3rd SoundRec unit 33 of Rear secondary frame for vehicle below and be installed in the interior fourth sound sound record cell 34 of room mirror shell, fourth sound sound record cell place wherein is installed in the rearview mirror shell is provided with a through hole, thereby make the interior SoundRec unit of rearview mirror shell can collect the outside sound signal smoothly with shell is interlinked to the outside.Described each SoundRec unit all comprises a microphone and an analog to digital conversion circuit, and the microphone and the analog to digital conversion circuit of same SoundRec unit are electrically connected, described microphone can be gathered the sound of its environment of living in and the voice signal that is collected is converted to analog electrical signal, and sends this analog electrical signal to be electrically connected with it analog to digital conversion circuit.Described each analog to digital conversion circuit is electrically connected with the ECU11 of control module 1 respectively, and sends the digital signal after its analog to digital conversion to ECU11.
As shown in Figure 2, physical arrangement synoptic diagram for the SoundRec unit that an embodiment of the present invention adopted, microphone 41 is installed in the shell 4 with analog to digital conversion circuit 42, and the profile of preferred shell 4 is side's bar shaped, is provided with a through hole 44 in a surface of shell 4; Described microphone 41 is promptly near these through hole 44 places, so that gather sound; In shell 4, described microphone 41 is electrically connected with analog-digital conversion circuit as described 42, because the position between microphone 41 and the analog to digital conversion circuit 42 is very near, so sent to the analog electrical signal loss of analog to digital conversion circuit 42 by microphone 41 very little, thereby guaranteed that voice signal that data acquisition unit gathers can distortion; The effect of the shell 4 of described installation microphone 41 and analog to digital conversion circuit 42 is, the one, play fixedly microphone 41 and analog to digital conversion circuit 42, two, and avoid microphone 41 and analog to digital conversion circuit 42 to be destroyed by impurity such as dust, water.The side's of being shaped as bar shaped of the preferred described shell 4 of present embodiment can be selected other any suitable shape that is shaped as of shell 4 according to actual conditions; The both sides of the shell 4 of described side's bar shaped are provided with buckle structure 43, the corresponding site that shell 4 is installed onboard is installed with snap seats 45, on described snap seats 45, be provided with two card seam (not shown)s, thereby the buckle structure 43 with its both sides when shell 4 is installed snaps onto in the card of two on the snap seats 45 seam fixing, thereby, also can adopt other suitable fixed form certainly with shell 4 fixing relevant positions onboard by the corresponding sites that the form that buckle matches with snap seats 45 is fixed shell 4 onboard.
As Fig. 3, Fig. 4, shown in Figure 5, be respectively the automobile front chamber that the SoundRec unit is installed and lead the forward and backward subframe of vehicle frame, automobile of rain groove below, because of the physical size of SoundRec unit self less, so its onboard the layout of corresponding site can arrange flexibly, be not to be installed in some specific positions.The problem that the selection of the particular location of installation SoundRec unit is mainly considered is: whether conveniently collect abnormal sound sound and spatial placement.As for the SoundRec unit that is installed on the fore sub frame, the SoundRec unit is installed in the fore sub frame below, is as the criterion with fore sub frame real vehicle installation site, and the second sound record cell can be installed in and enclose first nearest crossbeam top before automobile; For the SoundRec unit that is installed on the Rear secondary frame for vehicle, according to the shape of Rear secondary frame for vehicle, consider the parts that Rear secondary frame for vehicle distributes simultaneously on every side, the 3rd SoundRec unit can be installed on the Rear secondary frame for vehicle intermediate transverse girder.
The ECU11 of described control module 1 also is electrically connected with a memory module 5, and described memory module 5 can be SD card or USB flash disk, perhaps other suitable storage medium.After ECU11 received the digital electric signal that analog to digital conversion circuit sends, ECU11 stored the digital signal that receives in the memory module into and goes; ECU11 will store respectively from the digital electric signal that above-mentioned four analog to digital conversion circuits receive, thereby can distinguish the information of the sound correspondence that the alternative sounds logging modle gathered when making the digital electric signal of maintenance master worker in reading memory module, which position has the sound of abnormal sound to send on the car thereby can judge apace, the fault of diagnosing out vehicle apace and being taken place is keeped in repair then.
Below the course of work of the present invention being done one simply introduces.In general driving process, if the driver feels that vehicle has abnormal sound to take place, then it can be connected the switch 12 of control module 1 immediately, makes control module 1 start working, and makes total system in running order for SoundRec unit and memory module 5 power supplies by control module 1.The microphone of each SoundRec unit is gathered its abnormal sound sound on every side automatically then, and the sound that collects is converted to analog electrical signal, and sends this analog electrical signal to be electrically connected with it analog to digital conversion circuit.Analog to digital conversion circuit carries out analog to digital conversion after receiving analog electrical signal immediately, and will digital electric signal sending to the ECU11 of control module 1 through being converted to, ECU11 will store into respectively in the middle of the memory module 5 from the digital electric signal that each analog to digital conversion circuit receives then.When the maintenance master worker keeps in repair vehicle, can be with computer from the digital electric signal the memory module be play, because of the signal that ECU is gathered each SoundRec unit is stored respectively, so the maintenance master worker can directly judge the acoustic information that different SoundRec unit is gathered, thereby the maintenance master worker can be according to hearing that sound directly judges the abnormal sound acoustic situations that different parts produced on the car, and acoustic information of being gathered by contrast alternative sounds record cell and then the fault of diagnosing out vehicle to take place are fast keeped in repair vehicle to reach apace.So both saved the time of keeping in repair the required maintenance vehicle of master worker, improved maintenance efficiency, and also made the owner of vehicle need not wait for the oversize time simultaneously, made that it can very fast just using after vehicle breaks down.
Except engine assembly, easily producing fault, to send the device of abnormal sound be variator, clutch coupling, brake block, shock absorber, detent etc. in the automobile component.The characteristics of this base part are installation site deflection vehicle bottoms, and when abnormal sound takes place external voice than in the compartment obviously, so that the SoundRec unit is installed in position, body exterior chassis is proper.Be installed in the SoundRec unit of leading in the front deck on the vehicle frame of rain groove below and help gathering the abnormal sound sound that engine sends.
Owing to the SoundRec unit is contained in body exterior, will avoids the strong position of car body vibrations, the noise that produces between the microphone in car body and this device SoundRec unit when reducing vibrations.In order to write down the abnormal sound of automobile accurately, therefore need be with the SoundRec cell arrangement in the more weak place of vibrations.And the forward and backward subframe in the reality is the minimum part of vibrations coefficient in the car load, and the SoundRec cell arrangement will be reduced the vibrations of SoundRec unit to greatest extent on subframe.Simultaneously, subframe is integrated into an assembly with these loose mails of suspension rocker arm body of front and back vehicle bridge, forms the front and back subframe with suspension.And vibroshock, turning-bar, system's bearing, stabilizer bar, brake etc. take place easily the device of abnormal sound all be distributed in subframe around.So the SoundRec unit is contained near the collection that more helps the subframe the abnormal sound of these devices.To make that the abnormal sound generation area is divided more accurate subframe bottom before and after record cell was contained in respectively, and promptly to collect the zone of abnormal sound be clearly in each SoundRec unit.Like this, when playback, by contrast, the position in locking abnormal sound source that can be very fast dwindles the abnormal sound source range, can find the abnormal sound source fast, determines vehicle trouble.
Usually vehicle generation abnormal sound not merely is some positions also.In the vehicle traveling process, the abnormal sound that vibrations caused of vehicle integral body may be from a plurality of positions of vehicle body, and the abnormal sound that the driver can hear is heard in the driver's seat.Be contained in the situation of the abnormal sound of can the accurate recording driver being heard the SoundRec unit in the inside-automobile rear mirror shell, help the integral status of the overall assurance vehicle of maintenance personal.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. vehicle different sound pen recorder, comprise control module, the SoundRec module, memory module that links to each other with control module and power supply, it is characterized in that, described SoundRec module comprises that being installed in automobile front chamber leads on the vehicle frame of rain groove below, the fore sub frame below, SoundRec unit in Rear secondary frame for vehicle below and/or the room mirror shell, described SoundRec unit comprises that a collection sound also is converted to this sound the microphone of analog electrical signal and the analog electrical signal of this microphone of reception also carries out the analog to digital conversion circuit that analog to digital conversion obtains digital signal with this analog electrical signal, described control module is connected with described SoundRec unit and receives digital signal after the analog to digital conversion circuit conversion in the described SoundRec unit, and the digital signal that receives is stored in the memory module.
2. vehicle different sound pen recorder according to claim 1, it is characterized in that, described SoundRec module comprises four SoundRec unit, described four SoundRec unit are respectively and are installed in automobile front chamber and lead the first SoundRec unit on the vehicle frame of rain groove below, the second sound record cell of fore sub frame below, the 3rd SoundRec unit of Rear secondary frame for vehicle below and the fourth sound sound record cell in the room mirror shell, the digital signal of the digital signal of four SoundRec unit of described control module reception and four SoundRec unit that will receive stores in the memory module respectively.
3. vehicle different sound pen recorder according to claim 2, it is characterized in that, described control module comprises an ECU and a switch, described ECU receives from the digital signal of described four analog to digital conversion circuits transmission and with described four digital signals and stores respectively, the break-make of circuit between described switch control power supply and the ECU.
4. according to claim 1,2 or 3 described vehicle different sound pen recorders, it is characterized in that described memory module is SD card or USB flash disk.
5. vehicle different sound pen recorder according to claim 4 is characterized in that, the described second sound record cell is installed in and encloses nearest crossbeam top on the fore sub frame before automobile, and described the 3rd SoundRec unit is installed on the intermediate transverse girder of Rear secondary frame for vehicle.
6. vehicle different sound pen recorder according to claim 1, it is characterized in that, described SoundRec unit has shell, described microphone and analog to digital conversion circuit are fixedly arranged in the described shell, the side of described shell is provided with buckle structure, the concrete position that the SoundRec unit is installed onboard is provided with snap seats, and described SoundRec unit was fixed by buckle and cooperating of snap seats.
7. vehicle different sound pen recorder according to claim 6 is characterized in that, the side's of the being bar shaped of described shell is provided with a through hole in square bar shaped shell one side, and described microphone is located near this through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102389526A CN102117507A (en) | 2009-12-30 | 2009-12-30 | Automobile abnormal sound recording device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102389526A CN102117507A (en) | 2009-12-30 | 2009-12-30 | Automobile abnormal sound recording device |
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| CN102117507A true CN102117507A (en) | 2011-07-06 |
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| CN2009102389526A Pending CN102117507A (en) | 2009-12-30 | 2009-12-30 | Automobile abnormal sound recording device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364202A (en) * | 2012-04-03 | 2013-10-23 | 财团法人资讯工业策进会 | Vehicle fault diagnosis method and system |
| CN105675306A (en) * | 2016-01-12 | 2016-06-15 | 天津理工大学 | Self-testing method and system for automobile |
| CN107458383A (en) * | 2016-06-03 | 2017-12-12 | 法拉第未来公司 | Use the vehicle trouble automatic detection of audio signal |
| CN107478321A (en) * | 2017-09-22 | 2017-12-15 | 广州子喻汽车用品有限公司 | Car noise detection means and car noise detecting system |
| CN107945576A (en) * | 2017-12-25 | 2018-04-20 | 重庆冀繁科技发展有限公司 | Vehicle trouble monitoring method |
| CN108243382A (en) * | 2016-12-23 | 2018-07-03 | 裕隆汽车制造股份有限公司 | Abnormal sound examines auxiliary system |
| CN108780590A (en) * | 2016-01-19 | 2018-11-09 | 罗伯特·博世有限公司 | The method and system of vehicle is diagnosed for using sound |
| CN110162919A (en) * | 2019-05-31 | 2019-08-23 | 中国汽车工程研究院股份有限公司 | It is a kind of that abnormal sound risk class scaling method is hit based on the automobile interior of limiting temperature off field |
| CN110296842A (en) * | 2019-06-28 | 2019-10-01 | 潍柴动力股份有限公司 | The diagnostic method and device of engine |
| CN112399320A (en) * | 2019-08-16 | 2021-02-23 | 神讯电脑(昆山)有限公司 | Electret microphone detection circuit |
| CN114689330A (en) * | 2020-12-25 | 2022-07-01 | 观致汽车有限公司 | Vehicle abnormal sound investigation method, vehicle abnormal sound investigation system and storage medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5682134A (en) * | 1995-08-18 | 1997-10-28 | Kiekert Ag | Method of operating a device for monitoring the interior of an automotive vehicle |
| CN1402135A (en) * | 2001-08-22 | 2003-03-12 | 松下电器产业株式会社 | Automatic data archive system with safety certification testing data memory |
| JP2003156387A (en) * | 2001-11-22 | 2003-05-30 | Matsushita Electric Ind Co Ltd | Device and method for detecting abnormal sound |
| CN1478195A (en) * | 2000-12-01 | 2004-02-25 | 大发工业株式会社 | System for evaluating abnormal sound, sound recorder and apparatus for evaluating abnormal sound |
| DE10235416A1 (en) * | 2002-08-02 | 2004-02-26 | Daimlerchrysler Ag | Motor vehicle fault diagnosis method in which microphones are used to record the sound originating from various vehicle sections and the sound is compared with reference sound recordings in order to indicate a fault |
| JP3518838B2 (en) * | 1997-09-04 | 2004-04-12 | 株式会社東芝 | Sound monitoring device |
| EP1704673A2 (en) * | 2004-01-16 | 2006-09-27 | Kvaser Consultant AB | Device, unit and arrangement for one or several distributed systems |
| JP2007235316A (en) * | 2006-02-28 | 2007-09-13 | Fujitsu Ten Ltd | In-vehicle microphone protection apparatus, in-vehicle microphone apparatus, and connection circuit unit |
| JP2008304403A (en) * | 2007-06-11 | 2008-12-18 | Sumitomo Rubber Ind Ltd | Sound-source identification apparatus for tire |
| JP2009294147A (en) * | 2008-06-06 | 2009-12-17 | Tokyu Car Corp | Method of detecting abnormality of moving body |
-
2009
- 2009-12-30 CN CN2009102389526A patent/CN102117507A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5682134A (en) * | 1995-08-18 | 1997-10-28 | Kiekert Ag | Method of operating a device for monitoring the interior of an automotive vehicle |
| JP3518838B2 (en) * | 1997-09-04 | 2004-04-12 | 株式会社東芝 | Sound monitoring device |
| CN1478195A (en) * | 2000-12-01 | 2004-02-25 | 大发工业株式会社 | System for evaluating abnormal sound, sound recorder and apparatus for evaluating abnormal sound |
| CN1402135A (en) * | 2001-08-22 | 2003-03-12 | 松下电器产业株式会社 | Automatic data archive system with safety certification testing data memory |
| JP2003156387A (en) * | 2001-11-22 | 2003-05-30 | Matsushita Electric Ind Co Ltd | Device and method for detecting abnormal sound |
| DE10235416A1 (en) * | 2002-08-02 | 2004-02-26 | Daimlerchrysler Ag | Motor vehicle fault diagnosis method in which microphones are used to record the sound originating from various vehicle sections and the sound is compared with reference sound recordings in order to indicate a fault |
| EP1704673A2 (en) * | 2004-01-16 | 2006-09-27 | Kvaser Consultant AB | Device, unit and arrangement for one or several distributed systems |
| JP2007235316A (en) * | 2006-02-28 | 2007-09-13 | Fujitsu Ten Ltd | In-vehicle microphone protection apparatus, in-vehicle microphone apparatus, and connection circuit unit |
| JP2008304403A (en) * | 2007-06-11 | 2008-12-18 | Sumitomo Rubber Ind Ltd | Sound-source identification apparatus for tire |
| JP2009294147A (en) * | 2008-06-06 | 2009-12-17 | Tokyu Car Corp | Method of detecting abnormality of moving body |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364202A (en) * | 2012-04-03 | 2013-10-23 | 财团法人资讯工业策进会 | Vehicle fault diagnosis method and system |
| CN105675306B (en) * | 2016-01-12 | 2018-08-10 | 天津理工大学 | A kind of automobile self-sensing method and detecting system |
| CN105675306A (en) * | 2016-01-12 | 2016-06-15 | 天津理工大学 | Self-testing method and system for automobile |
| CN108780590A (en) * | 2016-01-19 | 2018-11-09 | 罗伯特·博世有限公司 | The method and system of vehicle is diagnosed for using sound |
| CN107458383A (en) * | 2016-06-03 | 2017-12-12 | 法拉第未来公司 | Use the vehicle trouble automatic detection of audio signal |
| CN108243382A (en) * | 2016-12-23 | 2018-07-03 | 裕隆汽车制造股份有限公司 | Abnormal sound examines auxiliary system |
| CN107478321A (en) * | 2017-09-22 | 2017-12-15 | 广州子喻汽车用品有限公司 | Car noise detection means and car noise detecting system |
| CN107478321B (en) * | 2017-09-22 | 2020-07-21 | 广州子喻汽车用品有限公司 | Automobile noise detection device and automobile noise detection system |
| CN107945576A (en) * | 2017-12-25 | 2018-04-20 | 重庆冀繁科技发展有限公司 | Vehicle trouble monitoring method |
| CN110162919A (en) * | 2019-05-31 | 2019-08-23 | 中国汽车工程研究院股份有限公司 | It is a kind of that abnormal sound risk class scaling method is hit based on the automobile interior of limiting temperature off field |
| CN110162919B (en) * | 2019-05-31 | 2021-04-23 | 中国汽车工程研究院股份有限公司 | Vehicle interior trim impact abnormal sound risk grade calibration method based on extreme temperature field |
| CN110296842A (en) * | 2019-06-28 | 2019-10-01 | 潍柴动力股份有限公司 | The diagnostic method and device of engine |
| CN112399320A (en) * | 2019-08-16 | 2021-02-23 | 神讯电脑(昆山)有限公司 | Electret microphone detection circuit |
| CN112399320B (en) * | 2019-08-16 | 2022-04-19 | 神讯电脑(昆山)有限公司 | Electret microphone detection circuit |
| CN114689330A (en) * | 2020-12-25 | 2022-07-01 | 观致汽车有限公司 | Vehicle abnormal sound investigation method, vehicle abnormal sound investigation system and storage medium |
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Application publication date: 20110706 |