CN108995617A - A kind of car braking noise removing method - Google Patents
A kind of car braking noise removing method Download PDFInfo
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- CN108995617A CN108995617A CN201810829231.1A CN201810829231A CN108995617A CN 108995617 A CN108995617 A CN 108995617A CN 201810829231 A CN201810829231 A CN 201810829231A CN 108995617 A CN108995617 A CN 108995617A
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- processor
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- microphone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/037—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for occupant comfort, e.g. for automatic adjustment of appliances according to personal settings, e.g. seats, mirrors, steering wheel
- B60R16/0373—Voice control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of car braking noise removing methods, including microphone, filter, signal amplifier, A/D converter, processor, executing agency, auxiliary friction piece and storage unit, the invention passes through corresponding processor, microphone, filter, signal amplifier, executing agency, auxiliary friction plate can in real time to vehicle braking when generated noise detected accordingly, effectively noise generated when braking can be eliminated accordingly when reaching corresponding setting value, the distance that being additionally provided with corresponding infrared sensor simultaneously can effectively spend before and after vehicle is detected accordingly, the generation for fortuitous event occur can be reduced when being in an emergency, with very strong creativeness, it is suitble to promote.
Description
Technical field
The invention belongs to vehicle brake technology fields, and in particular to a kind of car braking noise removing method.
Background technique
Automobile brings corresponding material progress to the epoch, but also brings the social concerns such as corresponding noise pollution simultaneously,
Interior noise crosses conference and directly causes to influence accordingly on the driving environment of driver and passenger, while influencing psychology, life
Reason health even influences driving safety, and the noise outside vehicle is excessive, will affect the physical and mental health of pedestrian, common to vehicle at present
The removing method of noise is mostly to reduce corresponding surge source with friction block chamfering to realize, but corresponding method effect has
Limit, with the traveling of vehicle, corresponding friction block is easy to loosen, and there are corresponding limitations.
Summary of the invention
The purpose of the present invention is to provide a kind of car braking noise removing methods, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, it the invention provides the following technical scheme: a kind of car braking noise removing method, including passes
Sound device, filter, signal amplifier, A/D converter, processor, executing agency, auxiliary friction piece and storage unit are specific to wrap
Include following steps:
S1, pre-installation and test: respectively by corresponding microphone, filter, signal amplifier, A/D converter, processor, hold
Row mechanism, auxiliary friction piece and storage unit are mounted on the avris of vehicle brake, and corresponding to carrying out after the installation is completed
Test；
S2, the sound of vehicle braking is acquired: when vehicle carries out corresponding brake operating, the microphone of brake avris
Acoustic signals caused by vehicle breaking operation are acquired accordingly；
S3, information feedback: microphone is sent to after being acquired to acoustic signals caused by vehicle breaking operation and goes here and there therewith
The filter of row connection, the corresponding signal of filter, which is filtered accordingly and filtered information is sent to signal, to be put
Big device, the signal amplifier amplify filtered signal accordingly and are sent to amplified information serial therewith
The A/D converter of connection, the A/D converter carry out analog-to-digital conversion to the information that sends and by the digital informations after conversion
Processor is sent to by I/O interface；
S4, information processing: processor corresponding dissection process is carried out to the information that is transmitted by A/D converter and judge its whether to
Up to setting value, processor transmits control signal to corresponding executing agency and is driven by executing agency if reaching corresponding setting value
Auxiliary friction piece, and storage unit saves corresponding information accordingly, if the corresponding setting value not reached
Processor does not transmit corresponding control signal to executing agency.
Preferably, microphone outer end avris is socketed with blimp, the microphone and corresponding auxiliary friction piece
There are four being all provided with, the A/D converter avris, which is also connected in series, infrared ray sensing, before the infrared sensor is to vehicle
Distance progress respective distance information is acquired accordingly afterwards, and the information of acquisition is sent to A/D converter, and the A/D turns
Parallel operation is sent to processor by I/O interface to after corresponding information progress analog-to-digital conversion, is carried out accordingly by processor to it
Dissection process, when corresponding range information is lower than setting value, processor sends control signal to executing agency, and executing agency drives
Dynamic auxiliary friction plate.
Preferably, the signal amplifier uses imv358 signal amplifier.
Preferably, the storage unit is using the maximum DDR2 SDRAM storage unit for supporting 128GB.
Beneficial effects of the present invention: the invention passes through corresponding processor, microphone, filter, signal amplifier, execution
Mechanism, auxiliary friction plate can in real time to vehicle braking when generated noise detected accordingly, it is corresponding when reaching
Effectively noise generated when braking can be eliminated accordingly when setting value, while being additionally provided with corresponding infrared ray sensing
The distance that device can effectively be spent before and after vehicle is detected accordingly, and the unexpected feelings of appearance can be reduced when being in an emergency
The generation of condition has very strong creativeness, is suitble to promote.
Detailed description of the invention
Fig. 1 is system schematic of the invention.
In figure: 1 microphone, 2 filters, 3 signal amplifiers, 4 A/D converters, 5 processors, 6 executing agencies, 7 auxiliary
Friction plate, 8 storage units, 9 infrared sensors.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of car braking noise removing method as shown in Figure 1, including microphone 1, filter 2,
Signal amplifier 3, A/D converter 4, processor 5, executing agency 6, auxiliary friction piece 7 and storage unit 8, specifically include following
Step:
S1, pre-installation are with test: respectively by corresponding microphone 1, filter 2, signal amplifier 3, A/D converter 4, processor
5, executing agency 6, auxiliary friction piece 7 and storage unit 8 are mounted on the avris of vehicle brake, and after the installation is completed into
The corresponding test of row；
S2, the sound of vehicle braking is acquired: when vehicle carries out corresponding brake operating, the microphone of brake avris
Acoustic signals caused by 1 pair of vehicle breaking operation are acquired accordingly, and the microphone 1 uses pressure microphone；
S3, information feedback: microphone 1 is sent to after being acquired to acoustic signals caused by vehicle breaking operation goes here and there therewith
The filter 2 of row connection, the corresponding signal of the filter 2 are filtered accordingly and filtered information are sent to signal
Amplifier 3, the signal amplifier 3 use imv358 signal amplifier, and the signal amplifier 3 carries out filtered signal
It is corresponding to amplify and be sent to amplified information the A/D converter 4 being connected in series therewith, 4 pairs of A/D converter transmission
The information to come over carries out analog-to-digital conversion and the digital information after conversion is sent to processor 5, the processor by I/O interface
5 use the TMS320C6748DSP processor of TMS320C6000 series, and the high corresponding power consumption of performance is few；
S4, information processing: processor 5 carries out corresponding dissection process to the information transmitted by A/D converter 4 and whether judges it
Setting value is reached, processor 5 transmits control signal by executing agency to corresponding executing agency 6 if reaching corresponding setting value
6 driving auxiliary friction pieces 7, and storage unit 8 saves corresponding information accordingly, and the storage unit 8 is using most
The big DDR2 SDRAM storage unit for supporting 128GB, processor 5 is not to execution machine if the corresponding setting value not reached
Structure 6 transmits corresponding control signal.
Specifically, the 1 outer end avris of microphone is socketed with blimp, the microphone 1 and corresponding auxiliary friction
There are four piece 7 is all provided with, 4 avris of A/D converter, which is also connected in series, infrared ray sensing 9, and the infrared sensor 9 uses
PS-56R KEYENCE infrared sensor, the infrared sensor 9 to the longitudinal separation of vehicle carry out respective distance information into
The corresponding acquisition of row, and the information of acquisition is sent to A/D converter 4, the A/D converter 4 carries out mould to corresponding information
Processor 5 is sent to by I/O interface after number conversion, corresponding dissection process is carried out to it by processor 5, when corresponding distance
Processor 5 sends control signal to executing agency 6 when information is lower than setting value, and executing agency 6 drives auxiliary friction piece 7.
When in use, generated radiography is detected accordingly when microphone 1 is to vehicle braking for the invention, is being passed through
The filtering of filter 2 and signal amplifier 3 are sent to A/D converter 4 after amplifying and carry out corresponding analog-to-digital conversion, the letter after conversion
Breath is sent to processor 5 and carries out corresponding dissection process to it by processor 5, when corresponding noise intensity reaches or is more than phase
When the setting value answered, processor 5 sends corresponding control signal to executing agency 6 and then drives corresponding auxiliary friction piece 7 logical
It is formed by noise when crossing the corresponding damping of increase come to vehicle braking to be eliminated accordingly, while corresponding infrared by being equipped with
The spacing of 9 pairs of line sensor front and back and barrier is equidistant is detected accordingly, as corresponding vehicle or barrier away from
When from being less than corresponding setting value, processor 5 drives the hair of the reduction fortuitous event of auxiliary friction piece 7 again by executing agency 6
Raw, flexibly convenient, structure design is close reasonable, has very strong creativeness, is suitble to promote.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (4)
1. a kind of car braking noise removing method, including microphone (1), filter (2), signal amplifier (3), A/D conversion
Device (4), processor (5), executing agency (6), auxiliary friction piece (7) and storage unit (8), it is characterised in that: specifically include with
Lower step:
S1, pre-installation are with test: respectively by corresponding microphone (1), filter (2), signal amplifier (3), A/D converter
(4), processor (5), executing agency (6), auxiliary friction piece (7) and storage unit (8) are mounted on the avris of vehicle brake,
And after the installation is completed to being tested accordingly；
S2, the sound of vehicle braking is acquired: when vehicle carries out corresponding brake operating, the microphone of brake avris
(1) acoustic signals caused by vehicle breaking operation are acquired accordingly；
S3, information feedback: microphone (1) is sent to therewith after being acquired to acoustic signals caused by vehicle breaking operation
The filter (2) of serial connection, the corresponding signal of the filter (2) are filtered accordingly and are transmitted filtered information
To signal amplifier (3), the signal amplifier (3) amplifies filtered signal and accordingly by amplified information
It is sent to the A/D converter (4) being connected in series therewith, the A/D converter (4) carries out analog-to-digital conversion to the information sent
And the digital information after conversion is sent to processor (5) by I/O interface；
S4, information processing: processor (5) carries out corresponding dissection process to the information transmitted by A/D converter (4) and judges it
Whether reach setting value, if reaching corresponding setting value processor (5) to corresponding executing agency (6) transmit control signal by
Executing agency (6) drives auxiliary friction piece (7), and storage unit (8) saves corresponding information accordingly, does not have such as
Then processor (5) does not transmit corresponding control signal to executing agency (6) to the corresponding setting value reached.
2. a kind of car braking noise removing method according to claim 1, it is characterised in that: the microphone (1) is outside
End edge side is socketed with blimp, there are four the microphone (1) and corresponding auxiliary friction piece (7) are all provided with, the A/D conversion
Device (4) avris, which is also connected in series, to be had infrared ray sensing (9), and the infrared sensor (9) carries out phase to the longitudinal separation of vehicle
It answers range information to be acquired accordingly, and the information of acquisition is sent to A/D converter (4), the A/D converter (4) is right
Processor (5) are sent to by I/O interface after corresponding information progress analog-to-digital conversion, it is carried out accordingly by processor (5)
Dissection process, when corresponding range information is lower than setting value, processor (5) sends control signal to executing agency (6), executes
Mechanism (6) drives auxiliary friction piece (7).
3. a kind of car braking noise removing method according to claim 1, it is characterised in that: the signal amplifier
(3) imv358 signal amplifier is used.
4. a kind of car braking noise removing method according to claim 1, it is characterised in that: the storage unit (8)
Using the maximum DDR2 SDRAM storage unit for supporting 128GB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829231.1A CN108995617A (en) | 2018-07-25 | 2018-07-25 | A kind of car braking noise removing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829231.1A CN108995617A (en) | 2018-07-25 | 2018-07-25 | A kind of car braking noise removing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108995617A true CN108995617A (en) | 2018-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810829231.1A Pending CN108995617A (en) | 2018-07-25 | 2018-07-25 | A kind of car braking noise removing method |
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| Country | Link |
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| CN (1) | CN108995617A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04223718A (en) * | 1990-03-28 | 1992-08-13 | Robert Bosch Gmbh | Automobile communication center apparatus |
| CN101032959A (en) * | 2006-03-10 | 2007-09-12 | 日产自动车株式会社 | Vehicle braking apparatus |
| CN104417518A (en) * | 2013-09-05 | 2015-03-18 | 日立汽车系统株式会社 | Brake System, Brake Apparatus, and Method for Controlling Brake System |
| CN104986135A (en) * | 2015-08-06 | 2015-10-21 | 陈凡 | Method for suppressing brake noise of vehicle |
| US20160167629A1 (en) * | 2013-05-15 | 2016-06-16 | Robert Bosch Gmbh | Control device for an autonomous power braking system of a vehicle and method for operating an autonomous power braking system of a vehicle |
-
2018
- 2018-07-25 CN CN201810829231.1A patent/CN108995617A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04223718A (en) * | 1990-03-28 | 1992-08-13 | Robert Bosch Gmbh | Automobile communication center apparatus |
| CN101032959A (en) * | 2006-03-10 | 2007-09-12 | 日产自动车株式会社 | Vehicle braking apparatus |
| US20160167629A1 (en) * | 2013-05-15 | 2016-06-16 | Robert Bosch Gmbh | Control device for an autonomous power braking system of a vehicle and method for operating an autonomous power braking system of a vehicle |
| CN104417518A (en) * | 2013-09-05 | 2015-03-18 | 日立汽车系统株式会社 | Brake System, Brake Apparatus, and Method for Controlling Brake System |
| CN104986135A (en) * | 2015-08-06 | 2015-10-21 | 陈凡 | Method for suppressing brake noise of vehicle |
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Application publication date: 20181214 |