CN105208487B - A kind of voice acquisition system - Google Patents
A kind of voice acquisition system Download PDFInfo
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- CN105208487B CN105208487B CN201510433416.7A CN201510433416A CN105208487B CN 105208487 B CN105208487 B CN 105208487B CN 201510433416 A CN201510433416 A CN 201510433416A CN 105208487 B CN105208487 B CN 105208487B
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- sound
- babinet
- gear train
- acquisition system
- voice acquisition
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Abstract
This application discloses a kind of voice acquisition systems, for being collected to the sound that gear train is sent out in the running, it includes babinet, sound collector arranged in the box body, babinet for install be connected with the mounting platform of gear train and sound collector be used for be oppositely arranged with gear train, sound collector is connected with sound-box device.It is arranged such, by using babinet so that the sound that gear train is sent out is propagated in the environment of relative closure, the sound that can be sent out to gear train to avoid the noise in external environment interferes, improve the recognition capability for the sound that the when of being operated to gear train is sent out, and sound is played out using sound-box device, sound is analyzed convenient for staff, and then the accuracy detected to gear train can be improved.
Description
Technical field
The present invention relates to Trend of Auto Manufacturing Technologies fields, more particularly to a kind of voice acquisition system.
Background technology
With the development of automobile industry, requirement of the user to driving environment is higher and higher, and in driving procedure, rear axle tooth
Wheel system can send out decibel value less but be clearly distinguishable from the sound of normal operation, but this sound can seriously affect user
Driving experience.Therefore, during rear axle Gear Production, sound when needing to rear axle gear operation is detected.
Existing is by the way that quiet room is arranged to gear train progress noise measuring, and quiet room is provided with mounting platform, will
The gear train being detected is needed to be installed on mounting platform, drive gear system rotation, staff is using decibel instrument or directly
The size for identifying sound with ear is connect, and then judges whether gear train meets the quality of production.
But since quiet room is adjacent with production line, flowing sound and part of the part in operation process on production line
Rack etc. in operation process all can generate noise jamming, to reduce staff to minor anomaly sound to quiet room
The recognition capability of sound, and the whether qualified a big chunk of gear train depends on whether that there are such tiny abnormal sound.This
Outside, in the running due to gear train, small when big when the sound sent out, decibel instrument display fluctuation is fast, and staff is difficult
The maximum value and minimum value of sound are clearly learnt, to which the judgement to the gear train quality of production can be influenced.
Therefore, how to improve to the accuracy that gear train detects is that those skilled in the art need the technology solved to ask
Topic.
Invention content
In view of this, the purpose of the application is to provide a kind of voice acquisition system, sound when can be to gear operation into
Row acquisition, analyzes collected sound convenient for staff, improves the accuracy detected to gear train.
This application provides a kind of voice acquisition system, the voice acquisition system for sending out gear train in the running
The sound gone out is collected, and the voice acquisition system includes babinet, is set to the sound collector of the box house, described
Babinet is used to be connected with the mounting platform of installation gear train and the sound collector is used to be oppositely arranged with gear train,
The sound collector is connected with sound-box device.
Preferably, the voice acquisition system further includes amplifying circuit, and the sound collector passes through the amplifying circuit
It is connected with the sound-box device.
Preferably, the amplifying circuit include amplifier block and control switch, the input terminal of the amplifier block with
The output end of the sound collector is connected, and the output end of the amplifier block is connected with the input terminal of the sound-box device
It connects, the control switch with gear train for linking.
Preferably, the babinet is the babinet with open end, the open end phase of the sound collector and the babinet
To setting, the open end of the babinet is used to be connected with the mounting platform of installation gear train.
Preferably, the babinet further includes the cover board for the open end for being set to the babinet, the cover board and the babinet
It is detachably connected.
Preferably, the babinet further includes cover board, and the cover board can be slided along the open end of the babinet.
Preferably, the inside of the babinet is additionally provided with sound-absorbing material layer, and the sound-absorbing material layer is interior with the babinet
Wall fits.
Preferably, the box house is additionally provided with oil baffle, and the oil baffle is oppositely arranged with the sound collector.
A kind of voice acquisition system provided herein is for receiving the sound that gear train is sent out in the running
Collection comprising babinet, sound collector arranged in the box body, babinet are connected for installing with the mounting platform of gear train
And sound collector, for being oppositely arranged with gear train, sound collector is connected with sound-box device.In this way, to gear train
When system is detected, gear train needs to be mounted on mounting platform, and after to be installed, gear train has one side in opening
State, the babinet end face in the open state with gear train is connected, after babinet installs, sound collector with
Gear train is oppositely arranged, and babinet forms the space of relative closure with gear train, makes when using power plant such as motor
When gear train operates, the sound that gear train is sent out when operating can travel in babinet, and sound collector can will receive
Voice signal is converted to electric signal, then passes to sound-box device, and sound-box device converts electrical signals to voice signal again, such as
This, the sound that staff can obtain being sent out when gear train operates by sound-box device, by analyzing sound
Judge whether detected gear train is qualified.Compared with prior art, in a specific embodiment, by using babinet so that
The sound that gear train is sent out is propagated in the environment of relative closure, can be to avoid the noise in external environment to gear train
The sent out sound of system interferes, and improves the recognition capability for the sound that the when of being operated to gear train is sent out, and utilize sound
Case equipment plays out sound, is analyzed sound convenient for staff, and then can improve and detect to gear train
Accuracy.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
After Fig. 1 assembles for voice acquisition system in a kind of specific implementation mode provided herein with gear train
Structural schematic diagram；
Fig. 2 is a kind of structural schematic diagram of amplifying circuit provided herein；
In wherein Fig. 1 to Fig. 2：
Gear train 1, power plant 2, babinet 3, sound collector 4, sound-absorbing material layer 5, oil baffle 6, cover board 7, amplification
Device 8, sound-box device 9, control switch 10, current-limiting resistance 11.
Specific implementation mode
The invention discloses a kind of voice acquisition system, sound when can be to gear operation is acquired, and is convenient for work
Personnel analyze collected sound, improve the accuracy detected to gear train.
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 describes, 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.
It please refers to Fig.1 and Fig. 2, Fig. 1 is voice acquisition system and tooth in a kind of specific implementation mode provided herein
Structural schematic diagram after wheel system assembling, Fig. 2 are a kind of structural schematic diagram of amplifying circuit provided herein.
In this embodiment, voice acquisition system is used to carry out the sound that gear train 1 is sent out in the running
It collects comprising babinet 3, the sound collector 4 being set to inside babinet 3, babinet 3 is for installing and the installation of gear train 1
Platform is connected and sound collector 4 with gear train 1 for being oppositely arranged, and sound collector 4 is connected with sound-box device 9.
In this way, when being detected to gear train 1, gear train 1 needs to be mounted on mounting platform, to be installed to finish
Afterwards, gear train 1 has one side in the state opened, and the end face in the open state with gear train 1 of babinet 3 is connected,
After babinet 3 installs, sound collector 4 is oppositely arranged with gear train 1, and babinet 3 forms opposite envelope with gear train 1
The space closed, when making gear train 1 operate using such as motor of power plant 2, the sound meeting that sends out when gear train 1 operates
It travels in babinet 3, the voice signal received can be converted to electric signal by sound collector 4, then pass to sound-box device
9, sound-box device 9 converts electrical signals to voice signal again, in this way, staff can obtain gear train by sound-box device 9
The sound sent out when 1 operating of system analyzes and determines whether detected gear train 1 is qualified by being carried out to sound.With it is existing
Technology is compared, and in a specific embodiment, makes the sound that gear train 1 is sent out in the ring of relative closure by using babinet 3
It is propagated in border, the sound that can be sent out to gear train 1 to avoid the noise in external environment interferes, and improves to tooth
The recognition capability for the sound that wheel system 1 is sent out when operating, and played out sound using sound-box device 9, it is convenient for work
Personnel analyze sound, and then can improve the accuracy detected to gear train 1.
It should be noted that in this embodiment, sound collector 4 is preferably sound pick-up, sound pick-up is to use
Carry out an accessory of collection site sound, one kind being abutted against sound pick-up and receives sound vibrations, the electroacoustics instrument that sound is amplified, when
So, it is also not excluded for using other sound collectors, such as microphone.
It should also be noted that, when being detected gear train 1, need gear train 1 being installed on mounting platform,
It is attached with babinet 3 according to the end face in the open state of gear train 1, can so ensure that gear train 1 is in and open
The end face of state surrounds closed space with babinet 3, and the wall surface of babinet 3 plays the role of shielding interfering noise, can so protect
Card sound collector 4 can be collected into subtle abnormal sound, to improve the recognition capability to sound.
It needs to illustrate further, in this embodiment, sound-box device 9 can be by 4 institute of sound collector
The electric signal of transmission is converted to voice signal, can so ensure that staff can obtain the high sound of accuracy, Jin Erke
To improve the accuracy detected to gear train 1.Certainly, according to actual conditions, sound-box device 9 can be active audio amplifier, power amplifier
Speaker and speaker etc. with storage function.
In addition, in order to improve the decibel of sound, in this embodiment, voice acquisition system further includes amplification electricity
Road, sound collection device is connected by amplifying circuit with sound-box device 9, in this way, sound collection device converts voice signal
After electric signal, amplifying circuit can enhance electric signal, so after enhanced electric signal is received by sound-box device 9, work
Personnel can obtain enhanced sound, so further can judge whether there is abnormal sound convenient for staff, to
Improve the accuracy detected to gear train 1.
It should be noted that in this embodiment, amplifying circuit includes mainly that amplifier block and control switch
10, wherein amplifier block includes amplifier 8 and current-limiting resistance 11, and the input terminal of amplifier 8 passes through conducting wire and sound collecting
The output end of device 4 is connected, and the output end of amplifier 8 is connected the (input of amplifier block with the input terminal of sound-box device 9
End is the input terminal of amplifier 8, and the output end of amplifier block is the output end of amplifier 8), by amplifying circuit
Current-limiting resistance 11 is set, shorted to earth phenomenon can will not occur to the output end of guard amplifier 8, it is of course also possible to root
The amplifier block of other forms is selected according to actual conditions.
In addition, in this embodiment, control switch 10 is connected with the input terminal of sound-box device 9, due to control
Switch 10 is arranged with for the linkage of drive gear system 1, in this way, when babinet 3 and gear train 1 to be attached, amplifier 8
Control switch 10 be in closed state, sound-box device 9 is in mute state because of its input end grounding at this time, can be to avoid
The strike note for lifting babinet 3 or being sent out when lifting gear train 1 enters sound-box device 9；When power plant 2 is in opening state
State, drive gear system 1 operate, and control switch 10 at this time and disconnect, the state that sound-box device 9 is on amplifier 8, gear
Signal caused by the sound sent out when operating can play the role of enhancing signal, via amplifier 8 by amplifier 8
The voice signal of processing is sent to sound-box device 9, and sound is broadcasted, judged convenient for staff by sound-box device 9.
It should also be noted that, in this embodiment, when power plant 2 is closed, control switch
10 are in closed state, and sound-box device 9 is in mute state；When power plant 2 is in operating status, control switch 10 is in
Off-state, amplifier 8 are conducted with sound-box device 9, to realize that the linkage between amplifier circuit and power plant 2 connects
It connects.Certainly, it is also not excluded for ensureing that control switch links with gear train using other set-up modes, will such as control switch installation
The mute end for being set to amplifier is switched in signal circuit or by controlling, when control switchs in the closure state, at amplifier
In mute state, when gear train operates, control switch is off, and is transmitted via the voice signal that amplifier is handled
It is broadcasted to sound-box device and via sound-box device.
In further embodiment, it is connected with gear train 1 for the ease of babinet 3, in this embodiment, case
Body 3 is the babinet with open end, and the open end of babinet 3 is connected for installing the mounting platform of gear train 1, sound collecting
Device 4 and the open end of babinet 3 are oppositely arranged.So set, after babinet 3 installs, gear train 1 is in the open state
End is connected with the open end of babinet 3, plays the role of the open end of closed box 3, thereby may be ensured that gear train 1 exists
When operating, babinet 3 plays shielding action, can prevent the interference of the noise in external environment, ensures when gear train 1 operates
Sound is propagated in closed space, is collected to sound convenient for sound collector 4.
In addition, in this embodiment, babinet 3 further includes cover board 7, cover plate 7 is set to the open end of babinet 3
And cover board 7 can be slided along the open end of babinet 3, during cover board 7 slides, thus it is possible to vary the ruler of 3 open end of babinet
It is very little, so as to, come the size of the open end of regulating box 3, ensure gear train in the running according to the model of gear train,
Sound is propagated in closed space.
It should be noted that in this embodiment, there are two cover board 7, two cover boards 7 to be oppositely arranged for setting, and
There are certain gap between the opposite end of two cover boards 7, by by two cover boards 7 along towards or away from the direction of other side
Sliding, can control the distance between two cover boards 7, that is, achieve the purpose that the aperture of the open end of regulating box 3.Certainly,
It is not excluded for that a cover board is only arranged, or two cover boards of setting, one of cover board fixed setting, the sliding setting of another cover board.
It should be noted that in this embodiment, passing through the opening come the open end of regulating box 3 of slide cover 7
Degree, further, it is also possible to change the aperture of babinet 3 by using the mode for replacing cover board, by the opening that will be set to babinet 3
It is detachably connected between the cover board 7 and babinet 3 at end, the lid of corresponding size can be so selected according to the specific size of gear train
Cover board 7, is then installed on the open end of babinet 3 by plate 7, and the gap between such cover board 7 is opening for the open end of babinet 3
Degree is removed cover board 7 from babinet 3, then the cover board of reselection suitable dimension is pacified when needing to change the aperture of babinet 3
Dress.
In further scheme, in order to improve the effect of 3 shielding noise of babinet, in this embodiment, case
The inside of body 3 is additionally provided with sound-absorbing material layer 5, and sound-absorbing material layer 5 and the inner wall of babinet 3 fit, in this way, by the way that sound-absorbing is arranged
Material layer 5 can further avoid the sound sent out when extraneous noise jamming gear train 1 operates.
It should be noted that in this embodiment, sound-absorbing material layer 5 can be acoustical cotton layer, can also basis
Particular situation is such as provided with sound panel, acoustical cotton layer is set in sound panel and babinet using other set-up modes
Between wall etc..
Further, since gear train 1 is when being detected, needs first to carry out break-in to gear train 1, in break-in, need
The oils such as lubricating oil are used, therefore when being detected, in order to avoid components such as lubricant pollution sound collectors 4, in case
The inside of body 3 is additionally provided with oil baffle 6, and oil baffle 6 is oppositely arranged with sound collector 4, in this way, the oil that gear train 1 is dripped
Drop can be dropped on oil baffle 6, so as to avoid sound collector 4 from being polluted by oil, and then can improve sound collecting
The service life of device 4 and the voice recognition effect for ensureing sound collector 4.
It should be noted that in this embodiment, after babinet 3 installs, oil baffle 6 and gear train 1
End in the open state is opposite, can so play the effect of shelves oil.Certainly, it is also not excluded for oil baffle using other
Set-up mode, such as oil baffle is made it is coniform, the inside of babinet 3 and oil baffle convenient for oil-collecting is arranged at opposite position
Slot can so ensure the spatter property of 3 internal environment of babinet.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (8)
1. a kind of voice acquisition system, the voice acquisition system is for receiving the sound that gear train is sent out in the running
Collection, which is characterized in that the voice acquisition system includes babinet, is set to the sound collector of the box house, the case
Body is used to be connected with the mounting platform of installation gear train and the sound collector is used to be oppositely arranged with gear train, institute
Sound collector is stated with sound-box device to be connected；
When being detected to the gear train, the gear train is installed on mounting platform, the gear train is in
The end face of opening state is attached with the babinet, and gear train end face in the open state is surrounded with the babinet
Closed space.
2. voice acquisition system as described in claim 1, which is characterized in that the voice acquisition system further includes amplification electricity
Road, the sound collector are connected by the amplifying circuit with the sound-box device.
3. voice acquisition system as claimed in claim 2, which is characterized in that the amplifying circuit includes amplifier block and control
System switch, the input terminal of the amplifier block are connected with the output end of the sound collector, the amplifier block
Output end is connected with the input terminal of the sound-box device, and the control switch with gear train for linking.
4. voice acquisition system as claimed in claim 2, which is characterized in that the babinet is the babinet with open end, institute
The open end for stating sound collector and the babinet is oppositely arranged, and the open end of the babinet is used for the peace with installation gear train
Assembling platform is connected.
5. voice acquisition system as claimed in claim 4, which is characterized in that the babinet further includes cover board, the cover board energy
It slides enough open ends along the babinet.
6. voice acquisition system as claimed in claim 4, which is characterized in that the babinet further includes being set to the babinet
The cover board of open end, the cover board are detachably connected with the babinet.
7. such as claim 1 to 6 any one of them voice acquisition system, which is characterized in that the inside of the babinet is also set up
There are sound-absorbing material layer, the inner wall of the sound-absorbing material layer and the babinet to fit.
8. voice acquisition system as claimed in claim 7, which is characterized in that the box house is additionally provided with oil baffle, institute
Oil baffle is stated to be oppositely arranged with the sound collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433416.7A CN105208487B (en) | 2015-07-22 | 2015-07-22 | A kind of voice acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433416.7A CN105208487B (en) | 2015-07-22 | 2015-07-22 | A kind of voice acquisition system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105208487A CN105208487A (en) | 2015-12-30 |
| CN105208487B true CN105208487B (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510433416.7A Active CN105208487B (en) | 2015-07-22 | 2015-07-22 | A kind of voice acquisition system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261564B (en) * | 2020-09-29 | 2022-03-25 | 深圳市优创锐电子有限公司 | Voice-recognition-based sound amplification receiving equipment |
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| CN103661101A (en) * | 2013-12-22 | 2014-03-26 | 天津恒远达科技有限公司 | Device for monitoring abnormal noise of automobile in real time |
| CN103759955A (en) * | 2013-12-27 | 2014-04-30 | 西南交通大学 | Train operation state monitoring system based on data projection mode conversion |
| CN104266749A (en) * | 2014-10-24 | 2015-01-07 | 重庆市科学技术研究院 | Device and method for offline detecting NVH (Noise Vibration and Harshness) of vehicle generator |
| CN205105372U (en) * | 2015-07-22 | 2016-03-23 | 广西汽车集团有限公司 | Sound acquisition system |
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2015
- 2015-07-22 CN CN201510433416.7A patent/CN105208487B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2364315A1 (en) * | 1999-03-09 | 2000-09-14 | Wiebren De Jonge | The traffic information and pricing (tip) system |
| CN102564756A (en) * | 2010-12-31 | 2012-07-11 | 中国科学院沈阳自动化研究所 | Automobile transmission vibration analysis testing method and device |
| CN203298989U (en) * | 2013-06-24 | 2013-11-20 | 合肥工业大学 | Gear dynamics characteristic test device |
| CN103661101A (en) * | 2013-12-22 | 2014-03-26 | 天津恒远达科技有限公司 | Device for monitoring abnormal noise of automobile in real time |
| CN103759955A (en) * | 2013-12-27 | 2014-04-30 | 西南交通大学 | Train operation state monitoring system based on data projection mode conversion |
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