CN106658305A - Vibrator, electronic device and vibration generation method of vibrator - Google Patents

Vibrator, electronic device and vibration generation method of vibrator Download PDF

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Publication number
CN106658305A
CN106658305A CN201710059411.1A CN201710059411A CN106658305A CN 106658305 A CN106658305 A CN 106658305A CN 201710059411 A CN201710059411 A CN 201710059411A CN 106658305 A CN106658305 A CN 106658305A
Authority
CN
China
Prior art keywords
vibration
vibrator
audio signal
frequency
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710059411.1A
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Chinese (zh)
Inventor
王洪兴
葛欢
郭顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ACC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Holdings Nanjing Co Ltd
Original Assignee
ACC Acoustic Technologies Shenzhen Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ACC Acoustic Technologies Shenzhen Co Ltd filed Critical ACC Acoustic Technologies Shenzhen Co Ltd
Priority to CN201710059411.1A priority Critical patent/CN106658305A/en
Publication of CN106658305A publication Critical patent/CN106658305A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/12Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00Signal processing covered by H04R, not provided for in its groups

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

The invention provides a vibrator comprising at least two vibration units with different resonant frequencies and working independently, wherein the at least two vibration units receive first audio signals and make response to the first audio signals in the vicinity of the respective resonant frequencies to output vibration; and the difference of the resonant frequencies of the at least two vibration units is at least 500Hz. The invention further discloses an electronic device and a vibration generation method of the vibrator. According to the vibrator and the vibration generation method of the vibrator provided by the invention, the response frequency band is wider.

Description

The vibration production method of vibrator, electronic installation and vibrator
【Technical field】
The present invention relates to vibrator equipment, more particularly to a kind of vibrator, the electronic installation with this kind of vibrator, and The vibration production method of this kind of vibrator.
【Background technology】
In existing electronic equipment, a vibrator is typically all mounted with, the vibrator receives audio signal, and exports phase The vibration answered, the vibration is delivered on the housing of electronic equipment, drives the vibration of equipment, and promotes air, and then sounding.
The vibrator that prior art is adopted, is usually present a resonant frequency point, sound of the device in its resonant frequency point Should be larger, and remaining frequency location response in off-resonance Frequency point can be reduced substantially, cause vibrator driving panel or Audio frequency response after housing sounding is difficult to have very wide frequency band.For example, it is general, if by the resonant frequency of vibrator It is arranged on hundreds of hertz of lower frequency, then under the device drive, panel vibration or hull vibration can be produced very well LF-response, and at higher Frequency point, the frequency range of such as 10kHz or so, response then can be less than normal.
Therefore, it is necessary to provide a kind of new vibrator, the electronic installation with this kind of vibrator and new vibration Device vibrates production method.
【The content of the invention】
It is an object of the invention to provide a kind of with the more vibrator of broadband response scope, electronic installation and vibration The vibration production method of device.
Technical scheme is as follows:A kind of vibrator, including with different resonant frequencies and work independent relative to each other At least two vibration units made, at least two vibration unit receives the first audio signal, and respectively respective described First audio signal, output vibration are responded near resonant frequency;The resonant frequency of vibration unit described at least two is at least Difference 500Hz.
In one embodiment, the vibrator includes two vibration units, and two vibration units include dither list Unit and low-frequency vibration unit;The resonant frequency of the dither unit is at least higher than the resonant frequency of the low-frequency vibration unit 500Hz, and the quality of the oscillator in the low-frequency vibration unit of low quality of the oscillator of the dither unit.
In one embodiment, the vibrator is vibrating motor;Each vibrator includes stator and oscillator;It is described One of oscillator and stator are magnet, and the other of the oscillator and the stator are coil.
A kind of electronic installation, including housing and the panel on housing, also including foregoing vibrator, institute At least two vibration units output vibration of vibrator is stated to drive at least one of the housing or panel sounding;It is described to shake The direction of vibration of moving cell is perpendicular to the housing or the panel.
A kind of vibration production method of vibrator as above, the vibration production method of the vibrator includes:S1, connect Receive the first audio signal;S2, first audio signal is responded near at least two different resonant frequencies respectively, output is shaken It is dynamic.
The beneficial effects of the present invention is:Audio signal is received using the vibration unit with different resonant frequencies, to divide Audio signal is not responded near different resonant frequencies and vibration is exported, so as to widen the frequency response scope of vibrator.
In addition, the vibrator includes a signaling interface, at least two vibration unit is connect by the signal Mouth receives first audio signal;Or at least two vibration unit respectively includes a signaling interface, each vibration unit First audio signal is received by its signaling interface.
In addition, the vibrator also includes balanced device and amplifier, the balanced device is used for first audio signal Carry out equilibrium treatment, first audio signal after the amplifier is used for equilibrium treatment is amplified and transmits to described At least two vibration units.
In addition, the vibrator also includes at least two wave filters, at least two wave filter and described at least two Vibration unit is corresponded, and at least two wave filter is transmitted separately to after being filtered to first audio signal respectively Corresponding balanced device.
In addition, the vibrator also includes at least two frequency dividers, the frequency divider is respectively to amplifier output Signal is transmitted again at least two vibration unit after being divided.
In addition, step S2 includes step:S21, using different wave filters first audio signal is entered respectively Row filtering process, obtains including at least two second audio signals of different resonant frequencies;It is S22, different at least two respectively Resonant frequency near respond second audio signal, output vibration.
In addition, also including step before step S22:Equilibrium and enhanced processing are carried out to second audio signal.
In addition, step S2 includes step:S21 ', equilibrium and enhanced processing are carried out to first audio signal; S21 ', first audio signal processed respectively, obtains the second audio signal of at least two different resonant frequencies, And respond near the different resonant frequencies second audio signal, output vibration respectively.
【Description of the drawings】
Fig. 1 is a kind of structural representation of vibrator of first embodiment of the invention;
Fig. 2 is the structural representation of another kind of vibrator of first embodiment of the invention;
Fig. 3 is the structural representation of another vibrator of first embodiment of the invention;
Fig. 4 is the structural representation of another vibrator of first embodiment of the invention;
Fig. 5 is also a kind of structural representation of vibrator of first embodiment of the invention;
Fig. 6 is the structural representation of the vibrator of second embodiment of the invention;
Fig. 7 is the structural representation of the electronic installation of third embodiment of the invention;
Fig. 8 is the flow chart that a kind of vibrator of four embodiment of the invention vibrates production method;
Fig. 9 is the flow chart that another kind of vibrator of four embodiment of the invention vibrates production method;
Figure 10 is the flow chart that a kind of vibrator of fifth embodiment of the invention vibrates production method;
Figure 11 is the flow chart that another kind of vibrator of fifth embodiment of the invention vibrates production method.
【Specific embodiment】
Below in conjunction with the accompanying drawings the invention will be further described with embodiment.
Above-described is only embodiments of the present invention, it should be noted here that for one of ordinary skill in the art For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to the protection model of the present invention Enclose.
The first embodiment of the present invention is related to a kind of vibrator 10, is applied to the electronic installation with panel or panel In.Wherein, the vibrator 10 includes at least two vibration units for having different resonant frequencies and working independently relative to each other, and The resonant frequency of vibration unit described at least two at least differs 500Hz, preferably differs 1000Hz, more preferably differs 3000Hz.At least two vibration unit receives the first audio frequency letter for obtaining left channel signals and right-channel signals audio mixing Number, and first audio signal is responded near the respective resonant frequency respectively, output vibration.It is arranged such, can be with Audio signal is received using the vibration unit with different resonant frequencies, near different resonant frequencies to respond audio frequency respectively Signal simultaneously exports vibration, so as to widen the frequency response scope of vibrator.And term " working independently relative to each other " means every One vibration unit itself is respectively provided with magnet and coil, make oscillator inside each vibration unit can individually at its each Resonant frequency at vibrated, and not by other vibration units interference and affect;I.e., between each two vibration unit not Interaction can be produced.In the present embodiment, vibration unit is preferably vibrating motor.Therefore, " work independently relative to each other " then It is presented as, each vibrator includes stator and oscillator;Wherein, one of oscillator and stator are magnet, and oscillator and stator The other of be coil.So, the work that each vibrating motor can be independent, and produce corresponding resonant frequency.
Here, for convenience of showing, present embodiment only illustrates that in the accompanying drawings two vibration units are illustrated, such as Fig. 1 institutes Show, at least two vibration unit is respectively dither unit 110 and low-frequency vibration unit 111.Wherein, the dither The resonant frequency of unit 110 500Hz at least higher than the resonant frequency of low-frequency vibration unit 111, preferably differs 1000Hz, more excellent Elect difference 3000Hz as.The matter of the oscillator oscillator in the low-frequency vibration unit 111 of low quality of the high-frequency resonant unit 110 Amount.In the present embodiment, it is preferred that oscillator of the quality of the oscillator of the dither unit 110 less than low-frequency vibration unit 111 Quality.In addition, the direction of vibration of the oscillator of dither unit 110 and low-frequency vibration unit 111 is preferably normal to electricity The housing of sub-device or the direction of panel.
In the present embodiment, the vibrator 10 can include a signaling interface 12, the signaling interface 12 respectively with it is described Dither unit 110 is connected with low-frequency vibration unit 111, so as to the dither unit 110 and low-frequency vibration unit 111 First audio signal is received by the signaling interface 12, as shown in Figure 2.
It is understood that the dither unit 110 and low-frequency vibration unit 111 can also be set to respectively include One signaling interface 13, the dither unit 110 and low-frequency vibration unit 111 pass through respectively its corresponding signaling interface 13 First audio signal is received, as shown in Figure 3.
Further, referring to Fig. 4, the vibrator may also include balanced device 14 and amplifier 15, and the balanced device 14 is used In equilibrium treatment is carried out to first audio signal, first audio frequency after the amplifier 15 is used for equilibrium treatment is believed Number carry out power amplification and transmit to the dither unit 110 and low-frequency vibration unit 111.
Further, referring to Fig. 5, in present embodiment, can also be according to the low-frequency vibration unit of dither unit 110/ 111 actual frequency response and the application demand of reality, in amplifier and the low-frequency vibration unit 111 of dither unit 110/ Between frequency divider 16 is set, the power audio signal that amplifier 15 is exported is divided into high pitch and bass and delivers to dither list First 110/ low-frequency vibration unit 111.
Second embodiment of the present invention is related to a kind of vibrator, second embodiment and first embodiment substantially phase Together, main distinction part is:In second embodiment of the invention, first pass through wave filter and the first audio signal is filtered Process, then transmit at least two vibration units after equalised device, amplifier process again, it is specific as follows:
The vibrator 10 also includes at least two wave filters 17, at least two wave filter 17 and dither unit 110 and low-frequency vibration unit 111 correspond, at least two wave filter 17 is filtered respectively to first audio signal Corresponding balanced device 14 is transmitted separately to after ripple, as shown in Figure 6.
The wave filter 17 is at least one of high-pass filter, low pass filter and bandpass filter, for shaking Moving cell can use bandpass filter in the vibrator of three or more than three.Specifically, in the present embodiment, with institute It is high-pass filter to state the corresponding wave filter 17 of dither unit 110, with the corresponding wave filter of the low-frequency vibration unit 111 17 is low pass filter.
Third embodiment of the present invention is related to a kind of electronic installation 20, as shown in fig. 7, comprises housing 21 and being arranged on Panel 22 on housing 21, also including foregoing vibrator 10, at least two vibration units 11 of the vibrator 10 are defeated Go out vibration to drive at least one of the housing 21 or panel 22 sounding.In the present embodiment, the vibrator 10 is at least Two vibration units 11 can be arranged on diverse location on the housing 21 or panel 22, and the direction of vibration of each vibration unit Perpendicular to the housing 21 or panel 22 of the electronic installation.At least two vibration unit 11 receives the first audio signal, and divides First audio signal, output vibration are not responded near the respective resonant frequency.
It should be noted that each module involved in present embodiment is logic module, in actual applications, one Individual logical block can be a part for a physical location, or a physical location, can be with multiple physics lists The combination of unit is realized.Additionally, the innovative part in order to project the present invention, will not be with solution institute of the present invention in present embodiment The unit that the technical problem relation of proposition is less close is introduced, but this is not intended that in present embodiment there are no other lists Unit.
4th embodiment of the present invention is related to a kind of vibration production method of vibrator as above, the vibrator Vibration production method include:
Step S1, the first audio signal of reception;
Step S2, first audio signal is responded near at least two different resonant frequencies respectively, output vibration, Idiographic flow is as shown in Figure 8.
Specifically, it is described to respond first audio signal, output vibration near at least two resonant frequencies respectively The step of S2, including:
Step S21, equilibrium and enhanced processing are carried out to first audio signal;
Step S22, first audio signal processed respectively, obtain the of at least two different resonant frequencies Two audio signals, and second audio signal is responded near the different resonant frequencies respectively, output vibration, concrete stream Journey is as shown in Figure 9.It should be noted that the second audio signal obtained after processing first audio signal is delivered to High and low frequency vibration unit, delivers to whether the second audio signal of high and low frequency vibration unit is needed through frequency dividing, by two vibrations The actual frequency response of unit and the application demand of reality are determined.
It is seen that, present embodiment is the embodiment of the method corresponding with first embodiment, and present embodiment can be with First embodiment is worked in coordination enforcement.The relevant technical details mentioned in first embodiment still have in the present embodiment Effect, in order to reduce repetition, repeats no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in In first embodiment.
5th embodiment of the present invention is related to a kind of vibrator vibration production method, and the 4th embodiment and the 3rd is implemented Mode is roughly the same, and main distinction part is:In the third embodiment, in balanced device and amplifier to the first audio signal After carrying out balanced and amplification, can be determined according to the application demand of the response of the actual frequency of high and low frequency vibration unit and reality It is fixed whether scaling down processing to be carried out to audio signal by frequency divider, and in four embodiment of the invention, balanced device with put Big device is carried out before balanced and amplification to the first audio signal, process is filtered to audio signal by wave filter, specifically such as Under:
It is described to respond the step of first audio signal, output vibration S2 near at least two resonant frequencies respectively, Including:
Step S21 ', using different wave filters process is filtered to first audio signal respectively, including At least two second audio signals of different resonant frequencies;
Step S22 ', respond near at least two different resonant frequencies described include different resonant frequencies extremely respectively Few two the second audio signals, output vibration, idiographic flow is as shown in Figure 10.
Specifically, step S22 ' before, including:Step S30 ', equilibrium and amplification are carried out to second audio signal Process, idiographic flow is as shown in figure 11.
Because second embodiment is mutually corresponding with present embodiment, therefore present embodiment can be mutual with second embodiment It is engaged enforcement.The relevant technical details mentioned in second embodiment still effectively, are implemented in the present embodiment second The technique effect to be reached in mode is in the present embodiment similarly it is achieved that in order to reduce repetition, no longer go to live in the household of one's in-laws on getting married here State.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in second embodiment.
Above the step of various methods divide, be intended merely to description it is clear, can merge into when realizing a step or Some steps are split, multiple steps are decomposed into, as long as comprising identical logical relation, all in the protection domain of this patent It is interior;To either adding inessential modification in algorithm in flow process or introducing inessential design, but its algorithm is not changed With the core design of flow process all in the protection domain of the patent.
Above-described is only embodiments of the present invention, it should be noted here that for one of ordinary skill in the art For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to the protection model of the present invention Enclose.

Claims (11)

1. a kind of vibrator, it is characterised in that include at least two for there are different resonant frequencies and working independently relative to each other Vibration unit, at least two vibration unit receives the first audio signal, and respectively near the respective resonant frequency Respond first audio signal, output vibration;The resonant frequency of vibration unit described at least two at least differs 500Hz.
2. vibrator according to claim 1, it is characterised in that the vibrator includes two vibration units, and two Vibration unit includes dither unit and low-frequency vibration unit;The resonant frequency of the dither unit is shaken than the low frequency At least high 500Hz of the resonant frequency of moving cell, and the oscillator of the dither unit is of low quality in the low-frequency vibration The quality of the oscillator of unit.
3. vibrator according to claim 1, it is characterised in that the vibrator is vibrating motor;Each vibration Device includes stator and oscillator;One of the oscillator and stator are another in magnet, and the oscillator and the stator Person is coil.
4. vibrator according to claim 1, it is characterised in that the vibrator includes a signaling interface, it is described extremely Few two vibration units receive first audio signal by the signaling interface;Or
At least two vibration unit respectively includes a signaling interface, and each vibration unit receives described by its signaling interface First audio signal.
5. the vibrator according to any one of claim 1-4, it is characterised in that the vibrator also include balanced device and Amplifier, the balanced device is used to carry out first audio signal equilibrium treatment, and the amplifier is used for equilibrium treatment First audio signal afterwards is amplified and transmits at least two vibration unit.
6. vibrator according to claim 5, it is characterised in that the vibrator also includes at least two wave filters, institute State at least two wave filters to correspond with least two vibration unit, at least two wave filter is respectively to described One audio signal is transmitted separately to corresponding balanced device after being filtered.
7. vibrator according to claim 5, it is characterised in that the vibrator also includes at least two frequency dividers, institute State after frequency divider is divided respectively to the signal of amplifier output and transmit again at least two vibration unit.
8. a kind of electronic installation, including housing and the panel on housing, it is characterised in that also include appointing as weighed 1-7 Vibrator described in one, during at least two vibration units output vibration of the vibrator is to drive the housing or panel At least one sounding;The direction of vibration of the vibration unit is perpendicular to the housing or the panel.
9. a kind of vibration production method of vibrator as claimed in claim 1, it is characterised in that the vibration of the vibrator is produced Generation method includes:
S1, the first audio signal of reception;
S2, first audio signal is responded near at least two different resonant frequencies respectively, output vibration.
10. the vibration production method of vibrator according to claim 9, it is characterised in that step S2 includes step:
S21, using different wave filters process is filtered to first audio signal respectively, obtains including different resonance frequencies At least two second audio signals of rate;
S22, respond near at least two different resonant frequencies described include at least two the of different resonant frequencies respectively Two audio signals, output vibration.
The vibration production method of 11. vibrators according to claim 9, it is characterised in that step S2 includes step:
S21 ', equilibrium and enhanced processing are carried out to first audio signal;
S22 ', first audio signal processed respectively, obtain the second audio frequency of at least two different resonant frequencies Signal, and second audio signal is responded near the different resonant frequencies respectively, output vibration.
CN201710059411.1A 2017-01-24 2017-01-24 Vibrator, electronic device and vibration generation method of vibrator Pending CN106658305A (en)

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CN201710059411.1A CN106658305A (en) 2017-01-24 2017-01-24 Vibrator, electronic device and vibration generation method of vibrator

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Application Number Priority Date Filing Date Title
CN201710059411.1A CN106658305A (en) 2017-01-24 2017-01-24 Vibrator, electronic device and vibration generation method of vibrator

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108347209A (en) * 2018-02-02 2018-07-31 瑞声科技(新加坡)有限公司 Overshoot response eliminates system and method
CN108710434A (en) * 2018-05-14 2018-10-26 瑞声科技(新加坡)有限公司 The model parameter value method for solving and touch-control vibrator of touch-control vibrator
CN110830613A (en) * 2018-08-14 2020-02-21 三星显示有限公司 Display device and method for driving display device

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JPH10341495A (en) * 1997-06-10 1998-12-22 Matsushita Electric Ind Co Ltd Speaker system
JP2007060367A (en) * 2005-08-25 2007-03-08 Tetsuo Furumoto Acoustic system
CN101827297A (en) * 2010-05-26 2010-09-08 浙江师范大学 Frequency-division piezoelectric bone conduction auditory device
CN202551341U (en) * 2012-05-05 2012-11-21 浙江师范大学 Internal and external conduction combined dual-frequency type piezoelectric bone hearing-assisting conduction device
US20130073295A1 (en) * 2011-09-21 2013-03-21 Apple Inc. Audio codec with vibrator support

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0984173A (en) * 1995-09-13 1997-03-28 Mitsubishi Electric Corp Acoustic reproducing device
JPH10341495A (en) * 1997-06-10 1998-12-22 Matsushita Electric Ind Co Ltd Speaker system
JP2007060367A (en) * 2005-08-25 2007-03-08 Tetsuo Furumoto Acoustic system
CN101827297A (en) * 2010-05-26 2010-09-08 浙江师范大学 Frequency-division piezoelectric bone conduction auditory device
US20130073295A1 (en) * 2011-09-21 2013-03-21 Apple Inc. Audio codec with vibrator support
CN202551341U (en) * 2012-05-05 2012-11-21 浙江师范大学 Internal and external conduction combined dual-frequency type piezoelectric bone hearing-assisting conduction device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108347209A (en) * 2018-02-02 2018-07-31 瑞声科技(新加坡)有限公司 Overshoot response eliminates system and method
CN108710434A (en) * 2018-05-14 2018-10-26 瑞声科技(新加坡)有限公司 The model parameter value method for solving and touch-control vibrator of touch-control vibrator
CN108710434B (en) * 2018-05-14 2021-07-09 瑞声科技(新加坡)有限公司 Touch vibrator and model parameter value solving method thereof
CN110830613A (en) * 2018-08-14 2020-02-21 三星显示有限公司 Display device and method for driving display device
CN110830613B (en) * 2018-08-14 2023-08-29 三星显示有限公司 Display device and driving method of display device

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Application publication date: 20170510