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CN107396275B - A kind of amplitude detecting device, method and mobile terminal - Google Patents

A kind of amplitude detecting device, method and mobile terminal Download PDF

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Publication number
CN107396275B
CN107396275B CN201710599750.9A CN201710599750A CN107396275B CN 107396275 B CN107396275 B CN 107396275B CN 201710599750 A CN201710599750 A CN 201710599750A CN 107396275 B CN107396275 B CN 107396275B
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China
Prior art keywords
inductor
amplitude
loudspeaker
value
speaker
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CN107396275A (en
Inventor
阮清波
张岳刚
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00Monitoring arrangements; Testing arrangements
    • H04R29/001Monitoring arrangements; Testing arrangements for loudspeakers

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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)
  • Telephone Function (AREA)

Abstract

本发明涉及通信技术领域,提供一种振幅检测装置、方法及移动终端,以解决现有的扬声器的性能较差的问题。振幅检测装置包括扬声器、音腔、谐振电路和数据处理模块;其中,所述扬声器与所述音腔的音腔板相对设置,所述谐振电路包括并联连接的电感器和电容器,所述电感器设于所述音腔板上,所述谐振电路与所述数据处理模块电连接;所述扬声器的振膜具有导磁特性;所述数据处理模块通过获取所述扬声器与所述电感器之间的距离,并基于所述扬声器与所述电感器之间的距离变化,确定所述扬声器的振幅。这样,由于不需要在扬声器的膜片上增加其他物质,不会影响扬声器的性能,扬声器的性能较好。

The present invention relates to the field of communication technology, and provides an amplitude detection device, method and mobile terminal to solve the problem of poor performance of existing speakers. The amplitude detection device includes a loudspeaker, a sound cavity, a resonance circuit and a data processing module; wherein, the loudspeaker is arranged opposite to the sound cavity plate of the sound cavity, and the resonance circuit includes an inductor and a capacitor connected in parallel, the inductor set on the sound cavity board, the resonant circuit is electrically connected with the data processing module; the diaphragm of the speaker has magnetic conductivity; the data processing module obtains the difference between the speaker and the inductor by obtaining and determine the amplitude of the loudspeaker based on the change in distance between the loudspeaker and the inductor. In this way, since there is no need to add other substances on the diaphragm of the speaker, the performance of the speaker is not affected, and the performance of the speaker is better.

Description

A kind of amplitude detecting device, method and mobile terminal
Technical field
The present invention relates to field of communication technology more particularly to a kind of amplitude detecting devices, method and mobile terminal.
Background technique
Loudspeaker is a kind of device that can convert the electrical signal to voice signal, the effect of the performance of loudspeaker to sound It influences very big.When loudspeaker is in the biggish working condition of amplitude for a long time, the performance of loudspeaker will receive influence.Therefore, The amplitude for needing to detect loudspeaker, the amplitude for controlling loudspeaker are in a certain range.
Currently, the amplitude detection mode of loudspeaker is mainly photosensitive detection and capacitance detecting.But passing through photosensitive detection Perhaps it needs to add light-sensitive element or conductive materials on the diaphragm of loudspeaker when the amplitude of capacitance detecting loudspeaker.In this way, During detected amplitude, due to increasing other substances on diaphragm, the quality of loudspeaker is increased, the property of loudspeaker is affected Energy.
As it can be seen that the performance of existing loudspeaker is poor.
Summary of the invention
The embodiment of the present invention provides a kind of amplitude detecting device, method and mobile terminal, to solve existing loudspeaker The poor problem of performance.
In a first aspect, the embodiment of the invention provides a kind of amplitude detecting devices, comprising:
Loudspeaker, sound chamber, resonance circuit and data processing module;
Wherein, the sound cavity plate of the loudspeaker and the sound chamber is oppositely arranged, and the resonance circuit includes being connected in parallel Inductor and capacitor, the inductor are set in the sound cavity plate, and the resonance circuit is electrically connected with the data processing module It connects;The vibrating diaphragm of the loudspeaker has permeance;
The data processing module is raised by obtaining the distance between the loudspeaker and the inductor, and based on described The variation of the distance between sound device and the inductor, determines the amplitude of the loudspeaker.
Second aspect, the embodiment of the present invention also provide a kind of amplitude detection method, comprising:
When the amplitude detecting device is in original state, the initial distance value between loudspeaker and inductor is obtained, The original state is the state when amplitude detecting device is static;
When the amplitude detecting device is in running order, the work between the loudspeaker and the inductor is obtained Distance value, the working condition are the state when amplitude detecting device works;
The amplitude of the loudspeaker is calculated based on the initial distance value and the operating distance value.
The third aspect, the embodiment of the present invention also provide a kind of mobile terminal, comprising: memory, processor and are stored in On reservoir and the computer program that can run on a processor, the processor realize institute as above when executing the computer program The step in amplitude detection method stated.
Fourth aspect, the embodiment of the present invention also provide a kind of computer readable storage medium, the computer-readable storage Computer program is stored on medium, which realizes the step in amplitude detection method as described above when being executed by processor Suddenly.
In this way, amplitude detecting device includes loudspeaker, sound chamber, resonance circuit and data processing mould in the embodiment of the present invention Block;Wherein, the sound cavity plate of the loudspeaker and the sound chamber is oppositely arranged, and the resonance circuit includes the inductor being connected in parallel And capacitor, the inductor are set in the sound cavity plate, the resonance circuit is electrically connected with the data processing module;It is described The vibrating diaphragm of loudspeaker has permeance;The data processing module is by obtaining between the loudspeaker and the inductor Distance, and changed based on the distance between the loudspeaker and the inductor, determine the amplitude of the loudspeaker.In this way, working as When carrying out amplitude detection, due to not needing to increase other substances on the diaphragm of loudspeaker, the performance of loudspeaker will not influence, because This, the better performances of loudspeaker.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings Obtain other attached drawings.
Fig. 1 is one of the structural schematic diagram of amplitude detecting device provided in an embodiment of the present invention;
Fig. 2 is the second structural representation of amplitude detecting device provided in an embodiment of the present invention;
Fig. 3 is the third structural representation of amplitude detecting device provided in an embodiment of the present invention;
Fig. 4 is one of the flow chart of amplitude detection method provided in an embodiment of the present invention;
Fig. 5 is the two of the flow chart of amplitude detection method provided in an embodiment of the present invention;
Fig. 6 is the structural schematic diagram of mobile terminal provided in an embodiment of the present invention.
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 some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
Referring to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 is amplitude detecting device figure provided in an embodiment of the present invention.As shown in Figure 1, vibration Width detection device includes:
Loudspeaker 1, sound chamber 2, resonance circuit 3 and data processing module 4;
Wherein, the sound cavity plate 21 of the loudspeaker 1 and the sound chamber 2 is oppositely arranged, as shown in Fig. 2, the resonance circuit 3 Including the inductor 31 and capacitor 32 being connected in parallel.As shown in connection with fig. 1, the inductor 31 is set in the sound cavity plate 21, The resonance circuit 3 is electrically connected with the data processing module 4;The vibrating diaphragm of the loudspeaker 1 has permeance;The data Processing module 4 by obtain the distance between the loudspeaker 1 and the inductor 31, and be based on the loudspeaker 1 with it is described The variation of the distance between inductor 31, determines the amplitude of the loudspeaker 1.
Inductor 31 is set in the sound cavity plate 21 of sound chamber 2.Specifically, can be inductance coil to be implanted into, patch or The mode of etching, set on the position opposite with vibrating diaphragm of sound cavity plate.In this way, when amplitude detecting device is completed to install, loudspeaker 1 Vibrating diaphragm be oppositely arranged with inductor 31.The material of vibrating diaphragm is magnetically permeable material, for example, the alloy material of iron, cobalt, nickel, The surface of vibrating diaphragm can be handled, make vibrating diaphragm that there is permeance.
As shown in Fig. 2, inductor 31 can be inductance coil, inductor 31 can formation resonance electricity in parallel with capacitor 32 Road 3.Since the vibrating diaphragm of loudspeaker 1 has permeance, in this way, can cause when loudspeaker 1 changes at a distance from inductor 31 The inductance value of inductor 31 changes, and the resonance frequency so as to cause resonance circuit 3 changes, and data processing module 4 can To obtain the distance between loudspeaker and inductor by the variation for detecting resonance frequency, to detect the amplitude of loudspeaker.
It should be noted that capacitor 32 and data processing module 4 can be set to other components according to the actual situation On, the present embodiment is not construed as limiting this.For example, data processing module 4 can be set to flexible circuit board (Flexible Printed Circuit, abbreviation FPC) on.It is only for position shown in resonance circuit 3 and data processing module 4 in Fig. 1 Signal.
Specifically, it can be determined the amplitude of loudspeaker in the following way.
The resonance frequency of resonance circuit 3 can calculate according to the following formula,Wherein f is resonance frequency Rate, L are the inductance value of inductor 31, and C is the capacitance of capacitor.
The inductance value L of inductor 31 can use formula table with the variation relation of the distance between inductor 31 and loudspeaker 1 D Up to for L=L0+K/D2, wherein L is inductance value of the inductor 31 in working condition, L0When being in original state for inductor 31 Inductor initial value, K is constant, operating distance value of the D between loudspeaker 1 and inductor 31.
By the resonance of the distance between the available inductor 31 of above-mentioned two formula and loudspeaker 1 D and resonance circuit 3 frequency The initial value L of rate f, the capacitance C of capacitor and inductor 310Between relationship:
In this way, can be by obtaining resonance frequency f, capacitance C and inductance initial value L0, to be obtained according to above-mentioned formula Operating distance D between inductor 31 and loudspeaker 1 at work.
Furthermore it is possible to obtain loudspeaker 1 and inductor 31 is in initial distance value D under original state0, the original state It can be understood as original state of the loudspeaker in not sounding, and obtain operating distance D and initial distance D0Difference, the difference The as real-time amplitude of loudspeaker at work.
In this way, due to not needing to increase other substances on the diaphragm of loudspeaker, will not influence when carrying out amplitude detection The performance of loudspeaker, therefore, the better performances of loudspeaker.
Optionally, as shown in figure 3, described device further includes power amplification system 5, the data processing module 4 and the power amplifier System 5 is electrically connected, and the power amplification system 5 is electrically connected with the loudspeaker 1;
The data processing module 4 sends the amplitude detected to the power amplification system 5, and the power amplification system 5 is according to institute State the signal strength in amplitude adjustment signal source.
In this embodiment, data processing module 4 can send the amplitude of the loudspeaker 1 detected to power amplification system 5, Power amplification system 5 judges whether the amplitude is greater than default amplitude, if the amplitude of loudspeaker 1 is greater than default amplitude, power amplification system 5 will The signal strength of signal source reduces.
In this way, amplitude detecting device can protect loudspeaker, mention according to the signal strength in the amplitude adjustment signal source of detection The performance of high loudspeaker extends the service life of loudspeaker.
Optionally, as shown in figure 3, the predeterminable area of the vibrating diaphragm has permeance, the predeterminable area is plane;
The inductor is set to the position with the plane face of the sound cavity plate.
In this embodiment, the film top of the vibrating diaphragm of loudspeaker 1 is equipped with a plane domain 11, which, which has, leads Magnetic characteristic, inductor 31 and plane domain 11 are to just.In this way, loudspeaker 1 changes at a distance from inductor can change electricity Inductance value, and the variation of inductance value is sensitive, and the sensitivity of detected amplitude can be improved.
The embodiment of the present invention also provides a kind of mobile terminal, which includes described in any of the above-described embodiment Amplitude detecting device.Since the mobile terminal includes above-mentioned amplitude detecting device, which has with above-mentioned amplitude detection The identical beneficial effect of device, details are not described herein again.
Referring to fig. 4, Fig. 4 is the flow chart of amplitude detection method provided in an embodiment of the present invention.Amplitude detection method application In mobile terminal, which includes the amplitude detecting device in above-described embodiment.As shown in figure 4, amplitude detection method packet It includes:
Step 401, when the amplitude detecting device is in original state, obtain initial between loudspeaker and inductor Distance value, the original state are the state when amplitude detecting device is static.
Wherein, above-mentioned original state can be understood as state when amplitude detecting device does not work, at this point, loudspeaker is not sent out Sound, loudspeaker and inductor remain static.At initial distance value, that is, amplitude detecting device between loudspeaker and inductor Distance value under above-mentioned original state.
Step 402, when the amplitude detecting device is in running order, obtain the loudspeaker and the inductor it Between operating distance value, the working condition be the amplitude detecting device work when state.
Wherein, above-mentioned working condition can be understood as amplitude detecting device and work, shape when loudspeaker vibration sounding State.The vibration of loudspeaker changes the distance between loudspeaker and inductor, when any under available above-mentioned working condition The loudspeaker at quarter and the distance value of inductor.
Step 403, the amplitude that the loudspeaker is calculated based on the initial distance value and the operating distance value.
In this step, the difference that operating distance value Yu initial distance value can be calculated, using the difference as any moment Loudspeaker amplitude.
In the embodiment of the present invention, above-mentioned mobile terminal can be mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant (personal digital Assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID), wearable device Any mobile terminal in (Wearable Device) etc..
The amplitude detection method of the embodiment of the present invention obtains loudspeaking when the amplitude detecting device is in original state Initial distance value between device and inductor;When the amplitude detecting device is in running order, obtain the loudspeaker with Operating distance value between the inductor;The loudspeaker is calculated based on the initial distance value and the operating distance value Amplitude.When carrying out amplitude detection, since the detection method does not need to increase other substances, Bu Huiying on the diaphragm of loudspeaker Ring the performance of loudspeaker, therefore, the better performances of loudspeaker.
Referring to Fig. 5, Fig. 5 is the flow chart of amplitude detection method provided in an embodiment of the present invention.The present embodiment and above-mentioned reality The difference for applying example is the resonance frequency of initial value and working value, the capacitance of capacitor and resonance circuit based on inductor Calculate the operating distance value between loudspeaker and inductor.Amplitude detection method the following steps are included:
Step 501, when the amplitude detecting device is in original state, obtain the initial value and capacitor of the inductor The capacitance of device, the original state are the state when amplitude detecting device is static;
Wherein, above-mentioned original state can be understood as state when amplitude detecting device does not work, at this point, loudspeaker is not sent out Sound, loudspeaker and inductor remain static.The initial value of inductor can be electricity of the inductor under above-mentioned original state Inductance value, i.e. the inductance value of inductor have not been changed before value.
Initial distance value between step 502, acquisition loudspeaker and inductor.
In this step, using the current distance value between the inductor and the loudspeaker as the initial distance Value, when the current distance value is that the variable quantity of the inductance value of the inductor reaches preset value, the loudspeaker and the electricity The distance between sensor.
Wherein, the initial distance value between loudspeaker and inductor can be understood as amplitude detecting device and be in above-mentioned initial Under state, distance value between loudspeaker and inductor, the distance value can be loudspeaker with permeance plane diaphragm with The distance between inductor.
Specifically, the inductance value of inductor can be changed, and variable quantity reaches the inductance detected when preset value The distance between device and loudspeaker are used as initial distance.Due in the production process, between actual loudspeaker and inductor Distance at a distance from design may there is a certain error, and the vibration of loudspeaker may result in distance during the work time There is a certain error.In this way, obtaining distance when default variation occurs for inductance value, it is possible to reduce the error of the distance.
It should be noted that the step can be performed simultaneously with step 501, it can also be before or after step 501 It executes.
Step 503, when the amplitude detecting device is in running order, obtain the amplitude detecting device resonance electricity The resonance frequency on road;The work of the inductor is obtained according to the capacitance of the resonance frequency of the resonance circuit and the capacitor Work value, and the loudspeaker according to the calculation of initial value of the working value of the inductor and the inductor and the inductor it Between operating distance value, wherein the working condition be the amplitude detecting device work when state.
Wherein, above-mentioned working condition can be understood as amplitude detecting device and work, state when loudspeaker vibration.It raises The vibration of sound device changes the distance between loudspeaker and inductor, and the change of the distance can cause inductance value to change, from And the resonance frequency of resonance circuit is caused to change.The loudspeaker and inductor of any moment under available above-mentioned working condition Distance value, resonance circuit resonance frequency, the inductance value of inductor.
Specifically, it can carry out calculating the operating distance value of loudspeaker and inductor in the following way.
Relationship between the resonance frequency of resonance circuit, the inductance value of inductor and the capacitance of capacitor can be expressed asWherein f is resonance frequency, and L is the inductance value of inductor, and C is the capacitance of capacitor, according to resonance frequency The inductance working value of rate and the available inductor of capacitance.
The inductance value L of inductor can be expressed as with the variation relation of the distance between inductor and loudspeaker 1 D with formula L=L0+K/D2, wherein L is the inductance value of inductor in the operating condition, L0Inductor when original state is in for inductor Initial value, K is constant, operating distance value of the D between loudspeaker 1 and inductor.It can be according to the work of the inductor of acquisition The operating distance between inductor and loudspeaker is calculated according to above-mentioned formula for the initial value of work value and inductor.
In addition, the humorous of the distance between inductor and loudspeaker D and resonance circuit can also be obtained by above-mentioned two formula The initial value L of vibration frequency f, the capacitance C of capacitor and inductor0Between relationship:
In this way, according to the resonance frequency f of acquisition, capacitance C and inductance initial value L0, and can be shaken according to the formula Width detection device at work, the operating distance D between inductor and loudspeaker.
Optionally, in the resonance frequency of the resonance circuit for obtaining the amplitude detecting device and the inductor After the step of working value, in the amplitude for calculating the loudspeaker based on the initial distance value and the operating distance value The step of before, the method also includes:
Judge whether the resonance frequency is less than predeterminated frequency value;If the resonance frequency is less than the predeterminated frequency value, The amplitude of the loudspeaker is then calculated based on the initial distance value and the operating distance value.
In this embodiment, the threshold value of resonance frequency can be preset.When mobile terminal detects the humorous of resonance circuit When vibration frequency, it can be determined that whether the resonance frequency is less than predeterminated frequency value.If being less than predeterminated frequency value, it may result in and raise The amplitude of sound device is larger, then needs to detect the amplitude of loudspeaker.If resonance frequency is greater than predeterminated frequency, the amplitude of loudspeaker compared with It is small, the amplitude of loudspeaker can not be detected.
In this way, detecting the amplitude of loudspeaker when resonance frequency is less than predeterminated frequency value, it is possible to reduce time of amplitude detection Number, can save electric energy, the detection efficiency of amplitude can be improved.
Step 504, the amplitude that the loudspeaker is calculated based on the initial distance value and the operating distance value.
In this step, the difference that operating distance value Yu initial distance value can be calculated, using the difference as any moment Loudspeaker amplitude.
Optionally, in the amplitude for calculating the loudspeaker based on the initial distance value and the operating distance value After step, the method also includes:
Judge whether the amplitude is greater than default amplitude;If the amplitude is greater than the default amplitude, will cause The signal strength weakening of the signal source of the loudspeaker vibration.
In this embodiment, the performance of loudspeaker can be had an impact since loudspeaker long-time amplitude is bigger, it is mobile Terminal can preset amplitude threshold.When detecting the amplitude of loudspeaker, it is preset to judge whether the amplitude is greater than Amplitude.If the amplitude of loudspeaker is greater than preset threshold, the signal of signal source is weakened, to reduce the amplitude of loudspeaker.Tool Body, after the data processing module of amplitude detecting device detects the amplitude of loudspeaker, the amplitude can be sent to power amplification system, If power amplification system judges that the amplitude is greater than default amplitude, the signal of signal source is weakened.In this way, the property of loudspeaker can be improved Can, so as to extend the service life of loudspeaker.
The embodiment of the present invention, initial value and working value of the mobile terminal based on inductor, the capacitance of capacitor and humorous The resonance frequency of vibration circuit calculates the operating distance value between loudspeaker and inductor, and based on operating distance and initial distance Calculate the amplitude of loudspeaker.In this way, the detection mode does not need to increase other substances on a speaker, the better performances of loudspeaker.
Referring to Fig. 6, a kind of hardware structural diagram of Fig. 6 mobile terminal of each embodiment to realize the present invention is mobile Terminal include but is not limited to be such as mobile phone, tablet computer, laptop, palm PC, navigation device, wearable device, The mobile terminals such as Intelligent bracelet, pedometer.The mobile terminal 600 includes but is not limited to: radio frequency unit 601, network module 602, Audio output unit 603, input unit 604, sensor 605, display unit 606, user input unit 607, interface unit 608, the components such as memory 609, processor 610 and power supply 611.It will be understood by those skilled in the art that shown in Fig. 6 Mobile terminal structure does not constitute the restriction to mobile terminal, and mobile terminal may include components more more or fewer than diagram, Perhaps certain components or different component layouts are combined.
It is specifically introduced below with reference to all parts of the Fig. 6 to mobile terminal:
Radio frequency unit 601 can be used for receiving and sending messages or communication process in, signal sends and receivees, specifically, by base station Downlink information receive after, to processor 610 handle;In addition, the data of uplink are sent to base station.In general, radio frequency unit 601 Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrating Frequency unit 601 can also be communicated with network and other equipment by wireless communication.Any communication can be used in above-mentioned wireless communication Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division Multiple Access, wideband code division multiple access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, frequency division duplex long term evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution, time division duplex long term evolution), Wi-Fi module, NFC module and bluetooth module Deng.
Mobile terminal can help user to send and receive e-mail, browse webpage and access streaming matchmaker by network module 602 Body etc., it provides wireless broadband internet access for user, network module 602 include but is not limited to be RJ45 port module Deng.
Audio output unit 603 can be in call signal reception pattern, call mode, record mould in mobile terminal 600 When under the isotypes such as formula, speech recognition mode, broadcast reception mode, by radio frequency unit 601 or network module 602 it is received or The audio data stored in memory 609 is converted into audio signal and exports to be sound.Moreover, audio output unit 603 Audio output relevant to the specific function that mobile terminal 600 executes can also be provided (for example, call signal receives sound, disappears Breath receives sound etc.).Audio output unit 603 includes loudspeaker, buzzer and receiver etc..
Input unit 604 can be audio or video input unit, for receiving audio or video signal.Input unit 604 may include graphics processor (Graphics Processing Unit, GPU) 6041 and microphone 6042, graphics process Device 6041 is to the static images obtained in video acquisition mode or image capture mode by image capture apparatus (such as camera) Or the image data of video is handled.Treated, and picture frame may be displayed on display unit 606.Through graphics processor 6041 treated picture frame can store in memory 609 (or other storage mediums) or via radio frequency unit 601 or Network module 602 is sent.Microphone 6042 can be transported in telephone calling model, logging mode, speech recognition mode etc. Sound (audio data) is received via microphone 6042 in row mode, and can be audio data by such acoustic processing. Audio that treated (voice) data can be converted in the case where telephone calling model and can be sent to via radio frequency unit 601 The format of mobile communication base station exports.
Mobile terminal 600 further includes at least one sensor 605, such as optical sensor, motion sensor and other biographies Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment The light and shade of light adjusts the brightness of display panel 6061, and proximity sensor can close when mobile terminal 600 is moved in one's ear Display panel 6061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify answering for mobile terminal posture With (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) Deng;The fingerprint sensor that can also configure as mobile terminal, pressure sensor, iris sensor, molecule sensor, gyroscope, The other sensors such as barometer, hygrometer, thermometer, infrared sensor, details are not described herein.
Display unit 606 is for showing information input by user or being supplied to the information of user.Display unit 606 can wrap Display panel 6061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 6061.
User input unit 607 can be used for receiving the number or character information of input, and generate the use with mobile terminal Family setting and the related key signals input of function control.Specifically, user input unit 607 may include touch panel 6071 with And other input equipments 6072.Touch panel 6071, also referred to as touch screen collect the touch operation of user on it or nearby (for example user uses any suitable objects or attachment such as finger, stylus on touch panel 6071 or in touch panel 6071 Neighbouring operation), and corresponding attachment device is driven according to preset formula.Touch panel 6071 may include touch detection Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band The signal come, transmits a signal to touch controller;Touch controller receives touch information from touch detecting apparatus, and by it It is converted into contact coordinate, then gives processor 610, and order that processor 610 is sent can be received and executed.In addition, can To realize touch panel 6071 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel 6071, user input unit 607 can also include other input equipments 6072.Specifically, other input equipments 6072 can wrap It includes but is not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc. It is one or more, specifically herein without limitation.
Further, touch panel 6071 can cover display panel 6061, when touch panel 6071 detect on it or After neighbouring touch operation, processor 610 is sent to determine the type of touch event, is followed by subsequent processing device 610 according to touch thing The type of part provides corresponding visual output on display panel 6061.Although in Fig. 6, touch panel 6071 and display panel 6061 be the function that outputs and inputs of realizing mobile terminal as two independent components, but in certain embodiments, it can The function that outputs and inputs of mobile terminal is realized so that touch panel 6071 and display panel 6061 is integrated, is not done herein specifically It limits.
Interface unit 608 be used as at least one external device (ED) connect with mobile terminal 600 can by interface.For example, External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing Line data port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end Mouth, video i/o port, ear port etc..Interface unit 608 can be used for receiving the input from external device (ED) (for example, number It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 600 or can be with For transmitting data between mobile terminal 600 and external device (ED).
Memory 609 can be used for storing software program and various data.Memory 609 can mainly include storing program area The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function Sound playing function, image player function etc.) etc.;Storage data area can store according to mobile phone use created data (such as Audio data, phone directory etc.) etc..In addition, memory 609 may include high-speed random access memory, it can also include non-easy The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 610 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection A part by running or execute the software program and/or module that are stored in memory 609, and calls and is stored in storage Data in device 609 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place Managing device 610 may include one or more processing units;Preferably, processor 610 can integrate application processor and modulatedemodulate is mediated Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 610.
Mobile terminal 600 can also include the power supply 611 (such as battery) powered to all parts, it is preferred that power supply 611 Can be logically contiguous by power-supply management system and processor 610, to realize management charging by power-supply management system, put The functions such as electricity and power managed.
Mobile terminal 600 further includes amplitude detecting device described in the various embodiments described above.
In addition, mobile terminal 600 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 610, and memory 609 is stored in On memory 609 and the computer program that can run on the processor 610, the computer program are executed by processor 610 Each process of the above-mentioned amplitude detection embodiment of the method for Shi Shixian, and identical technical effect can be reached, to avoid repeating, here It repeats no more.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium Calculation machine program, the computer program realize each process of above-mentioned amplitude detection embodiment of the method, and energy when being executed by processor Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art The part contributed out can be embodied in the form of software products, which is stored in a storage medium In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much Form, all of these belong to the protection of the present invention.

Claims (11)

1.一种振幅检测装置,其特征在于,包括:1. an amplitude detection device, is characterized in that, comprises: 扬声器、音腔、谐振电路和数据处理模块;Loudspeakers, sound chambers, resonant circuits and data processing modules; 其中,所述扬声器与所述音腔的音腔板相对设置,所述谐振电路包括并联连接的电感器和电容器,所述电感器设于所述音腔板上,所述谐振电路与所述数据处理模块电连接;所述扬声器的振膜具有导磁特性;Wherein, the speaker is arranged opposite to the sound cavity plate of the sound cavity, the resonant circuit includes an inductor and a capacitor connected in parallel, the inductor is arranged on the sound cavity plate, and the resonant circuit is connected to the sound cavity plate. The data processing module is electrically connected; the diaphragm of the speaker has magnetic conductivity; 所述数据处理模块通过获取所述扬声器与所述电感器之间的距离,并基于所述扬声器与所述电感器之间的距离变化,确定所述扬声器的振幅;The data processing module determines the amplitude of the speaker by acquiring the distance between the speaker and the inductor, and based on the change in the distance between the speaker and the inductor; 其中,所述扬声器与所述电感器之间的距离为,所述扬声器具有导磁特性的平面振膜与所述电感器之间的距离。Wherein, the distance between the loudspeaker and the inductor is the distance between the planar diaphragm of the loudspeaker having magnetic conductivity and the inductor. 2.根据权利要求1所述的装置,其特征在于,所述装置还包括功放系统,所述数据处理模块与所述功放系统电连接,所述功放系统与所述扬声器电连接;2 . The device according to claim 1 , wherein the device further comprises a power amplifier system, the data processing module is electrically connected to the power amplifier system, and the power amplifier system is electrically connected to the speaker; 2 . 所述数据处理模块向所述功放系统发送检测到的振幅,所述功放系统根据所述振幅调整信号源的信号强度。The data processing module sends the detected amplitude to the power amplifier system, and the power amplifier system adjusts the signal strength of the signal source according to the amplitude. 3.根据权利要求1或2所述的装置,其特征在于,所述振膜的预设区域具有导磁特性,所述预设区域为平面;3. The device according to claim 1 or 2, wherein a preset area of the diaphragm has magnetic permeability, and the preset area is a plane; 所述电感器设于所述音腔板的与所述平面正对的位置。The inductor is arranged at a position of the sound cavity board that is directly opposite to the plane. 4.一种移动终端,其特征在于,包括如权利要求1至3中任一项所述的振幅检测装置。4. A mobile terminal, comprising the amplitude detection device according to any one of claims 1 to 3. 5.一种振幅检测方法,应用于移动终端,其特征在于,所述移动终端包括振幅检测装置,所述振幅检测方法包括:5. An amplitude detection method, applied to a mobile terminal, wherein the mobile terminal comprises an amplitude detection device, and the amplitude detection method comprises: 在所述振幅检测装置处于初始状态时,获取扬声器与电感器之间的初始距离值,所述初始状态为所述振幅检测装置静止时的状态;When the amplitude detection device is in an initial state, an initial distance value between the speaker and the inductor is obtained, and the initial state is a state when the amplitude detection device is stationary; 在所述振幅检测装置处于工作状态时,获取所述扬声器与所述电感器之间的工作距离值,所述工作状态为所述振幅检测装置工作时的状态;When the amplitude detection device is in a working state, obtain a working distance value between the speaker and the inductor, and the working state is the state when the amplitude detection device is working; 基于所述初始距离值和所述工作距离值计算所述扬声器的振幅;calculating an amplitude of the loudspeaker based on the initial distance value and the working distance value; 其中,所述扬声器与所述电感器之间的距离为,所述扬声器具有导磁特性的平面振膜与所述电感器之间的距离。Wherein, the distance between the loudspeaker and the inductor is the distance between the planar diaphragm of the loudspeaker having magnetic conductivity and the inductor. 6.根据权利要求5所述的方法,其特征在于,在所述获取扬声器与电感器之间的初始距离值的步骤之前,所述方法还包括:6. The method according to claim 5, wherein before the step of obtaining the initial distance value between the speaker and the inductor, the method further comprises: 在所述振幅检测装置处于所述初始状态时,获取所述电感器的初始值和电容器的电容值;When the amplitude detection device is in the initial state, obtain the initial value of the inductor and the capacitance value of the capacitor; 所述获取所述扬声器与所述电感器之间的工作距离值的步骤,包括:The step of obtaining the working distance value between the speaker and the inductor includes: 获取所述振幅检测装置的谐振电路的谐振频率;obtaining the resonance frequency of the resonance circuit of the amplitude detection device; 根据所述谐振电路的谐振频率和所述电容器的电容值获得所述电感器的工作值,并根据所述电感器的工作值和所述电感器的初始值计算所述扬声器与所述电感器之间的工作距离值。The working value of the inductor is obtained according to the resonant frequency of the resonance circuit and the capacitance value of the capacitor, and the speaker and the inductor are calculated according to the working value of the inductor and the initial value of the inductor The working distance value between. 7.根据权利要求6所述的方法,其特征在于,在所述基于所述初始距离值和所述工作距离值计算所述扬声器的振幅的步骤之后,所述方法还包括:7. The method according to claim 6, wherein after the step of calculating the amplitude of the loudspeaker based on the initial distance value and the working distance value, the method further comprises: 判断所述振幅是否大于预设振幅值;judging whether the amplitude is greater than a preset amplitude value; 若所述振幅大于所述预设振幅值,则将引起所述扬声器振动的信号源的信号强度减弱。If the amplitude is greater than the preset amplitude value, the signal strength of the signal source causing the speaker to vibrate is weakened. 8.根据权利要求6所述的方法,其特征在于,在所述获取所述振幅检测装置的谐振电路的谐振频率的步骤之后,在所述基于所述初始距离值和所述工作距离值计算所述扬声器的振幅的步骤之前,所述方法还包括:8. The method according to claim 6, characterized in that, after the step of acquiring the resonance frequency of the resonance circuit of the amplitude detection device, in the calculation based on the initial distance value and the working distance value Before the step of loudspeaker amplitude, the method further includes: 判断所述谐振频率是否小于预设频率值;judging whether the resonant frequency is less than a preset frequency value; 若所述谐振频率小于所述预设频率值,则基于所述初始距离值和所述工作距离值计算所述扬声器的振幅。If the resonance frequency is less than the preset frequency value, the amplitude of the speaker is calculated based on the initial distance value and the working distance value. 9.根据权利要求5至8任一项所述的方法,其特征在于,将所述电感器与所述扬声器之间的当前距离值作为所述初始距离值,所述当前距离值为所述电感器的电感值的变化量达到预设值时,所述扬声器和所述电感器之间的距离。9 . The method according to claim 5 , wherein a current distance value between the inductor and the speaker is used as the initial distance value, and the current distance value is the The distance between the speaker and the inductor when the variation of the inductance value of the inductor reaches a preset value. 10.一种移动终端,其特征在于,包括:存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行所述计算机程序时实现如权利要求5至9任一项所述的振幅检测方法中的步骤。10. A mobile terminal, characterized in that it comprises: a memory, a processor and a computer program stored in the memory and running on the processor, the processor implementing the computer program as claimed in claims 5 to 9 when the processor executes the computer program Any one of the steps in the amplitude detection method. 11.一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求5至9中任一项所述的振幅检测方法中的步骤。11. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program according to any one of claims 5 to 9 is implemented. Steps in Amplitude Detection Method.
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