CN106878908A - Control method, control device and electronic installation - Google Patents
Control method, control device and electronic installation Download PDFInfo
- Publication number
- CN106878908A CN106878908A CN201710123521.XA CN201710123521A CN106878908A CN 106878908 A CN106878908 A CN 106878908A CN 201710123521 A CN201710123521 A CN 201710123521A CN 106878908 A CN106878908 A CN 106878908A
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- electroacoustic component
- impedance value
- electroacoustic
- component
- electronic installation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
Abstract
The invention discloses a kind of control method, for electronic installation.Electronic installation includes the first electroacoustic component and the second electroacoustic component.Control method includes：The first electroacoustic component is controlled to work；Detect the first electroacoustic component real-time impedance value in the course of the work；What normal impedance value according to real-time impedance value and the first electroacoustic component detected the first electroacoustic component goes out whether acoustic aperture blocks；The first electroacoustic component speak hole plug when switch to the second electroacoustic component work.The invention also discloses a kind of control device and electronic installation.The control method of embodiment of the present invention, control device and electronic installation timely the switching to when the first electroacoustic component plug-hole of electronic installation is detected carry out sounding using the second electroacoustic component, because the first electroacoustic component plug-hole causes volume to reduce situation about cannot not hear when avoiding user from using, the experience of user is lifted.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of control method, control device and electronic installation.
Background technology
The aperture of the electroacoustic component in mobile phone, such as loudspeaker is about 1mm or so, user using loudspeaker play music,
When video, game, it is often necessary to the hands horizontal adept machine, the acoustic aperture that of loudspeaker may be caused to be blocked by finger.In addition, mobile phone
After use time is more long, the acoustic aperture that goes out of mobile phone speaker is likely to be blocked by dust.Mobile phone speaker is blocked up by dust or finger
After firmly, situations such as the sound of loudspeaker can be caused to diminish and noise occur, Consumer's Experience is had a strong impact on.
The content of the invention
Therefore, The embodiment provides a kind of control method, control device and electronic installation.
The control method of embodiment of the present invention, for electronic installation.The electronic installation include the first electroacoustic component and
Second electroacoustic component, the control method is comprised the following steps：
First electroacoustic component is controlled to work；
Detect first electroacoustic component real-time impedance value in the course of the work；
Normal impedance value according to the real-time impedance value and first electroacoustic component detects first electroacoustic component
Go out whether acoustic aperture blocks；With
First electroacoustic component speak hole plug when switch to second electroacoustic component to work.
The control device of embodiment of the present invention, for electronic installation.The electronic installation include the first electroacoustic component and
Second electroacoustic component, the control device includes control module, first detection module, the second detection module and handover module.Institute
Control module is stated for controlling first electroacoustic component to work；The first detection module is used to detect the first electroacoustic unit
Part real-time impedance value in the course of the work；Second detection module is used for according to the real-time impedance value and first electricity
What the normal impedance value of sound component detected first electroacoustic component goes out whether acoustic aperture blocks；The handover module is used for described
First electroacoustic component speak hole plug when switch to second electroacoustic component to work.
The electronic installation of embodiment of the present invention includes the first electroacoustic component, the second electroacoustic component, drive circuit and above-mentioned
Control device.The control device is electric with first electroacoustic component, second electroacoustic component and the drive circuit
Connection.
The control method of embodiment of the present invention, control device and electronic installation are detecting the first electroacoustic of electronic installation
Switched in time during element plug-hole carries out sounding using the second electroacoustic component, it is to avoid because the first electroacoustic component is stifled when user uses
Hole causes volume to reduce situation about cannot not hear, and lifts the experience of user.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
The above-mentioned and/or additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic flow sheet of the control method of some implementation methods of the invention；
Fig. 2 is the high-level schematic functional block diagram of the electronic installation of some implementation methods of the invention；
Fig. 3 is the position view of the second electroacoustic component of the electronic installation of embodiment of the present invention；
Fig. 4 is the structural representation of the dynamic speaker according to prior art；
Fig. 5 is the schematic flow sheet of the control method of some implementation methods of the invention；
Fig. 6 is the operation principle schematic diagram of the dynamic speaker according to prior art；
Fig. 7 is the schematic flow sheet of the control method of some implementation methods of the invention；
Fig. 8 is the high-level schematic functional block diagram of the second detection device of some implementation methods of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Also referring to Fig. 1 to 3, the control method of embodiment of the present invention, for electronic installation 100.Electronic installation 100
Including the first electroacoustic component 20 and the second electroacoustic component 30.Control method is comprised the following steps：
S11：The first electroacoustic component 20 is controlled to work；
S13：Detect the first electroacoustic component 20 real-time impedance value in the course of the work；
S15：Normal impedance value according to the real-time impedance value and the first electroacoustic component 20 detects the first electroacoustic component 20
Go out whether acoustic aperture blocks；With
S17：The first electroacoustic component 20 speak hole plug when switch to the second electroacoustic component 30 to work.
The control method of embodiment of the present invention can be realized by the control device 10 of embodiment of the present invention.It is of the invention real
The control device 10 for applying mode includes control module 11, first detection module 13, the second detection module 15 and handover module 17.Step
Rapid S11 can be realized that step S13 can be realized by first detection module 13 by control module 11, and step S15 can be by the second inspection
Survey module 15 and realize that step S17 can be realized by handover module 17.
In other words, control module 11 is used to control the first electroacoustic component 20 to work；First detection module 13 is used to detect
First electroacoustic component 20 real-time impedance value in the course of the work；Second detection module 15 be used for according to the real-time impedance value and
What the normal impedance value of the first electroacoustic component 20 detected the first electroacoustic component 20 goes out whether acoustic aperture blocks；Handover module 17 is used for
First electroacoustic component 20 speak hole plug when switch to the second electroacoustic component 30 to work.
The control device 10 of embodiment of the present invention can be applied to the electronic installation 100 of embodiment of the present invention.That is to say
Say, the electronic installation 100 of embodiment of the present invention includes the control device 10 of embodiment of the present invention.Embodiment of the present invention
Electronic installation 100 also includes the first electroacoustic component 20, the second electroacoustic component 30 and drive circuit 40.Drive circuit 40 is used to drive
The sounding of first electroacoustic component 20.Wherein, the electroacoustic component 20 of control device 10 and first, the second electroacoustic component 30 and drive circuit 40
Electrically connect.
In some embodiments, electronic installation 100 includes mobile phone, sound equipment, panel computer, personal digital assistant, wearing
The hardware device with loudspeaker such as formula equipment, the Wearable can be Intelligent bracelet, intelligent watch, intelligent glasses etc.,
Any limitation is not done herein.In a particular embodiment of the present invention, electronic installation 100 is mobile phone.
In some embodiments, the first electroacoustic component 20 includes loudspeaker, receiver or ring, the second electroacoustic component 20
Including loudspeaker, receiver or ring.In a particular embodiment of the present invention, the first electroacoustic component 20 is the loudspeaker in mobile phone
Or the one kind in receiver, the second electroacoustic component 30 is the loudspeaker in mobile phone or the one kind in receiver.
It should be appreciated that electroacoustic component has polytype, but basic functional principle is similar, is a kind of by electricity
Signal is converted to the element that voice signal is reset.Know according to impedance value in embodiment of the present invention for convenience of description
One electroacoustic component 20 goes out the principle whether acoustic aperture blocks, and is carried out by taking current most popular dynamic speaker as an example below
Explanation.
Fig. 4 is referred to, dynamic speaker is made up of vibrating membrane, voice coil loudspeaker voice coil, permanent magnet, support etc., when the sound of loudspeaker
After circle is passed through tone currents, alternating magnetic field, permanent magnet is produced also to produce a size and Orientation simultaneously in the presence of electric current
Constant constant magnetic field, because the size and Orientation in the magnetic field produced by voice coil loudspeaker voice coil is constantly changing with the change of tone currents
Become, the interaction in two such magnetic field makes voice coil loudspeaker voice coil make the motion of the sense of current in voice coil loudspeaker voice coil, due to voice coil loudspeaker voice coil and vibrating membrane
It is connected, so as to drive vibrating membrane to produce vibration, the vibrations of air is caused by vibrating membrane and sound is sent.
Thus, the factor such as quality and air of offer sound of loudspeaker is related, wherein, it is opened in the top of vibrating membrane
Go out acoustic aperture be blocked when, due to have compressed air vibration space and increase vibrating membrane upwards vibration resistance, be equivalent to
Reduce impedance value of the loudspeaker when voice service is provided.
In this way, being that can determine whether according to the first electroacoustic component 20 real-time impedance value in the course of the work and normal impedance value
One electroacoustic component 20 goes out whether acoustic aperture is blocked.When the first electroacoustic component 20 works, such as user uses the first electroacoustic unit
Part 20 plays music, video or game sound etc., and 13 and second detection module of first detection module 15 can the electricity of real-time detection first
Sound component 20 goes out whether acoustic aperture is blocked, and is detecting going out to be switched to immediately when acoustic aperture is blocked and making for first electroacoustic component 20
The broadcasting of music, video or game sound is carried out with the second electroacoustic component 30.In this way, will not be because of plug-hole when user is using mobile phone
There is the situation that the sound of music, video or game be can not hear clearly in problem, and lifts the experience of user.
In some embodiments, normal impedance value is that the acoustic aperture that of the first electroacoustic component 20 is detected when unplugged
The impedance value of drive circuit 40.
It is appreciated that the first electroacoustic component 20 can normal sounding, the now circuit of corresponding driving in non-plug-hole
Impedance value is that the impedance value under normal condition is normal impedance value.First electroacoustic is judged according to normal impedance value and real-time impedance value
Element 20 goes out whether acoustic aperture blocks.
It should be noted that normal impedance value can also be obtained according to substantial amounts of experimental data, then in electronics
Just be stored therein for the normal impedance value of the acquisition when dispatching from the factory by device 100.In other words, obtain in advance and store inhomogeneity
After the corresponding normal impedance value of first electroacoustic component 20 of type, the first electroacoustic component that can be in Current electronic device 100
The 20 corresponding normal impedance value of type queries.
In some embodiments, normal impedance value can be a numerical value.In further embodiments, normal impedance value
It can also be a number range.Even it is appreciated that same type of first electroacoustic component 20, the measurement of normal impedance value
It is likely to cause the normal impedance value for measuring different because of some nuances of element internal or the difference of measuring environment.And
And electronic installation 100 is using certain element loss is had after certain hour, even if then going out acoustic aperture in the first electroacoustic component 20
When unplugged, the impedance value of the drive circuit 40 for measuring also deviation.Therefore, it is the degree of accuracy that lifting differentiates, can be by standard
Impedance value is set to a number range.
Fig. 5 is referred to, in some embodiments, step S13 detects the first electroacoustic component 20 reality in the course of the work
When impedance value include following sub-step：
S131：Output voltage and the first electroacoustic component of output electric current measure 20 according to drive circuit 40 are in the course of the work
Real-time impedance value.
In some embodiments, step S131 can be realized by first detection module 13.
In other words, first detection module 13 is specifically for the output voltage and output electric current measure according to drive circuit 40
First electroacoustic component 20 real-time impedance value in the course of the work.
It should be noted that under different application scenarios, the mode for obtaining real-time impedance value is different.For more clearly
Impedance value when illustrating how to detect that the first electroacoustic component 20 works, still illustrates by taking dynamic speaker as an example below.
Also referring to Fig. 4 and Fig. 6, in the operation principle of dynamic speaker, permanent magnet, upper conduction magnetic board, lower magnetic conduction
Plate constitutes a magnetic loop, and a uniform magnetic air gap for very little is formed between upper conduction magnetic board and lower magnetic conductive board pole piece, works as sound
When having electric current to pass through in circle, voice coil loudspeaker voice coil can move up and down and send sound so as to promote vibrating membrane to cause air vibration.
Wherein, the voice coil loudspeaker voice coil of loudspeaker is a coil by enamel-covered wire coiling, and it not only possesses certain direct current
Resistance, the inductance also with, voice coil loudspeaker voice coil itself is moved in magnetic air gap, the cutting magnetic induction line of force, and like being generator, it can be induced
One induced voltage reverse with the audio signal that user plays, can weaken the voice-frequency signalling current in voice coil loudspeaker voice coil, so that voice coil loudspeaker voice coil
In impedance increase.
However, when going out acoustic aperture and being blocked, vibration vibration of membrane is affected, and causes the motion of the voice coil loudspeaker voice coil cutting magnetic induction line of force
It is hindered.Now, the weakening to voice coil loudspeaker voice coil sound intermediate frequency signal code reduces.The output voltage and output current of drive circuit 40 are all
Generation correspondence changes.Thus, the output voltage and output current of drive circuit 40 can reflect loudspeaker reality in the course of the work
When impedance value.
Therefore, in a particular embodiment of the present invention, can be according to the output voltage of drive circuit 40 and output electric current measure
Real-time impedance value in the course of work of first electroacoustic component 20.
In further embodiments, the real-time impedance value of the first electroacoustic component 20 can influence the first electroacoustic component 20 in work
During sound quality, the real-time impedance value of different the first electroacoustic component 20 plays the sound of sound to the first electroacoustic component 20
The influence of the generations such as color, volume is different.Thus, the sound of the broadcasting of the first electroacoustic component 20 can be gathered, divided according to the sound
Analyse to obtain real-time impedance value of first electroacoustic component 20 during sound is played.
Fig. 7 is referred to, in some embodiments, step S15 is according to the real-time impedance value and the first electroacoustic component 20
Normal impedance value detect that first electroacoustic component 20 goes out whether acoustic aperture is blocked including following sub-step：
S151：Calculate the difference that normal impedance value subtracts real-time impedance value；
S152：The ratio of calculating difference and normal impedance value, and compare the size of ratio and predetermined threshold value；
S153：If ratio is more than predetermined threshold value, it is determined that the hole plug of speaking of the first electroacoustic component 20；With
S154：If ratio is less than predetermined threshold value, it is determined that the acoustic aperture that goes out of the first electroacoustic component 20 is not blocked.
Fig. 8 is referred to, in some embodiments, first detection module 15 includes that the first computing unit 151, second is calculated
Unit 152 and determining unit 153.Step S151 can be realized that step S152 can be calculated by second by the first computing unit 151
Unit 152 realizes that step S153 and step S154 can be realized by determining unit 153.
In other words, the first computing unit 151 is used to calculate the difference that normal impedance value subtracts real-time impedance value；Second meter
Calculating unit 152 is used for the ratio of calculating difference and normal impedance value, and compares the size of ratio and predetermined threshold value；Determining unit
153 are used to, when ratio is more than predetermined threshold value, determine the hole plug of speaking of the first electroacoustic component 20；Determining unit 153 is additionally operable to
When ratio is less than predetermined threshold value, determine that the acoustic aperture that of the first electroacoustic component 20 is not blocked.
In this way, going out what whether acoustic aperture blocked according to carry out the first electroacoustic component 20 by the comparing of ratio and predetermined threshold value
Judge.Wherein, demarcated according to lot of experimental data during predetermined threshold value, can be used to accurately define speaking for the first electroacoustic component 20
Whether hole blocks.
In sum, the control method of embodiment of the present invention is when user carries out sounding using the first electroacoustic component 20,
That detects the first electroacoustic component 20 all the time goes out whether acoustic aperture blocks, and is switched to immediately when hole plug is spoken and uses the second electroacoustic unit
Part 30 carries out sounding.So, it is ensured that user can be normally carried out listening to for music, video or game music etc., lifting user makes
With experience.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
Any process described otherwise above or method description in flow chart or herein is construed as, and expression includes
It is one or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussion suitable
Sequence, including function involved by basis by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (11)
1. a kind of control method, for electronic installation, it is characterised in that the electronic installation includes the first electroacoustic component and second
Electroacoustic component, the control method is comprised the following steps：
First electroacoustic component is controlled to work；
Detect first electroacoustic component real-time impedance value in the course of the work；
Normal impedance value according to the real-time impedance value and first electroacoustic component detects going out for first electroacoustic component
Whether acoustic aperture blocks；With
First electroacoustic component speak hole plug when switch to second electroacoustic component to work.
2. control method as claimed in claim 1, it is characterised in that the electronic installation is included for driving first electricity
The step of drive circuit of sound component, detection first electroacoustic component real-time impedance value in the course of the work include with
Lower sub-step：
The first electroacoustic component reality in the course of the work according to the output voltage and output electric current measure of the drive circuit
When impedance value.
3. control method as claimed in claim 1, it is characterised in that described according to the real-time impedance value and first electricity
The normal impedance value of sound component detects that going out for first electroacoustic component includes following sub-step the step of whether acoustic aperture blocks：
Calculate the difference that the normal impedance value subtracts the real-time impedance value；
The ratio of the difference and the normal impedance value is calculated, and compares the size of the ratio and predetermined threshold value；
If the ratio is more than the predetermined threshold value, it is determined that the hole plug of speaking of first electroacoustic component；With
If the ratio is less than the predetermined threshold value, it is determined that the acoustic aperture that goes out of first electroacoustic component is not blocked.
4. control method as claimed in claim 3, it is characterised in that the normal impedance value is first electroacoustic component
Go out the impedance value of the drive circuit that acoustic aperture is detected when unplugged.
5. the control method as described in Claims 1-4 any one, it is characterised in that first electroacoustic component includes raising
Sound device, receiver or ring；Second electroacoustic component includes loudspeaker, receiver or ring.
6. a kind of control device, for electronic installation, it is characterised in that the electronic installation includes the first electroacoustic component and second
Electroacoustic component, the control device includes：
Control module, the control module is used to control first electroacoustic component to work；
First detection module, the first detection module is used to detect first electroacoustic component real-time resistance in the course of the work
Anti- value；
Second detection module, second detection module is used for the mark according to the real-time impedance value and first electroacoustic component
First electroacoustic component described in quasi- resistance value detection goes out whether acoustic aperture blocks；With
Handover module, the handover module be used for first electroacoustic component speak hole plug when switch to it is described second electricity
Sound component works.
7. control device as claimed in claim 6, it is characterised in that the electronic installation is included for driving first electricity
The drive circuit of sound component, the first detection module specifically for：
The first electroacoustic component reality in the course of the work according to the output voltage and output electric current measure of the drive circuit
When impedance value.
8. control device as claimed in claim 6, it is characterised in that second detection module includes；
First computing unit, first computing unit is used to calculate the difference that the normal impedance value subtracts the real-time impedance value
Value；
Second computing unit, second computing unit is used to calculate the difference and the ratio of the normal impedance value, and compares
The size of the ratio and predetermined threshold value；
Determining unit, the determining unit is used to, when the ratio is more than the predetermined threshold value, determine the first electroacoustic unit
The hole plug of speaking of part；With
The determining unit is additionally operable to, when the ratio is less than the predetermined threshold value, determine speaking for first electroacoustic component
Hole does not block.
9. control device as claimed in claim 8, it is characterised in that the normal impedance value is first electroacoustic component
Go out the impedance value of the drive circuit that acoustic aperture is detected when unplugged.
10. the control device as described in claim 6 to 9 any one, it is characterised in that first electroacoustic component includes raising
Sound device, receiver or ring；Second electroacoustic component includes loudspeaker, receiver or ring.
11. a kind of electronic installations, it is characterised in that the electronic installation includes：
First electroacoustic component；
Second electroacoustic component；
Drive circuit；With
Control device as described in claim 6 to 10 any one, it is the control device and first electroacoustic component, described
Second electroacoustic component and the drive circuit are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123521.XA CN106878908A (en) | 2017-03-03 | 2017-03-03 | Control method, control device and electronic installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123521.XA CN106878908A (en) | 2017-03-03 | 2017-03-03 | Control method, control device and electronic installation |
Publications (1)
| Publication Number | Publication Date |
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| CN106878908A true CN106878908A (en) | 2017-06-20 |
Family
ID=59170714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710123521.XA Pending CN106878908A (en) | 2017-03-03 | 2017-03-03 | Control method, control device and electronic installation |
Country Status (1)
| Country | Link |
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| CN (1) | CN106878908A (en) |
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| CN109769191A (en) * | 2017-11-09 | 2019-05-17 | 北京小米移动软件有限公司 | Audio output detection method and device, electronic equipment |
| CN109996161A (en) * | 2019-04-23 | 2019-07-09 | Oppo广东移动通信有限公司 | A kind of mobile terminal and its control method of speaking, the device with store function |
| CN111491053A (en) * | 2019-01-29 | 2020-08-04 | Oppo广东移动通信有限公司 | Electronic device |
| CN111629304A (en) * | 2020-05-15 | 2020-09-04 | 维沃移动通信有限公司 | Loudspeaker control method and device and electronic equipment |
| CN112333619A (en) * | 2020-11-03 | 2021-02-05 | 珠海格力电器股份有限公司 | Method, device and system for detecting receiver performance |
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| CN109769191A (en) * | 2017-11-09 | 2019-05-17 | 北京小米移动软件有限公司 | Audio output detection method and device, electronic equipment |
| CN109769191B (en) * | 2017-11-09 | 2021-03-23 | 北京小米移动软件有限公司 | Audio output detection method and device and electronic equipment |
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| CN112333619A (en) * | 2020-11-03 | 2021-02-05 | 珠海格力电器股份有限公司 | Method, device and system for detecting receiver performance |
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Application publication date: 20170620 |
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