CN108668204A - Multiplex circuit, wearable device and wearable device Working mode switching method - Google Patents
Multiplex circuit, wearable device and wearable device Working mode switching method Download PDFInfo
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- CN108668204A CN108668204A CN201810387042.3A CN201810387042A CN108668204A CN 108668204 A CN108668204 A CN 108668204A CN 201810387042 A CN201810387042 A CN 201810387042A CN 108668204 A CN108668204 A CN 108668204A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims description 22
- 230000005236 sound signal Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 8
- 230000006870 function Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 13
- 230000015654 memory Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
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- 230000008878 coupling Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- ZCJJIQHVZCFSGZ-UHFFFAOYSA-N 2,8-bis(diphenylphosphoryl)dibenzothiophene Chemical compound C=1C=CC=CC=1P(C=1C=C2C3=CC(=CC=C3SC2=CC=1)P(=O)(C=1C=CC=CC=1)C=1C=CC=CC=1)(=O)C1=CC=CC=C1 ZCJJIQHVZCFSGZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013497 data interchange Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H02J7/025—
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
This application discloses a kind of multiplex circuit, wearable device and wearable device Working mode switching method, which is set to wearable device, and multiplex circuit includes：Coil, selection circuit, audio playing circuit, wireless charging circuit and the first controller；Coil connects the selection end of selection circuit, the input terminal of the first fixing end connection wireless charging circuit of selection circuit；The output end of the second fixing end connection audio playing circuit of selection circuit；The control terminal of the output end connection selection circuit of first controller；When the selection end of the first controller control selections circuit is connected to the input terminal of wireless charging circuit, multiplex circuit is operated in wireless charging pattern；When the selection end of the first controller control selections circuit is connected to the output end of audio playing circuit, multiplex circuit is operated in audio-frequency play mode.The space availability ratio of wearable device can be improved using the embodiment of the present application.
Description
Technical field
This application involves a kind of electronic technology field more particularly to multiplex circuit, wearable device and wearable device works
Operation mode switching method.
Background technology
With the maturation of wireless technology, the scene that smart mobile phone connects wearable device by wireless technology is more and more.
For example, user can be realized by wearable device listen to music the functions such as make a phone call.For example, for wireless headset, it is general at present
Charging interface is arranged on wireless headset to charge, not only influences the appearance of wearable device in this way, but also charging interface accounts for
The volume of wearable device may be caused to increase with excessive space.
Invention content
A kind of multiplex circuit of the embodiment of the present application offer, wearable device and wearable device Working mode switching method,
The space availability ratio of wearable device can be improved.
In a first aspect, the embodiment of the present application provides a kind of multiplex circuit, the multiplex circuit is set to wearable device, institute
Stating multiplex circuit includes：Coil, selection circuit, audio playing circuit, wireless charging circuit and the first controller；
The coil connects the selection end of the selection circuit, and the first fixing end connection of the selection circuit is described wireless
The input terminal of charging circuit；Second fixing end of the selection circuit connects the output end of the audio playing circuit；Described
The output end of one controller connects the control terminal of the selection circuit；
Connect with the input terminal of the wireless charging circuit when first controller controls the selection end of the selection circuit
When logical, the multiplex circuit is operated in wireless charging pattern；
Connect with the output end of the audio playing circuit when first controller controls the selection end of the selection circuit
When logical, the multiplex circuit is operated in audio-frequency play mode.
Second aspect, the embodiment of the present application provide a kind of wearable device, and the wearable device includes shell, loud speaker
Any one multiplex circuit of component and the embodiment of the present application first aspect, the loudspeaker assembly include coil, magnet and shake
Film, the coil are connect with the vibrating diaphragm, and when galvanization in the coil, the coil is made in the magnetic field that the magnet generates
It is vibrated with lower, to drive the vibrating diaphragm sounding；The loudspeaker assembly is fixed in the shell.
The third aspect, the embodiment of the present application provide a kind of wearable device Working mode switching method, the method application
In the wearable device described in the embodiment of the present application second aspect, the method includes：
Whether the coil for detecting the wearable device generates induced current；
If so, controlling the wearable device is operated in wireless charging pattern；
If it is not, controlling the wearable device is operated in audio-frequency play mode.
Fourth aspect, the embodiment of the present application provide a kind of wearable device, including processor, memory, communication interface with
And one or more programs, wherein said one or multiple programs are stored in above-mentioned memory, and are configured by above-mentioned
Processor executes, and above procedure includes the instruction for executing the step in the embodiment of the present application third aspect method.
5th aspect, the embodiment of the present application provide a kind of computer readable storage medium, wherein above computer is readable
Computer program of the storage medium storage for electronic data interchange, wherein above computer program makes wearable device hold
Row step some or all of as described in the embodiment of the present application third aspect method.
6th aspect, the embodiment of the present application provide a kind of computer program product, wherein above computer program product
Non-transient computer readable storage medium including storing computer program, above computer program are operable to make to wear
It wears equipment and executes the step some or all of as described in the embodiment of the present application third aspect method.The computer program product
It can be a software installation packet.
In the embodiment of the present application, the circuit that multiplex circuit passes through the selection end connection of the first controller control selections circuit
The operating mode of multiplex circuit is determined, when the input at the selection end and wireless charging circuit of the first controller control selections circuit
When the connection of end, multiplex circuit is operated in wireless charging pattern；When the selection end of the first controller control selections circuit is broadcast with audio
When the output end connection on electric discharge road, multiplex circuit is operated in audio-frequency play mode.When coil can be used as by the embodiment of the present application
Divide the coil of multiplexing, audio playing function and wireless charging function can be realized by a coil, without in wearable device
Interior additional increase is used for the coil of wireless charging, the space of wearable device can be greatly saved, to improve wearable set
Standby space availability ratio.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 a are a kind of network architecture schematic diagrames disclosed in the embodiment of the present application；
Fig. 1 b are a kind of structural schematic diagrams of wearable device disclosed in the embodiment of the present application；
Fig. 2 is a kind of multiplex circuit disclosed in the embodiment of the present application；
Fig. 3 a are the schematic diagrames that a kind of multiplex circuit disclosed in the embodiment of the present application is operated under wireless charging pattern；
Fig. 3 b are the schematic diagrames that a kind of multiplex circuit disclosed in the embodiment of the present application is operated under audio-frequency play mode；
Fig. 4 is another multiplex circuit disclosed in the embodiment of the present application；
Fig. 5 is another multiplex circuit disclosed in the embodiment of the present application；
Fig. 6 a are that another multiplex circuit disclosed in the embodiment of the present application is operated in the schematic diagram under wireless charging pattern；
Fig. 6 b are that another multiplex circuit disclosed in the embodiment of the present application is operated in the schematic diagram under audio-frequency play mode；
Fig. 7 is another multiplex circuit disclosed in the embodiment of the present application；
Fig. 8 is another multiplex circuit disclosed in the embodiment of the present application；
Fig. 9 is another multiplex circuit disclosed in the embodiment of the present application；
Figure 10 is another multiplex circuit disclosed in the embodiment of the present application；
Figure 11 is the structural schematic diagram of another wearable device disclosed in the embodiment of the present application；
Figure 12 is a kind of structural schematic diagram of energy emitting device disclosed in the embodiment of the present application；
Figure 13 is that the application implements raising one's voice in the disclosed a kind of transmitting coil and wearable device of energy emitting device
Energy transmission principle schematic between device coil；
Figure 14 is a kind of flow diagram of wearable device Working mode switching method disclosed in the embodiment of the present application.
Specific implementation mode
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model of the application protection
It encloses.
It is described in detail separately below.
Term " first ", " second ", " third " in the description and claims of this application and the attached drawing and "
Four " etc. be for distinguishing different objects, rather than for describing particular order.In addition, term " comprising " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process of series of steps or unit, method, be
The step of system, product or equipment are not limited to list or unit, but further include the steps that optionally not listing or list
Member, or further include optionally for the intrinsic other steps of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Electronic device may include various handheld devices with wireless communication function, mobile unit, wearable device, meter
It calculates equipment or is connected to other processing equipments of radio modem and various forms of user equipment (User
Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal device) etc..For convenience
Description, apparatus mentioned above are referred to as electronic device.
It describes in detail below to the embodiment of the present application.
A is please referred to Fig.1, Fig. 1 a are a kind of network architecture schematic diagrames disclosed in the embodiment of the present application.The net shown in Fig. 1 a
May include wearable device 10 and electronic device 20, wherein wearable device 10 can pass through wireless network in network framework
(for example, bluetooth, infrared ray or WiFi) is communicated to connect with electronic device 20.It should be noted that the quantity of wearable device 10
Can be one or more, the embodiment of the present application is not construed as limiting.Wearable device 10 can send pairing request to electronic device 20,
Electronic device 20 can receive the pairing request sent by wearable device 10 and be matched.Optionally, as shown in Figure 1a, wearable
Equipment 10 can also establish wireless communication connection with energy emitting device 30, when wearable device 10 and energy emitting device 30 connect
After being connected into work(, energy emitting device 30 can be to wearable device emitted energy, to realize the wireless charging to wearable device.
Wearable device in the embodiment of the present application may include any wearable device that can carry out audio broadcasting, than
Such as, wireless headset.For convenience of description, the wearable device in embodiment below is all illustrated by taking wireless headset as an example.
Wherein, wireless headset can be clip-on type earphone, or PlayGear Stealth, or headphone,
The embodiment of the present application does not limit.
Wireless headset can be accommodated in Earphone box, and Earphone box may include：Two receiving cavities (the first receiving cavity and second
Receiving cavity), the size and shape of two receiving cavities is designed to receive a pair of of wireless headset (the first wireless headset and second wireless
Earphone)；The one or more earphone outer covering magnetic parts being arranged in box, said one or multiple earphone outer covering magnetic parts are used
In by a pair of of wireless headset magnetic attraction and magnetic fixed in two receiving cavities respectively.Earphone box can also include ear cap.
Wherein, the size and shape of the first receiving cavity is designed to receive the first wireless headset, the size and shape design of the second receiving cavity
At receiving the second wireless headset.
The battery for the recyclable charging that wireless headset may include earphone outer covering, be arranged in earphone outer covering is (for example, lithium is electric
Pond), the loud speakers of multiple hard contacts including actuator unit and direct sound port for connecting battery and charging unit
Component, wherein actuator unit includes magnet, voice coil and vibrating diaphragm, and actuator unit is used to make a sound from direct sound port,
The outer surface in earphone outer covering is arranged in above-mentioned multiple hard contacts.
In one possible implementation, wireless headset can also include Petting Area, which can be located in ear
The outer surface of machine shell is provided at least one touch sensor in Petting Area, for detecting touch operation, touch sensor
It may include capacitance sensor.When user touches Petting Area, at least one capacitance sensor can detect selfcapacity
Variation is to identify touch operation.
In one possible implementation, wireless headset can also include acceleration transducer and three-axis gyroscope, add
Velocity sensor and three-axis gyroscope can be arranged in earphone outer covering, acceleration transducer and three-axis gyroscope for identification without
The pick-up of line earphone and remove action.
In one possible implementation, wireless headset can also include at least one baroceptor, air pressure sensing
Device can be arranged on the surface of earphone outer covering, for the air pressure in detection ear after wireless headset wearing.Air pressure sensing can be passed through
Device detects the wearing elasticity of wireless headset.When detect wireless headset wear it is more loose when, wireless headset can to wireless ear
The electronic device of machine connection sends prompt message, to prompt user's wireless headset to fall risk.
B is please referred to Fig.1, Fig. 1 b are a kind of structural schematic diagrams of wearable device disclosed in the embodiment of the present application, wearable
Equipment 10 includes storage and processing circuit 710, and the telecommunication circuit 720 and sound being connect with the storage and processing circuit 710
Frequency component 740, wherein in some specific wearable devices 10, display module 730 or touch control component can also be set.
Wearable device 10 may include control circuit, which may include storage and processing circuit 710.This is deposited
Storage and processing circuit 710 can be with memories, such as hard drive memory, and nonvolatile memory (such as flash memory or is used for shape
At other electrically programmable read only memories etc. of solid state drive), volatile memory (such as either statically or dynamically arbitrary access
Memory etc.) etc., the embodiment of the present application is not restricted.Processing circuit in storage and processing circuit 710, which can be used for controlling, to be worn
Wear the operating of equipment 10.The processing circuit can microprocessor based on one or more, microcontroller, digital signal processor,
Baseband processor, power management unit, audio codec chip, application-specific integrated circuit, display-driver Ics etc. come
It realizes.
Storage and processing circuit 710 can be used for running the software in wearable device 10, such as voice over internet protocol
(Voice over Internet Protocol, VOIP) call application program, simultaneous interpretation function, media play application
Program, operation system function etc..These softwares can be used for executing some control operations, for example, the image based on camera is adopted
Collection, the ambient light measurement based on ambient light sensor, the proximity sensor based on proximity sensor measure, based on such as luminous two
The information display function that the positioning indicators such as the status indicator lamp of pole pipe are realized, the touch event detection based on touch sensor,
Operation associated with wireless communication function is executed, operation associated with collecting and generating audio signal, with collection and processing
Other functions etc. in the associated control operation of button press event data and wearable device 10, the embodiment of the present application
It is not restricted.
Wearable device 10 can also include input-output circuit 750.Input-output circuit 750 can be used for making wearable
Equipment 10 realizes outputting and inputting for data, that is, allows wearable device 10 to allow from outer equipment receiving data and also wearable
Equipment 10 exports data to external equipment from wearable device 10.Input-output circuit 750 may further include sensor
770.Sensor 770 may include ambient light sensor, and the proximity sensor based on light and capacitance, touch sensor is (for example, base
In light touch sensor and/or capacitive touch sensors, wherein touch sensor can be a part for touching display screen,
A touch sensor arrangement is can also be used as independently to use), acceleration transducer and other sensors etc..
Input-output circuit 750 (can also be shown including touch sensor array that is, display 730 can be touch-control
Screen).Touch sensor can be the electricity formed by transparent touch sensor electrode (such as tin indium oxide (ITO) electrode) array
Appearance formula touch sensor, or can be the touch sensor formed using other touching techniques, such as sound wave touch-control, it is pressure-sensitive to touch
It touches, resistive touch, optical touch etc., the embodiment of the present application is not restricted.
Wearable device 10 can also include audio component 740.Audio component 740 can be used for carrying for wearable device 10
For audio input and output function.Audio component 740 in wearable device 10 may include loud speaker, microphone, buzzer,
Tone generator and other components for generating and detecting sound.
Telecommunication circuit 720 can be used for providing the ability with external device communication for wearable device 10.Telecommunication circuit 720 can
To include analog- and digital- input-output interface circuit, and the radio communication circuit based on radiofrequency signal and/or optical signal.It is logical
Letter circuit 720 in radio communication circuit may include radio-frequency transceiver circuitry, power amplifier circuit, low-noise amplifier,
Switch, filter and antenna.For example, the radio communication circuit in telecommunication circuit 720 may include for by transmitting and
Near-field coupling electromagnetic signal is received to support the circuit of near-field communication (Near Field Communication, NFC).For example,
Telecommunication circuit 720 may include near-field communication aerial and near-field communication transceiver.Telecommunication circuit 720 can also include cellular phone
Transceiver and antenna, wireless lan transceiver circuit and antenna etc..
Wearable device 10 can further include battery, power management circuitry and other input-output units 760.
Input-output unit 760 may include button, control stick, click wheel, scroll wheel, touch tablet, keypad, keyboard, camera,
Light emitting diode or other positioning indicators etc..
User can input a command for the operation of control wearable device 10 by input-output circuit 750, and can be with
Using the output data of input-output circuit 750 status information and other outputs from wearable device 10 are received to realize.
Referring to Fig. 2, Fig. 2 is a kind of multiplex circuit disclosed in the embodiment of the present application, multiplex circuit 100 is set to wearable
Equipment 10, multiplex circuit 100 may include coil 11, selection circuit 12, audio playing circuit 14,13 and of wireless charging circuit
First controller 15；
Coil 11 connects the selection end 120 of selection circuit 12, and the first fixing end 121 of selection circuit 12 connects wireless charging
The input terminal 131 of circuit 13；The output end 141 of the second fixing end 122 connection audio playing circuit 14 of selection circuit 13；First
The output end 151 of controller 15 connects the control terminal 123 of selection circuit 12.
Multiplex circuit 100 can play audio and wireless charging is time-multiplexed.
As shown in Figure 3a, when the selection end 120 of 15 control selections circuit 12 of the first controller and wireless charging circuit 13
When input terminal 131 is connected to, multiplex circuit 10 is operated in wireless charging pattern.At this point, coil 11 is formed with wireless charging circuit 13
Wireless charging access.Coil 11 can be used for the wireless electromagnetic energy of the energy emitting device transmitting outside reception, be wireless charging
Circuit 13 provides electric energy, and the wireless charging function of wireless headset may be implemented in multiplex circuit 100.In Fig. 3 a, selection circuit 12
Selection end 120 and the output end 141 of audio playing circuit 14 disconnect, audio play access disconnect.According to electromagnetism
Magnetic energy is converted to electric energy by inductive effect, the coil in Fig. 3 a for collecting magnetic energy.
As shown in Figure 3b, when the selection end 120 of 15 control selections circuit 12 of the first controller and audio playing circuit 14
When output end 141 is connected to, multiplex circuit 100 is operated in audio-frequency play mode.At this point, coil 11 is formed with audio playing circuit 14
Audio plays access.The alternating current that coil 11 can be used for receiving audio playing circuit output generates mechanical oscillation, to realize
Sounding sends out audio, realizes audio playing function.In Fig. 3 b, selection end 120 and the wireless charging circuit 13 of selection circuit 12
Input terminal 131 disconnects, and wireless charging access disconnects.Coil in Fig. 3 b is for receiving the output of audio playing circuit 14
Alternating current generate changing magnetic field, the changing magnetic field under the magneticaction of the magnet in loudspeaker assembly drive vibrating diaphragm shake
Dynamic, to generate sound, the coil in Fig. 3 b is for converting electrical energy into mechanical energy.
It is understood that the selection end 120 of selection circuit 12 in above-mentioned Fig. 2, Fig. 3 a, Fig. 3 b, the first fixing end
121, the second fixing end 122 is to illustrate that wireless charging access and audio play the simple signal of one kind of access for convenience.In reality
In the circuit of border, wireless charging circuit 13, audio playing circuit 14 all have positive and negative two ports, coil 11 that can also have coil
Anode and coil negative terminal.Due in coil 11 by electric current be generally alternating current, coil anode and coil negative terminal are not done sternly
Lattice are distinguished.
Wearable device 10 in the embodiment of the present application can be wireless headset, and coil 11 can be loudspeaker coil.It will
Loudspeaker coil can realize audio playing function and wireless charging as time-multiplexed coil by a loudspeaker coil
Function can greatly save the sky of wearable device without additionally increasing the coil for wireless charging in wireless headset
Between, to improve can wireless headset space availability ratio.
Optionally, referring to Fig. 4, Fig. 4 is another multiplex circuit disclosed in the embodiment of the present application.As shown in figure 4, selection
End 120 includes positive selection end 1201 and negative selection end 1202, and the first fixing end 121 includes that the first positive fixing end 1211 and first is negative
Fixing end 1212, the second fixing end 122 include the second positive fixing end 1221 and the second negative fixing end 1222；Coil 11 includes coil
Anode 111 and coil negative terminal 112；Coil anode 111 connects positive selection end 1201, and coil negative terminal 112 connects negative selection end 1202.
Optionally, the input terminal 131 of wireless charging circuit 13 may include the charging of the first charging input end 1311 and second
Input terminal 1312, the first charging input end 1311 connect the first positive fixing end 1211, the second charging input end 1312 connection first
Negative fixing end 1212.
The output end 141 of audio playing circuit 14 may include the first audio output 1411 and the second audio output
1412, the first audio output 1411 connects the second positive fixing end 1221, and the second audio output 1412 connects the second negative fixation
End 1222.
In the embodiment of the present application, when multiplex circuit 100 is operated in wireless charging pattern, the positive selection end of selection circuit 12
1201 are connected to the first positive fixing end 1211, and negative selection end 1202 is connected to the first negative fixing end 1212.When 100 work of multiplex circuit
Make in audio-frequency play mode, the positive selection end 1201 of selection circuit 12 is connected to the second positive fixing end 1221, negative selection end
1202 are connected to the second negative fixing end 1222.
Optionally, as shown in figure 5, selection circuit 12 include double-point double-throw switch (Double Pole Double Throw,
DPDT), double-point double-throw switch includes the first movable contact A1, the second movable contact A1, the first stationary contact S1, the second stationary contact S2, the
Three stationary contact S3 and the 4th stationary contact S4；
Positive selection end 1201 connects the first movable contact A1, and second movable contact of the connection of negative selection end 1202 A2, first is positive fixed
1211 the first stationary contact S1 of connection of end, the first negative fixing end 1212 connect the second stationary contact S2, the connection of the second positive fixing end 1221
Third stationary contact S3, the second negative fixing end 1222 connect the 4th stationary contact S4.
Optionally, as shown in Figure 6 a, when multiplex circuit 100 is operated in wireless charging pattern, the control of the first controller 15
First movable contact A1 connection the first stationary contact S1 of double-point double-throw switch 12 control the second movable contact A2 of double-point double-throw switch 12
Connect the second stationary contact S2.
Wherein, the first controller 15 can send first control signal, the first control signal to double-point double-throw switch 12
First movable contact A1 connection the first stationary contact S1 for controlling double-point double-throw switch 12, the second of control double-point double-throw switch 12
Movable contact A2 the second stationary contacts of connection S2.
Optionally, as shown in Figure 6 b, when multiplex circuit 100 is operated in audio-frequency play mode, the control of the first controller 105
First movable contact A1 connection third stationary contact S3 of double-point double-throw switch 12 control the second movable contact A2 of double-point double-throw switch 12
Connect the 4th stationary contact S4.
Wherein, the first controller 15 can send second control signal, the second control signal to double-point double-throw switch 12
The first movable contact A1 connection third stationary contact S3 for controlling double-point double-throw switch 12, the second of control double-point double-throw switch 12
The 4th stationary contact S4 of movable contact A2 connections.
Wherein, first control signal is high level signal, and second control signal is low level signal；Alternatively, the first control
Signal is low level signal, and second control signal is high level signal.For example, high level signal can be the voltage of 3.3V
Signal, low level signal can be the voltage signals of 0V.
Optionally, as shown in fig. 7, selection circuit 12 includes first switch pipe T1, second switch pipe T2, third switch transistor T 4
With the 4th switch transistor T 4, the output end 151 of the first controller 15 include the first output end, second output terminal, third output end and
4th output end (the first output end, second output terminal, third output end and the 4th output end do not mark in the figure 7)；Selection electricity
The control terminal 123 on road 12 includes the control of the control terminal, the control terminal, third switch transistor T 3 of second switch pipe T2 of first switch pipe T1
The control terminal (not marked in Fig. 7) at end processed and the 4th switch transistor T 4.
Positive selection end 1201 connects the first end of the first end and second switch pipe T2 of first switch pipe T1, first switch pipe
The second end of T1 connects the first positive fixing end 1211, and the second end of second switch pipe T2 connects the second positive fixing end 1221；
Negative selection end 1202 connects the first end of the first end and the 4th switch transistor T 4 of third switch transistor T 3, third switching tube
The second end of T3 connects the first negative fixing end 1212, and the second end of the 4th switch transistor T 4 connects the second negative fixing end 1222；
First output end connects the control terminal of first switch pipe T1, and second output terminal connects the control of second switch pipe T2
End, third output end connect the control terminal of third switch transistor T 3, and the 4th output end connects the control terminal of the 4th switch transistor T 4.
Wherein, switching tube can be metal-oxide-semiconductor (metal oxide semiconductor, MOS)
Field-effect transistor, insulated gate bipolar transistor (Insulated Gate Bipolar Transistor, IGBT), three poles
The semiconductor switch pipe such as pipe.
When multiplex circuit 100 is operated in wireless charging pattern, the first controller 15 controls first switch pipe T1 and third
Switch transistor T 3 is connected, and controls second switch pipe T2 and the 4th switch transistor T 4 disconnects.For example, if switching tube is NMOS
The control terminal of pipe, switching tube is that grid, then the first output end of the first controller 15 and third output end export high level signal,
Then the second output terminal of the first controller 15 and the 4th output end export low level signal；If switching tube is PMOS tube, open
The control terminal for closing pipe is grid, then the first output end of the first controller 15 and third output end export low level signal, then the
The second output terminal of one controller 15 and the 4th output end export high level signal.Wherein, high level signal can be 3.3V
Voltage signal, low level signal can be the voltage signals of 0V.
When multiplex circuit 100 is operated in audio-frequency play mode, the first controller 15 controls first switch pipe T1 and third
Switch transistor T 3 disconnects, and controls second switch pipe T2 and the conducting of the 4th switch transistor T 4.For example, if switching tube is NMOS
The control terminal of pipe, switching tube is that grid, then the first output end of the first controller 15 and third output end export low level signal,
Then the second output terminal of the first controller 15 and the 4th output end export high level signal；If switching tube is PMOS tube, open
The control terminal for closing pipe is grid, then the first output end of the first controller 15 and third output end export high level signal, then the
The second output terminal of one controller 15 and the 4th output end export low level signal.Wherein, high level signal can be 3.3V
Voltage signal, low level signal can be the voltage signals of 0V.
Due to the fast response time of switching tube, using circuit shown in Fig. 7, selection circuit 13 can be in wireless charging pattern
It is switched fast between audio-frequency play mode.
Optionally, as shown in figure 8, audio playing circuit 14 includes audio receiving circuit 1401 and power amplifier 1402；
Wearable device 10 establishes wireless communication connection with electronic device 20.
Audio receiving circuit 1401 is used to receive audio signal from electronic device 20 and demodulates audio signal, obtains
Audio signal after demodulation；
Power amplifier 1402 exports after being used to the audio signal after demodulation being amplified to coil 11.
In the embodiment of the present application, wearable device 10 (for example, wireless headset) is matched with electronic device 20 (for example, mobile phone)
Success, and establish wireless communication connection (for example, bluetooth connection) after, electronic device 20 can to wearable device 10 send modulate
Audio signal afterwards, audio receiving circuit 1401 receive audio signal from electronic device 20 and demodulate audio signal, obtain
Audio signal after to demodulation, power amplifier 1402 export after being amplified the audio signal after demodulation to coil 11, with
Coil 11 is set to make a sound.
Wherein, coil can be moving-iron type sounding, can also be moving-coil type sounding, and the embodiment of the present application does not limit.
Optionally, as shown in figure 9, the input terminal 131 of wireless charging circuit 13 may include the first charging input end 1311
With the second charging input end 1312, the first charging input end 1311 connects the first positive fixing end 1211, the second charging input end
1312 the first negative fixing ends 1212 of connection.Wireless charging circuit 13 includes the first rectification circuit 1301, the first filter circuit 1302
With battery 1303.
The first input end of first rectification circuit 1301 connects the first charging input end 1311, the first rectification circuit 1301
Second input terminal connects the second charging input end 1312；
First output end of the first rectification circuit 1301 connects the first input end of the first filter circuit 1302, the first rectification
The second output terminal of circuit 1301 connects the second input terminal of the first filter circuit 1302；
The anode of the first output end connection battery 1303 of first filter circuit 1302, the second of the first filter circuit 1302
Output end connects the cathode of battery 1303.
In the embodiment of the present application, the first rectification circuit 1301, which is used to coil 11 being transmitted through the alternating current come, is converted to direct current
Electricity, the first filter circuit 1302 be used for by the direct current that the first rectification circuit 1301 exports be converted to stable DC export to
Battery is powered.
Wherein, battery 1303 is rechargeable batteries, such as lithium battery.
Optionally, the first rectification circuit 1301 includes bridge rectifier.
Optionally, the first filter circuit 1302 includes capacitor filter or RC filter circuits.
Wherein, the first controller 15 can be microprocessor (Microcontroller Unit, MCU), can export height
Level signal can also export low level signal.First controller 15 can be with control selections circuit 12 by coil 11 and wireless charging
Circuit 13 is connected to or coil 11 is connected to by control selections circuit 12 with audio playing circuit 14.First controller 15 can be with
Computer program instructions are stored with, which can execute control strategy, which is used for control selections
When coil 11 is connected to by circuit 12 with wireless charging circuit 13, and for control selections circuit 12 when by coil 11 and sound
Frequency playing circuit 14 is connected to.
For example, it is communicated to connect when the first controller 15 detects that wearable device 10 is established with energy emitting device 30
When, coil 11 is connected to by control selections circuit 12 with wireless charging circuit 13, and coil 11 and audio playing circuit 14 are disconnected
Connection, while electronic device 20 being notified to stop sending audio signal to wearable device 10.
When the first controller 15 detects that 1303 electricity of battery is full of, control selections circuit 12 broadcasts coil 11 with audio
Electric discharge road 14 is connected to, and coil 11 and wireless charging circuit 13 are disconnected, while energy emitting device 30 being notified to stop energy
Amount transmitting, notice electronic device 20 can send audio signal to wearable device 10.
Optionally, as shown in Figure 10, multiplex circuit further includes detection circuit 16, and detection circuit 16 connects the first controller
15；
Detection circuit 16 is used to detect the charging current of battery 1303, and detects battery 1303 for working as detection circuit
Charging current be more than predetermined current threshold when, to the first controller 15 send current anomaly signal；
First controller 15 sends a notification message according to current anomaly signal to energy emitting device 30, and notification message is used for
Energy emitting device 30 is notified to stop energy transmitting.
Optionally, detection circuit 16 be additionally operable to detection battery 1303 whether charging complete, when detect battery 1303 charge
When completion, charging completion signal is sent to the first controller 15；
First controller 15 sends a notification message according to charging completion signal to energy emitting device 30.
Optionally, after the first controller 15 sends a notification message according to charging completion signal to energy emitting device 30,
Second notification message can also be sent to electronic device, second notification message is for notifying electronic device 20 that can be set to wearable
Standby 10 send audio signal.
In the embodiment of the present application, detection circuit 16 may include detection resistance and voltage comparator, and detection resistance is connected in series to
In the charge circuit of battery 1303, voltage comparator is used to compare the size of the voltage and reference voltage at detection resistance both ends, when
Detect detection resistance both ends voltage be more than reference voltage when, output current abnormal signal (for example, high level signal) is extremely
First controller 15 allows controller notice energy emitting device 30 to stop energy transmitting, can automatically be carried out when electric current is excessive
Protection, prevents from causing coil 11 to be burned due to 30 operation irregularity of energy emitting device.Optionally, the first controller 15 is according to electricity
After throat floater signal sends a notification message to energy emitting device 30, the first controller 15 can with control coil 11 with it is wireless
Charging circuit 13 disconnects, after receiving the notification message working properly of the transmission of energy emitting device 30, control coil
11 are connected to wireless charging circuit 13.
Please refer to the structural schematic diagram that 11, Figure 11 is another wearable device disclosed in the embodiment of the present application.Such as Figure 11
Shown, wearable device 10 includes shell 200, loudspeaker assembly 300 and multiplex circuit 100, and loudspeaker assembly 300 includes line
Circle, magnet and vibrating diaphragm, coil are connect with vibrating diaphragm, and when galvanization in coil, coil occurs under the magnetic fields that magnet generates
Vibration, to drive vibrating diaphragm sounding；Loudspeaker assembly 300 is fixed in shell 200.Wherein, magnet can be permanent magnet, forever
The material of magnet can be ferrite permanent-magnet materials.
In the embodiment of the present application, if it is moving-coil type principle of sound that wearable device 10, which is loudspeaker assembly 300, when
When multiplex circuit is operated in audio-frequency play mode, in coil (can be loudspeaker coil) after galvanization, the generation magnetic in coil
Field acts power with the magnetic field generated in magnet, drives vibrating diaphragm sounding.
Wherein, when multiplex circuit 100 is operated in wireless charging pattern, wearable device 10 receives energy by coil and sends out
The electromagnetic energy that injection device 30 transmits.
Wherein, when multiplex circuit 100 is operated in audio-frequency play mode, wearable device 10 receives electronic device 20 and sends
Audio signal, and pass through coil drive vibrating diaphragm sounding.
Optionally, as shown in figure 12, energy emitting device 30 includes the second rectification circuit 31, the second filter circuit 32, height
Frequency inverter circuit 33, transmitting coil 34 and second controller 35；
Second rectification circuit 31 is used to alternating current being converted to initial DC voltage；Wherein, alternating current can be alternating current (ratio
Such as, 220V, 50Hz).
Second filter circuit 32 is used to initial DC voltage becoming stable DC voltage；
High-frequency inverter circuit 33 is used to stable DC voltage converting high-frequency alternating current (for example, frequency is 100K-
200KHz), high-frequency alternating current is for driving transmitting coil 34 to emit electromagnetic energy；
Second controller 35 is connect with high-frequency inverter circuit 33, and second controller 33 is for controlling whether transmitting coil 34 is sent out
Radio magnetic energy, and transmitting coil 34 emit electromagnetic energy when control transmitting coil 34 emit electromagnetic energy size.
Wherein, between the second filter circuit 32 and high-frequency inverter circuit 33, DC-DC reduction voltage circuits, DC- can also be increased
DC reduction voltage circuits are used to High Level DC Voltage being converted to low dc voltage (for example, 5V), can improve energy emitting device 30
Stability.
Wherein, the energy between the loudspeaker coil in the transmitting coil of energy emitting device 30 and wearable device 10 passes
It is as shown in figure 13 to pass principle.When galvanization in transmitting coil, the magnetic field of transmitting coil is by loudspeaker coil, in speaker wire
Corresponding induced current is generated in circle, to realize the energy transmission between transmitting coil and loudspeaker coil.
It is a kind of stream of wearable device Working mode switching method disclosed in the embodiment of the present application to please refer to Fig.1 4, Figure 14
Journey schematic diagram, this method are applied to wearable device shown in Figure 11.As shown in figure 14, this method comprises the following steps.
401, whether the coil of wearable device detection wearable device generates induced current.If so, step 402 is executed,
If it is not, executing step 403.
402, wearable device control wearable device is operated in wireless charging pattern.
403, wearable device control wearable device is operated in audio-frequency play mode.
In the embodiment of the present application, wearable device may include memory, can be stored in memory and execute step 401
To the program instruction of step 403.
Wearable device may include detection circuit, and whether which produces in the coil for detecting wearable device
Raw induced current.
Wherein, in step 401, whether the coil of wearable device detection wearable device generates induced current, specially：
Wearable device detects whether the curent change frequency in the coil of wearable device is located at preset charged frequency model
In enclosing, if so, determining that coil generates induced current；If it is not, determining that coil does not generate induced current.
For example, preset charged frequency range can be：100-200 kHz (KHz).
Optionally, in order to improve the accuracy of induced current judgement, it can also further determine that whether is electric current in coil
More than predetermined current threshold, when the curent change frequency in coil is located in preset charged frequency range, and the electricity in coil
When stream is more than predetermined current threshold, determine that the electric current in coil is induced current.
In general, when coil receives audio signal, curent change frequency is located at preset audio and plays frequently in coil
Rate range (for example, 20-20KHz).Preset charged frequency range is not overlapped with preset audio broadcasting frequency range.
In the embodiment of the present application, it can judge wear by the way that whether the coil of detection wearable device generates induced current
It whether close with energy emitting device wears equipment, whether wireless charging will be carried out with accurate judgement wearable device, to realize
The switching of the operating mode of wearable device.Using coil as time-multiplexed coil, audio can be realized by a coil
Playing function and wireless charging function can be very big without additionally increasing the coil for wireless charging in wearable device
Saving wearable device space, to improve the space availability ratio of wearable device.
The embodiment of the present application also provides a kind of computer storage media, wherein computer storage media storage is for electricity
The computer program that subdata exchanges, the computer program make wearable device execute as described in above method embodiment
Some or all of either method step, above-mentioned wearable device include wireless headset.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, for example, said units division, it is only a kind of
Division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical or other forms.
The above-mentioned unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
Meanwhile for those of ordinary skill in the art, according to the thought of the application, can in specific implementation and application range
There is change place, to sum up above-mentioned, the contents of this specification should not be construed as limiting the present application.
Claims (20)
1. a kind of multiplex circuit, which is characterized in that the multiplex circuit is set to wearable device, and the multiplex circuit includes：
Coil, selection circuit, audio playing circuit, wireless charging circuit and the first controller；
The coil connects the selection end of the selection circuit, and the first fixing end of the selection circuit connects the wireless charging
The input terminal of circuit；Second fixing end of the selection circuit connects the output end of the audio playing circuit；First control
The output end of device processed connects the control terminal of the selection circuit；
When the selection end that first controller controls the selection circuit is connected to the input terminal of the wireless charging circuit,
The multiplex circuit is operated in wireless charging pattern；
When the selection end that first controller controls the selection circuit is connected to the output end of the audio playing circuit,
The multiplex circuit is operated in audio-frequency play mode.
2. multiplex circuit according to claim 1, which is characterized in that the selection end includes positive selection end and negative selection
End, first fixing end include the first positive fixing end and the first negative fixing end, and second fixing end includes second positive fixed
End and the second negative fixing end；The coil includes coil anode and coil negative terminal；The coil anode connects the positive selection end,
The coil negative terminal connects the negative selection end.
3. multiplex circuit according to claim 2, which is characterized in that the selection circuit includes double-point double-throw switch, institute
It includes the first movable contact, the second movable contact, the first stationary contact, the second stationary contact, third stationary contact and the to state double-point double-throw switch
Four stationary contacts；
The positive selection end connects first movable contact, and the negative selection end connects second movable contact, and described first just
Fixing end connects first stationary contact, and the first negative fixing end connects second stationary contact, the second positive fixing end
The third stationary contact is connected, the second negative fixing end connects the 4th stationary contact.
4. multiplex circuit according to claim 3, which is characterized in that
The selection end that first controller controls the selection circuit is connected to specifically with the input terminal of the wireless charging circuit
For：
First movable contact that first controller controls the double-point double-throw switch connects first stationary contact, control
Second movable contact of the double-point double-throw switch connects second stationary contact.
5. multiplex circuit according to claim 3, which is characterized in that
The selection end that first controller controls the selection circuit is connected to specifically with the output end of the audio playing circuit
For：
First movable contact that first controller controls the double-point double-throw switch connects the third stationary contact, control
Second movable contact of the double-point double-throw switch connects the 4th stationary contact.
6. multiplex circuit according to claim 2, which is characterized in that the selection circuit includes first switch pipe, second
Switching tube, third switching tube and the 4th switching tube, first controller are defeated including the first output end, second output terminal, third
Outlet and the 4th output end；
The positive selection end connects the first end of the first end and the second switch pipe of the first switch pipe, and described first opens
The second end for closing pipe connects the first positive fixing end, and the second end of the second switch pipe connects the second positive fixing end；
The negative selection end connects the first end of the first end and the 4th switching tube of the third switching tube, and the third is opened
The second end for closing pipe connects the first negative fixing end, and the second end of the 4th switching tube connects the second negative fixing end；
First output end connects the control terminal of the first switch pipe, and the second output terminal connects the second switch pipe
Control terminal, the third output end connects the control terminal of the third switching tube, the 4th output end connection the described 4th
The control terminal of switching tube.
7. multiplex circuit according to claim 6, which is characterized in that
The selection end that first controller controls the selection circuit is connected to specifically with the input terminal of the wireless charging circuit
For：
First controller controls the first switch pipe and third switching tube conducting, control the second switch pipe and
4th switching tube disconnects.
8. multiplex circuit according to claim 6, which is characterized in that
The selection end that first controller controls the selection circuit is connected to specifically with the output end of the audio playing circuit
For：
First controller controls the first switch pipe and the third switching tube disconnects, control the second switch pipe and
The 4th switching tube conducting.
9. according to claim 2-8 any one of them multiplex circuits, which is characterized in that the audio playing circuit includes audio
Receiving circuit and power amplifier；The wearable device establishes wireless communication connection with electronic device；
The audio receiving circuit is used to receive audio signal from the electronic device and demodulates the audio signal, obtains
Audio signal after to demodulation；
The power amplifier is for output after being amplified the audio signal after the demodulation to the coil.
10. according to claim 2-9 any one of them multiplex circuits, which is characterized in that the input of the wireless charging circuit
End includes the first charging input end and the second charging input end, and first charging input end connects the first positive fixing end,
Second charging input end connects the first negative fixing end.
11. multiplex circuit according to claim 10, which is characterized in that the wireless charging circuit includes the first rectified current
Road, the first filter circuit and battery；
First input end connection first charging input end of first rectification circuit, the second of first rectification circuit
Input terminal connects second charging input end；
First output end of first rectification circuit connects the first input end of first filter circuit, first rectification
The second output terminal of circuit connects the second input terminal of first filter circuit；
First output end of first filter circuit connects the anode of the battery, the second output of first filter circuit
End connects the cathode of the battery.
12. multiplex circuit according to claim 11, which is characterized in that the first rectification circuit includes bridge rectifier.
13. multiplex circuit according to claim 11 or 12, which is characterized in that first filter circuit includes capacitance filter
Wave circuit or RC filter circuits.
14. according to claim 1-13 any one of them multiplex circuits, which is characterized in that first controller includes micro- place
Manage device.
15. according to claim 1-14 any one of them multiplex circuits, which is characterized in that the multiplex circuit further includes detection
Circuit, the detection circuit connect first controller；
The detection circuit is used to detect the charging current of the battery, and detects the electricity for working as the detection circuit
When the charging current in pond is more than predetermined current threshold, current anomaly signal is sent to first controller；
First controller sends a notification message according to the current anomaly signal to energy emitting device, the notification message
For notifying the energy emitting device to stop energy transmitting.
16. multiplex circuit according to claim 15, which is characterized in that the detection circuit is additionally operable to detect the battery
Whether charging complete sends charging completion signal when detecting the battery charging complete to first controller；
First controller sends the notification message according to the charging completion signal to energy emitting device.
17. a kind of wearable device, which is characterized in that including shell, loudspeaker assembly and such as any one of claim 1-16 institutes
The multiplex circuit stated, the loudspeaker assembly include coil, magnet and vibrating diaphragm, and the coil is connect with the vibrating diaphragm, when described
In coil when galvanization, the coil vibrates under the magnetic fields that the magnet generates, to drive the vibrating diaphragm sounding；
The loudspeaker assembly is fixed in the shell.
18. wearable device according to claim 17, which is characterized in that when the multiplex circuit is operated in wireless charging
When pattern, the wearable device receives the electromagnetic energy that energy emitting device transmits by the coil.
19. the wearable device according to claim 17 or 18, which is characterized in that when the multiplex circuit is operated in audio
When play mode, the wearable device receives the audio signal that the electronic device is sent, and passes through the coil drive institute
State vibrating diaphragm sounding.
20. a kind of wearable device Working mode switching method, which is characterized in that the method is applied to claim 17-19
Any one of them wearable device, the method includes：
Whether the coil for detecting the wearable device generates induced current；
If so, controlling the wearable device is operated in wireless charging pattern；
If it is not, controlling the wearable device is operated in audio-frequency play mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810387042.3A CN108668204B (en) | 2018-04-26 | 2018-04-26 | Multiplexing circuit, wearable device and method for switching working modes of wearable device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810387042.3A CN108668204B (en) | 2018-04-26 | 2018-04-26 | Multiplexing circuit, wearable device and method for switching working modes of wearable device |
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| CN108668204B CN108668204B (en) | 2021-03-09 |
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| CN112019965A (en) * | 2020-09-04 | 2020-12-01 | 歌尔科技有限公司 | Switching system and method |
| CN113840212A (en) * | 2021-08-23 | 2021-12-24 | 荣耀终端有限公司 | Audio signal processing circuit and electronic equipment |
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| CN206461764U (en) * | 2017-03-02 | 2017-09-01 | 微鲸科技有限公司 | Loudspeaker and audio frequency apparatus |
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| CN108668204B (en) | 2021-03-09 |
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