CN108767950A - 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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- CN108767950A CN108767950A CN201810387041.9A CN201810387041A CN108767950A CN 108767950 A CN108767950 A CN 108767950A CN 201810387041 A CN201810387041 A CN 201810387041A CN 108767950 A CN108767950 A CN 108767950A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004891 communication Methods 0.000 claims description 17
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- 230000006870 function Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 11
- 230000015654 memory Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 6
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- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000008878 coupling 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
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011217 control strategy Methods 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
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- 238000002347 injection Methods 0.000 description 1
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- H02J7/025—
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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Abstract
This application discloses a kind of multiplex circuit, wearable device and wearable device Working mode switching method, multiplex circuit is set to wearable device, and multiplex circuit includes：Coil, frequency divider, wireless charging circuit, audio playing circuit and the first controller；Coil connects the common end of frequency divider, the input terminal of the output end connection wireless charging circuit of frequency divider；The output end of the input terminal connection audio playing circuit of frequency divider；The control terminal of the output end connection frequency divider of first controller；When wireless charging access between the first controller controls output end of the common end of frequency divider with frequency divider is connected, multiplex circuit is operated in wireless charging pattern；When audio broadcasting access between the first controller controls input terminal of the common end of frequency divider with frequency divider is connected, 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 devices
Working 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 operating mode switching side
Method can improve the space availability ratio of wearable device.
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, frequency divider, wireless charging circuit, audio playing circuit and the first controller；
The coil connects the common end of the frequency divider, and the output end of the frequency divider connects the wireless charging circuit
Input terminal；The input terminal of the frequency divider connects the output end of the audio playing circuit；The output of first controller
End connects the control terminal of the frequency divider；
When first controller control it is wireless between the common end of the frequency divider and the output end of the frequency divider
When charging path is connected, the multiplex circuit is operated in wireless charging pattern；
When first controller controls the audio between the common end of the frequency divider and the input terminal of the frequency divider
When playing access conducting, 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, multiplex circuit controls the wireless charging access or audio of frequency divider by the first controller
Play access conducting.Wireless charging access between the common end and the output end of frequency divider that the first controller controls frequency divider
When conducting, multiplex circuit is operated in wireless charging pattern；When the first controller control frequency divider common end and frequency divider it is defeated
When entering the audio broadcasting access conducting between end, multiplex circuit is operated in audio-frequency play mode.The embodiment of the present application can be by line
Circle is used as time-multiplexed coil, can realize audio playing function and wireless charging function by coil, without can
Additionally increase the coil for wireless charging in wearable device, the space of wearable device can be greatly saved, to improve
The space availability ratio of wearable device.
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 is another multiplex circuit disclosed in the embodiment of the present application；
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 the structural schematic diagram of another wearable device disclosed in the embodiment of the present application；
Figure 10 is a kind of structural schematic diagram of energy emitting device disclosed in the embodiment of the present application；
Figure 11 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 12 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 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, frequency divider 12, wireless charging circuit 13, audio playing circuit 14 and
One controller 15；
Coil 11 connects the common end 120 of frequency divider 12, and the output end 121 of frequency divider 12 connects wireless charging circuit 13
Input terminal 131；The input terminal 122 of frequency divider 12 connects the output end 141 of audio playing circuit 14；The output of first controller 15
The control terminal 123 of 151 connection frequency divider 12 of end.
Multiplex circuit 100 can play audio and wireless charging is time-multiplexed.
As shown in Figure 3a, when the first controller 15 controls the output end 121 of the common end 120 and frequency divider 12 of frequency divider 12
Between wireless charging access 125 be connected when, multiplex circuit 10 is operated in wireless charging pattern.At this point, coil 11 and wireless charging
Circuit 13 is connected to by wireless charging access 125.Coil 11 can be used for the nothing of the energy emitting device transmitting outside reception
Line electromagnetic energy provides electric energy for wireless charging circuit 13, and the wireless charging electric work of wireless headset may be implemented in multiplex circuit 100
Energy.In Fig. 3 a, the audio between the common end 120 of frequency divider 12 and the input terminal 122 of frequency divider 12 plays access and disconnects.According to
Magnetic energy is converted to electric energy by electromagnetic induction effect, the coil in Fig. 3 a for collecting magnetic energy.
As shown in Figure 3b, when the first controller 15 controls the input terminal 122 of the common end 120 and frequency divider 12 of frequency divider 12
Between audio play access 126 be connected when, multiplex circuit 100 is operated in audio-frequency play mode.At this point, coil 11 is broadcast with audio
Electric discharge road 14 passes through audio and plays the conducting of access 126.Coil 11 can be used for receiving the alternating current production of audio playing circuit output
Raw mechanical oscillation send out audio to realize sounding, realize audio playing function.In Fig. 3 b, the common end 120 of frequency divider 12
Wireless charging access between the output end 121 of frequency divider 12 disconnects.Coil in Fig. 3 b is for receiving audio playing circuit
The alternating current of 14 outputs generates changing magnetic field, which drives vibrating diaphragm to shake under the magneticaction of the magnet in component
Dynamic, to generate sound, the coil in Fig. 3 b is for converting electrical energy into mechanical energy.
Wherein, the working frequency range of wireless charging access 125 is the working frequency range of wireless charging, and audio plays access 126
Working frequency range is the working frequency range that audio plays, and the working frequency range of wireless charging access 125 plays the work of access 126 with audio
Frequency range does not overlap.For example, the working frequency range of wireless charging access 125 is 100-200KHz, audio plays the work of access 126
Frequency range is 20-20KHz.
It is understood that the output of the common end 120, frequency divider 12 of frequency divider 12 in above-mentioned Fig. 2, Fig. 3 a, Fig. 3 b
It is to illustrate that wireless charging access 125 and audio play one kind of access 126 for convenience to hold the input terminal 122 of 121, frequency divider 12
Simple signal.In actual circuit, wireless charging circuit 13, audio playing circuit 14 all have positive and negative two ports, coil
11 can also have coil anode and coil negative terminal.Due in coil 11 by electric current be generally alternating current, coil anode and line
Circle negative terminal does not do stringent differentiation.
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, public
End 120 includes positive common end 1201 and minus commun 1202, and the output end 121 of frequency divider 12 includes the positive output end of frequency divider 12
1211 and frequency divider 12 negative output terminal 1212, the input terminal 122 of frequency divider 12 includes 1221 He of positive input terminal of frequency divider 12
The negative input end 1222 of frequency divider 12；Coil 11 includes coil anode 111 and coil negative terminal 112；Coil anode 111 connects positive public affairs
1201 are held altogether, and coil negative terminal 112 connects minus commun 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 positive output end 1211 of frequency divider 12, and the second charging input end 1312 connects
Connect the negative output terminal 1212 of frequency divider 12.
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 positive input terminal 1221 of frequency divider 12, the second audio output 1412 connection frequency dividing
The negative input end 1222 of device 12.
In the embodiment of the present application, when multiplex circuit 100 is operated in wireless charging pattern, the positive common end of frequency divider 12
Wireless charging access 125 between 1201 and the positive output end 1211 of frequency divider 12 is connected, minus commun 1202 and frequency divider 12
Negative output terminal 1212 between wireless charging access 125 be connected.When multiplex circuit 100 is operated in audio-frequency play mode, frequency dividing
Audio between the positive common end 1201 of device 12 and the positive input terminal 1221 of frequency divider 12 plays access 126 and is connected, minus commun
Audio between 1202 and the negative input end 1222 of frequency divider 12 plays access 126 and is connected.
Optionally, as shown in figure 5, wireless charging access 125 includes the first frequency dividing circuit 1251 and first switch of concatenation
Pipe T1；Audio plays the second frequency dividing circuit 1261 and second switch pipe T2 that access 126 includes concatenation；First controller 15 it is defeated
Outlet 151 connects the control terminal of the control terminal and second switch pipe T2 of first switch pipe T1.
In the embodiment of the present application, the first frequency dividing circuit 1251 is bandwidth-limited circuit, can allow the work of wireless charging
Frequency range (for example, 100-200KHz) passes through.Second frequency dividing circuit 1261 is bandwidth-limited circuit, the work that audio can be allowed to play
Make frequency range (for example, 20-20KHz) to pass through.
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.It should be noted that the turn-on condition of first switch pipe T1 and second switch pipe T2 are opposite.For example,
First switch pipe T1 is NMOS tube (control terminal of first switch pipe T1 is grid), and second switch pipe T2 is that (second opens PMOS tube
The control terminal for closing pipe T2 is grid)；Alternatively, first switch pipe T1 is PMOS tube, second switch pipe T2 is NMOS tube.Wherein,
The grid of NMOS tube is connected under high level signal, and the grid of PMOS tube is connected under low level.For example, high level signal
Can be the voltage signal of 3.3V, low level signal can be the voltage signal of 0V.
For example, first switch pipe T1 is NMOS tube, second switch pipe T2 is PMOS tube.When the output end of the first controller 15
When 151 output high level signal, first switch pipe T1 conductings, second switch pipe T2 is disconnected, and multiplex circuit 100 is operated in wireless charging
Power mode；When the output end 151 of the first controller 15 exports low level signal, first switch pipe T1 is disconnected, second switch pipe
T2 is connected, and multiplex circuit 100 is operated in audio-frequency play mode.
Optionally, the concrete structure of the first frequency dividing circuit 1251 and the second frequency dividing circuit 1261 refers to Fig. 6.Shown in Fig. 6,
First frequency dividing circuit 1251 include the first inductance L1, the second inductance L2, the first capacitance C1, the second capacitance C2, first resistor R1 and
Second resistance R2；
The first end of first switch pipe T1 connects positive common end 1201, and the second end of first switch pipe T1 connects the first inductance
The second end of the first end of the first end and first resistor R1 of L1, first resistor R1 connects the second end of the first inductance L1, first
The first end of the first end of capacitance C1, the first end of the second capacitance C2 and the second inductance L2, the second end connection of the second inductance L2
The positive output end 1211 of frequency divider 12, the first end of the second end connection second resistance R2 of the second capacitance C2, second resistance R2's
The negative output terminal 1212 of second end, the second end of the first capacitance C1 connection minus commun 1202 and frequency divider 12.
Wherein, the second frequency dividing circuit 1261 includes third inductance L3, third capacitance C3, the 4th capacitance C4 and 3rd resistor
R3；
The first end of second switch pipe T2 connects positive common end 1201, and the second end of second switch pipe T2 connects third inductance
The first end of L3 and the positive input terminal 1221 of frequency divider 12, minus commun 1202 connect the first end of third capacitance C3, third electricity
Hold the first end of the second end and the 4th capacitance C4 of the second end connection third inductance L3 of C3, the second end connection of the 4th capacitance C4
The first end of 3rd resistor R3, the negative input end 1222 of the second end connection frequency divider 12 of 3rd resistor R3.
In the embodiment of the present application, when first switch pipe T1 is connected, multiplex circuit 100 is operated in wireless charging pattern, the
One frequency dividing circuit 1251 only allows the signal of the working frequency range of wireless charging to pass through.
When second switch pipe T2 is connected, multiplex circuit 100 is operated in audio-frequency play mode, and the second frequency dividing circuit 1261 is only
The signal of the working frequency range of audio broadcasting is allowed to pass through.
In general, in synchronization, only there are one work for the first frequency dividing circuit 1251 and the second frequency dividing circuit 1261.And
And since the first frequency dividing circuit 1251 and the second frequency dividing circuit 1261 are operated in different frequency ranges respectively, the two not will produce dry
It disturbs.For example, when the first frequency dividing circuit 1251 works, even if the T2 conductings of second switch pipe, the wireless charging signal in coil 11
Also audio playing circuit 14 can not be transmitted to by the second frequency dividing circuit 1261.When the second frequency dividing circuit 1261 works, even if
First switch pipe T1 is connected, and the audio playback signal in coil 11 also can not be transmitted to wireless charging by the first frequency dividing circuit 1251
Circuit 13.The embodiment of the present invention using the first frequency dividing circuit 1251 and the second frequency dividing circuit 1261 can to avoid wireless charging and
Interference between audio broadcasting.
Due to the fast response time of switching tube, using circuit shown in fig. 6, frequency divider 12 can wireless charging pattern with
It is switched fast between audio-frequency play mode.
Optionally, as shown in fig. 7, 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 8, 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 positive output end 1211 of frequency divider 12, and the second charging is defeated
Enter the negative output terminal 1212 of 1312 connection frequency divider 12 of end.Wireless charging circuit 13 is filtered including the first rectification circuit 1301, first
Wave circuit 1302 and 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 control frequency divider 12 by coil 11 and wireless charging
Circuit 13 is connected to, or coil 11 is connected to by control frequency divider 12 with audio playing circuit 14.First controller 15 can store
There are computer program instructions, which can execute control strategy, and the control strategy is for controlling frequency divider 12
When coil 11 is connected to wireless charging circuit 13, and when that coil 11 and audio broadcasting is electric for controlling frequency divider 12
Road 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 frequency divider 12 with wireless charging circuit 13, and control multiplex circuit 100 is operated in wireless charging mould
Formula, and coil 11 and audio playing circuit 14 are disconnected, while electronic device 20 being notified to stop sending out to wearable device 10
Send audio signal.
When the first controller 15 detects that 1303 electricity of battery is full of, control frequency divider 12 plays coil 11 and audio
Circuit 14 is connected to, and control multiplex circuit 100 is operated in audio-frequency play mode, and coil 11 and wireless charging circuit 13 are disconnected and connected
It connects, while energy emitting device 30 being notified to stop energy transmitting, notice electronic device 20 can send sound to wearable device 10
Frequency signal.
Please refer to the structural schematic diagram that 9, Fig. 9 is another wearable device disclosed in the embodiment of the present application.Such as Figure 11 institutes
Show, wearable device 10 include shell 200, loudspeaker assembly 300 and multiplex circuit 100, loudspeaker assembly 300 include coil,
Magnet and vibrating diaphragm, coil are connect with vibrating diaphragm, and when galvanization in coil, coil shakes under the magnetic fields that magnet generates
It is dynamic, to drive vibrating diaphragm sounding；Loudspeaker assembly 300 is fixed in shell 200.Wherein, magnet can be permanent magnet, permanent magnetism
The material of body 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 10, 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 35 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 11 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 2, Figure 12
Journey schematic diagram, this method are applied to wearable device shown in Fig. 9.As shown in figure 12, this method comprises the following steps.
201, whether the coil of wearable device detection wearable device generates induced current.If so, step 202 is executed,
If it is not, executing step 203.
202, wearable device control wearable device is operated in wireless charging pattern.
203, 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 201
To the program instruction of step 203.
Wearable device may include detection circuit, and whether which produces in the coil for detecting wearable device
Raw induced current.
Wherein, in step 201, 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 (12)
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, frequency divider, wireless charging circuit, audio playing circuit and the first controller；
The coil connects the common end of the frequency divider, and the output end of the frequency divider connects the defeated of the wireless charging circuit
Enter end；The input terminal of the frequency divider connects the output end of the audio playing circuit；The output end of first controller connects
Connect the control terminal of the frequency divider；
When first controller controls the wireless charging between the common end of the frequency divider and the output end of the frequency divider
When access is connected, the multiplex circuit is operated in wireless charging pattern；
It is played when first controller controls the audio between the common end of the frequency divider and the input terminal of the frequency divider
When access is connected, the multiplex circuit is operated in audio-frequency play mode.
2. multiplex circuit according to claim 1, which is characterized in that the working frequency range of the wireless charging access is wireless
The working frequency range of charging, the working frequency range that the audio plays access are the working frequency range that audio plays, and the wireless charging is logical
The working frequency range that the working frequency range on road plays access with the audio does not overlap.
3. multiplex circuit according to claim 1 or 2, which is characterized in that the common end includes positive common end and negative public affairs
End altogether, the output end of the frequency divider includes the negative output terminal of the positive output end and the frequency divider of the frequency divider；Described point
The input terminal of frequency device includes the negative input end of the positive input terminal and the frequency divider of the frequency divider；The coil include coil just
End and coil negative terminal；The coil anode connects the positive common end, and the coil negative terminal connects the minus commun.
4. multiplex circuit according to claim 3, which is characterized in that the wireless charging access includes first point of concatenation
Frequency circuit and first switch pipe；The audio plays the second frequency dividing circuit and second switch pipe that access includes concatenation；Described
The output end of one controller connects the control terminal of the control terminal and the second switch pipe of the first switch pipe.
5. multiplex circuit according to claim 4, which is characterized in that first frequency dividing circuit includes the first inductance, the
Two inductance, the first capacitance, the second capacitance, first resistor and second resistance；
The first end of the first switch pipe connects the positive common end, the second end connection described first of the first switch pipe
The first end of the first end of inductance and the first resistor, the second end of the first resistor connect the second of first inductance
It holds, the first end of the first end of first capacitance, the first end and second inductance of second capacitance, second electricity
The second end of sense connects the positive output end of the frequency divider, and the second end of second capacitance connects the first of the second resistance
End, the second end of the second resistance, the second end of first capacitance connect the minus commun.
6. multiplex circuit according to claim 4, which is characterized in that second frequency dividing circuit includes third inductance,
Three capacitances, the 4th capacitance and 3rd resistor；
The first end of the second switch pipe connects the positive common end, and the second end of the second switch pipe connects the third
The positive input terminal of the first end of inductance and the frequency divider, the minus commun connects the first end of the third capacitance, described
The second end of third capacitance connects the first end of the second end and the 4th capacitance of the third inductance, the 4th capacitance
Second end connects the first end of the 3rd resistor, and the second end of the 3rd resistor connects the negative input end of the frequency divider.
7. according to claim 3-6 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.
8. according to claim 3-7 any one of them multiplex circuits, which is characterized in that the input terminal of the wireless charging circuit
Including the first charging input end and the second charging input end, first charging input end connects the positive output of the frequency divider
End, second charging input end connect the negative output terminal of the frequency divider.
9. multiplex circuit according to claim 8, 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.
10. a kind of wearable device, which is characterized in that including shell, loudspeaker assembly and such as any one of claim 1-11 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.
11. wearable device according to claim 10, 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.
12. a kind of wearable device Working mode switching method, which is characterized in that the method is applied to claim 10-11
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.
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| CN201810387041.9A CN108767950A (en) | 2018-04-26 | 2018-04-26 | Multiplex circuit, wearable device and wearable device Working mode switching method |
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| CN201810387041.9A CN108767950A (en) | 2018-04-26 | 2018-04-26 | Multiplex circuit, wearable device and wearable device Working mode switching method |
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Application publication date: 20181106 |