CN104362710B - Wireless charger and wireless charging system - Google Patents
Wireless charger and wireless charging system Download PDFInfo
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- CN104362710B CN104362710B CN201410557540.XA CN201410557540A CN104362710B CN 104362710 B CN104362710 B CN 104362710B CN 201410557540 A CN201410557540 A CN 201410557540A CN 104362710 B CN104362710 B CN 104362710B
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- H02J7/025—
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the invention discloses a wireless charger and a wireless charging system. The wireless charger includes: the alternating current is accessed from an external power socket, and the direct current is obtained after rectification and filtering and is respectively output to the power amplification module and the rectification module of the modulation module; the modulation module modulates the input direct current into a first radio frequency electric wave and outputs the first radio frequency electric wave obtained by modulation to the power amplification module; the power amplification module is used for amplifying the power of the input first radio frequency electric wave by using the input direct current to obtain a second radio frequency electric wave and outputting the second radio frequency electric wave to the stopping module; the isolation direct current processing is carried out on the input second radio frequency electric wave to obtain a third radio frequency electric wave, and the third radio frequency electric wave is output to a blocking module of the radio frequency emission module; and a radio frequency transmitting module for performing resonance processing on the input third radio frequency electric wave to obtain a fourth radio frequency electric wave and transmitting the obtained fourth radio frequency electric wave. By applying the invention, the use efficiency of the electronic equipment can be improved, and the charging efficiency of the power supply can be improved.
Description
Technical field
The present invention relates to computer equipment charging technique, more particularly to a kind of wireless charger and wireless charging system.
Background technology
With mobile communication technology, the especially development of 3G, 4G communication technology, computer equipment, for example, mobile electron sets
The function of mobile phone, personal digital assistant and Intelligent worn device in standby is stronger and stronger, and mobile electronic device passes through
Using open operating system, corresponding application program can be loaded to realize corresponding application function, as collection call, it is short
The comprehensive meter that letter, network insertion, video display amusement, network instant communication, e-Bank payment, online game, digital map navigation are integrated
Machine equipment is calculated, is user's life, work, leisure, the important carrier of amusement.
User's life, application function have increasingly been incorporated in mobile electronic device to be gradually improved, and have been brought great advantage to the user
And while improving Consumer's Experience, because the application program for loading is more and more, application function is more and more complete so that mobile
The power consumption of electronic equipment is increasing, due to the limitation of battery capacity in mobile electronic device, causes the battery electric quantity can
The time of work is also shorter and shorter, it is necessary to continually be charged or change reserve battery to ensure the normal of mobile electronic device
Operation.
It is existing that mobile electronic device is charged, typically using wired mode, will mobile electronic device by wired
Mode connects charger, and charger then inserted into power outlet again, but the method is, it is necessary to user carries connecting line at any time, and
Each power outlet is only available to a user and is charged, it is impossible to meet the charge requirement of multi-user, and works as user and forget to take
During band connecting line, will be unable to be charged, further, when mobile electronic device charges, user is if necessary to use movement
Electronic equipment, can only be centered on charger, in region of the connecting line as radius, using inconvenient, so as to have impact on
The applied business experience of user.
It is existing in order to avoid user leaves behind connecting line and a power supply is only the defect of mobile electronic device charging
There is technology to be improved for charger, i.e., using electromagnetic induction principle, charger is carried out with electronic equipment by coil
Electromagnetic induction, is charged so as to obtain electric energy from charger, i.e., transmit coil is set in charger, in mobile electronic device
Middle setting receiving coil, by applying the electric current of change in transmit coil to produce electromagnetic field to change, the electromagnetic field couples of change
To receiving coil so that receiving coil produces charging current or charging voltage, so as to realize the wireless charging to mobile electronic device
Electricity, without mobile electronic device and charger are carried out into wired connection by connecting line.But the method, because electromagnetic induction can
The distance of effect is extremely limited, generally least bit meter level, thus, it is possible to accommodate the mobile electronic device limited amount of charging, makes
The charge efficiency for obtaining power supply is not still high；Further, in mobile electronic device charging process, will be unable to use or be difficult to make
With mobile electronic device, that is to say, that when user carries out applied business using mobile electron by equipment, it is necessary to keep mobile electricity
The electromagnetic induction operating distance of the distance of sub- equipment and charger no more than coil, the applied business of inconvenient user makes
With, the service efficiency of mobile electronic device is reduced, also cause customer service to be experienced and decline.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of wireless charger and wireless charging system, lifts electronic equipment
Service efficiency, improve power supply charge efficiency.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
On the one hand, the embodiment of the present invention provides a kind of wireless charger, including：Rectification module, modulation module, power amplifier mould
Block, blocking module and radiofrequency emitting module, wherein,
Rectification module, for from external power receptacle incoming transport electricity, obtaining direct current after carrying out rectification and filtering, respectively
Export to power amplifier module and modulation module；
Modulation module, for the direct current of input to be modulated into the first rf wave, will modulate the first radio frequency electrical for obtaining
Ripple is exported to power amplifier module；
Power amplifier module, for the direct current using input, after the first rf wave to being input into carries out power amplification, obtains
Second rf wave is simultaneously exported to blocking module；
Blocking module, for the second rf wave being input into be carried out into isolated DC electric treatment, obtains the 3rd rf wave,
Export to radiofrequency emitting module；
Radiofrequency emitting module, for carrying out resonance treatment to the 3rd rf wave being input into, obtains the 4th rf wave, and
The 4th rf wave that will be obtained is launched, so as to after mobile electronic device receives the 4th rf wave of transmitting, carry out whole
Stream and filtering, obtain being used to the direct current for charging battery.
Preferably, the rectification module includes：Primary coil, secondary coil and current rectifying and wave filtering circuit, wherein,
Primary coil, for from external power receptacle incoming transport electricity, carrying out primary transformation；
Secondary coil, for coupling alternating current, the alternating current being depressured, input to rectifying and wave-filtering electricity from primary coil
Road；
Current rectifying and wave filtering circuit, for be input into alternating current carry out rectification and filtering, obtain direct current, and export respectively to
Power amplifier module and modulation module.
Preferably, the modulation module includes：Control circuit for pulse-width modulation and radio-frequency signal generator, wherein,
Control circuit for pulse-width modulation, for the direct current according to input, generates for controlling the first rf wave frequency
Pulse-width modulation control signal, output to radio-frequency signal generator；
Radio-frequency signal generator, for the pulse-width modulation control signal according to input, adjustment is given birth to according to the direct current of input
Into the first rf wave, the first rf wave for obtaining will be modulated and exported to power amplifier module.
Preferably, the radiofrequency emitting module includes：Resonant capacitance and transmitting antenna, wherein,
Resonant capacitance is in parallel with transmitting antenna, for constituting resonance circuit under the control of the 3rd rf wave, and to defeated
The 3rd rf wave for entering carries out resonance treatment, obtains the 4th rf wave, and the 4th rf wave that will be obtained is launched,
So as to after mobile electronic device receives the 4th rf wave of transmitting, carry out rectification and filtering, obtain being used to filling battery
The direct current of electricity.
Preferably, further include：
Overcurrent protection module, the output current for detecting power amplifier module, if the output current that detection is obtained exceedes in advance
The output current threshold value for first setting, notifies that modulation module reduces the first rf wave of output.
Preferably, further include：
Overtemperature prote module, for detecting power tube temperature in power amplifier module, if the power tube temperature that detection is obtained surpasses
The temperature threshold for pre-setting is crossed, the fan started in power amplifier module is lowered the temperature.
Preferably, further include：Rf wave adjustment module, transmission power detection module, receiving power module and
Power conditioning module, wherein,
Rf wave adjustment module, the resonant parameter for adjusting radiofrequency emitting module so that the 4th rf wave frequency
Change in 110-205KHz, and in the 4th rf wave of transmitting, carrying requires that mobile electronic device reports receiving power
Information；
Transmission power detection module, for rf wave adjustment module each time adjust the 4th rf wave frequency after,
Detect the transmission power of radiofrequency emitting module；
Receiving power module, for after rf wave adjustment module each time adjusts the 4th rf wave frequency, receiving
The receiving power that mobile electronic device is reported；
Power conditioning module, for after rf wave adjustment module each time adjusts the 4th rf wave frequency, calculating
Receiving power and the business of transmission power, obtain charge efficiency, obtain the 4th rf wave frequency during charge efficiency highest, regulation
The resonant parameter of radiofrequency emitting module so that fourth radio frequency of the 4th rf wave frequency stabilization in the charge efficiency highest
On wave frequency.
Preferably, further include：
Counting statistics module, for after the resonant parameter of rf wave adjustment module regulation radiofrequency emitting module, to new
The mobile electronic device that access wireless charger is charged is counted, when count value exceedes the count threshold for pre-setting,
Notify that rf wave adjustment module performs the flow of the resonant parameter of regulation radiofrequency emitting module, and count value is reset.
Preferably, further include：
Remaining charge volume statistical module, the resonant parameter for adjusting radiofrequency emitting module in rf wave adjustment module
Afterwards, the mobile electronic device that new access wireless charger is charged is detected, the mobile electronic device of each charging is counted
Charge volume is not completed, if the unfinished charge volume of statistics exceedes the unfinished charge volume threshold value for pre-setting, radio frequency electrical is notified
Ripple adjustment module performs the flow of the resonant parameter of regulation radiofrequency emitting module.
Preferably, further include：Counting statistics module and remaining charge volume statistical module, wherein,
Counting statistics module, for after the resonant parameter of rf wave adjustment module regulation radiofrequency emitting module, to new
The mobile electronic device that access wireless charger is charged is counted, when count value exceedes the count threshold for pre-setting,
Remaining charge volume statistical module is notified, and count value is reset；
Remaining charge volume statistical module, notifies for receiving, and counts the unfinished charging of the mobile electronic device of each charging
Amount, if the unfinished charge volume of statistics exceedes the unfinished charge volume threshold value for pre-setting, notifies rf wave adjustment module
Perform the flow of the resonant parameter of regulation radiofrequency emitting module.
Preferably, further include：AM access module, wireless communication module and charge control module, wherein,
AM access module, signal is accessed for broadcast wireless networks, and the wireless network for receiving mobile electronic device return connects
Enter response signal, the mobile electronic device is accessed into wireless charger；
Wireless communication module, for after mobile electronic device accesses wireless charger, receiving and coming from mobile electronic device
Charge request, to charge control module send charge notification；Receive the charge completion information from mobile electronic device, Xiang Chong
Electric control module sends charging termination and notifies；
Charge control module, the path for receiving charge notification, conducting rectification module and external power receptacle, so that whole
Flow module incoming transport electricity；Receive charging termination to notify, disconnect the path of rectification module and external power receptacle.
Preferably, further include：
Charge storage module, from after external power receptacle incoming transport electricity, rectification module is exported in rectification module
Direct current stored so that wireless charger is under the scene in the absence of alternating current, to power amplifier module and modulation module
The direct current of storage is exported, is charged with to the mobile electronic device for accessing wireless charger.
Wireless charger provided in an embodiment of the present invention, based on rf wave send-receive principle, rectification module is to exchange
Electricity carries out rectification, filtering, and direct current is modulated to rf wave and carries out power amplifier, blocking module pair through power amplifier module by modulation module
The rf wave of power amplifier carries out blocking treatment, and the electric wave that blocking treatment is obtained is converted to rf wave and carried out by radiofrequency emitting module
Wireless transmission.Due to being sent using rf wave mode, model can be launched to multiple wireless chargers that enter in the range of several meters
Mobile electronic device in enclosing provides charging so that the charge efficiency of power supply is effectively lifted, and is charged in mobile electronic device
During, user can use mobile electronic device in the range of several meters, extend User Activity scope, improve mobile electricity
The service efficiency of sub- equipment.
On the other hand, the embodiment of the present invention provides a kind of wireless charging system, including：Wireless charger and mobile electron
Equipment, wherein,
Wireless charger, for from external power receptacle incoming transport electricity, direct current being obtained after carrying out rectification and filtering, will
The direct current for obtaining is modulated to the first rf wave, and using the direct current for obtaining, the first rf wave to modulating carries out work(
Rate is amplified, and obtains the second rf wave, and the second rf wave that will be obtained carries out isolated DC electric treatment, obtains the 3rd radio frequency electrical
Ripple, the 3rd rf wave to obtaining carries out resonance treatment, obtains the 4th rf wave, and the 4th rf wave that will be obtained enters
Row transmitting；
Mobile electronic device, the 4th rf wave for receiving wireless charger transmitting, carries out rectification and filtering, obtains
It is used to the direct current charged to battery and battery is charged.
Preferably, the wireless charger includes：Rectification module, modulation module, power amplifier module, blocking module and radio frequency
Transmitter module, wherein,
Rectification module, for from external power receptacle incoming transport electricity, obtaining direct current after carrying out rectification and filtering, respectively
Export to power amplifier module and modulation module；
Modulation module, for the direct current of input to be modulated into the first rf wave, will modulate the first radio frequency electrical for obtaining
Ripple is exported to power amplifier module；
Power amplifier module, for the direct current using input, after the first rf wave to being input into carries out power amplification, obtains
Second rf wave is simultaneously exported to blocking module；
Blocking module, for the second rf wave being input into be carried out into isolated DC electric treatment, obtains the 3rd rf wave,
Export to radiofrequency emitting module；
Radiofrequency emitting module, for carrying out resonance treatment to the 3rd rf wave being input into, obtains the 4th rf wave, and
The 4th rf wave that will be obtained is launched, so as to after mobile electronic device receives the 4th rf wave of transmitting, carry out whole
Stream and filtering, obtain being used to the direct current for charging battery.
Preferably, the mobile electronic device includes：Receiver Module, rectification filtering module and charging module, its
In,
Receiver Module, the 4th rf wave for receiving wireless charger transmitting, output to rectification filtering module；
Rectification filtering module, for carrying out rectifying and wave-filtering to the 4th rf wave being input into obtain direct current, output is extremely
Charging module；
Charging module, charges for the direct current according to input to battery.
Preferably, the Receiver Module includes：Resonance receives electric capacity and reception antenna, wherein,
Resonance receive electric capacity it is in parallel with reception antenna, composition resonance circuit, the resonant frequency of the resonance circuit with it is described
The resonant frequency of resonant capacitance and transmitting antenna is consistent, for making reception antenna receive the 4th rf wave.
Preferably, further include：Electric quantity monitoring module, network access module and communication module, wherein,
Electric quantity monitoring module, for monitoring battery electric quantity, if the battery electric quantity that monitoring is obtained is less than the electricity for pre-setting
Amount threshold value, notifies network access module；After battery charging complete is monitored, communication module is notified；
Network access module, notifies for receiving, and the wireless network of search wireless charger broadcast accesses signal, if searched
Rope accesses signal to wireless network, and the wireless network obtained according to search accesses signal and accesses wireless charger；
Communication module, for after wireless charger is accessed, charge request being sent to wireless charger；Receive electric quantity monitoring
The notice that module sends, charge completion information is sent to wireless charger.
Wireless charging system provided in an embodiment of the present invention, based on rf wave send-receive principle, wireless charger pair
Alternating current carries out rectification, filtering, and direct current is modulated into rf wave and power amplifier is carried out, and the rf wave to power amplifier carries out blocking
Treatment, the electric wave that blocking treatment is obtained is converted into rf wave carries out wireless transmission, and mobile electronic device receives rf wave,
Rectification and filtering are carried out, obtains being used to the direct current for charging battery and charging battery.Due to using radio frequency electrical
Ripple mode sends, and can be provided to multiple mobile electronic devices entered in wireless charger transmitting boundary in the range of several meters and filled
Electricity so that the charge efficiency of power supply is effectively lifted, and in mobile electronic device charging process, user can be in several meters of model
Interior use mobile electronic device is enclosed, User Activity scope is extended, the service efficiency of mobile electronic device is improve.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is embodiment of the present invention wireless charger structural representation；
Fig. 2 is embodiment of the present invention wireless charging system structural representation.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
It will be appreciated that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
Its embodiment, belongs to the scope of protection of the invention.
Fig. 1 is embodiment of the present invention wireless charger structural representation.Referring to Fig. 1, the wireless charger includes：Rectification mould
Block 101, modulation module 102, power amplifier module 103, blocking module 104 and radiofrequency emitting module 105, wherein,
Rectification module 101, for from external power receptacle incoming transport electricity, direct current being obtained after carrying out rectification and filtering,
Export respectively to power amplifier module 103 and modulation module 102；
In the embodiment of the present invention, full-wave rectification can be used to obtain direct current, it would however also be possible to employ halfwave rectifier is obtaining
Direct current, can also use bridge rectifier to obtain direct current etc., and the embodiment of the present invention is not construed as limiting to this.
Used as alternative embodiment, rectification module 101 includes：Primary coil, secondary coil and current rectifying and wave filtering circuit are (in figure
It is not shown), wherein,
Primary coil, for from external power receptacle incoming transport electricity, carrying out primary transformation；
Secondary coil, for coupling alternating current, the alternating current being depressured, input to rectifying and wave-filtering electricity from primary coil
Road；
Current rectifying and wave filtering circuit, for be input into alternating current carry out rectification and filtering, obtain direct current, and export respectively to
Power amplifier module 103 and modulation module 102.
In the embodiment of the present invention, current rectifying and wave filtering circuit is foregoing full-wave rectifying circuit, or half-wave rectifying circuit, or bridge-type
Rectification circuit.
Modulation module 102, for the direct current of input to be modulated into the first rf wave, will modulate the first radio frequency for obtaining
Electric wave output is to power amplifier module 103；
In the embodiment of the present invention, used as alternative embodiment, modulation module 102 includes：Pulsewidth modulation (PWM, Pulse
Width Modulation) control circuit and radio-frequency signal generator (not shown), wherein,
Control circuit for pulse-width modulation, for the direct current according to input, generates for controlling the first rf wave frequency
Pulse-width modulation control signal, output to radio-frequency signal generator；
In the embodiment of the present invention, used as an alternative embodiment, control circuit for pulse-width modulation can be an ON-OFF control circuit,
ON-OFF control circuit can be field-effect transistor or CMOS transistor etc..By taking field-effect transistor as an example, field
The grid of effect transistor accesses direct current, and drain output pulse width modulation control signal, source ground.
Radio-frequency signal generator, for the pulse-width modulation control signal according to input, adjustment is given birth to according to the direct current of input
Into the first rf wave, the first rf wave for obtaining will be modulated and exported to power amplifier module 103.
It is preferred that the first rf wave is a square wave.The amplitude and dutycycle of square wave can be believed according to pulse width modulation controlled
Number it is adjusted.In practical application, can also according to actual needs, amplitude and dutycycle to square wave carry out real-time adjustment.
Power amplifier module 103, for the direct current using input, after the first rf wave to being input into carries out power amplification,
Obtain the second rf wave and export to blocking module 104；
Blocking module 104, for the second rf wave being input into be carried out into isolated DC electric treatment, obtains the 3rd radio frequency electrical
Ripple, output to radiofrequency emitting module 105；
In the embodiment of the present invention, blocking module 104 can be electric capacity.
Radiofrequency emitting module 105, for carrying out resonance treatment to the 3rd rf wave being input into, obtains the 4th radio frequency electrical
Ripple, and the 4th rf wave that will be obtained launched, so as to after mobile electronic device receives the 4th rf wave of transmitting, enter
Row rectification and filtering, obtain being used to the direct current for charging battery.
In the embodiment of the present invention, because the charge frequency that radio rechargeable standard specifies is 110-205KHz, thus, pass through
The 4th rf wave frequency that resonance treatment is obtained is 110-205KHz.Place on the 4th rf wave to be carried out radio-frequency transmissions
Reason flow is known technology, detailed description is omitted here.
Used as an alternative embodiment, radiofrequency emitting module 105 includes：Resonant capacitance and transmitting antenna (do not show in figure
Go out), wherein,
Resonant capacitance is in parallel with transmitting antenna, for constituting resonance circuit under the control of the 3rd rf wave, and to defeated
The 3rd rf wave for entering carries out resonance treatment, obtains the 4th rf wave, and the 4th rf wave that will be obtained is launched,
So as to after mobile electronic device receives the 4th rf wave of transmitting, carry out rectification and filtering, obtain being used to filling battery
The direct current of electricity.
Used as an alternative embodiment, the wireless charger can further include：
Overcurrent protection module 106, the output current for detecting power amplifier module 103, if the output current that detection is obtained
More than the output current threshold value for pre-setting, notify that modulation module 102 reduces the first rf wave of output.
Used as another alternative embodiment, the wireless charger can further include：
Overtemperature prote module 107, for detecting power tube temperature in power amplifier module 103, if the power tube that detection is obtained
Temperature exceedes the temperature threshold for pre-setting, and the fan started in power amplifier module 103 is lowered the temperature.
It is preferred that the charge efficiency in order to effectively lift wireless charger so that the charge efficiency of wireless charger reaches
Optimal, the wireless charger can further include：Rf wave adjustment module 108, transmission power detection module 109, connect
Power model 110 and power conditioning module 111 are received, wherein,
Rf wave adjustment module 108, the resonant parameter for adjusting radiofrequency emitting module 105 so that the 4th radio frequency electrical
Wave frequency rate, changes in 110-205KHz, and in the 4th rf wave of transmitting, carrying requires that mobile electronic device is reported and connects
Receive the information of power；
In the embodiment of the present invention, the 4th rf wave frequency, example can be adjusted according to the frequency regulation threshold value for pre-setting
Such as, threshold value is adjusted by frequency of 5KHz.I.e. by adjusting resonant parameter so that the 4th rf wave frequency is sequentially：110KHz、
115KHz、120KHz、...、200KHz、205KHz。
Transmission power detection module 109, for adjusting the 4th radio frequency electrical wave frequency in rf wave adjustment module 108 each time
After rate, the transmission power of radiofrequency emitting module 105 is detected；
Receiving power module 110, for adjusting the 4th rf wave frequency in rf wave adjustment module 108 each time
Afterwards, the receiving power that mobile electronic device is reported is received；
In the embodiment of the present invention, if multiple mobile electronic devices are charging, then each mobile electron for calculating reception sets
The standby receiving power sum for reporting, as connecing after the 4th rf wave frequency of regulation of rf wave adjustment module 108 each time
Receive power.
Power conditioning module 111, for adjusting the 4th rf wave frequency in rf wave adjustment module 108 each time
Afterwards, the business of receiving power and transmission power is calculated, charge efficiency is obtained, the 4th radio frequency electrical wave frequency during charge efficiency highest is obtained
Rate, adjusts the resonant parameter of radiofrequency emitting module 105 so that the 4th rf wave frequency stabilization is in the charge efficiency highest
The 4th rf wave frequency on.
In practical application, in order to avoid often have a new mobile electronic device access wireless charger charged, it is necessary to
Frequent operation, the embodiment of the present invention caused by the resonant parameter of the regulation radiofrequency emitting module 105 of rf wave adjustment module 108
In, the wireless charger can further include：Counting statistics module 112 and remaining charge volume statistical module 113, its
In,
Counting statistics module 112, for the resonance ginseng in the regulation radiofrequency emitting module 105 of rf wave adjustment module 108
After number, the mobile electronic device that new access wireless charger is charged is counted, when count value exceedes what is pre-set
Count threshold, notifies remaining charge volume statistical module 113, and count value is reset；
In the embodiment of the present invention, count threshold can be configured according to actual needs, for example, could be arranged to 2,4,5
Deng.Only after the mobile electronic device number that new access wireless charger is charged exceedes the count threshold, can just trigger and penetrate
Frequency electric wave adjustment module 108 carries out the possibility of resonant parameter regulation.
Remaining charge volume statistical module 113, notifies, the unfinished of mobile electronic device for counting each charging is filled for receiving
Electricity, if the unfinished charge volume of statistics exceedes the unfinished charge volume threshold value for pre-setting, notifies rf wave regulation mould
Block 108 performs the flow of the resonant parameter of regulation radiofrequency emitting module 105.
In the embodiment of the present invention, the mobile electronic device number charged in new access wireless charger exceedes count threshold
Afterwards, determine whether whether the total unfinished charge volume of each mobile electronic device exceedes the unfinished charge volume threshold for pre-setting
Value, if it is, the resonant parameter of radiofrequency emitting module 105 can be adjusted, so that radiofrequency emitting module 105 is operated in optimal shape
State, if it is not, then without regulation.
In the embodiment of the present invention, not completing charge volume threshold value can be configured according to actual needs.
Certainly, in practical application, as another alternative embodiment, avoiding often thering is a new mobile electronic device to access nothing
Line charger is charged, it is necessary to caused by the resonant parameter of the regulation radiofrequency emitting module 105 of rf wave adjustment module 108 frequently
During numerous operation, wireless charger can only include counting statistics module 112 or remaining charge volume statistical module 113.For example, to divide
Bao Han not be as a example by counting statistics module 112 and remaining charge volume statistical module 113, then wireless charger may further include：
Counting statistics module 112, for the resonance ginseng in the regulation radiofrequency emitting module 105 of rf wave adjustment module 108
After number, the mobile electronic device that new access wireless charger is charged is counted, when count value exceedes what is pre-set
Count threshold, notifies that rf wave adjustment module 108 performs the flow of the resonant parameter of regulation radiofrequency emitting module 105, and will
Count value resets.
Used as yet another alternative embodiment, wireless charger may further include：
Remaining charge volume statistical module 113, in the regulation radiofrequency emitting module 105 of rf wave adjustment module 108
After resonant parameter, the new mobile electricity for accessing the mobile electronic device that wireless charger is charged, counting each charging is detected
The unfinished charge volume of sub- equipment, if the unfinished charge volume of statistics exceedes the unfinished charge volume threshold value for pre-setting, leads to
Know that rf wave adjustment module 108 performs the flow of the resonant parameter of regulation radiofrequency emitting module 105.
In the embodiment of the present invention, when wireless charger charges to each mobile electronic device, by traveling through radio
The charge frequency that rechargeable standard specifies, and at each frequency, gather the transmission power of radiofrequency emitting module 105 and each movement
The receiving power of electronic equipment, so that the charge efficiency of wireless charger is calculated, when therefrom can obtain optimal charge efficiency
The tranmitting frequency of corresponding radiofrequency emitting module 105, and make radiofrequency emitting module 105 stable in the tranmitting frequency, Neng Goubao
The charge efficiency for demonstrate,proving wireless charger is optimal.
Used as yet another alternative embodiment, the wireless charger can further include：AM access module, wireless communication module
And charge control module (not shown), wherein,
AM access module, signal is accessed for broadcast wireless networks, and the wireless network for receiving mobile electronic device return connects
Enter response signal, the mobile electronic device is accessed into wireless charger；
In the embodiment of the present invention, wireless charger is built-in with wireless network card, can send wireless signal by wireless network card,
For example, wireless network accesses signal, rf wave etc..
Used as an alternative embodiment, wireless network card can be bluetooth network card, by low-power consumption bluetooth (Bluetooth LE,
Bluetooth Low Energy) location technology search coverage in mobile electronic device.As another alternative embodiment,
Wireless network card can also be Wireless Fidelity (Wi-Fi, Wireless Fidelity) network interface card, for example, for being built-in with Wireless Fidelity
The wireless charger of network interface card, it is equivalent to a Wireless Fidelity router or Wireless Fidelity access point (AP, Access Point).
In practical application, AM access module can access signal by timing mode broadcast wireless networks, it is also possible to by not
Timing mode broadcast wireless networks access signal.
Wireless communication module, for after mobile electronic device accesses wireless charger, receiving and coming from mobile electronic device
Charge request, to charge control module send charge notification；Receive the charge completion information from mobile electronic device, Xiang Chong
Electric control module sends charging termination and notifies；
Charge control module, the path for receiving charge notification, conducting rectification module 101 and external power receptacle, with
Make the incoming transport of rectification module 101 electricity；Receive charging termination to notify, disconnect the path of rectification module 101 and external power receptacle.
Used as yet another alternative embodiment, the wireless charger can further include：
Charge storage module (not shown), for rectification module 101 from external power receptacle incoming transport electricity after,
The direct current that rectification module 101 is exported is stored, so that wireless charger is under the scene in the absence of alternating current, to power amplifier
Module 103 and the direct current of the output storage of modulation module 102, fill with to the mobile electronic device for accessing wireless charger
Electricity.
From above-mentioned, the wireless charger of the embodiment of the present invention, based on rf wave send-receive principle, equivalent to
One signal tower, after being processed by carrying out rectification, filtering, modulation, power amplifier and blocking to alternating current, radiofrequency emitting module is by blocking
The electric wave that obtains for the treatment of is converted to rf wave carries out wireless transmission, and rf wave is high frequency electric, so as to by by Wi-Fi or
The Receiver Module that bluetooth connection accesses the mobile electronic device of wireless charger receives rf wave energy, carries out rectification filter
Direct current is obtained after ripple to be charged with to battery.Due to being charged using rf wave mode, can be in the range of several meters to many
Mobile electronic device in individual entrance wireless charger transmitting boundary provides charging, increased the mobile electron that can accommodate charging
Number of devices so that the charge efficiency of power supply is effectively lifted, can save and fill simultaneously for multiple mobile electronic devices charge
Time needed for electricity, also reduce charging cost；Further, in mobile electronic device charging process, user can be several
Mobile electronic device is used in the range of rice (rf wave operating distance), User Activity scope is extended, it is user friendly to answer
Used with business, improve the service efficiency of mobile electronic device, improve customer service experience.
Fig. 2 is embodiment of the present invention wireless charging system structural representation.Referring to Fig. 2, the wireless charging system includes：Nothing
Line charger 201 and mobile electronic device 202, wherein,
Used as alternative embodiment, the quantity of wireless charger 201 is 1, and the quantity of mobile electronic device 202 is one or more.
Wireless charger 201, for from external power receptacle incoming transport electricity, direct current being obtained after carrying out rectification and filtering
Electricity, the direct current that will be obtained is modulated to the first rf wave, and using the direct current for obtaining, the first rf wave to modulating enters
Row power amplification, obtains the second rf wave, and the second rf wave that will be obtained carries out isolated DC electric treatment, obtains the 3rd and penetrates
Frequency electric wave, the 3rd rf wave to obtaining carries out resonance treatment, obtains the 4th rf wave, and the 4th radio frequency electrical that will be obtained
Ripple is launched；
Mobile electronic device 202, the 4th rf wave for receiving the transmitting of wireless charger 201, carries out rectification and filter
Ripple, obtains being used to the direct current for charging battery and charging battery.
In the embodiment of the present invention, used as alternative embodiment, wireless charger 201 includes：Rectification module, modulation module, work(
Amplification module, blocking module and radiofrequency emitting module (not shown), wherein,
Rectification module, for from external power receptacle incoming transport electricity, obtaining direct current after carrying out rectification and filtering, respectively
Export to power amplifier module and modulation module；
Modulation module, for the direct current of input to be modulated into the first rf wave, will modulate the first radio frequency electrical for obtaining
Ripple is exported to power amplifier module；
Power amplifier module, for the direct current using input, after the first rf wave to being input into carries out power amplification, obtains
Second rf wave is simultaneously exported to blocking module；
Blocking module, for the second rf wave being input into be carried out into isolated DC electric treatment, obtains the 3rd rf wave,
Export to radiofrequency emitting module；
Radiofrequency emitting module, for carrying out resonance treatment to the 3rd rf wave being input into, obtains the 4th rf wave, and
The 4th rf wave that will be obtained is launched, so as to after mobile electronic device 202 receives the 4th rf wave of transmitting, carry out
Rectification and filtering, obtain being used to the direct current for charging battery.
Used as an alternative embodiment, the wireless charger 201 can further include：
Overcurrent protection module (not shown), the output current for detecting power amplifier module, if detection obtain it is defeated
Go out electric current and exceed the output current threshold value for pre-setting, notify that modulation module reduces the first rf wave of output.
Used as another alternative embodiment, the wireless charger 201 can further include：
Overtemperature prote module (not shown), for detecting power tube temperature in power amplifier module, if what detection was obtained
Power tube temperature exceedes the temperature threshold for pre-setting, and the fan started in power amplifier module is lowered the temperature.
Used as yet another alternative embodiment, the wireless charger 201 can further include：Rf wave adjustment module,
Transmission power detection module, receiving power module and power conditioning module (not shown), wherein,
Rf wave adjustment module, the resonant parameter for adjusting radiofrequency emitting module so that the 4th rf wave frequency
Change in 110-205KHz, and in the 4th rf wave of transmitting, carrying requires that mobile electronic device 202 reports reception work(
The information of rate；
Transmission power detection module, for rf wave adjustment module each time adjust the 4th rf wave frequency after,
Detect the transmission power of radiofrequency emitting module；
Receiving power module, for after rf wave adjustment module each time adjusts the 4th rf wave frequency, receiving
The receiving power that mobile electronic device 202 is reported；
Power conditioning module, for after rf wave adjustment module each time adjusts the 4th rf wave frequency, calculating
Receiving power and the business of transmission power, obtain charge efficiency, obtain the 4th rf wave frequency during charge efficiency highest, regulation
The resonant parameter of radiofrequency emitting module so that fourth radio frequency of the 4th rf wave frequency stabilization in the charge efficiency highest
On wave frequency.
Used as yet another alternative embodiment, the wireless charger 201 can further include：
Counting statistics module (not shown), the resonance for adjusting radiofrequency emitting module in rf wave adjustment module
After parameter, the mobile electronic device 202 that new access wireless charger 201 is charged is counted, when count value exceedes in advance
The count threshold for first setting, notifies that rf wave adjustment module performs the flow of the resonant parameter of regulation radiofrequency emitting module, and
Count value is reset.
Used as yet another alternative embodiment, the wireless charger 201 can further include：
Remaining charge volume statistical module (not shown), for adjusting radiofrequency emitting module in rf wave adjustment module
Resonant parameter after, detect it is new access the mobile electronic device 202 that wireless charger 201 is charged, count each charging
Mobile electronic device 202 unfinished charge volume, if the unfinished charge volume of statistics exceedes unfinished filling of pre-setting
Power threshold, notifies that rf wave adjustment module performs the flow of the resonant parameter of regulation radiofrequency emitting module.
Used as yet another alternative embodiment, the wireless charger 201 can further include：AM access module, radio communication
Module and charge control module (not shown), wherein,
AM access module, signal is accessed for broadcast wireless networks, receives the wireless network of the return of mobile electronic device 202
Response signal is accessed, the mobile electronic device 202 is accessed into wireless charger 201；
Wireless communication module, for after mobile electronic device 202 accesses wireless charger 201, receiving from mobile electricity
The charge request of sub- equipment 202, charge notification is sent to charge control module；Receive the charging from mobile electronic device 202
Completion information, sends charging termination and notifies to charge control module；
Charge control module, the path for receiving charge notification, conducting rectification module and external power receptacle, so that whole
Flow module incoming transport electricity；Receive charging termination to notify, disconnect the path of rectification module and external power receptacle.
Used as yet another alternative embodiment, the wireless charger 201 can further include：
Charge storage module (not shown), from after external power receptacle incoming transport electricity, incites somebody to action in rectification module
The direct current of rectification module output is stored, so that wireless charger 201 is under the scene in the absence of alternating current, to power amplifier mould
Block and the direct current of modulation module output storage, fill with to the mobile electronic device 202 for accessing wireless charger 201
Electricity.
In the embodiment of the present invention, used as alternative embodiment, mobile electronic device 202 includes：Receiver Module, rectification filter
Ripple module and charging module (not shown), wherein,
Receiver Module, the 4th rf wave for receiving the transmitting of wireless charger 201, output to rectifying and wave-filtering mould
Block；
In the embodiment of the present invention, used as alternative embodiment, Receiver Module includes：Resonance receives electric capacity and receives day
Line (not shown), wherein,
Resonance receive electric capacity it is in parallel with reception antenna, composition resonance circuit, the resonant frequency of the resonance circuit with it is described
The resonant frequency of resonant capacitance and transmitting antenna is consistent, for making reception antenna receive the 4th rf wave.
Rectification filtering module, for carrying out rectifying and wave-filtering to the 4th rf wave being input into obtain direct current, output is extremely
Charging module；
Charging module, charges for the direct current according to input to battery.
Used as another alternative embodiment, mobile electronic device 202 can further include：Electric quantity monitoring module, network
AM access module and communication module (not shown), wherein,
Electric quantity monitoring module, for monitoring battery electric quantity, if the battery electric quantity that monitoring is obtained is less than the electricity for pre-setting
Amount threshold value, notifies network access module；After battery charging complete is monitored, communication module is notified；
Network access module, notifies for receiving, and the wireless network of the search broadcast of wireless charger 201 accesses signal, such as
Fruit searches wireless network and accesses signal, and the wireless network obtained according to search accesses signal and accesses wireless charger 201；
Communication module, for after wireless charger 201 is accessed, charge request being sent to wireless charger 201；Receive electricity
The notice that amount monitoring modular sends, charge completion information is sent to wireless charger 201.
One of ordinary skill in the art will appreciate that all or part of flow in realizing above-described embodiment method, can be
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (RandomAccess
Memory, RAM) etc..
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (15)
1. a kind of wireless charger, it is characterised in that the wireless charger includes：Rectification module, modulation module, power amplifier module,
Blocking module, radiofrequency emitting module, rf wave adjustment module, transmission power detection module, receiving power module and power
Adjustment module, wherein,
Rectification module, for from external power receptacle incoming transport electricity, direct current being obtained after carrying out rectification and filtering, exports respectively
To power amplifier module and modulation module；
Modulation module, for the direct current of input to be modulated into the first rf wave, will modulate the first rf wave for obtaining defeated
Go out to power amplifier module；
Power amplifier module, for the direct current using input, after the first rf wave to being input into carries out power amplification, obtains second
Rf wave is simultaneously exported to blocking module；
Blocking module, for the second rf wave being input into be carried out into isolated DC electric treatment, obtains the 3rd rf wave, exports
To radiofrequency emitting module；
Radiofrequency emitting module, for carrying out resonance treatment to the 3rd rf wave being input into, obtains the 4th rf wave, and incite somebody to action
To the 4th rf wave launched so that mobile electronic device receive transmitting the 4th rf wave after, carry out rectification and
Filtering, obtains being used to the direct current for charging battery；
Rf wave adjustment module, the resonant parameter for adjusting radiofrequency emitting module so that the 4th rf wave frequency exists
Change in 110-205KHz, and in the 4th rf wave of transmitting, carrying requires that mobile electronic device reports receiving power
Information；
Transmission power detection module, for after rf wave adjustment module each time adjusts the 4th rf wave frequency, detecting
The transmission power of radiofrequency emitting module；
Receiving power module, for after rf wave adjustment module each time adjusts the 4th rf wave frequency, receiving movement
The receiving power that electronic equipment is reported, calculates the receiving power sum that each mobile electronic device for receiving is reported；
Power conditioning module, for after rf wave adjustment module each time adjusts the 4th rf wave frequency, calculating described
Receiving power sum and the business of transmission power, obtain charge efficiency, obtain the 4th rf wave frequency during charge efficiency highest,
Adjust radiofrequency emitting module resonant parameter so that the 4th rf wave frequency stabilization in the charge efficiency highest the 4th
In rf wave frequency.
2. wireless charger according to claim 1, it is characterised in that the rectification module includes：Primary coil, secondary
Coil and current rectifying and wave filtering circuit, wherein,
Primary coil, for from external power receptacle incoming transport electricity, carrying out primary transformation；
Secondary coil, for coupling alternating current, the alternating current being depressured, input to current rectifying and wave filtering circuit from primary coil；
Current rectifying and wave filtering circuit, for carrying out rectification and filtering to the alternating current being input into, obtains direct current, and export respectively to power amplifier
Module and modulation module.
3. wireless charger according to claim 1, it is characterised in that the modulation module includes：Pulse width modulation controlled
Circuit and radio-frequency signal generator, wherein,
Control circuit for pulse-width modulation, for the direct current according to input, generates the pulsewidth for controlling the first rf wave frequency
Modulation control signal, output to radio-frequency signal generator；
Radio-frequency signal generator, for the pulse-width modulation control signal according to input, adjustment is electrically generated according to the direct current of input
First rf wave, will modulate the first rf wave for obtaining and exports to power amplifier module.
4. wireless charger according to claim 1, it is characterised in that the radiofrequency emitting module includes：Resonant capacitance
And transmitting antenna, wherein,
Resonant capacitance is in parallel with transmitting antenna, for constituting resonance circuit under the control of the 3rd rf wave, and to input
3rd rf wave carries out resonance treatment, obtains the 4th rf wave, and the 4th rf wave that will be obtained is launched, so that
After mobile electronic device receives the 4th rf wave of transmitting, rectification and filtering are carried out, obtain being used to charge battery
Direct current.
5. the wireless charger according to any one of Claims 1-4, it is characterised in that further include：
Overcurrent protection module, the output current for detecting power amplifier module, if the output current that detection is obtained exceedes set in advance
The output current threshold value put, notifies that modulation module reduces the first rf wave of output.
6. the wireless charger according to any one of Claims 1-4, it is characterised in that further include：
Overtemperature prote module, for detecting power tube temperature in power amplifier module, if the power tube temperature that detection is obtained exceed it is pre-
The temperature threshold for first setting, the fan started in power amplifier module is lowered the temperature.
7. the wireless charger according to any one of Claims 1-4, it is characterised in that further include：
Counting statistics module, for after the resonant parameter of rf wave adjustment module regulation radiofrequency emitting module, to new access
The mobile electronic device that wireless charger is charged is counted, and when count value exceedes the count threshold for pre-setting, is notified
Rf wave adjustment module performs the flow of the resonant parameter of regulation radiofrequency emitting module, and count value is reset.
8. the wireless charger according to any one of Claims 1-4, it is characterised in that further include：
Remaining charge volume statistical module, for after the resonant parameter of rf wave adjustment module regulation radiofrequency emitting module, examining
Measure it is new access the mobile electronic device that wireless charger is charged, the mobile electronic device for counting each charging is not completed
Charge volume, if the unfinished charge volume of statistics exceedes the unfinished charge volume threshold value for pre-setting, notifies rf wave regulation
Module performs the flow of the resonant parameter of regulation radiofrequency emitting module.
9. the wireless charger according to any one of Claims 1-4, it is characterised in that further include：Counting statistics mould
Block and remaining charge volume statistical module, wherein,
Counting statistics module, for after the resonant parameter of rf wave adjustment module regulation radiofrequency emitting module, to new access
The mobile electronic device that wireless charger is charged is counted, and when count value exceedes the count threshold for pre-setting, is notified
Remaining charge volume statistical module, and count value is reset；
Remaining charge volume statistical module, notifies for receiving, and counts the unfinished charge volume of the mobile electronic device of each charging, such as
The unfinished charge volume of fruit statistics exceedes the unfinished charge volume threshold value for pre-setting, and notifies that rf wave adjustment module performs tune
Save the flow of the resonant parameter of radiofrequency emitting module.
10. the wireless charger according to any one of Claims 1-4, it is characterised in that further include：AM access module,
Wireless communication module and charge control module, wherein,
AM access module, signal is accessed for broadcast wireless networks, and the wireless network for receiving mobile electronic device return accesses sound
Induction signal, wireless charger is accessed by the mobile electronic device；
Wireless communication module, for after mobile electronic device accesses wireless charger, receiving filling from mobile electronic device
Electricity request, charge notification is sent to charge control module；The charge completion information from mobile electronic device is received, is controlled to charging
Molding block sends charging termination and notifies；
Charge control module, the path for receiving charge notification, conducting rectification module and external power receptacle, so that rectification mould
Block incoming transport electricity；Receive charging termination to notify, disconnect the path of rectification module and external power receptacle.
11. wireless charger according to any one of Claims 1-4, it is characterised in that further include：
Charge storage module, for rectification module from external power receptacle incoming transport electricity after, by rectification module export it is straight
Stream electricity is stored, so that wireless charger is under the scene in the absence of alternating current, is exported to power amplifier module and modulation module
The direct current of storage, charges with to the mobile electronic device for accessing wireless charger.
12. a kind of wireless charging systems, it is characterised in that the wireless charging system includes：Wireless charger and mobile electron
Equipment, wherein,
Wireless charger, for from external power receptacle incoming transport electricity, direct current being obtained after carrying out rectification and filtering, will obtain
Direct current be modulated to the first rf wave, and using the direct current for obtaining, the first rf wave to modulating carries out power and puts
Greatly, the second rf wave is obtained, the second rf wave that will be obtained carries out isolated DC electric treatment, obtains the 3rd rf wave,
The 3rd rf wave to obtaining carries out resonance treatment, obtains the 4th rf wave, and the 4th rf wave that will be obtained is carried out
Transmitting；Regulation resonant parameter so that the 4th rf wave frequency changes in 110-205KHz, and in the 4th radio frequency electrical of transmitting
In ripple, carrying requires that mobile electronic device reports the information of receiving power；After the 4th rf wave frequency of regulation each time, inspection
Survey transmission power；After the 4th rf wave frequency of regulation each time, the receiving power that mobile electronic device is reported is received, calculated
The receiving power sum that each mobile electronic device for receiving is reported；After the 4th rf wave frequency of regulation each time, institute is calculated
The business of receiving power sum and transmission power is stated, charge efficiency is obtained, the 4th radio frequency electrical wave frequency during charge efficiency highest is obtained
Rate, adjusts resonant parameter so that fourth radio frequency electrical wave frequency of the 4th rf wave frequency stabilization in the charge efficiency highest
In rate；
Mobile electronic device, the 4th rf wave for receiving wireless charger transmitting, carries out rectification and filtering, is used to
The direct current that is charged to battery simultaneously charges to battery.
13. wireless charging systems according to claim 12, it is characterised in that the wireless charger includes：Rectification mould
Block, modulation module, power amplifier module, blocking module and radiofrequency emitting module, wherein,
Rectification module, for from external power receptacle incoming transport electricity, direct current being obtained after carrying out rectification and filtering, exports respectively
To power amplifier module and modulation module；
Modulation module, for the direct current of input to be modulated into the first rf wave, will modulate the first rf wave for obtaining defeated
Go out to power amplifier module；
Power amplifier module, for the direct current using input, after the first rf wave to being input into carries out power amplification, obtains second
Rf wave is simultaneously exported to blocking module；
Blocking module, for the second rf wave being input into be carried out into isolated DC electric treatment, obtains the 3rd rf wave, exports
To radiofrequency emitting module；
Radiofrequency emitting module, for carrying out resonance treatment to the 3rd rf wave being input into, obtains the 4th rf wave, and incite somebody to action
To the 4th rf wave launched so that mobile electronic device receive transmitting the 4th rf wave after, carry out rectification and
Filtering, obtains being used to the direct current for charging battery.
14. wireless charging system according to claim 12 or 13, it is characterised in that the mobile electronic device includes：
Receiver Module, rectification filtering module and charging module, wherein,
Receiver Module, the 4th rf wave for receiving wireless charger transmitting, output to rectification filtering module；
Rectification filtering module, for carrying out rectifying and wave-filtering to the 4th rf wave being input into obtain direct current, output to charging
Module；
Charging module, charges for the direct current according to input to battery.
15. wireless charging systems according to claim 14, it is characterised in that further include：Electric quantity monitoring module, net
Network AM access module and communication module, wherein,
Electric quantity monitoring module, for monitoring battery electric quantity, if the battery electric quantity that monitoring is obtained is less than the electricity threshold for pre-setting
Value, notifies network access module；After battery charging complete is monitored, communication module is notified；
Network access module, notifies for receiving, and the wireless network of search wireless charger broadcast accesses signal, if searched
Wireless network accesses signal, and the wireless network obtained according to search accesses signal and accesses wireless charger；
Communication module, for after wireless charger is accessed, charge request being sent to wireless charger；Receive electric quantity monitoring module
The notice of transmission, charge completion information is sent to wireless charger.
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| US10193390B2 (en) | 2015-03-06 | 2019-01-29 | Mediatek Inc. | Wireless power transmitter configuration for power transmission through a partition |
| CN106300689B (en) * | 2015-06-04 | 2021-02-09 | 西安中兴新软件有限责任公司 | Wireless charging adjustment method and device and charged equipment |
| KR102514140B1 (en) * | 2015-08-12 | 2023-03-27 | 삼성전자주식회사 | Electronic device and method for controlling fan of the electronic device |
| CN106160266B (en) * | 2016-08-01 | 2018-11-02 | 中山职业技术学院 | A kind of charge control method of wireless charging control system |
| CN106532974A (en) * | 2016-10-31 | 2017-03-22 | 努比亚技术有限公司 | Wireless charging device and method |
| CN106787252A (en) * | 2017-03-02 | 2017-05-31 | 深圳市尧元科技有限公司 | A kind of wireless charging device state perception system |
| CN108539876A (en) * | 2018-01-17 | 2018-09-14 | 北京网信云服信息科技有限公司 | A kind of wireless charging transmitter and wireless charging receiver |
| CN109193965B (en) * | 2018-09-28 | 2021-10-08 | 重庆理工大学 | Blocking type parallel resonance wireless charging transmitting terminal |
| CN110696642B (en) * | 2019-09-27 | 2023-06-30 | 南京理工大学 | Wireless charging coupling mechanism based on inductance integrated LCC compensation topology |
| CN110718956B (en) * | 2019-11-04 | 2020-06-19 | 郑州工程技术学院 | Unmanned aerial vehicle's wireless charging control circuit |
| CN114243162B (en) * | 2020-09-09 | 2023-12-08 | 华为技术有限公司 | Battery heating method, device and equipment |
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| US8497658B2 (en) * | 2009-01-22 | 2013-07-30 | Qualcomm Incorporated | Adaptive power control for wireless charging of devices |
| CN102480155A (en) * | 2010-11-26 | 2012-05-30 | 上海晨兴希姆通电子科技有限公司 | Charging device |
| CN102013717B (en) * | 2010-12-03 | 2013-01-16 | 清华大学 | Wireless charging method with counterpoint automatic prompting function for implanted medical instrument |
| CN202260497U (en) * | 2011-08-06 | 2012-05-30 | 深圳雷柏科技股份有限公司 | Wireless charging device for wireless mouse/headset |
| WO2014039088A1 (en) * | 2012-09-07 | 2014-03-13 | Access Business Group International Llc | System and method for bidirectional wireless power transfer |
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