CN106787001A - A kind of wireless charging feedback method and system - Google Patents
A kind of wireless charging feedback method and system Download PDFInfo
- Publication number
- CN106787001A CN106787001A CN201710106354.8A CN201710106354A CN106787001A CN 106787001 A CN106787001 A CN 106787001A CN 201710106354 A CN201710106354 A CN 201710106354A CN 106787001 A CN106787001 A CN 106787001A
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- power supply
- signal
- wireless charging
- supply signal
- electric power
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010835 comparative analysis Methods 0.000 claims abstract description 19
- 230000009123 feedback regulation Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 230000033228 biological regulation Effects 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 37
- 230000005611 electricity Effects 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 10
- 230000001965 increasing effect Effects 0.000 claims description 4
- 230000004907 flux Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
Classifications
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- H02J7/025—
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
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- H02J7/042—
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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
Abstract
The invention discloses a kind of wireless charging feedback regulation method, comprise the following steps:S10, detect that electronic equipment to be charged receives by electric power supply signal, by electric power supply signal described in comparative analysis;S20, the basis analysis result by electric power supply signal, electrical feedback signal is received to wireless charging device feedback transmission;S30, the wireless charging device receive described by after electrical feedback signal, and regulation exports charge power supply signal.The present invention detect that electronic equipment to be charged receives by electric power supply signal, after electric power supply signal is received in comparative analysis, electrical feedback signal is received to wireless charging device feedback, wireless charging device is according to receiving by electrical feedback signal, the charge power supply of adjustment output in time, so that the charge efficiency of electronic equipment is maximum, it is to avoid the charging interval of electronic equipment is affected, and meets the charging interval demand of user.
Description
Technical field
The invention belongs to wireless charging technical field, more particularly to wireless charging feedback method and system.
Background technology
With the fast development of wireless charging technology, wireless charging electronic equipment is also more and more.Wireless charging, also referred to as
Induction charging, non-contact inductive charge, are sensed using near field, that is, inductive, (are charged by wireless charging device
Device) wireless receiving device is transmitted its energy to, the wireless receiving device is charged using the energy for receiving to battery.
When wireless charging is carried out to electronic equipment, it is necessary to electronic equipment to be charged is placed into wireless receiving device
It is wireless to receive on electric seat.When the non-correct placement of electronic equipment, charge coil and wireless receiving device in its wireless charging device
In the position of electricity reception coil the phenomenon that staggers occurs, so as to reduce the efficiency of transmission of magnetic field energy.Finally, electronics is caused to set
The standby charging interval increases, and influence user uses.
The content of the invention
The technical scheme that the present invention is provided is as follows:
The present invention provides a kind of wireless charging feedback regulation method, comprises the following steps:S10, detecting electronics to be charged set
It is standby receive by electric power supply signal, by electric power supply signal described in comparative analysis;S20, basis are described to be divided by electric power supply signal
Analysis result, sends to wireless charging device feedback and receives electrical feedback signal;S30, the wireless charging device receive described anti-by electricity
After feedback signal, regulation output charge power supply signal.
Further, further included in the step S20:S21, when the analysis result be described small by electric power supply signal
When the default power supply signal by electricity, sent to wireless charging device feedback and receive electrical feedback signal.
Further, the step S30 is further included:S31, the wireless charging device receive described by electrical feedback signal
Afterwards, the charging current in increase output charge power supply signal.
Further, further included in the step S20:S22, when the analysis result for described by electric power supply signal etc.
When the default power supply signal by electricity, stop being sent by electrical feedback signal to wireless charging device feedback;The step S30 enters
One step includes:After S32, the wireless charging device are not received by electrical feedback signal, charge power supply signal is persistently exported.
Further, also included before the step S10:S01, the access signal for detecting the electronic equipment to be charged,
Charging control signal is sent to wireless charging device feedback;S02, the wireless charging device receive the charge control letter
After number, output or stopping export charge power supply signal.
The present invention also provides a kind of wireless charging looped system, including wireless receiving device and wireless charging device,
The wireless receiving device includes signal detection module and comparative analysis module, and the signal detection module is to be charged for detecting
Electronic equipment receive by electric power supply signal, the comparative analysis module is used for described in comparative analysis by electric power supply signal;Institute
Stating wireless receiving device is also included by electric communication module, for according to the analysis result by electric power supply signal, to wireless charging
Electric installation feedback sends receives electrical feedback signal;The wireless charging device includes charging communication module and charge control module, institute
State charging communication module described by after electrical feedback signal for receiving, the charge control module is used to adjust output charge power supply
Signal.
Further, it is described by electric communication module, for receiving electric power supply signal less than default for described when the analysis result
During by electric power supply signal, sent to wireless charging device feedback and receive electrical feedback signal.
Further, the charging communication module is used to receive described by after electrical feedback signal, and the charge control module is used
Charging current in increase output charge power supply signal.
Further, it is described by electric communication module, for receiving electric power supply signal equal to default for described when the analysis result
During by electric power supply signal, stop being sent by electrical feedback signal to wireless charging device feedback;The charging communication module is used
After not receiving by electrical feedback signal, the charge control module is used to persistently export charge power supply signal.
Further, the signal detection module is additionally operable to detect the access signal of the electronic equipment to be charged, described to receive
Electric communication module is additionally operable to send charging control signal to wireless charging device feedback;The charging communication module is additionally operable to
After the wireless charging device receives the charging control signal, the charge control module is used to exporting or stopping output charging
Power supply signal.
Compared with prior art, the wireless charging feedback regulation method and system that the present invention is provided, with advantages below:
1), the present invention detect that electronic equipment to be charged receives by electric power supply signal, electric power supply letter is received in comparative analysis
After number, electrical feedback signal is received to wireless charging device feedback, wireless charging device according to receiving by electrical feedback signal, in time
Adjustment output charge power supply, so that the charge efficiency of electronic equipment is maximum, it is to avoid the charging interval of electronic equipment is subject to shadow
Ring, meet the charging interval demand of user.
Wherein, charge power supply signal is wirelessly exported using the charge coil in charge control module in wireless charging device,
Also using the reception feedback transmission of charging communication module by electrical feedback signal;Received using electricity reception coil in wireless receiving device and filled
Electric power supply signal, electrical feedback signal is received using being sent by electric communication module feedback;So that in charging process, while can realize
Output charge power supply semiotic function, moreover it is possible to realize receiving feedback signal function, and charge power supply signal is adopted with by electrical feedback signal
Different transmitting devices are used, is not made a difference mutually between two kinds of signals.
2), the present invention when by electric power supply signal less than the default power supply signal by electricity, fill by wireless charging device increase output
Charging current in electric power supply signal, even if the band non-correct placement of charged electronic equipment or other reasonses, also can guarantee that electronics sets
It is standby to complete to charge in normal time.
3), the present invention does not feed back to wireless charging device and sends out when the default power supply signal by electricity is equal to by electric power supply signal
Send by electrical feedback signal, wireless charging device persistently exports charge power supply signal with the charge power supply signal value of current output.
4), the present invention is when detecting electronic equipment to be charged and having accessed, wireless charging device output charge power supply signal;
When detecting electronic equipment to be charged and not accessing, wireless charging device stops output charge power supply signal.It is wireless so as to control
The working condition of charging device, charges in order to treat charged electronic equipment.
Brief description of the drawings
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, a kind of wireless charging is fed back and is adjusted
Above-mentioned characteristic, technical characteristic, advantage and its implementation for saving method and system are further described.
Fig. 1 is a kind of schematic flow sheet of wireless charging feedback regulation method of the invention;
Fig. 2 is the schematic flow sheet of another kind wireless charging feedback regulation method of the invention;
Fig. 3 is the schematic flow sheet of another wireless charging feedback regulation method of the invention;
Fig. 4 is a kind of composition structural representation of wireless charging looped system of the invention;
Fig. 5 is a kind of part composition structural representation of wireless charging looped system of the invention;
Fig. 6 is the composition structural representation of another kind wireless charging looped system of the invention.
Drawing reference numeral explanation:
10th, wireless charging device, 11, charging communication module, 12, charge control module, 121, control circuit, 122, charge
Circuit, 123, charge coil;
20th, wireless receiving device, 21, signal detection module, 22, comparative analysis module, 23, by electric communication module, 24, receive
Electric coil.
Specific embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, control is illustrated below
Specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing, and obtain other implementation methods.
To make simplified form, part related to the present invention is only schematically show in each figure, they are not represented
Its as product practical structures.In addition, so that simplified form is readily appreciated, there is identical structure or function in some figures
Part, only symbolically depicts one of those, or has only marked one of those.Herein, " one " is not only represented
" only this ", it is also possible to represent the situation of " more than one ".
As shown in figure 1, according to one embodiment of present invention, a kind of wireless charging feedback regulation method, including following step
Suddenly:S10, detect that electronic equipment to be charged receives by electric power supply signal, by electric power supply signal described in comparative analysis;
S20, the basis analysis result by electric power supply signal, to the transmission of the feedback of wireless charging device 10 by electric feedback letter
Number;
S30, the wireless charging device 10 receive described by after electrical feedback signal, and regulation exports charge power supply signal.
Specifically, electronic equipment to be charged is arranged on wireless receiving device 20, during wireless charging, using nothing
Charge coil 123 in line charging device 10 exports charge power supply signal to the electricity reception coil 24 in wireless receiving device 20, leads to
Electricity reception coil 24 is crossed to be charged to electronic equipment to be charged.Detect electronic equipment to be charged can be from waiting to fill by electric power supply signal
Detected at electric/electronic apparatus detected by electric power supply signal, or from electricity reception coil 24 by electric power supply signal;
Can, by inductance induced current, can also be coil flux amount by electric power supply signal;The electricity that charges is equally likely to by electric power supply signal
Source signal, is likely to less than charge power supply signal by electric power supply signal.When charge power supply signal is less than by electric power supply signal, nothing
The regulation output charge power supply signal of line charging device 10.
As shown in Fig. 2 according to another embodiment of the invention, a kind of wireless charging feedback regulation method, including it is following
Step:S10, detect that electronic equipment to be charged receives by electric power supply signal, by electric power supply signal described in comparative analysis;
S21, when the analysis result for it is described by electric power supply signal less than it is default by electric power supply signal when, to described wireless
The feedback of charging device 10 sends receives electrical feedback signal.
S22, when the analysis result for it is described by electric power supply signal be equal to it is default by electric power supply signal when, stop to described
The feedback of wireless charging device 10 sends receives electrical feedback signal.
S31, the wireless charging device 10 receive described by after electrical feedback signal, and increase is exported in charge power supply signal
Charging current.
After S32, the wireless charging device 10 are not received by electrical feedback signal, charge power supply signal is persistently exported.
Specifically, when charge coil 123 conveys charge power supply signal to electricity reception coil 24, circuit damage in itself is not considered
Time-consuming, charge coil 123 exports how many charge power supply signals, and electricity reception coil 24 receives how many charge power supply signals, and it is preset
Source current in the charge power supply signal exported equivalent to charge coil 123 by electric power supply signal;Considering circuit in itself
It is default to be subtracted loss current equal to source current by electric power supply signal during loss.When electric by electricity less than default by electric power supply signal
During source signal, it is less than normal by electric power supply signal that electricity reception coil 24 is received, and can influence the charging interval of electronic equipment, in order to meet
Requirement of the user to the electronic equipment charging interval, wireless charging device 10 is according to by electrical feedback signal, increase output charge power supply
The charging current of signal, then electricity reception coil 24 also can correspondingly be increased by electric power supply signal.
As shown in figure 3, according to still another embodiment of the invention, a kind of wireless charging feedback regulation method, including it is following
Step:S01, the access signal for detecting the electronic equipment to be charged, control of charging is sent to the feedback of the wireless charging device 10
Signal processed;
After S02, the wireless charging device 10 receive the charging control signal, output or stopping output charge power supply are believed
Number.
S10, detect that electronic equipment to be charged receives by electric power supply signal, by electric power supply signal described in comparative analysis;
S21, when the analysis result for it is described by electric power supply signal less than it is default by electric power supply signal when, to described wireless
The feedback of charging device 10 sends receives electrical feedback signal.
S22, when the analysis result for it is described by electric power supply signal be equal to it is default by electric power supply signal when, stop to described
The feedback of wireless charging device 10 sends receives electrical feedback signal.
S31, the wireless charging device 10 receive described by after electrical feedback signal, and increase is exported in charge power supply signal
Charging current.
After S32, the wireless charging device 10 are not received by electrical feedback signal, persistently in output charge power supply signal
Charging current.
Specifically, in charging process, the access signal includes having accessed signal and does not access signal;The control of charging
Signal processed includes the first charging control signal and the second charging control signal.When the access for detecting the electronic equipment to be charged
Signal sends the first charging control signal to have accessed signal to the feedback of wireless charging device 10;The wireless charging device 10
After receiving first charging control signal, charge power supply signal is exported.When the access for detecting the electronic equipment to be charged
Signal sends the second charging control signal not access signal to the feedback of wireless charging device 10;The wireless charging device 10
After receiving second charging control signal, stop output charge power supply signal.The battery electric quantity of electronic equipment to be charged is detected,
When battery electric quantity is equal to default battery electric quantity, its default battery electric quantity for electronic equipment rated cell capacity (for example
1300mAh), electronic equipment to be charged disconnects automatically, that is, do not access wireless receiving device 20.
As shown in Figure 4, Figure 5, according to one embodiment of present invention, a kind of wireless charging looped system, including:Nothing
Line current-collecting device 20 and wireless charging device 10, it is preferred that the wireless receiving device 20 includes that the signal being electrically connected to each other is detectd
Survey module 21 and by electric communication module 23, the signal detection module 21 is used to detect the access letter of the electronic equipment to be charged
Number, the access signal includes having accessed signal and does not access signal;It is described to be used for the wireless charging by electric communication module 23
The feedback of electric installation 10 sends charging control signal;The charging control signal includes the first charging control signal and the second charging control
Signal processed.
Preferably, the wireless charging device 10 includes the charging communication module 11 and the charge control module that are electrically connected to each other
12, after the charging communication module 11 receives the charging control signal for the wireless charging device 10, the control of charging
Molding block 12 is used to export or stop to export charge power supply signal.Specifically, the charge control module 12 includes control circuit
121st, charging circuit 122 and charge coil 123, are charged using controlling circuit 121 to control charging circuit 122 to export or stop output
Power supply signal, recycles charge coil 123 to be wirelessly transferred charge power supply signal.Electricity reception coil in wireless receiving device 20
The 24 charge power supply signals being an actually-received are referred to as by electric power supply signal.
The wireless receiving device 20 also includes electrically connecting respectively with the signal detection module 21, by electric communication module 23
Comparative analysis module 22, the signal detection module 21 is used to detecting that electronic equipment to be charged to receive by power supply letter
Number, the comparative analysis module 22 is used for described in comparative analysis by electric power supply signal.
It is described by electric communication module 23, for the analysis knot according to comparative analysis module 22 by electric power supply signal
Really, sent to the feedback of charging communication module 11 in wireless charging device 10 and receive electrical feedback signal.
Preferably, it is described by electric communication module 23, for receiving electric power supply signal less than pre- for described when the analysis result
If during by electric power supply signal, being sent to the feedback of charging communication module 11 in the wireless charging device 10 and receiving electrical feedback signal.Institute
State by electric communication module 23, for when the analysis result for it is described by electric power supply signal be equal to it is default by electric power supply signal when,
Stop being sent by electrical feedback signal to the feedback of charging communication module 11 in the wireless charging device 10.
The charging communication module 11 is used to receive described by after electrical feedback signal, and the charge control module 12 is used to adjust
Section output charge power supply signal.
Preferably, the charging communication module 11 is used to receiving described by after electrical feedback signal, the charge control module
12 are used to increase the charging current in output charge power supply signal.The charging communication module 11 is used to not receive to be fed back by electricity
After signal, the charge control module 12 is used to persistently export charge power supply signal.
As shown in fig. 6, according to another embodiment of the invention, a kind of wireless charging feedback regulation method, including:Control
Unit, charging circuit, the first wireless telecommunications feedback device, the second wireless telecommunications feedback device, wireless charging emitter (can be with
Charge coil), wireless charging receiver (can be electricity reception coil), comparator.
When the second wireless telecommunications feedback device is detected when fill device accesses wireless charging receiver, by signal hair
Give the first wireless telecommunications feedback device.First wireless telecommunications feedback device passes the signal to control unit.Control unit control
Charging circuit processed is charged, by the charge coil in wireless charging emitter, by rechargeable electrical energy in the way of electromagnetic wave
It is transferred to the electricity reception coil in wireless charging receiver.
After wireless charging receiver receives magnetic flux, with the prior optimal magnetic flux A (charge coils for prestoring in comparator
Magnetic flux when being overlapped with electricity reception coil) compare.If during B=A, wireless charging receiver does not send wireless signal, second
Wireless telecommunications feedback device does not receive signal, and control unit control charging circuit continues to charge.
If during B < A, wireless charging receiver transmits wireless signals to the second wireless telecommunications feedback device, and second is wireless
The wireless signal that communication feedback device will be received issues the first wireless telecommunications feedback device, and the first wireless telecommunications feedback device will be received
To wireless signal be sent to control unit.Control unit control charging circuit increases the charging current of charge coil, increases magnetic
Flux.Magnetic flux in electricity reception coil also increases therewith, stops increasing charging current when B=A.
The reception state of electricity reception coil is fed back into charging end, charging end can adjust defeated according to the working condition of electricity reception coil
Go out electric current, electricity reception coil is received the charging interval demand that bigger power meets user.When the second wireless telecommunications feedback device
Detecting sends the signal to the first wireless telecommunications feedback device less than when fill device accesses wireless charging receiver.The
One wireless telecommunications feedback device passes the signal to control unit.Control unit control charging circuit stops charging.
The magnetic flux conditions that electricity reception coil is received are fed back to charging end by the present invention, and charging end can receive according to wireless charging
The wireless signal that device sends adjusts output current, electricity reception coil is received the charging interval need that bigger power meets user
Ask.
Charge coil self can be adjusted, and the electric current of charge coil be increased, then the magnetic field energy of transmission will increase, together
The magnetic field energy that sample electricity reception coil is received can also increase, and the charging interval of such mobile phone is just unaffected.
It should be noted that above-described embodiment can independent assortment as needed.The above is only of the invention preferred
Implementation method, it is noted that for those skilled in the art, is not departing from the premise of the principle of the invention
Under, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of wireless charging feedback regulation method, it is characterised in that comprise the following steps:
S10, detect that electronic equipment to be charged receives by electric power supply signal, by electric power supply signal described in comparative analysis;
S20, the basis analysis result by electric power supply signal, electrical feedback signal is received to wireless charging device feedback transmission;
S30, the wireless charging device receive described by after electrical feedback signal, and regulation exports charge power supply signal.
2. wireless charging feedback regulation method as claimed in claim 1, it is characterised in that further wrapped in the step S20
Include:
S21, when the analysis result for it is described by electric power supply signal less than it is default by electric power supply signal when, to the wireless charging
Device feedback sends receives electrical feedback signal.
3. wireless charging feedback regulation method as claimed in claim 2, it is characterised in that the step S30 is further included:
S31, the wireless charging device receive described by after electrical feedback signal, and increase exports the charging electricity in charge power supply signal
Stream.
4. wireless charging feedback regulation method as claimed in claim 1, it is characterised in that further wrapped in the step S20
Include:
S22, when the analysis result for it is described by electric power supply signal be equal to it is default by electric power supply signal when, stop to described wireless
Charging device feedback sends receives electrical feedback signal;
The step S30 is further included:
After S32, the wireless charging device are not received by electrical feedback signal, charge power supply signal is persistently exported.
5. the wireless charging feedback regulation method as described in any one in Claims 1 to 4, it is characterised in that in the step
Also include before rapid S10:
S01, the access signal for detecting the electronic equipment to be charged, send charge control and believe to wireless charging device feedback
Number;
After S02, the wireless charging device receive the charging control signal, output or stopping export charge power supply signal.
6. a kind of wireless charging looped system, including wireless receiving device and wireless charging device, it is characterised in that:
The wireless receiving device includes signal detection module and comparative analysis module, and the signal detection module is treated for detecting
Charged electronic equipment receive by electric power supply signal, the comparative analysis module is used for described in comparative analysis by electric power supply letter
Number;
The wireless receiving device also includes by electric communication module, for according to the analysis result by electric power supply signal, to
Wireless charging device feedback sends receives electrical feedback signal;
The wireless charging device includes charging communication module and charge control module, and the charging communication module is used to receive institute
After stating by electrical feedback signal, the charge control module is used to adjust output charge power supply signal.
7. wireless charging looped system as claimed in claim 6, it is characterised in that:
It is described by electric communication module, for when the analysis result for it is described by electric power supply signal less than default by electric power supply signal
When, sent to wireless charging device feedback and receive electrical feedback signal.
8. wireless charging looped system as claimed in claim 7, it is characterised in that:
The charging communication module is used to receive described by after electrical feedback signal, and the charge control module is filled for increasing output
Charging current in electric power supply signal.
9. wireless charging looped system as claimed in claim 6, it is characterised in that:
It is described by electric communication module, for when the analysis result for it is described be equal to by electric power supply signal it is default by electric power supply signal
When, stop being sent by electrical feedback signal to wireless charging device feedback;
After the charging communication module is used to not receive by electrical feedback signal, the charge control module is used for persistently output and fills
Electric power supply signal.
10. the wireless charging looped system as described in any one in claim 6~9, it is characterised in that:
The signal detection module is additionally operable to detect the access signal of the electronic equipment to be charged, it is described by electric communication module also
For sending charging control signal to wireless charging device feedback;
After the charging communication module is additionally operable to the wireless charging device reception charging control signal, the charge control
Module is used to export or stop to export charge power supply signal.
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CN201710106354.8A CN106787001A (en) | 2017-02-27 | 2017-02-27 | A kind of wireless charging feedback method and system |
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Application publication date: 20170531 |