CN108429362A - Wireless charging device, wireless charging method, wireless charging system and mobile terminal - Google Patents
Wireless charging device, wireless charging method, wireless charging system and mobile terminal Download PDFInfo
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- CN108429362A CN108429362A CN201810367375.XA CN201810367375A CN108429362A CN 108429362 A CN108429362 A CN 108429362A CN 201810367375 A CN201810367375 A CN 201810367375A CN 108429362 A CN108429362 A CN 108429362A
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- 238000007600 charging Methods 0.000 title claims abstract description 887
- 238000000034 method Methods 0.000 title claims abstract description 61
- 230000015654 memory Effects 0.000 claims description 40
- 230000005611 electricity Effects 0.000 claims description 33
- 238000004891 communication Methods 0.000 claims description 32
- 238000004590 computer program Methods 0.000 claims description 27
- 230000006837 decompression Effects 0.000 claims description 17
- 230000006698 induction Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 4
- 230000037361 pathway Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 13
- 238000012545 processing Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003276 anti-hypertensive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
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- 238000013480 data collection Methods 0.000 description 1
- 201000001098 delayed sleep phase syndrome Diseases 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
-
- H02J7/0077—
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of wireless charging device, wireless charging method, wireless charging system and mobile terminals, and by the way that at least two charging circuits are arranged, which includes DC charging circuit, half pressure/multiplication of voltage charging circuit；Receiving unit, the electric signal for being generated by incuding external wireless charging unit, generates DC charging current；Charging control unit, the voltage value of DC charging current for obtaining receiving unit generation and the voltage value of battery, the judging result of relationship between the voltage value and pre-set threshold voltage of voltage value and battery based on DC charging current, it selects a charging circuit as the charging path of DC charging current at least two charging circuits, DC charging current is inputted into battery using charging path.So as to the voltage based on DC charging current and the relationship between the voltage of battery to be charged, selects corresponding charging circuit to charge for battery, improve wireless charging system energy conversion efficiency and charge efficiency.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of wireless charging device, wireless charging method, nothings
Micro USB electric system and mobile terminal.
Background technology
Wireless charging technology is popular charging technique at present, due between charger and power device with electromagnetic field
Energy is transmitted, is not run wires between the two, therefore charger and the device of electricity consumption can accomplish that no conductive junction point is exposed,
Have the characteristics that easy to use, good appearance brief introduction, is widely used in electronic product in such as mobile intelligent terminal.
In traditional wireless charging scheme, receiving terminal obtains being sent to after charging signals filling of being uniquely arranged by induction coil
Circuit, that is, DC decompression (DC-DC buck) circuit, inputs again after the processing such as the decompression of DC-DC buck circuits, harmonic wave
Battery realizes the charging to battery.
Due to needing the switch motion of increase inductance in DC-DC buck circuits, transistor (MOSFET) switch damage can be brought
Consumption and conduction loss, while inductance itself can also introduce conduction loss, magnetic saturation loss etc., due to these loss presence,
Cause existing wireless charging scheme entirety energy conversion efficiency relatively low, and causes to produce a large amount of heat during wireless charging
Amount carries out quick charge to limit existing wireless charging technology using high voltage, high current.Simultaneously as mobile terminal
Supply voltage stepping up, with the raising of cell voltage, traditional DC-DC buck charging schemes also give semiconductor
Preparation process brings more challenges.
Invention content
A kind of wireless charging device of present invention offer, wireless charging method, wireless charging system and mobile terminal, to solve
Existing wireless charging technology energy conversion efficiency is low, and energy loss is serious, cannot achieve high voltage, large current charge quick charge
The problem of.
On the one hand, an embodiment of the present invention provides a kind of wireless charging devices, are applied to mobile terminal, including：
At least two charging circuits are connect with the battery of the mobile terminal, and at least two charging circuit includes straight
Current charge circuit, half pressure/multiplication of voltage charging circuit；
Receiving unit, the electric signal for being generated by incuding external wireless charging unit, generates DC charging current；
Charging control unit, the voltage value for obtaining the DC charging current that the receiving unit generates and the electricity
The voltage value in pond, voltage value and the pre-set threshold value electricity of voltage value and the battery based on the DC charging current
The judging result of relationship between pressure selects a charging circuit as DC charging electricity at least two charging circuit
The DC charging current is inputted the battery, the charging control unit by the charging path of stream using the charging path
It is connect respectively with the receiving unit, at least two charging circuit, the battery.
On the other hand, the embodiment of the present invention additionally provides wireless charging method, is applied to mobile terminal, including：
The electric signal generated by incuding external wireless charging unit, generates DC charging current；
The voltage value of the DC charging current and the voltage value of battery in the mobile terminal are obtained, based on described straight
The judging result of relationship between the voltage value of current charge electric current and the voltage value and pre-set threshold voltage of the battery,
It selects a charging circuit as the charging path of the DC charging current at least two charging circuits, utilizes the charging
The DC charging current is inputted the battery by access, at least two DC charging current include DC charging circuit,
Half pressure/multiplication of voltage charging circuit.
On the other hand, the embodiment of the present invention additionally provides a kind of wireless charging system, including the first wireless charging device and
Second wireless charging device, wherein first wireless charging device includes the wireless charging that the embodiments of the present invention provide
Device；
First wireless charging device, the electric signal for being generated by incuding the second wireless charging device generate straight
Current charge electric current obtains the voltage value of the DC charging current and the voltage value of battery in the mobile terminal, is based on institute
State the judgement of relationship between the voltage value of DC charging current and the voltage value of the battery and pre-set threshold voltage
As a result, selecting a charging circuit as the charging path of the DC charging current at least two charging circuits, institute is utilized
It states charging path and the DC charging current is inputted into the battery, at least two DC charging current includes DC charging
Circuit, half pressure/multiplication of voltage charging circuit；
Second wireless charging device, for generating the electric signal.
On the other hand, the embodiment of the present invention additionally provides a kind of mobile terminal, including the embodiments of the present invention provide
Wireless charging device.
On the other hand, the embodiment of the present invention additionally provides a kind of mobile terminal, including：It processor, memory and is stored in
On the memory and the computer program that can run on the processor, the computer program are executed by the processor
The step of wireless charging method that the Shi Shixian embodiments of the present invention provide.
On the other hand, the embodiment of the present invention additionally provides a kind of computer readable storage medium, described computer-readable to deposit
It is stored with computer program on storage media, realizes that the embodiments of the present invention provide when the computer program is executed by processor
Wireless charging method the step of.
In this way, wireless charging device provided in an embodiment of the present invention, wireless charging method, wireless charging system and movement are eventually
End, by being arranged at least two charging circuits, at least two charging circuit includes that DC charging circuit, half pressure/multiplication of voltage are filled
Circuit；Receiving unit, the electric signal for being generated by incuding external wireless charging unit, generates DC charging current；It fills
Electric control unit, the voltage value of the DC charging current for obtaining receiving unit generation and the voltage value of battery, based on straight
The judging result of relationship between the voltage value of current charge electric current and the voltage value of battery and pre-set threshold voltage, extremely
It selects a charging circuit as the charging path of DC charging current in few two charging circuits, is filled direct current using charging path
Electric current inputs battery.So as to the voltage based on DC charging current and the relationship between the voltage of battery to be charged, selection
Corresponding charging circuit charges for battery, is remarkably improved the energy conversion efficiency and charge efficiency of wireless charging system.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is wireless charging circuit structural schematic diagram one provided in an embodiment of the present invention；
Fig. 2 is wireless charging circuit structural schematic diagram two provided in an embodiment of the present invention；
Fig. 3 is wireless charging circuit structural schematic diagram three provided in an embodiment of the present invention；
Fig. 4 is wireless charging circuit structural schematic diagram four provided in an embodiment of the present invention；
Fig. 5 is wireless charging circuit structural schematic diagram five provided in an embodiment of the present invention；
Fig. 6 is wireless charging method flow diagram one provided in an embodiment of the present invention；
Fig. 7 is wireless charging method flow diagram two provided in an embodiment of the present invention；
Fig. 8 is wireless charging system structural schematic diagram provided in an embodiment of the present invention；
Fig. 9 is the second wireless charging device structural schematic diagram provided in an embodiment of the present invention；
Figure 10 is mobile terminal structure schematic diagram one provided in an embodiment of the present invention；
Figure 11 is mobile terminal structure schematic diagram two provided in an embodiment of the present invention.
Specific implementation mode
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Unless otherwise defined, the technical term or scientific term used herein should be in fields of the present invention and has
The ordinary meaning that the personage of general technical ability is understood.Used in present patent application specification and claims " the
One ", " second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish different
Component part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but indicates that there are at least one.
" connection " either the similar word such as " connected " is not limited to physics or mechanical connection, but may include electrical
Connection, it is either directly or indirect."upper", "lower", "left", "right" etc. are only used for indicating relative position relation, work as quilt
After the absolute position of description object changes, then the relative position relation also correspondingly changes.
An embodiment of the present invention provides a kind of wireless charging devices 100, are applied to mobile terminal, as shown in Figure 1, this is wireless
Charging circuit can specifically include：
At least two charging circuits are connect with the battery of mobile terminal, and at least two charging circuit includes that direct current fills
Circuit 111, half pressure/multiplication of voltage charging circuit 112；
Receiving unit 120, the electric signal for being generated by incuding external wireless charging unit generate DC charging electricity
Stream；
Charging control unit 130, the voltage value and battery of the DC charging current for obtaining the generation of receiving unit 120
Voltage value, relationship between the voltage value and pre-set threshold voltage of voltage value and battery based on DC charging current
Judging result, select a charging circuit as the charging path of DC charging current at least two charging circuits, utilize
DC charging current is inputted battery by charging path, and charging control unit 130 charges with receiving unit 120, at least two respectively
Circuit, battery connection.
Since there is no setting inductance etc. in the charging circuits such as DC charging circuit 111, half pressure/multiplication of voltage charging circuit 112
The larger device of energy loss, energy loss is relatively low in realizing charging process, possesses higher energy transmission efficiency, so as to
The energy conversion efficiency and charge efficiency for significantly improving wireless charging device, mobile terminal occurs during avoiding wireless charging
The excessively high situation of temperature, it can be achieved that high voltage, high current wireless quick charge.
Known ripe, reliable DC charging circuit, half pressure/multiplication of voltage charging circuit conduct can be used in the embodiment of the present invention
Charging circuit.Meanwhile it can also be including other with low-power consumption at least two charging circuits involved by the embodiment of the present invention
And the charging current that charge efficiency is high.
Wireless charging device shown in the Fig. 1, can be based on the DC charging of the generation of receiving unit 120 when realizing charging process
The voltage value (i.e. the voltage value of sampled point A in Fig. 1) of electric current and the current voltage value of battery to be charged (i.e. sampled point B in Fig. 1
Voltage value) threshold voltage V with default setting△Between relation judgment result, select one in set charging circuit
The DC charging current is input to battery, to be embodied as battery by charging path of the charging circuit as DC charging current
Charging.
In one embodiment, which specifically may include：
When judging result is the first judging result, charging control unit 130 selects DC charging circuit 111 to be filled as direct current
DC charging current is inputted battery by the charging path of electric current using DC charging circuit 111, and first judging result is specific
It may include：The voltage value V of DC charging currentBWith the voltage value V of batteryABetween difference be more than zero and be less than threshold voltage V△,
That is 0 ＜ VB-VA＜ V△；
When judging result be the second judging result, charging control unit 130 select half pressure/multiplication of voltage charging circuit 112 as
DC charging current is inputted battery by the charging path of DC charging current using half pressure/multiplication of voltage charging circuit 112, this second
Judging result specifically may include：The voltage value V of DC charging currentBWith the voltage value V of twice of batteryABetween difference be more than zero
And it is less than threshold voltage V△, i.e. 0 ＜ VB-2VA＜ V△。
Threshold voltage V involved by the embodiment of the present invention△Concretely permit between DC charging current and the voltage of battery
Perhaps voltage difference, the voltage difference can be empirical value, can also be needed and be set based on practical application.
Since the inductance component for realizing antihypertensive effect need not be arranged in the embodiment of the present invention, to significantly improve nothing
The energy conversion efficiency and charge efficiency of micro USB electric installation.Experiments have shown that the wireless charging device that the embodiment of the present invention is provided
Electric energy conversion effect may be up to 98%.
And in another specific embodiment, as shown in Fig. 2, it includes DC charging circuit 111, half to be removed in the embodiment of the present invention
Can also include DC decompression (DC-DC buck) circuit 113, linear-charging (LDO) electricity except pressure/multiplication of voltage charging circuit 112
Other charging circuits such as road 114.
So when 130 obtained judging result of charging control unit is and the first judging result and the second judging result
When different third judging result, DC decompression charging circuit 113 or linear charging block may be selected in charging control unit 130
114 charging path as charging current.So as to make the wireless charging device that the embodiment of the present invention is provided have a variety of fill
The fulfillment capability of electric scheme, to adapt to charging modes and the requirement of different mobile terminal, it is ensured that the smooth reality of wireless charging process
It is existing.
As shown in Figure 1, 2, the receiving unit 120 involved by the embodiment of the present invention specifically may be provided with induction coil 121, connect
Receive the telecommunications that unit 120 incudes the generation of external wireless charging unit using the induction coil 121 by modes such as electromagnetic induction
Number, and the electric signal sensed conversion is generated into corresponding charging current.
In one embodiment, as shown in figure 3, may be provided with rectification unit 122, such as full-bridge in receiving unit 120
Rectification circuit etc., so as to which the electric signal of induction is converted to DC charging current.
As shown in figure 4, can also include specifically in the wireless charging device that the embodiment of the present invention is provided：
First communication unit 140, for passing through preset communication mode (such as bluetooth, infrared ray) or wireless charging device
The induction coil (induction coil 121 that concretely receiving unit 120 is arranged) of interior setting is communicated with external wireless charging unit.
The first communication unit 140 involved by the embodiment of the present invention, which can be used, has ripe communication device realization.To this
Inventive embodiments are not intended to limit.First communication unit 140 can be independently disposed in wireless charging device (as shown in Figure 4),
Also it can be built in charging control unit 130, so that the first communication unit 140 and charging control unit 130 are integrally disposed, with drop
The area of low wireless charging device.
The wireless charging device and external wireless that the embodiment of the present invention is provided can be achieved in the setting of first communication unit 140
Communication between charging unit (i.e. electric signal generating means), the communication specifically may include the interaction etc. of charge information.First is logical
Letter unit 140 can specifically be connect with charging control unit 130.
In one embodiment, charging control unit 130 can be additionally used in the voltage of the battery of mobile terminal according to acquisition
Information determines current information when battery charging, and by the first communication unit 140 by the information of voltage and battery of battery
Current information when charging is sent to external wireless charging unit, which can be based on the electricity of the battery of acquisition
Current information when information and battery being pressed to charge generates corresponding electric signal.
In the embodiment of the present invention, charging control unit 130 by acquiring the information of voltage of battery of mobile terminal, and base in real time
The information such as the current value of corresponding charging current are generated in the information of voltage, adjusting it to control external wireless charging unit is given birth to
At electric signal, it can be achieved that based on battery current electric quantity control external wireless charging unit charging different phase generate correspond to
Electric signal complete charging process so that wireless charging device generates corresponding DC charging current by incuding the electric signal.
In one embodiment, the charging control unit 130 involved by the embodiment of the present invention, it may also be used for by with it is outer
Portion's wireless charging device communication is to determine whether external wireless charging unit supports at least two involved by the embodiment of the present invention
The corresponding charging modes of charging circuit.
If external wireless charging unit supports the corresponding charging side of at least two charging circuits involved by inventive embodiments
Formula (supports one of which charging modes), and charging control unit 130 selects external wireless at least two charging circuits
Charging path of the charging circuit corresponding to charging modes that charging unit is supported as DC charging current.
In this way, may make wireless charging device provided in an embodiment of the present invention according to external wireless charging unit (i.e. telecommunications
Number generate and transmitting terminal) charging modes that can support automatically select corresponding charging circuit, with maximized promotions charging effect
Rate.
If external wireless charging unit does not support the corresponding charging of at least two charging circuits involved by inventive embodiments
Mode, charging control unit 130 can perform voltage value and battery based on DC charging current voltage value with pre-set
Threshold voltage between relationship judging result, selected at least two charging circuits a charging circuit as DC charging electricity
The charging path of stream.
In one embodiment, charging control unit 130 can also be used to detect the DC charging that receiving unit 120 generates
Current information when whether electric current charges with the battery voltage information of acquisition and/or battery is corresponding, that is, detects external wireless charging
Whether the electric signal that device generates is correct.
When the information of voltage for the battery that the DC charging current that receiving unit 120 generates is obtained with charging control unit 130
And/or current information of battery when charging to it is corresponding when charging control unit 130 it is executable by logical with external wireless charging unit
Letter is to determine whether external wireless charging unit supports the corresponding charging modes of at least two charging circuits.
When the information of voltage for the battery that the DC charging current that receiving unit 120 generates is obtained with charging control unit 130
And/or current information of battery when charging not to it is corresponding when charging control unit 130 DC charging current can be compensated,
And after compensation, current information when the first communication unit 140 of triggering again charges the information of voltage of battery and battery is sent
To external wireless charging unit, so that external wireless charging unit generates correct electric signal.After compensation, charging control unit
Whether 130 is executable by described in communicate with the external wireless charging unit and being supported with the determination external wireless charging unit
The corresponding charging modes of at least two charging circuits.
In one embodiment, as shown in figure 5, can also include specifically in wireless charging device：
Connection unit 150 is used for the judging result based on charging control unit 130, makes receiving unit 120 and judging result
Corresponding charging circuit connection, forms charging path.The connection unit 150 respectively with charging control unit 130, receiving unit
120, at least two charging circuits connect.
In specific implementation, which can be specifically made of transistor and/or selecting switch, and can be used
Know that ripe, reliable technical solution realizes that details are not described herein.
As described above, the charging control unit 130 involved by the embodiment of the present invention is the logic control of the wireless charging device
Unit processed carries out logic control by corresponding communication interaction to the other devices in wireless charging device, and with corresponding
Data collection and analysis function.
Existing more mature logic chip specifically can be used to realize in charging control unit 130, such as MSM8976,
MSM8996, MSM8953, MT6750, MT6752 etc. are executed instruction or program by inputting, can make above-mentioned logic core accordingly
Piece has the corresponding function of the charging control unit 130 involved by the embodiment of the present invention.
The charging control unit 130 is specific can also be with the central processing unit (Central included by mobile terminal
Processing Unit, abbreviation CPU) etc. devices communicated, to obtain corresponding charge control information and work energy
Deng.The charging control unit 130 can specifically pass through internal integrated circuit bus (The internal integrated
Circuit bus, abbreviation I2C) interface is communicated with CPU.
Charging control unit 130 can also pass through analog-to-digital conversion (Analog-to-Digital Converter, abbreviation ADC)
Circuit is connect with receiving unit 120.
In the embodiment of the present invention, concretely single battery core is constituted the battery in mobile terminal, also can be by least two battery cores
It is made up of series connection and/or parallel way.When battery is in series by more battery cores, with the increase of battery core, battery core connects it
Voltage afterwards is consequently increased, and the wireless charging device that the embodiment of the present invention is provided can according to cell voltage change from
Adjustment wireless charging voltage is adapted to, to realize that more battery cores wirelessly plug in scheme.
Wireless charging device provided in an embodiment of the present invention, by being arranged at least two charging circuits, described at least two
Charging circuit includes DC charging circuit, half pressure/multiplication of voltage charging circuit；Receiving unit, for by incuding external wireless charging
The electric signal that device generates generates DC charging current；Charging control unit, the DC charging for obtaining receiving unit generation
The voltage value of electric current and the voltage value of battery, the voltage value of voltage value and battery based on DC charging current with set in advance
The judging result of relationship between the threshold voltage set, selects a charging circuit as DC charging at least two charging circuits
DC charging current is inputted battery by the charging path of electric current using charging path.So as to the electricity based on DC charging current
Relationship between pressure and the voltage of battery to be charged selects corresponding charging circuit to charge for battery, is remarkably improved wireless charging
The energy conversion efficiency and charge efficiency of electric system.
The embodiment of the present invention additionally provides a kind of wireless charging method, and this method is particularly applicable to aforementioned present invention implementation
In the wireless charging circuit that example provides.
As shown in fig. 6, this method can specifically include：
Step 610, the electric signal generated by incuding external wireless charging unit, generates DC charging current；
Step 620, the voltage value for obtaining battery in the voltage value and mobile terminal of DC charging current, is filled based on direct current
The judging result of relationship between the voltage value of electric current and the voltage value of battery and pre-set threshold voltage, at least two
Select a charging circuit as the charging path of DC charging current in a charging circuit, it is using charging path that DC charging is electric
Stream input battery, at least two DC charging current includes DC charging circuit, half pressure/multiplication of voltage charging circuit.
The wireless charging method that the embodiment of the present invention is provided, voltage that can be based on DC charging current and battery to be charged
Voltage between relationship, select corresponding charging circuit for battery charge, be remarkably improved wireless charging system electric energy turn
Change efficiency and charge efficiency.
Between the voltage value and pre-set threshold voltage of above-mentioned voltage value and battery based on DC charging current
The judging result of relationship selects a charging circuit as the charging path of DC charging current at least two charging circuits,
The step of DC charging current is inputted battery using charging path can specifically include：
When judging result be the first judging result, select DC charging circuit 111 as DC charging current charging lead to
DC charging current is inputted battery by road using DC charging circuit 111, which specifically may include：Direct current fills
The voltage value V of electric currentBWith the voltage value V of batteryABetween difference be more than zero and be less than threshold voltage V△, i.e. 0 ＜ VB-VA＜
V△；
When judging result be the second judging result, select half pressure/multiplication of voltage charging circuit 112 to be filled as DC charging current
DC charging current is inputted battery by electric pathway using half pressure/multiplication of voltage charging circuit 112, which can specifically wrap
It includes：The voltage value V of DC charging currentBWith the voltage value V of twice of batteryABetween difference be more than zero and be less than threshold voltage V△,
That is 0 ＜ VB-2VA＜ V△。
Threshold voltage V involved by the embodiment of the present invention△Concretely permit between DC charging current and the voltage of battery
Perhaps voltage difference, the voltage difference can be empirical value, can also be needed and be set based on practical application.
Since the inductance component for realizing antihypertensive effect need not be arranged in the embodiment of the present invention, inductance can avoid
The problems such as existing conduction loss itself, magnetic saturation loss and high heat, to significantly improve the electricity of wireless charging device
Energy transfer efficiency and charge efficiency, there is the excessively high situation of temperature, it can be achieved that height in mobile terminal during avoiding wireless charging
The wireless quick charge of voltage, high current.Experiments have shown that the electric energy conversion for the wireless charging method that the embodiment of the present invention is provided
Effect may be up to 98%.
And in another specific embodiment, as shown in Fig. 2, it includes DC charging circuit 111, half to be removed in the embodiment of the present invention
Can also include DC decompression (DC-DC buck) circuit 113, linear-charging (LDO) electricity except pressure/multiplication of voltage charging circuit 112
Other charging circuits such as road 114.
So, the voltage value of above-mentioned voltage value and battery based on DC charging current and pre-set threshold voltage
Between relationship judging result, select a charging circuit logical as the charging of DC charging current at least two charging circuits
The step of DC charging current input battery, can also be included specifically by road using charging path：
When judging result is third judging result, DC decompression charging circuit 113 or linear charging block 114 is selected to make
It is using DC decompression charging circuit 113 or linear charging block 114 that DC charging is electric for the charging path of DC charging current
Stream input battery, the third judging result and the first judging result and the second judging result are different.
In this way, the wireless charging method that the embodiment of the present invention is provided can be made to have the fulfillment capabilities of a variety of charging schemes,
To adapt to charging scheme and the requirement of different mobile terminal, it is ensured that the smooth realization of wireless charging process.
In one embodiment, in the electric signal generated by incuding external wireless charging unit, charging current is generated
The step of before, this method can also include specifically：
Current information when battery charging is determined according to the information of voltage of the battery of acquisition, by preset communication mode or
Current information when induction coil charges the information of voltage of battery and battery is sent to external wireless charging unit, external nothing
Current information when information of voltage and battery of the micro USB electric installation based on the battery charge generates corresponding electric signal.
In the embodiment of the present invention, given birth to by acquiring the information of voltage of battery of mobile terminal in real time, and based on the information of voltage
The information such as the current value at corresponding charging current adjust its electric signal generated to control external wireless charging unit, can
Realize that the different phase based on battery current electric quantity control external wireless charging unit in charging generates corresponding electric signal, so that
Wireless charging device generates corresponding DC charging current by incuding the electric signal, completes charging process.
In the embodiment of the present invention, the battery in the voltage value and the mobile terminal for obtaining the DC charging current
After the step of voltage value, can also include specifically：
Determine it is of the invention real whether external wireless charging unit is supported by being communicated with external wireless charging unit
Apply the corresponding charging modes of at least two charging circuits involved by example；
If external wireless charging unit supports the corresponding charging modes of at least two charging circuits (one of which to be supported to fill
Electric mode), then select the charging modes of external wireless charging unit support are corresponding to fill at least two charging circuits
Charging path of the circuit as DC charging current.
In this way so that wireless charging method provided in an embodiment of the present invention can be supported according to external wireless charging unit
Charging scheme automatically select corresponding charging circuit, maximumlly to promote charge efficiency.
If external wireless charging unit does not support at least two charging circuits involved by the embodiment of the present invention are corresponding to fill
Electric mode, then between the voltage value and pre-set threshold voltage that execute voltage value and battery based on DC charging current
The judging result of relationship selects a charging circuit as the charging path of DC charging current at least two charging circuits.
In one embodiment, after the step of generating DC charging current, this method can also include specifically：
Electric current when whether detection DC charging current charges with the information of voltage of battery and/or battery obtained in advance is believed
Breath corresponds to；
Current information when DC charging current charges with the information of voltage of the battery and/or battery is corresponding, executes logical
It crosses and is communicated with external wireless charging unit with whether the determination external wireless charging unit supports at least two chargings electricity
The corresponding charging modes in road；
Current information when DC charging current charges with the information of voltage of the battery and/or battery is not corresponding, to straight
Current charge electric current compensates, and after compensation simultaneously, the current information when information of voltage of battery and battery charging again is sent
To external wireless charging unit, so that external wireless charging unit generates correct electric signal.Meanwhile after compensation, can also it hold
Row with the external wireless charging unit by communicating so that whether the determination external wireless charging unit supports described at least two
The corresponding charging modes of a charging circuit.
In the embodiment of the present invention, the step of DC charging current input battery, can specifically include using charging path：
Based on judging result, makes receiving unit charging circuit connection corresponding with judging result, form charging path.
The embodiment of the present invention additionally provides a kind of wireless charging method, and this method can be applied to the embodiments of the present invention and carry
In the wireless charging circuit and mobile terminal of confession.The wireless charging circuit include DC charging circuit 111 as indicated with 1,
Half pressure/multiplication of voltage charging circuit 112.
As shown in fig. 7, this method can specifically include：
Step 701, the information of voltage for obtaining battery of mobile terminal determines that battery fills according to the information of voltage of the battery of acquisition
Current information when electric.
The technical solution of arbitrary mature and reliable employed in the embodiment of the present invention is believed to obtain the voltage of battery of mobile terminal
Breath, and current information when known technology realization determines battery charging according to the information of voltage of the battery of acquisition can be used.
Step 702, the current information when information of voltage of battery and battery being charged is sent to external wireless charging dress
It sets.
When the information of voltage of battery and battery can specifically be charged by modes such as induction coil 121, bluetooth, infrared rays
Current information be sent to external wireless charging unit, adjust its electric signal generated to control external wireless charging unit,
To realize that the current electric quantity control external wireless charging unit based on battery generates corresponding telecommunications in the different phase of charging
Number.
Step 703, electricity when being charged by incuding information of voltage and battery of the external wireless charging unit based on battery
The electric signal that stream information generates generates DC charging current.
Specifically incude the electricity that external wireless charging unit is generated by modes such as electromagnetic induction using induction coil 121
Signal, and the electric signal sensed is converted into corresponding DC charging current by rectification processing.
Step 704, current information when whether detection DC charging current charges with the information of voltage and/or battery of battery
It is corresponding.
Show that the electric signal that external wireless charging unit generates is incorrect when testing result is not to corresponding to, it is follow-up executable
Step 705；Show that the electric signal that external wireless charging unit generates is correct when testing result is to corresponding to, DC charging electricity
Stream is required charging current, subsequently executable step 706.
Step 705, DC charging current is compensated.It is compensated to the information of voltage of battery by the DC charging current
And/or current information correspondence of battery when charging only has, and can return to and executes step 702, again by the information of voltage of battery and
Current information when battery charges is sent to external wireless charging unit, while can also carry out step 706.
Step 706, determine whether external wireless charging unit supports wireless charging by being communicated with external wireless charging unit
The corresponding charging modes of charging circuit being arranged in electric installation.
If external wireless charging unit supports the DC charging circuit 131 being arranged in wireless charging device, half pressure/multiplication of voltage to fill
Charging modes corresponding at least one of circuit 132, then subsequent execution step 707；
If external wireless charging unit does not support the DC charging circuit 131 being arranged in wireless charging device, half pressure/multiplication of voltage
Charging modes corresponding at least one of charging circuit 132, then subsequent execution step 708；
Step 707, the charging circuit corresponding to the charging modes of external wireless charging unit support is selected to be filled as direct current
The charging path of electric current.
Step 708, the voltage value of the voltage value based on DC charging current and battery and pre-set threshold voltage
Between relationship judging result, select corresponding charging circuit as straight in DC charging circuit, half pressure/multiplication of voltage charging circuit
The charging path of current charge electric current.
Specifically, as the voltage value V that judging result is DC charging currentBWith the voltage value V of batteryABetween difference
More than zero and it is less than threshold voltage V△, select DC charging circuit 111 as the charging path of DC charging current；
As the voltage value V that judging result is DC charging currentBWith the voltage value V of twice of batteryABetween difference be more than zero
And it is less than threshold voltage V△, select half pressure/charging path of the multiplication of voltage charging circuit 112 as DC charging current.
Step 709, DC charging current is inputted into battery using the charging circuit of selection.
The wireless charging method that the embodiment of the present invention is provided, voltage that not only can be based on DC charging current with it is to be charged
Relationship between the voltage of battery selects corresponding charging circuit to charge for battery, is remarkably improved the electricity of wireless charging system
It can transfer efficiency.Corresponding charging circuit can be also automatically selected according to the charging modes that external wireless charging unit can be supported,
Maximumlly to promote charge efficiency, and it can realize that the electric signal generated to external wireless charging device verifies, to ensure
The efficiency of wireless charging.
The embodiment of the present invention additionally provides a kind of wireless charging system 800, as shown in figure 8, the wireless charging system is specific
May include the first wireless charging device 810 and the second wireless charging device 820.
Wherein, the first wireless charging device 810 can specifically include shown wireless charging Denso provided in an embodiment of the present invention
It sets.
First wireless charging device 810 is specifically used for the electric signal generated by incuding the second wireless charging device, generates
DC charging current obtains the voltage value of battery in the voltage value and mobile terminal of DC charging current, is based on DC charging
The judging result of relationship between the voltage value of electric current and the voltage value of battery and pre-set threshold voltage, at least two
Select a charging circuit as the charging path of DC charging current in charging circuit, using charging path by DC charging current
Battery is inputted, at least two DC charging current includes DC charging circuit, half pressure/multiplication of voltage charging circuit；
Illustrating for the first wireless charging device 810 that the embodiment of the present invention is provided can be found in shown in above-mentioned Fig. 1-5
Wireless charging device explanation.Details are not described herein.
As shown in figure 9, the second wireless charging device 820 can specifically include：
Second communication unit 821, the voltage letter of the battery of mobile terminal for receiving the transmission of the first wireless charging device 810
Current information when breath and battery charge.
Generation unit 822, when the information of voltage and battery of the battery for being received based on the second communication unit 821 are charged
Current information generate corresponding electric signal.
In one embodiment, generation unit 822 specifically may include induction coil 823.
The wireless charging system that the embodiment of the present invention is provided, voltage that can be based on DC charging current and battery to be charged
Voltage between relationship, select corresponding charging circuit for battery charge, be remarkably improved wireless charging system electric energy turn
Change efficiency and charge efficiency.
The embodiment of the present invention additionally provides a kind of mobile terminal, and above-mentioned attached drawing 1-5 is specifically may include in the mobile terminal
Shown in wireless charging device.
Structure of the mobile terminal in addition to wireless charging circuit and function can similarly to the prior art, and the mobile terminal
The concrete structure of possessed wireless charging device forms and realizes that process can refer to the description and interpretation of above-described embodiment,
This is repeated no more.
The mobile terminal that the embodiment of the present invention is provided, the electricity of voltage and battery to be charged that can be based on DC charging current
Relationship between pressure selects corresponding charging circuit to charge for battery, is remarkably improved the electric energy conversion effect of wireless charging system
Rate and charge efficiency.
The embodiment of the present invention also provides a kind of mobile terminal, including processor, and memory is stored on the memory simultaneously
The computer program that can be run on the processor, the computer program are realized above-mentioned wireless when being executed by the processor
Each process of charging method embodiment, and identical technique effect can be reached, to avoid repeating, which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned wireless charging method embodiment when being executed by processor, and
Identical technique effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as
Read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic disc or CD etc..
Figure 10 is the block diagram of the mobile terminal 1000 of another embodiment of the present invention.Mobile terminal 1000 shown in Fig. 10 wraps
It includes：At least one processor 1010, memory 1020, at least one network interface 1040, user interface 1030, aforementioned present invention
The wireless charging device 1060 and battery 1070 that embodiment is provided.Various components in mobile terminal 1000 pass through total linear system
System 1050 is coupled.It is understood that bus system 1050 is for realizing the connection communication between these components.Bus system
1050 in addition to including data/address bus, further includes power bus, controlling bus and status signal bus in addition.But for clear explanation
For the sake of, various buses are all designated as bus system 1050 in Fig. 10.
Wherein, user interface 1030 may include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch screen etc..
It is appreciated that the memory 1020 in the embodiment of the present invention can be volatile memory or non-volatile memories
Both device, or may include volatile and non-volatile memory.Wherein, nonvolatile memory can be read-only memory
(Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only
Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM,
) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use
Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random-access
Memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access
Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data
Rate SDRAM, DDRSDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronous
Connect dynamic random access memory (Synch link DRAM, SLDRAM) and direct rambus random access memory
(Direct Rambus RAM, DRRAM).The memory 1020 of system and method described herein be intended to including but not limited to this
A little and any other suitable type memory.
In some embodiments, memory 1020 stores following element, executable modules or data structures, or
Their subset of person or their superset：Operating system 1021 and application program 1022.
Wherein, operating system 1021, including various system programs, such as ccf layer, core library layer, driving layer etc., are used for
Realize various basic businesses and the hardware based task of processing.Application program 1022, including various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 1022.
In embodiments of the present invention, mobile terminal 1000 further includes：It is stored on memory 1020 and can be in processor
The computer program run on 1010 can be specifically the computer program in application program 1022, and computer program is located
Reason device 1010 realizes following steps when executing：The electric signal generated by incuding external wireless charging unit, generates DC charging
Electric current；The voltage value of battery 1070, is based on DC charging in the voltage value and mobile terminal 1000 of acquisition DC charging current
The judging result of relationship between the voltage value of electric current and the voltage value of battery 1070 and pre-set threshold voltage, at least
Select a charging circuit as the charging path of DC charging current in two charging circuits, using charging path by DC charging
Electric current inputs battery 1070, and at least two DC charging currents include DC charging circuit, half pressure/multiplication of voltage charging circuit.
The method that the embodiments of the present invention disclose can be applied in processor 1010, or real by processor 1010
It is existing.Processor 1010 may be a kind of IC chip, the processing capacity with signal.During realization, the above method
Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1010 or software form.Above-mentioned
Processor 1010 can be general processor, digital signal processor (Digital Signal Processor, DSP), special
Integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..In conjunction with institute of the embodiment of the present invention
The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor
And software module combination executes completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only
In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at
The step of memory 1020, processor 1010 reads the information in memory 1020, the above method is completed in conjunction with its hardware.
It is understood that embodiments described herein can use hardware, software, firmware, middleware, microcode or its
It combines to realize.For hardware realization, processing unit may be implemented in one or more application-specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for executing the application function or combinations thereof.
For software implementations, it can be realized herein by executing the module (such as process, function etc.) of function described herein
The technology.Software code is storable in memory and is executed by processor.Memory can in the processor or
It is realized outside processor.
Optionally, following steps be can also be achieved when computer program is executed by processor 1010：When judging result is first
When judging result, charging path of the DC charging circuit as DC charging current is selected, using DC charging circuit by direct current
Charging current inputs battery 1070, and the first judging result includes：The voltage value of the voltage value and battery 1070 of DC charging current
Between difference be more than zero and be less than threshold voltage；When judging result is the second judging result, half pressure/multiplication of voltage charging electricity is selected
DC charging current is inputted battery 1070 by charging path of the road as DC charging current using half pressure/multiplication of voltage charging circuit,
Second judging result includes：Difference between the voltage value of DC charging current and the voltage value of twice of battery 1070 be more than zero and
Less than threshold voltage；The voltage difference that threshold voltage allows between DC charging current and the voltage of battery 1070.
Optionally, following steps be can also be achieved when computer program is executed by processor 1010：When judging result is third
When judging result, selects DC decompression charging circuit or linear charging block as the charging path of DC charging current, utilize
DC charging current is inputted battery 1070 by DC decompression charging circuit or linear charging block, and third judging result is sentenced with first
Disconnected result and the second judging result are different.
Optionally, following steps be can also be achieved when computer program is executed by processor 1010：According to the battery 107 of acquisition
Information of voltage determine battery 1070 charge when current information；By preset communication mode or induction coil by battery 1070
Information of voltage and battery 1070 charge when current information be sent to external wireless charging unit, external wireless charging unit
Current information when information of voltage and battery 1070 based on battery 1070 charge generates electric signal.
Optionally, following steps be can also be achieved when computer program is executed by processor 1010：By being filled with external wireless
Electric installation is communicated to determine whether external wireless charging unit supports the corresponding charging modes of at least two charging circuits；If external
Wireless charging device supports the corresponding charging modes of at least two charging circuits, the nothing outside selection at least two charging circuits
Charging path of the corresponding charging circuit of charging modes that micro USB electric installation is supported as DC charging current；If external wireless is filled
Electric installation does not support the corresponding charging modes of at least two charging circuits, executes voltage value and electricity based on DC charging current
The judging result of relationship between the voltage value in pond 1070 and pre-set threshold voltage, selects at least two charging circuits
Charging path of one charging circuit as the DC charging current.
Optionally, following steps be can also be achieved when computer program is executed by processor 1010：Detect DC charging current
Current information when whether charging with the information of voltage of battery 1070 and/or battery 1070 is corresponding；When DC charging current and electricity
Pond 1070 information of voltage and/or battery 1070 charging when current information correspond to, execute by with external wireless charging unit
Communication is to determine whether external wireless charging unit supports the corresponding charging modes of at least two charging circuits；When DC charging electricity
The current information flowed when charging with the information of voltage of battery 1070 and/or battery 1070 is not corresponding, is carried out to DC charging current
Compensation, after compensation, the current information when information of voltage of battery 1070 and battery 1070 charging again is sent to external nothing
Micro USB electric installation, and execute by being communicated with external wireless charging unit to determine whether external wireless charging unit is supported at least
The corresponding charging modes of two charging circuits.
Optionally, following steps be can also be achieved when computer program is executed by processor 1010：Based on judging result, make to connect
Unit charging circuit connection corresponding with judging result is received, charging path is formed.
The mobile terminal 1000 that the embodiment of the present invention is provided can be based on DC charging current voltage and battery to be charged
Relationship between 1070 voltage selects corresponding charging circuit to charge for battery 1070, is remarkably improved wireless charging system
Energy conversion efficiency and charge efficiency.
Figure 11 is the structural schematic diagram of the mobile terminal 1100 of another embodiment of the present invention.Specifically, the shifting in Figure 11
Dynamic terminal 1100 can be mobile phone, tablet computer, personal digital assistant (Personal Digital Assistant, PDA) or
Vehicle-mounted computer etc..
Mobile terminal 1100 in Figure 11 include radio frequency (Radio Frequency, RF) circuit 1110, memory 1120,
Input unit 1130, display unit 1140, wireless charging device 1150, processor 1160, voicefrequency circuit 1170, WiFi
(Wireless Fidelity) module 1180 and battery 1190.
Wherein, input unit 1130 can be used for receiving number input by user or character information, and generate with movement eventually
The related signal input of user setting and function control at end 1100.Specifically, in the embodiment of the present invention, the input unit
1130 may include touch panel 1131.Touch panel 1131, also referred to as touch screen collect user on it or neighbouring touch
Operation (for example user uses the operations of any suitable object or attachment on touch panel 1131 such as finger, stylus) is touched, and
Corresponding attachment device is driven according to preset formula.Optionally, touch panel 1131 may include touch detecting apparatus and
Two parts of touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect the letter that touch operation is brought
Number, transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into
Contact coordinate, then give the processor 1160, and order that processor 1160 is sent can be received and executed.Furthermore, it is possible to
Touch panel 1131 is realized using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1131, input unit 1130 can also include other input equipments 1132, other input equipments 1132 can include but is not limited to
One kind or more in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc.
Kind.
Wherein, display unit 1140 can be used for showing information input by user or be supplied to information and the movement of user
The various menu interfaces of terminal 1100.Display unit 1140 may include display panel 1141, optionally, LCD may be used or have
The forms such as machine light emitting diode (Organic Light-Emitting Diode, OLED) configure display panel 1141.
It should be noted that touch panel 1131 can cover display panel 1141, touch display screen is formed, when the touch display screen
It detects and sends processor 1160 on it or after neighbouring touch operation to determine the type of touch event, be followed by subsequent processing
Device 1160 provides corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and common control viewing area.The Application Program Interface viewing area
And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
Including the interface elements such as icon and/or widget desktop controls of at least one application program.The Application Program Interface viewing area
Or the empty interface not comprising any content.This commonly uses control viewing area for showing the higher control of utilization rate, for example,
Application icons such as button, interface number, scroll bar, phone directory icon etc. are set.
Wherein processor 1160 is the control centre of mobile terminal 1100, utilizes various interfaces and connection whole mobile phone
Various pieces, by running or execute the software program and/or module that are stored in first memory 1121, and call and deposit
Store up the data in second memory 1122, the various functions and processing data of execution mobile terminal 1100, to mobile whole
End 1100 carries out integral monitoring.Optionally, processor 1160 may include one or more processing units.
In the embodiment of the present invention, mobile terminal 1100 further includes：It is stored on memory 1120 and can be in processor 1160
The computer program of upper operation, computer program realize following steps when being executed by processor 1160：By incuding external wireless
The electric signal that charging unit generates generates DC charging current；Obtain the voltage value and mobile terminal of DC charging current
The voltage value of battery 1190 in 1100, the voltage value of voltage value and battery 1190 based on DC charging current with pre-set
Threshold voltage between relationship judging result, selected at least two charging circuits a charging circuit as DC charging electricity
DC charging current is inputted battery 1190 by the charging path of stream using charging path, and at least two DC charging currents include
DC charging circuit, half pressure/multiplication of voltage charging circuit.
Optionally, following steps be can also be achieved when computer program is executed by processor 1160：When judging result is first
When judging result, charging path of the DC charging circuit as DC charging current is selected, using DC charging circuit by direct current
Charging current inputs battery 1190, and the first judging result includes：The voltage value of the voltage value and battery 1190 of DC charging current
Between difference be more than zero and be less than threshold voltage；When judging result is the second judging result, half pressure/multiplication of voltage charging electricity is selected
DC charging current is inputted battery 1190 by charging path of the road as DC charging current using half pressure/multiplication of voltage charging circuit,
Second judging result includes：Difference between the voltage value of DC charging current and the voltage value of twice of battery 1190 be more than zero and
Less than threshold voltage；The voltage difference that threshold voltage allows between DC charging current and the voltage of battery 1190.
Optionally, following steps be can also be achieved when computer program is executed by processor 1160：When judging result is third
When judging result, selects DC decompression charging circuit or linear charging block as the charging path of DC charging current, utilize
DC charging current is inputted battery 1190 by DC decompression charging circuit or linear charging block, and third judging result is sentenced with first
Disconnected result and the second judging result are different.
Optionally, following steps be can also be achieved when computer program is executed by processor 1160：According to the battery 107 of acquisition
Information of voltage determine battery 1190 charge when current information；By preset communication mode or induction coil by battery 1190
Information of voltage and battery 1190 charge when current information be sent to external wireless charging unit, external wireless charging unit
Current information when information of voltage and battery 1190 based on battery 1190 charge generates electric signal.
Optionally, following steps be can also be achieved when computer program is executed by processor 1160：By being filled with external wireless
Electric installation is communicated to determine whether external wireless charging unit supports the corresponding charging modes of at least two charging circuits；If external
Wireless charging device supports the corresponding charging modes of at least two charging circuits, the nothing outside selection at least two charging circuits
Charging path of the corresponding charging circuit of charging modes that micro USB electric installation is supported as DC charging current；If external wireless is filled
Electric installation does not support the corresponding charging modes of at least two charging circuits, executes voltage value and electricity based on DC charging current
The judging result of relationship between the voltage value in pond 1190 and pre-set threshold voltage, selects at least two charging circuits
Charging path of one charging circuit as DC charging current.
Optionally, following steps be can also be achieved when computer program is executed by processor 1160：Detect DC charging current
Current information when whether charging with the information of voltage of battery 1190 and/or battery 1190 is corresponding；When DC charging current and electricity
Pond 1190 information of voltage and/or battery 1190 charging when current information correspond to, execute by with external wireless charging unit
Communication is to determine whether external wireless charging unit supports the corresponding charging modes of at least two charging circuits；When DC charging electricity
The current information flowed when charging with the information of voltage of battery 1190 and/or battery 1190 is not corresponding, is carried out to DC charging current
Compensation, after compensation, the current information when information of voltage of battery 1190 and battery 1190 charging again is sent to external nothing
Micro USB electric installation, and execute by being communicated with external wireless charging unit to determine whether external wireless charging unit is supported at least
The corresponding charging modes of two charging circuits.
Optionally, following steps be can also be achieved when computer program is executed by processor 1160：Based on judging result, make to connect
Unit charging circuit connection corresponding with judging result is received, charging path is formed.
The mobile terminal 1100 that the embodiment of the present invention is provided can be based on DC charging current voltage and battery to be charged
Relationship between 1190 voltage selects corresponding charging circuit to charge for battery 1190, is remarkably improved wireless charging system
Energy conversion efficiency and charge efficiency.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit
It connects, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, and be shown as unit
Component may or may not be physical unit, you can be located at a place, or may be distributed over multiple networks
On unit.Some or all of unit therein can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can to store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (19)
1. a kind of wireless charging device is applied to mobile terminal, which is characterized in that including：
At least two charging circuits are connect with the battery of the mobile terminal, and at least two charging circuit includes that direct current fills
Circuit, half pressure/multiplication of voltage charging circuit；
Receiving unit, the electric signal for being generated by incuding external wireless charging unit, generates DC charging current；
Charging control unit, voltage value and the battery for obtaining the DC charging current that the receiving unit generates
Voltage value, the voltage value of voltage value and the battery based on the DC charging current and pre-set threshold voltage it
Between relationship judging result, select a charging circuit as the DC charging current at least two charging circuit
The DC charging current is inputted the battery, the charging control unit difference by charging path using the charging path
It is connect with the receiving unit, at least two charging circuit, the battery.
2. wireless charging device according to claim 1, which is characterized in that
When the judging result is the first judging result, the charging control unit selects the DC charging circuit as institute
The DC charging current is inputted the battery by the charging path for stating DC charging current using the DC charging circuit,
First judging result includes：Difference between the voltage value of the DC charging current and the voltage value of the battery is more than
Zero and be less than the threshold voltage；
When the judging result is the second judging result, the charging control unit selects the half pressure/multiplication of voltage charging circuit
It is using half pressure/multiplication of voltage charging circuit that the DC charging current is defeated as the charging path of the DC charging current
Enter the battery, second judging result includes：The voltage of the voltage value of the DC charging current and twice of battery
Difference between value is more than zero and is less than the threshold voltage；
The voltage difference that the threshold voltage allows between the DC charging current and the voltage of the battery.
3. wireless charging device according to claim 2, which is characterized in that at least two charging circuit further includes straight
Stream decompression charging circuit, linear charging block；
When the judging result is third judging result, the charging control unit select the DC decompression charging circuit or
Charging path of the linear charging block as the DC charging current utilizes the DC decompression charging circuit or linear-charging
The DC charging current is inputted the battery by circuit, the third judging result and first judging result and described
Second judging result is different.
4. wireless charging device according to claim 1, which is characterized in that further include：
First communication unit, for being communicated with the external wireless charging unit by preset communication mode or induction coil；
The charging control unit is additionally operable to determine the electricity when battery charging according to the information of voltage of the battery of acquisition
Stream information, and the current information when information of voltage of the battery and the battery being charged by first communication unit
It is sent to the external wireless charging unit, information of voltage of the external wireless charging unit based on the battery and described
Current information when battery charges generates the electric signal, and first communication unit is connect with the charging control unit.
5. wireless charging device according to claim 4, which is characterized in that the charging control unit is additionally operable to pass through
It is communicated with the external wireless charging unit with whether the determination external wireless charging unit supports at least two charging
The corresponding charging modes of circuit；
If the external wireless charging unit supports the corresponding charging modes of at least two charging circuit, described at least two
Select the charging circuit corresponding to the charging modes of the external wireless charging unit support as described straight in a charging circuit
The charging path of current charge electric current；
If the external wireless charging unit does not support the corresponding charging modes of at least two charging circuit, charge control list
Member executes the voltage value and pre-set threshold value electricity of the voltage value and the battery based on the DC charging current
The judging result of relationship between pressure selects a charging circuit as DC charging electricity at least two charging circuit
The charging path of stream.
6. wireless charging device as claimed in claim 5, which is characterized in that the charging control unit is additionally operable to described in detection
Electric current when whether the DC charging current that receiving unit generates charges with the information of voltage of the battery and/or the battery is believed
Breath corresponds to；
Current information when the DC charging current charges with the information of voltage of the battery and/or the battery is corresponding
When, the charging control unit execute described in filled with the determination external wireless by being communicated with the external wireless charging unit
Whether electric installation supports the corresponding charging modes of at least two charging circuit；
Current information when the DC charging current charges with the information of voltage of the battery and/or the battery is not corresponding
When, the charging control unit compensates the DC charging current, and after compensation, the charging control unit triggers institute
Current information when the first communication unit again charges the information of voltage of the battery and the battery is stated to be sent to outside described
Portion's wireless charging device, and execute described by being communicated with the external wireless charging unit with the determination external wireless charging
Whether device supports the corresponding charging modes of at least two charging circuit.
7. wireless charging device according to claim 1, which is characterized in that further include：
Connection unit is used for the judging result based on the charging control unit, makes the receiving unit and the judging result
The connection of corresponding charging circuit, forms the charging path, the connection unit respectively with the charging control unit, described connect
Receive unit, at least two charging circuit connection.
8. a kind of wireless charging method is applied to mobile terminal, which is characterized in that including
The electric signal generated by incuding external wireless charging unit, generates DC charging current；
The voltage value of the DC charging current and the voltage value of battery in the mobile terminal are obtained, is filled based on the direct current
The judging result of relationship between the voltage value of electric current and the voltage value and pre-set threshold voltage of the battery, extremely
It selects a charging circuit as the charging path of the DC charging current in few two charging circuits, utilizes the charging path
The DC charging current is inputted into the battery, at least two charging circuit includes DC charging circuit, half pressure/multiplication of voltage
Charging circuit.
9. wireless charging method according to claim 8, which is characterized in that the electricity based on the DC charging current
The judging result of relationship between pressure value and the voltage value and pre-set threshold voltage of the battery, at least two chargings
Select a charging circuit as the charging path of the DC charging current in circuit, using the charging path by the direct current
Charging current input the battery the step of include：
When the judging result is the first judging result, select the DC charging circuit as the DC charging current
The DC charging current is inputted the battery, first judging result by charging path using the DC charging circuit
Including：Difference between the voltage value of the DC charging current and the voltage value of the battery is more than zero and is less than the threshold value
Voltage；
When the judging result is the second judging result, select half pressure/multiplication of voltage charging circuit as the DC charging
The DC charging current is inputted the battery by the charging path of electric current using half pressure/multiplication of voltage charging circuit, and described the
Two judging results include：Difference between the voltage value of the DC charging current and the voltage value of twice of battery is more than zero
And it is less than the threshold voltage；
The voltage difference that the threshold voltage allows between the DC charging current and the voltage of the battery.
10. wireless charging method according to claim 9, which is characterized in that at least two charging circuit further includes
DC decompression charging circuit, linear charging block；
The voltage value of the voltage value based on the DC charging current and the battery and pre-set threshold voltage
Between relationship judging result, a charging circuit filling as the DC charging current is selected at least two charging circuits
Electric pathway, using the charging path by the DC charging current input the battery the step of further include：
When the judging result be third judging result when, select the DC decompression charging circuit or linear charging block as
The charging path of the DC charging current is filled the direct current using the DC decompression charging circuit or linear charging block
Electric current inputs the battery, the third judging result and first judging result and second judging result not
Together.
11. wireless charging method according to claim 8, which is characterized in that by incuding external wireless charging unit
Before the step of electric signal of generation, generation DC charging current, further include：
The current information when battery charging is determined according to the information of voltage of the battery of acquisition；
The electric current when information of voltage of the battery and the battery being charged by preset communication mode or induction coil
Information is sent to the external wireless charging unit, information of voltage of the external wireless charging unit based on the battery and
Current information when the battery charging generates the electric signal.
12. wireless charging method according to claim 11, which is characterized in that in the electricity for obtaining the DC charging current
In pressure value and the mobile terminal the step of voltage value of battery after, further include：
By communicated with the external wireless charging unit with the determination external wireless charging unit whether support it is described at least
The corresponding charging modes of two charging circuits；
If the external wireless charging unit supports the corresponding charging modes of at least two charging circuit, described at least two
Select the corresponding charging circuit of charging modes that the external wireless charging unit is supported as the direct current in a charging circuit
The charging path of charging current；
If the external wireless charging unit does not support the corresponding charging modes of at least two charging circuit, the base is executed
The relationship between the voltage value of the DC charging current and the voltage value of the battery and pre-set threshold voltage
Judging result selects a charging circuit logical as the charging of the DC charging current at least two charging circuit
Road.
13. wireless charging method as claimed in claim 12, which is characterized in that the step of generating DC charging current it
Afterwards, further include：
Current information when whether the DC charging current charges with the information of voltage of the battery and/or the battery detected
It is corresponding；
Current information when the DC charging current charges with the information of voltage of the battery and/or the battery is corresponding,
It executes described by described in communicate with the external wireless charging unit and whether being supported with the determination external wireless charging unit
The corresponding charging modes of at least two charging circuits；
Current information when the DC charging current charges with the information of voltage of the battery and/or the battery is not right
It answers, the DC charging current is compensated, after compensation, the information of voltage of the battery and the battery charge again
When current information be sent to the external wireless charging unit, and execute described by logical with the external wireless charging unit
Whether letter supports the corresponding charging modes of at least two charging circuit with the determination external wireless charging unit.
14. wireless charging method according to claim 8, which is characterized in that described to utilize the charging path described
DC charging current input the battery the step of include：
Based on the judging result, makes receiving unit charging circuit connection corresponding with judging result, form the charging path.
15. a kind of wireless charging system, including the first wireless charging device and the second wireless charging device, which is characterized in that institute
It includes such as claim 1-7 any one of them wireless charging devices to state the first wireless charging device；
First wireless charging device, the electric signal for being generated by incuding second wireless charging device generate straight
Current charge electric current obtains the voltage value of the DC charging current and the voltage value of battery in the mobile terminal, is based on institute
State the judgement of relationship between the voltage value of DC charging current and the voltage value of the battery and pre-set threshold voltage
As a result, selecting a charging circuit as the charging path of the DC charging current at least two charging circuits, institute is utilized
It states charging path and the DC charging current is inputted into the battery, at least two charging circuit includes DC charging electricity
Road, half pressure/multiplication of voltage charging circuit；
Second wireless charging device, for generating the electric signal.
16. wireless charging system as claimed in claim 15, which is characterized in that second wireless charging device includes：
Second communication unit, the information of voltage for receiving the battery that first wireless charging device is sent and the electricity
Current information when pond is charged；
Generation unit, the information of voltage of the battery for being received based on second communication unit and battery charging
When current information generate the electric signal.
17. a kind of mobile terminal, which is characterized in that including such as claim 1-7 any one of them wireless charging device.
18. a kind of mobile terminal, which is characterized in that including：It processor, memory and is stored on the memory and can be in institute
State the computer program run on processor, when the computer program is executed by the processor realize as claim 8 to
The step of wireless charging method described in any one of 14.
19. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the wireless charging side as described in any one of claim 8 to 14 when the computer program is executed by processor
The step of method.
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| CN201810367375.XA CN108429362B (en) | 2018-04-23 | 2018-04-23 | Wireless charging device, wireless charging method, wireless charging system and mobile terminal |
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| CN201810367375.XA CN108429362B (en) | 2018-04-23 | 2018-04-23 | Wireless charging device, wireless charging method, wireless charging system and mobile terminal |
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| US20120293009A1 (en) * | 2011-05-17 | 2012-11-22 | Samsung Electronics Co., Ltd. | Apparatus and method of protecting power receiver of wireless power transmission system |
| EP3145050A1 (en) * | 2015-09-17 | 2017-03-22 | MediaTek Inc. | Wireless power receiver with dynamically configurable power path |
| CN107248769A (en) * | 2017-07-31 | 2017-10-13 | 维沃移动通信有限公司 | Wireless charging circuit, wireless charging method, wireless charging system and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120293009A1 (en) * | 2011-05-17 | 2012-11-22 | Samsung Electronics Co., Ltd. | Apparatus and method of protecting power receiver of wireless power transmission system |
| EP3145050A1 (en) * | 2015-09-17 | 2017-03-22 | MediaTek Inc. | Wireless power receiver with dynamically configurable power path |
| CN106558922A (en) * | 2015-09-17 | 2017-04-05 | 联发科技股份有限公司 | Radio source receiver, mobile electronic device and the method for enabling power source path |
| CN107248769A (en) * | 2017-07-31 | 2017-10-13 | 维沃移动通信有限公司 | Wireless charging circuit, wireless charging method, wireless charging system and mobile terminal |
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