CN108390430A - A kind of charging converter and charging method - Google Patents
A kind of charging converter and charging method Download PDFInfo
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- CN108390430A CN108390430A CN201810162137.5A CN201810162137A CN108390430A CN 108390430 A CN108390430 A CN 108390430A CN 201810162137 A CN201810162137 A CN 201810162137A CN 108390430 A CN108390430 A CN 108390430A
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- 238000003860 storage Methods 0.000 description 6
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- 238000004590 computer program Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00036—Charger exchanging data with battery
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- H02J7/0077—
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- H02J7/0086—
Abstract
A kind of charging converter of present invention offer and charging method.Charging converter supports the first fast charge agreement, mobile terminal to support that the second fast charge agreement, charging converter include for being electrically connected charger and mobile terminal, charger：The controller and conversion circuit of electrical connection；Wherein, controller carries out the negotiation of charge protocol with charger if the second fast charge agreement for receiving mobile terminal transmission；Conversion circuit, for receiving charger after the negotiation for carrying out charge protocol with controller, based on the first fast charge agreement output the first power supply signal, by the first power supply signal be converted to the matched second source signal of the second fast charge agreement, and to mobile terminal export second source signal.In the embodiment of the present invention, in the case where the use of non-original-pack charger being that mobile terminal charges, mobile terminal can realize quick charge.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of charging converter and charging methods.
Background technology
Currently, there is miscellaneous mobile terminal (such as mobile phone), the mobile terminals of different manufacturers production on the market
Different fast charge agreements, common fast charge agreement is generally supported to have low-pressure direct to fill agreement and high-voltage charging agreement.Using charging
When device is that mobile terminal charges, if charger is the original-pack charger being adapted to mobile terminal, mobile terminal and charging
Device supports identical fast charge agreement, at this point, mobile terminal can carry out quick charge；If charger is not suitable with mobile terminal
The original-pack charger matched, then, mobile terminal and charger support that (such as mobile terminal supports high pressure to fill to different fast charge agreements
Electric agreement, charger support low-pressure direct to fill agreement), at this point, mobile terminal mutually can not be compatible with charger, mobile terminal can only
It is commonly charged, and quick charge can not be carried out.As it can be seen that the use of non-original-pack charger being the case where mobile terminal charges
Under, mobile terminal cannot achieve quick charge.
Invention content
A kind of charging converter of offer of the embodiment of the present invention and charging method are being to move using non-original-pack charger to solve
In the case of dynamic terminal charge, the problem of mobile terminal cannot achieve quick charge.
In order to solve the above-mentioned technical problem, the invention is realized in this way：
In a first aspect, the embodiment of the present invention provides a kind of charging converter, for being electrically connected charger and mobile terminal, institute
Stating charger supports the first fast charge agreement, the mobile terminal to support that the second fast charge agreement, the charging converter include：It is electrically connected
The controller and conversion circuit connect；Wherein,
The controller, if the second fast charge agreement sent for receiving the mobile terminal, with the charging
Device carries out the negotiation of charge protocol；
The conversion circuit, for receiving the charger after the negotiation for carrying out charge protocol with the controller, base
In the first power supply signal of the first fast charge agreement output, first power supply signal is converted to and is assisted with second fast charge
Matched second source signal is discussed, and the second source signal is exported to the mobile terminal.
Second aspect, the embodiment of the present invention provide a kind of charging method, are applied to charging converter, the charging converter
For being electrically connected charger and mobile terminal, the charger supports the first fast charge agreement, the mobile terminal to support that second is fast
Agreement is filled, the charging converter includes conversion circuit, the method includes：
If receiving the second fast charge agreement that the mobile terminal is sent, charge protocol is carried out with the charger
Negotiate；
The charger is received after the negotiation for carrying out charge protocol with the mobile terminal, is assisted based on first fast charge
Discuss the first power supply signal of output；
Based on the conversion circuit, first power supply signal is converted to and the second fast charge agreement matched second
Power supply signal；
The second source signal is exported to the mobile terminal.
The third aspect, the embodiment of the present invention provide a kind of charging converter, including processor, memory, are stored in described
It is real when the computer program is executed by the processor on memory and the computer program that can run on the processor
The step of showing above-mentioned charging method.
Fourth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium
Computer program is stored in matter, the computer program realizes above-mentioned charging method when being executed by processor the step of.
In the embodiment of the present invention, pass through the negotiation of charge protocol between the controller and charger in charging converter, charging
Device can export the first power supply signal based on the first fast charge agreement itself supported to charging converter；By in charging converter
Conversion circuit transformation, charging converter can to mobile terminal export with mobile terminal support the second fast charge agreement
Matched second source signal, to realize the quick charge of mobile terminal by second source signal.In this way, using non-original
It is in the case that mobile terminal charges to fill charger, and mobile terminal can realize quick charge.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without having to pay creative labor, it can also obtain according to these attached drawings
Take other attached drawings.
Fig. 1 is the connection diagram of charger, charging converter and mobile terminal；
Fig. 2 is a kind of structural schematic diagram of charging converter provided in an embodiment of the present invention；
Fig. 3 is the flow chart of charging method provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another charging converter provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's acquired every other implementation without creative efforts
Example, shall fall within the protection scope of the present invention.
Charging converter provided in an embodiment of the present invention is illustrated first below.
As shown in Figure 1, charging converter 1 provided in an embodiment of the present invention is for being electrically connected charger 2 and mobile terminal 3.
Specifically, one end (left end shown in Fig. 1) of charging converter 1 can be provided with first interface male seat 11, charging converter 1
The other end (right end shown in Fig. 1) second interface male seat 12 can be provided with；One end of charger 2 is (right shown in Fig. 1
End) it can be provided with first interface female seat 21, one end (left end shown in Fig. 1) of mobile terminal 3 can be provided with second and connect
Mouth female seat 31；First interface male seat 11 with first interface female seat 21 for being electrically connected, and second interface male seat 12 with second for connecing
Mouth female seat 31 is electrically connected.
(electrical connection specifically can be with it is understood that be electrically connected with first interface female seat 21 in first interface male seat 11
Realized by the data line including DP and DM in Fig. 2) in the case of, power supply can be carried out between charger 2 and charging converter 1
The transmission of signal and control signal；In the case where second interface male seat 12 is electrically connected with second interface female seat 31, charging conversion
Power supply signal can be carried out between device 1 and mobile terminal 3 and controls the transmission of signal.
In the embodiment of the present invention, charger 2 supports the first fast charge agreement, mobile terminal 3 to support the second fast charge agreement (second
Fast charge agreement is the fast charge agreement different from the first fast charge agreement), that is to say, that charger 2 is not for mobile terminal 3
Original-pack charger.Specifically, the first fast charge agreement that charger 2 is supported can be that the low-pressure direct that Huawei Company releases fills agreement,
At this moment, charging voltage specified in the first fast charge agreement can be 5V, and charging current specified in the first fast charge agreement can be
4.5A；The second fast charge agreement that mobile terminal 3 is supported can be the high-voltage charging agreement that VIVO companies release, and at this moment, second is fast
It can be 9V to fill charging voltage specified in agreement, and charging current specified in the second fast charge agreement can be 2A.
It is emphasized that the first fast charge agreement and the second fast charge agreement are not limited to this feelings enumerated in epimere
Condition can specifically determine that the embodiment of the present invention does not do this any restriction according to actual conditions.
In the embodiment of the present invention, mobile terminal 3 can be any equipment for having communication function, such as：Computer
(Computer), mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop
Computer), personal digital assistant (personal digital assistant, abbreviation PDA), mobile Internet access electronic equipment
(Mobile Internet Device, MID), wearable device (Wearable Device) etc..
Referring to Fig. 2, the structural schematic diagram of charging converter 1 provided in an embodiment of the present invention is shown in figure.Such as Fig. 2 institutes
Show, charging converter 1 includes：The controller 13 and conversion circuit 14 of electrical connection.
Controller 13, if the second fast charge agreement for receiving the transmission of mobile terminal 3, charging association is carried out with charger 2
The negotiation of view.
Wherein, controller 13 is specifically as follows micro-control unit (Micro Control Unit, MCU).
In the embodiment of the present invention, mobile terminal 3 can first pass through official store and download and install for coordinating charging to turn in advance
The fast charge application that parallel operation 1 uses.If user needs to utilize the charger 2 for belonging to non-original-pack charger for mobile terminal 3
Realize that charger 2 and mobile terminal 3 can be electrically connected by the quick charge of mobile terminal 3, user by charging converter 1.It connects
Get off, user can operate the fast charge application installed on mobile terminal 3, turn so that mobile terminal 3 is applied by fast charge to charging
Parallel operation 1 sends fast charge grant instruction.Wherein, the second fast charge agreement can be carried in fast charge grant instruction.
Next, controller 13 in charging converter 1 receives the fast charge grant instruction that mobile terminal 3 is sent, and from fast
It fills in grant instruction and extracts the second fast charge agreement.In this way, controller 13 can determine that mobile terminal 3 exists according to the second fast charge agreement
Carry out charging voltage (being assumed to be 9V) and charging current (being assumed to be 2A) required when quick charge.In addition, being carried receiving
In the case of the fast charge grant instruction of second fast charge agreement, the controller 13 in charging converter 1 also charges with charger 2
The negotiation of agreement, by the negotiation of charge protocol, controller 13 can enable charger 2 be based on the first electricity of the first fast charge agreement output
Source signal.
In order to realize the negotiation of the charge protocol between controller 13 and charger 2, can be previously stored in controller 13
Released on the market various fast charge agreements (assuming that controller 13 be previously stored with the first fast charge agreement, the second fast charge agreement and
Third fast charge agreement).
It will be appreciated by persons skilled in the art that although charger 2 supports the first fast charge agreement (assuming that the first fast charge is assisted
Charging voltage specified in view is 5V, charging current 4.5A), it is still, whole with movement by charging converter 1 in charger 2
In the case of 3 electrical connection of end, charger 2 first can be (false with the charging current of the charging voltage (being assumed to be 5V) of acquiescence and acquiescence
It is set as 2.5A) out-put supply signal.In view of this, being 5V, charging current receiving the charging voltage of the acquiescence output of charger 2
In the case of power supply signal for 2.5A, controller 13 can first be filled according to pre-stored fast charge agreement with charger 2
The negotiation of electric agreement.Assuming that charging converter 1 carries out charging association first with pre-stored first fast charge agreement and charger 2
The handshake communication of view, since charger 2 also supports the first fast charge agreement, the charging between charging converter 1 and charger 2
The negotiation success of agreement, at this moment, charger 2 can be switched to exports the first power supply signal based on the first fast charge agreement.That is,
The charging voltage of first power supply signal is 5V, and the charging current of the first power supply signal is 4.5A.
Conversion circuit 14, it is fast based on first for receiving charger 2 after the negotiation for carrying out charge protocol with controller 13
First power supply signal is converted to and is believed with the matched second source of the second fast charge agreement by the first power supply signal for filling agreement output
Number, and export second source signal to mobile terminal 3.
After charger 2 is based on the first fast charge agreement the first power supply signal of output, the conversion circuit 14 of charging converter 1
Reception charging voltage is 5V, and charging current is the first power supply signal of 4.5A.Next, conversion circuit 14 can will receive
It is 9V, charging current that first power supply signal, which is converted to the matched second source signal of the second fast charge agreement, such as charging voltage,
For the second source signal of 2A.Later, conversion circuit 14 can export the second source signal being converted to mobile terminal 3.
Since mobile terminal 3 itself supports the second fast charge agreement, mobile terminal 3 to utilize the second source signal energy from conversion circuit 14
Enough realize quick charge.
In the embodiment of the present invention, if user needs to utilize the charging for belonging to non-original-pack charger for mobile terminal 3
Device 2 realizes that the quick charge of mobile terminal 3, user can first pass through charging converter 1 and charger 2 and mobile terminal 3 are electrically connected
It connects.Next, user can operate mobile terminal 3, so that mobile terminal 3 sends what mobile terminal 3 was supported to charging converter 1
Second fast charge agreement.In the case that controller 13 in charging converter 1 receives the second fast charge agreement, controller 13 with fill
Electric appliance 2 carries out the negotiation of charge protocol, so that charger 2 is based on the first fast charge agreement and exports the first power supply signal.Later, it charges
Conversion circuit 14 in converter 1 receives the first power supply signal that charger 2 exports, and the first power supply signal is converted to and movement
The matched second source signal of the second fast charge agreement that terminal 3 is supported, and export second source signal to mobile terminal 3.In this way,
Quick charge can be realized according to the second source signal that conversion circuit 14 exports in mobile terminal 3.
As can be seen that in the embodiment of the present invention, assisted by charging between the controller 13 in charging converter 1 and charger 2
The negotiation of view, charger 2 can export the first power supply signal based on the first fast charge agreement itself supported to charging converter 1；
By the transformation of the conversion circuit 14 in charging converter 1, charging converter 1 can be exported to mobile terminal 3 and movement
The matched second source signal of the second fast charge agreement that terminal 3 is supported, to realize mobile terminal 3 by second source signal
Quick charge.In this way, in the case where the use of non-original-pack charger being that mobile terminal 3 charges, mobile terminal 3 can be realized quickly
Charging.
Optionally, as shown in Fig. 2, conversion circuit 14 includes first switch unit 141, second switch unit 142, inductance
143 (i.e. L), third switch unit 144, the 4th switch unit 145, power supply signal input VIN and power supply signal output end
VOUT.Wherein, power supply signal input VIN can be set in the first interface male seat 11 in Fig. 1, power supply signal output end
VOUT can be set in the second interface male seat 12 in Fig. 1.
The first end (left end shown in Fig. 2) of inductance 143 passes through first switch unit 141 and power supply signal input
VIN is electrically connected, and the first end (left end shown in Fig. 2) of inductance 143 is also grounded by second switch unit 142；Inductance 143
Second end (right end shown in Fig. 2) is electrically connected by third switch unit 144 with power supply signal output end VOUT, inductance 143
Second end (right end shown in Fig. 2) also pass through the 4th switch unit 145 be grounded；First switch unit 141, second switch list
Member 142, third switch unit 144 and the 4th switch unit 145 are also electrically connected with controller 13.
Controller 13 is specifically used for according to the first fast charge agreement and the second fast charge agreement, control first switch unit 141,
The on off state of second switch unit 142, third switch unit 144 and the 4th switch unit 145.In this way, by conversion electricity
The control of the on off state of each switch unit in road 14, the embodiment of the present invention more can easily realize turning for power supply signal
It changes, i.e., conversion circuit 14 can successfully be converted to the first power supply signal received and matched second electricity of the second fast charge agreement
Source signal.
Optionally, controller 13 are specifically used for：
In the case that charging voltage in the first fast charge agreement is more than the charging voltage in the second fast charge agreement, according to the
One pulsewidth modulation (Pulse Width Modulation, PWM) signal carries out switch control to first switch unit 141, according to
Second pwm signal carries out switch control to second switch unit 142, and control third switch unit 144 is connected, the 4th switch of control
Unit 145 turns off；Wherein, the first duty ratio of the first pwm signal and the second duty ratio of the second pwm signal are by controller 13
According in the charging voltage and charging current and the second fast charge agreement in the first fast charge agreement charging voltage and charging current it is true
It is fixed, the first duty ratio and the second duty ratio and be 1；
In the case that charging voltage in the first fast charge agreement is less than the charging voltage in the second fast charge agreement, control the
One switch unit 141 is connected, and control second switch unit 142 turns off, according to third pwm signal to third switch unit 144 into
Row switch control, switch control is carried out according to the 4th switch unit 145 of the 4th pwm signal pair；Wherein, the of third pwm signal
Three duty ratios and the 4th duty ratio of the 4th pwm signal by controller 13 according in the first fast charge agreement charging voltage and charging
Electric current and charging voltage in the second fast charge agreement and charging current determine, third duty ratio and the 4th duty ratio and be 1.
As seen from Figure 2, first switch unit 141, second switch unit 142, inductance 143, third switch unit 144
Buck-boost (buck-boost) framework is collectively constituted with the 4th switch unit 145；Wherein, first switch unit 141 and second
Switch unit 142 can be as the parts buck of buck-boost frameworks, third switch unit 144 and the 4th switch unit 145
It can be as the parts boost of buck-boost frameworks.
In the embodiment of the present invention, in order to realize the conversion to the first power supply signal, it is fast that controller 13 can first compare first
Fill the size of the charging voltage in agreement and the charging voltage in the second fast charge agreement.
If charging voltage in the first fast charge agreement is more than the charging voltage in the second fast charge agreement, this explanation is to the
When one power supply signal is converted, the first power supply signal needs to carry out decompression processing, then, controller 13 can be according to first
Pwm signal carries out switch control to first switch unit 141, is switched to second switch unit 142 according to the second pwm signal
Control, control third switch unit 144 are held on, and are controlled the 4th switch unit 145 and be held off.
It should be pointed out that in the process for carrying out switch control to first switch unit 141 and second switch unit 142
In, first switch unit 141 and second switch unit 142 will not simultaneously turn on, and will not simultaneously turn off.That is,
In the case that one switch unit 141 is connected, second switch unit 142 turns off；In the case where first switch unit 141 turns off,
Second switch unit 142 is connected.It can easily be seen that in this case, conversion circuit 14 is especially by 141 He of first switch unit
The parts buck that second switch unit 142 forms realize the processing of the decompression to the first power supply signal, later, 14 meeting of conversion circuit
The second source signal obtained after decompression is handled is exported from power supply signal output end VOUT.
If charging voltage in the first fast charge agreement is less than the charging voltage in the second fast charge agreement, this explanation is to the
When one power supply signal is converted, the first power supply signal needs to carry out boosting processing, then, controller 13 can control first and open
It closes unit 141 to be held on, control second switch unit 142 is held off, according to third pwm signal to third switch unit
144 carry out switch control, and switch control is carried out according to the 4th switch unit 145 of the 4th pwm signal pair.
It should be pointed out that in the process for carrying out switch control to third switch unit 144 and the 4th switch unit 145
In, third switch unit 144 and the 4th switch unit 145 will not simultaneously turn on, and will not simultaneously turn off.That is,
In the case that three switch units 144 are connected, the shutdown of the 4th switch unit 145；In the case where third switch unit 144 turns off,
4th switch unit 145 is connected.It can easily be seen that in this case, conversion circuit is especially by third switch unit 144 and
The parts boost of four switch units 145 composition realize the processing of the boosting to the first power supply signal, later, 14 meeting of conversion circuit
The second source signal obtained after boosted processing is exported from power supply signal output end VOUT.
As can be seen that in the embodiment of the present invention, the overall structure of conversion circuit 14 is relatively simple, also, by Fig. 2
Shown in four switch units in buck-boost frameworks open and-shut mode control, conversion circuit 14 can more easily
First power supply signal is converted into second source signal, to realize the quick charge of mobile terminal 3.
Optionally, as shown in Fig. 2, conversion circuit 14 further includes：First switch control circuit 148；Wherein,
First switch unit 141 is the first mos field effect transistor (Metal Oxide
Semiconductor, MOS), second switch unit 142 is the 2nd MOS.It can easily be seen that the first MOS can be the Q1 in Fig. 2,
2nd MOS is the Q2 in Fig. 2.
The first port of first switch control circuit 148 is electrically connected with the grid of the first MOS, first switch control circuit
148 second port is electrically connected with the grid of the 2nd MOS, third port and 13 electricity of controller of first switch control circuit 148
Connection, the drain electrode of the first MOS are electrically connected with power supply signal input VIN, the source electrode of the first MOS and the drain electrode difference of the 2nd MOS
It is electrically connected with the first end (left end shown in Fig. 2) of inductance 143, the source electrode ground connection of the 2nd MOS.
Controller 13 is specifically used for sending and the first MOS and the 2nd MOS relevant the to first switch control circuit 148
One on off state controls information；
First switch control circuit 148, for according to first switch state control information, controlling the first MOS and the 2nd MOS
On off state.
Specifically, the charging voltage in the first fast charge agreement is more than the case where charging voltage in the second fast charge agreement
Under, controller 13 is specifically included to the content for the first switch state control information that first switch control circuit 148 is sent：According to
The first MOS of first pwm signal pair carries out switch control, and switch control is carried out according to the 2nd MOS of the second pwm signal pair.In this way, the
One ON-OFF control circuit 148 can according to the instruction of first switch state control information, according to the first MOS of the first pwm signal pair into
Row switch control, and switch control is carried out according to the 2nd MOS of the second pwm signal pair, to make the first MOS and the 2nd MOS cooperate with
Work, to realize that the decompression to the first power supply signal is handled.
In the case that charging voltage in the first fast charge agreement is less than the charging voltage in the second fast charge agreement, controller
The content of the 13 first switch state control informations sent to first switch control circuit 148 specifically includes the first MOS of control and leads
It is logical, control the 2nd MOS shutdowns.In this way, instruction of the meeting of first switch control circuit 148 according to first switch state control information,
It controls the first MOS to be held on, and controls the 2nd MOS and be held off, it is smoothly defeated to make the first power supply signal pass through the first MOS
It send to inductance 143.
As can be seen that the embodiment of the present invention can be realized simultaneously by the way that first switch control circuit 148 is arranged to the first MOS
It controls with the switch of the 2nd MOS, is handled in order to the smooth input of the first power supply signal and to the decompression of the first power supply signal.
Optionally, as shown in Fig. 2, conversion circuit 14 further includes：Second switch control circuit 149；Wherein,
Third switch unit 144 is the 3rd MOS, and the 4th switch unit 145 is the 4th MOS.It can easily be seen that the 3rd MOS is
Can be the Q3 in Fig. 2, the 4th MOS is the Q4 in Fig. 2.
The first port of second switch control circuit 149 is electrically connected with the grid of the 3rd MOS, second switch control circuit
149 second port is electrically connected with the grid of the 4th MOS, third port and 13 electricity of controller of second switch control circuit 149
Connection, the drain electrode of the 3rd MOS and the source electrode of the 4th MOS are electrically connected with the second end of inductance 143 respectively, the source electrode of the 3rd MOS and
The VOUT electrical connections of power supply signal output end, the grounded drain of the 4th MOS.
Controller 13 is specifically used for sending and the 3rd MOS and the 4th MOS relevant the to second switch control circuit 149
Two on off states control information；
Second switch control circuit 149, for according to second switch state control information, controlling the 3rd MOS and the 4th MOS
On off state.
Specifically, the charging voltage in the first fast charge agreement is more than the case where charging voltage in the second fast charge agreement
Under, controller 13 is specifically included to the content for the second switch state control information that second switch control circuit 149 is sent：Control
3rd MOS is connected, control the 4th MOS shutdowns.Believe in this way, second switch control circuit 149 can be controlled according to second switch state
The instruction of breath, the 3rd MOS of control are held on, and the 4th MOS of control is held off, to make second source signal from conversion circuit
14 normal outputs, and it is delivered to mobile terminal 3.
In the case that charging voltage in the first fast charge agreement is less than the charging voltage in the second fast charge agreement, controller
The content of the 13 second switch state control informations sent to second switch control circuit 149 specifically includes：Believe according to the 3rd PWM
Number switch control is carried out to the 3rd MOS, switch control is carried out according to the 4th MOS of the 4th pwm signal pair.In this way, second switch control
Circuit 149 processed can carry out switch control according to the instruction of second switch state control information according to the 3rd MOS of third pwm signal pair
System, switch control is carried out according to the 4th MOS of the 4th pwm signal pair, to make the 3rd MOS and the 4th MOS cooperate, to realize
Boosting processing to the first power supply signal.
As can be seen that the embodiment of the present invention can be realized simultaneously by the way that second switch control circuit 149 is arranged to the 3rd MOS
It is controlled with the switch of the 4th MOS, in order to the smooth output of boosting processing and second source signal to the first power supply signal.
It is emphasized that in the embodiment of the present invention, conversion circuit 14 is not limited to circuit structure shown in Fig. 2.
Specifically, conversion circuit 14 can not use buck-boost frameworks, and use mutually independent buck frameworks and boost framves
Structure, to realize that boosting processing and decompression to the first power supply signal are handled respectively by buck frameworks and boost frameworks, this is also
It is feasible.
To sum up, mobile whole in the case where the use of non-original-pack charger being that mobile terminal 3 charges in the embodiment of the present invention
End 3 can realize quick charge.
Charging method provided in an embodiment of the present invention is illustrated below.
Referring to Fig. 3, the flow chart of charging method provided in an embodiment of the present invention is shown in figure.As shown in figure 3, this method
Applied to charging converter, charging converter supports the first fast charge agreement for being electrically connected charger and mobile terminal, charger,
Mobile terminal supports the second fast charge agreement, and charging converter includes conversion circuit, and this method comprises the following steps：
Step 301, if receiving the second fast charge agreement of mobile terminal transmission, the association of charge protocol is carried out with charger
Quotient；
Step 302, charger is received after the negotiation for carrying out charge protocol with mobile terminal, it is defeated based on the first fast charge agreement
The first power supply signal gone out；
Step 303, it is based on conversion circuit, the first power supply signal is converted to and the second matched second source of fast charge agreement
Signal；
Step 304, second source signal is exported to mobile terminal.
Optionally, conversion circuit includes first switch unit, second switch unit, inductance, third switch unit, the 4th opens
Close unit, power supply signal input and power supply signal output end；The first end of inductance passes through first switch unit and power supply signal
Input terminal is electrically connected, and the first end of inductance is also grounded by second switch unit；The second end of inductance passes through third switch unit
It is electrically connected with power supply signal output end, the second end of inductance is also grounded by the 4th switch unit；
Based on conversion circuit, the first power supply signal is converted to the second source signal for meeting the second fast charge agreement, including：
According to the first fast charge agreement and the second fast charge agreement, control first switch unit, second switch unit, third switch
The on off state of unit and the 4th switch unit.
Optionally, according to the first fast charge agreement and the second fast charge agreement, control first switch unit, second switch unit,
The on off state of third switch unit and the 4th switch unit, including：
In the case that charging voltage in the first fast charge agreement is more than the charging voltage in the second fast charge agreement, according to the
One pulse-width modulation PWM signal carries out switch control to first switch unit, is carried out to second switch unit according to the second pwm signal
Switch control, control third switching means conductive, control the 4th switch unit shutdown, the first duty ratio of the first pwm signal and
Second duty ratio of the second pwm signal by charging converter according in the first fast charge agreement charging voltage and charging current and
Charging voltage in second fast charge agreement and charging current determine, the first duty ratio and the second duty ratio and be 1；
In the case that charging voltage in the first fast charge agreement is less than the charging voltage in the second fast charge agreement, control the
One switching means conductive, control second switch unit shutdown, switch control is carried out according to third pwm signal to third switch unit
System, switch control, the third duty ratio and the 4th PWM of third pwm signal are carried out according to the 4th switch unit of the 4th pwm signal pair
4th duty ratio of signal is by charging converter according to the charging voltage and charging current and second fast in the first fast charge agreement
Fill charging voltage in agreement and charging current determine, third duty ratio and the 4th duty ratio and be 1.
Optionally, conversion circuit further includes first switch control circuit, and first switch unit is the first metal oxide half
Conductor field effect transistor M OS, second switch unit are the 2nd MOS；
The first port of first switch control circuit is electrically connected with the grid of the first MOS, and the of first switch control circuit
Two-port netwerk is electrically connected with the grid of the 2nd MOS, and the drain electrode of the first MOS is electrically connected with power supply signal input, the source electrode of the first MOS
Drain electrode with the 2nd MOS is electrically connected with the first end of inductance respectively, the source electrode ground connection of the 2nd MOS；
According to the first fast charge agreement and the second fast charge agreement, control first switch unit, second switch unit, third switch
The on off state of unit and the 4th switch unit, including：
It is sent and the first MOS and the relevant first switch state control informations of the 2nd MOS to first switch control circuit；Its
In, first switch state control information is used to control the on off state of the first MOS and the 2nd MOS.
Optionally, conversion circuit further includes second switch control circuit；
Third switch unit is third mos field effect transistor MOS, and the 4th switch unit is the 4th
MOS；
The first port of second switch control circuit is electrically connected with the grid of the 3rd MOS, and the of second switch control circuit
Two-port netwerk is electrically connected with the grid of the 4th MOS, and the drain electrode of the 3rd MOS and the source electrode of the 4th MOS are electric with the second end of inductance respectively
Connection, the source electrode of the 3rd MOS are electrically connected with power supply signal output end, the grounded drain of the 4th MOS；
According to the first fast charge agreement and the second fast charge agreement, control first switch unit, second switch unit, third switch
The on off state of unit and the 4th switch unit, including：
It is sent and the 3rd MOS and the relevant second switch state control informations of the 4th MOS to second switch control circuit；Its
In, second switch state control information is used to control the on off state of the 3rd MOS and the 4th MOS.
To sum up, in the embodiment of the present invention, in the case where the use of non-original-pack charger being that mobile terminal charges, mobile terminal
It can realize quick charge.
It is the structure of another charging converter (i.e. charging converter 4) provided in an embodiment of the present invention referring to Fig. 4, Fig. 4
Schematic diagram.As shown in figure 4, the charging converter 4 includes：Processor 41, transmitting-receiving converting unit 42, memory 43 and bus connect
Mouthful, wherein：
Processor 41 executes following process for reading the program in memory 43：
If receiving the second fast charge agreement of mobile terminal transmission, the negotiation of charge protocol is carried out with charger；
Converting unit 42 is received and dispatched, for executing following process：
The charger is received after the negotiation for carrying out charge protocol with the mobile terminal, is assisted based on first fast charge
Discuss the first power supply signal of output；
Based on conversion circuit, the first power supply signal is converted to and the matched second source signal of the second fast charge agreement；
Second source signal is exported to mobile terminal.
In the embodiment of the present invention, in the case where the use of non-original-pack charger being that mobile terminal charges, mobile terminal can
Realize quick charge.
In Fig. 4, bus architecture may include the bus and bridge of any number of interconnection, specifically be represented by processor 41
The various circuits for the memory that one or more processors and memory 43 represent link together.Bus architecture can also will be all
If various other circuits of peripheral equipment, voltage-stablizer and management circuit or the like link together, these are all this fields
Known, therefore, it will not be further described herein.Bus interface provides interface.
It should be noted that transmitting-receiving converting unit 42 is specially a conversion circuit.
Processor 41 is responsible for bus architecture and common processing, and memory 43 can store processor 41 and execute behaviour
Used data when making.
Optionally, conversion circuit includes first switch unit, second switch unit, inductance, third switch unit, the 4th opens
Close unit, power supply signal input and power supply signal output end；The first end of inductance passes through first switch unit and power supply signal
Input terminal is electrically connected, and the first end of inductance is also grounded by second switch unit；The second end of inductance passes through third switch unit
It is electrically connected with power supply signal output end, the second end of inductance is also grounded by the 4th switch unit；
Processor 41, is specifically used for：
According to the first fast charge agreement and the second fast charge agreement, control first switch unit, second switch unit, third switch
The on off state of unit and the 4th switch unit.
Optionally, processor 41 are specifically used for：
In the case that charging voltage in the first fast charge agreement is more than the charging voltage in the second fast charge agreement, according to the
One pulse-width modulation PWM signal carries out switch control to first switch unit, is carried out to second switch unit according to the second pwm signal
Switch control, control third switching means conductive, control the 4th switch unit shutdown, the first duty ratio of the first pwm signal and
Second duty ratio of the second pwm signal by charging converter according in the first fast charge agreement charging voltage and charging current and
Charging voltage in second fast charge agreement and charging current determine, the first duty ratio and the second duty ratio and be 1；
In the case that charging voltage in the first fast charge agreement is less than the charging voltage in the second fast charge agreement, control the
One switching means conductive, control second switch unit shutdown, switch control is carried out according to third pwm signal to third switch unit
System, switch control, the third duty ratio and the 4th PWM of third pwm signal are carried out according to the 4th switch unit of the 4th pwm signal pair
4th duty ratio of signal is by charging converter according to the charging voltage and charging current and second fast in the first fast charge agreement
Fill charging voltage in agreement and charging current determine, third duty ratio and the 4th duty ratio and be 1.
Optionally, conversion circuit further includes first switch control circuit, and first switch unit is the first metal oxide half
Conductor field effect transistor M OS, second switch unit are the 2nd MOS；
The first port of first switch control circuit is electrically connected with the grid of the first MOS, and the of first switch control circuit
Two-port netwerk is electrically connected with the grid of the 2nd MOS, and the third port of first switch control circuit is electrically connected with the controller, the first MOS
Drain electrode be electrically connected with power supply signal input, the drain electrode of the source electrode of the first MOS and the 2nd MOS respectively with the first end of inductance electricity
Connection, the source electrode ground connection of the 2nd MOS；
Processor 41, is specifically used for：
It is sent and the first MOS and the relevant first switch state control informations of the 2nd MOS to first switch control circuit；Its
In, first switch state control information is used to control the on off state of the first MOS and the 2nd MOS.
Optionally, conversion circuit further includes second switch control circuit；
Third switch unit is third mos field effect transistor MOS, and the 4th switch unit is the 4th
MOS；
The first port of second switch control circuit is electrically connected with the grid of the 3rd MOS, and the of second switch control circuit
Two-port netwerk is electrically connected with the grid of the 4th MOS, and the third port of second switch control circuit is electrically connected with the controller, the 3rd MOS
Drain electrode and the source electrode of the 4th MOS be electrically connected respectively with the second end of inductance, the source electrode and power supply signal output end of the 3rd MOS is electric
Connection, the grounded drain of the 4th MOS；
Processor 41, is specifically used for：
It is sent and the 3rd MOS and the relevant second switch state control informations of the 4th MOS to second switch control circuit；Its
In, second switch state control information is used to control the on off state of the 3rd MOS and the 4th MOS.
It should be noted that above-mentioned charging converter 4 can be embodiment of the method in the embodiment of the present invention in the present embodiment
In arbitrary embodiment charging converter, in the embodiment of the present invention in embodiment of the method charging converter arbitrary embodiment
It can be realized by the above-mentioned charging converter 4 in the present embodiment, and reach identical advantageous effect, it is no longer superfluous herein
It states.
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, realizes each process of charging method embodiment when which is executed by processor, and can reach identical
Technique effect, 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..
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that UE (can be mobile phone, computer, server,
Air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
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 (10)
1. a kind of charging converter, which is characterized in that for being electrically connected charger and mobile terminal, the charger supports first
Fast charge agreement, the mobile terminal support that the second fast charge agreement, the charging converter include：The controller of electrical connection and conversion
Circuit；Wherein,
The controller, if the second fast charge agreement sent for receiving the mobile terminal, with the charger into
The negotiation of row charge protocol；
The conversion circuit is based on institute for receiving the charger after the negotiation for carrying out charge protocol with the controller
The first power supply signal for stating the output of the first fast charge agreement, first power supply signal is converted to and the second fast charge agreement
The second source signal matched, and export the second source signal to the mobile terminal.
2. charging converter according to claim 1, which is characterized in that the conversion circuit include first switch unit,
Second switch unit, inductance, third switch unit, the 4th switch unit, power supply signal input and power supply signal output end；Institute
The first end for stating inductance is electrically connected by the first switch unit with the power supply signal input, the first end of the inductance
Also it is grounded by the second switch unit；The second end of the inductance passes through the third switch unit and the power supply signal
Output end is electrically connected, and the second end of the inductance is also grounded by the 4th switch unit；It is the first switch unit, described
Second switch unit, the third switch unit and the 4th switch unit are also electrically connected with the controller；
The controller is specifically used for according to the first fast charge agreement and the second fast charge agreement, and control described first is opened
Close the on off state of unit, the second switch unit, the third switch unit and the 4th switch unit.
3. charging converter according to claim 2, which is characterized in that the controller is specifically used for：
In the case that charging voltage in the first fast charge agreement is more than the charging voltage in the second fast charge agreement, press
Switch control is carried out to the first switch unit according to the first pulse-width modulation PWM signal, according to the second pwm signal to described second
Switch unit carries out switch control, controls the third switching means conductive, controls the 4th switch unit shutdown；Wherein,
First duty ratio of first pwm signal and the second duty ratio of second pwm signal are by the controller according to
The charging voltage and charging current in charging voltage and charging current and the second fast charge agreement in first fast charge agreement
Determine, first duty ratio and second duty ratio and be 1；
In the case that charging voltage in the first fast charge agreement is less than the charging voltage in the second fast charge agreement, control
The first switch unit conducting is made, the second switch unit shutdown is controlled, the third is switched according to third pwm signal
Unit carries out switch control, and switch control is carried out to the 4th switch unit according to the 4th pwm signal；Wherein, the third
The third duty ratio of pwm signal and the 4th duty ratio of the 4th pwm signal are assisted by the controller according to first fast charge
Charging voltage and charging current in view and the charging voltage in the second fast charge agreement and charging current determine, described the
Three duty ratios and the 4th duty ratio and be 1.
4. charging converter according to claim 3, which is characterized in that the conversion circuit further includes：First switch control
Circuit processed；Wherein,
The first switch unit is the first mos field effect transistor MOS, and the second switch unit is
2nd MOS；
The first port of the first switch control circuit is electrically connected with the grid of the first MOS, the first switch control
The second port of circuit is electrically connected with the grid of the 2nd MOS, the third port of the first switch control circuit with it is described
Controller is electrically connected, and the drain electrode of the first MOS is electrically connected with the power supply signal input, the source electrode of the first MOS with
The drain electrode of 2nd MOS is electrically connected with the first end of the inductance respectively, the source electrode ground connection of the 2nd MOS；
The controller is specifically used for sending and the first MOS and the 2nd MOS phases to the first switch control circuit
The first switch state control information of pass；
The first switch control circuit, for according to the first switch state control information, controlling the first MOS and institute
State the on off state of the 2nd MOS.
5. charging converter according to claim 3, which is characterized in that the conversion circuit further includes：Second switch control
Circuit processed；Wherein,
The third switch unit is third mos field effect transistor MOS, and the 4th switch unit is
4th MOS；
The first port of the second switch control circuit is electrically connected with the grid of the 3rd MOS, the second switch control
The second port of circuit is electrically connected with the grid of the 4th MOS, the third port of the second switch control circuit with it is described
Controller is electrically connected, and the second end of the drain electrode of the 3rd MOS and the source electrode of the 4th MOS respectively with the inductance is electrically connected
It connects, the source electrode of the 3rd MOS is electrically connected with the power supply signal output end, the grounded drain of the 4th MOS；
The controller is specifically used for sending and the 3rd MOS and the 4th MOS phases to the second switch control circuit
The second switch state control information of pass；
The second switch control circuit, for according to the second switch state control information, controlling the 3rd MOS and institute
State the on off state of the 4th MOS.
6. a kind of charging method, which is characterized in that be applied to charging converter, the charging converter is for being electrically connected charger
And mobile terminal, the charger support the first fast charge agreement, the mobile terminal that the second fast charge agreement, the charging is supported to turn
Parallel operation includes conversion circuit, the method includes：
If receiving the second fast charge agreement that the mobile terminal is sent, the association of charge protocol is carried out with the charger
Quotient；
The charger is received after the negotiation for carrying out charge protocol with the mobile terminal, it is defeated based on the first fast charge agreement
The first power supply signal gone out；
Based on the conversion circuit, first power supply signal is converted to and the matched second source of the second fast charge agreement
Signal；
The second source signal is exported to the mobile terminal.
7. according to the method described in claim 6, it is characterized in that, the conversion circuit includes first switch unit, second opens
Close unit, inductance, third switch unit, the 4th switch unit, power supply signal input and power supply signal output end；The inductance
First end be electrically connected with the power supply signal input by the first switch unit, the first end of the inductance also passes through
The second switch unit ground connection；The second end of the inductance passes through the third switch unit and the power supply signal output end
The second end of electrical connection, the inductance is also grounded by the 4th switch unit；
It is described to be based on the conversion circuit, first power supply signal is converted to the second electricity for meeting the second fast charge agreement
Source signal, including：
According to the first fast charge agreement and the second fast charge agreement, the first switch unit, the second switch are controlled
The on off state of unit, the third switch unit and the 4th switch unit.
8. the method according to the description of claim 7 is characterized in that described according to the first fast charge agreement and described second fast
Agreement is filled, it is single to control the first switch unit, the second switch unit, the third switch unit and the 4th switch
The on off state of member, including：
In the case that charging voltage in the first fast charge agreement is more than the charging voltage in the second fast charge agreement, press
Switch control is carried out to the first switch unit according to the first pulse-width modulation PWM signal, according to the second pwm signal to described second
Switch unit carries out switch control, controls the third switching means conductive, controls the 4th switch unit shutdown, and described the
First duty ratio of one pwm signal and the second duty ratio of second pwm signal are by the charging converter according to described
Charging voltage and charging current in one fast charge agreement and the charging voltage in the second fast charge agreement and charging current are true
It is fixed, first duty ratio and second duty ratio and be 1；
In the case that charging voltage in the first fast charge agreement is less than the charging voltage in the second fast charge agreement, control
The first switch unit conducting is made, the second switch unit shutdown is controlled, the third is switched according to third pwm signal
Unit carries out switch control, and switch control, the 3rd PWM letters are carried out to the 4th switch unit according to the 4th pwm signal
Number third duty ratio and the 4th duty ratio of the 4th pwm signal assisted according to first fast charge by the charging converter
Charging voltage and charging current in view and the charging voltage in the second fast charge agreement and charging current determine, described the
Three duty ratios and the 4th duty ratio and be 1.
9. according to the method described in claim 8, it is characterized in that, the conversion circuit further includes first switch control circuit,
The first switch unit is the first mos field effect transistor MOS, and the second switch unit is second
MOS；
The first port of the first switch control circuit is electrically connected with the grid of the first MOS, the first switch control
The second port of circuit is electrically connected with the grid of the 2nd MOS, drain electrode and the power supply signal input of the first MOS
Electrical connection, the drain electrode of the source electrode and the 2nd MOS of the first MOS is electrically connected with the first end of the inductance respectively, described
The source electrode of 2nd MOS is grounded；
It is described according to the first fast charge agreement and the second fast charge agreement, control the first switch unit, described second
The on off state of switch unit, the third switch unit and the 4th switch unit, including：
It is sent and the first MOS and the relevant first switch state controls of the 2nd MOS to the first switch control circuit
Information processed；Wherein, the first switch state control information is used to control the switch shape of the first MOS and the 2nd MOS
State.
10. according to the method described in claim 8, it is characterized in that, the conversion circuit further includes second switch control circuit；
The third switch unit is third mos field effect transistor MOS, and the 4th switch unit is
4th MOS；
The first port of the second switch control circuit is electrically connected with the grid of the 3rd MOS, the second switch control
The second port of circuit is electrically connected with the grid of the 4th MOS, the drain electrode of the 3rd MOS and the source electrode of the 4th MOS
It is electrically connected respectively with the second end of the inductance, the source electrode of the 3rd MOS is electrically connected with the power supply signal output end, described
The grounded drain of 4th MOS；
It is described according to the first fast charge agreement and the second fast charge agreement, control the first switch unit, described second
The on off state of switch unit, the third switch unit and the 4th switch unit, including：
It is sent and the 3rd MOS and the relevant second switch state controls of the 4th MOS to the second switch control circuit
Information processed；Wherein, the second switch state control information is used to control the switch shape of the 3rd MOS and the 4th MOS
State.
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| CN112260366A (en) * | 2020-11-06 | 2021-01-22 | 维沃移动通信有限公司 | Charging method, charging device and charger |
| CN112653213A (en) * | 2020-12-17 | 2021-04-13 | 维沃移动通信有限公司 | Charging control method and device |
| CN112886656A (en) * | 2021-01-15 | 2021-06-01 | 维沃移动通信有限公司 | Conversion device and charging system |
| WO2022143380A1 (en) * | 2020-12-29 | 2022-07-07 | 维沃移动通信有限公司 | Charging conversion device, and charging control method |
| WO2024046109A1 (en) * | 2022-08-27 | 2024-03-07 | 华为技术有限公司 | Charging method and electric device |
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| Publication number | Publication date |
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| CN108390430B (en) | 2020-02-21 |
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