CN107294172A - Terminal device, power supply adaptor and charge control method - Google Patents
Terminal device, power supply adaptor and charge control method Download PDFInfo
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- CN107294172A CN107294172A CN201710597666.3A CN201710597666A CN107294172A CN 107294172 A CN107294172 A CN 107294172A CN 201710597666 A CN201710597666 A CN 201710597666A CN 107294172 A CN107294172 A CN 107294172A
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- terminal device
- charging
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- charge
- power supply
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000007600 charging Methods 0.000 claims abstract description 248
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 238000012790 confirmation Methods 0.000 claims description 17
- 230000004044 response Effects 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 14
- 230000005611 electricity Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
-
- H02J7/022—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiments of the invention provide a kind of terminal device, power supply adaptor and charge control method.Terminal device provided in an embodiment of the present invention includes System on Chip/SoC, charging chip and the first charging inlet, also include first switch, first charge controlling chip and the first blocking termination power, when to terminal device quick charge, first charge controlling chip can control first switch, by the first charging inlet just, negative pole data pin is connected with power pins and grounding pin respectively, the data wire in USB transmission line is set to be used to charge together with power line, so as to increase charging current, in the timing of charge power one, reduce the input of the charging chip of terminal device and the voltage difference of output end, so as to reduce the loss of charging chip, alleviate the degree of heat during terminal device charging, improve charge efficiency, terminal device in the prior art is solved to a certain extent to be lost during quick charge greatly, the problem of causing serious terminal device heating and relatively low charge efficiency.
Description
【Technical field】
The present invention relates to the communications field, more particularly to a kind of terminal device, power supply adaptor and charge control method.
【Background technology】
More and more with the function of terminal device, correspondingly, the power consumption of terminal device is also increasing.This causes terminal
Equipment needs continually to charge.This demand promotes the generation of rapid nitriding.
Wherein, a kind of quick charge scheme is charged using charging chip to the battery of terminal device.Fig. 1 is existing skill
The structural representation of terminal device in art.As shown in Figure 1.In the prior art, terminal device includes System on Chip/SoC 11, charging core
Piece 12 and charging inlet 13.The one side of charging inlet 13 is connected by power line with charging chip 12, on the other hand passes through data
Line is connected with System on Chip/SoC 11.
When carrying out quick charge to the terminal device shown in Fig. 1, power supply adaptor (i.e. charger) end output voltage is carried
Height, high-tension electric current is transferred to the charging inlet 13 of terminal device by the power line in transmission line (such as USB line), charging
Interface 13 is charged by charging chip to the battery in terminal device again.This quick charge scheme, uses high voltage low current
Mode electric current is filled with terminal device from power supply adaptor, therefore charging chip 13 input and output end voltage difference very
Greatly.And the voltage difference between the loss of charging chip and the input and output end of charging chip is directly proportional.So, in charging
During, the loss of charging chip is very big, causes terminal device heating when charging serious, and cause charge efficiency compared with
It is low.
【The content of the invention】
In view of this, the embodiments of the invention provide a kind of terminal device, power supply adaptor and charge control method, it is used to
Solve terminal device in the prior art to be lost during quick charge greatly, cause terminal device heating serious and charge efficiency
Relatively low the problem of.
In a first aspect, the embodiment of the present invention provides a kind of terminal device, including System on Chip/SoC, charging chip and the first charging
Interface, first charging inlet is connected with the charging chip by the first power line, the charging chip also with the end
The battery of end equipment is connected, and the terminal device also includes：
First switch, is connected with the charging chip and the System on Chip/SoC respectively, and by the first data wire with it is described
The data pin of first charging inlet is connected；
First charge controlling chip, is connected with the first switch, the charging chip, the System on Chip/SoC respectively；
First blocking termination power, is connected with first charge controlling chip, and passes through first power line and institute
The first charging inlet is stated to be connected.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described first fills
Electric control chip is single-chip microcomputer.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described first fills
Electrical interface is USB interface.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described first opens
Close as double-point double-throw switch.
Second aspect, the embodiment of the present invention provides a kind of power supply adaptor, including AC DC change-over circuit and second fills
Electrical interface, the AC DC change-over circuit is connected with second charging inlet by second source line, the power adaptation
Device also includes：
Second switch, is connected with the AC DC change-over circuit, and passes through the second data wire and second charging
The data pin of mouth is connected；
Second charge controlling chip, is connected with the second switch, the AC DC change-over circuit respectively；
Second blocking termination power, is connected with second charge controlling chip, and passes through the second source line and institute
The second charging inlet is stated to be connected.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described second fills
Electric control chip is single-chip microcomputer.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described second fills
Electrical interface is USB interface.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described second opens
Close as double-point double-throw switch.
The third aspect, the embodiment of the present invention provides a kind of charge control method, applied to terminal device, including：
First charge controlling chip of the terminal device detect the terminal device the first charging inlet whether with electricity
Source adapter is connected；
When first charge controlling chip detects first charging inlet and is connected with power supply adaptor, pass through institute
The transmission quick charge of the first charging inlet is stated to ask to the power supply adaptor；
When receiving the confirmation that the power supply adaptor is asked in response to the quick charge, first charging
Control chip controls the first switch of the terminal device, by the positive pole data pin and power pins of first charging inlet
Connection, and negative pole data pin is connected with grounding pin；
First charge controlling chip sends first by first charging inlet, to the power supply adaptor and prepared
Ready information, so that the power supply adaptor is according to the described first ready information, by its corresponding second charging inlet
Positive pole data pin is connected with power pins, and negative pole data pin is connected with grounding pin, and to the terminal device
Return to the second ready information；
When receiving the second ready information that the power supply adaptor is returned, the first charge control core
Piece starts the charging chip of the terminal device, and the battery of the terminal device is charged with specified current flow, described to specify
Electric current is more than charging current of the terminal device when being charged by the power line of first charging inlet.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, methods described is also
Including：
If not receiving the confirmation that the power supply adaptor is asked in response to the quick charge, first charging
Control chip starts the charging chip of the terminal device, charging during being charged by the power line of first charging inlet
Electric current is charged.
Fourth aspect, the embodiment of the present invention provides a kind of charge control method, applied to power supply adaptor, including：
After being connected with terminal device, the second charge controlling chip of the power supply adaptor passes through the power supply adaptor
The second charging inlet, receive the quick charge request that the terminal device is sent；
Second charge controlling chip is asked in response to the quick charge, by second charging inlet to described
Terminal device sends confirmation；
Second charge controlling chip receives the first standard that the terminal device is sent by second charging inlet
Standby ready information；
Second charge controlling chip is according to the described first ready information, by the positive pole of second charging inlet
Data pin is connected with power pins, and negative pole data pin is connected with grounding pin；
Second charge controlling chip returns to second by second charging inlet, to the terminal device and prepared just
Thread information, so that the terminal device is according to the described second ready message, starts the charging chip of the terminal device, with
Specified current flow charges to the battery of the terminal device, and the specified current flow is more than the terminal device by described the
Charging current during the power line charging of one charging inlet.
The embodiment of the present invention has the advantages that：
The embodiment of the present invention, by when to terminal device quick charge, by the data wire and power line in USB transmission line
It is used to charge together, so as to increase charging current, in the case where charge power is certain, increase charging current causes charging electricity
Pressure drop is low, therefore reduces the input of the charging chip of terminal device and the voltage difference of output end, so as to reduce charging core
The loss of piece, alleviates the degree of heat of terminal device when charging, and improve charge efficiency.
【Brief description of the drawings】
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of terminal device in the prior art.
Fig. 2 is the structural representation of terminal device provided in an embodiment of the present invention.
Fig. 3 is the pin schematic diagram of USB interface.
Fig. 4 is the example topology figure of first switch 24 provided in an embodiment of the present invention.
Fig. 5 is the structural representation of power supply adaptor provided in an embodiment of the present invention.
Fig. 6 is the first pass exemplary plot of charge control method provided in an embodiment of the present invention.
Fig. 7 is the second procedure exemplary plot of charge control method provided in an embodiment of the present invention.
Fig. 8 is the 3rd flow example figure of charge control method provided in an embodiment of the present invention.
【Embodiment】
In order to be better understood from technical scheme, the embodiment of the present invention is retouched in detail below in conjunction with the accompanying drawings
State.
It will be appreciated that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
Its embodiment, belongs to the scope of protection of the invention.
The term used in embodiments of the present invention is the purpose only merely for description specific embodiment, and is not intended to be limiting
The present invention." one kind ", " described " and "the" of singulative used in the embodiment of the present invention and appended claims
It is also intended to including most forms, unless context clearly shows that other implications.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, represent
There may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while there is A and B, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining " or " in response to detection ".Similarly, depending on linguistic context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when it is determined that when " or " in response to determine " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
The embodiments of the invention provide a kind of terminal device.
Fig. 2 is the structural representation of terminal device provided in an embodiment of the present invention.As shown in Fig. 2 in the present embodiment, terminal
Equipment includes System on Chip/SoC 21, charging chip 22, the first charging inlet 23, first switch 24, the and of the first charge controlling chip 25
First blocking termination power 26.Wherein, the first charging inlet 23 is connected with charging chip 22 by the first power line, charging chip
22 are also connected with the battery of terminal device.First switch 24 is connected with charging chip 22 and System on Chip/SoC 21 respectively, also, first
Switch 24 is connected by the first data wire with the data pin of the first charging inlet 23.First charge controlling chip 25 is respectively with
One switch 24, charging chip 22, System on Chip/SoC 21 are connected.First blocking termination power 26 and the phase of the first charge controlling chip 25
Connect, also, the first blocking termination power 26 is connected by the first power line with the first charging inlet 23.
Wherein, terminal device can be mobile phone, tablet personal computer etc..
Wherein, the first charging inlet 23 can be USB interface.
Wherein, System on Chip/SoC can be SOC (System on Chip, on-chip system) chip.System on Chip/SoC is typically eventually
The master chip of end equipment.
First charging inlet 23 at least includes four pins, be respectively power pins, grounding pin, positive pole data pin and
Negative pole data pin.Wherein, positive pole data pin and negative pole data pin belong to data pin, and data pin connects with data wire
Connect.Wherein, power pins and grounding pin belong to power pins, and power pins are connected with power line.
By taking USB interface as an example.Fig. 3 is the pin schematic diagram of USB interface.Referring to Fig. 3, VBUS pins are power pins, DM
Pin is negative pole data pin, and DP pins are positive pole data pin, and ID pins are detection pin, and GND pin is grounding pin.
Common in use, the power pins of the first charging inlet 23 are used to charge, data pin is used to carry out data
Transmission., can be by the positive pole data pin of the first charging inlet 23 when carrying out quick charge to terminal device in the present embodiment
Disconnect, and be connected with power pins with the positive pole data pin of System on Chip/SoC 21, and by the positive number of poles of the first charging inlet 23
The positive pole charging pins of charging chip 22 are connected to according to pin and power pins, by the negative pole data pin of the first charging inlet 23
Disconnect, and be connected with grounding pin with the positive pole data pin of System on Chip/SoC 21, and by the negative pole number of the first charging inlet 23
The negative pole charging pins of charging chip 22 are connected to according to pin and grounding pin, meanwhile, also do same at power supply adaptor end
Connection.In this way, data wire in transmission line between the first charging inlet 23 charging inlet corresponding to power supply adaptor end and
Power line is equivalent to parallel connection has been carried out, and the two lines after parallel connection may be used to charging, in this way, it is possible to not increase independent stream
On the premise of electric current through power line, increase overall charging current.Because charge power is equal to charging current and charging voltage
Product, in the case where charge power is certain, it is possible to reduce charging voltage.Input and output due to charging chip 22
Voltage difference between end is equal to charging voltage, therefore can reduce the voltage between the input and output end of charging chip 22
Difference.
And the voltage difference between the loss of charging chip and the input and output end of charging chip is directly proportional.So, fill
Voltage difference between the input and output end of electrical chip 22 is reduced, and the loss of charging chip is reduced by, and loss reduction is led
The heat for causing charging chip to produce reduces, so as to alleviate the degree of heat of the terminal device in charging.Also, in charging
In the case that total electric energy is certain, the loss of charging chip is reduced, and the electric energy charged to terminal device battery is increased, so as to carry
High charge efficiency.
Wherein, the connection for two data pins of the first charging inlet 23 switches, and can pass through first shown in Fig. 2
Charge controlling chip 25 and first switch 24 are realized.Wherein, the first charge controlling chip 25 is used to carry out first switch 24
Connection control, to be charged together by the power line and data wire that connect the first charging inlet 23, its control flow can be with
It is as follows：
First charge controlling chip 25 detects whether the first charging inlet 23 is connected with power supply adaptor；
When the first charge controlling chip 25 detects the first charging inlet 23 and is connected with power supply adaptor, filled by first
Electrical interface 23 sends quick charge and asked to power supply adaptor；
When receiving the confirmation that power supply adaptor is asked in response to quick charge, the first charge controlling chip 25 is controlled
First switch 24 processed, the positive pole data pin of the first charging inlet 23 is connected with power pins, and by negative pole data pin
Connected with grounding pin；
First charge controlling chip 25 sends the first ready letter by the first charging inlet 23 to power supply adaptor
Breath, so that power supply adaptor is according to the first ready information, by the positive pole data pin of its corresponding second charging inlet and
Power pins are connected, and negative pole data pin is connected with grounding pin, and return to the second ready letter to terminal device
Breath；
When receiving the second ready information of power supply adaptor return, the first charge controlling chip 25 starts terminal
The charging chip of equipment, is charged with specified current flow to the battery of terminal device, and specified current flow is passing through more than terminal device
Charging current during the power line charging of the first charging inlet 23.
Wherein, the first charge controlling chip 25 can be detected to the detection pin of the first charging inlet 23, obtain
One testing result, System on Chip/SoC 21 can be detected to USB data line, obtain the second testing result, charging chip 22 can
Obtain the 3rd testing result, the first charge controlling chip 25, which can be adopted, is detected to the VBUS pins for being used to charge of itself
Second testing result of collecting system chip 21 and the 3rd testing result of charging chip 22, and combine the first charge controlling chip
25 the first testing results itself obtained, are detected come the state to terminal device.It is specifically described below.
First charging inlet 23 of terminal device does not charge when not using, and does not also access outside and sets
When standby, two data pins of the first charging inlet 23 are kept to be connected with USB data transmission signal bus.
When terminal device accesses OTG (On-The-Go) transmission line, the first charge controlling chip 25 of terminal device
Low level is in by the detection pin (such as the ID pins of USB interface) of equipment sensing signal detection to the first charging inlet 23
State, terminal device is closed without charging, the first charge controlling chip 25 control charging chip 22.
When terminal device accesses USB data line, the first charge controlling chip 25 passes through equipment sensing signal detection to first
The detection pin of charging inlet 23 keeps high level state, and charging chip 22 detects VBUS and there is 5V power supplys, System on Chip/SoC 21
Detect DM or DP pins and be in high level, then terminal device is linked into apparatus such as computer as external equipment, system core
This information transmission is passed to the first charge controlling chip 25 by piece 21 by communication bus, and the first charge controlling chip 25 is opened
Charging chip 22, the current limliting 500mA of charging chip 22 chargings.Now, terminal device is the electricity separately through the first charging inlet 23
Source line is charged.
When terminal device accesses USB data line, the first charge controlling chip 25 of terminal device passes through equipment sensing signal
The detection pin for detecting the first charging inlet 23 keeps high level state, and charging chip 22 detects VBUS and there is 5V power supplys,
System on Chip/SoC 21 detects DM or DP pins and is in low level, then it is that power supply adaptor connects that the first charge controlling chip 25, which judges,
Enter terminal device, the first charge controlling chip 25 of terminal device sends fast charge protocol by the first blocking termination power 26
Onto VBUS circuits, the confirmation signal for then waiting power supply adaptor end to transmit, if being not received by power supply adaptor
The confirmation signal transmitted is held, then judges that power supply adaptor does not meet this fast charge protocol, the first charging of terminal device
Control chip 25 opens charging chip 22, is charged according to the electric current of setting, now charging current needs to meet BC1.2 agreements, i.e.,
Less than 1.8A, to ensure charging safety.
When terminal device accesses USB data line, the first charge controlling chip 25 of terminal device passes through equipment sensing signal
Detect detection pin and keep high level state, charging chip 22 detects VBUS and there is 5V power supplys, and System on Chip/SoC 21 is detected
DM or DP pins are in low level, then it is power supply adaptor access terminal equipment, first that the first charge controlling chip 25, which judges,
Charge controlling chip 25 sends fast charge protocol to VBUS circuits by the first blocking termination power 26, then waits power supply
The confirmation signal that adapter end is transmitted, if receiving the confirmation signal that power supply adaptor end is transmitted, judges electricity
Source adapter meets this fast charge protocol, now, and the first charge controlling chip 25 controls the first charging inlet 23 to pass through power supply
Line and data wire are charged together.
Wherein, first switch 24 can be double-point double-throw switch.
Wherein, the first charge controlling chip 25 can be single-chip microcomputer, can also be that other have the core of signal handling capacity
Piece.
Wherein, the first charging inlet 23 can be USB interface.
It is below exemplified by double-point double-throw switch, the first charging inlet 23 are USB interfaces, to illustrate that first opens by first switch 24
Connected mode of the pass 24 for two data pins of the first charging inlet 23.Fig. 4 opens for provided in an embodiment of the present invention first
The example topology figure of pass 24.Referring to Fig. 4, first switch 24 can be selected first switch 24 just by selecting end SELECT
Pole data pin DP is connected to the D+ pins inside terminal device (D+ pins are on the System on Chip/SoC 21 of terminal device), Huo Zhexuan
Selecting the VBUS pins that are connected to the positive pole data pin DP of first switch 24 inside terminal device, (VBUS pins are in terminal device
The first charging chip 22 on), and selection the negative pole data pin DM of first switch 24 is connected to inside terminal device
D- pins (D- pins are on the System on Chip/SoC 21 of terminal device), or selection connect the negative pole data pin DM of first switch 24
It is connected to the GND pin (GND pin i.e. grounding pin, on the first charging chip 22 of terminal device) inside terminal device.
Wherein, the first blocking termination power 26 is used to separate direct current, makes in circuit by alternating current.
Therefore, terminal device provided in an embodiment of the present invention, can be by USB transmission line in quick charge
Data wire is used to charge together with power line, so that charging current is increased, in the case where charge power is certain, increase charging
Electric current causes charging voltage to reduce, therefore reduces the input of the charging chip of terminal device and the voltage difference of output end, from
And the loss of charging chip is reduced, the degree of heat of terminal device when charging is alleviated, and improve charge efficiency.
The embodiment of the present invention additionally provides a kind of power supply adaptor.
Fig. 5 is the structural representation of power supply adaptor provided in an embodiment of the present invention.As shown in figure 5, in the present embodiment, electricity
Source adapter include AC DC change-over circuit 51, the second charging inlet 52, second switch 53, the second charge controlling chip 54,
Second blocking termination power 55.Wherein, AC DC change-over circuit 51 is connected with the second charging inlet 52 by second source line,
Second switch 53 is connected with AC DC change-over circuit 51, also, second switch 53 passes through the second data wire and the second charging
The data pin of mouth is connected.Second charge controlling chip 54 is connected with second switch 53, AC DC change-over circuit 51 respectively.The
Two blocking termination powers 55 are connected with the second charge controlling chip 54, also, the second blocking termination power 55 passes through second source
Line is connected with the second charging inlet 52.
Wherein, the second charge controlling chip 54 can be single-chip microcomputer.
Wherein, the second charging inlet 52 can be USB interface.
Wherein, second switch 53 can be double-point double-throw switch.
Wherein, the second blocking termination power 55 is used to separate direct current, makes in circuit by alternating current.
Wherein, the second charge controlling chip 54 is used to detect the terminal device support utilization that power supply adaptor is connected
When the data wire and power line of USB transmission line charge together, the positive number of poles of the second charging inlet 52 is controlled by second switch 53
It is connected according to pin with power pins, and the negative pole data pin of the second charging inlet 52 of control is connected with grounding pin, so as to
The terminal device connected together to power supply adaptor by the data wire and power line of USB transmission line charges.Now,
The control flow of two charge controlling chips 54 can be as follows：
After power supply adaptor is connected with terminal device, the second charge controlling chip 54 is connect by the second charging inlet 52
Receive the quick charge request that terminal device is sent.
Second charge controlling chip 54 is asked in response to the quick charge, is sent out by the second charging inlet 52 to terminal device
Send confirmation.
The first ready letter that second charge controlling chip 54 is sent by the receiving terminal apparatus of the second charging inlet 52
Breath.
Second charge controlling chip 54 is according to the first ready information, by the positive pole data pin of the second charging inlet 52
Connected with power pins, and negative pole data pin is connected with grounding pin.
Second charge controlling chip 54 returns to the second ready information by the second charging inlet 52 to terminal device,
So that terminal device is according to the second ready message, start the charging chip of terminal device, with specified current flow to terminal device
Battery charged, specified current flow is more than charging electricity of the terminal device when being charged by the power line of the first charging inlet
Stream.
Wherein, connection switching mode and foregoing first switch 24 of the second switch 53 for the pin of the second charging inlet 52
Connection switching mode to the pin of the first charging inlet 23 is identical, and associated description refers to the foregoing explanation to Fig. 4, herein not
Repeat again.
Wherein, the second charge controlling chip 54 can be made defeated by adjusting the output voltage of AC DC change-over circuit 51
Go out voltage reduction, to increase the charging current of output.
In the application, the first charge controlling chip 25 of terminal device can be by the maximum of the charging chip 22 of terminal device
Bear information of voltage and be sent to power supply adaptor, the second charge controlling chip 54 of power supply adaptor is referred to the maximum and born
Voltage, to adjust the output voltage of AC DC change-over circuit 51, makes output voltage be born in the maximum below voltage.
Power supply adaptor provided in an embodiment of the present invention, in quick charge, can by the data wire in USB transmission line with
Power line is used to charge together, so as to increase charging current, in the case where charge power is certain, increase charging current causes
Charging voltage is reduced, therefore reduces the input of the charging chip of terminal device and the voltage difference of output end, so as to reduce
The loss of the charging chip of terminal device, alleviates the degree of heat of terminal device when charging, and improve charging effect
Rate.
The embodiment of the present invention additionally provides a kind of charge control method.
Fig. 6 is the first pass exemplary plot of charge control method provided in an embodiment of the present invention.As shown in fig. 6, the charging
Control method is applied to terminal device, and this method includes：
Whether S601, the first charging inlet of the first charge controlling chip detection terminal device of terminal device is suitable with power supply
Orchestration is connected.
S602, when the first charge controlling chip detects the first charging inlet and is connected with power supply adaptor, passes through first
Charging inlet sends quick charge and asked to power supply adaptor.
S603, when receiving the confirmation that power supply adaptor is asked in response to quick charge, the first charge control core
The first switch of piece control terminal equipment, the positive pole data pin of the first charging inlet is connected with power pins, and will be negative
Pole data pin is connected with grounding pin.
S604, the first charge controlling chip sends the first ready letter by the first charging inlet to power supply adaptor
Breath, so that power supply adaptor is according to the first ready information, by the positive pole data pin of its corresponding second charging inlet and
Power pins are connected, and negative pole data pin is connected with grounding pin, and return to the second ready letter to terminal device
Breath.
S605, when receiving the second ready information of power supply adaptor return, the first charge controlling chip starts
The charging chip of terminal device, is charged with specified current flow to the battery of terminal device, and specified current flow exists more than terminal device
Charging current when being charged by the power line of the first charging inlet.
By embodiment illustrated in fig. 6, when power supply adaptor carries out quick charge to terminal device, due to terminal device
Second charging inlet of the first charging inlet and power supply adaptor, all connects the positive pole data pin and power pins of interface
Logical, negative pole data pin is connected with grounding pin, so, just by the USB between the first charging inlet and the second charging inlet
Power line and data line parallel in transmission line get up and are used to charge, so as to increase charging current.It is certain in charge power
In the case of, increase charging current, charging voltage is reduced by, therefore, the input of the charging chip of terminal device with it is defeated
Going out the voltage difference at end just reduces, so as to reduce the loss of the charging chip of terminal device, alleviates terminal device in charging
When the degree of heat, and improve charge efficiency.
Fig. 7 is the second procedure exemplary plot of charge control method provided in an embodiment of the present invention.As shown in fig. 7, the charging
Control method is applied to terminal device, and this method includes：
Whether S701, the first charging inlet of the first charge controlling chip detection terminal device of terminal device is suitable with power supply
Orchestration is connected.
S702, when the first charge controlling chip detects the first charging inlet and is connected with power supply adaptor, passes through first
Charging inlet sends quick charge and asked to power supply adaptor.
S703, judges whether to receive the confirmation that power supply adaptor is asked in response to quick charge, if received
The confirmation that power supply adaptor is asked in response to quick charge, performs S704, otherwise performs S707.
S704, the first switch of the first charge controlling chip control terminal equipment, by the positive pole data of the first charging inlet
Pin is connected with power pins, and negative pole data pin is connected with grounding pin.
S705, the first charge controlling chip sends the first ready letter by the first charging inlet to power supply adaptor
Breath, so that power supply adaptor is according to the first ready information, by the positive pole data pin of its corresponding second charging inlet and
Power pins are connected, and negative pole data pin is connected with grounding pin, and return to the second ready letter to terminal device
Breath.
S706, when receiving the second ready information of power supply adaptor return, the first charge controlling chip starts
The charging chip of terminal device, is charged with specified current flow to the battery of terminal device, and specified current flow exists more than terminal device
Charging current when being charged by the power line of the first charging inlet, terminates.
S707, the first charge controlling chip starts the charging chip of terminal device, to pass through the power supply of the first charging inlet
Charging current when line charges is charged.
In embodiment illustrated in fig. 7, on the basis of embodiment illustrated in fig. 6, when terminal device is not received by power adaptation
During the confirmation that device is asked in response to quick charge, you can judge that power supply adaptor is not supported to utilize data wire and power line one
The high current quick charge scheme of charging is played, now terminal device returns to the high voltage low current that is charged merely with power line
Fast charge mode.
Fig. 8 is the 3rd flow example figure of charge control method provided in an embodiment of the present invention.As shown in figure 8, the charging
Control method is applied to power supply adaptor, and this method includes：
S801, after being connected with terminal device, the second charge controlling chip of power supply adaptor passes through power supply adaptor
Second charging inlet, the quick charge request that receiving terminal apparatus is sent.
S802, the second charge controlling chip is asked in response to quick charge, is sent out by the second charging inlet to terminal device
Send confirmation.
S803, the first ready letter that the second charge controlling chip is sent by the second charging inlet receiving terminal apparatus
Breath.
S804, the second charge controlling chip draws the positive pole data of the second charging inlet according to the first ready information
Pin is connected with power pins, and negative pole data pin is connected with grounding pin.
S805, the second charge controlling chip returns to the second ready information by the second charging inlet to terminal device,
So that terminal device is according to the second ready message, start the charging chip of terminal device, with specified current flow to terminal device
Battery charged, specified current flow is more than charging electricity of the terminal device when being charged by the power line of the first charging inlet
Stream.
Charge control method flow in embodiment illustrated in fig. 8, be and the charge control side in foregoing embodiment illustrated in fig. 6
The flow at the corresponding power supply adaptor end of method flow, terminal device and power supply adaptor shown in Fig. 6, Fig. 8 respectively by implementing
Charge control method flow in example, completes to carry out entirely charging for large current charge together using data wire and power line
Journey.
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 module, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided by the present invention, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the module
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example, multiple modules or group
Part can combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown
Or the coupling each other discussed or direct-coupling or communication connection can be by some interfaces, device or module it is indirect
Coupling is communicated to connect, and can be electrical, machinery or other forms.
The module illustrated as separating component can be or may not be it is physically separate, it is aobvious as module
The part shown can be or may not be physical module, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of module therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional module in each embodiment of the invention can be integrated in a processing unit, can also
That modules are individually physically present, can also two or more modules it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in an embodied on computer readable and deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are to cause a computer
Device (can be personal computer, server, or network equipment etc.) or processor (Processor) perform the present invention each
The part steps of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (11)
1. a kind of terminal device, including System on Chip/SoC, charging chip and the first charging inlet, first charging inlet with it is described
Charging chip is connected by the first power line, and battery of the charging chip also with the terminal device is connected, it is characterised in that
The terminal device also includes：
First switch, is connected with the charging chip and the System on Chip/SoC respectively, and passes through the first data wire and described first
The data pin of charging inlet is connected；
First charge controlling chip, is connected with the first switch, the charging chip, the System on Chip/SoC respectively；
First blocking termination power, is connected with first charge controlling chip, and passes through first power line and described the
One charging inlet is connected.
2. terminal device according to claim 1, it is characterised in that first charge controlling chip is single-chip microcomputer.
3. terminal device according to claim 1, it is characterised in that first charging inlet is USB interface.
4. terminal device according to claim 1, it is characterised in that the first switch is double-point double-throw switch.
5. a kind of power supply adaptor, including AC DC change-over circuit and the second charging inlet, the AC DC change-over circuit
It is connected with second charging inlet by second source line, it is characterised in that the power supply adaptor also includes：
Second switch, is connected with the AC DC change-over circuit, and passes through the second data wire and second charging inlet
Data pin is connected；
Second charge controlling chip, is connected with the second switch, the AC DC change-over circuit respectively；
Second blocking termination power, is connected with second charge controlling chip, and passes through the second source line and described the
Two charging inlets are connected.
6. power supply adaptor according to claim 5, it is characterised in that second charge controlling chip is single-chip microcomputer.
7. power supply adaptor according to claim 5, it is characterised in that second charging inlet is USB interface.
8. power supply adaptor according to claim 5, it is characterised in that the second switch is double-point double-throw switch.
9. a kind of charge control method, it is characterised in that applied to terminal device, including：
First charge controlling chip of the terminal device detects whether the first charging inlet of the terminal device is suitable with power supply
Orchestration is connected；
When first charge controlling chip detects first charging inlet and is connected with power supply adaptor, pass through described
One charging inlet sends quick charge and asked to the power supply adaptor；
When receiving the confirmation that the power supply adaptor is asked in response to the quick charge, first charge control
The first switch of terminal device described in chip controls, the positive pole data pin of first charging inlet and power pins are connected
It is logical, and negative pole data pin is connected with grounding pin；
It is ready that first charge controlling chip sends first by first charging inlet, to the power supply adaptor
Information, so that the power supply adaptor is according to the described first ready information, by the positive pole of its corresponding second charging inlet
Data pin is connected with power pins, and negative pole data pin is connected with grounding pin, and is returned to the terminal device
Second ready information；
When receiving the second ready information that the power supply adaptor is returned, first charge controlling chip is opened
The charging chip of the terminal device is moved, the battery of the terminal device is charged with specified current flow, the specified current flow
More than charging current of the terminal device when being charged by the power line of first charging inlet.
10. method according to claim 9, it is characterised in that methods described also includes：
If not receiving the confirmation that the power supply adaptor is asked in response to the quick charge, first charge control
Chip starts the charging chip of the terminal device, charging current during being charged by the power line of first charging inlet
Charged.
11. a kind of charge control method, it is characterised in that applied to power supply adaptor, including：
After being connected with terminal device, the second charge controlling chip of the power supply adaptor pass through the power supply adaptor
Two charging inlets, receive the quick charge request that the terminal device is sent；
Second charge controlling chip is asked in response to the quick charge, by second charging inlet to the terminal
Equipment sends confirmation；
Second charge controlling chip receives the first preparation of the terminal device transmission just by second charging inlet
Thread information；
Second charge controlling chip is according to the described first ready information, by the positive pole data of second charging inlet
Pin is connected with power pins, and negative pole data pin is connected with grounding pin；
Second charge controlling chip returns to the second ready letter by second charging inlet to the terminal device
Breath, so that the terminal device is according to the described second ready message, starts the charging chip of the terminal device, to specify
Electric current is charged to the battery of the terminal device, and the specified current flow is filled more than the terminal device by described first
Charging current during the power line charging of electrical interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710597666.3A CN107294172A (en) | 2017-07-20 | 2017-07-20 | Terminal device, power supply adaptor and charge control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710597666.3A CN107294172A (en) | 2017-07-20 | 2017-07-20 | Terminal device, power supply adaptor and charge control method |
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| CN201710597666.3A Pending CN107294172A (en) | 2017-07-20 | 2017-07-20 | Terminal device, power supply adaptor and charge control method |
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| CN108418266A (en) * | 2018-03-13 | 2018-08-17 | 维沃移动通信有限公司 | A kind of USB connector, electronic equipment and charging method |
| CN109888882A (en) * | 2019-03-27 | 2019-06-14 | 维沃移动通信有限公司 | A kind of communication means, terminal device and power supply adaptor |
| CN110120695A (en) * | 2019-04-29 | 2019-08-13 | 华为技术有限公司 | A kind of charging method and terminal device |
| CN110168798A (en) * | 2017-12-21 | 2019-08-23 | 南京德朔实业有限公司 | Data transmission method between battery pack and the battery pack and electronic device |
| CN111030219A (en) * | 2019-12-13 | 2020-04-17 | 深圳市普威技术有限公司 | But real-time communication's fill data line soon |
| CN111313495A (en) * | 2020-02-20 | 2020-06-19 | Oppo广东移动通信有限公司 | Electronic equipment and charging controller |
| CN112134337A (en) * | 2020-09-23 | 2020-12-25 | 维沃移动通信有限公司 | Power adapter, terminal device, electronic device and charging control method thereof |
| US20210099006A1 (en) * | 2018-05-15 | 2021-04-01 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Device to-be-charged and charging control method |
| CN113078696A (en) * | 2020-01-03 | 2021-07-06 | 北京小米移动软件有限公司 | Electronic device, charging method and device thereof, and readable storage medium |
| CN114336816A (en) * | 2020-09-29 | 2022-04-12 | 深圳英集芯科技股份有限公司 | Charging method, related charging device and related charging control chip |
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| US11750018B2 (en) * | 2018-05-15 | 2023-09-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Device to-be-charged and charging control method |
| CN109888882A (en) * | 2019-03-27 | 2019-06-14 | 维沃移动通信有限公司 | A kind of communication means, terminal device and power supply adaptor |
| CN110120695A (en) * | 2019-04-29 | 2019-08-13 | 华为技术有限公司 | A kind of charging method and terminal device |
| CN110120695B (en) * | 2019-04-29 | 2021-01-29 | 华为技术有限公司 | Charging method and terminal equipment |
| CN111030219A (en) * | 2019-12-13 | 2020-04-17 | 深圳市普威技术有限公司 | But real-time communication's fill data line soon |
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| CN113078696A (en) * | 2020-01-03 | 2021-07-06 | 北京小米移动软件有限公司 | Electronic device, charging method and device thereof, and readable storage medium |
| CN113078696B (en) * | 2020-01-03 | 2024-05-07 | 北京小米移动软件有限公司 | Electronic device, charging method and device thereof, and readable storage medium |
| CN111313495A (en) * | 2020-02-20 | 2020-06-19 | Oppo广东移动通信有限公司 | Electronic equipment and charging controller |
| CN111313495B (en) * | 2020-02-20 | 2024-02-02 | Oppo广东移动通信有限公司 | Electronic equipment and charging controller |
| WO2022063067A1 (en) * | 2020-09-23 | 2022-03-31 | 维沃移动通信有限公司 | Power adapter, terminal device, electronic device, and charging control method thereof |
| CN112134337A (en) * | 2020-09-23 | 2020-12-25 | 维沃移动通信有限公司 | Power adapter, terminal device, electronic device and charging control method thereof |
| CN114336816A (en) * | 2020-09-29 | 2022-04-12 | 深圳英集芯科技股份有限公司 | Charging method, related charging device and related charging control chip |
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