CN106385076B - Charging input and output-controlling device, terminal, charging equipment and control method - Google Patents
Charging input and output-controlling device, terminal, charging equipment and control method Download PDFInfo
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- CN106385076B CN106385076B CN201610951350.5A CN201610951350A CN106385076B CN 106385076 B CN106385076 B CN 106385076B CN 201610951350 A CN201610951350 A CN 201610951350A CN 106385076 B CN106385076 B CN 106385076B
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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
- H02J7/007—Regulation of charging or discharging current or voltage
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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
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to charging input control device, terminal, charging output-controlling device, equipment and control methods.The charging input control device can be used for terminal, it is connect with the charging input connector of the terminal, the charging input connector includes input terminal communication line, it is characterized in that, the charging input control device includes charging coding unit, for sending charging identification signal by the input terminal communication line, and according to Recognition feedback signal corresponding with the charging identification signal is received, export charging switching signal.Communication connection is established by charging input connector, charging out connector, and charging identification signal is sent by charging coding unit, and according to receiving and the corresponding Recognition feedback signal of charging identification signal, output charging switching signal, it is decoded again by the charging decoding unit for the output-controlling device that charges, output voltage, electric current etc. are controlled, have the advantages that communication robust, reliable.
Description
Technical field
The present invention relates to the control technology field of electric terminal more particularly to a kind of charging input control dresses for terminal
It sets and electric terminal.
Background technique
With portable equipment, the especially promotion of intelligent and portable device configuration, portable equipment also gets over the consumption of electricity
Come bigger.In recent years, battery capacity lift technique encounters bottleneck under same volume, is no longer satisfied the continuous of intelligent and portable equipment
Boat requires, and causes the charging of portable equipment more frequent, and the time expended in charging is also increasingly longer.
In order to shorten the charging time, need to charge to battery using biggish power.In order to realize charging equipment and portable
Charging process closed loop between equipment is controllable, solves charge circuit over-voltage, the detection and protection of overcurrent, overheat, and in difference
The problems such as compatible and identification is solved between charging equipment, needs to establish information transfer channel between charging equipment and portable equipment
And communication mechanism.And the information transfer channel and communication mechanism of the prior art exist and communicate that unstable, reliability is low etc. lacks
Point.
Summary of the invention
A kind of reliable, stable charging input control device, end are communicated the technical problem to be solved in the present invention is that providing
End, charging output-controlling device, charging equipment and charge control method.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of charging input control for terminal
Device is connect with the charging input connector of the terminal, and the charging input connector includes input terminal communication line, described
The input control device that charges includes charging coding unit, for sending charging identification signal by the input terminal communication line,
And according to Recognition feedback signal corresponding with the charging identification signal is received, charging switching signal is exported.
Preferably, the charging input control device further includes normal charge recognition unit, input end signal switch unit,
And the charge control list being connect with the charging coding unit, normal charge recognition unit and input end signal switch unit
Member；
The input end signal switch unit is connected to the charging input connector and the normal charge recognition unit
The input end signal switch unit is controlled between charging coding unit, and by the charging control unit, is switched described normal
Rule charging recognition unit and charging coding unit are selected one and are connected to the charging input connector；
Also, when the charging coding unit is connected to the charging input connector, the charging control unit is defeated
Charging control signal is to the charging coding unit out.
The present invention also provides a kind of electric terminal, including charging input connector, it connect with the charging input connector
Normal charge unit and adjust charhing unit and with the normal charge unit and adjust the battery list that connect of charhing unit
Member, the charging input connector include input terminal communication line, which further includes aforementioned any charging input
Control device；The charging input control device further includes for selecting the selection normal charge list according to charging switching signal
Member and adjusting charhing unit are the charging selecting module of battery unit charging.
It is defeated with the charging of the charging equipment the present invention also provides a kind of charging output-controlling device for charging equipment
Out connector connect, the charging out connector includes output end communication line, the charging output-controlling device include with
The switch control unit and output signal switch unit of the output end communication line connection and the output signal switch unit
The charging decoding unit of connection and the output control and detection unit being connect with the charging decoding unit；
The switch control unit feeds back corresponding Recognition feedback signal according to the charging identification signal received；And according to
The switching signal that charges controls the output signal switch unit, charging decoding unit and the output end communication described in switching control
Route connection disconnects.
Preferably, the output end communication line includes the first signal wire of output end and output end second signal line；
The output signal switch unit include respectively with first signal wire of output end and output end second signal line
The 5th input pin, the 6th input pin of connection, the first output pin and the second output pin of short circuit are solved with the charging
The third output pin and the 4th output pin of code unit connection, and the 7th control connecting with the switch control unit are drawn
Foot；The 7th control pin switch-over control signal, control first output pin and the second output pin respectively with it is described
5th input pin and the connection of the 6th input pin or the third output pin and the 4th output pin are respectively with described the
Five input pins and the connection of the 6th input pin.
Preferably, the switch control unit includes voltage comparator, the 6th resistance, the 7th resistance and reference power source；
6th resistance, the 7th resistance are connected between first signal wire of output end and ground；
The positive input of the voltage comparator is connected between the 6th resistance and the 7th resistance；The voltage ratio
The reference power source is connected compared with the reverse input end of device；The signal output end of the voltage comparator and the 7th pin connect
It connects；
When the voltage comparator detects the voltage of first signal wire of output end through the 6th resistance, the 7th electricity
Value after resistance partial pressure is higher than the reference power source, and after continuing setting time, exports the switch-over control signal to the output
Signal switching unit inputs the third output pin and the 4th output pin with the 5th input pin and the 6th respectively
Pin connection；
When the voltage comparator detects the voltage of first signal wire of output end through the 6th resistance, the 7th electricity
Value after resistance partial pressure is lower than the reference power source, and after continuing setting time, exports the switch-over control signal to the output
Signal switching unit inputs the third output pin and the 4th output pin with first input pin and second respectively
Pin connection.
The present invention also provides a kind of charging equipment, including charging out connector, it connect with the charging out connector
Controllable transformation output unit, the charging out connector includes output end communication line, before the charging equipment further includes
State any charging output-controlling device；It is described charging output-controlling device output control and detection unit and it is described can
The connection of transformation output unit is controlled, and controls the charge power supply of the controllable transformation output unit adjustment output.
The present invention also provides a kind of charge control methods, and can be used for charging equipment is that terminal charges, comprising:
The terminal sends charging identification signal to the charging equipment；
The charging equipment feeds back corresponding Recognition feedback signal according to the charging identification signal；
The terminal exports charging switching signal according to the Recognition feedback signal；
The charging equipment adjusts the charge power supply of output according to the charging switching signal.
Preferably, the charge control method further include:
When the charging input connector of the terminal is connect with the charging out connector of the charging equipment, at first
Between in section, the normal charge recognition unit of the terminal carries out the identification of conventional charging device to the charging equipment.
Preferably, in the step of terminal sends charging identification signal to the charging equipment, comprising:
The charging control unit control signal signal switching unit of the terminal by the charging coding unit with it is described
The input connector that charges is connected to；
The first signal wire of input terminal of the charging input connector is set a height of second electrical level as the charging to identify
Signal, and the second time output that is delayed.
Preferably, the step of the charging equipment feeds back corresponding Recognition feedback signal according to the charging identification signal
In, comprising:
The voltage comparator of the charging equipment detects the voltage of the first signal wire of output end through the 6th resistance, the 7th electricity
Value after resistance partial pressure is higher than reference power source, and after continuing for the second time, output signal switch unit cuts output end communication line
It changes to and is connected to charging decoding unit, and disconnect the first output pin and the second output pin and the output end communication line
It connects, generates the Recognition feedback signal on the output end second signal line of the charging out connector.
Preferably, in the step of terminal exports charging switching signal according to the Recognition feedback signal, comprising:
The terminal detects the Recognition feedback signal, and after waiting the third time, by the input terminal second signal
Line sets a height of second electrical level, exports as the charging switching signal；
In the step of charging equipment adjusts the charge power supply of output according to the charging switching signal, comprising:
The output end second signal line of the charging out connector accesses the output end second signal line, the charging
When equipment detects that the level of the output end second signal line is second electrical level, electricity will be exported by controlling controllable transformation output unit
Pressure is adjusted to charging starting voltage, and is exported by the charging out connector to the charging input connector.
Preferably, the charge control method further include:
The charging control unit of the terminal exports charging control signal to the charging coding unit, and by described defeated
Enter end communication circuit output；
The charging equipment receives the charging control signal by the output end communication line, and is sent to charging solution
Code unit is decoded, and is exported to output control and detection unit, and the controllable transformation output unit adjustment output electricity is controlled
Pressure.
Preferably, in the charging control unit output charging control signal of the terminal to the charging coding unit, and
It is exported by the input terminal communication line；The charging equipment receives the charge control by the output end communication line
Signal, and be sent to charging decoding unit and be decoded, and export to output control and detection unit, control the controllable transformation
Output unit adjusted in the step of output voltage, comprising:
When the terminal needs to be turned up the output voltage of the charging equipment, will be inputted by the charging coding unit
The voltage of end second signal line is transferred to first voltage from second voltage, and continues the third time, then adjusts back to second voltage again；
The charging decoding unit of the charging equipment, which detects on the output end second signal line, to be occurred from second voltage to the first electricity
When the negative pulse of pressure, △ V is turned up in the output voltage；
When the terminal needs to turn down the output voltage of the charging equipment, will be inputted by the charging coding unit
It holds the voltage of the first signal wire to be transferred to first voltage from second voltage, and continues the third time, then adjust back to second voltage again；
The charging decoding unit of the charging equipment, which detects, there is second voltage to the negative of first voltage on output end second signal line
When pulse, the output voltage is turned down into △ V；
When the output voltage of the charging equipment is adjusted back to tertiary voltage by terminal needs, compiled by the charging
The voltage of the input terminal second signal line is transferred to initial voltage from second voltage by code unit；The charging solution of the charging equipment
When code unit detects that the voltage of output end second signal line becomes initial voltage from second voltage, the output voltage drop is controlled
As low as tertiary voltage；And/or
When the output voltage of the charging equipment is adjusted back to tertiary voltage by terminal needs or the terminal takes off
It is described to fill when the power supply of first signal wire of input terminal is reduced to initial voltage from second voltage when from the charging equipment
The voltage comparator of electric equipment perceives positive input voltage lower than reference power source, and control output signal switch unit will be described defeated
The first signal wire of outlet and output end second signal line switch to the first output pin and the second output pin of short circuit.
The invention has the following advantages over the prior art: passing through when the use of charging equipment being that terminal is charged
Terminal sends charging identification signal to charging equipment, and according to receive with the corresponding Recognition feedback signal of identification signal that charges,
Output charging switching signal, charging equipment are adjusted output to the charge power supply of output according to the charging switching signal, have
Communication robust, reliable advantage.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the schematic block diagram of charging input control device one embodiment for terminal of the invention；
Fig. 2 is the schematic block diagram of terminal one embodiment of the invention；
Fig. 3 is the schematic block diagram of charging output-controlling device one embodiment of the invention；
Fig. 4 is the schematic block diagram of one embodiment of charging equipment of the invention；
Fig. 5 is the time diagram of one embodiment of charge control method of the invention.
Specific embodiment
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, can be used in terminal, the embodiment of the invention discloses a kind of charging input control device 300 with end
The charging input connector 301 at end connects, and switches over as needed to the charging rate of terminal.It should be understood that the terminal
It is various containing rechargeable battery to can include but is not limited to smart phone, tablet computer, laptop, palm PC, PAD etc.
Terminal.The charging input connector 301 of terminal includes input terminal communication line, charging circuit etc..The charging input connector
301 can include but is not limited to USB connector, MicroUSB connector, MiniUSB connector, iPhone connector etc..
The charging input control device 300 includes charging coding unit 316, for being filled by the transmission of input terminal communication line
Electric identification signal, and according to Recognition feedback signal corresponding with charging identification signal is received, export charging switching signal.At this
In embodiment, which can be fast charge coding unit, and the corresponding charging identification signal issued is fast charge identification
Signal, charging switching signal are fast charge switching signal, be may be implemented using the charging coding unit 316 to quick charge and routine
The switching of charging.
It should be understood that charging coding unit 316, charging identification signal, charging switching signal can also in other embodiments
Think the unit and signal of other charge modes, such as, but not limited to, charge mode can be trickle charge, the charging mould of setting rule
Formula；Corresponding, charging coding unit 316 is trickle charge coding unit, sets regular coding unit；The identification signal that charges is trickle charge knowledge
Level signal sets regular identification signal；Charging switching signal is trickle charge switching signal, the regular switching signal of setting etc..
Further, which further includes that normal charge recognition unit 315, input end signal are opened
Close unit 317, charging control unit 340 etc..The charging control unit 340 and charging coding unit 316, normal charge identification list
Member 315 and input end signal switch unit 317 connect.Input end signal switch unit 317 is connected to charging input connector 301
Between normal charge recognition unit 315 and charging coding unit 316, and by 340 control signal signal of charging control unit
Switch unit 317, switches normal charge recognition unit 315 and charging coding unit 316 is selected one and connected with charging input connector 301
It is logical.Also, when the coding unit 316 that charges is connected to charging input connector 301, the output charging control of charging control unit 340
Signal processed extremely charging coding unit 316.
As shown in Figure 1, the signal input part of input end signal switch unit 317 is connected to charging input connector 301
The first signal wire of input terminal (DM) and input terminal second signal line (DP).First signal of input end signal switch unit 317 is defeated
Outlet (DM1, DP1) is connected to the signal input part of normal charge recognition unit 315.The of input end signal switch unit 317
Binary signal output end (DM2, DP2) is connected to the signal input part of charging coding unit 316.Normal charge recognition unit 315
Signal output end is connected to the signal input part of charging control unit 340, and the signal input part of charging coding unit 316 is connected to
The signal input part of charging control unit 340.It should be understood that input end signal switch unit 317, normal charge recognition unit
315, charging coding unit 316 may be integrated into charging control unit 340；It may be independent circuit.
As shown in Fig. 2, being a specific embodiment of electric terminal of the present invention, which includes charging input connection
Device 301, input voltage and input current detection unit 307, normal charge unit 309, adjusts charging list at over-voltage over-current protection unit 302
Member 308, connector temperature detecting unit 306, master control and Power Management Unit 330, output voltage current detecting unit 310, electricity
Pond connector 350, battery unit 320, charging input control device etc..It should be understood that each unit, module can according to need
It is increased and decreased.
The charging input control device can select the charging input control device in above-described embodiment, therefore not go to live in the household of one's in-laws on getting married herein
It states.As shown, normal charge unit 309, adjusting charhing unit 308 and charging input connector 301, charging input control dress
It sets, battery unit 320 connects.The charging input control device further comprises charging selecting module 318, according to charging switching letter
One number is selected to select normal charge unit 309 and adjust charhing unit 308 to be that battery unit 320 charges.
In the present embodiment, the charging input control device in above-described embodiment is corresponding, which is
Quick charge unit.The quick charge unit can select existing various fast charge modules, as current multiplication module or other can
Realize the module of fast charge function.Certainly, adjusting charhing unit 308 can be normal charge unit, the regular charhing unit of setting.
The charging input connector 301 includes input terminal power supply line, the first signal wire of input terminal, input terminal second signal line
Deng.The input terminal of the charging input connector 301 connects charge cable, can access charge power supply and signal of communication.Charging input
The power input of the power output end connection over-voltage over-current protection unit 302 of connector 301, over-voltage over-current protection unit 302
Power output end connection input voltage and input current detection unit 307 power input, adjust charhing unit 308 input terminal with
And the power input of normal charge unit 309, the protection for over-voltage and over-current.
The first power output end connection master control of normal charge unit 309 and the power input of Power Management Unit 330；
Normal charge unit 309 second source output end connection battery connector 350 power input, be battery unit 320 into
Row charging.
Wherein, charging input control device can be single-chip microcontroller or the state machine based on digital logic circuit design.It fills
Electric input control device can also be integrated among master control and Power Management Unit 330.Wherein, normal charge unit 309 can
To be the DCDC DC decompression unit based on inductance charge and discharge in existing high pressure fast charge technology, it is also possible to existing low pressure fast charge
Power switch in technology.
Connector temperature detecting unit 306 is used to detect the temperature of charging input connector 301, can be conventional positive temperature
Coefficient element or negative temperature coefficient unit etc. are spent, the temperature signal of detection is sent to charging control unit 340 and carries out temperature prison
Control control.
The configuration of output voltage current detecting unit 310 is used between battery connector 350 and charging input control device
The charging of detection output to battery unit 320 exports the data such as electric current, cell voltage, and exports to charging input control device.
The battery unit 320 includes battery core 313, voltage and current internal resistance detection unit 314, over-voltage and over-current under-voltage protection unit
321, battery temperature detection unit 322 etc. can detecte charge condition, charged state of battery core 313 etc., pass through battery connector
350 are connected to the charging control unit 340 of charging input control device, so that charging control signal is generated, progress charging current,
The adjustment of voltage.
Charging input control device 300 can select a selection normal charge unit 309 and be adjusted according to charging switching signal
Charhing unit 308 is the charging of battery unit 320, aftermentioned in detail.
As shown in figure 3, be a specific embodiment of charging output-controlling device 100 of the invention, it can be with charging equipment
Charging out connector 101 connect, for control export charging current and voltage.The charging of charging equipment exports connection
Device 101 includes output end communication line, output end charging circuit etc..The output end communication line of the charging out connector 101
Including the first signal wire of output end (DM) and output end second signal line (DP).The charging out connector 101 may include
But be not limited to USB connector, MicroUSB connector, MiniUSB connector, iPhone connector etc..
The charging output-controlling device 100 includes switch control unit, output signal switch unit 116, charging decoding list
Member 117 and output control and detection unit 130.
The switch control unit is connect with output end communication line, corresponding according to the charging identification signal feedback received
Recognition feedback signal, and output signal switch unit 116 can be controlled according to charging switching signal.
Output signal switch unit 116 is connect with switch control unit, output end communication line, charging decoding unit 117,
Switching charging decoding unit 117 is controlled by switch control unit to be connected to or disconnect with output end communication line.
Charging decoding unit 117 is connect with output signal switch unit 116, when being connected to output end communication line, is connect
Enter the switching signal that charges, and is decoded, output to output control and detection unit 130, then by output control and detection unit
130 output control signals to charging equipment, and adjustment output electric current, voltage charge to terminal.
As shown, in the present embodiment, the output signal switch unit 116 include respectively with the first signal wire of output end
The 5th input pin, the 6th input pin connected with output end second signal line, the first output pin of short circuit and second defeated
Pin out, the third output pin and the 4th output pin being connect with charging decoding unit 117, and connect with switch control unit
The 7th control pin connect.7th control pin switch-over control signal, controls the first output pin and the second output pin difference
Be connected to the 5th input pin and the 6th input pin or third output pin and the 4th output pin respectively with the 5th input
Pin and the connection of the 6th input pin.
The switch control unit includes voltage comparator 118, the 6th resistance, the 7th resistance and reference power source 119 etc..
6th resistance, the 7th resistance are connected between the first signal wire of output end and ground；The positive input of voltage comparator 118 connects
Between the 6th resistance and the 7th resistance；The reverse input end of voltage comparator 118 connects reference power source 119；Voltage comparator
118 signal output end is connect with the 7th pin.It should be understood that the reference power source 119 can be the mark of charging equipment output
Quasi- voltage.
When voltage comparator 118 detects the voltage of the first signal wire of output end after the 6th resistance, the 7th electric resistance partial pressure
Value be higher than reference power source 119, and after continuing setting time, output switch-over control signal to output signal switch unit 116 will
Third output pin and the 4th output pin are connected to the 5th input pin and the 6th input pin respectively, so that charging be decoded
Unit 117 is connected to the output the first signal wire, output end second signal line.
When voltage comparator 118 detects the voltage of the first signal wire of output end after the 6th resistance, the 7th electric resistance partial pressure
Value be lower than reference power source 119, and after continuing setting time, output switch-over control signal to output signal switch unit 116 will
Third output pin and the 4th output pin are connected to the first input pin and the second input pin respectively, to disconnect charging solution
The connection of code unit 117 and the first signal wire of output end, output end second signal line.
As shown in figure 4, being the schematic diagram of a specific embodiment of charging equipment of the invention, including charging output connects
Connect device 101, the controllable transformation output unit connecting with charging out connector 101, charging output-controlling device 100 etc..
Wherein, which can use the charging output-controlling device of any of the above-described embodiment
100, this will not be repeated here.The output control of the charging output-controlling device 100 and the output of detection unit 130 and controllable transformation are single
Member connection, and control the charge power supply of controllable transformation output unit adjustment output.
The output end communication line of charging out connector 101 includes the first signal wire of output end (DM) and output end
Second signal line (DP).The charging out connector 101 can include but is not limited to USB connector, MicroUSB connector,
MiniUSB connector, iPhone connector etc..
In the present embodiment, which connect with AC plug 109, accesses alternating current or other power supplys.It should
Controllable transformation output unit includes the AC rectifying and wave-filtering list for being connected to AC plug 109 in turn between the out connector 101 that charges
Member 108, source control unit 120, output switch 105 etc. in control unit 107, transformer unit 106, pair.Output control with
Detection unit 130 is connect by the way that communication unit 110 is isolated with source side control unit 107, to be controlled according to charging switching signal, charging
Signal processed etc. adjusts the input voltage of source side control unit 107, by passing through charging output after the transformation of transformer unit 106
The output of connector 101 to terminal charges.
Further, which can also include DC rectification unit 111, current detecting unit 112, electricity
Detection unit 113 etc. is pressed, can detecte voltage, the current signal of output, output is to output control and detection unit 130, to defeated
Electric current, voltage are controlled out, to guarantee the stabilization of output electric current, voltage, and play the protection of overcurrent, over-voltage.
Further, connector temperature detecting unit 104 can also be set, connect with charging output-controlling device 100,
Out connector 101 charge when the temperature is excessively high, output stop signal to charging output-controlling device 100, and then stop charging.
It should be understood that the controllable transformation output unit can use existing various controllable transformation output circuits, module
Or device.
As shown in figure 5, being the charging process time diagram of one embodiment of charge control method of the present invention, the charging
It is that terminal charges that control method, which can be used for charging equipment,.Wherein, charging equipment, terminal can be using in above-described embodiments
Charging equipment and terminal.It is of course also possible in other similar charging equipment, terminal.
When using the charge control method, terminal sends charging identification signal to charging equipment；Then, charging equipment root
Corresponding Recognition feedback signal is fed back according to charging identification signal；Terminal exports charging switching signal according to Recognition feedback signal；It fills
Electric equipment adjusts the charge power supply of output according to charging switching signal, and then realizes that the adjustment to charging voltage, electric current exports, real
Now to the quick charge of terminal, charge normal or trickle charge etc., to adapt to different charge requirements.
In the present embodiment, when the charging out connector 101 of the charging input connector 301 of terminal and charging equipment connects
When connecing, in first time period t0Interior, the normal charge recognition unit 315 of terminal carries out the knowledge of conventional charging device to charging equipment
Not.
In the step of terminal sends charging identification signal to charging equipment, specifically: the charging control unit 340 of terminal
The first signal wire of input terminal and input terminal second signal line are switched to fast charge coding list by control signal signal switching unit 317
Charging coding unit 316 is connected to by member with charging input connector 301.
And the first signal wire of input terminal for the input connector 301 that charges is set into a height of second electrical level as charging identification letter
Number, and the second time t that is delayed1Output.
In the step of charging equipment feeds back corresponding Recognition feedback signal according to charging identification signal, specifically: charging
The voltage comparator 118 of equipment detects value of the voltage of the first signal wire of output end after the 6th resistance, the 7th electric resistance partial pressure
Higher than reference power source 119, and continue the second time t1Afterwards, output signal switch unit 116 is by output end communication line (output end
First signal wire, output end second signal line) be switched to charging decoding unit 117 be connected to, and disconnect the first output pin with
The connection of second output pin and output end communication line.At this point, the first signal wire of output end, output end second signal line are no longer
It is shorted together, the voltage of the output end second signal line for the out connector 101 that charges drops to 0V, to believe in output end second
Recognition feedback signal is generated on number line.
In the step of terminal exports charging switching signal according to Recognition feedback signal, specifically: terminal detects identification
Feedback signal, i.e. charging coding unit 316 detect that the voltage of input terminal second signal line drops to 0V, and charging identification is completed.Deng
To third time t2Afterwards, input terminal second signal line is set a height of second electrical level V2 by the charging coding unit 316 of terminal, as filling
Electric switching signal output.
In the step of charging equipment adjusts the charge power supply of output according to charging switching signal, specifically: charging output
The output end second signal line of connector 101 accesses output end second signal line, and charging equipment detects output end second signal
When the level of line is second electrical level V2, controllable transformation output unit is controlled by output voltage and is adjusted to charging starting voltage V4, and
By charging out connector 101 output to charging input connector 301, and then charge to the battery of terminal.
It should be understood that charging starting voltage V4 can be fast charge starting voltage, trickle charge starting voltage or other chargings
The starting voltage of mode.
Further, which can also fill according to the temperature, charging voltage, electric current etc. of battery to generate
Electric control signal, and charging control signal extremely charging coding unit 316 is exported by the charging control unit of terminal 340, and pass through
The output of input terminal communication line；
Charging equipment by output end communication line receive charging control signal, and be sent to charging decoding unit 117 into
Row decoding, and export to output control and detection unit 130, control controllable transformation output unit adjustment output voltage.
It is specific: when terminal needs to be turned up the output voltage of charging equipment, by charging coding unit 316 by input terminal
The voltage of second signal line is transferred to first voltage V1 from second voltage V2, and continues third time t3/ 2, is then adjusted back to again
Two voltage V2.The charging decoding unit 117 of charging equipment detect on output end second signal line occur from second voltage V2 to
When the negative pulse of first voltage V1, △ V is turned up in output voltage.
When terminal needs to turn down the output voltage of charging equipment, input terminal first is believed by charging coding unit 316
The voltage of number line is transferred to first voltage V1 from second voltage V2, and continues third time t3/ 2, second voltage is then adjusted back to again
V2；The charging decoding unit 117 of charging equipment detects on output end second signal line second voltage t occur3/ 22 to the first electricity
When pressing the negative pulse of V1, output voltage is turned down into △ V；
It, will by charging coding unit 316 when terminal needs the output voltage of charging equipment adjusting back to tertiary voltage
The voltage of input terminal second signal line is transferred to initial voltage V0 from second voltage V2；The charging decoding unit 117 of charging equipment is examined
When measuring the voltage of output end second signal line becomes initial voltage V0 from second voltage V2, control output voltage is reduced to third
Voltage V3；And/or
When terminal needs the output voltage of charging equipment adjusting back to tertiary voltage V3 or terminal is detached from charging equipment
When, when the power supply of the first signal wire of input terminal is reduced to initial voltage V0 from second voltage V2, the voltage comparator of charging equipment
118 perceive positive input voltage lower than reference power source 119, control output signal switch unit 116 for the first signal of output end
Line and output end second signal line switch to the first output pin and the second output pin of short circuit, so that charging equipment is as common
Charging equipment exports normal charging voltage, charges to terminal.
In the present embodiment, VBUS is the power supply line in MICRO USB connector.
V0: ground level 0V；Of course, it is possible to be adjusted as needed.
V1: safe noise gate 1.2V；Of course, it is possible to be adjusted as needed.
V2: high level 2.8V；Of course, it is possible to be adjusted as needed.
1.2 standard charger output voltage of V3:BC, representative value 5V；Of course, it is possible to be adjusted as needed.
V4: fast charge starting voltage, representative value 7V；Of course, it is possible to be adjusted as needed.
△ V charging equipment output voltage adjusts stepping: representative value 50mV；Of course, it is possible to be adjusted as needed.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Module or submodule in equipment of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing the relevant hardware of terminal device by program, which can store in a computer readable storage medium
In, storage medium may include: flash disk, read-only memory (Read-Only Memory, ROM), random access device (Random
Access Memory, RAM), disk or CD etc..
Above disclosed is only presently preferred embodiments of the present invention, cannot limit right of the invention certainly with this
Range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to right of the present invention
Equivalent variations made by it is required that, still belongs to the scope covered by the invention.
Claims (9)
1. a kind of charging output-controlling device for charging equipment, connect with the charging out connector of the charging equipment,
The charging out connector includes output end communication line, which is characterized in that the charging output-controlling device includes and institute
State the switch control unit and output signal switch unit and output signal switch unit company that output end communication line connects
The charging decoding unit connect and the output control and detection unit that are connect with the charging decoding unit；
The switch control unit feeds back corresponding Recognition feedback signal according to the charging identification signal received；And according to charging
Switching signal controls the output signal switch unit, charging decoding unit and the output end communication line described in switching control
Connection disconnects；
The output end communication line includes the first signal wire of output end and output end second signal line；
The output signal switch unit includes connecting respectively with first signal wire of output end and output end second signal line
The 5th input pin, the 6th input pin, the first output pin and the second output pin of short circuit decode single with the charging
The third output pin and the 4th output pin of member connection, and the 7th control pin being connect with the switch control unit；
The 7th control pin switch-over control signal controls first output pin and the second output pin respectively with the described 5th
Input pin and the connection of the 6th input pin or the third output pin and the 4th output pin are defeated with the described 5th respectively
Enter pin and the connection of the 6th input pin.
2. charging output-controlling device according to claim 1, which is characterized in that the switch control unit includes voltage
Comparator, the 6th resistance, the 7th resistance and reference power source；
6th resistance, the 7th resistance are connected between first signal wire of output end and ground；
The positive input of the voltage comparator is connected between the 6th resistance and the 7th resistance；The voltage comparator
Reverse input end connect the reference power source；The signal output end of the voltage comparator and the 7th control pin connect
It connects；
When the voltage comparator detects the voltage of first signal wire of output end through the 6th resistance, the 7th resistance point
Value after pressure is higher than the reference power source, and after continuing setting time, exports the switch-over control signal to the output signal
Switch unit by the third output pin and the 4th output pin respectively with the 5th input pin and the 6th input pin
Connection；
When the voltage comparator detects the voltage of first signal wire of output end through the 6th resistance, the 7th resistance point
Value after pressure is lower than the reference power source, and after continuing setting time, exports the switch-over control signal to the output signal
Switch unit by the third output pin and the 4th output pin respectively with first output pin and the second output pin
Connection.
3. a kind of charging equipment is exported including charging out connector, the controllable transformation connecting with the charging out connector
Unit, the charging out connector includes output end communication line, which is characterized in that the charging equipment further includes that right is wanted
Seek the described in any item charging output-controlling devices of 1-2；It is described charging output-controlling device output control and detection unit with
The controllable transformation output unit connection, and control the charge power supply of the controllable transformation output unit adjustment output.
4. a kind of charge control method, can be used for charging equipment is that terminal charges characterized by comprising
The terminal sends charging identification signal to the charging equipment；
The charging equipment feeds back corresponding Recognition feedback signal according to the charging identification signal；
The terminal exports charging switching signal according to the Recognition feedback signal；
The charging equipment adjusts the charge power supply of output according to the charging switching signal；
In the step of terminal sends charging identification signal to the charging equipment, comprising:
The charging control unit control signal signal switching unit of the terminal will charging coding unit and charging input
Connector connection；
The first signal wire of input terminal of the charging input connector is set into a height of second electrical level as the charging identification signal,
And the second time output that is delayed.
5. charge control method according to claim 4, which is characterized in that the charge control method further include:
When the charging input connector of the terminal is connect with the charging out connector of the charging equipment, in first time period
Interior, the normal charge recognition unit of the terminal carries out the identification of conventional charging device to the charging equipment.
6. charge control method according to claim 5, which is characterized in that known in the charging equipment according to the charging
Level signal was fed back in the step of corresponding Recognition feedback signal, comprising:
The voltage comparator of the charging equipment detects the voltage of the first signal wire of output end through the 6th resistance, the 7th resistance point
Value after pressure is higher than reference power source, and after continuing for the second time, output end communication line is switched to by output signal switch unit
It is connected to charging decoding unit, and disconnects the company of the first output pin and the second output pin and the output end communication line
It connects, generates the Recognition feedback signal on the output end second signal line of the charging out connector.
7. charge control method according to claim 6, which is characterized in that believed in the terminal according to the Recognition feedback
Number output charging switching signal the step of in, comprising:
The terminal detects the Recognition feedback signal, and after waiting the third time, the input terminal second signal line is set
A height of second electrical level is exported as the charging switching signal；
In the step of charging equipment adjusts the charge power supply of output according to the charging switching signal, comprising:
The output end second signal line of the charging out connector accesses the output end second signal line, the charging equipment
When the level for detecting the output end second signal line is second electrical level, controllable transformation output unit is controlled by output voltage tune
Section extremely charging starting voltage, and exported by the charging out connector to the charging input connector.
8. charge control method according to claim 7, which is characterized in that the charge control method further include:
The charging control unit of the terminal exports charging control signal to the charging coding unit, and passes through the input terminal
Communication line output；
The charging equipment receives the charging control signal by the output end communication line, and it is single to be sent to charging decoding
Member is decoded, and is exported to output control and detection unit, is controlled the controllable transformation output unit and is adjusted output voltage.
9. charge control method according to claim 8, which is characterized in that exported in the charging control unit of the terminal
Charging control signal is exported to the charging coding unit, and by the input terminal communication line；The charging equipment passes through
The output end communication line receives the charging control signal, and is sent to charging decoding unit and is decoded, and export extremely
Output control and detection unit control in the step of controllable transformation output unit adjusts output voltage, comprising:
When the terminal needs to be turned up the output voltage of the charging equipment, by the charging coding unit by input terminal
The voltage of binary signal line is transferred to first voltage from second voltage, and continues the third time, then adjusts back to second voltage again；It is described
The charging decoding unit of charging equipment, which detects on the output end second signal line, to be occurred from second voltage to first voltage
When negative pulse, △ V is turned up in the output voltage；
When the terminal needs to turn down the output voltage of the charging equipment, by the charging coding unit by input terminal
The voltage of one signal wire is transferred to first voltage from second voltage, and continues the third time, then adjusts back to second voltage again；It is described
The charging decoding unit of charging equipment detects occur negative pulse of the second voltage to first voltage on output end second signal line
When, the output voltage is turned down into △ V；
When the output voltage of the charging equipment is adjusted back to tertiary voltage by terminal needs, encoded by the charging single
The voltage of the input terminal second signal line is transferred to initial voltage from second voltage by member；The charging of the charging equipment decodes single
When member detects that the voltage of output end second signal line becomes initial voltage from second voltage, controls the output voltage and be reduced to
Tertiary voltage；And/or
When the output voltage of the charging equipment is adjusted back to tertiary voltage by terminal needs or the terminal is detached from institute
When stating charging equipment, when the power supply of first signal wire of input terminal is reduced to initial voltage from second voltage, the charging is set
Standby voltage comparator perceives positive input voltage lower than reference power source, controls output signal switch unit for the output end
First signal wire and output end second signal line switch to the first output pin and the second output pin of short circuit.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106655415B (en) * | 2017-03-14 | 2021-01-22 | 成都智朴思互联科技有限公司 | Intelligent universal charging identification and control device based on USB interface |
| CN109196751B (en) * | 2017-10-20 | 2021-11-02 | 荣耀终端有限公司 | Charging device and terminal |
| WO2019076012A1 (en) | 2017-10-20 | 2019-04-25 | 华为技术有限公司 | Charging apparatus and terminal |
| CN108177553B (en) * | 2018-02-28 | 2023-06-16 | 柳州铁道职业技术学院 | New energy automobile charging and discharging device |
| CN111864818B (en) * | 2019-04-28 | 2022-06-14 | Oppo广东移动通信有限公司 | Charging control circuit, charging control method, charging receiving circuit and split type electronic equipment |
| CN110783978A (en) * | 2019-10-18 | 2020-02-11 | 安徽静深实业有限公司 | Method and device for adjusting charging speed of electronic product |
| CN111711437B (en) * | 2020-06-24 | 2021-09-10 | 深圳市科特精密五金塑胶有限公司 | Controllable connector and processing method thereof |
| CN111951719B (en) * | 2020-08-10 | 2023-05-23 | 昂宝电子（上海）有限公司 | Apparatus and method for LED display control in charge-discharge system |
| CN112436577B (en) * | 2021-01-27 | 2021-04-23 | 展讯通信（上海）有限公司 | Chargeable equipment, charger and charging system |
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