CN106786998A - A kind of control method of charge-discharge circuit, mobile terminal and battery charging and discharging - Google Patents
A kind of control method of charge-discharge circuit, mobile terminal and battery charging and discharging Download PDFInfo
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- CN106786998A CN106786998A CN201710102545.7A CN201710102545A CN106786998A CN 106786998 A CN106786998 A CN 106786998A CN 201710102545 A CN201710102545 A CN 201710102545A CN 106786998 A CN106786998 A CN 106786998A
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention provides the control method of a kind of charge-discharge circuit, mobile terminal and battery charging and discharging, it is related to electronic technology field, solves the problems, such as that existing battery charging and discharging mode is single.The charge-discharge circuit includes：Charging input end, electric discharge output end, earth terminal, at least two batteries and multiple switching switches；Multiple switching switch is arranged at least two batteries and charging input end, the connection circuit of electric discharge output and ground；By controlling the connection or disconnection of multiple switching switches, charge-discharge circuit is formed as serial connection charge circuit, charged in parallel circuit, independent charging circuit, discharged in series circuit, parallel discharge circuit or independent discharge circuit.The solution of the present invention increased charge and discharge system, improve the compatibility with charger, and can avoid charging that heating is big, discharge loss is big, problem caused by the high single charge and discharge system of the requirement of docking port and path, improve discharge and recharge experience.
Description
Technical field
The present invention relates to electronic technology field, and more particularly, to a kind of charge-discharge circuit, mobile terminal and battery
The control method of discharge and recharge.
Background technology
Existing mobile terminal can only be using the one kind in cell parallel discharge and recharge or series-connection charge-discharge.If battery simultaneously
Connection, when charging, electric current is larger, and heating is more serious caused by path resistance, and docking port and path requirements are higher.If battery
Series connection, in electric discharge need voltage to discharge by being depressured link uses to system, and is depressured link and there is larger damage
Consumption, have impact on the development of charging industry.
Therefore, the battery charging and discharging mode of existing mobile terminal is single, compatible low with charger, it is impossible to avoid single
Defect caused by charge and discharge system, discharge and recharge experience is poor.
The content of the invention
The embodiment of the present invention provides the control method of a kind of charge-discharge circuit, mobile terminal and battery charging and discharging, to solve
The battery charging and discharging mode of existing mobile terminal is single, compatible low with charger, it is impossible to avoid single charge and discharge system from leading
The problem of the defect of cause.
A kind of first aspect, there is provided charge-discharge circuit, including：
Charging input end, electric discharge output and ground；
At least two batteries, are connected with the charging input end, the electric discharge output end and the earth terminal respectively；
Multiple switching switch, respectively including connection and off-state, is arranged at least two battery and the charging
On the connection circuit that input, the electric discharge output end are connected with the earth terminal；
By controlling the connections or disconnection of multiple switching switches, the charge-discharge circuit be formed as serial connection charge circuit and
Connection charging circuit, independent charging circuit, discharged in series circuit, parallel discharge circuit or independent discharge circuit.
A kind of second aspect, there is provided mobile terminal, including：As above the charge-discharge circuit described in any one.
A kind of third aspect, there is provided control method of battery charging and discharging, is applied to the discharge and recharge described in as above any one
Circuit, including：
Detect the charging and discharging state of terminal；
When terminal is in charged state, forms series connection to charge-discharge circuit described in the charge-discharge circuit output control and fill
The signal of circuit, charged in parallel circuit or independent charging circuit；
When the terminal is in discharge condition, string is formed to charge-discharge circuit described in the charge-discharge circuit output control
The signal of connection discharge circuit, parallel discharge circuit or independent discharge circuit.
So, in the embodiment of the present invention, charge-discharge circuit includes：Charging input end, electric discharge output and ground；At least
Two batteries, are connected with charging input end, electric discharge output and ground respectively；Multiple switching switch, respectively including connection and
Off-state, is arranged on the connection circuit that at least two batteries are connected with charging input end, electric discharge output and ground；
By controlling the connection or disconnection of multiple switching switches, charge-discharge circuit is formed as at least two batteries and is series at charging input end
The parallel connection between charging input end and earth terminal is parallel between serial connection charge circuit, at least two batteries and earth terminal between
One of charging circuit, at least two batteries battery is connected to the independent charging electricity between charging input end and earth terminal
Road, at least two batteries are series between discharged in series circuit, at least two batteries between electric discharge output and ground simultaneously
One of the parallel discharge circuit being coupled between electric discharge output and ground or at least two batteries battery are connected to
Independent discharge circuit between electric discharge output end and earth terminal.So that battery charge when, can select as needed series connection and
Connection individually charges；In electric discharge, series, parallel or individually electric discharge can be as needed selected.Charge and discharge system is increased, is carried
The compatibility with charger high, and can avoid charging that heating is big, discharge loss is big, the high list of the requirement of docking port and path
Problem caused by one charge and discharge system, improves discharge and recharge experience.Solve the battery charging and discharging mode list of existing mobile terminal
One, it is compatible low with charger, it is impossible to avoid the problem of defect caused by single charge and discharge system.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be in embodiment or description of the prior art
The required accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some realities of the invention
Example is applied, for those of ordinary skill in the art, without having to pay creative labor, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the structural representation of charge-discharge circuit first embodiment of the present invention；
Fig. 2 is the structural representation of charge-discharge circuit second embodiment of the present invention；
Fig. 3 is the structural representation of charge-discharge circuit 3rd embodiment of the present invention；
Fig. 4 is another structural representation of charge-discharge circuit 3rd embodiment of the present invention；
Fig. 5 is the flow chart of the control method of battery charging and discharging of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
First embodiment
Shown in reference picture 1, the charge-discharge circuit of the embodiment of the present invention, including：
Charging input end 11, electric discharge output end 12 and earth terminal 13；
At least two batteries 2, connect with the charging input end 11, the electric discharge output end 12 and the earth terminal 13 respectively
Connect；
Multiple switching switch 3, respectively including connection and off-state, is arranged at least two battery 2 and is filled with described
On the connection circuit that electrical input 11, the electric discharge output end 12 are connected with the earth terminal 13；
By controlling the connections or disconnection of multiple switching switches 3, the charge-discharge circuit be formed as serial connection charge circuit and
Connection charging circuit, independent charging circuit, discharged in series circuit, parallel discharge circuit or independent discharge circuit.
Specifically, switching 3 connection or disconnection by controlling multiple switchings, the charge-discharge circuit is formed as at least two
Battery 2 is series between the serial connection charge circuit between the charging input end 11 and the earth terminal 13, at least two batteries 2
Be parallel to charged in parallel circuit between the charging input end 11 and the earth terminal 13, at least two batteries 2 wherein it
One battery is connected to independent charging circuit between the charging input end 11 and the earth terminal 13, at least two batteries 2 and goes here and there
It is coupled between discharged in series circuit, at least two batteries 2 between the electric discharge output end 12 and the earth terminal 13 and is parallel to
One of parallel discharge circuit or at least two batteries 2 between the electric discharge output end 12 and the earth terminal 13 electricity
Pond is connected to the independent discharge circuit between the electric discharge output end 12 and the earth terminal 13.
The charge-discharge circuit of the embodiment of the present invention can be applied to two or more batteries, realize to two or more batteries
Charge and discharge control.
The charge-discharge circuit of the embodiment of the present invention so that battery charge when, can select as needed series, parallel or
Individually charge；In electric discharge, series, parallel or individually electric discharge can be as needed selected.Charge and discharge system is increased, is improve
With the compatibility of charger, and can avoid charging that heating is big, discharge loss is big, the requirement of docking port and path is high single fills
Problem caused by discharge mode, improves discharge and recharge experience.The battery charging and discharging mode for solving existing mobile terminal is single, with
Charger it is compatible low, it is impossible to avoid the problem of defect caused by single charge and discharge system.
Second embodiment
The embodiment of the present invention is two charge-discharge circuits of battery.
Shown in reference picture 1,2, the charge-discharge circuit of the embodiment of the present invention, including：
Charging input end 11, electric discharge output end 12 and earth terminal 13；
At least two batteries 2, connect with the charging input end 11, the electric discharge output end 12 and the earth terminal 13 respectively
Connect；
Multiple switching switch 3, respectively including connection and off-state, is arranged at least two battery 2 and is filled with described
On the connection circuit that electrical input 11, the electric discharge output end 12 are connected with the earth terminal 13；
By controlling the connection or disconnection of multiple switching switches 3, the charge-discharge circuit is formed as at least two batteries 2 and goes here and there
It is coupled between the serial connection charge circuit between the charging input end 11 and the earth terminal 13, at least two batteries 2 and is parallel to
One of charged in parallel circuit, at least two batteries 2 between the charging input end 11 and the earth terminal 13 battery
It is connected to the independent charging circuit between the charging input end 11 and the earth terminal 13, at least two batteries 2 and is series at institute
State and described putting is parallel between discharged in series circuit, at least two batteries 2 between electric discharge output end 12 and the earth terminal 13
One of parallel discharge circuit or at least two batteries 2 between electricity output end 12 and the earth terminal 13 battery is connected
Independent discharge circuit between the electric discharge output end 12 and the earth terminal 13；
At least two battery 2 includes：First battery B1 and the second battery B2；
The first end of the first battery B1 is connected with the charging input end 11, and switchs Q1 and institute by the first switching
State electric discharge output end 12 to connect, second end of the first battery B1 is connected by the second switching switch Q2 with the earth terminal 13
Connect；
The first end of the second battery B2 is connected by the 3rd switching switch Q3 with the electric discharge output end 12, and described the
Second end of two battery B2 is connected with the earth terminal 13；The first end of the second battery B2 is also by the 4th switching switch Q4
It is connected to before being arranged at the second battery B2 and the battery adjacent with the second battery B2 and the 5th switches switch
Between, wherein, it is described be arranged at the second battery B2 before and the battery adjacent with the second battery B2 passes through the described 5th
Switching switch is connected with the earth terminal 13.
Here, before being arranged at the second battery B2 and the battery adjacent with the second battery B2 is actually referred to
It is the first battery B1, the 5th switching switch refers to the second switching switch Q2.The first end of the second battery B2 is also cut by the 4th
Switch Q4 is changed to be connected between the switching switches of the first battery B1 and second Q2.
Now, opened by the switching switch of control first Q1, the second switching switch Q2, the 3rd switching switchings of switch Q3 and the 4th
The connection or disconnection of Q4 are closed, charge-discharge circuit is formed as the first battery B1 and the second battery B2 and is series at charging input end 11 and connects
Serial connection charge circuit between ground terminal 13, between the first battery B1 and the second battery B2 it is parallel to charging input end 11 and earth terminal
Charged in parallel circuit, the first battery B1 or the second battery B2 between 13 are connected between charging input end 11 and earth terminal 13
Independent charging circuit, the first battery B1 and the second battery B2 are series at the discharged in series between electric discharge output end 12 and earth terminal 13
The parallel discharge circuit between electric discharge output end 12 and earth terminal 13 is parallel between circuit, the first battery B1 and the second battery B2
Or first battery B1 or the second battery B2 be connected to electric discharge output end 12 and earth terminal 13 between independent discharge circuit.
The charge-discharge circuit of the embodiment of the present invention so that battery charge when, can select as needed series, parallel or
Individually charge；In electric discharge, series, parallel or individually electric discharge can be as needed selected.Charge and discharge system is increased, is improve
With the compatibility of charger, and can avoid charging that heating is big, discharge loss is big, the requirement of docking port and path is high single fills
Problem caused by discharge mode, improves discharge and recharge experience.The battery charging and discharging mode for solving existing mobile terminal is single, with
Charger it is compatible low, it is impossible to avoid the problem of defect caused by single charge and discharge system.
Optionally, the charging input end 11 is connected with the charging voltage bus VBUS of terminal；The electric discharge output end 12
It is connected with the application system of terminal；The earth terminal 13 is connected with the ground of terminal.
Now, when terminal is in charged state, electric current is charged the battery by VBUS, when terminal is in discharge condition
When, battery discharges to the application system of terminal.
Specifically, when terminal is in charged state, can control Q1 and Q2 and disconnect, Q3 is connected with Q4, or control Q1, Q2
Disconnected with Q3, Q4 connections, now charge-discharge circuit is formed as B1 and B2 and is series between charging input end 11 and earth terminal 13
Serial connection charge circuit, electric current is charged by VBUS to B1 and B2.In charging process, if Q3 is connected, can be by B2 to terminal
Application system is powered, if Q3 disconnects, application system that can be by the power management module of VBUS external connections to terminal is powered.
When terminal is in charged state, also can control Q1 and connected with Q2, Q3 and Q4 disconnects, or control Q2 connections, Q1,
Q3 and Q4 disconnects, and now charge-discharge circuit is formed as the independent charging electricity that B1 is connected between charging input end 11 and earth terminal 13
Road, electric current is charged by VBUS to B1.In charging process, if Q1 is connected, can be powered to the application system of terminal by B1, if
Q1 is disconnected, and application system that can be by the power management module of VBUS external connections to terminal is powered.
When terminal is in charged state, also can control Q1 and connected with Q3, Q2 and Q4 is disconnected, and now charge-discharge circuit is formed
For B2 is connected to the independent charging circuit between charging input end 11 and earth terminal 13, electric current is charged by VBUS to B2.Filling
In electric process, can be powered to the application system of terminal by B2.
When terminal is in discharge condition, controllable Q1 is connected with Q4, and Q2 and Q3 disconnects, and now discharge circuit is formed as B1
And B2 is series at the discharged in series circuit between electric discharge output end 12 and earth terminal 13, the application system that B1 and B2 connects to terminal
Electric discharge.
When terminal is in discharge condition, also can control Q1, Q2 and connected with Q3, Q4 disconnects, and now discharge circuit is formed as
The parallel discharge circuit between electric discharge output end 12 and earth terminal 13, B1 and B2 answering to terminal in parallel are parallel between B1 and B2
Use system discharge.
When terminal is in discharge condition, Q4 connections are also can control, Q1, Q2 and Q3 disconnect, and now discharge circuit is formed as
B2 is connected to the independent discharge circuit between electric discharge output end 12 and earth terminal 13, and B2 discharges to the application system of terminal.
When terminal is in discharge condition, also can control Q1 and connected with Q2, Q3 and Q4 disconnects, and now discharge circuit is formed as
B1 is connected to the independent discharge circuit between electric discharge output end 12 and earth terminal 13, and B1 discharges to the application system of terminal.
Optionally, the switching switch is using mos field effect transistor (metal-oxide-semiconductor).
The charge-discharge circuit of the embodiment of the present invention, can select serial or parallel connection or independent according to the situation of charging voltage
Charge.Serial or parallel connection or individually electric discharge can be selected according to rear class power consumption and the situation of battery electric quantity.Improve charger
Compatibility, can reduce heating, reduce the requirement to battery and path and interface.
The charge-discharge circuit of the embodiment of the present invention, while meeting quick charge, can reduce the capacity of single battery, from
And reduce the risk of battery.Different battery serial or parallel connection or independent discharge and recharges can be as needed selected, it is relatively flexible full
The application demand of pedal system.In addition, the charge-discharge circuit can not only meet design in the terminals such as mobile phone, experience is improved.Also
Can be applied with other equipment (such as notebook, unmanned plane), improve the performance of product.
3rd embodiment
The embodiment of the present invention is three or more than three charge-discharge circuits of battery.
Shown in reference picture 1,3,4, the charge-discharge circuit of the embodiment of the present invention, including：
Charging input end 11, electric discharge output end 12 and earth terminal 13；
At least two batteries 2, connect with the charging input end 11, the electric discharge output end 12 and the earth terminal 13 respectively
Connect；
Multiple switching switch 3, respectively including connection and off-state, is arranged at least two battery 2 and is filled with described
On the connection circuit that electrical input 11, the electric discharge output end 12 are connected with the earth terminal 13；
By controlling the connection or disconnection of multiple switching switches 3, the charge-discharge circuit is formed as at least two batteries 2 and goes here and there
It is coupled between the serial connection charge circuit between the charging input end 11 and the earth terminal 13, at least two batteries 2 and is parallel to
One of charged in parallel circuit, at least two batteries 2 between the charging input end 11 and the earth terminal 13 battery
It is connected to the independent charging circuit between the charging input end 11 and the earth terminal 13, at least two batteries 2 and is series at institute
State and described putting is parallel between discharged in series circuit, at least two batteries 2 between electric discharge output end 12 and the earth terminal 13
One of parallel discharge circuit or at least two batteries 2 between electricity output end 12 and the earth terminal 13 battery is connected
Independent discharge circuit between the electric discharge output end 12 and the earth terminal 13；
At least two battery 2 includes：First battery B1 and the second battery B2；
The first end of the first battery B1 is connected with the charging input end 11, and switchs Q1 and institute by the first switching
State electric discharge output end 12 to connect, second end of the first battery B1 is connected by the second switching switch Q2 with the earth terminal 13
Connect；
The first end of the second battery B2 is connected by the 3rd switching switch Q3 with the electric discharge output end 12, and described the
Second end of two battery B2 is connected with the earth terminal 13；The first end of the second battery B2 is also by the 4th switching switch Q4
It is connected to before being arranged at the second battery B2 and the battery adjacent with the second battery B2 and the 5th switches switch
Between, wherein, it is described be arranged at the second battery B2 before and the battery adjacent with the second battery B2 passes through the described 5th
Switching switch is connected with the earth terminal 13；
At least two battery 2 also includes：It is arranged between the first battery B1 and the second battery B2 one
Individual or multiple 3rd battery B3；
The first end of the 3rd battery B3 is connected by the 6th switching switch with the electric discharge output end 12, and the described 3rd
Second end of battery B3 is connected by the 7th switching switch with the earth terminal 13；
The first end of the 3rd battery B3 also by the 8th switching switch be connected to be arranged at the 3rd battery B3 it
Before and the battery adjacent with the 3rd battery B3 and the 9th switching switch between, wherein, it is described to be arranged at the 3rd battery
Before B3 and the battery adjacent with the 3rd battery B3 is connected by the described 9th switching switch with the earth terminal 13.
Shown in reference picture 3, it is assumed that had between the first battery B1 and the second battery B2 n the 3rd battery B3, n be more than or
Integer equal to 1.First first end of the 3rd battery B31 is by first the 6th switching switch Q61 and electric discharge output end 12
Connection, also switchs Q81 and is connected between B1 and Q2 by first the 8th switching, and first second end of the 3rd battery B31 leads to
First the 7th switching switch Q71 is crossed to be connected with earth terminal 13；By that analogy, n-th first ends of the 3rd battery B3n are by the
The switchings of n the 6th switch Q6n is connected with electric discharge output end 12, also by n-th the 8th switchings switch Q8n be connected to B1 and Q2 it
Between, n-th second ends of the 3rd battery B3n are connected by n-th the 7th switching switch Q7n with earth terminal 13.Second battery B2
First end also by the 4th switching switch Q4 be connected between B3n and Q7n.
Now, by controlling the connection or disconnection of switching switch, charge-discharge circuit is formed as the first battery B1, the second battery
B2 and n the 3rd battery B3 are series at serial connection charge circuit between charging input end 11 and earth terminal 13, the first battery B1, the
Charged in parallel circuit between charging input end 11 and earth terminal 13, the are parallel between two battery B2 and n the 3rd battery B3
One of the individual 3rd battery B3 of one battery B1, the second battery B2 and n battery is connected to charging input end 11 and earth terminal 13
Between independent charging circuit, the first battery B1, the second battery B2 and n the 3rd battery B3 be series at electric discharge output end 12 and connect
It is defeated electric discharge to be parallel between discharged in series circuit, the first battery B1, the second battery B2 and n a 3rd battery B3 between ground terminal 13
Parallel discharge circuit or the first battery B1, the second battery B2 and n the 3rd battery B3's gone out between end 12 and earth terminal 13
One of them battery is connected to the independent discharge circuit between electric discharge output end 12 and earth terminal 13.
Further, shown in reference picture 4, it is assumed that the 3rd battery is had between the first battery B1 and the second battery B2
The first end of B3, the 3rd battery B3 is connected by the 6th switching switch Q6 with electric discharge output end 12, is also switched by the 8th switching
Q8 is connected between B1 and Q2, and second end of the 3rd battery B3 is connected by the 7th switching switch Q7 with earth terminal 13.Second electricity
The first end of pond B2 also switchs Q4 and is connected between B3 and Q7 by the 4th switching.
Now, by controlling the connection or disconnection of Q1, Q2, Q3, Q4, Q6, Q7 and Q8, charge-discharge circuit is formed as B1, B2
And B3 is series at serial connection charge circuit between charging input end 11 and earth terminal 13, that charging is parallel between B1, B2 and B3 is defeated
Enter the charged in parallel circuit between end 11 and earth terminal 13, B1, B2 or B3 to be connected between charging input end 11 and earth terminal 13
Independent charging circuit, B1, B2 and B3 be series at electric discharge output end 12 and earth terminal 13 between discharged in series circuit, B1, B2
The parallel discharge circuit or B1, B2 or B3 being parallel to and B3 between electric discharge output end 12 and earth terminal 13 are connected to electric discharge
Independent discharge circuit between output end 12 and earth terminal 13.
The charge-discharge circuit of the embodiment of the present invention so that battery charge when, can select as needed series, parallel or
Individually charge；In electric discharge, series, parallel or individually electric discharge can be as needed selected.Charge and discharge system is increased, is improve
With the compatibility of charger, and can avoid charging that heating is big, discharge loss is big, the requirement of docking port and path is high single fills
Problem caused by discharge mode, improves discharge and recharge experience.The battery charging and discharging mode for solving existing mobile terminal is single, with
Charger it is compatible low, it is impossible to avoid the problem of defect caused by single charge and discharge system.
Optionally, the charging input end 11 is connected with the charging voltage bus VBUS of terminal；The electric discharge output end 12
It is connected with the application system of terminal；The earth terminal 13 is connected with the ground of terminal.
Now, when terminal is in charged state, electric current is charged the battery by VBUS, when terminal is in discharge condition
When, battery discharges to the application system of terminal.
Optionally, the switching switch is using mos field effect transistor (metal-oxide-semiconductor).
The charge-discharge circuit of the embodiment of the present invention, can select serial or parallel connection or independent according to the situation of charging voltage
Charge.Serial or parallel connection or individually electric discharge can be selected according to rear class power consumption and the situation of battery electric quantity.Improve charger
Compatibility, can reduce heating, reduce the requirement to battery and path and interface.
The charge-discharge circuit of the embodiment of the present invention, while meeting quick charge, can reduce the capacity of single battery, from
And reduce the risk of battery.Different battery serial or parallel connection or independent discharge and recharges can be as needed selected, it is relatively flexible full
The application demand of pedal system.In addition, the charge-discharge circuit can not only meet design in the terminals such as mobile phone, experience is improved.Also
Can be applied with other equipment (such as notebook, unmanned plane), improve the performance of product.
Fourth embodiment
The embodiment of the invention provides a kind of mobile terminal, including the charge-discharge circuit as described in above-mentioned embodiment.
Wherein, above-mentioned first embodiment to the described of charge-discharge circuit of 3rd embodiment realizes example suitable for the shifting
In the embodiment of dynamic terminal, identical technique effect can be also reached.
Specifically, the mobile terminal of the embodiment of the present invention can be mobile phone, panel computer, personal digital assistant
(Personal Digital Assistant, PDA) or vehicle-mounted computer etc..
5th embodiment
A kind of control method of battery charging and discharging is the embodiment of the invention provides, is applied to as described in above-mentioned embodiment
Charge-discharge circuit.
Shown in reference picture 5, the control method of the battery charging and discharging of the embodiment of the present invention includes：
Step 501, detects the charging and discharging state of terminal.
Step 502, when terminal is in charged state, to charge-discharge circuit shape described in the charge-discharge circuit output control
Into the signal of series connection charging circuit, charged in parallel circuit or independent charging circuit.
Here, can control charge-discharge circuit selection serial or parallel connection or individually charge according to the situation of charging voltage.
Step 502, when the terminal is in discharge condition, to discharge and recharge electricity described in the charge-discharge circuit output control
Road forms the signal of discharged in series circuit, parallel discharge circuit or independent discharge circuit.
Here, charge-discharge circuit selection serial or parallel connection or list can be controlled according to rear class power consumption and the situation of battery electric quantity
Solely electric discharge.
The control method of the battery charging and discharging of the embodiment of the present invention so that battery can be selected as needed when charging
Series, parallel individually charges；In electric discharge, series, parallel or individually electric discharge can be as needed selected.Increased discharge and recharge
Mode, improves the compatibility with charger, and can avoid charging that heating is big, discharge loss is big, docking port and path will
Problem caused by high single charge and discharge system is sought, discharge and recharge experience is improve.Solve the battery charge and discharge of existing mobile terminal
It is electrically single, it is compatible low with charger, it is impossible to avoid the problem of defect caused by single charge and discharge system.
Further, the step of above-mentioned steps 502 include：
When the terminal is in discharge condition, and whole dump energies of at least two battery are less than predetermined threshold value
When, the signal of discharged in series circuit is formed to charge-discharge circuit described in the charge-discharge circuit output control.
Now, when terminal is in discharge condition, and during dump energy abundance, charge-discharge circuit parallel discharge or list be can control
Solely electric discharge, with reduce loss；When terminal is in discharge condition, and during dump energy deficiency, charge-discharge circuit series connection is just controlled to put
Electricity, to ensure that providing larger electricity as far as possible supports terminal operating.
The control method of the battery charging and discharging of the embodiment of the present invention so that battery can be selected as needed when charging
Series, parallel individually charges；In electric discharge, series, parallel or individually electric discharge can be as needed selected.Increased discharge and recharge
Mode, improves the compatibility with charger, and can avoid charging that heating is big, discharge loss is big, docking port and path will
Problem caused by high single charge and discharge system is sought, discharge and recharge experience is improve.Solve the battery charge and discharge of existing mobile terminal
It is electrically single, it is compatible low with charger, it is impossible to avoid the problem of defect caused by single charge and discharge system.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
In the description of the invention, it is to be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness ",
" on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation of instruction such as " outward " or
Position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, without
Be indicate or imply meaning device or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that to be limitation of the present invention.In the description of the invention, unless otherwise indicated, " multiple " is meant that two or two
More than.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (11)
1. a kind of charge-discharge circuit, it is characterised in that including：
Charging input end, electric discharge output and ground；
At least two batteries, are connected with the charging input end, the electric discharge output end and the earth terminal respectively；
Multiple switching switch, respectively including connection and off-state, is arranged at least two battery with the input of charging
On the connection circuit that end, the electric discharge output end are connected with the earth terminal；
By controlling the connection or disconnection of multiple switching switches, the charge-discharge circuit is formed as serial connection charge circuit, parallel connection and fills
Circuit, independent charging circuit, discharged in series circuit, parallel discharge circuit or independent discharge circuit.
2. charge-discharge circuit according to claim 1, it is characterised in that by the company's on-offs for controlling multiple switching switches
Open, the charge-discharge circuit is formed as the series connection that at least two batteries are series between the charging input end and the earth terminal
Be parallel between charging circuit, at least two batteries charged in parallel circuit between the charging input end and the earth terminal,
One of at least two batteries battery be connected to independent charging circuit between the charging input end and the earth terminal,
At least two batteries be series at it is described electric discharge output end and the earth terminal between discharged in series circuit, at least two batteries it
Between be parallel to it is described electric discharge output end and the earth terminal between parallel discharge circuit or at least two batteries wherein it
One battery is connected to the independent discharge circuit between the electric discharge output end and the earth terminal.
3. charge-discharge circuit according to claim 1, it is characterised in that at least two battery includes：First battery
With the second battery；
The first end of first battery is connected with the charging input end, and by the first switching switch and the electric discharge output
End connection, the second end of first battery is connected by the second switching switch with the earth terminal；
The first end of second battery is connected by the 3rd switching switch with the electric discharge output end, and the of second battery
Two ends are connected with the earth terminal.
4. charge-discharge circuit according to claim 3, it is characterised in that the first end of second battery also passes through the 4th
Switching switch is connected to before being arranged at second battery and the battery adjacent with second battery and the 5th switching switch
Between, wherein, it is described be arranged at second battery before and the battery adjacent with second battery cut by the described 5th
Switch is changed to be connected with the earth terminal.
5. charge-discharge circuit according to claim 3, it is characterised in that at least two battery also includes：It is arranged at
One or more the 3rd batteries between first battery and second battery；
The first end of the 3rd battery is connected by the 6th switching switch with the electric discharge output end, and the of the 3rd battery
Two ends are connected by the 7th switching switch with the earth terminal.
6. charge-discharge circuit according to claim 5, it is characterised in that the first end of the 3rd battery also passes through the 8th
Switching switch is connected to before being arranged at the 3rd battery and the battery adjacent with the 3rd battery and the 9th switching switch
Between, wherein, it is described be arranged at the 3rd battery before and the battery adjacent with the 3rd battery cut by the described 9th
Switch is changed to be connected with the earth terminal.
7. charge-discharge circuit according to claim 1, it is characterised in that the switching switch is partly led using metal oxide
Body field-effect transistor.
8. charge-discharge circuit according to claim 1, it is characterised in that the charging voltage of the charging input end and terminal
Bus is connected；The electric discharge output end is connected with the application system of terminal；The earth terminal is connected with the ground of terminal.
9. a kind of mobile terminal, it is characterised in that including：Charge-discharge circuit as any one of claim 1 to 8.
10. a kind of control method of battery charging and discharging, is applied to the charge-discharge circuit as any one of claim 1 to 8,
It is characterised in that it includes：
Detect the charging and discharging state of terminal；
When terminal is in charged state, serial connection charge electricity is formed to charge-discharge circuit described in the charge-discharge circuit output control
The signal on road, charged in parallel circuit or independent charging circuit；
When the terminal is in discharge condition, forms series connection to charge-discharge circuit described in the charge-discharge circuit output control and put
The signal of circuit, parallel discharge circuit or independent discharge circuit.
11. control methods according to claim 10, it is characterised in that when the terminal is in discharge condition, to institute
State charge-discharge circuit described in charge-discharge circuit output control and form discharged in series circuit, parallel discharge circuit or independent discharge circuit
Signal the step of include：
When the terminal be in discharge condition, and at least two battery whole dump energies be less than predetermined threshold value when, to
Charge-discharge circuit described in the charge-discharge circuit output control forms the signal of discharged in series circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102545.7A CN106786998A (en) | 2017-02-24 | 2017-02-24 | A kind of control method of charge-discharge circuit, mobile terminal and battery charging and discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102545.7A CN106786998A (en) | 2017-02-24 | 2017-02-24 | A kind of control method of charge-discharge circuit, mobile terminal and battery charging and discharging |
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| CN106786998A true CN106786998A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710102545.7A Pending CN106786998A (en) | 2017-02-24 | 2017-02-24 | A kind of control method of charge-discharge circuit, mobile terminal and battery charging and discharging |
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| CN108710038A (en) * | 2018-04-28 | 2018-10-26 | 宁波中车新能源科技有限公司 | A kind of portable super capacitor module detecting device |
| CN109149674A (en) * | 2017-06-27 | 2019-01-04 | 北京小米移动软件有限公司 | Battery module and electronic equipment |
| CN109496383A (en) * | 2018-10-18 | 2019-03-19 | 深圳维普创新科技有限公司 | A kind of charging of battery and balancing circuitry |
| CN109560335A (en) * | 2017-09-27 | 2019-04-02 | 北京小米移动软件有限公司 | Battery and its charging/discharging thereof, device, terminal, storage medium |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738845A (en) * | 2011-04-01 | 2012-10-17 | 祥业科技股份有限公司 | Improved serial independent detecting battery charger |
| CN103190056A (en) * | 2010-07-27 | 2013-07-03 | 竹田佳史 | Charging control method and discharging control method for electricity storage device |
| EP2624410A1 (en) * | 2012-02-01 | 2013-08-07 | Intesens | Electronic circuit for recovering, storing and redelivering electric power and related method |
| CN104067507A (en) * | 2012-02-08 | 2014-09-24 | 李宗郁 | Reconfigurable battery |
| CN104901354A (en) * | 2015-03-23 | 2015-09-09 | 托马斯·达密兹 | Battery system and power device provided with battery system |
-
2017
- 2017-02-24 CN CN201710102545.7A patent/CN106786998A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190056A (en) * | 2010-07-27 | 2013-07-03 | 竹田佳史 | Charging control method and discharging control method for electricity storage device |
| CN102738845A (en) * | 2011-04-01 | 2012-10-17 | 祥业科技股份有限公司 | Improved serial independent detecting battery charger |
| EP2624410A1 (en) * | 2012-02-01 | 2013-08-07 | Intesens | Electronic circuit for recovering, storing and redelivering electric power and related method |
| CN104067507A (en) * | 2012-02-08 | 2014-09-24 | 李宗郁 | Reconfigurable battery |
| CN104901354A (en) * | 2015-03-23 | 2015-09-09 | 托马斯·达密兹 | Battery system and power device provided with battery system |
Cited By (24)
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|---|---|---|---|---|
| CN109149674A (en) * | 2017-06-27 | 2019-01-04 | 北京小米移动软件有限公司 | Battery module and electronic equipment |
| CN109560335B (en) * | 2017-09-27 | 2020-10-09 | 北京小米移动软件有限公司 | Battery, charging and discharging method and device thereof, terminal and storage medium |
| CN109560335A (en) * | 2017-09-27 | 2019-04-02 | 北京小米移动软件有限公司 | Battery and its charging/discharging thereof, device, terminal, storage medium |
| CN108710038A (en) * | 2018-04-28 | 2018-10-26 | 宁波中车新能源科技有限公司 | A kind of portable super capacitor module detecting device |
| CN109496383A (en) * | 2018-10-18 | 2019-03-19 | 深圳维普创新科技有限公司 | A kind of charging of battery and balancing circuitry |
| CN110741528B (en) * | 2018-12-21 | 2024-03-15 | Oppo广东移动通信有限公司 | Battery power supply circuit, equipment to be charged and charging control method |
| CN110741528A (en) * | 2018-12-21 | 2020-01-31 | Oppo广东移动通信有限公司 | Battery power supply circuit, equipment to be charged and charging control method |
| CN109617181A (en) * | 2018-12-29 | 2019-04-12 | 歌尔股份有限公司 | A kind of earphone, earphone charge-discharge control system and method |
| WO2020199833A1 (en) * | 2019-04-04 | 2020-10-08 | 上海众链科技有限公司 | Battery charging and discharging management system |
| CN110048479A (en) * | 2019-04-22 | 2019-07-23 | 维沃移动通信有限公司 | A kind of battery control method and terminal device |
| CN111900769A (en) * | 2019-05-06 | 2020-11-06 | 华为技术有限公司 | Charging control circuit and electronic equipment |
| WO2020224467A1 (en) * | 2019-05-06 | 2020-11-12 | 华为技术有限公司 | Charging control circuit and electronic device |
| CN110400982A (en) * | 2019-07-01 | 2019-11-01 | 联想(北京)有限公司 | A kind of charging/discharging thereof and electronic equipment |
| CN112703653B (en) * | 2019-08-23 | 2023-12-15 | 华为技术有限公司 | Charging system and method |
| CN112703653A (en) * | 2019-08-23 | 2021-04-23 | 华为技术有限公司 | Charging system and method |
| CN112448424A (en) * | 2019-08-29 | 2021-03-05 | 北京小米移动软件有限公司 | Terminal device |
| CN113746147A (en) * | 2020-05-27 | 2021-12-03 | 北京小米移动软件有限公司 | Charging circuit, electronic device, charging control method, and readable storage medium |
| WO2021249150A1 (en) * | 2020-06-09 | 2021-12-16 | 中兴通讯股份有限公司 | Charging and discharging method for series-parallel battery, and series-parallel battery system |
| CN112821508A (en) * | 2021-02-04 | 2021-05-18 | 北京小米移动软件有限公司 | Charging method, charging device and storage medium |
| CN112821508B (en) * | 2021-02-04 | 2024-04-23 | 北京小米移动软件有限公司 | Charging method, device and storage medium |
| CN113415196A (en) * | 2021-06-04 | 2021-09-21 | 奇瑞新能源汽车股份有限公司 | Vehicle charging method and device and vehicle |
| WO2023220979A1 (en) * | 2022-05-18 | 2023-11-23 | 宁德时代新能源科技股份有限公司 | Charging method and apparatus, and electronic device and storage medium |
| CN114865755A (en) * | 2022-07-06 | 2022-08-05 | 荣耀终端有限公司 | Multi-battery power supply, charging and discharging method and electronic equipment |
| CN114865755B (en) * | 2022-07-06 | 2022-11-18 | 荣耀终端有限公司 | Multi-battery power supply, charging and discharging method and electronic equipment |
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Effective date of registration: 20171107 Address after: 283 No. 523860 Guangdong province Dongguan city Changan town usha BBK Avenue Applicant after: VIVO MOBILE COMMUNICATION CO., LTD. Applicant after: Wewo Mobile Communication Co. Ltd. Beijing branch Address before: 283 No. 523860 Guangdong province Dongguan city Changan town usha BBK Avenue Applicant before: VIVO MOBILE COMMUNICATION CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170531 |