CN106451669A - Rapid charging control method, device, multi-cell battery and mobile terminal - Google Patents
Rapid charging control method, device, multi-cell battery and mobile terminal Download PDFInfo
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- CN106451669A CN106451669A CN201611064139.8A CN201611064139A CN106451669A CN 106451669 A CN106451669 A CN 106451669A CN 201611064139 A CN201611064139 A CN 201611064139A CN 106451669 A CN106451669 A CN 106451669A
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- 238000000034 method Methods 0.000 title claims abstract description 77
- 230000008569 process Effects 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 22
- 230000005669 field effect Effects 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 abstract description 18
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000009466 transformation Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- IAIWVQXQOWNYOU-FPYGCLRLSA-N nitrofural Chemical compound NC(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 IAIWVQXQOWNYOU-FPYGCLRLSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- 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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a rapid charging control method, a device, a multi-cell battery and a mobile terminal, and relates to the technical field of rechargeable batteries. The rapid charging control method includes the steps: setting a parallel circuit among a plurality of cells in the multi-cell battery; coupling a switching circuit into the parallel circuit to form a series-parallel conversion circuit; connecting the series-parallel conversion circuit to an external interface of the multi-cell battery; receiving charging current by the external interface and converting the parallel circuit into a series circuit for charging by on-off state change of a plurality of electronic switches. The switching circuit is provided with the electronic switches. According to the technical scheme, on-off conditions of the electronic switches in the switching circuit can be adjusted according to charge-discharge conditions of the multi-cell battery, the series-parallel connection relationship among the cells of the battery is changed, the series charging and parallel discharging process can be at least realized, charging speed is improved, and better use experience is brought for users.
Description
Technical field
The present invention relates to rechargeable battery technical field, in particular to control method for quickly charging, quick charge control
System processed, many battery cores battery and mobile terminal.
Background technology
With the lifting of smart mobile phone performance, its power consumption also increases continuous, correspondingly needs offer more jumbo
Battery, forms the increasingly longer technical problem of charging required time, have high voltage in the market fills technology, soon to charging
Speed has certain lifting, but still aobvious charging rate is not fast, and the charging that can not meet increasing battery capacity is with degree demand.
Therefore, the charging rate how lifting the high capacity cell with many battery cores further becomes technology urgently to be resolved hurrily
Problem.
Content of the invention
It is contemplated that at least solving one of technical problem present in above-mentioned prior art or correlation technique.
For this reason, it is an object of the present invention to proposing a kind of control method for quickly charging.
Further object is that providing a kind of quick charge control system.
It is yet a further object of the present invention to provide a kind of mobile terminal.
It is yet a further object of the present invention to provide a kind of many battery cores battery.
A first aspect of the present invention proposes a kind of control method for quickly charging, including：Multiple in many battery cores battery
Parallel circuit is set between battery core；Coupled switched circuits in parallel circuit, form series-parallel transition circuit, wherein, switch electricity
Road has multiple electrical switches；Series-parallel transition circuit is connected the external interface of at most battery core battery；External interface receives
Parallel circuit is converted into series circuit by the on off operating mode change of multiple electrical switches and is charged by charging current.
Control method for quickly charging according to a first aspect of the present invention, forms many battery cores battery using multiple battery cores, and
On-off circuit is set in multiple battery core parallel circuits, and on-off circuit couples formation series-parallel transition circuit with parallel circuit, can
Service condition according to battery switches connection in series-parallel state at any time, supplies by external interface reception charging current or for load circuit
Parallel connection between multiple battery cores wherein, is converted to series-like in the case of outside interface to charging current by electricity
State, to adapt to the charging process of higher voltage, carries out quick charge.Additionally, about the transformation process of connection in series-parallel state, can not only
The voltage swing information being enough electrically charged electric current carries out electricity triggering it is also possible to setting mechanical switch, is inserted into charging in external interface
Touch mechanical switch during device charging head, multiple battery cores of parallel discharge are converted to series connection and are charged.By this scheme,
The connection in series-parallel relation between multiple battery cores can neatly be changed, by the way of converting series and parallel relation between battery, significantly
Improve voltage when charging, the charging rate of high capacity cell will be substantially improved, reduce the charging interval, be that user brings good making
With experience.
It is preferable that also including in technique scheme：After charging terminates, by the break-make shape of multiple electrical switches
Series circuit is converted to parallel circuit by state change, so that discharge process uses.
In this technical scheme, serial connection charge can utilize the charger of larger voltage to lift charging rate, but is putting
It is accomplished by electric process adjusting connection status according to loading condition, discharge process passes through on-off circuit by serial connection charge state
Be converted to the state of parallel discharge, adapt to the working environment of load.
In technique scheme it is preferable that on-off circuit include conducting medium, magnetic switch, relay, diode,
One or more of audion, transistor, field effect transistor, electric capacity, inductance and resistance.
In this technical scheme, on-off circuit is by conducting medium (wire), magnetic switch, relay, diode, three poles
One or more of pipe, transistor, field effect transistor, electric capacity, inductance and resistance form, and for example, are connected multiple micro- by wire
Type electronic relay, arranges multiple resistance according to real needs, inductance carries out impedance matching simultaneously, is configured to adjust circuit string
The on-off circuit of parallel relationship.Or make switch electricity using miniature electromagnetic switch cooperation audion, transistor and field effect transistor
Road, electric capacity, inductance and resistance constitute protection circuit by conducting medium, and composition meets the on-off circuit changed the mechanism.Using many
The different types of on-off circuit of electronic element configuration of sample, disclosure satisfy that and more use scene.
It is preferable that also including in technique scheme：Setting voltage detecting circuit connects and connects to the outside of multi cell battery
Mouthful, voltage detecting circuit, according to the magnitude of voltage of charging current, controls the on off operating mode of multiple electrical switches.
In this technical scheme, realize more accurately connection in series-parallel switching by way of voltage detecting circuit (element) is set
Strategy.Additionally, the method by arranging voltage detecting circuit (element), the change in voltage of charge and discharge process is detected,
Trigger switch circuit in the case of charging voltage reaches the requirement of charged in parallel is detected and automatically switch to series model, detecting
In discharge process, when battery core voltage is relatively low, changes a part of parallel circuit, the relatively low battery core of superimposed voltage, obtain higher putting
Piezoelectric voltage, for powering load.
It is preferable that also including in technique scheme：Balancing circuitry is set in series-parallel transition circuit, in order to flat
Weighing apparatus controls the charging process of each battery core.
In this technical scheme, during charge or discharge, the impedance meeting slightly difference of each battery core, have influence on each
The service life of individual battery core and performance, setting balancing circuitry can balance the working condition of each battery core, enables more
Complete well charge and discharge process, extend battery core service life simultaneously.
A second aspect of the present invention provides a kind of quick charge control system, including：Parallel circuit, for by many battery cores
It is connected in parallel between multiple battery cores in battery；Change-over circuit, coupled switched circuits in parallel circuit, form series-parallel conversion
Circuit, wherein, on-off circuit has multiple electrical switches；External interface, connects to change-over circuit, external interface fills for reception
The charging current of electrical equipment or external circuit is powered by multiple battery cores；Charhing unit, external interface receives charging electricity
Parallel circuit is converted into series circuit by the on off operating mode change of multiple electrical switches and is charged by stream.
Quick charge control system according to a second aspect of the present invention, forms many battery cores battery using multiple battery cores, and
On-off circuit is set in multiple battery core parallel circuits, and on-off circuit couples formation series-parallel transition circuit with parallel circuit, can
Service condition according to battery switches connection in series-parallel state at any time, supplies by external interface reception charging current or for load circuit
Parallel connection between multiple battery cores wherein, is converted to series-like in the case of outside interface to charging current by electricity
State, to adapt to the charging process of higher voltage, carries out quick charge.Additionally, about the transformation process of connection in series-parallel state, can not only
The voltage swing information being enough electrically charged electric current carries out electricity triggering it is also possible to setting mechanical switch, is inserted into charging in external interface
Touch mechanical switch during device charging head, multiple battery cores of parallel discharge are converted to series connection and are charged.By this scheme,
The connection in series-parallel relation between multiple battery cores can neatly be changed, by the way of converting series and parallel relation between battery, significantly
Improve voltage when charging, the charging rate of high capacity cell will be substantially improved, reduce the charging interval, be that user brings good making
With experience.
Quick charge control system according to a second aspect of the present invention, also includes：Discharge cell, in end of charging
Afterwards, changed by the on off operating mode of multiple electrical switches and series circuit is converted to parallel circuit, so that discharge process uses.
In this technical scheme, serial connection charge can utilize the charger of larger voltage to lift charging rate, but is putting
It is accomplished by electric process adjusting connection status according to loading condition, discharge process passes through on-off circuit by serial connection charge state
Be converted to the state of parallel discharge, adapt to the working environment of load.
It is preferable that on-off circuit includes in technique scheme：Conducting medium, magnetic switch, relay, diode,
One or more of audion, transistor, field effect transistor, electric capacity, inductance and resistance.
In this technical scheme, on-off circuit is by conducting medium (wire), magnetic switch, relay, diode, three poles
One or more of pipe, transistor, field effect transistor, electric capacity, inductance and resistance form, and for example, are connected multiple micro- by wire
Type electronic relay, arranges multiple resistance according to real needs, inductance carries out impedance matching simultaneously, is configured to adjust circuit string
The on-off circuit of parallel relationship.Or make switch electricity using miniature electromagnetic switch cooperation audion, transistor and field effect transistor
Road, electric capacity, inductance and resistance constitute protection circuit by conducting medium, and composition meets the on-off circuit changed the mechanism.Using many
The different types of on-off circuit of electronic element configuration of sample, disclosure satisfy that and more use scene.
It is preferable that also including in technique scheme：Voltage detecting circuit, connects to the external interface of multi cell battery,
Voltage detecting circuit, according to the magnitude of voltage of charging current, controls the on off operating mode of multiple electrical switches.
In this technical scheme, realize more accurately connection in series-parallel switching by way of voltage detecting circuit (element) is set
Strategy.Additionally, the method by arranging voltage detecting circuit (element), the change in voltage of charge and discharge process is detected,
Trigger switch circuit in the case of charging voltage reaches the requirement of charged in parallel is detected and automatically switch to series model, detecting
In discharge process, when battery core voltage is relatively low, changes a part of parallel circuit, the relatively low battery core of superimposed voltage, obtain higher putting
Piezoelectric voltage, for powering load.
It is preferable that also including in technique scheme：Balancing circuitry, in order to balance the charging controlling each battery core
Journey.
In this technical scheme, during charge or discharge, the impedance meeting slightly difference of each battery core, have influence on each
The service life of individual battery core and performance, setting balancing circuitry can balance the working condition of each battery core, enables more
Complete well charge and discharge process, extend battery core service life simultaneously.
A third aspect of the present invention provides a kind of mobile terminal, the quick charge providing including any of the above-described technical scheme
Control system.
A fourth aspect of the present invention provides a kind of many battery cores battery, quickly fills including what any of the above-described technical scheme provided
Electric control system.
By technical scheme, can neatly change the connection in series-parallel relation between multiple battery cores, using conversion
The mode of series and parallel relation between battery, is greatly improved voltage during charging, the charging rate of high capacity cell will be substantially improved,
Reduce the charging interval, be that user brings good experience.
Brief description
Fig. 1 shows the control method for quickly charging flow chart of embodiment according to a first aspect of the present invention.
Fig. 2 shows the quick charge control system block diagram of embodiment according to a second aspect of the present invention.
Fig. 3 shows the mobile terminal block diagram of embodiment according to a third aspect of the present invention.
Fig. 4 shows many battery cores battery block diagram of embodiment according to a fourth aspect of the present invention.
Fig. 5 shows many battery cores battery structure schematic diagram according to embodiments of the present invention.
Fig. 6 shows three battery core battery structure schematic diagrams according to embodiments of the present invention.
Fig. 7 shows three battery core cell parallel view according to embodiments of the present invention.
Fig. 8 shows three battery core battery series connection view according to embodiments of the present invention.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specifically real
Mode of applying is further described in detail to the present invention.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of details in the following description in order to fully understand the present invention, but, the present invention can also
Enough to be implemented different from other modes described here using other, therefore, protection scope of the present invention is not described below
Specific embodiment restriction.
Fig. 1 shows the control method for quickly charging flow chart of embodiment according to a first aspect of the present invention.
As shown in figure 1, a first aspect of the present invention embodiment proposes a kind of control method for quickly charging, including：Step
102, parallel circuit is set between the multiple battery cores in many battery cores battery；Step 104, coupled switch electricity in parallel circuit
Road, forms series-parallel transition circuit, wherein, on-off circuit has multiple electrical switches；Step 106, by series-parallel transition circuit
Connect the external interface of at most battery core battery；Step 108, external interface receives charging current, by multiple electrical switches
Parallel circuit is converted into series circuit and is charged by off operating mode change.
The control method for quickly charging of embodiment according to a first aspect of the present invention, step 102, formed many using multiple battery cores
Battery core battery, step 104, multiple battery core parallel circuits arrange on-off circuit, on-off circuit couples formation with parallel circuit
Series-parallel transition circuit, can switch connection in series-parallel state according to the service condition of battery, step 106, by external interface at any time
Receive charging current or power for load circuit, wherein, by multiple electricity in the case of outside interface to charging current
Parallel connection between core is converted to series connection, to adapt to the charging process of higher voltage, carries out quick charge.Additionally, step
About the transformation process of connection in series-parallel state in rapid 108, the voltage swing information that can not only be electrically charged electric current carries out electricity triggering,
Mechanical switch can be set, touch mechanical switch when external interface is inserted into charger charging head, parallel discharge is multiple
Battery core is converted to series connection and is charged.By this scheme, can neatly change the connection in series-parallel relation between multiple battery cores,
By the way of converting series and parallel relation between battery, during charging voltage is greatly improved, the filling of high capacity cell will be substantially improved
Electric speed, reduces the charging interval, is that user brings good experience.
The control method for quickly charging of embodiment is it is preferable that also include according to a first aspect of the present invention：Charging end
Afterwards, changed by the on off operating mode of multiple electrical switches and series circuit is converted to parallel circuit, so that discharge process uses.
In this embodiment, serial connection charge can utilize the charger of larger voltage to lift charging rate, but in electric discharge
During be accomplished by according to loading condition adjust connection status, by on-off circuit, serial connection charge state is turned in discharge process
It is changed to the state of parallel discharge, adapt to the working environment of load.
The control method for quickly charging of embodiment is it is preferable that on-off circuit includes conductive Jie according to a first aspect of the present invention
One of matter, magnetic switch, relay, diode, audion, transistor, field effect transistor, electric capacity, inductance and resistance or many
Kind.
In this embodiment, on-off circuit by conducting medium (wire), magnetic switch, relay, diode, audion,
One or more of transistor, field effect transistor, electric capacity, inductance and resistance form, and for example, connect multiple micro electrics by wire
Electric relay, arranges multiple resistance according to real needs, inductance carries out impedance matching simultaneously, is configured to adjust circuit connection in series-parallel
The on-off circuit of relation.Or make on-off circuit, electricity using miniature electromagnetic switch cooperation audion, transistor and field effect transistor
Hold, inductance and resistance constitute protection circuit by conducting medium, composition meets the on-off circuit changed the mechanism.Using diversified
The different types of on-off circuit of electronic element configuration, disclosure satisfy that and more use scene.
The control method for quickly charging of embodiment is it is preferable that also include according to a first aspect of the present invention：Setting voltage detecting
Circuit connects to the external interface of multi cell battery, and voltage detecting circuit, according to the magnitude of voltage of charging current, controls multiple electronic cuttings
The on off operating mode closing.
In this embodiment, realize more accurately connection in series-parallel by way of voltage detecting circuit (element) is set and switch plan
Slightly.Additionally, the method by arranging voltage detecting circuit (element), the change in voltage of charge and discharge process is detected, in inspection
Measure trigger switch circuit in the case of charging voltage reaches the requirement of charged in parallel and automatically switch to series model, put detecting
In electric process, when battery core voltage is relatively low, changes a part of parallel circuit, the relatively low battery core of superimposed voltage, obtain higher electric discharge
Voltage, for powering load.
The control method for quickly charging of embodiment is it is preferable that also include according to a first aspect of the present invention：In series-parallel conversion
Balancing circuitry is set in circuit, in order to balance the charging process controlling each battery core.
In this embodiment, during due to charge or discharge, the impedance meeting slightly difference of each battery core, have influence on each
The service life of battery core and performance, setting balancing circuitry can balance the working condition of each battery core, enables more preferably
Complete charge and discharge process, simultaneously extend battery core service life.
Fig. 2 shows the quick charge control system block diagram of embodiment according to a second aspect of the present invention.
As shown in Fig. 2 a second aspect of the present invention provides a kind of quick charge control system 200, including：Parallel circuit
206, for being connected in parallel between the multiple battery cores in many battery cores battery；Change-over circuit 204, couples in parallel circuit 206
On-off circuit 2042, forms series-parallel transition circuit 208, wherein, on-off circuit 2042 has multiple electrical switches；External interface
202, connect to change-over circuit 204, external interface 202 is used for receiving the charging current of charger or by multiple battery cores to outside
Circuit is powered；Charhing unit 212, external interface 202 receives charging current, by the on off operating mode of multiple electrical switches
Parallel circuit 206 is converted into series circuit and is charged by change.
Quick charge control system 200 according to a second aspect of the present invention, forms many battery cores battery using multiple battery cores, and
On-off circuit 2042 is set in multiple battery core parallel circuits 206, and on-off circuit 2042 couples formation string simultaneously with parallel circuit 206
Connection change-over circuit 208, can switch connection in series-parallel state at any time according to the service condition of battery, received by external interface 202 and fill
Electric current or power for load circuit, wherein, in the case that external interface 202 receives charging current by multiple battery cores it
Between parallel connection be converted to series connection, to adapt to the charging process of higher voltage, carry out quick charge.Additionally, relevant string
The transformation process of parallel connection, the voltage swing information that can not only be electrically charged electric current carries out electricity triggering it is also possible to setting is mechanical
Switch, touches mechanical switch when external interface 202 is inserted into charger charging head, multiple battery cores of parallel discharge is converted to
Series connection is charged.By this scheme, can neatly change the connection in series-parallel relation between multiple battery cores, using conversion electricity
The mode of series and parallel relation between Chi Xin, is greatly improved voltage during charging, the charging rate of high capacity cell will be substantially improved, and subtract
In few charging interval, be that user brings good experience.
Quick charge control system 200 according to a second aspect of the present invention is it is preferable that also include：Discharge cell 210, uses
After terminating in charging, changed by the on off operating mode of multiple electrical switches and series circuit is converted to parallel circuit 206, with
Use for discharge process.
In this embodiment, serial connection charge can utilize the charger of larger voltage to lift charging rate, but in electric discharge
During be accomplished by adjusting connection status according to loading condition, discharge process passes through on-off circuit 2042 by serial connection charge shape
State is converted to the state of parallel discharge, adapts to the working environment of load.
Quick charge control system 200 according to a second aspect of the present invention is it is preferable that on-off circuit 2042 includes：Conductive
One of medium, magnetic switch, relay, diode, audion, transistor, field effect transistor, electric capacity, inductance and resistance or
Multiple.
In this embodiment, on-off circuit 2042 is by conducting medium (wire), magnetic switch, relay, diode, three poles
One or more of pipe, transistor, field effect transistor, electric capacity, inductance and resistance form, and for example, are connected multiple micro- by wire
Type electronic relay, arranges multiple resistance according to real needs, inductance carries out impedance matching simultaneously, is configured to adjust circuit string
The on-off circuit 2042 of parallel relationship.Or make and open using miniature electromagnetic switch cooperation audion, transistor and field effect transistor
Close circuit 2042, electric capacity, inductance and resistance constitute protection circuit by conducting medium, composition meets the on-off circuit changed the mechanism
2042.Using the different types of on-off circuit of diversified electronic element configuration 2042, disclosure satisfy that and more use scene.
Quick charge control system 200 according to a second aspect of the present invention is it is preferable that also include：Voltage detecting circuit
214, connect to the external interface 202 of multi cell battery, voltage detecting circuit 214, according to the magnitude of voltage of charging current, controls multiple
The on off operating mode of electrical switch.
In this embodiment, realize more accurately connection in series-parallel by way of arranging voltage detecting circuit 214 (element) to cut
Change strategy.Additionally, the method by arranging voltage detecting circuit 214 (element), the change in voltage of charge and discharge process is examined
Survey, in the case of requirement charging voltage is detected and reaching charged in parallel, trigger switch circuit 2042 automatically switches to series connection mould
Formula, in discharge process is detected, when battery core voltage is relatively low, changes a part of parallel circuit 206, the relatively low electricity of superimposed voltage
Core, obtains higher discharge voltage, for powering load.
Quick charge control system 200 according to a second aspect of the present invention is it is preferable that also include：Balancing circuitry 216, uses
To balance the charging process controlling each battery core.
In this embodiment, during due to charge or discharge, the impedance meeting slightly difference of each battery core, have influence on each
The service life of battery core and performance, setting balancing circuitry 216 can balance the working condition of each battery core, enables more
Complete well charge and discharge process, extend battery core service life simultaneously.
Fig. 3 shows the mobile terminal block diagram of embodiment according to a third aspect of the present invention.
As shown in figure 3, the terminal 300 that third aspect present invention embodiment provides, including quick charge control as shown in Figure 2
System 200 processed.The mobile terminal 300 of embodiment according to a third aspect of the present invention, forms many battery cores battery using multiple battery cores, and
On-off circuit is set in multiple battery core parallel circuits, and on-off circuit couples formation series-parallel transition circuit, energy with parallel circuit
Enough connection in series-parallel state is switched at any time according to the service condition of battery, charging current received by external interface or be load circuit
Parallel connection between multiple battery cores wherein, is converted to series connection in the case of outside interface to charging current by power supply
State, to adapt to the charging process of higher voltage, carries out quick charge.Additionally, about the transformation process of connection in series-parallel state, not only
The voltage swing information that electric current can be electrically charged carries out electricity triggering it is also possible to setting mechanical switch, is inserted in external interface and fills
Touch mechanical switch during electrical equipment charging head, multiple battery cores of parallel discharge are converted to series connection and are charged.By this side
Case, can neatly change the connection in series-parallel relation between multiple battery cores, by the way of converting series and parallel relation between battery,
During charging voltage is greatly improved, the charging rate of high capacity cell will be substantially improved, reduce the charging interval, be that user brings well
Experience.
Fig. 4 shows many battery cores battery block diagram of embodiment according to a fourth aspect of the present invention.
As shown in figure 3, many battery cores battery 400 that fourth aspect present invention embodiment provides, including as shown in Figure 2 quick
Charge control system 200.Many battery cores battery 400 of embodiment according to a fourth aspect of the present invention, how electric using multiple battery cores composition
Core battery, and on-off circuit is set in multiple battery core parallel circuits, on-off circuit is coupled formation connection in series-parallel and turns with parallel circuit
Change circuit, connection in series-parallel state can be switched at any time according to the service condition of battery, by external interface receive charging current or
Power for load circuit, wherein, by the parallel connection between multiple battery cores in the case of outside interface to charging current
Be converted to series connection, to adapt to the charging process of higher voltage, carry out quick charge.Additionally, relevant connection in series-parallel state turn
Change process, the voltage swing information that can not only be electrically charged electric current carries out electricity triggering it is also possible to setting mechanical switch, connects in outside
Mouth is inserted into shake-up mechanical switch during charger charging head, multiple battery cores of parallel discharge is converted to series connection and is filled
Electricity.By this scheme, can neatly change the connection in series-parallel relation between multiple battery cores, using conversion battery between series and parallel
The mode of relation, is greatly improved voltage during charging, and the charging rate of high capacity cell will be substantially improved, and reduces the charging interval, is
User brings good experience.
Fig. 5 to Fig. 8 shows the according to embodiments of the present invention situation that is embodied as, wherein：
As shown in figure 5, the present invention adopts the many battery method improving capacity in parallel, and by the connected mode between battery
By on-off circuit control.In this embodiment, main battery core 502, secondary cell core 504 and secondary cell core 506 and can extend
The multiple battery cores going out, are switched on and off circuit 500 and control connection in series-parallel situation, and external interface 508 is responsible for receiving charging current or outwards
Power supply.
As shown in fig. 6, the concrete structure in the case of three battery cores, have 4 switches, when switch 1, switch 3 are connected top and touched
Point, Simultaneous Switching 2, switch 4 connection, then be connected mode in parallel between battery, actual annexation is such as Fig. 7.Work as switch
1st, bottom contacts connected by switch 3, and Simultaneous Switching 2, switch 4 disconnection, then be the connected mode of series connection between battery, and reality connects closes
System is such as Fig. 8.
As shown in fig. 7, when powering for mobile phone, between battery by the way of parallel connection, being attached.Output voltage and list
Core voltage is consistent, meets mobile phone power demands.
As shown in figure 8, when charger is powered for mobile phone, battery is switched to by string by on-off circuit taking 3 cores as a example
Gang mould formula, is charged (n is battery quantity) such that it is able to the power supply using n times of nominal charging voltage.
Technical scheme is described in detail above in association with accompanying drawing, by technical scheme, can be flexible
Ground changes the connection in series-parallel relation between multiple battery cores, by the way of converting series and parallel relation between battery, charging is greatly improved
When voltage, the charging rate of high capacity cell will be substantially improved, reduce the charging interval, be that user brings good experience.
Step in present invention method can carry out order according to actual needs and adjust, merges and delete, this
Unit in bright embodiment device and terminal can merge according to actual needs, divides and delete.The foregoing is only this
The preferred embodiment of invention, is not limited to the present invention, for a person skilled in the art, the present invention can have
Various modifications and variations.All any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., all should
It is included within protection scope of the present invention.
Claims (12)
1. a kind of control method for quickly charging, for many battery cores battery it is characterised in that including：
Parallel circuit is set between the multiple battery cores in described many battery cores battery；
Coupled switched circuits in described parallel circuit, form series-parallel transition circuit, wherein, described on-off circuit has multiple
Electrical switch；
Described series-parallel transition circuit is connected to the external interface of described many battery cores battery；
Described external interface receives charging current, is changed described electricity in parallel by the on off operating mode of the plurality of electrical switch
Road is converted into series circuit and is charged.
2. control method for quickly charging according to claim 1 is it is characterised in that also include：
After charging terminates, changed by the on off operating mode of the plurality of electrical switch and described series circuit is converted to electricity in parallel
Road, so that discharge process uses.
3. control method for quickly charging according to claim 1 and 2 is it is characterised in that described on-off circuit includes：Conductive
One of medium, magnetic switch, relay, diode, audion, transistor, field effect transistor, electric capacity, inductance and resistance or
Multiple.
4. control method for quickly charging according to claim 3 is it is characterised in that also include：
Setting voltage detecting circuit connects to the external interface of described multi cell battery, and described voltage detecting circuit is according to described charging
The magnitude of voltage of electric current, controls the on off operating mode of the plurality of electrical switch.
5. control method for quickly charging according to claim 4 is it is characterised in that also include：
Balancing circuitry is set in described series-parallel transition circuit, in order to balance the charging process controlling each battery core.
6. a kind of quick charge control system, for many battery cores battery it is characterised in that including：
Parallel circuit, for being connected in parallel between the multiple battery cores in described many battery cores battery；
Change-over circuit, coupled switched circuits in described parallel circuit, form series-parallel transition circuit, wherein, described switch electricity
Road has multiple electrical switches；
External interface, connects to described change-over circuit, and described external interface is used for receiving the charging current of charger or passes through institute
State multiple battery cores external circuit is powered；
Charhing unit, described external interface receives charging current, and being changed by the on off operating mode of the plurality of electrical switch will
Described parallel circuit is converted into series circuit and is charged.
7. quick charge control system according to claim 6 is it is characterised in that also include：
Discharge cell, after terminating in charging, is changed described series connection by the on off operating mode of the plurality of electrical switch
Circuit conversion is parallel circuit, so that discharge process uses.
8. the quick charge control system according to claim 6 or 7 is it is characterised in that described on-off circuit includes：Conductive
One of medium, magnetic switch, relay, diode, audion, transistor, field effect transistor, electric capacity, inductance and resistance or
Multiple.
9. quick charge control system according to claim 8 is it is characterised in that also include：
Voltage detecting circuit, connects to the external interface of described multi cell battery, described voltage detecting circuit is according to the described electricity that charges
The magnitude of voltage of stream, controls the on off operating mode of the plurality of electrical switch.
10. quick charge control system according to claim 9 is it is characterised in that also include：
Balancing circuitry, in order to balance the charging process controlling each battery core.
A kind of 11. many battery cores batteries are it is characterised in that include：Quick charge control as any one of claim 6 to 10
System processed.
A kind of 12. mobile terminals are it is characterised in that include：Quick charge as any one of claim 6 to 10 controls
System.
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| CN201611064139.8A CN106451669A (en) | 2016-11-25 | 2016-11-25 | Rapid charging control method, device, multi-cell battery and mobile terminal |
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| CN201611064139.8A CN106451669A (en) | 2016-11-25 | 2016-11-25 | Rapid charging control method, device, multi-cell battery and mobile terminal |
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| CN112448424A (en) * | 2019-08-29 | 2021-03-05 | 北京小米移动软件有限公司 | Terminal device |
| CN110783653B (en) * | 2019-11-04 | 2022-08-26 | 西安建筑科技大学 | Efficient charging and discharging method adopting segmentation technology |
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| CN110861498A (en) * | 2019-11-29 | 2020-03-06 | 安徽江淮汽车集团股份有限公司 | High-voltage charging circuit, method and device for electric automobile and electronic product |
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