CN107732991A - Terminal charge control method, device and terminal - Google Patents

Terminal charge control method, device and terminal Download PDF

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Publication number
CN107732991A
CN107732991A CN201610659438.XA CN201610659438A CN107732991A CN 107732991 A CN107732991 A CN 107732991A CN 201610659438 A CN201610659438 A CN 201610659438A CN 107732991 A CN107732991 A CN 107732991A
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CN
China
Prior art keywords
battery
charged
terminal
power supply
supplying cell
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Withdrawn
Application number
CN201610659438.XA
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Chinese (zh)
Inventor
张亚森
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ZTE Corp
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ZTE Corp
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Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201610659438.XA priority Critical patent/CN107732991A/en
Priority to PCT/CN2017/089803 priority patent/WO2018028316A1/en
Publication of CN107732991A publication Critical patent/CN107732991A/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014Circuits for equalisation of charge between batteries
    • H02J7/0016Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The embodiment of the present invention provides a kind of terminal charge control method, device and terminal, by setting multiple batteries with charge function in the terminal, different batteries is selected when being charged respectively as current battery and supplying cell to be charged, other supplying cell is used to be powered for terminal system while charging to current battery to be charged, avoid the problem of current battery to be charged needs to power for terminal system while charging, naturally also avoid the noise or clutter that charge to current battery to be charged passing through the problem of introducing terminal system of powering, improve the reliability and stability of terminal system, it ensure that the safety of terminal, improve Consumer's Experience.

Description

Terminal charge control method, device and terminal
Technical field
The present invention relates to electronic applications, more particularly to terminal charge control method, device and terminal.
Background technology
In the development course of mobile terminal, the concept of " reserve battery ", reserve battery in very long one period all be present Be for one piece of mobile terminal configuration can external charging battery, its main purpose is in order to which extend mobile terminal uses duration. But with the development of mobile terminal power supply, have been able to save enough electric energy in the battery of small volume, thus rear Reserve battery in continuous evolution because it is inconvenient to carry the problems such as gradually eliminated, now universal in the terminal is all to use One piece of battery is system power supply.
The problem of reserve battery is inconvenient to carry is can solve the problem that although configuring one piece of battery on mobile terminals and being powered, It is that this also brings the problem of new:When reserve battery be present, the charging process of mobile terminal can be completed outside mobile terminal, Battery is installed to non-system power supply in mobile terminal again after charging complete, the noise in such charging process with clutter not The system for influencing whether mobile terminal.But when mobile terminal only configures one piece of battery, the battery charging while also not Not undertake responsibility for system power supply, therefore noise on power supply adaptor, charging chip, charge path and clutter are being superimposed After can be introduced in mobile terminal system, so as to influence the reliability and stability of system.
Although existing mobile terminal can directly be system power supply by externally fed power supply when low battery, Guarantee system is in running status, but because externally fed power supply may have unstable, such as externally fed The negative sense surge or the situation of instantaneous high pressure that Power supply belt comes, the stability of system can be greatly influenceed, threatens mobile terminal Safety.By externally fed power supply directly it is mobile terminal system in charging process so in the case of only one piece of battery Long-term power supply should avoid as far as possible nor a good way.
To sum up, need badly now and propose a kind of terminal charge control program, to solve only to set one block of electricity in the prior art Pond powers for mobile terminal, and charging by power supply by the noise of charging during power supply with being easily incorporated into mobile terminal system at the same time In, have influence on the reliability and stability of mobile terminal system.
The content of the invention
Terminal charge control program provided in an embodiment of the present invention, mainly solving the technical problems that:Solves prior art In only set one piece of battery to be powered for terminal, charging is with being easily incorporated into by powering by the noise of charging during power supply and being at the same time In system, the problem of influenceing the reliability and stability of system.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of terminal charge control method, including:
From N number of battery with charge function of terminal, the current battery for meeting charge condition of selection, which is used as, currently to be treated Rechargeable battery, the battery number M to be charged selected is more than or equal to 1, less than or equal to N, and selects K battery as current power supply Battery, the supplying cell are different from the battery to be charged;N is more than or equal to 2, K and is more than or equal to 0;
Presently described battery to be charged is charged, is what charging process broke the battery to be charged and terminal Electrical connection between system power supply interface, and when K is more than 0, it is terminal to connect the supplying cell selected and system power supply interface Power supply.
The embodiment of the present invention also provides a kind of terminal charge control device, including:
Selecting module, for from N number of battery with charge function of terminal, selection currently to meet the electricity of charge condition As current battery to be charged, the battery number M to be charged selected is more than or equal to 1, less than or equal to N, and selects K battery in pond As current supplying cell, the supplying cell is different from the battery to be charged;N is more than or equal to 2, K and is more than or equal to 0;
Control module, for being charged to presently described battery to be charged, broken in charging process described to be charged Electrical connection between battery and the system power supply interface of terminal, and when the K is more than 0, connect the supplying cell selected with System power supply interface is powered for terminal.
The embodiment of the present invention also provides a kind of terminal, including N number of battery with charge function, system power supply interface and control Device processed;Each battery has the charging paths being connected with externally fed power supply and the power supply being connected with the system power supply interface Branch road;It is separately provided for controlling the first switch of the branch road break-make in each charging paths and each power supply branch road Unit;
The controller is used to select the current battery for meeting charge condition from each battery as current to be charged Battery, the battery number M to be charged selected is more than or equal to 1, less than or equal to N, and selects K battery as current power supply electricity Pond, the supplying cell are different from the battery to be charged;N is more than or equal to 2, M more than waiting 1, is more than or equal to 0 less than or equal to N, K;
The controller turns on the charging paths of the battery to be charged by first switch unit corresponding to control, disconnects The power supply branch road of the battery to be charged, and when the K is more than 0, the power supply branch road for the supplying cell selected is turned on, Disconnect the charging paths of the supplying cell.
The embodiment of the present invention also provides a kind of computer-readable storage medium, and computer is stored with the computer-readable storage medium Executable instruction, the computer executable instructions are used for the terminal charge control method for performing foregoing any one.
The beneficial effects of the invention are as follows:
Terminal charge control method, device, terminal and the computer-readable storage medium provided according to embodiments of the present invention, lead to Cross and multiple batteries with charge function be set in the terminal, selected when being charged different batteries respectively as work as Preceding battery to be charged and supplying cell, other supplying cell is used as terminal while charging to current battery to be charged System power supply, the problem of current battery to be charged needs to power for terminal system while charging is avoided, is naturally also just kept away The noise or clutter for having exempted to charge to current battery to be charged are improved by the problem of introducing terminal system of powering The reliability and stability of terminal system, the safety of terminal is ensure that, improves Consumer's Experience.
Brief description of the drawings
Fig. 1 is a kind of flow chart for the terminal charge control method that the embodiment of the present invention one provides;
Fig. 2 is a kind of structural representation for the terminal charge control device that the embodiment of the present invention two provides;
Fig. 3 is another structural representation for the terminal charge control method that the embodiment of the present invention two provides;
Fig. 4 is a kind of hardware architecture diagram of battery in the embodiment of the present invention three;
Fig. 5 is a kind of hardware architecture diagram of the terminal provided in the embodiment of the present invention three;
Fig. 6 is another hardware architecture diagram of the terminal provided in the embodiment of the present invention three;
Fig. 7 is another hardware architecture diagram of the terminal provided in the embodiment of the present invention three;
Fig. 8 is a kind of system block diagram for the smart mobile phone charging control circuit that the embodiment of the present invention four provides;
Fig. 9 is a kind of flow chart for the smart mobile phone charging that the embodiment of the present invention four provides.
Figure 10 is a kind of flow chart for the smart mobile phone charging monitoring that the embodiment of the present invention four provides.
Embodiment
The embodiment of the present invention is described in further detail below by embodiment combination accompanying drawing.
Embodiment one:
In order to solve to be only that terminal will easily charge noise when setting and charge caused by one piece of battery in the prior art Terminal system, the problem of influenceing terminal system reliability and stability are introduced, the present embodiment provides a kind of terminal charge controlling party Method, this method can be run by terminal charge control device, refer to Fig. 1:
S102, terminal charge control device select current battery to be charged and current supplying cell from end cell.
Because problem of the prior art is only to be provided with one piece of battery, therefore this block battery is while being charged Terminal system is powered, to ensure that terminal system is in running status.Which results in two processes of charging and power supply are mutual Association, the noise of charged side, clutter etc. are easily introduced into terminal system when power supply, so as to be impacted to terminal system. No matter the noise or clutter of charged side spend caused by mainly due to power supply adaptor, charging chip and charge path Great cost improves power supply adaptor, charging chip and charge path to design, the noise and clutter that these three devices are brought It can not prevent.And the charging of existing battery can not depart from these three devices and individually carry out, that is to say, that at present can not also be from making an uproar Sound source head prevents noise.Therefore, in order to avoid these noises or clutter are introduced into system, can only try charging and power supply two Individual process is separated.
, in the prior art can be by outer in the scene that system operation can not be ensured although extremely low in terminal battery electricity quantity Portion's power supply is directly powered for terminal system, and at this time, two processes of the power supply of terminal system and battery charging are separation. But because externally fed power supply is unstable, the security of terminal system can be caused greatly to negatively affect, such as outside confession Caused negative sense surge may result in terminal system power down when power supply is powered, and instantaneous high pressure can even allow terminal to produce Irreversible infringement, therefore do not apply to externally fed power supply in the case where that can avoid directly being powered by externally fed power supply and supply Electricity into industry common recognition, so, prior art can only suffer from the premise of Terminal security is ensured battery charge to The noise that system is brought.
The terminal charge control method that the present embodiment provides is applied to the terminal with polylith battery, currently assumes that terminal has There is N number of battery, N is more than or equal to 2 naturally, and this N number of battery is all the battery for having charge function, and common rechargeable battery includes Lithium battery and Ni-MH battery.This N number of battery can all be lithium battery or Ni-MH battery or lithium battery and Ni-MH battery It is combined and is formed with arbitrary accounting.While charging, typically have power supply and powered for terminal system, ensure system Normal operation.Therefore the supplying cell for currently powering and current electricity to be charged typically can be first selected before formal charging Pond.
Selecting to be carried out according to charge condition when rechargeable battery, charge condition is pre-set, such as:Current electric quantity M minimum battery, it is to be understood that M is more than 0.Or charge condition can also be the electricity that electricity is less than predetermined threshold value Pond.It is different in the selection mechanism of above two charge condition, the first is the developer or use by terminal system Family pre-sets selection number, then the number for the battery to be charged that final choice goes out is certain.And second is to pre-set Turn into the condition of battery to be charged, the number of the battery to be charged chosen is indefinite.
When terminal charge control device selects current supplying cell, it can be selected from the N number of battery to be charged of terminal Going out wherein magnitude of voltage can power more than the battery of the first predetermined threshold value as supplying cell, the first predetermined threshold value for terminal Minimum voltage, that is to say, that the first predetermined threshold value characterizes the battery and is in low battery state.
In addition, if terminal charge control device is terminal terminal itself in the present embodiment, then is implementing this method When, terminal system may need to be in running status, that is to say, that needs are provided with electricity before supplying cell is selected Source brings into operation for terminal system, therefore, existing mode can be used, makes externally fed power supply of short duration and is supplied for terminal system Electricity;One temporary batteries, such as replaceable button cell can also be set in terminal inner.Temporary batteries usually without using, Only it is determined that terminal needs to charge, powered in a period of determining supplying cell to terminal for terminal system.Described in the present embodiment System be in running status and do not imply that open state, refer to that terminal system controls some states of a process, but be in now Now the interface to user may be still off-mode.
S104, terminal charge control device charge to current battery to be charged, while the supplying cell by selecting Powered for terminal system.
Number by the first predetermined threshold value alternatively supplying cell that factor chooses is K, and K is more than or equal to 0, works as K When more than 0, symbolize currently directly can have the battery of charge function to be powered for terminal by terminal, ensure system fortune OK.At this moment the power supply of terminal can be switched to supplying cell, if be before by externally fed power supply directly and terminal The power supply interface connection of system, then the electrical connection between system power supply interface and externally fed power supply can be now disconnected, and By the supplying cell selected and system power supply orifice.If the magnitude of voltage of all batteries of terminal is below the first default threshold Value, then it can not currently select supplying cell and be powered for terminal system, be i.e. K is equal to 0, in this case in current battery to be charged Charge capacity is powered more than being remained unchanged before the first predetermined threshold value using externally fed power supply either terminal temporary batteries.
Because terminal is during charging, the battery to be charged either in charged state is in the confession of power supply state Battery, its electricity are all changing, when it is this change to up to a certain degree when, the battery just be not suitable for does electricity to be charged again Pond or supplying cell.For example, before battery charging complete to be charged, the magnitude of voltage of supplying cell is pre- already below first If threshold value, terminal power supply can not be continued as, if being changed without supplying cell, terminal system point can not continue to run with, so to the greatest extent The charging of pipe now battery to be charged is not completed, as long as but the voltage of battery to be charged be higher than the first predetermined threshold value, then answer When current battery to be charged switched into supplying cell, and current supplying cell should also be as being switched to battery to be charged being filled Electricity.In addition, if the electricity sustainable growth of current battery to be charged, but the voltage of supplying cell is always in the first predetermined threshold value On, then after current battery charging complete to be charged, it should also current battery to be charged is switched into supplying cell, will Current supplying cell switches to battery to be charged.So in order to allow feelings of the terminal charge control device according to each battery electric quantity Condition makes instant switching action, then the terminal charge control method that the present embodiment provides should also include the electricity to end cell Pressure is monitored.
Monitoring object includes current supplying cell and current battery to be charged, the no strict sequential order of monitoring for both Limitation, more more common way are that terminal charge control device is just when selecting battery to be charged with supplying cell The voltage of current battery to be charged and current supplying cell is monitored respectively:
When the voltage for finding supplying cell meets the first default switching condition, characterize current supplying cell be no longer appropriate for for Terminal is powered, then should disconnect the electrical connection between these first preparatory condition supplying cells of satisfaction and system power supply interface.
In the case of current supplying cell is no longer appropriate for power supply, terminal charge control device can be from current electricity to be charged Supplying cell is reselected in pond to power for terminal.First default switching condition can be that the magnitude of voltage of supplying cell is less than or equal to Characterize the first low predetermined threshold value of electricity.If the magnitude of voltage of current battery to be charged also meets the first preparatory condition, illustrate Current battery to be charged is also not suitable for powering, and at this time, terminal charge control device can also be from current neither electricity to be charged Pond, and be not that supplying cell is selected in those batteries of supplying cell, or terminal can be continued as using externally fed power supply Power supply, supplied until the electricity of current battery to be charged switches to again when being higher than the first predetermined threshold value by current battery to be charged Electricity.
When terminal charge control device monitors that the voltage of current battery to be charged meets the second default switching condition, then The battery to be charged for meeting the second default switching condition is switched into supplying cell, and it is electric from N-M not charged currently Battery to be charged is reselected in pond.Second default switching condition can be that the magnitude of voltage of current battery to be charged is more than or equal to the Two predetermined threshold values, the second predetermined threshold value characterize current battery charging complete to be charged.Charged although the second predetermined threshold value characterizes Into but it is not intended that the electricity of terminal is 100%, because the second predetermined threshold value can be opened by developer in setting Send out that terminal is set or set by User Defined, such as developer or user artificially set the battery electric Amount is more than 96% and just characterizes charging complete, although battery now can also continue to charge, in the present embodiment, when to be charged Can is switched to supplying cell, and the weight from the battery of current charging unfinished when the electricity of battery is more than 96% Newly select battery to be charged.The scope of selection can be current supplying cell or current neither battery to be charged Nor those batteries of supplying cell.
Terminal charge control method provided in an embodiment of the present invention, pass through the battery to be charged to the unified moment and power supply electricity Pond makes a distinction, and the battery need not power for terminal simultaneously when ensureing to charge to one piece of battery, therefore avoid By the noise or clutter that are charged to current battery to be charged by the problem of introducing terminal system of powering, terminal is improved The reliability and stability of system, the safety of terminal is ensure that, improves Consumer's Experience.
In addition, the terminal charge control method that the present embodiment provides can be also monitored to the voltage of current supplying cell, If it find that when the magnitude of voltage of current supplying cell meets the first default switching condition, supplying cell can be reselected, is being worked as Preceding supplying cell not enough power supply, when power supply can not be continued, supplying cell guarantee can be used as eventually by switching other batteries End system continues to run with.
Meanwhile the terminal charge control method that the present embodiment provides can also supervise to the magnitude of voltage of current battery to be charged Survey, being immediately switched to other batteries of position after current battery charging complete to be charged is found is charged, and is avoided wasting and is charged Time, improve charge efficiency.
Embodiment two:
The present embodiment provides a kind of terminal charge control device, and the device can be used for performing the terminal that embodiment one provides Charge control method.The advantages of terminal charge control device of the present embodiment offer is well understood for those skilled in the art And details, it is described in detail below in conjunction with Fig. 2:
Terminal charge control device 20 includes selecting module 202 and control module 204.Selecting module 202 is used for from terminal Current battery to be charged and current supplying cell are selected in battery.Control module 204 is used to fill current battery to be charged Electricity, while the supplying cell that control selections go out is powered for terminal system.
Because problem of the prior art is only to be provided with one piece of battery, therefore this block battery is while being charged Terminal system is powered, to ensure that terminal system is in running status.Which results in two processes of charging and power supply are mutual Association, the noise of charged side, clutter etc. are easily introduced into terminal system when power supply, so as to be impacted to terminal system. No matter the noise or clutter of charged side spend caused by mainly due to power supply adaptor, charging chip and charge path Great cost improves power supply adaptor, charging chip and charge path to design, the noise and clutter that these three devices are brought It can not prevent.And the charging of existing battery can not depart from these three devices and individually carry out, that is to say, that at present can not also be from making an uproar Sound source head prevents noise.Therefore, in order to avoid these noises or clutter are introduced into system, can only try charging and power supply two Individual process is separated.
, in the prior art can be by outer in the scene that system operation can not be ensured although extremely low in terminal battery electricity quantity Portion's power supply is directly powered for terminal system, and at this time, two processes of the power supply of terminal system and battery charging are separation. But because externally fed power supply is unstable, the security of terminal system can be caused greatly to negatively affect, such as outside confession Caused negative sense surge may result in terminal system power down when power supply is powered, and instantaneous high pressure can even allow terminal to produce Irreversible infringement, therefore do not apply to externally fed power supply in the case where that can avoid directly being powered by externally fed power supply and supply Electricity into industry common recognition, so, prior art can only suffer from the premise of Terminal security is ensured battery charge to The noise that system is brought.
The terminal charge control device 20 that the present embodiment provides is applied to the terminal with polylith battery, currently assumes terminal With N number of battery, N is more than or equal to 2 naturally, and this N number of battery is all the battery for having charge function, common rechargeable battery pack Include lithium battery and Ni-MH battery.This N number of battery can all be lithium battery or Ni-MH battery or lithium battery and ni-mh electricity Pond is combined with arbitrary accounting and formed.While charging, typically have power supply and powered for terminal system, ensure system System normal operation.Therefore before formal charging, selecting module 202 typically can first select the supplying cell for currently powering With current battery to be charged.
Selecting module 202 is selected to be carried out according to charge condition when rechargeable battery, and charge condition is pre-set, example Such as:M minimum battery of current electric quantity, it is to be understood that M is more than 0.Or charge condition can also be that electricity is less than in advance If the battery of threshold value.It is different in the selection mechanism of above two charge condition, the first is the exploit person by terminal system Member either user pre-sets selection number, then the number for the battery to be charged that final choice goes out is certain.And second It is to pre-set the condition as battery to be charged, the number of the battery to be charged chosen is indefinite.
When selecting module 202 selects current supplying cell, wherein magnitude of voltage can be selected from the N number of battery of terminal More than the first predetermined threshold value battery as supplying cell, the first predetermined threshold value be can be terminal power supply minimum voltage, That is the first predetermined threshold value, which characterizes the battery, is in low battery state.
In addition, if terminal charge control device 20 is deployed in terminal in the present embodiment, then is implementing this method When, terminal system may need to be in running status, that is to say, that needs are provided with power supply before supplying cell is selected Brought into operation for terminal system, therefore, existing mode can be used, make externally fed power supply of short duration and supplied for terminal system Electricity;One temporary batteries, such as replaceable button cell can also be set in terminal inner.Temporary batteries usually without using, Only it is determined that terminal needs to charge, powered in a period of determining supplying cell to terminal for terminal system.Described in the present embodiment System be in running status and do not imply that open state, refer to that terminal system controls some states of a process, but be in now Now the interface to user may be still off-mode.
Number by the first predetermined threshold value alternatively supplying cell that factor chooses is K, and K is more than or equal to 0, works as K When more than 0, symbolize currently directly can have the battery of charge function to be powered for terminal by terminal, ensure system fortune OK.At this moment the power supply of terminal can be switched to supplying cell by control module 204.If it is by externally fed power supply before Directly it is connected with the power supply interface of terminal system, then now control module 204 can disconnect system power supply interface and be supplied with outside Electrical connection between power supply, and by the supplying cell selected and system power supply orifice.If all batteries of terminal Magnitude of voltage is below the first predetermined threshold value, then can not currently select supplying cell and be powered for terminal system, be i.e. K is this equal to 0 In the case of before current battery charge to be charged is more than the first predetermined threshold value still using externally fed power supply either Terminal temporary batteries are powered.
Because terminal is during charging, the battery to be charged either in charged state is in the confession of power supply state Battery, its electricity are all changing, when it is this change to up to a certain degree when, the battery just be not suitable for does electricity to be charged again Pond or supplying cell.For example, before battery charging complete to be charged, the magnitude of voltage of supplying cell is pre- already below first If threshold value, terminal power supply can not be continued as, if being changed without supplying cell, terminal system point can not continue to run with, so to the greatest extent The charging of pipe now battery to be charged is not completed, as long as but the voltage of battery to be charged be higher than the first predetermined threshold value, then answer When current battery to be charged switched into supplying cell, and current supplying cell should also be as being switched to battery to be charged being filled Electricity.In addition, if the electricity sustainable growth of current battery to be charged, but the voltage of supplying cell is always in the first predetermined threshold value On, then after current battery charging complete to be charged, it should also current battery to be charged is switched into supplying cell, will Current supplying cell switches to battery to be charged.So moved to make instant switching according to the situation of each battery electric quantity Make, also provide a kind of terminal charge control device among a kind of example of the present embodiment, refer to Fig. 3, terminal charge control Device 20 is in addition to including selecting module 202, control module 204, in addition to monitoring modular 206.Monitoring modular 206 be used for pair The voltage of end cell is monitored.
The monitoring object of monitoring modular 206 includes current supplying cell and current battery to be charged, the monitoring for both There is no strict sequential order limitation, more more common way is when selecting battery to be charged with supplying cell, to monitor mould Block 206 is just monitored respectively to the voltage of current battery to be charged and current supplying cell:
When monitoring modular 206 finds that the voltage of supplying cell meets the first default switching condition, current power supply electricity is characterized Pond is no longer appropriate for powering for terminal, then should disconnect these and meet between the first preparatory condition supplying cell and system power supply interface Electrical connection.
In the case of current supplying cell is no longer appropriate for power supply, monitoring modular 206 can notify that control module 204 can be with Supplying cell is reselected from current battery to be charged to power for terminal.First default switching condition can be supplying cell Magnitude of voltage is less than or equal to characterize the first low predetermined threshold value of electricity.If the magnitude of voltage of current battery to be charged also meets that first is pre- If condition, then illustrate that current battery to be charged is also not suitable for powering, at this time, control module 204 can also from current neither Battery to be charged, and be not that supplying cell is selected in those batteries of supplying cell, or can use externally fed power supply after Continue and powered for terminal, until the electricity of current battery to be charged switches to by currently waiting to fill again when being higher than the first predetermined threshold value Electric battery powered.
When monitoring modular 206 monitors that the voltage of current battery to be charged meets the second default switching condition, then control Module 204 will meet that the battery to be charged of the second default switching condition switches to supplying cell according to monitoring result, and from current Battery to be charged is reselected in the N-M battery not charged.Second default switching condition can be current electricity to be charged The magnitude of voltage in pond is more than or equal to the second predetermined threshold value, and the second predetermined threshold value characterizes current battery charging complete to be charged.Although the Two predetermined threshold values characterize charging complete, but it is not intended that the electricity of terminal is 100%, because the second predetermined threshold value can be with To set exploitation terminal to set or set by User Defined by developer, for example, developer or User artificially sets battery electric quantity to be more than 96% and just characterizes charging complete, although battery now can also continue to charge, In the present embodiment, can is switched to supplying cell when the electricity of battery to be charged is more than 96%, and from working as Battery to be charged is reselected in the battery of preceding charging unfinished.The scope of selection can be current supplying cell, can also It is current neither battery to be charged is nor those batteries of supplying cell.
The terminal charge control device 20 provided in the present embodiment can be deployed in terminal, wherein, the He of selecting module 202 The function of control module 204 can realize that the internal memory that corresponding computer program is stored in terminal is worked as by computer program In, and by the controller of terminal read among internal memory corresponding to program code realize corresponding function, and monitoring modular 206 Function can then be realized by hardware circuit, provide a kind of example here:Comparison circuit is set as monitoring modular 206, than Reference voltage compared with circuit can be the first predetermined threshold value or the second predetermined threshold value, when a comparison circuit needs to monitor power supply During the voltage of battery, it can select the first predetermined threshold value that reference voltage is set, and if to monitor the electricity of current battery to be charged Pressure, then the reference voltage of corresponding comparison circuit can be arranged to the second predetermined threshold value.When usual, comparator exports low electricity Flat, when it monitors that magnitude of voltage meets first default switching condition either the second default switching condition, it can export height Level handles strategy to controller, controller according to corresponding to determining the output of the comparison circuit received.
Terminal charge control device provided in an embodiment of the present invention, pass through the battery to be charged to the unified moment and power supply electricity Pond makes a distinction, and the battery need not power for terminal simultaneously when ensureing to charge to one piece of battery, therefore avoid By the noise or clutter that are charged to current battery to be charged by the problem of introducing terminal system of powering, terminal is improved The reliability and stability of system, the safety of terminal is ensure that, improves Consumer's Experience.
In addition, the terminal charge control device that the present embodiment provides can be also monitored to the voltage of current supplying cell, If it find that when the magnitude of voltage of current supplying cell meets the first default switching condition, supplying cell can be reselected, is being worked as Preceding supplying cell not enough power supply, when power supply can not be continued, supplying cell guarantee can be used as eventually by switching other batteries End system continues to run with.
Meanwhile the terminal charge control device that the present embodiment provides can also supervise to the magnitude of voltage of current battery to be charged Survey, being immediately switched to other batteries of position after current battery charging complete to be charged is found is charged, and is avoided wasting and is charged Time, improve charge efficiency.
Embodiment three:
The present embodiment provides a kind of terminal, and being provided with polylith in the terminal has the battery of charge function, refer to Fig. 4, Fig. 4 is the hardware architecture diagram of each battery in the present embodiment:Battery 40 has the charging paths being connected with externally fed power supply 41 and it is connected with system power supply interface so as to realize the power supply branch road 42 of power supply.On the road 41 of charging with distinguishing on power supply branch road 42 It is provided with two first switch units 411 and 421.First switch unit 411 and first switch unit 421 are respectively used to control and filled The break-make of electric branch road 41 and power supply branch road 42.
As Fig. 5, Fig. 5 are illustrated that a kind of hardware architecture diagram for the terminal that the present embodiment provides:
Terminal 5 is in addition to including multiple batteries 40, in addition to controller 51, and for being connected as controlling with power supply The power supplies such as device 51, display screen (not shown), audio input output unit (not shown) or communication unit (not shown) processed are System power supply interface 522.It is understood that carrying out macro-management for the ease of the power supply of each device of terminal-pair, terminal is general Or the PMU 52 for including system power supply interface 522 is set, as shown in Figure 6.PMU 52 can control Electric energy and providing is provided under the control of device 51 and operates each element and the appropriate electric power needed for component.
For convenience of description, it is numbered in a manner of herein by each battery 40 by 40A, 40B, 40C ..., this area Technical staff should be appreciated that A, B, C etc. only for distinguishing different battery, can not represent battery composition in itself or The difference of structure.Controller 51 is from the current battery for meeting charge condition of the middle selection of battery 40A, 40B, 40C ... as current Battery to be charged, when selecting rechargeable battery, controller 51 can be carried out according to charge condition, and charge condition is by terminal development Personnel either user pre-sets completion, such as:M minimum battery of selection current electric quantity is set, it is to be understood that M More than 0.Or charge condition can also be the battery that electricity is less than predetermined threshold value.In the selection machine of above two charge condition System is different, and the first is to pre-set selection number, then the number for the battery to be charged that final choice goes out is certain.And Second is to pre-set the condition as battery to be charged, and the number of the battery to be charged chosen is indefinite.
It is pre- more than first also to select wherein magnitude of voltage from N number of battery 40A, 40B, 40C ... for controller 51 simultaneously If the battery of threshold value, as supplying cell, the first predetermined threshold value, which is, to be the minimum voltage of terminal power supply, that is to say, that first Predetermined threshold value characterizes the battery and is in low battery state.It is assumed that the number for the supplying cell that controller 51 is selected is K, then K is big In equal to 0.
Support because the work of controller 51 be unable to do without power supply, therefore just carried before controller 51 selects supplying cell Power supply source brings into operation for terminal system, therefore, a temporary batteries, such as replaceable button electricity can be set in terminal inner Pond etc..Temporary batteries usually without using, only need to charge in monitoring terminal, be in a period of determining supplying cell to terminal eventually End system is powered.Or existing mode is used, make externally fed power supply of short duration and powered for terminal system.In this mode In, terminal 5 also includes an externally fed branch road, and it is used to connect system power supply interface 522 and externally fed power supply, and outside supplies Second switch unit corresponding to being provided with electric branch road, second switch unit are used for the break-make for controlling the externally fed branch road. Under default conditions, second switch unit is in closure state, unless controller 52 has carried out disconnecting control.In addition, this implementation System described in example is in running status and does not imply that open state, refers to that terminal system controls some states of a process, still Off-mode may be still by being now presented to the interface of user.
The number of the first predetermined threshold value alternatively supplying cell that factor chooses is K by controller 51, and K is more than etc. In 0, when K is more than 0, symbolize currently directly can have the battery of charge function to be powered for terminal by terminal, protect Demonstrate,prove system operation.At this moment controller 51 can be closed with the supplying cell power supply branch road upper switch unit that control selections go out, third Second switch unit is disconnected afterwards.If the magnitude of voltage of all batteries of terminal is below the first predetermined threshold value, controller 51 is current Supplying cell can not be selected to power for terminal system, i.e. K is equal to 0, in this case in current battery charge to be charged More than still externally fed power supply is used before the first predetermined threshold value, controller 51 will not turn off second switch list during this period Member.
As shown in fig. 7, terminal 5 including controller 51, multiple batteries (40A, 40B, 40C ...) including system except supplying Beyond the PMU 52 of electrical interface 522, in addition to voltage monitoring unit 53, the monitoring object of voltage monitoring unit 53 include Current supplying cell and current battery to be charged, the no strict sequential order limitation of monitoring for both are more more common Way is when selecting battery to be charged and supplying cell, and voltage monitoring unit 53 is just to current battery to be charged and currently The voltage of supplying cell is monitored respectively.
When voltage monitoring unit 53 finds that the voltage of supplying cell meets the first default switching condition, current power supply is characterized Battery is no longer appropriate for powering for terminal, then voltage monitoring unit 53 should control controller 51 to disconnect the default bar of these satisfactions first Electrical connection between part supplying cell and system power supply interface.
In the case of current supplying cell is no longer appropriate for power supply, controller 51 can also be heavy from current battery to be charged New selection supplying cell is powered for terminal.First default switching condition can be that the magnitude of voltage of supplying cell is less than or equal to characterize electricity Measure the first low predetermined threshold value.If the magnitude of voltage of current battery to be charged also meets the first preparatory condition, illustrate currently to treat Rechargeable battery is also not suitable for powering, and at this time, controller 51 can also be from current neither battery to be charged and be not power supply electricity Supplying cell is selected in those batteries in pond, or terminal power supply can be continued as using externally fed power supply, until currently treating The electricity of rechargeable battery switches to by current battery powered to be charged again when being higher than the first predetermined threshold value.
When voltage monitoring unit 53 monitors that the voltage of current battery to be charged meets the second default switching condition, then lead to Know that controller 51 will meet that the battery to be charged of the second default switching condition switches to supplying cell according to monitoring result, and from working as Battery to be charged is reselected in the preceding N-M battery not charged.Second default switching condition can be current to be charged The magnitude of voltage of battery is more than or equal to the second predetermined threshold value, and the second predetermined threshold value characterizes current battery charging complete to be charged.Although Second predetermined threshold value characterizes charging complete, but it is not intended that the electricity of terminal is 100%, because the second predetermined threshold value can To be to set exploitation terminal to set or set by User Defined by developer, for example, developer or Person user artificially sets battery electric quantity to be more than 96% and just characterizes charging complete, although battery now can also continue to charge, It is that in the present embodiment, can is switched to supplying cell when the electricity of battery to be charged is more than 96%, and from Battery to be charged is reselected in the battery of current charging unfinished.The scope that controller 51 selects can be current power supply electricity Pond or current neither battery to be charged is nor those batteries of supplying cell.
The present embodiment provides a kind of real-time mode of voltage monitoring unit 53:Comparison circuit is set as voltage monitoring unit 53, the reference voltage of comparison circuit can be the first predetermined threshold value or the second predetermined threshold value, when a comparison circuit needs to supervise When surveying the voltage of supplying cell, it can select the first predetermined threshold value that reference voltage is set, and if to monitor current electricity to be charged The voltage in pond, then the reference voltage of corresponding comparison circuit can be arranged to the second predetermined threshold value.When usual, comparator is defeated Go out low level, when it monitors that the magnitude of voltage of battery meets first default switching condition either the second default switching condition, It can export high level and plan is handled according to corresponding to determining the output of the comparison circuit received to controller 51, controller 51 Slightly.
The terminal that the present embodiment provides, by setting multiple batteries, when charging is needed, selected by controller current Battery and supplying cell to be charged, the separation of two processes of battery charging and power supply is realized, avoiding will charging by power supply Noise or clutter introduce system the problem of, ensure that the Stability and dependability of system, meanwhile, in the present embodiment in terminal It is also provided with voltage monitoring unit to monitor the voltage of current battery and supplying cell to be charged in real time, when discovery power supply electricity It can be switched over when pond not enough power supply or battery charging complete to be charged, it is complete to charging process to have reached guarantee system Control and guarantee do not waste the effect in charging interval.
Example IV:
On the basis of embodiment three, the present embodiment is so that terminal is smart mobile phone as an example, to setting two pieces in smart mobile phone The charge condition of battery illustrates, and refer to Fig. 8 and Fig. 9, and Fig. 8 is the charge control electricity for the smart mobile phone that the present embodiment provides A kind of system block diagram on road, Fig. 9 are the flow charts of smart mobile phone charging:
The present embodiment is not belonging to smart mobile phone to power supply adaptor 70, used one when it is only smart mobile phone charging Individual accessory.For the model of power supply adaptor 70, the present embodiment is not particularly limited, using existing general power supply Adapter, certain the present embodiment do not discharge other kinds of power supply adaptor, and as the development of technology, future are logical With power supply adaptor may also from the various power supply adaptors of production and sales are different on the market at present, but those skilled in the art should When it is realized that, these power supply adaptors should also be as covering in the range of the present embodiment.
Charging chip 81 in the present embodiment can use with charge path management IC (Integrated circuit, Integrated circuit), it includes the power supply that can be directly connected with system power supply interface 861 in PMU 86 output and connect Mouthfuls 811 are used for the charging output interface 812 that is connected with battery charging paths, the charging chip 81 with charge path management with one When can ensure that intelligent mobile phone battery is in feed condition, after it is connected with externally fed power supply, intelligent mobile phone system can be with Start.
Battery pack 82 includes two pieces of batteries, is the first battery 821 and the second battery 822 respectively, the first battery here with Second battery includes battery charging inlet and battery powered interface respectively.
Control unit 83 is the core of smart mobile phone in the present embodiment, and control unit 83 is opened including first switch SW1, second Close SW2, the 3rd switch SW3, the 4th switch SW4, the 5th switch SW5 and microcontroller (Microcontroller Unit)831.Each switch is all by the control of microcontroller 831, wherein because smart mobile phone is charged in the power-offstate When, the operation of microcontroller 831 needs the support of externally fed power supply, therefore the 5th switch SW5 acquiescences are in closure state.Control Each switch can also pass through GPIO (the General Purpose Input on intelligent mobile phone system on unit 83 processed Output, universal input/output) control.
Electric voltage observation circuit 84, for monitoring the voltage of the first battery 821 and the second battery 822, monitoring result is returned shoulder to shoulder Back to microcontroller 831.
Last smart mobile phone also includes anti-back flow circuit 85, and anti-back flow circuit 85 is used to prevent the electric current between two pieces of batteries Pour in down a chimney, lead to system abnormity.Here it is real that anti-back flow circuit can pour in down a chimney chip etc. using diode, metal-oxide-semiconductor or anti-electric current It is existing.
Because the 5th switch SW5 is acquiescence closure, therefore, when charging chip 81 passes through power supply adaptor in smart mobile phone After 70 are connected with externally fed power supply, external power source can be output to intelligence by the power supply output interface 811 of charging chip 81 System power supply interface in energy cellular phone power supplies administrative unit 86, it is the system power supply of smart mobile phone, ensures that microcontroller 831 opens It is dynamic.
The charging process of smart mobile phone is illustrated with reference to Fig. 9 flow chart:
S901, microcontroller 831 obtain the monitoring result of electric voltage observation circuit 85.
Monitoring result can be transferred to microcontroller 831 by electric voltage observation circuit 84 in real time, so that microcontroller 831 can Corresponding control action is made in time for the various situations in smart mobile phone charging process.
S902, microcontroller 831 according to monitoring result judge the first battery 821 or the second battery 822 magnitude of voltage whether More than start voltage.
The deterministic process of microcontroller 831 is substantially determined also sufficient with the presence or absence of magnitude of voltage in two batteries in S902 It is enough the magnitude of voltage of smart mobile phone power supply, if it is judged that being yes, then performs S903, otherwise, continues using externally fed electricity Source powers for smart mobile phone.
S903, microcontroller 831 judge whether the magnitude of voltage of the first battery 821 is higher than the magnitude of voltage of the second battery 822.
The judgement of the step will be determined on earth by the first battery powered still by the second battery powered, in this way, then be performed S904, otherwise perform S905.
S904, microcontroller 831 control closure the 3rd switch SW3 and second switch SW2, be then turned off first switch SW1, 4th switch SW4 and the 5th switch SW5.
S905, the control closure of microcontroller 831 first switch SW1, the 4th switch SW4, be then turned off the 3rd switch SW3 and The switches of second switch SW2 and the 5th SW5.
It is assumed herein that the voltage of the first battery 821 is less than the voltage of the second battery 822, then the first battery 821 can be used as and work as Preceding battery to be charged, current supplying cell is then used as by the second battery 822, continued with reference to Figure 10 in charging process Monitoring process illustrates.
S1001, microcontroller judge whether the magnitude of voltage of current supplying cell is less than start voltage.
The basis for estimation of microcontroller derives from the real-time monitoring result of electric voltage observation circuit.In this way, then S1002 is performed, Otherwise S1003 is performed.
S1002, microcontroller judge whether the magnitude of voltage of current battery to be charged is less than start voltage.
In this way, then illustrate that the deficiency of current battery to be charged thinks that smart mobile phone is powered, perform S1004, otherwise, perform S1005。
S1003, microcontroller judge current battery to be charged whether charging complete.
In this way, then S1006 is performed.
S1004, the switch of microprocessor control closure the 5th, disconnect the power supply branch road of current supplying cell.
S1005, the current battery to be charged of microprocessor control conducting power supply branch road, disconnect its charging paths, and disconnect The power supply branch road of supplying cell, turns on its charging paths.
S1006, microcontroller judge current supplying cell whether charging complete.
In this way, then S1007 is performed, otherwise, performs S1005.
S1007, stop charging.
If smart mobile phone is started shooting in the case of not plug-in source, now system default SW3 and SW4 is conducting, so Do is to ensure that system electric discharge of two batteries under any state for not inserting charger is all path, ensure that system can be just Often start.Whether both less than system microcontroller 831 in start-up course needs to judge the first battery 821 and 822 start voltage, If it is, stopping starting, and by display unit or Alarm Unit and user is prompted to charge.The system of smart mobile phone is first SW1 and SW5 conductings are given tacit consent under beginning state, so if the first battery or the second battery can power, then need to disconnect SW5.System Unite in running, two batteries can power simultaneously, because there is the presence of back flow circuit 85, can't be deposited between two batteries Disturbing, the high output current of voltage is big, and the low output current of voltage is small.
In addition, it is necessary to every setting time detection or the first battery 821 of monitoring and the in real time in system operation The voltage of two batteries 822, if all reaching shutdown voltage thresholding, control system shutdown.If shutdown voltage door is not reached Limit, system worked well.
The smart mobile phone that the present embodiment provides, by setting two batteries, when charging is needed, selected by microcontroller Current battery and supplying cell to be charged are selected, the separation of two processes of battery charging and power supply is realized, avoids and pass through power supply The problem of noise of charging or clutter are introduced into system, ensure that the Stability and dependability of system.
Obviously, those skilled in the art should be understood that each module of the embodiments of the present invention or each step can be used General computing device realizes that they can be concentrated on single computing device, or be distributed in multiple computing device institutes On the network of composition, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to by they It is stored in computer-readable storage medium (ROM/RAM, magnetic disc, CD) and is performed by computing device, and in some cases, can With to perform shown or described step different from order herein, or they are fabricated to each integrated circuit die respectively Block, or the multiple modules or step in them are fabricated to single integrated circuit module to realize.So the present invention does not limit Combined in any specific hardware and software.
Above content is to combine the further description that specific embodiment is made to the embodiment of the present invention, it is impossible to is recognized The specific implementation of the fixed present invention is confined to these explanations.For general technical staff of the technical field of the invention, Without departing from the inventive concept of the premise, some simple deduction or replace can also be made, should all be considered as belonging to the present invention Protection domain.

Claims (13)

1. a kind of terminal charge control method, including:
From N number of battery with charge function of terminal, the current battery for meeting charge condition of selection is as current to be charged Battery, the battery number M to be charged selected is more than or equal to 1, less than or equal to N, and selects K battery as current power supply electricity Pond, the supplying cell are different from the battery to be charged;N is more than or equal to 2, K and is more than or equal to 0;
The battery to be charged is charged, the system power supply that the battery to be charged and terminal are broken in charging process connects Electrical connection between mouthful, and when the K is more than 0, connects the supplying cell selected and powered with system power supply interface for terminal.
2. terminal charge control method as claimed in claim 1, it is characterised in that the charge condition is:In N number of electricity M minimum battery of current electric quantity in pond.
3. terminal charge control method as claimed in claim 1, it is characterised in that K battery of selection is as current power supply Battery includes:Magnitude of voltage is selected to be more than the battery conduct of the first predetermined threshold value from N number of battery with charge function of terminal Supplying cell, first predetermined threshold value characterize the supplying cell and are in low battery state.
4. terminal charge control method as claimed in claim 1, it is characterised in that selecting K battery as current confession Also include before battery:Externally fed power supply is controlled to be powered with the system power supply orifice for the terminal;
When selection result is that K also includes when being more than 0:Control is disconnected between the externally fed power supply and the system power supply interface Electrical connection.
5. the terminal charge control method as described in claim any one of 1-4, it is characterised in that also include:
Monitor the voltage of the supplying cell;
When the voltage of the supplying cell meets the first default switching condition, each power supply electricity for meeting the first preparatory condition is disconnected Electrical connection between pond and the system power supply interface, and it is the end to reselect supplying cell from current battery to be charged End power supply.
6. terminal charge control method as claimed in claim 5, it is characterised in that the described first default switching condition includes: The magnitude of voltage of the supplying cell is less than or equal to the first predetermined threshold value, and first predetermined threshold value characterizes the supplying cell and is in Low battery state.
7. the terminal charge control method as described in any one of claim 5, it is characterised in that also include:
Monitor the voltage of presently described battery to be charged;
When the voltage of the battery to be charged meets the second default switching condition, will meet described in the second default switching condition Battery to be charged switches to supplying cell, and reselects battery to be charged from the N-M battery not charged currently.
8. terminal charge control method as claimed in claim 7, it is characterised in that the described second default switching condition includes: The magnitude of voltage of presently described battery to be charged is more than or equal to the second predetermined threshold value, and second predetermined threshold value characterizes presently described treat Rechargeable battery charging complete.
A kind of 9. terminal charge control device, it is characterised in that including:
Selecting module, for from N number of battery with charge function of terminal, the current battery for meeting charge condition of selection to be made For current battery to be charged, the battery number M to be charged selected is more than or equal to 1, less than or equal to N, and selects K battery conduct Current supplying cell, the supplying cell are different from the battery to be charged;N is more than or equal to 2, K and is more than or equal to 0;
Control module, for being charged to presently described battery to be charged, the battery to be charged is broken in charging process Electrical connection between the system power supply interface of terminal, and when the K is more than 0, connect the supplying cell selected and system Power supply interface is powered for terminal.
10. a kind of terminal, it is characterised in that including N number of battery with charge function, system power supply interface and controller;Respectively The battery has the charging paths being connected with externally fed power supply and the power supply branch road being connected with the system power supply interface; It is separately provided for controlling the first switch unit of the branch road break-make in each charging paths and each power supply branch road;
The controller is used to select the current battery for meeting charge condition to be used as current battery to be charged from each battery, The battery number M to be charged selected is more than or equal to 1, less than or equal to N, and selects K battery as current supplying cell, institute It is different from the battery to be charged to state supplying cell;N is more than or equal to 2, M more than waiting 1, is more than or equal to 0 less than or equal to N, K;
The controller turns on the charging paths of the battery to be charged by first switch unit corresponding to control, described in disconnection The power supply branch road of battery to be charged, and when the K is more than 0, turns on the power supply branch road for the supplying cell selected, disconnect The charging paths of the supplying cell.
11. terminal as claimed in claim 10, it is characterised in that also include:Electric voltage observation circuit;
The electric voltage observation circuit is used for the magnitude of voltage for monitoring the supplying cell, and monitoring result is transferred into the control Device;
When the magnitude of voltage of the supplying cell is less than or equal to the first predetermined threshold value, the controller passes through corresponding to control first Switch element disconnects the power supply branch road of the supplying cell, and reselects supplying cell from current battery to be charged, turns on The power supply branch road of the supplying cell reselected out, disconnects its charging paths;First predetermined threshold value characterizes the confession Battery is in low battery state.
12. terminal as claimed in claim 11, it is characterised in that the electric voltage observation circuit is additionally operable to monitor presently described treat The magnitude of voltage of rechargeable battery, and monitoring result is transferred to the controller;
When the magnitude of voltage of the battery to be charged is more than or equal to the second predetermined threshold value, the controller passes through corresponding to control One switch element disconnects the charging paths of presently described battery to be charged, turns on its branch road of powering;And do not charged from currently N-M battery in reselect current battery to be charged, and control the charging branch for the battery to be charged that conducting reselects out Road, disconnect its branch road of powering;Second predetermined threshold value characterizes presently described battery charging complete to be charged.
13. the terminal as described in claim any one of 10-12, it is characterised in that also include:For connecting externally fed power supply With the externally fed branch road of the system power supply interface, second switch unit is provided with the externally fed, described second opens Close unit acquiescence closure;
When the controller selection result is that K is more than 0, the control disconnects the second switch unit.
CN201610659438.XA 2016-08-11 2016-08-11 Terminal charge control method, device and terminal Withdrawn CN107732991A (en)

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