CN102623768A - Multi-battery charging method and device and handheld mobile terminal - Google Patents
Multi-battery charging method and device and handheld mobile terminal Download PDFInfo
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- CN102623768A CN102623768A CN2012100902872A CN201210090287A CN102623768A CN 102623768 A CN102623768 A CN 102623768A CN 2012100902872 A CN2012100902872 A CN 2012100902872A CN 201210090287 A CN201210090287 A CN 201210090287A CN 102623768 A CN102623768 A CN 102623768A
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- 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
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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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
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- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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- 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
Abstract
The invention discloses a multi-battery charging method and device and a handheld mobile terminal, and the multi-battery charging method and the device are used for increasing the charging efficiency of a plurality of batteries, so that the batteries of equipment, such as the handheld mobile terminal, can be charged through one control unit. The multi-battery charging method provided by the invention comprises the following steps of: detecting the voltage of each battery; comparing the voltage of each battery with preset thresholds, and selecting charging manners for the batteries according to comparative results; and charging the batteries by adopting the selected charging manners.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of many method for charging batteries, device and a kind of hand-held mobile terminal.
Background technology
The performance of hand-held mobile terminal is increasingly high at present, and power consumption is increasing, in this case; Capacity and performance to hand-held battery of mobile terminal have also had requirements at the higher level, in order to promote the flying power of hand-held mobile terminal, more solution occurred; Wherein a kind of effective method just is to use many batteries, and this method not only can effectively promote the flying power of mobile phone, and can let the user in the process of changing battery, need not power down; More convenient, more humane.
This many batteries mobile device is widely used on the conventional equipment that special equipment or some have relatively high expectations to duration performance at present, and taking more generally is two batteries, a main battery; A reserve battery when main battery does not have electricity, can directly be pulled up main battery; Change main battery, this moment, portable terminal can be supplied power with reserve battery, and need not shutdown; Power down is perhaps restarted.
To this common many battery apparatus, conventional charging modes can't well satisfy the charging needs of mobile phone.For the charging of multiple battery systems, mainly be adopted as every battery and be equipped with a block control unit at present, thereby realize many batteries are charged.But if every battery uses a block control unit, cost is very high.
Summary of the invention
The embodiment of the invention provides a kind of many method for charging batteries, device and a kind of hand-held mobile terminal, in order to improve battery charge efficient, make equipment such as hand-held mobile terminal to charge to a plurality of batteries through a control unit, and cost is lower.
A kind of many method for charging batteries that the embodiment of the invention provides comprise:
Detect the voltage of each battery;
With the voltage of each battery, compare with preset threshold value, select charging modes based on comparative result for this battery;
Adopt the charging modes of selecting, be battery charge.
A kind of multiple charging apparatus that the embodiment of the invention provides comprises:
Voltage detection unit is used to detect the voltage of each battery;
The charging modes selected cell is used for the voltage with each battery, compares with preset threshold value, selects charging modes according to comparative result for this battery;
Charging control unit, the charging modes that is used to adopt the charging modes selected cell to select is battery charge.
A kind of hand-held mobile terminal that the embodiment of the invention provides comprises said charging device.
The embodiment of the invention detects the voltage of each battery; With the voltage of each battery, compare with preset threshold value, select charging modes according to comparative result for this battery; The charging modes of adopt selecting is battery charge, thereby has improved battery charge efficient, make equipment such as hand-held mobile terminal to charge to a plurality of batteries through a control unit, and cost is lower.
Description of drawings
The general structure sketch map of the charging device that Fig. 1 provides for the embodiment of the invention;
The concrete structure sketch map of the charging device that Fig. 2 provides for the embodiment of the invention;
The overall procedure sketch map of the charging method that Fig. 3 provides for the embodiment of the invention;
The idiographic flow sketch map of the charging method that Fig. 4 provides for the embodiment of the invention;
Another idiographic flow sketch map of the charging method that Fig. 5 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of many method for charging batteries, device and a kind of hand-held mobile terminal, in order to improve battery charge efficient, makes equipment such as hand-held mobile terminal to charge to a plurality of batteries through a control unit.
Below in conjunction with accompanying drawing the technical scheme that the embodiment of the invention provides is described.
Referring to Fig. 1, a kind of multiple charging apparatus that the embodiment of the invention provides comprises:
Charging modes selected cell 12 is used for the voltage with each battery, compares with preset threshold value, selects charging modes according to comparative result for this battery; Be that charging modes selected cell 12 is responsible for 13 pairs of current which kind of charging modes of batteries enforcement to be charged of control charging control unit, according to the voltage of current battery to be charged, control charging control unit 13 adopts suitable charging modes charging;
Preferably, said charging modes selected cell 12 specifically is used for:
When the voltage of battery, greater than the first preset thresholding, and, when being less than or equal to preset second threshold, select the charging modes of constant current charge for this battery;
When the voltage of battery, when being less than or equal to the first preset thresholding, select the charging modes of trickle charge for this battery;
When the voltage of battery, during greater than preset second threshold, select the charging modes of constant voltage charge for this battery;
Wherein, first thresholding is less than second thresholding.
Preferably; The voltage of said voltage detection unit 11 each battery of inspection; The battery that the charging modes that if said charging modes selected cell 12 defines needs employing trickle charge charges; Then said charging control unit 13 is carried out trickle charge, and after the battery that adopts the charging modes of trickle charge to charge to needs was accomplished trickle charge, said voltage detection unit 11 reexamined the voltage of each battery; The battery that the charging modes that if said charging modes selected cell 12 defines needs the employing constant current charge charges; Then said charging control unit 13 is carried out constant current charge, and after the battery that adopts the charging modes of constant current charge to charge to needs was accomplished constant current charge, said voltage detection unit 11 reexamined the voltage of each battery; The battery that the charging modes that if said charging modes selected cell 12 defines needs the employing constant voltage charge charges; Then said charging control unit 13 is carried out constant voltage charge, and after the battery that adopts the charging modes of constant voltage charge to charge to needs was accomplished constant voltage charge, charging was accomplished.
Particularly: said voltage detection unit 11 detects the voltage of each battery, when current cell voltage is less than or equal to the first preset thresholding according to the detection order of preset all batteries; Said charging modes selected cell 12 is this battery; Select the charging modes of trickle charge, and trigger said charging control unit 13 and charge, after current battery is accomplished trickle charge; When perhaps said voltage detection unit 11 detects current cell voltage greater than preset first thresholding; Said voltage detection unit 11 is according to said detection order, and the battery that the next one is to be detected carries out voltage detecting as current battery, up to the traversal all batteries;
Said voltage detection unit 11 is again according to the detection order of preset all batteries; Detect the voltage of each battery, when current cell voltage was less than or equal to preset second threshold, said charging modes selected cell 12 was selected the charging modes of constant-current charge for this battery; And trigger said charging control unit 13 and charge; After current battery was accomplished constant-current charge, when perhaps said voltage detection unit 11 detected current cell voltage greater than preset second threshold, said voltage detection unit 11 was based on said detection order; The battery that the next one is to be detected is carried out voltage detecting as current battery, up to the traversal all batteries;
Said charging modes selected cell 12 is selected the charging modes of constant voltage charge for each battery, and triggers said charging control unit 13 and charge.
Perhaps; Another kind of implementation: the voltage of said voltage detection unit 11 each battery of inspection; The battery that the charging modes that if said charging modes selected cell 12 defines needs the employing constant current charge charges; Then said charging control unit 13 is carried out constant current charge, and after the battery that adopts the charging modes of constant current charge to charge to needs was accomplished constant current charge, said voltage detection unit 11 reexamined the voltage of each battery; The battery that the charging modes that if said charging modes selected cell 12 defines needs employing trickle charge charges; Then said charging control unit 13 is carried out trickle charge; After the battery that adopts the charging modes of trickle charge to charge to needs is accomplished trickle charge; Said voltage detection unit 11 reexamines the voltage of each battery, if the battery that the charging modes that said charging modes selected cell 12 defines needs the employing constant current charge charges, then said charging control unit 13 is carried out constant current charge; After the battery that adopts the charging modes of constant current charge to charge to needs is accomplished constant current charge; Said voltage detection unit 11 reexamines the voltage of each battery, if the battery that the charging modes that said charging modes selected cell 12 defines needs the employing constant voltage charge charges, then said charging control unit 13 is carried out constant voltage charge; After the battery that adopts the charging modes of constant voltage charge to charge to needs was accomplished constant voltage charge, charging was accomplished.
Particularly: said voltage detection unit 11 is according to the detection order of preset all batteries; Detect the voltage of current battery; When current cell voltage greater than the first preset thresholding and when being less than or equal to preset second threshold; Said charging modes selected cell 12 is selected the charging modes of constant current charge for this battery, and triggers said charging control unit 13 and charge, after current battery is accomplished constant current charge; When perhaps said voltage detection unit 11 detects current cell voltage greater than preset second threshold or less than the first preset thresholding or first thresholding that equals to preset; Said voltage detection unit 11 is according to said detection order, and the battery that the next one is to be detected is carried out voltage detecting as current battery, up to the traversal all batteries;
Said voltage detection unit 11 is again according to the detection order of preset all batteries; Detect the voltage of current battery, when current cell voltage was less than or equal to the first preset thresholding, said charging modes selected cell 12 was selected the charging modes of trickle charge for this battery; And trigger said charging control unit 13 and charge; After current battery was accomplished trickle charge, when perhaps said voltage detection unit 11 detected current cell voltage greater than preset first thresholding, said voltage detection unit 11 was based on said detection order; The battery that the next one is to be detected is carried out voltage detecting as current battery, up to the traversal all batteries;
Said voltage detection unit 11 is again according to the detection order of preset all batteries; Detect the voltage of current battery; When current cell voltage was less than or equal to preset second threshold, said charging modes selected cell 12 was selected the charging modes of constant current charge for this battery, and triggers said charging control unit 13 and charge; When after current battery is accomplished constant current charge, perhaps detecting current cell voltage greater than preset second threshold; Said voltage detection unit 11 is according to said detection order, and the battery that the next one is to be detected is carried out voltage detecting as current battery, up to the traversal all batteries;
Said charging modes selected cell 12 is selected the charging modes of constant voltage charge for each battery, and triggers said charging control unit 13 and charge.
Referring to Fig. 2, preferably, said charging control unit 13 comprises:
Condition monitoring unit 21 is used to monitor control unit 22 and whether accomplishes trickle charge, constant current charge or constant voltage charge to battery; Be the states that current rechargeable battery is responsible for from control unit 22, reading in condition monitoring unit 21, judge whether trickle charge finishes, or whether constant current charge finish, or whether constant voltage charge finishes etc.;
Control unit 22 is used for the monitored results according to condition monitoring unit 21, the charging modes that adopts the charging modes selected cell to select, and control switch switch unit 23 is different battery charge; Control unit 22 is responsible for accomplishing the most crucial task to battery charge, and the various states that feed back current rechargeable battery are given condition monitoring unit 21;
Switch switching unit 23 is used for the control according to control unit 22, switches to different batteries, makes that control unit is different battery charge.Be the selection that switch switching unit 23 is responsible for rechargeable battery,, just which battery switch switched on which piece battery charge.
A kind of hand-held mobile terminal that the embodiment of the invention provides comprises above-mentioned charging device.
Above-mentioned each unit combination charging module circuit has together been accomplished the judgement that switching and the charging of various state in the charging flow are accomplished.
Referring to Fig. 3, a kind of many method for charging batteries that the embodiment of the invention provides comprise:
S101, detect the voltage of each battery;
S102, with the voltage of each battery, compare with preset threshold value, be this battery selection charging modes according to comparative result;
The charging modes that S103, employing are selected is battery charge.
Preferably, said voltage according to battery is selected charging modes for battery, comprising:
When the voltage of battery, greater than the first preset thresholding, and, when being less than or equal to preset second threshold, select the charging modes of constant current charge for battery;
When the voltage of battery, when being less than or equal to the first preset thresholding, select the charging modes of trickle charge for battery;
When the voltage of battery, during greater than preset second threshold, select the charging modes of constant voltage charge for battery;
Wherein, first thresholding is less than second thresholding.
Preferably, said first thresholding is 3.2V; Said second thresholding is 4.1V.
Preferably, the voltage of said each battery of detection is with the voltage of each battery; Compare with preset threshold value, select charging modes for this battery, adopt the charging modes of selecting according to comparative result; Be battery charge, specifically comprise: check the voltage of each battery, if the battery that has needs to adopt the charging modes of trickle charge to charge; Then carry out trickle charge, after the battery that adopts the charging modes of trickle charge to charge to needs is accomplished trickle charge, reexamine the voltage of each battery; If the battery that has the charging modes that need to adopt constant current charge to charge then carries out constant current charge, after the battery that adopts the charging modes of constant current charge to charge to needs is accomplished constant current charge; Reexamine the voltage of each battery, if the battery that has needs to adopt the charging modes of constant voltage charge to charge then carries out constant voltage charge; After the battery that adopts the charging modes of constant voltage charge to charge to needs was accomplished constant voltage charge, charging was accomplished.
That is to say that the voltage of said each battery of detection with the voltage of each battery, compares with preset threshold value, selects charging modes according to comparative result for this battery, adopts the charging modes of selecting, and is battery charge, specifically comprises:
Step 1: according to the detection order of preset all batteries; Detect the voltage of current battery;, current cell voltage select the charging modes of trickle charge to charge when being less than or equal to the first preset thresholding, and after current battery is accomplished trickle charge or when detecting current cell voltage greater than preset first thresholding, based on said detection order; The battery that the next one is to be detected is carried out this procedure as current battery, up to the traversal all batteries;
Step 2: again according to the detection order of preset all batteries; Detect the voltage of current battery, when current cell voltage is less than or equal to preset second threshold, select the charging modes of constant-current charge to charge; And after current battery is accomplished constant-current charge or when detecting current cell voltage greater than preset second threshold; Based on said detection order, the battery that the next one is to be detected is carried out this procedure as current battery, up to the traversal all batteries;
Step 3: select the charging modes of constant voltage charge for each battery and charge.
Perhaps, the voltage of said each battery of detection with the voltage of each battery, compares with preset threshold value, selects charging modes according to comparative result for this battery, adopts the charging modes of selecting, and is battery charge, specifically comprises:
Check the voltage of each battery, if the battery that has needs to adopt the charging modes of constant current charge to charge then carries out constant current charge; After the battery that the charging modes that needs is adopted constant current charge charges is accomplished constant current charge, reexamine the voltage of each battery, if the battery that has the charging modes that needs to adopt trickle charge to charge; Then carry out trickle charge, after the battery that adopts the charging modes of trickle charge to charge to needs is accomplished trickle charge, reexamine the voltage of each battery; If the battery that has needs to adopt the charging modes of constant current charge to charge; Then carry out constant current charge, after the battery that adopts the charging modes of constant current charge to charge to needs is accomplished constant current charge, reexamine the voltage of each battery; If the battery that has needs to adopt the charging modes of constant voltage charge to charge; Then carry out constant voltage charge, after the battery that adopts the charging modes of constant voltage charge to charge to needs was accomplished constant voltage charge, charging was accomplished.
That is to say that the voltage of said each battery of detection with the voltage of each battery, compares with preset threshold value, selects charging modes according to comparative result for this battery, adopts the charging modes of selecting, and is battery charge, can also specifically comprise:
Step 1: according to the detection order of preset all batteries; Detect the voltage of current battery; When current cell voltage greater than the first preset thresholding and when being less than or equal to preset second threshold; Select the charging modes of constant-current charge to charge, and after current battery is accomplished constant-current charge or when detecting current cell voltage greater than preset second threshold or less than the first preset thresholding or first thresholding that equals to preset, based on said detection order; The battery that the next one is to be detected is carried out this procedure as current battery, up to the traversal all batteries;
Step 2: again according to the detection order of preset all batteries; Detect the voltage of current battery, when current cell voltage is less than or equal to the first preset thresholding, select the charging modes of trickle charge to charge; And after current battery is accomplished trickle charge or when detecting current cell voltage greater than preset first thresholding; Based on said detection order, the battery that the next one is to be detected is carried out this procedure as current battery, up to the traversal all batteries;
Step 3: again according to the detection order of preset all batteries; Detect the voltage of current battery, when current cell voltage is less than or equal to preset second threshold, select the charging modes of constant-current charge to charge; And after current battery is accomplished constant-current charge or when detecting current cell voltage greater than preset second threshold; Based on said detection order, the battery that the next one is to be detected is carried out this procedure as current battery, up to the traversal all batteries;
Step 4: select the charging modes of constant voltage charge for each battery and charge.
That is to say that concerning charging, the embodiment of the invention can be divided into three phases with whole charging process: trickle charge, constant current charge and constant voltage charge.
This three phases is distinguished with voltage,, do not allowed mobile phone to get into the large current charge state, use trickle charge if cell voltage can be assumed to V0 here less than a threshold value; In case cell voltage greater than V0, just can be used large current charge, get into the constant current charge stage; When cell voltage is charged to certain voltage, be assumed to V1 here, the pressure reduction of charger and battery reduces, and this moment, charging current can reduce, and charging voltage is fixed, and gets into the constant voltage charge stage;
If above-mentioned three charging stages, most effective is constant current charge, but in order to protect battery; Can not let battery be in spent condition again; Again to another piece battery charge, this just requires before the charging beginning, to check earlier the state of each battery after having determined thus can not a battery be full of, and earlier all states of trickle charge is accomplished then; And then all states of constant current charge are accomplished, at last every battery is carried out constant voltage charge.
Idiographic flow is referring to Fig. 4, wherein:
N: the battery sum of expression portable terminal;
Vi: the magnitude of voltage of i piece battery; I is since 0 value, adds 1 at every turn, is N to the maximum;
I++: expression i from add operation, carry out once should operation after, i increases by 1, like i=2, after the i++, i=3, the rest may be inferred;
V0: the threshold value of mobile phone constant current charge, promptly above-mentioned first thresholding, Vi＞V0, mobile phone constant current charge; Vi＜=V0, mobile phone trickle charge;
V1: the threshold value of mobile phone constant voltage charge, promptly above-mentioned second thresholding, Vi＞V1, mobile phone constant voltage charge; Vi＜=V1, the mobile phone constant current charge;
Wherein, V0 is less than V1, and for example, V0 can be 3.2V, and V1 can be 4.1V.
Below in conjunction with Fig. 4, introduce the control method of many battery charge of the portable terminal that the embodiment of the invention provides:
The charging beginning specifically can be triggered by charger or other power supply units;
Battery counting i is since 1 value;
Battery counting i and battery sum N are relatively;
If battery ordinal number i＜=N explains that the battery that detects is effective, further detect the voltage of this battery;
Compare the voltage Vi of battery i and the size of constant current threshold voltage V0;
If Vi＞V0 explains to need not trickle charge,, detect the voltage of next battery directly with ordinal number i++;
If Vi＜V0, i carries out trickle charge for this battery;
Trickle charge is accomplished, and with ordinal number i++, detects the voltage of next battery;
If battery ordinal number i＞N explains the battery that need not detect, get into the big flow process of constant current charge;
Battery ordinal number i makes zero, then since 1 counting;
Battery counting i and battery sum N are relatively;
If battery ordinal number i＜=N explains that the battery that detects is effective, further detect the voltage of this battery;
Compare the voltage Vi of battery i and the size of constant voltage threshold voltage V1;
If Vi＞V1 explains to need not constant current charge,, detect the voltage of next battery directly with ordinal number i++;
If Vi＜=V1 is for this battery carries out constant current charge;
Constant current charge is accomplished, and with ordinal number i++, detects the voltage of next battery;
If battery ordinal number i＞N explains the battery that need not detect, get into the big flow process of constant voltage charge;
Battery ordinal number i makes zero, then since 1 counting;
Battery counting i and battery sum N are relatively;
If battery ordinal number i＜=N explains that battery effectively directly carries out constant voltage charge;
Constant voltage charge is accomplished, and this battery charge is full, with ordinal number i++, detects the voltage of next battery;
If battery ordinal number i＞N explains that the charging of all batteries is all accomplished, get into charging and accomplish flow process;
Charging is accomplished, and is prompted to the user.
Perhaps; The embodiment of the invention can be divided into four-stage with whole charging process: constant current charge, trickle charge, constant current charge and constant voltage charge, promptly can take first constant current charge, trickle charge again; Constant current charge again; The last method of constant voltage charge again, the efficient of this method is higher in theory, if but certain battery is in trickle for a long time fills voltage level influential to battery life.
Below in conjunction with Fig. 5, introduce the control method of many battery charge of the portable terminal that the embodiment of the invention provides:
The charging beginning specifically can be triggered by charger or other power supply units;
Battery counting i is since 1 value;
Battery counting i and battery sum N are relatively;
If battery ordinal number i＜=N explains that the battery that detects is effective, further detect the voltage of this battery;
The voltage Vi of battery i and constant current threshold voltage V0 and constant voltage threshold voltage V1 are compared, judge that Vi is whether greater than V0 and be less than or equal to V1;
If Vi＞V1 or Vi＜=V0 explain to need not directly with ordinal number i++, to detect the voltage of next battery for battery i carries out constant current charge;
If V0＜Vi＜=V1 is for battery i carries out constant current charge;
Constant current charge is accomplished, and with ordinal number i++, detects the voltage of next battery;
If battery ordinal number i＞N explains the battery that need not detect, get into the trickle charge flow process;
Battery counting i is since 1 value;
Battery counting i and battery sum N are relatively;
If battery ordinal number i＜=N explains that the battery that detects is effective, further detect the voltage of this battery;
Relatively the voltage Vi of battery i and the size of constant current threshold voltage V0 judge that whether Vi is less than V0;
If Vi＞V0 explains to need not trickle charge,, detect the voltage of next battery directly with ordinal number i++;
If Vi＜V0, i carries out trickle charge for this battery;
Trickle charge is accomplished, and with ordinal number i++, detects the voltage of next battery;
If battery ordinal number i＞N explains the battery that need not detect, get into the constant current charge flow process;
Battery ordinal number i makes zero, then since 1 counting;
Battery counting i and battery sum N are relatively;
If battery ordinal number i＜=N explains that the battery that detects is effective, further detect the voltage of this battery;
Compare the voltage Vi of battery i and the size of constant voltage threshold voltage V1;
If Vi＞V1 explains to need not constant current charge,, detect the voltage of next battery directly with ordinal number i++;
If Vi＜=V1 is for this battery carries out constant current charge;
Constant current charge is accomplished, and with ordinal number i++, detects the voltage of next battery;
If battery ordinal number i＞N explains the battery that need not detect, get into the big flow process of constant voltage charge;
Battery ordinal number i makes zero, then since 1 counting;
Battery counting i and battery sum N are relatively;
If battery ordinal number i＜=N explains that battery effectively directly carries out constant voltage charge;
Constant voltage charge is accomplished, and this battery charge is full, with ordinal number i++, detects the voltage of next battery;
If battery ordinal number i＞N explains that the charging of all batteries is all accomplished, get into charging and accomplish flow process;
Charging is accomplished, and is prompted to the user.
In sum, the embodiment of the invention uses a block control unit to accomplish the function of many battery charge, makes the cost of circuit design lower, and the service efficiency of device is higher; Adopt the serial charging scheme, only a battery is charged at every turn, flow process is simple, and is clear and definite, the software administration of being more convenient for.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. method for charging batteries more than a kind is characterized in that, this method comprises:
Detect the voltage of each battery;
With the voltage of each battery, compare with preset threshold value, select charging modes based on comparative result for this battery;
Adopt the charging modes of selecting, be battery charge.
2. method according to claim 1 is characterized in that, said voltage with each battery compares with preset threshold value, selects charging modes according to comparative result for this battery, comprising:
When the voltage of battery, greater than the first preset thresholding, and, when being less than or equal to preset second threshold, select the charging modes of constant current charge for this battery;
When the voltage of battery, when being less than or equal to the first preset thresholding, select the charging modes of trickle charge for this battery;
When the voltage of battery, during greater than preset second threshold, select the charging modes of constant voltage charge for this battery;
Wherein, first thresholding is less than second thresholding.
3. method according to claim 2 is characterized in that, the voltage of said each battery of detection; With the voltage of each battery, compare with preset threshold value, select charging modes according to comparative result for this battery; Adopt the charging modes of selecting, be battery charge, specifically comprise:
Check the voltage of each battery, if the battery that has needs to adopt the charging modes of trickle charge to charge then carries out trickle charge;
After the battery that the charging modes that needs is adopted trickle charge charges is accomplished trickle charge, reexamine the voltage of each battery, if the battery that has the charging modes that needs to adopt constant current charge to charge then carries out constant current charge;
After the battery that adopts the charging modes of constant current charge to charge to needs is accomplished constant current charge; Reexamine the voltage of each battery; If the battery that has needs to adopt the charging modes of constant voltage charge to charge; Then carry out constant voltage charge, after the battery that adopts the charging modes of constant voltage charge to charge to needs was accomplished constant voltage charge, charging was accomplished.
4. method according to claim 3 is characterized in that, specifically comprises:
Step 1: according to the detection order of preset all batteries; Detect the voltage of current battery;, current cell voltage select the charging modes of trickle charge to charge when being less than or equal to the first preset thresholding, and after current battery is accomplished trickle charge or when detecting current cell voltage greater than preset first thresholding, based on said detection order; The battery that the next one is to be detected is carried out this procedure as current battery, up to the traversal all batteries;
Step 2: again according to the detection order of preset all batteries; Detect the voltage of current battery, when current cell voltage is less than or equal to preset second threshold, select the charging modes of constant-current charge to charge; And after current battery is accomplished constant-current charge or when detecting current cell voltage greater than preset second threshold; Based on said detection order, the battery that the next one is to be detected is carried out this procedure as current battery, up to the traversal all batteries;
Step 3: select the charging modes of constant voltage charge for each battery and charge.
5. method according to claim 2 is characterized in that, the voltage of said each battery of detection; With the voltage of each battery, compare with preset threshold value, select charging modes according to comparative result for this battery; Adopt the charging modes of selecting, be battery charge, specifically comprise:
Check the voltage of each battery, if the battery that has needs to adopt the charging modes of constant current charge to charge then carries out constant current charge;
After the battery that the charging modes that needs is adopted constant current charge charges is accomplished constant current charge, reexamine the voltage of each battery, if the battery that has the charging modes that needs to adopt trickle charge to charge then carries out trickle charge;
After the battery that the charging modes that needs is adopted trickle charge charges is accomplished trickle charge, reexamine the voltage of each battery, if the battery that has the charging modes that needs to adopt constant current charge to charge then carries out constant current charge;
After the battery that adopts the charging modes of constant current charge to charge to needs is accomplished constant current charge; Reexamine the voltage of each battery; If the battery that has needs to adopt the charging modes of constant voltage charge to charge; Then carry out constant voltage charge, after the battery that adopts the charging modes of constant voltage charge to charge to needs was accomplished constant voltage charge, charging was accomplished.
6. method according to claim 5 is characterized in that, specifically comprises:
Step 1: according to the detection order of preset all batteries; Detect the voltage of current battery; When current cell voltage greater than the first preset thresholding and when being less than or equal to preset second threshold; Select the charging modes of constant-current charge to charge, and after current battery is accomplished constant-current charge or when detecting current cell voltage greater than preset second threshold or less than the first preset thresholding or first thresholding that equals to preset, based on said detection order; The battery that the next one is to be detected is carried out this procedure as current battery, up to the traversal all batteries;
Step 2: again according to the detection order of preset all batteries; Detect the voltage of current battery, when current cell voltage is less than or equal to the first preset thresholding, select the charging modes of trickle charge to charge; And after current battery is accomplished trickle charge or when detecting current cell voltage greater than preset first thresholding; Based on said detection order, the battery that the next one is to be detected is carried out this procedure as current battery, up to the traversal all batteries;
Step 3: again according to the detection order of preset all batteries; Detect the voltage of current battery, when current cell voltage is less than or equal to preset second threshold, select the charging modes of constant-current charge to charge; And after current battery is accomplished constant-current charge or when detecting current cell voltage greater than preset second threshold; Based on said detection order, the battery that the next one is to be detected is carried out this procedure as current battery, up to the traversal all batteries;
Step 4: select the charging modes of constant voltage charge for each battery and charge.
7. a multiple charging apparatus is characterized in that, this device comprises:
Voltage detection unit is used to detect the voltage of each battery;
The charging modes selected cell is used for the voltage with each battery, compares with preset threshold value, selects charging modes according to comparative result for this battery;
Charging control unit, the charging modes that is used to adopt the charging modes selected cell to select is battery charge.
8. device according to claim 7 is characterized in that, said charging modes selected cell specifically is used for:
When the voltage of battery, greater than the first preset thresholding, and, when being less than or equal to preset second threshold, select the charging modes of constant current charge for this battery;
When the voltage of battery, when being less than or equal to the first preset thresholding, select the charging modes of trickle charge for this battery;
When the voltage of battery, during greater than preset second threshold, select the charging modes of constant voltage charge for this battery;
Wherein, first thresholding is less than second thresholding.
9. device according to claim 8 is characterized in that,
The voltage of said each battery of voltage detection unit inspection, if the battery that the charging modes that said charging modes selected cell defines needs employing trickle charge charges, then said charging control unit is carried out trickle charge;
After the battery that adopts the charging modes of trickle charge to charge to needs is accomplished trickle charge; Said voltage detection unit reexamines the voltage of each battery; The battery that the charging modes that if said charging modes selected cell defines needs the employing constant current charge charges, then said charging control unit is carried out constant current charge;
After the battery that adopts the charging modes of constant current charge to charge to needs is accomplished constant current charge; Said voltage detection unit reexamines the voltage of each battery; The battery that the charging modes that if said charging modes selected cell defines needs the employing constant voltage charge charges; Then said charging control unit is carried out constant voltage charge, and after the battery that adopts the charging modes of constant voltage charge to charge to needs was accomplished constant voltage charge, charging was accomplished.
10. device according to claim 8 is characterized in that,
The voltage of said each battery of voltage detection unit inspection, if the battery that the charging modes that said charging modes selected cell defines needs the employing constant current charge charges, then said charging control unit is carried out constant current charge;
After the battery that adopts the charging modes of constant current charge to charge to needs was accomplished constant current charge, said voltage detection unit reexamined the voltage of each battery; The battery that the charging modes that if said charging modes selected cell defines needs employing trickle charge charges, then said charging control unit is carried out trickle charge;
After the battery that adopts the charging modes of trickle charge to charge to needs is accomplished trickle charge; Said voltage detection unit reexamines the voltage of each battery; The battery that the charging modes that if said charging modes selected cell defines needs the employing constant current charge charges, then said charging control unit is carried out constant current charge;
After the battery that adopts the charging modes of constant current charge to charge to needs is accomplished constant current charge; Said voltage detection unit reexamines the voltage of each battery; The battery that the charging modes that if said charging modes selected cell defines needs the employing constant voltage charge charges; Then said charging control unit is carried out constant voltage charge, and after the battery that adopts the charging modes of constant voltage charge to charge to needs was accomplished constant voltage charge, charging was accomplished.
11., it is characterized in that said charging control unit comprises according to claim 9 or 10 described devices:
The condition monitoring unit is used to monitor control unit and whether accomplishes trickle charge, constant current charge or constant voltage charge to battery;
Control unit is used for the monitored results according to the condition monitoring unit, the charging modes that adopts the charging modes selected cell to select, and the control switch switch unit is different battery charge;
Switch switching unit is used for the control according to control unit, switches to different batteries, makes that control unit is different battery charge.
12. a hand-held mobile terminal is characterized in that, this terminal comprises the described charging device of the arbitrary claim of claim 7-11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210090287.2A CN102623768B (en) | 2012-03-30 | 2012-03-30 | Multi-battery charging method and device and handheld mobile terminal |
| PCT/CN2013/072681 WO2013143398A1 (en) | 2012-03-30 | 2013-03-15 | Multi-battery charging method and device, and handheld mobile terminal |
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| CN201210090287.2A CN102623768B (en) | 2012-03-30 | 2012-03-30 | Multi-battery charging method and device and handheld mobile terminal |
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| WO2013143398A1 (en) | 2013-10-03 |
| CN102623768B (en) | 2014-08-27 |
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