CN106451640B - A kind of charging method and mobile terminal - Google Patents

A kind of charging method and mobile terminal Download PDF

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Publication number
CN106451640B
CN106451640B CN201610967502.0A CN201610967502A CN106451640B CN 106451640 B CN106451640 B CN 106451640B CN 201610967502 A CN201610967502 A CN 201610967502A CN 106451640 B CN106451640 B CN 106451640B
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Prior art keywords
cutoff voltage
charge cutoff
rechargeable battery
charging
recharge cycles
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CN106451640A (en
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魏强
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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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
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The present invention provides a kind of charging method and mobile terminals, and wherein charging method includes: that the electricity of the rechargeable battery of statistics mobile terminal reaches the first number of recharge cycles of preset value;The first charge cutoff voltage corresponding with the first number of recharge cycles is searched in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage, wherein, the corresponding charge cutoff voltage of higher number of recharge cycles in matching relationship table, is less than or equal to the corresponding charge cutoff voltage of lower number of recharge cycles;The charge cutoff voltage that rechargeable battery is arranged is the first charge cutoff voltage, receives the constant charge current that charger provides and charges.The embodiment of the present invention accordingly reduces charge cutoff voltage by the different phase of cycle life locating for identification rechargeable battery, to extend the service life of rechargeable battery on the basis of not reducing charging rate.

Description

A kind of charging method and mobile terminal
Technical field
The present invention relates to field of communication technology more particularly to a kind of charging method and mobile terminals.
Background technique
With extensive use of the lithium ion battery in various electronic products, the cycle life of lithium ion battery is wanted Ask also higher and higher.With the increase of circulating battery number, battery core SEI film can be decomposed and be repaired simultaneously, and electrolyte also can be therewith Consumption can make lithium ion deposit on the surface of cathode graphite, form the irreversible lithium metal of electricity, cause plug-hole or accelerate secondary Reaction, it is serious to generate Li dendrite so as to cause battery capacity decaying, it generates and pierces through the risk that isolation film causes short circuit.
According to the characteristic of lithium ion battery, as charge and discharge use, the practical electricity of battery can inevitably reduce, electricity The full charge pressure that pond can be born can also decrease.If still using charge cutoff voltage identical with original state to battery It is charged and (still battery is charged to every time most full), will lead to the feelings that battery is charged to the voltage born more than its maximum Condition is more than the analysis lithium current potential of battery, is easy to produce analysis lithium, cause plug-hole or accelerate side reaction, to accelerate the reversible electricity of battery The decaying of amount eventually leads to battery life and strongly reduces, and thickness swelling becomes larger, and influences user experience.
Present mobile terminal begins to use the battery core of high voltage or fast charge function, under high voltages or the pair under high current Reaction inherently can be more serious than original battery core, and cycle life naturally also can be worse.And existing extension rechargeable battery recycles the longevity The method of life is essentially all reduction charging current appropriate, but can extend the charging time of mobile terminal in this way, to influence User experience.
Summary of the invention
The embodiment of the present invention provides a kind of charging method and mobile terminal, to solve the circulation of rechargeable battery in the prior art The bring charging time extends when service life reduces and extends the cycle life of rechargeable battery using the method for reducing charging current The problem of influencing user experience.
In a first aspect, the embodiment of the present invention provides a kind of charging method, it is applied to mobile terminal, wherein method includes:
The electricity for counting the rechargeable battery of mobile terminal reaches the first number of recharge cycles of preset value;
It searches in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage and is followed with the first charging Corresponding first charge cutoff voltage of ring number, wherein corresponding charge of higher number of recharge cycles is cut in matching relationship table Only voltage is less than or equal to the corresponding charge cutoff voltage of lower number of recharge cycles;
The charge cutoff voltage that rechargeable battery is arranged is the first charge cutoff voltage, receives the constant charging that charger provides Electric current charges.
Second aspect, the embodiment of the present invention provide a kind of mobile terminal, comprising:
Statistical module reaches the first charging cycle time of preset value for counting the electricity of rechargeable battery of mobile terminal Number;
Searching module, for being searched in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage The first charge cutoff voltage corresponding with the first number of recharge cycles, wherein higher number of recharge cycles in matching relationship table Corresponding charge cutoff voltage is less than or equal to the corresponding charge cutoff voltage of lower number of recharge cycles;
First processing module, the charge cutoff voltage for rechargeable battery to be arranged is the first charge cutoff voltage, and reception is filled The constant charge current that electric appliance provides charges.
The beneficial effect of above-mentioned technical proposal of the embodiment of the present invention includes at least:
Technical solution of the present invention, the electricity by counting rechargeable battery reach the first number of recharge cycles of preset value, The first charging corresponding with the first number of recharge cycles is searched in the matching relationship table of number of recharge cycles and charge cutoff voltage Blanking voltage, and after setting the first charge cutoff voltage for the charge cutoff voltage of rechargeable battery, receive the perseverance of charger Determine charging current to charge, cycle life locating for identification rechargeable battery can be passed through on the basis of not reducing charging current Different phase adjusts charge cutoff voltage accordingly, extends the service life of rechargeable battery while guaranteeing charging rate, Improve the usage experience of user.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings Obtain other attached drawings.
Fig. 1 shows the charging method schematic diagrames that the embodiment of the present invention one provides;
Fig. 2 indicates charging method schematic diagram provided by Embodiment 2 of the present invention;
Fig. 3 indicates the mobile terminal schematic diagram one that the embodiment of the present invention three provides;
Fig. 4 indicates the mobile terminal schematic diagram two that the embodiment of the present invention three provides;
Fig. 5 indicates the mobile terminal schematic diagram three that the embodiment of the present invention three provides;
Fig. 6 indicates the mobile terminal schematic diagram four that the embodiment of the present invention three provides;
Fig. 7 indicates the mobile terminal schematic diagram five that the embodiment of the present invention three provides;
Fig. 8 shows the mobile terminal block diagrams that the embodiment of the present invention four provides;
Fig. 9 indicates the mobile terminal block diagram that the embodiment of the present invention five provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figure 1, the charging method that the embodiment of the present invention one provides, is applied to mobile terminal, comprising:
Step 101, the rechargeable battery for counting mobile terminal electricity reach the first number of recharge cycles of preset value.
The calculation of number of recharge cycles are as follows: when the electricity of rechargeable battery reaches a hundred percent, determine and complete once Charging cycle.Such as: the electricity of rechargeable battery has reached absolutely then secondary charging by 0 percent when mobile terminal charges Corresponding number of recharge cycles is 1;When mobile terminal charging, the electricity of rechargeable battery has reached percent by 20 percent 90, then the corresponding number of recharge cycles of this time charging is 0.7.
When the electricity of rechargeable battery for counting mobile terminal reaches the first number of recharge cycles of preset value, need by The corresponding number of recharge cycles of each charging process before this is added, and obtain and value is the first number of recharge cycles.
Step 102 is searched and the in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage Corresponding first charge cutoff voltage of one number of recharge cycles, wherein higher number of recharge cycles is corresponding in matching relationship table Charge cutoff voltage, be less than or equal to the corresponding charge cutoff voltage of lower number of recharge cycles.
After the electricity of statistics rechargeable battery reaches the first number of recharge cycles of preset value, filled according to the first of acquisition It is corresponding that electric cycle-index obtains the first number of recharge cycles in matching relationship table of the number of recharge cycles with charge cutoff voltage The first charge cutoff voltage.
Wherein, it is stored with number of recharge cycles in the matching relationship table of number of recharge cycles and charge cutoff voltage and fills The corresponding relationship of electric blanking voltage, and the corresponding charge cutoff voltage of higher number of recharge cycles is less than lower charging cycle The corresponding charge cutoff voltage of number;Or the corresponding charge cutoff voltage of higher number of recharge cycles is equal to lower charging The corresponding charge cutoff voltage of cycle-index.
Specifically, can be multiple charging cycles time in the matching relationship table of number of recharge cycles and charge cutoff voltage The number of the corresponding charge cutoff voltages of number, the corresponding number of recharge cycles of each charge cutoff voltage can be identical, can also be with It is different.
Such as: the charge cutoff voltage stored in the matching relationship table of number of recharge cycles and charge cutoff voltage includes 4 It is a, respectively 4.4V, 4.39V, 4.37V and 4.35V;Corresponding charge cutoff voltage when number of recharge cycles is between 1~50 For 4.4V;Corresponding charge cutoff voltage is 4.39V when number of recharge cycles is between 51~100;Number of recharge cycles is 101 Corresponding charge cutoff voltage is 4.37V when between~150;Corresponding charging is cut when number of recharge cycles is between 151~200 Only voltage is 4.35V.
After obtaining the first charge cutoff voltage corresponding with the first number of recharge cycles, step 103 is executed.
Step 103, the charge cutoff voltage that rechargeable battery is arranged are the first charge cutoff voltage, receive what charger provided Constant charge current charges.
The charging of rechargeable battery is cut according to the first charge cutoff voltage corresponding with the first number of recharge cycles of acquisition Only voltage is adjusted, so that the blanking voltage of rechargeable battery adjusted is the first charge cutoff voltage.Guarantee charge cutoff Voltage is consistently less than the maximum charge blanking voltage that rechargeable battery can bear, thus not reducing rechargeable battery charging rate Meanwhile slowing down the degree of the irreversible side reaction of electricity caused by analysing lithium because of battery, extend the service life of lithium ion battery, protects Demonstrate,prove the security performance of lithium ion battery.
After setting the first charge cutoff voltage for the charge cutoff voltage of rechargeable battery, the perseverance that charger provides is received Determine charging current to charge.
It should be noted that during the charging process, the charging current that charger provides will not change, therefore charge It is a fixed value that the electricity of battery, which is changed to absolutely time span by zero, i.e., the electricity of rechargeable battery becomes in the unit time Change amount is a determining value.
Such as: during the charging process, the electricity of rechargeable battery as 0 a length of 60 points when being changed to required for a hundred percent Clock, then when required for the electricity of rechargeable battery being changed to 50 percent, be changed to 70 percent as 20 percent as 0 Length is 30 minutes.
The embodiment of the present invention one, the electricity by counting rechargeable battery reach the first number of recharge cycles of preset value, The first charging corresponding with the first number of recharge cycles is searched in the matching relationship table of number of recharge cycles and charge cutoff voltage Blanking voltage, and after setting the first charge cutoff voltage for the charge cutoff voltage of rechargeable battery, receive the perseverance of charger Determine charging current to charge, cycle life locating for identification rechargeable battery can be passed through on the basis of not reducing charging current Different phase adjusts charge cutoff voltage accordingly, extends the service life of rechargeable battery while guaranteeing charging rate, Improve the usage experience of user.
Embodiment two
As described in Figure 2, charging method provided by Embodiment 2 of the present invention is applied to mobile terminal, comprising:
Step 201, the attribute according to rechargeable battery, total number of recharge cycles that rechargeable battery is supported are divided into M Continuously and not stacking stage.
A kind of component (such as electricity that can recorde number of recharge cycles is introduced in the rechargeable battery circuit of mobile terminal Count IC or Charge Management IC).According to the characteristic of Li-Ion rechargeable battery, total charging cycle time that rechargeable battery is supported is obtained Number, the total number of recharge cycles for then being supported rechargeable battery are divided into that M is continuous and not stacking stage.
Such as: total number of recharge cycles that rechargeable battery is supported is 200 times, and the blanking voltage of Li-Ion rechargeable battery is sent out Corresponding number of recharge cycles is respectively the 51st time, the 100th time and the 148th time when changing.Then total number of recharge cycles is drawn It is divided into 4 continuously and stacking stage, this four-stage is not respectively as follows: number of recharge cycles 1~50 time corresponding stage A, charging Cycle-index 51~99 times corresponding stage B, number of recharge cycles 100~147 times corresponding stage C and charging cycle time Number 148~200 times corresponding stage D.
Step 202, setting charge cutoff voltage corresponding with each stage, and establish each stage and cut with corresponding charging The only matching relationship of voltage.
It is continuous and not after stacking stage that M is divided into the total number of recharge cycles for being supported rechargeable battery, according to Corresponding charge cutoff voltage of each stage is arranged in the characteristic of Li-Ion rechargeable battery, establishes each stage and corresponding charging The matching relationship of blanking voltage.
Wherein, there is charge cutoff voltage corresponding compared with the stage of high reps, no more than the stage pair with lower number The charge cutoff voltage answered.
Such as: by total number of recharge cycles be divided into 4 it is continuous, be not overlapped and number of recharge cycles successively raised rank It is 4.4V for the corresponding charge cutoff voltage of number of recharge cycles in stage A after section A, stage B, stage C and stage D, It is 4.39V for the corresponding charge cutoff voltage of number of recharge cycles in stage B, for the number of recharge cycles in stage C Corresponding charge cutoff voltage is 4.37V, is 4.35V for the corresponding charge cutoff voltage of number of recharge cycles in stage D. Charge cutoff voltage corresponding compared with the stage of high reps is less than the stage corresponding charge cutoff voltage of lower number at this time.
For the number of recharge cycles for belonging to same stage, the corresponding charge cutoff voltage of each number of recharge cycles Identical, for the number of recharge cycles of different phase, charge cutoff voltage is reduced with the increase of number of recharge cycles.
Can also continue to divide on the basis of stage A, by stage A be divided into number of recharge cycles 1~25 time it is corresponding Stage A1 and number of recharge cycles 26~50 times corresponding stage A2, charge cutoff corresponding compared with the stage of high reps is electric at this time Pressure is equal to the stage corresponding charge cutoff voltage of lower number.
The first time segment length that step 203, the electricity for obtaining rechargeable battery are changed to preset value by zero.
During the charging process, charger provide charging current will not change, therefore the electricity of charging current by Zero be changed to absolutely time span be a fixed value, i.e., in the unit time electric quantity change amount of rechargeable battery be one determine Value.The time span that the electricity for obtaining rechargeable battery in charging process is changed to preset value by zero is first time segment length.This In preset value be absolutely.
The corresponding charging duration of each charging process in the n times charging process that step 204, statistics have occurred.
The corresponding charging duration of each charging process in the n times charging process occurred before statistics, when obtaining N number of charging It is long.
Step 205, the ratio for calculating separately each charging duration Yu first time segment length obtain N number of first reference value.
For N number of charging duration, the ratio of each charging duration Yu first time segment length is calculated separately, obtains N number of the One reference value.
Step 206, the sum of N number of first reference value that adds up obtain the first number of recharge cycles.
N number of first reference value of acquisition is added up, gained and value are the first number of recharge cycles.
Step 207 determines the first stage that the first number of recharge cycles is belonged to.
The first stage that the first number of recharge cycles is belonged to is searched in M continuous and nonoverlapping stages, is then held Row step 208.
Step 208, according to the matching relationship in each stage and corresponding charge cutoff voltage, search corresponding with the first stage The first charge cutoff voltage.
According to the matching relationship in each stage and corresponding charge cutoff voltage, obtains the first number of recharge cycles and belonged to First stage corresponding first charge cutoff voltage, determine the first charge cutoff voltage be the first number of recharge cycles cut-off Voltage.
Step 209, the charge cutoff voltage that rechargeable battery is arranged are the first charge cutoff voltage, receive what charger provided Constant charge current charges.
The charging of rechargeable battery is cut according to the first charge cutoff voltage corresponding with the first number of recharge cycles of acquisition Only voltage is adjusted, so that the blanking voltage of rechargeable battery adjusted is the first charge cutoff voltage.Guarantee charge cutoff Voltage is consistently less than the maximum charge blanking voltage that rechargeable battery can bear, thus not reducing rechargeable battery charging rate Meanwhile slowing down the degree of the irreversible side reaction of electricity caused by analysing lithium because of battery, extend the service life of lithium ion battery, protects Demonstrate,prove the security performance of lithium ion battery.It is reception after the first charge cutoff voltage in the charge cutoff voltage of setting rechargeable battery The constant charge current that charger provides charges.
It should be noted that the embodiment of the present invention also provides a kind of charging modes, specifically:
Before the rechargeable battery of mobile terminal is charged, the charging times that rechargeable battery is supported are determined;
For charging process each time, corresponding charge cutoff voltage is set;
When the rechargeable battery of mobile terminal is charged, determine that corresponding second charging is cut according to the number currently to charge Only voltage, and the charge cutoff voltage for adjusting rechargeable battery is the second charge cutoff voltage.
Specifically, needing to obtain the charging times that rechargeable battery is supported before mobile terminal charging.Such as: charging The charging times that battery can be supported are 500 times, determine corresponding charge cutoff voltage for charging process each time.It is wherein more The corresponding charge cutoff voltage of secondary charging process can be identical.
The charging times 500 that rechargeable battery can be supported are divided into 5 stages, the corresponding charging times of stage a are 1~ 100 times, the corresponding charging times of stage b are 101~200 times, and the corresponding charging times of stage c are 201~300 times, d pairs of the stage The charging times answered are 301~400 times, and the corresponding charging times of stage e are 401~500 times.Wherein the charging of same stage is cut Only voltage is identical, and mobile terminal charging times corresponding in the 3rd charging and in the 49th charging belong to stage a, Then in the 3rd charging, the corresponding charging in the 49th charging is cut corresponding charge cutoff voltage mobile terminal with mobile terminal Only voltage is identical.
In mobile terminal charging process, it is first determined the number currently to charge, the number for then determining and currently charging Corresponding second charge cutoff voltage, the charge cutoff voltage that rechargeable battery is arranged is the second charge cutoff voltage, receives charging The constant charge current that device provides charges.
The embodiment of the present invention two, the electricity by counting rechargeable battery reach the first number of recharge cycles of preset value, The first charging corresponding with the first number of recharge cycles is searched in the matching relationship table of number of recharge cycles and charge cutoff voltage Blanking voltage, and after setting the first charge cutoff voltage for the charge cutoff voltage of rechargeable battery, receive the perseverance of charger Determine charging current to charge, cycle life locating for identification rechargeable battery can be passed through on the basis of not reducing charging current Different phase adjusts charge cutoff voltage accordingly, extends the service life of rechargeable battery while guaranteeing charging rate, Improve the usage experience of user.
Embodiment three
It is not detailed in the embodiment of mobile terminal the following are a kind of embodiment for mobile terminal that the embodiment of the present invention three provides The detail content described to the greatest extent, reference can be made to the above method embodiment.
The embodiment of the present invention provides a kind of mobile terminal, as shown in figure 3, mobile terminal 300 includes:
Statistical module 301 reaches the first charging cycle of preset value for counting the electricity of rechargeable battery of mobile terminal Number;
Searching module 302, in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage Search the first charge cutoff voltage corresponding with the first number of recharge cycles, wherein higher charging cycle in matching relationship table The corresponding charge cutoff voltage of number is less than or equal to the corresponding charge cutoff voltage of lower number of recharge cycles;
First processing module 303, the charge cutoff voltage for rechargeable battery to be arranged is the first charge cutoff voltage, is received The constant charge current that charger provides charges.
Wherein, as shown in figure 4, statistical module 301 includes:
Acquisition submodule 3011, the first time segment length that the electricity for obtaining rechargeable battery is changed to preset value by zero Degree;
Statistic submodule 3012, when for counting the corresponding charging of each charging process in the n times charging process occurred It is long;
First computational submodule 3013 is obtained for calculating separately the ratio of each charging duration Yu first time segment length Obtain N number of first reference value;
Second computational submodule 3014, for adding up, the sum of N number of first reference value obtains the first number of recharge cycles.
Wherein, as shown in figure 5, mobile terminal further include:
Determining module 304 before being charged for the rechargeable battery in mobile terminal, determines that rechargeable battery can be supported Charging times;
Setup module 305, for corresponding charge cutoff voltage to be arranged for charging process each time;
Second processing module 306, for when the rechargeable battery of mobile terminal is charged, according to the number currently to charge The charge cutoff voltage for determining corresponding second charge cutoff voltage, and adjusting rechargeable battery is the second charge cutoff voltage.
Wherein, as shown in fig. 6, mobile terminal further include:
Division module 307 reaches preset value for counting the electricity of rechargeable battery of mobile terminal in statistical module 301 Before first number of recharge cycles, according to the attribute of rechargeable battery, total number of recharge cycles that rechargeable battery is supported is divided For M is continuous and not stacking stage;
Third processing module 308, for corresponding with each stage charge cutoff voltage to be arranged, and establish each stage and The matching relationship of corresponding charge cutoff voltage;
Wherein, there is charge cutoff voltage corresponding compared with the stage of high reps, no more than the stage pair with lower number The charge cutoff voltage answered.
Wherein, as shown in fig. 7, searching module 302 includes:
Determine submodule 3021, the first stage belonged to for determining the first number of recharge cycles;
Search submodule 3022, for the matching relationship according to each stage and corresponding charge cutoff voltage, search and First stage corresponding first charge cutoff voltage.
The embodiment of the present invention three, the electricity by counting rechargeable battery reach the first number of recharge cycles of preset value, The first charging corresponding with the first number of recharge cycles is searched in the matching relationship table of number of recharge cycles and charge cutoff voltage Blanking voltage, and after setting the first charge cutoff voltage for the charge cutoff voltage of rechargeable battery, receive the perseverance of charger Determine charging current to charge, cycle life locating for identification rechargeable battery can be passed through on the basis of not reducing charging current Different phase adjusts charge cutoff voltage accordingly, extends the service life of rechargeable battery while guaranteeing charging rate, Improve the usage experience of user.
Example IV
Fig. 8 is the block diagram of the mobile terminal of another embodiment of the present invention.Mobile terminal 800 shown in Fig. 8 includes: at least One processor 801, memory 802, at least one network interface 804 and other users interface 803.In mobile terminal 800 Various components are coupled by bus system 805.It is understood that bus system 805 is for realizing the company between these components Connect letter.Bus system 805 further includes power bus, control bus and status signal bus in addition in addition to including data/address bus.But It is that various buses are all designated as bus system 805 in fig. 8 for the sake of clear explanation.
Wherein, user interface 803 may include display, keyboard or pointing device (for example, mouse, trace ball (trackball), touch-sensitive plate or touch screen etc..
It is appreciated that the memory 802 in the embodiment of the present invention can be volatile memory or nonvolatile memory, It or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read- Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable Device (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), be used as external high Speed caching.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct Rambus RAM, DRRAM).The memory 802 of system and method described herein is intended to include but is not limited to these and arbitrarily its It is suitble to the memory of type.
In some embodiments, memory 802 stores following element, executable modules or data structures, or Their subset of person or their superset: operating system 8021 and application program 8022.
Wherein, operating system 8021 include various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.Application program 8022 includes various application programs, such as media Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention The program of method may be embodied in application program 8022.
In embodiments of the present invention, by the program or instruction of calling memory 802 to store, specifically, can be application The electricity of the program or instruction stored in program 8022, the rechargeable battery that processor 801 is used to count mobile terminal reaches default First number of recharge cycles of value;It is searched in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage The first charge cutoff voltage corresponding with the first number of recharge cycles, wherein higher number of recharge cycles in matching relationship table Corresponding charge cutoff voltage is less than or equal to the corresponding charge cutoff voltage of lower number of recharge cycles;Setting charging electricity The charge cutoff voltage in pond is the first charge cutoff voltage, receives the constant charge current that charger provides and charges.
The method that the embodiments of the present invention disclose can be applied in processor 801, or be realized by processor 801. Processor 801 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each Step can be completed by the integrated logic circuit of the hardware in processor 801 or the instruction of software form.Above-mentioned processing Device 801 can be general processor, digital signal processor (Digital Signal Processor, DSP), dedicated integrated electricity Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general Processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with institute of the embodiment of the present invention The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor And software module combination executes completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at The step of memory 802, processor 801 reads the information in memory 802, completes the above method in conjunction with its hardware.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its Combination is to realize.For hardware realization, processing unit be may be implemented in one or more specific integrated circuit (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor, In controller, microcontroller, microprocessor, other electronic units for executing herein described function or combinations thereof.
For software implementations, it can be realized herein by executing the module (such as process, function etc.) of function described herein The technology.Software code is storable in memory and is executed by processor.Memory can in the processor or It is realized outside processor.
Optionally, processor 801 is followed in the first charging that the electricity of the rechargeable battery of statistics mobile terminal reaches preset value It when ring number, is also used to: obtaining the first time segment length that the electricity of rechargeable battery is changed to preset value by zero;Statistics has occurred N times charging process in charging process corresponding charging duration every time;Calculate separately each charging duration and first time segment length The ratio of degree obtains N number of first reference value;The sum of N number of first reference value that adds up obtains the first number of recharge cycles.
Optionally, processor 801 is also used to: before the rechargeable battery of mobile terminal is charged, determining rechargeable battery The charging times that can be supported;For charging process each time, corresponding charge cutoff voltage is set;In the charging of mobile terminal When battery is charged, corresponding second charge cutoff voltage is determined according to the number currently to charge, and adjust rechargeable battery Charge cutoff voltage is the second charge cutoff voltage.
Optionally, processor 801 is followed in the first charging that the electricity of the rechargeable battery of statistics mobile terminal reaches preset value Before ring number, be also used to: according to the attribute of rechargeable battery, total number of recharge cycles that rechargeable battery is supported is divided into M A continuous and not stacking stage;Charge cutoff voltage corresponding with each stage is set, and establishes each stage and is filled with corresponding The matching relationship of electric blanking voltage;Wherein, there is charge cutoff voltage corresponding compared with the stage of high reps, it is lower no more than having The stage of number corresponding charge cutoff voltage.
Optionally, processor 801 is in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage When searching the first charge cutoff voltage corresponding with the first number of recharge cycles, it is also used to: determines the first number of recharge cycles institute The first stage of ownership;According to the matching relationship in each stage and corresponding charge cutoff voltage, search corresponding with the first stage The first charge cutoff voltage.
Mobile terminal 800 can be realized each process that mobile terminal is realized in previous embodiment, to avoid repeating, here It repeats no more.
The embodiment of the present invention four, the electricity by counting rechargeable battery reach the first number of recharge cycles of preset value, The first charging corresponding with the first number of recharge cycles is searched in the matching relationship table of number of recharge cycles and charge cutoff voltage Blanking voltage, and after setting the first charge cutoff voltage for the charge cutoff voltage of rechargeable battery, receive the perseverance of charger Determine charging current to charge, cycle life locating for identification rechargeable battery can be passed through on the basis of not reducing charging current Different phase adjusts charge cutoff voltage accordingly, extends the service life of rechargeable battery while guaranteeing charging rate, Improve the usage experience of user.
Embodiment five
Fig. 9 is the structural schematic diagram of the mobile terminal of another embodiment of the present invention.Specifically, the mobile terminal in Fig. 8 900 can be mobile phone, tablet computer, personal digital assistant (Personal Digital Assistant, PDA) or vehicle mounted electric Brain etc..
Mobile terminal 900 in Fig. 9 includes radio frequency (Radio Frequency, RF) circuit 910, memory 920, input Unit 930, display unit 940, processor 960, voicefrequency circuit 970, WiFi (Wireless Fidelity) module 980 and electricity Source 990.
Wherein, input unit 930 can be used for receiving the number or character information of user's input, and generation and mobile terminal The related signal input of 900 user setting and function control.Specifically, in the embodiment of the present invention, which can To include touch panel 931.Touch panel 931, also referred to as touch screen collect the touch operation of user on it or nearby (for example user uses the operations of any suitable object or attachment on touch panel 931 such as finger, stylus), and according to preparatory The formula of setting drives corresponding attachment device.Optionally, touch panel 931 may include touch detecting apparatus and touch controller Two parts.Wherein, the touch orientation of touch detecting apparatus detection user, and touch operation bring signal is detected, by signal Send touch controller to;Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, The processor 960 is given again, and can be received order that processor 960 is sent and be executed.Furthermore, it is possible to using resistance-type, The multiple types such as condenser type, infrared ray and surface acoustic wave realize touch panel 931.In addition to touch panel 931, input unit 930 can also include other input equipments 932, other input equipments 932 can include but is not limited to physical keyboard, function key One of (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc. are a variety of.
Wherein, display unit 940 can be used for showing information input by user or be supplied to the information and movement of user The various menu interfaces of terminal 900.Display unit 940 may include display panel 941, optionally, can use LCD or organic hair The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display panel 941.
It should be noted that touch panel 931 can cover display panel 941, touch display screen is formed, when the touch display screen is examined After measuring touch operation on it or nearby, processor 960 is sent to determine the type of touch event, is followed by subsequent processing device 960 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and common control viewing area.The Application Program Interface viewing area And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with The interface elements such as the icon comprising at least one application program and/or widget desktop control.The Application Program Interface viewing area Or the empty interface not comprising any content.This commonly uses control viewing area for showing the higher control of utilization rate, for example, Application icons such as button, interface number, scroll bar, phone directory icon etc. are set.
Wherein processor 960 is the control centre of mobile terminal 900, utilizes various interfaces and connection whole mobile phone Various pieces, by running or executing the software program and/or module that are stored in first memory 921, and calling storage Data in second memory 922 execute the various functions and processing data of mobile terminal 900, thus to mobile terminal 900 Carry out integral monitoring.Optionally, processor 960 may include one or more processing units.
In embodiments of the present invention, by call store the first memory 921 in software program and/or module and/ Or the data in the second memory 922, the electricity for the rechargeable battery that processor 960 is used to count mobile terminal reach preset value The first number of recharge cycles;Searched in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage with Corresponding first charge cutoff voltage of first number of recharge cycles, wherein higher number of recharge cycles pair in matching relationship table The charge cutoff voltage answered is less than or equal to the corresponding charge cutoff voltage of lower number of recharge cycles;Rechargeable battery is set Charge cutoff voltage be the first charge cutoff voltage, receive charger provide constant charge current charge.
Optionally, processor 960 is followed in the first charging that the electricity of the rechargeable battery of statistics mobile terminal reaches preset value It when ring number, is also used to: obtaining the first time segment length that the electricity of rechargeable battery is changed to preset value by zero;Statistics has occurred N times charging process in charging process corresponding charging duration every time;Calculate separately each charging duration and first time segment length The ratio of degree obtains N number of first reference value;The sum of N number of first reference value that adds up obtains the first number of recharge cycles.
Optionally, processor 960 is also used to: before the rechargeable battery of mobile terminal is charged, determining rechargeable battery The charging times that can be supported;For charging process each time, corresponding charge cutoff voltage is set;In the charging of mobile terminal When battery is charged, corresponding second charge cutoff voltage is determined according to the number currently to charge, and adjust rechargeable battery Charge cutoff voltage is the second charge cutoff voltage.
Optionally, processor 960 is followed in the first charging that the electricity of the rechargeable battery of statistics mobile terminal reaches preset value Before ring number, be also used to: according to the attribute of rechargeable battery, total number of recharge cycles that rechargeable battery is supported is divided into M A continuous and not stacking stage;Charge cutoff voltage corresponding with each stage is set, and establishes each stage and is filled with corresponding The matching relationship of electric blanking voltage;Wherein, there is charge cutoff voltage corresponding compared with the stage of high reps, it is lower no more than having The stage of number corresponding charge cutoff voltage.
Optionally, processor 960 is in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage When searching the first charge cutoff voltage corresponding with the first number of recharge cycles, it is also used to: determines the first number of recharge cycles institute The first stage of ownership;According to the matching relationship in each stage and corresponding charge cutoff voltage, search corresponding with the first stage The first charge cutoff voltage.
The embodiment of the present invention five, the electricity by counting rechargeable battery reach the first number of recharge cycles of preset value, The first charging corresponding with the first number of recharge cycles is searched in the matching relationship table of number of recharge cycles and charge cutoff voltage Blanking voltage, and after setting the first charge cutoff voltage for the charge cutoff voltage of rechargeable battery, receive the perseverance of charger Determine charging current to charge, cycle life locating for identification rechargeable battery can be passed through on the basis of not reducing charging current Different phase adjusts charge cutoff voltage accordingly, extends the service life of rechargeable battery while guaranteeing charging rate, Improve the usage experience of user.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit It connects, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can store program code Medium.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist In protection scope of the present invention.

Claims (8)

1. a kind of charging method is applied to mobile terminal, which is characterized in that the described method includes:
The electricity for counting the rechargeable battery of mobile terminal reaches the first number of recharge cycles of preset value;
It is searched in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage and the first charging cycle time Corresponding first charge cutoff voltage of number, wherein corresponding charge of higher number of recharge cycles is cut in the matching relationship table Only voltage is less than or equal to the corresponding charge cutoff voltage of lower number of recharge cycles;
The charge cutoff voltage that rechargeable battery is arranged is first charge cutoff voltage, receives the constant charging that charger provides Electric current charges;
The step of electricity of rechargeable battery of the statistics mobile terminal reaches the first number of recharge cycles of preset value include:
Obtain the first time segment length that the electricity of rechargeable battery is changed to preset value by zero;
Count the corresponding charging duration of each charging process in the n times charging process occurred;
The ratio of each charging duration Yu first time segment length is calculated separately, N number of first reference value is obtained;
The sum of N number of described first reference value that adds up obtains the first number of recharge cycles.
2. the method according to claim 1, wherein the method also includes:
Before the rechargeable battery of mobile terminal is charged, the charging times that rechargeable battery is supported are determined;
For charging process each time, corresponding charge cutoff voltage is set;
When the rechargeable battery of mobile terminal is charged, corresponding second charge cutoff electricity is determined according to the number currently to charge Pressure, and the charge cutoff voltage for adjusting rechargeable battery is second charge cutoff voltage.
3. the method according to claim 1, wherein the electricity in the rechargeable battery of statistics mobile terminal reaches pre- If before the first number of recharge cycles of value, the method also includes:
According to the attribute of rechargeable battery, total number of recharge cycles that rechargeable battery is supported is divided into M continuously and is not overlapped Stage;
Charge cutoff voltage corresponding with each stage is set, and establishes the matching in each stage with corresponding charge cutoff voltage Relationship;
Wherein, there is charge cutoff voltage corresponding compared with the stage of high reps, it is corresponding no more than the stage with lower number Charge cutoff voltage.
4. according to the method described in claim 3, it is characterized in that, described cut in pre-generated number of recharge cycles and charging Only include: the step of lookup the first charge cutoff voltage corresponding with the first number of recharge cycles in the matching relationship table of voltage
Determine the first stage that the first number of recharge cycles is belonged to;
According to the matching relationship in each stage and corresponding charge cutoff voltage, corresponding with the first stage described the is searched One charge cutoff voltage.
5. a kind of mobile terminal, which is characterized in that the mobile terminal includes:
Statistical module reaches the first number of recharge cycles of preset value for counting the electricity of rechargeable battery of mobile terminal;
Searching module, for being searched in the matching relationship table of pre-generated number of recharge cycles and charge cutoff voltage and the Corresponding first charge cutoff voltage of one number of recharge cycles, wherein higher number of recharge cycles in the matching relationship table Corresponding charge cutoff voltage is less than or equal to the corresponding charge cutoff voltage of lower number of recharge cycles;
First processing module, the charge cutoff voltage for rechargeable battery to be arranged is first charge cutoff voltage, and reception is filled The constant charge current that electric appliance provides charges;
The statistical module includes:
Acquisition submodule, the first time segment length that the electricity for obtaining rechargeable battery is changed to preset value by zero;
Statistic submodule, for counting the corresponding charging duration of each charging process in the n times charging process occurred;
First computational submodule obtains N number of first for calculating separately the ratio of each charging duration Yu first time segment length Reference value;
Second computational submodule, for adding up, the sum of N number of described first reference value obtains the first number of recharge cycles.
6. mobile terminal according to claim 5, which is characterized in that the mobile terminal further include:
Determining module before being charged for the rechargeable battery in mobile terminal, determines the charging time that rechargeable battery is supported Number;
Setup module, for corresponding charge cutoff voltage to be arranged for charging process each time;
Second processing module is determined pair according to the number currently to charge for when the rechargeable battery of mobile terminal is charged The second charge cutoff voltage answered, and the charge cutoff voltage for adjusting rechargeable battery is second charge cutoff voltage.
7. mobile terminal according to claim 5, which is characterized in that the mobile terminal further include:
Division module, what the electricity for the rechargeable battery in the statistical module counts mobile terminal reached preset value first fills Before electric cycle-index, according to the attribute of rechargeable battery, total number of recharge cycles that rechargeable battery is supported is divided into M company Continuous and not stacking stage;
Third processing module, for corresponding with each stage charge cutoff voltage to be arranged, and establish each stage with it is corresponding The matching relationship of charge cutoff voltage;
Wherein, there is charge cutoff voltage corresponding compared with the stage of high reps, it is corresponding no more than the stage with lower number Charge cutoff voltage.
8. mobile terminal according to claim 7, which is characterized in that the searching module includes:
Determine submodule, the first stage belonged to for determining the first number of recharge cycles;
Submodule is searched, for the matching relationship according to each stage and corresponding charge cutoff voltage, is searched and described first Stage corresponding first charge cutoff voltage.
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CN108521155B (en) * 2018-05-09 2020-10-02 清华大学 Electric vehicle charging early warning method and system
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CN110247453A (en) * 2019-06-26 2019-09-17 联想(北京)有限公司 A kind of control method, device, equipment and medium
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CN110649675A (en) * 2019-09-26 2020-01-03 Oppo(重庆)智能科技有限公司 Charging control method and device, electronic equipment and computer readable storage medium
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