CN105553036B - A kind of device and method of quick charge - Google Patents

A kind of device and method of quick charge Download PDF

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Publication number
CN105553036B
CN105553036B CN201610079149.2A CN201610079149A CN105553036B CN 105553036 B CN105553036 B CN 105553036B CN 201610079149 A CN201610079149 A CN 201610079149A CN 105553036 B CN105553036 B CN 105553036B
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charging
voltage
charged
charge
stage
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CN105553036A (en
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袁敏
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Nubia Technology Co Ltd
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Nubia Technology 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
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007Regulation of charging or discharging current or voltage

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

Abstract

The invention discloses a kind of device and method of quick charge, including:Control module and charging module;N number of charge cutoff voltage is obtained according to the initial voltage value of device to be charged and final charge cutoff voltage by control module, and divide N number of charging stage according to N number of charge cutoff voltage, it is one or more pulse charging periods that each charging stage, which is respectively divided, by each charging stage of the charging module in N number of charging stage, charging unit is treated according to one or more pulse charging periods that the charging stage is divided into charge, device to be charged can be caused to be rapidly achieved the charge cutoff voltage of charging stage within the unit pulse time, and pass through charging stage by stage and be rapidly achieved final charge cutoff voltage, and then accelerate the charging time of device to be charged, improve the Experience Degree of user.

Description

A kind of device and method of quick charge
Technical field
The present invention relates to electronic technology field, espespecially a kind of device and method of quick charge.
Background technology
At present, with the development of mobile terminal, more and more people like the mobile terminal that can be carried out wireless communication, Daily communication function can not only be met, the application of magnanimity can also be used, such as:It is clear that webpage is carried out using mobile terminal Look at, social networking application, game, study etc., but with mobile terminal frequency of use increase, it is necessary to often charge.
In the prior art, charging flow can be divided into trickle, constant current and constant voltage charging phase.It is flowed according to existing charging Journey, it will usually using after detecting that cell voltage reaches constant-voltage charge electrical voltage point, immediately enter constant-voltage charge and maintain perseverance The pressure stage, until cut-off condition terminates charging after meeting.
But the charging time can be caused long using the prior art, in the case where user is badly in need of electricity consumption, it is unable to reach fast If the purpose of speed charging using the fast charge chip of customization, can lose the capacity of battery, reduce stand-by time, reduce use The Experience Degree at family.
Invention content
In order to solve the above technical problem, the present invention provides a kind of device and method of quick charge, can shorten and fill The electric time, improve user experience.
In order to reach the object of the invention, in a first aspect, the present invention provides a kind of device of quick charge, the device packet It includes:Control module and charging module;
The control module, for being less than preset final charge cutoff when the initial voltage value for determining device to be charged During voltage, N number of charge cutoff voltage is obtained, and according to described N number of according to the initial voltage value and final charge cutoff voltage Charge cutoff voltage divides N number of charging stage, and it is one or more pulse charging periods that each charging stage, which is respectively divided, In, n-th charge cutoff voltage is final charge cutoff voltage, and the pulse charging period includes a scheduled pulse Unit interval and a scheduled interpulse period, N are positive integer;
The charging module for each charging stage in N number of charging stage, is drawn according to the charging stage The one or more pulse charging periods being divided into treat charging unit and charge, wherein, i-th of charging stage is according to The matched constant-current charge electric current of charge cutoff voltage institute of i charging stage treats charging unit and charges, in i-th of charging When the charging voltage in stage reaches corresponding blanking voltage, stopping treats charging unit and charges, during j-th of pulse charging Section is the matched constant-current charge electric current of charge cutoff voltage institute according to i-th of charging stage in j-th of scheduled unit pulse It treats charging unit in time to charge, the charging voltage within j-th of scheduled unit pulse time reaches corresponding section Only stop treating charging unit and charging during voltage or within j-th of scheduled interpulse period, be any in 1~N A integer, j are any of 1~M integers, and M is the number of pulse charging period, and M is greater than or equal to 1 and less than or equal to N.
An embodiment of the present invention provides a kind of device of quick charge, including:Control module and charging module;Pass through control Module obtains N number of charge cutoff voltage according to the initial voltage value of device to be charged and final charge cutoff voltage, and according to institute It states N number of charge cutoff voltage and divides N number of charging stage, determine that each charging stage is divided into one or more pulseds and fills respectively The electric period, by each charging stage of the charging module in N number of charging stage, one be divided into according to the charging stage A or multiple pulse charging periods treat charging unit and charge, and are filled so as to be rapidly achieved within the unit pulse time The charge cutoff voltage in electric stage, and then the charging time of device to be charged is accelerated, improve the Experience Degree of user.
Further, described device further includes:Detection module;
The detection module is used for the initial voltage value for detecting the device to be charged and the voltage in charging process Value and current value.
The initial voltage value of device to be charged and the voltage value in charging process and electric current are detected by detection module Value, consequently facilitating knowing the charged state of the device to be charged, also avoided in the case of large current charge, to the circulating battery longevity Life and energy density have an impact, and then accelerate the charging time of device to be charged, improve the Experience Degree of user.
As described above, the charging module is additionally operable to reach most when voltage value of the device to be charged in charging process During the charge cutoff voltage at end, stop the charging module according to scheduled time span and the device to be charged is filled Electricity.
It charges to eliminate to the device to be charged according to the stopping of scheduled time span by charging module and treat Polarization inside charging unit battery core.
As described above, the charging module is additionally operable to be not less than finally when the initial voltage value for determining the device to be charged Charge cutoff voltage when or according to scheduled time span stopping charge to the device to be charged after, treated to described Charging unit carries out constant-voltage charge according to final charge cutoff voltage, until electricity of the device to be charged in charging process Flow valuve meets preset final charging limit electric current.
Charging unit is treated by charging module and yet further carries out constant-voltage charge, can cause the device to be charged Electricity more saturation, to increase the usage time of user.
As described above, the N is 3, the M is 1.
The N and the optimal value of M summarized by practical operation, can cause device quick charge to be charged to reach final charging Blanking voltage, and then the charging time of device to be charged is shortened, improve the Experience Degree of user.
Second aspect, the present invention provides a kind of quick method, this method includes:
When the initial voltage value for determining device to be charged is less than preset final charge cutoff voltage, according to it is described just Beginning voltage value and final charge cutoff voltage obtain N number of charge cutoff voltage, and divide N according to N number of charge cutoff voltage A charging stage, it is one or more pulse charging periods that each charging stage, which is respectively divided, wherein, n-th charge cutoff Voltage is final charge cutoff voltage, and the pulse charging period includes a scheduled unit pulse time and one pre- Fixed interpulse period, N are positive integer;
Each charging stage in N number of charging stage, the one or more being divided into according to the charging stage The pulse charging period treats charging unit and charges, wherein, i-th of charging stage is filling according to i-th charging stage The matched constant-current charge electric current of electric blanking voltage institute treats charging unit and charges, until in the charging of i-th of charging stage When voltage reaches corresponding blanking voltage, stopping treats charging unit and charges, and j-th of pulse charging period is according to the The matched constant-current charge electric current of charge cutoff voltage institute of i charging stage is treated within j-th of scheduled unit pulse time Charging unit charges, until the charging voltage within j-th of scheduled unit pulse time reaches corresponding blanking voltage When or within j-th of scheduled interpulse period, stopping treats charging unit and charges, and i is whole for any of 1~N Number, j are any of 1~M integers, and M is the number of pulse charging period, and M is greater than or equal to 1 and less than or equal to N.
An embodiment of the present invention provides a kind of method of quick charge, by the initial voltage value according to device to be charged and Final charge cutoff voltage obtains N number of charge cutoff voltage, and divides N number of charging stage according to N number of charge cutoff voltage, Determine that each charging stage is divided into one or more pulse charging periods, and every in N number of charging stage respectively A charging stage treats charging unit according to one or more pulse charging periods that the charging stage is divided into and is filled Electricity so as to be rapidly achieved the charge cutoff voltage of charging stage within the unit pulse time, and then accelerates dress to be charged The charging time put improves the Experience Degree of user.
Further, this method further includes:Detect the initial voltage value of the device to be charged and in charging process Voltage value and current value.
By detecting the initial voltage value of device to be charged and the voltage value in charging process and current value, so as to just In the charged state for knowing the device to be charged, also avoid in the case of large current charge, to battery cycle life and energy Density has an impact, and then accelerates the charging time of device to be charged, improves the Experience Degree of user.
As described above, when voltage value of the device to be charged in charging process reaches final charge cutoff voltage When, it charges according to the stopping of scheduled time span to the device to be charged.
Device to be charged can be eliminated by charging according to the stopping of scheduled time span to the device to be charged Polarization inside battery core.
As described above, when determine the initial voltage value of the device to be charged not less than final charge cutoff voltage or After charging according to the stopping of scheduled time span to the device to be charged, the device to be charged is filled according to final Electric blanking voltage carries out constant-voltage charge, until current value of the device to be charged in charging process meet it is preset final Charging limit electric current.
Constant-voltage charge is yet further carried out by treating charging unit, can cause the electricity of the device to be charged more Saturation, to increase the usage time of user.
As described above, the N is 3, the M is 1.
The N and the optimal value of M summarized by practical operation, can cause device quick charge to be charged to reach final charging Blanking voltage, and then the charging time of device to be charged is shortened, improve the Experience Degree of user.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights Specifically noted structure is realized and is obtained in claim and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this The embodiment of application technical solution for explaining the present invention together, does not form the limitation to technical solution of the present invention.
The hardware architecture diagram of Fig. 1 each optional mobile terminals of embodiment one to realize the present invention;
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1;
Fig. 3 is a kind of structure diagram of the device embodiment one of quick charge provided by the invention;
Fig. 4 is a kind of flow diagram of the embodiment of the method one of quick charge provided by the invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The mobile terminal of each embodiment of the present invention is realized in description with reference to the drawings.In subsequent description, use For representing the suffix of such as " module ", " component " or " unit " of element only for being conducive to the explanation of the present invention, itself There is no specific meanings.Therefore, " module " can be used mixedly with " component ".
Mobile terminal can be implemented in a variety of manners.For example, terminal described in the present invention can include such as moving Phone, smart phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP The mobile terminal of (portable media player), navigation device etc. and such as number TV, desktop computer etc. are consolidated Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that in addition to being used in particular for moving Except the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 to realize the present invention the mobile terminal of each embodiment hardware configuration signal.
Mobile terminal 100 can include wireless communication unit 110, A/V (audio/video) input unit 120, user's input Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power supply unit 190 Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups shown Part.More or fewer components can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
Sensing unit 140 detects the current state of mobile terminal 100, (for example, mobile terminal 100 opens or closes shape State), the position of mobile terminal 100, user is for the presence or absence of contact (that is, touch input) of mobile terminal 100, mobile terminal 100 orientation, the acceleration or deceleration movement of mobile terminal 100 and direction etc., and generate to control mobile terminal 100 The order of operation or signal.For example, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing unit 140 can sense The sliding-type phone is to open or close.In addition, sensing unit 140 can detect power supply unit 190 whether provide electric power or Whether person's interface unit 170 couples with external device (ED).Sensing unit 140, which can include proximity sensor 1410, to be combined below Touch screen is described this.
Display unit 151 may be displayed on the information handled in mobile terminal 100.For example, when mobile terminal 100 is in electricity When talking about call mode, display unit 151 can be shown with conversing or other communicating (for example, text messaging, multimedia file Download etc.) relevant user interface (UI) or graphic user interface
(GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display unit 151 can be with The image for showing the image captured and/or reception, the UI or GUI for showing video or image and correlation function etc..
Meanwhile when display unit 151 and touch tablet in the form of layer it is superposed on one another to form touch screen when, display unit 151 may be used as input unit and output device.Display unit 151 can include liquid crystal display (LCD), thin film transistor (TFT) In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least It is a kind of.Some in these displays may be constructed such that transparence so that user to be allowed to be watched from outside, this is properly termed as transparent Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific Desired embodiment, mobile terminal 100 can include two or more display units (or other display devices), for example, moving Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detection to touch Input pressure and touch input position and touch input area.
Audio output module 152 can mobile terminal be in call signal reception pattern, call mode, logging mode, Speech recognition mode, broadcast reception mode are that wireless communication unit 110 is received or in memory 160 when under isotypes The audio data transducing audio signal of middle storage and output are sound.Moreover, audio output module 152 can provide and movement The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that terminal 100 performs. Audio output module 152 can include loud speaker, buzzer etc..
Alarm unit 153 can provide output notifying event to mobile terminal 100.Typical event can be with Including calling reception, message sink, key signals input, touch input etc..Other than audio or video exports, alarm unit 153 can provide output with the generation of notification event in different ways.For example, alarm unit 153 can be in the form of vibration Output is provided, when receiving calling, message or some other entrance communications (incomingcommunication), alarm list Member 153 can provide tactile output (that is, vibration) to notify to user.It is exported by tactile as offer, even if When the mobile phone of user is in the pocket of user, user also can recognize that the generation of various events.Alarm unit 153 The output of the generation of notification event can be provided via display unit 151 or audio output module 152.
Memory 160 can store software program that the processing performed by controller 180 and control operate etc., Huo Zheke Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And And memory 160 can be stored about the vibrations of various modes and audio signal exported when touching and be applied to touch screen Data.
Memory 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, more Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random-access storage Device (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc..Moreover, mobile terminal 100 can be with performing memory by network connection The network storage device cooperation of 160 store function.
The overall operation of the usually control mobile terminal of controller 180.For example, controller 180 performs and voice communication, data Communication, video calling etc. relevant control and processing.In addition, controller 180 can include reproducing (or playback) more matchmakers The multi-media module 1810 of volume data, multi-media module 1810 can be constructed in controller 180 or be can be structured as and control Device 180 processed detaches.Controller 180 can be with execution pattern identifying processing, by the handwriting input performed on the touchscreen or figure Piece draws input and is identified as character or image.
Power supply unit 190 receives external power or internal power under the control of controller 180 and provides operation each member Appropriate electric power needed for part and component.
Various embodiments described herein can with use such as computer software, hardware or any combination thereof calculating Machine readable medium is implemented.Hardware is implemented, embodiment described herein can be by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can Programming gate array (FPGA), controller, microcontroller, microprocessor, is designed to perform function described herein processor At least one of electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180. For software implementation, the embodiment of such as process or function can be with allowing to perform the individual of at least one functions or operations Software module is implemented.Software code can by the software application (or program) write with any appropriate programming language Lai Implement, software code can be stored in memory 160 and be performed by controller 180.
So far, oneself according to its function through describing mobile terminal.In the following, for the sake of brevity, will description such as folded form, Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc., which is used as, to be shown Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 may be constructed such that using via frame or grouping transmission data it is all if any Line and wireless communication system and satellite-based communication system operate.
The communication system that can be operated referring now to Fig. 2 descriptions mobile terminal wherein according to the present invention.
Such communication system can use different air interface and/or physical layer.For example, used by communication system Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system System (UMTS) (particularly, long term evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under The description in face is related to cdma communication system, but such introduction is equally applicable to other types of system.
With reference to figure 2, cdma wireless communication system can include multiple mobile terminals 100, multiple base stations (BS) 270, base station Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN) 290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link. Back haul link can be constructed according to any one of several known interfaces, the interface include such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system as shown in Figure 2 can include multiple BSC2750.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of direction specific direction Each subregion of line covering is radially far from BS270.Alternatively, each subregion can by be used for diversity reception two or more Antenna covers.Each BS270, which may be constructed such that, supports multiple frequency distribution, and each frequency distribution has specific frequency spectrum (for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed, which intersects, can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Alternatively, each subregion of specific BS270 can be claimed For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to the mobile terminal operated in system by broadcsting transmitter (BT) 295 100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 100 to receive the broadcast sent by BT295 Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.The help of satellite 300 positions multiple mobile terminals At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that, any number of satellite can be utilized to obtain useful Location information.GPS module 115 as shown in Figure 1 is generally configured to coordinate with satellite 300 to be believed with obtaining desired positioning Breath.It substitutes GPS tracking techniques or except GPS tracking techniques, the other of the position that can track mobile terminal can be used Technology.In addition, at least one GPS satellite 300 can optionally or additionally handle satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminals 100 Signal.Mobile terminal 100 usually participates in call, information receiving and transmitting and other types of communication.Certain base station 270 receives each anti- It is handled in specific BS270 to link signal.The data of acquisition are forwarded to relevant BSC275.BSC provides call Resource allocation and the mobile management function of coordination including the soft switching process between BS270.The number that BSC275 will also be received According to MSC280 is routed to, the additional route service for forming interface with PSTN290 is provided.Similarly, PSTN290 with MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 correspondingly controls BS270 with by forward link signals It is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, the embodiment of the present invention be mainly used in GSM, CDMA, PHS, SCDMA, 3G, 4G, 5G etc. carry the mobile terminal that can be carried out wireless communication of device to be charged, which can With lithium ion battery, button cell, Ni-MH battery, nickel-cadmium cell etc., the mobile terminal can be smart mobile phone, smartwatch, Hand-held set, tablet computer etc., but be not limited thereto.
The present embodiments relate to device and method, it is intended to solve in the prior art battery charge time it is long, with In the case that electricity consumption is badly in need of at family, it is unable to reach the purpose technical problem of quick charge.
Technical scheme of the present invention is described in detail with specifically embodiment below.These specific implementations below Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 3 is a kind of structure diagram of the device embodiment one of quick charge provided by the invention, as shown in figure 3, packet It includes:Control module 10 and charging module 20;
The control module 10, for being cut when the initial voltage value for determining device to be charged less than preset final charging Only during voltage, N number of charge cutoff voltage is obtained, and according to the N according to the initial voltage value and final charge cutoff voltage A charge cutoff voltage divides N number of charging stage, and it is one or more pulse charging periods that each charging stage, which is respectively divided, Wherein, n-th charge cutoff voltage is final charge cutoff voltage, and the pulse charging period includes a scheduled arteries and veins Unit interval and a scheduled interpulse period are rushed, N is positive integer;
Specifically, the control module 10 is cut in the Initial Voltage Value for determining device to be charged less than preset final charging Only during voltage, N number of charge cutoff electricity can be obtained according to the Initial Voltage Value of the device to be charged and final charge cutoff voltage Pressure, this N number of charge cutoff voltage can be pre-set, such as:The Initial Voltage Value of device to be charged is V1, when V1 is small When final charge cutoff voltage V2, the control module 10 can get 3 charge cutoff voltages be respectively V3, V4, V5, and 3 charging stages are divided according to this 3 blanking voltages, the blanking voltage of the 3rd charging stage is final charge cutoff Voltage, i.e. V5 are equal to V2, are then respectively divided into one or more pulse charging period T each charging stage again, wherein, The pulse charging period includes scheduled unit pulse time T1 and a scheduled interpulse period T2, N are Positive integer, it is preferred that each charging stage divides a pulse charging period, can reduce the charging time in this way, quickly reach To charge cutoff voltage, but it is not limited to this.
The charging module 20, for each charging stage in N number of charging stage, according to the charging stage The one or more pulse charging periods being divided into treat charging unit and charge, wherein, i-th of charging stage be according to The matched constant-current charge electric current of charge cutoff voltage institute of i-th of charging stage treats charging unit and charges, and is filled at i-th When the charging voltage in electric stage reaches corresponding blanking voltage, stopping treats charging unit and charges, j-th of pulse charging Period is the matched constant-current charge electric current of charge cutoff voltage institute according to i-th of charging stage in j-th of scheduled pulse list Charging unit is treated in the time of position to charge, the charging voltage within j-th of scheduled unit pulse time reaches corresponding Stop during blanking voltage or within j-th of scheduled interpulse period treating charging unit and charge, i is to appoint in 1~N One integer, j are any of 1~M integers, and M is the number of pulse charging period, and M is greater than or equal to 1 and is less than or equal to N。
Specifically, each charging stage of the charging module 20 in N number of charging stage, according to the charging rank One or more pulse charging periods that section is divided into treat charging unit and charge, and continue the example above explanation, wherein, 1st charging stage is to treat to fill according to the matched constant-current charge electric current I3 of charge cutoff voltage V3 institutes of the 1st charging stage Electric installation charges, and when the charging voltage V of the 1st charging stage reaches corresponding blanking voltage V3, stops to be charged Device charges, and the 1st pulse charging period is the matched perseverance of charge cutoff voltage V3 institutes according to the 1st charging stage Current charge electric current I3 treats charging unit in the 1st scheduled unit pulse time T1 and charges, in the 1st scheduled arteries and veins When the charging voltage rushed in unit interval T1 reaches corresponding blanking voltage V3 or in the 1st scheduled interpulse period T2 Interior stopping treats charging unit and charges, and i is any of 1~N integers, and j is pulsed for any of 1~M integer, M The number of charge period, M are greater than or equal to 1 and less than or equal to N.
It is specifically, again that the procedure declaration of practical application is as follows:
It needs to carry out the battery of mobile terminal quick charge now, control module 10 determines the first of the both ends of the battery Beginning voltage value is 4.25V, and final charge cutoff voltage is 4.4V, and limitation electric current is 60mA, which can basis The initial voltage value 4.25V of the battery come with final charge cutoff voltage 4.4V come obtain 2 charge cutoff voltage 4.35V and 4.4V is divided to two charging stages according to acquired charge cutoff voltage, and the first charging stage, preset blanking voltage can be 4.35V, the second charging stage preset blanking voltage can be 4.4V, and the first charging stage was divided into 2 pulseds Second charging stage was divided into 1 pulse charging period by charge period, the pulse charging period preset unit pulse Time is 9 seconds, and preset interpulse period is 1 second, is then filled in the first charging stage according to described by charging module 20 Electric divided stages into 2 pulse charging periods treat charging unit and charge, according to described in the second charging stage 1 pulse charging period that charging stage is divided into treats charging unit and charges, wherein the first charging stage was matched Standard charging current can be 1.6C, the matched standard charging current of the second charging stage institute can be 0.7C, simplify entire Charging process is described as follows:
First charging stage:It fills and stops within 9 seconds 1 second in high current 1.6C constant currents, blanking voltage is arranged on 4.35V;
Second charging stage:Stop within 9 seconds 1 second in high current 0.7C constant-current charges, blanking voltage is arranged on 4.4V;
By the way that charging process using the method being combined stage by stage with point pulsed charge period, can be caused to be charged Device is rapidly achieved the charge cutoff voltage of charging stage within the unit pulse time, and passes through charging stage by stage and be rapidly achieved most Whole charge cutoff voltage, and then the charging time of device to be charged is accelerated, improve the Experience Degree of user.
An embodiment of the present invention provides a kind of device of quick charge, including:Control module and charging module;Pass through control Module obtains N number of charge cutoff voltage according to the initial voltage value of device to be charged and final charge cutoff voltage, and according to institute It states N number of charge cutoff voltage and divides N number of charging stage, when each charging stage is respectively divided as one or more pulse chargings Section, by each charging stage of the charging module in N number of charging stage, be divided into according to the charging stage one or Multiple pulse charging periods treat charging unit and charge, and can so that device to be charged is quick within the unit pulse time Reach the charge cutoff voltage of charging stage, and pass through charging stage by stage and be rapidly achieved final charge cutoff voltage, Jin Erjia The fast charging time of device to be charged improves the Experience Degree of user.
Further, on the basis of above-described embodiment, which further includes:Detection module 30;
The detection module 30 is used for the initial voltage value for detecting the device to be charged and the electricity in charging process Pressure value and current value.
Specifically, the detection module 30 is used for the Initial Voltage Value for detecting device to be charged and the electricity in charging process Pressure value and current value consequently facilitating control module 10 controls the charging process of device to be charged, also allow for charging module 20 to sentence Whether the charging voltage in disconnected charging process meets corresponding charge cutoff voltage, and whether the charging current in charging process meets Charging limit electric current can also carry out test verification charge-discharge magnification, blanking voltage, limitation electric current, cross to break through and the performances such as put and be So as to avoid in the case of large current charge in scheduled range, to battery cycle life and energy density Have an impact, but it is not limited to this.
The initial voltage value of device to be charged and the voltage value in charging process and electricity are detected by detection module 30 Flow valuve consequently facilitating knowing the charged state of the device to be charged, is also avoided in the case of large current charge, to circulating battery Service life and energy density have an impact, and then accelerate the charging time of device to be charged, improve the Experience Degree of user.
Further, on the basis of above-described embodiment, the charging module 20 is additionally operable to exist when the device to be charged When voltage value in charging process reaches final charge cutoff voltage, stop according to scheduled time span to described to be charged Device charges.
Specifically, charging module 20 is additionally operable to fill when device to be charged reaches final in the voltage value in charging process During electric blanking voltage, it can stop charging to the device to be charged according to scheduled time span, such as:It can be according to The time stopping of 30 seconds treats charging unit and charges, so as to eliminate the polarization inside device battery core to be charged.
The device to be charged is charged and can be eliminated according to the stopping of scheduled time span by charging module 20 Polarization inside device battery core to be charged.
Further, on the basis of above-described embodiment, the charging module 20 is additionally operable to when the determining dress to be charged It waits to fill to described when the initial voltage value put is not less than final charge cutoff voltage or according to the stopping of scheduled time span After electric installation is charged, constant-voltage charge is carried out according to final charge cutoff voltage to the device to be charged, until described Current value of the device to be charged in charging process meets final charging limit electric current.
Specifically, charging module 20 is not less than final charge cutoff when the initial voltage value for determining the device to be charged During voltage, continue the example above explanation, i.e. when V1 is equal to V2 or V1 more than V2, the voltage value of the device to be charged, which is met, to be treated The voltage value of charging unit, it is possible that the current value with charging unit reaches final charging limit electric current not yet, It is full to illustrate that the device to be charged does not fill, this when carries out the device to be charged according to final charge cutoff voltage V2 Constant-voltage charge, until the current value of the device to be charged in charging process meets final charging limit electric current, that is, representing should Device to be charged fill it is full, in addition, the charging unit 20 complete according to scheduled time span stop to described to be charged After device is charged, i.e., after being eliminated to the battery core internal polarization after the device to be charged stage by stage constant-current charge, further Constant-voltage charge is carried out according to final charge cutoff voltage V2 with charging unit to this, until the device to be charged is in charging process In current value meet final charging limit electric current, that is, it is full to represent that the device to be charged fills.
Constant-voltage charge is yet further carried out by treating charging unit, can cause the electricity of the device to be charged more Saturation, to increase the usage time of user.
Further, on the basis of above-described embodiment, the N is 3, and the M is 1.
Specifically, the charging module 20 to test system carry out constant-current charge when, the N of preset N number of charging stage Value also should not be too big, it is preferred that 3 stages are suitable, and also unsuitable for the M values of M pulse charging period It is too big, it is preferred that 1 pulse charging period be it is suitable, below will be as follows in the procedure declaration of practical application:
It needs to carry out quick charge to the battery of mobile terminal now, the both ends of the battery is detected by detection module 30 Initial voltage value for 4.14V, final charge cutoff voltage is 4.4V, and limitation electric current is 60mA, the control module 10 3 charge cutoff voltages are obtained for 4.4V according to the initial voltage value 4.14V and final charge cutoff voltage of the battery, this three A charge cutoff voltage is respectively:4.15V, 4.25V, 4.4V divide three charging ranks according still further to these three charge cutoff voltages Section, the first charging stage preset blanking voltage can be 4.15V, and the second charging stage, preset blanking voltage can be 4.25V, third charging stage preset blanking voltage can be 4.4V, then each charging stage is divided into 1 pulsed and is filled The electric period, in the charge period using corresponding charge cutoff voltage matched constant-current charge electric current to the dress to be charged It puts and charges, wherein the matched standard charging current of charge cutoff voltage 4.15V institutes of the first charging stage can be 1.6C, The matched standard charging current of charge cutoff voltage 4.25V institutes of second charging stage can be 1.5C, the third charging stage The matched standard charging current of charge cutoff voltage 4.4V institutes can be 0.7C, wherein, the pulse list of the pulse charging period The position time can be 9 seconds, and interpulse period is 1 second, i.e., each charging stage charged according to 9 seconds, stop charging, then lead within 1 second Crossing the charging module 20 can be when determining that voltage of the device to be charged in charging process meets final blanking voltage 4.4V, so Afterwards, stop charging to the device to be charged according to the time of 30 seconds, after charging time satisfaction is stopped, waiting to fill to described Electric installation carries out constant-voltage charge according to final blanking voltage 4.4V, until electric current of the device to be charged in charging process Value meets final charging limit electric current 60mA, and whole process is described as follows below:
First stage:It fills and stops within 9 seconds 1 second in high current 1.6C constant currents, blanking voltage is arranged on 4.15V;
Second stage:Stop within 9 seconds 1 second in high current 1.5C constant-current charges, blanking voltage is arranged on 4.25V;
Phase III:Stop within 9 seconds 1 second in high current 0.7C constant-current charges, blanking voltage is arranged on 4.4V;
Fourth stage;Stop 30 seconds;
5th stage:4.4V constant pressures are to cut-off current 60mA.
The N and the optimal value of M summarized by practical operation, can cause device quick charge to be charged to reach final charging Blanking voltage, and then the charging time of device to be charged is shortened, improve the Experience Degree of user.
It should be noted that control module 10 can set controller 180 in Fig. 1 in device provided by the invention In, charging module 20 can be set in power supply unit 190 in Fig. 1, and detection module 30 can set sensing list in Fig. 1 In member 140.
Fig. 4 is a kind of flow diagram of the embodiment of the method one of quick charge provided by the invention, as shown in figure 4, should Method includes:
S101, when the initial voltage value for determining device to be charged is less than preset final charge cutoff voltage, according to The initial voltage value and final charge cutoff voltage obtain N number of charge cutoff voltage, and according to N number of charge cutoff voltage N number of charging stage is divided, it is one or more pulse charging periods that each charging stage, which is respectively divided, wherein, n-th charging Blanking voltage is final charge cutoff voltage, and the pulse charging period includes a scheduled unit pulse time and one A scheduled interpulse period, N are positive integer.
Specifically, specifically, it is less than preset final charge cutoff electricity in the Initial Voltage Value for determining device to be charged During pressure, can N number of charge cutoff voltage be obtained according to the Initial Voltage Value of the device to be charged and final charge cutoff voltage, this N number of charge cutoff voltage can be pre-set, such as:The Initial Voltage Value of device to be charged is V1, when V1 is less than most During whole charge cutoff voltage V2, it is V3, V4, V5 respectively which, which can get in 3 charge cutoff voltages, and 3 charging stages are divided according to this 3 blanking voltages, the blanking voltage of the 3rd charging stage is final charge cutoff voltage, That is V5 is equal to V2, is then respectively divided into one or more pulse charging period T each charging stage again, wherein, it is described It is just whole that the pulse charging period, which includes scheduled unit pulse time T1 and a scheduled interpulse period T2, N, Number, it is preferred that each charging stage divides a pulse charging period, can reduce the charging time in this way, be rapidly achieved and fill Electric blanking voltage, but it is not limited to this.
S102, each charging stage in N number of charging stage, one be divided into according to the charging stage or Multiple pulse charging periods treat charging unit and charge, wherein, i-th of charging stage is according to i-th of charging stage The matched constant-current charge electric current of charge cutoff voltage institute treat charging unit and charge, until in i-th charging stage When charging voltage reaches corresponding blanking voltage, stopping treats charging unit and charges, j-th of pulse charging period be by According to i-th charging stage the matched constant-current charge electric current of charge cutoff voltage institute within j-th of scheduled unit pulse time It treats charging unit to charge, until the charging voltage within j-th of scheduled unit pulse time reaches corresponding cut-off During voltage or within j-th of scheduled interpulse period, stopping treats charging unit and charges, and i is any in 1~N A integer, j are any of 1~M integers, and M is the number of pulse charging period, and M is greater than or equal to 1 and less than or equal to N.
Specifically, each charging stage in N number of charging stage, one be divided into according to the charging stage Or multiple pulse charging periods treat charging unit and charge, and continue the example above explanation, wherein, the 1st charging stage It is to treat charging unit according to the matched constant-current charge electric current I3 of charge cutoff voltage V3 institutes of the 1st charging stage to be filled Electricity, when the charging voltage V of the 1st charging stage reaches corresponding blanking voltage V3, stopping treats charging unit and charges, 1st pulse charging period is the matched constant-current charge electric current I3 of charge cutoff voltage V3 institutes according to the 1st charging stage Charging unit is treated in the 1st scheduled unit pulse time T1 to charge, in the 1st scheduled unit pulse time T1 Stop treating filling when interior charging voltage reaches corresponding blanking voltage V3 or in the 1st scheduled interpulse period T2 Electric installation charges, and i is any of 1~N integers, and j is any of 1~M integers, and M is of pulse charging period Number, M are greater than or equal to 1 and less than or equal to N.
It is specifically, again that the procedure declaration of practical application is as follows:
It needs to carry out quick charge, the initial voltage value at the both ends that the battery is determined to the battery of mobile terminal now For 4.25V, final charge cutoff voltage is 4.4V, and limitation electric current is 60mA, which can be according to the battery Initial voltage value 4.25V with final charge cutoff voltage 4.4V obtains 2 charge cutoff voltages 4.35V and 4.4V, root It is divided to two charging stages according to acquired charge cutoff voltage, the first charging stage preset blanking voltage can be 4.35V, the Two charging stages preset blanking voltage can be 4.4V, and the first charging stage was divided into 2 pulse charging periods, Second charging stage was divided into 1 pulse charging period, the pulse charging period preset unit pulse time is 9 Second, preset interpulse period is 1 second, is then drawn in the first charging stage according to the charging stage by charging module 20 2 pulse charging periods being divided into charge to the battery, are divided in the second charging stage according to the charging stage Into 1 pulse charging period charge to the battery, wherein the matched standard charging current of the first charging stage institute can Think 1.6C, the matched standard charging current of the second charging stage institute can be 0.7C, simplify the description of entire charging process such as Under:
First charging stage:It fills and stops within 9 seconds 1 second in high current 1.6C constant currents, blanking voltage is arranged on 4.35V;
Second charging stage:Stop within 9 seconds 1 second in high current 0.7C constant-current charges, blanking voltage is arranged on 4.4V;
By the way that charging process using the method being combined stage by stage with point pulsed charge period, can be caused to be charged Device is rapidly achieved the charge cutoff voltage of charging stage within the unit pulse time, and passes through charging stage by stage and be rapidly achieved most Whole charge cutoff voltage, and then the charging time of device to be charged is accelerated, improve the Experience Degree of user.
An embodiment of the present invention provides a kind of method of quick charge, by the initial voltage value according to device to be charged and Final charge cutoff voltage obtains N number of charge cutoff voltage, and divides N number of charging stage according to N number of charge cutoff voltage, Each charging stage is respectively divided as one or more pulse charging periods, each charging in N number of charging stage Stage treats charging unit according to one or more pulse charging periods that the charging stage is divided into and charges, can So that device to be charged is rapidly achieved the charge cutoff voltage of charging stage within the unit pulse time, and passes through and fill stage by stage Electricity is rapidly achieved final charge cutoff voltage, and then accelerates the charging time of device to be charged, improves the experience of user Degree.
Further, it on the basis of above-described embodiment, further, further includes:Detect the first of the device to be charged Beginning voltage value and voltage value and current value in charging process.
Specifically, the Initial Voltage Value of device to be charged and the voltage value in charging process and electric current can be detected Value consequently facilitating control the charging process of device to be charged, also allows for judging whether the charging voltage in charging process meets pair Whether the charge cutoff voltage answered, the charging current in charging process meet charging limit electric current, can also carry out test verification Charge-discharge magnification, limitation electric current, is crossed and breaks through that the performances such as to put be in scheduled range, so as to avoid blanking voltage In the case of large current charge, have an impact to battery cycle life and energy density, but it is not limited to this.
By detecting the initial voltage value of device to be charged and the voltage value in charging process and current value, so as to just In the charged state for knowing the device to be charged, also avoid in the case of large current charge, to battery cycle life and energy Density has an impact, and then accelerates the charging time of device to be charged, improves the Experience Degree of user.
Further, it on the basis of above-described embodiment, further includes:When electricity of the device to be charged in charging process When pressure value reaches final charge cutoff voltage, charge according to the stopping of scheduled time span to the device to be charged.
Specifically, when device to be charged is when the voltage value in charging process reaches final charge cutoff voltage, it can With according to scheduled time span stopping charge to the device to be charged, such as:It can stop according to the time of 30 seconds It treats charging unit to charge, so as to eliminate the polarization inside device battery core to be charged.
Device to be charged can be eliminated by charging according to the stopping of scheduled time span to the device to be charged Polarization inside battery core.
Further, it on the basis of above-described embodiment, is additionally operable to when the initial voltage value for determining the device to be charged It charges during not less than final charge cutoff voltage or according to the stopping of scheduled time span to the device to be charged Afterwards, constant-voltage charge is carried out according to final charge cutoff voltage to the device to be charged, until the device to be charged is filling Current value in electric process meets final charging limit electric current.
Specifically, when the initial voltage value for determining the device to be charged is not less than final charge cutoff voltage, after Continuous the example above explanation, i.e. when V1 is equal to V2 or V1 more than V2, the voltage value of the device to be charged meets device to be charged Voltage value, it is possible that the current value with charging unit reaches final charging limit electric current not yet, i.e., explanation should Device to be charged does not fill full, carries out constant pressure according to final charge cutoff voltage V2 to the device to be charged this when and fills Electricity until the current value of the device to be charged in charging process meets final charging limit electric current, that is, represents that this is to be charged Device fill it is full, in addition, according to scheduled time span stopping charge to the device to be charged after, i.e., to this Device to be charged is after the battery core internal polarization after constant-current charge is eliminated stage by stage, further to the band charging unit according to final Charge cutoff voltage V2 carry out constant-voltage charge, until current value of the device to be charged in charging process meets final fill Electricity limitation electric current, that is, it is full to represent that the device to be charged fills.
Constant-voltage charge is yet further carried out by treating charging unit, can cause the electricity of the device to be charged more Saturation, to increase the usage time of user.
Further, on the basis of above-described embodiment, the N is 3, and the M is 1.
Specifically, the charging module 20 to test system carry out constant-current charge when, the N of preset N number of charging stage Value also should not be too big, it is preferred that 3 stages are suitable, and also unsuitable for the M values of M pulse charging period It is too big, it is preferred that 1 pulse charging period is suitable.
The N and the optimal value of M summarized by practical operation, can cause device quick charge to be charged to reach final charging Blanking voltage, and then the charging time of device to be charged is shortened, improve the Experience Degree of user.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row His property includes, so that process, method, article or device including a series of elements not only include those elements, and And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or device institute Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this Also there are other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on such understanding, technical scheme of the present invention substantially in other words does the prior art Going out the part of contribution can be embodied in the form of software product, which is stored in a storage medium In (such as ROM/RAM, magnetic disc, CD), used including some instructions so that a station terminal equipment (can be mobile phone, computer takes Be engaged in device, air conditioner or the network equipment etc.) perform method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills Art field, is included within the scope of the present invention.

Claims (10)

1. a kind of device of quick charge, which is characterized in that including:Control module and charging module;
The control module, for being less than preset final charge cutoff voltage when the initial voltage value for determining device to be charged When, N number of charge cutoff voltage is obtained, and according to N number of charging according to the initial voltage value and final charge cutoff voltage Blanking voltage divides N number of charging stage, and it is one or more pulse charging periods that each charging stage, which is respectively divided, wherein, N-th charge cutoff voltage is final charge cutoff voltage, and the pulse charging period includes a scheduled pulse list Position time and a scheduled interpulse period, N are positive integer;
The charging module for each charging stage in N number of charging stage, is divided into according to the charging stage One or more pulse charging periods treat charging unit and charge, wherein, i-th of charging stage is according to i-th The matched constant-current charge electric current of charge cutoff voltage institute of charging stage treats charging unit and charges, rank of charging at i-th When the charging voltage of section reaches corresponding blanking voltage, stopping treats charging unit and charges, j-th of pulse charging period It is the matched constant-current charge electric current of charge cutoff voltage institute according to i-th charging stage in j-th of scheduled unit pulse In treat charging unit and charge, the charging voltage within j-th of scheduled unit pulse time reaches corresponding cut-off Stop during voltage or within j-th of scheduled interpulse period treating charging unit and charge, i is any of 1~N Integer, j are any of 1~M integers, and M is the number of pulse charging period, and M is greater than or equal to 1 and less than or equal to N.
2. the apparatus according to claim 1, which is characterized in that further include:Detection module;
The detection module be used to detect the device to be charged initial voltage value and voltage value in charging process and Current value.
3. the apparatus of claim 2, which is characterized in that the charging module is additionally operable to exist when the device to be charged When voltage value in charging process reaches final charge cutoff voltage, stop according to scheduled time span to described to be charged Device charges.
4. the apparatus of claim 2, which is characterized in that the charging module is additionally operable to when the determining dress to be charged It waits to fill to described when the initial voltage value put is not less than final charge cutoff voltage or according to the stopping of scheduled time span After electric installation is charged, constant-voltage charge is carried out according to final charge cutoff voltage to the device to be charged, until described Current value of the device to be charged in charging process meets final charging limit electric current.
5. the apparatus according to claim 1, which is characterized in that the N is 3, and the M is 1.
A kind of 6. method of quick charge, which is characterized in that including:
When the initial voltage value for determining device to be charged is less than preset final charge cutoff voltage, according to the initial electricity Pressure value and final charge cutoff voltage obtain N number of charge cutoff voltage, and divide N number of fill according to N number of charge cutoff voltage In the electric stage, it is one or more pulse charging periods that each charging stage, which is respectively divided, wherein, n-th charge cutoff voltage For final charge cutoff voltage, the pulse charging period includes a scheduled unit pulse time and one scheduled Interpulse period, N are positive integer;
Each charging stage in N number of charging stage, the one or more pulses being divided into according to the charging stage Formula charge period treats charging unit and charges, wherein, i-th of charging stage is cut according to the charging of i-th of charging stage Only the matched constant-current charge electric current of voltage institute treats charging unit and charges, until in the charging voltage of i-th of charging stage When reaching corresponding blanking voltage, stopping treats charging unit and charges, and j-th of pulse charging period is according to i-th The matched constant-current charge electric current of charge cutoff voltage institute of charging stage is within j-th of scheduled unit pulse time to be charged Device charges, until when charging voltage within j-th of scheduled unit pulse time reaches corresponding blanking voltage or Person within j-th of scheduled interpulse period, treat charging unit and charge by stopping, and i is any of 1~N integers, j For any of 1~M integers, M is the number of pulse charging period, and M is greater than or equal to 1 and less than or equal to N.
7. it according to the method described in claim 6, it is characterized in that, further includes:Detect the initial voltage of the device to be charged Value and voltage value and current value in charging process.
8. it the method according to the description of claim 7 is characterized in that further includes:When the device to be charged is in charging process Voltage value when reaching final charge cutoff voltage, the device to be charged is filled according to the stopping of scheduled time span Electricity.
9. it according to the method described in claim 8, it is characterized in that, further includes:When the initial electricity for determining the device to be charged Stop carrying out the device to be charged when pressure value is not less than final charge cutoff voltage or according to scheduled time span After charging, constant-voltage charge is carried out according to final charge cutoff voltage to the device to be charged, until the device to be charged Current value in charging process meets final charging limit electric current.
10. according to the method described in claim 6, it is characterized in that, the N is 3, the M is 1.
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CN107612076A (en) * 2017-09-27 2018-01-19 宁德时代新能源科技股份有限公司 Battery charging method, device, equipment and storage medium
CN111406353A (en) * 2018-09-29 2020-07-10 Oppo广东移动通信有限公司 Quick charging method and device for battery, equipment to be charged and charging system
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