CN105974321A - Charging completion time remaining calculating apparatus and method thereof - Google Patents
Charging completion time remaining calculating apparatus and method thereof Download PDFInfo
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- CN105974321A CN105974321A CN201610272593.6A CN201610272593A CN105974321A CN 105974321 A CN105974321 A CN 105974321A CN 201610272593 A CN201610272593 A CN 201610272593A CN 105974321 A CN105974321 A CN 105974321A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
Abstract
The invention discloses a charging completion time remaining calculating apparatus and a method thereof and relates to the mobile terminal technology field. The apparatus comprises an acquisition module, a linearization module and a calculating module, wherein the acquisition module is used for acquiring a relation curve of a current and time in a complete cell charging process; the linearization module is used for carrying out linearization processing on the relation curve of the current and the time so as to acquire a reference relation table; the calculating module is used for reading a current cell charging current and a current cell voltage and calculating remaining time of charging completion of the cell according to the reference relation table. In the invention, according to an experience value, a charging curve is acquired; according to the current cell charging current and the current cell voltage, the remaining time of charging completion is acquired and a good experience is provided for a user.
Description
Technical field
The present invention relates to technical field of mobile terminals, particularly relate to a kind of charging complete and calculate device and side remaining time
Method.
Background technology
The charging scenarios of mobile terminal be user through commonly used scene, user be intended to can more quick charge, so,
If can accurately provide charge completion time during charging, just can improve user's charging scenarios and experience.Mobile terminal lithium cell charging
Process includes trickle, constant current, constant-voltage charge, constant-current phase electric current substantially constant, charging interval relatively good calculating, but constant-voltage charge
Time electric current be the curve gradually decreased, be not straight line, so charging interval more difficult calculating.
Summary of the invention
Present invention is primarily targeted at a kind of charging complete of proposition and calculate device and method remaining time, it is possible to according to warp
Test and be worth to charging curve, and according to the current charging current of battery and battery current voltage, obtain charging complete remaining time, giving
User is with good experience.
For achieving the above object, a kind of charging complete that the present invention provides calculates device remaining time, including:
Acquisition module, for obtaining electric current and the time curve of the complete charging process of battery；
Linearization block, for described electric current and time curve are carried out linearization process, obtains benchmark relation table；
Computing module, is used for reading the current charging current of battery and battery current voltage, and according to described benchmark relation table
Calculate the charging complete remaining time of described battery.
Alternatively, described benchmark relation table includes: segment time interval, benchmark charging current, electric current are interval, benchmark residue
Time and sequence number, described sequence number and benchmark charging current and benchmark one_to_one corresponding remaining time.
Alternatively, computing module includes:
Voltage reads unit, is used for reading battery current voltage Vb；
Judging unit, for judging whether described battery current voltage Vb is not less than the charging voltage threshold value of described battery
Vc；
First computing unit, for when described battery current voltage Vb is not less than charging voltage threshold value Vc of described battery
Time, then it represents that battery is currently at constant voltage charging phase, and described charging complete is equal to constant voltage charging time remaining time；Read electricity
Current charging current If in pond, obtains sequence number k that described current charging current If is corresponding, according to described from described benchmark relation table
Current charging current And if sequence number k are calculated constant voltage charging time；
Second computing unit, during for being less than charging voltage threshold value Vc of described battery as described battery current voltage Vb,
Represent that battery is currently at constant-current charging phase, described charging complete remaining time equal to constant voltage charging time with constant-current charge time
Between sum.
Alternatively, described constant voltage charging time tmComputing formula be:
Wherein, If is current charging current, and k is the sequence number that current charging current If is corresponding in described benchmark relation table,
xkFor the benchmark charging current that sequence number k is corresponding in benchmark relation table, ykThe benchmark corresponding in benchmark relation table for sequence number k remains
The remaining time.
Alternatively, described constant-current charge time tnComputing formula be:
tn=(Ra-Rcv-Ra*C1)/If
Wherein, Ra is battery total capacity, and Rcv is constant-voltage charge capacity, and C1 is battery current capacities；
The computing formula of described constant-voltage charge capacity Rcv is:
Wherein, i=0 ..., k-1, T are segment time interval.
As another aspect of the present invention, it is provided that a kind of charging complete computational methods remaining time, including:
Obtain electric current and the time curve of the complete charging process of battery；
Described electric current and time curve are carried out linearization process, obtains benchmark relation table；
Read the current charging current of battery and battery current voltage, and calculate described battery according to described benchmark relation table
Charging complete remaining time.
Alternatively, described benchmark relation table includes: segment time interval, benchmark charging current, electric current are interval, benchmark residue
Time and sequence number, described sequence number and benchmark charging current and benchmark one_to_one corresponding remaining time.
Alternatively, the described current charging current of reading battery and battery current voltage, and according to described benchmark relation table meter
The charging complete calculating described battery includes remaining time:
Read battery current voltage Vb；
Judge whether described battery current voltage Vb is not less than charging voltage threshold value Vc of described battery；
If, then it represents that battery is currently at constant voltage charging phase, and described charging complete is equal to constant-voltage charge remaining time
Time；Read current charging current If of battery, from described benchmark relation table, obtain the sequence that described current charging current If is corresponding
Number k, is calculated constant voltage charging time according to described current charging current And if sequence number k；
If described battery current voltage Vb is less than charging voltage threshold value Vc of described battery, represent that battery is currently at constant current
Charging stage, described charging complete is equal to constant voltage charging time and constant-current charge time sum remaining time.
Alternatively, described constant voltage charging time tmComputing formula be:
Wherein, If is current charging current, and k is the sequence number that current charging current If is corresponding in described benchmark relation table,
xkFor the benchmark charging current that sequence number k is corresponding in benchmark relation table, ykThe benchmark corresponding in benchmark relation table for sequence number k remains
The remaining time.
Alternatively, described constant-current charge time tnComputing formula be:
tn=(Ra-Rcv-Ra*C1)/If
Wherein, Ra is battery total capacity, and Rcv is constant-voltage charge capacity, and C1 is battery current capacities；
The computing formula of described constant-voltage charge capacity Rcv is:
Wherein, i=0 ..., k-1, T are segment time interval.
A kind of charging complete that the present invention proposes calculates device and method remaining time, and this device includes: acquisition module, uses
In the electric current and the time curve that obtain the complete charging process of battery；Linearization block, for closing with the time described electric current
It is that curve carries out linearization process, obtains benchmark relation table；Computing module, is used for reading the current charging current of battery and battery is worked as
Front voltage, and the charging complete remaining time of described battery is calculated according to described benchmark relation table, the present invention can be rule of thumb
It is worth to charging curve, and according to the current charging current of battery and battery current voltage, obtains charging complete remaining time, giving and using
Family is with good experience.
Accompanying drawing explanation
Fig. 1 is the hardware architecture diagram realizing each one optional mobile terminal of embodiment of the present invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
A kind of charging complete that Fig. 3 provides for the embodiment of the present invention one calculates device exemplary block diagram remaining time；
Battery current that Fig. 4 provides for the embodiment of the present invention one and time history；
Fig. 5 is the battery current after Fig. 4 carries out linearization process and time history；
A kind of charging complete that Fig. 6 provides for the embodiment of the present invention two calculates device exemplary block diagram remaining time；
A kind of charging complete computational methods remaining time flow chart that Fig. 7 provides for the embodiment of the present invention three；
A kind of charging complete computational methods remaining time flow chart that Fig. 8 provides for the embodiment of the present invention four.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In follow-up description, the suffix of such as " module ", " parts " or " unit " for representing element is used to be only
Be conducive to the explanation of the present invention, itself do not have a specific meaning.Therefore, " module " can mixedly make with " parts "
With.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and consolidating of such as numeral TV, desk computer etc.
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, mobile except being used in particular for
Outside the element of purpose, structure according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is the hardware architecture diagram realizing each one optional mobile terminal of embodiment of the present invention.
Mobile terminal 100 can include wireless communication unit 110, A/V (audio/video) input block 120, user's input
Unit 130, sensing unit 140, output unit 150, memorizer 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assembly, it should be understood that be not required for implementing all groups illustrated
Part.Can alternatively implement more or less of assembly.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assembly, and it allows mobile terminal 100 and wireless communication system
Or the radio communication between network.Such as, wireless communication unit can include mobile communication module 112, wireless Internet mould
At least one in block 113, short range communication module 114.
Mobile communication module 112 sends radio signals to base station (such as, access point, node B etc.), exterior terminal
And in server at least one and/or receive from it radio signal.Such radio signal can include that voice leads to
Words signal, video calling signal or the various types of data sending according to text and/or Multimedia Message and/or receiving.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can include WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
Tooth TM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee TM etc..
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include photographic head 121
With mike 1220, photographic head 121 in Video Capture pattern or image capture mode by image capture apparatus obtain quiet
The view data of state picture or video processes.Picture frame after process may be displayed on display unit 151.Through photographic head
Picture frame after 121 process can be stored in memorizer 160 (or other storage medium) or via wireless communication unit 110
It is transmitted, two or more photographic head 1210 can be provided according to the structure of mobile terminal.Mike 122 can lead at phone
Words pattern, logging mode, speech recognition mode etc. operational mode receives sound (voice data), and energy via mike
Enough is voice data by such acoustic processing.Audio frequency (voice) data after process can be in the case of telephone calling model
Be converted to be sent to the form output of mobile communication base station via mobile communication module 112.Mike 122 can be implemented various
The noise of type eliminates (or suppression) algorithm with making an uproar that elimination (or suppression) produces during receiving and send audio signal
Sound or interference.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user's input
Plant operation.User input unit 130 allows user to input various types of information, and can include keyboard, metal dome, touch
Plate (such as, detection due to touched and cause resistance, pressure, the sensitive component of change of electric capacity etc.), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close 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
Orientation, the acceleration or deceleration of mobile terminal 100 of 100 move and direction etc., and generate for controlling mobile terminal 100
The order of operation or signal.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing unit 140 can sense
This sliding-type phone opens or cuts out.It addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).
Interface unit 170 is used as at least one external device (ED) and is connected, with mobile terminal 100, the interface that can pass through.Such as,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, for connect have the port of device of identification module, audio frequency input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage is for verifying that user uses each of mobile terminal 100
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..It addition, the device (hereinafter referred to as " identifying device ") with identification module can be to take the form of smart card, therefore, know
Other device can be connected with mobile terminal 100 via port or other attachment means.Interface unit 170 may be used for receive from
The input (such as, data message, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 100
One or more elements or may be used between mobile terminal and external device (ED) transmit data.
It addition, when mobile terminal 100 is connected with external base, interface unit 170 can serve as allowing electricity by it
Power provides the path of mobile terminal 100 from base or can serve as allowing from the various command signals of base input by it
It is transferred to the path of mobile terminal.May serve as identifying that mobile terminal is from various command signals or the electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio frequency and/or tactile manner
Go out signal (such as, audio signal, video signal, alarm signal, vibration signal etc.).Output unit 150 can include display
Unit 151, dio Output Modules 152 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 100.Such as, it is in electricity when mobile terminal 100
During words call mode, display unit 151 can show and call or other (such as, text messaging, multimedia file that communicate
Download etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern
Or during image capture mode, display unit 151 can show image and/or the image of reception of capture, illustrate video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and touch pad the most superposed on one another with formed touch screen time, display unit
151 can serve as input equipment 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
A kind of.Some in these display may be constructed such that transparence is watched from outside with permission user, and this is properly termed as transparent
Display, typical transparent display can for example, TOLED (transparent organic light emitting diode) display etc..According to specific
The embodiment wanted, mobile terminal 100 can include two or more display units (or other display device), such as, move
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detection and touches
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal receive pattern, call mode, logging mode,
Time under the isotype such as speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or at memorizer 160
The voice data transducing audio signal of middle storage and be output as sound.And, dio Output Modules 152 can provide with mobile
The audio frequency output (such as, call signal receives sound, message sink sound etc.) that the specific function that terminal 100 performs is relevant.
Dio Output Modules 152 can include speaker, buzzer etc..
Memorizer 160 can store the process performed by controller 180 and the software program controlling operation etc., or can
Temporarily to store the data (such as, telephone directory, message, still image, video etc.) that oneself maybe will export through output.And
And, memorizer 160 can with storage about when touch be applied to touch screen time the vibration of various modes of output and audio signal
Data.
Memorizer 160 can include that the storage medium of at least one type, described storage medium include flash memory, hard disk, many
Media card, card-type memorizer (such as, SD or DX memorizer etc.), random access storage device (RAM), static random-access store
Device (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 100 can be connected execution memorizer with by network
The network storage device cooperation of the storage function of 160.
Controller 180 generally controls the overall operation of mobile terminal.Such as, controller 180 performs and voice call, data
Control that communication, video calling etc. are relevant and process.It addition, controller 180 can include for reproducing (or playback) many matchmakers
The multi-media module 1810 of volume data, multi-media module 1810 can construct in controller 180, or it is so structured that with control
Device 180 processed separates.Controller 180 can perform pattern recognition process, with the handwriting input that will perform on the touchscreen or figure
Sheet is drawn input and is identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Suitable electric power needed for part and assembly.
Various embodiment described herein can be to use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implementing for hardware, 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
Program gate array (FPGA), processor, controller, microcontroller, microprocessor, be designed to perform function described herein
At least one in electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
Software is implemented, the embodiment of such as process or function can with allow to perform the single of at least one function or operation
Software module is implemented.Software code can be come by the software application (or program) write with any suitable programming language
Implementing, software code can be stored in memorizer 160 and be performed by controller 180.
So far, oneself is through describing mobile terminal according to its function.Below, for the sake of brevity, will describe such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and is not limited to slide type mobile terminal.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 100, multiple base station (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 and the BSC275 formation interface that can be couple to base station 270 via back haul link.
If back haul link can construct according to any one in the interface that Ganji knows, described interface includes 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 subregion (or region), by multidirectional antenna or the sky of sensing specific direction
Each subregion that line covers is radially away from BS270.Or, each subregion can be by for two or more of diversity reception
Antenna covers.Each BS270 may be constructed such that support multiple frequencies distribution, and the distribution of each frequency has specific frequency spectrum
(such as, 1.25MHz, 5MHz etc.).
Intersecting that subregion and frequency are distributed 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 " may be used for broadly representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent in system the mobile terminal operated by broadcsting transmitter (BT) 295
100.Broadcast reception module 111 is arranged on mobile terminal 100 and sentences the broadcast that reception is sent by BT295 as shown in Figure 1
Signal.In fig. 2 it is shown that several global positioning systems (GPS) satellite 300.Satellite 300 helps to position multiple mobile terminals
At least one in 100.
In fig. 2, depict multiple satellite 300, it is understood that be, it is possible to use any number of satellite obtain useful
Location information.
As a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminals 100
Signal.Mobile terminal 100 generally participates in call, information receiving and transmitting communicates with other type of.Certain base station 270 receive each instead
Processed in specific BS270 to link signal.The data obtained are forwarded to the BSC275 being correlated with.BSC provides call
Resource distribution and the mobile management function of the coordination of soft switching process included between BS270.The number that BSC275 also will receive
According to being routed to MSC280, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, MSC Yu BSC275 forms 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, each embodiment of the inventive method is proposed.
Embodiment one
As it is shown on figure 3, the present embodiment proposes a kind of charging complete calculates device remaining time, including:
Acquisition module 10, for obtaining electric current and the time curve of the complete charging process of battery；
Linearization block 20, for described electric current and time curve are carried out linearization process, obtains benchmark relation
Table；
Computing module 30, is used for reading the current charging current of battery and battery current voltage, and according to described benchmark relation
Table calculates the charging complete remaining time of described battery.
In the present embodiment, rule of thumb it is worth to charging curve, and current according to the current charging current of battery and battery
Voltage, obtains charging complete remaining time, to user with good experience.
In the present embodiment, the charging performance of the same money battery of mobile terminal is similar, it is possible to arrive according to test
The charging curve of percentage of batteries is applied to other and calculates with money cell performance curve, first does charging measurement on mobile terminals, permanent
Stream stage charging current is set to the maximum current value that battery allows, and records electric current and the time relationship of the complete charging process of battery
Curve, as shown in Figure 4, the abscissa in figure refers to the charging interval of battery, and charging 75 minutes when, charging current drops
Be zero, it is believed that battery charging complete, and in the present embodiment the required charging complete remaining time calculated be to subtract for 75 minutes
Going the charging interval of battery, such as when charging to 35 minutes, charging complete remaining time is then 40 minutes；Song in Fig. 4
Line is the charging curve of some battery once complete charging, in order to reduce error, overcomes specific event to charging curve
Impact, can use big data pattern, gathers the charging curve of the repeatedly complete charging of a certain type cell, and it is average to calculate it
Value, obtains its charging curve as the electric current required by acquisition module in the present embodiment and time curve.
Owing to curve chart is not easy to inquiry, therefore, described electric current is closed with the time by the present embodiment also by linearization block
Being that curve carries out linearization process, as it is shown in figure 5, first result, determines segment time interval, as divided in the present embodiment
Section time interval is set to 5 minutes, from fig. 5, it can be seen that before charging 35 minutes, the charging current change of battery is little, can
To think that battery is in constant-current charging phase, the charging interval now calculates simple, it is not necessary to carry out linearization process, this enforcement
Be primarily directed in constant voltage charging phase, namely Fig. 5 35 minutes to 75 minutes of linearization process in example.
As another kind of embodiment, described segment time interval is set to 3 minutes or 1 minute, division the most careful, obtains
Charging complete the most accurate for remaining time.
In the present embodiment, described electric current and time curve are carried out linearization process and can obtain one or several just
In the benchmark relation table of inquiry, described benchmark relation table includes: segment time interval, benchmark charging current, electric current are interval, benchmark
Remaining time and sequence number, described sequence number and benchmark charging current and benchmark one_to_one corresponding remaining time.
In the present embodiment, as shown in table 1, for sequence number-benchmark charging current-benchmark relation table remaining time, this table with
9 segment time interval point one_to_one corresponding in Fig. 5, such as, sequence number 0 represents, when the charging interval is 75 minutes, its charging current
For 111mA, its remaining time of charging is 0 minute, and collection data above is as benchmark data, and is saved in benchmark relation Biao-table 1
In with to be checked.
| Sequence number | Benchmark charging current (mA) | Benchmark remaining time (dividing) |
| 0 | 111 | 0 |
| 1 | 153 | 5 |
| 2 | 208 | 10 |
| 3 | 296 | 15 |
| 4 | 430 | 20 |
| 5 | 671 | 25 |
| 6 | 1098 | 30 |
| 7 | 1857 | 35 |
| 8 | 2657 | 40 |
Table 1
For the ease of inquiry and calculating, present invention also offers a benchmark relation Biao-table 2, as shown in table 2, for sequence number
With electric current interval relation table, inquire about from table 1 and table 2 flexibly according to computational methods.
| Sequence number | Electric current is interval |
| 0 | 111-153 |
| 1 | 153-208 |
| 2 | 208-296 |
| 3 | 296-430 |
| 4 | 430-671 |
| 5 | 671-1098 |
| 6 | 1098-1857 |
| 7 | 1857-2657 |
| 8 | 2657- |
Table 2
Mobile terminal, when reality is charged, because may carry out other operations when user charges simultaneously, or employs it
The charger that his rated current is different, causes constant-current charge size of current different, so needing to calculate according to different size of current
The corresponding time.
First having to judge that now battery is at constant-current charging phase or constant voltage charging phase, this judgement can be by reading
Battery current voltage Vb judges, the battery of each type all can have a preset parameter that dispatches from the factory: charging voltage threshold value Vc,
Can relatively judging by battery current voltage Vb and charging voltage threshold value Vc:
As Vb >=Vc time, illustrate that battery is currently at constant voltage charging phase, described charging complete t remaining timesEqual to perseverance
Pressure charging interval tm, tmComputing formula be:
Wherein, If is current charging current, and k is the sequence that current charging current If is corresponding in described benchmark relation Biao-table 2
Number, xkFor the benchmark charging current that sequence number k is corresponding in benchmark relation table,ykFor the benchmark that sequence number k is corresponding in benchmark relation table
Remaining time.
When Vb < during Vc, represents that battery is currently at constant-current charging phase, described charging complete t remaining timesEqual to constant voltage
Charging interval tmWith constant-current charge time tnSum, wherein, tmComputing formula identical with the computing formula of constant voltage charging phase,
Constant-current charge time tnComputing formula be:
tn=(Ra-Rcv-Ra*C1)/If
Wherein, Ra is battery total capacity, and Rcv is constant-voltage charge capacity, and C1 is battery current capacities；
The computing formula of described constant-voltage charge capacity Rcv is:
Wherein, i=0 ..., k-1, T are segment time interval.
Embodiment two
As shown in Figure 6, in the present embodiment, computing module 30 includes:
Voltage reads unit 31, is used for reading battery current voltage Vb；
Judging unit 32, for judging whether described battery current voltage Vb is not less than the charging voltage threshold value of described battery
Vc；
First computing unit 33, for when described battery current voltage Vb is not less than charging voltage threshold value Vc of described battery
Time, then it represents that battery is currently at constant voltage charging phase, and described charging complete is equal to constant voltage charging time remaining time；Read electricity
Current charging current If in pond, obtains sequence number k that described current charging current If is corresponding, according to described from described benchmark relation table
Current charging current And if sequence number k are calculated constant voltage charging time；
Second computing unit 34, for when described battery current voltage Vb is less than charging voltage threshold value Vc of described battery
Time, representing that battery is currently at constant-current charging phase, described charging complete is filled with constant current equal to constant voltage charging time remaining time
Electricity time sum.
In the present embodiment, described constant voltage charging time tmComputing formula be:
Wherein, If is current charging current, and k is the sequence number that current charging current If is corresponding in described benchmark relation table,
xkFor the benchmark charging current that sequence number k is corresponding in benchmark relation table, ykThe benchmark corresponding in benchmark relation table for sequence number k remains
The remaining time.
In the present embodiment, described constant-current charge time tnComputing formula be:
tn=(Ra-Rcv-Ra*C1)/If
Wherein, Ra is battery total capacity, and Rcv is constant-voltage charge capacity, and C1 is battery current capacities；
The computing formula of described constant-voltage charge capacity Rcv is:
Wherein, i=0 ..., k-1, T are segment time interval.
In the present embodiment, it is the most careful that described segment time interval divides, and the charging complete obtained is the most accurate for remaining time
Really.
Embodiment three
As it is shown in fig. 7, in the present embodiment, a kind of charging complete computational methods remaining time, including:
S10, the electric current obtaining the complete charging process of battery and time curve；
S20, described electric current and time curve are carried out linearization process, obtain benchmark relation table；
S30, the reading current charging current of battery and battery current voltage, and calculate described electricity according to described benchmark relation table
The charging complete remaining time in pond.
The present embodiment corresponds to embodiment one, is rule of thumb worth to charging curve, and according to the current charging current of battery
With battery current voltage, obtain charging complete remaining time, to user with good experience.
In the present embodiment, the charging performance of the same money battery of mobile terminal is similar, it is possible to arrive according to test
The charging curve of percentage of batteries is applied to other and calculates with money cell performance curve, first does charging measurement on mobile terminals, permanent
Stream stage charging current is set to the maximum current value that battery allows, and records electric current and the time relationship of the complete charging process of battery
Curve.
Owing to curve chart is not easy to inquiry, therefore, described electric current and time curve are also carried out linearly by the present embodiment
Change processes, as it is shown in figure 5, first result, determines segment time interval, as arranged by segment time interval in the present embodiment
It it is 5 minutes, from fig. 5, it can be seen that before charging 35 minutes, the charging current change of battery is little, it is believed that battery is in
Constant-current charging phase, the charging interval now calculates simple, it is not necessary to carry out linearization process, at the linearisation in the present embodiment
Manage 35 minutes to 75 minutes be primarily directed in constant voltage charging phase, namely Fig. 5.
As another kind of embodiment, described segment time interval is set to 3 minutes or 1 minute, division the most careful, obtains
Charging complete the most accurate for remaining time.
In the present embodiment, described electric current and time curve are carried out linearization process and can obtain one or several just
In the benchmark relation table of inquiry, described benchmark relation table includes: segment time interval, benchmark charging current, electric current are interval, benchmark
Remaining time and sequence number, described sequence number and benchmark charging current and benchmark one_to_one corresponding remaining time.
Embodiment four
As shown in Figure 8, in the present embodiment, based on embodiment three, described step S30 includes:
S31, reading battery current voltage Vb；
S32, judge that described battery current voltage Vb is whether not less than charging voltage threshold value Vc of described battery；
The most then enter step S33, represent that battery is currently at constant voltage charging phase, described charging complete remaining time
Equal to constant voltage charging time；Read current charging current If of battery, from described benchmark relation table, obtain described current charged electrical
Sequence number k that stream If is corresponding, is calculated constant voltage charging time according to described current charging current And if sequence number k；
If described battery current voltage Vb is less than charging voltage threshold value Vc of described battery, enters step S34, represent battery
Being currently at constant-current charging phase, described charging complete is equal to constant voltage charging time and constant-current charge time sum remaining time.
In the present embodiment, described constant voltage charging time tmComputing formula be:
Wherein, If is current charging current, and k is the sequence number that current charging current If is corresponding in described benchmark relation table,
xkFor the benchmark charging current that sequence number k is corresponding in benchmark relation table,ykThe benchmark corresponding in benchmark relation table for sequence number k remains
The remaining time.
In the present embodiment, described constant-current charge time tnComputing formula be:
tn=(Ra-Rcv-Ra*C1)/If
Wherein, Ra is battery total capacity, and Rcv is constant-voltage charge capacity, and C1 is battery current capacities；
The computing formula of described constant-voltage charge capacity Rcv is:
Wherein, i=0 ..., k-1, T are segment time interval.
The present embodiment is corresponding with embodiment two, and in the present embodiment, it is the most careful that described segment time interval divides, and obtains
Charging complete the most accurate for remaining time.
It should be noted that in this article, term " includes ", " comprising " or its any other variant are intended to non-row
Comprising of his property, so that include that the process of a series of key element, method, article or device not only include those key elements, and
And also include other key elements being not expressly set out, or also include intrinsic for this process, method, article or device
Key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that including this
The process of key element, method, article or device there is also other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive above-described embodiment side
Method can add the mode of required general hardware platform by software and realize, naturally it is also possible to by hardware, but a lot of in the case of
The former is more preferably embodiment.Based on such understanding, prior art is done by technical scheme the most in other words
The part going out contribution can embody with the form of software product, and this computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, take
Business device, air-conditioner, or the network equipment etc.) perform the method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. a charging complete calculates device remaining time, it is characterised in that including:
Acquisition module, for obtaining electric current and the time curve of the complete charging process of battery；
Linearization block, for described electric current and time curve are carried out linearization process, obtains benchmark relation table；
Computing module, is used for reading the current charging current of battery and battery current voltage, and calculates according to described benchmark relation table
The charging complete remaining time of described battery.
A kind of charging complete the most according to claim 1 calculates device remaining time, it is characterised in that described benchmark relation
Table includes: segment time interval, benchmark charging current, electric current interval, benchmark remaining time and sequence number, described sequence number is filled with benchmark
Electricity electric current and benchmark one_to_one corresponding remaining time.
A kind of charging complete the most according to claim 2 calculates device remaining time, it is characterised in that computing module bag
Include:
Voltage reads unit, is used for reading battery current voltage Vb；
Judging unit, for judging whether described battery current voltage Vb is not less than charging voltage threshold value Vc of described battery；
First computing unit, during for being not less than charging voltage threshold value Vc of described battery as described battery current voltage Vb, then
Representing that battery is currently at constant voltage charging phase, described charging complete is equal to constant voltage charging time remaining time；Reading battery is worked as
Front charging current If, obtains sequence number k that described current charging current If is corresponding from described benchmark relation table, according to described currently
Charging current And if sequence number k are calculated constant voltage charging time；
Second computing unit, for when described battery current voltage Vb is less than charging voltage threshold value Vc of described battery, representing
Battery is currently at constant-current charging phase, described charging complete remaining time equal to constant voltage charging time and constant-current charge time it
With.
A kind of charging complete the most according to claim 3 calculates device remaining time, it is characterised in that described constant-voltage charge
Time tmComputing formula be:
Wherein, If is current charging current, and k is the sequence number that current charging current If is corresponding in described benchmark relation table, xkFor sequence
The benchmark charging current that number k is corresponding in benchmark relation table, ykWhen remaining for the benchmark that sequence number k is corresponding in benchmark relation table
Between.
A kind of charging complete the most according to claim 4 calculates device remaining time, it is characterised in that described constant-current charge
Time tnComputing formula be:
tn=(Ra-Rcv-Ra*C1)/If
Wherein, Ra is battery total capacity, and Rcv is constant-voltage charge capacity, and C1 is battery current capacities；
The computing formula of described constant-voltage charge capacity Rcv is:
Wherein, i=0 ..., k-1, T are segment time interval.
6. charging complete computational methods remaining time, it is characterised in that including:
Obtain electric current and the time curve of the complete charging process of battery；
Described electric current and time curve are carried out linearization process, obtains benchmark relation table；
Read the current charging current of battery and battery current voltage, and calculate the charging of described battery according to described benchmark relation table
Complete remaining time.
A kind of charging complete computational methods remaining time the most according to claim 6, it is characterised in that described benchmark relation
Table includes: segment time interval, benchmark charging current, electric current interval, benchmark remaining time and sequence number, described sequence number is filled with benchmark
Electricity electric current and benchmark one_to_one corresponding remaining time.
A kind of charging complete computational methods remaining time the most according to claim 7, it is characterised in that described reading battery
Current charging current and battery current voltage, and the charging complete remaining time of described battery is calculated according to described benchmark relation table
Including:
Read battery current voltage Vb；
Judge whether described battery current voltage Vb is not less than charging voltage threshold value Vc of described battery；
If, then it represents that battery is currently at constant voltage charging phase, and described charging complete is equal to constant voltage charging time remaining time；
Read current charging current If of battery, from described benchmark relation table, obtain sequence number k that described current charging current If is corresponding, root
It is calculated constant voltage charging time according to described current charging current And if sequence number k；
If described battery current voltage Vb is less than charging voltage threshold value Vc of described battery, represent that battery is currently at constant-current charge
In the stage, described charging complete is equal to constant voltage charging time and constant-current charge time sum remaining time.
A kind of charging complete computational methods remaining time the most according to claim 8, it is characterised in that described constant-voltage charge
Time tmComputing formula be:
Wherein, If is current charging current, and k is the sequence number that current charging current If is corresponding in described benchmark relation table, xkFor sequence
The benchmark charging current that number k is corresponding in benchmark relation table, ykWhen remaining for the benchmark that sequence number k is corresponding in benchmark relation table
Between.
A kind of charging complete computational methods remaining time the most according to claim 9, it is characterised in that described constant current is filled
Electricity time tnComputing formula be:
tn=(Ra-Rcv-Ra*C1)/If
Wherein, Ra is battery total capacity, and Rcv is constant-voltage charge capacity, and C1 is battery current capacities；
The computing formula of described constant-voltage charge capacity Rcv is:
Wherein, i=0 ..., k-1, T are segment time interval.
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| CN107402355A (en) * | 2017-07-24 | 2017-11-28 | 江西优特汽车技术有限公司 | A kind of charging interval predictor method |
| CN108646190A (en) * | 2018-05-08 | 2018-10-12 | 宁德时代新能源科技股份有限公司 | Method, device and equipment for estimating residual charging time of battery |
| CN109444606A (en) * | 2018-12-17 | 2019-03-08 | 深圳市华星光电半导体显示技术有限公司 | Charging measurement method and charging measurement device |
| CN112230146A (en) * | 2019-12-30 | 2021-01-15 | 蜂巢能源科技有限公司 | Method, system and equipment for predicting battery charging remaining time |
| CN112287509A (en) * | 2019-07-25 | 2021-01-29 | 秦祖敬 | Air extraction device and extraction remaining time calculation method thereof |
| WO2021122458A1 (en) * | 2019-12-19 | 2021-06-24 | Renault S.A.S | Method for charging an electric battery of a vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107402355B (en) * | 2017-07-24 | 2019-08-27 | 江西优特汽车技术有限公司 | A kind of charging time predictor method |
| CN108646190A (en) * | 2018-05-08 | 2018-10-12 | 宁德时代新能源科技股份有限公司 | Method, device and equipment for estimating residual charging time of battery |
| CN108646190B (en) * | 2018-05-08 | 2021-01-12 | 宁德时代新能源科技股份有限公司 | Method, device and equipment for estimating residual charging time of battery |
| CN109444606A (en) * | 2018-12-17 | 2019-03-08 | 深圳市华星光电半导体显示技术有限公司 | Charging measurement method and charging measurement device |
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| WO2021122458A1 (en) * | 2019-12-19 | 2021-06-24 | Renault S.A.S | Method for charging an electric battery of a vehicle |
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| CN112230146A (en) * | 2019-12-30 | 2021-01-15 | 蜂巢能源科技有限公司 | Method, system and equipment for predicting battery charging remaining time |
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Application publication date: 20160928 |