CN104810890A - Charging control method and device - Google Patents
Charging control method and device Download PDFInfo
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- CN104810890A CN104810890A CN201510219174.1A CN201510219174A CN104810890A CN 104810890 A CN104810890 A CN 104810890A CN 201510219174 A CN201510219174 A CN 201510219174A CN 104810890 A CN104810890 A CN 104810890A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention discloses a charging control method. In the parallel charging process, a terminal acquires current CPU (central processing unit) utilization rate in real time and determines first charging current and second charging current in the terminal based on the acquired CPU utilization rate; the terminal supplies power for the systems in the terminal except a battery according to the determined first charging current, and charges the battery in the terminal according to the second charging current. Based on the current CPU utilization rate of the mobile terminal, distribution conditions of the first charging current and the second charging current are determined, so that charging current distribution is more reasonable and current charging efficiency is improved.
Description
Technical field
The present invention relates to charging field, particularly relate to a kind of charge control method and device.
Background technology
Along with the development of science and technology, the function of various mobile device is more and more abundanter, in life, people utilize various mobile device to carry out communicating or learning, and in use mobile device process, be absolutely necessary to the charging of mobile device, the mobile phone commonly used for people and computer, almost all will carry out charging process every day.Existing various mobile device, the frequent use charging modes that walks abreast carries out quick charge, but, traditional parallel charging modes is nearly all the charging modes adopting electric current to be equal to distribution, electric current is equal in the charging modes of distribution, powers with in the first charging current of battery charging, along with the increase of cpu busy percentage to terminal system, electric current for charging the battery can diminish, and charge efficiency is reduced.
Summary of the invention
Main purpose of the present invention is to propose a kind of charge control method and device, under being intended to solve parallel charge mode, along with the increase of cpu busy percentage, and the technical problem that charge efficiency reduces.
For achieving the above object, a kind of charge control method provided by the invention, described charge control method comprises the following steps:
In parallel charging process, its current cpu busy percentage of terminal Real-time Obtaining;
Described terminal determines the first charging current in described terminal and the second charging current based on the described cpu busy percentage obtained;
Described terminal is powered to the system in described terminal except battery according to described first charging current determined, and charges according to the battery of described second charging current to described terminal.
Preferably, based on the described cpu busy percentage obtained, described terminal determines that the step of in described terminal the first charging current and the second charging current comprises:
Described terminal determines the described cpu busy percentage obtained;
Described terminal, based on the mapping relations of cpu busy percentage and the first charging current, obtains the first charging current that the cpu busy percentage determined is corresponding;
Described terminal, according to described first charging current obtained and default charging current, calculates the second charging current of described mobile terminal.
Preferably, described terminal is powered to the system in described terminal except battery according to described first charging current determined, and after the step of charging according to the battery of described second charging current to described terminal, described charge control method comprises:
When the exit instruction of parallel charge mode being detected, described terminal obtains the second current charging current;
Described in described terminal judges, whether the second charging current is less than pre-determined threshold electric current;
When described second charging current is less than described threshold current, described terminal exits parallel charge mode.
Preferably, after described in described terminal judges, whether the second charging current is less than the step of pre-determined threshold electric current, described charge control method comprises:
When described second charging current is more than or equal to described threshold current, described terminal reduces described second charging current, until described second charging current is less than pre-determined threshold electric current;
When described second charging current is less than described threshold current, described terminal exits parallel charge mode.
In addition, for achieving the above object, the present invention also proposes a kind of battery charge controller, and described battery charge controller comprises:
Acquisition module, in parallel charging process, obtains the cpu busy percentage that it is current;
Determination module, for determining the first charging current in described terminal and the second charging current based on the described cpu busy percentage obtained;
Processing module, for powering to the system in described terminal except battery according to described first charging current determined, and charges according to the battery of described second charging current to described terminal.
Preferably, described determination module comprises:
Determining unit, for determining the described cpu busy percentage obtained;
Acquiring unit, for the mapping relations based on cpu busy percentage and the first charging current, obtains the first charging current that the cpu busy percentage determined is corresponding;
Computing unit, for according to described first charging current obtained and default charging current, calculates the second charging current of described mobile terminal.
Preferably, described acquisition module, also for when the exit instruction of parallel charge mode being detected, obtains the second current charging current;
Described battery charge controller comprises:
Judge module, for judging whether described second charging current is less than pre-determined threshold electric current;
Exit module, for when described second charging current is less than described threshold current, exit parallel charge mode.
Preferably, described battery charge controller also comprises:
Reduce module, for when described second charging current is more than or equal to described threshold current, reduce described second charging current, until described second charging current is less than pre-determined threshold electric current;
Describedly exit module, also for when described second charging current is less than pre-determined threshold electric current, exit parallel charge mode.
The charge control method that the present invention proposes and device, in parallel charging process, its current cpu busy percentage of terminal Real-time Obtaining, and determine the first charging current in described terminal and the second charging current based on the described cpu busy percentage obtained, described terminal according to described first charging current determined, described terminal is carried out in system power supply except battery, and charge according to the battery of described second charging current to described terminal, by the cpu busy percentage that mobile terminal is current, determine the distribution condition of the first charging current and the second charging current, make the distribution of charging current more reasonable, instead of only charging current equivalent is distributed, improve the charge efficiency of electric current.
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention;
Fig. 2 is the radio communication device schematic diagram of mobile terminal as shown in Figure 1;
Fig. 3 is the schematic flow sheet of charge control method first embodiment of the present invention;
Fig. 4 is the refinement schematic flow sheet of step S20 in Fig. 3;
Fig. 5 is the schematic flow sheet of charge control method second embodiment of the present invention;
Fig. 6 is the schematic flow sheet of charge control method of the present invention 3rd embodiment;
Fig. 7 is the high-level schematic functional block diagram of battery charge controller first embodiment of the present invention;
Fig. 8 is the refinement high-level schematic functional block diagram of determination module 20 in Fig. 7.
Fig. 9 is the high-level schematic functional block diagram of battery charge controller second embodiment of the present invention;
Figure 10 is the high-level schematic functional block diagram of battery charge controller of the present invention 3rd embodiment.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use the suffix of such as " module ", " parts " or " unit " for representing element only in order to be conducive to explanation of the present invention, itself is specific meaning not.Therefore, " module " and " parts " can mixedly use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise the such as mobile terminal of mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as digital TV, desktop computer etc.Below, suppose that terminal is mobile terminal.But it will be appreciated by those skilled in the art that except the element except being used in particular for mobile object, structure according to the embodiment of the present invention also can be applied to the terminal of fixed type.
Fig. 1 is the hardware configuration signal of the mobile terminal realizing each embodiment of the present invention.
Mobile terminal 100 can comprise wireless communication unit 110, A/V (audio/video) input unit 120, user input unit 130, sensing cell 140, output unit 150, memory 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, does not require to implement all assemblies illustrated.Can alternatively implement more or less 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 the radio communication between mobile terminal 100 and radio communication device or network.Such as, wireless communication unit can comprise at least one in broadcast reception module 111, mobile communication module 112, wireless Internet module 113, short range communication module 114 and positional information module 115.
Broadcast reception module 111 via broadcast channel from external broadcasting management server receiving broadcast signal and/or broadcast related information.Broadcast channel can comprise satellite channel and/or terrestrial channel.Broadcast management server can be generate and send the server of broadcast singal and/or broadcast related information or the broadcast singal generated before receiving and/or broadcast related information and send it to the server of terminal.Broadcast singal can comprise TV broadcast singal, radio signals, data broadcasting signal etc.And broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast related information also can provide via mobile communications network, and in this case, broadcast related information can be received by mobile communication module 112.Broadcast singal can exist in a variety of manners, such as, it can exist with the form of the electronic service guidebooks (ESG) of the electronic program guides of DMB (DMB) (EPG), digital video broadcast-handheld (DVB-H) etc.Broadcast reception module 111 can by using the broadcast of various types of broadcaster Received signal strength.Especially, broadcast reception module 111 can by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video broadcasting-hand-held (DVB-H), forward link media (MediaFLO
) the digital broadcast apparatus receiving digital broadcast of data broadcast device, received terrestrial digital broadcasting integrated service (ISDB-T) etc.Broadcast reception module 111 can be constructed to be applicable to providing the various broadcaster of broadcast singal and above-mentioned digital broadcast apparatus.The broadcast singal received via broadcast reception module 111 and/or broadcast related information can be stored in memory 160 (or storage medium of other type).
Radio signal is sent at least one in base station (such as, access point, Node B etc.), exterior terminal and server and/or receives radio signals from it by mobile communication module 112.Various types of data that such radio signal can comprise voice call signal, video calling signal or send according to text and/or Multimedia Message and/or receive.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be inner or be externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can comprise 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 modules for supporting junction service.Some examples of short-range communication technology comprise bluetooth
tM, radio-frequency (RF) identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee
tMetc..
Positional information module 115 is the modules of positional information for checking or obtain mobile terminal.The typical case of positional information module is GPS (global pick device).According to current technology, GPS module 115 calculates from the range information of three or more satellite and correct time information and for the Information application triangulation calculated, thus calculates three-dimensional current location information according to longitude, latitude and pin-point accuracy.Current, the method for calculating location and temporal information uses three satellites and by the error of the position that uses an other satellite correction calculation to go out and temporal information.In addition, GPS module 115 can carry out computational speed information by Continuous plus current location information in real time.
A/V input unit 120 is for audio reception or vision signal.A/V input unit 120 can comprise camera 121 and microphone 122, and the view data of camera 121 to the static images obtained by image capture apparatus in Video Capture pattern or image capture mode or video processes.Picture frame after process may be displayed on display unit 151.Picture frame after camera 121 processes can be stored in memory 160 (or other storage medium) or via wireless communication unit 110 and send, and can provide two or more cameras 121 according to the structure of mobile terminal.Such acoustic processing can via microphones sound (voice data) in telephone calling model, logging mode, speech recognition mode etc. operational mode, and can be voice data by microphone 122.Audio frequency (voice) data after process can be converted to the formatted output that can be sent to mobile communication base station via mobile communication module 112 when telephone calling model.Microphone 122 can be implemented various types of noise and eliminate (or suppress) algorithm and receiving and sending to eliminate (or suppression) noise or interference that produce in the process of audio signal.
User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and keyboard, the young sheet of pot, touch pad (such as, detecting the touch-sensitive assembly of the change of the resistance, pressure, electric capacity etc. that cause owing to being touched), roller, rocking bar etc. can be comprised.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch-screen can be formed.
Sensing cell 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close state), the position of mobile terminal 100, user for mobile terminal 100 contact (namely, touch input) presence or absence, the orientation of mobile terminal 100, the acceleration of mobile terminal 100 or speed is moved and direction etc., and generate order or the signal of the operation for controlling mobile terminal 100.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing cell 140 can sense this sliding-type phone and open or close.In addition, whether whether sensing cell 140 can detect power subsystem 190 provides electric power or interface unit 170 to couple with external device (ED).Sensing cell 140 can comprise proximity transducer 1410 and will be described this in conjunction with touch-screen below.
Interface unit 170 is used as at least one external device (ED) and is connected the interface that can pass through with mobile terminal 100.Such as, external device (ED) can comprise wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port, audio frequency I/O (I/O) port, video i/o port, ear port etc. of the device with identification module.Identification module can be that storage uses the various information of mobile terminal 100 for authentication of users and can comprise subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to " recognition device ") with identification module can take the form of smart card, and therefore, recognition device can be connected with mobile terminal 100 via port or other jockey.Interface unit 170 may be used for receive from external device (ED) input (such as, data message, electric power etc.) and the input received be transferred to the one or more element in mobile terminal 100 or may be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connected with external base, interface unit 170 can be used as to allow by it electric power to be provided to the path of mobile terminal 100 from base or can be used as the path that allows to be transferred to mobile terminal by it from the various command signals of base input.The various command signal inputted from base or electric power can be used as and identify whether mobile terminal is arranged on the signal base exactly.Output unit 150 is constructed to provide output signal (such as, audio signal, vision signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.Output unit 150 can comprise display unit 151, dio Output Modules 152, alarm unit 153 etc.
Display unit 151 may be displayed on the information of process in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display unit 151 can show with call or other communicate (such as, text messaging, multimedia file are downloaded etc.) be correlated with 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 the image of display capture and/or the image of reception, UI or GUI that video or image and correlation function are shown etc.
Meanwhile, when display unit 151 and touch pad as a layer superposed on one another to form touch-screen time, display unit 151 can be used as input unit and output device.Display unit 151 can comprise at least one in liquid crystal display (LCD), thin-film transistor LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.Some in these displays can be constructed to transparence and watch from outside to allow user, and this can be called transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc.According to the specific execution mode wanted, mobile terminal 100 can comprise two or more display units (or other display unit), such as, mobile terminal can comprise outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used for detecting touch input pressure and touch input position and touch and inputs area.
When dio Output Modules 152 can be under the isotypes such as call signal receiving mode, call mode, logging mode, speech recognition mode, broadcast reception mode at mobile terminal, voice data convert audio signals that is that wireless communication unit 110 is received or that store in memory 160 and exporting as sound.And dio Output Modules 152 can provide the audio frequency relevant to the specific function that mobile terminal 100 performs to export (such as, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can comprise pick-up, buzzer etc.
Alarm unit 153 can provide and export that event informed to mobile terminal 100.Typical event can comprise calling reception, message sink, key signals input, touch input etc.Except audio or video exports, alarm unit 153 can provide in a different manner and export with the generation of notification event.Such as, alarm unit 153 can provide output with the form of vibration, when receive calling, message or some other enter communication (incoming communication) time, alarm unit 153 can provide sense of touch to export (that is, vibrating) to notify to user.By providing such sense of touch to export, even if when the mobile phone of user is in the pocket of user, user also can identify the generation of various event.Alarm unit 153 also can provide the output of the generation of notification event via display unit 151 or dio Output Modules 152.
Memory 160 software program that can store process and the control operation performed by controller 180 etc., or temporarily can store oneself through exporting the data (such as, telephone directory, message, still image, video etc.) that maybe will export.And, memory 160 can store about when touch be applied to touch-screen time the vibration of various modes that exports and the data of audio signal.
Memory 160 can comprise the storage medium of at least one type, described storage medium comprises flash memory, hard disk, multimedia card, card-type memory (such as, SD or DX memory etc.), random access storage device (RAM), static random-access memory (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 the memory function of execute store 160 network storage device with by network cooperates.
Controller 180 controls the overall operation of mobile terminal usually.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.In addition, controller 180 can comprise the multi-media module 181 for reproducing (or playback) multi-medium data, and multi-media module 181 can be configured in controller 180, or can be configured to be separated with controller 180.Controller 180 can pattern recognition process, is identified as character or image so that input is drawn in the handwriting input performed on the touchscreen or picture.
Power subsystem 190 receives external power or internal power and provides each element of operation and the suitable electric power needed for assembly under the control of controller 180.
Various execution mode described herein can to use such as computer software, the computer-readable medium of hardware or its any combination implements.For hardware implementation, execution mode described herein can by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, being designed at least one performed in the electronic unit of function described herein and implementing, in some cases, such execution mode can be implemented in controller 180.For implement software, the execution mode of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in memory 160 and to be performed by controller 180.
So far, oneself is through the mobile terminal according to its functional description.Below, for the sake of brevity, by the slide type mobile terminal that describes in various types of mobile terminals of such as folded form, board-type, oscillating-type, slide type mobile terminal etc. exemplarily.Therefore, the present invention can be applied to the mobile terminal of any type, and is not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 can be constructed to utilize and send the such as wired and radio communication device of data via frame or grouping and satellite-based communicator operates.
Describe wherein according to the communicator that mobile terminal of the present invention can operate referring now to Fig. 2.
Such communicator can use different air interfaces and/or physical layer.Such as, the air interface used by communicator comprises such as frequency division multiple access (FDMA), time division multiple access (TDMA), code division multiple access (CDMA) and universal mobile communications device (UMTS) (especially, Long Term Evolution (LTE)), global mobile communication device (GSM) etc.As non-limiting example, description below relates to cdma communication device, but such instruction is equally applicable to the device of other type.
With reference to figure 2, cdma wireless communication device can comprise multiple mobile terminal 100, multiple base station (BS) 270, base station controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is constructed to form interface with Public Switched Telephony Network (PSTN) 290.MSC280 is also constructed to form interface with the BSC275 that can be couple to base station 270 via back haul link.Back haul link can construct according to any one in some interfaces that oneself knows, described interface comprises such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.Will be appreciated that device as shown in Figure 2 can comprise multiple BSC2750.
Each BS270 can serve one or more subregion (or region), by multidirectional antenna or point to specific direction each subregion of antenna cover radially away from BS270.Or each subregion can by two or more antenna covers for diversity reception.Each BS270 can be constructed to support multiple parallel compensate, and each parallel compensate has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).
Subregion can be called as CDMA Channel with intersecting of parallel compensate.BS270 also can be called as the sub-device of base station transceiver (BTS) or other equivalent terms.Under these circumstances, term " base station " may be used for broadly representing single BSC275 and at least one BS270.Base station also can be called as " cellular station ".Or each subregion of particular B S270 can be called as multiple cellular station.
As shown in Figure 2, broadcast singal is sent to the mobile terminal 100 operated in device by broadcsting transmitter (BT) 295.Broadcast reception module 111 as shown in Figure 1 is arranged on mobile terminal 100 and sentences the broadcast singal receiving and sent by BT295.In fig. 2, several global pick device (GPS) satellite 300 is shown.Satellite 300 helps at least one in the multiple mobile terminal 100 in location.
In fig. 2, depict multiple satellite 300, but be understandable that, the satellite of any number can be utilized to obtain useful locating information.GPS module 115 as shown in Figure 1 is constructed to coordinate to obtain the locating information wanted with satellite 300 usually.Substitute GPS tracking technique or outside GPS tracking technique, can use can other technology of position of tracking mobile terminal.In addition, at least one gps satellite 300 optionally or extraly can process satellite dmb transmission.
As a typical operation of radio communication device, BS270 receives the reverse link signal from various mobile terminal 100.Mobile terminal 100 participates in call usually, information receiving and transmitting communicates with other type.Each reverse link signal that certain base station 270 receives is processed by particular B S270.The data obtained are forwarded to relevant BSC275.BSC provides call Resourse Distribute and comprises the mobile management function of coordination of the soft switching process between BS270.The data received also are routed to MSC280 by BSC275, and it is provided for the extra route service forming interface with PSTN290.Similarly, PSTN290 and MSC280 forms interface, and MSC and BSC275 forms interface, and BSC275 correspondingly control BS270 so that forward link signals is sent to mobile terminal 100.
Based on the structure of above-mentioned mobile terminal hardware configuration, communicator, each embodiment of charge control method of the present invention is proposed.
With reference to the schematic flow sheet that Fig. 3, Fig. 3 are charge control method first embodiment of the present invention.
The present embodiment proposes a kind of charge control method, and described charge control method comprises:
Step S10, in parallel charging process, its current cpu busy percentage of terminal Real-time Obtaining
In the present embodiment, before described step S10, comprise the step judging whether to start parallel charge mode, namely first detect current charging system whether to allow to start parallel charge mode, described charging system enters parallel charge mode and depends on the type (as whether charging device allows parallel charge mode) of charging device and the state of the current charging of terminal, if described terminal be in the sufficient state (as electricity reaches predetermined threshold value) of electricity or as described in charging device only support normal charging mode, then do not start this parallel charge mode.Further, terminal is in running, the running of various application can affect the size of terminal cpu busy percentage, namely the more of application unlatching are preset in terminal, cpu busy percentage is higher, for improving the intelligent of charging control, preferably in charging process, its current cpu busy percentage of described terminal Real-time Obtaining.The load of CPU in described cpu busy percentage and terminal.
Step S20, described terminal determines the first charging current in described terminal and the second charging current based on the described cpu busy percentage obtained;
In the present embodiment, with reference to Fig. 4, described step S20 comprises:
Step S21, described terminal determines the described cpu busy percentage obtained;
In the present embodiment, the frequent switching causing charging device for avoiding the minor fluctuations of cpu load electric current is distributed, preferably according to the cpu busy percentage obtained, described cpu load is divided into underload, middle load and heavy duty Three Estate, namely described underloaded cpu busy percentage is 0-33.4%, the cpu busy percentage of described middle load is 33.4%-66.7%, described heavy duty cpu busy percentage is 66.7%-100%, it will be understood by those skilled in the art that, also according to actual needs cpu load can be divided into underload, upper load, load and heavy duty four grades in lower, the corresponding difference of cpu busy percentage that then described four loads are corresponding, the dividing condition of described load is arranged according to actual needs, no longer go to live in the household of one's in-laws on getting married herein and tell.
Step S22, described terminal, based on the mapping relations of cpu busy percentage and the first charging current, obtains the first charging current that the cpu busy percentage determined is corresponding;
Step S23, described terminal, according to described first charging current obtained and default charging current, calculates the second charging current of described terminal.
In the present embodiment, preferably described first charging current is not only for the charging process of terminal, and for the power supply of whole system in terminal, namely the first charging current is used for providing power supply to preset application to each, then when cpu busy percentage increases, power consumption in terminal system increases, cause the first charging current to export to power supply also corresponding increase that terminal presets application, the electric current for supplying end cell charging is caused to reduce, therefore under different CPU loading condition, need to adopt different charging current allocation strategies, ensure that the first charging current and the second charging current can carry out large current charge simultaneously under light load conditions, and increase with cpu load, by suitably reducing the first charging current, and increase by the second charging current to reach the charged state balance of whole charging system.Described terminal is based on the mapping relations of cpu busy percentage and the first charging current, obtain the first charging current that the cpu busy percentage determined is corresponding, and comprise according to the preferred embodiment that described first charging current and default charging current calculate the second charging current, by default mode as mathematical modeling, calculate default current distribution method:
IPMIC1=Isys/ (Q*3/100+n) ... formula (1);
IPMIC2=Isys-IPMIC1 ... formula (2);
Wherein, IPMIC1 represents the first charging current, and IPMIC2 represents the second charging current; Q represents cpu load, i.e. cpu busy percentage; Isys represents the maximum permission charging current of system; N represents ratio factor, and in the present embodiment, described cpu load is divided into Three Estate, namely described ratio factor n is set to 2.
For better understanding above-described embodiment, described in detail by following example, such as, current C PU utilance is 20% (underload), then by formula (1), formula (2) can obtain the first charging current IPMIC1 value and be about 2Isys/5, second charging current IPMIC2 value is about 3Isys/5, further, when described cpu busy percentage be less than preset ratio as 3% time, described IPMIC1 account form is IPMIC1=Isys/ (Q*3/100+n)=Isys/ (3%*3/100+2), obtain described IPMIC1 and be about Isys/2, represent when load is less than preset ratio, first charging current and the second charging current are all adopt big current to charge, and charging current is the half of maximum permission charging current.When cpu busy percentage is increased to 50% (middle load), in like manner: according to formula (1), formula (2) can obtain the first charging current IPMIC1 and the second charging current IPMIC2 value is respectively: 3Isys/10 and 7Isys/10, represent under middle loading condition, the first charging current is less than the second charging current.Other situation, can calculate acquisition successively.
Step S30, described terminal is powered to the system in described terminal except battery according to described first charging current determined, and charges according to the battery of described second charging current to described terminal
In the present embodiment, first obtain the cpu busy percentage in terminal, be used for quantificational expression system CPU load situation, then according to cpu busy percentage, system running state is divided into underload, middle load, heavy duty pattern.When cpu busy percentage reaches heavy duty situation, battery is also used in and powers to system, therefore, the allocative decision of different charging current is carried out for different loads pattern, under making heavy duty situation, even if the electric current that the first charging current charges the battery reduces, by improving the mode of the second charging current, make the charged state of whole system reach balance, efficiently solve the first charging current problem that charge efficiency is low in heavy duty situation.
The charge control method that the present embodiment proposes, in parallel charging process, its current cpu busy percentage of terminal Real-time Obtaining, and determine the first charging current in described terminal and the second charging current based on the described cpu busy percentage obtained, described terminal is powered to the system in described terminal except battery according to described first charging current determined, and charge according to the battery of described second charging current to described terminal, by the cpu busy percentage that terminal is current, determine the distribution condition of the first charging current and the second charging current, make the distribution of charging current more reasonable, instead of only charging current equivalent is distributed, improve the charge efficiency of electric current.
Further, for improving the flexibility of charging device charging, with reference to Fig. 5, propose charge control method second embodiment of the present invention based on the first embodiment, in the present embodiment, after described step S30, described charge control method comprises:
Step S40, when the exit instruction of parallel charge mode being detected, described terminal obtains the second current charging current;
In the present embodiment, in parallel charging process, after the electricity that battery charges reaches predetermined threshold value, the maximum permission charging current Isys of system can reduce, known according to the formula (1) of the first embodiment, and the first charged electrical fails to be convened for lack of a quorum corresponding diminishing, now the charge efficiency of parallel charge mode also reduces, therefore, when the electricity preferably charged when described battery reaches predetermined threshold value, trigger the exit instruction of parallel charge mode.
Step S50, described in described terminal judges, whether the second charging current is less than pre-determined threshold electric current;
In the present embodiment, be preferably described terminal described second charging current obtained and the threshold current preset are compared, to determine whether described second charging current is less than described threshold current.
Step S60, when described second charging current is less than described threshold current, described terminal exits parallel charge mode
In the present embodiment, described pre-determined threshold electric current preferably represents that the second charging current exits the minimum charge current of parallel charge mode.Described terminal obtains the second current charging current IPMIC2, the described second charging current IPMIC2 obtained and pre-determined threshold electric current are compared, if when described second charging current is less than described threshold current, then described second charging current is satisfied exits parallel charge mode condition, and namely described terminal exits parallel charge mode.
Further, for improving the flexibility of charging device charging, with reference to Fig. 6, propose charge control method of the present invention 3rd embodiment based on the second embodiment, in the present embodiment, after described step S50, described charge control method comprises:
Step S70, when described second charging current is more than or equal to described threshold current, described terminal reduces described second charging current, until described second charging current is less than pre-determined threshold electric current;
In the present embodiment, when described second charging current is more than or equal to described threshold current, do not meet the condition exiting parallel charge mode, now preferred described second charging current by acquisition reduces by preset ratio, described terminal reduces described second charging current mode according to the ratio preset recalculates described second charging current preferably by the computing formula preset, and obtain the second charging current recalculated, described computing formula is preferably:
IPMIC2=IPMIC2* (1-1/m) ... ... ... ... ... ... ... ... ... ... formula (3);
Wherein, m: represent ratio factor, ordinary circumstance, the second charging current IPMIC2 is adjusted to previous 75%, and namely m value is 4.Be understandable that, described ratio factor m specifically can test effect adjustment according to reality.
Step S80, when described second charging current is less than pre-determined threshold electric current, described terminal exits parallel charge mode.
In the present embodiment, after the second charging current reduces, namely described second charging current is reduced electric current in the ratio preset by described terminal, the second charging current after reducing is compared with the threshold current preset, judge whether the second charging current after described reduction is less than default threshold current, if the second charging current after reducing is less than default threshold current, then described terminal exits parallel charge mode, enter normal charging mode to charge, if the second charging current after reducing is more than or equal to default threshold current, then described terminal continues to reduce described second charging current, until the second charging current after reducing is less than default threshold current, described terminal closes parallel charge mode, as long as when that is described second charging current is more than or equal to default threshold current, described terminal can circulate and reduce described second charging current, described second charging current is reduced gradually.Be understandable that, the mode reduced gradually by this electric current, the charging current of system can not fluctuate too large, and the cell voltage of system also there will not be unexpected reduction and affects the judgement of charging device to constant voltage mode, thus improves the efficiency of parallel charging.
The present invention further provides a kind of battery charge controller.
With reference to the high-level schematic functional block diagram that Fig. 7, Fig. 7 are battery charge controller first embodiment of the present invention.
It is emphasized that, to one skilled in the art, functional block diagram shown in Fig. 7 is only the exemplary plot of a preferred embodiment, and those skilled in the art, around the functional module of the battery charge controller shown in Fig. 7, can carry out supplementing of new functional module easily; The title of each functional module is self-defined title, only for auxiliary each program function block understanding this battery charge controller, be not used in and limit technical scheme of the present invention, the core of technical solution of the present invention is, the function that the functional module of respective define name will be reached.
The present embodiment proposes a kind of battery charge controller, and described battery charge controller comprises:
Acquisition module 10, in parallel charging process, obtains the cpu busy percentage that it is current;
In the present embodiment, described acquisition module 10 also comprises judging unit, described judging unit is used for judging whether to start parallel charge mode, namely first detect current charging system whether to allow to start parallel charge mode, described charging system enter parallel charge mode depend on charging device type (as whether charging device allows parallel charge mode) and as described in the state of the current charging of battery charge controller, if described battery charge controller be in the sufficient state (as electricity reaches predetermined threshold value) of electricity or as described in charging device only support normal charging mode, then do not start this parallel charge mode.Further, described battery charge controller is in running, the running of various application can affect the size of battery charge controller cpu busy percentage, namely the more of application unlatching are preset in described battery charge controller, cpu busy percentage is higher, for improving the intelligent of charging control, preferably in charging process, described its current cpu busy percentage of acquisition module 10 Real-time Obtaining.The load of CPU in described cpu busy percentage and terminal.
Determination module 20, for determining the first charging current in described terminal and the second charging current based on the described cpu busy percentage obtained;
In the present embodiment, with reference to Fig. 8, described determination module 20 comprises:
Determining unit 21, for determining the described cpu busy percentage obtained;
In the present embodiment, the frequent switching causing battery charge controller for avoiding the minor fluctuations of cpu load electric current is distributed, preferably according to the cpu busy percentage obtained, described cpu load is divided into underload, middle load and heavy duty Three Estate, namely described underloaded cpu busy percentage is 0-33.4%, the cpu busy percentage of described middle load is 33.4%-66.7%, described heavy duty cpu busy percentage is 66.7%-100%, it will be understood by those skilled in the art that, also according to actual needs cpu load can be divided into underload, upper load, load and heavy duty four grades in lower, the corresponding difference of cpu busy percentage that then described four loads are corresponding, the dividing condition of described load is arranged according to actual needs, no longer go to live in the household of one's in-laws on getting married herein and tell.
Acquiring unit 22, for the mapping relations based on cpu busy percentage and the first charging current, obtains the first charging current that the cpu busy percentage determined is corresponding;
Computing unit 23, for according to described first charging current obtained and default charging current, calculates the second charging current of described terminal.
In the present embodiment, preferably described first charging current is not only for the charging process of battery, and for the power supply of whole system in battery charge controller, namely the first charging current is used for providing power supply to preset application to each, then when cpu busy percentage increases, power consumption in battery charge controller system increases, cause the first charging current to export to power supply also corresponding increase that battery charge controller presets application, the electric current for supplying end cell charging is caused to reduce, therefore under different CPU loading condition, need to adopt different charging current allocation strategies, ensure that the first charging current and the second charging current can carry out large current charge simultaneously under light load conditions, and increase with cpu load, by suitably reducing the first charging current, and increase by the second charging current to reach the charged state balance of whole charging system.Described acquiring unit 22 is based on the mapping relations of cpu busy percentage and the first charging current, obtain the first charging current that the cpu busy percentage determined is corresponding, and the preferred embodiment that described computing unit 23 calculates the second charging current according to described first charging current and default charging current comprises, by default mode as mathematical modeling, described computing unit 23 calculates default current distribution method:
IPMIC1=Isys/ (Q*3/100+n) ... formula (1);
IPMIC2=Isys-IPMIC1 ... formula (2);
Wherein, IPMIC1 represents the first charging current, and IPMIC2 represents the second charging current; Q represents cpu load, i.e. cpu busy percentage; Isys represents the maximum permission charging current of system; N represents ratio factor, and in the present embodiment, described cpu load is divided into Three Estate, namely described ratio factor n is set to 2.
For better understanding above-described embodiment, described in detail by following example, such as, current C PU utilance is 20% (underload), then by formula (1), formula (2) can obtain the first charging current IPMIC1 value and be about 2Isys/5, second charging current IPMIC2 value is about 3Isys/5, further, when described cpu busy percentage be less than preset ratio as 3% time, described IPMIC1 account form is IPMIC1=Isys/ (Q*3/100+n)=Isys/ (3%*3/100+2), obtain described IPMIC1 and be about Isys/2, represent when load is less than preset ratio, first charging current and the second charging current are all adopt big current to charge, and charging current is the half of maximum permission charging current.When cpu busy percentage is increased to 50% (middle load), in like manner: according to formula (1), formula (2) can obtain the first charging current IPMIC1 and the second charging current IPMIC2 value is respectively: 3Isys/10 and 7Isys/10, represent under middle loading condition, the first charging current is less than the second charging current.Other situation, can calculate acquisition successively.
Processing module 30, for powering to the system in described terminal except battery according to described first charging current determined, and charges according to the battery of described second charging current to described terminal.
In the present embodiment, described acquisition module 10 first obtains cpu busy percentage, is used for quantificational expression system CPU load situation, then according to cpu busy percentage, system running state is divided into underload, middle load, heavy duty pattern.When cpu busy percentage reaches heavy duty situation, battery is also used in and powers to system, therefore, the allocative decision of different charging current is carried out for different loads pattern, under making heavy duty situation, even if the electric current that the first charging current charges the battery reduces, by improving the mode of the second charging current, make the charged state of whole system reach balance, efficiently solve the first charging current problem that charge efficiency is low in heavy duty situation.
The battery charge controller that the present embodiment proposes, in parallel charging process, its current cpu busy percentage of terminal Real-time Obtaining, and determine the first charging current in described terminal and the second charging current based on the described cpu busy percentage obtained, described terminal is powered to the system in described terminal except battery according to described first charging current determined, and charge according to the battery of described second charging current to described terminal, by the cpu busy percentage that terminal is current, determine the distribution condition of the first charging current and the second charging current, make the distribution of charging current more reasonable, instead of only charging current equivalent is distributed, improve the charge efficiency of electric current.
Further, for improving the flexibility of charging device charging, with reference to Fig. 9, propose battery charge controller second embodiment of the present invention based on the first embodiment, in the present embodiment, described battery charge controller also comprises:
Described acquisition module 10, also for when the exit instruction of parallel charge mode being detected, obtains the second current charging current;
In the present embodiment, in parallel charging process, after the electricity that battery charges reaches predetermined threshold value, the maximum permission charging current Isys of system can reduce, known according to the formula (1) of the first embodiment, and the first charged electrical fails to be convened for lack of a quorum corresponding diminishing, now the charge efficiency of parallel charge mode also reduces, therefore, when the electricity preferably charged when described battery reaches predetermined threshold value, trigger the exit instruction of parallel charge mode.
Judge module 40, for judging whether described second charging current is less than pre-determined threshold electric current;
In the present embodiment, preferably described second charging current obtained and the threshold current preset are compared, to determine whether described second charging current is less than described threshold current.
Exit module 50, for when described second charging current is less than described threshold current, exit parallel charge mode.
In the present embodiment, described pre-determined threshold electric current preferably represents that the second charging current exits the minimum charge current of parallel charge mode.Described acquisition module 10 obtains the second current charging current IPMIC2, the described second charging current IPMIC2 obtained and pre-determined threshold electric current compare by described judge module 40, if when described second charging current is less than described threshold current, then described second charging current is satisfied exits parallel charge mode condition, exits module 50 and exit parallel charge mode namely.
Further, for improving the flexibility of charging device charging, with reference to Figure 10, propose battery charge controller of the present invention 3rd embodiment based on the second embodiment, in the present embodiment, described battery charge controller also comprises:
Reduce module 60, for when described second charging current is more than or equal to described threshold current, reduce described second charging current, until described second charging current is less than pre-determined threshold electric current;
In the present embodiment, when described second charging current is more than or equal to described threshold current, do not meet the condition exiting parallel charge mode, now described second charging current obtained preferably reduces by preset ratio by described reduction module 60, described reduction module 60 reduces described second charging current mode according to the ratio preset recalculates described second charging current preferably by the computing formula preset, and obtain the second charging current recalculated, described computing formula is preferably:
IPMIC2=IPMIC2* (1-1/m) ... ... ... ... ... ... ... ... ... ... formula (3);
Wherein, m: represent ratio factor, ordinary circumstance, the second charging current IPMIC2 is reduced to previous 75%, and namely m value is 4.Be understandable that, described ratio factor m specifically can test effect according to reality and reduce.
Describedly exit module 50, also for when described second charging current is less than pre-determined threshold electric current, exit parallel charge mode.
In the present embodiment, after the second charging current reduces, namely described second charging current is reduced electric current in the ratio preset by described reduction module 60, the second charging current after reducing is compared with the threshold current preset, judge whether the second charging current after described reduction is less than default threshold current, if the second charging current after reducing is less than default threshold current, exit module 50 then and exit parallel charge mode, enter normal charging mode to charge, if the second charging current after reducing is more than or equal to default threshold current, then described reduction module 60 continues to reduce described second charging current, until the second charging current after reducing is less than default threshold current, the described module that exits exits parallel charge mode for 50 piece 50, as long as when that is described second charging current is more than or equal to default threshold current, described reduction module 60 can circulate and reduce described second charging current, described second charging current is reduced gradually.Be understandable that, the mode reduced gradually by this electric current, the charging current of system can not fluctuate too large, and the cell voltage of system also there will not be unexpected reduction and affects the judgement of charging device to constant voltage mode, thus improves the efficiency of parallel charging.
It should be noted that, in this article, term " comprises ", " comprising " or its other variant any are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or system and not only comprise those key elements, but also comprise other key element clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or system.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the system comprising this key element and also there is 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 can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a charge control method, is characterized in that, described charge control method comprises the following steps:
In parallel charging process, its current cpu busy percentage of terminal Real-time Obtaining;
Described terminal determines the first charging current in described terminal and the second charging current based on the described cpu busy percentage obtained;
Described terminal is powered to the system in described terminal except battery according to described first charging current determined, and charges according to the battery of described second charging current to described terminal.
2. charge control method as claimed in claim 1, is characterized in that, based on the described cpu busy percentage obtained, described terminal determines that the step of the first charging current in described terminal and the second charging current comprises:
Described terminal determines the described cpu busy percentage obtained;
Described terminal, based on the mapping relations of cpu busy percentage and the first charging current, obtains the first charging current that the cpu busy percentage determined is corresponding;
Described terminal, according to described first charging current obtained and default charging current, calculates the second charging current of described mobile terminal.
3. charge control method as claimed in claim 1, it is characterized in that, described terminal is powered to the system in described terminal except battery according to described first charging current determined, and after the step of charging according to the battery of described second charging current to described terminal, described charge control method comprises:
When the exit instruction of parallel charge mode being detected, described terminal obtains the second current charging current;
Described in described terminal judges, whether the second charging current is less than pre-determined threshold electric current;
When described second charging current is less than described threshold current, described terminal exits parallel charge mode.
4. charge control method as claimed in claim 3, it is characterized in that, after described in described terminal judges, whether the second charging current is less than the step of pre-determined threshold electric current, described charge control method comprises:
When described second charging current is more than or equal to described threshold current, described terminal reduces described second charging current, until described second charging current is less than pre-determined threshold electric current;
When described second charging current is less than described threshold current, described terminal exits parallel charge mode.
5. a battery charge controller, is characterized in that, described battery charge controller comprises:
Acquisition module, in parallel charging process, obtains the cpu busy percentage that it is current;
Determination module, for determining the first charging current in described terminal and the second charging current based on the described cpu busy percentage obtained;
Processing module, for powering to the system in described terminal except battery according to described first charging current determined, and charges according to the battery of described second charging current to described terminal.
6. battery charge controller as claimed in claim 5, it is characterized in that, described determination module comprises:
Determining unit, for determining the described cpu busy percentage obtained;
Acquiring unit, for the mapping relations based on cpu busy percentage and the first charging current, obtains the first charging current that the cpu busy percentage determined is corresponding;
Computing unit, for according to described first charging current obtained and default charging current, calculates the second charging current of described mobile terminal.
7. battery charge controller as claimed in claim 5, it is characterized in that, described acquisition module, also for when the exit instruction of parallel charge mode being detected, obtains the second current charging current;
Described battery charge controller comprises:
Judge module, for judging whether described second charging current is less than pre-determined threshold electric current;
Exit module, for when described second charging current is less than described threshold current, exit parallel charge mode.
8. battery charge controller as claimed in claim 7, it is characterized in that, described battery charge controller also comprises:
Reduce module, for when described second charging current is more than or equal to described threshold current, reduce described second charging current, until described second charging current is less than pre-determined threshold electric current;
Describedly exit module, also for when described second charging current is less than pre-determined threshold electric current, exit parallel charge mode.
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