CN110121812A - To method, charging unit and the terminal device of battery charging - Google Patents

To method, charging unit and the terminal device of battery charging Download PDF

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Publication number
CN110121812A
CN110121812A CN201680091966.8A CN201680091966A CN110121812A CN 110121812 A CN110121812 A CN 110121812A CN 201680091966 A CN201680091966 A CN 201680091966A CN 110121812 A CN110121812 A CN 110121812A
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China
Prior art keywords
charging
threshold
electrical parameter
charge
battery
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CN201680091966.8A
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Chinese (zh)
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CN110121812B (en
Inventor
张俊彪
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Honor Device Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN202110319184.8A priority Critical patent/CN113346568B/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/446—Initial charging measures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The method to charge to battery and the charging unit for executing this method that the embodiment of the present invention provides, wherein, before the time that external charger is continuously turned on is more than time threshold, execute the first charge mode, first charge mode makes battery be in high-voltage charging state always, so that user is perceived battery and is filled with state always, be more than the time threshold after execute the second charge mode, second charge mode makes battery be in the mode to charge again after nature electric discharge, and battery is avoided the quality problems of battery bulge etc. occur because being chronically at high-voltage charging state.In the method the replaceable timing time of number is filled by detection again, i.e., when detecting that filling number again in the first charge mode reaches frequency threshold value, is switched to the second charge mode and charges.The embodiment of the invention also provides the charging methods that can cooperate user's interaction, the interaction including charging modes may be selected, and different from the first charge mode charging mark prompt users in second charge mode.

Description

To method, charging unit and the terminal device of battery charging Technical field
The present invention relates to the charging method of electronic technology field more particularly to a kind of pair of battery, charging unit and terminal devices.
Background technique
An important factor for today's society, terminal device become the daily required articles of user, and the battery for power supply becomes evaluation terminal device performance.With the generally miniaturization of terminal device, the requirement to battery is increasingly improved, and lithium battery is widely used.
When external charger insertion terminal device for a long time, after electricity is full of also recharging (also cry and fill again) can be repeated in high pressure phase in lithium battery.Under high voltage environment, constant pressure (CV, Constant-Voltage) charging is persistently carried out, oxidation reaction occurs for the cathode that will lead to battery, and releases oxygen (O2), oxygen and the solvent esters in electrolyte, such as ethylene carbonate (EC) or propene carbonate (PC) etc. occur oxygenolysis chemical reaction and discharge carbon dioxide (CO2).Its chemical equation (149 (7) A912-A919 (2002) of D.D MacNeil J.R.Dahn ECS) are as follows:
Therefore, repeat recharging and will cause cell voltage and maintain always to charge under high-voltage state, time length can make inside battery generate gas, form bulge, influence the quality and safety of battery.
Summary of the invention
The embodiment of the present invention describes the charging method and charging unit to battery, to improve the safety of battery.
The charging method of a kind of pair of battery provided according to a first aspect of the present invention, the charging method are considered as this and filled by the identification external charger time in place if the time in place is more than a preset time threshold Electricity was in prolonged charged state, such as it is considered unattended state for a long time, into after this state, it then detects after battery reaches a lower charge value or voltage value and is charging, that is, allow battery from high voltage to low-voltage nature power consumption, then the Natural Circulation period from low-voltage to high-voltage charge, this 100 situation of user's normal use mobile phone of class, to avoid carrying out recharging repeatedly under high-voltage state for a long time, and then evade battery bulge risk, improves battery security.
Specifically, the charging method includes: firstly, when detecting that external charger is connected, and starting is charged, and starts timing；During detecting that the external charger is continuously turned on, after progress initial charge is full of to electricity, before timing time reaches time threshold, execute the first charge mode, first charge mode includes when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it is again started up and charges to electricity and be full of, after timing time reaches the time threshold, execute the second charge mode, second charge mode includes when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, it is again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter；Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
That is, in each embodiment of following various aspects, the first threshold is the first power threshold, and the second threshold is the second power threshold, and the third threshold value is third power threshold in conjunction with above-described embodiment；Alternatively, the first threshold is first voltage threshold value, the second threshold is second voltage threshold value, and the third threshold value is tertiary voltage threshold value.
The charging method described in conjunction with the first embodiment of first aspect present invention, in a second embodiment, it is described before timing time reaches time threshold, when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it is again started up charging and is full of using constant voltage charging method to electricity.
The charging method described in conjunction with the first embodiment of first aspect present invention, in the third embodiment, power threshold or voltage threshold when the third threshold value is full of for battery capacity, it is described after timing time reaches time threshold, it is charged to after cell voltage reaches charge cutoff voltage using constant current charging method, then electricity is charged to using constant voltage charging method and is full of.
In conjunction with the charging method that the first embodiment of first aspect present invention is described to 3rd embodiment, in the fourth embodiment, during detecting that the external charger is continuously turned on, when the timing time reaches Between threshold value when, suspend charging if currently charging, until detecting that the battery capacity is again started up charging less than the second power threshold or when detecting the cell voltage less than second voltage threshold value.
The charging method described in conjunction with the first embodiment of first aspect present invention to fourth embodiment, in the 5th embodiment, in one embodiment, the electrical parameter is electricity, the first threshold is the 95%~99% of the charge value that the battery capacity is full of, the second threshold is the 5%~50% of the charge value that the battery capacity is full of, in another embodiment, the first threshold states 95% corresponding voltage value of the charge value that battery capacity is full of, and the second voltage threshold value is less than or equal to 50% corresponding voltage value of the charge value that the battery capacity is full of.
The charging method for a kind of pair of battery that an embodiment provides according to a second aspect of the present invention substitutes timing in charging process on the basis of each embodiment of first aspect, fills the method for number again using record, switches charge mode.
Specifically, the charging method includes: the starting charging first when detecting that external charger is connected；During detecting that the external charger is continuously turned on: after progress initial charge is full of to electricity, execute the first charge mode, first charge mode includes when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it is again started up and charges to electricity and be full of, and the cumulative number to charge again, after the added up number to charge again reaches frequency threshold value, execute the second charge mode, second charge mode includes when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, it is again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter；Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
The charging method described in conjunction with second aspect of the present invention first embodiment, in a second embodiment, in first charge mode, when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it is again started up charging and is full of using constant voltage charging method to electricity.
The charging method described in conjunction with the first embodiment of second aspect of the present invention, in the third embodiment, the value of the electrical parameter when third threshold value is full of for battery capacity, after the added up number to charge again reaches frequency threshold value, i.e. in second charge mode, it is charged to after cell voltage reaches charge cutoff voltage using constant current charging method, then electricity is charged to using constant voltage charging method and is full of.
The charging method described in conjunction with the first embodiment of second aspect of the present invention to 3rd embodiment, in the fourth embodiment, in one embodiment, the electrical parameter is electricity, the first threshold is the 95%~99% of the charge value that the battery capacity is full of, the second threshold is the 5%~50% of the charge value that the battery capacity is full of, in another embodiment, the first threshold states 95% corresponding voltage value of the charge value that battery capacity is full of, and the second voltage threshold value is less than or equal to 50% corresponding voltage value of the charge value that the battery capacity is full of.
The charging unit that an embodiment provides according to a third aspect of the present invention, the charging unit includes processor and charging chip；The processor connects situation for timing, according to external charger and timing time is controlled the charging chip and charged using different charging modes.
Specifically, the processor starts timing when detecting that external charger is connected, and controls the charging chip starting charging；The processor is during detecting that the external charger is continuously turned on: controlling the charging chip and carries out after initial charge is full of to electricity, before timing time reaches time threshold, when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it controls the charging chip and is again started up and charge to electricity and be full of, after timing time reaches the time threshold, when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, it controls the charging chip and is again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter；Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
The charging unit provided in conjunction with third aspect present invention first embodiment, in a second embodiment, before timing time reaches time threshold, the processor is when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, the charging chip is controlled to be again started up charging and be full of using constant voltage charging method to electricity, wherein, the charging chip charges to electricity using constant voltage charging method and is full of.
The charging unit provided in conjunction with third aspect present invention first embodiment, in the third embodiment, the processor is after timing time reaches time threshold, it is less than the first threshold of the electrical parameter constantly in the value for detecting the electrical parameter of the battery, control is again started up charging and is full of using constant voltage charging method to electricity, wherein, the charging chip is charged to after cell voltage reaches charge cutoff voltage using constant current charging method, then is charged to electricity using constant voltage charging method and be full of.
In conjunction with the charging unit that third aspect present invention first embodiment provides, in the third embodiment, during detecting that the external charger is continuously turned on, the processor controls the charging chip pause charging when the timing time reaches time threshold.
In conjunction with third aspect present invention first embodiment to the charging unit of any one of 3rd embodiment description, in the fourth embodiment, the processor is integrated with the charging chip.
In conjunction with third aspect present invention first embodiment to the charging unit of any one of 3rd embodiment description, in the 5th embodiment, the processor is main control chip.
In conjunction with third aspect present invention first embodiment to the description of any one of the 5th embodiment charging unit, in the sixth embodiment, the charging unit further includes voltameter, and the voltameter obtains the battery capacity from the voltameter for acquiring the battery capacity, the processor.
In conjunction with third aspect present invention first embodiment to the description of any one of sixth embodiment charging unit, in the seventh embodiment, the electrical parameter is electricity, the first threshold is the 95%~99% of the charge value that the battery capacity is full of, the second threshold is the 5%~50% of the charge value that the battery capacity is full of, the first threshold states 95% corresponding voltage value of the charge value that battery capacity is full of, and the second voltage threshold value is less than or equal to 50% corresponding voltage value of the charge value that the battery capacity is full of.
The charging unit provided according to a fourth aspect of the present invention, the charging unit include: processor and charging chip；On the basis of each embodiment of the third aspect, processor substitutes timing in charging process, fills the method for number again using record, to control charging chip switching charge mode, charges.
Specifically, the processor controls the charging chip starting charging when detecting that external charger is connected；During detecting that the external charger is continuously turned on: after the processor control charging chip progress initial charge is full of to electricity, execute the first charge mode, first charge mode includes the processor when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it controls the charging chip and is again started up and charge to electricity and be full of, and the cumulative number to charge again；After the added up number to charge again reaches frequency threshold value, execute the second charge mode, second charge mode includes being again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter；Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, the third Threshold value is greater than the second threshold.
The charging unit described in conjunction with fourth aspect present invention first embodiment, in a second embodiment, in first charge mode, the processor is when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, control charging chip is again started up charging, and charges to electricity using constant voltage charging method and be full of.
The charging unit described in conjunction with fourth aspect present invention first embodiment, in the third embodiment, the value of the electrical parameter when third threshold value is full of for battery capacity, after the added up number to charge again reaches frequency threshold value, i.e. in second charge mode, the processor is less than the second threshold of the electrical parameter constantly in the value for detecting the electrical parameter of the battery, control charging chip is again started up charging, the charging chip is charged to after cell voltage reaches charge cutoff voltage using constant current charging method, electricity is charged to using constant voltage charging method again to be full of.
The charging unit described in conjunction with the first embodiment of fourth aspect present invention to 3rd embodiment, in the fourth embodiment, the electrical parameter is electricity, the first threshold is the 95%~99% of the charge value that the battery capacity is full of, the second threshold is the 5%~50% of the charge value that the battery capacity is full of, the first threshold states 95% corresponding voltage value of the charge value that battery capacity is full of, and the second voltage threshold value is less than or equal to 50% corresponding voltage value of the charge value that the battery capacity is full of.
In conjunction with the charging unit that the first embodiment of fourth aspect present invention is described to fourth embodiment, in the 5th embodiment, the processor is integrated with the charging chip.
In conjunction with the charging unit that the first embodiment of fourth aspect present invention is described to fourth embodiment, in the sixth embodiment, the processor is main control chip.
In conjunction with fourth aspect present invention first embodiment to the description of any one of sixth embodiment charging unit, in the seventh embodiment, the charging unit further includes voltameter, and the voltameter obtains the battery capacity from the voltameter for acquiring the battery capacity, the processor.
The charging unit that an embodiment provides according to a fifth aspect of the present invention, wherein the charging unit includes: timing unit, charging control unit and charhing unit.
Firstly, the charging control unit, when detecting that external charger is connected, charhing unit starting is charged, also, the timing unit starts timing；Charging control unit is detecting that the external charger persistently connects During logical, the charhing unit is controlled charge to after electricity is full of, the timing time that the charging control unit is recorded according to the timing unit, judge the timing time whether arrival time threshold value, before timing time reaches time threshold, execute the first charge mode, the charging control unit, which controls the charhing unit when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter and is again started up, to be charged to electricity and is full of, after timing time reaches time threshold, execute the second charge mode, the charging control unit is when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, it controls the charhing unit and is again started up and charge to electricity and be full of；Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
In conjunction with the charging unit that fifth aspect present invention first embodiment provides, in a second embodiment, the timing unit and the charging control unit are integrated in main control chip.
In conjunction with the charging unit that fifth aspect present invention the first embodiment or the second embodiment provides, in the third embodiment, the charhing unit is charging chip.
In conjunction with the charging unit that fifth aspect present invention first embodiment provides, in the fourth embodiment, the timing unit, the charging control unit and the charhing unit are integrated.
The charging unit that an embodiment provides according to a sixth aspect of the present invention, wherein the charging unit includes: metering unit, charging control unit and charhing unit.
Wherein, firstly, the charging control unit is when detecting that external charger is connected, the charhing unit starting charging is controlled；During detecting that the external charger is continuously turned on: the charging control unit controls the charhing unit and charge to after electricity is full of, carry out the first charge mode, the charging control unit is when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it controls the charhing unit and is again started up and charge to electricity and be full of, and the cumulative number to charge again of the metering unit, after the added up number to charge again reaches frequency threshold value, carry out the second charge mode, the charging control unit detect battery capacity less than the second power threshold or detect the cell voltage be less than second voltage threshold value when, the starting of charhing unit described in secondary control charges to electricity and is full of again；Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
It is in a second embodiment, described in conjunction with the charging unit that sixth aspect present invention first embodiment provides Metering unit and the charging control unit are integrated in main control chip.
In conjunction with the charging unit that sixth aspect present invention first embodiment provides, in the third embodiment, the charhing unit is charging chip.
In conjunction with the charging unit that sixth aspect present invention first embodiment provides, in the fourth embodiment, the metering unit, the charging control unit and the charhing unit are integrated.
The charging unit provided in conjunction with sixth aspect present invention first embodiment to fourth embodiment, in the 5th embodiment, the processor is by sending charging instruction and charge parameter to the charging chip, the charging chip completes the single charge process to the battery according to the charging instruction and the charge parameter, when processor sends new charging instruction and charge parameter to the charging chip, the charging chip is again started up corresponding charging process.
The charging unit provided according to a fifth aspect of the present invention, a kind of terminal device, the terminal device includes: battery and charging unit, wherein, the charging unit that the charging unit is provided using each embodiment of third aspect present invention, each embodiment of fourth aspect, each embodiment of the 5th aspect or the 6th aspect.
The method of a kind of pair of battery charging provided according to a seventh aspect of the present invention, wherein the method is after timing time reaches time threshold, and when detecting the input signal, then from it is described detect that external charger is connected re-execute charging process.It specifically includes: when detecting that external charger is connected, starting charging, and start timing；During detecting that the external charger is continuously turned on: step 1, after progress initial charge is full of to electricity, step 2, before timing time reaches time threshold, execute the first charge mode, first charge mode is when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it is again started up and charges to electricity and be full of, step 3, after timing time reaches time threshold, and during input signal is not detected, execute the second charge mode, second charge mode is when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, it is again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter；After timing time reaches time threshold, and when detecting the input signal, reclocking, and the step 1 is re-executed to the step 3；Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
Wherein, the input signal be detected user to be electrically charged equipment carry out input operation signal.
It is worth mentioning, the method described in seventh aspect present invention can form specific embodiment mode in conjunction with content described in each embodiment of first aspect present invention.
The method of a kind of pair of battery charging provided according to a eighth aspect of the present invention, wherein, the method has provided a user the interaction page of optional charging modes, and different charging modes are used according to operation information of the user to the interaction page, specifically, include: display interaction page, and obtains the operation information that user is inputted based on the page；When the operation information includes first choice information, then charged using the first charging modes；When the operation information includes the second selection information, then charged using the second charging modes, performed charge mode is more than charge mode performed in first charging modes in second charging modes.
The method provided in conjunction with eight aspect first embodiments of the invention, in a second embodiment, first charging modes include: when detecting that external charger is connected, starting charging, and during detecting that the external charger is continuously turned on: after progress initial charge is full of to electricity, execute the first charge mode, first charge mode is to be again started up when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter and charge to electricity and be full of；Second charging modes include: the starting charging when detecting that external charger is connected, and start timing；During detecting that the external charger is continuously turned on: after progress initial charge is full of to electricity, before timing time reaches time threshold, execute first charge mode, after timing time reaches the time threshold, execute the second charge mode, second charge mode is to be again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter；Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
The method provided in conjunction with eight aspect first embodiments of the invention, in the third embodiment, first charging modes include: that first charging modes include: when detecting that external charger is connected, starting charging, and during detecting that the external charger is continuously turned on: after progress initial charge is full of to electricity, execute the first charge mode, first charge mode is to be again started up when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter and charge to electricity and be full of；Second charging modes include: the starting charging when detecting that external charger is connected；Detecting that the external charger persistently connects During logical: carrying out after initial charge is full of to electricity, when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, be again started up and charge to electricity and be full of, and the cumulative number to charge again；After the added up number to charge again reaches frequency threshold value, when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, it is again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter；Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
The method provided in conjunction with eight aspect first embodiments of the present invention to 3rd embodiment, in the fourth embodiment, the method shows different charging marks also under different charge modes to user, specifically include: when the operation information includes first choice information, then the first charging of display identifies during detecting that the external charger is continuously turned on；When the operation information includes the second selection information, it is carrying out initial charge and is executing to show the first charging mark in first charge mode, the second charging of display mark in executing second charge mode, wherein the second charging mark is different from the first charging mark.
It is worth mentioning that, the first charging mark and the second charging mark may be displayed on user interface visible area, such as be shown in by the mark for showing battery capacity, the first charging mark and the second charging mark can be distinguished by the difference of shape, color or size.
In summary, by identifying the external charger time in place, if the time in place is more than a preset time threshold, it is considered as the charged state that the charging is in the too long time, , into after this state, it then detects after battery reaches a lower charge value or voltage value and is charging, allow battery from high voltage to low-voltage nature power consumption, the Natural Circulation period from low-voltage to high-voltage charge again, this 100 situation of user's normal use mobile phone of class, to avoid carrying out recharging under high-voltage state for a long time, and then evade battery bulge risk, improve battery security.
Specifically, the method to charge to battery and the charging unit for executing this method that the embodiment of the present invention provides, wherein, before the time that external charger is continuously turned on is more than time threshold, execute the first charge mode, first charge mode makes battery be in high-voltage charging state always, so that user is perceived battery and is filled with state always, be more than the time threshold after execute the second charge mode, second charge mode makes battery be in the mode to charge again after nature electric discharge, and battery is avoided the quality problems of battery bulge etc. occur because being chronically at high-voltage charging state.In the method the replaceable timing time of number is filled by detection again, that is, detected in the first charging When filling number again in mode and reaching frequency threshold value, it is switched to the second charge mode and charges.
Further, the embodiment of the present invention can cooperate the charging method of user's interaction, interaction including charging modes may be selected, and the charging mark different from the first charge mode prompts the current charge mode of user in second charge mode, it allows users to distinguishing charger and is in the different charge modes that non-normal working is under working normally, further increase the safety of charging.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, attached drawing needed in describing below to embodiment is briefly introduced.In the accompanying drawings, identical mark indicates corresponding part.
Fig. 1 shows the brief configuration schematic diagram of an embodiment provides according to the present invention charging unit, external charger and battery；
Fig. 2 shows the flow diagrams that the charging unit that an embodiment according to the present invention provides charges；
Fig. 3 shows the battery capacity schematic diagram that the charging unit that an embodiment provides according to the present invention charges；
Fig. 4 shows the battery capacity schematic diagram that the charging unit that another embodiment provides according to the present invention charges；
Fig. 5 shows the simplified diagram for the terminal device that an embodiment provides according to the present invention；
Fig. 6 shows the brief configuration schematic diagram for the terminal device that an embodiment provides according to the present invention；
Fig. 7 a and Fig. 7 b show the simplified diagram for the terminal device that another embodiment provides according to the present invention；
Fig. 8 a~Fig. 8 e shows the simplified diagram for the terminal device that another embodiment provides according to the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention is described further.
Herein, several voltage concepts can be mentioned, carry out simplicity of explanation herein；Charging limitation voltage: the build-in attribute of lithium ion battery, each lithium ion battery can all provide a charging limitation voltage, indicate the voltage to charge to lithium ion absolutely no more than charging limitation voltage.Charge cutoff voltage: the maximum charging voltage of charging chip setting, this charge cutoff voltage are generally equivalent to the limitation voltage that charges, but sometimes in view of filling Electrical chip voltage acquisition has positive negative error, and the charge cutoff voltage of setting can be slightly less than charging limitation voltage, even if to guarantee that the virtual voltage for being added in battery both ends in worst error does not exceed charging limitation voltage, it is ensured that cell safety.Constant-voltage charge voltage: the voltage of charger output when into constant-voltage phase charges normal and constant-voltage charge voltage is all generally set to charge cutoff voltage.The charging limitation voltage describes the attribute of battery, and the charge cutoff voltage and the constant-voltage charge voltage are all the output attributes for describing charging chip.
In conjunction with foregoing teachings, the charging method to battery provided according to some embodiments of the invention, by identifying the external charger time in place, if the time in place is more than a preset time threshold, it is considered as the charged state that the charging is in the too long time, such as it is considered unattended state for a long time, into after this state, it then detects after battery reaches a lower charge value or voltage value and is charging, allow battery from high voltage to low-voltage nature power consumption, the Natural Circulation period from low-voltage to high-voltage charge again, this 100 situation of user's normal use mobile phone of class, to avoid carrying out recharging under high-voltage state for a long time, and then evade battery bulge risk, improve battery security.
Fig. 1 shows a kind of charging unit 10 provided according to an aspect of the present invention, and shown charging unit 10 includes processor 12 and charging chip 14.
External charger 30 detects after accessing by processor 12, and after identifying charger type, after processor 12 configures charge parameter to charging chip 14 by communication interface, the starting charging of charging chip 14.
Wherein, the charging chip 14 can be integrated digital-analog mix-mode chip, and the control signal that can be sent according to processor starts corresponding charge mode.The charge mode of charging chip 14 can be designed according to actual product in battery 20 technique require setting.
In some embodiments, the processor 12 can be the main control chip of terminal device, main control chip is responsible for detecting the access of external charger, and handles recharge logic according to the case where access situation and present battery of charger, and controls charging chip 14 and carry out charging process.
In some embodiments, the processor 12 can also be integrated with the charging chip 14.
Fig. 2 shows the flow diagrams for the charging process that an embodiment according to the present invention provides.In the step s 100, the processor 12 can send starting charging signals when detecting external charger insertion terminal device and connecting to the charging chip 14, to control the starting of charging chip 14 charging.
In step s 200, processor 12 detects whether the external charger 300 is continuously turned on, if holding Continued access is logical, thens follow the steps S300, the step S300 is the step of persistently charging during the external charger is continuously turned on, and the step S300 includes step S301, step S302, step S303 and step S304.If detecting that external charger S300 is disconnected at any time when executing the step S300, then stopping executing the step S300, when subsequent external charger 300 recloses, be re-executed from executing step S100.
Then, in step S301, during external charger is continuously turned on, the charging chip 14 charges, until battery capacity is full of.
According to the characteristic of lithium battery, the charging process that battery is full of from zero power or low battery to electricity, it generally includes: trickle charge (providing the charging current of very little to battery with low rate and constant manner), constant-current charge (charging current is fixed), constant-voltage charge (charging voltage is fixed) several stages, with the development of large current charge technology, constant-current phase may include multiple stages, and each stage is charged using different electric currents.
In some embodiments, charging process may include: (such as the 2.8V below trickle-constant current conversion voltage value, 3V, 3.1V or 3.2V etc., it can specifically be determined according to product design), using trickle charge (Tickle-charge), when more than trickle-constant current conversion voltage value to close to charge cutoff voltage, using constant-current charge, constant-current charge may include include pre-charging stage (Pre-charge) and charging quickly stage (Fast-charge), blanking voltage, which can be, is set to 4.2V, 4.3V, 4.4V or 4.5V etc., then close to charge cutoff voltage, such as 3.8V can be set in, such as the charging of constant-voltage charge voltage close to battery limits voltage, such as charging limitation voltage (limited C Harge Voltage) it is 4.2V, the corresponding constant-voltage charge voltage of battery can then be set as 4.2V, 4.35V battery constant-voltage charge voltage is set in 4.35V, the corresponding constant-voltage charge voltage of 4.4V battery be 4.4V) when enter constant-voltage charge, (for example, 0.020C, 0.025C, 0.030C etc. when the charging current of constant-voltage charge process drops to current threshold, here C refers to battery capacity, battery unit C=3000mA) it is determined as electricity and is full of, after the processor 12 detects that the battery capacity is full of, the pause charging of charging chip 14 can be controlled.
Then, terminal device can provide electric energy by battery for system operation.The processor 12 accessed since external charger and charging timing, and continue to continue timing in charging process in the external charger, the processor 12 obtains battery capacity, wherein can pass through the electricity of voltameter acquisition battery.Wherein, voltameter, which can be, is independently arranged in terminal device, be also possible to be integrally disposed on the processor 12 or In other hardware devices.
In step s 302, judge timing time whether arrival time threshold value, S303 is executed if not reaching, if reach execute step S304.
In step S303, before timing time reaches time threshold, processor 120 sends charge parameter and charging instruction to charging unit 10, the charging unit is set to execute the first charge mode, i.e. when the processor 12 detects the battery capacity less than the first power threshold, controls the charging chip 14 and be again started up and charge to electricity and be full of.In step s 304, after timing time reaches time threshold, charging unit executes second of charge mode, i.e., when the processor 12 detects the battery capacity less than the second power threshold, controls the charging chip 14 and be again started up and charge to electricity and be full of.Wherein, second power threshold is less than first power threshold.
Wherein, at the time of timing time arrival time threshold value, the processor 12 can detecte whether current charging chip 14 is in charged state, if being in charged state, the charging chip 14, which can be immediately controlled, in the processor 12 stops currently charging, until battery capacity drops to the battery capacity less than second power threshold, or, the processor 12 waits current charging process to terminate, it is switched to the second charge mode again, i.e. when detecting the battery capacity less than the second power threshold, the charging chip 14 is controlled again be again started up charge to electric third power threshold.
It is noted that the third power threshold can be the 50%~100% of the charge value that battery is full of, for example, electricity be full of 55%, 60%, 80%, 90%, 100% etc..If the third power threshold is exactly the charge value of battery charging, i.e., in a second mode, it is full of if starting charging is plugged in electricity.
In some embodiments, time threshold can be 4 hours, 24 hours, 48 hours, 7 days, 1 month etc., specifically be determined according to terminal device and battery performance.
Fig. 3 shows the battery capacity schematic diagram that the charging unit that an embodiment provides according to the present invention charges, in conjunction with Fig. 3, in some embodiments, in the first described charge mode, the charge value of first power threshold relatively battery capacity full state, first power threshold can be the 95%~99% of the charge value of battery full state, such as 95% is set according to product design, 96%, 97% or 98% etc., in some embodiments, the setting of first power threshold can be, the voltage of battery always voltage close to charge cutoff voltage, then in this course, the processor 12 controls charging chip 14 using the side of constant-voltage charge Formula is battery charging, charging process maintains battery almost repeatedly to fill again under high pressure conditions (state being full of close to electricity always), to make user choose at any time in this stage terminal device when, the electricity of the battery of terminal device is all in the state for being full of or being filled substantially with.
In second of charge mode, the charge value of second power threshold relatively dead battery capability state, second power threshold can be the 1%~50% of the charge value of battery full state, such as be set in 5%, 10%, 20% or 30% etc. according to product design.In this course, the processor 12 can control the charging chip 14 and charge the battery, such as, it is charged to after cell voltage reaches charge cutoff voltage using constant current charging method, it charges to electricity using constant voltage charging method again to be full of, to make battery be in nature power consumption state, after battery discharges into a lower electricity naturally, it avoids in the case where causing end product to shut down because of low battery, the processor 12 controls the charging chip 14, and charge value electricity is full of again.
Period disconnects if external charger is extracted, and stops timing and charging process, and when external charger accesses again, restarting timing and starting charging re-execute above-mentioned steps.
On the basis of previous embodiment, after completing to charge to and be full of for the first time after charger insertion, the processor 12 can also be again started up charging by detecting the cell voltage to control charging chip 14.That is, before timing time reaches time threshold, when executing the first charge mode, when the processor 12 detects that the cell voltage is less than first voltage threshold value, controls the charging chip 14 and be again started up and charge to electricity and be full of.After timing time reaches time threshold, when executing second of charge mode, when the processor 12 detects the cell voltage less than the second power threshold, controls the charging chip 14 and be again started up and charge to electricity and be full of.Wherein, the second voltage threshold value is less than the first voltage threshold value.In some embodiments, cell voltage can pass through the real-time collection voltages value of an analog-to-digital conversion module.
Wherein, the first voltage threshold value can be set as being equal to the corresponding voltage of first power threshold, and the second voltage threshold value can be set as being equal to the corresponding voltage of second power threshold.In some embodiments, the first voltage threshold value is the 95%~99% of battery charge cutoff voltage, constant voltage charging time will be grown very much if low again, it is practical to be still almost shown as full state on display interface in this electricity, purpose is in order not to allow user to find electricity decline, and the second voltage threshold value is less than or equal to 50% corresponding voltage value of the charge value that the battery capacity is full of.For example, the charge cutoff voltage is set as 4.4V, first Voltage threshold is set as 4.35V, and second voltage threshold value is set as 3.6V or 3.7V.
The charging unit that embodiment provides according to a second aspect of the present invention.Provided by first aspect on the basis of charging unit 10, timing is substituted in charging process, fills the method for number again using record.I.e., after in first time, battery capacity is full of, and during external charger persistently accesses, it is charged first using the first charge mode, by being recorded in the number filled again in first charge mode, after detecting that the number filled again is more than frequency threshold value, it is switched to second charge mode and charges.
In conjunction with Fig. 4, in the step s 100, the processor 12 of the charging unit 100 controls the starting charging of charging chip 14 of the charging unit when detecting that external charger is connected；The processor 12 described in step S200 executes step S300 during detecting that the external charger is continuously turned on.In step S301, the charging chip 14 is controlled charge to after electricity is full of, in step S302 ', judgement fills whether number reaches frequency threshold value again, in not up to frequency threshold value, execute step S303 ', the processor 12 is detecting the battery capacity less than the first power threshold and be again started up that charging to electricity is full of, and the processor 12 adds up the number to charge again after filling again every time；After the added up number to charge again reaches frequency threshold value, step S304 ' is executed, is detecting battery capacity less than the second power threshold and be again started up that charging to electricity is full of；Wherein, second power threshold is lower than first power threshold.
On the basis of the embodiment of first aspect and second aspect previous embodiment, after external charger insertion is completed to charge to for the first time and is full of, the processor 12 can also be again started up charging by way of detecting the cell voltage substitution detection battery capacity to control charging chip 14, it detects whether the cell voltage is less than first voltage threshold value in the first charge mode, detects whether the cell voltage is less than second voltage threshold value in charge mode in second.
Wherein, the setting means of the first power threshold, the second power threshold, first voltage threshold value and second voltage threshold value can be with reference to the description of the embodiment of first aspect.Frequency threshold value can be determining according to battery specific performance, such as can be with 20~100 times, such as is arranged at 30 times, 40 times, 80 times etc..
Period disconnects if external charger is extracted, and stopping is cumulative several times, number is zeroed and charging process, when external charger accesses again, restarts and adds up metering and start charging, that is, re-execute above-mentioned steps.
In some embodiments, after timing time reaches time threshold, the processor 12 detects one When input signal, then S100~step S300 is re-execute the steps.Such as, when user often travels on business trips outside, period mobile phone 100 inserts external charger for a long time, after time threshold (or being again started up the number of charging in the first charge mode is more than frequency threshold value), terminal device is determined as after unattended state, control charging chip 14 is charged using the second charge mode, when terminal device detects the operator input signal of user, such as, detect that user clicks the operation input information that any key on terminal device lights screen, then think that user has returned, then it re-execute the steps S100~step S300, starting charging immediately, and reclocking (or metering again).If processor 12 still detects that external charger 30 continues to turn on, charging chip 14 is controlled according to timing time (or the number for being again started up charging in the first charge mode) and is charged using the first charge mode or the second charge mode.
It is demonstrated in shops in mobile phone 100, demonstration mobile phone 100 is up to the slotting charger of several months, and slotting charger carries out charging up to time several months；Or, under taxi or the long-term usage scenario for connecting charger of other needs, for another example, user, which goes on business, to be forgotten charger extraction etc., using charging method described in the embodiment of the present invention, it is possible to prevente effectively from above-mentioned scene, terminal device constantly carries out recharging (filling again) under high-voltage state for a long time, effectively avoids the risk of battery bulge.
According to some embodiments of the invention, the charging unit can be only fitted on terminal device, here, the terminal device can be mobile device with charge function, such as mobile phone 100, tablet computer, laptop, intercom, wearable device etc..
The terminal device may include mobile phone 100, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS (Point of Sales, point-of-sale terminal), vehicle-mounted computer etc..
By taking terminal device is mobile phone 100 as an example, Fig. 6 shows the block diagram of the part-structure of mobile phone 100 relevant to the embodiment of the present invention.With reference to Fig. 6, the components such as mobile phone 100 includes, RF (Radio Frequency, radio frequency) circuit 110, memory 120, other input equipments 130, display screen 140, sensor 150, voicefrequency circuit 160, I/O subsystem 170, processor 180 and power supply 190.It will be understood by those skilled in the art that 100 structure of mobile phone shown in Fig. 6 does not constitute the restriction to mobile phone 100, it may include perhaps combining certain components than illustrating more or fewer components and perhaps splitting certain components or different component layouts.Skilled person is understood that display screen 140 belongs to user interface (UI, User Interface), and mobile phone 100 may include than diagram or less user interface.
It is specifically introduced below with reference to each component parts of the Fig. 6 to mobile phone 100:
RF circuit 110 can be used for receiving and sending messages or communication process in, signal sends and receivees, and particularly, after the downlink information of base station is received, handles to processor 180；In addition, the data for designing uplink are sent to base station.In general, RF circuit includes but is not limited to antenna, at least one amplifier, transceiver, coupler, LNA (Low Noise Amplifier, low-noise amplifier), duplexer etc..In addition, RF circuit 110 can also be communicated with network and other equipment by wireless communication.Any communication standard or agreement can be used in the wireless communication, including but not limited to GSM (Global System of Mobile communication, global system for mobile communications), GPRS (General Packet Radio Service, general packet radio service), CDMA (Code Division Multiple Access, CDMA), WCDMA (Wideband Code Division Multiple Access, wideband code division multiple access), LTE (Long Term Evolution, long term evolution), Email, SMS (S Hort Messaging Service, short message service) etc..
Memory 120 can be used for storing software program and module, and processor 180 is stored in the software program and module of memory 120 by operation, thereby executing the various function application and data processing of mobile phone 100.Memory 120 can mainly include storing program area and storage data area, wherein storing program area can application program (such as sound-playing function, image playing function etc.) needed for storage program area, at least one function etc.；Storage data area, which can be stored, uses created data (such as audio data, phone directory etc.) etc. according to mobile phone 100.In addition, memory 120 may include high-speed random access memory, it can also include nonvolatile memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Other input equipments 130 can be used for receiving the number or character information of input, and generate key signals input related with the user setting of mobile phone 100 and function control.Specifically, other input equipments 130 may include but be not limited to one of physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick, light mouse (extension that light mouse is the touch sensitive surface for not showing the touch sensitive surface visually exported, or formed by touch screen) etc. or a variety of.Other input equipments 130 are connected with other input device controls devices 171 of I/O subsystem 170, carry out signal interaction with processor 180 under the control of other equipment input controller 171.
Display screen 140 can be used for showing information input by user or the information and mobile phone that are supplied to user 100 various menus can also receive user's input.Specific display screen 140 may include display panel 141 and touch panel 142.Wherein display panel 141 can configure display panel 141 using the forms such as LCD (Liquid Crystal Display, liquid crystal display), OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode).Touch panel 142, also referred to as touch screen, touch-sensitive screen etc., the on it or neighbouring contact of collectable user or Touchless manipulation (for example user is using the operation of any suitable object or attachment on touch panel 142 or near touch panel 142 such as finger, stylus, also may include somatosensory operation；The operation includes the action types such as single-point control operation, multiparty control operation.), and corresponding attachment device is driven according to preset formula.Optionally, touch panel 142 may include both touch detecting apparatus and touch controller.Wherein, touch orientation, the posture of touch detecting apparatus detection user, and touch operation bring signal is detected, transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into the information that processor is capable of handling, then give processor 180, and can receive order that processor 180 is sent and be executed.Furthermore, it is possible to realize touch panel 142 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves, touch panel 142 can also be realized using any technology of future development.Further, touch panel 142 can cover display panel 141, user can (the display content includes but is not limited to according to the content that display panel 141 is shown, soft keyboard, virtual mouse, virtual key, icon etc.), on the touch panel 142 covered on display panel 141 or nearby operated, after touch panel 142 detects operation on it or nearby, processor 180 is sent to by I/O subsystem 170 to determine that user inputs, it is followed by subsequent processing device 180 and provides corresponding visual output on display panel 141 by I/O subsystem 170 according to user's input.Although in Fig. 6, touch panel 142 and display panel 141 are the input and input function for realizing mobile phone 100 as two independent components, but it is in some embodiments it is possible to touch panel 142 and display panel 141 is integrated and that realizes mobile phone 100 output and input function.
Mobile phone 100 may also include at least one sensor 150, such as optical sensor, motion sensor and other sensors.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can adjust the brightness of display panel 141 according to the light and shade of ambient light, proximity sensor can close display panel 141 and/or backlight when mobile phone 100 is moved in one's ear.As a kind of motion sensor, accelerometer sensor can detect the size of (generally three axis) acceleration in all directions, can when static Size and the direction for detecting gravity can be used to identify application (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) of 100 posture of mobile phone etc.；The other sensors such as the gyroscope, barometer, hygrometer, thermometer, the infrared sensor that can also configure as mobile phone 100, details are not described herein.
Voicefrequency circuit 160, loudspeaker 161, microphone 162 can provide the audio interface between user and mobile phone 100.Signal after the audio data received conversion can be transferred to loudspeaker 161 by voicefrequency circuit 160, be converted to voice signal output by loudspeaker 161；On the other hand, the voice signal of collection is converted to signal by microphone 162, audio data is converted to after being received by voicefrequency circuit 160, then audio data is exported to RF circuit 108 to be sent to such as another mobile phone 100, or audio data is exported to memory 120 to be further processed.
I/O subsystem 170 is used to control the external equipment of input and output, may include other equipment input controller 171, sensor controller 172, display controller 173.Optionally, other one or more input control apparatus controllers 171 receive signal from other input equipments 130 and/or send signal to other input equipments 130, other input equipments 130 may include physical button (push button, rocker buttons etc.), dial, slide switch, control stick, click idler wheel, light mouse (extension that light mouse is the touch sensitive surface for not showing the touch sensitive surface visually exported, or formed by touch screen).It is worth noting that other input control apparatus controllers 171 can be connect with any one or multiple above equipments.Display controller 173 in the I/O subsystem 170 receives signal from display screen 140 and/or sends signal to display screen 140.After display screen 140 detects user's input, user's input that display controller 173 will test is converted to and is shown in the interaction of the user interface object on display screen 140, i.e. realization human-computer interaction.Sensor controller 172 can receive signal from one or more sensor 150 and/or send signal to one or more sensor 150.
Processor 180 is the control centre of mobile phone 100, utilize the various pieces of various interfaces and connection whole mobile phone 100, by running or executing the software program and/or module that are stored in memory 120, and call the data being stored in memory 120, the various functions and processing data for executing mobile phone 100, to carry out integral monitoring to mobile phone 100.Optionally, processor 180 may include one or more processing units；Preferably, processor 180 can integrate application processor and modem processor, wherein application processor Main processing operation system, user interface and application program etc., modem processor mainly handles wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 180.
Mobile phone 100 further includes the power supply 190 (such as battery) powered to all parts, preferably, power supply can be logically contiguous by power-supply management system and processor 180, to realize the functions such as management charging, electric discharge and power consumption by power-supply management system.
Although being not shown, mobile phone 100 can also include camera, bluetooth module etc., and details are not described herein.
In some embodiment of the invention, illustrate on mobile phone 100 so that mobile phone 100 is a kind of terminal device as an example below in conjunction with Fig. 5, in charging process, the charging method to battery of user's interaction can be cooperated.
In conjunction with Fig. 7 a, display device 40 shows that selection interface 505 (such as is operated into " setting " option to display interface 501 according to user on display interface 501, the operation information of " battery " option, show corresponding selection interface 505), there are two charging modes option 505a and 505b for tool in selection interface, it include: " normal charge mode " option 505a and " long slotting charging modes " option 505b, if detecting, user selects the information of " normal charge mode " option 505a, then use the first charging modes, i.e. processor 12 is when detecting that external charger 30 is connected, starting charging, and during detecting that the external charger 30 is continuously turned on: after the control progress initial charge of charging chip 14 is full of to electricity, execute the first charge mode, institute Stating the first charge mode is processor 12 when detecting that the value of electrical parameter of the battery 20 is less than the first threshold of the electrical parameter, control charging chip 14, which is again started up, to be charged to electricity and is full of, if detecting the information of user's selection " long slotting charging modes " option 505b, then use charging modes in second, second of charging modes is repeated no more with reference to the charging method as described in Fig. 2 or Fig. 4 and its corresponding embodiment.
In addition, in some embodiments, as shown in Figure 7b, display device 40 also shows the selection interface of long slotting charging modes on display interface 501, and information determines time threshold, such as 4 hours, 20 hours, 3 days etc. according to the user's choice.
The selection interface 505 of above-mentioned offer, " normal charge mode " option 505a and " long slotting charging modes " option 505b and the schematic diagram of the long selection interface for inserting charging modes only help the citing of the scheme understood, it, can be different due to the difference of specific Design of Graphical Interface in practical application product or design.
In addition, mobile phone 100 has in some times when being continuously turned on external charger 30 under the second charge mode, the discontented state of 502 display battery capacity of battery capacity mark is outer to avoid user from being misinterpreted as 30 non-normal working of portion's charger, mobile phone 100 can show a charging mark to prompt user to be currently at the second charge mode on its display interface 501.
In conjunction with shown in Fig. 8 a~Fig. 8 e, in 30 access failure mobile phone 100 of external charger, display device 40 shows battery capacity mark 502 in the display interface 501 of mobile phone 100, wherein, processor 12 can obtain the electricity of present battery from voltameter (not shown), and the charge condition of present battery is shown by display interface 501；As shown in Figure 8 b, when external charger 30 is connected, the first charging mark 503 can be shown on display interface 501, wherein, processor 12 detects that external charger 30 is connected by charging chip 14, and by first charging of the display of display interface 501 mark 503, charge to as shown in Figure 8 c full of display；After being full of for the first time, before arrival time threshold value, always show the first charging mark 503, and it is in the first charge mode of high-voltage charging state always, i.e. electricity drops to the first power threshold or less (or below first voltage threshold value) and is again started up charging, during this period, mark 503 is charged as shown in Figure 8 c in the battery capacity mark 502 and first that display interface 501 is shown, the battery capacity mark 502 on display interface 501 always show the state to be full of or being almost full with；After arrival time threshold value, display device 40 shows the second charging mark 504 on display interface 501, second charging mark 504 is different from the first charging mark 503, and processor 12 controls charging chip 14 and starts the second charge mode, as shown in figure 8d, it can be seen that, during this period, it can show that battery capacity meeting nature drops to second power threshold in the battery capacity mark 502 that display interface 501 is shown, later, controller 14 controls charging chip 14 and is again started up charging, can charge to electricity and be full of, as figure 8 e shows.
Here, the icon style of the first charging mark 503 and the second charging mark 504 is only for example, it can be different according to the difference of actual graphical interface mode.
Furthermore, the other modes of prompt information can be provided a user, such as, under the second charge mode, detect that user lights the operation information of screen, by pop-up interface of display " being currently in long slotting charged state ", the effect that prompt user is currently at the second charge mode also may be implemented, user is avoided to be misinterpreted as abnormal charging problems.

Claims (29)

  1. A kind of method of pair of battery charging, wherein the described method includes:
    When detecting that external charger is connected, starting charging, and start timing；
    During detecting that the external charger is continuously turned on:
    After progress initial charge is full of to electricity, before timing time reaches time threshold, the first charge mode is executed, first charge mode includes when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it is again started up and charges to electricity and be full of
    After timing time reaches the time threshold, execute the second charge mode, second charge mode includes being again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter；
    Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
  2. According to the method described in claim 1, wherein, the step of execution first charge mode, includes:
    When detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it is again started up charging and is full of using constant voltage charging method to electricity.
  3. Method according to claim 1 or 2, wherein the value of the electrical parameter when third threshold value is full of for battery capacity.
  4. According to the method described in claim 3, wherein, the step of execution second charge mode, includes:
    It is charged to after cell voltage reaches charge cutoff voltage using constant current charging method, then electricity is charged to using constant voltage charging method and is full of.
  5. Method according to claim 1 to 4, wherein the electrical parameter is electricity, and the first threshold is the 95%~99% of the charge value that the battery capacity is full of, and the second threshold is the 5%~50% of the charge value that the battery capacity is full of.
  6. Method according to claim 1 to 4, wherein the electrical parameter is voltage, The first threshold states 95% corresponding voltage value of the charge value that battery capacity is full of, and the second voltage threshold value is less than or equal to 50% corresponding voltage value of the charge value that the battery capacity is full of.
  7. Method according to any one of claim 1 to 6, wherein the method also includes:
    During detecting that the external charger is continuously turned on, when timing time reaches the time threshold, suspend charging if currently charging, is again started up charging when the value of the electrical parameter of the battery is less than the second threshold of the electrical parameter until detecting.
  8. A kind of method of pair of battery charging, wherein the described method includes:
    When detecting that external charger is connected, starting charging, and start timing；
    During detecting that the external charger is continuously turned on:
    Step 1, after progress initial charge is full of to electricity,
    Step 2 executes the first charge mode before timing time reaches time threshold, and first charge mode is to be again started up when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter and charge to electricity and be full of,
    Step 3, after timing time reaches time threshold, and during input signal is not detected, execute the second charge mode, second charge mode is to be again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter；
    After timing time reaches time threshold, and when detecting the input signal, reclocking, and the step 1 is re-executed to the step 3；
    Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
  9. According to the method described in claim 8, wherein, the input signal is detected user to the signal for being electrically charged equipment and carrying out input operation.
  10. A kind of method of pair of battery charging, wherein the described method includes:
    When detecting that external charger is connected, starting charging；
    During detecting that the external charger is continuously turned on:
    After progress initial charge is full of to electricity, the first charge mode, first charge mode are executed Including being again started up and charging to electricity and be full of when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, and the cumulative number to charge again,
    After the added up number to charge again reaches frequency threshold value, execute the second charge mode, second charge mode includes being again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter；
    Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
  11. The method of a kind of pair of battery charging, wherein include:
    It shows interaction page, and obtains the operation information that user is inputted based on the page；
    When the operation information includes first choice information, then charged using the first charging modes；
    When the operation information includes the second selection information, then charged using the second charging modes, performed charge mode is more than charge mode performed in first charging modes in second charging modes.
  12. According to the method for claim 11, wherein
    First charging modes include:
    When detecting that external charger is connected, starting charging, and during detecting that the external charger is continuously turned on: after progress initial charge is full of to electricity, execute the first charge mode, first charge mode is to be again started up when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter and charge to electricity and be full of；
    Second charging modes include:
    When detecting that external charger is connected, starting charging, and start timing；During detecting that the external charger is continuously turned on: after progress initial charge is full of to electricity, before timing time reaches time threshold, execute first charge mode, after timing time reaches the time threshold, execute the second charge mode, second charge mode is to be again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter；
    Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
  13. According to the method for claim 11, wherein
    First charging modes include:
    When detecting that external charger is connected, starting charging, and during detecting that the external charger is continuously turned on: after progress initial charge is full of to electricity, execute the first charge mode, first charge mode is to be again started up when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter and charge to electricity and be full of；
    Second charging modes include:
    When detecting that external charger is connected, starting charging；During detecting that the external charger is continuously turned on: after progress initial charge is full of to electricity, when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it is again started up and charges to electricity and be full of, and the cumulative number to charge again；After the added up number to charge again reaches frequency threshold value, when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, it is again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter；
    Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
  14. Method described in any one of 1 to 13 according to claim 1, wherein the method also includes:
    When the operation information includes first choice information, then the first charging of display identifies during detecting that the external charger is continuously turned on；
    When the operation information includes the second selection information, it is carrying out initial charge and is executing to show the first charging mark in first charge mode, the second charging of display mark in executing second charge mode, wherein the second charging mark is different from the first charging mark.
  15. A kind of charging unit, including processor and charging chip；
    The processor starts timing when detecting that external charger is connected, and controls the charging chip starting charging；
    The processor is during detecting that the external charger is continuously turned on:
    The charging chip is controlled to carry out after initial charge is full of to electricity, before timing time reaches time threshold, when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, controls the charging chip and be again started up and charge to electricity and be full of
    After timing time reaches the time threshold, when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, controls the charging chip and be again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter；
    Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
  16. Charging unit according to claim 15, wherein, the processor is before timing time reaches time threshold, when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, controls the charging chip and be again started up charging and charge to electricity using constant voltage charging method and be full of.
  17. Charging unit according to claim 15, wherein
    The value of the electrical parameter when third threshold value is full of for battery capacity；
    After timing time reaches time threshold, the processor is when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, it is again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter, wherein, it controls the charging chip to charge to after cell voltage reaches charge cutoff voltage using constant current charging method, then electricity is charged to using constant voltage charging method and is full of.
  18. Charging unit described in any one of 5 to 17 according to claim 1, wherein, during detecting that the external charger is continuously turned on, the processor is when the timing time reaches time threshold, the charging chip is controlled if currently charging and pauses immediately charging, until detecting the battery capacity less than the second power threshold or detecting that the cell voltage is less than second voltage threshold value and is again started up charging.
  19. Charging unit described in any one of 5 to 18 according to claim 1, wherein the processor is integrated with the charging chip.
  20. Charging unit described in any one of 5 to 18 according to claim 1, wherein the processor is main control chip.
  21. Charging unit described in any one of 5 to 20 according to claim 1, wherein the charging dress Setting further includes voltameter, and the voltameter obtains the battery capacity from the voltameter for acquiring the battery capacity, the processor.
  22. Charging unit described in any one of 5 to 21 according to claim 1, wherein the processor controls the process that charging was charged or was again started up in the charging chip starting and includes:
    The processor sends charging instruction and charge parameter to the charging chip；
    The charging chip charges to the battery according to the charging instruction and the charge parameter.
  23. A kind of charging unit, wherein the charging unit includes: processor and charging chip；
    The processor controls the charging chip starting charging when detecting that external charger is connected；
    During detecting that the external charger is continuously turned on:
    After the processor control charging chip progress initial charge is full of to electricity, execute the first charge mode, first charge mode includes the processor when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it controls the charging chip and is again started up and charge to electricity and be full of, and the cumulative number to charge again；
    After the added up number to charge again reaches frequency threshold value, execute the second charge mode, second charge mode includes being again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter；
    Wherein, the electrical parameter is voltage or electricity, and the second threshold is lower than the first threshold, and the second threshold is lower than the first threshold, and the third threshold value is higher than the second threshold.
  24. A kind of charging unit, wherein the charging unit includes processor and charging chip；
    The processor starts timing and controls the charging chip starting charging when detecting that external charger is connected；
    The processor is during detecting that the external charger is continuously turned on:
    Step 1 controls the charging chip and carries out after initial charge is full of to electricity,
    Step 2, before timing time reaches time threshold, the first charge mode is executed, first charge mode is the processor when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it controls the charging chip and is again started up and charge to electricity and be full of
    Step 3, after timing time reaches time threshold, and during input signal is not detected, execute the second charge mode, second charge mode is the processor when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, controls the charging chip and is again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter；
    After timing time reaches time threshold, and when the processor detects the input signal, reclocking, and the step 1 is re-executed to the step 3；
    Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
  25. A kind of terminal device, the terminal device include:
    Battery；
    Charging unit described in any one of 5 to 24 according to claim 1.
  26. A kind of terminal device, wherein the terminal device includes charging unit and display device, and the charging unit includes processor, charging chip；
    The display device shows interaction page, and the processor obtains the operation information that user is inputted based on the page；
    When the operation information includes first choice information, then the processor is controlled the charging chip and is charged using the first charging modes；
    When the operation information includes the second selection information, then the processor is controlled the charging chip and is charged using the second charging modes, and performed charge mode is more than charge mode performed in first charging modes in second charging modes.
  27. Terminal device according to claim 26, wherein
    During using first charging modes charging:
    The processor is when detecting that external charger is connected, control the charging chip starting charging, the processor is during detecting that the external charger is continuously turned on: controlling the charging chip and carries out after initial charge is full of to electricity, execute the first charge mode, first charge mode is to control the charging chip when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter and be again started up and charge to electricity and be full of；
    Second charging modes include:
    The processor is when detecting that external charger is connected, starting charging, and controls the charging chip starting timing；The processor is during detecting that the external charger is continuously turned on: controlling the charging chip and carries out after initial charge is full of to electricity, before timing time reaches time threshold, execute first charge mode, after timing time reaches the time threshold, execute the second charge mode, second charge mode is to control the charging chip when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter and be again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter；
    Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, and the third threshold value is greater than the second threshold.
  28. Terminal device according to claim 27, wherein
    First charging modes include:
    The processor is when detecting that external charger is connected, control the charging chip starting charging, and during detecting that the external charger is continuously turned on: after progress initial charge is full of to electricity, execute the first charge mode, first charge mode is to control the charging chip when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter and be again started up and charge to electricity and be full of；
    Second charging modes include:
    The processor controls the charging chip starting charging when detecting that external charger is connected；During detecting that the external charger is continuously turned on: controlling the charging chip and carry out after initial charge is full of to electricity, when detecting that the value of electrical parameter of the battery is less than the first threshold of the electrical parameter, it controls the charging chip and is again started up and charge to electricity and be full of, and the cumulative number to charge again；After the added up number to charge again reaches frequency threshold value, when detecting that the value of electrical parameter of the battery is less than the second threshold of the electrical parameter, controls the charging chip and be again started up the third threshold value that charging makes the value of the electrical parameter of the battery be more than or equal to the electrical parameter；
    Wherein, the electrical parameter is voltage or electricity, and the first threshold is less than the second threshold, institute Third threshold value is stated greater than the second threshold.
  29. The terminal device according to any one of claim 26 to 28, wherein
    When the operation information includes first choice information, then during the processor detects that the external charger is continuously turned on, the first charging mark is shown on said display means；
    When the operation information includes the second selection information, it is carrying out initial charge and is executing to show the first charging mark in first charge mode on said display means, show that the second charging identifies on said display means in executing second charge mode, wherein, the second charging mark is different from the first charging mark.
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