CN106300539B - A kind of charging system and method - Google Patents
A kind of charging system and method Download PDFInfo
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- CN106300539B CN106300539B CN201610819695.5A CN201610819695A CN106300539B CN 106300539 B CN106300539 B CN 106300539B CN 201610819695 A CN201610819695 A CN 201610819695A CN 106300539 B CN106300539 B CN 106300539B
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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
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
-
- 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)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of charging system and methods, comprising: charger and terminal；The charger includes controllable constant-current source, output voltage limitation module and protocol module；The terminal includes electric charge pump module, protocol integrated test system module, over-voltage over-current protection module, battery module, battery charging and discharging management module and system power supply module；The controllable constant-current source of the charger and output voltage limitation module are electrically connected with the over-voltage over-current protection module of the terminal, and the over-voltage over-current protection module is electrically connected with the electric charge pump module, the battery charging and discharging management module, the battery module and the system power supply module.The present invention passes through the various combination and connection type of battery charger and electric charge pump module, realizes the quick charge of high voltage-small current high efficiency.The cable of current high current quick charge scheme and the problem of connector compatibility are avoided, mobile device existing for current high-voltage high-speed charging scheme is also avoided and generates heat serious problem.
Description
Technical field
The present embodiments relate to battery charging schedule more particularly to a kind of charging system and methods.
Background technique
In the epoch of nowadays rapid technological growth, mobile phone terminal has been essential part in people's daily life
, but mobile phone terminal charging is slow, and cruising ability difference is always the problem that people want to overcome, now traditional fast charge scheme just like
Lower two kinds:
Existing scheme one: to guarantee quick charge, charge power, mobile device are increased by way of improving charging voltage
Inside uses buck control circuit (BUCK or BUCK-BOOST) as battery charger for battery charging；
The defect of prior art one: since the input voltage of battery charger in the program is higher, with output voltage
(such as 4.4V) pressure difference is larger, converts effect using the charger of common lift pressure control circuit (BUCK or BUCK-BOOST) topology
Rate is low (actual measurement < 90%), and mobile equipment heating is serious when causing to charge, and limits quick charge capability.
Existing scheme two: to guarantee quick charge, charge power, mobile device are increased by way of improving charging current
Inside uses control switch to provide plug-in access for battery, realizes the efficient large current charge of constant-current phase, and retain electricity
The preliminary filling and constant-voltage charge of electrolytic battery charger realization battery.
The defect of prior art two: 1, the cable connected between charger and mobile device is more than ordinary lines by electric current
Cable specification needs using specific customization cable and connects socket；2, there are electrical over-stress (EOS) potential wind in plug-in circuit
Danger.
Summary of the invention
The high voltage-small current charging system and method that the purpose of the present invention is to provide a kind of temperature rises in controlled range.
The present invention provides a kind of charging system, comprising: charger and terminal；The charger includes controllable constant-current source, defeated
Voltage limit module and protocol module out；The terminal includes electric charge pump module, protocol integrated test system module, over-voltage over-current protection mould
Block, battery module, battery charging and discharging management module and system power supply module；The output voltage limitation module is described for limiting
The output voltage of charger is no more than setting value；The protocol module is assisted with the protocol integrated test system module in the terminal
View interactively communicates；The charger is connect with the protocol integrated test system module by signal of the terminal, the controllable constant of the charger
Stream source and output voltage limitation module are electrically connected with the over-voltage over-current protection module of the terminal, the over-voltage and over-current
Protective module and the electric charge pump module, the battery charging and discharging management module, the battery module and the system power supply mould
Block electrical connection, the system power supply module are system power supply, and the system provides electric energy to the protocol integrated test system in the terminal again
Module.Meanwhile the system controls the protocol integrated test system module, the electric charge pump module mentions its output electric current compared with input current
N times is risen, wherein N > 1.
Preferably, the over-voltage over-current protection module is placed outside the electric charge pump module of the charger Yu the terminal
Between, it is located in the terminal.
Preferably, over-voltage over-current protection module, for detecting the voltage and electricity that are delivered to the terminal by the charger
It flows and over-voltage and over-current shutdown defencive function is provided, and input current is limited in a security interval.
Preferably, the system power supply block coupled in series is on rear side of the battery charging and discharging management module, the charge pump mould
After the electric energy of block output enters the battery module, some electric energy can be transferred to by the battery charging and discharging management module
The system power supply module.
Preferably, the charger is electrically connected with the over-voltage over-current protection module in the battery charging and discharging management module
It connects, the output end of the over-voltage over-current protection module is electrically connected with the input terminal of the electric charge pump module, the electric charge pump module
Output end be electrically connected with the battery module；The output end of the battery charging and discharging management module and the system power supply module
And the battery module electrical connection.
Preferably, the charger is filled with the input terminal of the over-voltage over-current protection module of the terminal and the battery simultaneously
The input terminal electrical connection for management module of discharging；The output end of the over-voltage over-current protection module and the input of the electric charge pump module
End electrical connection；The output end of the electric charge pump module is electrically connected with the battery module；The battery charging and discharging management module
Output end is electrically connected with the system power supply module and the battery module.
Preferably, the battery charging and discharging management module includes path management module, for according to the battery module
Charged state carries out charging current path dynamic allocation.
Preferably, the system power supply module and the battery charging and discharging management module are in parallel, and the electric charge pump module is defeated
Electric energy out carries out dynamic resource management by the path management module.
Preferably, the charger is filled with the input terminal of the over-voltage over-current protection module of the terminal and the battery simultaneously
The input terminal electrical connection for management module of discharging；The output end of the over-voltage over-current protection module and the input of the electric charge pump module
End electrical connection；The output end of the electric charge pump module is electrically connected with the battery charging and discharging management module and the system power supply module
It connects；The output end of the battery charging and discharging management module is electrically connected with the system power supply module and the battery module.
Preferably, the charger is electrically connected with the over-voltage over-current protection module in the battery charging and discharging management module
It connects, the output end of the over-voltage over-current protection module is electrically connected with the input terminal of the electric charge pump module, the electric charge pump module
Output end be electrically connected with the battery charging and discharging management module and the system power supply module；The battery charging and discharging manages mould
The output end of block is electrically connected with the system power supply module and the battery module.
Preferably, the charger handles constant-current charge, is controlled by the protocol module in the charger；At the terminal
Constant-voltage charge is managed, is controlled by the protocol integrated test system module in terminal.
The present invention provides a kind of charging system, comprising:
Charger, for electric charge pump module, battery charging and discharging management module, battery module and the system power supply in terminal
Module provides electric energy；
Over-voltage over-current protection module, for controlling the voltage and current for flowing into electric charge pump module in a safe range；
Protocol integrated test system module, for communicating each module switching charge mode in simultaneously controlling terminal with charger protocol；
Electric charge pump module, for carrying out constant-current charge to battery module and making electric charge pump module output electric current compared with input current
N times is promoted, N > 1；
Battery charging and discharging management module, for being also used for non-matching charger to battery module precharge and constant-voltage charge
Whole process charge control；
Battery module, for storing electric energy；
System power supply module is used for system power supply.
Preferably, the charger includes
Controllable constant-current source is used to provide the described battery modules constant-current charging function；
Output voltage limits module, and the output voltage for limiting the charger is no more than setting value；
Protocol module, for carrying out protocol interaction communication with the protocol integrated test system module in the terminal.
Preferably, the battery charging and discharging management module includes:
Over-voltage over-current protection module, for detecting the voltage and current and the offer that are delivered to the terminal by the charger
Over-voltage and over-current turns off defencive function, and input current is limited in a security interval.
Preferably, the terminal further includes over-voltage over-current protection module, and the over-voltage over-current protection module is located at described fill
Between electric appliance and the electric charge pump module of the terminal, it is located in the terminal.
Preferably, the system power supply block coupled in series is on rear side of the battery charging and discharging management module, the charge pump mould
After the electric energy of block output enters the battery module, some electric energy can be transferred to by the battery charging and discharging management module
The system power supply module.
Preferably, the output end of the electric charge pump module is electrically connected with the battery module；The battery charging and discharging management
The output end of module is electrically connected with the system power supply module and the battery module.
Preferably, the battery charging and discharging management module includes: path management module, for according to the battery module
Charged state carries out charging current path dynamic allocation.
Preferably, the system power supply module and the battery charging and discharging management module are in parallel, and the electric charge pump module is defeated
Electric energy out carries out dynamic resource management by the path management module.
Preferably, the output end of the electric charge pump module and the battery charging and discharging management module and the system power supply mould
Block electrical connection；The output end of the battery charging and discharging management module is electrically connected with the system power supply module and the battery module
It connects.
Preferably, the charger handles constant-current charge, is controlled by the protocol module in the charger；At the terminal
Constant-voltage charge is managed, is controlled by the protocol integrated test system module in terminal.
The present invention also provides a kind of charging methods, including
Protocol integrated test system module in S100 charger and terminal carries out communication interaction, and completes parameter configuration；
Whether the detection battery module voltages of terminal described in S101 are lower than the first voltage value；
If the S102 battery module voltages are more than or equal to the first voltage value, the electric charge pump module makes it export electric current
N times is promoted compared with input current, wherein N > 1, carries out constant-current charge；
Terminal described in S103 detects the battery module voltages and/or electric current reaches second voltage value and/or electric current is default
When value, close the charge pump charging path, open the charging path of battery charging and discharging management module, carry out constant-voltage charge until
Charging finishes；
After S104 charges, the battery charging and discharging management module continues as system power supply module and provides electric energy.
Preferably, the first voltage is less than the second voltage.
Preferably, the charger includes
Controllable constant-current source is used to provide the described battery modules constant-current charging function；
Output voltage limits module, and the output voltage for limiting the charger is no more than setting value；
Protocol module, for carrying out protocol interaction communication with the protocol integrated test system module in the terminal.
Preferably, the terminal includes:
Electrical energy transportation to the electric charge pump module is delivered to for detecting by the charger by over-voltage over-current protection module
The voltage and current of the terminal simultaneously provides over-voltage and over-current shutdown defencive function, and input current is limited in a safety zone
Between.
Preferably, the battery charging and discharging management module includes:
Path management module carries out charging current path dynamic allocation for the charged state according to the battery module.
It preferably, further include, if the battery module voltages are less than the first voltage, opening battery in the S101
Management of charging and discharging module charging path, is pre-charged, until the battery module voltages reach the first voltage.
Preferably, in the S102, the system power supply block coupled in series is on rear side of the battery charging and discharging management module, institute
State electric charge pump module output electric energy enter the battery module after, some electric energy can be managed by the battery charging and discharging
Module transfer gives the system power supply module.
Preferably, in the S102, the system power supply module and the battery charging and discharging management module are in parallel, the electricity
The electric energy of lotus pump module output carries out dynamic resource management by the path management module, and a part is transferred to the system and supplies
Electric module, another part are transferred to the battery module.
Preferably, in the S102, the electric energy of the charger output, by the battery charging and discharging management module
Enter the electric charge pump module after the over-voltage over-current protection module.
Preferably, over-voltage over-current protection module described in the S102 is located at the electricity of the charger and the terminal
Between lotus pump module, it is located in the terminal.
Preferably, in the S102, the electric energy of the charger output, by the over-voltage over-current protection mould in the terminal
Enter the electric charge pump module after block.
Preferably, the charger handles constant-current charge, is controlled by the protocol module in the charger；At the terminal
Constant-voltage charge is managed, is controlled by the protocol integrated test system module in terminal.
The invention has the advantages that pass through the various combination and connection type of battery charger and electric charge pump module, it is real
Existing high voltage-small current high efficiency quick charge.Avoid current high current quick charge scheme cable and connector compatibility
Problem also avoids mobile device existing for current high-voltage high-speed charging scheme and generates heat serious problem.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the principle assumption diagram of charging system of the present invention；
Fig. 2 is the structural schematic diagram of charging system of the present invention；
Fig. 3 is the structural schematic diagram of another charging system of the present invention；
Fig. 4 is the structural schematic diagram of another charging system of the present invention；
Fig. 5 is the structural schematic diagram of another charging system of the present invention；
Fig. 6 is the flow diagram of charging method of the present invention.
Appended drawing reference:
S100~S104 step；
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It is as shown in Figure 1 the principle assumption diagram of charging system of the invention, a kind of charging system, comprising: charger is used for
Electric energy is provided to electric charge pump module, battery charging and discharging management module, battery module and the system power supply module in terminal；Agreement control
Molding block, for communicating each module switching charge mode in simultaneously controlling terminal with charger protocol；Electric charge pump module, for making
Stating electric charge pump module makes it export electric current compared with N times of input current promotion, and wherein N > 1, carries out constant-current charge；Battery charging and discharging management
Module, for battery module precharge and constant-voltage charge；It is also used for the whole process charge control of non-matching charger；Battery mould
Block, for storing electric energy；System power supply module is used for system power supply.The protocol integrated test system of the charger and the terminal
Module by signal connection, it is the battery charging and discharging management module of the charger and the terminal, the electric charge pump module, described
Battery module and system power supply module electrical connection.The charger specifically includes controllable constant-current source, is used to provide the described electricity
Chi Mo group constant-current charging function；Output voltage limits module, for electric current and voltage to be limited in a security interval.Agreement mould
Block, for carrying out protocol interaction communication with the protocol integrated test system module in the terminal.Wherein, the controllable constant-current source receives
After the DC power supply exported to ac-dc switching power, by electrical energy transportation to the over-voltage over-current protection module in terminal.It is described to fill
Output voltage limitation module in electric appliance also can be by the charger internal output voltage or current limit in a security interval.
However, in the present embodiment, the protocol module in the charger, in addition to the functions discussed above, also to the controllable constant-current source
And the output voltage limitation module carries out the control management of electric current, voltage.
Further, the protocol module in the charger is responsible for leading to the protocol integrated test system module Handshake Protocol of terminal
Letter completes relevant parameter configuration.Meanwhile the protocol integrated test system module of terminal side is not only merely responsible for and the charger in the present invention
In protocol module communicated, the protocol integrated test system module is also responsible for examining the electric current and voltage of each module in terminal
It surveys, and is responsible for the corresponding suitable charging scheme of selection.It certainly, can also be by battery charging and discharging management module to terminal in the present invention
Interior each blocks current and voltage are detected, and are responsible for the suitable charging scheme of selection.Charging system scheme of the invention is former
In reason, the electric charge pump module and the battery charging and discharging management module can be filled for battery module or system power supply module
Electricity or power supply.Wherein, the electric charge pump module executes the charging tasks of constant-current charging phase, the battery charging and discharging management module
Execute the charging tasks of precharge and constant voltage charging phase.According to the charge pump, battery charging and discharging management module, battery module
And the different connection types of system power supply module, can there are many realize quick charge system structure, specific switching time and
Specific implementation, will be by following multiple constructive embodiments.Skilled person will appreciate that constant pressure is omitted in Fig. 1 of the present invention
Source module, the constant pressure source be responsible for pre-charging stage and constant voltage charging phase constant-voltage charge function and non-matching charger it is complete
Process charge control.
Embodiment one
As shown in Fig. 2, the structural schematic diagram of charging system of the invention, in addition to the above-mentioned module illustrated, function and
Outside connection relationship, the terminal side further includes over-voltage over-current protection module, and the over-voltage over-current protection module is located at the charging
Between device and the electric charge pump module of the terminal, the over-voltage over-current protection module is external module, is located at the terminal
It is interior.The battery charging and discharging management module includes over-voltage over-current protection module, for detect be delivered to by the charger it is described
The voltage and current of terminal simultaneously provides over-voltage and over-current shutdown defencive function, and input current is limited in a security interval.
Path management module carries out charging current path dynamic allocation for the charged state according to the battery module.It is filled described
The electric current that electric appliance provides carries out dynamic resource management, and a part is conveyed to the system power supply module, and another part is conveyed to institute
State battery module.
In the present embodiment, the system power supply module and the battery charging and discharging management module are in parallel, the charge pump
The electric energy of module output carries out dynamic resource management by the path management module, and a part is transferred to the system power supply mould
Block, another part are transferred to the battery module.
Specifically, the charger is electrically connected with the input terminal of the battery charging and discharging management module, and the charger is same
When connect with the input terminal of the over-voltage over-current protection module in the terminal, the output end of the over-voltage over-current protection module
It is connect with the input terminal of the electric charge pump module；The output end of the electric charge pump module and the battery charging and discharging management module and
The system power supply module electrical connection；The output end of the battery charging and discharging management module and the system power supply module and described
Battery module electrical connection.Further, in the present embodiment, the charger complete communication protocol shake hands and parameter configuration after,
If the protocol integrated test system module judgement in the terminal carries out precharge mode first, electric energy is transferred to by the charger
Battery charging and discharging management module in the terminal includes the mistake in the battery charging and discharging management module by known above
Overcurrent protection module is pressed, therefore the electric energy is distinguished after first carrying out the over-voltage over-current protection module by the path management module
Flow into the battery module and the system power supply module.If the protocol integrated test system module judgement in the terminal carries out constant current
Charging, then the electric energy of the charger output will be by inputting after the over-voltage over-current protection module in the external terminal
The electric charge pump module is supplied via the electric charge pump module constant current output to the battery charging and discharging management module and the system
Between electric module, the pipe of charge path is then carried out by the path management module in the battery charging and discharging management module
Reason makes the electrical energy transportation of a part of charge pump output to the system power supply module, and another part is then via the battery
Management of charging and discharging module inputs in the battery module.
Embodiment two
As shown in figure 3, the structural schematic diagram of present invention another kind batter-charghing system, exists with the same section of embodiment one
This is repeated no more.The present embodiment and embodiment one the difference is that, do not use external over-voltage over-current protection module, but straight
It connects and carries out over-voltage over-current protection using the over-voltage over-current protection module in the battery charging and discharging management module.Specifically,
The charger is electrically connected with the over-voltage over-current protection module in the battery charging and discharging management module, the over-voltage and over-current
The output end of protective module is electrically connected with the input terminal of the electric charge pump module, the output end of the electric charge pump module and the electricity
Pond management of charging and discharging module and system power supply module electrical connection；The output end of the battery charging and discharging management module with it is described
System power supply module and battery module electrical connection.
In the present embodiment, no matter the electric energy of the charger is that output is filled to the battery under which kind of charging modes
Electric discharge management module, according to different charging modes, delivers the power to different after the over-voltage over-current protection module
In module path, path management is then carried out by whereabouts of the path management module to the electric energy of output.
Embodiment three
As shown in figure 4, the structural schematic diagram of another batter-charghing system of the invention, with charging described in embodiment one
The first half segment structure of system structure is identical, and details are not described herein.Difference is it is also obvious that in the present embodiment, the system
Power supply module is series on rear side of the battery charging and discharging management module, therefore constant-current charging phase is not necessarily to the battery charging and discharging management
The function of the path management module in module, but preliminary filling and constant voltage charging phase still need path management.Here,
It should be noted that the component module in attached drawing of the present invention be mainly subject to constant-current charge when the component module that needs, therefore at this
The path management module in the battery charging and discharging management module is omitted in the attached drawing of embodiment, only for constant current
A kind of schematic diagram of charging stage not indicates that the entire charging stage does not all need the path management module.The charge pump
After the electric energy of module output enters the battery module, some electric energy can be transmitted by the battery charging and discharging management module
To the system power supply module.Specifically, the charger is electrically connected with the input terminal of the battery charging and discharging management module；Institute
It states charger while being connect by the over-voltage over-current protection module in the terminal with the input terminal of the electric charge pump module；
The output end of the electric charge pump module is directly electrically connected with the battery module；The output end of the battery charging and discharging management module
It is electrically connected with the system power supply module and the battery module.
Further, in the present embodiment, the charger complete communication protocol shake hands and parameter configuration after, if the end
Protocol integrated test system module judgement in end carries out precharge mode first, then electric energy is transferred to the terminal by the charger
Interior battery charging and discharging management module includes that the over-voltage and over-current is protected by known above, in the battery charging and discharging management module
Protect module, thus the electric energy first carry out being separately flowed by the path management module after the over-voltage over-current protection module it is described
Battery module and the system power supply module.If the protocol integrated test system module judgement in the terminal carries out constant-current charge,
The electric energy of the charger output will be by inputting the electricity after the over-voltage over-current protection module in the external terminal
Lotus pump module directly inputs the battery module via the electric charge pump module constant current output, due to the battery charging and discharging pipe
Module and the system power supply block coupled in series are managed after the battery module, then the electric energy of the electric charge pump module output will not
The battery module is fully entered, some can enter the system power supply mould via the battery charging and discharging management module
Block.
Example IV
As shown in figure 5, the structural schematic diagram of another batter-charghing system of the invention.Wherein with three identical portions of embodiment
Point, it repeats no more, main difference is that, external over-voltage over-current protection module is not used, but uses the battery charging and discharging
The over-voltage over-current protection module in management module carries out the over-voltage of the charge pump and the battery charging and discharging management module
Overcurrent protection or limitation.Specifically, the charger is electrically connected with the over-voltage over-current protection module, the over-voltage over-current protection
The output end of module is electrically connected with the input terminal of the electric charge pump module, the output end of the electric charge pump module and the battery mould
Block electrical connection；The output end of the battery charging and discharging management module is electrically connected with the system power supply module and the battery module
It connects.
In the present embodiment, no matter the electric energy of the charger is that output is filled to the battery under which kind of charging modes
Electric discharge management module, according to different charging modes, delivers the power to different after the over-voltage over-current protection module
In module path, by this present embodiment, the system power supply module and the battery charging and discharging management module are series at described
After battery module, in the constant-current charging phase without the path management in the battery charging and discharging management module
The purpose of the present invention can be realized in the function of module.
As shown in fig. 6, the present invention also protects the charging method based on above-mentioned charging system, including S100 charger and terminal
Interior protocol integrated test system module carries out communication interaction, and completes parameter configuration；Whether terminal described in S101 detects battery module voltages
Lower than the first voltage value；If the battery module voltages are less than the first voltage, open battery charging and discharging management module and fill
Electric pathway is pre-charged, until the battery module voltages reach the first voltage.If the S102 battery module voltages
More than or equal to the first voltage value, then for make the electric charge pump module make its export electric current compared with input current promoted N times, wherein N >
1, carry out constant-current charge；Terminal described in S103 detects the battery module voltages and/or electric current reaches second voltage value and/or electricity
When flowing preset value, the charge pump charging path is closed, opens the charging path of battery charging and discharging management module, constant pressure is carried out and fills
Electricity is until charging finishes；After S104 charges, the battery charging and discharging management module continues as system power supply module and provides electricity
Energy.Further, the first voltage is less than the second voltage.In the present embodiment, the charger includes: controllable constant-current
Source is used to provide the described battery modules constant-current charging function；Output voltage limits module, for limiting the output of the charger
Voltage is no more than setting value；The setting value is that twice of the second voltage adds line loss voltage value.So art technology
Personnel are appreciated that the setting threshold voltage is practical and are slightly larger than the second voltage.Meanwhile in the S103, the constant pressure
The condition of charging stage starting, can by detecting the second voltage, can also by detecting the electric current preset value, or
It detects the second voltage and detects the electric current preset value again to realize.Protocol module, for in the terminal described in
Protocol integrated test system module carries out protocol interaction communication.The battery charging and discharging management module includes: over-voltage over-current protection module, is used for
Detection is delivered to the voltage and current of the terminal by the charger and provides over-voltage and over-current shutdown defencive function, and will be defeated
Enter current limit in a security interval.Path management module charges for the charged state according to the battery module
Current path dynamically distributes, and the electric current that the charger is provided carries out dynamic resource management, and a part is conveyed to the system
Power supply module, another part are conveyed to the battery module.
Further, corresponding in order to realize constant-current charge process described in S102 in the present embodiment in the S102
There are two types of structure connection relationships, as above-described embodiment is illustrated, that is, 1, the system power supply block coupled in series fills in the battery
Electric discharge management rear side, after the electric energy of the electric charge pump module output enters the battery module, some electric energy can lead to
It crosses the battery charging and discharging management module and is transferred to the system power supply module.2, the system power supply module and the battery fill
The electric energy of electric discharge management wired in parallel, the electric charge pump module output carries out dynamic allocation pipe by the path management module
Reason, a part are transferred to the system power supply module, and another part is transferred to the battery module.
In a preference of the present embodiment, in the S102, the electric energy of the charger output can be by described
Enter the electric charge pump module after the over-voltage over-current protection module in battery charging and discharging management module.It can also be by described
After the over-voltage over-current protection module in terminal enter the electric charge pump module, the structure of the over-voltage over-current protection module and
Details are not described herein for connection relationship.
Charging process of the invention is described below:
Be inserted into charger: charger default output 5V, current limit 2A, charger and terminal start to carry out protocol communication,
If protocol communication result is that both sides meet the equipment that this programme defines, enter the direct quick charge mould of high efficient, high pressure rate
Formula；Otherwise charger keeps default output 5V, and the configuration of current limit 2A is until charging complete.In the present invention, we are only
The direct fast charge mode of high efficient, high pressure rate is illustrated:
Pre-charge process:
Terminal detects that cell voltage is too low, starts to start pre-charge process.At this point, charger keeps default output 5V,
Current limliting 2A；Terminal carries out low current charge to lithium battery by battery charging and discharging management module, until battery module voltages reach
Constant-current charge setting value (first voltage)；
Constant-current charge process:
After terminal detects that battery module voltages reach constant-current charge setting value, start to start constant-current charge process.It is described
The charging path closing of battery charging and discharging management module (still retains the protocol integrated test system in the battery charging and discharging management module
The voltage of module, electric current, the functions such as temperature and timing monitoring), the high efficiency quick charge access of the electric charge pump module is opened；
The protocol control units notify the charger to enter constant current source module.At this point, the electric charge pump module makes it export electric current
N times is promoted compared with input current, wherein N > 1, carries out constant-current charge；The output of the electric charge pump module is supplied to system power supply module
It charges with battery module.Charger operation is in 3A constant current source module, with being stepped up for battery module voltages, charger output
Voltage follow be stepped up until voltage limit (High voltage limiting).The constant-current charging phase is by institute
State charger control.
Constant-voltage charge process:
Terminal detects that battery module voltages and/or electric current reach constant-voltage charge setting value (second voltage) and/or electric current
After preset value, start to start constant-voltage charge process.The electric charge pump module high efficiency quick charge path blockade；The battery fills
The charging path for management module of discharging is opened；The protocol control units notice charger enters the 5V burning voltage output of default
Mode exports current limit 2A.Battery charging and discharging management module starting constant pressure (CV) charging, until charge cutoff.It is described
Constant-voltage phase is by the terminal control.
Charging terminates:
After terminal detects that battery charge cutoff condition meets, charging terminates.Charger is maintained at default conditions, and pressure stabilizing is defeated
5V out, current limit 2A；The electric charge pump module high efficiency quick charge path blockade；The battery charging and discharging management module is logical
Road unlatching is supplied to electric energy and gives system power supply module, and battery charging path, which is closed, simultaneously provides benefit in the case where system power dissipation overload
Electricity.
Charging is restarted:
After terminal detects that battery recharges (Recharge) condition satisfaction, charging process is restarted, and according to electricity
Module voltage situation judgement in pond enters the above-mentioned different charging stage.
In conclusion skilled person will appreciate that, battery module of the present invention is lithium battery, meanwhile, the present invention
The cited merely illustrative value of voltage and current numerical value in above-mentioned charging process, other people can be according to actual operational circumstances and ring
Border carries out the change without creative work to these numerical value, and the numerical value and scheme of these equivalent replacements are in protection model of the invention
In enclosing.
The present invention passes through the various combination and connection type of battery charger and electric charge pump module, realizes that high voltage-small current is high
Efficiency quick charge.The cable of current high current quick charge scheme and the problem of connector compatibility are avoided, is also avoided
Mobile device existing for current high-voltage high-speed charging scheme is generated heat serious problem.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (32)
1. a kind of charging system, it is characterised in that: include: charger and terminal；The charger includes controllable constant-current source, output
Voltage limit module and protocol module；The terminal include electric charge pump module, protocol integrated test system module, over-voltage over-current protection module,
Battery module, battery charging and discharging management module and system power supply module；The output voltage limitation module is for limiting described fill
The output voltage of electric appliance is no more than setting value；The protocol integrated test system module in the protocol module and the terminal carries out agreement
It interactively communicates；The charger is connect with the protocol integrated test system module by signal of the terminal, the controllable constant-current of the charger
Source and output voltage limitation module are electrically connected with the over-voltage over-current protection module of the terminal, and the over-voltage and over-current is protected
Protect module and the electric charge pump module, the battery charging and discharging management module, the battery module and the system power supply module
Electrical connection, the system power supply module are system power supply, meanwhile, the system controls the protocol integrated test system module, the battery
Management of charging and discharging module is used for battery module precharge and constant-voltage charge, and the electric charge pump module is used to carry out battery module
Constant-current charge makes its output electric current promote N times compared with input current, wherein N > 1.
2. charging system according to claim 1, it is characterised in that: the over-voltage over-current protection module is placed outside described fill
Between electric appliance and the electric charge pump module of the terminal, it is located in the terminal.
3. charging system according to claim 1, it is characterised in that: over-voltage over-current protection module, for detecting by described
Charger is delivered to the voltage and current of the terminal and provides over-voltage and over-current shutdown defencive function, and input current is limited
In a security interval.
4. charging system according to claim 2 or 3, it is characterised in that: the system power supply block coupled in series is in the electricity
Pond management of charging and discharging rear side, after the electric energy of the electric charge pump module output enters the battery module, some electric energy
The system power supply module can be transferred to by the battery charging and discharging management module.
5. charging system according to claim 3, it is characterised in that: the charger and the battery charging and discharging manage mould
Over-voltage over-current protection module electrical connection in block, the output end of the over-voltage over-current protection module and the electric charge pump module
Input terminal electrical connection, the output end of the electric charge pump module is electrically connected with the battery module；The battery charging and discharging management
The output end of module is electrically connected with the system power supply module and the battery module.
6. charging system according to claim 2, it is characterised in that: the charger is pressed through with the mistake of the terminal simultaneously
Flow the input terminal of protective module and the input terminal electrical connection of the battery charging and discharging management module；The over-voltage over-current protection module
Output end be electrically connected with the input terminal of the electric charge pump module；The output end of the electric charge pump module and battery module electricity
Connection；The output end of the battery charging and discharging management module is electrically connected with the system power supply module and the battery module.
7. charging system according to claim 2 or 3, it is characterised in that: the battery charging and discharging management module includes road
Diameter management module carries out charging current path dynamic allocation for the charged state according to the battery module.
8. charging system according to claim 7, it is characterised in that: the system power supply module and the battery charging and discharging
Management module is in parallel, and the electric energy of the electric charge pump module output carries out dynamic resource management by the path management module.
9. charging system according to claim 7, it is characterised in that: the charger is pressed through with the mistake of the terminal simultaneously
Flow the input terminal of protective module and the input terminal electrical connection of the battery charging and discharging management module；The over-voltage over-current protection module
Output end be electrically connected with the input terminal of the electric charge pump module；The output end of the electric charge pump module and the battery charging and discharging
Management module and system power supply module electrical connection；The output end and the system power supply of the battery charging and discharging management module
Module and battery module electrical connection.
10. charging system according to claim 7, it is characterised in that: the charger and the battery charging and discharging management
Over-voltage over-current protection module electrical connection in module, the output end of the over-voltage over-current protection module and the charge pump mould
The input terminal of block is electrically connected, the output end of the electric charge pump module and the battery charging and discharging management module and the system power supply
Module electrical connection；The output end of the battery charging and discharging management module is electrically connected with the system power supply module and the battery module
It connects.
11. charging system according to claim 1, it is characterised in that: the charger handles constant-current charge, is filled by described
Protocol module control in electric appliance；The terminal processes constant-voltage charge is controlled by the protocol integrated test system module in terminal.
12. a kind of charging system, it is characterised in that: include:
Charger, for electric charge pump module, battery charging and discharging management module, battery module and the system power supply module in terminal
Electric energy is provided；
Over-voltage over-current protection module, for controlling the voltage and current for flowing into electric charge pump module in a safe range；
Protocol integrated test system module, for communicating each module switching charge mode in simultaneously controlling terminal with charger protocol；
Electric charge pump module, for carrying out constant-current charge to battery module and promoting electric charge pump module output electric current compared with input current
N times, N > 1；
Battery charging and discharging management module, for being also used for the complete of non-matching charger to battery module precharge and constant-voltage charge
Process charge control；
Battery module, for storing electric energy；
System power supply module is used for system power supply.
13. charging system according to claim 12, it is characterised in that: the charger includes
Controllable constant-current source is used to provide the described battery modules constant-current charging function；
Output voltage limits module, and the output voltage for limiting the charger is no more than setting value；
Protocol module, for carrying out protocol interaction communication with the protocol integrated test system module in the terminal.
14. charging system according to claim 13, it is characterised in that: the battery charging and discharging management module includes:
Over-voltage over-current protection module is delivered to the voltage and current of the terminal by the charger and provides over-voltage for detecting
Overcurrent turn-off function defencive function, and input current is limited in a security interval.
15. charging system according to claim 13, it is characterised in that: the terminal further includes over-voltage over-current protection mould
Block, the over-voltage over-current protection module are located at described between the charger and the electric charge pump module of the terminal
In terminal.
16. charging system according to claim 14 or 15, it is characterised in that: the system power supply block coupled in series is in described
On rear side of battery charging and discharging management module, after the electric energy of the electric charge pump module output enters the battery module, some electricity
The system power supply module can be transferred to by the battery charging and discharging management module.
17. charging system according to claim 16, it is characterised in that: the output end of the electric charge pump module and the electricity
The electrical connection of pond module；The output end of the battery charging and discharging management module and the system power supply module and battery module electricity
Connection.
18. charging system according to claim 14 or 15, it is characterised in that: the battery charging and discharging management module packet
Include: path management module carries out charging current path dynamic allocation for the charged state according to the battery module.
19. charging system according to claim 18, it is characterised in that: the system power supply module and the battery charge and discharge
Fulgurite manages wired in parallel, and the electric energy of the electric charge pump module output carries out dynamic resource management by the path management module.
20. charging system according to claim 19, it is characterised in that: the output end of the electric charge pump module and the electricity
Pond management of charging and discharging module and system power supply module electrical connection；The output end of the battery charging and discharging management module with it is described
System power supply module and battery module electrical connection.
21. charging system according to claim 12, it is characterised in that: the charger handles constant-current charge, by described
Protocol module control in charger；The terminal processes constant-voltage charge is controlled by the protocol integrated test system module in terminal
System.
22. a kind of charging method, it is characterised in that: including
Protocol integrated test system module in S100 charger and terminal carries out communication interaction, and completes parameter configuration；
Whether the detection battery module voltages of terminal described in S101 are lower than the first voltage value；
If the S102 battery module voltages are more than or equal to the first voltage value, the electric charge pump module in terminal makes it export electric current
N times is promoted compared with input current, wherein N > 1, carries out constant-current charge；
When the detection of terminal described in the S103 battery module voltages and/or electric current reach second voltage value and/or electric current preset value,
The charge pump charging path is closed, the charging path of the battery charging and discharging management module in terminal is opened, carries out constant-voltage charge
Until charging finishes；The first voltage value is less than the second voltage value；
After S104 charges, the battery charging and discharging management module continues as system power supply module and provides electric energy.
23. charging method according to claim 22, it is characterised in that: the charger includes
Controllable constant-current source is used to provide the described battery modules constant-current charging function；
Output voltage limits module, and the output voltage for limiting the charger is no more than setting value；
Protocol module, for carrying out protocol interaction communication with the protocol integrated test system module in the terminal.
24. charging method according to claim 23, it is characterised in that: the terminal includes:
Over-voltage over-current protection module by electrical energy transportation to the electric charge pump module, for detect be delivered to by the charger it is described
The voltage and current of terminal simultaneously provides over-voltage and over-current shutdown defencive function, and input current is limited in a security interval.
25. charging method according to claim 24, it is characterised in that: the battery charging and discharging management module includes:
Path management module carries out charging current path dynamic allocation for the charged state according to the battery module.
26. charging method according to claim 22, it is characterised in that: further include in the S101, if the battery mould
Block voltage is less than the first voltage, then opens battery charging and discharging management module charging path, be pre-charged, until the electricity
Pond module voltage reaches the first voltage.
27. charging method according to claim 24, it is characterised in that: in the S102, the system power supply module string
It is coupled on rear side of the battery charging and discharging management module, after the electric energy of the electric charge pump module output enters the battery module, has
A part of electric energy can be transferred to the system power supply module by the battery charging and discharging management module.
28. charging method according to claim 25, it is characterised in that: in the S102, the system power supply module and
The battery charging and discharging management module is in parallel, and the electric energy of the electric charge pump module output is moved by the path management module
State distribution management, a part are transferred to the system power supply module, and another part is transferred to the battery module.
29. the charging method according to claim 27 or 28, it is characterised in that: in the S102, the charger output
Electric energy, after the over-voltage over-current protection module in the battery charging and discharging management module enter the charge pump mould
Block.
30. the charging method according to claim 27 or 28, it is characterised in that: over-voltage over-current protection described in the S102
Module is located in the terminal between the charger and the electric charge pump module of the terminal.
31. charging method according to claim 30, it is characterised in that: in the S102, the electricity of the charger output
Can, the electric charge pump module is entered after the over-voltage over-current protection module in the terminal.
32. charging method according to claim 22, it is characterised in that: the charger handles constant-current charge, by described
Protocol module control in charger；The terminal processes constant-voltage charge is controlled by the protocol integrated test system module in terminal
System.
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| CN201610819695.5A CN106300539B (en) | 2016-09-12 | 2016-09-12 | A kind of charging system and method |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107947252B (en) | 2016-10-12 | 2020-09-22 | Oppo广东移动通信有限公司 | Terminal and equipment |
| CN106532831B (en) * | 2016-11-30 | 2018-06-01 | 珠海市魅族科技有限公司 | A kind of charge control method and device |
| JP6952127B2 (en) | 2017-04-07 | 2021-10-20 | オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． | Wireless charging device, device to be charged and its control method |
| EP3493361B1 (en) | 2017-04-07 | 2023-04-26 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Wireless charging system, method, and device to be charged |
| EP3462565B1 (en) | 2017-04-13 | 2021-02-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Device to be charged and charging method |
| CN112636401A (en) * | 2019-09-24 | 2021-04-09 | 北京小米移动软件有限公司 | Wireless charging method and device and electronic equipment |
| CN113572210A (en) * | 2020-04-29 | 2021-10-29 | 北京小米移动软件有限公司 | Charging method, device, equipment and storage medium |
| CN111884282B (en) * | 2020-07-10 | 2022-12-16 | 广东小天才科技有限公司 | Quick charging method |
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