CN110212602A - A kind of charge control method and device, computer storage medium - Google Patents

A kind of charge control method and device, computer storage medium Download PDF

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Publication number
CN110212602A
CN110212602A CN201910453115.9A CN201910453115A CN110212602A CN 110212602 A CN110212602 A CN 110212602A CN 201910453115 A CN201910453115 A CN 201910453115A CN 110212602 A CN110212602 A CN 110212602A
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Prior art keywords
charging
battery
current value
current
charge
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CN201910453115.9A
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Chinese (zh)
Inventor
高晓冬
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No9 Technology Co ltd
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Ninebot Changzhou Technology Co Ltd
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Priority to CN201910453115.9A priority Critical patent/CN110212602A/en
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    • H02J7/0085
    • H02J7/0086

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

This application discloses a kind of charge control methods, which comprises the status before charging of the battery is determined before starting to charge to battery;It is charged to the battery using step charge mode based on the status before charging;Wherein, the step charge mode is followed successively by constant-current charge mode, constant-voltage charge mode, constant-current charge mode.The application further simultaneously discloses a kind of battery charge controller and computer storage medium.

Description

A kind of charge control method and device, computer storage medium
Technical field
This application involves charging fields, and in particular to a kind of charge control method and device, computer storage medium.
Background technique
Currently, the problem of battery charging maximum is charge rate deficiency and overcharge.Charge rate deficiency will lead to battery appearance Amount can lower and lower, the lost of life;Charging for a long time will lead to battery electrolyte evaporation, and battery capacity is made to become smaller, battery bulge, There are security risks.
Summary of the invention
In view of this, the application provides a kind of charge control method and device, computer storage medium, can be effectively prevented Battery the problem of charge rate is insufficient during the charging process and overcharge, improve the service life of battery.
In order to achieve the above objectives, the technical solution of the application is achieved in that
In a first aspect, the embodiment of the present application provides a kind of charge control method, which comprises
The status before charging of the battery is determined before starting to charge to battery;
It is charged to the battery using step charge mode based on the status before charging;Wherein, the step charge side Formula is followed successively by constant-current charge mode, constant-voltage charge mode, constant-current charge mode.
It is optionally, described that the preceding status before charging for determining the battery is started to charge to battery in above scheme, comprising:
Obtain the cell voltage of the battery before starting to charge to battery;
The status before charging of the battery is judged based on the cell voltage.
In above scheme, optionally, when the step charge mode is the constant-current charge mode of first stage, it is based on The status before charging charges to the battery, comprising:
If the status before charging is battery abnormality, do not charge to the battery;
It is that the battery fills with the first current value if the status before charging is over-discharge state or shallow discharge state Electricity, if within first time current value drop to the second current value hereinafter, if charging under normal circumstances control enter second-order Section charging, otherwise stops charging;Wherein, first current value is greater than second current value;
It is battery charging with the first current value, if in institute if the status before charging is conventional discharge state It states current value in the second time and is reduced to the second current value hereinafter, then controlling into second stage fill under normal circumstances in charging Otherwise electricity stops charging;Wherein, second time is greater than the first time.
In above scheme, optionally, when the step charge mode is the constant-voltage charge mode of second stage, it is based on The status before charging charges to the battery, comprising:
It is battery charging with constant voltage value, starts timing when detecting that charging current is equal to the second current value, if Electric current within the first stipulated time is less than or equal to third current value, then in charging, control enters the phase III under normal circumstances Otherwise charging stops charging;Wherein, the third current value is less than second current value.
In above scheme, optionally, when the step charge mode is the constant-current charge mode of phase III, it is based on The status before charging charges to the battery, comprising:
It is battery charging with the 4th current value, if detect the charging with the 4th current value for battery charging Between when meeting for the second stipulated time, then stop charging;If in the charging process for being battery charging with the 4th current value, electricity Pressure reaches voltage limiting value, then stops charging.
In above scheme, optionally, the method also includes:
If detecting charger during the charging process and the battery disconnecting, control fills the electric appliance and stops output And it resets.
Second aspect, the embodiment of the present application provide a kind of battery charge controller, and described device includes:
Determining module, for determining the status before charging of the battery before starting to charge to battery;
Control module, for being charged to the battery using step charge mode based on the status before charging;Wherein, institute It states step charge mode and is followed successively by constant-current charge mode, constant-voltage charge mode, constant-current charge mode.
In above scheme, optionally, the determining module is also used to:
Obtain the cell voltage of the battery before starting to charge to battery;
The status before charging of the battery is judged based on the cell voltage.
In above scheme, optionally, the control module is also used to:
When the step charge mode is the constant-current charge mode of first stage, if the status before charging is battery Abnormality does not charge to the battery then;If the status before charging is over-discharge state or shallow discharge state, with first Current value is battery charging, if within first time current value drop to the second current value hereinafter, if in the positive reason of charging Control enters second stage and charges under condition, otherwise stops charging;Wherein, first current value is greater than second current value; It is battery charging with the first current value, if at described second if the status before charging is conventional discharge state Interior current value is reduced to the second current value hereinafter, then in charging, under normal circumstances otherwise control stops into second stage charging Only charge;Wherein, second time is greater than the first time.
In above scheme, optionally, the control module is also used to:
It is that the battery fills with constant voltage value when the step charge mode is the constant-voltage charge mode of second stage Electricity starts timing when detecting that charging current is equal to the second current value, if the electric current within the first stipulated time is less than or waits In third current value, then in charging, control enters phase III charging under normal circumstances, otherwise stops charging;Wherein, described Three current values are less than second current value.
In above scheme, optionally, the control module is also used to:
When the step charge mode is the constant-current charge mode of phase III, with the 4th current value for the battery Charging, if detecting, stopping is filled when meeting for the second stipulated time with the charging time that the 4th current value is battery charging Electricity;If voltage reaches voltage limiting value, then stops charging in the charging process for being battery charging with the 4th current value.
In above scheme, optionally, the control module is also used to:
If detecting charger during the charging process and the battery disconnecting, control fills the electric appliance and stops output And it resets.
The third aspect, the embodiment of the present application provide a kind of computer storage medium, deposit in the computer storage medium Computer executable instructions are contained, the computer executable instructions require above-described charge control side for perform claim Method.
The charge control method and device, computer storage medium that the application proposes determine institute before starting to charge to battery State the status before charging of battery;It is charged to the battery using step charge mode based on the status before charging;Wherein, described Step charge mode is followed successively by constant-current charge mode, constant-voltage charge mode, constant-current charge mode.In this way, compared to existing Some third sections use constant-voltage charge mode, and the application uses constant-current charge mode in third section, storage can be effectively prevented Battery the problem of charge rate is insufficient during the charging process and overcharge, improve the service life of battery.
Detailed description of the invention
Fig. 1 is a kind of implementation process schematic diagram of charge control method provided by the embodiments of the present application;
Fig. 2 is charging curve schematic diagram provided by the embodiments of the present application;
Fig. 3 is the flow diagram provided by the embodiments of the present application to battery charging;
Fig. 4 is a kind of composed structure schematic diagram of battery charge controller provided by the embodiments of the present application.
Specific embodiment
The technical solution of the application is further elaborated in the following with reference to the drawings and specific embodiments.
The embodiment of the present application provides a kind of charge control method, as shown in Figure 1, the method specifically includes that
Step 101, the status before charging that the battery is determined before starting to charge to battery.
As an alternative embodiment, described start to charge the preceding status before charging for determining the battery to battery, Include:
Obtain the cell voltage of the battery before starting to charge to battery;
The status before charging of the battery is judged based on the cell voltage.
In the embodiment of the present application, the status before charging is included at least: abnormality, over-discharge state, shallow discharge state, Normal discharge condition.
Wherein, battery abnormality is the state that can not be charged.For example, when cell voltage is less than the first voltage value or is greater than When equal to second voltage value, judge the status before charging of the battery for abnormality;Wherein, the second voltage value is greater than institute State the first voltage value.
Wherein, over-discharge state and shallow discharge state belong to chargeable state.For example, when cell voltage is greater than or waits In the first voltage value and be less than third voltage value when, judge the status before charging of the battery for over-discharge state;Wherein, described Third voltage value is greater than the first voltage value, and the third voltage value is less than the second voltage value.For example, working as cell voltage When more than or equal to the 4th voltage value and being less than the second voltage value, judge the status before charging of the battery for shallow discharge shape State;Wherein, the 4th voltage value is greater than the third voltage value, and the 4th voltage value is less than the second voltage value.
Wherein, conventional discharge state belongs to chargeable state.For example, when cell voltage is greater than or equal to the third electricity Pressure value and be less than four voltage value when, judge the status before charging of the battery for conventional discharge state.
Illustratively, as cell voltage<25.0 volt (V) or cell voltage>=60.0V, the status before charging of battery is different Normal state;As 25.0V≤cell voltage < 40.0V, the status before charging of battery is over-discharge state;When 52.0V≤battery electricity When pressure < 60.0V, the status before charging of battery is shallow discharge state;As 40.0V≤cell voltage < 52.0V, the charging of battery Preceding state is conventional discharge state.
In this way, different charging measures is taken battery according to battery status before charging convenient for subsequent, rather than regardless of electricity Pond status before charging and to battery carry out blindness charging, be conducive to protect battery, improve the service life of battery.
Step 102 is charged to the battery using step charge mode based on the status before charging;Wherein, described point Section charging modes are followed successively by constant-current charge mode, constant-voltage charge mode, constant-current charge mode.
It in the embodiment of the present application, is divided into three sections and charges, specially the constant-current charge mode of first stage, second-order Constant-voltage charge mode, the constant-current charge mode of phase III of section.
In some alternative embodiments, when the constant-current charge mode that the step charge mode is the first stage When, it is charged based on the status before charging to the battery, comprising:
If the status before charging is battery abnormality, do not charge to the battery;
It is that the battery fills with the first current value if the status before charging is over-discharge state or shallow discharge state Electricity, if within first time current value drop to the second current value hereinafter, if charging under normal circumstances control enter second-order Section charging, otherwise stops charging;Wherein, first current value is greater than second current value;
It is battery charging with the first current value, if in institute if the status before charging is conventional discharge state It states current value in the second time and is reduced to the second current value hereinafter, then controlling into second stage fill under normal circumstances in charging Otherwise electricity stops charging;Wherein, second time is greater than the first time.
In this way, by judging battery status before charging, to adjust the charging time of first stage electric current.
In the present embodiment, the charging normally includes at least charger and battery is in connection status.
Illustratively, as cell voltage<25.0V or cell voltage>=60.0V, the status before charging of battery is abnormal shape State does not charge to the battery then.
Illustratively, the first current value is 1.8 peaces (A), and it is at the first time 3 hours (h) that the second current value, which is 1.5A, the Two hours are 6.5h, and as 25.0V≤cell voltage < 40.0V, the status before charging of battery is over-discharge state;When 52.0V≤ When cell voltage < 60.0V, the status before charging of battery is shallow discharge state;It is over-discharge state in the status before charging of battery Or when shallow charged state, the control first segment constant current 1.8A charging time is in 3.0h, if current reduction is to 1.5A in 3.0h Hereinafter, then charging is normally carried out next stage charging, otherwise charger output cutting, stops charging.
Illustratively, as 40.0V≤cell voltage < 52.0V, the status before charging of battery is conventional discharge state, control The first segment constant current 1.8A charging time processed be 6.5h in, if current reduction in 6.5h to 1.5A hereinafter, if charge normally into The charging of row next stage, otherwise charger output cutting, stops charging.
In some alternative embodiments, when the constant-voltage charge mode that the step charge mode is second stage When, it is charged based on the status before charging to the battery, comprising:
It is battery charging with constant voltage value, starts timing when detecting that charging current is equal to the second current value, if Electric current within the first stipulated time is less than or equal to third current value, then in charging, control enters the phase III under normal circumstances Otherwise charging stops charging;Wherein, the third current value is less than second current value.
In this way, by judging the electric current in the stipulated time, to control second segment constant-voltage charge.
Here, third electric current can be understood as breakover current.
Illustratively, third current value is 0.43A, and the first stipulated time was 3h, and constant voltage value is 58.8V, and charger is just Often enter second segment constant-voltage charge, is battery charging with constant voltage value 58.8V, as charging current=1.5A, timing Device starts timing, if electric current≤0.43A when 3.0h, charger normally enters the charging of third section, otherwise charger output cutting, Stop charging.
In some alternative embodiments, when the constant-current charge mode that the step charge mode is the phase III When, it is charged based on the status before charging to the battery, comprising:
It is battery charging with the 4th current value, if detect the charging with the 4th current value for battery charging Between when meeting for the second stipulated time, then stop charging;If in the charging process for being battery charging with the 4th current value, electricity Pressure reaches voltage limiting value, then stops charging.
In this way, fixing time, by way of constant current, voltage limit, to control third section constant-current charge.
Illustratively, the 4th current value is 0.2A, and the second stipulated time was 2h, voltage limiting value 58.8V, and charger enters the It when three sections of constant-current charges, charges by battery of 0.2A, while timer starts timing, the output of cutting charger, charging after 2h In the process if voltage reaches voltage limiting value 58.8V, charger also cuts off output, and charging terminates.
In above scheme, the method also includes:
If detecting charger during the charging process and the battery disconnecting, control fills the electric appliance and stops output And it resets.
In above scheme, the method also includes:
If charger can normally enter next stage charging in the stipulated time, charger is charged normal, and otherwise control is filled Electric appliance cutting output, and stop charging.
In the embodiment of the present application, the battery can be battery, such as lead-acid accumulator.
In the embodiment of the present application, the battery can be the power storage cell on vehicle, such as battery or electricity on electric vehicle Battery on electrical automobile.
Fig. 2 shows charging curve schematic diagram, as shown in Fig. 2, charging is altogether in three stages, the specially first stage determines electricity Current charge mode, the constant-voltage charge mode of second stage, the constant-current charge mode of phase III.First stage is with constant current 1.8 peace (A) charging, if current reduction in 3.0 hours (h) to 1.5A hereinafter, if charging be normally carried out second stage charge;? Second stage is with constant voltage value 58.8V charging, when charging current is decreased to less than breakover current 0.43A by 1.5A, then charger Normally enter phase III charging;It when phase III constant-current charge, charges, and is being charged after a certain period of time by battery of 0.2A It cuts off charger to export, if voltage reaches 58.8 volts of voltage limiting value (V) in charging process, charger also cuts off output, charging knot Beam.
Need to illustrate when, above-mentioned charging curve schematic diagram is with the concatenated 12V/12Ah battery of 4 sections, i.e., specified 48V/ 12Ah is what example was illustrated, and for different voltages, the battery of different capabilities, parameter can adjust according to the actual situation.
As it can be seen that herein described charge control scheme uses common constant current, the fixed electricity of second segment in first segment charging Pressure charging, third section are different from common constant-voltage charge, and herein described charging scheme third section uses constant-current charge Mode, third section use constant-current charge mode, while by fix time, voltage limit means are assisted, can effectively mention The charge rate of plumbic acid battery, meanwhile, it can be evaporated to avoid high-voltage charge bring battery electrolyte.Also, at last After section charging complete, cutting charger output can also play energy saving effect.
Charge control method described in the embodiment of the present application determines shape before the charging of the battery before starting to charge to battery State;It is charged to the battery using step charge mode based on the status before charging;Wherein, the step charge mode is successively For constant-current charge mode, constant-voltage charge mode, constant-current charge mode.In this way, compared to existing third section using fixed Voltage charging modes, the application use constant-current charge mode in third section, by changing third section charging modes, pass through battery State judgement, the electric current in the stipulated time judge to add specific charging process control by specific charging modes to protect battery Mode processed realizes the effective protection to battery, can not only improve charge rate, while can also be to avoid high-voltage charge bring electricity Electrolyte evaporation in pond improves electric power storage the problem of can be effectively prevented battery charge rate is insufficient during the charging process and overcharge The service life in pond.
Fig. 3 shows the flow diagram to battery charging, VbaIndicate cell voltage, Ic1Indicate first segment charging current, Ic2Indicate third section charging current, T11 indicates the first segment charging time 1, and T2 indicates second segment charging time, VcIndicate second segment Charging voltage, IcExpression judges that electric current, T12 indicate the first segment charging time, and T3 indicates the third section charging time, as shown in figure 3, The process mainly includes four most of, and first part is that battery status judges in advance, and second part is constant-current charge process control, Part III is constant-voltage charge process control, and Part IV is constant-current charge process control;Wherein, first part passes through survey Determine cell voltage Vba, by anticipation power-off cell voltage come the active control charging time, specifically, according to cell voltage VbaIt will be electric Pond state is divided into 5 kinds of situations, and as cell voltage < 25.0V, battery status is abnormality, and cell voltage is too low, charger into Enter no-load standby state;As cell voltage >=60.0V, battery status is abnormality, and cell voltage is excessively high, and charging terminates; As 25.0V≤cell voltage < 40.0V, battery status is over-discharge state, and charger can start first stage charging;When When 52.0V≤cell voltage < 60.0V, battery status is shallow discharge state, and charger can start first stage charging;Work as 40.0V When≤cell voltage < 52.0V, battery status is conventional discharge state, and charger can start first stage charging.
Second part is by according to battery different conditions, by current vs in different time periods, to control the different of charging Normal state.When battery status is over-discharge state or shallow discharge state, constant-current charge starts, with current value Ic1=1.8A pairs Battery starts to charge, and the control first segment constant current 1.8A charging time is in T11=3.0h, if electric current drops in T11=3.0h As low as Ic1=1.5A is hereinafter, carry out second stage charging if charging is normal, and otherwise charger output cutting, stops charging, than Such as, battery and charger are in connection status and cell voltage VbaLess than or equal to 58.8V, then second stage charging is carried out.When When 40.0V≤cell voltage < 52.0V, battery status is conventional discharge state, controls first segment constant current Ic1When=1.8A charges Between in T12=6.5h, if current reduction is to I in T12=6.5hc1=1.5A is hereinafter, carry out second-order if charging is normal Section charging, otherwise charger output cutting, stops charging, for example, battery and charger are in connection status and cell voltage Vba Less than or equal to 58.8V, then second stage charging is carried out.
Part III is by judging the electric current put determining to carry out current timing in electric process, during controlling constant voltage Electric current gos up or electric current cannot be reduced to switching current.Specifically, with V0=58.8V be battery charging, when detect charging electricity Flow IcStart timing when=1.5A, if the I in T2=3hc≤ 0.43A, then in charging, control enters third rank under normal circumstances Section charging, otherwise stops charging.
The charging modes charging that Part IV is fixed time with low current.Specifically, with Ic2=0.2A is battery charging, and Cutting charger exports after charging T3=2h, if voltage reaches voltage limiting value 58.8V in charging process, charger also cuts off defeated Out, charging terminates.In this way, can effectively improve charge rate, while avoiding high-voltage charge bring phenomenon of losing water.
In this way, protect battery by battery status judgement, the electric current judgement in the stipulated time, especially by specifically filling Electric mode adds specific charging process control mode, realizes to the effective protection of battery, can not only improve charge rate, while can also To avoid the evaporation of high-voltage charge bring battery electrolyte, battery can be effectively prevented, and charge rate is insufficient during the charging process And the problem of overcharge, improve the service life of battery.
Embodiment two
A kind of battery charge controller is present embodiments provided, as shown in figure 4, the device includes:
Determining module 10, for determining the status before charging of the battery before starting to charge to battery;
Control module 20, for being charged to the battery using step charge mode based on the status before charging;Wherein, The step charge mode is followed successively by constant-current charge mode, constant-voltage charge mode, constant-current charge mode.
In some optional embodiments, the determining module 10 is also used to:
Obtain the cell voltage of the battery before starting to charge to battery;
The status before charging of the battery is judged based on the cell voltage.
In some optional embodiments, the control module 20 is also used to:
When the step charge mode is the constant-current charge mode of first stage, if the status before charging is battery Abnormality does not charge to the battery then;If the status before charging is over-discharge state or shallow discharge state, with first Current value is battery charging, if within first time current value drop to the second current value hereinafter, if in the positive reason of charging Control enters second stage and charges under condition, otherwise stops charging;Wherein, first current value is greater than second current value; It is battery charging with the first current value, if at described second if the status before charging is conventional discharge state Interior current value is reduced to the second current value hereinafter, then in charging, under normal circumstances otherwise control stops into second stage charging Only charge;Wherein, second time is greater than the first time.
In some optional embodiments, the control module 20 is also used to:
It is that the battery fills with constant voltage value when the step charge mode is the constant-voltage charge mode of second stage Electricity starts timing when detecting that charging current is equal to the second current value, if the electric current within the first stipulated time is less than or waits In third current value, then in charging, control enters phase III charging under normal circumstances, otherwise stops charging;Wherein, described Three current values are less than second current value.
In some optional embodiments, the control module 20 is also used to:
When the step charge mode is the constant-current charge mode of phase III, with the 4th current value for the battery Charging, if detecting, stopping is filled when meeting for the second stipulated time with the charging time that the 4th current value is battery charging Electricity;If voltage reaches voltage limiting value, then stops charging in the charging process for being battery charging with the 4th current value.
In above scheme, the control module 20 is also used to:
If detecting charger during the charging process and the battery disconnecting, control fills the electric appliance and stops output And it resets.
It will be appreciated by those skilled in the art that managing the realization function of module everywhere in battery charge controller shown in Fig. 4 The associated description of aforementioned charge control method can be can refer to and understood.It will be appreciated by those skilled in the art that charging shown in Fig. 4 The function of each processing unit can be realized and running on the program on processor in control device, can also pass through specific logic Circuit and realize.
In practical application, the specific structure of above-mentioned acquisition module 10 and control module 20 may both correspond to processor.It is described The specific structure of processor can for central processing unit (CPU, Central Processing Unit), microprocessor (MCU, Micro Controller Unit), digital signal processor (DSP, Digital Signal Processing) or programmable Logical device (PLC, Programmable Logic Controller) etc. has the electronic component or electronics member of processing function The set of device.Wherein, the processor includes executable code, and the executable code is stored in a storage medium, described Processor can be by being connected, in the corresponding function for executing specific each unit in the communication interfaces such as bus and the storage medium When, it is read from the storage medium and runs the executable code.The storage medium is for storing the executable generation The part of code is preferably non-moment storage medium.
The acquisition module 10 and control module 20 can integrate corresponding to same processor, or respectively correspond different places Manage device;When integrating corresponding to same processor, the processor handles the acquisition module 10 and control module using the time-division 20 corresponding functions.
The battery charge controller that the application proposes, adds specific charging process control mode by specific charging modes, It realizes to the effective protection of battery, charge rate can not only be improved, while can also be electrolysed to avoid high-voltage charge bring battery Liquid evaporation improves the longevity of battery the problem of can be effectively prevented battery charge rate is insufficient during the charging process and overcharge Life.
The embodiment of the present application also describes a kind of computer storage medium, and calculating is stored in the computer storage medium Machine executable instruction, the computer executable instructions are for executing charge control method described in foregoing individual embodiments.? That is can be realized any one aforementioned technical solution after the computer executable instructions are executed by processor and provide Charge control method.
It will be appreciated by those skilled in the art that in the computer storage medium of the present embodiment each program function, can refer to The associated description of charge control method described in foregoing embodiments and understand.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it Its mode is realized.Apparatus embodiments described above are merely indicative, for example, the division of the unit, only A kind of logical function partition, there may be another division manner in actual implementation, such as: multiple units or components can combine, or It is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each composition portion Mutual coupling or direct-coupling or communication connection is divided to can be through some interfaces, the INDIRECT COUPLING of equipment or unit Or communication connection, it can be electrical, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as unit The component shown can be or may not be physical unit;Both it can be located in one place, and may be distributed over multiple network lists In member;Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in each embodiment of the application can be fully integrated in one processing unit, it can also To be each unit individually as a unit, can also be integrated in one unit with two or more units;It is above-mentioned Integrated unit both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, which exists When execution, step including the steps of the foregoing method embodiments is executed;And storage medium above-mentioned includes: movable storage device, read-only deposits Reservoir (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or The various media that can store program code such as CD.
If alternatively, the above-mentioned integrated unit of the application is realized in the form of software function module and as independent product When selling or using, it also can store in a computer readable storage medium.Based on this understanding, the application is implemented Substantially the part that contributes to existing technology can be embodied in the form of software products the technical solution of example in other words, The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with Personal computer, server or network equipment etc.) execute each embodiment the method for the application all or part. And storage medium above-mentioned includes: that movable storage device, ROM, RAM, magnetic or disk etc. are various can store program code Medium.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.

Claims (13)

1. a kind of charge control method, which is characterized in that the described method includes:
The status before charging of the battery is determined before starting to charge to battery;
It is charged to the battery using step charge mode based on the status before charging;Wherein, the step charge mode according to Secondary is constant-current charge mode, constant-voltage charge mode, constant-current charge mode.
2. the method as described in claim 1, which is characterized in that described to start to charge the preceding charging for determining the battery to battery Preceding state, comprising:
Obtain the cell voltage of the battery before starting to charge to battery;
The status before charging of the battery is judged based on the cell voltage.
3. the method as described in claim 1, which is characterized in that when the constant current that the step charge mode is the first stage is filled When electric mode, charged based on the status before charging to the battery, comprising:
If the status before charging is battery abnormality, do not charge to the battery;
It is battery charging with the first current value, such as if the status before charging is over-discharge state or shallow discharge state Fruit current value within first time drops to the second current value and fills hereinafter, then controlling under normal circumstances into second stage in charging Otherwise electricity stops charging;Wherein, first current value is greater than second current value;
It is that the battery charges with the first current value, if described the if the status before charging is conventional discharge state Current value is reduced to the second current value hereinafter, then control is no into second stage charging under normal circumstances in charging in two times Then stop charging;Wherein, second time is greater than the first time.
4. the method as described in claim 1, which is characterized in that when the constant voltage that the step charge mode is second stage is filled When electric mode, charged based on the status before charging to the battery, comprising:
It is battery charging with constant voltage value, starts timing when detecting that charging current is equal to the second current value, if the Electric current in one stipulated time is less than or equal to third current value, then controls into the phase III and fill under normal circumstances in charging Otherwise electricity stops charging;Wherein, the third current value is less than second current value.
5. the method as described in claim 1, which is characterized in that when the constant current that the step charge mode is the phase III is filled When electric mode, charged based on the status before charging to the battery, comprising:
It is battery charging with the 4th current value, if detecting was expired with the charging time that the 4th current value is battery charging When the second stipulated time of foot, then stop charging;If voltage reaches in the charging process for being battery charging with the 4th current value To voltage limiting value, then stop charging.
6. such as method described in any one of claim 1 to 5, which is characterized in that the method also includes:
If detecting charger and the battery disconnecting during the charging process, control fills the electric appliance and stops exporting and multiple Position.
7. a kind of battery charge controller, which is characterized in that described device includes:
Determining module, for determining the status before charging of the battery before starting to charge to battery;
Control module, for being charged to the battery using step charge mode based on the status before charging;Wherein, described point Section charging modes are followed successively by constant-current charge mode, constant-voltage charge mode, constant-current charge mode.
8. device as claimed in claim 7, which is characterized in that the determining module is also used to:
Obtain the cell voltage of the battery before starting to charge to battery;
The status before charging of the battery is judged based on the cell voltage.
9. device as claimed in claim 7, which is characterized in that the control module is also used to:
When the step charge mode is the constant-current charge mode of first stage, if the status before charging is that battery is abnormal State does not charge to the battery then;If the status before charging is over-discharge state or shallow discharge state, with the first electric current Value be the battery charge, if within first time current value drop to the second current value hereinafter, if charging under normal circumstances Control enters second stage and charges, and otherwise stops charging;Wherein, first current value is greater than second current value;If institute Stating status before charging is conventional discharge state, then is battery charging with the first current value, if within second time Current value is reduced to the second current value hereinafter, then in charging, control enters second stage charging under normal circumstances, and otherwise stopping is filled Electricity;Wherein, second time is greater than the first time.
10. device as claimed in claim 7, which is characterized in that the control module is also used to:
It is battery charging with constant voltage value when the step charge mode is the constant-voltage charge mode of second stage, Start timing when detecting that charging current is equal to the second current value, if the electric current within the first stipulated time is less than or equal to the Three current values, then in charging, control enters phase III charging under normal circumstances, otherwise stops charging;Wherein, the third electricity Flow valuve is less than second current value.
11. device as claimed in claim 7, which is characterized in that the control module is also used to:
It is that the battery fills with the 4th current value when the step charge mode is the constant-current charge mode of phase III If electricity stops charging detect the second stipulated time of satisfaction charging time with the 4th current value for battery charging; If voltage reaches voltage limiting value, then stops charging in the charging process for being battery charging with the 4th current value.
12. such as the described in any item devices of claim 7 to 11, which is characterized in that the control module is also used to:
If detecting charger and the battery disconnecting during the charging process, control fills the electric appliance and stops exporting and multiple Position.
13. a kind of computer storage medium, computer executable instructions, the calculating are stored in the computer storage medium Machine executable instruction requires 1 to 6 described in any item charge control methods for perform claim.
CN201910453115.9A 2019-05-28 2019-05-28 A kind of charge control method and device, computer storage medium Pending CN110212602A (en)

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CN113809791A (en) * 2021-08-11 2021-12-17 Tcl通讯(宁波)有限公司 Charging control method and device, terminal equipment and storage medium

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