CN106329019A - Charging method and device - Google Patents
Charging method and device Download PDFInfo
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- CN106329019A CN106329019A CN201610757694.2A CN201610757694A CN106329019A CN 106329019 A CN106329019 A CN 106329019A CN 201610757694 A CN201610757694 A CN 201610757694A CN 106329019 A CN106329019 A CN 106329019A
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- 238000007600 charging Methods 0.000 title claims abstract description 214
- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000005611 electricity Effects 0.000 claims description 86
- 230000000052 comparative effect Effects 0.000 claims description 54
- 230000005669 field effect Effects 0.000 claims description 3
- 238000010277 constant-current charging Methods 0.000 claims description 2
- 230000002045 lasting effect Effects 0.000 claims 3
- 230000010287 polarization Effects 0.000 description 63
- 230000004913 activation Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 14
- 238000012544 monitoring process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000010280 constant potential charging Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
- H02J7/00718—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current in response to charge current gradient
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
- H02J7/007184—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage in response to battery voltage gradient
-
- H02J7/0078—
-
- 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)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a charging method and device and belongs to the technical field of computers. The method comprises steps as follows: whether a current voltage value of a battery is equal to a constant-voltage threshold value is determined; when the voltage value is equal to the constant-voltage threshold value, the battery is discharged with the first constant negative current and is charged with the first constant positive current, and the first constant negative current is prior to the first constant positive current; when the voltage value of the battery is equal to the constant-voltage threshold value again by the aid of the first constant positive current, the constant-voltage threshold value keeps unchanged and the battery is charged until the electric quantity of the battery is full, the problem of low charging speed of the battery due to the fact that a charger directly charges the battery with constant voltage when the voltage value of the battery is equal to the constant-voltage threshold value is solved, and the charging speed of the battery is increased.
Description
Technical field
It relates to field of computer technology, particularly to a kind of charging method and device.
Background technology
At present, the charging stage of the battery in charger at least includes constant voltage charging phase.Constant voltage charging phase refers to
When the magnitude of voltage of battery reaches constant voltage threshold value, this constant voltage threshold value is kept not become the charging of this battery, until the electricity of this battery reaches
Stop to during Full Charge Capacity.Generally, the charging duration of constant voltage charging phase accounts for total the 30%～40% of duration that charges of this battery, its
In, total charging duration of battery refers to the electricity charging duration by 0 sustainable growth to Full Charge Capacity of battery.
Summary of the invention
For solving the problem in correlation technique, present disclose provides a kind of charging method and device.
First aspect according to disclosure embodiment, it is provided that a kind of charging method, the method includes:
Determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value；
When magnitude of voltage is equal to constant voltage threshold value, utilize the first constant negative current that battery is discharged, utilize first constant
Battery is charged by positive current, and the first constant negative current is before the first constant current positive current, and the magnitude of voltage of battery is utilizing
Reduce during one constant negative current electric discharge, and the magnitude of voltage of battery increases when utilizing the first constant positive current charging；
When the first constant current positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, constant voltage threshold value is kept not become
Battery charges, until the electricity of battery reaches to stop during Full Charge Capacity.
Optionally, the method also includes:
When the first constant positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, the first coefficient is utilized to reduce
The constant current value of one constant positive current, obtains the second constant positive current；
The relatively constant current value of the second constant positive current and constant current threshold value；
When the constant current value of the second constant positive current is more than or equal to constant current threshold value, the second constant positive current is permanent as first
Determine positive current, trigger execution and utilize the first constant negative current that battery is discharged, utilize the first constant positive current that battery is entered
The step of row charging；
When the constant current value of the second constant positive current is less than constant current threshold value, triggers and perform to keep constant voltage threshold value not become battery
Charging, until the electricity of battery reaches the step stopped during Full Charge Capacity.
Optionally, the method also includes:
When the first constant positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, the second coefficient is utilized to reduce
The constant current value of one constant negative current, obtains the second constant negative current；
The constant current value and zero of the second constant negative current is compared；
Constant current value in the second constant positive current is more than or equal to constant current threshold value, and the constant current value of the second constant negative current is more than
During equal to zero, using the second constant negative current as the first constant negative current, and using the second constant positive current as first constant just
Electric current, triggers execution and utilizes the first constant negative current to discharge battery, utilize the first constant positive current to fill battery
The step of electricity；
Constant current value in the second constant positive current is more than or equal to constant current threshold value, and the constant current value of the second constant negative current is less than
When zero, the constant current value of the second constant negative current is adjusted to zero, obtain the 3rd constant negative current, and the 3rd constant positive current is made
It is the first constant positive current, triggers execution and utilize the first constant negative current that battery is discharged, utilize the first constant positive current
The step that battery is charged.
Optionally, the method also includes:
When the first constant positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, the 3rd coefficient is utilized to reduce
The duration of one constant negative current, obtains the 4th constant negative current；
The relatively duration of the 4th constant negative current and duration threshold value；
Constant current value in the second constant positive current is more than or equal to constant current threshold value, and the duration of the 4th constant negative current is big
When equal to duration threshold value, using the 4th constant negative current as the first constant negative current, and using the second constant positive current as
One constant positive current, triggers execution and utilizes the first constant negative current to discharge battery, utilize the first constant positive current to electricity
The step that pond is charged；
Constant current value in the second constant positive current is more than or equal to constant current threshold value, and the duration of the 4th constant negative current is little
When duration threshold value, the duration of the 4th constant negative current is adjusted to duration threshold value, obtain the 5th constant negative current, by
Five constant negative currents are as the first constant negative current, and using the second constant positive current as the first constant positive current, trigger and perform
Utilize the first constant negative current that battery is discharged, utilize the step that battery is charged by the first constant positive current.
Optionally, the method also includes:
When the first constant positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, the second coefficient is utilized to reduce
The constant current value of one constant negative current, and utilize the 3rd coefficient to reduce the duration of the first constant negative current, obtain the 6th constant
Negative current；
The constant current value and zero of the 6th constant negative current is compared, and compare the duration of the 6th constant negative current with
Duration threshold value；
Constant current value in the second constant positive current is more than more than or equal to constant current threshold value, the constant current value of the 6th constant negative current
When the duration of the zero, the 6th constant negative current is more than or equal to duration threshold value, using constant as first for the 6th constant negative current
Negative current, and using the second constant positive current as the first constant positive current, trigger execution and utilize the first constant negative current to battery
Discharge, utilize the step that battery is charged by the first constant positive current；
Constant current value in the second constant positive current is less than more than or equal to constant current threshold value, the constant current value of the 6th constant negative current
Zero, the duration of the 6th constant negative current more than or equal to duration threshold value time, the constant current value of the 6th constant negative current is adjusted to
Zero, and keep the duration of the 6th constant negative current constant, obtain the 7th constant negative current, using the 7th constant negative current as
First constant negative current, and using the second constant positive current as the first constant positive current, trigger execution and utilize the first constant negative electricity
Battery is discharged by stream, utilizes the step that battery is charged by the first constant positive current；
Constant current value in the second constant positive current is more than more than or equal to constant current threshold value, the constant current value of the 6th constant negative current
When the duration of the zero, the 6th constant negative current is less than duration threshold value, the constant current value keeping the 6th constant negative current is constant, and
The duration of the 6th constant negative current is adjusted to duration threshold value, obtains the 8th constant negative current, by the 8th constant negative current
As the first constant negative current, and using the second constant positive current as the first constant positive current, trigger execution and utilize first constant
Battery is discharged by negative current, utilizes the step that battery is charged by the first constant positive current；
Constant current value in the second constant positive current is less than more than or equal to constant current threshold value, the constant current value of the 6th constant negative current
Zero, when the duration of the 6th constant negative current is less than duration threshold value, the constant current value of the 6th constant negative current is adjusted to zero, and
The duration of the 6th constant negative current is adjusted to duration threshold value, obtains the 9th constant negative current, by the 9th constant negative current
As the first constant negative current, and using the second constant positive current as the first constant positive current, trigger execution and utilize first constant
Battery is discharged by negative current, utilizes the step that battery is charged by the first constant positive current.
Optionally, utilize the first constant negative current that battery is discharged, including:
By GPIO (General Purpose Input Output, universal input output output) the first constant negative electricity
Stream, and utilize system timer to set the duration of the first constant negative current；
When the duration exporting the first constant negative current reaches the duration of the first constant negative current, by GPIO control
MOSFET (Metallic Oxide Semiconductor Field Effecttransistor, MOS field
Effect transistor) stop output the first constant negative current.
Optionally, the method also includes:
Determine that whether the current magnitude of voltage of battery is more than or equal to setting voltage value；
When the magnitude of voltage that battery is current is more than or equal to setting voltage value, the constant electric current that sets is utilized to charge as battery,
Trigger and perform to determine that the current magnitude of voltage of battery is whether equal to the step of constant voltage threshold value.
Second aspect according to disclosure embodiment, it is provided that a kind of charging device, device includes:
First determines module, is configured to determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value；
Positive and negative constant-current charge module, is configured to when first determines that module determines that magnitude of voltage is equal to constant voltage threshold value, profit
With the first constant negative current, battery is discharged, utilize the first constant positive current that battery is charged, the first constant negative electricity
Stream is before the first constant current positive current, and the magnitude of voltage of battery reduces when utilizing the first constant negative current electric discharge, and the electricity of battery
Pressure value increases when utilizing the first constant positive current charging；
Constant-voltage charge module, is configured as the first constant current positive current that positive and negative constant-current charge module obtains and makes battery
When magnitude of voltage is again equal to constant voltage threshold value, constant voltage threshold value is kept not become battery charging, until the electricity of battery reaches Full Charge Capacity
Time stop.
Optionally, this device also includes:
First adjusting module, is configured as the first constant positive current and makes the magnitude of voltage of battery be again equal to constant voltage threshold value
Time, utilize the first coefficient to reduce the constant current value of the first constant positive current, obtain the second constant positive current；
First comparison module, is configured to the constant current value comparing the second constant positive current that the first adjusting module obtains with permanent
Stream threshold value；
First trigger module, is configured at the constant current value that the comparative result of the first comparison module is the second constant positive current
During more than or equal to constant current threshold value, using the second constant positive current as the first constant positive current, trigger positive and negative constant-current charge module and hold
Row utilizes the first constant negative current to discharge battery, utilizes the step that battery is charged by the first constant positive current；
Second trigger module, is configured at the constant current value that the comparative result of the first comparison module is the second constant positive current
During less than constant current threshold value, trigger constant-voltage charge module and perform to keep constant voltage threshold value not become battery charging, until the electricity of battery
Reach the step stopped during Full Charge Capacity.
Optionally, this device also includes:
Second adjusting module, is configured as the first constant positive current and makes the magnitude of voltage of battery be again equal to constant voltage threshold value
Time, utilize the second coefficient to reduce the constant current value of the first constant negative current, obtain the second constant negative current；
Second comparison module, the constant current value and zero of the second constant negative current being configured to obtain the second adjusting module enters
Row compares；
3rd trigger module, is configured at the constant current value that the comparative result of the second comparison module is the second constant positive current
More than or equal to constant current threshold value, and the constant current value of the second constant negative current more than or equal to zero time, using the second constant negative current as the
One constant negative current, and using the second constant positive current as the first constant positive current, trigger positive and negative constant-current charge module and perform profit
With the first constant negative current, battery is discharged, utilize the step that battery is charged by the first constant positive current；
4th trigger module, is configured at the constant current value that the comparative result of the second comparison module is the second constant positive current
More than or equal to constant current threshold value, and when the constant current value of the second constant negative current is less than zero, the constant current value of the second constant negative current is adjusted
Whole to zero, obtain the 3rd constant negative current, and using the 3rd constant positive current as the first constant positive current, trigger positive and negative constant current and fill
Electricity module performs to utilize the first constant negative current to discharge battery, utilizes the first constant positive current to be charged battery
Step.
Optionally, this device also includes:
3rd adjusting module, is configured as the first constant positive current and makes the magnitude of voltage of battery be again equal to constant voltage threshold value
Time, utilize the 3rd coefficient to reduce the duration of the first constant negative current, obtain the 4th constant negative current；
3rd comparison module, be configured to compare the duration of the 4th constant negative current that the 3rd adjusting module obtains with
Duration threshold value；
5th trigger module, is configured at the constant current value that the comparative result of the 3rd comparison module is the second constant positive current
More than or equal to constant current threshold value, and when the duration of the 4th constant negative current is more than or equal to duration threshold value, by the 4th constant negative electricity
Stream is as the first constant negative current, and using the second constant positive current as the first constant positive current, triggers positive and negative constant-current charge mould
Block performs to utilize the first constant negative current to discharge battery, utilizes the step that battery is charged by the first constant positive current
Suddenly；
6th trigger module, is configured at the constant current value that the comparative result of the 3rd comparison module is the second constant positive current
More than or equal to constant current threshold value, and when the duration of the 4th constant negative current is less than duration threshold value, by the 4th constant negative current
Duration adjusts to duration threshold value, obtains the 5th constant negative current, using the 5th constant negative current as the first constant negative current,
And using the second constant positive current as the first constant positive current, trigger positive and negative constant-current charge module and perform to utilize the first constant negative electricity
Battery is discharged by stream, utilizes the step that battery is charged by the first constant positive current.
Optionally, this device also includes:
4th adjusting module, is configured as the first constant positive current and makes the magnitude of voltage of battery be again equal to constant voltage threshold value
Time, utilize the second coefficient to reduce the constant current value of the first constant negative current, and utilize the 3rd coefficient to reduce the first constant negative current
Duration, obtains the 6th constant negative current；
4th comparison module, the constant current value and zero of the 6th constant negative current being configured to obtain the 4th adjusting module enters
Row compares, and compares duration and the duration threshold value of the 6th constant negative current；
7th trigger module, is configured at the constant current value that the comparative result of the 4th comparison module is the second constant positive current
Big more than or equal to the duration of the zero, the 6th constant negative current more than or equal to the constant current value of constant current threshold value, the 6th constant negative current
When equal to duration threshold value, using the 6th constant negative current as the first constant negative current, and using the second constant positive current as
One constant positive current, triggers positive and negative constant-current charge module and performs to utilize the first constant negative current to discharge battery, utilize the
The step that battery is charged by one constant positive current；
8th trigger module, is configured at the constant current value that the comparative result of the 4th comparison module is the second constant positive current
It is more than less than the duration of the zero, the 6th constant negative current more than or equal to the constant current value of constant current threshold value, the 6th constant negative current
When duration threshold value, the constant current value of the 6th constant negative current is adjusted to zero, and keep the duration of the 6th constant negative current
Constant, obtain the 7th constant negative current, using the 7th constant negative current as the first constant negative current, and by the second constant positive current
As the first constant positive current, trigger positive and negative constant-current charge module and perform to utilize the first constant negative current that battery is discharged,
Utilize the step that battery is charged by the first constant positive current；
9th trigger module, is configured at the constant current value that the comparative result of the 4th comparison module is the second constant positive current
Little more than or equal to the duration of the zero, the 6th constant negative current more than or equal to the constant current value of constant current threshold value, the 6th constant negative current
When duration threshold value, the constant current value keeping the 6th constant negative current is constant, and the duration of the 6th constant negative current is adjusted
To duration threshold value, obtain the 8th constant negative current, using the 8th constant negative current as the first constant negative current and constant by second
Positive current, as the first constant positive current, triggers positive and negative constant-current charge module and performs to utilize the first constant negative current to carry out battery
Electric discharge, utilizes the step that battery is charged by the first constant positive current；
Tenth trigger module, is configured at the constant current value that the comparative result of the 4th comparison module is the second constant positive current
When being less than less than the duration of the zero, the 6th constant negative current more than or equal to the constant current value of constant current threshold value, the 6th constant negative current
During long threshold value, the constant current value of the 6th constant negative current is adjusted to zero, and the duration of the 6th constant negative current is adjusted to
Duration threshold value, obtains the 9th constant negative current, using the 9th constant negative current as the first constant negative current, and by second constant just
Electric current, as the first constant positive current, triggers positive and negative constant-current charge module and performs to utilize the first constant negative current to put battery
Electricity, utilizes the step that battery is charged by the first constant positive current.
Optionally, positive and negative constant-current charge module, including:
Regularly submodule, is configured to GPIO and exports the first constant negative current, and utilizes system timer to set the
The duration of one constant negative current；
Control submodule, be configured to output the first constant negative current duration reach timing submodule obtain first
During the duration of constant negative current, control MOSFET by GPIO and stop output the first constant negative current.
Optionally, this device also includes:
Second determines module, is configured to determine that whether the current magnitude of voltage of battery is more than or equal to setting voltage value；
Constant-current charge module, is configured as second and determines that module determines the current magnitude of voltage of battery more than or equal to setting
During magnitude of voltage, utilize the constant electric current that sets to charge as battery, trigger and perform to determine that whether the current magnitude of voltage of battery is equal to perseverance
The step of pressure threshold value.
The third aspect according to disclosure embodiment, it is provided that a kind of charging device, this device includes:
Processor；
For storing the memorizer of processor executable；
Wherein, processor is configured to:
Determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value；
When magnitude of voltage is equal to constant voltage threshold value, utilize the first constant negative current that battery is discharged, utilize first constant
Battery is charged by positive current, and the first constant negative current is before the first constant current positive current, and the magnitude of voltage of battery is utilizing
Reduce during one constant negative current electric discharge, and the magnitude of voltage of battery increases when utilizing the first constant positive current charging；
When the first constant current positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, constant voltage threshold value is kept not become
Battery charges, until the electricity of battery reaches to stop during Full Charge Capacity.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect:
By when the magnitude of voltage of battery is equal to constant voltage threshold value, first with the first constant negative current to battery discharge, then profit
Charging battery by the first constant positive current, now, the voltage of this battery first reduces and increases afterwards, the most inferior at the voltage of this battery
When constant voltage threshold value, the voltage that charger utilizing is constant is battery charging, owing to the positive current that charger utilizing is constant is battery
The speed Billy of charging is fast by the speed that constant voltage is battery charging, therefore, solves the magnitude of voltage of battery equal to perseverance
During pressure threshold value, it is the charging rate problem slowly that battery charging causes this battery that charger directly utilizes constant voltage, reaches
Arrive the effect of the charging rate improving battery.
During further, since the constant electric current of charger utilizing is battery charging, the charging battery core of this battery can occur ohm
Polarization, concentration polarization phenomenon and activation polarization phenomenon, and the charging battery core that the first constant negative current can eliminate battery produces
Ohmic polarization phenomenon, concentration polarization phenomenon and activation polarization phenomenon, therefore, when the electric current that charger utilizing is constant is battery
Charging so that when the magnitude of voltage of this battery is equal to constant voltage threshold value, by utilizing the first constant negative current that described battery is put
Electricity, eliminates concentration polarization phenomenon and the activation polarization phenomenon of the charging battery core of battery, extends the service life of battery.
Further, since successively decreasing along with the first constant positive current, the charging battery core generation ohmic polarization phenomenon of battery, concentration
Slowing of polarization phenomena and activation polarization phenomenon, now, it is first constant that constant current value is less or duration is shorter
Negative current just can eliminate ohmic polarization phenomenon, concentration polarization phenomenon and activation polarization phenomenon, and therefore, charger is by reducing
The constant current value of the first constant negative current, or, reduce the duration of the first constant negative current, or, reduce first permanent simultaneously
Determine constant current value and the duration of negative current, be possible not only to eliminate ohmic polarization phenomenon, the concentration that the charging battery core of battery occurs
Polarization phenomena and activation polarization phenomenon, also will not release too much electricity to battery, accelerate the charging rate of battery.
It should be appreciated that it is only exemplary that above general description and details hereinafter describe, can not be limited this
Open.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes a part for present disclosure specification, it is shown that meet the disclosure
Embodiment, and for explaining the principle of the disclosure together with description.
Fig. 1 is the flow chart according to a kind of charging method shown in an exemplary embodiment.
Fig. 2 is the flow chart according to the first charging method shown in an exemplary embodiment.
Fig. 3 is the change schematic diagram according to a kind of current value shown in an exemplary embodiment and magnitude of voltage.
Fig. 4 is the flow chart according to the second charging method shown in an exemplary embodiment.
Fig. 5 is the change schematic diagram according to a kind of current value shown in an exemplary embodiment and magnitude of voltage.
Fig. 6 is the flow chart according to the third charging method shown in an exemplary embodiment.
Fig. 7 is the change schematic diagram according to a kind of current value shown in an exemplary embodiment and magnitude of voltage.
Fig. 8 is the flow chart according to the 4th shown in an exemplary embodiment kind charging method.
Fig. 9 is the change schematic diagram according to a kind of current value shown in an exemplary embodiment and magnitude of voltage.
Figure 10 is the block diagram according to a kind of charging device shown in an exemplary embodiment.
Figure 11 is the block diagram according to a kind of charging device shown in an exemplary embodiment.
Figure 12 is the block diagram according to a kind of device for charging shown in an exemplary embodiment.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they are only with the most appended
The example of the apparatus and method that some aspects that described in detail in claims, the disclosure are consistent.
Fig. 1 is the flow chart according to a kind of charging method shown in an exemplary embodiment, and this charging method is applied to fill
In electrical equipment, as it is shown in figure 1, this charging method comprises the following steps.
In a step 101, determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value.
In a step 102, when magnitude of voltage is equal to constant voltage threshold value, utilize the first constant negative current that battery is discharged,
Utilizing the first constant positive current to be charged battery, wherein, the first constant negative current is before the first constant positive current.
The magnitude of voltage of battery reduces when utilizing the first constant negative current electric discharge, the magnitude of voltage of battery utilize first constant
Increase during positive current charging.
In step 103, when the first constant positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, keep perseverance
Pressure threshold value does not become battery charging, until the electricity of battery reaches to stop during Full Charge Capacity.
In sum, the disclosure provide charging method, by battery magnitude of voltage equal to constant voltage threshold value time, first with
Battery is charged by the first constant negative current by battery discharge, recycling the first constant positive current, and now, the voltage of this battery first subtracts
Increasing after little, when the voltage at this battery is again equal to constant voltage threshold value, the voltage that charger utilizing is constant is battery charging, due to
The positive current that charger utilizing is constant is that the speed Billy of battery charging is fast by the speed that constant voltage is battery charging, because of
This, solve the magnitude of voltage of battery when equal to constant voltage threshold value, and it is that battery charging causes that charger directly utilizes constant voltage
The charging rate of this battery problem slowly, has reached the effect of the charging rate improving battery.
In the first implementation, electrical resistance method is filled by charger by adjusting the constant current value of the first constant positive current
The ohmic polarization phenomenon of electricity battery core, refer to the flow chart of the first charging method shown in Fig. 2, and this charging method is applied to fill
In electrical equipment, as in figure 2 it is shown, this charging method comprises the steps.
In step 201, determine that whether the current magnitude of voltage of battery is more than or equal to setting voltage value.
When charger starts to charge for battery, first can determine whether the magnitude of voltage that this battery is current.If the magnitude of voltage of battery is low
In the predetermined threshold value that numerical value is less, such as: 2.1V (lies prostrate), now, the electricity of battery is the most relatively low, and charger can utilize constant
Pre-charge current is battery charging so that the magnitude of voltage of battery is gradually increasing.Wherein, pre-charge current is the least, such as:
100mA (milliampere), the present embodiment size not to predetermined threshold value with charging current is construed as limiting.
After charger utilizing pre-charge current is battery charging, charger also needs to determine that the magnitude of voltage of this battery is the biggest
In equal to setting voltage value.When the magnitude of voltage of battery is more than or equal to setting voltage value, charger performs step 202；At battery
Magnitude of voltage less than setting voltage value time, charger uses pre-charge current to continue as battery charging, until charger detects
The magnitude of voltage of this battery is more than or equal to performing step 202 during setting voltage value.
Wherein, charger determines whether the current magnitude of voltage of battery can wrap more than or equal to the implementation of setting voltage value
Including but be not limited to: in the first implementation, charger obtains, every preset duration, the magnitude of voltage that battery is current, and by this electricity
Pressure value compares with setting voltage value；In the second implementation, charger is provided for monitoring the voltage that battery is current
The monitoring process of value, when the magnitude of voltage of battery is more than or equal to setting voltage value, this monitoring process is automatically by the magnitude of voltage of battery
Notify to charger more than or equal to the event of setting voltage value.
In step 202., when the magnitude of voltage that battery is current is more than or equal to setting voltage value, constant setting electric current is utilized
Charge for battery.
Charger utilize constant set electric current charge as battery time, the magnitude of voltage of this battery continues to rise.
In step 203, determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value.
Wherein, constant voltage threshold value is the maximum charging voltage value of battery.Charger constant sets electric current as battery utilizing
During charging, determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value.When the magnitude of voltage that battery is current is equal to constant voltage threshold value,
Charger performs step 204；When the current magnitude of voltage of battery is less than constant voltage threshold value, what charger utilizing was constant set electric current as
Battery charges, until the magnitude of voltage of this battery is equal to performing step 204 during constant voltage threshold value.
Wherein, charger determine the current magnitude of voltage of battery whether can include equal to the implementation of constant voltage threshold value but not
Being limited to: in the first implementation, charger obtains the current magnitude of voltage of battery every preset duration, and by this magnitude of voltage with
Constant voltage threshold value compares；In the second implementation, charger is provided for monitoring the monitoring of the current magnitude of voltage of battery
Process, when the magnitude of voltage of battery is equal to constant voltage threshold value, the magnitude of voltage of battery is equal to constant voltage threshold value by this monitoring process automatically
Event notifies to charger voltage value.
In step 204, when magnitude of voltage is equal to constant voltage threshold value, utilize the first constant negative current that battery is discharged,
Utilizing the first constant positive current to be charged battery, the first constant negative current is before the first constant positive current.
Wherein, the magnitude of voltage of battery reduces when utilizing the first constant negative current electric discharge, is utilizing the first constant positive current
Increase during charging.
Wherein, the first constant negative current can be by charger microprocessor generate, defeated by the GPIO in charger
Go out, and the duration of this first constant negative current is set by the system timer in this charger, permanent in output first
Determine the duration of negative current when reaching this duration, charger by GPIO control the switch of MOSFET stop exporting this first
Constant negative current.
When the magnitude of voltage of charger is equal to constant voltage threshold value, this charger utilizing numerical value is that the magnitude of voltage of constant voltage threshold value is for electric
Charge in pond, then the charging current of this battery can be gradually reduced.Owing to the magnitude of voltage that charger utilizing is constant is filling of battery charging
The electric current that electricity speed is more constant than charger utilizing is that the charging rate of battery charging is slow, and therefore, charger utilizing numerical value is constant voltage
The magnitude of voltage of threshold value is the time longer charging rate that can affect this battery of battery charging.
In the present embodiment, when the magnitude of voltage of battery is equal to constant voltage threshold value, charger utilizes numerical value for constant voltage the most immediately
The magnitude of voltage of threshold value is battery charging, but is battery discharge first with the first constant negative current, recycles the first constant positive electricity
Flowing and charge for battery, this first constant positive current makes the magnitude of voltage of battery be gradually increased, so, and charger utilizing stage
First constant positive current is that this battery is charged, and accelerates the charging rate of battery.
In step 205, when the first constant positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, utilize
One coefficient reduces the constant current value of the first constant positive current, obtains the second constant positive current.
Owing to the electricity of battery is the biggest, the constant charging current that charger utilizing is bigger is this electricity that battery charging causes
The speed of the charging battery core generation ohmic polarization phenomenon in pond is the fastest, and therefore, along with the electricity of battery is gradually increased, charger needs
The charging battery core generation ohmic polarization phenomenon of this battery is prevented by reducing the constant current value of the first constant positive current.
Wherein, the first coefficient can be any number more than 0 and less than 1, and such as: 0.4, now, charger is utilizing
When first coefficient reduces the constant current value of the first constant positive current, the constant current value of the first constant positive current is multiplied by this first coefficient,
Obtain the second constant positive current.
First coefficient can also be the positive number of the constant current value being arbitrarily less than this first constant positive current, such as: 100mA, and this
Time, charger is when the constant current value utilizing the first coefficient to reduce the first constant positive current, by the constant current value of the first constant positive current
Deducting this first coefficient, obtain the second constant positive current, constant current value refers to the first constant positive current or the first constant negative current
The absolute value of constant electric current.
In step 206, constant current value and the constant current threshold value of the second constant positive current are compared.
Constant current threshold value is the current value that the numerical value of user setup is less, such as: 100mA, when the perseverance of the second constant positive current
When flow valuve is more than or equal to constant current threshold value, charger performs step 207；When the constant current value of the second constant positive current is less than constant current threshold value
Time, illustrating that the electricity of battery has leveled off to Full Charge Capacity, charger performs step 208.
In step 207, when the constant current value of the second constant positive current is more than or equal to constant current threshold value, by the second constant positive electricity
Stream, as the first constant positive current, performs step 204 again.
Now, the constant current value of the first constant current reaches the first constant current during constant voltage threshold value than last magnitude of voltage
Constant current value is little.
In a step 208, when the constant current value of the second constant positive current is less than constant current threshold value, constant voltage threshold value is kept not become
Battery charges, until the electricity of battery reaches to stop during Full Charge Capacity.
Refer to Fig. 3, it illustrates at charger during starting to charge to for battery terminate to charge for battery, electricity
The charging current in pond and the change schematic diagram of charging voltage value, when charger starts to charge for battery, the magnitude of voltage of this battery is
1.9V, less than predetermined threshold value 2.1V, the pre-charge current of charger utilizing 100mA is the charging of this battery, now, the electricity of this battery
Pressure value is gradually increasing.When the magnitude of voltage of battery rises to setting voltage value 2.8V, the setting electric current of charger utilizing 1000mA
Charging for this battery, now, the magnitude of voltage of this battery continues to rise.When the magnitude of voltage of battery rises to constant voltage threshold value 4.4V,
Utilizing the first constant negative current that constant current value is 200mA is this battery discharge, then utilizes constant current value is 900mA first constant
Positive current is the charging of this battery, and now, the magnitude of voltage of this battery first reduces and increases afterwards.When the first constant positive current makes this battery
Magnitude of voltage when again rising to 4.4V, the constant current value of the first constant positive current is multiplied by the first coefficient 0.9, obtaining constant current value is
Second constant current of 810mA, 810mA is more than constant current threshold value 100mA, using this second constant current as the first constant current,
Continue as the charging of this battery, circulate above-mentioned steps, until the constant current value of the second constant current stops less than during constant current threshold value, this
Time, charger utilizing numerical value be the voltage of constant voltage threshold value 4.4V be battery charging, the charging current of this battery is gradually reduced.When filling
When electricity electric current is reduced to current threshold 100mA, charger stops charging for this battery.
In sum, the disclosure provide charging method, by battery magnitude of voltage equal to constant voltage threshold value time, first with
Battery is charged by the first constant negative current by battery discharge, recycling the first constant positive current, and now, the voltage of this battery first subtracts
Increasing after little, when the voltage at this battery is again equal to constant voltage threshold value, the voltage that charger utilizing is constant is battery charging, due to
The positive current that charger utilizing is constant is that the speed Billy of battery charging is fast by the speed that constant voltage is battery charging, because of
This, solve the magnitude of voltage of battery when equal to constant voltage threshold value, and it is that battery charging causes that charger directly utilizes constant voltage
The charging rate of this battery problem slowly, has reached the effect of the charging rate improving battery.
During further, since the constant electric current of charger utilizing is battery charging, the charging battery core of this battery can occur ohm
Polarization, concentration polarization phenomenon and activation polarization phenomenon, and the charging battery core that the first constant negative current can eliminate battery produces
Ohmic polarization phenomenon, concentration polarization phenomenon and activation polarization phenomenon, therefore, when the electric current that charger utilizing is constant is battery
Charging so that when the magnitude of voltage of this battery is equal to constant voltage threshold value, by utilizing the first constant negative current that described battery is put
Electricity, eliminates concentration polarization phenomenon and the activation polarization phenomenon of the charging battery core of battery, extends the service life of battery.
In the second implementation, charger can accelerate battery by adjusting the constant current value of the first constant negative current
Charging rate.Refer to the flow chart of the second charging method shown in Fig. 4, after step 204, the method also include as
Lower step.
In step 209, when the first constant positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, utilize
Two coefficients reduce the constant current value of the first constant negative current, obtain the second constant negative current.
Due to successively decreasing along with the first constant positive current, the charging battery core generation ohmic polarization phenomenon of battery, concentration polarization
Slowing of phenomenon and activation polarization phenomenon, now, the first constant negative current that constant current value is less just can eliminate ohm
Polarization phenomena, concentration polarization phenomenon and activation polarization phenomenon, therefore, charger is by reducing the constant current of the first constant negative current
Value, is possible not only to eliminate ohmic polarization phenomenon, concentration polarization phenomenon and the activation polarization phenomenon that the charging battery core of battery occurs,
Also battery will not be released too much electricity, accelerate the charging rate of battery.
Wherein, the second coefficient can be any number more than 0 and less than 1, and such as: 0.4, now, charger is utilizing
When second coefficient reduces the constant current value of the first constant negative current, the constant current value of the first constant negative current is multiplied by this second coefficient,
Obtain the second constant negative current.
Second coefficient can also be the positive number of the constant current value being arbitrarily less than this first constant negative current, such as: 50mA, and this
Time, charger is when the constant current value utilizing the second coefficient to reduce the first constant negative current, by the constant current value of the first constant negative current
Deduct this second coefficient, obtain the second constant negative current.
In step 210, the constant current value and zero of the second constant negative current is compared.
Step 209 and step 210 can perform before step 205 and step 206, it is also possible in step 205 and step
Perform after 206, it is also possible to performing with step 205 and step 206, the present embodiment is not construed as limiting simultaneously.
The constant current value that comparative result is the second constant positive current obtained in step 206 is more than or equal to constant current threshold value, and step
Rapid 210 comparative results obtained be the second constant negative current constant current value more than or equal to zero time, perform step 211；In step 206
The comparative result obtained is that the constant current value of the second constant positive current is more than or equal to constant current threshold value, and the comparison knot that step 210 obtains
Fruit be the second constant negative current constant current value less than zero time, perform step 212.
It addition, when the constant current value that the comparative result that step 206 obtains is the second constant positive current is less than constant current threshold value,
In a kind of implementation, no matter whether the constant current value of the second constant negative current is equal to zero, and charger all keeps constant voltage threshold value constant
Charge for battery, until the electricity of battery reaches to stop during Full Charge Capacity；In another kind of implementation, obtain in step 210
Comparative result be the constant current value of the second constant negative current more than or equal to zero time, this second constant negative current is constant negative as first
Electric current, this first constant negative current of charger utilizing is battery discharge, utilizes the first constant positive electricity that constant current value is constant current threshold value
Flowing and charge for battery, when the constant current value that the comparative result that step 210 obtains is the second constant negative current is less than zero, charger is protected
Hold constant voltage threshold value and do not become battery charging, until the electricity of battery reaches to stop during Full Charge Capacity, i.e. perform step 208.
As the alternative steps of step 207, in step 211, it is more than or equal to when the constant current value of the second constant positive current
Constant current threshold value, and when the constant current value of the second constant negative current is more than or equal to zero, the second constant negative current is constant negative as first
Electric current, and using the second constant positive current as the first constant positive current, again perform step 204.
Now, the constant current value of the first constant negative current reaches the first constant negative electricity during constant voltage threshold value than last magnitude of voltage
The constant current value of stream is little.
As the alternative steps of step 207, in the step 212, the constant current value in the second constant positive current is more than or equal to
Constant current threshold value, and when the constant current value of the second constant negative current is less than zero, the constant current value of the second constant negative current is adjusted to zero,
To the 3rd constant negative current, and using the 3rd constant positive current as the first constant positive current, again perform step 204.
Refer to Fig. 5, it illustrates charger during starting to charge to for battery to terminate as battery charging, battery
Charging current and the change schematic diagram of charging voltage value, when charger starts to charge for battery, the magnitude of voltage of this battery is
1.9V, less than predetermined threshold value 2.1V, charger utilizing pre-charge current be this battery charging, now, the magnitude of voltage of this battery by
Gradually rise.When the magnitude of voltage of battery rises to setting voltage value 2.8V, charger utilizing 1000mA set electric current as this electricity
Charging in pond, now, the magnitude of voltage of this battery continues to rise.When the magnitude of voltage of battery rises to constant voltage threshold value 4.4V, utilize perseverance
Flow valuve be the first constant negative current of 200mA be this battery charging, then, utilize the first constant positive electricity that constant current value is 900mA
Flow and charge for this battery.Now, the magnitude of voltage of this battery first reduces and increases afterwards.When the first constant positive current makes the electricity of this battery
When pressure value rises to 4.4V again, the constant current value of the first constant negative current is deducted 50mA, obtain that constant current value is 150mA second
Constant negative current, 150mA is more than zero, using the second constant negative current as the first constant negative current；By the first constant positive current
Constant current value is multiplied by the second coefficient 0.9, obtains the second constant positive current that constant current value is 810mA, and 810mA is more than constant current threshold value
100mA, using the second constant positive current as the first constant positive current, continues as the charging of this battery, circulates above-mentioned steps, until the
The constant current value of two constant current positive currents stops less than during constant current threshold value, and now, charger utilizing numerical value is the electricity of constant voltage threshold value 4.4V
Pressure value is battery charging, and the charging current of this battery is gradually reduced.When charging current is reduced to current threshold 100mA, charging
Device stops charging for this battery.
In the third implementation, charger can accelerate electricity by the duration adjusting the first constant negative current
The charging rate in pond.Refer to the flow chart of the third charging method shown in Fig. 6, after step 204, the method also includes
Following steps.
In step 213, when the first constant positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, utilize
Three coefficients reduce the duration of the first constant negative current, obtain the 4th constant negative current.
Due to successively decreasing along with the first constant positive current, the charging battery core generation ohmic polarization phenomenon of battery, concentration polarization
Slowing of phenomenon and activation polarization phenomenon, now, shorter the first constant negative current of duration just can eliminate Europe
Nurse polarization phenomena, concentration polarization phenomenon and activation polarization phenomenon, therefore, charger is by reducing holding of the first constant negative current
Continuous duration, is possible not only to eliminate ohmic polarization phenomenon, concentration polarization phenomenon and the activation polarization that the charging battery core of battery occurs
Phenomenon, also will not release too much electricity to battery, accelerate the charging rate of battery.
Wherein, the 3rd coefficient can be any number more than 0 and less than 1, and such as: 0.4, now, charger is utilizing
When 3rd coefficient reduces the duration of the first constant negative current, the duration of the first constant negative current is multiplied by the 3rd is
Number, obtains the 4th constant negative current.
3rd coefficient can also be the positive number of the duration being arbitrarily less than this first constant negative current, such as: 1s, and this
Time, charger is when the duration utilizing the 3rd coefficient to reduce the first constant negative current, by continuing of the first constant negative current
Duration deducts the 3rd coefficient, obtains the 4th constant negative current.
In step 214, duration and the duration threshold value of the 4th constant negative current are compared.
Step 213 and step 214 can perform before step 205 and step 206, it is also possible in step 205 and step
Perform after 206, it is also possible to performing with step 205 and step 206, the present embodiment is not construed as limiting simultaneously.
The constant current value that comparative result is the second constant positive current obtained when step 206 is more than or equal to constant current threshold value, and step
Rapid 214 comparative results obtained be the 4th constant negative current duration more than or equal to duration threshold value time, perform step 215；
The constant current value that comparative result is the second constant positive current obtained when step 206 is more than or equal to constant current threshold value, and step 214 obtains
The duration that comparative result is the 4th constant negative current less than duration threshold value time, perform step 216.
It addition, when the constant current value that the comparative result that step 206 obtains is the second constant positive current is less than constant current threshold value,
In a kind of implementation, no matter whether the duration of the second constant negative current reaches duration threshold value, and charger all keeps constant voltage
Threshold value does not become battery charging, until the electricity of battery reaches to stop during Full Charge Capacity；In another kind of implementation, work as step
214 comparative results obtained be the duration of the 4th constant negative current more than or equal to duration threshold value time, constant negative by the 4th
Electric current is as the first constant negative current, and this first constant negative current of charger utilizing is battery discharge, utilizes constant current value for constant current
First constant positive current of threshold value is battery charging, and the comparative result obtained when step 214 is continuing of the 4th constant negative current
When duration is less than duration threshold value, charger keeps constant voltage threshold value not become battery charging, until the electricity of battery reaches Full Charge Capacity
Time stop, i.e. perform step 208.
As the alternative steps of step 207, in step 215, the constant current value in the second constant positive current is more than or equal to
Constant current threshold value, and the duration of the 4th constant negative current more than or equal to duration threshold value time, using the 4th constant negative current as the
One constant negative current, and using the second constant positive current as the first constant positive current, again perform step 204.
As the alternative steps of step 207, in the step 216, the constant current value in the second constant positive current is more than or equal to
Constant current threshold value, and when the duration of the 4th constant negative current is less than duration threshold value, by the duration of the 4th constant negative current
Adjust to duration threshold value, obtain the 5th constant negative current, using the 5th constant negative current as the first constant negative current, and by second
Constant positive current, as the first constant positive current, performs step 204 again.
Refer to Fig. 7, it illustrates charger during starting to charge to for battery to terminate as battery charging, battery
Charging current and the change schematic diagram of charging voltage value, when charger starts to charge for battery, the magnitude of voltage of this battery is
1.9V, less than predetermined threshold value 2.1V, charger utilizing pre-charge current be this battery charging, now, the magnitude of voltage of this battery by
Gradually rise.When the magnitude of voltage of battery rises to setting voltage value 2.8V, charger utilizing 1000mA set electric current as this electricity
Charging in pond, now, the magnitude of voltage of this battery continues to rise.When the magnitude of voltage of battery rises to constant voltage threshold value 4.4V, utilization is held
Time continuous, the first constant negative current of a length of 5s is the charging of this battery, then, utilizes the first constant positive current that constant current value is 900mA
Charge for this battery.Now, the magnitude of voltage of this battery first reduces and increases afterwards.When the first constant positive current makes the voltage of this battery
When value rises to 4.4V again, the duration of the first constant negative current is deducted 1s, obtain the 4th perseverance that duration is 4s
Determining negative current, 4s is more than duration threshold value 0.5s, using the 4th constant negative current as the first constant negative current；By the first constant positive electricity
The constant current value of stream is multiplied by the second coefficient 0.9, obtains the second constant positive current that constant current value is 810mA, and 810mA is more than constant current threshold value
100mA, using the second constant positive current as the first constant positive current, continues as the charging of this battery, circulates above-mentioned steps, until the
The constant current value of two constant current positive currents stops less than during constant current threshold value, and now, charger utilizing numerical value is the electricity of constant voltage threshold value 4.4V
Pressure value is battery charging, and the charging current of this battery is gradually reduced.When charging current is reduced to current threshold 100mA, charging
Device stops charging for this battery.
In the 4th kind of implementation, charger can be by adjusting duration and the perseverance of the first constant negative current simultaneously
Flow valuve accelerates the charging rate of battery.Refer to the flow chart of the 4th shown in Fig. 8 kind charging method, after step 204,
The method also comprises the steps.
In step 217, when the first constant positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, utilize
Two coefficients reduce the constant current value of the first constant negative current, and utilize the 3rd coefficient to reduce the duration of the first constant negative current,
Obtain the 6th constant negative current.
Wherein, the description about the second coefficient refers to the embodiment described in Fig. 4, and the description about the 3rd coefficient refers to Fig. 6
Described embodiment, therefore not to repeat here.
In step 218, the constant current value and zero of the 6th constant negative current is compared, and compare the 6th constant negative current
Duration and duration threshold value.
Wherein, step 217 and step 218 can perform before step 205 and step 206, it is also possible in step 205 and
Perform after step 206；Can also perform with step 205 and step 206, the present embodiment is not construed as limiting simultaneously.
The constant current value that comparative result is the second constant positive current obtained when step 206 is more than or equal to constant current threshold value, and step
Rapid 218 comparative results obtained be the constant current value of the 6th constant negative current more than or equal to zero, and the continuing of the 6th constant negative current
When duration is more than or equal to duration threshold value, perform step 219；The comparative result obtained when step 206 is the second constant positive current
Constant current value is more than or equal to constant current threshold value, and the constant current value that comparative result is the 6th constant negative current that step 218 obtains is less than zero,
And the 6th constant negative current duration more than or equal to duration threshold value time, perform step 220；When the comparison that step 206 obtains
Result is that the constant current value of the second constant positive current is more than or equal to constant current threshold value, and the comparative result that step 218 obtains is the 6th perseverance
The constant current value determining negative current is more than or equal to zero, and when the duration of the 6th constant negative current is less than duration threshold value, performs step
221；The constant current value that comparative result is the second constant positive current obtained when step 206 is more than or equal to constant current threshold value, and step 218
The comparative result obtained is that the constant current value of the 6th constant negative current is less than zero, and when the duration of the 6th constant negative current is less than
During long threshold value, perform step 222.
It addition, when the constant current value that the comparative result that step 206 obtains is the second constant positive current is less than constant current threshold value,
In a kind of implementation, no matter whether the constant current value of the 6th constant negative current reaches zero, and no matter the holding of the 6th constant negative current
Whether continuous duration reaches duration threshold value, and charger all keeps constant voltage threshold value not become battery charging, until the electricity of battery reaches
Stop during Full Charge Capacity, i.e. perform step 208.
In another kind of implementation, the constant current value that comparative result is the 6th constant negative current obtained when step 218 is big
In equal to zero, and the duration of the 6th constant negative current more than or equal to duration threshold value time, charger is by the 6th constant negative electricity
Stream is as the first constant negative current, and utilizing this first constant negative current is battery discharge, utilize that constant current value is constant current threshold value the
One constant positive current is battery charging；The constant current value that comparative result is the 6th constant negative current obtained when step 218 is less than zero,
And the 6th constant negative current duration more than or equal to duration threshold value time, charger is by the constant current value of the 6th constant negative current
Adjust to zero, and the 6th constant negative current after adjusting is as the first constant negative current, utilizes this first constant negative current to be
Battery discharge, utilizes the first constant positive current that constant current value is constant current threshold value to charge for battery；When the comparison knot that step 218 obtains
Fruit is that the constant current value of the 6th constant negative current is more than or equal to zero, and the duration of the 6th constant negative current is less than duration threshold value
Time, the duration of the 6th constant negative current is adjusted to duration threshold value by charger, and the 6th constant negative electricity after adjusting
Stream is as the first constant negative current, and utilizing this first constant negative current is battery discharge, utilize that constant current value is constant current threshold value the
One constant positive current is battery charging；The constant current value that comparative result is the 6th constant negative current obtained when step 218 is less than zero,
And the 6th constant negative current duration less than duration threshold value time, charger keep constant voltage threshold value do not become battery charging, directly
Electricity to battery reaches to stop during Full Charge Capacity.
As the alternative steps of step 207, in step 219, the constant current value in the second constant positive current is more than or equal to
When constant current threshold value, the constant current value of the 6th constant negative current are more than or equal to more than or equal to the duration of the zero, the 6th constant negative current
During long threshold value, using the 6th constant negative current as the first constant negative current, and using the second constant positive current as first constant just
Electric current, performs step 204 again.
As the alternative steps of step 207, in a step 220, the constant current value in the second constant positive current is more than or equal to
Constant current threshold value, the constant current value of the 6th constant negative current are more than or equal to duration threshold less than the duration of the zero, the 6th constant negative current
During value, the constant current value of the 6th constant negative current is adjusted to zero, and keep the duration of the 6th constant negative current constant, obtain
7th constant negative current, using the 7th constant negative current as the first constant negative current, and using the second constant positive current as first
Constant positive current, performs step 204 again.
As the alternative steps of step 207, in step 221, the constant current value in the second constant positive current is more than or equal to
Constant current threshold value, the constant current value of the 6th constant negative current are less than duration threshold more than or equal to the duration of the zero, the 6th constant negative current
During value, the constant current value keeping the 6th constant negative current is constant, and adjusts the duration of the 6th constant negative current to duration threshold
Value, obtains the 8th constant negative current, using the 8th constant negative current as the first constant negative current, and the second constant positive current is made
It is the first constant positive current, again performs step 204.
As the alternative steps of step 207, in step 222, the constant current value in the second constant positive current is more than or equal to
When constant current threshold value, the constant current value of the 6th constant negative current are less than duration threshold value less than the duration of the zero, the 6th constant negative current,
The constant current value of the 6th constant negative current is adjusted to zero, and the duration of the 6th constant negative current is adjusted to duration threshold value,
Obtain the 9th constant negative current, using the 9th constant negative current as the first constant negative current, and using the second constant positive current as
First constant positive current, performs step 204 again.
Refer to Fig. 9, it illustrates charger during starting to charge to for battery to terminate as battery charging, battery
Charging current and the change schematic diagram of charging voltage value, when charger starts to charge for battery, the magnitude of voltage of this battery is
1.9V, less than predetermined threshold value 2.1V, charger utilizing pre-charge current be this battery charging, now, the magnitude of voltage of this battery by
Gradually rise.When the magnitude of voltage of battery rises to setting voltage value 2.8V, charger utilizing 1000mA set electric current as this electricity
Charging in pond, now, the magnitude of voltage of this battery continues to rise.When the magnitude of voltage of battery rises to constant voltage threshold value 4.4V, utilize perseverance
The first constant negative current that flow valuve is 200mA, duration is 5s is the charging of this battery, then, utilizes constant current value for 900mA's
First constant positive current is the charging of this battery.Now, the magnitude of voltage of this battery first reduces and increases afterwards.When the first constant positive current makes
Obtain the magnitude of voltage of this battery when again rising to 4.4V, the duration of the first constant negative current is deducted 1s, constant by first
The constant current value of negative current deducts 50mA, obtain constant current value be 150mA, duration be the 6th constant negative current of 4s, 150mA is big
In zero, and 4s is more than duration threshold value 0.5s, using the 6th constant negative current as the first constant negative current；By the first constant positive current
Constant current value be multiplied by the second coefficient 0.9, obtain the second constant positive current that constant current value is 810mA, 810mA be more than constant current threshold value
100mA, using the second constant positive current as the first constant positive current, continues as the charging of this battery, circulates above-mentioned steps, until the
The constant current value of two constant current positive currents stops less than during constant current threshold value, and now, charger utilizing numerical value is the electricity of constant voltage threshold value 4.4V
Pressure value is battery charging, and the charging current of this battery is gradually reduced.When charging current is reduced to current threshold 100mA, charging
Device stops charging for this battery.
Figure 10 is the block diagram according to a kind of charging device shown in an exemplary embodiment, and this charging device is applied to charging
In device, as shown in Figure 10, this charging device includes: first determines module 1010, positive and negative constant-current charge module 1020, constant-voltage charge
Module 1030.
This first determines module 1010, is configured to determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value；
This positive and negative constant-current charge module 1020, is configured to determine that module 1010 determines that magnitude of voltage is equal to constant voltage first
During threshold value, utilize the first constant negative current that battery is discharged, utilize the first constant positive current that battery is charged, first
Constant negative current is before the first constant current positive current, and the magnitude of voltage of battery reduces when utilizing the first constant negative current electric discharge, and
The magnitude of voltage of battery increases when utilizing the first constant positive current charging；
This constant-voltage charge module 1030, is configured as the first constant current positive current that positive and negative constant-current charge module 1020 obtains
When the magnitude of voltage making battery is again equal to constant voltage threshold value, constant voltage threshold value is kept not become battery charging, until the electricity of battery
Reach to stop during Full Charge Capacity.
In sum, the disclosure provide charging device, by battery magnitude of voltage equal to constant voltage threshold value time, first with
Battery is charged by the first constant negative current by battery discharge, recycling the first constant positive current, and now, the voltage of this battery first subtracts
Increasing after little, when the voltage at this battery is again equal to constant voltage threshold value, the voltage that charger utilizing is constant is battery charging, due to
The positive current that charger utilizing is constant is that the speed Billy of battery charging is fast by the speed that constant voltage is battery charging, because of
This, solve the magnitude of voltage of battery when equal to constant voltage threshold value, and it is that battery charging causes that charger directly utilizes constant voltage
The charging rate of this battery problem slowly, has reached the effect of the charging rate improving battery.
Figure 11 is the block diagram according to a kind of charging device shown in an exemplary embodiment, and this charging device is applied to charging
In device, as shown in figure 11, this charging device includes: first determines module 1110, positive and negative constant-current charge module 1120, constant-voltage charge
Module 1130.
This first determines module 1110, is configured to determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value；
This positive and negative constant-current charge module 1120, is configured to determine that module 1110 determines that magnitude of voltage is equal to constant voltage first
During threshold value, utilize the first constant negative current that battery is discharged, utilize the first constant positive current that battery is charged, first
Constant negative current is before the first constant current positive current, and the magnitude of voltage of battery reduces when utilizing the first constant negative current electric discharge, and
The magnitude of voltage of battery increases when utilizing the first constant positive current charging；
This constant-voltage charge module 1130, is configured as the first constant current positive current that positive and negative constant-current charge module 1120 obtains
When the magnitude of voltage making battery is again equal to constant voltage threshold value, constant voltage threshold value is kept not become battery charging, until the electricity of battery
Reach to stop during Full Charge Capacity.
Optionally, this device also includes: first adjusting module the 1140, first comparison module the 1150, first trigger module
1160, the second trigger module 1170.
This first adjusting module 1140, is configured as the first constant positive current and makes the magnitude of voltage of battery be again equal to perseverance
During pressure threshold value, utilize the first coefficient to reduce the constant current value of the first constant positive current, obtain the second constant positive current；
This first comparison module 1150, is configured to compare the second constant positive current that the first adjusting module 1140 obtains
Constant current value and constant current threshold value；
This first trigger module 1160, being configured at the comparative result of the first comparison module 1150 is the second constant positive electricity
When the constant current value of stream is more than or equal to constant current threshold value, using the second constant positive current as the first constant positive current, trigger positive and negative constant current
Charging module 1120 performs to utilize the first constant negative current to discharge battery, utilizes the first constant positive current to carry out battery
The step of charging；
This second trigger module 1170, being configured at the comparative result of the first comparison module 1150 is the second constant positive electricity
When the constant current value of stream is less than constant current threshold value, triggers constant-voltage charge module 1130 and perform to keep constant voltage threshold value not become battery charging,
Until the electricity of battery reaches the step stopped during Full Charge Capacity.
Optionally, this device also includes: second adjusting module the 1180, second comparison module the 1190, the 3rd trigger module
1191, the 4th trigger module 1192.
This second adjusting module 1180, is configured as the first constant positive current and makes the magnitude of voltage of battery be again equal to perseverance
During pressure threshold value, utilize the second coefficient to reduce the constant current value of the first constant negative current, obtain the second constant negative current；
This second comparison module 1190, is configured to the perseverance of the second constant negative current obtained by the second adjusting module 1180
Flow valuve compares with zero；
3rd trigger module 1191, being configured at the comparative result of the second comparison module 1190 is the second constant positive electricity
The constant current value of stream is more than or equal to constant current threshold value, and when the constant current value of the second constant negative current is more than or equal to zero, constant negative by second
Electric current is as the first constant negative current, and using the second constant positive current as the first constant positive current, triggers positive and negative constant-current charge
Module 1120 performs to utilize the first constant negative current to discharge battery, utilizes the first constant positive current to be charged battery
Step；
4th trigger module 1192, being configured at the comparative result of the second comparison module 1190 is the second constant positive electricity
The constant current value of stream is more than or equal to constant current threshold value, and when the constant current value of the second constant negative current is less than zero, by the second constant negative current
Constant current value adjust to zero, obtain the 3rd constant negative current, and using the 3rd constant positive current as the first constant positive current, trigger
Positive and negative constant-current charge module 1120 performs to utilize the first constant negative current to discharge battery, utilizes the first constant positive current pair
The step that battery is charged.
Optionally, this device also includes: the 3rd adjusting module the 1193, the 3rd comparison module the 1194, the 5th trigger module
1195, the 6th trigger module 1196.
3rd adjusting module 1193, is configured as the first constant positive current and makes the magnitude of voltage of battery be again equal to perseverance
During pressure threshold value, utilize the 3rd coefficient to reduce the duration of the first constant negative current, obtain the 4th constant negative current；
3rd comparison module 1194, is configured to compare the 4th constant negative current that the 3rd adjusting module 1193 obtains
Duration and duration threshold value；
5th trigger module 1195, being configured at the comparative result of the 3rd comparison module 1194 is the second constant positive electricity
The constant current value of stream more than or equal to constant current threshold value, and the duration of the 4th constant negative current more than or equal to duration threshold value time, by the
Four constant negative currents are as the first constant negative current, and using the second constant positive current as the first constant positive current, trigger positive and negative
Constant-current charge module 1120 performs to utilize the first constant negative current to discharge battery, utilizes the first constant positive current to battery
The step being charged；
6th trigger module 1196, being configured at the comparative result of the 3rd comparison module 1194 is the second constant positive electricity
The constant current value of stream is more than or equal to constant current threshold value, and when the duration of the 4th constant negative current is less than duration threshold value, permanent by the 4th
The duration determining negative current adjusts to duration threshold value, obtains the 5th constant negative current, using the 5th constant negative current as first
Constant negative current, and using the second constant positive current as the first constant positive current, trigger positive and negative constant-current charge module 1120 and perform
Utilize the first constant negative current that battery is discharged, utilize the step that battery is charged by the first constant positive current.
Optionally, this device also includes: the 4th adjusting module the 1197, the 4th comparison module the 1198, the 7th trigger module
1199, the 8th trigger module the 11991, the 9th trigger module the 11992, the tenth trigger module 11993.
4th adjusting module 1197, is configured as the first constant positive current and makes the magnitude of voltage of battery be again equal to perseverance
During pressure threshold value, utilize the second coefficient to reduce the constant current value of the first constant negative current, and it is constant negative to utilize the 3rd coefficient to reduce first
The duration of electric current, obtains the 6th constant negative current；
4th comparison module 1198, is configured to the perseverance of the 6th constant negative current obtained by the 4th adjusting module 1197
Flow valuve compares with zero, and compares duration and the duration threshold value of the 6th constant negative current；
7th trigger module 1199, being configured at the comparative result of the 4th comparison module 1198 is the second constant positive electricity
The constant current value of stream is more than or equal to the zero, the 6th constant negative current more than or equal to the constant current value of constant current threshold value, the 6th constant negative current
Duration more than or equal to duration threshold value time, using the 6th constant negative current as the first constant negative current, and by second constant just
Electric current, as the first constant positive current, triggers positive and negative constant-current charge module 1120 and performs to utilize the first constant negative current to enter battery
Row electric discharge, utilizes the step that battery is charged by the first constant positive current；
8th trigger module 11991, be configured to the comparative result of the 4th comparison module 1198 be second constant just
The constant current value of electric current is more than or equal to constant current threshold value, constant current value the holding less than the zero, the 6th constant negative current of the 6th constant negative current
When continuous duration is more than or equal to duration threshold value, the constant current value of the 6th constant negative current is adjusted to zero, and keeps the 6th constant negative electricity
The duration of stream is constant, obtains the 7th constant negative current, using the 7th constant negative current as the first constant negative current, and by the
Two constant positive currents, as the first constant positive current, trigger positive and negative constant-current charge module 1120 and perform to utilize the first constant negative current
Battery is discharged, utilizes the step that battery is charged by the first constant positive current；
9th trigger module 11992, be configured to the comparative result of the 4th comparison module 1198 be second constant just
The constant current value of electric current is more than or equal to the zero, the 6th constant negative current more than or equal to the constant current value of constant current threshold value, the 6th constant negative current
Duration less than duration threshold value time, the constant current value keeping the 6th constant negative current is constant, and by the 6th constant negative current
Duration adjusts to duration threshold value, obtains the 8th constant negative current, using the 8th constant negative current as the first constant negative current,
And using the second constant positive current as the first constant positive current, trigger positive and negative constant-current charge module 1120 and perform to utilize first constant
Battery is discharged by negative current, utilizes the step that battery is charged by the first constant positive current；
Tenth trigger module 11993, be configured to the comparative result of the 4th comparison module 1198 be second constant just
The constant current value of electric current is more than or equal to constant current threshold value, constant current value the holding less than the zero, the 6th constant negative current of the 6th constant negative current
When continuous duration is less than duration threshold value, the constant current value of the 6th constant negative current is adjusted to zero, and holding the 6th constant negative current
Continuous duration adjusts to duration threshold value, obtains the 9th constant negative current, using the 9th constant negative current as the first constant negative current, and
Using the second constant positive current as the first constant positive current, trigger positive and negative constant-current charge module 1120 and perform to utilize first constant negative
Current versus cell discharges, and utilizes the step that battery is charged by the first constant positive current.
Optionally, this positive and negative constant-current charge module 1120, including: regularly submodule 1121, control submodule 1122.
This timing submodule 1121, is configured to GPIO and exports the first constant negative current, and utilize system timer
Set the duration of the first constant negative current；
This control submodule 1122, is configured to reach timing submodule 1121 at the duration of output the first constant negative current
During the duration of the first constant negative current obtained, control MOSFET by GPIO and stop output the first constant negative current.
Optionally, this device also includes: second determines module 11994, constant-current charge module 11995.
This second determines module 11994, is configured to determine that whether the current magnitude of voltage of battery is more than or equal to setting voltage
Value；
This constant-current charge module 11995, is configured as second and determines that module 11994 determines the magnitude of voltage that battery is current
During more than or equal to setting voltage value, utilize the constant electric current that sets to charge as battery, trigger and perform to determine the voltage that battery is current
Whether value is equal to the step of constant voltage threshold value.
In sum, the disclosure provide charging device, by battery magnitude of voltage equal to constant voltage threshold value time, first with
Battery is charged by the first constant negative current by battery discharge, recycling the first constant positive current, and now, the voltage of this battery first subtracts
Increasing after little, when the voltage at this battery is again equal to constant voltage threshold value, the voltage that charger utilizing is constant is battery charging, due to
The positive current that charger utilizing is constant is that the speed Billy of battery charging is fast by the speed that constant voltage is battery charging, because of
This, solve the magnitude of voltage of battery when equal to constant voltage threshold value, and it is that battery charging causes that charger directly utilizes constant voltage
The charging rate of this battery problem slowly, has reached the effect of the charging rate improving battery.
During further, since the constant electric current of charger utilizing is battery charging, the charging battery core of this battery can occur ohm
Polarization phenomena, concentration polarization phenomenon and activation polarization phenomenon, and the first constant negative current can eliminate the charging battery core of battery
Ohmic polarization, concentration polarization phenomenon and the activation polarization phenomenon produced, therefore, when the electric current that charger utilizing is constant is battery
Charging so that when the magnitude of voltage of this battery is equal to constant voltage threshold value, by utilizing the first constant negative current that described battery is put
Electricity, eliminates concentration polarization phenomenon and the activation polarization phenomenon of the charging battery core of battery, extends the service life of battery.
Further, since successively decreasing along with the first constant positive current, the charging battery core generation ohmic polarization phenomenon of battery, concentration
Slowing of polarization phenomena and activation polarization phenomenon, now, it is first constant that constant current value is less or duration is shorter
Negative current just can eliminate ohmic polarization phenomenon, concentration polarization phenomenon and activation polarization phenomenon, and therefore, charger is by reducing
The constant current value of the first constant negative current, or, reduce the duration of the first constant negative current, or, reduce first permanent simultaneously
Determine constant current value and the duration of negative current, be possible not only to eliminate ohmic polarization phenomenon, the concentration that the charging battery core of battery occurs
Polarization phenomena and activation polarization phenomenon, also will not release too much electricity to battery, accelerate the charging rate of battery.
About the device in above-described embodiment, wherein modules performs the concrete mode of operation in relevant the method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
The disclosure one exemplary embodiment provides a kind of charging device, it is possible to realize the charging method that the disclosure provides,
This charging device includes: processor, for storing the memorizer of processor executable；
Wherein, processor is configured to:
Determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value；
When magnitude of voltage is equal to constant voltage threshold value, utilize the first constant negative current that battery is discharged, utilize first constant
Battery is charged by positive current, and the first constant negative current is before the first constant current positive current, and the magnitude of voltage of battery is utilizing
Reduce during one constant negative current electric discharge, and the magnitude of voltage of battery increases when utilizing the first constant positive current charging；
When the first constant current positive current makes the magnitude of voltage of battery be again equal to constant voltage threshold value, constant voltage threshold value is kept not become
Battery charges, until the electricity of battery reaches to stop during Full Charge Capacity.
Figure 12 is the block diagram according to a kind of device 1200 for charging shown in an exemplary embodiment.Such as, device
1200 can be charger or mobile charger.
With reference to Figure 12, device 1200 can include following one or more assembly: processes assembly 1202, regulated power supply
1204, constant-current control circuit 1206, limited-voltage control circuit 1208, in limited time control circuit 1210 and microcontroller 1212 form.
Process assembly 1202 and generally control the integrated operation of device 1200, such as control the switch of regulated power supply 1204, permanent
Flow control circuit 1206, the on and off etc. of limited-voltage control circuit 1208, in limited time control circuit 1210, in this process assembly extremely
Including microcontroller 1212 less, this microcontroller 1212 is for generating constant positive current and constant negative current.
Regulated power supply 1204 is for providing stable operational voltage value and sufficient charging current.
Constant-current control circuit 1206 is used for providing constant charging current.
Limited-voltage control circuit 1208 is within being limited in constant voltage threshold value by the charging voltage value of battery.
Control circuit 1210 is for controlling the charging duration of the constant-current charge of battery in limited time.
Those skilled in the art, after considering description and putting into practice disclosure herein, will readily occur to other reality of the disclosure
Execute scheme.The application is intended to any modification, purposes or the adaptations of the disclosure, these modification, purposes or suitable
The change of answering property is followed the general principle of the disclosure and includes the undocumented common knowledge or used in the art of the disclosure
Use technological means.Description and embodiments is considered only as exemplary, and the true scope of the disclosure and spirit are by following right
Requirement is pointed out.
It should be appreciated that the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.
Claims (15)
1. a charging method, it is characterised in that described method includes:
Determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value；
When described magnitude of voltage is equal to described constant voltage threshold value, utilize the first constant negative current that described battery is discharged, utilize
Described battery is charged by the first constant positive current, described first constant negative current before described first constant current positive current,
The magnitude of voltage of described battery reduces when utilizing described first constant negative current electric discharge, and the magnitude of voltage of described battery is utilizing
Increase when stating the first constant positive current charging；
When described first constant current positive current makes the magnitude of voltage of described battery be again equal to described constant voltage threshold value, keep described perseverance
Pressure threshold value does not become the charging of described battery, until the electricity of described battery reaches to stop during Full Charge Capacity.
Method the most according to claim 1, it is characterised in that described method also includes:
When described first constant positive current makes the magnitude of voltage of described battery be again equal to described constant voltage threshold value, utilize and first be
Number reduces the constant current value of described first constant positive current, obtains the second constant positive current；
The relatively constant current value of described second constant positive current and constant current threshold value；
When the constant current value of described second constant positive current is more than or equal to described constant current threshold value, described second constant positive current is made
For described first constant positive current, trigger and perform described to utilize the first constant negative current that described battery is discharged, utilize the
The step that described battery is charged by one constant positive current；
When the constant current value of described second constant positive current is less than described constant current threshold value, triggers and perform described holding described constant voltage threshold
Value does not become the charging of described battery, until the electricity of described battery reaches the step stopped during Full Charge Capacity.
Method the most according to claim 2, it is characterised in that described method also includes:
When described first constant positive current makes the magnitude of voltage of described battery be again equal to described constant voltage threshold value, utilize and second be
Number reduces the constant current value of described first constant negative current, obtains the second constant negative current；
The constant current value and zero of described second constant negative current is compared；
Constant current value in described second constant positive current is more than or equal to described constant current threshold value, and the perseverance of described second constant negative current
When flow valuve is more than or equal to zero, using described second constant negative current as described first constant negative current, and by described second constant
Positive current is as described first constant positive current, and triggering execution is described utilizes the first constant negative current to put described battery
Electricity, utilizes the step that described battery is charged by the first constant positive current；
Constant current value in described second constant positive current is more than or equal to described constant current threshold value, and the perseverance of described second constant negative current
When flow valuve is less than zero, the constant current value of described second constant negative current is adjusted to zero, obtains the 3rd constant negative current, and by described
3rd constant positive current is as described first constant positive current, and triggering execution is described utilizes the first constant negative current to described battery
Discharge, utilize the step that described battery is charged by the first constant positive current.
Method the most according to claim 2, it is characterised in that described method also includes:
When described first constant positive current makes the magnitude of voltage of described battery be again equal to described constant voltage threshold value, utilize and the 3rd be
Number reduces the duration of described first constant negative current, obtains the 4th constant negative current；
The relatively duration of described 4th constant negative current and duration threshold value；
At the constant current value of described second constant positive current more than or equal to described constant current threshold value, and the holding of described 4th constant negative current
When continuous duration is more than or equal to described duration threshold value, using described 4th constant negative current as described first constant negative current, and will
Described second constant positive current is as described first constant positive current, and triggering execution is described utilizes the first constant negative current to described
Battery discharges, and utilizes the step that described battery is charged by the first constant positive current；
At the constant current value of described second constant positive current more than or equal to described constant current threshold value, and the holding of described 4th constant negative current
When continuous duration is less than described duration threshold value, the duration of described 4th constant negative current is adjusted to described duration threshold value,
To the 5th constant negative current, using described 5th constant negative current as described first constant negative current, and by described second constant
Positive current is as described first constant positive current, and triggering execution is described utilizes the first constant negative current to put described battery
Electricity, utilizes the step that described battery is charged by the first constant positive current.
Method the most according to claim 2, it is characterised in that described method also includes:
When described first constant positive current makes the magnitude of voltage of described battery be again equal to described constant voltage threshold value, utilize and second be
Number reduces the constant current values of described first constant negative current, and when utilizing the 3rd coefficient to reduce described first constant negative current lasting
Long, obtain the 6th constant negative current；
The constant current value and zero of described 6th constant negative current is compared, and during relatively described 6th constant negative current lasting
Length and duration threshold value；
Constant current value in described second constant positive current is more than or equal to described constant current threshold value, the constant current of described 6th constant negative current
Value more than or equal to zero, the duration of described 6th constant negative current more than or equal to duration threshold value time, will the described 6th constant bear
Electric current is as described first constant negative current, and using described second constant positive current as described first constant positive current, triggers
Perform described to utilize the first constant negative current that described battery is discharged, utilize the first constant positive current that described battery is carried out
The step of charging；
Constant current value in described second constant positive current is more than or equal to described constant current threshold value, the constant current of described 6th constant negative current
Value less than zero, the duration of described 6th constant negative current more than or equal to duration threshold value time, by described 6th constant negative current
Constant current value adjust to zero, and keep the duration of described 6th constant negative current constant, obtain the 7th constant negative current, will
Described 7th constant negative current is as described first constant negative current and described second constant positive current is permanent as described first
Determining positive current, triggering execution is described utilizes the first constant negative current to discharge described battery, utilizes the first constant positive current
The step that described battery is charged；
Constant current value in described second constant positive current is more than or equal to described constant current threshold value, the constant current of described 6th constant negative current
Value more than or equal to zero, the duration of described 6th constant negative current less than duration threshold value time, keep described 6th constant negative electricity
The constant current value of stream is constant, and adjusts the duration of described 6th constant negative current to described duration threshold value, obtains the 8th permanent
Determine negative current, using described 8th constant negative current as described first constant negative current, and described second constant positive current is made
For described first constant positive current, trigger and perform described to utilize the first constant negative current that described battery is discharged, utilize the
The step that described battery is charged by one constant positive current；
Constant current value in described second constant positive current is more than or equal to described constant current threshold value, the constant current of described 6th constant negative current
Value less than zero, the duration of described 6th constant negative current less than duration threshold value time, by the perseverance of described 6th constant negative current
Flow valuve adjusts to zero, and adjusts the duration of described 6th constant negative current to described duration threshold value, obtains the 9th constant
Negative current, using described 9th constant negative current as described first constant negative current, and using described second constant positive current as
Described first constant positive current, triggering execution is described utilizes the first constant negative current to discharge described battery, utilizes first
The step that described battery is charged by constant positive current.
6. according to the arbitrary described method of claim 1 to 5, it is characterised in that described utilize the first constant negative current to described
Battery discharges, including:
Export described first constant negative current by universal input output GPIO, and it is permanent to utilize system timer to set described first
Determine the duration of negative current；
When the duration exporting described first constant negative current reaches the duration of described first constant negative current, by described
GPIO controls mos field effect transistor MOSFET and stops exporting described first constant negative current.
7. according to the arbitrary described method of claim 1 to 5, it is characterised in that described method also includes:
Determine that whether the current magnitude of voltage of described battery is more than or equal to setting voltage value；
When the current magnitude of voltage of described battery is more than or equal to described setting voltage value, utilizes and constant set electric current as described electricity
Charging in pond, triggers and perform described to determine that the current magnitude of voltage of battery is whether equal to the step of constant voltage threshold value.
8. a charging device, it is characterised in that described device includes:
First determines module, is configured to determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value；
Positive and negative constant-current charge module, is configured to determine that module determines that described magnitude of voltage is equal to described constant voltage threshold described first
During value, utilize the first constant negative current that described battery is discharged, utilize the first constant positive current that described battery is filled
Electricity, described first constant negative current is before described first constant current positive current, and the magnitude of voltage of described battery is utilizing described first
Reduce during the electric discharge of constant negative current, and the magnitude of voltage of described battery increases when utilizing described first constant positive current charging；
Constant-voltage charge module, is configured as the described first constant current positive current that described positive and negative constant-current charge module obtains and makes institute
State the magnitude of voltage of battery when being again equal to described constant voltage threshold value, keep described constant voltage threshold value not become the charging of described battery, until
The electricity of described battery reaches to stop during Full Charge Capacity.
Device the most according to claim 8, it is characterised in that described device also includes:
First adjusting module, being configured as described first constant positive current, that the magnitude of voltage of described battery is again equal to is described
During constant voltage threshold value, utilize the first coefficient to reduce the constant current value of described first constant positive current, obtain the second constant positive current；
First comparison module, is configured to the constant current value of the described second constant positive current that the first adjusting module described in comparison obtains
With constant current threshold value；
First trigger module, is configured in the perseverance that the comparative result of described first comparison module is described second constant positive current
When flow valuve is more than or equal to described constant current threshold value, using described second constant positive current as described first constant positive current, trigger institute
State positive and negative constant-current charge module to perform described to utilize the first constant negative current that described battery is discharged, utilize first constant just
The step that described battery is charged by electric current；
Second trigger module, is configured in the perseverance that the comparative result of described first comparison module is described second constant positive current
When flow valuve is less than described constant current threshold value, triggers described constant-voltage charge module execution described holding described constant voltage threshold value and do not become described
Battery charges, until the electricity of described battery reaches the step stopped during Full Charge Capacity.
Device the most according to claim 9, it is characterised in that described device also includes:
Second adjusting module, being configured as described first constant positive current, that the magnitude of voltage of described battery is again equal to is described
During constant voltage threshold value, utilize the second coefficient to reduce the constant current value of described first constant negative current, obtain the second constant negative current；
Second comparison module, be configured to the constant current value of described second constant negative current that described second adjusting module is obtained with
Zero compares；
3rd trigger module, is configured in the perseverance that the comparative result of described second comparison module is described second constant positive current
Flow valuve is more than or equal to described constant current threshold value, and when the constant current value of described second constant negative current is more than or equal to zero, by described second
Constant negative current is as described first constant negative current, and using described second constant positive current as described first constant positive electricity
Stream, triggers described positive and negative constant-current charge module and performs described to utilize the first constant negative current to discharge described battery, utilize
The step that described battery is charged by the first constant positive current；
4th trigger module, is configured in the perseverance that the comparative result of described second comparison module is described second constant positive current
Flow valuve is more than or equal to described constant current threshold value, and the constant current value of described second constant negative current less than zero time, by described second constant
The constant current value of negative current adjusts to zero, obtains the 3rd constant negative current, and using described 3rd constant positive current as described first
Constant positive current, triggers described positive and negative constant-current charge module and performs described to utilize the first constant negative current to put described battery
Electricity, utilizes the step that described battery is charged by the first constant positive current.
11. devices according to claim 9, it is characterised in that described device also includes:
3rd adjusting module, being configured as described first constant positive current, that the magnitude of voltage of described battery is again equal to is described
During constant voltage threshold value, utilize the 3rd coefficient to reduce the duration of described first constant negative current, obtain the 4th constant negative current；
3rd comparison module, when being configured to the described 4th constant negative current that the 3rd adjusting module described in comparison obtains lasting
Length and duration threshold value；
5th trigger module, is configured in the perseverance that the comparative result of described 3rd comparison module is described second constant positive current
Flow valuve is more than or equal to described constant current threshold value, and the duration of described 4th constant negative current is more than or equal to described duration threshold value
Time, using described 4th constant negative current as described first constant negative current, and using described second constant positive current as described
First constant positive current, triggers described positive and negative constant-current charge module and performs described to utilize the first constant negative current to enter described battery
Row electric discharge, utilizes the step that described battery is charged by the first constant positive current；
6th trigger module, is configured in the perseverance that the comparative result of described 3rd comparison module is described second constant positive current
Flow valuve is more than or equal to described constant current threshold value, and when the duration of described 4th constant negative current is less than described duration threshold value, will
The duration of described 4th constant negative current adjusts to described duration threshold value, obtains the 5th constant negative current, by the described 5th
Constant negative current is as described first constant negative current, and using described second constant positive current as described first constant positive electricity
Stream, triggers described positive and negative constant-current charge module and performs described to utilize the first constant negative current to discharge described battery, utilize
The step that described battery is charged by the first constant positive current.
12. devices according to claim 9, it is characterised in that described device also includes:
4th adjusting module, being configured as described first constant positive current, that the magnitude of voltage of described battery is again equal to is described
During constant voltage threshold value, utilize the second coefficient to reduce the constant current value of described first constant negative current, and it is described to utilize the 3rd coefficient to reduce
The duration of the first constant negative current, obtains the 6th constant negative current；
4th comparison module, be configured to the constant current value of described 6th constant negative current that described 4th adjusting module is obtained with
Zero compares, and compares duration and the duration threshold value of described 6th constant negative current；
7th trigger module, is configured in the perseverance that the comparative result of described 4th comparison module is described second constant positive current
Flow valuve more than or equal to described constant current threshold value, described 6th constant negative current constant current value more than or equal to zero, described 6th constant negative
When the duration of electric current is more than or equal to duration threshold value, using described 6th constant negative current as described first constant negative current,
And using described second constant positive current as described first constant positive current, trigger described positive and negative constant-current charge module and perform described
Utilize the first constant negative current that described battery is discharged, utilize the step that described battery is charged by the first constant positive current
Suddenly；
8th trigger module, is configured in the perseverance that the comparative result of described 4th comparison module is described second constant positive current
Flow valuve more than or equal to described constant current threshold value, described 6th constant negative current constant current value less than zero, described 6th constant negative current
Duration more than or equal to duration threshold value time, the constant current value of described 6th constant negative current is adjusted to zero, and keeps described
The duration of the 6th constant negative current is constant, obtains the 7th constant negative current, using described 7th constant negative current as described
First constant negative current, and using described second constant positive current as described first constant positive current, trigger described positive and negative constant current
Charging module execution is described utilizes the first constant negative current to discharge described battery, utilizes the first constant positive current to described
The step that battery is charged；
9th trigger module, is configured in the perseverance that the comparative result of described 4th comparison module is described second constant positive current
Flow valuve more than or equal to described constant current threshold value, described 6th constant negative current constant current value more than or equal to zero, described 6th constant negative
When the duration of electric current is less than duration threshold value, the constant current value keeping described 6th constant negative current is constant, and by the described 6th
The duration of constant negative current adjusts to described duration threshold value, obtains the 8th constant negative current, by described 8th constant negative electricity
Stream is as described first constant negative current, and using described second constant positive current as described first constant positive current, triggers institute
State positive and negative constant-current charge module to perform described to utilize the first constant negative current that described battery is discharged, utilize first constant just
The step that described battery is charged by electric current；
Tenth trigger module, is configured in the perseverance that the comparative result of described 4th comparison module is described second constant positive current
Flow valuve more than or equal to described constant current threshold value, described 6th constant negative current constant current value less than zero, described 6th constant negative current
Duration less than duration threshold value time, the constant current value of described 6th constant negative current is adjusted to zero, and will described 6th perseverance
The duration determining negative current adjusts to described duration threshold value, obtains the 9th constant negative current, by described 9th constant negative current
As described first constant negative current, and using described second constant positive current as described first constant positive current, trigger described
The execution of positive and negative constant-current charge module is described utilizes the first constant negative current to discharge described battery, utilizes the first constant positive electricity
The step that described battery is charged by stream.
13. according to Claim 8 to 12 arbitrary described devices, it is characterised in that described positive and negative constant-current charge module, including:
Regularly submodule, is configured to universal input output GPIO and exports described first constant negative current, and utilize system
Intervalometer sets the duration of described first constant negative current；
Control submodule, be configured to the duration exporting described first constant negative current and reach what described timing submodule obtained
During the duration of described first constant negative current, control mos field effect transistor by described GPIO
MOSFET stops exporting described first constant negative current.
14. according to Claim 8 to 12 arbitrary described devices, it is characterised in that described device also includes:
Second determines module, is configured to determine that whether the current magnitude of voltage of described battery is more than or equal to setting voltage value；
Constant-current charge module, is configured as described second and determines that module determines that the current magnitude of voltage of described battery is more than or equal to
During described setting voltage value, utilizing the constant electric current that sets to charge as described battery, triggering execution is described determines that battery is current
Whether magnitude of voltage is equal to the step of constant voltage threshold value.
15. 1 kinds of charging devices, it is characterised in that described device includes:
Processor；
For storing the memorizer of processor executable；
Wherein, described processor is configured to:
Determine that whether the current magnitude of voltage of battery is equal to constant voltage threshold value；
When described magnitude of voltage is equal to described constant voltage threshold value, utilize the first constant negative current that described battery is discharged, utilize
Described battery is charged by the first constant positive current, described first constant negative current before described first constant current positive current,
The magnitude of voltage of described battery reduces when utilizing described first constant negative current electric discharge, and the magnitude of voltage of described battery is utilizing
Increase when stating the first constant positive current charging；
When described first constant current positive current makes the magnitude of voltage of described battery be again equal to described constant voltage threshold value, keep described perseverance
Pressure threshold value does not become the charging of described battery, until the electricity of described battery reaches to stop during Full Charge Capacity.
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| CN109818089A (en) * | 2019-01-21 | 2019-05-28 | 深圳流量链科技有限公司 | A kind of battery current-limiting method and device |
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