CN110212598A - Battery charging management method, apparatus and user equipment - Google Patents
Battery charging management method, apparatus and user equipment Download PDFInfo
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- CN110212598A CN110212598A CN201910373058.3A CN201910373058A CN110212598A CN 110212598 A CN110212598 A CN 110212598A CN 201910373058 A CN201910373058 A CN 201910373058A CN 110212598 A CN110212598 A CN 110212598A
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- voltage
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- rechargeable battery
- charging
- current
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—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
- H02J7/007—Regulation of charging or discharging current or voltage
-
- 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
Abstract
The present invention provides a kind of battery charging management method, apparatus and user equipmenies, and described method includes following steps: detecting the charging input current of rechargeable battery；When charging input current is less than the charging current of setting, charging input current is obtained to the difference between the input current and the charging current of setting compared with the charging current of setting；The input voltage of the rechargeable battery is adjusted according to the difference between the input current and the charging current of setting.Technical solution provided by the invention has the advantages that user experience is good.
Description
The application be the applying date be on April 12nd, 2016, application No. is " 201610227615.7 ", it is entitled " electricity
The divisional application of pond charging management method, device and user equipment ".
Technical field
The present invention relates to the communications field more particularly to a kind of battery charging management method, apparatus and user equipmenies.
Background technique
Current rechargeable battery is generally lithium battery, and the charging management chip of lithium battery is essentially all linearly to drop at present
Pressure or pulsewidth modulation buck converter charge to single-unit or multi-section lithium ion battery, there is trickle, constant current, the charging process of constant pressure
In, trickle current is generally arranged at 1/10 times of continuous current, and the usual design maximum of the continuous current of chip is in 2.5A or so.With
The improvement of people's living standards, the accelerating rhythm of life, the portable electronic product of large current charge or outdoor lithium battery drive
Dynamic electronic product demand is more urgent.Such as solar street light, power electric motor car, outdoor powerful Bluetooth speaker.With lithium
The maturation of battery material formula supports the battery core of large current charge more and more.Common lithium electricity charging management chip, input
Ceiling voltage basic demand in 7V hereinafter, input voltage require it is too narrow, limit application.1A charging management chip below leads to
The mode of standing meter linear voltage decreasing charges, and transfer efficiency only has 80% or so, and calorific value is big.
In addition, the charging time of existing rechargeable battery is long, user experience is reduced.
Summary of the invention
A kind of battery charging management method is provided, the technical solution of the application uses the input current according to rechargeable battery
It adjusts the value scheme of input voltage, there is the purpose for keeping charging input current constant current, so it is short with the charging time,
The good advantage of user experience.
On the one hand, a kind of battery charging management method is provided, described method includes following steps:
Detect the charging input current of rechargeable battery；When charging input current is less than the charging current of setting, will charge
Input current obtains the difference between the input current and the charging current of setting compared with the charging current of setting；It is defeated according to this
Enter the input voltage that the difference between electric current and the charging current of setting adjusts the rechargeable battery.
Optionally, the difference according between the input current and the charging current of setting adjusts the defeated of the rechargeable battery
Enter voltage, comprising:
According to the difference between the input current and the charging current of setting multiplied by voltage constant plus the input before adjustment
Voltage value calculates input voltage value adjusted, and input voltage is adjusted to input voltage value adjusted.
Optionally, in the input for adjusting the rechargeable battery according to the difference between the input current and the charging current of setting
After voltage, the method also includes:
The voltage for detecting rechargeable battery reduces the input electricity of rechargeable battery if the voltage of rechargeable battery is more than voltage threshold
The voltage of straightening to rechargeable battery is lower than voltage threshold.
Optionally, as the voltage of rechargeable battery be more than voltage threshold, reduce rechargeable battery input voltage until charging electricity
The voltage in pond is specific lower than voltage threshold, comprising:
The voltage of such as rechargeable battery is more than voltage threshold, reduces rechargeable battery step by step by preset voltage adjustment grade
Input voltage is until the voltage of the rechargeable battery is lower than voltage threshold；
Or multiplied by decompression constant, to obtain rechargeable battery defeated according to the difference between the voltage and voltage threshold of the rechargeable battery
Input voltage is adjusted the input voltage value to adjustment and reduces the difference of voltage value by the reduction voltage value for entering voltage.
Second aspect, provides a kind of battery charging management device, and described device includes:
Current detecting unit, for detecting the charging input current of rechargeable battery；
Comparing unit, for charging input current to be obtained to the input current and setting compared with the charging current of setting
Difference between charging current, wherein charging input current is less than the charging current of setting；
Voltage-adjusting unit, for adjusting charging electricity according to the difference between the input current and the charging current of setting
The input voltage in pond.
Optionally, the voltage-adjusting unit, specifically for according between the input current and the charging current of setting
Difference calculates input voltage value adjusted plus the input voltage value before adjustment multiplied by voltage constant, and input voltage is adjusted
To input voltage value adjusted.
Optionally, described device further include: voltage detection unit, for detecting the voltage of rechargeable battery；
Voltage-adjusting unit, being also used to the voltage of rechargeable battery such as is more than voltage threshold, reduces the input electricity of rechargeable battery
The voltage of straightening to rechargeable battery is lower than voltage threshold.
Optionally, the voltage-adjusting unit is specific, and the voltage for such as rechargeable battery is more than voltage threshold, by default
Voltage adjustment grade reduce step by step rechargeable battery input voltage until the voltage of the rechargeable battery lower than voltage threshold；Or according to
The reduction of rechargeable battery input voltage is obtained multiplied by decompression constant according to the difference between the voltage and voltage threshold of the rechargeable battery
Input voltage is adjusted the input voltage value to adjustment and reduces the difference of voltage value by voltage value.
The third aspect, provides a kind of user equipment, and the user equipment includes: that processor, voltage raising and reducing IC, power supply connect
Mouth, rechargeable battery, digital regulation resistance, current sampling circuit；
Wherein, processor is connect with current sampling circuit, and the charging end of current sampling circuit and rechargeable battery links, electric current
Sample circuit is also connect with voltage raising and reducing IC, and digital regulation resistance is connect with voltage raising and reducing IC and processor；Voltage raising and reducing IC with
Power interface connection；
Current sampling circuit is used to detect the charging input current of rechargable battery；
Processor is filled for charging input current to be obtained to the input current compared with the charging current of setting with what is set
Difference between electric current sends voltage to digital regulation resistance according to the difference between the input current and the charging current of setting
Adjustment order, wherein charging input current is less than the charging current of setting；
Digital regulation resistance adjusts the rechargeable battery for adjusting the order control voltage raising and reducing IC according to the voltage
Input voltage.
Optionally, the user equipment further include: voltage sampling unit, for sampling the voltage of rechargeable battery, and should
The voltage input of the rechargeable battery of sampling is to processor；
Processor, for such as rechargeable battery voltage be more than voltage threshold, to digital regulation resistance send decompression order so that
Digital regulation resistance, which controls voltage raising and reducing IC, reduces the input voltage of rechargeable battery until the voltage of rechargeable battery is lower than voltage threshold.
Fourth aspect provides a kind of computer readable storage medium, and for storing program, feature exists the storage medium
In described program is for executing the above method.
What the input current of the foundation rechargeable battery provided according to each embodiment obtained compared with the charging current of setting
Difference adjusts the input voltage of the rechargeable battery, can guarantee that the input current of rechargeable battery is constant in this way, fills to improve
The charging rate of battery.Because for rechargeable battery, the principle of charging be to increase pressure difference to rechargeable battery to make
Rechargeable battery converts electric energy to chemical energy, during this, since voltage can be higher and higher during the charging process for rechargeable battery,
If in the case that input voltage is constant, charging input current will be lower and lower, this mode leads to the charging of rechargeable battery
Time is increasingly longer, and the charging input current of the first better embodiment detection rechargeable battery of the invention, then by the charging
Then input current adjusts the input voltage of rechargeable battery, due to this compared with the charging current of setting according to comparison result
Detection belongs to real-time detection, and when the input current of rechargeable battery reduces, difference increases, and needs to increase rechargeable battery at this time
Input voltage is to increase the pressure difference of rechargeable battery and input terminal voltage, thus reach quick charge, the good advantage of user experience.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart for the battery charging management method that the first better embodiment of the invention provides；
Fig. 2 is the flow chart for the battery charging management method that the second better embodiment of the invention provides；
Fig. 3 is the structure chart for the battery charging management device that better embodiment of the present invention provides；
Fig. 4 is the structure chart for the battery charging management device that a better embodiment of the invention provides；
Fig. 5 is the structure chart for the user equipment that the specific embodiment of the invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Refering to fig. 1, Fig. 1 is the battery charging management method that first better embodiment of the invention provides, this method by with
Family equipment executes, which includes but is not limited to: mobile phone, tablet computer, smartwatch, Intelligent bracelet, PDA, speaker, shifting
The equipment that dynamic power supply etc. is able to use rechargeable battery, this method is as shown in Figure 1, include the following steps:
Step S101, the charging input current of rechargeable battery is detected；
The mode that the charging input current of rechargeable battery is detected in above-mentioned steps S101 can use inspection in the prior art
Survey mode can be by current sampling circuit come to filling for example, in one embodiment of first better embodiment of the invention
Electric input current is detected, and certainly in practical applications, can also be examined using other modes to charging input current
It surveys, for example, can be inputted by current sensor to charging in another embodiment of the first better embodiment of the invention
Electric current is detected.First better embodiment of the invention does not limit the specific detection mode of the charging input current.
Step S102, when charging input current is less than the charging current of setting, charging input current is filled with what is set
Electric current relatively obtains the difference between the input current and the charging current of setting；
Charging input current is obtained to the input current and setting in above-mentioned steps S102 compared with the charging current of setting
Charging current between difference mode there are many, such as in one embodiment of first better embodiment of the invention,
It can be realized by a subtracter, it, can be with certainly in another embodiment of first better embodiment of the invention
By obtaining the difference between the input current and the charging current of setting in setup algorithm formula in processor.The present invention the
One better embodiment does not limit to the specific acquisition form of above-mentioned difference.
Step S103, the input of the rechargeable battery is adjusted according to the difference between the input current and the charging current of setting
Voltage.
The implementation of above-mentioned steps S103 can specifically use a variety of implementations, such as:
Mode A, according to the difference between the input current and the charging current of setting by preset voltage adjustment grade by
The input voltage of grade adjustment rechargeable battery is until the difference between the input current and the charging current of setting is lower than difference threshold.
Illustrate the implementation of aforesaid way A with an actual example below, it is assumed here that set charging current as
10A, input current 8A, difference threshold 0.1A, it is 0.1v that voltage, which adjusts every grade of grade, it is assumed that input voltage is 12V at this time,
0.1V then is turned up in 12V every time, then detects the value of input current, it is assumed that the value of input current is 8.2A, then will input electricity
Then pressure one grade of adjustment, i.e. 12.2V detect the value of input current until the value and 10A of input current are in difference threshold again
It is worth in range.
Mode B, according to the difference between the input current and the charging current of setting multiplied by voltage constant plus adjustment before
Input voltage value calculate input voltage value adjusted, input voltage is adjusted to input voltage value adjusted.
Illustrate the implementation of aforesaid way B with an actual example below, it is assumed here that set charging current as
10A, input current 8A, it is assumed that input voltage is 12V at this time, and the difference of calculating is -2A, it is assumed that voltage constant at this time is
0.5, then input voltage adjusted is 12+2*0.5=13V.
The technical solution that first better embodiment of the invention provides is according to the input current of rechargeable battery and filling for setting
The difference that electric current relatively obtains adjusts the input voltage of the rechargeable battery, can guarantee the input current of rechargeable battery in this way
It is constant, to improve the charging rate of rechargeable battery.Because for rechargeable battery, the principle of charging is to be to filling
Battery increases pressure difference and rechargeable battery is made to convert electric energy to chemical energy, during this, since rechargeable battery is in charging process
Middle voltage can be higher and higher, if in the case that input voltage is constant, charging input current will be lower and lower, this mode is led
Cause the charging time of rechargeable battery increasingly longer, and the charging of the first better embodiment detection rechargeable battery of the invention inputs electricity
Then stream adjusts rechargeable battery according to comparison result then by the charging input current compared with the charging current of setting
Input voltage, since the detection belongs to real-time detection, when the input current of rechargeable battery reduces, difference increases, and needs at this time
Increase the input voltage of rechargeable battery to increase the pressure difference of rechargeable battery and input terminal voltage, to reach the mesh of quick charge
's.
Referring to Fig.2, Fig. 2 is the battery charging management method that second better embodiment of the invention provides, this method by with
Family equipment executes, which includes but is not limited to: mobile phone, tablet computer, smartwatch, Intelligent bracelet, PDA, speaker, shifting
The equipment that dynamic power supply etc. is able to use rechargeable battery, this method is as shown in Fig. 2, include the following steps:
Step S201, the charging input current of rechargeable battery is detected；
The mode that the charging input current of rechargeable battery is detected in above-mentioned steps S201 can use inspection in the prior art
Survey mode can be by current sampling circuit come to filling for example, in one embodiment of second better embodiment of the invention
Electric input current is detected, and certainly in practical applications, can also be examined using other modes to charging input current
It surveys, for example, can be inputted by current sensor to charging in another embodiment of the second better embodiment of the invention
Electric current is detected.Second better embodiment of the invention does not limit the specific detection mode of the charging input current.
Step S202, when charging input current is less than the charging current of setting, charging input current is filled with what is set
Electric current relatively obtains the difference between the input current and the charging current of setting；
Charging input current is obtained to the input current and setting in above-mentioned steps S204 compared with the charging current of setting
Charging current between difference mode there are many, such as in one embodiment of second better embodiment of the invention,
It can be realized by a subtracter, it, can be with certainly in another embodiment of second better embodiment of the invention
By obtaining the difference between the input current and the charging current of setting in setup algorithm formula in processor.The present invention the
Two better embodiments do not limit to the specific acquisition form of above-mentioned difference.
Step S203, the input of the rechargeable battery is adjusted according to the difference between the input current and the charging current of setting
Voltage.
The implementation of above-mentioned steps S203 can specifically use a variety of implementations, such as:
Mode A, according to the difference between the input current and the charging current of setting by preset voltage adjustment grade by
The input voltage of grade adjustment rechargeable battery is until the difference between the input current and the charging current of setting is lower than difference threshold.
Illustrate the implementation of aforesaid way A with an actual example below, it is assumed here that set charging current as
10A, input current 8A, difference threshold 0.1A, it is 0.1v that voltage, which adjusts every grade of grade, it is assumed that input voltage is 12V at this time,
0.1V then is turned up in 12V every time, then detects the value of input current, it is assumed that the value of input current is 8.2A, then will input electricity
Then pressure one grade of adjustment, i.e. 12.2V detect the value of input current until the value and 10A of input current are in difference threshold again
It is worth in range.
Mode B, according to the difference between the input current and the charging current of setting multiplied by voltage constant plus adjustment before
Input voltage value calculate input voltage value adjusted, input voltage is adjusted to input voltage value adjusted.
Illustrate the implementation of aforesaid way B with an actual example below, it is assumed here that set charging current as
10A, input current 8A, it is assumed that input voltage is 12V at this time, and the difference of calculating is -2A, it is assumed that voltage constant at this time is
0.5, then input voltage adjusted is 12+2*0.5=13V.
Step S204, the voltage for detecting rechargeable battery reduces rechargeable battery if the voltage of rechargeable battery is more than voltage threshold
Input voltage until rechargeable battery voltage be lower than voltage threshold.
The implementation method of above-mentioned steps S204 can be accomplished by the following way:
The voltage of mode C, such as rechargeable battery is more than voltage threshold, reduces charging step by step by preset voltage adjustment grade
The input voltage of battery is until the voltage of the rechargeable battery is lower than voltage threshold.
Illustrate the implementation of aforesaid way C with an actual example below, it is assumed here that the input of rechargeable battery
Voltage is 13V, and the voltage of rechargeable battery is 6V, and voltage threshold 5.9V, it is 0.1v, the reality of mode C that voltage, which adjusts every grade of grade,
Existing mode is specifically as follows: input voltage being adjusted downwards 0.1V every time, then detects the voltage of rechargeable battery, such as rechargeable battery
Voltage be more than voltage threshold, input voltage is being adjusted downwards to 0.1v until the voltage of rechargeable battery is lower than voltage threshold.
Mode D, charging electricity is obtained multiplied by decompression constant according to the difference between the voltage and voltage threshold of the rechargeable battery
Input voltage is adjusted the input voltage value to adjustment and reduces the difference of voltage value by the reduction voltage value of pond input voltage.
Illustrate the implementation of aforesaid way D with an actual example below, it is assumed here that the input of rechargeable battery
Voltage is 13V, and the voltage of rechargeable battery is 6V, and voltage threshold 5.9V, the difference of calculating is 0.1V, it is assumed that voltage at this time is normal
Number is 1, then above-mentioned reduction voltage value can be with are as follows: 0.1*1=0.1V, then input voltage adjusted is 13-0.1=12.9V.
The technical solution that second better embodiment of the invention provides is according to the input current of rechargeable battery and filling for setting
The difference that electric current relatively obtains adjusts the input voltage of the rechargeable battery, can guarantee the input current of rechargeable battery in this way
It is constant, to improve the charging rate of rechargeable battery.Because for rechargeable battery, the principle of charging is to be to filling
Battery increases pressure difference and rechargeable battery is made to convert electric energy to chemical energy, during this, since rechargeable battery is in charging process
Middle voltage can be higher and higher, if in the case that input voltage is constant, charging input current will be lower and lower, this mode is led
Cause the charging time of rechargeable battery increasingly longer, and the charging of the second better embodiment detection rechargeable battery of the invention inputs electricity
Then stream adjusts rechargeable battery according to comparison result then by the charging input current compared with the charging current of setting
Input voltage, since the detection belongs to real-time detection, when the input current of rechargeable battery reduces, difference increases, and needs at this time
Increase the input voltage of rechargeable battery to increase the pressure difference of rechargeable battery and input terminal voltage, to reach the mesh of quick charge
's；In addition, the second better embodiment of the invention increases voltage sampling unit, this limits the ceiling voltage of rechargeable battery
Rechargeable battery can be effectively protected in system, the technical solution, because for rechargeable battery, if its rechargeable battery
Overtension, will strong influence rechargeable battery service life, even damage rechargeable battery, though technical solution of the present invention
It so can be improved the speed of charging, but the safety of rechargeable battery be also required to consider, and increase above-mentioned technical proposal
After, which is not in the problem of causing the service life to reduce or damage due to overtension.
Refering to Fig. 3, Fig. 3 is the battery charging management device that a better embodiment of the invention provides, which can set
It sets in user equipment, which includes but is not limited to: mobile phone, tablet computer, smartwatch, Intelligent bracelet, PDA, sound
The equipment that case, mobile power source etc. are able to use rechargeable battery, the device as shown in figure 3, the cell managing device as shown in figure 3,
It may include current detecting unit 301, comparing unit 302 and voltage-adjusting unit 303.It is specifically as follows:
Current detecting unit 301, for detecting the charging input current of rechargeable battery；
The mode that the charging input current of rechargeable battery is detected in above-mentioned current detecting unit 301 can use the prior art
In detection mode can be by current sampling circuit come to charging input current for example, in better embodiment of the present invention
It is detected, certainly in practical applications, charging input current can also be detected using other modes, for example,
In another better embodiment of the present invention, charging input current can be detected by current sensor.The present invention is preferable
Embodiment does not limit the specific detection mode of the charging input current.
Comparing unit 302, for obtaining the input current compared with the charging current of setting and setting charging input current
Difference between fixed charging current；Wherein, charging input current is less than the charging current of setting；
Charging input current is obtained the input current and set compared with the charging current of setting in above-mentioned comparing unit 302
There are many modes of difference between fixed charging current, such as in one embodiment of better embodiment of the present invention, can
To be realized by a subtracter, certainly in another embodiment of better embodiment of the present invention, can also by
Setup algorithm formula obtains the difference between the input current and the charging current of setting in processor.The present invention is preferably implemented
Mode does not limit to the specific acquisition form of above-mentioned difference.
Voltage-adjusting unit 303 is filled for adjusting this according to the difference between the input current and the charging current of setting
The input voltage of battery.
The implementation of above-mentioned voltage-adjusting unit 303 can specifically use a variety of implementations, such as:
Mode A, according to the difference between the input current and the charging current of setting by preset voltage adjustment grade by
The input voltage of grade adjustment rechargeable battery is until the difference between the input current and the charging current of setting is lower than difference threshold.
Illustrate the implementation of aforesaid way A with an actual example below, it is assumed here that set charging current as
10A, input current 8A, difference threshold 0.1A, it is 0.1v that voltage, which adjusts every grade of grade, it is assumed that input voltage is 12V at this time,
0.1V then is turned up in 12V every time, then detects the value of input current, it is assumed that the value of input current is 8.2A, then will input electricity
Then pressure one grade of adjustment, i.e. 12.2V detect the value of input current until the value and 10A of input current are in difference threshold again
It is worth in range.
Mode B, according to the difference between the input current and the charging current of setting multiplied by voltage constant plus adjustment before
Input voltage value calculate input voltage value adjusted, input voltage is adjusted to input voltage value adjusted.
Illustrate the implementation of aforesaid way B with an actual example below, it is assumed here that set charging current as
10A, input current 8A, it is assumed that input voltage is 12V at this time, and the difference of calculating is -2A, it is assumed that voltage constant at this time is
0.5, then input voltage adjusted is 12+2*0.5=13V.
The technical solution that better embodiment of the present invention provides is according to the input current of rechargeable battery and the charging electricity of setting
The difference that stream compares adjusts the input voltage of the rechargeable battery, can guarantee that the input current of rechargeable battery is permanent in this way
It is fixed, to improve the charging rate of rechargeable battery.Because for rechargeable battery, the principle of charging be to charging
Battery increases pressure difference and rechargeable battery is made to convert electric energy to chemical energy, during this, during the charging process due to rechargeable battery
Voltage can be higher and higher, if in the case that input voltage is constant, charging input current will be lower and lower, this mode causes
The charging time of rechargeable battery is increasingly longer, and the charging input current of better embodiment of the present invention detection rechargeable battery, so
Afterwards by the charging input current compared with the charging current of setting, the input electricity of rechargeable battery is then adjusted according to comparison result
Pressure, since the detection belongs to real-time detection, when the input current of rechargeable battery reduces, difference increases, and needs to increase at this time
The input voltage of rechargeable battery is to increase the pressure difference of rechargeable battery and input terminal voltage, to achieve the purpose that quick charge.
Refering to Fig. 4, Fig. 4 is the structural block diagram for the battery charging management device that a better embodiment of the invention provides.
The battery charging management device may include: current detecting unit 301, comparing unit 302, voltage-adjusting unit 303 and voltage
Detection unit 401.The battery charging management device can be set in user equipment, which includes but is not limited to: hand
The equipment that machine, tablet computer, smartwatch, Intelligent bracelet, PDA, speaker, mobile power source etc. are able to use rechargeable battery, the electricity
Pond charging controller is as shown in figure 4, can specifically include:
Current detecting unit 301, for detecting the charging input current of rechargeable battery；
The mode that the charging input current of rechargeable battery is detected in above-mentioned current detecting unit 301 can use the prior art
In detection mode, for example, current sampling circuit can be passed through in one embodiment of a better embodiment of the invention
Charging input current is detected, it certainly in practical applications, can also be using other modes to charging input current
It is detected, it, can be by current sensor to filling for example, in another embodiment of a better embodiment of the invention
Electric input current is detected.A better embodiment of the invention is to the specific detection mode of the charging input current and unlimited
It is fixed.
Comparing unit 302, for obtaining the input current compared with the charging current of setting and setting charging input current
Difference between fixed charging current；Wherein, charging input current is less than the charging current of setting；
Charging input current is obtained the input current and set compared with the charging current of setting in above-mentioned comparing unit 302
There are many modes of difference between fixed charging current, such as in one embodiment of a better embodiment of the invention
In, it can be realized by a subtracter, certainly in another embodiment of a better embodiment of the invention, may be used also
By obtaining the difference between the input current and the charging current of setting in setup algorithm formula in processor.The present invention
One better embodiment does not limit to the specific acquisition form of above-mentioned difference.
Voltage-adjusting unit 303 is filled for adjusting this according to the difference between the input current and the charging current of setting
The input voltage of battery.
The implementation of above-mentioned voltage-adjusting unit 303 can specifically use a variety of implementations, such as:
Mode A, according to the difference between the input current and the charging current of setting by preset voltage adjustment grade by
The input voltage of grade adjustment rechargeable battery is until the difference between the input current and the charging current of setting is lower than difference threshold.
Illustrate the implementation of aforesaid way A with an actual example below, it is assumed here that set charging current as
10A, input current 8A, difference threshold 0.1A, it is 0.1v that voltage, which adjusts every grade of grade, it is assumed that input voltage is 12V at this time,
0.1V then is turned up in 12V every time, then detects the value of input current, it is assumed that the value of input current is 8.2A, then will input electricity
Then pressure one grade of adjustment, i.e. 12.2V detect the value of input current until the value and 10A of input current are in difference threshold again
It is worth in range.
Mode B, according to the difference between the input current and the charging current of setting multiplied by voltage constant plus adjustment before
Input voltage value calculate input voltage value adjusted, input voltage is adjusted to input voltage value adjusted.
Illustrate the implementation of aforesaid way B with an actual example below, it is assumed here that set charging current as
10A, input current 8A, it is assumed that input voltage is 12V at this time, and the difference of calculating is -2A, it is assumed that voltage constant at this time is
0.5, then input voltage adjusted is 12+2*0.5=13V.
Voltage detection unit 401, for detecting the voltage of rechargeable battery；
Voltage-adjusting unit 303, being also used to the voltage of rechargeable battery such as is more than voltage threshold, reduces the input of rechargeable battery
Voltage is until the voltage of rechargeable battery is lower than voltage threshold.
Above-mentioned voltage-adjusting unit 303 reduces the input voltage of rechargeable battery until the voltage of rechargeable battery is lower than voltage threshold
The implementation method of value can be accomplished by the following way:
The voltage of mode C, such as rechargeable battery is more than voltage threshold, reduces charging step by step by preset voltage adjustment grade
The input voltage of battery is until the voltage of the rechargeable battery is lower than voltage threshold.
Illustrate the implementation of aforesaid way C with an actual example below, it is assumed here that the input of rechargeable battery
Voltage is 13V, and the voltage of rechargeable battery is 6V, and voltage threshold 5.9V, it is 0.1v, the reality of mode C that voltage, which adjusts every grade of grade,
Existing mode is specifically as follows: input voltage being adjusted downwards 0.1V every time, then detects the voltage of rechargeable battery, such as rechargeable battery
Voltage be more than voltage threshold, input voltage is being adjusted downwards to 0.1v until the voltage of rechargeable battery is lower than voltage threshold.
Mode D, charging electricity is obtained multiplied by decompression constant according to the difference between the voltage and voltage threshold of the rechargeable battery
Input voltage is adjusted the input voltage value to adjustment and reduces the difference of voltage value by the reduction voltage value of pond input voltage.
Illustrate the implementation of aforesaid way D with an actual example below, it is assumed here that the input of rechargeable battery
Voltage is 13V, and the voltage of rechargeable battery is 6V, and voltage threshold 5.9V, the difference of calculating is 0.1V, it is assumed that voltage at this time is normal
Number is 1, then above-mentioned reduction voltage value can be with are as follows: 0.1*1=0.1V, then input voltage adjusted is 13-0.1=12.9V.
The technical solution that one better embodiment of the present invention provides is according to the input current of rechargeable battery and filling for setting
The difference that electric current relatively obtains adjusts the input voltage of the rechargeable battery, can guarantee the input current of rechargeable battery in this way
It is constant, to improve the charging rate of rechargeable battery.Because for rechargeable battery, the principle of charging is to be to filling
Battery increases pressure difference and rechargeable battery is made to convert electric energy to chemical energy, during this, since rechargeable battery is in charging process
Middle voltage can be higher and higher, if in the case that input voltage is constant, charging input current will be lower and lower, this mode is led
Cause the charging time of rechargeable battery increasingly longer, and the charging of one better embodiment detection rechargeable battery of the present invention inputs electricity
Then stream adjusts rechargeable battery according to comparison result then by the charging input current compared with the charging current of setting
Input voltage, since the detection belongs to real-time detection, when the input current of rechargeable battery reduces, difference increases, and needs at this time
Increase the input voltage of rechargeable battery to increase the pressure difference of rechargeable battery and input terminal voltage, to reach the mesh of quick charge
's；In addition, a better embodiment of the invention increases voltage sampling unit, this limits the ceiling voltage of rechargeable battery
Rechargeable battery can be effectively protected in system, the technical solution, because for rechargeable battery, if its rechargeable battery
Overtension, will strong influence rechargeable battery service life, even damage rechargeable battery, though technical solution of the present invention
It so can be improved the speed of charging, but the safety of rechargeable battery be also required to consider, and increase above-mentioned technical proposal
After, which is not in the problem of causing the service life to reduce or damage due to overtension.
Refering to Fig. 5, Fig. 5 is the rough schematic view of user equipment 50 provided by the embodiments of the present application, which can
With the device comprising embodiment as shown in Figure 3 or Figure 4, which includes but is not limited to: mobile phone, tablet computer, service
The equipment such as device, PDA, as shown in figure 5, the terminal device 50 includes: processor 501, voltage raising and reducing IC (integrated circuit) 502, electricity
Source interface 503, rechargeable battery 504, digital regulation resistance 505, current sampling circuit 506.Voltage raising and reducing IC 502 is used for as charging
Battery provides input voltage.The quantity of processor 501 in user equipment 50 can be one or more.User equipment 50 can be with
For executing Fig. 1, method shown in Fig. 2.It, can be with reference to Fig. 1, figure about the meaning and citing of the term that the present embodiment is related to
2 corresponding explanations.Details are not described herein again.
Processor 501 is connect with current sampling circuit 506, the charging end chain of current sampling circuit 506 and rechargeable battery 504
It connects, current sampling circuit 506 is also connect with voltage raising and reducing IC502, and the charging that current sampling circuit 506 is used to detect rechargable battery is defeated
Enter electric current；
Digital regulation resistance 505 is connect with voltage raising and reducing IC and processor 501；Voltage raising and reducing IC and power interface 503 connect
It connects；
Wherein, memory can be set in processor 501, certainly in practical application, memory can also be separately provided,
Program code is stored in memory.Processor 501 is for calling the program code stored in memory, for executing following behaviour
Make:
Charging input current is obtained compared with the charging current of setting between the input current and the charging current of setting
Difference, according to the difference between the input current and the charging current of setting to digital regulation resistance 505 send voltage adjustment life
It enables so that digital regulation resistance control voltage raising and reducing IC adjusts the input voltage of the rechargeable battery.
Optionally, above-mentioned processor 501 specifically can be used for according between the input current and the charging current of setting
Difference adjusts grade by preset voltage and exports pressure regulation order step by step to digital regulation resistance 505；
Digital regulation resistance 505 is straight according to the input voltage that pressure regulation order control voltage raising and reducing IC adjusts rechargeable battery step by step
It is lower than difference threshold to the difference between the input current and the charging current of setting.
Optionally, above-mentioned user equipment can also include: voltage sampling unit 507, and the voltage sampling unit 507 is for adopting
The voltage of sample rechargeable battery, and by the voltage input of the rechargeable battery of the sampling to processor 501；
Processor 501, the voltage for such as rechargeable battery are more than voltage threshold, send decompression life to digital regulation resistance 505
It enables so that digital regulation resistance control voltage raising and reducing IC reduces the input voltage of rechargeable battery until the voltage of rechargeable battery is lower than electricity
Press threshold value.
It should be noted that processor 501 here can be a processing element, it is also possible to multiple processing elements
It is referred to as.For example, the processing element can be microprocessor (Microcontroller Unit, MCU), central processing unit
(Central Processing Unit, CPU), is also possible to specific integrated circuit (Application Specific
Integrated Circuit, ASIC), or be arranged to implement one or more integrated circuits of the embodiment of the present application,
Such as: one or more microprocessors (digital singnal processor, DSP), or, one or more scene can
It programs gate array (Field Programmable Gate Array, FPGA).
Memory can be a storage device, be also possible to the general designation of multiple memory elements, and executable for storing
Parameter, data required for program code or application program running gear are run etc..And memory may include random access memory
It (RAM), also may include nonvolatile memory (non-volatile memory), such as magnetic disk storage, flash memory
(Flash) etc..
It should be noted that for each method embodiment above-mentioned or embodiment, for simple description, therefore by its all table
It states as a series of action combinations, but those skilled in the art should understand that, the time of shops's inquiry is reduced, in addition, can also
To be more in line with the hobby of user, because being typically all more interested for the shopping mark of user's binding
Invention is not limited by the described action sequence because according to the present invention, certain steps can using other sequences or
It carries out simultaneously.Secondly, those skilled in the art should also know that, embodiment or embodiment described in the specification belong to excellent
Embodiment is selected, related movement and unit are not necessarily essential to the invention.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Unit in the device of that embodiment of the invention can be combined, divided and deleted according to actual needs.This field
The feature of different embodiments described in this specification and different embodiments can be combined or be combined by technical staff.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be with
It is realized with hardware realization or firmware realization or their combination mode.It when implemented in software, can be by above-mentioned function
Storage in computer-readable medium or as on computer-readable medium one or more instructions or code transmitted.Meter
Calculation machine readable medium includes computer storage media and communication media, and wherein communication media includes convenient for from a place to another
Any medium of a place transmission computer program.Storage medium can be any usable medium that computer can access.With
For this but be not limited to: computer-readable medium may include random access memory (Random Access Memory,
RAM), read-only memory (Read-Only Memory, ROM), Electrically Erasable Programmable Read-Only Memory (Electrically
Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, magnetic disk storage medium or other magnetic storage apparatus or can be used in
Carry or storage have instruction or data structure form desired program code and can by computer access any other
Medium.Furthermore.Any connection appropriate can become computer-readable medium.For example, if software is using coaxial cable, light
Fine optical cable, twisted pair, Digital Subscriber Line (Digital Subscriber Line, DSL) or such as infrared ray, radio and
The wireless technology of microwave etc is transmitted from website, server or other remote sources, then coaxial cable, optical fiber cable, double
The wireless technology of twisted wire, DSL or such as infrared ray, wireless and microwave etc includes in the fixing of affiliated medium.Such as this hair
Used in bright, disk (Disk) and dish (disc) include compress optical disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD),
Floppy disk and Blu-ray Disc, the usually magnetic replicate data of which disk, and dish is then with laser come optical replicate data.Group above
Conjunction should also be as including within the protection scope of computer-readable medium.
In short, being not intended to limit of the invention the foregoing is merely the preferred embodiment of technical solution of the present invention
Protection scope.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in
Within protection scope of the present invention.
Claims (11)
1. a kind of battery charging management method, which is characterized in that described method includes following steps:
Detect the charging input current of rechargeable battery；
When charging input current is less than the charging current of setting, charging input current is obtained compared with the charging current of setting
Difference between the input current and the charging current of setting；
The input voltage of the rechargeable battery is adjusted according to the difference between the input current and the charging current of setting.
2. the method according to claim 1, wherein it is described according to the input current and the charging current of setting it
Between difference adjust the input voltage of the rechargeable battery, comprising:
According to the difference between the input current and the charging current of setting multiplied by voltage constant plus the input voltage before adjustment
Value calculates input voltage value adjusted, and input voltage is adjusted to input voltage value adjusted.
3. according to the method described in claim 2, it is characterized in that, according between the input current and the charging current of setting
Difference adjust the input voltage of the rechargeable battery after, the method also includes:
The voltage for detecting rechargeable battery, if the voltage of rechargeable battery is more than voltage threshold, the input voltage for reducing rechargeable battery is straight
Voltage to rechargeable battery is lower than voltage threshold.
4. according to the method described in claim 3, reduction is filled it is characterized in that, the voltage such as rechargeable battery is more than voltage threshold
The input voltage of battery is until the voltage of rechargeable battery is lower than voltage threshold, comprising:
The voltage of such as rechargeable battery is more than voltage threshold, reduces the input of rechargeable battery step by step by preset voltage adjustment grade
Voltage is until the voltage of the rechargeable battery is lower than voltage threshold；
Or rechargeable battery input electricity is obtained multiplied by decompression constant according to the difference between the voltage and voltage threshold of the rechargeable battery
Input voltage is adjusted the input voltage value to adjustment and reduces the difference of voltage value by the reduction voltage value of pressure.
5. a kind of battery charging management device, which is characterized in that described device includes:
Current detecting unit, for detecting the charging input current of rechargeable battery；
Comparing unit, for charging input current to be obtained to the charging of the input current and setting compared with the charging current of setting
Difference between electric current, wherein charging input current is less than the charging current of setting；
Voltage-adjusting unit, for adjusting the rechargeable battery according to the difference between the input current and the charging current of setting
Input voltage.
6. the device according to weighing and require 5, which is characterized in that the voltage-adjusting unit is specifically used for according to input electricity
Difference between stream and the charging current of setting calculates multiplied by voltage constant plus the input voltage value before adjustment adjusted
Input voltage value adjusts input voltage to input voltage value adjusted.
7. device according to claim 5, which is characterized in that described device further include: voltage detection unit, for detecting
The voltage of rechargeable battery；
Voltage-adjusting unit, being also used to the voltage of rechargeable battery such as is more than voltage threshold, and the input voltage for reducing rechargeable battery is straight
Voltage to rechargeable battery is lower than voltage threshold.
8. device according to claim 5, which is characterized in that the voltage-adjusting unit is specific, for such as charging electricity
The voltage in pond is more than voltage threshold, reduces the input voltage of rechargeable battery step by step until the charging by preset voltage adjustment grade
The voltage of battery is lower than voltage threshold；Or according to the difference between the voltage and voltage threshold of the rechargeable battery multiplied by decompression constant
The reduction voltage value of rechargeable battery input voltage is obtained, input voltage is adjusted into the input voltage value to adjustment and reduces voltage
The difference of value.
9. a kind of user equipment, which is characterized in that the user equipment includes: processor, voltage raising and reducing IC, power interface, fills
Battery, digital regulation resistance, current sampling circuit；
Wherein, processor is connect with current sampling circuit, and the charging end of current sampling circuit and rechargeable battery links, current sample
Circuit is also connect with voltage raising and reducing IC, and digital regulation resistance is connect with voltage raising and reducing IC and processor；Voltage raising and reducing IC and power supply
Interface connection；
Current sampling circuit is used to detect the charging input current of rechargable battery；
Processor, for charging input current to be obtained to the charging electricity of the input current and setting compared with the charging current of setting
Difference between stream sends voltage adjustment to digital regulation resistance according to the difference between the input current and the charging current of setting
Order, wherein charging input current is less than the charging current of setting；
Digital regulation resistance controls the input that the voltage raising and reducing IC adjusts the rechargeable battery for adjusting order according to the voltage
Voltage.
10. user equipment according to claim 9, which is characterized in that the user equipment further include: voltage sample list
Member, for sampling the voltage of rechargeable battery, and by the voltage input of the rechargeable battery of the sampling to processor；
Processor, the voltage for such as rechargeable battery are more than voltage threshold, send decompression to digital regulation resistance and order so that number
Potentiometer, which controls voltage raising and reducing IC, reduces the input voltage of rechargeable battery until the voltage of rechargeable battery is lower than voltage threshold.
11. a kind of computer readable storage medium, the storage medium is for storing program, which is characterized in that described program is used for
Execute method as described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910373058.3A CN110212598A (en) | 2016-04-12 | 2016-04-12 | Battery charging management method, apparatus and user equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373058.3A CN110212598A (en) | 2016-04-12 | 2016-04-12 | Battery charging management method, apparatus and user equipment |
| CN201610227615.7A CN105790362A (en) | 2016-04-12 | 2016-04-12 | Battery charging management method and device and user device |
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| CN109149689B (en) * | 2018-08-27 | 2021-03-30 | 出门问问信息科技有限公司 | Wireless charging method and device |
| TWI713371B (en) * | 2019-05-07 | 2020-12-11 | 美律實業股份有限公司 | Headset charging system and headset charging method |
| CN110635186B (en) * | 2019-08-29 | 2021-06-01 | 华为技术有限公司 | Charging method and electronic equipment |
| CN112531826A (en) * | 2020-11-25 | 2021-03-19 | 北京车和家信息技术有限公司 | Vehicle-mounted low-voltage storage battery charging method and device and vehicle |
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