CN105846485A - Battery charging current adjusting method and device - Google Patents
Battery charging current adjusting method and device Download PDFInfo
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- CN105846485A CN105846485A CN201510024714.0A CN201510024714A CN105846485A CN 105846485 A CN105846485 A CN 105846485A CN 201510024714 A CN201510024714 A CN 201510024714A CN 105846485 A CN105846485 A CN 105846485A
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- accumulator
- current value
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- charging current
- charging
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- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a battery charging current adjusting method comprising the following steps: acquiring the current power information and the current value of charging current of a battery; acquiring a reference current value corresponding to the current power information of the battery according to a preset mapping relationship between power information and reference current values; comparing the current value of charging current with the acquired reference current value; and when the current value of charging current is greater than the acquired reference current value, adjusting the value of charging current to the reference current value to charge the battery. The invention further discloses a battery charging current adjusting device. According to the battery charging current adjusting method and the battery charging current adjusting device of the invention, large battery loss caused by battery charging at too large current is avoided, the charging loss of batteries is reduced, and the service life of batteries is prolonged.
Description
Technical field
The present invention relates to charging and control technical field, particularly relate to the charging current regulation side of a kind of accumulator
Method and device.
Background technology
Along with science and technology develop rapidly and to save the energy attention, the product of self power generation get more and more.
Self power generation product is that accumulator is entered by the electric energy produced by power generation part (as a example by solar panel)
Row charging, and the electrical power storage that power generation part is produced.
Owing to the generated output of solar panel is as the power of the light being radiated on solar panel
And convert, when the light that is irradiated on solar panel is more weak, the generated output of solar panel is relatively
Little, on the contrary then the generated output of solar panel is bigger；So, the charging current of accumulator is also not
Disconnected change, when generated output is bigger, the charging current of accumulator is higher, accumulator when generated output is less
Charging current less.As it is shown in figure 1, the SOC of accumulator (state of charge, state-of-charge)
Increasing with the increase of charging interval t, and maximum charging current I the filling along with accumulator of accumulator
The electricity increase of time t and be gradually reduced, maximum charging current I is the electricity ensureing the minimum precipitation of accumulator gas
Stream.And current self power generation product is to use the instant maximum generation power generated electricity to charge accumulator all the time,
Until accumulator is full of, causes accumulator in charging process, be chronically at larger current charging, cause
The service life of accumulator is greatly shortened.
Therefore, need the charging current control program proposing a kind of accumulator badly, to increase the life-span of accumulator.
Summary of the invention
Present invention is primarily targeted at charging current control method and device, the purport proposing a kind of accumulator
Solving the technical problem that service lifetime of accumulator is the shortest.
For achieving the above object, the present invention provides the charging current control method of a kind of accumulator, described storage
The charging current control method of battery includes:
Obtain the current information about power of accumulator and the present current value of charging current；
According to the mapping relations preset between information about power and reference current value, obtain described accumulator current
The reference current value corresponding to information about power；
Described present current value is compared with the described reference current value got；
When described present current value is more than the described reference current value got, by described charging current
Current value adjustment is described reference current value, to be charged accumulator.
Preferably, described, described present current value is compared with the described reference current value got
Step after, the charging current control method of described accumulator also includes:
When described present current value is less than or equal to the described reference current value got, make described charged electrical
Accumulator is charged by stream with described present current value.
Preferably, the charging current control method of described accumulator also includes:
When described accumulator is fully charged, end described charging current to stop described accumulator is filled
Electricity.
Preferably, described information about power is electricity percentage ratio or charge value.
Additionally, for achieving the above object, the present invention also provides for the charging current adjusting means of a kind of accumulator,
The charging current adjusting means of described accumulator includes:
First acquiring unit, for obtaining the current information about power of accumulator and the current flow of charging current
Value；
Second acquisition unit, is used for according to the mapping relations preset between information about power and reference current value,
Obtain the reference current value corresponding to the information about power that described accumulator is current；
Comparing unit, for comparing described present current value with the described reference current value got；
Regulation unit, is used for when described present current value is more than the described reference current value got, will
The current value adjustment of described charging current is described reference current value, to be charged accumulator.
Preferably, described regulation unit is additionally operable at described present current value less than or equal to described in getting
During reference current value, described charging current is made with described present current value, accumulator to be charged.
Preferably, described regulation unit is additionally operable to, when described accumulator is fully charged, end described charged electrical
Flow to stop described accumulator is charged.
Preferably, described information about power is electricity percentage ratio or charge value.
The charging current control method of the accumulator of the present invention and device, obtain the electricity of accumulator by detecting
Amount information to obtain the current value of accumulator current state preferably charging current, current by charging current
Current value compares with the current state obtained preferably charging current value, and current in charging current
Current value exceed described in preferably charging current value time, the current value adjustment of charging current is restricted to this relatively
Good charging current value, thus avoid the super-high-current charging of accumulator and cause the bigger damage of accumulator
Consumption, reduces the charge loss of accumulator, extends the service life of accumulator.
Accompanying drawing explanation
Fig. 1 is the graph of relation of accumulator maximum charging current and state-of-charge and charging interval；
Fig. 2 is the schematic flow sheet of the charging current control method first embodiment of accumulator of the present invention；
Fig. 3 is the schematic flow sheet of charging current control method second embodiment of accumulator of the present invention；
Fig. 4 is the high-level schematic functional block diagram of the charging current adjusting means preferred embodiment of accumulator of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further
Explanation.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention.
The present invention provides the charging current control method of a kind of accumulator.
Flow process with reference to the charging current control method first embodiment that Fig. 2, Fig. 2 are accumulator of the present invention is shown
It is intended to.
In the first embodiment, the charging current control method of this accumulator includes:
Step S10, obtains the current information about power of accumulator and the present current value of charging current；
The current electric quantity information of detection accumulator and the present current value of charging current.In the present embodiment, electricity
Amount information is electricity percentage ratio or charge value, and this electricity percentage ratio can be that charge volume accounts for accumulator and always holds
The percentage ratio of amount, it is also possible to be the percentage ratio accounting for the total electricity of accumulator for full electricity.Accumulator be with
Charger connects, and power generation part is by output electric current to charger, and charger exports charging current again to storing
Battery, to be charged accumulator.
Step S20, according to the mapping relations preset between information about power and reference current value, obtains described storage
The reference current value corresponding to information about power that battery is current；
The corresponding reference current value of each information about power.Information about power can be pre-with reference current value
First set up mapping table, can get, by looking into mapping table, the reference current that the current information about power of accumulator is corresponding
Value.Gassing volume less current value when reference current value is for making accumulator charge, joins in the present embodiment
Examine current value and can be preferably the maximum charging current I of accumulator as shown in Figure 1, even if accumulator is filled
The current value that during electricity, gassing volume is minimum.
Step S30, compares described present current value with the described reference current value got；
By reference current corresponding with current electric quantity information for the present current value of the charging current of described accumulator
Value compares size, to judge whether the current charging current of accumulator has exceeded reference current value.
Step S40, when described present current value is more than the described reference current value got, fills described
The current value adjustment of electricity electric current is described reference current value, to be charged accumulator.
Judging that the current charging current obtaining accumulator has exceeded the reference current that current electric quantity information is corresponding
During value, the current value adjustment of described charging current is restricted to the reference current value that current electric quantity information is corresponding,
Avoid causing gas evolution more due to the charging of accumulator super-high-current, reduce the loss to battery.
The charging current control method of the accumulator that the present embodiment proposes, obtains the electricity of accumulator by detecting
Amount information to obtain the current value of accumulator current state preferably charging current, current by charging current
Current value compares with the current state obtained preferably charging current value, and current in charging current
Current value exceed described in preferably charging current value time, the current value adjustment of charging current is restricted to this relatively
Good charging current value, thus avoid the super-high-current charging of accumulator and cause the bigger damage of accumulator
Consumption, reduces the charge loss of accumulator, extends the service life of accumulator.
Further, implement with reference to the charging current control method second that Fig. 3, Fig. 3 are accumulator of the present invention
The schematic flow sheet of example.
In a second embodiment, the charging current control method of this accumulator, after step S30, also wraps
Include:
Step S50, when described present current value is less than or equal to the described reference current value got, makes institute
State charging current with described present current value, accumulator to be charged.
At the reference current that the information about power that the present current value of charging current is current not less than accumulator is corresponding
During value, illustrate that the charging current of accumulator did not had stream, keep charging current with described present current value pair
Accumulator is charged, owing to the present current value of this charging current is power generation part maximum generation power pair
The maximum current answered, therefore maintains current maximum charge efficiency, charging rate faster, accumulator energy
Faster it is full of.Certainly, when described present current value is less than or equal to the described reference current value got,
The charging current that accumulator is provided by the electric current of the output of other power generation part can also be charged,
Etc. other operation.
Further, to be additionally included in described accumulator fully charged for the charging current control method of described accumulator
Time, end described charging current to stop described accumulator is charged.
When determining accumulator and being fully charged, cut-off charging current, to stop charging accumulator, prevents from storing
Battery surcharge and accumulator is caused loss, and then cause shorten the service life of accumulator.Permissible
Determine that accumulator is the most fully charged by the information about power got, i.e. the electricity percentage ratio in accumulator reaches
When electricity to a hundred per cent or accumulator reaches the capability value of accumulator, it is defined as accumulator fully charged.
The present invention also provides for the charging current adjusting means of a kind of accumulator.
Module with reference to the charging current control method preferred embodiment that Fig. 4, Fig. 4 are accumulator of the present invention is shown
It is intended to.
In the preferred embodiment, the charging current adjusting means of this accumulator includes:
First acquiring unit 10, for obtaining the current electricity of the current information about power of accumulator and charging current
Flow valuve；
First acquiring unit 10 obtains the current electric quantity information of accumulator, and obtains the current electricity of charging current
Flow valuve.In the present embodiment, information about power is electricity percentage ratio or charge value, and this electricity percentage ratio can be
Charge volume accounts for the percentage ratio of accumulator total capacity, it is also possible to be to account for the total electricity of accumulator for full electricity
Percentage ratio.Accumulator is to be connected with charger, and power generation part is by output electric current to charger, charging
Device exports charging current again to accumulator, to be charged accumulator.
Second acquisition unit 20, is used for according to the mapping relations preset between information about power and reference current value,
Obtain the reference current value corresponding to the information about power that described accumulator is current；
The corresponding reference current value of each information about power.Information about power can be pre-with reference current value
First set up mapping table, then second acquisition unit 20 can get, by looking into mapping table, the electricity letter that accumulator is current
The reference current value that breath is corresponding.Gassing volume less electric current when reference current value is for making accumulator charge
Value, in the present embodiment, reference current value can be preferably the maximum charge electricity of accumulator as shown in Figure 1
Stream I, though the current value that during accumulator charging, gassing volume is minimum.
Comparing unit 30, for comparing described present current value with the described reference current value got
Relatively；
Comparing unit 30 is by ginseng corresponding with current electric quantity information for the present current value of the charging current got
Examine current value to carry out size and compare, to judge whether the current charging current of accumulator has exceeded reference current
Value.
Regulation unit 40, is used for when described present current value is more than the described reference current value got,
It is described reference current value by the current value adjustment of described charging current, so that accumulator is charged.
Judge that the current charging current obtaining accumulator has exceeded current electric quantity information correspondence at comparing unit 30
Reference current value time, regulation unit 40 current value adjustment of described charging current is restricted to current electric quantity
The reference current value that information is corresponding, it is to avoid cause gas evolution more due to the charging of accumulator super-high-current,
Reduce the loss to battery.
The charging current adjusting means of the accumulator that the present embodiment proposes, obtains the electricity of accumulator by detecting
Amount information to obtain the current value of accumulator current state preferably charging current, current by charging current
Current value compares with the current state obtained preferably charging current value, and current in charging current
Current value exceed described in preferably charging current value time, the current value adjustment of charging current is restricted to this relatively
Good charging current value, thus avoid the super-high-current charging of accumulator and cause the bigger damage of accumulator
Consumption, reduces the charge loss of accumulator, extends the service life of accumulator.
Further, described regulation unit 40 is additionally operable at described present current value less than or equal to getting
During described reference current value, described charging current is made with described present current value, accumulator to be charged.
Comparing unit 30 is corresponding at the information about power that the present current value of charging current is current not less than accumulator
Reference current value time, illustrate that the charging current of accumulator did not had stream, keep charging current to work as with described
Accumulator is charged by front current value, owing to the present current value of this charging current is that power generation part is maximum
The maximum current that generated output is corresponding, therefore maintains current maximum charge efficiency, charging rate faster,
Accumulator can faster be full of.Certainly, comparing unit 30 can also be at described present current value less than or equal to obtaining
During the described reference current value got, accumulator is provided by the electric current of the output of other power generation part
Charging current is charged, etc. other operation.
Further, described regulation unit 40 is additionally operable to, when described accumulator is fully charged, fill described in cut-off
Electricity electric current is to stop being charged described accumulator.
When determining accumulator and being fully charged, charging current is ended to stop accumulator by regulation unit 40
Charging, prevents accumulator surcharge from accumulator causing loss, and then causes the use longevity of accumulator
Life shortens.Can determine that accumulator is the most fully charged, i.e. in accumulator by the information about power got
When electricity percentage ratio reaches absolutely or the electricity of accumulator reaches the capability value of accumulator, it is defined as storing
Battery is fully charged.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every
Utilize equivalent structure or equivalence flow process conversion that description of the invention and accompanying drawing content made, or directly or
Connect and be used in other relevant technical fields, be the most in like manner included in the scope of patent protection of the present invention.
Claims (8)
1. the charging current control method of an accumulator, it is characterised in that the charged electrical of described accumulator
Stream control method includes:
Obtain the current information about power of accumulator and the present current value of charging current；
According to the mapping relations preset between information about power and reference current value, obtain described accumulator current
The reference current value corresponding to information about power；
Described present current value is compared with the described reference current value got；
When described present current value is more than the described reference current value got, by described charging current
Current value adjustment is described reference current value, to be charged accumulator.
2. the charging current control method of accumulator as claimed in claim 1, it is characterised in that in institute
After stating the step described present current value and the described reference current value got compared, described
The charging current control method of accumulator also includes:
When described present current value is less than or equal to the described reference current value got, make described charged electrical
Accumulator is charged by stream with described present current value.
3. the charging current control method of accumulator as claimed in claim 1, it is characterised in that described
The charging current control method of accumulator also includes:
When described accumulator is fully charged, end described charging current to stop described accumulator is filled
Electricity.
4. the charging current control method of accumulator as claimed any one in claims 1 to 3, it is special
Levying and be, described information about power is electricity percentage ratio or charge value.
5. the charging current adjusting means of an accumulator, it is characterised in that the charged electrical of described accumulator
Flow modulation device includes:
First acquiring unit, for obtaining the current information about power of accumulator and the current flow of charging current
Value；
Second acquisition unit, is used for according to the mapping relations preset between information about power and reference current value,
Obtain the reference current value corresponding to the information about power that described accumulator is current；
Comparing unit, for comparing described present current value with the described reference current value got；
Regulation unit, is used for when described present current value is more than the described reference current value got, will
The current value adjustment of described charging current is described reference current value, to be charged accumulator.
6. the charging current adjusting means of accumulator as claimed in claim 5, it is characterised in that described
Regulation unit is additionally operable to, when described present current value is less than or equal to the described reference current value got, make
Accumulator is charged by described charging current with described present current value.
7. the charging current adjusting means of accumulator as claimed in claim 5, it is characterised in that described
Regulation unit is additionally operable to when described accumulator is fully charged, ends described charging current to stop described storage
Battery is charged.
8. the charging current adjusting means of the accumulator as according to any one of claim 5 to 7, it is special
Levying and be, described information about power is electricity percentage ratio or charge value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024714.0A CN105846485A (en) | 2015-01-16 | 2015-01-16 | Battery charging current adjusting method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024714.0A CN105846485A (en) | 2015-01-16 | 2015-01-16 | Battery charging current adjusting method and device |
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| CN201510024714.0A Pending CN105846485A (en) | 2015-01-16 | 2015-01-16 | Battery charging current adjusting method and device |
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Cited By (5)
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| WO2018054142A1 (en) * | 2016-09-20 | 2018-03-29 | 华为技术有限公司 | Charging circuit, terminal, and charging system |
| CN110176795A (en) * | 2019-05-30 | 2019-08-27 | Oppo广东移动通信有限公司 | Charging method and device, charging system, electronic equipment, storage medium |
| CN111463861A (en) * | 2020-04-10 | 2020-07-28 | 东莞龙升电子有限公司 | Method and device for controlling charger switch, computer equipment and storage medium |
| CN112736311A (en) * | 2021-01-08 | 2021-04-30 | 恒大新能源汽车投资控股集团有限公司 | Storage battery charging method and device and electronic equipment |
| CN116094012A (en) * | 2023-02-15 | 2023-05-09 | 中国铁塔股份有限公司 | Power supply system scheduling method and related equipment |
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| CN116094012A (en) * | 2023-02-15 | 2023-05-09 | 中国铁塔股份有限公司 | Power supply system scheduling method and related equipment |
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