CN106100037B - A kind of charging method and charging unit - Google Patents
A kind of charging method and charging unit Download PDFInfo
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- CN106100037B CN106100037B CN201610528694.5A CN201610528694A CN106100037B CN 106100037 B CN106100037 B CN 106100037B CN 201610528694 A CN201610528694 A CN 201610528694A CN 106100037 B CN106100037 B CN 106100037B
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- electric current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
-
- 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
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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
Abstract
The present invention relates to a kind of charging method and charging unit, above-mentioned charging method includes: to be charged with preset first electric current to the battery of terminal；Monitor the load variation of terminal；When terminal, which loads, to be increased, it is increased to the electric current of terminal loads.Above-mentioned charging method can effectively save the charging time of portable terminal, keep portable terminal charging convenient, greatly improve product overall performance, have the advantages that charging stablizes, is user-friendly.
Description
Technical field
The present invention relates to intelligent terminal technical fields, more particularly to a kind of charging method and charging unit.
Background technique
With the development of network technology, it is raw that portable terminal such as smart phone, tablet computer etc. has become people
Important tool in living and work.As people are more and more frequent to portable terminal use, portable terminal fills
The convenience of electric mode has become an important indicator of evaluation properties of product.
Conventional portable terminal device is filled using fixed charging current charging, such as the charging of 0.5C electric current or 1C electric current
(1C is battery capacity, for example, battery capacity is 3000mA, then 1C electric current is exactly for electricity or the charging of 1.5C electric current etc.
3000mA).Generally, charging current is mainly used for two parts, and a part is available to system load use, and another part is charged into electricity
Pond is battery charge.
The priority of system load consumption electric current is greater than battery charge in conventional portable terminal device charging modes
Priority, that is, charging first has to meet system load consumption, after meeting system load consumption, then provides one to battery and fixes
Battery charge, if charging current there are also extra, is available to system load use, if system load in charging process
Consumption electric current becomes larger, then reduces battery charge to increase system load consumption electric current, meet system load use, at this point,
Remaining battery charge electric current fixed before being less than, the electric current for being charged into battery become smaller, cause the charging time to lengthen, cause
Charging is inconvenient, influences product overall performance.
Summary of the invention
Based on this, it is necessary to aiming at the problem that conventional portable terminal device charges unstable, inconvenient user's use, mention
For a kind of charging method and charging unit.
A kind of charging method, comprising:
It is charged with preset first electric current to the battery of terminal；
Monitor the load variation of terminal；
When terminal, which loads, to be increased, it is increased to the electric current of terminal loads.
After the load variation for monitoring terminal in one of the embodiments, further includes:
When terminal, which loads, to be reduced, it is reduced to the electric current of terminal loads.
The electric current needed for terminal load increases Δ I in one of the embodiments,1When, it is that the electric current of terminal loads increases
Big Δ I1。
Preset first electric current is equal to the maximum charging current of battery in one of the embodiments,.
After the load variation for monitoring terminal in one of the embodiments, further includes:
When terminal, which loads, to be reduced, judge whether preset first electric current is less than the maximum charging current of battery；
If so, charging using preset second electric current as the battery of terminal, wherein preset second electric current is greater than pre-
If the first electric current, and be less than or equal to battery maximum charging current.
A kind of charging unit, comprising:
Battery charging module, for being charged with preset first electric current to the battery of terminal；
Load monitoring module, the load for monitoring terminal change；
Current regulating module, for being increased to the electric current of terminal loads when terminal loads and increases.
Above-mentioned current regulating module is also used to be reduced to terminal when terminal is loaded and reduced in one of the embodiments,
The electric current of load.
Above-mentioned current regulating module in one of the embodiments, is specifically used for:
The electric current needed for terminal load increases Δ I1When, it is that the electric current of terminal loads increases Δ I1。
Preset first electric current is equal to the maximum charging current of battery in one of the embodiments,.
Above-mentioned charging unit in one of the embodiments, further include:
Charging current comparison module, for judging whether preset first electric current is less than battery when terminal is loaded and reduced
Maximum charging current；
Current regulating module is also used to, when preset first electric current is less than the maximum charging current of battery, with preset
Second electric current is that the battery of terminal charges, wherein preset second electric current is greater than preset first electric current, and is less than or waits
In the maximum charging current of battery.
Above-mentioned charging method and device are carried out during giving terminal charge with battery of preset first electric current to terminal
Charging, and the load variation for detecting terminal is increased to the electric current of terminal loads, to realize terminal when terminal, which loads, to be increased
Battery charged with preset first electric current, i.e., the charging current of battery remains unchanged in charging process, guarantee battery stabilization fills
Electricity avoids the charging time caused by increasing because of system load from lengthening, the charging time of conventional portable terminal device is effectively ensured.Cause
This, above-mentioned charging method and device can effectively save the charging time of portable terminal, fill portable terminal
Electricity is convenient, greatly improves product overall performance, has the advantages that battery charging rate is fast, user-friendly.
Detailed description of the invention
Fig. 1 is the flow diagram for the charging method that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides charging method flow diagram；
Fig. 3 is the structural schematic diagram for the charging unit that one embodiment of the invention provides.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The embodiment of the present invention provides a kind of charging method, referring to Fig. 1, including:
102: being charged with preset first electric current to the battery of terminal.
In general, the charging current of terminal includes being supplied to the system load consumption electric current and be charged into electricity that system load uses
The battery charge in pond, the as electric current of terminal loads be equal to battery charging electric current and terminal load needed for electric current it
With.
In the present embodiment, the battery according to preset first electric current to terminal charges, i.e. the battery charge of terminal is
Preset first electric current is always maintained at and is charged with battery of first electric current to terminal, is i.e. the first electric current during the charging process
It immobilizes.
Preferably, the first electric current is the maximum charging current of the battery, i.e. the maximum charging current that can bear of battery.
104: monitoring the load variation of terminal.
Specifically, the variation of system load is monitored during charging the battery, the specific process for monitoring system operation
Quantity and each running state of a process etc. monitor the number of applications of system operation and the operating status respectively applied etc. in other words.When
It monitors that load increases, such as opens one in application, executing step 106 more.
106: when terminal, which loads, to be increased, being increased to the electric current of terminal loads.
Specifically, the electric current for terminal loads increases with the increase of system load, when monitoring system load increase, then
It is increased to the electric current of terminal loads, to meet system load consumption.
Above-mentioned charging method charges to the battery of terminal with preset first electric current, and the load for detecting terminal becomes
Change, when terminal load increase when, be increased to the electric current of terminal loads, with meet system load consumption, thus make battery always with
Preset first electric current charging, avoiding system load from occupying battery charge causes battery charge time to lengthen, and is effectively ensured
Battery charging is stablized, and the charging time is saved.
In one embodiment, after step 104 further include: when terminal, which loads, to be reduced, be reduced to the electricity of terminal loads
Stream.
Specifically, being carried out when the load for monitoring terminal is reduced ensureing to end cell with preset first electric current
Under the premise of charging, it also can reduce as the electric current of the terminal loads, make electric current the subtracting with system load for terminal loads
Reduce less, when monitoring system load reduction, is then reduced to the electric current of terminal loads, power consumption can be saved.
In one embodiment, in step 106, the electric current needed for terminal load increases Δ I1When, it is terminal loads
Electric current increases Δ I1。
Further, the electric current needed for terminal load reduces Δ I2When, it is that the electric current of terminal loads reduces Δ I2.Specifically
, when terminal, which loads, to be increased, electric current needed for first calculating the system load determines the system load compared with before load increase
The electric current Δ I for needing more to consume1, further according to the increase Δ I of system load consumption electric current1Increase the electricity for terminal loads
Stream.It is that the increase of the electric current of terminal loads is equal to the increase Δ I of load consumed current in the present embodiment1.It needs to illustrate
Being is that the increase of the electric current of terminal loads can also consume the increase of electric current slightly larger than system load in other embodiments
Measure Δ I1, to guarantee that system load electric current is in liberal supply, meet system load consumption requirements.When terminal, which loads, to be reduced, first count
Calculate the reduction amount Δ I of system load consumption electric current2, further according to the reduction amount Δ I of system load consumption electric current2It is reduced to end
Hold the electric current of load.It is that the reduction amount of the electric current of terminal loads is equal to the reduction amount that system load consumes electric current in the present embodiment
ΔI2。
In one embodiment, maximum charging current of preset first electric current equal to battery in above-mentioned steps 102.
Specifically, the maximum charging current of battery is the maximum rated charging current of battery.In the present embodiment, preset
One electric current is equal to the maximum charging current of battery, and battery is enable to charge with maximum charging current, is filled with maximum saving
The electric time.It should be noted that in other embodiments, preset first electric current might be less that maximum charging current, preset
The size of the first electric current can be selected according to practical situations, as long as guaranteeing preset first electric current no more than battery
Maximum charging current.
The embodiment of the present invention also provides a kind of charging method, referring to Fig. 2, including:
202: being charged with preset first electric current to the battery of terminal.
In general, the charging current of terminal includes being supplied to the system load consumption electric current and be charged into electricity that system load uses
The battery charge in pond, the as electric current of terminal loads be equal to battery charging electric current and terminal load needed for electric current it
With.
In the present embodiment, the battery according to preset first electric current to terminal charges, i.e. the battery charge of terminal is
Preset first electric current is always maintained at and is charged with battery of first electric current to terminal, is i.e. the first electric current during the charging process
It immobilizes.
Preferably, the first electric current is the maximum charging current of the battery, i.e. the maximum charging current that can bear of battery.
204: monitoring the load variation of terminal.
Specifically, the variation of system is monitored during charging the battery, the specific number of processes for monitoring system operation
And each running state of a process etc., the number of applications of system operation and the operating status respectively applied etc. are monitored in other words.Work as monitoring
Increase to load, such as opens one in application, executing step 206 more；When detecting load reduction, an application is such as closed
When, step 208 is executed to step 210.
206: when terminal, which loads, to be increased, being increased to the electric current of terminal loads.
Specifically, the electric current for terminal loads increases with the increase of system load, when monitoring system load increase, then
It is increased to the electric current of terminal loads, to meet system load consumption.
208: when terminal, which loads, to be reduced, judging whether preset first electric current is less than the maximum charging current of battery.
Specifically, judging whether preset first electric current is less than the maximum charging current of battery when terminal is loaded and reduced.
If preset first electric current is equal to the maximum charging current of battery, it is reduced to according to the reduction amount that system load consumes electric current
The electric current of terminal loads is that the reduction amount of the electric current of terminal loads is equal to the reduction amount that system load consumes electric current.If preset
First electric current is less than the maximum charging current of battery, thens follow the steps 210.
210: if preset first electric current is less than the maximum charging current of battery, using preset second electric current as terminal
Battery charges, wherein preset second electric current is greater than preset first electric current, and is less than or equal to the maximum charge of battery
Electric current.
If preset first electric current be less than battery maximum charging current, using preset second electric current as end cell into
Row charging, specifically, the size of preset second electric current is according to preset first electric current, the maximum charging current and system of battery
The reduction amount of load consumed current is calculated, if preset first electric current is less than the maximum charging current of battery, calculates pre-
If the first electric current and battery maximum charging current the first current differential, whether negative less than system compare the first current differential
The reduction amount of consumption electric current is carried, and obtains preset second electric current according to according to comparison result.
If the first current differential is greater than or equal to the reduction amount of system load consumption electric current, preset second electric current
Equal to the sum of the reduction amount of preset first electric current and system load consumption electric current, i.e., the electric current reduced system consumption is all used
It is equal to the reduction amount of system load consumption electric current in the incrementss for end cell charging, battery charge, at this point, preset
Second electric current is less than or equal to the maximum charging current of battery.
If the first current differential is less than the reduction amount of system load consumption electric current, preset second electric current is equal to pre-
If the first electric current and the sum of the first current differential.At this point, continuing the reduction amount and the first electricity of computing system load consumed current
The second current differential for flowing difference, the electric current of terminal loads is reduced to further according to the second current differential.That is, system consumption is reduced
Electric current a part be used for for end cell charge, and system consumption reduce electric current be used for for battery charging part electricity
Flow is equal to the first current differential, and the incrementss of battery charge are equal to the first current differential, at this point, preset second electric current
Equal to the maximum charging current of battery.Due to only a part for the electric current that system consumption reduces being used to charge just for end cell
The maximum charging current of battery is reached, therefore, there are also remaining for the electric current that system consumption reduces.At this point, computing system load disappears
The reduction amount of power consumption stream and the second current differential of the first current differential obtain the surplus of the electric current of system consumption reduction, then
The electric current for being reduced to terminal loads according to the surplus, i.e. the second current differential.
The charging method of the present embodiment charges to the battery of terminal with preset first electric current, and detects terminal
Load variation is increased to the electric current of terminal loads when terminal, which loads, to be increased, to meet system load consumption, when terminal loads
When reduction, it is reduced to the electric current of terminal loads.The charging method of the present embodiment makes battery charge with preset first electric current always,
Avoiding system load from occupying battery charge causes battery charge time to lengthen, and battery charging is effectively ensured and stablizes, saving is filled
Electric time, also, when the load decreases judges whether preset first electric current is less than the maximum charging current of battery, and according to
Comparison result will load the part that charging current reduces and be used for battery charging or reduce whole charging current, being capable of effectively save electricity
Can, energy waste is avoided, meanwhile, the part that will load charging current reduction, which is used for battery charging, can also further increase battery
Charging rate saves the charging time.
In one embodiment, in step 206, the electric current needed for terminal load increases Δ I1When, it is terminal loads
Electric current increases Δ I1。
Specifically, electric current needed for first calculating the system load determines before increasing with load when terminal loads and increases
Need the electric current Δ I consumed compared to system load more1, further according to the increase Δ I of system load consumption electric current1Increase is
The electric current of terminal loads.It is that the increase of the electric current of terminal loads is equal to the increase Δ of load consumed current in the present embodiment
I1.It should be noted that in other embodiments, the increase for the electric current of terminal loads can also disappear slightly larger than system load
The increase Δ I of power consumption stream1, to guarantee that system load electric current is in liberal supply, meet system load consumption requirements.
In one embodiment, maximum charging current of preset first electric current equal to battery in above-mentioned steps 202.
Specifically, the maximum charging current of battery is the maximum rated charging current of battery.In the present embodiment, preset
One electric current is equal to the maximum charging current of battery, and battery is enable to charge with maximum charging current, is filled with maximum saving
The electric time.It should be noted that in other embodiments, preset first electric current might be less that maximum charging current, preset
The size of the first electric current can be selected according to practical situations, as long as guaranteeing preset first electric current no more than battery
Maximum charging current.
Referring to Fig. 3, a kind of charging unit, comprising:
Battery charging module 302, for being charged with preset first electric current to the battery of terminal.
Load monitoring module 304, the load for monitoring terminal change.
Current regulating module 306, for being increased to the electric current of terminal loads when terminal loads and increases.
It should be noted that in embodiments of the present invention, the sum of electric current needed for the electric current of battery charging and terminal load
It is equal to the electric current of terminal loads.
In one embodiment, current regulating module 306 is also used to be reduced to terminal loads when terminal is loaded and reduced
Electric current.
In one embodiment, current regulating module 306 is specifically used for: the electric current needed for terminal load increases Δ I1
When, it is that the electric current of terminal loads increases Δ I1；And for the less Δ I of electric current needed for terminal2When, it is the electricity of terminal loads
Stream reduces Δ I2。
Preferably, above-mentioned preset first electric current is equal to the maximum charging current of battery.
In one embodiment, above-mentioned charging unit further include:
Charging current comparison module, for judging whether preset first electric current is less than battery when terminal is loaded and reduced
Maximum charging current.
Current regulating module 306 is also used to determine that preset first electric current is less than battery most when charging current comparison module
It when big charging current, charges using preset second electric current as the battery of terminal, wherein preset second electric current is greater than default
The first electric current, and be less than or equal to battery maximum charging current.
In this way in the case where guaranteeing that battery carries out charging situation with constant current, the charging rate of battery is accelerated.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of charging method characterized by comprising
It is charged with preset first electric current to the battery of terminal；
Monitor the load variation of the terminal；
When terminal load increases, increases the required electric current of terminal load and keep the first electric current of battery charging not
Become；
When terminal load is reduced, reduces the required electric current of terminal load and keep the first electric current of battery charging not
Become；
Wherein, during the charging, be always maintained at changeless first electric current to the battery of the terminal into
Row charging.
2. the method according to claim 1, wherein the electric current needed for terminal load increases Δ I1When, it is
The electric current of the terminal loads increases Δ I1。
3. the method according to claim 1, wherein the load variation of the monitoring terminal specifically includes prison
The number of processes and each running state of a process of examining system operation or the number of applications of monitoring system operation and the fortune respectively applied
Row state.
4. the method according to claim 1, wherein after the load variation of the monitoring terminal, further includes:
When the terminal, which loads, to be reduced, judge whether preset first electric current is less than the maximum charge electricity of the battery
Stream；
If so, being charged with the battery that preset second electric current is the terminal, wherein preset second electric current is big
In preset first electric current, and it is less than or equal to the maximum charging current of the battery.
5. a kind of charging unit characterized by comprising
Battery charging module, for being charged with preset first electric current to the battery of terminal；
Load monitoring module, the load for monitoring the terminal change；
Current regulating module, for increasing the electric current needed for terminal loads and keeping battery when the terminal loads and increases
First electric current of charging is constant, and the current regulating module is also used to reduce terminal when the terminal is loaded and reduced and load institute
Need electric current and keep battery charge the first electric current it is constant；
Wherein, during the charging, be always maintained at changeless first electric current to the battery of the terminal into
Row charging.
6. charging unit according to claim 5, which is characterized in that the current regulating module is specifically used for:
The electric current needed for terminal load increases Δ I1When, it is that the electric current of the terminal loads increases Δ I1。
7. charging unit according to claim 5, which is characterized in that preset first electric current is equal to the battery
Maximum charging current.
8. charging unit according to claim 5, which is characterized in that further include:
Charging current comparison module, for judging whether preset first electric current is less than when the terminal is loaded and reduced
The maximum charging current of the battery；
The current regulating module is also used to, when preset first electric current is less than the maximum charging current of the battery,
It being charged with the battery that the second electric current is the terminal, wherein second electric current is greater than preset first electric current, and
Less than or equal to the maximum charging current of the battery.
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| CN201610528694.5A CN106100037B (en) | 2016-07-06 | 2016-07-06 | A kind of charging method and charging unit |
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| CN201610528694.5A CN106100037B (en) | 2016-07-06 | 2016-07-06 | A kind of charging method and charging unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106772092B (en) * | 2017-01-03 | 2020-11-13 | 惠州Tcl移动通信有限公司 | Charging current setting system and method for obtaining battery voltage based on mobile terminal |
| CN109995112B (en) * | 2019-04-04 | 2022-09-02 | 合肥联宝信息技术有限公司 | Power supply management method and device |
| CN114079302B (en) * | 2020-08-18 | 2022-12-02 | 荣耀终端有限公司 | Charging circuit, charging chip, electronic device and charging method |
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| CN103997076A (en) * | 2014-04-02 | 2014-08-20 | 广州三星通信技术研究有限公司 | Charging circuit in portable electronic device |
| CN104917241A (en) * | 2015-06-15 | 2015-09-16 | 陆俊 | Control method for charging current of mobile terminal and mobile terminal |
| CN105591440A (en) * | 2016-02-25 | 2016-05-18 | 努比亚技术有限公司 | Mobile terminal charging control device and mobile terminal charging control method |
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| CN101099280A (en) * | 2005-01-06 | 2008-01-02 | 日本电气株式会社 | Mobile telephone terminal charging control device and charging control method |
| CN103997076A (en) * | 2014-04-02 | 2014-08-20 | 广州三星通信技术研究有限公司 | Charging circuit in portable electronic device |
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