CN102403546B - Electronic apparatus and charging method thereof - Google Patents
Electronic apparatus and charging method thereof Download PDFInfo
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- CN102403546B CN102403546B CN201010285545.3A CN201010285545A CN102403546B CN 102403546 B CN102403546 B CN 102403546B CN 201010285545 A CN201010285545 A CN 201010285545A CN 102403546 B CN102403546 B CN 102403546B
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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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Abstract
An electronic apparatus and a charging method thereof. The electronic apparatus is provided with a cell and is connected to a power supply. The method comprises steps of: determining whether a present time of the electronic apparatus is in a specific time interval; if it is, determining whether residual electric quantity of the cell is larger than an electric quantity lower limit. If the residual electric quantity of the cell is larger than the electric quantity lower limit, charging to the cell is stopped and the cell is used for maintaining running of the electronic apparatus. If the residual electric quantity of the cell is smaller than or equal to the electric quantity lower limit, power supply is controlled to carry out an intermittent charge on the cell according to the electric quantity lower limit. besides, if the present time of the electronic apparatus is not in a specific time interval, usually a normal charging program is carried out to charge the cell. Switching among different charging programs is used to effectively charge the electronic apparatus and further reach a goal of saving electric charge.
Description
Technical field
The invention relates to a kind of charging method, and relate to especially a kind of electronic installation of charging method and the use the method that can switch different charging procedures.
Background technology
Under industrial and commercial social environment, modern's life step is accelerated and everything stresses efficiency, and for meeting the requirement of the ease of use of modern to electronic product, electronic product is also gradually towards microminiaturized, Portable, and wireless transmission development.
With notebook computer, not only possess and almost similar calculation process ability of desktop PC, its locomotivity more allows need to can process file whenever and wherever possible the user who goes hither and thither, send and receive e-mail, browse network, and play multimedia file.But user just must be dependent on the electric power of battery to maintain the running of notebook computer in the time going out.Base this, concerning most user, at home or when the fixed point environment such as office uses notebook computer, most likely connect power supply and then battery maintained always with power-supply adapter (power adapter) and fill full state.
Although such mode is had an opportunity, minimizing, because battery electric quantity exhausts the awkward situation that cannot use notebook computer in the time going out, continues battery charging also easily to produce the too high electricity charge in non-essential situation.And for the day by day earth environment of shortage of resource, have no temperately battery to be charged and more can cause the waste of electric power resource, and then earth environment is produced to quite negative impact.
Summary of the invention
In view of this, the invention provides a kind of charging method, can take different modes to charge to electronic installation according to the difference of the current residing time interval of electronic installation.
The invention provides a kind of electronic installation, can determine whether battery is charged according to the dump energy of time and battery, and can adopt according to the difference of time point different charging procedures in the time determining charging.
The present invention proposes a kind of charging method, for disposing battery and being connected to the electronic installation of power supply.The method comprises that whether the current time that judges electronic installation is in special time interval.If in special time interval, judge whether the dump energy of battery is greater than electric weight lower limit.If dump energy is greater than electric weight lower limit, only maintain the running of electronic installation with battery.If dump energy is less than or equal to electric weight lower limit, before leaving special time interval in the current time of electronic installation, according to electric weight lower limit control power supply, battery is carried out to an intermittent charge program.
In one embodiment of this invention, wherein in the current time that judges electronic installation whether after the step in special time interval, the method is also included in the current time not in the time that special time is interval, and the electric weight that utilizes power supply to continue to charge to battery to battery is full of completely or power supply cannot be to till battery charging.
In one embodiment of this invention, the step that wherein maintains the running of electronic installation with battery also comprises and stops utilizing power supply to charge to battery, and reduces the power consumption of at least one particular element in electronic installation.
The step of in one embodiment of this invention, wherein according to electric weight lower limit control power supply, battery being carried out to intermittent charge program comprises according to the corresponding electric weight upper limit of setting of electric weight lower limit.Wherein, the electric weight upper limit is greater than electric weight lower limit.Battery charged and the electric weight of battery is arrived after the electric weight upper limit at control power supply, stopping utilizing power supply to charge to battery, and only maintain the running of electronic installation with battery, and reduce the power consumption of at least one particular element in electronic installation.
In one embodiment of this invention, wherein comprise according to the corresponding step of setting the electric weight upper limit of electric weight lower limit the remaining time of leaving special time interval according to the current time judgement of electronic installation.Calculate the required electric weight that maintains electronic installation running within remaining time.Be less than or equal under electric weight and prescribe a time limit at required electric weight, be used as the electric weight upper limit with the summation of electric weight lower limit and a default electric weight.Be more than or equal under electric weight and prescribe a time limit at required electric weight in addition, using required electric weight as the electric weight upper limit.
From another viewpoint, the present invention proposes a kind of electronic installation, and it comprises battery, power-supply adapter, basic input output system, and embedded controller.Wherein, power-supply adapter is in order to supply power to electronic installation.Basic input output system in order to current time of judging electronic installation whether in special time interval.Embedded controller couples battery, power-supply adapter and basic input output system.Judge that in basic input output system the current time of electronic installation is in the time that special time is interval, embedded controller judges whether the dump energy of battery is greater than electric weight lower limit.If dump energy is greater than electric weight lower limit, electronic installation can only maintain running with battery.If dump energy is less than or equal to electric weight lower limit, before basic input output system judges that the current time of electronic installation is left special time interval, embedded controller will carry out an intermittent charge program with power supply to battery according to electric weight lower limit control power-supply adapter so.
In one embodiment of this invention, the current time of wherein judging electronic installation in basic input output system, the electric weight that embedded controller controls power-supply adapter continues to charge to battery with power supply to battery is full of completely or power supply cannot be to till battery charging not in the time that special time is interval.
In one embodiment of this invention, be wherein greater than under electric weight and prescribe a time limit at dump energy, embedded controller controls power-supply adapter stops with power supply, battery being charged, and basic input output system can reduce the power consumption of at least one particular element in electronic installation.
In one embodiment of this invention, wherein embedded controller is according to the corresponding electric weight upper limit of setting of electric weight lower limit, and this electric weight upper limit is greater than electric weight lower limit.Battery is charged with power supply at power-supply adapter until the electric weight of battery arrives after the electric weight upper limit, embedded controller controls power-supply adapter stops with power supply, battery being charged, and electronic installation can only maintain running with battery, and basic input output system can reduce the power consumption of at least one particular element in electronic installation.
In one embodiment of this invention, wherein basic input output system is left the remaining time in special time interval according to the current time judgement of electronic installation, and will be sent to embedded controller remaining time.Embedded controller calculates the required electric weight that maintains electronic installation running within remaining time, and be less than or equal under electric weight and prescribe a time limit at required electric weight, using the summation of electric weight lower limit and a default electric weight as the electric weight upper limit, and be greater than under electric weight and prescribe a time limit at required electric weight, using required electric weight as the electric weight upper limit.
Based on above-mentioned, the present invention will charge or maintain the running of electronic installation with current electric power battery according to the battery dump energy judgement of electronic installation in special time interval.Accordingly, can effectively determine needs the opportunity of charging and determines charge capacity, avoids in non-essential situation for a long time to battery charging, to reach the object of not wasting electric power resource.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate appended graphic being described in detail below.
Accompanying drawing explanation
Fig. 1 is the calcspar of the electronic installation that illustrates according to one embodiment of the invention.
Fig. 2 is the flow chart of the charging method that illustrates according to one embodiment of the invention.
Fig. 3 is the flow chart of the charging method that illustrates according to another embodiment of the present invention.
[main element label declaration]
100: electronic installation
110: battery
120: power-supply adapter
130: basic input output system
140: embedded controller
210～250: each step of the charging method described in one embodiment of the invention
310～360: each step of the charging method described in another embodiment of the present invention
Embodiment
Fig. 1 is the calcspar of the electronic installation that illustrates according to one embodiment of the invention.Refer to Fig. 1, electronic installation 100 comprises battery 110, power-supply adapter (power adapter) 120, basic input output system (Basic Input/Output System, BIOS) 130, and embedded controller 140.In the present embodiment, electronic installation 100 is for example notebook computer, but the present invention is not as limit.
Wherein, power-supply adapter 120 is in order to receive power supply and power supply is supplied to electronic installation 100.For example, power-supply adapter 120 receives AC power with power line gang socket, and offers electronic installation 100 after AC power is converted to DC power supply.
Basic input output system 130 is responsible for linking up between the computer hardware of electronic installation 100 and operating system.In the present embodiment, basic input output system 130 is also special in to obtain the current time of electronic installation 100, and judges that according to this whether the current time is in special time interval.In one embodiment, special time interval is for example the electricity consumption spike period, but the present invention is not as limit.For example, electronic installation 100 can provide an inputting interface to allow user set voluntarily rising up to time point of electricity consumption spike period, and whether the current time that basic input output system 130 just can judge electronic installation 100 according to the numerical value of user's input is in the electricity consumption spike period.In addition, basic input output system 130 also can be by the mixed-media network modules mixed-media of electronic installation 100 (not illustrating) interconnection network, to obtain the electricity consumption spike period of electronic installation 100 positions, and then whether the current time that judges electronic installation 100 is in the electricity consumption spike period.
Embedded controller 140 couples battery 110, power-supply adapter 120 and basic input output system 130.Embedded controller 140 is for example keyboard controller (Keyboard Controller, KBC), determine whether in order to the judged result that provides according to basic input output system 130 and the dump energy of battery 110 mode adopting when electronic installation 100 is charged and charged.
In order to further illustrate the detailed function mode of electronic installation 100, below especially exemplified by another embodiment come the present invention will be described.Fig. 2 is the flow chart of the charging method that illustrates according to one embodiment of the invention, please refer to Fig. 1 and Fig. 2.
First in step 210, basic input output system 130 obtained after the current time of electronic installation 100, judged that whether the current time is in special time interval.
If the time is not in special time interval at present, as shown in step 220, embedded controller 140 can be controlled power-supply adapter 120, with power supply, battery 110 be carried out to general charging procedure before special time interval the current time of judging electronic installation 100 in basic input output system 130.Wherein, power-supply adapter 120 is in the time carrying out general charging procedure, till continuing to use power supply that the electric weight of battery 110 is full of maybe cannot uses power supply to charge to battery 110 completely.
But in current time, in the time that special time is interval, then, as shown in step 230, embedded controller 140 judges whether the dump energy of battery 110 is greater than default electric weight lower limit.In the present embodiment, can provide an interface to allow user set electric weight lower limit by basic input output system 130.And the setting of electric weight lower limit is to guarantee minimum its value that can not be less than of the remaining electric weight of battery 110.
If dump energy is less than or equal to electric weight lower limit, as shown in step 240, before basic input output system 130 judges that the current time of electronic installation 100 is left special time interval, embedded controller 140 can be controlled power-supply adapter 120 according to electric weight lower limit, with power supply, battery 110 be carried out to an intermittent charge program.In the present embodiment, power-supply adapter 120 can't be full of the electric weight of battery 110 in the time carrying out intermittent charge program, but the indication that can make according to embedded controller 140 reference electric quantity lower limits is only charged to specific electric weight by battery 110.
And prescribe a time limit when dump energy is greater than under electric weight, represent that battery 110 has operational electric weight, therefore, as shown in step 250, embedded controller 140 can be controlled power-supply adapters 120 and stop with power supply, battery 110 being charged.In other words, now electronic installation 100 is that the electric power of being only dependent in battery 110 maintains running.And basic input output system 130 can be linked up by interrupt mechanism and the operating system that runs on electronic installation 100, and then allow operating system think that electronic installation 100 is to be in the state that does not have power-supply adapter 120 to remove to connect power supply.In addition,, in the time that power-supply adapter 120 is stopped power supply and must be maintained the running of electronic installation 100 with battery 110, in order to improve the endurance of battery 110, basic input output system 130 can remove to reduce the power consumption of at least one particular element in electronic installation 100.For instance, basic input output system 130 can downgrade the central processing unit (not illustrating) of electronic installation 100 speed, close the screen (not illustrating) of closing electronic device 100 or downgrade the brightness of screen.And for some utilization rates or the lower element of importance, basic input output system 130 also can make it enter sleep pattern or suspend it is powered.
Fig. 3 is the flow chart of the charging method that illustrates according to another embodiment of the present invention.In following embodiment, be that example using the electricity consumption spike period as special time interval comes that the present invention will be described.In general, lower in the electricity charge valuation electricity charge valuation higher but not the electricity consumption spike period of electricity consumption spike period, not only can maintain the running of electronic installation 100 by the charging method shown in Fig. 3, can also reduce further the required electricity charge of charging.
Please refer to Fig. 1 and Fig. 3, first, as shown in step 310, basic input output system 130 judges that whether the current time of electronic installation 100 is in the electricity consumption spike period.
If the time is not in the electricity consumption spike period at present, as shown in step 320, embedded controller 140 control power-supply adapter 120 with power supply to battery 110 carry out general charging procedure (that is, continue use power supply by the electric weight of battery 110 be full of completely maybe cannot use power supply to charge to battery 110 till).Then the flow process of the charging method described in the present embodiment will be got back to step 310, and whether the current time that again judges electronic installation 100 by basic input output system 130 is in special time interval.
If the current time,, as shown in step 330, embedded controller 140 judged whether the dump energy of battery 110 is greater than default electric weight lower limit in the electricity consumption spike period.
If dump energy is greater than electric weight lower limit,, as shown in step 360, embedded controller 140 is controlled power-supply adapter 120 and is stopped with power supply, battery 110 being charged, thereby only utilizes battery 110 to maintain the running of electronic installation 100.And basic input output system 130 can remove to reduce the power consumption of at least one particular element in electronic installation 100, guarantee that electronic installation 100 can have lower power consumption in the time powering with battery 110.
If judge in step 330, dump energy is less than or equal to electric weight lower limit, and embedded controller 140 can carry out intermittent charge program to battery 110 according to electric weight lower limit control power-supply adapter 120.In detail, in step 340, embedded controller 140 can first be set an electric weight upper limit according to electric weight lower limit accordingly, and this electric weight upper limit is greater than electric weight lower limit.
In one embodiment, embedded controller 140 can be obtained the electric weight upper limit corresponding to electric weight lower limit by the mode of tabling look-up.In another embodiment, basic input output system 130 is left the remaining time of electricity consumption spike period according to the current time judgement of electronic installation 100, and will be sent to embedded controller 140 remaining time.Then, embedded controller 140 calculates and within remaining time, will maintain the required electric weight that electronic installation 100 operates.Prescribe a time limit when required electric weight is less than or equal under electric weight, embedded controller 140 can be used as the electric weight upper limit with the summation of electric weight lower limit and a default electric weight.Prescribe a time limit and be greater than under electric weight at required electric weight, 140 of embedded controllers can be using required electric weight as the electric weight upper limit.Then in step 350, embedded controller 140 is controlled power-supply adapter 120 and with power supply, battery 110 is charged, until the electric weight of battery 110 arrives the electric weight upper limit.The electric weight that can guarantee accordingly battery 110 can be lower than electric weight lower limit.
For instance, suppose to be limited under electric weight 15% of battery 110 total electric weight.Be 50% of battery 110 total electric weight if will maintain the required electric weight of electronic installation 100 normal operations within remaining time, embedded controller 140 can be controlled power-supply adapter 120 and utilize power supply that the electric weight of battery 110 is charged to 50% of total electric weight.But, be 10% of battery 110 total electric weight if will maintain the required electric weight of electronic installation 100 normal operations within remaining time, and default electric weight is 20% of battery 110 total electric weight, embedded controller 140 can be controlled power-supply adapter 120 electric weight of battery 110 is charged to 30% of total electric weight so.
After being charged to the electric weight upper limit, next as shown in step 360, embedded controller 140 is controlled power-supply adapter 120 and is stopped with power supply, battery 110 being charged, thereby only maintain the running of electronic installation 100 with battery 110, and basic input output system 130 can remove to reduce the power consumption of at least one particular element in electronic installation 100, to promote the endurance of battery 110.
Thereafter, charging method described in the present embodiment will be got back to step 310, whether the current time that again judges electronic installation 100 by basic input output system 130 is in the electricity consumption spike period, thereby and repeat above steps and utilize general charging procedure that the electric weight of battery 110 is full of in the non-electricity consumption spike period, to enjoy lower electricity charge pricing mode.And in the more expensive electricity consumption spike period of electricity price, want directly only to maintain with the existing electric weight of battery 110 running of electronic installation 100 according to the comparative result judgement of the dump energy of battery 110 and electric weight lower limit, or only (battery 110 is charged to specific electric weight, the electric weight upper limit), so can avoid battery 110 being carried out non-essential charging action and causing the electricity charge too high during compared with your in electricity price.In addition, can guarantee the electric weight of battery 110 and be not less than electric weight lower limit due to the charging method described in the present embodiment, even if therefore user pulls out power-supply adapter 120, electronic installation 100 also can utilize the electric weight being retained in battery 110 to maintain running.
In sum, electronic installation of the present invention and charging method thereof are that judge whether according to the current whether dump energy of the battery in special time interval and electronic installation need to be to charge electronic devices.In the situation that judging that dump energy is enough, even if electronic installation has the power supply of connection also battery not to be charged, and directly only maintain the running of electronic installation with battery.In addition in judgement need to charge time, can be according to whether automatically switching and use different charging procedures in special time interval.Accordingly, can not only charge to guarantee electronic installation normal operation in good time, can also avoid battery overcharge and waste electric power resource.If special time interval is set as to the comparatively expensive electricity consumption spike period of electricity charge valuation, can further reaches the effect of saving the electricity charge.
Although the present invention discloses as above with embodiment; so it is not in order to limit the present invention; under any, in technical field, have and conventionally know the knowledgeable; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on the appended claim scope person of defining.
Claims (10)
1. a charging method, for an electronic installation, this electronic installation disposes a battery and is connected to a power supply, and the method comprises:
Judge that whether the current time of this electronic installation is in a special time interval;
If in this special time interval, judge whether a dump energy of this battery is greater than an electric weight lower limit;
If this dump energy is greater than this electric weight lower limit, only maintains the running of this electronic installation with this battery, and stop using this power supply to charge to this battery; And
If this dump energy is less than or equal to this electric weight lower limit, before leaving this special time interval in the current time of this electronic installation, according to this this power supply of electric weight lower limit control, this battery is carried out to an intermittent charge program,
Wherein this special time interval is the electricity consumption spike period, lower in the electricity charge valuation electricity charge valuation higher but not the electricity consumption spike period of this electricity consumption spike period.
2. charging method according to claim 1, whether wherein in the current time that judges this electronic installation after the step in this special time interval, the method also comprises:
If not in this special time interval, before the current time of this electronic installation enters this special time interval, the electric weight that utilizes this power supply to continue to charge to this battery to this battery is full of completely or this power supply cannot be to till this battery charging.
3. charging method according to claim 1, wherein also comprises with the step that this battery maintains the running of this electronic installation:
Stop utilizing this power supply to charge to this battery; And
Reduce the power consumption of at least one particular element in this electronic installation.
4. charging method according to claim 1, the step of wherein according to this this power supply of electric weight lower limit control, this battery being carried out to this intermittent charge program comprises:
According to the corresponding electric weight upper limit of setting of this electric weight lower limit, wherein this electric weight upper limit is greater than this electric weight lower limit;
This battery is charged so that the electric weight of this battery arrives after this electric weight upper limit at this power supply of control, stop utilizing this power supply to charge to this battery, and only maintain the running of this electronic installation with this battery; And
Reduce the power consumption of at least one particular element in this electronic installation.
5. charging method according to claim 4, wherein comprises according to the corresponding step of setting this electric weight upper limit of this electric weight lower limit:
Leave a remaining time in this special time interval according to the current time judgement of this electronic installation;
Calculate a required electric weight that maintains this electronic installation running within this remaining time;
Be less than or equal under this electric weight in limited time at this required electric weight, using this electric weight lower limit with a summation of presetting electric weight as this electric weight upper limit; And
Be greater than under this electric weight and prescribe a time limit at this required electric weight, using this required electric weight as this electric weight upper limit.
6. an electronic installation, comprising:
One battery;
One power-supply adapter, to be supplied to this electronic installation by a power supply;
One basic input output system, judges that whether the current time of this electronic installation is in a special time interval; And
One embedded controller, couple this battery, this power-supply adapter and this basic input output system, judge that in this basic input output system the current time of this electronic installation is in the time that this special time is interval, this embedded controller judges whether a dump energy of this battery is greater than an electric weight lower limit, wherein
If this dump energy is greater than this electric weight lower limit, this electronic installation only maintains running with this battery, and stops using this power supply to charge to this battery,
If this dump energy is less than or equal to this electric weight lower limit, before this basic input output system judges that the current time of this electronic installation is left this special time interval, this embedded controller carries out an intermittent charge program with this power supply to this battery according to this this power-supply adapter of electric weight lower limit control
Wherein this special time interval is the electricity consumption spike period, lower in the electricity charge valuation electricity charge valuation higher but not the electricity consumption spike period of this electricity consumption spike period.
7. electronic installation according to claim 6, the current time of wherein judging this electronic installation in this basic input output system, the electric weight that this power-supply adapter of this embedded controller controls continues to charge to this battery with this power supply to this battery is full of completely or this power supply cannot be to till this battery charging not in the time that this special time is interval.
8. electronic installation according to claim 6, wherein judge that at this embedded controller this dump energy of this battery is greater than under this electric weight in limited time, this power-supply adapter of this embedded controller controls stops with this power supply, this battery being charged, and this basic input output system reduces the power consumption of at least one particular element in this electronic installation.
9. electronic installation according to claim 6, wherein this embedded controller is according to the corresponding electric weight upper limit of setting of this electric weight lower limit, and this electric weight upper limit is greater than this electric weight lower limit,
This battery is charged with this power supply at this power-supply adapter until the electric weight of this battery arrives after this electric weight upper limit, this power-supply adapter of this embedded controller controls stops with this power supply, this battery being charged, this electronic installation maintains running with this battery, and this basic input output system reduces the power consumption of at least one particular element in this electronic installation.
10. electronic installation according to claim 9, wherein this basic input output system is left a remaining time in this special time interval according to the current time judgement of this electronic installation, and transmits this remaining time to this embedded controller,
This embedded controller calculates a required electric weight that maintains this electronic installation running within this remaining time, and be less than or equal under this electric weight in limited time using this electric weight lower limit with the summation of a default electric weight as this electric weight upper limit at this required electric weight, and be greater than under this electric weight and prescribe a time limit using this required electric weight as this electric weight upper limit at this required electric weight.
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| CN201010285545.3A CN102403546B (en) | 2010-09-19 | 2010-09-19 | Electronic apparatus and charging method thereof |
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| CN104991634A (en) * | 2015-07-20 | 2015-10-21 | 小米科技有限责任公司 | Terminal control method and device |
| CN108702019B (en) * | 2016-03-29 | 2022-05-03 | 惠普发展公司，有限责任合伙企业 | Method and system for charging battery of computing device |
| CN106410297B (en) * | 2016-09-30 | 2019-06-21 | 华勤通讯技术有限公司 | Charging method and electronic equipment |
| TW202016734A (en) * | 2018-10-30 | 2020-05-01 | 緯創資通股份有限公司 | System performance controlling device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1369927A (en) * | 2001-02-14 | 2002-09-18 | 英业达股份有限公司 | Method for ensuring service life of rechargeable built-in battery in portable electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1369927A (en) * | 2001-02-14 | 2002-09-18 | 英业达股份有限公司 | Method for ensuring service life of rechargeable built-in battery in portable electronic equipment |
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