CN101222144B - Charging method of portable electronic device - Google Patents

Charging method of portable electronic device Download PDF

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Publication number
CN101222144B
CN101222144B CN200710000646XA CN200710000646A CN101222144B CN 101222144 B CN101222144 B CN 101222144B CN 200710000646X A CN200710000646X A CN 200710000646XA CN 200710000646 A CN200710000646 A CN 200710000646A CN 101222144 B CN101222144 B CN 101222144B
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battery
portable electronic
electronic devices
reference value
charging method
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CN101222144A (en
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龚绍祖
沈一弘
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Compal Electronics Inc
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Compal Electronics Inc
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The invention provides a method for charging a portable electronic device. When the portable electronic device is plugged into an electrical outlet, the method selects a protecting mode or a quick charge mode to charge according to the present working condition of the portable electronic device and controls the electric power of the battery to be within certain safe range. Therefore, the invention increases the electric power of the battery at the highest speed under the condition that the using effectiveness of the portable electronic device is not affected and protects the battery in order not to be overcharged, thereby prolonging the service life of the battery.

Description

The charging method of portable electronic devices
Technical field
The invention relates to a kind of charging method, and particularly relevant for a kind of charging method of portable electronic devices.
Background technology
At present the power supply method of supplying of portable electronic devices is divided into two kinds, is a kind ofly provided by its external power supply unit, and another kind then is to be provided by battery.What portable electronic devices was emphasized is exactly mobility, and mostly its general place to use is to be positioned at the open air, and this can't the situation of external power supply under, the electric power of whole portable electronic devices just can only rely on battery of installing in it to supply.Hence one can see that, for portable electronic devices, battery is only topmost supply of electric power source, and how to utilize battery that lasting and stable electric power is provided, and, all be an important evidence of this portable electronic devices usefulness of assessment effectively and apace to battery charge, saving charging interval.
Portable electronic devices all is after it connects external power source to the mode of battery charge at present, promptly begins battery charge, just stops when energy level is expired in the electric power arrival of battery.Yet battery itself can carry out self discharging, therefore stops battery charge after a period of time at portable electronic devices, and the energy level of battery will reduce, and this moment, portable electronic devices promptly can charge to battery once more.
Fig. 1 illustrate is the charging method flow chart of known portable electronic devices.Please refer to Fig. 1, known charging method comprises general electric current protection mode (Normal mode) and two kinds of charge modes of small electric current charge (Trickle mode), insert at portable electronic devices under the state of power supply, promptly can receive a control signal (step S110) earlier, and select charge mode (step S120) according to this, comprising general charge mode (step S130) and low current charge pattern (step S140), yet, no matter use which kind of charge mode, portable electronic devices all can be in charging, and whether the electric power of detecting its battery is full of (step S150).
If detect electric power and be full of, then stop battery charge (step S160), this moment, battery promptly can carry out discharging action gradually, and its electric power also reduces gradually, thus the time just must get back to step S110, reselect charge mode to charge; Yet if detect still underfill of electric power, then continue battery to be charged with previous selected charge mode, till its electric power is full of (step S170), and after battery electric power is full of, then similarly get back to step S110, receive control signal again and charge to select charge mode.Though so the process of charging repeatedly, discharge, recharging can guarantee that the electric power of battery remains on the state that is full of, but can the charging times of battery will be increased, and the ability of battery storage electric charge can reduce along with the increase of charging times, therefore adopts known charging modes will cause shorten the useful life of battery at last.
In addition, if battery is when accepting external power charging, the user still continues to use this portable electronic devices, then external power supply certainly will also must offer the electric power of major part the portable electronic devices use, this moment, battery promptly can't obtain maximum rechargeable energy, also caused the required time of its charging to increase.
Summary of the invention
In view of this, purpose of the present invention is exactly that a kind of charging method of portable electronic devices is being provided, and according to user's the demand and the situation of computer operating, selects to enter protection mode or fast mold filling formula charging, and can save battery electric power, accelerates charging rate.
For reaching above-mentioned or other purpose, the present invention proposes a kind of charging method of portable electronic devices, is suitable for the battery of portable electronic devices is charged, and the method comprises the following steps: that a. receives control signal, to enter charged state; B. select to carry out fast mold filling formula or protection mode; B1. if enter fast mold filling formula, then carry out the power saving action; B2. if enter protection mode, judge then whether the electric power of battery is lower than first reference value; B21. if be lower than first reference value, then battery is charged; C. the electric power that charges up to battery reaches second reference value.
According to the charging method of the described portable electronic devices of preferred embodiment of the present invention, wherein comprise step b22. after the step b2 again if be higher than first reference value, then battery is not charged.
According to the charging method of the described portable electronic devices of preferred embodiment of the present invention, wherein the user can select to enter this fast mold filling formula or this protection mode at any time, and produces this corresponding control signal by this portable electronic devices.
According to the charging method of the described portable electronic devices of preferred embodiment of the present invention, wherein power saving action comprise dim the screen backlight source and reduce processor speed one of them.
Charging method according to the described portable electronic devices of preferred embodiment of the present invention, wherein first reference value comprise between the power capacity of battery percent 1 to percent 10 between, second reference value then comprise between the power capacity of battery percent 90 to percent 100 between.
According to the charging method of the described portable electronic devices of preferred embodiment of the present invention, wherein portable electronic devices comprise mobile computer, mobile phone and personal digital assistant one of them, battery then comprise Ni-MH battery and lithium battery one of them.
The present invention proposes a kind of charging method of portable electronic devices, be suitable for managing the electric power of the battery of portable electronic devices, the method comprises the following steps: at first to receive control signal, then according to this control signal, judge whether to enter protection mode, if will enter protection mode, judge then then whether the electric power of battery is lower than one first reference value; If be lower than first reference value, then battery is charged, till the electric power of battery reaches one second reference value; If do not enter protection mode, then enter fast mold filling formula, and carry out the power saving action, and judge whether the electric power of battery is lower than first reference value; If be lower than first reference value, then battery is charged, till the electric power of battery reaches second reference value.
Charging method according to the described portable electronic devices of preferred embodiment of the present invention, wherein whether portable electronic devices is lower than one the 3rd reference value at the preceding electric power of judging battery that also comprises that receives control signal, if be lower than the 3rd reference value, then point out the user to select whether to enter protection mode, and, produce control signal according to user's selection.
The present invention adopts the structure of switching between general protection mode and fast mold filling formula, when portable electronic devices inserts power supply,, select to use suitable charge mode by the control signal of detecting user input, and reach saving power consumption, accelerate the purpose of charging rate.
Description of drawings
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below, wherein:
Fig. 1 illustrate is the charging method flow chart of known portable electronic devices.
Fig. 2 is the charging method flow chart of the portable electronic devices that illustrates according to preferred embodiment of the present invention.
Fig. 3 is the charging system calcspar of the portable electronic devices that illustrates according to preferred embodiment of the present invention.
Fig. 4 is the charging method flow chart of the portable electronic devices that illustrates according to preferred embodiment of the present invention.
Embodiment
For protect battery not reason repeat to discharge and recharge and shorten the life-span, best charging modes is exactly not with over-charging of battery, therefore can set a higher limit, does not recharge when battery charge surpasses this higher limit; In like manner, also can set a lower limit, and when the electric power of battery is lower than this lower limit, just battery be charged, so can avoid the situation of over-charging of battery.In order to make content of the present invention more clear, below the example that can implement according to this really as the present invention especially exemplified by embodiment.
Fig. 2 is the charging method flow chart of the portable electronic devices that illustrates according to preferred embodiment of the present invention.Please refer to Fig. 2, the charging method of present embodiment comprises sets a charging scope, with the battery charge to portable electronic devices.Wherein portable electronic devices for example comprises mobile computer, mobile phone or personal digital assistant, and battery then comprises Ni-MH battery or lithium battery, does not limit its scope.The overview of steps of present embodiment is as follows:
At first, receive a control signal by portable electronic devices, and enter charged state (step S210).Wherein, this control signal can be that a button of or input selected according to the user by portable electronic devices produces, or is produced automatically according to its present behaviour in service by portable electronic devices.
Then, portable electronic devices promptly can be according to this control signal, select to carry out fast mold filling formula or protection mode (step S220), if select to enter fast mold filling formula, then carry out power saving action (step S230), wherein, power saving action comprises and dims the screen backlight source or reduce processor speed, does not limit its scope.And when carrying out the power saving action, portable electronic devices promptly begins battery is charged, and whether the electric power of detecting battery be higher than a higher limit (step S240), if be higher than this higher limit, then stops this battery charge (step S250); Otherwise, then continue battery is charged, till the electric power of battery arrives a higher limit (step S260) if be lower than this higher limit.This fast mold filling formula is by carrying out the power saving action, and the electric power resource of major part can be supplied to battery, to increase the speed of battery charge, therefore this charge mode be applicable to usually in a hurry, use on the personage and occasion of battery in a large number.
Yet, if control signal is to indicate when entering protection mode, then portable electronic devices can further judge whether the electric power of battery is lower than a lower limit (step S270), if be lower than this lower limit, then continue to enter step S250, and whether the electric power of detecting battery is higher than higher limit; Yet, if be higher than this lower limit, battery do not charged (step S250), and get back to step S210, when treating that receive control signal next time, select charge mode to charge once more.From the above, the protection mode of present embodiment is that the electric power of battery is set a protective range (promptly between higher limit and lower limit), when battery electric power is higher than lower limit, the action of not charging, therefore can avoid causing battery to damage because of repeating to discharge and recharge, compared to fast mold filling formula, protection mode is suitable for the user of general less use battery.
What deserves to be mentioned is that present embodiment is being carried out under the fast mold filling formula, still can be needed according to it by the user, switches to protection mode at any time, and avoids causing the situation of over-charging of battery.In addition, the protective range of above-mentioned protection mode (being upper lower limit value) also can set up some sections at the battery total electricity on their own by the user.For instance, protective range can be set in total electricity 50%-100% between.Be limited in precedingly 50% by operational range, treat this partly gradually after the consume battery, again protective range is changed be set in total electricity 0%-50% between, this practice can prolong about twice with the life-span of battery, and reduces battery and consume required cost.
According to above-mentioned, below the transmittance process of signal in the charging method of the present invention is described with the system architecture of reality again.Fig. 3 is the charging system calcspar of the portable electronic devices that illustrates according to preferred embodiment of the present invention.Please refer to Fig. 3, system 310 utilizes bus to be connected with controller 320, and the conditioning signal that transmits an electric power is to controller 320, to set the upper lower limit value of charging.After the user is connected to socket with the plug of portable electronic devices, AC power promptly can be converted to direct current signal input charge/discharge logical circuit 360 via AC/DC converter 350, this moment, controller 320 promptly can be detected the electric power of battery 340, and the conditioning signal that provides of the signal of communication that is returned according to battery 340 and system 310, select to enter fast mold filling formula or protection mode.
If enter fast mold filling formula, then controller 320 will send a switching signal to screen backlight source 330, and close or dim screen backlight source 330, at the same time, controller 320 also will transmit control signal to charge/discharge logical circuit 360, provide a charging signals to battery 340 to control it, and to battery 340 action of charging, when treating the electric power arrival higher limit of battery 340, just stop charging.
On the other hand, if enter protection mode, then whether controller 320 electric power that can detect battery 340 immediately is lower than lower limit, and is lower than under the situation of lower limit at the electric power of battery 340, the action that begins to charge, and continue till the electric power of battery 340 arrives higher limit.
In another embodiment of the present invention, be to utilize at portable electronic devices to insert in the state of power supply, according to user's demand or the running situation of computer selects to carry out the protection mode of general little electric current at present, or enter fast mold filling formula so that bigger charging current to be provided, to add the speed of charging quickly.
Fig. 4 is the charging method flow chart of the portable electronic devices that illustrates according to preferred embodiment of the present invention.Please refer to Fig. 4, present embodiment is suitable for managing the battery electric power of a portable electronic devices, and wherein portable electronic devices for example comprises mobile computer, mobile phone or personal digital assistant, and battery then comprises Ni-MH battery or lithium battery, does not limit its scope.The overview of steps of present embodiment is as follows:
At first, receive a control signal (step S410) by portable electronic devices.Wherein, this control signal can be that a button of or input selected according to the user by portable electronic devices produces, or is produced automatically according to its present behaviour in service by portable electronic devices.
Then, portable electronic devices promptly can judge whether to enter protection mode (step S420) according to this control signal.If enter protection mode, then portable electronic devices can continue to judge whether the electric power of battery is lower than one first reference value (step S430).When the electric power of finding this battery is lower than first reference value, promptly battery is charged (step S440), and judge whether battery electric power reaches up to second reference value (step S450).If the electric power of battery reaches second reference value, then stop charging (step S460).Wherein, the first above-mentioned reference value for example be between the power capacity of this battery percent 1 to percent 10 between, second reference value then for example be between the power capacity of this battery percent 90 to percent 100 between, do not limit its scope.
If in step S420, the portable electronic devices judgement does not enter protection mode, then will enter fast mold filling formula, carries out power saving action (step S470), judges whether the electric power of battery is lower than first reference value (step S430) simultaneously yet.When the electric power of finding this battery is lower than first reference value, promptly battery is charged (step S440), and judge whether battery electric power reaches up to second reference value (step S450).If the electric power of battery reaches second reference value, then stop charging (step S460).Wherein, above-mentioned power saving action for example comprises and dims the screen backlight source or reduce processor speed etc., all can be set up on their own by the user.Certainly, if when not needing function screen or carrying out some function during the user recharges here, also can see through to set and close screen or other ancillary equipment.
In above-mentioned fast mold filling formula, portable electronic devices has been saved most power consumption, so power supply can provide the electric power that fills part to charge the battery, under the sufficient situation of charging current, can certainly shorten the time of charging, and reach the effect of quick charge.
What deserves to be mentioned is, insert at portable electronic devices under the state of power supply that the user can select to enter general protection mode or fast mold filling formula at any time as required.For instance, if the user need utilize the portable electronic devices movie time, then can select for use general protection mode to battery charge, i.e. screen intensity and volume movie normally of portable electronic devices like this, and unlikely its playback quality that influences; Relatively, when if the user only needs to utilize the portable electronic devices playing back music, then can select to enter fast mold filling formula, the screen that does not need start closed or the speed of processor is downgraded, carry out the charging of battery at the same time, so can save the consumption of electric power, and then accelerate the speed of battery charge.
In addition, insert at above-mentioned portable electronic devices under the state of power supply, portable electronic devices also can be detected the electric power of battery earlier voluntarily, and judge whether battery electric power is lower than to one the 3rd reference value (for example primary cell power capacity percent 20), when in case electric power is lower than this 3rd reference value, then can point out the user to select whether to enter protection mode, remind the user to note the consumption of battery electric power according to this.
In sum, the charging method at portable electronic devices of the present invention comprises following advantage at least:
1. can not reduce the number of times of battery charge, extend the life of a cell to battery charge at every turn when inserting power supply.
2. select general charging or quick charge according to user's current needs, can not influence the operational effectiveness of portable electronic devices, also can save user's waiting time for charging.
3. set the charging scope (upper lower limit value that comprises charging) of battery electric power, can avoid over-charging of battery or not have electricity fully, extend the life of a cell.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this operator; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when looking accompanying being as the criterion that claim defines.

Claims (16)

1. the charging method of a portable electronic devices is suitable for a battery of a portable electronic devices is charged, and it is characterized in that this method comprises the following steps:
A. this portable electronic devices receives a control signal, to enter a charged state;
B. select to carry out the protection mode that a fast mold filling formula or can be changed the battery electric power protective range, wherein the bound of this protective range is respectively one second reference value and one first reference value;
B1. if enter this fast mold filling formula, then carry out power saving action;
B2. if enter this protection mode, judge then whether the electric power of this battery is lower than one first reference value;
B21. if be lower than this first reference value, then this battery is charged; And
C. the electric power that charges up to this battery reaches one second reference value.
2. the charging method of portable electronic devices as claimed in claim 1 is characterized in that, wherein comprises step b22. after this step b2 again if be higher than this first reference value, then this battery is not charged.
3. the charging method of portable electronic devices as claimed in claim 1 is characterized in that, wherein the user can select to enter this fast mold filling formula or this protection mode at any time, and produces this corresponding control signal by this portable electronic devices.
4. the charging method of portable electronic devices as claimed in claim 1 is characterized in that, wherein this power saving action comprise dim the screen backlight source and reduce processor speed one of them.
5. the charging method of portable electronic devices as claimed in claim 1 is characterized in that, wherein this first reference value between the power capacity of this battery percent 1 to percent 10 between.
6. the charging method of portable electronic devices as claimed in claim 1 is characterized in that, wherein this second reference value between the power capacity of this battery percent 90 to percent 100 between.
7. the charging method of portable electronic devices as claimed in claim 1 is characterized in that, wherein this portable electronic devices comprise mobile computer, mobile phone and personal digital assistant one of them.
8. the charging method of portable electronic devices as claimed in claim 1 is characterized in that, wherein this battery comprise Ni-MH battery and lithium battery one of them.
9. the charging method of a portable electronic devices is suitable for a battery of a portable electronic devices is charged, and it is characterized in that this charging method comprises the following steps:
This portable electronic devices receives a control signal;
According to this control signal, judge whether to enter the protection mode that can change the battery electric power protective range, wherein the bound of this protective range is respectively one second reference value and one first reference value;
If enter this protection mode, judge then whether the electric power of this battery is lower than one first reference value;
If be lower than this first reference value, then this battery is charged, till the electric power of this battery reaches one second reference value;
If do not enter this protection mode, then enter a fast mold filling formula, and carry out power saving action, and judge whether the electric power of this battery is lower than this first reference value; And
If be lower than this first reference value, then this battery is charged, till the electric power of this battery reaches this second reference value.
10. the charging method of portable electronic devices as claimed in claim 9 is characterized in that, wherein this portable electronic devices also comprised before receiving this control signal:
Whether the electric power of judging this battery is lower than one the 3rd reference value;
If be lower than the 3rd reference value, then point out the user to select whether to enter this protection mode; And
According to user's selection, produce this control signal.
11. the charging method of portable electronic devices as claimed in claim 9 is characterized in that, wherein the user can select to enter this protection mode or this fast mold filling formula at any time, and produces this corresponding control signal by this portable electronic devices.
12. the charging method of portable electronic devices as claimed in claim 9 is characterized in that, wherein this power saving action comprise dim the screen backlight source and reduce processor speed one of them.
13. the charging method of portable electronic devices as claimed in claim 9 is characterized in that, wherein this first reference value between the power capacity of this battery percent 1 to percent 10 between.
14. the charging method of portable electronic devices as claimed in claim 9 is characterized in that, wherein this second reference value between the power capacity of this battery percent 90 to percent 100 between.
15. the charging method of portable electronic devices as claimed in claim 9 is characterized in that, wherein this portable electronic devices comprise mobile computer, mobile phone and personal digital assistant one of them.
16. the charging method of portable electronic devices as claimed in claim 9 is characterized in that, wherein this battery comprise Ni-MH battery and lithium battery one of them.
CN200710000646XA 2007-01-10 2007-01-10 Charging method of portable electronic device Expired - Fee Related CN101222144B (en)

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Families Citing this family (8)

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CN101986509B (en) * 2010-10-21 2014-03-12 南京德朔实业有限公司 Charger
CN102457094B (en) * 2010-10-21 2014-06-11 南京德朔实业有限公司 Charging system
CN103872397B (en) * 2012-12-10 2018-06-01 联想(北京)有限公司 The method and electronic equipment of a kind of charging
CN104238713B (en) * 2013-06-21 2018-01-12 贝壳网际(北京)安全技术有限公司 Charging method and system of intelligent mobile terminal
CN103813011A (en) * 2014-01-24 2014-05-21 宇龙计算机通信科技(深圳)有限公司 Method and system for charging control terminal
TWI566499B (en) * 2014-12-30 2017-01-11 仁寶電腦工業股份有限公司 Charging method and charging device using the same
CN108258745B (en) * 2016-12-29 2021-07-16 上海岭芯微电子有限公司 Chip with high-current switch type charging and power management functions and application
CN107484079B (en) * 2017-10-10 2020-05-01 南京中感微电子有限公司 Bluetooth sound box and method for improving music playing jam during charging

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