CN101609359A - A kind of notebook computer and battery control method thereof - Google Patents

A kind of notebook computer and battery control method thereof Download PDF

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Publication number
CN101609359A
CN101609359A CNA2008101151234A CN200810115123A CN101609359A CN 101609359 A CN101609359 A CN 101609359A CN A2008101151234 A CNA2008101151234 A CN A2008101151234A CN 200810115123 A CN200810115123 A CN 200810115123A CN 101609359 A CN101609359 A CN 101609359A
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China
Prior art keywords
battery
default
current
acting
long
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Pending
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CNA2008101151234A
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Chinese (zh)
Inventor
林威志
姚玲
赵双成
虞新立
常程
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Lenovo Beijing Ltd
Shanghai Lenovo Electronic Co Ltd
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Lenovo Beijing Ltd
Shanghai Lenovo Electronic Co Ltd
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Priority to CNA2008101151234A priority Critical patent/CN101609359A/en
Publication of CN101609359A publication Critical patent/CN101609359A/en
Pending legal-status Critical Current

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Abstract

The invention provides a kind of notebook computer and battery control method thereof, this notebook computer comprises: battery and battery control module, wherein, described battery control module comprises: the battery parameter determination module, be used for determining the battery parameter current, described parameter comprises: capacity, the charging voltage of battery, the charging current of battery, the sparking voltage of battery and/or the discharge current of battery that battery is current; Long-acting control module is used for according to described definite battery parameter, according to discharging and recharging of default long-acting battery control strategy control battery.Technique scheme is by utilizing discharging and recharging of default long-acting control strategy control battery, can realize battery is discharged and recharged rightly, thereby make the life-span decay of battery slower, the lasting flying power that has prolonged battery has really prolonged service time of battery.

Description

A kind of notebook computer and battery control method thereof
Technical field
The present invention relates to battery control field, particularly relate to a kind of notebook computer and battery control method thereof.
Background technology
At present, many electronic equipments as notebook computer, PDA etc., can be powered by power supply adaptor, can pass through powered battery again.With the notebook computer is example, through investigation, the power supply use habit of finding the half user is to use power supply adaptor and battery simultaneously, and use at the same time in the process of power supply adaptor and battery for the notebook computer user of prior art, normally power supply adaptor one plugs in, and is battery charge automatically just, does not consider the existing capacity of current battery, and the user only is concerned about the service time of battery when using battery discharge, and to the capacity of remaining battery and be indifferent to.
The inventor is in realizing process of the present invention, find owing to lack good battery use habit, make battery when residual capacity is higher, still be recharged continually, and under the few situation of battery remaining power, still by deep discharge, and fail in time to charge, cause battery not used rightly, make that the life-span decay of battery is very fast, in use for some time, thereby capacity promptly reduces and makes the lasting flying power of battery reduce, promptly make battery after once being full of electricity, the time span of use reduces.For example, battery is using 400-500 back capacity promptly to reduce to original about 60%, serious in addition be reduced to former design capacity 50%, and the capacity of battery is big more, its reduction is obvious more, make like this to be full of the machine that electricity can use 4 hours originally, in use for some time, capacity is reduced to and can only uses 2 hours.
Like this, make the user obtain jumbo battery to have spent more money, but in fact do not reach the user, brought great inconvenience to the user, and made user experience relatively poor the battery expectation of service time.In addition; also exist considerable a part of user in order to protect battery; even use adapter separately; and battery is taken off; the basic so effect of not bringing into play battery, and this type of user uses after order in the battery, still exists above-mentioned because improper use; cause the battery life decay very fast, lasting flying power reduces problem faster.And for domestic consumer, how suitably to use battery, strengthening its serviceable life, even and be unlikely that to make its lasting flying power reduce too fast its life-span of ground slow damply, and be not easy grasp.
Summary of the invention
The purpose of this invention is to provide a kind of notebook computer and battery control method thereof, with the cells in notebook computer life-span that the solves prior art technical matters faster that decays.
To achieve these goals, the invention provides a kind of notebook computer, comprising: battery and the battery control module that links to each other with described battery, wherein, described battery control module comprises:
The battery parameter determination module is used for determining the parameter current of described battery, and described parameter comprises: capacity, the charging voltage of battery, the charging current of battery, the sparking voltage of battery and/or the discharge current of battery that battery is current;
Long-acting control module is used for according to described definite battery parameter, controls discharging and recharging of described battery according to default long-acting battery control strategy.
Preferably, described notebook computer, wherein, described battery control module also comprises:
Long-acting mode of operation trigger module is used for triggering described battery and being in long-acting mode of operation before controlling discharging and recharging of described battery according to default long-acting battery control strategy.
Preferably, described notebook computer, wherein, described long-acting control module comprises at least as one in the lower module:
First charge control module is used for, just beginning to charge the battery during less than default capacity threshold at the current capacity of described battery;
Second charge control module is used for when described battery charge, controls described battery and charges with default charging current;
The 3rd charge control module is used for when described battery charge, when the charging voltage of described battery reaches default full charging voltage threshold value, sends and is full of signal, and described full charging voltage threshold value is less than the specified full charging voltage value of described battery;
The first discharge control module is used for reresenting the user and carries out deep discharge after described battery is full of;
The second discharge control module was used for after the default at interval time period, and the prompting user carries out deep discharge;
The 3rd discharge control module is used for when described battery discharge, and control system is in low-power consumption mode.
Preferably, described notebook computer, wherein, described default capacity threshold is 70% of a battery rated capacity.
Preferably, described notebook computer, wherein, the described default time period is 3 months.
Preferably, described notebook computer, wherein, described default charging current is 0.2C, described C is the rated capacity of battery.
Preferably, described notebook computer, wherein, the menu item of described long-acting mode of operation trigger module by button, button and/or software triggers described battery and is in long-acting mode of operation.
On the other hand, also provide a kind of battery control method, wherein, comprising:
Determine the battery parameter current, described parameter comprises: capacity, the charging voltage of battery, the charging current of battery, the sparking voltage of battery and/or the discharge current of battery that battery is current;
According to described definite battery parameter, control discharging and recharging of described battery according to default long-acting battery control strategy.
Preferably, described method, wherein, describedly control discharging and recharging of described battery in comprising the steps at least according to default long-acting battery control strategy:
, just begin during at the current capacity of described battery to described battery charge less than default capacity threshold;
When described battery charge, control described battery and charge with default charging current;
When described battery charge, when the charging voltage of battery reaches default full charging voltage threshold value as described, then to send and be full of signal, described full charging voltage threshold value is less than the specified full charging voltage value of described battery;
After described battery is full of, reresent the user and carry out deep discharge;
After the default at interval time period, the prompting user carries out deep discharge;
When described battery discharge, control system is in low-power consumption mode.
Preferably, described method, wherein, described default capacity threshold is 70% of a battery capacity.
Preferably, described method, wherein, described default charging current is 0.2C, described C is the rated capacity of battery.
Preferably, described method wherein, before controlling discharging and recharging of described battery according to default long-acting battery control strategy, also comprises: trigger the step that described battery is in long-acting mode of operation.
Preferably, described method, wherein, when described battery charge, the described battery of described control charges with default charging current and comprises:
The current charging current of battery is not equal to described default charging current as described, then described charging current is adjusted to described default charging current.
A technical scheme in the technique scheme has following technique effect:
Utilize discharging and recharging of default long-acting control strategy control battery by long-acting control module, can realize battery is discharged and recharged rightly, thereby make the life-span decay of battery slower, prolonged the lasting flying power of battery, really prolonged the service time of battery, and need not the user grasp the specialty battery use and maintain knowledge, also need not the user and carry out complicated operations.
Description of drawings
Fig. 1 is the structural representation of the notebook computer of the embodiment of the invention;
Battery life curve that draw by experiment, different full charging voltage threshold value correspondences that Fig. 2 shows;
Fig. 3 is the schematic flow sheet of the battery control method of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
The embodiment of the invention discloses a kind of notebook computer.Fig. 1 is the structural representation of the notebook computer of the embodiment of the invention.As Fig. 1, the notebook computer 100 of the embodiment of the invention comprises: battery 101 and the battery control module 102 that links to each other with battery, wherein, the battery control module comprises again: battery parameter determination module 103, be used for determining the battery parameter current, described parameter comprises: capacity, the charging voltage of battery, the charging current of battery, the sparking voltage of battery and/or the discharge current of battery that battery is current; Long-acting control module 104 is used for according to described definite battery parameter, according to discharging and recharging of default long-acting battery control strategy control battery.
Exemplarily, the battery parameter determination module can be realized by the embedded controller (EC, Embedded Controller) that is connected with battery.
The notebook computer of the embodiment of the invention, utilize discharging and recharging of default long-acting control strategy control battery by long-acting control module, can realize battery is discharged and recharged rightly, thereby make the life-span decay of battery slower, prolong the lasting flying power of battery, really prolonged the service time of battery.
Preferably, the notebook computer of the embodiment of the invention, the battery control module also comprises: long-acting mode of operation trigger module is used for triggering described battery and being in long-acting mode of operation before controlling discharging and recharging of battery according to default long-acting battery control strategy.Exemplarily, this long-acting mode of operation trigger module can be in long-acting mode of operation by the menu item triggering battery of button, button and/or software.The user only needs operation push-button, button very simply and/or chooses corresponding entry in the respective menu items, can make battery enter long-acting mode of operation.Like this, the user need not to possess complicated battery and uses, maintains knowledge, need not to carry out complicated operations, can enter this long-acting mode of operation by simple operations, realize appropriate use, thereby realize battery maintenance to battery, and slow down battery life and decay, prolong the battery purpose in serviceable life, and the user who treasures battery also need not battery to be taken out the love battery again, brought convenience to the user.In specific implementation, the battery of the notebook computer of the embodiment of the invention can have normal mode of operation and long-acting mode of operation simultaneously, selects to use corresponding work mode for the user according to self needs.
Preferably, long-acting control module comprises at least as one in the lower module:
First charge control module is used for, just beginning to charge the battery during less than default capacity threshold at the current capacity of battery; Exemplarily, this default capacity threshold can be 70% rated capacity; Utilize this first charge control module can pass through default appropriate capacity threshold, make under long-acting pattern, only when the current capacity of battery is lower than default capacity threshold, just begin charging, if and the current capacity of battery is when being not less than default capacity threshold, then battery is not charged, thereby, be in situation in the system for battery always, this first charge control module can be avoided well after power supply adaptor one connects, promptly do not consider the capacity that battery is current and continually battery charged, avoided well because the reduction of the battery performance that frequent charge causes and the decay of battery life, and and then the security that improved battery;
Second charge control module is used for when battery charge, and the control battery charges with default charging current; Wherein, be not equal to this default charging current, then charging current be adjusted to this default charging current, charge with this default charging current again as the current charging current of battery; Exemplarily, the charging current that can preset is set to 0.2C, and the rated capacity of C=battery is as the battery for 4.8Ah (ampere-hour), 1C=4.8A;
The 3rd charge control module is used for when battery charge, when the charging voltage of battery reaches default full charging voltage threshold value, sends and is full of signal, and described full charging voltage threshold value is less than the specified full charging voltage value of described battery; Exemplarily, when being 4.2V as the specified full charging voltage of battery, predeterminable full charging voltage threshold value is 4.1V, promptly under the normal mode of prior art, when battery is filled to 4.2V, send and completely fill signal, and the notebook computer of the embodiment of the invention just sends when battery is charged to 4.1V and completely fills signal, like this battery cell Cell of 2.6Ah is come usefulness as the battery cell of 2.4Ah, experimental results show that, though the use capacity has reduced a bit, can prolong the serviceable life of battery; Wherein, Fig. 2 shows the battery life curve of testing the full charging voltage threshold value correspondence of difference that draws, it is battery cycle index curve, this figure transverse axis is the cycle index of battery, the longitudinal axis is the capacity (Capacity) of battery, unit: MAH (mAh), wherein the experiment condition of cycle charge-discharge is: charging current is 0.8C, the charging cut-off current is (1/50) C, discharge current is 0.5C, discharge cut-off voltage is E.V.=3.0V, and temperature is 25 degrees centigrade, and full charging voltage is respectively 4.15V, 4.2V, 4.23V; As Fig. 2, be the battery of 4.2V for specified full charging voltage, the battery life curve when lines 1 are 4.15V for setting full charging voltage threshold value; Battery life curve when lines 2 are 4.2V for setting full charging voltage threshold value; Battery life curve when lines 3 are 4.23V for setting full charging voltage threshold value; As shown in Figure 2, after the cycle index 500, the capacity of lines 1 is still more than 2000 MAHs (mAh), near 2500 MAHs, it is following that the capacity of lines 2 has dropped to 1500 MAHs, and the capacity of lines 2 has dropped to below 1000 MAHs, i.e. the battery life of lines 1 decay is the slowest, and the battery life decay of lines 3 is the fastest; Thus, as can be known, set the specified full charging voltage value of full charging voltage threshold value, can postpone the serviceable life of battery, slow down the decay of battery life less than battery;
The first discharge control module is used for reresenting the user and carries out deep discharge after battery is full of; Like this, the reduction of battery performance and the decay of battery life have been avoided in discharge continually in the time of can avoiding battery also not to be full of;
The second discharge control module was used for after the default at interval time period, and the prompting user carries out deep discharge; Exemplarily, can carry out deep discharge one time, can avoid battery not carry out the reduction of the battery performance that deep discharge causes and the decay of battery life for a long time like this every three months suggestion users;
The 3rd discharge control module is used for when battery discharge, and control system is in low-power consumption mode; By when the battery discharge, control system is in low-power consumption mode, can reduce the discharge rate of battery, and battery can be discharged gently, thereby can prolong the discharge time of battery, and and then extend the life of a cell, slow down the decay of electric life.
Preferably, when long-acting control module comprises above-mentioned all modules, can obtain the serviceable life that prolongs battery best, reduce the decay of battery life.
The embodiment of the invention also discloses a kind of battery control method.Fig. 3 is the schematic flow sheet of the battery control method of the embodiment of the invention.As Fig. 3, the battery control method of the embodiment of the invention comprises:
Step 301 is determined the parameter current of battery, and described parameter comprises: capacity, the charging voltage of battery, the charging current of battery, the sparking voltage of battery and/or the discharge current of battery that battery is current; Exemplarily, this step can realize by embedded controller EC;
Step 302 is according to described definite battery parameter, according to discharging and recharging of default long-acting battery control strategy control battery.
Preferably, described method, wherein, described in comprising the steps at least one of discharging and recharging according to default long-acting battery control strategy control battery:
, just begin to charge the battery during at the current capacity of battery less than default capacity threshold; Exemplarily, this default capacity threshold is 70% of a battery capacity;
When battery charge, the control battery charges with default charging current; Exemplarily, this default charging current is 0.2C, and described C is the rated capacity of battery;
When battery charge, when reaching default full charging voltage threshold value, then to send and be full of signal as the charging voltage of battery, described full charging voltage threshold value is less than the specified full charging voltage value of described battery;
After battery is full of, reresent the user and carry out deep discharge;
After the default at interval time period, the prompting user carries out deep discharge;
When battery discharge, control system is in low-power consumption mode.
Preferably, described method wherein, before controlling discharging and recharging of battery according to default long-acting battery control strategy, also comprises: trigger the step that battery is in long-acting mode of operation.
Preferably, described method, wherein, when battery charge, described control battery charges with default charging current and comprises: default charging current as described in being not equal to as the current charging current of battery then is adjusted to described charging current described default charging current.
One of ordinary skill in the art will appreciate that, realize that all or part of step in the method for the above-mentioned fact is to instruct relevant hardware to finish by program, described program can be stored in the storage medium that a computing machine be can read, this program is when carrying out, comprise the steps: to determine the battery parameter current, described parameter comprises: capacity, the charging voltage of battery, the charging current of battery, the sparking voltage of battery and/or the discharge current of battery that battery is current; According to described definite battery parameter, according to discharging and recharging of default long-acting battery control strategy control battery.
Described storage medium can be ROM/RAM, disk, CD etc.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (13)

1. notebook computer, comprising: battery and the battery control module that links to each other with described battery is characterized in that described battery control module comprises:
The battery parameter determination module is used for determining the parameter current of described battery, and described parameter comprises: capacity, the charging voltage of battery, the charging current of battery, the sparking voltage of battery and/or the discharge current of battery that battery is current;
Long-acting control module is used for according to described definite battery parameter, controls discharging and recharging of described battery according to default long-acting battery control strategy.
2. notebook computer according to claim 1 is characterized in that, described battery control module also comprises:
Long-acting mode of operation trigger module is used for triggering described battery and being in long-acting mode of operation before controlling discharging and recharging of described battery according to default long-acting battery control strategy.
3. notebook computer according to claim 1 is characterized in that, described long-acting control module comprises at least as one in the lower module:
First charge control module is used for, just beginning to charge the battery during less than default capacity threshold at the current capacity of described battery;
Second charge control module is used for when described battery charge, controls described battery and charges with default charging current;
The 3rd charge control module is used for when described battery charge, when the charging voltage of described battery reaches default full charging voltage threshold value, sends and is full of signal, and described full charging voltage threshold value is less than the specified full charging voltage value of described battery;
The first discharge control module is used for reresenting the user and carries out deep discharge after described battery is full of;
The second discharge control module was used for after the default at interval time period, and the prompting user carries out deep discharge;
The 3rd discharge control module is used for when described battery discharge, and control system is in low-power consumption mode.
4. notebook computer according to claim 3 is characterized in that, described default capacity threshold is 70% of a battery rated capacity.
5. notebook computer according to claim 3 is characterized in that, the described default time period is 3 months.
6. notebook computer according to claim 3 is characterized in that, described default charging current is 0.2C, and described C is the rated capacity of battery.
7. notebook computer according to claim 2 is characterized in that, the menu item of described long-acting mode of operation trigger module by button, button and/or software triggers described battery and be in long-acting mode of operation.
8. a battery control method is characterized in that, comprising:
Determine the battery parameter current, described parameter comprises: capacity, the charging voltage of battery, the charging current of battery, the sparking voltage of battery and/or the discharge current of battery that battery is current;
According to described definite battery parameter, control discharging and recharging of described battery according to default long-acting battery control strategy.
9. method according to claim 8 is characterized in that, describedly controls discharging and recharging of described battery in comprising the steps at least according to default long-acting battery control strategy:
, just begin during at the current capacity of described battery to described battery charge less than default capacity threshold;
When described battery charge, control described battery and charge with default charging current;
When described battery charge, when the charging voltage of battery reaches default full charging voltage threshold value as described, then to send and be full of signal, described full charging voltage threshold value is less than the specified full charging voltage value of described battery;
After described battery is full of, reresent the user and carry out deep discharge;
After the default at interval time period, the prompting user carries out deep discharge;
When described battery discharge, control system is in low-power consumption mode.
10. method according to claim 9 is characterized in that, described default capacity threshold is 70% of a battery capacity.
11. method according to claim 9 is characterized in that, described default charging current is 0.2C, and described C is the rated capacity of battery.
12. method according to claim 8 is characterized in that, before controlling discharging and recharging of described battery according to default long-acting battery control strategy, also comprises: trigger the step that described battery is in long-acting mode of operation.
13. method according to claim 9 is characterized in that, when described battery charge, the described battery of described control charges with default charging current and comprises:
The current charging current of battery is not equal to described default charging current as described, then described charging current is adjusted to described default charging current.
CNA2008101151234A 2008-06-17 2008-06-17 A kind of notebook computer and battery control method thereof Pending CN101609359A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102411125A (en) * 2010-09-21 2012-04-11 宝山钢铁股份有限公司 Automatic detection device and detection method of storage battery
CN103890693A (en) * 2011-10-28 2014-06-25 惠普发展公司,有限责任合伙企业 Report updated threshold level based on parameter
CN105633492A (en) * 2014-10-28 2016-06-01 五冶集团上海有限公司 Power supply method for welding rod insulating barrel through battery
WO2017063560A1 (en) * 2015-10-16 2017-04-20 华为技术有限公司 Low power communication method and apparatus
CN107147185A (en) * 2017-06-23 2017-09-08 联想(北京)有限公司 Charge control method and device between a kind of smart machine
CN107491158A (en) * 2017-07-19 2017-12-19 苏州三星电子电脑有限公司 Laptop electric power control device
CN109494843A (en) * 2018-12-27 2019-03-19 联想(北京)有限公司 Battery control method, device and electronic equipment
CN112217242A (en) * 2019-07-09 2021-01-12 北京小米移动软件有限公司 Charging control method and device
CN112328065A (en) * 2020-10-26 2021-02-05 山东超越数控电子股份有限公司 Method for controlling power consumption of notebook computer when power is switched on

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102411125A (en) * 2010-09-21 2012-04-11 宝山钢铁股份有限公司 Automatic detection device and detection method of storage battery
US10061380B2 (en) 2011-10-28 2018-08-28 Hewlett-Packard Development Company, L.P. Report updated threshold level based on parameter
US9360917B2 (en) 2011-10-28 2016-06-07 Hewlett-Packard Development Company, L.P. Report updated threshold level based on parameter
CN103890693B (en) * 2011-10-28 2017-01-18 惠普发展公司,有限责任合伙企业 Report updated threshold level based on parameter
CN103890693A (en) * 2011-10-28 2014-06-25 惠普发展公司,有限责任合伙企业 Report updated threshold level based on parameter
US10521006B2 (en) 2011-10-28 2019-12-31 Hewlett-Packard Development Company, L.P. Report updated threshold level based on parameter
CN105633492A (en) * 2014-10-28 2016-06-01 五冶集团上海有限公司 Power supply method for welding rod insulating barrel through battery
US10327210B2 (en) 2015-10-16 2019-06-18 Huawei Technologies Co., Ltd. Low power consumption communication method and apparatus
WO2017063560A1 (en) * 2015-10-16 2017-04-20 华为技术有限公司 Low power communication method and apparatus
CN107147185A (en) * 2017-06-23 2017-09-08 联想(北京)有限公司 Charge control method and device between a kind of smart machine
CN107491158A (en) * 2017-07-19 2017-12-19 苏州三星电子电脑有限公司 Laptop electric power control device
CN109494843A (en) * 2018-12-27 2019-03-19 联想(北京)有限公司 Battery control method, device and electronic equipment
CN112217242A (en) * 2019-07-09 2021-01-12 北京小米移动软件有限公司 Charging control method and device
CN112328065A (en) * 2020-10-26 2021-02-05 山东超越数控电子股份有限公司 Method for controlling power consumption of notebook computer when power is switched on

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