CN103365391A - Notebook battery management device and method thereof - Google Patents
Notebook battery management device and method thereof Download PDFInfo
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- CN103365391A CN103365391A CN2013102650245A CN201310265024A CN103365391A CN 103365391 A CN103365391 A CN 103365391A CN 2013102650245 A CN2013102650245 A CN 2013102650245A CN 201310265024 A CN201310265024 A CN 201310265024A CN 103365391 A CN103365391 A CN 103365391A
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Abstract
The invention belongs to the field of lithium ion batteries, in particular to a notebook battery management device and a method thereof. The device comprises a temperature detecting module, a voltage detecting module, a control module, a charging module and a discharging module, wherein the output ends of the temperature detecting module and the voltage detecting module are both connected with the input end of the control module, and the input ends of the charging module and the discharging module are both connected with the output end of the control module. Detected temperature information and voltage information are both fed back to the control module, a comparison is made between the temperature value and the voltage value through the control module, and then the control module outputs commands to the charging module or the discharging module; the charging module is used for receiving commands of the control module to charge a battery, and the discharging module is used for receiving the commands of the control module to discharge the battery, so as to ensure that the battery has higher electrical quantity to meet the requirement of supplying power for a computer at any time, and that the situation that the battery is enabled to be in a high voltage state and a high temperature state at the same time can be avoided. Therefore, the service life of the battery is prolonged.
Description
Technical field
The invention belongs to the lithium ion battery field, relate in particular to a kind of Notebook Battery management devices and method thereof.
Background technology
Along with the continuous progress of modern society, the constantly bringing forth new ideas and develop of science and technology, notebook computer has obtained using widely.And lithium ion battery is because of its high-energy-density, and low self-discharge rate and the plurality of advantages such as pollution-free are widely used in the notebook computer.Notebook computer in the market all comprises two kinds of power supply modes, and a kind of is to be powered by external AC by power supply adaptor, and a kind of is battery-powered on the basis that does not have the external power supply power supply.In the existing technology, when notebook computer is connected with external AC by power supply adaptor, external power supply also constantly charges to battery except powering to notebook computer, until notebook computer and external power supply disconnect, thus make battery maintain high voltage always or even the state that overcharges under.Because the interior parts heat production of notebook computer is larger, especially the CPU thermal value is large, and sometimes also uses under higher environment temperature, causes the notebook computer pond also to be in the environment of high temperature always simultaneously.And if battery is under the state of high voltage and high temperature simultaneously, performance is acute the deterioration extremely, has a strong impact on its serviceable life.
Summary of the invention
The object of the invention is to: for the deficiencies in the prior art, and provide a kind of Notebook Battery management devices and method thereof, this module can guarantee that battery has higher electric weight, satisfy the requirement of powering to computer at any time, under the state of avoiding again making battery be in simultaneously high voltage and high temperature, thus the serviceable life of prolongation battery.
For achieving the above object, the present invention adopts following technical scheme: a kind of Notebook Battery management devices, comprise temperature sensing module, voltage detection module, control module, charging module and discharge module, the output terminal of described temperature sensing module and described voltage detection module is electrically connected with the input end of described control module respectively, and the input end of described charging module and described discharge module is electrically connected with described control module output terminal respectively.
A kind of Notebook Battery management method, may further comprise the steps: step 1, the temperature by temperature sensing module monitoring cell surface, then the temperature information of surveying is fed back in control module, simultaneously, by the voltage at voltage detection module monitoring cell two ends, then the information of voltage of surveying is fed back in control module; Step 2, by control module temperature value and the magnitude of voltage that records in the step 1 compared, control module is to charging module or discharge module output command after the contrast; Step 3, charging module receive the order of control module battery are charged, and discharge module receives the order of control module battery is discharged.
The temperature that detects respectively battery surface when temperature sensing module and voltage detection module is less than 40 ℃, and when the voltage at battery two ends was less than or equal to the battery rated voltage, control module sends signal instruction to charging module so that battery charges to the battery rated voltage.
When temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 40 ℃ and less than 50 ℃, the voltage at battery two ends be less than or equal to the battery rated voltage 96 ~ 98% the time, control module sends signal instruction to charging module so that battery charges to 96 ~ 98% of battery rated voltage.
When temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 40 ℃ and less than 50 ℃, the voltage at battery two ends greater than the battery rated voltage 96 ~ 98% the time, control module send signal instruction to discharge module so that battery discharge to 96 ~ 98% of battery rated voltage.
When temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 50 ℃ and less than 60 ℃, the voltage at battery two ends be less than or equal to the battery rated voltage 94 ~ 96% the time, control module sends signal instruction to charging module so that battery charges to 94 ~ 96% of battery rated voltage.
When temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 50 ℃ and less than 60 ℃, the voltage at battery two ends greater than the battery rated voltage 94 ~ 96% the time, control module send signal instruction to discharge module so that battery discharge to 94 ~ 96% of battery rated voltage.
When temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 60 ℃, the battery both end voltage be less than or equal to the battery rated voltage 92 ~ 94% the time, control module sends signal instruction to charging module so that battery charges to 92 ~ 94% of battery rated voltage.
When temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 60 ℃, the voltage at battery two ends greater than the battery rated voltage 92 ~ 94% the time, control module send signal instruction to discharge module so that battery discharge to 92 ~ 94% of battery rated voltage.
Beneficial effect of the present invention is: by the temperature on temperature sensing module monitoring cell surface, then the temperature information of surveying is fed back in control module, simultaneously, by the voltage at voltage detection module monitoring cell two ends, then the information of voltage of surveying is fed back in control module; By control module temperature value and the magnitude of voltage that records compared, control module is to charging module or discharge module output command after the contrast; Charging module receives the order of control module battery is charged, and discharge module receives the order of control module battery is discharged.The present invention can guarantee that battery has higher electric weight, satisfies the requirement of powering to computer at any time, under the state of avoiding again making battery be in simultaneously high voltage and high temperature, thus the serviceable life of prolongation battery.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with embodiment and Figure of description, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1As shown in Figure 1, a kind of Notebook Battery management devices, comprise temperature sensing module 2, voltage detection module 3, control module 1, charging module 4 and discharge module 5, the output terminal of temperature sensing module 2 and voltage detection module 3 is electrically connected with the input end of control module 1 respectively, and the input end of charging module 4 and discharge module 5 is electrically connected with control module 1 output terminal respectively.
A kind of Notebook Battery management method, may further comprise the steps: step 1, the temperature by temperature sensing module 2 monitoring cell surfaces, then the temperature information of surveying is fed back in control module, simultaneously, survey the voltage at 3 battery two ends by the voltage detection module, then the information of voltage of surveying is fed back in control module 1; Step 2, by control module 1 temperature value and the magnitude of voltage that records in the step 1 compared, control module 1 is to charging module 4 or discharge module 5 output commands after the contrast; The order that step 3, charging module 4 receive control module 1 is charged to battery, and the order that discharge module 5 receives control module 1 is discharged to battery.
When temperature sensing module 2 and voltage detection module 3 detect respectively the temperature of battery surface less than 40 ℃, when the voltage at battery two ends is less than or equal to the battery rated voltage, control module 1 send signal instruction to charging module 4 so that battery charges to the battery rated voltage.
Other identical with embodiment 1 no longer repeated here.
Other identical with embodiment 2 no longer repeated here.
Other identical with embodiment 3 no longer repeated here.
Other identical with embodiment 4 no longer repeated here.
Embodiment 6,As different from Example 5: the temperature sensing module 2 of present embodiment and voltage detection module 3 detect respectively the temperature of battery surface more than or equal to 60 ℃, the battery both end voltage be less than or equal to the battery rated voltage 92 ~ 94% the time, control module 1 send signal instruction to charging module 4 so that battery charges to 92 ~ 94% of battery rated voltage.
Other identical with embodiment 5 no longer repeated here.
Embodiment 7,As different from Example 6: the temperature sensing module 2 of present embodiment and voltage detection module 3 detect respectively the temperature of battery surface more than or equal to 60 ℃, the voltage at battery two ends greater than the battery rated voltage 92 ~ 94% the time, control module 1 send signal instruction to discharge module 5 so that battery discharge to 92 ~ 94% of battery rated voltage.
Other identical with embodiment 6 no longer repeated here.
The according to the above description announcement of book and instruction, those skilled in the art in the invention can also change and revise above-mentioned embodiment.Therefore, the present invention is not limited to above-mentioned embodiment, and any apparent improvement, replacement or modification that every those skilled in the art have done on basis of the present invention all belong to protection scope of the present invention.In addition, although used some specific terms in this instructions, these terms do not consist of any restriction to the present invention just for convenience of description.
Claims (9)
1. Notebook Battery management devices, it is characterized in that: comprise temperature sensing module, voltage detection module, control module, charging module and discharge module, the output terminal of described temperature sensing module and described voltage detection module is electrically connected with the input end of described control module respectively, and the input end of described charging module and described discharge module is electrically connected with described control module output terminal respectively.
2. Notebook Battery management method, it is characterized in that, may further comprise the steps: step 1, the temperature by temperature sensing module monitoring cell surface, then the temperature information of surveying is fed back in control module, simultaneously, by the voltage at voltage detection module monitoring cell two ends, then the information of voltage of surveying is fed back in control module; Step 2, by control module temperature value and the magnitude of voltage that records in the step 1 compared, control module is to charging module or discharge module output command after the contrast; Step 3, charging module receive the order of control module battery are charged, and discharge module receives the order of control module battery is discharged.
3. Notebook Battery management method according to claim 2, it is characterized in that: when temperature sensing module and voltage detection module detect respectively the temperature of battery surface less than 40 ℃, when the voltage at battery two ends was less than or equal to the battery rated voltage, control module sends signal instruction to charging module so that battery charges to the battery rated voltage.
4. Notebook Battery management method according to claim 2, it is characterized in that: when temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 40 ℃ and less than 50 ℃, the voltage at battery two ends be less than or equal to the battery rated voltage 96 ~ 98% the time, control module sends signal instruction to charging module so that battery charges to 96 ~ 98% of battery rated voltage.
5. Notebook Battery management method according to claim 2, it is characterized in that: when temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 40 ℃ and less than 50 ℃, the voltage at battery two ends greater than the battery rated voltage 96 ~ 98% the time, control module send signal instruction to discharge module so that battery discharge to 96 ~ 98% of battery rated voltage.
6. Notebook Battery management method according to claim 2, it is characterized in that: when temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 50 ℃ and less than 60 ℃, the voltage at battery two ends be less than or equal to the battery rated voltage 94 ~ 96% the time, control module sends signal instruction to charging module so that battery charges to 94 ~ 96% of battery rated voltage.
7. Notebook Battery management method according to claim 2, it is characterized in that: when temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 50 ℃ and less than 60 ℃, the voltage at battery two ends greater than the battery rated voltage 94 ~ 96% the time, control module send signal instruction to discharge module so that battery discharge to 94 ~ 96% of battery rated voltage.
8. Notebook Battery management method according to claim 2, it is characterized in that: when temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 60 ℃, the battery both end voltage be less than or equal to the battery rated voltage 92 ~ 94% the time, control module sends signal instruction to charging module so that battery charges to 92 ~ 94% of battery rated voltage.
9. Notebook Battery management method according to claim 2, it is characterized in that: when temperature sensing module and voltage detection module detect respectively the temperature of battery surface more than or equal to 60 ℃, the voltage at battery two ends greater than the battery rated voltage 92 ~ 94% the time, control module send signal instruction to discharge module so that battery discharge to 92 ~ 94% of battery rated voltage.
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| CN2013102650245A CN103365391A (en) | 2013-06-28 | 2013-06-28 | Notebook battery management device and method thereof |
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| CN2013102650245A CN103365391A (en) | 2013-06-28 | 2013-06-28 | Notebook battery management device and method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656148A (en) * | 2016-03-21 | 2016-06-08 | 杭州骑客智能科技有限公司 | Battery management system of man-machine interaction sport car |
| CN105680519A (en) * | 2016-03-21 | 2016-06-15 | 杭州骑客智能科技有限公司 | Battery management system for man-machine interaction sport car |
| CN106505719A (en) * | 2016-11-15 | 2017-03-15 | 吴林嘉 | A kind of energy-conservation method of supplying power to of toy car |
| CN106990824A (en) * | 2017-04-24 | 2017-07-28 | 合肥宝龙达信息技术有限公司 | A kind of double cell management method and system applied on two-in-one notebook |
| CN108417919A (en) * | 2018-03-07 | 2018-08-17 | 厦门美图移动科技有限公司 | Battery voltage adjusting method and device and mobile terminal |
| WO2020062151A1 (en) * | 2018-09-29 | 2020-04-02 | 海能达通信股份有限公司 | Power supply circuit and system |
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| CN2694587Y (en) * | 2003-09-09 | 2005-04-20 | 李知非 | Battery control protection integrated circuit |
| US20090140700A1 (en) * | 2007-06-15 | 2009-06-04 | Tesla Motors, Inc. | Multi-mode charging system for an electric vehicle |
| CN201266846Y (en) * | 2008-09-01 | 2009-07-01 | 苏州宝时得电动工具有限公司 | Charging equipment and combination of charging equipment and battery bag |
| CN102473971A (en) * | 2010-06-25 | 2012-05-23 | 松下电器产业株式会社 | Lithium-ion secondary-battery charging method and charging system |
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- 2013-06-28 CN CN2013102650245A patent/CN103365391A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2694587Y (en) * | 2003-09-09 | 2005-04-20 | 李知非 | Battery control protection integrated circuit |
| US20090140700A1 (en) * | 2007-06-15 | 2009-06-04 | Tesla Motors, Inc. | Multi-mode charging system for an electric vehicle |
| CN201266846Y (en) * | 2008-09-01 | 2009-07-01 | 苏州宝时得电动工具有限公司 | Charging equipment and combination of charging equipment and battery bag |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656148A (en) * | 2016-03-21 | 2016-06-08 | 杭州骑客智能科技有限公司 | Battery management system of man-machine interaction sport car |
| CN105680519A (en) * | 2016-03-21 | 2016-06-15 | 杭州骑客智能科技有限公司 | Battery management system for man-machine interaction sport car |
| CN106505719A (en) * | 2016-11-15 | 2017-03-15 | 吴林嘉 | A kind of energy-conservation method of supplying power to of toy car |
| CN106990824A (en) * | 2017-04-24 | 2017-07-28 | 合肥宝龙达信息技术有限公司 | A kind of double cell management method and system applied on two-in-one notebook |
| CN108417919A (en) * | 2018-03-07 | 2018-08-17 | 厦门美图移动科技有限公司 | Battery voltage adjusting method and device and mobile terminal |
| WO2020062151A1 (en) * | 2018-09-29 | 2020-04-02 | 海能达通信股份有限公司 | Power supply circuit and system |
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Application publication date: 20131023 |