CN101800432B - Device and method for monitoring system power supply - Google Patents
Device and method for monitoring system power supply Download PDFInfo
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- CN101800432B CN101800432B CN200910004342XA CN200910004342A CN101800432B CN 101800432 B CN101800432 B CN 101800432B CN 200910004342X A CN200910004342X A CN 200910004342XA CN 200910004342 A CN200910004342 A CN 200910004342A CN 101800432 B CN101800432 B CN 101800432B
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Abstract
The invention discloses a system and a method for monitoring system power supply. The method for monitoring the system power supply is suitable for an electronic device, and comprises the following steps: firstly, obtaining a charging material from a charging module; secondly, judging whether the charging module stops charging a battery or a battery capacity is higher than a preset battery capacity according to the charging material; if the charging module charges the battery, and the battery capacity is lower than the preset battery capacity, judging whether a charging current value of the battery is smaller than a preset current value; if the charging current value of the battery is smaller than the preset current value, and a system power value is smaller than a preset power value, controlling an element to reduce the preset power value; and if the charging current value is greater than the preset current value, and the system power value is greater than the preset power value, controlling the element to increase the preset power value so as to further correctly adjust the power of the electronic device.
Description
Technical field
The present invention relates to a kind of system power supply supervising device and method thereof, particularly a kind of system power supply supervising device and method thereof of judging battery charging state with adjustment system power default value.
Background technology
Along with development of electronic technology, the volume of many electronic systems is more and more littler, notebook computer etc. for example, and the semaphore of its required processing is also numerous and diverse day by day.The power that a large amount of sequential operations causes electronic system to use is excessive.Power is crossed conference and is caused the element of electronic system to descend service life, even causes the damage of electronic system.Therefore, electronic system needs a kind of power-supply management system with managing electrical power effectively.With the notebook computer is example, and traditionally, power-supply management system is electric current and a magnitude of voltage of measuring power supply by resistance learning the power of system, and supervisory control system power is in safe range.
But only come detection system power easily because of the not enough calibration function of can't bringing into normal play of resistance sensitivity, and resistance wear out and the generation measure error with resistance.In case the power of measuring system produces error, the mechanism of adjustment system power will lose efficacy, and cause malfunctions such as transformer damage, electronic system damage or system works usefulness significantly reduce.
Therefore, prior art is difficult for accurate measuring system actual power only with the mode of resistance detection system power.Therefore, how to make power-sensing circuit can detect actual power, and feed back to power-supply management system automatically, make system can be at any time accurate monitoring power supply, be that industry is required.
In view of each item problem of prior art, in order to take into account solution, the inventor proposes a kind of system power supply supervising device and method thereof based on exploitation and the many practical experience of going in for the study for many years, with implementation and the foundation as the above-mentioned shortcoming of improvement.
Summary of the invention
In view of this, one of the object of the invention is to propose a kind of system power supply supervising device and method thereof, can't precisely learn the problem of system's actual power to solve the mode of utilizing resistance detection in the prior art.
For this reason, for reaching above-mentioned purpose, the present invention provides a kind of system power supply method for supervising, is applicable to electronic installation, and this device comprises charging module, power detection element and control element.Power detection element testing system power value, the power rating of control element adjustment electronic installation, control element have predefined preset battery capacity, predetermined current value and preset performance number, and wherein, preset performance number can change via adjustment.The system power supply method for supervising comprises following steps.At first control element obtains the charging data from charging module, and the charging data comprises charged state and battery capacity.Then, according to the charged state of charging data, control element judges whether charging module stops battery charge, or according to the battery capacity of the data of charging, control element judges whether battery capacity is higher than preset battery capacity.If charging module charges to battery and battery capacity is lower than preset battery capacity, judge that then whether the charging current value that charges into battery is less than the predetermined current value.If less than preset performance number, then control element reduces and presets performance number charging current value less than predetermined current value and system power value; If greater than preset performance number, then control element increases and presets performance number charging current value greater than predetermined current value and system power value.
For reaching above-mentioned purpose, the present invention also provides a kind of system power supply supervising device, is applicable to electronic installation, and it has charging module.The system power supply supervising device comprises power detection element and control element.The system power value of power detection element testing electronic installation.Control element has predefined preset battery capacity, predetermined current value and preset performance number.Control element is according to presetting performance number and the system power value power rating with the adjustment electronic installation.Wherein, Control element obtains the charging data from charging module; The charging data comprises charged state and battery capacity, and according to the charging data charged state, control element judges whether charging module stops battery charge; Or according to the charging data battery capacity, control element judges whether battery capacity is higher than preset battery capacity; If charging module charges to battery and battery capacity is lower than preset battery capacity, judge that then whether the charging current value that charges into battery is less than the predetermined current value; If less than preset performance number, then control element reduces and presets performance number charging current value less than predetermined current value and system power value.
Compare with the system power value by the preset performance number after the above-mentioned adjustment, then electronic installation can carry out the adjustment of consumed power more accurately.
Hold the above,, have one or more in the following advantage according to system power supply supervising device of the present invention and method thereof:
(1) this system power supply supervising device and method thereof can judge charge into battery charging current value whether less than predetermined current value and system power value whether less than preset performance number.If then control element reduces preset performance number, carry in case the actual power of locking system own has surpassed maximum power supply, and the system power supply supervising device does not send the action that reduces power, uses and avoids system overheat or damage.
(2) this system power supply supervising device and method thereof can judge charge into battery charging current value whether greater than predetermined current value and system power value whether greater than preset performance number.If; Then control element increases preset performance number, in case locking system itself in fact power surpass maximum power supply and carry, and the system power supply supervising device sends the action that reduces power; Use and avoid the System Operation ability not have expection reduction, the situation that application program can't normally be carried out.
Description of drawings
Fig. 1 is the flow chart of steps of system power supply method for supervising of the present invention.
Fig. 2 is the flow chart of steps of system power supply method for supervising first embodiment of the present invention.
Fig. 3 is the flow chart of steps of system power supply method for supervising second embodiment of the present invention.
Fig. 4 is the calcspar of system power supply supervising device of the present invention.
1 expression electronic installation, 2 expression charging modules, 20 expression monitoring battery circuit, 21 expression charging data; 211 expression charging current values, 212 expression charged states, 213 expression battery capacities, 22 expression batteries, 3 expression power detection elements; 31 expression system power values, 4 expression control elements, the preset performance number of 41 expressions, 42 expression preset battery capacity; 43 expression predetermined current values, S11～S14 representes steps flow chart, S21～S25 representes steps flow chart, and S31～S35 representes steps flow chart.
Embodiment
See also Fig. 1, it is for the flow chart of steps of system power supply method for supervising of the present invention.Among the figure, flow chart is by system power supply monitoring beginning.
Step S11: judge whether battery stops charging or whether battery capacity is higher than preset battery capacity.If then come control system power supply and retrieval system Power Supply Monitoring to continue to judge according to preset performance number; If not, then proceed to next procedure S12.
Step S12: judge that whether charging current value is less than the predetermined current value.If then proceed to next procedure S13; If not, then skip to step S13a.
Step S13: judge that whether the system power value is less than preset performance number.If then proceed to next procedure S14; If not, then come the control system power supply and be back to the system power supply monitoring to continue to judge according to preset performance number.
Step S14: reduce preset performance number, then continue to judge with control system power supply and retrieval system Power Supply Monitoring according to preset performance number.
Step S13a: judge that whether the system power value is greater than preset performance number.If, then proceed to next procedure S14a, if not, then continue to judge with control system power supply and retrieval system Power Supply Monitoring according to preset performance number.
Step S14a: increase preset performance number, then come control system power supply and retrieval system Power Supply Monitoring to continue to judge according to preset performance number.
Please with reference to Fig. 2, it is the flow chart of steps of system power supply method for supervising first embodiment of the present invention.Among the figure, the system power supply method for supervising is applicable to electronic installation, and this electronic installation comprises charging module, power detection element and control element at least.The system power value of power detection element testing electronic installation.The power rating of control element adjustment electronic installation, control element have predefined preset battery capacity, predetermined current value and preset performance number, and wherein preset performance number can change via adjustment.The system power supply method for supervising comprises following steps:
Step S21: control element obtains the charging data from charging module, and the charging data comprises charged state and battery capacity.
Step S22: according to the charged state of charging data, control element judges whether charging module stops battery charge, or according to this battery capacity of the data of charging, control element judges whether battery capacity is higher than preset battery capacity.
Step S23:, then judge that according to the charging data whether the charging current value that charges into battery is less than the predetermined current value if charging module charges to battery and battery capacity is lower than preset battery capacity.
Step S24: if charging current value less than predetermined current value and system power value less than preset performance number, then control element reduces and presets performance number.
Step S25: come the control system power supply according to preset performance number and system power value, carry in case the locking system actual power has surpassed maximum power supply, and the system power supply supervising device does not send the action that reduces power, and return step S21 and continue to judge.
In the above-mentioned preset performance number of adjustment so that it is with after the system power value equates, if battery is not in charged state and system power value greater than the preset performance number after proofreading and correct; Or battery capacity is higher than preset battery capacity and system power value greater than the preset performance number after proofreading and correct; Or battery is in charged state, and battery capacity is lower than preset battery capacity, and charging current value is less than predetermined current value and the system power value preset performance number after greater than adjustment.In meeting above-mentioned three conditions each the time, the control element adjustment system reduces the action of consumed power.Wherein, the adjustment mode of control element is implemented with the power supply that reduces various device in CPU computing frequency, the computing of reduction video card, attenuating or the halt system by control system power supply and management efficiency (BIOS).
Please with reference to Fig. 3, it is the flow chart of steps of system power supply method for supervising second embodiment of the present invention.Among the figure, the system power supply method for supervising is applicable to electronic installation, and this electronic installation comprises charging module, power detection element and control element at least.The system power value of power detection element testing electronic installation.The power rating of this control element adjustment electronic installation, control element have predefined preset battery capacity, predetermined current value and preset performance number, and wherein preset performance number can change via adjustment.The system power supply method for supervising comprises following steps:
Step S31: control element obtains the charging data from charging module, and the charging data comprises charged state and battery capacity.
Step S32: according to the charged state of charging data, control element judges whether charging module stops battery charge, or according to the battery capacity of the data of charging, control element judges whether battery capacity is higher than preset battery capacity.
Step S33:, then judge that according to the charging data whether the charging current value that charges into battery is less than the predetermined current value if charging module charges to battery and battery capacity is lower than preset battery capacity.
Step S34: if charging current value greater than predetermined current value and system power value greater than preset performance number, then control element increases and presets performance number.
Step S35:, carry in case the locking system actual power surpasses maximum power supply, and the system power supply supervising device has sent the action of reduction system power according to presetting performance number and system power value with the control system power supply.
In the above-mentioned preset performance number of adjustment so that it is with after the system power value equates, if battery is not in charged state and system power value less than the preset performance number after proofreading and correct; Or battery capacity is higher than preset battery capacity and system power value less than the preset performance number after proofreading and correct; Or battery is in charged state, and battery capacity is lower than preset battery capacity, and charging current value greater than predetermined current value and system power value less than the preset performance number after proofreading and correct.In meeting above-mentioned three conditions each the time, control element stops the action of above-mentioned minimizing power consumption.The adjustment mode of control element wherein, replying CPU computing frequency, video card usefulness, and the regular event of various device power supply in the system makes the system restoration normal operation by control system power supply and management efficiency (BIOS).
In first embodiment and second embodiment, electronic installation can be portable electron device, notebook or mobile communications device.The power detection element is resistance and power supply chip, behind resistance measurement input voltage and electric current, amplifies to obtain the system power value to power supply chip.Preset battery capacity is a preset battery capacity with battery self-capacity 90% preferably.And predetermined current preferably can be 0, but is not limited thereto.
Subsidiary one what carry is that the system power supply method for supervising of first embodiment and second embodiment can merge enforcement each other to provide system more complete protection, is not limited to implement separately separately.
Please with reference to Fig. 4, it is the calcspar of system power supply supervising device of the present invention.Among the figure, the system power supply supervising device is applicable to electronic installation 1, and this electronic installation 1 can be portable electron device, notebook computer or mobile communications device.Electronic installation 1 has charging module 2; Charging module 2 has monitoring battery circuit 20 and battery 22; The real-time status (for example battery 22 capacity that whether can charge at charged state, battery and the current value that infeeds battery) of battery 22 can monitored and export to monitoring battery circuit 20; Monitoring battery circuit 20 has charging data 21, and charging data 21 has charged state 212, battery capacity 213 and charging current value 211.The system power supply supervising device comprises power detection element 3 and control element 4.
Wherein, control element 4 obtains charging data 21 from monitoring battery circuit 20, judges according to charged state 212 whether charging module 2 stops whether battery 22 chargings or battery capacity 213 are higher than preset battery capacity 42.If charging module charges to battery and battery capacity is lower than preset battery capacity, then control element 4 judges that whether the charging current value 211 that charges into battery 22 is less than predetermined current value 43.If then control element 4 further reduces preset performance number 41, treat that preset performance number 41 after the adjustment with after system power value 31 is compared, learns by first embodiment, can reduce the power of total system consumption.
Otherwise battery 22 charges and battery capacity 213 is lower than preset battery capacity 42, and then control element 4 judges that whether the charging current value 211 that charges into battery 22 is greater than predetermined current value 43; If; Then control element 4 further increases preset performance number 41, treat that preset performance number 41 after the adjustment compares with system power value 31 after, learn by second embodiment; Control element 4 can make system stop the action of above-mentioned minimizing consumed power, and the recovery system normal operation.
In addition; When monitoring battery circuit 20 is given in battery 22 power supplies; The charging data 21 that monitoring battery circuit 20 is relevant with charging current value 211, charged state 212 or battery capacity 213 etc. according to this exports control element 4 to, makes the control element 4 can be according to the charging data and the preset performance number of adjustment.
The above is merely illustrative, but not is restricted.Anyly do not break away from spirit of the present invention and scope, and it is carried out equivalent modifications or change, all should be contained in the scope of applying for a patent.
Claims (8)
1. system power supply method for supervising; Be applicable to electronic installation; This electronic installation comprises charging module, power detection element and control element at least, the system power value of this this electronic installation of power detection element testing, and this control element preestablishes preset battery capacity, predetermined current value and preset performance number; Should preset the power rating that performance number is used for this electronic installation of adjustment, this system power supply method for supervising comprises following steps:
This control element is obtained the charging data from this charging module, and this charging data comprises charged state and battery capacity;
According to this charged state of this charging data, this control element judges whether this charging module stops battery charge, or according to this battery capacity of this data of charging, this control element judges whether this battery capacity is higher than preset battery capacity;
If this charging module charges to this battery and this battery capacity is lower than this preset battery capacity, then judge that according to this charging data whether the charging current value that charges into this battery is less than this predetermined current value; And
If less than this preset performance number, then reduce should preset performance number for this control element less than this predetermined current value and this system power value for this charging current value.
2. the system of claim 1 method for monitoring power supply also comprises:
If greater than this preset performance number, then increase should preset performance number for this control element greater than this predetermined current value and this system power value for this charging current value.
3. the system of claim 1 method for monitoring power supply is characterized in that, this power detection element is resistance and power supply chip.
4. the system of claim 1 method for monitoring power supply is characterized in that, this electronic installation is portable electron device, notebook computer or mobile communications device.
5. a system power supply supervising device is applicable to the electronic installation with charging module, and this system power supply supervising device comprises:
The power detection element detects the system power value of this electronic installation; And
Control element preestablishes preset battery capacity, predetermined current value and preset performance number, and this control element came the power rating of this electronic installation of adjustment according to presetting performance number and this system power value;
Wherein, This control element obtains the charging data from this charging module; This charging data comprises charged state and battery capacity, and according to this charging data this charged state, this control element judges whether this charging module stops battery charge; Or according to this charging data this battery capacity, this control element judges whether this battery capacity is higher than this preset battery capacity; If this control element judges that this battery charges and this battery capacity is lower than this preset battery capacity, judge that then whether the charging current value that charges into this battery is less than this predetermined current value; If this control element judge this charging current value less than this predetermined current value and this system power value less than this preset performance number, then reduce should preset performance number for this control element.
6. system power supply supervising device as claimed in claim 5; It is characterized in that; If this control element judge this charging current value of charging into this battery greater than this predetermined current value and this system power value greater than this preset performance number, then increase should preset performance number for this control element.
7. system power supply supervising device as claimed in claim 5 is characterized in that, this power detection element is resistance and power supply chip.
8. system power supply supervising device as claimed in claim 5 is characterized in that, this electronic installation is portable electron device, notebook computer or mobile communications device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910004342XA CN101800432B (en) | 2009-02-06 | 2009-02-06 | Device and method for monitoring system power supply |
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| CN200910004342XA CN101800432B (en) | 2009-02-06 | 2009-02-06 | Device and method for monitoring system power supply |
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| CN101800432B true CN101800432B (en) | 2012-06-06 |
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| WO2012120994A1 (en) * | 2011-03-04 | 2012-09-13 | 株式会社安川電機 | Control device |
| CN103441558B (en) * | 2013-08-06 | 2016-03-16 | 奇瑞汽车股份有限公司 | Charge control method and electric automobile car-mounted terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278487A (en) * | 1988-03-15 | 1994-01-11 | Norand Corporation | Battery conditioning system having communication with battery parameter memory means in conjunction with battery conditioning |
| US6181103B1 (en) * | 1997-05-27 | 2001-01-30 | Shu-Chin Chen | Advanced intelligent computer power management system |
| TW574643B (en) * | 2002-06-21 | 2004-02-01 | Elitegroup Computer Sys Co Ltd | Power supply management method and system thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278487A (en) * | 1988-03-15 | 1994-01-11 | Norand Corporation | Battery conditioning system having communication with battery parameter memory means in conjunction with battery conditioning |
| US6181103B1 (en) * | 1997-05-27 | 2001-01-30 | Shu-Chin Chen | Advanced intelligent computer power management system |
| TW574643B (en) * | 2002-06-21 | 2004-02-01 | Elitegroup Computer Sys Co Ltd | Power supply management method and system thereof |
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