CN102193614A - Power supply control system, power supply control method and computer system - Google Patents
Power supply control system, power supply control method and computer system Download PDFInfo
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- CN102193614A CN102193614A CN2010101211444A CN201010121144A CN102193614A CN 102193614 A CN102193614 A CN 102193614A CN 2010101211444 A CN2010101211444 A CN 2010101211444A CN 201010121144 A CN201010121144 A CN 201010121144A CN 102193614 A CN102193614 A CN 102193614A
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Abstract
The invention discloses a power supply control system, a power supply control method and a computer system. The power supply control system is used for a computer system, receives a power supply signal supplied by a power supply module through a control signal for executing a bootstrap program, and comprises a control module, a power supply management module, a first switch module and a second switch module, wherein the control module receives the control signal; the power supply management module is electrically connected with the control module, receives the power supply signal for outputting auxiliary power supply; the first switch module is electrically connected with the control module and the power supply management module, controls the power supply management module, and controls the power supply management module to output the auxiliary power supply to the control module; and the second switch module is electrically connected with the control module and the first switch module and controls the first switch module. After receiving the control signal, the control module judges whether the control signal is continuously input to a specific time, if so, controls the first switch module to continuously transmit the auxiliary power supply and receive the power supply signal for executing the bootstrap program through the second switch module. The power supply control system saves electric power consumption.
Description
Technical field
The present invention relates to a kind of power control system, power control method and computer system thereof, particularly a kind of power control system, power control method and computer system thereof that under off-mode, can prevent power consumption.
Background technology
Along with development of science and technology, computer system now is more and more universal in the application of life.When computer system is shut down, still have the power supply signal input of part usually, computer system can be started shooting smoothly.With the notebook computer is example, when notebook computer shuts down, still can continue to consume the electric power of battery or the electric power of chamber electricity.Will cause the waste of electric power thus.
On the other hand, in the modern times that the environmental protection idea promotes, notebook computer now may directly be installed on battery in the notebook computer to reduce extra packing when shipment.But notebook computer still may continue the electric power of consuming cells under off-mode thus, make that the user obtains notebook computer after, must go ahead of the rest to could starting shooting after the battery charge trouble comparatively in user's use.
Therefore be necessary to invent a kind of power control system and power control method, to solve the disappearance of prior art.
Summary of the invention
Fundamental purpose of the present invention is that a kind of power control system and computer system thereof are being provided, and it has the effect that can prevent power consumption under off-mode.
Another fundamental purpose of the present invention is in the method that a kind of power supply control is provided.
For reaching above-mentioned purpose, power control system of the present invention is used for a computer system, in order to by a control signal to receive the power supply signal supplied via a power supply module to carry out a boot program, this power control system comprises a control module, a power management module, one first switch module and a second switch module, and this control module is in order to receive this control signal; This power management module and this control module electrically connect, in order to receive this power supply signal to export an accessory power supply; This first switch module and this control module and this power management module electrically connect, and in order to control this power management module, this first switch module is exported this accessory power supply to this control module by this control signal to control this power management module; This second switch module and this control module and this first switch module electrically connect, in order to control this first switch module; Wherein after this control module receives this control signal, judge whether this control signal continues input and reach a special time; If then this control module continues this accessory power supply of transmission to control first switch module, and receives this power supply signal to carry out this boot program via this second switch module.
Power control method of the present invention is used for a computer system, and this method may further comprise the steps: import a control signal; Control one first switch module to import an accessory power supply by this control signal; Judge whether this control signal continues input and reach a special time; If, then by a second switch module controlling this first switch module, to continue this accessory power supply of input; And import a power supply signal to carry out a boot program.
Computer system of the present invention comprises a power supply module, a power key and a power control system, and this power supply module is in order to supply a power supply signal; This power key is for input one control signal; This power control system and this power supply module and this power key electrically connect (in order to this power supply signal of being supplied via this power supply module with reception by this control signal of this power key input), this power control system comprises a control module, a power management module, one first switch module and a second switch module, and this control module is in order to receive this control signal; This power management module and this control module electrically connect, in order to receive this power supply signal to export an accessory power supply; This first switch module and this control module and this power management module electrically connect, and in order to control this power management module, this first switch module is exported this accessory power supply to this control module by this control signal to control this power management module; This second switch module and this control module and this first switch module electrically connect, in order to control this first switch module; Wherein after this control module receives this control signal, judge whether this control signal continues input and reach a special time; If then this control module is controlled this second switch module, continue this accessory power supply of transmission to control this first switch module, and receive this power supply signal to carry out a boot program.
The computer system of the present invention signal of can under off-mode, cutting off the electricity supply fully, and the phenomenon of false touch can not take place, to save the consumption of electric power.
Description of drawings
Fig. 1 is the synoptic diagram of computer system of the present invention.
Fig. 2 is the circuit diagram of power control system of the present invention.
Fig. 3 is the flow chart of steps of power control method of the present invention.
The primary clustering symbol description:
Power control system 10 second switch modules 32
Control module 11 power keys 41
Power management module 12 buffer modules 51
Power supply module 20 capacity cell C
First power supply module, 21 diode D1, D2, D3, D4
Second source supply module 22 resistive element R1, R2, R3, R4
Embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, cited below particularlyly go out specific embodiments of the invention, and cooperate appended accompanying drawing, be described in detail below.
Please refer to Fig. 1, Fig. 1 is the synoptic diagram of computer system of the present invention.
Power control system 10 of the present invention is arranged in the computer system 1.This computer system 1 can be the system that notebook computer or mobile phone etc. have operation processing function, but the present invention is not as limit.Computer system 1 comprises power control system 10, power supply module 20 and power key 41.Power supply module 20 electrically connects with power control system 10, in order to produce a power supply signal, uses for other electronic packages in control module 11 in the power control system 10 or the computer system 1.Power supply module 20 can comprise first power supply module 21 and second source supply module 22.Wherein first power supply module 21 can be the jack module of junction chamber electricity, in order to the supply via ac supply signal change and must first power supply signal.Second source supply module 22 can be a battery module, in order to supply utilize dc power signal change and the second source signal, but the present invention is not as limit.Power key 41 electrically connects with power control system 10, uses the operation for the user, to import the usefulness of a control signal as computer system 1 start.
Power control system 10 comprises control module 11, power management module 12, first switch module 31, second switch module 32 and other circuit units.Composition that it is detailed and working method please refer to Fig. 2, and Fig. 2 is the circuit diagram of power control system of the present invention.
Power control system 10 comprises control module 11, power management module 12, first switch module 31, second switch module 32, buffer module 51 and other circuit units, for example diode D1, D2, D3, D4, resistive element R1, R2, R3, R4 and capacity cell C etc.
Control module 11 can be a keyboard control chip (KBC) or a microprocessor (Microprocessor), in order to judge whether to start shooting and necessity work of treatment during computer system 1 start.Power management module 12 electrically connects with control module 11, can be a power supply chip (Power IC), in order to receive power supply signal to export an accessory power supply to control module 11, makes control module 11 can enter armed state.
First switch module 31 electrically connects with control module 11 and power management module 12, and can the accessory power supply of exporting in order to control power management module 12 transfer in the control module 11.Second switch module 32 electrically connects with the control module 11 and first switch module 31.Whether control module 11 utilizes second switch module 32 to control first switch module 31, to determine first switch module 31 will cut off or to continue the transmission accessory power supply.Wherein first switch module 31 and second switch module 32 are made by a metal oxide semiconductor transistor, for example P-type mos transistor or N type metal oxide semiconductor transistor.Describe and be all the transistorized embodiment of P-type mos with first switch module 31 and second switch module 32 in this manual, but the present invention is not as limit.
Also comprised the buffer module of being formed by resistive element R1 and capacity cell C 51 at power control system 10.Buffer module 51 in order to when signal potential is changed as the usefulness of buffering, in conducting moment the situation that voltage descends suddenly appears with the buffering accessory power supply, reach the effect of voltage stabilizing.Diode D1 prevents the blurring or the usefulness of the reverse transmission of anti-stop signal to D4 in order to conduct.For example, diode D1 can prevent control signal from the power control system 10 reverse power keys 41 that flow to, and can prevent that the situation of leaking electricity from taking place.Diode D2 can prevent that first power supply signal and the control signal of first power supply module 21 from obscuring, and avoids control module 11 to think first power supply signal by mistake control signal.Resistive element R2 to R4 then in order to the usefulness of anti-stop signal erroneous judgement.Since above-mentioned buffer module 51, diode D1 to D4, resistive element R1 to R4 and the purposes of capacity cell C similar to general circuit design, and be not that the present invention wants improved emphasis place, so do not repeat them here its mode of action.
Control module 11 can be first power supply module 21 or second source supply module 22 in order to what check computer system 1 connection.When computer system 1 connects first power supply module 21, first power supply module, 21 outputs, first power supply signal, to control 31 conductings of first switch module, the transmission accessory power supply is to control module 11.Thus, control module 11 can enter armed state and starts computer system 1 with wait control signal input.
When computer system 1 connects second source supply module 22, so that to save electric power in the second source supply module 22, just control module 11 must determine whether earlier that will carry out start can enter armed state.
After the user pressed power key 41, control module 11 can receive control signal.This control signal can be transferred to first switch module 31 simultaneously simultaneously, arrives control module 11 in order to control power management module 12 with the transmission accessory power supply.After control module 11 receives accessory power supply, enter armed state to start handling procedure.This moment, whether control module 11 inspections earlier continued to receive that control signal reaches a special time, and wherein special time is equal to or greater than 40 milliseconds in fact.If do not continue to 40 milliseconds, then may the person's of being to use false touch arrive power key 41.Wherein, special time can be done different set according to system requirements, for example continues to push 100 milliseconds, and the present invention is not as limit.Therefore control module 11 outputs this moment one high potential signal is further controlled first switch module 31 and is cut off the accessory power supply that transfers to control module 11 to second switch module 32, makes control module 11 cut off the power supply fully.If receiving, control signal continues to be equal to or greater than 40 milliseconds, then control module 11 outputs one low-potential signal is to second switch module 32, continue the transmission accessory power supply to control first switch module 31, allow control module 11 can utilize power supply signal to carry out follow-up boot program.Above-mentioned mode can allow control module 11 cut off the power supply fully when computer system 1 shutdown, to save the electric power in the second source supply module 22.
Then please refer to Fig. 3, Fig. 3 is the flow chart of steps of power control method of the present invention.Be noted that herein, though below be that example illustrates power control method of the present invention with computer system 1 with power control system 10, power control method of the present invention is not so that be used in power control system 10 and exceed.
At first power control system 10 can carry out step 301 earlier: judge to connect first power supply module or only connect the second source supply module.
At first the control module 11 of power control system 10 judges that earlier the power supply module 20 that computer system 1 is connected is first power supply modules 21 or has only the second source of connection supply module 22.
Connect first power supply module 21 if having, then carry out step 302: by first power supply signal to control first switch module to continue the input accessory power supply.
In this step 302, the power supply signal of first power supply module 21 is directly controlled first switch module 31, makes power management module 12 continue the transmission accessory power supply to control module 11.This moment, control module 11 entered armed state, waited for that the user presses power key 41, got final product the boot program of direct computer system 1.After the user presses power key 41, enter the boot program of step 307 with computer system 1.Step 307 after have detailed description, do not give unnecessary details earlier at this.
If only connect second source supply module 22, then carry out step 303: input control signal, and control first switch module with the input accessory power supply by control signal.
If when only connecting second source supply module 22, control module 11 is not carried out armed state earlier, and is in the state of outage fully.Can save the electrical source consumption of second source supply module 22 thus.
Then after the user presses power key 41, can arrive the control module 11 and first switch module 31 by input control signal.Control signal is controlled first switch module 31 allows power management module 12 transmission accessory power supplys input to control module 11, allows control module 11 enter armed state.
Then carry out step 304: judge whether control signal continues input and reach special time.
After the user pressed power key 41, control signal also was input to control module 11 simultaneously.After process step 303 allowed control module 11 enter armed state, then control module 11 judged whether control signal continues input and reach special time, for example received to continue to be equal to or greater than 40 milliseconds.
Do not reach special time if receive, then carry out step 305: cut off accessory power supply to control first switch module by the second switch module.
If control module 11 does not receive control signal and reaches special time, can represent power key 41 by false touch.Therefore control module 11 control second switch modules 32 to send high potential signal via second switch module 32, allow the cut off the electricity supply signal of administration module 12 of first switch module 31, to cut off accessory power supply.
Reach special time if receive, then carry out step 306: by the second switch module to control first switch module, to continue the input accessory power supply.
After if control module 11 reception control signals reach special time, control module 11 control second switch modules 32 to send a low-potential signal via second switch module 32, allow first switch module 31 continue the transmission accessory power supplys.
Carry out step 307 at last: the input power supply signal is to carry out boot program.
At last by power supply module 20 with the input power supply signal, if power supply module 20 is first power supply module 21, then import first power supply signal; If power supply module 20 only has second source supply module 22, then import the second source signal.Thus, control module 11 gets final product the boot program of computer system 1.
Be noted that after carry out step 302, control module 11 also can judge whether control signal continues input and reach special time (being step 304), carry out step 307 again, to avoid user's false touch power key 41.
Be noted that herein power control method of the present invention does not exceed with above-mentioned order of steps, as long as can reach purpose of the present invention, but the also change of above-mentioned order of steps.
By above-mentioned method and Circuits System, the computer system 1 of the present invention signal of can under off-mode, cutting off the electricity supply fully, and the phenomenon of false touch can not take place, to save the consumption of electric power.
To sum up institute is old, and no matter the present invention everywhere all shows it totally different in the feature of known technology with regard to purpose, means and effect, earnestly asks the auditor to perceive, and grants quasi patent early, makes Jiahui society, and the true feeling moral just.Only it should be noted that above-mentioned many embodiment give an example for convenience of explanation, the present invention's interest field required for protection should be as the criterion so that the scope of claims is described naturally, but not only limits to the foregoing description.
Claims (16)
1. a power control system is used for a computer system, in order to by a control signal to receive the power supply signal supplied via a power supply module to carry out a boot program, this power control system comprises:
One control module, this control module is in order to receive this control signal;
One power management module, this power management module and this control module electrically connect, in order to receive this power supply signal to export an accessory power supply;
One first switch module, this first switch module and this control module and this power management module electrically connect, in order to control this power management module, this first switch module is exported this accessory power supply to this control module by this control signal to control this power management module; And
One second switch module, this second switch module and this control module and this first switch module electrically connect, in order to control this first switch module; Wherein after this control module receives this control signal, judge whether this control signal continues input and reach a special time; If then this control module continues this accessory power supply of transmission to control this first switch module, and receives this power supply signal to carry out this boot program via this second switch module.
2. power control system as claimed in claim 1, wherein this power supply signal is one first power supply signal or a second source signal, and this control module also comprises in order to judge that this power supply signal that receives is this first power supply signal or this second source signal; Wherein this first power supply signal is changed and is got via an ac supply signal, and this second source signal is changed and got via a direct current power supply signal.
3. power control system as claimed in claim 2, wherein if this power supply signal is this second source signal, do not reach this special time when this control signal continues input, then this control module is cut off this accessory power supply by this second switch module to control this first switch module.
4. power control system as claimed in claim 2, wherein if this power supply signal is this first power supply signal, then this first switch module is further exported this accessory power supply to this control module by this first power supply signal to control this power management module.
5. power control system as claimed in claim 1, this power control system also comprises at least one diode.
6. power control system as claimed in claim 1, wherein this special time is equal to or greater than 40 milliseconds in fact.
7. power control system as claimed in claim 1, this power control system also comprises a buffer module.
8. a power control method is used for a computer system, and this method may further comprise the steps:
Import a control signal;
Control one first switch module to import an accessory power supply by this control signal;
Judge whether this control signal continues input and reach a special time;
If, then by a second switch module controlling this first switch module, to continue this accessory power supply of input; And
Import a power supply signal to carry out a boot program.
9. power control method as claimed in claim 8, further comprising the steps of:
Detect this power supply signal and belong to a second source signal or one first power supply signal; Wherein this first power supply signal is changed and is got via an ac supply signal, and this second source signal is changed and got via a direct current power supply signal.
10. power control method as claimed in claim 9, wherein when this power supply signal is this second source signal, then further comprising the steps of:
Do not reach this special time if this control signal continues input, then cut off this accessory power supply to control this first switch module by this second switch module.
11. power control method as claimed in claim 9 is wherein if this power supply signal belongs to this first power supply signal, then further comprising the steps of:
By this first power supply signal to control this first switch module to continue this accessory power supply of input.
12. a computer system comprises:
One power supply module, this power supply module is in order to supply a power supply signal;
One power key, this power key is for input one control signal; And
One power control system, this power control system and this power supply module and this power key electrically connect, and this power control system comprises:
One control module, this control module is in order to receive this control signal;
One power management module, this power management module and this control module electrically connect, in order to receive this power supply signal to export an accessory power supply;
One first switch module, this first switch module and this control module and this power management module electrically connect, in order to control this power management module, this first switch module is exported this accessory power supply to this control module by this control signal to control this power management module; And
One second switch module, this second switch module and this control module and this first switch module electrically connect, in order to control this first switch module; Wherein after this control module receives this control signal, judge whether this control signal continues input and reach a special time; If then this control module is controlled this second switch module, continue this accessory power supply of transmission to control this first switch module, and receive this power supply signal to carry out a boot program.
13. computer system as claimed in claim 12, wherein this power supply signal is one first power supply signal or a second source signal, and this control module also comprises in order to judge that this power supply signal that receives is this first power supply signal or this second source signal; Wherein this first power supply signal is changed and is got via an ac supply signal, and this second source signal is changed and got via a direct current power supply signal.
14. computer system as claimed in claim 13, wherein if this power supply signal is this second source signal, do not reach this special time when this control signal continues input, then this control module is cut off this accessory power supply by this second switch module to control this first switch module.
15. computer system as claimed in claim 13, wherein if this power supply signal is this first power supply signal, then this first switch module is further exported this accessory power supply to this control module by this first power supply signal to control this power management module.
16. computer system as claimed in claim 12, wherein this special time is equal to or greater than 40 milliseconds in fact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101211444A CN102193614A (en) | 2010-03-10 | 2010-03-10 | Power supply control system, power supply control method and computer system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101211444A CN102193614A (en) | 2010-03-10 | 2010-03-10 | Power supply control system, power supply control method and computer system |
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| CN102193614A true CN102193614A (en) | 2011-09-21 |
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| CN2010101211444A Pending CN102193614A (en) | 2010-03-10 | 2010-03-10 | Power supply control system, power supply control method and computer system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102854966A (en) * | 2012-08-15 | 2013-01-02 | 天地融科技股份有限公司 | Electronic equipment and power management circuit |
| CN103576568A (en) * | 2012-08-06 | 2014-02-12 | 联想(北京)有限公司 | Current output method and electronic equipment |
| CN103105921B (en) * | 2013-01-30 | 2016-08-31 | 山东超越数控电子有限公司 | A kind of method reducing lithium battery static power consumption under laptop shutdown state |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103576568A (en) * | 2012-08-06 | 2014-02-12 | 联想(北京)有限公司 | Current output method and electronic equipment |
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Application publication date: 20110921 |