CN101261532A - Electronic device energy supply control module and energy supply control method - Google Patents
Electronic device energy supply control module and energy supply control method Download PDFInfo
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- CN101261532A CN101261532A CNA2007100858807A CN200710085880A CN101261532A CN 101261532 A CN101261532 A CN 101261532A CN A2007100858807 A CNA2007100858807 A CN A2007100858807A CN 200710085880 A CN200710085880 A CN 200710085880A CN 101261532 A CN101261532 A CN 101261532A
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Abstract
A power supply control module of an electronic device comprises a central processing unit, a switch unit which is electrically connected with the central processing unit and a logical unit. An input end of the logical unit is electrically connected with the switch unit and the central processing unit, and an output end thereof is electrically connected with a power supply unit of the electronic device. A switch signal is output to the central processing unit and the logical unit by pressing the switch unit, thus the logical unit controls the power supply unit to supply power to the central processing unit, at the same time, when the central processing unit judges that the switch signal is a starting signal, a power supply signal is output to the logical unit to control the power supply unit for sustained power supply, when the central processing unit judges that the switch signal is a closing signal, a power-off signal is output to the logical unit to control the power supply unit to stop the power supply.
Description
Technical field
The present invention relates to a kind of control module, particularly relate to a kind of energy supply control module and power control method thereof of electronic installation.
Background technology
Consult Fig. 1, an existing electronic installation 1 has a central processing unit 11, a system switching module 12, reach one in order to supply with the power supply unit 13 of electronic installation 1 required electric power, power supply unit 13 is electrically connected central processing unit 11, and be the energy storage device that to separate from electronic installation 1, for example various batteries such as dry cell, lithium battery.System switching module 12 is electrically connected central processing unit 11, and has a system switching 121, and system switching 121 can be pressed and carry out a boot program with control central processing unit 11, makes electronic installation 1 enter power on mode and manipulates for the user.Electronic installation 1 is under power on mode, when system switching 121 is subjected to pushing once more, central processing unit 11 is just carried out a shutdown programm, but after electronic installation 1 shutdown, because this moment, power supply unit 13 still was installed on the electronic installation 1, therefore the meeting continuation such as (figure do not show) of the Synchronous Dynamic Random Access Memory (SDRAM) of the buffer of central processing unit 11 and electronic installation 1 consumes the electric power of power supply unit 13, therefore, when electronic installation 1 dispatches from the factory or do not use, usually power supply unit 13 is separated from electronic installation 1, to prevent that said modules from consuming the electric power of power supply unit 13, yet, often plug power supply unit and moment be to electronic installation 1 power supply or outage, easily causes partly circuit damage and cause the electronic installation 1 can't normal operation.
Therefore, for addressing the above problem, consult Fig. 2, existing electronic installation 2 designs of another type have the control circuit 23 of an electrical connection central processing unit 21 and power supply unit 22, control circuit 23 is normally realized by a microprocessor, the time span that is pressed in order to a system switching 241 of computing system switch module 24, and then the judgement system will enter power on mode or shutdown mode, when system switching 241 is pushed and control circuit 23 judgement systems are in the time of will entering power on mode, central processing unit 21 is given in 22 power supplies of control circuit 23 control power supply units, and make central processing unit 21 carry out boot program, so electronic installation 2 enters power on mode, at this moment, if system switching 241 is subjected to pushing once more and control circuit 23 judgement systems are in the time of will entering shutdown mode, control circuit 23 just makes central processing unit 21 carry out shutdown programm, so electronic installation 2 enters shutdown mode, and after central processing unit 21 is finished shutdown programm, send a shutdown signal and give control circuit 23, stop power supply to central processing unit 21 with control power supply unit 22, with the electric power of the power supply unit 22 that avoids waste.Though this type electronic installation 2 need can not solve the power consumption problem of central processing unit 21 assemblies such as grade when shutdown mode by dismounting power supply unit 22, cause the circuit of electronic installation 2 comparatively complicated.
So, for addressing the above problem, consult Fig. 3,3 designs of the existing electronic installation of another type have a power switching module 31 and a power control circuit 32.When one of power switching module 31 switches switch 311 closures, power switching module 31 provides a low level signal to power control circuit 32, so power control circuit 32 control power supply units 33 supply power to central processing unit 34, make electronic installation 3 enter standby mode.This moment is if a system switching 351 of system switching module 35 is pressed, central processing unit 34 just can be carried out boot program, make electronic installation 3 enter power on mode, when electronic installation 3 is subjected to pushing once more in power on mode and system switching 351, central processing unit 34 is just carried out a shutdown programm, because this moment, change-over switch 311 was still at closure state, electronic installation 3 is to reply to be standby mode, if change-over switch 311 is pulled open, power switching module 31 provides a high level signal to power control circuit 32, power control circuit 32 is just controlled power supply unit 33 and is stopped power supply to central processing unit 34, makes electronic installation 3 enter complete off-mode.Though this type electronic installation 3 can by change-over switch 311 control power supply units 33 stop power supply to central processing unit 34 to avoid power consumption, but, produce spring in the moment of toggle switch easily and cause systematic electricity supply shakiness and cause deadlock because change-over switch 311 is mechanical switch.
Summary of the invention
Therefore, purpose of the present invention, promptly providing a kind of is the system power supply of may command electronic installation and the energy supply control module of simplifying circuit by pushing single switch.
Another object of the present invention, providing a kind of is the system power supply of may command electronic installation and the power control method of simplifying circuit by pushing single switch.
So the energy supply control module of electronic installation of the present invention comprises a central processing unit, a switch element and a logical block.This electronic installation has the power supply unit of this central processing unit of electrical connection.This switch element is electrically connected with this central processing unit.The input end of this logical block is electrically connected this switch element and this central processing unit, and its output terminal then is electrically connected this power supply unit.Export a switch signal when this switch element is pressed and give this central processing unit and this logical block, making this logical block control this power supply unit powers to this central processing unit, this central processing unit is judged when this switch signal is a start signal simultaneously, output one power supply signal is given this logical block, to control this power supply unit continued power, and when this central processing unit judges that this switch signal is a shutdown signal, then export an outage signal and give this logical block, stop power supply to control this power supply unit.
The power control method of electronic installation of the present invention, this electronic installation have a power supply unit, a central processing unit and a switch element.This power control method comprises: a logical block (A) is provided, and its input end is electrically connected this central processing unit and this switch element, and its output terminal is electrically connected this power supply unit; (B) be pressed and when exporting a switch signal and giving this central processing unit and this logical block when this switch element, this logical block is controlled this power supply unit and is powered to this central processing unit, this central processing unit is judged when this switch signal is a start signal simultaneously, output one power supply signal is given this logical block, to control this power supply unit continued power; And (C) to judge this switch signal when this central processing unit be shutdown during signal, and output one outage signal is given this logical block, stops power supply to control this power supply unit.
Description of drawings
Fig. 1 is a circuit block diagram, illustrates that existing one has the power switch framework of the electronic installation of a central processing unit;
Fig. 2 is a circuit block diagram, and the power switch framework of another existing electronic installation is described;
Fig. 3 is a circuit block diagram, and the power switch framework of an existing electronic installation is described again; And
Fig. 4 is a circuit block diagram, and the preferred embodiment of the energy supply control module of electronic installation of the present invention is described.
The reference numeral explanation
1 electronic installation
11 central processing units
12 system switching modules
121 system switchings
13 power supply units
2 electronic installations
21 central processing units
22 power supply units
23 control circuits
24 system switching modules
241 system switchings
3 electronic installations
31 power switching modules
311 change-over switches
32 power control circuits
33 power supply units
34 central processing units
35 system switching modules
351 system switchings
4 electronic installations
41 energy supply control modules
411 switch elements
412 logical blocks
413 central processing units
414 input ends
415 input ends
416 output terminals
417 change-over switches
418 resistance
419 nodes
42 hardware cells
43 power supply units
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in detailed description, can clearly present below in conjunction with a preferred embodiment of accompanying drawing.
Consult Fig. 4, Fig. 4 is the preferred embodiment of the energy supply control module 41 of electronic installation 4 of the present invention, it is in order to realize the power control method of electronic installation of the present invention, and the electronic installation 4 of present embodiment has a plurality of hardware cells 42, and the power supply unit 43 of the described hardware cell 42 of an electrical connection.
Energy supply control module 41 comprises a switch element 411, a logical block 412, and the central processing unit 413 of an electrical connection power supply unit 43.Logical block 412 be one have 414,415 and output terminals 416 of two input ends " or " logic gate (OR Gate), its input end 414,415 is electrically connected switch element 411 and central processing unit 413 respectively, 416 of its output terminals are electrically connected power supply unit 43, in the present embodiment, though logical block 412 be with " or " logic gate realizes, but in fact not as limit, logical block 412 also can utilize other equivalent logical circuit that can produce inclusive-OR operation to realize.
411 of switch elements comprise that one switches switch 417 and a resistance 418, one end resistance in series, the 418 back ground connection of change-over switch 417, the other end then is electrically connected a power Vcc, the output terminal of switch element 411 couples a node 419 of 418 of adaptive switched switch 417 and resistance, and an input end 414 of central processing unit 413 and logical block 412 all is electrically connected this node 419, make when change-over switch 417 is subjected to pushing, the switch signal of switch element 411 outputs one high level voltage is given an input end 414 and the central processing unit 413 of logical block 412, and when change-over switch 417 was not pressed, 411 of switch elements provided an input end 414 and the central processing unit 413 of a low level voltage to logical block 412.In the present embodiment, the power Vcc that change-over switch 417 is electrically connected is by power supply unit 43 supply capabilities, and Vcc removes supply power and makes switch element 411 output high level voltage when change-over switch 417 is pressed, and also provides logical block 412 required operating voltage.
When change-over switch 417 is pressed, the switch signal of switch element 411 output high level voltages is given central processing unit 413 and logical block 412, make 43 power supplies of logical block 412 outputs one high level signal control power supply unit give central processing unit 413 central processing unit 413 startups then, central processing unit 413 judges whether change-over switch 417 continues to be pressed simultaneously, and whether the time span of pushing reaches one first o'clock distance, if, the switch signal of switch element 411 outputs is that time span is the pulse signal of first o'clock distance, central processing unit 413 judges that promptly this moment, the switch signal was a start signal, and export a power supply signal (high level) and give the input end 415 of logical block 412, make logical block 412 output high level signal control power supply units 43 continued powers, and the hardware cell 42 of electronic installation 4 is given in power supply simultaneously.Central processing unit 413 is carried out a boot program then, makes electronic installation 4 enter the preset function of power on mode for user's operating electronic devices 4.In the present embodiment, the power supply signal of central processing unit 413 outputs is high level voltages, the start signal is a pulse signal of keeping high level voltage at first o'clock in the distance, and logical block 412 be " or " logic gate, therefore logical block 412 to power supply unit 43, makes power supply unit 43 continue output powers to central processing unit 413 according to the power supply signal of input and the corresponding output high level voltage of start signal.
When electronic installation 4 under power on mode, change-over switch 417 is pressed once more, and the time span that continues to be pressed be one with first o'clock apart from different second o'clock apart from the time, the switch signal of switch element 411 outputs is that time span is the pulse signal of second o'clock distance, central processing unit 413 judges that this switch signal is a shutdown signal, central processing unit 413 is just carried out a shutdown programm, earlier electronic installation 4 present executory programs or action are finished, export an outage signal again and give logical block 412, stop power supply with control power supply unit 43, make electronic installation 4 enter shutdown mode.In the present embodiment, the outage signal of central processing unit 413 outputs is low level voltages, the shutdown signal is a pulse signal of keeping high level voltage at second o'clock in the distance, logical block 412 be " or " logic gate, when change-over switch 417 stops to be subjected to pushing, switch element 411 is with regard to output high level voltage no longer and low level voltage is provided, make an input end 414 of logical block 412 keep low level voltage, when central processing unit 413 executes shutdown programm, send the outage signal of low level voltage another input end 415 to logical block 412, the just corresponding output low level voltage of logical block 412 this moment makes power supply unit 43 stop output power to central processing unit 413 to power supply unit 43.
When electronic installation 4 under power on mode, and the time span that change-over switch 417 continues to be pressed be one be different from first or the 3rd o'clock of second o'clock distance apart from the time, the switch signal of switch element 411 output is to be the pulse signal of high level voltage at the 3rd o'clock apart from interior, central processing unit 413 judges that this switch signal is a time-out signal, and enters a park mode.At this moment, central processing unit 413 outputs one management and control signal is to power supply unit 43, and power supply unit 43 outputs to the electric power of described hardware cell 42 according to the adjustment of management and control signal.Hardware cell 42 is a display screen and a synchronous dynamic RAM in the present embodiment, power supply unit 43 is when park mode, stop to supply with described hardware cell 42 electric power, changed because central processing unit 413 exports the power supply signal of power supply unit 43 to, so power supply unit 43 is still kept power supply to central processing unit 413.If this moment, change-over switch 417 was pushed and the time span that is pressed is first o'clock distance, power supply unit 43 controlled output powers are to central processing unit 413, and central processing unit 413 is carried out boot program, make electronic installation 4 resetting starting patterns, if this moment, change-over switch 417 was pushed and the time span that is pressed is second o'clock distance, 413 of central processing units are carried out shutdown programm, and the also controlled output power that stops of power supply unit 43 makes electronic installation 4 enter shutdown mode.
Generally speaking, the energy supply control module 41 of electronic installation 4 of the present invention, circuit control central processing unit 413 and power supply unit 43 by logical block 412 collocation switch elements 411, the user carries out default boot program by pushing change-over switch 417 control central processing units 413, shutdown programm and park mode, and power supply unit 43 cooperates supplies with required electric power, do not need two change-over switches and complicated circuit can reach identical effect, not only solve and existingly cause the unstable problem of machine of working as of systematic electricity because of stirring mechanical switch, also simplify the circuit and the mechanism design of electronic installation, have positive effect for compactization of electronic installation.
The above is preferred embodiment of the present invention only, and can not limits scope of the invention process with this, and all simple equivalent of being done according to claim of the present invention and invention description content change and modify, and all still belongs in the scope that patent of the present invention contains.
Claims (19)
1. the energy supply control module of an electronic installation, this electronic installation has a power supply unit, and this energy supply control module comprises:
One central processing unit is electrically connected this power supply unit;
One switch element is electrically connected with this central processing unit; And
One logical block, its input end are electrically connected this switch element and this central processing unit, and its output terminal is electrically connected this power supply unit;
Export a switch signal when this switch element is pressed and give this central processing unit and this logical block, making this logical block control this power supply unit powers to this central processing unit, this central processing unit is judged when this switch signal is a start signal simultaneously, output one power supply signal is given this logical block, to control this power supply unit continued power, and when this central processing unit judges that this switch signal is a shutdown signal, then export an outage signal and give this logical block, stop power supply to control this power supply unit.
2. the energy supply control module of electronic installation as claimed in claim 1, wherein, this switch element comprises one of series connection and switches switch and a resistance, this change-over switch one end is electrically connected this power supply unit, this resistance one end ground connection makes when this change-over switch is pressed, and exports this switch signal.
3. the energy supply control module of electronic installation as claimed in claim 1, wherein, this start signal is that a time length is the pulse signal of one first o'clock distance.
4. the energy supply control module of electronic installation as claimed in claim 1 wherein, when this central processing unit is exported this power supply signal, is carried out a boot program, makes this electronic installation enter a power on mode.
5. the energy supply control module of electronic installation as claimed in claim 3, wherein, this shutdown signal is that a time length is one to be different from the pulse signal of second o'clock distance of this first o'clock distance.
6. the energy supply control module of electronic installation as claimed in claim 1, wherein, this central processing unit export this outage signal give this logical block before, can carry out a shutdown programm earlier.
7. the energy supply control module of electronic installation as claimed in claim 4 wherein, when this central processing unit is received this switch signal under this power on mode and judge that this switch signal is a time-out signal, then enters a park mode.
8. the energy supply control module of electronic installation as claimed in claim 7, wherein, this start signal is that a time length is the pulse signal of one first o'clock distance, this shutdown signal is that a time length is one to be different from the pulse signal of second o'clock distance of this first o'clock distance, this time-out signal be a time length be one be different from this first o'clock apart from and the pulse signal of the 3rd o'clock distance of this second o'clock distance.
9. the energy supply control module of electronic installation as claimed in claim 7, wherein, this electronic installation also has the hardware cell of a plurality of these power supply units of electrical connection, this central processing unit is exported a management and control signal to this power supply unit under this park mode, this power supply unit outputs to the electric power of described hardware cell according to this management and control signal adjustment.
10. the energy supply control module of electronic installation as claimed in claim 1, wherein, this logical block comprises one or logic gate, and this switch element and this central processing unit are electrically connected two input ends of this or logic gate respectively, and this power supply unit is electrically connected the output terminal of this or logic gate.
11. the power control method of an electronic installation, this electronic installation have a power supply unit, a central processing unit and a switch element, this power control method comprises:
(A) provide a logical block, its input end is electrically connected this central processing unit and this switch element, and its output terminal is electrically connected this power supply unit;
(B) be pressed and when exporting a switch signal and giving this central processing unit and this logical block when this switch element, this logical block is controlled this power supply unit and is powered to this central processing unit, this central processing unit is judged when this switch signal is a start signal simultaneously, output one power supply signal is given this logical block, to control this power supply unit continued power; And
(C) when this central processing unit judges that this switch signal is a shutdown signal, output one outage signal is given this logical block, stops power supply to control this power supply unit.
12. the power control method of electronic installation as claimed in claim 11, wherein, this start signal is that a time length is the pulse signal of one first o'clock distance.
13. the power control method of electronic installation as claimed in claim 11, wherein, this step (B) also comprises: when this central processing unit is exported this power supply signal, carry out a boot program, make this electronic installation enter a power on mode.
14. the power control method of electronic installation as claimed in claim 12, wherein, this shutdown signal is that a time length is one to be different from the pulse signal of second o'clock distance of this first o'clock distance.
15. the power control method of electronic installation as claimed in claim 11, wherein, this step (C) also comprises: this central processing unit is exported this outage signal and is given before this logical block, can carry out a shutdown programm earlier.
16. the power control method of electronic installation as claimed in claim 13, this power control method also comprises a step (D): when this central processing unit in this power on mode and receive this switch signal and judge that this switch signal is one when suspending signal, enters a park mode.
17. the power control method of electronic installation as claimed in claim 16, wherein, this start signal is that a time length is the pulse signal of one first o'clock distance, this shutdown signal is that a time length is one to be different from the pulse signal of second o'clock distance of this first o'clock distance, this time-out signal be a time length be one be different from this first o'clock apart from and the pulse signal of the 3rd o'clock distance of this second o'clock distance.
18. the power control method of electronic installation as claimed in claim 16, wherein, this electronic installation also has the hardware cell of a plurality of these power supply units of electrical connection, this step (D) also comprises: this central processing unit is exported a management and control signal to this power supply unit, and this power supply unit outputs to the electric power of described hardware cell according to this management and control signal adjustment.
19. the power control method of electronic installation as claimed in claim 11, wherein, this logical block comprises one or logic gate, and this switch element and this central processing unit are electrically connected two input ends of this or logic gate respectively, and this power supply unit is electrically connected the output terminal of this or logic gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100858807A CN101261532B (en) | 2007-03-08 | 2007-03-08 | Electronic device energy supply control module and energy supply control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100858807A CN101261532B (en) | 2007-03-08 | 2007-03-08 | Electronic device energy supply control module and energy supply control method |
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| Publication Number | Publication Date |
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| CN101261532A true CN101261532A (en) | 2008-09-10 |
| CN101261532B CN101261532B (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100858807A Expired - Fee Related CN101261532B (en) | 2007-03-08 | 2007-03-08 | Electronic device energy supply control module and energy supply control method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124607A1 (en) * | 2009-04-27 | 2010-11-04 | 联想(北京)有限公司 | Control device, main board and computer |
| CN101990076A (en) * | 2009-08-07 | 2011-03-23 | 康佳集团股份有限公司 | Energy-saving operation method for television |
| CN102799252A (en) * | 2011-05-26 | 2012-11-28 | 华硕电脑股份有限公司 | Computer apparatus and power generator thereof |
| CN103034312A (en) * | 2011-10-10 | 2013-04-10 | 鸿富锦精密工业（深圳）有限公司 | Processor power supply system |
| CN104793965A (en) * | 2014-01-17 | 2015-07-22 | 瑞昱半导体股份有限公司 | Electronic device, function unit and turn-off method of electronic device |
| CN105630122A (en) * | 2014-10-31 | 2016-06-01 | 鸿富锦精密工业(武汉)有限公司 | Power control apparatus |
| CN110143180A (en) * | 2019-04-17 | 2019-08-20 | 苏州佳世达光电有限公司 | Electronic device and method for managing power supply |
| CN110221677A (en) * | 2018-02-28 | 2019-09-10 | 华为技术有限公司 | A kind of processor and electronic equipment |
| CN114158115A (en) * | 2022-02-10 | 2022-03-08 | 为准（北京）电子科技有限公司 | Power supply management method, device and system of wireless test equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518315A (en) * | 1991-07-11 | 1993-01-26 | Mitsubishi Electric Corp | Engine controller for automobile |
| CN1584784A (en) * | 2003-08-20 | 2005-02-23 | 英业达股份有限公司 | Safety shut-off method for embedded computer system under operating system |
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2007
- 2007-03-08 CN CN2007100858807A patent/CN101261532B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8719608B2 (en) | 2009-04-27 | 2014-05-06 | Lenovo (Beijing) Co., Ltd. | Control apparatus for a computer, main board and computer |
| WO2010124607A1 (en) * | 2009-04-27 | 2010-11-04 | 联想(北京)有限公司 | Control device, main board and computer |
| CN101990076A (en) * | 2009-08-07 | 2011-03-23 | 康佳集团股份有限公司 | Energy-saving operation method for television |
| CN102799252A (en) * | 2011-05-26 | 2012-11-28 | 华硕电脑股份有限公司 | Computer apparatus and power generator thereof |
| CN103034312A (en) * | 2011-10-10 | 2013-04-10 | 鸿富锦精密工业（深圳）有限公司 | Processor power supply system |
| CN104793965B (en) * | 2014-01-17 | 2018-05-08 | 瑞昱半导体股份有限公司 | Electronic device, functional unit and its closedown method |
| CN104793965A (en) * | 2014-01-17 | 2015-07-22 | 瑞昱半导体股份有限公司 | Electronic device, function unit and turn-off method of electronic device |
| CN105630122A (en) * | 2014-10-31 | 2016-06-01 | 鸿富锦精密工业(武汉)有限公司 | Power control apparatus |
| CN110221677A (en) * | 2018-02-28 | 2019-09-10 | 华为技术有限公司 | A kind of processor and electronic equipment |
| CN110221677B (en) * | 2018-02-28 | 2023-02-10 | 华为技术有限公司 | Processor and electronic equipment |
| CN110143180A (en) * | 2019-04-17 | 2019-08-20 | 苏州佳世达光电有限公司 | Electronic device and method for managing power supply |
| CN114158115A (en) * | 2022-02-10 | 2022-03-08 | 为准（北京）电子科技有限公司 | Power supply management method, device and system of wireless test equipment |
| CN114158115B (en) * | 2022-02-10 | 2022-04-19 | 为准（北京）电子科技有限公司 | Power supply management method, device and system of wireless test equipment |
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| CN101261532B (en) | 2011-06-22 |
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