CN102053687B - Electronic device and power supply control module thereof - Google Patents
Electronic device and power supply control module thereof Download PDFInfo
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- CN102053687B CN102053687B CN2009102067630A CN200910206763A CN102053687B CN 102053687 B CN102053687 B CN 102053687B CN 2009102067630 A CN2009102067630 A CN 2009102067630A CN 200910206763 A CN200910206763 A CN 200910206763A CN 102053687 B CN102053687 B CN 102053687B
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Abstract
The invention discloses an electronic device and a power supply control module thereof, wherein the electronic device is coordinated and connected with an external power supply, and the electronic device comprises a system unit, a power supply unit, a power supply control module and a control unit. The control unit is coupled with the system unit and the power supply control module. When the power supply unit is connected with the external power supply, the power supply unit provides a first control voltage to the power supply control module, the power supply control module provides a first control signal to the control unit, and the control unit receives the first control signal and provides a second control signal to the power supply unit according to the first control signal to ensure that the power supply unit provides a plurality of system working voltages to the system unit.
Description
Technical field
The present invention is about a kind of electronic installation, and particularly relevant a kind of electronic installation and being used to is controlled the energy supply control module of the startup flow process of electronic installation.
Background technology
Along with robotization and digitized trend, various computer systems have been widely applied to individual, family and various industry and commerce application.Various computer systems are in order to reach market scale, or make things convenient for design versatility and the correction maintenance maintenance between the different vendor, when the development and Design of hardware element, follow a cover hardware designs specification mostly.
For instance, comparatively common universal host machine plate gauge lattice are advanced technology expansion (Advanced Technology Extended, ATX) specification in the present computer hardware.In the electronic installation that meets the ATX specification; When electronic installation has connected commercial power socket but as yet not during the starting up usually; Electronic installation promptly maintains first a lower operating voltage or V Standby (standby voltage; Vsb) on, the first common operating voltage Vsb is about 3 ~ 5 volts at present.Can be provided with power switch button on the electronic installation; When user's operation (for example pushing) this power switch button; The ATX power supply unit in the electronic installation that controls signal to that representative system starts just is provided, and the ATX power supply unit just can be according to this control signal, required various system works voltages when various electronic installations operation is provided in regular turn; And it is supplied to each internal circuit module in the electronic installation; System works voltage can comprise the required various voltage level of electronic installation, for instance, can comprise 0 volt, 3 volts, 5 volts to 12 volts.
Yet in response to different application, its hardware structure of electronic installation is different, and the portions of electronics device is not provided with power switch button, the automatic board on for example industrial board, game machine or the part producing line.Itself not necessarily disposes power switch button electronic installation on these commercial Application; After electronic installation connects extraneous power supply; If what do not have that power switch button provides that representative system starts controls signal to the ATX power supply unit, electronic installation just can't be accomplished start smoothly.
Summary of the invention
The object of the present invention is to provide a kind of electronic installation and energy supply control module thereof, to improve the disappearance of prior art.
According to a characteristic of the present invention, a kind of electronic installation is provided, its external power source that is connected.Above-mentioned electronic installation comprises system unit, power-supply unit, energy supply control module and control module.
Control module coupling system unit.Energy supply control module couples control module.Power-supply unit coupling system unit, control module and energy supply control module.When power-supply unit connects external power source; Power-supply unit provides first operating voltage to energy supply control module; Energy supply control module provides first to control signal to control module; Control module receives first control signal and provides second to control signal to power-supply unit according to this, makes power-supply unit provide a plurality of system works voltages to control module and system unit in regular turn.Power-supply unit also provides second operating voltage to energy supply control module behind first Preset Time; Energy supply control module changes the voltage level of first control signal according to first operating voltage and second operating voltage, make control module change the voltage level of second control signal.
According to another characteristic of the present invention, a kind of energy supply control module is provided, it is arranged at electronic installation.Electronic installation comprises system unit and power-supply unit; The electronic installation external power source that is connected; Power-supply unit is coupling system unit and energy supply control module respectively, and system unit couples energy supply control module, when power-supply unit connects external power source; Power-supply unit provides first operating voltage to energy supply control module; Energy supply control module provides first to control signal to system unit, and system unit receives first control signal and provides second to control signal to power-supply unit according to this, makes power-supply unit provide a plurality of system works voltages to system unit in regular turn.Power-supply unit also provides second operating voltage to energy supply control module behind first Preset Time; Energy supply control module changes the voltage level of first control signal according to first operating voltage and second operating voltage, make system unit change the voltage level of second control signal.
Compared to known electronic installation; The energy supply control module of electronic installation of the present invention and employing thereof; Utilize simple circuit; Just can when power-supply unit is connected with external power source, automatically provide system start-up required control signal, system works voltage is provided, accomplish the power initiation flow process of electronic installation in order to the driving power feeding unit.
Can utilize following detailed Description Of The Invention and accompanying drawing further to be understood about advantage of the present invention and spirit.
Description of drawings
Shown in Figure 1 is functional block diagram according to electronic installation in first specific embodiment of the present invention.
Shown in Figure 2 is functional block diagram according to electronic installation in second specific embodiment of the present invention.
Shown in Figure 3 is the circuit diagram of energy supply control module among Fig. 2.
Shown in Figure 4 is the sequential synoptic diagram of each node voltage in an operational instances of energy supply control module among Fig. 3.
Embodiment
See also Fig. 1, shown in Figure 1 is functional block diagram according to electronic installation 1 in first specific embodiment of the present invention.In this embodiment; Comprise system unit 10, power-supply unit 12, energy supply control module 14 and control module 16 in the electronic installation 1; Wherein energy supply control module 14 comprises reverse logic unit 142 and ALU 140, and control module 16 comprises output and goes into controller 160 and South Bridge chip 162.
Control module 16 coupling system unit 10.Energy supply control module 14 couples control module 16.Power-supply unit 12 is coupling system unit 10, control module 16 and energy supply control module 14 respectively.
In the present embodiment, electronic installation 1 is an industrial computer.In the present embodiment; System unit 10 is meant all electronic packages and the relevant apparatus except control module 16, and for example: system unit 10 can comprise CPU, north bridge chips, internal storage location, hard disk, communication module, display, reach CD-ROM drive etc.In other embodiments, control module 16 also can be contained in the system unit 10.
In the present embodiment, power-supply unit 12 is the power supply unit of ATX specification, and is as shown in Figure 1, and power-supply unit 12 can be connected with an external power source 2, and for instance, power-supply unit 12 is directly plugged commercial power socket, to obtain external power source 2.In the practical application, the power source conversion that this ATX power supply unit (power-supply unit 12) is responsible for external power source 2 and is provided becomes suitable voltage and electric current, and then is supplied to electronic installation 1 and inner system unit 10 and control module 16 thereof.
In practical application, connected external power source 2 and when running start as yet at electronic installation 1, generally speaking, ATX power supply unit system maintains a lower system standby voltage with electronic installation 1.Person to be used triggers (known trigger condition can be and pushes the start button); Then provide start to control signal to the ATX power supply unit; The ATX power supply unit just can begin to supply the system unit 10 and control module 16 that suitable system works voltage is given electronic installation 1 according to this control signal of starting shooting.
Yet; Portions of electronics device such as industrial computer system are not provided with power switch button; Just can't trigger the control signal that provides power-supply unit required, even electronic installation is connected with external power source, the electronic installation entering normal operation of still can't starting shooting expediently.What need to specify is, electronic installation 1 includes energy supply control module 14 in present embodiment, and energy supply control module 14 can cooperate power-supply unit 12 to use.
In this embodiment; When power-supply unit 12 is plugged commercial power socket and is connected with external power source 2; Energy supply control module 14 provides first to control signal to control module 16, and control module 16 receives first control signal and provides second to control signal to power-supply unit 12 according to this.Second control signal is in order to trigger power-supply unit 12, makes it that a plurality of system works voltages are provided in regular turn and is supplied to system unit 10 and control module 16.Energy supply control module 14 can change the voltage level of first control signal, and then makes control module 16 change the voltage level of its second control signal, to accomplish the start of electronic installation 1.
That is to say that as long as power-supply unit 12 is connected with external power source 2, energy supply control module 14 just can automatically provide first control signal, first control signal triggers power-supply unit 12 indirectly through control module 16, makes electronic installation 1 get into normal operation.But the present invention is not as limit, and in another embodiment, first control signal that energy supply control module 14 is provided directly triggers power-supply unit 12.
Below the thin portion flow process that control signal is provided and triggers this power-supply unit 12 with regard to energy supply control module 14 and control module 16 be described in detail.As shown in Figure 1, in this embodiment, energy supply control module 14 comprises ALU 140 and reverse logic unit 142, in the present embodiment, ALU 140 be the XOR unit (exclusive or, XOR).ALU 140 is coupled to power-supply unit 12.Reverse logic unit 142 is coupled between ALU 140 and the control module 16.
When power-supply unit 12 is connected with external power source 2; Power-supply unit 12 supply first operating voltages (Vsb) are to ALU 140; ALU 140 carries out logical operation in order to enabling signal to be provided; Wherein an input end of ALU 140 receives first operating voltage, and an input end of ALU 140 receives second operating voltage from power-supply unit 12, but this moment, second operating voltage still was 0 volt.Above-mentioned enabling signal just forms first control signal after reverse logic unit 142 is reverse, and is sent to control module 16.
As shown in Figure 1, control module 16 comprise output go into controller 160 (Super Input/Output controller, SIO) and South Bridge chip 162.Output is gone into controller 160 and is coupled South Bridge chip 162, energy supply control module 14 and power-supply unit 12 respectively.In other embodiments, output is gone into controller 160 and can be replaced by embedded controller, and the present invention does not limit this.
When energy supply control module 14 provides first to control signal to control module 16; Control module 16 provides second to control signal to power-supply unit 12; To trigger power-supply unit 12 a plurality of system works voltages to control module 16 and system unit 10 are provided in regular turn, accomplish the startup flow process.
In certain embodiments; First control signal is to be sent to output earlier to go into controller 160; Output goes into that controller 160 produces a signal again goes into controller 160 so that South Bridge chip 162 produces a signal to output, and output is gone into controller 160 and produced above-mentioned second control signal again.In other embodiments, first control signal can directly be sent to embedded controller, and embedded controller produces second control signal.
See also Fig. 2, shown in Figure 2 is functional block diagram according to electronic installation 3 in second specific embodiment of the present invention.Compare first specific embodiment; Except comprising output, control module 36 goes into controller 360 and South Bridge chip 362; Further comprise time-delay latch cicuit 341 in the energy supply control module 34 of the electronic installation 3 among this embodiment, time-delay latch cicuit 341 is coupled between ALU 340 and the reverse logic unit 342.When power-supply unit 32 is connected full one second Preset Time after the time with external power source 4, time-delay latch cicuit 341 just locks the voltage level of first control signal that reverse logic unit 342 provides.In the present embodiment, second Preset Time can equal first Preset Time, or second Preset Time can be greater than first Preset Time, and the present invention does not limit this.
Please consult Fig. 3 and Fig. 4 in the lump, shown in Figure 3 is the circuit diagram of energy supply control module 34 among Fig. 2.Shown in Figure 4 is the sequential synoptic diagram of each node voltage in an operational instances of energy supply control module 34 among Fig. 3.As shown in Figure 3, time-delay latch cicuit 341 comprises latch 3410 and time-delay element 3412, and latch 3410 is coupled between ALU 340 and the reverse logic unit 342, and time-delay element 3412 couples with power-supply unit 32.
As shown in Figure 4, in the aforesaid operations instance, when time point T0, the user is connected power-supply unit 32 with external power source 4, gives energy supply control module 34 so power-supply unit 32 begins to supply the first operating voltage Vsb.
Two input ends of ALU 340 are coupled to power-supply unit 32 respectively, and one of them input end receives the first operating voltage Vsb, and wherein another input end receives second operating voltage (this voltage can be referred to as PW-OK).In this operational instances, power-supply unit 32 provides after a plurality of system works voltages, and power-supply unit 32 just can provide second operating voltage (PW-OK) to give ALU 340.
ALU 340 carries out the XOR computing with the first operating voltage Vsb and the second operating voltage PW-OK; This moment, the first operating voltage Vsb was high level (logical one) because of power-supply unit 32 power supply, and the second operating voltage PW-OK to accomplish start as yet because of electronic installation 3 be low level (logical zero).Thus, ALU 340 provides enabling signal (as shown in Figure 4, this moment, end points NODE0 became high level).
At this moment; Latch 3410 in the time-delay latch cicuit 341 is a conducting state, enabling signal (NODE0, high level) is inputed to the input endpoint (NODE1 of reverse logic unit 342; High level), reverse logic unit 342 provides the first control signal Vcon (low level) with it after reverse.In this embodiment; The first control signal Vcon is with after after control module 36 handles; Indirectly trigger power-supply unit 32 and carry out follow-up start, the system works voltage of different electric voltage level is provided in regular turn and is supplied to the control module 36 and system unit 30 of electronic installation 3.As shown in Figure 4, power-supply unit 32 can provide in regular turn 12 volts, 5 volts with system works voltages such as 3 volts (V12, V5 V3), look the power specification of actual electronic installation and decide, and the present invention is not as limit.
As shown in Figure 4, after the first control signal Vcon switches to low level, handle to trigger power-supply unit 32 through control module 36.In practical application, need therebetween through one period processing time, in this embodiment; T0 begins from time point; When arriving time point T2 afterwards through one first preset time t d1, power-supply unit 32 promptly begins to provide system works voltage (V12, the V5 of various varying levels; V3), begin to promote electronic installation 3 normal operations.In this simultaneously, this power-supply unit just begins to provide the second operating voltage PW-OK to energy supply control module when time point T2, and in this embodiment, on behalf of electronic installation 3, the second operating voltage PW-OK here promptly got into the state of power initiation.
At this moment, two input ends of ALU 340 (the first operating voltage Vsb and the second operating voltage PW-OK) are all high level, so the enabling signal (NODE0) of ALU 340 outputs promptly switches to low level.
On the other hand, T0 begins from time point, and power-supply unit 32 just begins the capacitor in the time-delay element 3412 is charged.When this power-supply unit 32 is connected full one second preset time t d with this external power source 4 after; When promptly coming time point T1; The node voltage of capacitor is bigger than a reference value in the time-delay element 3412; Promptly provide latch signal EN# that this latch 3410 cuts out (disable), with the annexation between mask logic arithmetic element 340 and the reverse logic unit 342.In this embodiment, after the time point T1, the input endpoint of reverse logic unit 342 (NODE1) no longer is coupled to ALU 340, but dragged down and be fixed in low level by resistor, and the voltage level of first control signal just is locked to high level thus.The capacitance size of the capacitor in the length of above-mentioned preset time t d and the time-delay element 3412 is relevant.
Subsequently, when time point T3, suppose that the user is utilizing software mode that electronic installation 3 is switched to soft-off or armed state, the power-supply unit 32 meeting stop supplies this moment second operating voltage PW-OK.That is to say that the second operating voltage PW-OK will get back to low level (logical zero) this moment.At this time, the first operating voltage Vsb still can keep high level (logical one), and the enabling signal (NODE0) of ALU 340 outputs is promoted to high level once more.
Through the annexation between aforementioned time-delay latch cicuit 341 (latch 3410 and time-delay element 3412) mask logic arithmetic element 340 and the reverse logic unit 342; Make the voltage level of the exit point NODE0 of ALU 340 can't influence the voltage level of reverse logic unit 342 its input endpoint NODE1; During electronic installation 3 just can be ready, and unlikely by false triggering and once more start.
After the time point T4 among Fig. 4; Represent that then the user removes the annexation between power-supply unit 32 and this external power source 4; The attaching plug that for example will connect between electronic installation 3 and the commercial power socket is pulled out; Or the switch on the powered-down socket, and then cut off the power supply supply of electronic installation 3.
Take a broad view of; The electronic installation that preferred embodiment of the present invention provided and the energy supply control module of employing thereof; Utilize simple circuit; Just can when power-supply unit is connected with external power source, automatically provide system start-up required control signal, system works voltage is provided, accomplish the power initiation flow process of electronic installation in order to drive this power-supply unit.
Utilize the detailed description of above preferred embodiment, hope can be known description characteristic of the present invention and spirit more, and is not to come category of the present invention is limited with the above-mentioned preferred embodiment that is disclosed.On the contrary, its objective is that hope can contain in the category of claims of being arranged in of various changes and tool equality institute of the present invention desire application.
Claims (11)
1. electronic installation, the external power source that is connected is characterized in that, above-mentioned electronic installation comprises:
System unit;
Control module couples the said system unit;
Energy supply control module couples above-mentioned control module; And
Power-supply unit couples said system unit, above-mentioned control module and above-mentioned energy supply control module,
Wherein when above-mentioned power-supply unit connects the said external power supply; Above-mentioned power-supply unit provides first operating voltage to above-mentioned energy supply control module; Above-mentioned energy supply control module provides first to control signal to above-mentioned control module; Above-mentioned control module receives above-mentioned first control signal and provides second to control signal to above-mentioned power-supply unit according to this; Make above-mentioned power-supply unit that a plurality of system works voltages to above-mentioned control module and said system unit is provided in regular turn; Above-mentioned power-supply unit also provides second operating voltage to above-mentioned energy supply control module behind first Preset Time, above-mentioned energy supply control module changes the voltage level of above-mentioned first control signal according to above-mentioned first operating voltage and above-mentioned second operating voltage, make above-mentioned control module change the voltage level of above-mentioned second control signal.
2. electronic installation according to claim 1 is characterized in that, above-mentioned power-supply unit is the power supply unit that meets advanced technology expansion specification.
3. electronic installation according to claim 1 is characterized in that, above-mentioned control module comprises:
South Bridge chip; And
Controller is gone in output, couples above-mentioned South Bridge chip, above-mentioned energy supply control module and above-mentioned power-supply unit respectively.
4. electronic installation according to claim 1 is characterized in that, above-mentioned energy supply control module comprises:
ALU is coupled to above-mentioned power-supply unit; And
The reverse logic unit is coupled to above-mentioned ALU and above-mentioned control module respectively;
Wherein, When above-mentioned power-supply unit is connected with the said external power supply; Above-mentioned ALU carries out logical operation with above-mentioned first operating voltage, and in order to enabling signal to be provided, above-mentioned enabling signal forms above-mentioned first control signal after above-mentioned reverse logic unit is reverse.
5. electronic installation according to claim 4; It is characterized in that; Behind above-mentioned first Preset Time; Above-mentioned ALU carries out logical operation with above-mentioned first operating voltage, above-mentioned second operating voltage, changing the voltage level of above-mentioned enabling signal, and then changes the above-mentioned voltage level of above-mentioned first control signal.
6. electronic installation according to claim 4; It is characterized in that; Above-mentioned energy supply control module further comprises the time-delay latch cicuit; After above-mentioned power-supply unit and said external power supply were connected in second Preset Time, above-mentioned time-delay latch cicuit just locked the above-mentioned voltage level of above-mentioned first control signal that above-mentioned reverse logic unit provides.
7. electronic installation according to claim 6; It is characterized in that; Above-mentioned time-delay latch cicuit comprises latch and time-delay element; Above-mentioned latch is coupled between above-mentioned ALU and the above-mentioned reverse logic unit, and above-mentioned time-delay element and above-mentioned power-supply unit couple, when above-mentioned power-supply unit is connected full above-mentioned second Preset Time with the said external power supply after; Above-mentioned time-delay element is controlled above-mentioned latch to shield the annexation between above-mentioned ALU and the above-mentioned reverse logic unit, locks the above-mentioned voltage level of above-mentioned first control signal thus.
8. energy supply control module; Be arranged at electronic installation; It is characterized in that above-mentioned electronic installation comprises system unit, control module and power-supply unit, the above-mentioned electronic installation external power source that is connected; Above-mentioned power-supply unit couples said system unit and above-mentioned energy supply control module respectively; Above-mentioned control module couples above-mentioned energy supply control module, and when above-mentioned power-supply unit connected the said external power supply, above-mentioned power-supply unit provided first operating voltage to above-mentioned energy supply control module; Above-mentioned energy supply control module provides first to control signal to above-mentioned control module; Above-mentioned control module receives above-mentioned first control signal and provides second to control signal to above-mentioned power-supply unit according to this, makes above-mentioned power-supply unit that a plurality of system works voltages to above-mentioned system unit is provided in regular turn, and above-mentioned power-supply unit also provides second operating voltage to above-mentioned energy supply control module behind first Preset Time; Above-mentioned energy supply control module changes the voltage level of above-mentioned first control signal according to above-mentioned first operating voltage and above-mentioned second operating voltage, make the said system unit change the voltage level of above-mentioned second control signal.
9. energy supply control module according to claim 8 is characterized in that, above-mentioned energy supply control module comprises:
ALU is coupled to above-mentioned power-supply unit; And
The reverse logic unit is coupled to above-mentioned ALU and above-mentioned control module respectively;
Wherein, When above-mentioned power-supply unit is connected with the said external power supply; Above-mentioned ALU carries out logical operation with above-mentioned first operating voltage, and in order to enabling signal to be provided, above-mentioned enabling signal forms above-mentioned first control signal after above-mentioned reverse logic unit is reverse.
10. energy supply control module according to claim 9; It is characterized in that; Behind above-mentioned first Preset Time; Above-mentioned ALU carries out logical operation with above-mentioned first operating voltage, above-mentioned second operating voltage, changing the voltage level of above-mentioned enabling signal, and then changes the above-mentioned voltage level of above-mentioned first control signal.
11. energy supply control module according to claim 9; It is characterized in that; Above-mentioned energy supply control module further comprises the time-delay latch cicuit; After above-mentioned power-supply unit and said external power supply were connected in second Preset Time, above-mentioned time-delay latch cicuit just locked the above-mentioned voltage level of above-mentioned first control signal that above-mentioned reverse logic unit provides.
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| TWI489458B (en) * | 2012-05-02 | 2015-06-21 | Via Tech Inc | Operation system and control method thereof |
| KR20140022327A (en) * | 2012-08-14 | 2014-02-24 | 삼성전자주식회사 | Method for preventing abnormal operation in an electronic device |
| TWI564701B (en) * | 2013-04-23 | 2017-01-01 | 緯創資通股份有限公司 | Electronic devices and charging methods |
| CN104407668B (en) * | 2014-10-29 | 2017-07-28 | 大唐移动通信设备有限公司 | It is a kind of to control the upper electric board automatically of the board based on X86 system architectures |
| CN110618345A (en) * | 2019-11-04 | 2019-12-27 | 业成科技（成都）有限公司 | Method and device for detecting line damage |
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| CN101202458A (en) * | 2006-12-13 | 2008-06-18 | 英业达股份有限公司 | Power supply circuit |
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| CN101202458A (en) * | 2006-12-13 | 2008-06-18 | 英业达股份有限公司 | Power supply circuit |
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