CN103294159B - A kind of method and apparatus realizing electronic device shutdown zero power consumption - Google Patents
A kind of method and apparatus realizing electronic device shutdown zero power consumption Download PDFInfo
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Abstract
The invention discloses a kind of method and apparatus realizing electronic device shutdown zero power consumption, be applied to electronic technology field.The supply unit of described electronic equipment is connected with power supply by gate-controlled switch, the method includes: after the control signal that electronic equipment enters off-mode or resting state being detected, whether super I/O chip detection basic input output system includes at least one first function needing to realize under soft-off state, without, then send the first switch order to gate-controlled switch, be turned on and off, by gate-controlled switch, the connection circuit with supply unit of cutting off the electricity supply.The opening and closing controlling gate-controlled switch realizes the effect that AC power supplies thoroughly disconnects with supply unit, it is achieved that the effect thoroughly cut off the electricity supply when user shuts down, and decreases energy consumption.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of method realizing electronic device shutdown zero power consumption
And device.
Background technology
As long as electronic equipment attaching plug under shutdown is connected to the supply socket of 100V/110V/230V now
On, then owing to power supply and the design of mainboard and duty reason must have part electric energy loss.Existing
Technology realizes the attachment structure of each components and parts of electronic equipment machine operation as it is shown in figure 1, prior art
Middle realization common mainboard start process is:
First, connect when the power input (AC input) of supply unit (power supply unit, PSU)
During alternating current, supply unit output 5Vsb, by G3 state, (G3 state is that electronic equipment is complete to electronic equipment
The state of complete closedown, namely electronic equipment ac input end is cut off the state of computer-chronograph) become S5
State.Wherein, S5 state is electronic equipment one soft-off state, in this condition, removes in electronic equipment
SIO (super I/O chip) and PCH (Platform Controller Hub) is in holding state
Other parts are all in closed mode outward.In this condition, the 5Vsb of electronic equipment there is also.Electronics
The 5Vsb of equipment is the 5V power supply used to system standby.
Then, user presses on and off switch (Power button), the pin FP of SIO detecting starting-up signal
Can obtain a low level, (having been become S0 from S5 state, wherein, S0 is electronic equipment to computer booting
It is in the state of start.Shape from the point of view of user, when mainboard information and Logo occurs in computer after start
State.)；When user stops pressing described on and off switch, if described on and off switch is normally opened gate-controlled switch, then
Described on and off switch automatically springs open, and FP has become again high level, if FP was high level more than 5 seconds, and meter
Calculate auto-shut-off and enter S5 state.
Realize the switching on and shutting down of electronic equipment by the way, electronic equipment electric energy loss in the power-offstate
Mainly due to some generation following:
1. power supply own loss.
2. to realize waking up up due to mainboard, remotely need power supply auxiliary to realize under the off-mode such as control
Function, so the most also can produce certain power consumption.
3. the realization of the lower specific function of mainboard shutdown also results in formation electric energy loss under off-mode, such as, close
Mobile phone charging etc. can be carried out under the USB port charged PC of realization shutdown under machine.
From the point of view of mainboard end, the function realized under the 2nd, 3 two kinds of off-modes can be by the most defeated
Enter output system (Basic Input Output System, BIOS) and mainboard peripheral circuit controls above two
Function is closed, and makes the power consumption of mainboard be close to zero electric energy loss.But for desktop computer power supplies end,
Owing to power supply is after incoming transport voltage (alternating current, AC), need to export 5Vsb,
At the partial circuit of so AC-DC in working order.The energy consumption present industry mental retardation of this part is accomplished
Between 0.1-0.2W.
More and more higher for the requirement of current supply loss, how to accomplish that under shutdown, lower power consumption is always one
The topic of individual research.It addition, for a large amount of users using computers, thousands of machines are when shutdown
Power consumption total amount can cause the biggest waste.Such as: a machine shutdown power consumption is 0.15W, then 1000
Platform machine is exactly 150W；If from the point of view of 10000 machines, it is simply that 1500W.If every day is every
Platform machine is 12 hours in the time of shutdown, then 1000 machines will consume 150W*12h*365 every year
My god/1000=657kWh, 10000 machines will be 6570kWh.
The scheme solving above-mentioned technical problem in prior art is: the most integrated accumulator, to ensure
In a period of time, system is in zero-power.
Above-mentioned solution has the drawback that: when the electricity of accumulator is less than certain value, charging circuit
In running order can charge accumulator, the power consumption under at this moment electronic equipment shutdown will be more than 5W.
And from the angle of power saving, this scheme does not play the effect saving electric energy, also add energy consumption on the contrary
Loss.
Summary of the invention
The present invention provides a kind of method and apparatus realizing electronic device shutdown zero power consumption, provided by the present invention
Method solves the problem that in prior art, electronic equipment exists high energy consumption in the power-offstate.
A kind of method realizing electronic device shutdown zero power consumption, the supply unit PSU of described electronic equipment leads to
Crossing gate-controlled switch to be connected with alternating current power supply, the method includes:
After the control signal that electronic equipment enters off-mode or resting state being detected, super input and output core
Sheet detects at least one whether including needs in basic input output system and realizing under soft-off state
First function, if it is not, transmission the first switch order is to gate-controlled switch, by the unlatching of gate-controlled switch
Or close the connection circuit with supply unit of cutting off the electricity supply.
When performing power-on operation, the method farther includes:
If the start-up command that user is inputted being detected by and off switch, then send second to described gate-controlled switch
Switch order, controls described gate-controlled switch and is turned on and off, by gate-controlled switch be turned on and off connect electricity
Source and the connecting path of supply unit, make electronic equipment be switched to open state from off-mode.
The present invention also provides for a kind of device realizing electronic device shutdown zero power consumption, including:
This electronic equipment includes that supply unit passes through the second gate-controlled switch and is connected with power supply, this second gate-controlled switch
Control end be connected with super I/O chip；
Two inputs of described super I/O chip connect the first gate-controlled switch and basic input respectively
Output system, after the control signal that electronic equipment enters off-mode or resting state being detected, detects base
Whether this input-output system includes at least one first function needing to realize under soft-off state,
If it is not, send the first switch order to the second gate-controlled switch, by the unlatching of the second gate-controlled switch or
Close the connection circuit with supply unit of cutting off the electricity supply.
This device also includes the 3rd gate-controlled switch:
One end of 3rd gate-controlled switch is connected to the input of supply unit, and the other end connects AC-DC conversion
The input of module, the outfan of this AC-DC conversion module connects the control end of the second gate-controlled switch；
The end that controls of the 3rd gate-controlled switch connects the outfan of super I/O chip.
This device also includes the 3rd electric capacity, and the 3rd electric capacity is in parallel with described second gate-controlled switch.
This device further, also includes:
First gate-controlled switch sends the start signal of telecommunication to super I/O chip；
The most super I/O chip sends second switch instruction to described second gate-controlled switch, controls described the
Two gate-controlled switches are turned on and off, by the second gate-controlled switch be turned on and off connect power supply and supply unit
Connecting path, make electronic equipment be switched to open state from off-mode.
Second gate-controlled switch is normally opened controllable switch；
When electronic equipment is at open state, the first gate-controlled switch sends the start signal of telecommunication to super input and output core
Sheet, the second gate-controlled switch Guan Bi；After second gate-controlled switch Guan Bi, make the 3rd gate-controlled switch, AC-DC conversion
The control end of module and the second gate-controlled switch forms current path so that the control end of the second gate-controlled switch is high
Level, is maintained at closure state by the second gate-controlled switch；Electronic equipment is switched to soft-off shape by off-mode
State.
Described 3rd gate-controlled switch is normally closed controllable switch, and the control end of this gate-controlled switch passes through the second voltage
Control source is connected with the outfan of super I/O chip；
When electronic equipment is at open state, super I/O chip controls described second Control of Voltage source and continues
Send the low level control end to the 3rd gate-controlled switch so that the 3rd gate-controlled switch is closed.
Described first gate-controlled switch is normally closed switch；
After electronic equipment is switched to soft-off state by off-mode, super I/O chip controls first
Transmission high level in Control of Voltage source makes the first gate-controlled switch disconnect to the control end of the first gate-controlled switch.
One or two in technique scheme, at least has the following technical effect that
The method and apparatus that the embodiment of the present invention is provided passes through controlled at the supply unit PSU of electronic equipment
Switch is connected with AC power supplies, when user shuts down, has detected user the need of in the power-offstate
Run some function, and judge whether to disconnect at AC power supplies and power supply dress according to the result of detection
Gate-controlled switch between putting, thus reach the effect that AC power supplies thoroughly disconnects with supply unit,
It is equal to pull out on and off switch.Achieve the effect thoroughly cut off the electricity supply when user shuts down, decrease
Energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation that in prior art, electronic equipment mainboard realizes start；
Fig. 2 is the flow chart of a kind of method realizing electronic device shutdown zero power consumption of the embodiment of the present invention；
Fig. 3 is the structural representation of a kind of device realizing electronic device shutdown zero power consumption of the embodiment of the present invention；
Fig. 4 is a kind of specific embodiment of the device realizing electronic device shutdown zero power consumption in the embodiment of the present invention
Structural representation.
Detailed description of the invention
The embodiment of the present invention provides a kind of method realizing electronic device shutdown zero power consumption, wherein, described electronics
The supply unit of equipment is connected with alternating current power supply by gate-controlled switch, and the method includes: electronic equipment detected
After entering the control signal of off-mode or resting state, super I/O chip detects basic input and output
Whether system includes at least one first function needing to realize under soft-off state, if it did not,
Then send the first switch order to gate-controlled switch, by gate-controlled switch be turned on and off cut off the electricity supply and power supply
The connection circuit of device.
As in figure 2 it is shown, the embodiment of the present invention provides a kind of method realizing electronic device shutdown zero power consumption, under
Face combines Figure of description and is described in detail the detailed description of the invention of the present invention:
In real life, because user is in order to pull out attaching plug trouble or many times need at shutdown bar
Realize some functions under part, then (instantiation can select individual can not to accomplish to disconnect electronic equipment thoroughly
Computer PC) and the connection of power supply.So many times electronic equipment the most also has function
Loss exists.The application provides below scheme for these reasons: detecting user the need of in shutdown
After running some function under state, according to the result of detection judge whether to disconnect alternating current power supply AC with
Gate-controlled switch between supply unit, thus reach the effect that AC power supplies thoroughly disconnects with supply unit,
I.e. it is equal to pull out attaching plug in the case of there is no soft-off requirement.
Describing for convenience, following electronic equipment is described in detail as a example by selecting PC PC, its
In, the apparatus structure that the method for the electronic device shutdown zero power consumption that the embodiment of the present invention is provided is suitable for is: institute
The supply unit PSU stating electronic equipment is connected with alternating current power supply AC by gate-controlled switch, concrete methods of realizing
Including:
Step 201 is after the control signal that PC enters off-mode G3 or resting state S4 being detected, super
Whether level I/O chip SIO detection basic input-output system BIOS includes needs at soft-off
At least one first function realized under state S5, if it is not, proceed to step 202；Otherwise proceed to step
Rapid 203；
Soft-off state S5 refers to: after user sends shutdown command, also preserves part behaviour in system
Make the working of function.Because storage there is a need to some realized in the power-offstate in BIOS
The list of function, so after detection BIOS, then can getting PC under off-mode and also need to fortune
Some functional items of row.
Wherein it is desired to the function completed in the power-offstate can include following:
(1) under off-mode, mainboard realizes arousal function, remote control function.
(2) realization of the lower specific function of mainboard shutdown, the charged PC that realizes of the lower USB port of such as shutdown closes
Mobile phone charging etc. can be carried out under machine.
Step 202, sends the first switch order to gate-controlled switch, by gate-controlled switch be turned on and off cut
Disconnected AC power supplies and the connection circuit of supply unit PSU, and proceed to step 204.
In inventive embodiments, gate-controlled switch can be normally closed or normal open switch, so should concrete
Determine, according to the actual conditions of switch, the instruction that transmission is turned on and off so that gate-controlled switch can with middle needs
Control the connection circuit of AC power supplies and supply unit PSU.
Step 203, if user has opens the function setting that off-mode needs to realize, then enters as PC
After S5, SIO is always maintained at gate-controlled switch and keeps the connecting path of AC power supplies and supply unit PSU, makes
Computer is constantly in S5 state.
Above-mentioned steps achieves the controlled shutdown process of PC, also provides for the controlled of correspondence according to said method
Start process, specifically includes:
Step 204, whether detection user inputs start-up command by and off switch, if it is detected to
Described gate-controlled switch sends second switch instruction, controls described gate-controlled switch and is turned on and off, is opened by controlled
The connecting path being turned on and off connecting AC power supplies with supply unit PSU closed, makes PC from off-mode
It is switched to open state.
As described in Figure 3, according to said method, the present invention also provides for one and realizes electronic device shutdown zero power consumption
Device, including:
This electronic equipment includes that supply unit PSU is connected with AC power supplies by the second gate-controlled switch K2, should
The control end (i.e. a point in K2control point, Fig. 3) of the second gate-controlled switch K2 and super input and output
Chip SIO connects；
Two inputs of described super I/O chip SIO connect the first gate-controlled switch K1 respectively
(power button, also referred to as on and off switch) and basic input-output system BIOS, detect that PC enters
After entering the control signal of off-mode G3 or resting state S4, super I/O chip SIO detects base
Whether this input-output system BIOS includes need under soft-off state S5 realize at least one
First function, if it is not, send the first switch order to the second gate-controlled switch, controlled opens by second
The connection circuit being turned on and off cutting off AC power supplies with supply unit PSU closed.
This device also includes that the 3rd electric capacity C3, the 3rd electric capacity C3 are in parallel with described second gate-controlled switch K2.
Wherein, described first function is to need the function completed in the power-offstate to specifically include that
(1) under off-mode, mainboard realizes arousal function, remote control function.
(2) realization of the lower specific function of mainboard shutdown, the charged PC that realizes of the lower USB port of such as shutdown closes
Mobile phone charging etc. can be carried out under machine.
It addition, for the closedown controlling the second gate-controlled switch K2, this device also includes the 3rd gate-controlled switch
K3；
One end of 3rd gate-controlled switch K3 is connected to the input of supply unit PSU, and the other end connects to be handed over
The input of DC conversion modules (AC-to-DC-module), the outfan of this AC-DC conversion module connects the
The two control ends (K2control point, b point in Fig. 3) controlling switch K2；
In Fig. 3, L represents the live wire (Live Wire) of power supply, and N represents the zero line (Neutral Wire) of power supply.
Live wire voltage-to-ground 220v, zero line voltage-to-ground 0v.Because controlling gate-controlled switch to need DC source, institute
In the case of being directly connected to power firestreak with K3, need to convert alternating current, so K3 needs logical
Cross AC-DC conversion module (AC-to-DC-module) and be connected to the control end of K2.
It addition, in order to realize the control to K3, the control end of the 3rd gate-controlled switch in the embodiment of the present invention
Connect the outfan of SIO.SIO is according to actual switch needs, to the control end (c in Fig. 4 of K3
Point) send high or low level information, it is achieved the on-off control of K3.
It addition, after utilizing the structure of said apparatus to realize shutdown, utilize said apparatus structure to realize the reality of start
The mode of executing includes:
First gate-controlled switch K1 sends the start signal of telecommunication to super I/O chip SIO；
The most super I/O chip SIO sends second switch instruction, control to described second gate-controlled switch K2
Make described second gate-controlled switch K2 to be turned on and off, by the company of being turned on and off of the second gate-controlled switch K2
Connect the connecting path of alternating current power supply AC and supply unit PSU, make PC be switched to, from off-mode, shape of starting shooting
State.
In concrete application scenarios, K1, K2 and K3 can according to implement control need select normally closed
Or normally opened switch, optimum embodiment is:
Second gate-controlled switch K2 is normally opened controllable switch；
When PC is at open state, the first gate-controlled switch K1 sends the start signal of telecommunication to super input and output core
Sheet SIO, K2 close；After K2 Guan Bi, make K3, AC-DC conversion module and the second gate-controlled switch K2
Control end and form current path so that the control end of the second gate-controlled switch K2 is high level, K2 is kept
At closure state；PC is switched to soft-off state S5 by off-mode.
Wherein, described 3rd gate-controlled switch K3 is normally closed controllable switch, and the control end of this gate-controlled switch leads to
Second Control of Voltage source of crossing is connected with the outfan of SIO；
When PC is at open state, and SIO controls described second Control of Voltage source and persistently sends low level to the 3rd
The control end of gate-controlled switch K3 so that K3 is closed.
Described first gate-controlled switch K1 is normally closed switch；
After PC is switched to soft-off state S5 by off-mode, SIO controls the first Control of Voltage source and sends
High level makes K1 disconnect to the control end of the first gate-controlled switch K1.
AC-DC conversion module (AC-to-DC-module) and Control of Voltage source in the present invention implements can
To select structure as shown in Figure 4, it is achieved during the switching on and shutting down of PC, being embodied as step is:
First, K1 and K3 switch is normally closed controllable switch, and K1 (K3) is as K1 (K3) control point
Disconnect when voltage is high (low), otherwise K1 (K3) Guan Bi；K2 is normally opened controllable switch, and K2 is at K2
Control point is high level Guan Bi, otherwise disconnects.
When PC starts shooting, concrete implementing procedure is:
When user plugs alternating current power supply, owing to K2 is normal open switch, at this moment PC power source does not has band electrician
Making, computer is in G3 state.When user presses the first gate-controlled switch K1, K2 closes, exchange
Electricity is by the 3rd resistance R3 and K3, then the diode D1 in AC to DC module and electric capacity C2
After become DC voltage so that K2 control end (K3control point, b point in Fig. 4) be high level,
Thus K2 is locked in closure state (being i.e. always maintained at power firestreak to be connected with supply unit).
It addition, SIO controls the second audion Q2 controls the end (c in K3control point Fig. 4 to K3
Point) one continue low level so that K3 is constantly in closed mode and (makes K2control point and power supply
Remain turned on), at this moment, computer enters S5 state from G3.
It addition, because K1 is normally closed switch, so when after computer entrance S5, SIO can obtain one the
The low level starting-up signal of one gate-controlled switch K1, when computer enters S0 from S5, SIO controls first
It is high level that the Q1 of audion makes K1 control end (K1control point, a point in Fig. 4), and K1 breaks
Open, it is to avoid because K1 closes for a long time so that computer enters shutdown process.So, computer just completes
Start process from G3 to S0.
When PC enters shutdown or enters dormancy S4, concrete implementing procedure is:
When shutting down under user is at OS or press on and off switch K1 (power button), system is shut down
After signal, SIO needs to detect in BIOS needs under S5 real to long-range control under WOL and shutdown etc.
Existing function setting, if user has unlatching, these are arranged, after computer enters S5, SIO meeting
Be always maintained at K3 controlling end (K3control point) is high level, makes computer be constantly in S5 shape
State.Need at S5 with long-range control under shutdown etc. if user has closed WOL under BIOS
The function setting of lower realization, then it is high level that SIO can make K3 control end (K3control point),
Allowing K3 disconnect, so that K2 controls end (K2control point) becomes low level, K2 disconnects.
It is thus to achieve computer shutdown rear cutout to break alternating current so that Overall Power Consumption is in zero-power.
Said one in the embodiment of the present application or multiple technical scheme, at least have the following technical effect that:
The method and apparatus that the embodiment of the present invention is provided passes through controlled at the supply unit PSU of electronic equipment
Switch is connected with AC power supplies, when user shuts down, has detected user the need of in the power-offstate
Run some function, and judge whether to disconnect at AC power supplies and power supply dress according to the result of detection
Gate-controlled switch between putting, thus reach the effect that AC power supplies thoroughly disconnects with supply unit,
It is equal to pull out attaching plug.Achieve the effect thoroughly cut off the electricity supply when user shuts down, decrease
Energy consumption.
Method of the present invention is not limited to the embodiment described in detailed description of the invention, art technology
Personnel draw other embodiment according to technical scheme, also belong to the technology wound of the present invention
New range.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
The spirit and scope of invention.So, if these amendments of the present invention and modification belong to right of the present invention
Require and within the scope of equivalent technologies, then the present invention is also intended to comprise these changes and modification exists
In.
Claims (9)
1. the method realizing electronic device shutdown zero power consumption, it is characterised in that described electronic equipment
Supply unit is connected with alternating current power supply by gate-controlled switch, and the method includes:
After the control signal that electronic equipment enters off-mode or resting state being detected, super input and output core
Sheet detects at least one whether including needs in basic input output system and realizing under soft-off state
First function, if it is not, transmission the first switch order is to gate-controlled switch, by the unlatching of gate-controlled switch
Or close the connection circuit with supply unit of cutting off the electricity supply.
2. the method for claim 1, it is characterised in that when performing power-on operation, the method is entered
One step includes:
If the start-up command that user is inputted being detected by and off switch, then send second to described gate-controlled switch
Switch order, controls described gate-controlled switch and is turned on and off, by gate-controlled switch be turned on and off connect electricity
Source and the connecting path of supply unit, make electronic equipment be switched to open state from off-mode.
3. the device realizing electronic device shutdown zero power consumption, it is characterised in that including:
This electronic equipment includes that supply unit passes through the second gate-controlled switch and is connected with power supply, this second gate-controlled switch
Control end be connected with super I/O chip；
Two inputs of described super I/O chip connect the first gate-controlled switch and basic input respectively
Output system, after the control signal that electronic equipment enters off-mode or resting state being detected, detects base
Whether this input-output system includes at least one first function needing to realize under soft-off state,
If it is not, send the first switch order to the second gate-controlled switch, by the unlatching of the second gate-controlled switch or
Close the connection circuit with supply unit of cutting off the electricity supply.
4. device as claimed in claim 3, it is characterised in that this device also includes the 3rd gate-controlled switch,
One end of 3rd gate-controlled switch is connected to the input of supply unit, and the other end connects AC-DC conversion
The input of module, the outfan of this AC-DC conversion module connects the control end of the second gate-controlled switch；
The end that controls of the 3rd gate-controlled switch connects the outfan of super I/O chip.
5. device as claimed in claim 3, it is characterised in that this device also includes the 3rd electric capacity, should
3rd electric capacity is in parallel with described second gate-controlled switch.
6. device as claimed in claim 3, it is characterised in that including:
First gate-controlled switch sends the start signal of telecommunication to super I/O chip；
The most super I/O chip sends second switch instruction to described second gate-controlled switch, controls described the
Two gate-controlled switches are turned on and off, by the second gate-controlled switch be turned on and off connect power supply and supply unit
Connecting path, make electronic equipment be switched to open state from off-mode.
7. device as claimed in claim 6, it is characterised in that including:
Second gate-controlled switch is normally opened controllable switch；
When electronic equipment is at open state, the first gate-controlled switch sends the start signal of telecommunication to super input and output core
Sheet, the second gate-controlled switch Guan Bi；After second gate-controlled switch Guan Bi, make the 3rd gate-controlled switch, AC-DC conversion
The control end of module and the second gate-controlled switch forms current path so that the control end of the second gate-controlled switch is high
Level, is maintained at closure state by the second gate-controlled switch；Electronic equipment is switched to soft-off shape by off-mode
State.
8. device as claimed in claim 7, it is characterised in that including:
Described 3rd gate-controlled switch is normally closed controllable switch, and the control end of this gate-controlled switch passes through the second voltage
Control source is connected with the outfan of super I/O chip；
When electronic equipment is at open state, super I/O chip controls described second Control of Voltage source and continues
Send the low level control end to the 3rd gate-controlled switch so that the 3rd gate-controlled switch is closed.
9. device as claimed in claim 7, it is characterised in that described first gate-controlled switch is normally closed opening
Close；
After electronic equipment is switched to soft-off state by off-mode, super I/O chip controls first
Transmission high level in Control of Voltage source makes the first gate-controlled switch disconnect to the control end of the first gate-controlled switch.
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| CN201210055811.2A CN103294159B (en) | 2012-03-05 | 2012-03-05 | A kind of method and apparatus realizing electronic device shutdown zero power consumption |
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| CN104635518A (en) * | 2013-11-08 | 2015-05-20 | 联想(北京)有限公司 | System power supply control method and device and terminal |
| CN106028131B (en) * | 2016-06-24 | 2021-07-16 | 联想(北京)有限公司 | Control method, device and system |
| CN108227900B (en) * | 2017-12-29 | 2022-03-11 | 深圳Tcl新技术有限公司 | Electronic device, energy-saving control method, energy-saving device, and readable storage medium |
| CN108490289B (en) * | 2018-03-12 | 2021-02-02 | Oppo广东移动通信有限公司 | Electronic equipment testing method and device and electronic equipment |
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