CN102063175A - Method for closing standby power supply, electronic equipment and mainboard - Google Patents
Method for closing standby power supply, electronic equipment and mainboard Download PDFInfo
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- CN102063175A CN102063175A CN2009102381670A CN200910238167A CN102063175A CN 102063175 A CN102063175 A CN 102063175A CN 2009102381670 A CN2009102381670 A CN 2009102381670A CN 200910238167 A CN200910238167 A CN 200910238167A CN 102063175 A CN102063175 A CN 102063175A
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Abstract
The embodiment of the invention provides a method for closing a standby power supply, electronic equipment and a mainboard. The method is used for the electronic equipment with a main power supply and a standby power supply, wherein the main power supply is used for supplying power for the electronic equipment and has a working state and a closing state; the standby power supply is used for supplying power for a standby module of the electronic equipment when the main power supply is in a closing state and has a working state and a closing sate, wherein the standby module is used for switching the main power supply form the closing state to the working state. The method comprises the steps of: reading state information of the main power supply; judging the state information of the main power supply, and obtaining a judgment result; and when the judgment result indicates that the main power supply is in the closing state, closing the standby power supply. The embodiment of the invention can close the standby power supply when the mainboard is in the closing state so that the electric energy can be saved, and ensures that the mainboard can be started again under the condition that the standby power supply is closed.
Description
Technical field
The present invention relates to computer realm, particularly relate to a kind of mainboard of realizing and under off-mode, close method, electronic equipment and the mainboard of standby power.
Background technology
PC (personal computer PC) mainboard is connecting under AC (interchange) the power supply situation at off-mode and PSU (powersupply unit power-supply unit) now, Super I/O (super output/input equipment), CMOS and LAN are in running order, and these modules need PSU 5VSB power supply.
Wherein 5VSB is meant the 5V standby power, and standby power is meant when computer is not started shooting but plugged in external power source, is the last subelement power supply of mainboard, can do the power supply of effects such as waking up.
Mainboard design like this is to use calling function of network and ME (Managementengine is used for realizing telemanagement and the safety management of BIOS) function in order to satisfy certain customers.
But, also have a lot of pc users can not use these functions.So so, these do not use the user of calling function of network and ME function being connected under the AC power supplies situation with regard to the unnecessary electric energy of needs waste in mainboard shutdown and PSU.And now European energy-conservation association has also issued PC shutdown energy conservation standard down, and needs satisfied PC shutdown power consumption number less than 1W in 2010, needs satisfied requirement less than 0.5W in 2012.How making mainboard 5VSB when shutdown reach lowest power consumption is the problem that this industry will solve.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of method, electronic equipment and mainboard of turning off standby power supply, closes standby power under mainboard is in off-mode, saves energy, and ensure that mainboard can start once more under the condition that disconnects standby power.
To achieve these goals, on the one hand, provide a kind of method of turning off standby power supply, be used to have the electronic equipment of primary power and standby power, described primary power is used for described power electronic equipment, and has duty and closed condition; Described standby power is used for when described primary power is in described closed condition the standby module to described electronic equipment and powers, and have duty and a closed condition, wherein, described standby module is used for described primary power is switched to duty from closed condition, and method comprises:
Read the status information of described primary power;
Judge the status information of described primary power, obtain a judged result;
When described judged result shows that described primary power is in described closed condition, close described standby power.
Preferably, in the above-mentioned method, describedly also comprise after closing described standby power step:
Reception is to the switching command of described primary power, and described switching command is used for described primary power is switched to duty from closed condition;
Described standby power is switched to duty, and give described standby module for power supply;
Described standby module switches to duty with described primary power.
Preferably, in the above-mentioned method, after described standby module switches to the step of duty with described primary power, also comprise:
Described standby power is switched to closed condition.
Preferably, in the above-mentioned method, before the step of the status information that reads described primary power, also comprise: confirm whether the Remote Wake Up function of described electronic equipment and/or ME function close, if close then carry out the step of the status information that reads described primary power.
Another aspect provides a kind of electronic equipment, has primary power and standby power, and described primary power is used for described power electronic equipment, and has duty and closed condition; Described standby power is used for when described primary power is in described closed condition the standby module to described electronic equipment and powers, and have duty and a closed condition, wherein, described standby module is used for described primary power is switched to duty from closed condition, and electronic equipment comprises:
Storage unit is used for: the status information of storing described primary power;
Reading unit is used for: the status information that reads described primary power from described storage unit;
Judging unit is used for: judge the status information of described primary power, obtain a judged result;
Closing unit is used for: when described judged result shows that described primary power is in described closed condition, close described standby power.
Preferably, in the above-mentioned electronic equipment, also comprise:
Open the unit, be used for: receive the switching command to described primary power, described switching command is used for described primary power is switched to duty from closed condition; Described standby power is switched to duty, thereby described standby module switches to duty with described primary power.
Preferably, in the above-mentioned electronic equipment, described closing unit also is used for: after described standby module switches to duty with described primary power, described standby power is switched to closed condition.
In one aspect, provide a kind of mainboard, have primary power and standby power, described primary power is used for described main board power supply, and has duty and closed condition; Described standby power is used for when described primary power is in described closed condition the standby module to described electronic equipment and powers, and have duty and a closed condition, wherein, described standby module is used for described primary power is switched to duty from closed condition
Also comprise: CMOS, chip unit, change-over switch;
Described chip unit is used for: read the status information of the described primary power of CMOS, judge the status information of described primary power, obtain a judged result;
Described change-over switch is used for: when described judged result shows that described primary power is in described closed condition, close described standby power.
Preferably, in the above-mentioned mainboard, also comprise: controller and controllable state switch;
Described controller is used for: after the power key of described primary power is pressed, by the described controllable state switch of closure described standby power is connected with described chip unit;
Described chip unit also is used for: after finishing initialization, by described change-over switch described standby power is switched to duty, making described standby power is described standby module for power supply.
Preferably, in the above-mentioned mainboard, described chip unit also is used for: described standby module with described primary power after closed condition switches to duty, make described standby power transfer closed condition to by turn-offing described controllable state switch.
Preferably, in the above-mentioned mainboard, described chip unit also is used for: before reading the status information of CMOS, judging whether the calling function of network of described mainboard closes, is the status information that then reads among the CMOS, otherwise refusal reads the status information among the CMOS.
Preferably, in the above-mentioned mainboard, described chip unit is the super output/input equipment Super I/O of described mainboard, and described change-over switch is a mos field effect transistor.
There is following technique effect at least in the embodiment of the invention:
1) embodiment of the invention is when confirming that primary power is in described closed condition, and the turning off standby power supply is avoided the unnecessary power consumption of electronic equipment.
2) after the status information of the embodiment of the invention in confirming CMOS is off-mode, can disconnect standby power, so that avoid when computer is not started shooting but plugged in external power source, the last subelement of mainboard is the problem of power consumption still.
3) pass through the controllable state switch with standby power connection-core blade unit, restart chip unit, chip unit makes mainboard reconnect standby power by change-over switch, thereby finishes the startup of computer.Can ensure that just mainboard can start once more under the condition that disconnects standby power.
Description of drawings
The flow chart of steps of the method that Fig. 1 provides for the embodiment of the invention;
The flow chart of steps of the method that Fig. 2 provides for second embodiment of the invention;
The structural drawing of the electronic equipment that Fig. 3 provides for the embodiment of the invention;
The structural drawing of the mainboard that Fig. 4 provides for the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, specific embodiment is described in detail below in conjunction with accompanying drawing.
The flow chart of steps of the method that Fig. 1 provides for the embodiment of the invention; As shown in the figure, the method for turning off standby power supply of the present invention is used to have the electronic equipment of primary power and standby power, and described primary power is used for described power electronic equipment, and has duty and closed condition; Described standby power is used for when described primary power is in described closed condition the standby module to described electronic equipment and powers, and have duty and a closed condition, wherein, described standby module is used for described primary power is switched to duty from closed condition, and method comprises:
Wherein, can also comprise after the step 103: receive the switching command to described primary power, described switching command is used for described primary power is switched to duty from closed condition; Described standby power is switched to duty, and give described standby module for power supply; Described standby module switches to duty with described primary power.After described standby module switches to the step of duty with described primary power, can also comprise: described standby power is switched to closed condition.
The flow chart of steps of the method that Fig. 2 provides for second embodiment of the invention, as shown in Figure 2, the method for turning off standby power supply of the present invention is used to have the mainboard of CMOS, comprising:
Therefore, after the status information of the embodiment of the invention in confirming CMOS is off-mode, can disconnect standby power, so that avoid when computer is not started shooting but plugged in external power source, the last subelement of mainboard is the problem of power consumption still.
Wherein, step 201, status information also can be in status register, are not limited to CMOS.
Wherein, step 202, except disconnecting by change-over switch being connected of standby power and mainboard, also direct turning off standby power supply also can reach the purpose that mainboard does not connect power supply.
But, turn-off standby power and bring problem can for the startup of computer, therefore, after step 202, the embodiment of the invention also comprises:
Like this, with standby power connection-core blade unit, restart chip unit by the controllable state switch, chip unit makes mainboard reconnect standby power by change-over switch, thereby finishes the startup of computer.Can ensure that just mainboard can start once more under the condition that disconnects standby power.
In step 205, can also comprise: after described mainboard was finished initialization and start operation, described chip unit turn-offed described controllable state switch.This is to disconnect standby power when shutting down for convenience once more next time.
Certainly, the switching command of described primary power can be that power key is pressed, also other control commands.Can described standby power be connected to described mainboard by described change-over switch, also can finish by other modes such as instruction control relays.
And after the disconnection standby power, just calling function of network and/or ME function can not have been realized again, therefore the present invention can only not use when the user does not need calling function of network and/or ME function, so before step 201, also comprise: whether the calling function of network of judging described mainboard closes, be then to carry out the step that described chip unit reads the status information among the CMOS, otherwise withdraw from flow process (also can not withdraw from flow process, but provide prompting, allow the user close WOL (Wake On LAN) and/or ME).
The above function of the embodiment of the invention can be provided with in CMOS, and after wake on lan (WOL (Wake On LAN)) function was closed, embodiment of the invention flow process can be opened automatically.
In the embodiment of the invention, described chip unit adopts the Super I/O (super output/input equipment) of described mainboard, and described change-over switch adopts Mosfet (mos field effect transistor), and standby power is 5VSB.
The structural drawing of the electronic equipment that Fig. 3 provides for the embodiment of the invention, electronic equipment has primary power and standby power, and described primary power is used for described power electronic equipment, and has duty and closed condition; Described standby power is used for when described primary power is in described closed condition the standby module to described electronic equipment and powers, and have duty and a closed condition, wherein, described standby module is used for described primary power is switched to duty from closed condition, as shown in Figure 3, electronic equipment comprises:
Reading unit 302 is used for: the status information that reads described primary power from described storage unit;
Judging unit 303 is used for: judge the status information of described primary power, obtain a judged result;
Can also comprise the unlatching unit, be used for: receive the switching command to described primary power, described switching command is used for described primary power is switched to duty from closed condition; Described standby power is switched to duty, thereby described standby module switches to duty with described primary power.Wherein, described closing unit 304 also is used for: after described standby module switches to duty with described primary power, described standby power is switched to closed condition.
The embodiment of the invention also provides a kind of mainboard, has primary power and standby power, and described primary power is used for described main board power supply, and has duty and closed condition; Described standby power is used for when described primary power is in described closed condition the standby module to described electronic equipment and powers, and have duty and a closed condition, wherein, described standby module is used for described primary power is switched to duty from closed condition, and described mainboard also comprises: CMOS, chip unit, change-over switch;
Described chip unit is used for: read the status information of the described primary power of CMOS, judge the status information of described primary power, obtain a judged result;
Described change-over switch is used for: when described judged result shows that described primary power is in described closed condition, close described standby power.
Described mainboard also comprises: controller and controllable state switch; Described controller is used for: after the power key of described primary power is pressed, by the described controllable state switch of closure described standby power is connected with described chip unit; Described chip unit also is used for: after finishing initialization, by described change-over switch described standby power is switched to duty, making described standby power is described standby module for power supply.Described chip unit also is used for: described standby module with described primary power after closed condition switches to duty, make described standby power transfer closed condition to by turn-offing described controllable state switch.Described chip unit also is used for: before reading the status information of CMOS, judging whether the calling function of network of described mainboard closes, is the status information that then reads among the CMOS, otherwise refusal reads the status information among the CMOS.Described chip unit is the super output/input equipment Super I/O of described mainboard, and described change-over switch is a mos field effect transistor.
The structural drawing of the mainboard that Fig. 4 provides for the embodiment of the invention.As shown in Figure 4, the SuperI/O to mainboard carries out the function increase.And can make amendment to the mainboard electrifying timing sequence.Can increase the function of 4 pin pin among the IC of Super I/O (integrated circuit) newly.Mainboard is when shutdown, and Super I/O can be after reading CMOSS5 (the off-mode register of CMOS), and Super I/O breaks the power supply of 5VSB by closing Mosfet 401, to reach mainboard zero-power under S5.So do not having just to relate to the problem of mainboard start under the situation of 5VSB.Can realize by the following method that mainboard starts shooting under the situation of 5VSB not having.
Go up controllable state switch 402 of increase at Power button (power key), after the user pressed Powerbutton, controllable state switch 402 can be connected to 5VSB on the Super I/O and keep this state always.Super I/O is after receiving 5VSB, and Super I/O can at first finish initialization and control Mosfet 201 and give SB (Stand-by, treating machine equipment on the mainboard) with 5VSB, makes SB finish initialization and finishes boot action.Super I/O switches to off-state with status switch afterwards.Finish boot action by this way.The controlling electric energy that is consumed in the time of so mainboard can being shut down is zero, to reach purpose of energy saving.This function can be provided with in CMOS, and after wake on lan function was closed, this function was opened automatically.
As from the foregoing, the embodiment of the invention has following advantage:
1) embodiment of the invention is when confirming that primary power is in described closed condition, and the turning off standby power supply is avoided the unnecessary power consumption of electronic equipment.
2) after the status information of the embodiment of the invention in confirming CMOS is off-mode, can disconnect standby power, so that avoid when computer is not started shooting but plugged in external power source, the last subelement of mainboard is the problem of power consumption still.
3) pass through the controllable state switch with standby power connection-core blade unit, restart chip unit, chip unit makes mainboard reconnect standby power by change-over switch, thereby finishes the startup of computer.Can ensure that just mainboard can start once more under the condition that disconnects standby power.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. the method for a turning off standby power supply is used to have the electronic equipment of primary power and standby power, and described primary power is used for described power electronic equipment, and has duty and closed condition; Described standby power is used for when described primary power is in described closed condition the standby module to described electronic equipment and powers, and have duty and closed condition, wherein, described standby module is used for described primary power is switched to duty from closed condition, it is characterized in that, comprising:
Read the status information of described primary power;
Judge the status information of described primary power, obtain a judged result;
When described judged result shows that described primary power is in described closed condition, close described standby power.
2. method according to claim 1 is characterized in that, describedly also comprises after closing described standby power step:
Reception is to the switching command of described primary power, and described switching command is used for described primary power is switched to duty from closed condition;
Described standby power is switched to duty, and give described standby module for power supply;
Described standby module switches to duty with described primary power.
3. method according to claim 1 is characterized in that, after described standby module switches to the step of duty with described primary power, also comprises:
Described standby power is switched to closed condition.
4. method according to claim 1, it is characterized in that, before the step of the status information that reads described primary power, also comprise: confirm whether the Remote Wake Up function of described electronic equipment and/or ME function close, if close then carry out the step of the status information that reads described primary power.
5. an electronic equipment has primary power and standby power, and described primary power is used for described power electronic equipment, and has duty and closed condition; Described standby power is used for when described primary power is in described closed condition the standby module to described electronic equipment and powers, and have duty and closed condition, wherein, described standby module is used for described primary power is switched to duty from closed condition, it is characterized in that, comprising:
Storage unit is used for: the status information of storing described primary power;
Reading unit is used for: the status information that reads described primary power from described storage unit;
Judging unit is used for: judge the status information of described primary power, obtain a judged result;
Closing unit is used for: when described judged result shows that described primary power is in described closed condition, close described standby power.
6. electronic equipment according to claim 5 is characterized in that, also comprises:
Open the unit, be used for: receive the switching command to described primary power, described switching command is used for described primary power is switched to duty from closed condition; Described standby power is switched to duty, thereby described standby module switches to duty with described primary power.
7. method according to claim 6 is characterized in that,
Described closing unit also is used for: after described standby module switches to duty with described primary power, described standby power is switched to closed condition.
8. a mainboard has primary power and standby power, and described primary power is used for described main board power supply, and has duty and closed condition; Described standby power is used for when described primary power is in described closed condition the standby module to described electronic equipment and powers, and have duty and a closed condition, wherein, described standby module is used for described primary power is switched to duty from closed condition
It is characterized in that, also comprise: CMOS, chip unit, change-over switch;
Described chip unit is used for: read the status information of the described primary power of CMOS, judge the status information of described primary power, obtain a judged result;
Described change-over switch is used for: when described judged result shows that described primary power is in described closed condition, close described standby power.
9. mainboard according to claim 8 is characterized in that, also comprises: controller and controllable state switch;
Described controller is used for: after the power key of described primary power is pressed, by the described controllable state switch of closure described standby power is connected with described chip unit;
Described chip unit also is used for: after finishing initialization, by described change-over switch described standby power is switched to duty, making described standby power is described standby module for power supply.
10. mainboard according to claim 9 is characterized in that,
Described chip unit also is used for: described standby module with described primary power after closed condition switches to duty, make described standby power transfer closed condition to by turn-offing described controllable state switch.
11. mainboard according to claim 10 is characterized in that,
Described chip unit also is used for: before reading the status information of CMOS, judging whether the calling function of network of described mainboard closes, is the status information that then reads among the CMOS, otherwise refusal reads the status information among the CMOS.
12., it is characterized in that described chip unit is the super output/input equipment Super I/O of described mainboard according to claim 9,10 or 11 described mainboards, described change-over switch is a mos field effect transistor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102381670A CN102063175A (en) | 2009-11-17 | 2009-11-17 | Method for closing standby power supply, electronic equipment and mainboard |
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| CN2009102381670A CN102063175A (en) | 2009-11-17 | 2009-11-17 | Method for closing standby power supply, electronic equipment and mainboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015070600A1 (en) * | 2013-11-15 | 2015-05-21 | 京东方科技集团股份有限公司 | Power supply circuit and display device having power supply circuit |
| CN108227900A (en) * | 2017-12-29 | 2018-06-29 | 深圳Tcl新技术有限公司 | Electronic equipment, energy-saving control method, energy saver and readable storage medium storing program for executing |
| CN111045506A (en) * | 2019-12-30 | 2020-04-21 | 联想(北京)有限公司 | Control method and electronic equipment |
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| CN2881771Y (en) * | 2005-10-24 | 2007-03-21 | 四川长虹电器股份有限公司 | Electrical equipment standby controller |
| CN101459389A (en) * | 2007-12-14 | 2009-06-17 | 鸿富锦精密工业（深圳）有限公司 | Host board voltage regulating circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2881771Y (en) * | 2005-10-24 | 2007-03-21 | 四川长虹电器股份有限公司 | Electrical equipment standby controller |
| CN101459389A (en) * | 2007-12-14 | 2009-06-17 | 鸿富锦精密工业（深圳）有限公司 | Host board voltage regulating circuit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015070600A1 (en) * | 2013-11-15 | 2015-05-21 | 京东方科技集团股份有限公司 | Power supply circuit and display device having power supply circuit |
| US9640133B2 (en) | 2013-11-15 | 2017-05-02 | Boe Technology Group Co., Ltd. | Power supply circuit and a display device comprising the power supply circuit |
| CN108227900A (en) * | 2017-12-29 | 2018-06-29 | 深圳Tcl新技术有限公司 | Electronic equipment, energy-saving control method, energy saver and readable storage medium storing program for executing |
| CN111045506A (en) * | 2019-12-30 | 2020-04-21 | 联想(北京)有限公司 | Control method and electronic equipment |
| CN111045506B (en) * | 2019-12-30 | 2021-07-16 | 联想(北京)有限公司 | Control method and electronic equipment |
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Application publication date: 20110518 |