CN101639724B - Computer, computer power supply control device and power supply control method - Google Patents
Computer, computer power supply control device and power supply control method Download PDFInfo
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- CN101639724B CN101639724B CN 200810117447 CN200810117447A CN101639724B CN 101639724 B CN101639724 B CN 101639724B CN 200810117447 CN200810117447 CN 200810117447 CN 200810117447 A CN200810117447 A CN 200810117447A CN 101639724 B CN101639724 B CN 101639724B
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Abstract
The invention provides a computer, a computer power supply control device and a power supply control method. The device comprises a monitoring unit, a judging unit and a control instruction generating unit, wherein the monitoring unit is used for acquiring state information of one power consumption component in the computer, and the state information of the power consumption component comprises a working state and an idle state; the judging unit is used for comparing the idle state duration time with a preset threshold time when the state information is in the idle state, and generating a comparison result when the idle state duration time is equal to or greater than the preset threshold time; and the control instruction generating unit is used for generating a control instruction for controlling the power failure of a host power supply according to the comparison result, and the host power supply stops supplying power to the power consumption component based on the control instruction. By using the technique provided by the invention, the power supply of the power consumption component can be thoroughly cut off in the idle state so that the whole computer system can save electric energy so as to realize timely and flexible power failure according to the state of the power consumption component and improve the power supply efficiency of the system.
Description
Technical field
The present invention relates to the computer power supply technology, refer to especially a kind of computing machine, computer power supply control device and method for controlling power supply.
Background technology
In the computer application process, be not that power consumption parts all on the computing machine all are in real duty simultaneously under the "on" position, such as digital video disk or digital shadow dish/compact disc ROM (read-only memory) (DVD/CD-ROM, Digital Video Disk/Compact Disc read-only memory), floppy drive (FLOPPY) and display etc., just at CPU it is carried out just understanding in the reading and writing data process the real work of carrying out, and DVD/CD-ROM At All Other Times, FLOPPY is in idle condition (IDLE), and display does not need demonstration information yet under some state.Usually, the control of above-mentioned power consumption parts not being cut off the electricity supply when computing machine is in idle condition even if that is to say that the power consumption parts are in idle condition power consumption is also still arranged, causes the waste of power consumption.The actual test of doing by adding up many moneys DVD/CD-ROM, FLOPPY and display, DVD/CD-ROM is under idle condition, its 12V and 5V power supply consume the electric energy of 6W～9W altogether, FLOPPY also will consume the electric energy of 5W～7W under idle condition, display is lower in off position also power consumption, and these electric energy that are consumed are wasted fully.
Although prior art attempts to solve the problem of computing machine waste electric energy, prior art is come saves energy mostly or by closing display power supply; Or can only control the change in voltage of output device or cut off the electricity supply in the process of control power consumption, but current consuming apparatus can not be initiatively to the main control computer feedback information.
Therefore in the prior art, the power consumption parts many to power consumption in the computing machine, a kind of power supply plan of battery saving mode can't be provided, and prior art owing to not have effectively realizes the two-way interactive between power supply control apparatus and the power consumption parts, thereby causes can't be in time cutting off the power supply according to the state of power consumption parts flexibly or powering.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of computing machine, computer power supply control device and method for controlling power supply, be used for solving prior art, prior art owing to not have effectively realizes the two-way interactive between power supply control apparatus and the power consumption parts, thereby causes can't be in time cutting off the power supply according to the state of power consumption parts flexibly or powering.
The embodiment of the invention provides a kind of computer power supply control device, and in the computing machine, described power supply control apparatus and mainboard carry out communication, and the steering order of transmission arrives mainboard, is transmitted to controlled circuit by mainboard by communication interface; The built-in main control chip of host power supply, described main control chip be with communication interface, and between the communication interface of described mainboard, connect by two cables, sets up the control path between mainboard and the host power supply; Power supply control apparatus comprises: monitoring means, and for the status information of obtaining power consumption parts of computing machine, described power consumption parts are when described computing machine is in normal operating condition, and described status information has two states: duty and idle condition; Judging unit, be used for when described status information is idle condition, described the idle condition time that continues and the threshold time that sets in advance are compared, when the time that described idle condition continues is equal to or greater than the described threshold time that sets in advance, generate comparative result; The steering order generation unit is used for according to described comparative result, generates the steering order of main control system power cut-off; Described host power supply stops described power consumption parts power supply based on described steering order; Be connected port, be used for connecting described steering order generation unit and the communication interface that is positioned at mainboard, and described control command is delivered to described host power supply by described communication interface.
Described device also comprises: interrupt processing unit, being used for receiving also, basis generates wake-up interrupts from the interrupt request of the described power consumption parts of difference; Described steering order generation unit, be further used for generating according to described wake-up interrupts the steering order of main control system Power supply, based on described steering order, described host power supply begins to make described power consumption parts be in described duty to described power consumption parts power supply.
Described device also comprises: be connected port, also be used for connecting described interruption processing unit and the universal input/output interface that is positioned at mainboard, and the described interrupt request of transmitting from described power consumption parts arrives described interruption processing unit.
Described device, described power consumption parts comprise at least: DVD/CD-ROM, floppy drive or display.
Described device, described power supply control apparatus are to drive special chip or applied logic.
A kind of computing machine comprises: the power consumption device is used to the Computer Processing instruction and data; Host power supply is used to described power consumption device that electric power is provided; The built-in main control chip of host power supply, described main control chip be with communication interface, and between the communication interface of described mainboard, connect by two cables, sets up the control path between mainboard and the host power supply;
Power supply control apparatus carries out communication with mainboard, and the steering order of transmission arrives mainboard, is transmitted to controlled circuit by mainboard by communication interface; When being idle condition for the status information of calculating described power consumption parts, the time that described idle condition continues and the comparative result of threshold time, and according to described comparative result, generate steering order and the transmission of main control system power cut-off; Be connected port, be used for connecting described steering order generation unit and the communication interface that is positioned at mainboard, and described control command is delivered to described host power supply by described communication interface; Main control chip is positioned at described host power supply, is used for receiving described control command, and specifically carries out the described steering order of described main control system power cut-off; Controlled circuit is used for disconnecting the host power supply of described steering order and the described supply access between the described power consumption parts according to described steering order.
Described computing machine, described power supply control apparatus also comprises: interrupt processing unit, being used for receiving also, basis generates wake-up interrupts from the interrupt request of the described power consumption parts of difference; Generate the described steering order that the described host power supply of control is powered according to described wake-up interrupts, based on described steering order, described host power supply makes described power consumption parts be in described duty to described power consumption parts power supply.
Described computing machine, described power supply control apparatus further comprises: judging unit, be used for described status information and the threshold time that sets in advance are compared, generate comparative result; Interrupt processing unit, being used for receiving also, basis generates wake-up interrupts from the interrupt request of the described power consumption parts of difference.
A kind of computer power supply control method, in the computing machine, power supply control apparatus and mainboard carry out communication, and the steering order of transmission arrives mainboard, is transmitted to controlled circuit by mainboard by communication interface; The built-in main control chip of host power supply, described main control chip be with communication interface, and between the communication interface of described mainboard, connect by two cables, sets up the control path between mainboard and the host power supply; Method is applied to power supply control apparatus, comprising: the status information of obtaining power consumption parts in the computing machine; Described power consumption parts are when described computing machine is in normal operating condition, and described status information has two states: duty and idle condition; When described status information is idle condition, described the idle condition time that continues and the threshold time that sets in advance are compared, when the time that described idle condition continues is equal to or greater than the described threshold time that sets in advance, generate comparative result; According to described comparative result, generate the steering order of main control system power cut-off, described control command arrives described host power supply by the communication interface that is positioned at mainboard, and described host power supply stops described power consumption parts power supply based on described steering order.
Described method, described host power supply stop also to comprise: according to the interrupt request from the described power consumption parts of difference, generate wake-up interrupts after the described power consumption parts power supply; According to the steering order of described wake-up interrupts generation main control system Power supply, based on described steering order, described host power supply begins to make described power consumption parts be in described duty to described power consumption parts power supply.
Use technology provided by the invention, can be so that the power consumption parts can thoroughly cut off power supply under idle condition, so that the waste of energy that whole computer system can be saved; Simultaneously, when the power consumption parts are triggered by user or operating system, in the time of need to powering, in time notice is positioned at the electric power supply of the controlled circuit connection power consumption parts of host power supply, thereby state outage or power supply according to power consumption parts have been realized in time flexibly, reduce the power budget of computer system integral body, improved the efficient of the power supply of system.
Description of drawings
Fig. 1 is the computer-internal structural representation of the built-in power supply control apparatus of the preferred embodiment of the present invention;
Fig. 2 is the structural representation of preferred embodiment of the present invention power supply control apparatus;
Fig. 3 is preferred embodiment of the present invention method flow synoptic diagram.
Embodiment
The embodiment of the invention is the technological innovation of making in view of the problem that prior art exists, and its purpose is to provide a kind of computing machine, computer power supply control device and method for controlling power supply.
A kind of power supply control apparatus 101 is provided, this power supply control apparatus 101 carries out communication with mainboard 102, the steering order that sends arrives mainboard 102, be transmitted to controlled circuit 105 by mainboard 102 by interface, controlled circuit 105 cuts off host power supply to the power supply of DVD/CDROM, FLOPPY and display according to steering order, and enter battery saving mode, and perhaps connect host power supply to the power supply of DVD/CDROM, FLOPPY and display according to steering order, enter powering mode; Described steering order comprises: the power supply instruction is used for notice controlled circuit 105 and connects; Cut off instruction, be used for notice controlled circuit 105 and cut off power supply, enter battery saving mode.
Take multi-purpose computer as example, as shown in Figure 1, usually the electric power of DVD/CDROM, FLOPPY all is that host power supply by computing machine directly provides, be built in the controlled circuit 105 of host power supply, can draw some cables, cable has the 4pin joint usually, specifically is divided into: a 12V cable, a 5V cable and two ground wires are realized power supply to DVD/CDROM, FLOPPY respectively by two 4pin joints; The power supply of display also is to be controlled by described controlled circuit 105 usually.
Built-in main control chip (the MCU of host power supply, Multipoint Control Unit) 104, this main control chip 104 is with communication interface, and 103 of the communication interfaces of described mainboard 102 connect by two cables, set up the control path between mainboard 102 and the host power supply, be describing method, general I2C interface or universal input/output (GPIO, the General Purpose Input Output) interface of following communication interface 103 concrete employings, and specifically comprise:
For realizing the two-way interactive between power supply control apparatus 101 and the power consumption parts, the GPIO that the open key of DVD/CDROM is connected with mainboard by cable realizes connecting; If the DVD/CDROM of integrated drive electronics (IDE, Integrated Drive Electronics) interface can utilize pin32 on the shelf in the ide interface to connect the GPIO of mainboard 102; If the DVD/CDROM of serial ATA (SATA, Serial Advanced Technology Attachment) interface then can draw separately the GPIO header that the single line cable connects mainboard 102.
To having DVD or CD disc to storE therein DVD/CDROM, can click the drive that is arranged in the DVD/CDROM that becomes gloomy or other form that computing machine shows, power supply control apparatus 101 passes through the I2C interface of mainboard 102 to the host power supply sending controling instruction, so that host power supply recovers the power supply of DVD/CDROM, read simultaneously the content of disc;
For FLOPPY, no matter whether have disc within it, as the drive or the operating system (OS that click this FLOPPY, Operating System) in the time of need to reading FLOPPY, then described power supply control apparatus 101 is by the sending controling instruction of I2C interface to host power supply, so that host power supply recovers the power supply of FLOPPY, read simultaneously the content of FLOPPY;
For display, can be generated by the interrupt operation from keyboard and mouse or alternate manner and interrupt, if keyboard and mouse or other interrupt operation are namely arranged, then described power supply control apparatus 101 recovers the power supply to display by main control chip 104 sending controling instructions of I2C interface to host power supply.
Particularly, power supply control apparatus 101 can be based on a kind of driver or the application program of operating system exploitation, so that after entering computing machine OS, carry out power supply control by 101 pairs of host power supplies as controlled circuit 105 of described power supply control apparatus.Specifically comprise:
Monitoring means 201 is for the status information of obtaining each power consumption parts of computing machine; Specifically comprise: receive the status information from power consumption parts in the computing machines such as DVD/CDROM, FLOPPY or display, perhaps the status information of the machine elements such as the described DVD/CDROM of active inquiry, FLOPPY or display; Usually adopt the described status information of periodic queries.The power consumption parts are when computing machine is in normal operating condition, and described status information has two states: duty and idle condition.
When pressing the DVD/CDROM open key, can export to 102 1 interrupt request of mainboard by the level redirect mode of GPIO, described interruption processing unit 203 is received this interrupt request, generates wake-up interrupts and sends to steering order generation unit 204.
To having DVD or CD disc to storE therein DVD/CDROM, also can click the drive that DVD/CDROM has become gloomy or other icon, the driver of DVD/CDROM can generate a same interruption, described interruption processing unit 203 is received this interruption, generate wake-up interrupts and send to steering order generation unit 204, pass through the I2C interface of mainboard 102 to the host power supply sending controling instruction by power supply control apparatus 101, so that host power supply recovers the power supply of DVD/CDROM, read simultaneously the content of disc.
Steering order generation unit 204 is used for according to described comparative result or described wake-up interrupts from judging unit 202, generates steering order and sends to mainboard 102; Wherein, when the time that described idle condition continues is equal to or greater than the threshold time that sets in advance, according to described comparative result, generate the steering order of main control system power cut-off; Otherwise, according to described comparative result, generate the steering order of main control system Power supply.That is, if described comparative result represents to satisfy time threshold, and described status information represents that parts are in idle condition, and the steering order of generation is described cut-offing instruction; If received the wake-up interrupts from described interruption processing unit 203, and described status information represents that controlled circuit 105 is in off-position, and the steering order that then generates is described power supply instruction.
Power supply control apparatus 101 can also comprise: the linking port, be used for connecting described interruption processing unit 203 and the GPIO that is positioned at mainboard 102, and the interrupt request of transmitting from the power consumption parts arrives interruption processing unit 203;
Also be used for connecting steering order generation unit 204 and the communication interface 103 that is positioned at mainboard 102, and control command is delivered to the main control chip 104 that is positioned at host power supply by communication interface 103.
Corresponding with a kind of computer power supply control device, the present invention also provides a kind of method for controlling power supply, comprising:
The more parts of several power consumption in step 301. power supply control apparatus 101 monitoring computers, and obtain status information;
The approach that obtains status information mainly is divided into: receive the status information from machine elements such as DVD/CDROM, FLOPPY or displays; Perhaps the status information of the machine elements such as the described DVD/CDROM of active inquiry, FLOPPY or display adopts the described status information of periodic queries usually.
Perhaps keep current battery saving mode.
Corresponding with a kind of computer power supply control device and method for controlling power supply, the present invention also provides a kind of computing machine, comprising:
Controlled circuit 105 is used for according to the order from MCU, cuts off or connect power cable to the supply access of power consumption device.
The power consumption device is connected with described controlled circuit 105 by the cable of powering, and is connected with MCU by the control path, is used to computing machine that concrete various instructions, data processing function is provided.
Power supply control apparatus 101, for the status information of obtaining each power consumption parts of computing machine, when the power consumption parts were in normal operating condition at described computing machine, described status information had two states: duty and idle condition; When described status information is idle condition, the idle condition time that continues and the threshold time that sets in advance are compared, generate comparative result; Or according to hardware interrupts or software interruption generation wake-up interrupts, described comparative result or described wake-up interrupts generate steering order and also send to mainboard 102.Wherein, when the time that described idle condition continues is equal to or greater than the threshold time that sets in advance, according to described comparative result, generate the steering order of main control system power cut-off; Otherwise, according to described comparative result, generate the steering order of main control system Power supply.
Power supply control apparatus 101 can be based on a kind of driver or the application program of operating system exploitation, can be special chip also, enter computing machine OS after, carry out power supply control by 101 pairs of host power supplies of described power supply control apparatus.
Host power supply cuts off the power supply of parts corresponding to computing machine, and the while becomes the display icon of DVD/CDROM, FLOPPY gloomy or replaces with other icon;
Use technical scheme provided by the invention, can be so that DVD/CDROM, FLOPPY and display can thoroughly cut off power supply under idle condition, so that the waste of energy that whole computer system can be saved; Simultaneously, when the power consumption parts are triggered by user or operating system, in the time of need to powering, power supply control apparatus 101 can be according to interrupt request or corresponding wake-up interrupts, in time notice is positioned at the electric power supply of the controlled circuit 105 connection power consumption parts of host power supply, thereby realized in time having reduced the power budget of computer system integral body flexibly according to state outage or the power supply of power consumption parts, improved the efficient of the power supply of system.
Should be noted that above embodiment is only unrestricted in order to technical scheme of the present invention to be described, all parameter values can be according to the actual conditions adjustment, and in this rights protection scope.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spiritual scope of technical solution of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. a computer power supply control device is characterized in that, in the computing machine, described power supply control apparatus and mainboard carry out communication, and the steering order of transmission arrives mainboard, is transmitted to controlled circuit by mainboard by communication interface;
The built-in main control chip of host power supply, described main control chip be with communication interface, and between the communication interface of described mainboard, connect by two cables, sets up the control path between mainboard and the host power supply;
Power supply control apparatus comprises:
Monitoring means, for the status information of obtaining power consumption parts of computing machine, described power consumption parts are when described computing machine is in normal operating condition, and described status information has two states: duty and idle condition;
Judging unit, be used for when described status information is idle condition, described the idle condition time that continues and the threshold time that sets in advance are compared, when the time that described idle condition continues is equal to or greater than the described threshold time that sets in advance, generate comparative result;
The steering order generation unit is used for according to described comparative result, generates the steering order of main control system power cut-off; Described host power supply stops described power consumption parts power supply based on described steering order;
Be connected port, be used for connecting described steering order generation unit and the communication interface that is positioned at mainboard, and described control command is delivered to described host power supply by described communication interface.
2. device according to claim 1 is characterized in that, also comprises:
Interrupt processing unit, being used for receiving also, basis generates wake-up interrupts from the interrupt request of the described power consumption parts of difference;
Described steering order generation unit, be further used for generating according to described wake-up interrupts the steering order of main control system Power supply, based on described steering order, described host power supply begins to make described power consumption parts be in described duty to described power consumption parts power supply.
3. device according to claim 2 is characterized in that, also comprises:
Be connected port, also be used for connecting described interruption processing unit and the universal input/output interface that is positioned at mainboard, and the described interrupt request of transmitting from described power consumption parts arrives described interruption processing unit.
4. device according to claim 1 is characterized in that, described power consumption parts comprise at least:
DVD/CD-ROM, floppy drive or display.
5. device according to claim 1 is characterized in that, described power supply control apparatus is to drive special chip or applied logic.
6. a computing machine is characterized in that, comprising:
The power consumption device is used to the Computer Processing instruction and data;
Host power supply is used to described power consumption device that electric power is provided; The built-in main control chip of host power supply, described main control chip be with communication interface, and between the communication interface of mainboard, connect by two cables, sets up the control path between mainboard and the host power supply;
Power supply control apparatus carries out communication with mainboard, and the steering order of transmission arrives mainboard, is transmitted to controlled circuit by mainboard by communication interface; When being idle condition for the status information of calculating described power consumption parts, the time that described idle condition continues and the comparative result of threshold time, and according to described comparative result, generate steering order and the transmission of main control system power cut-off;
Be connected port, be used for connecting described steering order generation unit and the communication interface that is positioned at mainboard, and described control command is delivered to described host power supply by described communication interface;
Main control chip is positioned at described host power supply, is used for receiving described control command, and specifically carries out the described steering order of described main control system power cut-off;
Controlled circuit is used for disconnecting the host power supply of described steering order and the described supply access between the described power consumption parts according to described steering order.
7. computing machine according to claim 6 is characterized in that, described power supply control apparatus also comprises:
Interrupt processing unit, being used for receiving also, basis generates wake-up interrupts from the interrupt request of the described power consumption parts of difference;
Generate the described steering order that the described host power supply of control is powered according to described wake-up interrupts, based on described steering order, described host power supply makes described power consumption parts in running order to described power consumption parts power supply.
8. computing machine according to claim 6 is characterized in that, described power supply control apparatus further comprises:
Judging unit is used for described status information and the threshold time that sets in advance are compared, and generates comparative result;
Interrupt processing unit, being used for receiving also, basis generates wake-up interrupts from the interrupt request of the described power consumption parts of difference.
9. a computer power supply control method is characterized in that, in the computing machine, power supply control apparatus and mainboard carry out communication, and the steering order of transmission arrives mainboard, is transmitted to controlled circuit by mainboard by communication interface; The built-in main control chip of host power supply, described main control chip be with communication interface, and between the communication interface of described mainboard, connect by two cables, sets up the control path between mainboard and the host power supply;
Method is applied to power supply control apparatus, comprising:
Obtain the status information of power consumption parts in the computing machine; Described power consumption parts are when described computing machine is in normal operating condition, and described status information has two states: duty and idle condition;
When described status information is idle condition, described the idle condition time that continues and the threshold time that sets in advance are compared, when the time that described idle condition continues is equal to or greater than the described threshold time that sets in advance, generate comparative result;
According to described comparative result, generate the steering order of main control system power cut-off, described control command arrives described host power supply by the communication interface that is positioned at mainboard, and described host power supply stops described power consumption parts power supply based on described steering order.
10. method according to claim 9 is characterized in that, described host power supply stops also to comprise after the described power consumption parts power supply:
According to the interrupt request from the described power consumption parts of difference, generate wake-up interrupts;
According to the steering order of described wake-up interrupts generation main control system Power supply, based on described steering order, described host power supply begins to make described power consumption parts be in described duty to described power consumption parts power supply.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102156529A (en) * | 2010-02-11 | 2011-08-17 | 仁宝电脑工业股份有限公司 | Power-saving method and power-saving device for hard disk |
| CN102221869A (en) * | 2010-04-15 | 2011-10-19 | 旭达电脑（昆山）有限公司 | Energy-saving type computer power |
| JP5134037B2 (en) * | 2010-04-27 | 2013-01-30 | レノボ・シンガポール・プライベート・リミテッド | Information device capable of reducing standby power and power control method |
| CN103135722B (en) * | 2011-11-23 | 2016-07-06 | 联想(北京)有限公司 | A kind of electronic equipment and the method that system mode in described electronic equipment is controlled |
| KR20130113203A (en) * | 2012-04-05 | 2013-10-15 | 삼성전자주식회사 | Electronic device and power managing method of the same |
| CN106033207A (en) * | 2015-03-16 | 2016-10-19 | 佛山市顺德区美的电热电器制造有限公司 | Self-checking method used for cooking utensil and self-checking system |
| US10372185B2 (en) * | 2015-07-28 | 2019-08-06 | Western Digital Technologies, Inc. | Enhanced power control of data storage arrays |
| CN111276081A (en) * | 2018-12-04 | 2020-06-12 | 山东快发网络科技有限公司 | Method and terminal for controlling mainboard |
| CN112147931B (en) * | 2020-09-22 | 2022-06-24 | 哲库科技(北京)有限公司 | Control method, device and equipment of signal processor and storage medium |
| CN114995621B (en) * | 2022-06-30 | 2023-07-14 | 苏州浪潮智能科技有限公司 | Method, system, equipment and medium for improving energy efficiency of server |
| CN115061561A (en) * | 2022-07-01 | 2022-09-16 | 深圳市创智成科技股份有限公司 | Power saving method, device and system for equipment and storage medium |
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| CN1766794A (en) * | 2004-10-25 | 2006-05-03 | 联想(北京)有限公司 | Computer and method for realizing low power consumption of household electric appliance |
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| CN1766794A (en) * | 2004-10-25 | 2006-05-03 | 联想(北京)有限公司 | Computer and method for realizing low power consumption of household electric appliance |
| CN101030094A (en) * | 2007-04-10 | 2007-09-05 | 北京中星微电子有限公司 | Power-supply controller and controlling method |
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