CN102200821B - Computer and power management method thereof - Google Patents
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Abstract
The invention provides a computer and a power management method thereof. The computer comprises a first power supply, a second power supply, a first power consumption module, a second power consumption module and a power supply control module, wherein the first power supply is used for outputting a first voltage; the second power supply is used for outputting a second voltage; and the power supply control module is respectively connected with the first power supply, the second power supply, the first power consumption module and the second power consumption module, and used for selecting one (which is lower in voltage) of the first power supply and the second power supply so as to supply power for the first power consumption module or the second power consumption module. According to the scheme of the invention, the power conversion efficiency of the computer is improved.
Description
Technical field
The present invention relates to computer power management, refer to especially a kind of method of computing machine and power management thereof.
Background technology
Existing computing machine, particularly notebook computer, have a plurality of Power supply equipment, and as adapter power supply and powered battery, wherein adapter is one of power supply of notebook computer, and battery is also one of power supply of notebook computer.The multiple power sources power supply mode of existing notebook computer, but in can only be at one time with a kind of Power supply wherein, as with the adapter power supply or use powered battery, when adapter and battery exist simultaneously, select adapter to power.And battery also may have a plurality ofly, during one of them powered battery, other battery is not powered.
The inventor, in realizing process of the present invention, finds that in prior art, at least there are the following problems:
The power supply plan of existing notebook computer, synchronization can only be used a kind of Power supply, when running into system overheat, usually can take CPU the mode such as frequency reducing to reduce power consumption, reduces temperature; When running into very the large program operation, power consumption is excessive, approaches or while exceeding adapter or battery power limits, also can take the frequency reducing mode to process to CPU, makes like this performance of system that very large loss is arranged, and to user's use, can put to no little inconvenience.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of computing machine and power management thereof, has improved the power supply conversion efficiency of computing machine.
For solving the problems of the technologies described above, the technical scheme that embodiments of the invention provide is as follows:
On the one hand, provide a kind of computing machine, comprising: the first power supply, for exporting the first voltage; Second source, for exporting second voltage; The first power consumption module; The second power consumption module; And
Energy supply control module, with described the first power supply, described second source, described the first power consumption module and described the second power consumption module, being connected respectively, is described the first power consumption module and/or the power supply of the second power consumption module for select the low power supply of voltage at described the first power supply and described second source.
Preferably, described energy supply control module comprises:
The first switch, be connected with described the first power supply, and with described the first power consumption module, with the second power consumption module, be connected respectively;
Second switch, be connected with described second source, and with described the first power consumption module, with described the second power consumption module, be connected respectively;
The first switch control module, for, connecting described the first switch and disconnect described second switch during lower than described second voltage at described the first voltage; Perhaps at described second voltage, during lower than described the first voltage, connect described second switch and disconnect described the first switch.
Preferably, described energy supply control module comprises:
The 3rd switch, be connected with described the first power supply, and be connected with described the second power consumption module;
The 4th switch, be connected in series with described the 3rd switch, and be connected with the first power consumption module;
The 5th switch, be connected with described second source, and be connected with described the first power consumption module;
The 6th switch, be connected in series with described the 5th switch, and be connected with described the second power consumption module;
Detection module, for detection of the power consumption of described the first power consumption module or the second power consumption module;
The second switch control module, for when described the first voltage is greater than the power consumption of described the first power consumption module lower than the power consumption of described second voltage and described the second power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, connect described the 3rd switch and the 5th switch, and disconnect described the 4th switch and the 6th switch.
Preferably, described detection module is specially:
Heat sensor, the heat produced during for detection of the operation of described the first power consumption module or the second power consumption module, and the heat produced during according to described the first power consumption module operation is estimated the power consumption of described the first power consumption module or the heat that produces during according to described the second power consumption module operation is estimated the power consumption of described the second power consumption module; Perhaps
The current sense unit, electric current during for detection of the operation of described the first power consumption module or the second power consumption module, and the power consumption of the power consumption of described the first power consumption module of current estimation during according to described the first power consumption module operation or described the second power consumption module of current estimation during according to described the second power consumption module operation.
Preferably, described the first power consumption module is specially: CPU or GPU; Described the second power consumption module is specially: input-output apparatus, PCI equipment or internal memory.
Embodiments of the invention also provide a kind of computing machine, comprising:
The first power supply, for exporting the first voltage;
Second source, for exporting second voltage;
The first power consumption module;
The second power consumption module; And
Energy supply control module, with described the first power supply, described second source, described the first power consumption module and described the second power consumption module, be connected respectively, for controlling described the first power supply, be described the first power consumption module power supply, described second source is described the second power consumption module power supply.
Preferably, described energy supply control module comprises:
The 3rd switch, be connected with described the first power supply, and be connected with described the second power consumption module;
The 4th switch, be connected in series with described the 3rd switch, and be connected with the first power consumption module;
The 5th switch, be connected with described second source, and be connected with described the first power consumption module;
The 6th switch, be connected in series with described the 5th switch, and be connected with described the second power consumption module;
Detection module, for detection of the power consumption of described the first power consumption module or the second power consumption module;
The second switch control module, for when described the first voltage is greater than the power consumption of described the first power consumption module lower than the power consumption of described second voltage and described the second power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, connect described the 3rd switch and the 5th switch, and disconnect described the 4th switch and the 6th switch.
Embodiments of the invention also provide a kind of method of computer electric power management, and described method is applied in a computing machine, and described computing machine has the first power supply, second source, the first power consumption module and the second power consumption module; The method comprises:
Obtain described the first power supply to the input voltage of power consumption module and described second source the input voltage to power consumption module;
Selecting the low power supply of voltage in described the first power supply and described second source is described the first power consumption module and/or the power supply of the second power consumption module.
Preferably, in described the first power supply and described second source, select the step that the low power supply of voltage is described the first power consumption module and/or the power supply of the second power consumption module to be specially:
At the first voltage of described the first power supply output during lower than the second voltage of described second source output, connect the first switch be connected with described the first power supply and be connected with described the second power consumption module with described the first power consumption module respectively, and disconnection is connected with described second source and the second switch that is connected with described the second power consumption module with described the first power consumption module respectively; Perhaps
, connect described second switch, and disconnect described the first switch during lower than described the first voltage at described second voltage.
Preferably, in described the first power supply and described second source, select the step that the low power supply of voltage is described the first power consumption module and/or the power supply of the second power consumption module to be specially:
When the second voltage of exporting lower than described second source at the first voltage of described the first power supply output and the power consumption of described the second power consumption module are greater than the power consumption of described the first power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, connect described the 3rd switch and the 5th switch, and disconnect described the 4th switch and the 6th switch;
Wherein, described the 3rd switch is connected with described the first power supply, and is connected with described the second power consumption module; Described the 4th switch is connected in series and is connected with described the first power consumption module with described the 3rd switch; Described the 5th switch is connected with described second source and is connected with described the first power consumption module; Described the 6th switch is connected in series and is connected with described the second power consumption module with described the 5th switch.
Embodiments of the invention also provide a kind of method of computer electric power management, and described method is applied in a computing machine, and described computing machine has the first power supply, second source, the first power consumption module and the second power consumption module; The method comprises:
Obtain the first voltage of described the first power supply output, the second voltage of described second source output;
At described the first voltage and described second voltage, meet when pre-conditioned, controlling described the first power supply is described the first power consumption module power supply, and described second source is described the second power consumption module power supply.
Preferably, said method also comprises:
Obtain the power consumption of described the first power consumption module and the power consumption of described the second power consumption module;
Describedly at described the first voltage and described second voltage, meet when pre-conditioned, controlling described the first power supply is described the first power consumption module power supply, and the step that described second source is described the second power consumption module power supply is specially:
At described the first voltage lower than described second voltage, and when the power consumption of described the second power consumption module is greater than the power consumption of described the first power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, controlling described the first power supply is described the first power consumption module power supply, and described second source is described the second power consumption module power supply.
Embodiments of the invention have following beneficial effect:
Such scheme, selecting the low power supply of voltage is the power consumption module power supply in system, relation according to the input voltage of power consumption module to the conversion efficiency of power supply, when the power consumption of power consumption module is large, can select the power supply low to the power consumption module input voltage for this power consumption module power supply, be conducive to reduce loss, improve the conversion efficiency of power supply, and no longer by the frequency reducing mode, subtract consumption, thereby avoided can't normally moving because frequency reducing makes program the inconvenience brought to the user.
The accompanying drawing explanation
The structural representation that Fig. 1 is the embodiments of the invention computing machine;
Fig. 2 is power supply in the computing machine shown in Fig. 1 and another annexation figure of power consumption module;
Fig. 3 is power supply in the computing machine shown in Fig. 1 and the another annexation figure of power consumption module;
Fig. 4 is the power supply conversion efficiency schematic diagram in computer power management method of the present invention;
Another example structure figure that Fig. 5 is computing machine of the present invention;
The specific implementation structural drawing that Fig. 6 is computing machine shown in Fig. 5.
Embodiment
For technical matters, technical scheme and advantage that embodiments of the invention will be solved is clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention are for there is no the computer power management for many power supplys in prior art, and can only use one of them power supply to be powered simultaneously, when the power consumption components of computing machine is overheated, the problem that can not effectively manage power supply, power supply mode between a kind of many power supplys that can adjust flexibly computing machine is provided, improves the computing machine of power supply conversion efficiency of computing machine and the method for power management thereof.
As shown in Figure 1, embodiments of the invention computing machine 10 comprises:
The first power supply 111, for exporting the first voltage; Second source 112, for exporting second voltage; The first power consumption module 131; The second power consumption module 132; And
Energy supply control module 12, with described the first power supply 111, described second source 112, described the first power consumption module 131 and described the second power consumption module 132, being connected respectively, is described the first power consumption module and/or the power supply of the second power consumption module for select the low power supply of voltage at described the first power supply and described second source.
In this embodiment, utilizing energy supply control module to select the low power supply of voltage in described the first power supply and described second source is described the first power consumption module and/or the power supply of the second power consumption module, when the power consumption of some power consumption module is large, can select the power supply that voltage is low is the large power consumption module power supply of this power consumption, be conducive to reduce loss, be all power consumption module power supplies by a fixed power source in prior art always, improved power supply conversion efficiency.
Wherein, the power supply conversion efficiency of computing machine and the relation between power consumption module are as follows shown in formula and Fig. 4: Psw=Won*fs=1/2*VIN*IPK*fs* (Qgs2+Qgd)/Ig; Wherein Psw refers to switching loss, and Won refers to the power consumption of switching tube in the time of conducting; Fs refers to switching frequency; VIN refers to input voltage; IPK refers to peak point current; Qgs2 refers to Qgs2; Qgs is gate/source charging charge amount; Qgd finger grid/drain charge quantity of electric charge; Ig refers to grid source drive current.
Formula and Fig. 5 can find out thus, input voltage V1 is when diminishing, the conversion efficiency of power supply increases, and the ratio increased is also very large, therefore, relation according to input voltage to the conversion efficiency of power supply, when the power consumption of power consumption module is large, can reduce and select the power supply low to the power consumption module input voltage for this power consumption module power supply, be conducive to reduce loss, improve the conversion efficiency of power supply, and no longer by the frequency reducing mode, subtract consumption, thereby avoided can't normally moving because frequency reducing makes program the inconvenience brought to the user.
As shown in Figure 2, on the basis of the described embodiment of above-mentioned Fig. 1, this first power consumption module 131 and the second power consumption module 132 power consumption when operation can be different, and described energy supply control module 12 can specifically comprise:
The first switch 121, be connected with described the first power supply 111, and with described the first power consumption module 131, with the second power consumption module 132, be connected respectively;
The first switch control module 123, for at the first voltage of described the first power supply 111 during lower than the second voltage of described second source 112, connect described the first switch 121, and disconnect described second switch 122, making the first power supply 111 that voltage is low is the first power consumption module 131 and the second power consumption module 132 power supplies; Power consumption regardless of this first power consumption module 131 and the second power consumption module 132, if the power consumption of the first power consumption module 131 is greater than the power consumption of the second power consumption module 132, the first power supply 111 that now electricity consumption is forced down is these the first power consumption module 131 power supplies, now, than be the power consumption module power supply with a fixing power supply always, conversion efficiency and utilization factor between power supply have been improved in prior art; If the power consumption of the first power consumption module 131 is less than the power consumption of the second power consumption module 132, to select the first power supply 111 that voltage is low to power for this second power consumption module 132 too, the utilization power supply low to the input voltage of power consumption module powered for power consumption module, improved switching efficiency and the utilization factor of power supply; Wherein, the output voltage that first voltage here is the first power supply, be also the input voltage to power consumption module, and the output voltage that second voltage is second source is also the input voltage to power consumption module.
Equally,, connect described second switch 122, and disconnect described the first switch 121 during lower than the first voltage of described the first power supply 111 at the second voltage of described second source 112; In this example, too, power consumption regardless of the first power consumption module 131 and the second power consumption module 132, all that the power supply that selection voltage is low is this first power consumption module 131 and the second power consumption module 132 power supplies, in prior art, utilize a power supply is all power consumption module power supplies always, has improved conversion efficiency and the utilization factor of power supply.
As shown in Figure 3, on above-mentioned basis embodiment illustrated in fig. 1, still take the first power consumption module 131 and the second power consumption module 132 to describe as example; Described energy supply control module 12 comprises:
The 3rd switch 124, be connected with described the first power supply 111, and be connected with the second power consumption module 132;
The 4th switch 125, be connected in series with described the 3rd switch 124, and be connected with the first power consumption module 131;
The 5th switch 126, be connected with described second source 112, and be connected with described the first power consumption module 131;
The 6th switch 127, be connected in series with described the 5th switch 126, and be connected with described the second power consumption module 132;
Detection module (not looking out in figure), for detection of the power consumption of described the first power consumption module 131 or the second power consumption module 132;
Second switch control module 128, for be greater than the power consumption of described the first power consumption module 131 lower than the power consumption of the second voltage of described second source 112 and described the second power consumption module 132 at the first voltage of described the first power supply 111, perhaps when the second voltage of described second source 112 is greater than the power consumption of described the second power consumption module 132 lower than the power consumption of the first voltage of described the first power supply 111 and described the first power consumption module 131, connect described the 3rd switch 124 and the 5th switch 126, and disconnect described the 4th switch 125 and the 6th switch 127; Thereby making the power supply low to the input voltage of power consumption module is that the power consumption module that power consumption is high is powered, and has reduced so widely the input voltage of power consumption module, has improved the conversion efficiency of power supply;
In this embodiment, when the 3rd switch 124 and the 5th switch 126 connections, when the 4th switch 125 and the 6th switch 127 disconnect, the first power supply 111 is the second power consumption module 132 power supplies, and second source 112 is the first power consumption module 131 power supplies simultaneously;
In this embodiment, also changeable type is: when the 3rd switch 124 and the 4th switch 125 connection, the first power supply is the first power consumption module 131 power supplies; Simultaneously, when the 5th switch 126 and the 6th switch 127 connection, second source is the second power consumption module 132 power supplies; Now, the 3rd switch 124 is when connecting with the 4th switch 125, the 3rd switch 124 does not just need to be connected with the second power consumption module 132, and the 5th switch 126 is when connecting with the 6th switch 127, and the 5th switch 126 does not just need to be connected with the first power consumption module 131;
In above-described embodiment, the first power supply, second source, the title of the first power consumption module and the second power consumption module is only used for convenience of description, and is not used in restriction actual power supply and power consumption module;
In addition, if the first voltage of the first power supply 111 is higher than the second voltage of second source 12, when the power consumption of the second power consumption module 132 is greater than the power consumption of the first power consumption module 131, also can connect the 3rd switch 124 and the 5th switch 126, disconnect the 4th switch 125 and the 6th switch 127 simultaneously, although now, the power consumption module that the first power supply 111 (power supply that voltage is high) is high power consumption (i.e. the second power consumption module) power supply, second source 112 (being the power supply that voltage is low) is the power consumption module of low-power consumption (i.e. the first power consumption module) power supply simultaneously; To the wherein power consumption module of a part of high power consumption due to the present embodiment is the Power supply by low-voltage, and by the power consumption module decentralized power supply, in prior art, with same, fixing power supply is the mode that all power consumption module are powered always, in the situation that the power consumption of power consumption module is larger, the scheme of the present embodiment has improved conversion efficiency and the utilization factor of power supply;
In addition, the embodiment shown in this Fig. 3, can certainly realize the function shown in Fig. 2:
As the voltage at the first power supply 111 during lower than the voltage of second source 112, connect the 3rd switch 124 and the 4th switch 125, disconnect the 5th switch 126 simultaneously, the 6th switch 127 can disconnect also and can not disconnect, making like this, too the first power supply 111 is the first power consumption module 131 and the second power consumption module 132 power supplies;
Equally, as the second voltage at second source 112 during lower than the first voltage of the first power supply 111, connect the 5th switch 126 and the 6th switch 127, disconnect the 3rd switch 124 simultaneously, the 4th switch 125 can disconnect also and can not disconnect, and so also making second source 112 is the first power consumption module 131 and the second power consumption module 132 power supplies;
Certainly, above-mentioned embodiment illustrated in fig. 3 in, can also between the 4th switch 125 and the first power consumption module 131, increase again some switches, also increase some switches between the 6th switch 127 and the second power consumption module 132, the logical relation of these switches, as the logical relation of the 3rd switch 124, the 4th switch 125, the 5th switch 126 and the 6th switch 127; These switches can unrestrictedly combine, but basic array mode embodiment as shown in Figure 3.
Wherein, the detection module in above-described embodiment is specially:
Heat sensor, the heat produced during for detection of described the first power consumption module 131 or the operation of the second power consumption module 132, and the heat produced during according to described the first power consumption module 131 operation is estimated the power consumption of described the first power consumption module 131 or the heat that produces during according to described the second power consumption module 132 operation is estimated the power consumption of described the second power consumption module 132; Perhaps
The current sense unit, electric current during for detection of described the first power consumption module 131 or the operation of the second power consumption module 132, and the power consumption of the power consumption of described the first power consumption module 131 of current estimation during according to described the first power consumption module 131 operation or described the second power consumption module of current estimation during according to described the second power consumption module 132 operation.
During specific implementation, these heat sensors and electric power detecting device should be separately positioned near the first power consumption module 131 and near the second power consumption module 132.
In addition, in another embodiment of the present invention, described energy supply control module can also be specifically realized by the functional module of software and so on, and this energy supply control module comprises:
First controls submodule, and at described the first voltage during lower than described second voltage, and the power consumption of described the first power consumption module is while being greater than described the second power consumption module, and controlling described the first power supply is described the first power consumption module power supply;
Second controls submodule, and while at described the first control submodule, controlling described the first power supply, being described the first power consumption module power supply, controlling described second source is described the second power consumption module power supply.Can reach too the power consumption module in system respectively by different Power supplies, reach decentralized power supply, improve the purpose of power utilization rate.
Preferably, in above-mentioned Fig. 2-embodiment illustrated in fig. 3, described the first power consumption module 131 is specially: CPU (central processing unit) and/or GPU (Graphic Processing Unit, graphic process unit); Described the second power consumption module 132 is specially: input-output apparatus, PCI equipment and/or internal memory; Power consumption module shown in certain above-mentioned Fig. 2 in implementation column can be also any of the computer hardware equipments such as CPU, GPU input-output apparatus, PCI equipment and internal memory.
In addition, in above-described embodiment, this first power supply 111 can be the battery of notebook computer, and second source 112 can be the adapter of notebook computer; Certainly, this first power supply 111 can be also the adapter of notebook computer, and second source 112 can be also the battery of notebook computer; When battery and adapter exist simultaneously, just control and power with adapter; When having closed adapter, also can control battery-powered separately;
Certainly this first power supply 111 and this second source 112 can be all the battery of notebook computer, and now, the first voltage of the first power supply 111 and the second voltage of second source 112 just need to be detected with an independent test cell; And the above embodiment of the present invention selects scheme that power supply that voltage is low is the power consumption module power supply also to be applicable to the situation that the first power supply 111 and second source 112 are battery, and the power supply of computing machine is multi-cell electric power.
Below take the first power consumption module 131 as CPU and GPU, and the computer hardware equipment that the second power consumption module 132 is other is example, and the first power supply 111 and second source 112 are battery; The input voltage of adapter is usually above battery; In conjunction with the embodiment shown in above-mentioned Fig. 3, of the present invention one concrete Application Example is described:
The second voltage of second source 112 is lower than the first voltage of the first power supply 111;
The power consumption of the first power consumption module 131 is greater than the power consumption of the second power consumption module 132, and is arranged near heat sensor CPU or CPU to system feedback, the power consumption of system excessive (as the temperature overheating of CPU);
Second switch control module 128 is connected the 3rd switch 124 and the 5th switch 126, disconnects the 4th switch 125 and the 6th switch 127 simultaneously, and making second source 112 is the first power consumption module 131 power supplies, and the first power supply 111 is the second power consumption module 132 power supplies;
Certainly, the second voltage of second source 112 also has the situation higher than the first voltage of the first power supply 111, in these situations, that the 3rd switch 124 and the 5th switch 126 are connected too, disconnect the 4th switch 125 and the 6th switch 127 simultaneously, making second source 112 is the first power consumption module 131 power supplies, and the first power supply 111 is the second power consumption module 132 power supplies;
Also having the first power supply 111 or the second source 112 that independent electricity consumption is forced down is separately the situation of all power consumption module power supplies; These situations are all existing for prior art, utilized the power consumption module power supply that power supply that voltage is low is high power consumption, or by all power consumption module separately, respectively by the Power supply of different voltages, all improved the conversion efficiency of power supply.
That is to say, place heat sensor near CPU/GPU etc., measure the temperature of CPU/GPU, feed back to system, system is monitoring in overheated or the great situation of power consumption, can pass through the described scheme of the above embodiments, cut off the adapter power supply and change battery-powered, like this in the situation that the overheated input voltage reduced power consumption module of system power dissipation, make the power supply conversion efficiency of system obtain large increase, thereby reduced shedding of heat, both solved and also solved the inconvenience that adjustment such as because the adapter power consumption is too high, system being done frequency reducing brings the user because of the overheated system problem caused.
Fig. 4 is the conversion efficiency curve of system power supply under different voltage, can find out easily, when the system input voltage reduces, very large on the impact of system power supply conversion efficiency, can make conversion efficiency promote the 5%-8% left and right, even more.And the loss on the system power supply conversion efficiency is almost to disseminate with hot form, the described scheme of the above embodiment of the present invention, can reduce temperature in system effectively, the user used more comfortable.
When system does not have Payload attach fitting and only uses powered battery, when if system is double cell or more power supplys, can do optimization to the system power supply design, dual battery system runs into power consumption when too high when system, just cut off first certainly battery the power supply of CPU and GPU is changed by second powered battery simultaneously, perhaps by first battery, CPU and GPU are powered, change by second battery other power consumption module power supply of system simultaneously.Two batteries are given system power supply simultaneously, with regard to having solved, can not meet the problem that the system optimal performance is used because the power of battery is little.And the height of these two cell voltages is monitored by system end, and distribute the lower battery of voltage that the power supply of the part power consumption module that power consumption is large is provided, can effectively improve power-efficient like this, reduce loss, reduce system temperature.The solution of the present invention can be applicable to a plurality of batteries or electric supply system; And the solution of the present invention provides power supply mode flexibly, at least can make power supply conversion efficiency improve 5-8%, aspect design cost, adopt switch to realize, almost do not increase cost.And system stability and secure context are also to guarantee, devoid of risk.
As shown in Figure 5, embodiments of the invention also provide a kind of computing machine, comprising:
The first power supply 111, for exporting the first voltage; Second source 112, for exporting second voltage; The first power consumption module 131; The second power consumption module 132; And
Energy supply control module, with described the first power supply 111, described second source 112, described the first power consumption module 131 and described the second power consumption module 132, be connected respectively, for controlling described the first power supply, be described the first power consumption module power supply, described second source is described the second power consumption module power supply.Wherein, the output voltage that first voltage here is the first power supply, be also the input voltage to power consumption module, and the output voltage that second voltage is second source is also to the input voltage to power consumption module.
This embodiment too, utilizing energy supply control module to control the first power supply is the first power consumption module power supply, second source is the second power consumption module power supply, in prior art, by a fixed power source, is all power consumption module power supplies always, has improved the power utilization rate.
Concrete, as shown in Figure 6, described energy supply control module comprises:
The 3rd switch, be connected with described the first power supply, and be connected with described the second power consumption module;
The 4th switch, be connected in series with described the 3rd switch, and be connected with the first power consumption module;
The 5th switch, be connected with described second source, and be connected with described the first power consumption module;
The 6th switch, be connected in series with described the 5th switch, and be connected with described the second power consumption module;
Detection module, for detection of the power consumption of described the first power consumption module or the second power consumption module;
The second switch control module, for when described the first voltage is greater than the power consumption of described the first power consumption module lower than the power consumption of described second voltage and described the second power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, connect described the 3rd switch and the 5th switch, and disconnect described the 4th switch and the 6th switch.
During specific implementation, can select the power supply that voltage is low is high power consumption module power supply, in prior art, with same, fixing power supply is the mode that all power consumption module are powered always too, in the situation that the power consumption of power consumption module is larger, has improved conversion efficiency and the utilization factor of power supply.
Embodiments of the invention also provide a kind of method of computer electric power management, and described method is applied in a computing machine, and described computing machine has the first power supply, second source, the first power consumption module and the second power consumption module; The method comprises:
Obtain described the first power supply to the input voltage of power consumption module and described second source the input voltage to power consumption module;
Selecting the low power supply of voltage in described the first power supply and described second source is described the first power consumption module and/or the power supply of the second power consumption module.
Concrete, as, at the first voltage of described the first power supply output, during lower than the second voltage of described second source output, by described the first power supply, be described the first power consumption module and/or described the second power consumption module power supply; Described second voltage during lower than described the first voltage, is described the first power consumption module and/or described the second power consumption module power supply by described second source.
Wherein, in conjunction with the Fig. 2 in the embodiment of above-mentioned computing machine, in described the first power supply and described second source, select the step that the low power supply of voltage is described the first power consumption module and/or the power supply of the second power consumption module to be specially:
At the first voltage of described the first power supply output during lower than the second voltage of described second source output, connect the first switch be connected with described the first power supply and be connected with described the second power consumption module with described the first power consumption module respectively, and disconnection is connected with described second source and the second switch that is connected with described the second power consumption module with described the first power consumption module respectively; Perhaps
, connect described second switch, and disconnect described the first switch during lower than described the first voltage at described second voltage.
In conjunction with the embodiment shown in above-mentioned Fig. 3, in described the first power supply and described second source, select the step that the low power supply of voltage is described the first power consumption module and/or the power supply of the second power consumption module to be specially again:
When the second voltage of exporting lower than described second source at the first voltage of described the first power supply output and the power consumption of described the second power consumption module are greater than the power consumption of described the first power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, connect described the 3rd switch and the 5th switch, and disconnect described the 4th switch and the 6th switch;
Wherein, described the 3rd switch is connected with described the first power supply, and is connected with described the second power consumption module; Described the 4th switch is connected in series and is connected with described the first power consumption module with described the 3rd switch; Described the 5th switch is connected with described second source and is connected with described the first power consumption module; Described the 6th switch is connected in series and is connected with described the second power consumption module with described the 5th switch.
Said method can also be realized by software function module: as described in the first voltage lower than as described in during second voltage, and the power consumption of described the first power consumption module is while being greater than described the second power consumption module, controlling described the first power supply is described the first power consumption module power supply;
When described the first power supply is described the first power consumption module power supply, controlling described second source is described the second power consumption module power supply.
The relation of the same conversion efficiency according to the input voltage to power consumption module and power supply of the method embodiment, when the power consumption of power consumption module is large, can select the power supply that voltage is low is this high power consumption module power supply, be conducive to reduce loss, improve the conversion efficiency of power supply, and no longer by the frequency reducing mode, subtract consumption, thereby avoided can't normally moving because frequency reducing makes program the inconvenience brought to the user.
In addition, embodiments of the invention also provide a kind of method of computer electric power management, and described method is applied in a computing machine, and described computing machine has the first power supply, second source, the first power consumption module and the second power consumption module; The method comprises:
Obtain the first voltage of described the first power supply output, the second voltage of described second source output;
At described the first voltage and described second voltage, meet when pre-conditioned, controlling described the first power supply is described the first power consumption module power supply, and described second source is described the second power consumption module power supply.
During specific implementation, the method also comprises:
Obtain the power consumption of described the first power consumption module and the power consumption of described the second power consumption module;
In conjunction with above-mentioned Fig. 6, describedly at described the first voltage and described second voltage, meet when pre-conditioned, controlling described the first power supply is described the first power consumption module power supply, the step that described second source is described the second power consumption module power supply is specially:
At described the first voltage lower than described second voltage, and when the power consumption of described the second power consumption module is greater than the power consumption of described the first power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, controlling described the first power supply is described the first power consumption module power supply, and described second source is described the second power consumption module power supply.
The method embodiment of the present invention is the different power consumption module for power supply by a plurality of power supplys equally simultaneously, further, can select the power supply that voltage is low is high power consumption module power supply, in prior art, with same, fixing power supply is the mode that all power consumption module are powered always too, in the situation that the power consumption of power consumption module is larger, improved conversion efficiency and the utilization factor of power supply.
It should be noted that: in above-mentioned all embodiment, the power supply in computing machine can have a plurality of, and the first power supply and second source are respectively any one in the plurality of power supply; Power consumption module also can be for a plurality of, and the first power consumption module and the second power consumption module also are respectively any one in a plurality of power consumption module.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a computing machine, is characterized in that, comprising: the first power supply, for exporting the first voltage; Second source, for exporting second voltage; The first power consumption module; The second power consumption module; And
Energy supply control module, with described the first power supply, described second source, described the first power consumption module and described the second power consumption module, being connected respectively, is described the first power consumption module and/or the power supply of the second power consumption module for select the low power supply of voltage at described the first power supply and described second source;
Described energy supply control module comprises:
The 3rd switch, be connected with described the first power supply, and be connected with described the second power consumption module;
The 4th switch, be connected in series with described the 3rd switch, and be connected with the first power consumption module;
The 5th switch, be connected with described second source, and be connected with described the first power consumption module;
The 6th switch, be connected in series with described the 5th switch, and be connected with described the second power consumption module;
Detection module, for detection of the power consumption of described the first power consumption module or the second power consumption module;
The second switch control module, for when described the first voltage is greater than the power consumption of described the first power consumption module lower than the power consumption of described second voltage and described the second power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, connect described the 3rd switch and the 5th switch, and disconnect described the 4th switch and the 6th switch.
2. computing machine according to claim 1, is characterized in that, described detection module is specially:
Heat sensor, the heat produced during for detection of the operation of described the first power consumption module or the second power consumption module, and the heat produced during according to described the first power consumption module operation is estimated the power consumption of described the first power consumption module or the heat that produces during according to described the second power consumption module operation is estimated the power consumption of described the second power consumption module; Perhaps
The current sense unit, electric current during for detection of the operation of described the first power consumption module or the second power consumption module, and the power consumption of the power consumption of described the first power consumption module of current estimation during according to described the first power consumption module operation or described the second power consumption module of current estimation during according to described the second power consumption module operation.
3. computing machine according to claim 1 and 2, is characterized in that, described the first power consumption module is specially: CPU or GPU; Described the second power consumption module is specially: input-output apparatus, PCI equipment or internal memory.
4. a computing machine, is characterized in that, comprising:
The first power supply, for exporting the first voltage;
Second source, for exporting second voltage;
The first power consumption module;
The second power consumption module; And
Energy supply control module, with described the first power supply, described second source, described the first power consumption module and described the second power consumption module, be connected respectively, for controlling described the first power supply, be described the first power consumption module power supply, described second source is described the second power consumption module power supply; Described energy supply control module comprises:
The 3rd switch, be connected with described the first power supply, and be connected with described the second power consumption module;
The 4th switch, be connected in series with described the 3rd switch, and be connected with the first power consumption module;
The 5th switch, be connected with described second source, and be connected with described the first power consumption module;
The 6th switch, be connected in series with described the 5th switch, and be connected with described the second power consumption module;
Detection module, for detection of the power consumption of described the first power consumption module or the second power consumption module;
The second switch control module, for when described the first voltage is greater than the power consumption of described the first power consumption module lower than the power consumption of described second voltage and described the second power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, connect described the 3rd switch and the 5th switch, and disconnect described the 4th switch and the 6th switch.
5. the method for a computer electric power management, described method is applied in a computing machine, and described computing machine has the first power supply, second source, the first power consumption module and the second power consumption module; It is characterized in that, the method comprises:
Obtain described the first power supply to the input voltage of power consumption module and described second source the input voltage to power consumption module;
Selecting the low power supply of voltage in described the first power supply and described second source is described the first power consumption module and/or the power supply of the second power consumption module;
Wherein, in described the first power supply and described second source, select the step that the low power supply of voltage is described the first power consumption module and/or the power supply of the second power consumption module to be specially:
When the first voltage of described the first power supply output is greater than the power consumption of described the first power consumption module lower than the power consumption of the second voltage of the output of described second source and described the second power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, connect the 3rd switch and the 5th switch, and disconnect the 4th switch and the 6th switch;
Wherein, described the 3rd switch is connected with described the first power supply, and is connected with described the second power consumption module; Described the 4th switch is connected in series and is connected with described the first power consumption module with described the 3rd switch; Described the 5th switch is connected with described second source and is connected with described the first power consumption module; Described the 6th switch is connected in series and is connected with described the second power consumption module with described the 5th switch.
6. the method for a computer electric power management, described method is applied in a computing machine, and described computing machine has the first power supply, second source, the first power consumption module and the second power consumption module; It is characterized in that, the method comprises:
Obtain the first voltage of described the first power supply output, the second voltage of described second source output;
At described the first voltage and described second voltage, meet when pre-conditioned, controlling described the first power supply is described the first power consumption module power supply, and described second source is described the second power consumption module power supply;
Obtain the power consumption of described the first power consumption module and the power consumption of described the second power consumption module;
Describedly at described the first voltage and described second voltage, meet when pre-conditioned, controlling described the first power supply is described the first power consumption module power supply, and the step that described second source is described the second power consumption module power supply is specially:
At described the first voltage lower than described second voltage, and when the power consumption of described the second power consumption module is greater than the power consumption of described the first power consumption module, perhaps when described second voltage is greater than the power consumption of described the second power consumption module lower than the power consumption of described the first voltage and described the first power consumption module, connect the 3rd switch and the 5th switch, and disconnect the 4th switch and the 6th switch;
Wherein, described the 3rd switch is connected with described the first power supply, and is connected with described the second power consumption module; Described the 4th switch is connected in series and is connected with described the first power consumption module with described the 3rd switch; Described the 5th switch is connected with described second source and is connected with described the first power consumption module; Described the 6th switch is connected in series and is connected with described the second power consumption module with described the 5th switch.
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| CN103124085B (en) * | 2011-11-18 | 2015-12-09 | 联想(北京)有限公司 | A kind of power supply system of selection and circuit, electronic equipment |
| EP3123272A4 (en) * | 2014-03-28 | 2017-12-13 | Schneider Electric IT Corporation | Systems and methods for monitoring a configuration of ups groups with different redundancy levels |
| CN105183122A (en) * | 2015-08-18 | 2015-12-23 | 陈丹 | Desktop computer |
| WO2017096520A1 (en) * | 2015-12-08 | 2017-06-15 | Qualcomm Incorporated | Hierarchical power domain organization |
| CN106484050B (en) * | 2016-10-09 | 2019-07-16 | 深圳微步信息股份有限公司 | Computer cabinet, main frame and computer |
| CN109491486B (en) * | 2018-10-24 | 2022-05-17 | 合肥联宝信息技术有限公司 | Power supply method and power supply circuit for switching output power and electronic equipment |
| CN113013863A (en) * | 2021-02-19 | 2021-06-22 | 联想(北京)有限公司 | Power supply circuit and device |
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