CN101430593A - Electric power supply system and method - Google Patents
Electric power supply system and method Download PDFInfo
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- CN101430593A CN101430593A CNA2007101699206A CN200710169920A CN101430593A CN 101430593 A CN101430593 A CN 101430593A CN A2007101699206 A CNA2007101699206 A CN A2007101699206A CN 200710169920 A CN200710169920 A CN 200710169920A CN 101430593 A CN101430593 A CN 101430593A
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Abstract
The invention provides a power supplying system and a method thereof which are applied to a portable electronic device that is provided with a running system and a power management unit. The power management unit can start or close a first switch unit and a second switch unit, sets a preset power consumption value and is used for connecting a second power supplying unit connected with the second switch unit in series and a first power supplying unit connected with the first switch unit in series in parallel. When the consumption power of the running system is detected to be larger than the preset power consumption value, the power management unit starts the first switch unit and the second switch unit to start power supplying accesses of the first power supplying unit and the second power supplying unit to the running system. Therefore, the first power supplying unit and the second power supplying unit which are connected in parallel can supply power to the running system at the same output voltage value to satisfy the power consumption requirement of the current running system.
Description
Technical field
Invention relates to a kind of electric power system and method, more specifically, relates to electric power system and method that a kind of consumed power according to operation system in the portable electronic devices is adjusted power supply mode.
Background technology
High speed development along with electronics technology, the function of existing electronic product is become stronger day by day, with the portable electronic devices such as notebook computer is example, various accessory for example central processing unit (CPU), storer etc. has all had jumbo lifting on performance, and be representative with the double-core processor of quite popularizing at present especially, it is with brand-new CPU framework, and powerful handling property dominates the market rapidly.
Simultaneously, in response to the performance boost of aforementioned accessory, required power consumption is also big more, and with the electric power system of notebook computer, common notebook computer is generally powered by power supply adaptor (PowerAdaptor) or battery (battery).This power supply adaptor system is in order to receiving civil power, external power supply (for example 220v) is converted to be fit to the voltage that notebook computer can use and exported, and the voltage swing of this power supply adaptor output can be adjusted in a restricted portion.Under open state, this power supply adaptor system powers to the operation system of notebook computer, also this battery is charged simultaneously, and when pulling out this power supply adaptor, then transfers to this battery to the operation of powering of this operation system.
This shows, the power supply operation of existing notebook computer only limit to power supply adaptor when charging the battery also to this system power, power supply adaptor is powered separately and battery several power supply states of power supply separately.
Yet; when the portable electronic devices function such as notebook computer is become stronger day by day, increase day by day in required power consumption thereupon, only can rely on described single power supply mode when the same time; the general power that can power is limited, so regular meeting has the situation that causes system to work as machine owing to electricity shortage to occur.
And when system power dissipation promotes, this power supply adaptor also will promote output power thereupon, therefore, its temperature also increases thereupon, because heat radiation is primary Consideration for notebook computer, if system temperature increases, promptly can influence normal running, also cause for example when adverse consequencess such as machines; In addition, when system load is heavier, more need avoid touching the limits value of power supply output protection.Be with, must select preferable power supply adaptor for use, and cost is increased.
Simultaneously, aforementioned because of the lifting output power makes the system temperature increase for solving, common solution system takes the system of notebook computer is carried out down conversion process to reduce power consumption, for example CPU or display card is carried out the frequency reducing action.So, thus, will reduce the serviceability of those accessories greatly, limited the original powerful processing power of this system on the contrary.
Therefore, how to provide a kind of electric power system that is applied to such portable electronic devices, avoid above-mentioned all drawbacks, become the present technical issues that need to address in fact with this.
Summary of the invention
In view of the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of electric power system and method, can promote output power to satisfy the requirement of system.
Another object of the present invention is to provide a kind of electric power system and method, escapable cost.
For reaching above-mentioned and other purpose, the present invention system provides a kind of electric power system and method.Electric power system of the present invention is to be applied to portable electronic devices, this portable electronic devices cording has operation system and Power Management Unit, first and second switch element can be opened or close to this Power Management Unit, this electric power system system comprises: first power supply unit, system electrically connects with this Power Management Unit, in order to receive civil power and by opening this first switch element to open this first power supply unit to the operation of powering of this operation system; Second power supply unit, system electrically connects and is connected in series this second switch unit with this Power Management Unit, and this second power supply unit system is connected in parallel with this first power supply unit, in order to provide battery supply and by opening this second switch unit to open this second power supply unit to the operation of powering of this operation system; The power consumption detecting module is to be electrically connected at this operation system and Power Management Unit, presets the power consumption number person in order to the consumed power of detecting this operation system greater than one, then exports a detecting voltage signal to this Power Management Unit; The detecting voltage module is electrically connected at this second power supply unit and this Power Management Unit, in order to detecting the output voltage values of this second power supply unit, and is sent to this Power Management Unit; And voltage regulator module, be electrically connected at this first power supply unit, this detecting voltage module, reach this Power Management Unit, in order to receive this detecting voltage signal according to this Power Management Unit, the output voltage values of this first power supply unit is adjusted into the output voltage values of this second power supply unit, thereby when this Power Management Unit is opened this first and second switch element according to this detecting voltage signal, make this first and second power supply unit of being connected in parallel with identical output voltage values to the operation of powering of this operation system.
Method of supplying power to of the present invention is applied to have operation system, Power Management Unit, can open or close first and second switch element that is connected in series this first and second power supply unit respectively to power this Power Management Unit of portable electronic devices of first and second power supply unit of operation of this operation system, this method is to comprise: set a default power consumption number, and this second power supply unit and this first power supply unit are connected in parallel; Whether the consumed power of detecting this operation system greater than this default power consumption number, during greater than this default power consumption number, detects the output voltage values of this second power supply unit in the consumed power of this operation system; The output voltage values of this first power supply unit is adjusted into the output voltage values of this second power supply unit of detecting; And this Power Management Unit is opened this first and second switch element, to open the supply access of this first and second power supply unit to this operation system, make this first and second power supply unit of being connected in parallel with identical output voltage values to the operation of powering of this operation system, to satisfy the power consumption demand of current this operation system.
In the aforesaid method of supplying power to, when only this operation system being powered, comprise the output voltage values that improves this first power supply unit, to this second power supply unit charging by this first power supply unit.In an embodiment, also can be included in the consumed power that detects this operation system when equalling zero, check the power supply capacity of this second power supply unit; Wherein, when the consumed power of this operation system equals zero, also can select to adjust the output voltage values of this first power supply unit, to this second power supply unit charging.
Than prior art, electric power system of the present invention and method are equipped on the electric power system of original portable electronic devices, main power consumption by the detecting load, and the output voltage of adjusting two power supplies when this power consumption is excessive is unanimity, the excessive power consumption of this load is satisfied in operation so that this two power supply is powered simultaneously, negative meanses such as for example frequency reducing used in the prior art have been avoided, and can not produce heat because of single power supply output power wherein is excessive and increase problems such as excessive, avoid appearance when bad situations such as machines, and can reduce the requirement of selecting for use for power supply adaptor, save cost relatively.
In addition, electric power system of the present invention and method are the electric power system that is equipped on original portable electronic devices, can considerable influence not arranged to original electric power system, and it is convenient to use, and realizes simple and easy, with low cost.
Description of drawings
Fig. 1 is the basic framework block schematic diagram of electric power system of the present invention; And
Fig. 2 is the schematic flow sheet of method of supplying power to of the present invention.
The main element symbol description
1 portable electronic devices
10 operation systems
11 first power supply units
110 first switch elements
12 second power supply units
120 second switch unit
13 Power Management Unit
2 electric power systems
20 power consumption detecting modules
21 detecting voltage modules
22 voltage regulator modules
R1, R2 resistance
S1～S6 step
Embodiment
Below be that the personage who is familiar with this skill can understand other advantages of the present invention and effect easily by the disclosed content of this instructions by specific instantiation explanation embodiments of the present invention.
Please refer to Fig. 1, it is the application synoptic diagram of electric power system 2 of the present invention.Electric power system 2 of the present invention is applied to portable electronic devices 1, this portable electronic devices 1 has operation system 10 and Power Management Unit 13, in present embodiment, this portable electronic devices 1 can be notebook computer etc., and this operation system 10 is for example to be the motherboard of this notebook computer, also promptly, this operation system 10 is the load of power consumption, and first switch element 110 and second switch unit 120 can be opened or close to 13 of this Power Management Unit.Electric power system 2 of the present invention comprises first power supply unit 11, first power supply unit 12, power consumption detecting module 20, detecting voltage module 21 and voltage regulator module 22.
This first power supply unit 11 is for example power supply adaptor (Power Adaptor), and itself and this Power Management Unit 13 electrically connects, in order to receive civil power with operation that this operation system 1 is powered.In present embodiment, this first power supply unit 11 these first switch elements 110 of serial connection, this Power Management Unit 13 is by opening (ON) or closing (OFF) this first switch element 110 with unlatching (ON) or close the operation of powering of 11 pairs of these operation systems 10 of (OFF) this first power supply unit; This second power supply unit 12 is for example battery, and itself and this Power Management Unit 13 electrically connects, in order to provide battery supply with operation that this operation system 10 is powered.In present embodiment, this second power supply unit 12 serial connection second switch unit 120, this Power Management Unit 13 is by opening or close this second switch unit 120 to open or to close the operation of powering of 12 pairs of these operation systems 10 of this second power supply unit.
What this must propose explanation be, the power supply function that this first power supply unit 11 and second power supply unit 12 are provided is similar with the interior Power Management Unit 13 that is disposed of general notebook computer, for example, under the notebook computer off-mode, this notebook computer receives when having the civil power that this first power supply unit 11 transmitted and the battery electric quantity that detects second power supply unit 12 not enough, the voltage that this first power supply unit 11 of meeting adjustment is exported (also is, transfer alternating current to direct current and be adjusted into the voltage that can supply this notebook computer running) so that this second power supply unit 12 is charged, till these second power supply unit, 12 electric weight reach ratings; And this Power Management Unit 13 to detect notebook computer be that open state and this notebook computer receive when the civil power that this first power supply unit 11 transmitted is arranged, if the battery electric quantity of second power supply unit 12 is still during the no show ratings, this Power Management Unit 13 these first power supply units 11 of control are except that providing required power supply to notebook computer, controlling 11 pairs second power supply units 12 of this first power supply unit simultaneously charges, and detect this notebook computer when not receiving the civil power that this first power supply unit 11 transmitted in this Power Management Unit 13, this Power Management Unit 13 will be with the battery electric quantity of this second power supply unit 12 to the notebook computer operation of powering.In brief, electric power system of the present invention is with general notebook computer difference in power supply control, electric power system 2 of the present invention is adjusted the power supply mode of first power supply unit 11 and second power supply unit 12 according to the power consumption state of this operation system 10, and detailed description will be in following explanation.
This power consumption detecting module 20 is electrically connected at this operation system 10 and this Power Management Unit 13, in order to the consumed power of detecting this operation system 10 whether greater than a default power consumption number, if then export a detecting voltage signal.In present embodiment, this default power consumption number sets according to the power supply capacity of this first power supply unit 11 and second power supply unit 12, for example this default power consumption number can be set at the output power maximal value of this first power supply unit 11 (being power supply adaptor) or this second power supply unit 12 (being battery) etc.
This detecting voltage module 21 of present embodiment be electrically connected at this second power supply unit 12 in order to transmit power supply to this operation system 10 with on the circuit of powering and Power Management Unit 13, in order to this circuit is detected the output voltage values of this second power supply unit 12, and be sent to this Power Management Unit 13.On implementing, this detecting voltage module 21 also can be electrically connected at this first power supply unit 11 in order to transmit power supply to this operation system 10 with on the circuit of powering, the detecting mode of this output voltage values in advance prior to this first power supply unit 11 and second power supply unit 12 in order to transmit power supply to this operation system 10 with serial connection one resistance on the circuit of powering, resistance as shown in Figure 1 (R1 and R2), by the electric current of this resistance of flowing through (R1 and R2) and the calculating of this resistance (R1 and R2) resistance, can obtain the output voltage values of this first power supply unit 11 and second power supply unit 12.
This voltage regulator module 22 is electrically connected at this first power supply unit 11, detecting voltage module 21, and Power Management Unit 13, this Power Management Unit 13 is when receiving the detecting voltage signal that this power consumption detecting module 20 exported, this Power Management Unit 13 these voltage regulator modules 22 of control are adjusted into the output voltage values of this first power supply unit 11 output voltage values of second power supply unit 12 that this detecting voltage module 21 detected, and this Power Management Unit 13 is opened (ON) this first switch element 110 and second switch unit 120 according to this detecting voltage signal, so that first power supply unit 11 that is connected in parallel and second power supply unit 12 with identical output voltage values to operation system 10 operation of powering, to satisfy the power consumption demand of current this operation system 10.By this power supply mode, will make whole electric power system can double the power consumption demand that power satisfies this operation system 10, thus must not adopt the frequency reducing mode, thus guarantee the running of system high efficiency rate.
Because this first power supply unit 11 is in parallel with this second power supply unit 12, if both output voltage difference then can form noble potential to the electric current of electronegative potential and flow and can't make this both power to this operation system 10 simultaneously, therefore, in present embodiment, output voltage by these voltage regulator module 22 these second power supply units 12 of detecting, be adjusted to the voltage identical with output voltage with this second power supply unit 12 with this first power supply unit 11, and open this first switch element 110 and this second switch unit 120 simultaneously, to connect the supply access of this first power supply unit 11 and 12 pairs of operation systems 10 of second power supply unit, be able to this operation system 10 operation of powering.
What must illustrate is, when the consumed power that this power consumption detecting module 20 also is used to detect this operation system 10 is lower than this default power consumption number, this Power Management Unit 13 is closed (OFF) this second switch unit 120, cutting off the supply access of 12 pairs of operation systems 10 of this second power supply unit, and only power by 11 pairs of these operation systems 10 of this first power supply unit.
In addition, the present invention also can be in this first power supply unit 11 (being power supply adaptor) to this second power supply unit 12 (being battery) when charging, by the voltage of detecting this second power supply unit 12 output voltage of this first power supply unit 11 is adjusted to coupling and gets final product, can omit the required potential device of existing power supply supply fully.
See also Fig. 2, be the process flow diagram of method of supplying power to of the present invention.As shown in the figure, method of supplying power to of the present invention is applied to portable electronic devices 1, wherein, this portable electronic devices 1 has operation system 10, Power Management Unit 13, in order to receive civil power with first power supply unit 11 of operation that this operation system is powered and in order to second power supply unit 12 of battery supply with operation that this operation system is powered to be provided, this first power supply unit, 11 serial connections, first switch element 110, this Power Management Unit 13 is by opening or close this first switch element 110 to open or to close the operation of powering of 11 pairs of these operation systems 10 of this first power supply unit, these second power supply unit, 12 serial connection second switch unit 120, this Power Management Unit 13 is by opening or close this second switch unit 120 to open or to close the operation of powering of 120 pairs of these operation systems 10 of this second power supply unit, wherein, this first power supply unit 11 can be adjusted the size of output voltage values in a limited range, this method comprises:
In step S1, set the default power consumption number of power consumption (power consumption) of the operation system 10 of this portable electronic devices 1, and second power supply unit 12 that will be serially connected with this second switch unit 120 is connected in parallel with first power supply unit 11 that is serially connected with this first switch element 110.In present embodiment, this default power consumption number sets according to the power supply capacity of this first power supply unit 11 and second power supply unit 12.Then carry out step S2.
In step S2, whether the consumed power of detecting this operation system 10 is greater than this default power consumption number, if then carry out step S4; If not, then carry out step S3.
In step S3, because the consumed power of this operation system 10 is less than this default power consumption number, so only need to power by 11 pairs of these operation systems 10 of this first power supply unit.Then return step S4.
In step S4, when the consumed power of being detected during, detect the output voltage values of this second power supply unit 12 greater than this default power consumption number, then return step S5.
In step S5, the output voltage values of this first power supply unit 11 is adjusted into the output voltage values of this second power supply unit of detecting 12.Then carry out step S6.
In step S6, this Power Management Unit 13 is opened (ON) this first switch element 110 and second switch unit 120 according to this detecting voltage signal, connecting this first power supply unit 11 and second power supply unit 12 supply access, and make first power supply unit 11 and second power supply unit 12 that are connected in parallel power operation to satisfy the power consumption demand of current this operation system 10 to this operation system 10 with identical output voltage values for operation system 10.
The palpus expositor, method of supplying power to of the present invention also can comprise: if when this first power supply unit 11 and second power supply unit 12 are powered operation to this operation system 10 simultaneously, the power consumption that detects this operation system 10 is less than this default power consumption number, then this Power Management Unit 13 is closed (OFF) this second switch unit 120, cutting off the supply access of 12 pairs of operation systems 10 of this second power supply unit, and only power by this first power supply unit 11.And, when separately this operation system 10 being powered, can select to improve the output voltage values of this first power supply unit 11, to these second power supply unit, 12 chargings by this first power supply unit 11.In another embodiment, can select again when the consumed power that detects this operation system 10 equals zero (under the off-mode), to check the power supply capacity of this second power supply unit 12; At this moment, can select to adjust the output voltage values of this first power supply unit 11 again, to 12 chargings of this second power supply unit, to fill to this second power supply unit 12 satisfy till, close this second switch unit 120 again.
Certainly, such concrete application all can set by actual demand, and can adopt different embodiments to the present invention under all kinds of situations, is not to exceed with the described embodiment of present embodiment.
Than prior art, electric power system of the present invention and method are mainly passed through the power consumption of the operation system of detecting portable electronic devices, and when this power consumption is excessive, adjust in this portable electronic devices the single output voltage of two first power supply units parallel with one another and second power supply for consistent, so that this two power supply can be simultaneously to operation system the operation of powering satisfy the excessive power consumption of this operation system, avoided negative meanses such as for example frequency reducing used in the prior art to limit the performance of this operation system on the contrary, and can not improve problems such as system temperature because of single power supply output power wherein is excessive, thereby avoid appearance when bad situations such as machines.
In addition, electric power system of the present invention and method can be equipped on the electric power system of original portable electronic devices, can not influence original power-supply management system, and application is convenient and realize simple and easy, with low cost again.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, protection scope of the present invention, the protection domain of claim is listed as described later.
Claims (9)
1, a kind of electric power system, the portable electronic devices that is applied to have operation system and Power Management Unit, first and second switch element can be opened or close to this Power Management Unit, and this electric power system then comprises:
First power supply unit electrically connects and is connected in series this first switch element with this Power Management Unit, in order to receiving civil power, and by opening this first switch element to open this first power supply unit to the operation of powering of this operation system;
Second power supply unit, electrically connect and be connected in series this second switch unit with this Power Management Unit, and this second power supply unit and this first power supply unit are connected in parallel, in order to battery supply to be provided, and by opening this second switch unit to open this second power supply unit to the operation of powering of this operation system;
The power consumption detecting module is electrically connected at this operation system and this Power Management Unit, presets the power consumption number person in order to the consumed power of detecting this operation system greater than one, then exports a detecting voltage signal to this Power Management Unit;
The detecting voltage module is electrically connected at this second power supply unit and this Power Management Unit, in order to detecting the output voltage values of this second power supply unit, and is sent to this Power Management Unit; And
Voltage regulator module, be electrically connected at this first power supply unit, this detecting voltage module and this Power Management Unit, in order to the detecting voltage signal that receives according to this Power Management Unit, the output voltage values of this first power supply unit is adjusted into the output voltage values of this second power supply unit, thereby when this Power Management Unit is opened this first and second switch element according to this detecting voltage signal, make this first and second power supply unit of being connected in parallel with identical output voltage values to the operation of powering of this operation system.
2, electric power system according to claim 1, wherein, the default power consumption number of this power consumption sets according to the power supply capacity of this first and second power supply unit.
3, electric power system according to claim 1, wherein, when the consumed power that this power consumption detecting module also is used to detect this operation system is lower than this default power consumption number, this Power Management Unit is closed this second switch unit, cutting off the supply access of this second power supply unit, and only this operation system is powered by this first power supply unit to operation system.
4, a kind of method of supplying power to, be applied to have operation system, Power Management Unit, to the power portable electronic devices of first and second power supply unit of operation of this operation system, first and second switch element that is connected in series this first and second power supply unit respectively can be opened or close to this Power Management Unit, and this method comprises:
Set a default power consumption number, and be to be connected in parallel with this first power supply unit with this second power supply unit;
Whether the consumed power of detecting this operation system greater than this default power consumption number, during greater than this default power consumption number, detects the output voltage values of this second power supply unit in the consumed power of this operation system;
The output voltage values of this first power supply unit is adjusted into the output voltage values of this second power supply unit of detecting; And
This Power Management Unit is opened this first and second switch element, with open the supply access of this first and second power supply unit, make this operation system this first and second power supply unit of being connected in parallel with identical output voltage values to the operation of powering of this operation system.
5, method of supplying power to according to claim 4, wherein, this default power consumption number sets according to the power supply capacity of this first and second power supply unit.
6, method of supplying power to according to claim 4, be included in the consumed power that detects this operation system again when being lower than this default power consumption number, this Power Management Unit is closed this second switch unit, cutting off the supply access of this second power supply unit, and only this operation system is powered by this first power supply unit to operation system.
7, method of supplying power to according to claim 6 wherein, when only by this first power supply unit this operation system being powered, comprises the output voltage values that improves this first power supply unit, to this second power supply unit charging.
8, method of supplying power to according to claim 4 also is included in the consumed power that detects this operation system when equalling zero, and checks the power supply capacity of this second power supply unit.
9, method of supplying power to according to claim 8 also comprises the output voltage values of adjusting this first power supply unit, to this second power supply unit charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101699206A CN101430593A (en) | 2007-11-08 | 2007-11-08 | Electric power supply system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101699206A CN101430593A (en) | 2007-11-08 | 2007-11-08 | Electric power supply system and method |
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| CN101430593A true CN101430593A (en) | 2009-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101699206A Pending CN101430593A (en) | 2007-11-08 | 2007-11-08 | Electric power supply system and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222943A (en) * | 2010-04-16 | 2011-10-19 | 鸿富锦精密工业（深圳）有限公司 | Power management system and portable electronic device with power management system |
| CN102483644A (en) * | 2009-09-09 | 2012-05-30 | 株式会社日立制作所 | Operational management method for information processing system and information processing system |
| CN104375613A (en) * | 2013-08-12 | 2015-02-25 | 联想(北京)有限公司 | Power supply method and electronic device |
| CN104662487A (en) * | 2012-09-20 | 2015-05-27 | 苹果公司 | Predicting user intent and future interaction from application activities |
| CN104765438A (en) * | 2015-04-29 | 2015-07-08 | 集怡嘉数码科技（深圳）有限公司 | Method for controlling power consumption and mobile terminal |
| CN104951047A (en) * | 2015-07-12 | 2015-09-30 | 佛山博朗德技术有限公司 | Design method for awakening high-power-consumption CPU (central processing unit) system by low-power-consumption CPU system |
| CN104951041A (en) * | 2014-03-28 | 2015-09-30 | 英特尔公司 | Dynamic power supply unit rail switching |
| CN105119330A (en) * | 2015-08-24 | 2015-12-02 | 联想(北京)有限公司 | Power adapter and power supply method |
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2007
- 2007-11-08 CN CNA2007101699206A patent/CN101430593A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102483644A (en) * | 2009-09-09 | 2012-05-30 | 株式会社日立制作所 | Operational management method for information processing system and information processing system |
| CN102483644B (en) * | 2009-09-09 | 2014-12-24 | 株式会社日立制作所 | Operational management method for information processing system and information processing system |
| CN102222943A (en) * | 2010-04-16 | 2011-10-19 | 鸿富锦精密工业（深圳）有限公司 | Power management system and portable electronic device with power management system |
| CN104662487A (en) * | 2012-09-20 | 2015-05-27 | 苹果公司 | Predicting user intent and future interaction from application activities |
| CN104662487B (en) * | 2012-09-20 | 2018-08-28 | 苹果公司 | User view and future interaction are predicted according to application program activity |
| CN104375613A (en) * | 2013-08-12 | 2015-02-25 | 联想(北京)有限公司 | Power supply method and electronic device |
| CN104951041A (en) * | 2014-03-28 | 2015-09-30 | 英特尔公司 | Dynamic power supply unit rail switching |
| CN104951041B (en) * | 2014-03-28 | 2018-10-26 | 英特尔公司 | Dynamic power supply unit track switches |
| CN104765438A (en) * | 2015-04-29 | 2015-07-08 | 集怡嘉数码科技（深圳）有限公司 | Method for controlling power consumption and mobile terminal |
| CN104951047A (en) * | 2015-07-12 | 2015-09-30 | 佛山博朗德技术有限公司 | Design method for awakening high-power-consumption CPU (central processing unit) system by low-power-consumption CPU system |
| CN105119330A (en) * | 2015-08-24 | 2015-12-02 | 联想(北京)有限公司 | Power adapter and power supply method |
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