WO2014117567A1 - 供电系统、电子设备以及电子设备的电力分配方法 - Google Patents
供电系统、电子设备以及电子设备的电力分配方法 Download PDFInfo
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- WO2014117567A1 WO2014117567A1 PCT/CN2013/087412 CN2013087412W WO2014117567A1 WO 2014117567 A1 WO2014117567 A1 WO 2014117567A1 CN 2013087412 W CN2013087412 W CN 2013087412W WO 2014117567 A1 WO2014117567 A1 WO 2014117567A1
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- WIPO (PCT)
- Prior art keywords
- power supply
- system load
- supply unit
- current
- operational amplifier
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims description 70
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/06—Two-wire systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Definitions
- the present invention relates to the field of power distribution, and in particular, to a power supply system, an electronic device, and a power distribution method of an electronic device.
- peripherals can be externally connected to many electronic devices, referred to as peripherals.
- peripherals such as keyboard and mouse audio. Therefore, for electronic devices, not only does it need to supply power to its internal system load, but it also needs to supply power to peripherals that may exist.
- the prior art electronic equipment usually supplies power to the peripheral device by using a fixed power supply mode.
- the power supply mode provided by the computer for the USB interface is: output voltage is 5V, maximum output 5 ⁇ The current is 0. 5A. Therefore, the computer can provide up to 2W of power to the mobile phone via the USB interface.
- Embodiments of the present invention provide a power supply system, an electronic device, and a power distribution method, which are capable of The change trend of the system load power consumption is measured, realizing the redistribution of the power supply capability of the system load power supply unit and the peripheral power supply unit, and maximally improving the power distribution of the electronic device.
- the embodiment of the present invention uses the following technical solutions:
- a power supply system comprising: a power supply unit, a power distribution unit connected to the power supply unit, a system load power supply unit connected to the power distribution unit, and a peripheral power supply unit connected to the power distribution unit, the power
- the allocation unit includes:
- a power consumption prediction module configured to detect a system load power consumption, and calculate a change trend of the system load power consumption
- a power consumption control module configured to adjust a power supply capability of the system load power supply unit and the peripheral power supply unit according to a change trend of the system load power consumption.
- the power consumption prediction module includes:
- a detection circuit configured to detect a system load current and a rate of change of the system load current, where the system load current is used to reflect the system load power consumption;
- a calculation circuit configured to calculate a predicted current after the reference time according to the system load current, a rate of change of the system load current, and the reference time, where the predicted current is used to reflect the system load power consumption Trend;
- the power consumption control module includes:
- a comparison circuit configured to set a reference current, and compare the predicted current with the reference current
- a control circuit configured to increase a power supply capability of the system load power supply unit when the predicted current is greater than the reference current, and The power supply capability of the peripheral power supply unit is reduced.
- the predicted current is not greater than the reference current, the power supply capability of the system load power supply unit is reduced, and the power supply capability of the peripheral power supply unit is improved.
- the detecting circuit includes:
- a first operational amplifier wherein a negative input terminal thereof is connected to an input end of the system load power supply unit through a second resistor, and a positive input terminal thereof is connected to an output end of the system load power supply unit through a third resistor, and an output end thereof is reflected a first voltage of the system load current;
- a fourth resistor having one end connected to the negative input terminal of the first operational amplifier and the other end connected to the output end of the first operational amplifier;
- a fifth resistor having one end connected to the positive input terminal of the first operational amplifier and the other end connected to ground;
- a second operational amplifier having a positive input terminal connected to the ground through a sixth resistor, a negative input terminal connected to the output end of the first operational amplifier through a first capacitor, and an output of the output terminal reflecting a rate of change of the load current of the system Second voltage
- the seventh resistor has one end connected to the negative input terminal of the second operational amplifier and the other end connected to the output terminal of the second operational amplifier.
- the time generating circuit includes:
- a third operational amplifier having a positive input terminal connected to an output terminal of the second operational amplifier through an eighth resistor, a negative input terminal thereof being grounded through a ninth resistor, and an output terminal outputting a third voltage reflecting the reference time;
- a tenth resistor one end of which is connected to the positive input terminal of the third operational amplifier, and the other end of which is grounded;
- the eleventh resistor has one end connected to the negative input terminal of the third operational amplifier and the other end connected to the output terminal of the third operational amplifier.
- the calculating circuit includes:
- a fourth operational amplifier having a positive input terminal connected to an output of the third operational amplifier through a twelfth resistor and connected to an output of the first operational amplifier through a thirteenth resistor and passing through The fourteen resistor is grounded, the negative input terminal thereof is grounded through the fifteenth resistor, and the output end thereof outputs a fourth voltage reflecting the predicted current;
- the sixteenth resistor has one end connected to the negative input terminal of the fourth operational amplifier and the other end connected to the output terminal of the fourth operational amplifier.
- the comparing circuit includes: at least one comparator, wherein the positive input end of the comparator is grounded through a preset power source, The preset power source is configured to provide a reference voltage reflecting the reference current, a negative input terminal thereof is connected to an output end of the fourth operational amplifier, and an output terminal thereof outputs a comparison result of the reference voltage and the fourth voltage.
- an electronic device including the power supply system described above.
- a power distribution method for an electronic device including: detecting system load power consumption;
- a trend of the system load power consumption is calculated to adjust the power supply capability of the system load power supply unit and the peripheral power supply unit according to the change trend of the system load power consumption.
- the calculating a change trend of the system load power consumption includes:
- the adjusting the power supply capability of the system load power supply unit and the peripheral power supply unit according to the change trend of the system load power consumption includes:
- Embodiments of the present invention provide a power supply system, an electronic device, and a power distribution method.
- detecting a system load power consumption calculating a change trend of a system load power consumption, dynamically adjusting a system load power supply unit according to a change trend of a system load power consumption, and The power supply capability of the peripheral power supply unit increases the power distribution capability of the electronic device with maximum efficiency.
- FIG. 1 is a structural block diagram of a power supply system according to an embodiment of the present invention.
- FIG. 2 is a structural block diagram of a power distribution unit according to an embodiment of the present invention.
- FIG. 3 is a circuit diagram of a detection circuit in an embodiment of the present invention.
- FIG. 4 is a circuit diagram of a time generation circuit in an embodiment of the present invention.
- FIG. 5 is a circuit diagram of a calculation circuit in an embodiment of the present invention.
- FIG. 6 is a circuit diagram of a comparison circuit in an embodiment of the present invention.
- FIG. 7 is a flowchart of operation of a power supply system according to an embodiment of the present invention.
- FIG. 8 is a flowchart of a method for allocating power of an electronic device according to an embodiment of the present invention. detailed description
- the power supply system provided by the embodiment of the invention can predict the change trend of the system load power consumption, reallocate the power supply capability of the system load power supply unit and the peripheral power supply unit, and improve the power distribution of the electronic device with maximum efficiency.
- a power supply system is provided. As shown in FIG. 1, a power supply unit 1, a power distribution unit 2 connected to the power supply unit 1, a system load power supply unit 3 connected to the power distribution unit 2, and a power distribution unit are connected. Peripheral power supply unit 4 of unit 2.
- the power supply unit 1 is configured to provide total input power to supply power to the system load and the peripheral device; the power distribution unit 2 allocates the total input power provided by the power supply unit 1, and transmits the system load power to the system load power supply unit 3, The peripheral power is transmitted to the peripheral power supply unit 4.
- the power distribution unit 2 includes: a power consumption prediction module 21 and a power consumption control module 22.
- the power consumption prediction module 21 is configured to detect a system load power consumption, and calculate a change trend of the system load power consumption; the power consumption control module 22 adjusts the system load power supply unit according to a change trend of the system load power consumption, and the Power supply capability of the peripheral power supply unit.
- the total input power provided by the power supply unit 1 can be divided into two parts: one part provides the system load operation and the other part provides the peripheral work. In fact, the system load and the operating state of the peripherals are changing. Therefore, by detecting the system load power consumption by the power consumption prediction module 21 and calculating the change trend of the system load power consumption, the system load and the power consumption required by the peripheral device can be predicted; then, the power consumption control module 22 supplies the system load power supply unit and The power supply capability of the peripheral power supply unit is adjusted to maximize the power supply efficiency of the entire power supply system. For example, when the system load is relatively idle, the power supply system of the system load power supply unit is reduced, and the power supply capability of the peripheral power supply unit is improved, and excess power is supplied to the peripheral device.
- the power supply system provided by the embodiment of the present invention calculates the change trend of the system load power consumption by detecting the system load power consumption, and dynamically adjusts the power supply of the system load power supply unit and the peripheral power supply unit according to the change trend of the system load power consumption.
- the power consumption prediction module 21 includes: a detection circuit 201, a time generation circuit 202, and a calculation circuit 203.
- the power consumption control module 22 includes: a comparison circuit 204 and a control circuit 205. .
- the time generating circuit 202 is configured to generate a reference time by adjusting the time generating circuit 202 to obtain a desired reference time.
- the calculation circuit 203 calculates the predicted current after the reference time based on the system load current, the rate of change of the system load current, and the reference time.
- the predicted current actually reflects the trend of the system load power consumption after the reference time. Trends in power consumption include, for example, increased power consumption or reduced power consumption or constant power consumption. So far, the power consumption prediction module 21 has completed the purpose of detecting the system load power consumption and calculating the system load power consumption trend.
- the comparison circuit 204 is for setting a reference current, and comparing the reference current with the predicted current generated by the calculation circuit 203.
- the reference current can be set according to the precision required by the power supply system in the power supply. For example: Set the appropriate parameters The current value of the current is measured to accurately predict the system load and the power consumption of the peripheral; in addition, at least one reference current can be set, for example: three reference currents are set. Of course, those skilled in the art can also set other numbers of reference currents to finely adjust the system load power supply capability and peripheral power supply capability.
- the control circuit 205 receives the comparison result of the comparison circuit 204, and completes the adjustment of the system load power supply capability and the peripheral power supply capability.
- the result of the comparison includes the following two possibilities:
- the control circuit 205 increases the system load power supply unit.
- the power supply capability and the power supply capability of the peripheral power supply unit are reduced.
- the control circuit 205 reduces the power supply capability of the system load power supply unit and improves the peripheral power supply unit. Power supply capability. So far, the power control module 22 completes the adjustment of the power supply capability of the system load power supply unit and the peripheral power supply unit according to the change trend of the system load power consumption.
- the detecting circuit 201 is configured to detect a system load current and a rate of change of the system load current, and the method includes: a plurality of resistors R l, R2, and R3 , R4, R5, R6, R7, the first operational amplifier U l , the second operational amplifier U2 , and the capacitor C l .
- the resistor R 1 is connected between the input end and the output end of the system load power supply unit for collecting system load current.
- the resistor R 1 is a sampling resistor (English: sampling resistor, abbreviated: SR), also known as current sense resistor, current sense resistor, sampling resistor, current sense resistor, etc., which is used in series in the circuit.
- the current is converted into a voltage signal for measurement.
- the end points of the resistor R 1 are respectively connected to the VIN terminal of the input terminal of the system load power supply unit, and the end point of the B terminal is connected with the VOUT terminal of the output end of the system load power supply unit. Therefore, when the system load current is I, the resistance
- V AB I*Ri.
- the resistor R2 is connected in series between the negative input terminal of the first operational amplifier U1 and the end of the A
- the resistor R3 is connected in series with the positive input terminal and the B terminal end of the first operational amplifier U1
- the resistor R4 is connected in series with the first operational amplifier.
- the resistor R5 is connected in series between the positive input terminal and the ground terminal of the first operational amplifier U1.
- the resistors R2, R3, R4, and R5 and the first operational amplifier U1 constitute an amplifying circuit. According to the calculation formula of the amplifying circuit, the first voltage Vi outputted from the output end of the first operational amplifier U1 is proportional to V AB . For example: Order
- Ri is the resistance value of the resistor R1
- ki is referred to as the first amplification factor. Therefore, the first voltage Vi outputted from the output of the first operational amplifier U1 is used to reflect the system load current I.
- the capacitor C1 is connected in series between the output terminal of the first operational amplifier U1 and the negative input terminal of the second operational amplifier U2, and the resistor R6 is connected in series between the positive input terminal and the ground terminal of the second operational amplifier U2.
- R7 is connected in series between the negative input terminal of the second operational amplifier U2 and the output terminal of the second operational amplifier U2.
- the resistors R6 and R7, the capacitor CI and the second operational amplifier U2 constitute a differential amplifier circuit. According to the calculation formula of the differential amplifier circuit, the second voltage V 2 outputted from the output terminal of the second operational amplifier U2 is proportional to dVi/dt.
- R 7 is the resistance value of the resistor R7
- Ci is the capacity of the capacitor C 1
- k 2 is referred to as the second amplification factor. Therefore, the second voltage V 2 outputted from the output of the second operational amplifier U2 is used to reflect the rate of change dl/dt of the system load current.
- the method includes: a plurality of resistors R8, R9, RIO, R11 and a third operational amplifier U3. .
- Resistor R8 is connected in series Between the positive input terminal of the third operational amplifier U3 and the output terminal of the second operational amplifier U2, the resistor R9 is connected in series between the negative input terminal of the third operational amplifier U3 and the ground terminal, and the resistor R10 is connected in series with the positive input terminal of the third operational amplifier U3.
- the resistor R11 is connected in series between the negative input terminal of the third operational amplifier U3 and the output terminal of the third operational amplifier U3.
- the resistors R8, R9, RIO, R11 and the third operational amplifier U3 constitute an amplifying circuit.
- the third voltage V 3 outputted from the output terminal of the third operational amplifier U3 is proportional to V 2 .
- V 3 [Rio/ ( R 8 +Rio ) ]*[ ( R9+R11 ) /R 9 ] o
- k 3 is written as the third amplification factor, depending on the resistors R8, R9, RIO, Rl l.
- the third voltage V 3 is proportional to V 2 .
- the third amplification system k 3 is used as the reference time generated by the time generation circuit 202, and the need to generate the resistors R8, R9, RIO, and R11 can be generated. Reference time.
- the calculation circuit 203 is configured to calculate a predicted current after the reference time according to the system load current, the rate of change of the system load current, and the reference time.
- the method includes: a plurality of resistors R12, R13, R14, R15, R16 and a fourth operational amplifier U4.
- the resistor R12 is connected in series between the positive input terminal of the fourth operational amplifier U4 and the output terminal of the third operational amplifier U3, and the resistor R13 is connected in series between the positive input terminal of the fourth operational amplifier U4 and the output terminal of the first operational amplifier U1, and the resistor R14 Connected in series between the positive input terminal and the ground terminal of the fourth operational amplifier U4, the resistor R15 is connected in series between the negative input terminal of the fourth operational amplifier U4 and the ground terminal, and the resistor R16 is connected in series with the negative input terminal of the fourth operational amplifier U4.
- the fourth operational amplifier U4 is between the outputs.
- the resistors R12, R13, R14, R15, R16 and the fourth operational amplifier U4 constitute an amplifying circuit.
- Vi represents the system load current
- V 2 represents the rate of change of the system load current
- k 4 is the fourth amplification factor.
- the predicted current system load current + system load current rate of change * reference time. Therefore, the fourth voltage V 4 outputted from the output terminal of the fourth operational amplifier U4 is used to reflect the predicted current of the system load current after the reference time.
- the comparison circuit 204 is configured to set a reference current, compare the reference current with the predicted current generated by the calculation circuit 203, and includes: comparators A1, A2 , A3 and preset power supplies Vrefl, Vref2, Vref3.
- the negative input terminals of the comparators A1, A2, and A3 are connected to the output terminal of the fourth operational amplifier U4, and the positive input terminal of the comparator A1 is connected to the ground through a preset power supply Vr ef 1 , and the positive input terminal of the comparator A 2 passes through
- the power source Vr ef 2 is connected to the ground terminal
- the positive input terminal of the comparator A 3 is connected to the ground terminal through the preset power source Vref3
- the comparators A1, A2, and A3 receive the fourth voltage and the predicted voltage, and then output the comparison result through the output terminal.
- the comparison result reflects the comparison between the reference current and the predicted current.
- the comparison result of the output for example, when the predicted voltage is greater than the reference voltage, outputs a comparison result Y; otherwise, the comparison result N is output.
- the control circuit receives the comparison result of the comparison circuit output, and completes the adjustment of the system load power supply capability and the peripheral power supply capability. For example: When the predicted current is greater than the reference current, the control circuit increases the power supply capability of the system load power supply unit and reduces the power supply capability of the peripheral power supply unit; when the predicted current is not greater than the reference current, the control circuit reduces the power supply capability of the system load power supply unit and Improve the power supply capability of the peripheral power supply unit.
- the total power consumption of the power supply unit of the power supply system is 6W, and the power supply system sets three reference voltages. Don't be Vrefl, Vref2, Vref3, where Vrefl ⁇ Vref2 ⁇ Vref3.
- the operation steps of the power supply system can be described as follows, as shown in FIG.
- Step 1 The power supply system starts to supply power
- the power supply system includes: a power supply unit, a power distribution unit, a system load power supply unit, and a peripheral power supply unit.
- the power distribution unit includes: a power consumption prediction module and a power consumption control module.
- the power supply unit provides total input power to power system loads and peripherals.
- the power distribution unit distributes the total input power, transmits the system load power to the system load power supply unit, and transmits the peripheral power supply to the peripheral power supply unit.
- the power supply system of the present embodiment is not limited to the power supply system shown in FIG. 2.
- Step 2 The power supply system detects the load current of the system and the rate of change of the system load current, and calculates and generates a predicted voltage.
- the power consumption prediction module of the power supply system detects the system load current, the system load current change rate, and calculates and generates a predicted voltage.
- the system load current is used to reflect the system load power consumption
- the generated predicted voltage is used to reflect the change trend of the system load power consumption.
- the predicted voltage reflects the predicted current, while the predicted current reflects the trend of the system load power consumption. Therefore, by producing a predicted voltage, it is used to reflect the trend of system load power consumption.
- Step 3 The power supply system compares the predicted voltage with the reference voltage.
- the comparison between the predicted voltage and the reference voltage has the following four possible cases: The first possibility: Predicted voltage >Vref3; The second possibility: Vref3 > Predicted voltage >Vref2; Third possibility: Vref2 > Predicted voltage > ⁇ ; The fourth possibility: Predict the voltage Vrefl. By comparison It is determined that the predicted voltage is in any of the above possibilities.
- Step 4 According to the comparison result, adjust the power supply capability of the system load power supply unit and the peripheral power supply unit.
- the power supply system increases the power supply capability of the system load power supply unit and reduces the power supply capability of the peripheral power supply unit; conversely, when the predicted voltage is not greater than the reference voltage, The power supply system reduces the power supply capability of the system load power supply unit and improves the power supply capability of the peripheral power supply unit.
- the first type to turn off the peripheral power supply unit;
- the second type limit the maximum power supply capacity of the peripheral power supply unit to 1W;
- kind Limit the maximum power supply capacity of the peripheral power supply unit to 2W;
- the fourth type Limit the maximum power supply capacity of the peripheral power supply unit to 3W.
- the total power supply capacity of the power supply system the power supply capability of the system load power supply unit + the power supply capability of the peripheral power supply unit. Therefore, adjusting the power supply capability of the peripheral power supply unit changes the power distribution mode of the power supply system, thereby making The power distribution of the power supply system is more reasonable.
- the power supply system provided by the embodiment of the present invention calculates the change trend of the system load power consumption by detecting the system load power consumption, and dynamically adjusts the power supply of the system load power supply unit and the peripheral power supply unit according to the change trend of the system load power consumption.
- an electronic device including the power supply system described above.
- the structure and working principle of the power supply system are the same as the above embodiments, and Let me repeat.
- the structure of other parts of the electronic device can refer to the prior art, and will not be described in detail herein.
- An electronic device provided by an embodiment of the present invention may be a product or a component having a peripheral access such as a computer, a television, a digital camera, a mobile phone, and the like, which is not limited by the present invention.
- a power distribution method for an electronic device comprising the following steps:
- the power distribution method utilizes the electronic device provided by the foregoing embodiment.
- the electronic device includes a power supply system
- the power supply system includes: a power supply unit, and a power distribution.
- Unit 2 system load power supply unit 3, peripheral power supply unit 4.
- the power distribution unit 2 includes: a power consumption prediction module 21 and a power consumption control module 22.
- the change trend of calculating the load power consumption of the system includes: detecting a system load current and a rate of change of the system load current; generating a reference time ;
- the predicted current is calculated according to the system load current, the rate of change of the system load current, and the reference time, and the predicted current is used to reflect a trend of the system load power consumption after the reference time.
- the adjusting the power supply capability of the system load power supply unit and the peripheral power supply unit according to the change trend of the system load power consumption includes: Setting a reference current, comparing the predicted current with the reference current, and when the predicted current is greater than the reference current, increasing a power supply capability of the system load power supply unit, and reducing a power supply capability of the peripheral power supply unit, When the predicted current is not greater than the reference current, the power supply capability of the system load power supply unit is reduced, and the power supply capability of the peripheral power supply unit is improved.
- An embodiment of the present invention provides a method for distributing power of an electronic device, by detecting a system load power consumption, calculating a trend of a system load power consumption, and dynamically adjusting a system load power supply unit and peripherals according to a change trend of the system load power consumption.
- the power supply capability of the power supply unit increases the power distribution capability of the electronic device with maximum efficiency.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP13874062.6A EP2953001B1 (en) | 2013-01-30 | 2013-11-19 | Power supply system, electronic device and power distribution method of electronic device |
JP2015555553A JP6080063B2 (ja) | 2013-01-30 | 2013-11-19 | 電源システム、電子デバイス、および電子デバイスの配電方法 |
KR1020157022678A KR101678116B1 (ko) | 2013-01-30 | 2013-11-19 | 전력 공급 시스템, 전자 장치 및 전자 장치의 전기 분배 방법 |
US14/812,491 US9935467B2 (en) | 2013-01-30 | 2015-07-29 | Power supply system, electronic device, and electricity distribution method of electronic device |
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CN201310036198.4 | 2013-01-30 | ||
CN201310036198.4A CN103970079B (zh) | 2013-01-30 | 2013-01-30 | 供电系统、电子设备以及电子设备的电力分配方法 |
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US14/812,491 Continuation US9935467B2 (en) | 2013-01-30 | 2015-07-29 | Power supply system, electronic device, and electricity distribution method of electronic device |
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US (1) | US9935467B2 (zh) |
EP (1) | EP2953001B1 (zh) |
JP (1) | JP6080063B2 (zh) |
KR (1) | KR101678116B1 (zh) |
CN (1) | CN103970079B (zh) |
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TWI587659B (zh) * | 2016-01-26 | 2017-06-11 | 九暘電子股份有限公司 | 乙太網路供電系統的供電設備及供電方法 (二) |
TWI594598B (zh) * | 2016-02-04 | 2017-08-01 | 九暘電子股份有限公司 | 乙太網路供電系統的供電設備及供電方法(一) |
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EP2953001A4 (en) | 2016-03-23 |
JP6080063B2 (ja) | 2017-02-15 |
KR20150110702A (ko) | 2015-10-02 |
CN103970079A (zh) | 2014-08-06 |
US9935467B2 (en) | 2018-04-03 |
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