CN102999149A - Electronic system and power supply management method - Google Patents
Electronic system and power supply management method Download PDFInfo
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- CN102999149A CN102999149A CN2011102812306A CN201110281230A CN102999149A CN 102999149 A CN102999149 A CN 102999149A CN 2011102812306 A CN2011102812306 A CN 2011102812306A CN 201110281230 A CN201110281230 A CN 201110281230A CN 102999149 A CN102999149 A CN 102999149A
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Abstract
The invention relates to an electronic system and a power supply management method. The electronic system comprises an input-output expander, at least one electronic device and a control module, wherein the input-output expander outputs the power to a peripheral device through at least one output end; the electronic device is coupled to the input-output expander in a daisy chain way, and the input-output expander is communicated with the electronic device through a transmission protocol to be compatible with a Leiben interface; and the control module adjusts instant power of the electronic device and the peripheral device according to the instant power of the electronic device, the instant power of the peripheral device, maximal output power and multiple parameters so as to avoid the power outputted by the input-output expander not to be greater than the maximal output power. The instant power of the electronic device and the peripheral device can be adjusted, so that when another electronic device is connected to the electronic device, the power outputted by the input-output expander can be avoided not to be greater than the maximal output power, and the system stability can be improved.
Description
Technical field
The present invention relates to electronic system, relate in particular to a kind of electronic system with high-speed transmission interface.
Background technology
In recent years, along with computer and development of information industry, various new peripherals can link PC and notebook computer etc. easily, have wherein comprised world-wide web and external connection type memory apparatus etc.Yet the power management of these peripheral units is not very desirable, therefore is badly in need of a kind of method for managing power supply and electronic system, increases the stability of main frame and peripheral unit, reduces simultaneously the power consumption of peripheral unit.
Summary of the invention
In view of this, in order to overcome the defective of prior art, the invention provides a kind of electronic system, comprising: an input/output expander, by at least one output terminal out-put supply to a peripheral unit; At least one electronic installation, in order to the daisy chained input/output expander that is coupled to, wherein input/output expander and electronic installation communicate to be compatible to the run quickly host-host protocol of (Thunderbolt, or Light Peak) interface of thunder; An and control module, according to the real-time power of electronic installation, real-time power, a peak power output and a plurality of parameter of peripheral unit, adjust the real-time power of electronic installation and peripheral unit, to avoid power that input/output expander exported greater than peak power output.
The present invention also provides a kind of method for managing power supply, be applicable to have an electronic system of an input/output expander and at least one electronic installation, input/output expander and electronic installation couple with daisy chained, and input/output expander is coupled at least one peripheral unit, method for managing power supply comprises: the real-time power of detection. electronics and the real-time power of peripheral unit, and wherein input/output expander and electronic installation communicate to be compatible to the run quickly host-host protocol of interface of thunder; And according to the real-time power of electronic installation, real-time power, a peak power output and a plurality of parameter of peripheral unit, adjust the real-time power of electronic installation and peripheral unit, to avoid power that input/output expander exported greater than peak power output.
The real-time power of capable of adjusting electronic device of the present invention and peripheral unit, avoiding when connecting another electronic installation to above-mentioned electronic installation, the power that input/output expander is exported increases Systems balanth greater than peak power output.
For above and other purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperation accompanying drawing are described in detail below.
Description of drawings
Fig. 1 is an embodiment of electronic system of the present invention, in order to carry out method for managing power supply;
Fig. 2 is an embodiment of electronic system of the present invention;
Fig. 3 is that thunder of the present invention is to an embodiment of interface; And
Fig. 4 is to be a process flow diagram of method for managing power supply of the present invention.
Wherein, description of reference numerals is as follows:
100: electronic system;
M1～M5: electronic installation;
CM: control module;
120: main frame;
EP: input/output expander;
PS1: power supply unit;
PS2: external power supply;
P1～P9: output terminal;
TB: thunder is to interface;
S1～S9: power detector;
I1: input end;
SW1A～SW4A, SW1B～SW4B, SW5～SW14: switch unit.
Embodiment
Fig. 1 is an embodiment of electronic system of the present invention, in order to carry out method for managing power supply.As shown in Figure 1, electronic system 100 comprises an input/output expander (I/O Expander) EP, electronic installation M1～M5 and a control module (Control module) CM.In embodiments of the present invention, control module CM is arranged among the input/output expander EP.In certain embodiments, control module CM can be arranged on one of electronic installation M1～M5, or is arranged on a main frame 120 that is coupled to electronic system 100, but is not limited to this.Electronic installation M1～M5 is stacked and placed on input/output expander EP with a direction, and electronic installation M1～M5 and input/output expander EP have high-speed transmission interface, for example thunder is to interface, so that electronic installation M1～M5 and input/output expander EP communicate with host-host protocol and the main frame 120 that is compatible to high-speed transmission interface, and be to couple with daisy chained (Daisy-Chain) between electronic installation M1～M5.It should be noted that, quantity and the kind of electronic installation are not limited to this, in embodiments of the present invention, run quickly interface as example take thunder, but be not limited to this, any electronic installation with high-speed transmission interface (for example more than the 5Gbps) can be input/output expander EP of the present invention and electronic installation M1～M5.Input/output expander EP is by power supply unit PS1 supply power supply, and the power supply that input/output expander EP provides power supply unit PS1 exports electronic installation M1～M5 or peripheral unit to.Main frame 120 is by external power supply power supply that PS2 supplies, perhaps by the battery power supply of main frame inside.
Fig. 2 is an embodiment of electronic system of the present invention.As shown in Figure 2, input/output expander EP has an input end I1 and output terminal P1～P5.Specifically, input end I1 is coupled to power supply unit PS1, in order to receive power supply from power supply unit PS1.To peripheral unit, wherein peripheral unit is not for having thunder to the electronic installation of interface by output terminal P1～P4 out-put supply for input/output expander EP.For instance, output terminal P1, P2 are universal serial bus (Universal Serial Bus, USB) interface, output terminal P3 is HDMI (High Definition Multimedia Interface) (High Definition Multimedia Interface, HDMI), output terminal P4 is network interface, the usefulness that the quantity of output terminal and the kind of output terminal only illustrate, but be not limited to this.Switch unit SW1A, SW1B alternative provide power supply or do not provide to output terminal P1 by main frame 120 and/or by input/output expander EP, and switch unit SW2A～SW4A, SW2B～SW4B also have identical function, therefore repeat no more.Input/output expander EP provides power supply to electronic installation M1～M5 by output terminal P5.Each electronic installation M1～M5 has corresponding input end, in order to receive the power supply from input/output expander EP.
Power detector S1～S9 is in order to detect the real-time power of peripheral unit and electronic installation M1～M5, switch unit SW5 provides power supply in order to selectivity or stops to provide power supply to input/output expander EP, and switch unit SW6, SW8～SW12 provide power supply in order to selectivity or stop to provide power supply to electronic installation M1～M5.When a new electronic installation is connected to last electronic installation, control module CM is according to present electronic installation (for example electronic installation M1～real-time power M5), the real-time power of peripheral unit, a peak power output and a plurality of parameter, adjust the real-time power of electronic installation and peripheral unit, to avoid power that input/output expander EP exported greater than peak power output.
Suppose that it is 100 watts that power supply unit PS1 offers input/output expander EP peak power, so the peak power output of input/output expander EP is near 100 watts (following hypothesis peak power output is 100 watts).When electronic installation M5 is connected to electronic installation M4, control module CM can detection. electronics M5 be peak power and the minimum power of which kind of electron-like device, electronic installation M5, and according to the real-time power of electronic installation M1～M4, real-time power, peak power output (for example 100 watts) and a plurality of parameter of peripheral unit, adjust the real-time power of electronic installation M1～M5 and peripheral unit, to avoid power that input/output expander EP exported greater than peak power output (for example 100 watts).
In embodiments of the present invention, parameter comprises the priority of stopping power supply, all electronic installations (utilization rate of electronic installation M1～M5) and all peripheral units, all electronic installations (for example electronic installation M1～M5) and peak power and the minimum power of all peripheral units for example, and stop power supply or frequency reducing electronic installation M1～M5 or peripheral unit according to these parameter selectivity, to avoid power that input/output expander EP exported greater than peak power output.
For instance, when electronic installation M5 is connected to electronic installation M4, the minimum power that control module CM detects electronic installation M5 is 10 watts, because the summation of the real-time power of electronic installation M1～M4 and peripheral unit is 95 watts, if when electronic installation M5 adds electronic system 100, can cause electronic installation M1～M4 or peripheral unit to move abnormally.Control module CM can the stop supplies power supply be to electronic installation M1 according to priority (for example electronic installation M1 preferentially is stopped the supply power supply), so that electronic installation M5 and other electronic installations are normally moved.
In embodiments of the present invention, control module CM also can select to stop the whichever device according to the utilization rate of electronic installation M1～M4 and peripheral unit.For instance, suppose that electronic installation M2 is ready always, when electronic installation M5 was connected to electronic installation M4, control module CM stopped to provide power supply to electronic installation M2, so that electronic installation M1, M3～M5 and peripheral unit are normally moved.
In embodiments of the present invention, control module CM also can select to stop the whichever device according to peak power or the minimum power of electronic installation M1～M4 and peripheral unit.For instance, among electronic installation M1～M4, electronic installation M3 has maximum minimum power, control module CM stop supplies power supply will reduce a lot of electrical source consumptions to electronic installation M3, therefore when electronic installation M5 is connected to electronic installation M4, control module CM stops to provide power supply to electronic installation M3, so that electronic installation M1～M2, M4～M5 and peripheral unit are able to normal operation.
In certain embodiments, when electronic installation M5 was connected to electronic installation M4, control module CM also can reduce at least one the usefulness of electronic installation M1～M4.For instance, electronic installation M2, M3 and M4 are respectively CD player, hard disk and display card, wherein display card has graphic process unit (Graphic Processing Unit, GPU), control module CM can reduce the reading speed of electronic installation M2 and/or reduce the rotating speed of electronic installation M3 and/or the operating frequency of reduction electronic installation M4, in order to reduce the power consumption of electronic installation M2, M3 or M4, so that electronic installation M5 is able to normal running.
In certain embodiments, control module CM judges that also the graphic process unit of main frame 120 and the graphic process unit whichever of electronic installation M4 have higher usefulness, stops to provide power supply in order to determine to the whichever graphic process unit.In addition, the graphic process unit of the graphic process unit of main frame 120 and electronic installation M4 also can be moved simultaneously, for example the graphic process unit of main frame 120 is carried out the odd number picture frame cycle (frame), and the graphic process unit of electronic installation M4 is carried out the even number picture frame cycle, but is not limited to this.
Fig. 3 is a run quickly embodiment of interface of thunder of the present invention, and wherein the thunder interface TB that runs quickly is arranged on main frame 120.As shown in Figure 3, thunder is coupled to the output terminal P6 of input/output expander EP to the output terminal P7 of interface TB, the run quickly output terminal P9 of interface TB of thunder receives power supply from main frame 120, in order to provide power supply to electronic installation M1～M5, peripheral unit and input/output expander EP.In embodiments of the present invention, when power supply unit PS1 provided power supply to input/output expander EP, thunder stopped to provide power supply to electronic installation M1～M5, peripheral unit and input/output expander EP to interface TB by switch unit SW13.In certain embodiments, when power supply unit PS1 provided power supply to input/output expander EP, thunder also provided power supply to electronic installation M1～M5, peripheral unit and input/output expander EP to interface TB simultaneously.For instance, power supply unit PS1 provides 100 watts power supply to input/output expander EP, the thunder interface TB that runs quickly also provides 10 watts power supply to input/output expander EP, therefore input/output expander EP can provide 110 watts power supply to electronic installation M1～M5 or peripheral unit, so the peak power output of input/output expander EP becomes 110 watts.In certain embodiments, when an external power supply PS2 anergy of main frame 120, input/output expander EP can provide power supply (for example 10 watts) to main frame 120 by the run quickly switch unit SW14 of interface TB of switch unit SW7 and thunder, so that output terminal P8 out-put supply is to main frame 120, in order to the battery of main frame 120 is charged.
In embodiments of the present invention, main frame 120 can be various electronic system sample attitudes (configuration), for example, portable equipment (hand-held devices), portable set (portable devices), personal digital assistant (personal digital assistant; PDA) multicomputer system, take microprocessor as the basis or the consumption electronic products of programmable (microprocessor-based or programmable consumer electronics), network computer, mini computer, mainframe and similar equipment, but be not limited to this.Control module CM can be arranged on a single CPU (central processing unit) (central-processing unit; CPU) or be associated with in a plurality of parallel processing units of parallel calculation environment (parallel processing environment), in order to carry out method for managing power supply.
Fig. 4 is a process flow diagram of method for managing power supply of the present invention, (electronic system 100 of electronic installation M1～M5) for example, wherein input/output expander EP and electronic installation M1～M5 couple with daisy chained to be applicable to have input/output expander EP and at least one electronic installation.As shown in Figure 4, method for managing power supply comprises the following steps.
In step S41, provide power supply to electronic installation M1～M5 and/or be coupled at least one peripheral unit of input/output expander EP by input/output expander EP.In step S42, the real-time power of detection. electronics M1～M5 and the real-time power of peripheral unit, wherein input/output expander EP and electronic installation M1～M5 communicate to be compatible to the run quickly host-host protocol of interface of thunder.In step S43, according to the real-time power of electronic installation M1～M5, real-time power, peak power output and a plurality of parameter of peripheral unit, adjust the real-time power of electronic installation M1～M5 and peripheral unit, to avoid power that input/output expander EP exported greater than above-mentioned peak power output.In step S44, carry out communicating by letter between input/output expander EP and the main frame 120 to be compatible to the run quickly host-host protocol of interface of thunder, wherein when the external power supply PS2 of main frame 120 anergy, provide power supply to main frame 120 by input/output expander EP.
Specifically, peak power output is the peak power that input/output expander EP can export.For instance, when only having main frame 120 that power supply (for example 10 watts) is provided to input/output expander EP, the peak power output of input/output expander EP is 10 watts.When only having power supply unit PS1 that power supply (for example 100 watts) is provided to input/output expander EP, the peak power output of input/output expander EP is 100 watts.When main frame 120 and power supply unit PS1 provided power supply simultaneously to input/output expander EP, the peak power output of input/output expander EP was 110 watts.Main frame 120 only is the usefulness of explanation with the power supply (10 watts and 100 watts) that power supply unit PS1 provides, but is not limited to this.
The above feature of the many embodiment of narration, under making in the technical field those of ordinary skill can know the form of understanding this instructions.Under in the technical field those of ordinary skill can understand its can utilize disclosure of the present invention for the basis with design or change other techniques and structure is finished the purpose that is same as above-described embodiment and/or reached the advantage that is same as above-described embodiment.Under in the technical field those of ordinary skill also can understand the equivalent constructions that does not break away from the spirit and scope of the present invention and can change arbitrarily without departing from the spirit and scope of the present invention, substitute and retouch.
Claims (15)
1. electronic system comprises:
One input/output expander is by at least one output terminal out-put supply to a peripheral unit;
At least one electronic installation is coupled to above-mentioned input/output expander in order to daisy chained; And
One control module, real-time power, a peak power output and a plurality of parameter according to the real-time power of above-mentioned electronic installation, above-mentioned peripheral unit, adjust the real-time power of above-mentioned electronic installation and above-mentioned peripheral unit, to avoid power that above-mentioned input/output expander exported greater than above-mentioned peak power output.
2. electronic system as claimed in claim 1, wherein above-mentioned parameter comprises a priority, so that above-mentioned control module stops power supply or the above-mentioned electronic installation of frequency reducing or above-mentioned peripheral unit according to above-mentioned priority selectivity, to avoid power that above-mentioned input/output expander exported greater than above-mentioned peak power output.
3. electronic system as claimed in claim 1, wherein above-mentioned parameter comprises the utilization rate of above-mentioned electronic installation and above-mentioned peripheral unit, so that above-mentioned control module is according to above-mentioned utilization rate, selectivity is stopped power supply or the above-mentioned electronic installation of frequency reducing or above-mentioned peripheral unit, to avoid power that above-mentioned input/output expander exported greater than above-mentioned peak power output.
4. electronic system as claimed in claim 1, wherein above-mentioned parameter comprises peak power and the minimum power of above-mentioned electronic installation and above-mentioned peripheral unit, so that above-mentioned control module is according to above-mentioned peak power with above-mentioned minimum power selectivity is stopped power supply or the above-mentioned electronic installation of frequency reducing or above-mentioned peripheral unit, to avoid power that above-mentioned input/output expander exported greater than above-mentioned peak power output.
5. electronic system as claimed in claim 1, wherein above-mentioned input/output expander communicates to be compatible to run quickly host-host protocol and the main frame of interface of thunder, when an external power supply anergy of above-mentioned main frame, above-mentioned input/output expander provides power supply to above-mentioned main frame.
6. electronic system as claimed in claim 1, wherein above-mentioned control module is arranged in above-mentioned electronic installation, above-mentioned input/output expander or the above-mentioned main frame.
7. electronic system as claimed in claim 1, wherein above-mentioned input/output expander and each above-mentioned electronic installation comprise respectively at least one power detector, in order to detect above-mentioned real-time power.
8. electronic system as claimed in claim 1, wherein above-mentioned electronic installation is stacked and placed on above-mentioned input/output expander with a direction, and communicates to be compatible to run quickly host-host protocol and the above-mentioned main frame of interface of thunder.
9. method for managing power supply, be applicable to have an electronic system of an input/output expander and at least one electronic installation, above-mentioned input/output expander and above-mentioned electronic installation couple with daisy chained, and above-mentioned input/output expander is coupled at least one peripheral unit, and above-mentioned method for managing power supply comprises:
Detect the real-time power of above-mentioned electronic installation and the real-time power of above-mentioned peripheral unit; And
Real-time power, a peak power output and a plurality of parameter according to the real-time power of above-mentioned electronic installation, above-mentioned peripheral unit, adjust the real-time power of above-mentioned electronic installation and above-mentioned peripheral unit, to avoid power that above-mentioned input/output expander exported greater than above-mentioned peak power output.
10. method for managing power supply as claimed in claim 9 also comprises by above-mentioned input/output expander providing power supply to above-mentioned electronic installation and/or above-mentioned peripheral unit.
11. method for managing power supply as claimed in claim 9, also comprise being compatible to the run quickly host-host protocol of interface of thunder and carry out communicating by letter between above-mentioned input/output expander and the main frame, wherein when an external power supply anergy of above-mentioned main frame, provide power supply to above-mentioned main frame by above-mentioned input/output expander.
12. method for managing power supply as claimed in claim 9, wherein above-mentioned parameter comprises a priority, so that above-mentioned control module stops power supply or the above-mentioned electronic installation of frequency reducing or above-mentioned peripheral unit according to above-mentioned priority selectivity, to avoid power that above-mentioned input/output expander exported greater than above-mentioned peak power output.
13. method for managing power supply as claimed in claim 9, wherein above-mentioned parameter comprises a utilization rate of above-mentioned electronic installation and above-mentioned peripheral unit, so that above-mentioned control module stops power supply or the above-mentioned electronic installation of frequency reducing or above-mentioned peripheral unit according to above-mentioned utilization rate selectivity, to avoid power that above-mentioned input/output expander exported greater than above-mentioned peak power output.
14. method for managing power supply as claimed in claim 9, wherein above-mentioned parameter comprises peak power and the minimum power of above-mentioned electronic installation and above-mentioned peripheral unit, so that above-mentioned control module is according to above-mentioned peak power with above-mentioned minimum power selectivity is stopped power supply or the above-mentioned electronic installation of frequency reducing or above-mentioned peripheral unit, to avoid power that above-mentioned input/output expander exported greater than above-mentioned peak power output.
15. method for managing power supply as claimed in claim 9, wherein above-mentioned control module is arranged in above-mentioned electronic installation, above-mentioned input/output expander or the above-mentioned main frame, and above-mentioned electronic installation communicates to be compatible to run quickly host-host protocol and the above-mentioned main frame of interface of thunder.
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| CN2011102812306A CN102999149A (en) | 2011-09-14 | 2011-09-14 | Electronic system and power supply management method |
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| CN2011102812306A CN102999149A (en) | 2011-09-14 | 2011-09-14 | Electronic system and power supply management method |
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Cited By (1)
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| CN108509010A (en) * | 2018-03-21 | 2018-09-07 | 联想(北京)有限公司 | Method of supplying power to and power supply system |
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Application publication date: 20130327 |