CN102053685B - Portable electronic device and power management method - Google Patents
Portable electronic device and power management method Download PDFInfo
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- CN102053685B CN102053685B CN 200910181089 CN200910181089A CN102053685B CN 102053685 B CN102053685 B CN 102053685B CN 200910181089 CN200910181089 CN 200910181089 CN 200910181089 A CN200910181089 A CN 200910181089A CN 102053685 B CN102053685 B CN 102053685B
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Abstract
The invention discloses a portable electronic device and a power management method. The power management method is applied to the portable electronic device. The portable electronic device is externally connected to an expansion device; the expansion device comprises at least one expansion unit; the power management method comprises the steps of: (A) enabling the portable electronic device to detect whether a control command is received, and if the control command is received, executing the step (B); (B) enabling the portable electronic device to transmit a control signal corresponding to the control command to the expansion device; and (C) enabling the expansion device to turn off at least one expansion unit according to the control signal so as to achieve the effect of saving electricity and energy.
Description
Technical field
The present invention relates to a kind of portable electron device, particularly relate to a kind of portable electron device of an external expanding device.
Background technology
Progress along with science and technology, people are increasing for the functional requirement of portable electron device (for example: mobile computer (Notebook), GPS (GPS), iPOD etc.), with mobile computer, people often expand its external expanding device (Dock) function of whole system, in expanding device, multiple expansion unit can be arranged, for example: USB Port, CD-ROM drive etc.
But, because the power source of whole expanding device is the battery that comes from the mobile computer, its electric power can be supplied with each expansion unit in the expanding device, although this expansion unit is not used, or can cause certain power consumption and affect service time of battery, therefore, how effectively closing the electric power of untapped expansion unit, is the emphasis place of this case.
Summary of the invention
Therefore, purpose of the present invention provides a kind of expanding device of can controlling and suspends supply electric power to the portable electron device of expansion unit wherein.
So, portable electron device of the present invention, be external in an expanding device (Dock), this expanding device has a power control circuit and at least one expansion unit, this power control circuit receives the electric power of portable electron device, and it is supplied to respectively this expansion unit, this portable electron device comprises: a power-supply unit and a microcontroller.
Power-supply unit is in order to supply portable electron device required electric power; Microcontroller sends a control signal that should steering order according to a steering order, and be sent to the power control circuit of expanding device, so that power control circuit switches to one second state with at least one expansion unit from one first state according to this control signal.
Further, the first state is that opening and the second state are closed condition, and namely microcontroller transfer control signal is to the power control circuit of expanding device, so that power control circuit is closed at least one expansion unit according to this control signal.
In addition, the power supply situation of the first state and the second state can be exchanged mutually, namely the first state is that closed condition and the second state are opening, be that microcontroller transfer control signal is to the power control circuit of expanding device, so that power control circuit is opened at least one expansion unit according to this control signal.
Preferably, portable electron device also comprises an input block, sends this steering order after it is touched.Further, input block is a keyboard, and the hot key (hot key) of the corresponding expansion unit of magnitude setting triggers for the user on this keyboard.
Preferably, portable electron device also comprises a transmission interface in order to transfer control signal and expanding device required electric power.Further, transmission interface has the System Management Bus (System Management Bus, SMbus) of a transfer control signal.
In addition, another object of the present invention is namely providing a kind of portable electron device control expanding device that can make to suspend supply electric power to the method for managing power supply of expansion unit wherein.
Method for managing power supply of the present invention, to be applied to a portable electron device, this portable electron device is external in an expanding device, this expanding device has at least one expansion unit, this method for managing power supply comprises: (A) make portable electron device detect and whether receive a steering order, if, execution in step (B) then; (B) make portable electron device transmit one with the control signal of corresponding steering order to expanding device; (C) make expanding device according to the control signal at least one expansion unit be switched to one second state from one first state, wherein this portable electron device comprises one in order to transmit the transmission interface of this control signal and this expanding device required electric power.
Preferably, the first state is that opening and the second state are closed condition, and namely this step (C) makes expanding device according to the control signal at least one expansion unit be closed.
In addition, the power supply situation of the first state and the second state can be exchanged mutually, and namely the first state is that closed condition and the second state are opening, and namely this step (C) makes expanding device according to the control signal at least one expansion unit be opened.
Preferably, the steering order in the step (A) is sent by the hot key in the portable electron device.
Preferably, portable electron device is will control signal by a System Management Bus (System Management Bus, SMbus) to be sent to expanding device in the step (B).
Effect of the present invention is, can utilize the stop supplies of portable electron device control expanding device wherein not need the electric power of the expansion unit that uses, to reach the effect of energy saving.
Description of drawings
Fig. 1 is a circuit block diagram, and the preferred embodiment of portable electron device of the present invention is described; And
Fig. 2 is a process flow diagram, and the management process of method for managing power supply of the present invention is described.
The reference numeral explanation
10～30 steps
100.......... portable electron device
200.......... expanding device
210.......... expansion unit
220.......... power control circuit
10........... power-supply unit
1............ AC transformer
2............ power-supply unit
21,22,23........... power pin
3............ input block
4............ microcontroller
5............ transmission interface
6............ record cell
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description below in conjunction with reference to the accompanying drawings a preferred embodiment, can clearly present.
Consult Fig. 1, Fig. 1 is the preferred embodiment of portable electron device 100 of the present invention, this portable electron device 100 can be mobile computer (Notebook), GPS (GPS), iPOD etc., and present embodiment is to be illustrated with mobile computer.In the present embodiment, portable electron device 100 is the functions that expand whole system by an external expanding device (Dock) 200, and have a plurality of expansion units 210 at expanding device 200, such as: CD-ROM drive (ODD), hard disk, input/output end port (I/O port) etc., each expansion unit 210 in the expanding device 100 can be opened or close to portable electron device 100 via user's control, to reach the effect of power management and power saving.
In the present embodiment, portable electron device 100 comprises a power-supply unit 10, an input block 3 and a microcontroller 4, and wherein power-supply unit 10 comprises an AC transformer (AC Adapter) 1 and one battery 2.
Power-supply unit 10 mainly is the required electric power of supply portable electron device 100, and electric power is wherein provided by AC transformer 1 or battery 2.AC transformer 1 is in order to receiving an alternating electromotive force and will export after its voltage transitions, with the required electric power of supply portable electron device 100; Battery 2 is to be made of one to several storage assemblies (cell) connection in series-parallel, but not as limit, and it is in order to storing electric power, with the required electric power of supply portable electron device 100.
Microcontroller 4 comprises embedded controller (Embedded Controller, EC), keyboard controller (Keyboard Controller, KBC) etc., in order to receiving steering order and to send a pair of control signal that should steering order to expanding device 200, and embedded controller wherein can switching controls AC transformer 1 or the required electric power of battery 2 supply portable electron devices 100.When the embedded controller of microcontroller 4 detects the user power lead (not shown) is plugged portable electron device 100, then can control the required electric power of AC transformer 1 supply portable electron device 100; Otherwise, when the embedded controller of microcontroller 4 detects without any power source, then can control the supply power source of being used as portable electron device 100 by battery 2.
In the present embodiment, include a power control circuit 220 and three expansion units 210 on the external expanding device 200 of portable electron device 100, namely be respectively input/output end port (for example: USB HUB, USB Port), CD-ROM drive and show that output port (for example: sequence digital video output (Serial Digital Video Output, SDVO)).Power control circuit 220 has power pin 21,22,23 corresponding to quantity and expansion unit 210, respectively with input/output end port, CD-ROM drive and show that output port is electrically connected, to provide each expansion unit 210 required electric power.
Consult Fig. 2, Fig. 2 is the process flow diagram of the method for managing power supply of portable electron device 100.At first, step 10, microcontroller 4 detects whether receive a steering order, if then execution in step 20.In the present embodiment, steering order is to be sent by the hot key on the keyboard by the user, and at least one expansion unit 210 of the corresponding control of each steering order, and the design of hot key is not limited, for example: the power supply of the power supply of Fn+F1 corresponding " input/output end port ", Fn+F2 corresponding " CD-ROM drive ", the power supply of Fn+F3 corresponding " demonstration output port ".Therefore, after the user pressed hot key, microcontroller 4 can detect steering order and execution in step 20 that should hot key.It is worth mentioning that input block 3 also can be a graphical user interface (Graphic User Interface, GUI), chooses at the inventory of interface for the user, is not limited with present embodiment.
In other words, the user presses its corresponding hot key (namely sending corresponding steering order) for the expansion unit 210 that does not need to use, then microcontroller 4 can send control signal that should hot key, so that power control circuit 220 will not need the power-off of the expansion unit 210 that uses, so to reach the effect of power and energy saving, especially when portable electron device 100 be by battery 2 be used as its supply electric power the source time, the power consumption that can also save battery 2.In addition, special instruction be, each hot key the quantity of expansion unit 210 of corresponding control, be not limited in one to one, can be revised as one-to-many or many-one according to different demands, be not limited with present embodiment.
Yet the power supply situation of the first state and the second state can be exchanged mutually, and namely the first state is that closed condition and the second state are opening.Therefore, when the user need to use this expansion unit 210 once again, only need press once again this hot key (or dispose another start hot key), then microcontroller 4 namely can send the control signal so that power control circuit 220 again supply should expansion unit 210 required electric power.
In other words, when portable electron device 100 external expanding device 200, expansion unit 210 in the expanding device 200 may be for Close All (unavailability electric power) or is partly closed at this moment, can utilize above-mentioned steps so equally, send steering order by the hot key that triggers on (pressing) keyboard, so that microcontroller 4 is opened (namely supplying its electric power) according to this steering order control power control circuit 220 with the expansion unit 210 that originally is closed condition.In addition, portable electron device 100 also comprises a record cell 6 that is coupled to microcontroller 4, in order to record the state of expansion unit 210, it can change by the software set of keyboard controller in the microcontroller 4, for example can set record and be the state of a front expanding device 200 each expansion unit 210 when pulling away portable electron device 100, so, when user's next time during external expanding device 200, can possess and front once identical state, need not reset.
In sum, portable electron device 100 of the present invention is by the hot key of corresponding each expansion unit 210 of configuration, so that the user can be with the expansion unit 210 that do not need to use by pressing hot key with its power-off, reaching the effect of power and energy saving, and also increased the service time of battery 2.
The above is preferred embodiment of the present invention only, and can not limit scope of the invention process with this, and all simple equivalences of doing according to claim of the present invention and invention description content change and modify, and all still belongs in the scope that patent of the present invention contains.
Claims (13)
1. a method for managing power supply is applied to a portable electron device, and this portable electron device can couple with an expanding device, and this expanding device has at least one expansion unit, and this method for managing power supply comprises:
(A) make this portable electron device detect and whether receive a steering order, if, execution in step (B) then;
(B) make this portable electron device transmit a pair of control signal that should steering order to this expanding device; And
(C) make this expanding device should switch to one second state from one first state by at least one expansion unit according to this control signal,
Wherein this portable electron device comprises one in order to transmitting the transmission interface of this control signal and this expanding device required electric power, and
Described portable electron device comprises an embedded controller, and this embedded controller can switching controls AC transformer or the required electric power of the described portable electron device of battery supplied.
2. according to method for managing power supply claimed in claim 1, wherein, this first state is opening, and this second state is closed condition, and this step (C) makes this expanding device should close by at least one expansion unit according to this control signal.
3. according to method for managing power supply claimed in claim 1, wherein, this first state is closed condition, and this second state is opening, and this step (C) makes this expanding device should open by at least one expansion unit according to this control signal.
4. according to claim 2 or 3 described method for managing power supply, wherein, this steering order is sent by the hot key in this portable electron device.
5. according to method for managing power supply claimed in claim 4, wherein, this portable electron device is should control signal by a System Management Bus to be sent to this expanding device in this step (B).
6. portable electron device, can couple with an expanding device, this expanding device has a power control circuit and at least one expansion unit, this power control circuit receives the electric power that this portable electron device provides, and it is supplied to this at least one expansion unit, this portable electron device comprises:
One power-supply unit is in order to supply electric power to this portable electron device; And
One microcontroller, send a control signal that should steering order according to a steering order, and be sent to the power control circuit of this expanding device, so that this power control circuit should switch to one second state from one first state by at least one expansion unit according to this control signal, wherein
Described microcontroller comprises an embedded controller, and this embedded controller can switching controls AC transformer or the required electric power of the described portable electron device of battery supplied.
7. according to portable electron device claimed in claim 6, wherein, this first state is opening, this second state is closed condition, this microcontroller transmits this control signal to the power control circuit of this expanding device, so that this power control circuit should be closed by at least one expansion unit according to this control signal.
8. according to portable electron device claimed in claim 6, wherein, this first state is closed condition, this second state is for opening electricity condition, this microcontroller transmits this control signal to the power control circuit of this expanding device, so that this power control circuit should be opened by at least one expansion unit according to this control signal.
9. according to claim 7 or 8 described portable electron devices, also comprise an input block, it can be touched to send this steering order.
10. according to portable electron device claimed in claim 9, wherein, this input block is a keyboard, and magnitude setting is to hot key that should expansion unit on this keyboard, and it is touched and send this steering order.
11. according to portable electron device claimed in claim 10, also comprise one in order to transmit the transmission interface of this control signal and this expanding device required electric power.
12. according to the described portable electron device of claim 11, wherein, this transmission interface has the System Management Bus of this control signal of transmission.
13. according to the described portable electron device of claim 12, also comprise a record cell that is coupled to this microcontroller, in order to record in this expanding device the respectively state of this expansion unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910181089 CN102053685B (en) | 2009-10-28 | 2009-10-28 | Portable electronic device and power management method |
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| CN 200910181089 CN102053685B (en) | 2009-10-28 | 2009-10-28 | Portable electronic device and power management method |
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| CN102053685A CN102053685A (en) | 2011-05-11 |
| CN102053685B true CN102053685B (en) | 2013-04-03 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1224186A (en) * | 1998-01-21 | 1999-07-28 | 新汉电脑股份有限公司 | Computer system with plurality of respectively controlled power supply zones |
| CN2938209Y (en) * | 2006-02-14 | 2007-08-22 | 伦飞电脑实业股份有限公司 | Electric saving system |
| CN101093416A (en) * | 2006-06-23 | 2007-12-26 | 技嘉科技股份有限公司 | Computer and energy saving method |
| CN101526841A (en) * | 2008-03-06 | 2009-09-09 | 华硕电脑股份有限公司 | Computer system and power saving method |
-
2009
- 2009-10-28 CN CN 200910181089 patent/CN102053685B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1224186A (en) * | 1998-01-21 | 1999-07-28 | 新汉电脑股份有限公司 | Computer system with plurality of respectively controlled power supply zones |
| CN2938209Y (en) * | 2006-02-14 | 2007-08-22 | 伦飞电脑实业股份有限公司 | Electric saving system |
| CN101093416A (en) * | 2006-06-23 | 2007-12-26 | 技嘉科技股份有限公司 | Computer and energy saving method |
| CN101526841A (en) * | 2008-03-06 | 2009-09-09 | 华硕电脑股份有限公司 | Computer system and power saving method |
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| CN102053685A (en) | 2011-05-11 |
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