CN101388680A - Portable electronic device and electricity saving method - Google Patents

Portable electronic device and electricity saving method Download PDF

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Publication number
CN101388680A
CN101388680A CNA2007100458611A CN200710045861A CN101388680A CN 101388680 A CN101388680 A CN 101388680A CN A2007100458611 A CNA2007100458611 A CN A2007100458611A CN 200710045861 A CN200710045861 A CN 200710045861A CN 101388680 A CN101388680 A CN 101388680A
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China
Prior art keywords
storage element
portable electronic
electronic devices
controller
power supply
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Pending
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CNA2007100458611A
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Chinese (zh)
Inventor
胡孝光
曹丽红
王红军
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Inventec Appliances Nanjing Corp
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Inventec Appliances Nanjing Corp
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Priority to CNA2007100458611A priority Critical patent/CN101388680A/en
Publication of CN101388680A publication Critical patent/CN101388680A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a portable electronic device and a method for saving electricity. The method for saving electricity is suitable for software controllers which utilize the portable electronic device to control switching to provide a system power supply for a storage unit, wherein a switch is arranged between the storage unit and the system power supply and is controlled by a switch controller. The method comprises: firstly, receiving a first control signal by the switch controller and switching the state according to the control signal. The software controllers remove the storage unit from a system of the portable electronic device according to the state of the switch controller. The software controllers control the switch to disconnect to provide the system power supply for the storage unit, and thereby the effect of saving the electricity can be achieved.

Description

Portable electronic devices and electricity saving method thereof
Technical field
The present invention is relevant for a kind of portable electronic devices, and particularly relevant for a kind of portable electronic devices and electricity saving method thereof.
Background technology
Along with scientific and technological progress, electronic product is also day by day popularized.Wherein, (Personal Digital Assistant, PDA) etc. portable electronic product is subjected to numerous users' welcome especially with the advantage of compact and functional diversification for mobile phone, notebook computer (Note Book), personal digital assistant.Yet in order to prolong its service time under the situation that does not influence the electronic product normal operation, to increase elasticity and the convenience that electronic product uses, it is extremely important that the problem of its power consumption promptly seems.
In general, portable electronic devices can get off to reduce power consumption by entering standby or resting state.But, portable electronic devices all requires to support rank configuration and power supply interface (AdvancedConfiguration and Power Interface for hardware and system, ACPI) or advance to connect power management (Advanced PowerManagement, APM), if supporting the function of using standby or dormancy in bad hardware or the system by force, be easy to cause the data loss in the portable electronic devices, or cause system's instability.
In addition, portable electronic devices under standby or resting state, being connected between the storage device (for example hard disk) that does not cut off its configuration and the system power supply, therefore, even enter standby or resting state, its storage device still can consumed power, and shortens the service time of portable electronic devices.
On the other hand, portable electronic devices nearly all adopts non-volatile random access memory (Non-Volatile Random Access Memory is hereinafter to be referred as NVRAM) as the media of data storage, comprises store operation system and other application software.But the storage area of NVRAM is less, is difficult to satisfy the demand of user for big capacity data storage.Therefore, need the practice that can have big capacity storage area and low-power consume concurrently, can solve present user for the usefulness of portable electronic product and the demand of endurance, and promote competitiveness of product.
Summary of the invention
In view of this, the invention provides a kind of portable electronic devices and electricity saving method thereof, can reduce the power consumption of portable electronic devices by this, also can increase the storage area of portable electronic devices.
The present invention proposes a kind of portable electronic devices.This portable electronic devices comprises memory cell, storage element, switch, on-off controller and software controller.Wherein, memory cell is in order to performed system program and the operating system of storage portable electronic devices, and storage element then is in order to store the data of portable electronic devices.Switch is disposed between the system power supply and storage element of portable electronic devices, and in order to be switched on or switched off the system power supply that offers storage element.On-off controller is to switch its state in order to receive control signal, and the switching of control switch.Software controller then is the state in order to the foundation on-off controller, is connecting system power supply rear drive storage element, or after removing storage element the parting system power supply.
In an embodiment of the present invention, above-mentioned control signal in order to the control storage element enter operating state and resting state one of them.In addition, when above-mentioned state at on-off controller was connection, software controller meeting control switch controller was with switch connection, to provide system power supply to storage element.And provide system power supply to storage element after, software controller just can be written into driver memory cell to drive storage element.
In an embodiment of the present invention, when above-mentioned state at on-off controller was disconnection, software controller can remove storage element.And after removing storage element, software controller can the control switch controller disconnect switch, to stop providing system power supply to storage element.
In an embodiment of the present invention, above-mentioned memory cell is a non-volatile random access memory.In addition, above-mentioned non-volatile random access memory comprise NAND gate flash memory (NAND Flash Memory), NOR gate flash memory (NOR Flash Memory) and the programmble read only memory PROM of can erasing (ElectricallyErasable Programmable Read Only Memory, EEPROM) one of them.In addition, above-mentioned storage element is the Portable hard disk, and portable electronic devices comprise mobile phone or personal digital assistant (PersonalDigital Assistant, PDA).
From another viewpoint, the present invention proposes a kind of electricity saving method of portable electronic devices, be suitable for utilizing the software controller of portable electronic devices to come control switch to switch the system power supply that offers storage element, wherein above-mentioned open relation is disposed between storage element and the system power supply, and is controlled by on-off controller.At first, on-off controller receives first control signal, and switches its state according to this.Afterwards, software controller removes storage element according to the state of on-off controller in the system of portable electronic devices.At last, the software controller control switch disconnects the system power supply that offers storage element.
In an embodiment of the present invention, when above-mentioned state at on-off controller was disconnection, software controller can remove storage element.And after removing storage element, software controller can the control switch controller disconnect switch, to stop providing system power supply to storage element.
In an embodiment of the present invention, above-mentionedly after disconnecting the step of the system power supply offer storage element, the software controller control switch also comprises by on-off controller receiving second control signal, and switching state according to this.Then again by on-off controller with switch connection, to provide system power supply to storage element.Then, software controller then can drive storage element again according to the state of on-off controller.
In an embodiment of the present invention, above-mentioned first control signal enters resting state in order to the control storage element, and second control signal system enters operating state in order to the control storage element.
In an embodiment of the present invention, when above-mentioned state at on-off controller was connection, software controller meeting control switch controller was with switch connection, to provide system power supply to storage element.And after providing system power supply, driver is written into the memory cell of portable electronic devices to drive storage element by software controller again to storage element.In addition, be written into driver to memory cell at software controller, the system of portable electronic devices can discern storage element.
The present invention is by deploy switch between storage element and system power supply, and utilizes on-off controller and software controller to come the conducting and the disconnection of control switch.Wherein, when control switch when disconnecting, then cut off being connected between storage element and the system power supply, to reach the effect of power saving; And when control switch when connecting, then connect being connected between storage element and the system power supply, and utilized the storage area of storage element.Thus, when not needing to store data, the system power supply that can will offer storage element is closed fully, and reaches less electricity consumption.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is the calcspar of the portable electronic devices that illustrates according to one embodiment of the invention.
Fig. 2 is a schematic diagram of implementing the electricity saving method of the upright portable electronic devices that is illustrated according to the present invention one.
Fig. 3 is the electricity saving method flow chart of the portable electronic devices that illustrates according to one embodiment of the invention.
Fig. 4 is the electricity saving method flow chart of the portable electronic devices that illustrates according to another embodiment of the present invention.
Embodiment
General portable electronic devices does not disconnect being connected really between its storage device and the system power supply in practical application, makes portable electronic devices under standby or resting state, still can continue power consumption.Therefore, in order to solve the power consumption problem of portable electronic devices, the present invention proposes a kind of portable electronic devices and electricity saving method thereof.In order to make content of the present invention more clear, below the example that can implement according to this really as the present invention especially exemplified by embodiment.
Fig. 1 is the calcspar of the portable electronic devices that illustrates according to one embodiment of the invention.Please refer to Fig. 1, portable electronic devices 100 comprises memory cell 110, storage element 120, switch 130, on-off controller 140, software controller 150 and system power supply 160.Wherein, portable electronic devices 100 for example is that (Personal Digital Assistant PDA), does not limit its scope for mobile phone or personal digital assistant.
Memory cell 110 is in order to store portable electronic devices 100 performed system program and operating system.Wherein, memory cell 110 is right and wrong door flash memory (NAND Flash Memory), NOR gate flash memory (NOR Flash Memory) programmble read only memory PROM (the ElectricallyErasable Programmable Read Only Memory that maybe can erase for example, non-volatile easy assess memorizer (Non-Volatile Random Access Memory such as EEPROM), NVRAM), also do not limit its scope.
Storage element 120 is in order to store the data of portable electronic devices 100.In this embodiment, storage element 120 for example is the Portable hard disk.Switch 130 is disposed between the system power supply 160 and storage element 120 of portable electronic devices 100, in order to be switched on or switched off the system power supply 160 that offers storage element 120.
On-off controller 140 switches its state according to this in order to receive control signal, and the switching of control switch 130.Wherein, above-mentioned control signal for example can in order to control storage element 120 enter operating state and resting state one of them.For instance, if control signal is " control storage element 120 enters operating state ", on-off controller 140 will switch to on-state, so that switch 130 is connected the system power supply 160 that offers storage element 120.If control signal is " control storage element 120 enters resting state ", 140 of on-off controllers can switch to off-state, so that switch 130 disconnects the system power supply 160 that offers storage element 120.
Software controller 150 drives or removes storage element 120 in order to the state (for example connecting or off-state) of foundation on-off controller 140, comprising connecting rear drive storage elements 120, or remove back parting system power supply 160 at storage element 120 in system power supply 160.
For instance, portable electronic devices 100 is under the state that normal device starts, and when the state of on-off controller 140 was connection, 150 control switch controllers of software controller 140 were connected switches 130, to provide system power supply 160 to storage element 120.After system power supply 160 is offered storage element 120, software controller 150 can be written into the driver of storage element 120 memory cell 110 to drive storage element 120, make the system of portable electronic devices 100 can identify storage element 120, and use storage element 120 to carry out the access action of data.
On the other hand, when the state of on-off controller 140 was disconnection, software controller 150 removed earlier storage element 120 from portable electronic devices 100, and stops the driver of storage element 120.Afterwards, software controller 150 is control switch controller 140 cut-off switch 130 again, offer the system power supply 160 of storage element 120 with termination, and reach the purpose of the power consumption that reduces portable electronic devices 100.
In this embodiment, portable electronic devices 100 is under the state of normal boot-strap, and system program and operating system all are to be carried out by memory cell 110, and storage element 120 then is to look " situation " to start.Therefore, when portable electronic devices 100 enters standby or resting state, can not cause too much power loss; And when portable electronic devices 100 need store data, drive storage element 120 more again and return operating state and get final product.
Fig. 2 is the schematic diagram of the electricity saving method of the portable electronic devices that illustrates according to one embodiment of the invention.Please refer to Fig. 2, whether be see through hardware partly (as the on-off controller 140 of Fig. 1) 210 controls, and software (as the software controller 150 of Fig. 1) the 220th partly if being connected between storage element and the system power supply (not illustrating), according to hardware partly 210 state select to disconnect or connect the system power supply that offers storage element.By finding out among Fig. 2 that in hardware part 210, on-off controller comprises disconnection and connects two states.When on-off controller was on-state, software partly 220 can be connected the system power supply that offers storage element earlier, is written into driver afterwards again to drive storage element, so that portable electronic devices can identify storage element, and the data of access storage element; When on-off controller was off-state, software partly 220 can remove storage element earlier, saw through the on-off controller control switch afterwards again and disconnected the system power supply that offers storage element.
Can summarize a kind of electricity saving method of portable electronic devices by the foregoing description, describe in detail for an embodiment again with next.Fig. 3 is the electricity saving method flow chart of the portable electronic devices that illustrates according to one embodiment of the invention.This electricity saving method is suitable for utilizing an on-off controller control switch that is disposed in the portable electronic devices to switch the system power supply that offers storage element.Wherein, above-mentioned switch is disposed between storage element and the system power supply, and is controlled by on-off controller.Please refer to Fig. 3, at first in step S310, on-off controller receives control signal, and switches its state according to this.In this embodiment, this control signal for example is to enter resting state in order to the control storage element.And after on-off controller receives this control signal, promptly its state can be switched to off-state.
In step S320, software controller removes storage element according to the state of on-off controller in the system of portable electronic devices.In detail, when software controller judges that the state of on-off controller is disconnection, storage element can be removed from the system of portable electronic devices, and stop the driver of storage element.Afterwards, in step S330, software controller can see through the system power supply disconnection that the on-off controller control switch will offer storage element.At this moment, the system power supply of portable electronic devices just need not additionally offer storage element, therefore, can reduce the power consumption of portable electronic devices.
What value was carried is that above-mentioned control signal for example is to produce voluntarily via user's input generation or by portable electronic devices.In detail, the user can the mode of a certain element produces this control signal on the portable electronic devices through pushing; On the other hand, when portable electronic devices itself enters standby or resting state, also can produce this control signal automatically, make portable electronic devices more can reach the effect of power saving.
In order more clearly to describe each step of above-mentioned electricity saving method, below the detailed process of electricity saving method of the present invention is described for an embodiment again.Fig. 4 is the electricity saving method flow chart of the portable electronic devices that illustrates according to another embodiment of the present invention.Please merge with reference to Fig. 1 and Fig. 4, in step S410, on-off controller 140 receives first control signal, and switches its state according to this.In this embodiment, first control signal for example is to enter resting state in order to control storage element 120, and after on-off controller 140 receives this first control signal, promptly its state can be switched to off-state.
Afterwards, in step S420, software controller 150 can remove storage element 120 according to the state of on-off controller 140 in the system of portable electronic devices 100, and at the same time, software controller 150 also can stop the driver of storage device 120.Wherein, the process that software controller 150 removes storage element 120 just is similar to the process that is generally removed external device by safety in the computer system, so its detailed content does not repeat them here.
In step S430, storage element 120 removes from the system of portable electronic devices 100, and this moment, software controller 150 will see through the system power supply 160 that 130 disconnections of on-off controller 140 control switchs offer storage element 120.At this moment, storage element 120 enters resting state, and cuts off really being connected between storage element and the system power supply.Thus, portable electronic devices 100 need not provide extra system power supply 160 to storage element 120, can reduce power consumption.
Next, when needing to use storage element 120 to come the access data, then must allow storage element 120 revert to operating state as if portable electronic devices 100.For example can produce second control signal and be sent to on-off controller 140 in the mode of pressing keys this moment by the user.And in step S440, when on-off controller 140 receives this second control signal, promptly can switch its state.In this embodiment, second control signal for example is to enter operating state in order to control storage element 120, and after on-off controller 140 receives second control signal, promptly its state can be switched to on-state.In step S450, because on-off controller 140 is an on-state, therefore, software controller 150 promptly can be connected switch 130 according to state (on-state) the control switch controller 140 of on-off controller 140, so that system power supply 160 is offered storage element 120.
Then, in step S460, software controller 150 can be written into driver the memory cell 110 of portable electronic devices 100, makes portable electronic devices 100 can drive storage element 120 again.Afterwards, the system of portable electronic devices 100 just can identify storage element 120, and storage element 120 is carried out the action of data access.
Hold above-mentionedly, when portable electronic devices 100 finishes access action to storage element 120, can repeat step S410 ~ S430 again, enter resting state once more, to reach the effect of power saving.
In sum, portable electronic devices of the present invention and electricity saving method thereof have following advantage at least:
1. utilize on-off controller to receive user's button input or the signal that system produces automatically, drive or remove storage element according to this, can reach the effect that has low power consumption concurrently and increase the storage area.
2. by memory unit stores and carry out required operating system of portable electronic devices and system program, when not having big capacity data storage demand, the system power supply that offers storage element is closed, to reduce the loss of electric energy.
3. deploy switch between system power supply and storage element directly cuts off being connected between system power supply and the storage element, and then reaches the effect of power saving.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention defines and is as the criterion when looking accompanying claim.

Claims (20)

1. portable electronic devices comprises:
One memory cell is in order to store performed system program of this portable electronic devices and an operating system;
One storage element is in order to store a data of this portable electronic devices;
One switch is disposed between the system power supply and this storage element of this portable electronic devices, in order to be switched on or switched off this system power supply that offers this storage element;
One on-off controller in order to receiving a control signal, and switches its state, and controls the switching of this switch; And
One software controller in order to the state according to this on-off controller, is being connected this this storage element of system power supply rear drive, or disconnect this system power supply after being removed this storage element.
2. portable electronic devices as claimed in claim 1 is characterized in that, this control signal in order to control this storage element enter operating state and resting state one of them.
3. portable electronic devices as claimed in claim 1 is characterized in that, the state that this software controller is included in this on-off controller is controlled this on-off controller and connected this switch, to provide this system power supply to this storage element when connecting.
4. portable electronic devices as claimed in claim 3, it is characterized in that, this software controller is included in this on-off controller and connects this switch, after providing this system power supply to this storage element, be written into a driver to this memory cell to drive this storage element.
5. portable electronic devices as claimed in claim 1 is characterized in that, the state that this software controller is included in this on-off controller removes this storage element when disconnecting.
6. portable electronic devices as claimed in claim 5 is characterized in that, after this software controller is included in and removes this storage element, controls this on-off controller and disconnects this switch, to stop providing this system power supply to this storage element.
7. portable electronic devices as claimed in claim 1 is characterized in that, this memory cell is a non-volatile random access memory.
8. portable electronic devices as claimed in claim 7 is characterized in that, this non-volatile random access memory comprise NAND gate flash memory, NOR gate flash memory and can erase the programmable read only memory one of them.
9. portable electronic devices as claimed in claim 1 is characterized in that, this storage element is the Portable hard disk.
10. portable electronic devices as claimed in claim 1 is characterized in that, comprises mobile phone or personal digital assistant.
11. the electricity saving method of a portable electronic devices, be suitable for utilizing a software controller of a portable electronic devices to control the system power supply that switch switching offers a storage element, wherein this open relation is disposed between this storage element and this system power supply, and controlled by an on-off controller, this method comprises the following steps:
This on-off controller receives first control signal, and switches its state according to this;
This software controller removes this storage element in the system of this portable electronic devices certainly according to the state of this on-off controller; And
This software controller is controlled this switch and is disconnected this system power supply that offers this storage element.
12. the electricity saving method of portable electronic devices as claimed in claim 11 is characterized in that, the state that this software controller is included in this on-off controller removes this storage element when disconnecting.
13. the electricity saving method of portable electronic devices as claimed in claim 12 is characterized in that, after this software controller is included in and removes this storage element, controls this on-off controller and disconnects this switch, to stop providing this system power supply to this storage element.
14. the electricity saving method of portable electronic devices as claimed in claim 11 is characterized in that, after this software controller is controlled the step that this switch disconnects this system power supply that offers this storage element, also comprises:
This on-off controller receives second control signal, and switches its state according to this;
This on-off controller is connected this switch, to provide this system power supply to this storage element; And
This software controller drives this storage element again according to the state of this on-off controller.
15. the electricity saving method of portable electronic devices as claimed in claim 14 is characterized in that, the state that this software controller is included in this on-off controller is controlled this on-off controller and is connected this switch, to provide this system power supply to this storage element when connecting.
16. the electricity saving method of portable electronic devices as claimed in claim 15, it is characterized in that, this software controller is included in this on-off controller and connects this switch, after providing this system power supply to this storage element, be written into a driver to a memory cell of this portable electronic devices to drive this storage element.
17. the electricity saving method of portable electronic devices as claimed in claim 16 is characterized in that, this software controller be written into this driver to this memory cell with the step that drives this storage element after, also comprise:
This storage element of system identification by this portable electronic devices.
18. the electricity saving method of portable electronic devices as claimed in claim 14 is characterized in that, this first control signal enters resting state in order to control this storage element, and this second control signal then enters operating state in order to control this storage element.
19. the electricity saving method of portable electronic devices as claimed in claim 11 is characterized in that, this storage element is the Portable hard disk.
20. the electricity saving method of portable electronic devices as claimed in claim 11 is characterized in that, this portable electronic devices comprises mobile phone or personal digital assistant.
CNA2007100458611A 2007-09-12 2007-09-12 Portable electronic device and electricity saving method Pending CN101388680A (en)

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Application Number Priority Date Filing Date Title
CNA2007100458611A CN101388680A (en) 2007-09-12 2007-09-12 Portable electronic device and electricity saving method

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Application Number Priority Date Filing Date Title
CNA2007100458611A CN101388680A (en) 2007-09-12 2007-09-12 Portable electronic device and electricity saving method

Publications (1)

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CN101388680A true CN101388680A (en) 2009-03-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102460371A (en) * 2009-04-30 2012-05-16 网络存储技术公司 Flash-based data archive storage system
CN101887300B (en) * 2009-05-13 2012-10-10 微盟电子(昆山)有限公司 Computer system with power-supply control and power-supply control method
CN105302735A (en) * 2014-06-04 2016-02-03 仁宝电脑工业股份有限公司 Management method of hybrid storage unit and electronic apparatus having the hybrid storage unit
CN103809994B (en) * 2012-11-13 2017-03-15 光宝电子(广州)有限公司 Solid state storage device and its sleep control circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102460371A (en) * 2009-04-30 2012-05-16 网络存储技术公司 Flash-based data archive storage system
CN101887300B (en) * 2009-05-13 2012-10-10 微盟电子(昆山)有限公司 Computer system with power-supply control and power-supply control method
CN103809994B (en) * 2012-11-13 2017-03-15 光宝电子(广州)有限公司 Solid state storage device and its sleep control circuit
CN105302735A (en) * 2014-06-04 2016-02-03 仁宝电脑工业股份有限公司 Management method of hybrid storage unit and electronic apparatus having the hybrid storage unit

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Open date: 20090318