CN101425613A - Electric power source controlling method and portable apparatus using the method - Google Patents
Electric power source controlling method and portable apparatus using the method Download PDFInfo
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- CN101425613A CN101425613A CNA2007101345926A CN200710134592A CN101425613A CN 101425613 A CN101425613 A CN 101425613A CN A2007101345926 A CNA2007101345926 A CN A2007101345926A CN 200710134592 A CN200710134592 A CN 200710134592A CN 101425613 A CN101425613 A CN 101425613A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to a method for controlling the power supply of a DMB module according to the condition that whether the playing of digital multimedia broadcasting (DMB) is implemented, and a portable device adopting the method. When the portable device is guided, event signals which can cut off the electricity supply provided to the DMB module and can provide electricity supply to the DMB module if DMB is required to be watched are set according to a preset program, therefore, DMB can be watched. During the watching process, if the playing of the DMB is required to be stopped, the power supply is cut off according to the event signals for cutting off the power supply, thereby the power supply provided to the DMB module is cut off when the DMB module is not used, and the service time of the battery of the portable device can be prolonged.
Description
Technical field
The invention relates to mancarried device, it mainly is about to the control method of the power supply that provides and utilize the mancarried device of its method with being installed in choice of equipment in the mancarried device.
Background technology
Mancarried device is that characteristics are used in various consumers with mobility easily.Mancarried device like this also can utilize battery to use in the time can not utilizing commonly used AC power.Therefore mancarried device can not stick to fixed place.
But being installed in the mancarried device, the big equipment of electric quantity consumption such as nearest DMB (Digital Multimedia Broadcasting is designated hereinafter simply as DMB) module develop.Even having installed like this, the mancarried device of equipment is designed to not use the said equipment also to provide power supply to the said equipment.In view of the above, when mancarried device is worked in the past, has the problem that has reduced service time owing to unnecessary electrical source consumption under the startup of battery supply.
Summary of the invention
The objective of the invention is when not using the equipment that is installed in the mancarried device, providing the supply of cutting off the electricity supply power supply control method and utilize the mancarried device of this method.
Another object of the present invention is to provide controls power control method that prolongs battery service time and the mancarried device that utilizes its method to the power supply supply of equipment.
In order to reach above-mentioned purpose, power control method of the present invention comprises that driving operation handlebar supplies with the 1st stage that the power supply that is installed in intrasystem equipment is arranged to dissengaged positions, whether carry out with application program, the 2nd stage of power supply optionally is provided to the said equipment according to the said equipment.
Till above-mentioned power-off condition remains to before the application program of carrying out the said equipment.
For above-mentioned signal of cutting off the electricity supply is and above-mentioned ' HIGH ' voltage gradation identical with the direct current starting resistor.
Above-mentioned the 2nd stage comprised with the next stage: the stage of carrying out the application program of the said equipment; According to carrying out the said equipment application program, send the stage that the event signal of power supply is provided to the said equipment; According to above-mentioned event signal, send the stage that the power control signal of power supply is provided to the said equipment; With the stage that power supply is provided and starts to the said equipment according to above-mentioned power control signal.
Above-mentioned power control signal is ' LOW ' voltage gradation.
Above-mentioned the 2nd stage also comprised with the next stage: the stage that finishes the said equipment application program; According to the end of above-mentioned application program, send the stage of the event signal of the power supply supply of cutting off the said equipment; According to above-mentioned event signal, send the stage of the power control signal that cuts off the supply of the said equipment power supply; And according to above-mentioned power control signal, power supply of cut-out the said equipment and the stage that stops starting constitute.
Above-mentioned power control signal is ' HIGH ' voltage gradation.
Above-mentioned event signal by the WINDOWS management tool advanced configuration and the power supply interface in the application program that is provided with in BIOS, produce.
In order to reach above-mentioned purpose, utilize the mancarried device of power control method of the present invention to comprise: to be installed in intrasystem equipment; The switch module of the power supply supply of control the said equipment; In order optionally to provide power supply, and control the embedded controller of above-mentioned switch module to the said equipment; With whether send BIOS according to the execution of the said equipment for the signal of the power supply of controlling supply the said equipment to above-mentioned embedded controller.
The central processing unit that also comprises all modules in the control said system.
Above-mentioned signal is whether to carry out for the default signal of cutting off the said equipment power supply with according to the application program of the said equipment when said system drives, and the power control signal of the said equipment power supply optionally is provided.
Above-mentioned power control signal is ' HIGH ' level signal of supply the said equipment power supply when carrying out the application program of the said equipment, then is ' LOW ' level signal of cutting off the said equipment power supply when stopping the said equipment application program.
Above-mentioned BIOS comprises according to carrying out advanced configuration and the power supply interface whether the said equipment application program produces the WINDOWS management tool of above-mentioned default signal and event signal.
Above-mentioned embedded controller and above-mentioned switch module comprise that the general output needle that transmits above-mentioned power control signal constitutes.
The said equipment is mounted in the DMB module in the said system.
Above-mentioned switch module is the metal-oxide semiconductor (MOS) field effect transistor.
Above-mentioned metal-oxide semiconductor (MOS) field effect transistor comprises the gate terminal of importing above-mentioned power control signal and the drain terminal formation of applying for starting the direct current starting resistor source terminal of the said equipment and above-mentioned direct current starting resistor being provided to the said equipment according to the electric pressure of above-mentioned power control signal.
Above-mentioned switch module is Turn-OFF when above-mentioned power control signal is identical ' HIGH ' voltage gradation of above-mentioned direct current starting resistor, above-mentioned power control signal for ' then come transmission current during LOW ' voltage gradation for Turn-ON.
Above-mentioned switch module comprises that also cut-out is supplied to the direct current starting resistor of above-mentioned source terminal directly to put on the parts of above-mentioned drain terminal.
Above-mentioned parts are diode D1.
Above-mentioned switch module is the saturation resistance R1 that pulls into the identical voltage gradation of above-mentioned direct current starting resistor on the voltage gradation of above-mentioned power control signal when also being included in ' HIGH ' voltage gradation.
The present invention with above structure is not when using the equipment that is installed in the mancarried device, and the power supply supply of cutting off equipment reduces electric quantity consumption.
As mentioned above, the power supply supply that retrains when providing the switch module of power supply to cut off guiding for the DMB module that is installed in the mancarried device is provided in the present invention, and power supply is provided only for execution DMB module application program.In view of the above, the present invention's electric quantity consumption that can reduce battery prolongs the service time of mancarried device.
Description of drawings
Fig. 1 is the module structure drafting of the mancarried device of example according to the present invention.
Fig. 2 is the circuit diagram of the switch module that shows among Fig. 1.
Fig. 3 is the flow chart that the power control method of the example according to the present invention illustrates stage by stage.
The symbol description of major part in the accompanying drawing
10... input part 20... internal memory
30... hard disk 40... embedded controller
50...BIOS 60... switch module
70... connector 80...DMB module 90... battery
Embodiment
Below, with reference to the accompanying drawings to the power control method of example and use the mancarried device of its method to be described in detail according to the present invention.
Fig. 1 is the module structure drafting that utilizes the mancarried device of the power control method of example according to the present invention, and Fig. 2 then is the circuit diagram of the switch module that shows in Fig. 1.
In Fig. 1, mancarried device of the present invention (such as portable computers) inside possesses the DMB module 80 of accepting the DMB play signal.Above-mentioned DMB module 80 is by changing direct current starting resistor (VCC) startup of the power supply adaptor (not having picture) of using AC power always or the battery that charges 90 supplies.The VCC that starts such DMB module 80 optionally provides by switch module 60.Above-mentioned DMB module 80 is connected by connector 70 with switch module 60.
The power supply of above-mentioned switch module 60 managing portable formula device interior arrangements, and control by the embedded controller 40 that device was exported/gone in control.Above-mentioned embedded controller 40 applications come control switch module 60 for the power control signal that cuts off the VCC that offers DMB module 80.In other words, embedded controller 40 is the power control signal application ' HIGH ' voltage gradation when not using the DMB module, then applies for the voltage gradation into ' LOW ' when using DMB module 80.For this reason, switch module 60 and embedded controller 40 possess the general output that transmits power control signal separately and go into end (General Purpose Output Pin is designated hereinafter simply as GPO) and carry out interface each other.
In this example, the power control signal of embedded controller 40 like this is applied for according to default signal and event signal that BIOS50 produces.Above-mentioned BIOS50 executive operating system (Operating System) when starting mancarried device is come channeling conduct (Booting).Meanwhile, the connection status of BIOS50 check I/O device and peripheral machine, and carry out for its Power-On Self-Test (Power On Self Test).At this moment, BIOS50 produces for the above-mentioned default signal of the VCC that provides to DMB module 80 is provided according to the program that is provided with in advance.Above-mentioned default signal is applied at embedded controller 40, and is allowed it determine that the electric pressure of above-mentioned power control signal is ' HIGH ' grade.And, BIOS50 is when carrying out the application program of DMB module 80, the event signal of application for VCC being provided for above-mentioned DMB module 80, application when stopping executory above-mentioned application program then for the event signal of the direct current starting resistor that provides to DMB module 80 is provided.
For this reason, advanced configuration and power supply interface (the Advanced Configuration and Power Interface) that WINDOWS management tool (Windows Management Instrumentation) is set in the interface of BIOS50 and embedded controller 40 uses.And DMB module application program implementation and stop then utilizing the advanced configuration of above-mentioned WINDOWS management tool (WindowsManagement Instrumentation) and the function of power supply interface (AdvancedConfiguration and Power Interface) (being designated hereinafter simply as WMI-ACPI).
In this example, although understand above-mentioned default signal of transmission and event signal between BIOS50 and the embedded controller 40, but when portable computers etc. comprises a plurality of module, can individually possess the central processing unit (not having picture) of all systems of control.
Meanwhile as shown in Figure 1, in example of the present invention, possess the input part 10 of the operational order of accepting user's input and the hard disk 30 of above-mentioned DMB module application program of storage and various data, and possess the internal memory 20 of interim storage data when carrying out various program.
Below, with reference to Fig. 2 above-mentioned switch module is described in detail.
Above-mentioned switch module 60 has utilized P-type mos field effect transistor (Metal Oxide Semiconductor Field Effect Transistor) parts (being designated hereinafter simply as FET).Above-mentioned door terminal (G) is No. 3 pin (P3) that receives power control signal from embedded controller 40.Above-mentioned source terminal (D) is No. 4 pin (P4) that application starts the VCC of DMB module 80.And above-mentioned drain terminal (D) be by above-mentioned connector 70 provide VCC the 1st, 2,5, No. 6 pins (P1, P2, P5, P6).Meanwhile, possess that (P4 is S) to output (P1, P2, P5, P6) the direct diode (D1) of transmission current in order to prevent input from above-mentioned FET parts 60.
Because above-mentioned FET parts like this have the impedance voltage higher than transistor, electricity usage efficient is than transistor height so the door terminal flows electric current hardly.In this example, though used above-mentioned FET parts, also can use various control switches such as transistor or relay according to the device characteristics of power supply at switch module 60.
And the electric pressure that possesses the above-mentioned power control signal of pull-up between VCC and the power control signal circuit can remain on the 1st impedance (R1) of the voltage of ' HIGH ' grade identical with VCC.
Below, the detailed description of the power control method of example according to the present invention.Fig. 3 shows that in detail example is controlled the flow chart that the process of power supply is provided to the DMB module according to the present invention.It is to carry out by the embedded controller 40 that shows among Fig. 1.In the 10th stage of Fig. 3 (S10), start mancarried device by mains switch.At this moment, BIOS50 carries out guiding work.Then, in the 12nd stage (S12), BIOS50 is according to the program that is provided with in advance, transmit for default signal that the VCC that provides to DMB module 80 is provided to embedded controller 40.At this moment, the said procedure of carrying out in the guiding work of BIOS50 is designed to be cut to the fill order direct current starting resistor that offers DMB module 80 before of accepting to carry out DMB module 80 from the user.In view of the above, embedded controller 40 transmits ' HIGH ' grade power control signal for switch module 60 and can cut off the direct current starting resistor that offers DMB module 80.In view of the above, cut off switch module 60.With reference to Fig. 2, in No. 3 pin (P3) of switch module 60, above-mentioned ' HIGH ' grade power control signal is from embedded controller 40 applications.Meanwhile, in No. 4 pin (P4), application is in order to start the direct current starting resistor of DMB module 80.In view of the above, because ' HIGH ' grade power control signal of application is identical voltage gradation with the VCC that provides for drain terminal (D) in the door terminal (G) of above-mentioned FET parts, so do not produce voltage at door terminal (G).Promptly since from the source terminal (S) of above-mentioned FET parts to giving not transmission current of drain terminal (D), VCC is provided therefore can not for DMB module 80.
In the 16th stage (S16), embedded controller 40 checks whether have requirement to carry out the order of above-mentioned DMB module 80 application programs by input part 10.If imported above-mentioned fill order, embedded controller 40 is carried out the above-mentioned DMB module 80 that is stored in the hard disk 30.At this moment, above-mentioned DMB module 80 application programs require to provide in order to start the power supply of DMB module 80 to BIOS50 by WMI-ACPI.
Thus, BIOS50 produce for offer the DMB module 80 that requires from above-mentioned WMI-ACPI VCC's and the event signal that allows it can carry out DMB module 80 application programs send embedded controller 40 to.In view of the above, embedded controller 40 will be applied for ' LOW ' grade power control signal (S18) on switch module 60.Because this, in switch module 60, according to the VCC of source terminal (S) supply of giving above-mentioned FET parts with toward the voltage difference that produces between ' LOW ' grade power control signal of door terminal (G) input, electric current will flow to door terminal (G) from source terminal (S).In view of the above, above-mentioned electric current provides to DMB module 80 by connector 70 and starts DMB module 80 (S20).
On the other hand, in the 22nd stage, embedded controller 40 checks that whether having imported above-mentioned DMB module 80 application programs stops order.In the 24th stage (S24), stop order if imported above-mentioned DMB module 80 application programs, embedded controller 40 will stop above-mentioned DMB module 80 application programs.At this moment, above-mentioned DMB module 80 application programs utilize WMI-ACPI to require to cut off the power supply of providing for DMB module 80.In view of the above, BIOS50 produce according to stop that above-mentioned application program requires in order to cut off the event signal that VCC is provided to DMB module 80.Thus, in the 26th stage (S26), embedded controller 40 is applied for ' HIGH ' grade power control signals according to above-mentioned event signal at connector 70.At this moment in switch module 60, along with applying for ' HIGH ' grade power control signal at drain terminal (D), the voltage between source terminal (S) and the door terminal (G) also becomes the same and has cut off an electric current that flows to door terminal (G) from source terminal (S).Because this has cut off the startup of giving the VCC that DMB module 80 provides and stopping DMB module 80.
Pass through said process, the power control method of example and the program of mancarried device of utilizing its method according to the present invention by being provided with in advance among the BIOS50, the VCC that provides to DMB module 80 when cutting off guiding, if finish guiding then whether according to the execution of DMB module 80 application programs, the VCC that control provides for DMB module 80.
According to the experimental result of utilization according to the portable computers of the example of above explanation, if can use 2 hours 53 minutes when the VCC that provides to DMB module 80 is not provided above-mentioned portable computers, when being provided, then can use 3 hours 16 minutes the VCC that provides to DMB module 80.In view of the above, show, can prolong for about 13% battery service time according to the experimental result of example of the present invention.
In above-mentioned example, control BIOS50 and embedded controller 40 although understand the event signal that produces by WMI-ACPI, but can change into the various forms such as method of coming the control switch module according to the operation of push-button switch.And the present invention is not only DMB module 80, also be used in TV receiver etc. and be installed in the mancarried device, and the equipment of the various form that starts as required.
Like this, though the present invention is illustrated with reference to the accompanying drawing example, this is confined to illustrate, and its related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.Therefore, the technical scope of this invention is not limited to the content on the specification, must determine its technical scope according to interest field.Promptly in above-mentioned example, though power supply optionally supplied/cuts off be illustrated, but the present invention is when the power supply adaptor that connection conversion AC power commonly used provides, and when not using the equipment of interior dress, the power supply that cuts off the equipment that offers can reduce power consumption.
Claims (21)
1, a kind of power control method of mancarried device is characterized in that, this power control method comprises:
Be arranged to cut off the 1st stage that is installed in intrasystem device power supply (DPS) when driving operation; With whether, optionally to be provided for the said equipment in the 2nd stage of power supply according to the application program of carrying out the said equipment.
2, power control method as claimed in claim 1 is characterized in that, described cutting off the electricity supply remains to before the application program of carrying out the said equipment.
3, power control method as claimed in claim 1 is characterized in that, described signal of cutting off the electricity supply is ' HIGH ' voltage gradation identical with the direct current starting resistor.
4, power control method as claimed in claim 1 is characterized in that, described the 2nd stage comprises the stage of the application program of carrying out the said equipment;
According to carrying out the said equipment application program, send the stage that the event signal of power supply is provided to the said equipment;
According to above-mentioned event signal, send the stage that the power control signal of power supply is provided to the said equipment; With
The stage that provides power supply to start to the said equipment according to above-mentioned power control signal.
5, power control method as claimed in claim 4 is characterized in that, described power control signal is ' LOW ' voltage gradation.
6, power control method as claimed in claim 4 is characterized in that, described the 2nd stage also comprises the stage that finishes the said equipment application program;
According to the end of above-mentioned application program, send the stage of the event signal of the power supply supply of cutting off the said equipment;
According to above-mentioned event signal, send the stage of the power control signal that cuts off the supply of the said equipment power supply; With
According to above-mentioned power control signal, the stage that the power supply of cut-out the said equipment stops starting.
7, power control method as claimed in claim 6 is characterized in that, described power control signal is ' HIGH ' voltage gradation.
8, as claim 4 or 6 described power control methods, it is characterized in that, event signal by the WINDOWS management tool advanced configuration and the power supply interface in the application program that is provided with in BIOS, produce.
9, a kind of mancarried device that utilizes power control method is characterized in that, this device comprises: be installed in intrasystem equipment;
The switch module of the power supply supply of control the said equipment;
In order optionally to provide power supply, and control the embedded controller of above-mentioned switch module to the said equipment; With
Whether send BIOS according to the execution of the said equipment for the signal of the power supply of controlling supply the said equipment to above-mentioned embedded controller.
10, the mancarried device that utilizes power control method as claimed in claim 9 is characterized in that, this device also comprises the central processing unit of all modules in the control said system.
11, the mancarried device that utilizes power control method as claimed in claim 9, it is characterized in that, above-mentioned signal is whether to carry out for the default signal of cutting off the said equipment power supply with according to the said equipment application program when said system drives, and the power control signal of the said equipment power supply optionally is provided.
12, the mancarried device that utilizes power control method as claimed in claim 11 is characterized in that, is ' HIGH ' level signal of supply the said equipment power supply when carrying out the said equipment application program; Then ' LOW ' level signal of cutting off the said equipment power supply when stopping the said equipment application program.
13, the mancarried device that utilizes power control method as claimed in claim 9, it is characterized in that BIOS comprises according to carrying out advanced configuration and the power supply interface whether the said equipment application program produces the WINDOWS management tool of above-mentioned default signal and event signal.
14, the mancarried device that utilizes power control method as claimed in claim 9 is characterized in that, embedded controller and described switch module comprise the general output needle that transmits described power control signal.
15, the mancarried device that utilizes power control method as claimed in claim 9 is characterized in that, describedly is installed in intrasystem equipment and is mounted in described intrasystem DMB module.
16, the mancarried device that utilizes power control method as claimed in claim 9 is characterized in that, above-mentioned switch module is the metal-oxide semiconductor (MOS) field effect transistor.
17, the mancarried device that utilizes power control method as claimed in claim 16 is characterized in that, above-mentioned metal-oxide semiconductor (MOS) field effect transistor comprises the gate terminal of importing above-mentioned power control signal;
Application starts the direct current starting resistor source terminal of the said equipment; With
The drain terminal of above-mentioned direct current starting resistor is provided to the said equipment according to the electric pressure of above-mentioned power control signal.
18, the mancarried device that utilizes power control method as claimed in claim 16 is characterized in that, described switch module is Turn-OFF when above-mentioned power control signal is identical ' HIGH ' voltage gradation of described direct current starting resistor; Above-mentioned power control signal then comes transmission current for Turn-ON when being ' LOW ' voltage gradation.
19, the mancarried device that utilizes power control method as claimed in claim 16 is characterized in that, this device comprises that cut-out is supplied to the direct current starting resistor of described source terminal directly to put on the parts of described drain terminal.
20, the mancarried device that utilizes power control method as claimed in claim 19 is characterized in that, described parts are diode D1.
21, the mancarried device that utilizes power control method as claimed in claim 16, it is characterized in that above-mentioned switch module is the saturation resistance R1 that pulls into the identical voltage gradation of above-mentioned direct current starting resistor on the voltage gradation of above-mentioned power control signal when also being included in ' HIGH ' voltage gradation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101345926A CN101425613A (en) | 2007-11-02 | 2007-11-02 | Electric power source controlling method and portable apparatus using the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101345926A CN101425613A (en) | 2007-11-02 | 2007-11-02 | Electric power source controlling method and portable apparatus using the method |
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| Publication Number | Publication Date |
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| CN101425613A true CN101425613A (en) | 2009-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101345926A Pending CN101425613A (en) | 2007-11-02 | 2007-11-02 | Electric power source controlling method and portable apparatus using the method |
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| CN (1) | CN101425613A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068915A (en) * | 2015-08-10 | 2015-11-18 | 合肥联宝信息技术有限公司 | Power supply management device and method |
-
2007
- 2007-11-02 CN CNA2007101345926A patent/CN101425613A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068915A (en) * | 2015-08-10 | 2015-11-18 | 合肥联宝信息技术有限公司 | Power supply management device and method |
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Open date: 20090506 |