CN106598195A - Method for performing power consumption control, and associated apparatus - Google Patents
Method for performing power consumption control, and associated apparatus Download PDFInfo
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- CN106598195A CN106598195A CN201610621752.9A CN201610621752A CN106598195A CN 106598195 A CN106598195 A CN 106598195A CN 201610621752 A CN201610621752 A CN 201610621752A CN 106598195 A CN106598195 A CN 106598195A
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- power consumption
- consumption control
- electric current
- electronic installation
- battery
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3212—Monitoring battery levels, e.g. power saving mode being initiated when battery voltage goes below a certain level
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- General Engineering & Computer Science (AREA)
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Abstract
A method for performing power consumption control is provided, where the method is applied to an electronic device. The method includes: sensing a current on a current path between a battery and at least one portion of the electronic device by performing sampling operations to generate a plurality of samples; performing calculation on the samples to monitor the current; and based upon the calculation, when it is detected that the current reaches a predetermined threshold, triggering the battery into a second mode from a first mode. An associated apparatus is also provided.
Description
Technical field
The present invention is related to the power management mechanism of electronic installation, particularly with regard to a kind of power consumption control method and its dress
Put.
Background technology
In the prior art, portable electron device (for example, multifunctional mobile telephone, personal digital assistant, panel computer
Deng) for terminal use it is highly useful.Typically, in order to a variety of purposes can respectively on portable electron device
The different application of operation.Some problems can then be produced when the design of the portable electron device and these applications is improper.For example,
Program module can enable the specific wireless transfer function of (enable) portable electron device, when the program module is not being forbidden
(disable) the specific wireless transfer function and when being changed into idle (inactive), it is unnecessary that the wireless transmission function may cause
Power consumption, this is rapidly consumed the dump energy of the battery of the portable electron device.Again for example, a kind of application may be opened
The particular sensor unit of the portable electron device is opened, is terminated the particular sensor unit is not turned off when this is applied
When, as transmitting element is not turned off, the particular sensor unit may cause unnecessary power consumption.Sum it up, existing skill
Do not have services end users well in art.Accordingly, it would be desirable to a kind of novel method, to the power consumption control for strengthening electronic installation
System.
The content of the invention
In view of this, the present invention provides a kind of power consumption control method and its device to solve the above problems.
The present invention provides a kind of power consumption control method, is applied to electronic installation, and the power consumption control method includes：By performing
Sampling operation senses an at least current path between battery and at least a portion of the electronic installation producing multiple samples
An at least electric current；The plurality of sample is calculated to monitor an at least electric current；And the calculating is based on, when detecting this extremely
When a few electric current reaches predetermined threshold value, trigger the battery and second mode is entered from first mode.
The present invention separately provides a kind of power consumption control apparatus, and the power consumption control apparatus include at least a portion of electronic installation,
The power consumption control apparatus include：Current sense circuit, by performing sampling operation to produce multiple samples, the current sense circuit
To at least electric current for sensing at least current path between battery and at least a portion of the electronic installation；Control mould
Block, is monitored an at least electric current to calculate to the plurality of sample, wherein based on the calculating, when detect this at least one
When electric current reaches predetermined threshold value, trigger the battery and second mode is entered from first mode.
The power consumption control method and its device provided using the present invention can reduce the power consumption of electronic installation so that user from
Power failures caused by the power consumption institute of inessential or excess.
Description of the drawings
Fig. 1 is the schematic diagram of the execution power consumption control apparatus according to first embodiment of the invention；
Fig. 2 is the schematic diagram of some implementation details of the power consumption control apparatus according to one embodiment of the invention；
Fig. 3 is the schematic diagram of some implementation details of the power consumption control apparatus according to another embodiment of the present invention；
Fig. 4 is the flow chart of the power consumption control method according to one embodiment of the invention；
Fig. 5 is the schematic diagram of the first scene involved by the power consumption control method according to one embodiment of the invention；
Fig. 6 is the schematic diagram of the second scene involved by the power consumption control method according to another embodiment of the present invention；
Fig. 7 is the schematic diagram of the 3rd scene involved by the power consumption control method according to further embodiment of this invention；
Fig. 8 is the schematic diagram of the 4th scene involved by the power consumption control method according to yet another embodiment of the invention；
Fig. 9 is the schematic diagram of the 5th scene involved by the power consumption control method according to another embodiment of the present invention；
Figure 10 is the schematic diagram of some implementation details of the power consumption control apparatus according to another embodiment of the present invention；
Figure 11 is a deformation of embodiment shown in Figure 10；
Figure 12 is the flow chart of the power consumption control method according to one embodiment of the invention；
Figure 13 is the schematic diagram of some implementation details of the power consumption control apparatus according to another embodiment of the present invention.
Specific embodiment
Some vocabulary used in are censuring specific components in description and claim.The technology of art
Personnel are, it is to be appreciated that same component may be called with different nouns by manufacturer.This specification and claims not with
Mode of the difference of title as differentiation component, but using component difference functionally as differentiation criterion.Illustrate in the whole text
"comprising" mentioned in book and claim is open language, therefore should be construed to " include but be not limited to ".Additionally, " coupling
Connecing " a word here is comprising any directly and indirectly electrical connection.By following preferred embodiment narration and coordinate
Fig. 1 to Fig. 9 explanation present invention of full text, but it is described below in device, component and method, step be to explain the present invention,
And should not be taken to limit the present invention.
Fig. 1 is refer to, Fig. 1 is the schematic diagram of the power consumption control apparatus 100 according to first embodiment of the invention.According to different
Embodiment, such as first embodiment and its deformation, power consumption control apparatus 100 may include electronic installation (such as in background technology
The portable electron device mentioned) at least a portion (for example, part or all).For example, power consumption control apparatus 100 can be wrapped
A part for the portable electron device mentioned in including background technology, more specifically, can be the control in the portable electron device
Circuit (such as integrated circuit (integrated circuit, IC)) processed.Again for example, power consumption control apparatus 100 can be background skill
The portable electron device mentioned in art its entirety.Again for example, power consumption control apparatus 100 can be comprising mentioning in background technology
The audio-frequency/video frequency system of portable electron device.The example of the electronic installation includes but is not limited to mobile phone (for example, many work(
Can mobile phone), personal digital assistant (PDA), portable electron device (such as so-called panel computer), PC (example
Such as tablet PC, be also referred to as panel computer in order to easy), kneetop computer or desktop computer.
As shown in figure 1, power consumption control apparatus 100 may include current sense circuit 110 and control module 120, wherein controlling
Module 120 may include electric current average calculation unit 122, state detection unit 124, comparing unit 126 and post processing triggers circuit
128.By performing sampling operation to produce multiple sample { ISAMPLE, current sense circuit 110 can be filled in battery and aforementioned electronic
An at least electric current I (not showing in Fig. 1) is sensed on an at least current path between at least a portion put.For example, when it is aforementioned extremely
When a few electric current includes multiple electric currents { I }, such as electric current I1、I2、I3Deng (not showing in Fig. 1), by performing sampling operation to produce
Multiple sample { ISAMPLE, multiple electric current roads that current sense circuit 110 can be between battery and some of the electronic installation
Sense the plurality of electric current { I }, such as electric current I on footpath respectively1、I2、I3Deng.Again for example, when an aforementioned at least electric current includes one
(do not show in Fig. 1) during electric current I, for example from battery total output (or reveal) electric current or flow to total input current of battery, lead to
Cross execution sampling operation to produce multiple sample { ISAMPLE, current sense circuit 110 can be in battery with the electronic installation at least
Electric current I is sensed on a current path between a part.Additionally, control module 120 can be to the sample { ISAMPLECarry out
Calculate with monitor current I.Operated based on the calculating, when electric current I is detected, (more particularly, detection is represented
(representative)IM, which represents the result of calculation of the calculating operation) and reach predetermined threshold value ITHWhen, control module 120 can
The post-processing operation that triggering will be performed in the electronic installation.For example, the post-processing operation can be used to reduce power consumption.
According to the embodiment, electric current average calculation unit 122 is executable to calculate operation, such as in sample { ISAMPLEOn hold
Line slip average computation (moving average calculation) is producing the representative I of electric current IM, comparing unit 126 can be by
IMWith predetermined threshold value ITHIt is compared, to detect that (more particularly, detection represents I to electric current IM, which represents that the moving averages are calculated
The moving averages result of calculation of operation) whether reach predetermined threshold value ITH, wherein, (more particularly, detection is represented to detect electric current I
IM, which represents that the moving averages calculate the moving averages result of calculation of operation) and reach predetermined threshold value ITHWhen, post processing triggers circuit
128 can trigger the post-processing operation.More particularly, can select from the multiple predetermined threshold values defined at least one default look-up table
Take predetermined threshold value ITH, wherein state detection unit 124 can perform the selection operation.The default look-up table is placed in the electronics and fills
Among putting or outside, this depend on different design requirements.For example, aforementioned at least one default look-up table can be stored in state-detection
In unit 124.Again for example, aforementioned at least one default look-up table can be stored in memorizer that (for example, volatile storage is (for example
RAM) or non-volatility memorizer (such as flash memory)).Again for example, aforementioned at least one default look-up table can be stored in hard disk (hard
Disk drive, HDD) in.Citing is only for, the present invention is not limited to this.According to the deformation of the present embodiment, predetermined threshold value ITH
For fixed value rather than can choose in multiple predetermined threshold values, wherein in this variant embodiment, state detection unit 124 is
Nonessential.According to other deformations of the present embodiment, the comparative result that comparing unit 126 is produced can be used to optionally trigger this
Post-processing operation.For example, the first state of the comparative result that comparing unit 126 is produced can trigger the post-processing operation, and compare
Second state of the comparative result that unit 126 is produced will not trigger the post-processing operation.Therefore, in these variant embodiments,
Being embodied as post processing triggers circuit 128 is nonessential.
As above disclosed, moving averages are calculated can be used as aforementioned calculating example.Citing is only for, the present invention is simultaneously
Not limited to this.According to the deformation of the present embodiment, aforementioned calculating may include to calculate a default unit gap (for example, one it is default when
Between length) some of sample { ISAMPLEMeansigma methodss, wherein based on different designs need can adjust the default unit between
Every.According to other deformations of the present embodiment, the meansigma methodss can be replaced by maximum.For example, aforementioned calculating can represent calculating front
Some of default unit gap stated sample { ISAMPLEMaximum.
In the embodiment shown in fig. 1, state detection unit 124 can check electronic installation to detect whether to meet multiple
A particular state in preset state.When detection meets the particular state, state detection unit 124 is using corresponding to the spy
A particular preset threshold value of state is determined as predetermined threshold value ITH.More particularly, the plurality of preset state can it is aforesaid at least
Defined in one default look-up table, wherein state detection unit 124 can be captured to correspond to from aforementioned at least one default look-up table and is somebody's turn to do
At least one of status information of preset state, to check the electronic installation, so as to detect whether to meet the particular state.
In implementation, the status information can represent some preset states that the electronic installation is likely encountered, and state detection unit 124 can be examined
Whether the current state for surveying the electronic installation is matched with the particular state of the preset state.The preset state can be electronic installation
Any state being likely encountered.For example, the preset state may include to surf the web, play game, play music, run and apply journey
Sequence, sleep pattern etc., and corresponding threshold value can be determined for these preset states, so as to can detect the power consumption of exception or excess.
In certain embodiments, user may be defective from the application program that website is downloaded.The first in these Application of defect programs
Application program can enable Wireless Fidelity (Wireless Fidelity, Wi-Fi) function in its run duration, and in its stopping fortune
The Wi-Fi functions are not forbidden after between the departure date, this will cause unnecessary power consumption and unnecessary workload.These defects
Second application program in application program can enable gravity sensing (G-sensor) function in its run duration, and in its stopping
The G-sensor functions are not forbidden after run duration, this also leads to unnecessary power consumption.Power consumption control apparatus 100 can be remembered
Record is related to the historical information of these situations, and (such as the first application program and second should by these application programs having contemplated that
With program) historical information be compared with status information (such as preset mode) respectively, wherein the preset mode may be, for example,
Multiple predetermined bits, each bit represent making for the element of the enable/illegal state or electronic installation of the function of the electronic installation
Energy/illegal state.The historical information of each application program (the such as first application and the second application) having contemplated that may include
For the bit compared with preset mode, for example, represent the enable/illegal state of some functions and/or element of electronic installation
Multiple bits.When the plurality of bit and preset mode match, power consumption control apparatus 100 can determine that to detect one pre-
If state.
As above disclosed, status information can represent some preset states that electronic installation may be met.It is only for citing,
The present invention is not limited to this.According to the deformation of the present embodiment, status information can represent some possibility that electronic installation may be met
Scene (scenario), and the state detection unit 124 can detect the current state of the electronic installation whether with possible field
Special scenes in scape match.
According to other deformations of the present embodiment, post-processing operation can be by multiple defined in aforementioned at least one default look-up table
Choose in default post-processing operation.When detect meet the particular state when, control module 120 can will correspond to the particular state
A particular preset post-processing operation as above-mentioned post-processing operation.
Fig. 2 be according to one embodiment of the invention Fig. 1 shown in power consumption control apparatus 100 some implementation details signal
Figure.Using battery 50 as the battery described in first embodiment, the wherein positive port (positive terminal) of battery 50
VBAT+ can be electrically connected to the cell input terminal VBAT of electronic installation, negative terminal mouth (ground terminal) GND- of battery 50
The system earth end of electronic installation can be coupled to by resistance R1.
As shown in Fig. 2 electronic installation may include chip 101 (being denoted as " SoC ", this represents SOC(system on a chip)).Chip 101 can
Including at least a processor 150 and power consumption control module 105.Here, chip 101 as implement power consumption control apparatus 100 one
Individual example.Citing is only for, the present invention is not limited to this.According to some deformations of the present embodiment, implement without the need for chip 101
Power consumption control apparatus 100, wherein power consumption control apparatus 100 can be embodied as non-SOC(system on a chip) (non-SoC) device, such as including one
The system of the element being positioned on printed panel (printed circuit board, PCB).According to the embodiment of Fig. 2, in Fig. 1
Current sense circuit 110 include the analog-digital converter (analog-to- with first input end CS+ and the second input CS-
Digital converter, ADC) 112, and at least resistance with first end and the second end can be further included, for example scheme
Resistance R1 shown in 2, wherein ADC 112 and control module 120 can be embodied as being placed in chip 101 power consumption control module 105 it
In, and first voltage and second voltage can be received respectively using first input end CS+ and the second input CS-.ADC 112 can
Sampling operation is performed to the voltage difference corresponding to electric current I, to produce multiple sample { ISAMPLE, wherein the voltage difference is first defeated
Enter to hold the voltage difference between the first voltage of CS+ receptions and the second voltage of the second input CS- receptions.For example, processor 150
Controllable ADC 112 is performing sampling operation.Citing is only for, the present invention is not limited to this.According to the deformation of the present embodiment, figure
1 current sense circuit 110 may include at least Hall element (Hall component) with first end and the second end, can
Replace resistance R1 with an at least Hall element.Therefore, first voltage and Hall of the voltage difference for the first end of Hall element
Voltage difference between the second voltage at the second end of element.
Post-processing operation may include some to the operation that reduces power consumption.For example, post-processing operation may include to forbid electronics
The wireless transmission function of device, when control module 120 triggers the post processing using interrupt signal (being denoted as " interruption " in fig. 2)
During operation, electronic installation can forbid above-mentioned wireless transmission function.Citing is only for, the present invention is not limited to this.According to this reality
Apply the deformation of example, post-processing operation may include at least element for closing the electronic installation, when control module 120 is using in above-mentioned
When break signal triggers the post-processing operation, electronic installation can cut out an above-mentioned at least element.In other embodiments, post processing
Operation may include to check which software/firmware/hardware causes electric current to reach predetermined threshold value, then can forbid a software module, prohibit
Only there is abnormal power consumption etc. in an application or warning user.
Fig. 3 be according to another embodiment of the present invention Fig. 1 shown in power consumption control apparatus 100 some implementation details signal
Figure.Using battery 50 as the battery described in first embodiment, the positive port VBAT+ of wherein battery 50 can be coupled by resistance R1
The cell input terminal VBAT of electronic installation, the negative terminal mouth GND- of battery 50 can be electrically connected to the system earth end of electronic installation.
Identical description in this embodiment will not be repeated again.
According to the deformation of the present embodiment, current sense circuit 110 may include with first end and the second end at least one suddenly
That element (Hall component), can replace resistance R1 with an at least Hall element.Therefore, voltage difference is Hall element
First end first voltage and Hall element the second end second voltage voltage difference.The identical in this variant embodiment
Description will not be repeated again.
Fig. 4 is the flow chart of the power consumption control method 200 according to one embodiment of the invention.Method shown in Fig. 4 can be applied
In the power consumption control apparatus 100 shown in Fig. 1.Power consumption control method 200 is described as follows.
In step 210, current sense circuit 110 can be by performing sampling operation to produce sample { ISAMPLEWith sensing
On current path between aforementioned at least a portion (such as some one or more) of battery and electronic installation
Electric current I, control module 120 can be to the sample { ISAMPLECalculating is performed with monitor current I, to detect the electricity based on the calculating
Whether stream I reaches predetermined threshold value.
In a step 220, based on the calculating, control module 120 (more particularly comparing unit 126) can detect the electric current
Representative IMWhether predetermined threshold value I is reachedTH.As the representative I for detecting the electric currentMReach predetermined threshold value ITHWhen, into step
230, otherwise return to step 210.
In step 230, control module 120 (more particularly post processing triggers circuit 128) can trigger and will be implemented in
Aforementioned post-processing operation in electronic installation.After the trigger action of step 230 is performed, the flow process shown in Fig. 4 terminates.This is only
To illustrate, the present invention is not limited to this.According to the deformation of the present embodiment, after the trigger action of step 230 is performed, can return to
Step 210.That is, the flow process shown in Fig. 4 can repeatable operation.
According to other embodiments, such as some deformations of the embodiment shown in Fig. 4, the operation being previously disclosed be (Fig. 1's -3
Operation disclosed in any embodiment, and its corresponding deformation) power consumption control method 200 that can be applicable to shown in Fig. 4, because
This, identical description will not be repeated again.
According to other embodiments, such as some of the embodiment shown in Fig. 4 deform, disclosed in power consumption control method 200
Operation even can perform in sleep pattern, in sleep pattern, because the sampling operation can be completed by hardware, the calculating
Operation, triggers the post-processing operation, without the need in the software used in sleep pattern, therefore an aforementioned at least processor 150
Or multiple processors can enter sleep.When post-processing operation as exception or excess electric current/power consumption (such as send one when being triggered
Interrupt signal), the processor for having been enter into sleeping can be waken up, and locate to using some software programs run on the processor
Manage the exception or excess electric current/power consumption.
Fig. 5 is the signal of the first scene involved by power consumption control method 200 shown in Fig. 4 according to one embodiment of the invention
Figure, wherein first scene can be used as an example of aforementioned possible scene.An aforementioned at least processor 150 may include application
Processor 150-1 and communication processor 150-2 (such as modem).Additionally, electronic installation can further include radio frequency
System 180.For example, include can be under the control of application processor 150-1 and/or communication processor 150-2 for Radio Frequency Subsystem 180
The transceiver of operation, power amplifier etc..According to the embodiment, communication processor 150-2 can directly control Radio Frequency Subsystem
180, and the electrical connection indirect control Radio Frequency Subsystem 180 between application processor 150-1 can pass through, wherein, application
Processor 150-1 can be communicated with communication processor 150-2, with indirect control Radio Frequency Subsystem 180.In implementation, application
Processor 150-1 and communication processor 150-2 can have respective CPU (Central Processing
Units, CPU), these CPU are separately operable respective operating system (Operating Systems, OS), wherein
Application processor 150-1 and communication processor 150-2 can receive interrupt signal, and application processor 150-1 and mailing address respectively
Each of reason device 150-2 can be responded from the interrupt signal of the reception of power consumption control module 105 and be operated.It is only for citing,
The present invention is not limited to this.According to other deformations of the present embodiment, application processor 150-1 and communication processor 150-2 can collect
Into in same processor, or, the function of application processor 150-1 and communication processor 150-2 can be by same process
Device is performing.
As shown in figure 5, resistance R1 (is denoted as " resistance sensing ", which is represented for the sensing at least electricity of an electric current I in Fig. 5
Resistance) can be used in sensing flow to the total of application processor 150-1, communication processor 150-2 and Radio Frequency Subsystem 180 from battery 50
Electric current is exported.Based on aforesaid voltage difference, such as first voltage of the first end of resistance R1 and the second of second end of resistance R1
Voltage difference between voltage, power consumption control module 105 can be checked in operation (for example, the call behaviour using Radio Frequency Subsystem 180
Make, data link operation etc.) during whether there is exception or excess electric current/power consumption.
Fig. 6 is showing for the second scene involved by power consumption control method 200 shown in Fig. 4 according to another embodiment of the present invention
It is intended to, wherein second scene can be used as an example of aforementioned possible scene.Shown in application processor 150-1 and Fig. 5
It is identical.Electronic installation can further include specific hardware module 182 (" specific hardware " is denoted as in Fig. 6), and which can be at application
Reason device 150-1 controls are lower to be operated.(for example, the G-sensor or to provide for power consumption control apparatus 100 of specific hardware module 182
The Wi-Fi circuit of Wi-Fi functions) either temporarily or permanently can break down, or damage in some cases, this will cause exception
Or excess electric current/power consumption.
As shown in fig. 6, occurring that abnormal (for example, electric current I exceptions and/or power consumption are different when detect specific hardware module 182
When often), application processor 150-1 can receive aforesaid interrupt signal.More specifically, it is poor based on aforesaid voltage, such as resistance R1
First end first voltage and resistance R1 the second end second voltage between voltage difference, power consumption control module 105 can examine
Look into the exception or excess electric current/power consumption of specific hardware module 182.
Fig. 7 is showing for the 3rd scene involved by power consumption control method 200 shown in Fig. 4 according to further embodiment of this invention
It is intended to, wherein the 3rd scene can be used as an example of aforementioned possible scene.Application processor 150-1 and communication processor
150-2 is same as shown in Figure 5.
As shown in fig. 7, the third-party application (being denoted as " 3App ") operated on application processor 150-1 can wake up communication
Processor 150-2.It is noted that traditional application processor can not discover third-party application has waken up traditional mailing address
Reason device.According to the present embodiment, with the help of power consumption control module 105, the discernable third-party applications of application processor 150-1 are non-
Communication processor 150-2 has been waken up necessarily, this causes excess power consumption, therefore application processor 150-1 third party to may be selected and answers
Some operations (such as the third-party application out of service), to reduce the power consumption of communication processor 150-2.It is only for lifting
Example, the present invention are not limited to this.According to other deformations of the present embodiment, aforesaid third-party application can be optionally called out by any
The application of awake communication processor 150-2 is replaced.According to other deformations of the present embodiment, aforesaid third-party application can be by any
The application for optionally waking up application processor 150-1 is replaced.
According to the deformation of the embodiment shown in Fig. 7, when application processor 150-1 is in sleep pattern, power consumption control mould
Block 105 can detect the exception or excess electric current/power consumption of communication processor 150-2, and the framework shown in Fig. 7 and corresponding operation have
Help reduce the power consumption of communication processor 150-2.Identical description will not be repeated again.
Fig. 8 is showing for the 4th scene involved by power consumption control method 200 shown in Fig. 4 according to yet another embodiment of the invention
It is intended to, wherein the 4th scene can be used as an example of aforementioned possible scene.Shown in application processor 150-1 and Fig. 5
It is identical.Electronic installation can further include multimedia hardware module 184 (" MM hardware " is denoted as in Fig. 8), and which can be at application
Reason device 150-1 controls are lower to be operated.Some operated on application processor 150-1 apply (" App " is denoted as in Fig. 8), for example
The related application of multimedia, can enable, forbids or control multimedia hardware module 184.Multimedia hardware module 184 can be figure
Accelerator (graphic accelerator), video encoder/decoder or audio encoder/decoder.In another embodiment
In, multimedia hardware module 184 may include graphics accelerator, video encoder/decoder or audio encoder/decoder.
As shown in figure 8, power consumption control module 105 can detect that the exception of the generation of multimedia hardware module 184 or excess electricity
Stream/power consumption, these exceptions or excess electric current/power consumption are by the related application of the multimedia operated on application processor 150-1
Caused by institute.Framework and corresponding operation shown in Fig. 8 contributes to reducing the power consumption of multimedia hardware module 184.For example, at certain
In a little multimedia static scenes (such as music playback, video playback/video recording, camera preview etc.), power consumption control module 105 can be examined
Its exception or excess electric current/power consumption are surveyed, and further triggers post-processing operation, to reduce power consumption.
Fig. 9 is showing for the 5th scene involved by power consumption control method 200 shown in Fig. 4 according to another embodiment of the present invention
It is intended to, wherein the 5th scene can be used as an example of aforementioned possible scene.Application processor 150-1, communication processor
150-2 and Radio Frequency Subsystem 180 distinguish same as shown in Figure 5.
As shown in figure 9, the aforesaid resistance R1 of Fig. 5 by multiple resistance { R1 } replace (" resistance sensing " is denoted as in Fig. 9,
Which is identical with the implication shown in Fig. 5).Resistance { R1 } can be used to sensing respectively from battery 50 and flow to application processor 150-1, communication
Multiple electric currents { I } of processor 150-2 and Radio Frequency Subsystem 180, such as electric current I1、I2And I3.Based on aforesaid voltage difference, example
Such as the first voltage and the second of the second end of specific electrical resistance R1 of resistance { R1 } of the first end of specific electrical resistance R1 of resistance { R1 }
Voltage difference between voltage, power consumption control module 105 can check telephone operation, data link operate etc. during whether occur it is different
Normal or excess electric current/power consumption.
In embodiment as shown in figures 5-9, power consumption control module 105 can detect the representative I of electric current IMWhether reach pre-
Determine threshold value ITH, to determine whether to send interrupt signal to processor.Citing is only for, the present invention is not limited to this.According to Fig. 5-9
Other deformations of shown embodiment, processor can periodically or aperiodically send request (Request) to power consumption control
Molding block 105, to obtain detection/comparison information (specific, the representative I of expression electric current I from power consumption control module 105MWhether reach
To predetermined threshold ITHInformation), wherein, power consumption control module 105 may be in response to send inspection respectively from the request of processor
Survey/comparison information.
Figure 10 is the schematic diagram of some implementation details of the power consumption control apparatus 100 according to another embodiment of the present invention.With
Embodiment shown in Fig. 2 is compared, in Fig. 10, when electric current I reaches predetermined threshold value ITHWhen, control module 120 is using interruption letter
Number (being denoted as " interruption " in Fig. 10), triggering battery 50 enter second mode from first mode.The first mode of battery 50 can
To activate (active) pattern.The second mode of battery 50 can be (but not limited to) idle mode.Wherein, the idle mode of battery
Power-off (power off) state or sleep state are may include, but is only for illustration purpose, have no intent to limit the present invention.Battery
50 is to reduce power consumption into idle mode.
Figure 11 is a deformation of embodiment shown in Figure 10.The positive port VBAT+ of battery 500 can be coupled by resistance R1
To the cell input terminal VBAT of electronic installation, the negative terminal mouth GND- of battery 50 can be electrically connected to the system earth of electronic installation
End.The similar detail of the present embodiment will not be described here.
Figure 12 is the flow chart of the power consumption control method 300 according to one embodiment of the invention.Method shown in Figure 12 can be answered
For the power consumption control apparatus 100 shown in Fig. 1 and Figure 10.Power consumption control method 200 is described as follows.
In the step 310, current sense circuit 110 can be by performing sampling operation to produce sample { ISAMPLEWith sensing
The electricity on current path between aforementioned at least a portion (such as one or more of some) of battery and electronic installation
Stream I, control module 120 can be to the sample { ISAMPLECalculating is performed with monitor current I, to detect electric current I based on the calculating
Whether predetermined threshold value I is reachedTH。
In step 320, based on the calculating, control module 120 (more particularly comparing unit 126) can detect the electric current
Representative IMWhether predetermined threshold value I is reachedTH.As the representative I for detecting the electric currentMReach predetermined threshold value ITHWhen, into step
330, otherwise return to step 310.
In a step 330, control module 120 (more particularly post processing triggers circuit 128) can trigger battery 50 from the
One pattern enters second mode.After the trigger action of step 330 is performed, the flow process shown in Figure 12 terminates.It is only for explanation
Purpose, has no intent to limit the present invention.According to the deformation of the present embodiment, after the trigger action of step 330 is performed, can return to
Step 310.That is, the flow process shown in Figure 12 can repeatable operation.
According to other embodiments, such as some deformations of the embodiment shown in Figure 12, the operation being previously disclosed (Fig. 1 and
The disclosed operation of any embodiment of 10-11 and its corresponding deformation) power consumption control method that can be applicable to shown in Figure 12
300, therefore, similar description will not be described in great detail.
According to other embodiments, such as some of the embodiment shown in Figure 12 deform, disclosed in power consumption control method 300
Operation even can perform in sleep pattern, in sleep pattern, because sampling operation can be completed, calculating is performed by hardware
Operation, triggering battery mode handover operation, and without the need for the software used in sleep pattern, therefore an aforementioned at least processor 150
In one or more processors can enter sleep.When mode switching operation due to exception or excess electric current/power consumption are triggered when (example
An interrupt signal is sent such as), the processor for having been enter into sleeping can be waken up, to using some softwares run on the processor
Program is processing the exception or excess electric current/power consumption.
Figure 13 is the schematic diagram of some implementation details of the power consumption control apparatus 100 according to another embodiment of the present invention.With
Embodiment shown in Figure 10 is compared, in fig. 13, when electric current I reaches predetermined threshold value ITHWhen, control module 120 is not merely with
Break signal (being denoted as " interruption " in Fig. 10) triggering battery 50 enters second mode from first mode, also using interrupt signal
Triggering post-processing operation.Battery 50 subsequently enters idle mode, and electronic installation can forbid above-mentioned some specific functions.It is similar
Description will not be described in great detail.
One of the advantages of the present invention is that the method and apparatus provided using the present invention can reduce the power consumption of electronic installation.Make
For result, user can use electronic installation from power failures caused by the power consumption of inessential or excess institute, in background technology
Technical problem will no longer become puzzlement.
The above embodiments are only used for enumerating embodiments of the present invention, and the technical characteristic of the explaination present invention, not
For limiting scope of the invention.Any person of ordinary skill in the field changes according to the spiritual and unlabored of the present invention
Become or isotropism arrangement belongs to the scope advocated by the present invention, the interest field of the present invention should be defined by claim.
Claims (17)
1. a kind of power consumption control method, is applied to electronic installation, and the power consumption control method includes：
Multiple samples are produced by performing sampling operation, between sensing battery and at least a portion of the electronic installation at least
An at least electric current of one current path；
The plurality of sample is calculated to monitor an at least electric current；And
Based on the calculating, when detecting this at least an electric current reaching predetermined threshold value, trigger the battery and is entered from first mode
Two modes.
2. power consumption control method as claimed in claim 1, it is characterised in that an at least electric current is from the total defeated of the battery
Go out electric current or flow to total input current of the battery.
3. power consumption control method as claimed in claim 1, it is characterised in that the execution sampling operation is producing multiple samples
Step is further included：
The sampling operation is performed to the voltage difference corresponding to an at least electric current using analog-digital converter, to produce the plurality of sample
This.
4. power consumption control method as claimed in claim 3, it is characterised in that the voltage difference is the first end of an at least resistance
Voltage difference between the second voltage at the second end of first voltage and an at least resistance.
5. power consumption control method as claimed in claim 3, it is characterised in that the voltage difference is the first of an at least Hall element
Voltage difference between the second voltage at the second end of the first voltage at end and an at least Hall element.
6. power consumption control method as claimed in claim 1, it is characterised in that an at least electric current includes multiple electric currents, passes through
Perform an at least electric current of the sampling operation to produce multiple samples, between the sensing battery and at least a portion of the electronic installation
The step of at least electric current in path, further includes：
By perform the sampling operation sense to produce the plurality of sample, respectively the battery and the electronic installation some it
Between multiple current paths the plurality of electric current.
7. power consumption control method as claimed in claim 1, it is characterised in that multiple defined at least one default look-up table
The predetermined threshold value is chosen in predetermined threshold value, the power consumption control method is further included：
Check the electronic installation to detect whether to meet the particular state of multiple preset states；And
When detect meet the particular state when, will correspond to the particular preset threshold value of the particular state as the predetermined threshold value.
8. power consumption control method as claimed in claim 7, it is characterised in that the plurality of preset state at least default is looked at this
Look for defined in table, the power consumption control method is further included：
At least one of status information corresponding to the preset state is captured from least one default look-up table, to check
The electronic installation is detecting whether to meet the particular state.
9. power consumption control method as claimed in claim 1, it is characterised in that the second mode includes sleep state or power-off shape
State.
10. power consumption control method as claimed in claim 1, it is characterised in that further include：
When detecting this at least an electric current reaching predetermined threshold value, triggering will be implemented in the behaviour of the post processing in the electronic installation
Make.
A kind of 11. power consumption control apparatus, the power consumption control apparatus include at least a portion of electronic installation, the power consumption control apparatus
Including：
Current sense circuit, by perform sampling operation to produce multiple samples, the current sense circuit to sense battery and
An at least electric current of at least current path between at least a portion of the electronic installation；And
Control module, is monitored an at least electric current to calculate to the plurality of sample, wherein based on the calculating, working as detection
When to this, at least an electric current reaches predetermined threshold value, the control module triggers the battery and enters second mode from first mode.
12. power consumption control apparatus as claimed in claim 11, it is characterised in that an at least electric current is from the total of the battery
Output current flow to total input current of the battery.
13. power consumption control apparatus as claimed in claim 11, it is characterised in that an at least electric current includes multiple electric currents, lead to
Crossing and the sampling operation being performed to produce the plurality of sample, the current sense circuit is to sense the battery and the electronic installation respectively
Some between multiple current paths the plurality of electric current.
14. power consumption control apparatus as claimed in claim 11, it is characterised in that the predetermined threshold value is from least one default lookup
Choose in multiple predetermined threshold values defined in table and obtain, the control module includes：
State detection unit, detects whether to meet the particular state of multiple preset states to check the electronic installation,
Wherein, when detect meet the particular state when, the state detection unit will correspond to the particular preset of the particular state
Threshold value is used as the predetermined threshold value.
15. power consumption control apparatus as claimed in claim 14, it is characterised in that the plurality of preset state this at least one preset
Defined in look-up table, the state detection unit captures at least corresponding to the preset state from least one default look-up table
Partial status information, detects whether to meet the particular state to check the electronic installation.
16. power consumption control apparatus as claimed in claim 11, it is characterised in that the second mode includes sleep state or power-off
State.
17. power consumption control apparatus as claimed in claim 11, it is characterised in that the control module is to detect this at least one electric
When stream reaches predetermined threshold value, further triggering will be implemented in the post-processing operation in the electronic installation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/886,089 US20160041207A1 (en) | 2012-03-26 | 2015-10-18 | Method for performing power consumption control, and associated apparatus |
| US14/886,089 | 2015-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106598195A true CN106598195A (en) | 2017-04-26 |
Family
ID=58555595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610621752.9A Withdrawn CN106598195A (en) | 2015-10-18 | 2016-08-01 | Method for performing power consumption control, and associated apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106598195A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110632517A (en) * | 2019-10-31 | 2019-12-31 | 中船动力研究院有限公司 | Control device of electric dynamometer and electric dynamometer |
| CN113641550A (en) * | 2021-06-16 | 2021-11-12 | 无锡江南计算技术研究所 | Processor power consumption management and control method and device |
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