CN104423275B - System voltage control device, method and terminal - Google Patents
System voltage control device, method and terminal Download PDFInfo
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- CN104423275B CN104423275B CN201310361916.5A CN201310361916A CN104423275B CN 104423275 B CN104423275 B CN 104423275B CN 201310361916 A CN201310361916 A CN 201310361916A CN 104423275 B CN104423275 B CN 104423275B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/66—Regulating electric power
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Abstract
The invention provides a system voltage control device, method and terminal. The system voltage control method comprises the following steps: obtaining a first current value of a first module corresponding to an application to be executed of a terminal device; according to the first current value, searching a first voltage drop value corresponding to the first current value from a correspondence relation table of a pre-stored current value of each module in the using process and a voltage drop value of each current value; obtaining a second voltage drop value corresponding to a system shutdown voltage of the terminal device; making a comparison between the first voltage drop value and the second voltage drop value to obtain a first comparison result; and controlling the operation of each module of a system according to the first comparison result. The device can control the voltage use of the system by monitoring the current values of user started modules, and adopts the measures of shutting down low-priority applications or reducing power of the started module when the system voltage is not sufficient enough to maintain the starting of the module, thereby meeting power demand on the device of a user.
Description
Technical field
The present invention relates to electronic technology field, particularly to a kind of system voltage control device, method and terminal.
Background technology
With scientific and technical development, increasing hand-held terminal device enters the life of people, such as：Mobile phone, number
Code-phase machine, panel computer etc..At present, most of handheld devices are all to be powered using battery, when system is in low-voltage state,
If user needs with some powerful applications it is easy to dragging down voltage and leading to system power failure.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of system voltage control device, method and terminal, by
The monitoring of family starting module current value, the voltage of control system uses, and when system voltage is not enough to maintenance module startup,
Take the application turning off low priority or reduce the measure being activated modular power, to meet the power demand to equipment for the user.
In order to solve above-mentioned technical problem, the embodiment of the present invention provides a kind of system voltage control device, including：
First acquisition module, for obtaining the first electric current of corresponding first module of application that terminal unit will be performed
Value；
Searching modul, for according to described first current value, from the modules prestoring electricity in use
In the mapping table of flow valuve and voltage drop value corresponding with each current value, find and described first current value corresponding first
Voltage drop value；
Second acquisition module, corresponding second voltage drop value of the system closedown voltage for obtaining described terminal unit；
Comparison module, for being compared described first voltage drop value with described second voltage drop value, is obtained first and compares knot
Really；
Control module, for according to described first comparative result, the work of each module of control system.
Described system voltage control device, wherein, represents in described first comparative result：First voltage drop value is less than described the
During two voltage drop values, described control module controls described first module to be operated；
Represent in described first comparative result：When first voltage drop value is not less than described second voltage drop value, described control module
Close the corresponding module of application of the low priority in the system of described terminal unit.
Described system voltage control device, wherein, described second acquisition module is additionally operable to close system in described control module
After the corresponding module of application of the low priority in system, obtain corresponding 3rd pressure drop of system closedown voltage of described terminal unit
Value；
Described comparison module is additionally operable to：Described first voltage drop value is compared with described 3rd voltage drop value, obtains second
Comparative result；
Described control module according to the second comparative result, the work of each module of control system.
Described system voltage control device, wherein,
When described first voltage drop value is less than described three voltage drop value, described control module controls described first module to carry out
Work；
When described first voltage drop value is not less than described three voltage drop value, described control module is carried out to described first module
Power Control.
Described second acquisition module includes：
Acquisition submodule, for obtaining the current voltage of described terminal unit battery；
Computing module, for the current voltage according to described battery, is calculated current battery level and system closedown electricity
The second voltage drop value between pressure or the 3rd voltage drop value.
Described system voltage control device, wherein, described first acquisition module is additionally operable to：In described control module to described
After first module carries out Power Control, obtain the second current value of described first module；
Described searching modul is additionally operable to be found from described mapping table and described according to described second current value
Corresponding 4th voltage drop value of two current values；
Described comparison module is additionally operable to be compared according to described 4th voltage drop value and described 3rd voltage drop value and obtains the 3rd
Comparative result；
Described control module according to the 3rd comparative result, the work of each module of control system.
Described system voltage control device, also includes：
Prompting module, cannot meet when system is normally run for the voltage in described battery and carry out carrying of not enough power supply
Wake up.
Described system voltage control device, wherein,
When described 4th voltage drop value is less than described three voltage drop value, described control module controls described first module to carry out
Work；
When described 4th voltage drop value is not less than described three voltage drop value, described control module controls described prompting module to enter
Row is reminded.
The embodiment of the present invention also provides a kind of system voltage control method, including,
Obtain the first current value of corresponding first module of application that terminal unit will be performed；
According to described first current value, from the modules prestoring current value in use and with each electricity
In the mapping table of the corresponding voltage drop value of flow valuve, find first voltage drop value corresponding with described first current value；
Obtain corresponding second voltage drop value of system closedown voltage of described terminal unit；
Described first voltage drop value is compared with described second voltage drop value, obtains the first comparative result；
According to described first comparative result, the work of each module of control system.
Described system voltage control method, wherein, represents in described first comparative result：First voltage drop value is less than described the
During two voltage drop values, described first module is controlled to be operated；
Represent in described first comparative result：When first voltage drop value is not less than described second voltage drop value, control described in closing
The corresponding module of application of the low priority in the system of terminal unit.
Further, said method also includes：After the corresponding module of application of the low priority in described closing system,
Obtain corresponding 3rd voltage drop value of system closedown voltage of described terminal unit；
Described first voltage drop value is compared with described 3rd voltage drop value, obtains the second comparative result；
According to described second comparative result, the work of each module of control system.
Described system voltage control method, wherein,
When described first voltage drop value is less than described three voltage drop value, described first module is controlled to be operated；
When described first voltage drop value is not less than described three voltage drop value, Power Control is carried out to described first module.
Further, after Power Control is carried out to described first module, described system voltage control method, also include：
Obtain the second current value of described first module；
Found from described mapping table and described second current value the corresponding 4th according to described second current value
Voltage drop value；
Described 4th voltage drop value and described 3rd voltage drop value are compared and obtain the 3rd comparative result；
According to described 3rd comparative result, the work of each module of control system.
Described system voltage control method, wherein,
When described 4th voltage drop value is less than described three voltage drop value, described first module is controlled to be operated；
When described 4th voltage drop value is not less than described three voltage drop value, carry out the not enough prompting of battery electric quantity.
The embodiment of the present invention also provides a kind of terminal, including said system voltage-operated device.
The having the beneficial effect that of the technique scheme of the present invention：
In such scheme, by the monitoring to user's starting module current value, the voltage of control system uses, and is being
When system undertension is started with maintenance module, take the application turning off low priority or reduce the measure being activated modular power,
Meet the power demand to equipment for the user.
Brief description
Fig. 1 is each modular structure schematic diagram in embodiments of the invention；
Fig. 2 is the second acquisition module structural representation in embodiments of the invention；
Fig. 3 is the overview flow chart of the system voltage control method of the present invention；
Fig. 4 is the flow chart of system voltage control method in the embodiment of the present invention one；
Fig. 5 is the flow chart of system voltage control method in the embodiment of the present invention two.
Specific embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention is to be powered using battery for existing most of handheld devices, when system is in low-voltage state
When, if user needs with some powerful applications it is easy to dragging down voltage and leading to the problem of system power failure, provide one kind
System voltage control device, method and terminal.
As shown in figure 1, embodiments of the invention provide a kind of system voltage control device, including：Set for obtaining terminal
First acquisition module 10 of standby the first current value of corresponding first module of application that will be performed；For according to described first
Current value, right from the modules prestoring current value in use and voltage drop value corresponding with each current value
Answer in relation table, find the searching modul 20 of first voltage drop value corresponding with described first current value；For obtaining described end
Second acquisition module 30 of corresponding second voltage drop value of system closedown voltage of end equipment；For by described first voltage drop value and institute
State the second voltage drop value to be compared, obtain the comparison module 40 of the first comparative result；For according to described first comparative result, controlling
The control module 50 of the work of each module of system processed.
In order to more accurately record the modules prestoring current value in use and with each electric current
It is worth the corresponding relation of corresponding voltage drop value, system is opened in turn to modules and detected.
In above-described embodiment, represent in described first comparative result：When first voltage drop value is less than described second voltage drop value, institute
Stating control module 50 controls described first module to be operated；Represent in described first comparative result：First voltage drop value is not less than
During described second voltage drop value, the application that described control module 50 closes the low priority in the system of described terminal unit is corresponding
Module.
Said system voltage-operated device, by the monitoring to user's starting module current value, is judging to obtain system electricity
When pressure is not enough to maintenance module startup, by controlling the application turning off low priority, to meet the power demand to equipment for the user.
Close the corresponding module of application of low priority in the system of described terminal unit in described control module 50 after,
In the another embodiment that the present invention provides, described second acquisition module 30 is additionally operable to obtain the system closedown electricity of described terminal unit
Press corresponding 3rd voltage drop value, in this case, described comparison module 40 is used for described first voltage drop value and the described 3rd
Voltage drop value is compared, and obtains the second comparative result, described control module 50 according to described second comparative result to system each mould
The work of block is controlled.
In above-described embodiment, when described first voltage drop value is less than described three voltage drop value, described control module 50 controls
Described first module is operated；When described first voltage drop value is not less than described three voltage drop value, described control module 50 is right
Described first module carries out Power Control.
Power Control described here, is the Power Control that the application that terminal unit will be performed is related to hardware module.
Said system voltage-operated device, in the case that the application of shutoff low priority is still inoperative, takes reduction
It is activated the measure of the power of module, control and be activated the requirement to system voltage for the module, to meet the power to equipment for the user
Demand.
In the another embodiment that the present invention provides, as shown in Fig. 2 described second acquisition module 30 includes：Acquisition submodule
31, for obtaining the current voltage of described terminal unit battery；Computing module 32, for the current voltage according to described battery,
It is calculated the second voltage drop value between current battery level and system closedown voltage or the 3rd voltage drop value.
In another embodiment of the present invention, described system voltage control device also includes：Prompting module, in described electricity
The voltage in pond cannot meet the prompting carrying out not enough power supply when system is normally run.
Further, when cell voltage cannot ensure that system is normally run, system is prompted in the form of sound, light
User, system has " power down " or the risk of " automatic shutdown ".
After described control module 50 carries out Power Control to described first module, the another embodiment that the present invention provides
In, described first acquisition module 10 obtains the second current value of described first module；Described searching modul 20 is additionally operable to according to institute
State the second current value and find fourth voltage drop value corresponding with described second current value from described mapping table；Described comparison
Module 40 is additionally operable to be compared according to described 4th voltage drop value and described 3rd voltage drop value and obtains the 3rd comparative result；Described control
Molding block 50 according to the 3rd comparative result, the work of each module of control system.
In above-described embodiment, when described 4th voltage drop value is less than described three voltage drop value, described control module 50 controls
Described first module is operated；When described 4th voltage drop value is not less than described three voltage drop value, described control module 50 is controlled
Make described prompting module to be reminded.
Said system voltage-operated device, is activated the work(of module in the application taking turning off system low priority and reduction
When the measure of rate still can not meet the normal startup of module, custom system is reminded to have the risk of power down so that user can be timely
Electricity supplement is carried out to system.
As shown in figure 3, in another embodiment of the present invention, there is provided a kind of method that system voltage controls, specially：
Step 11, obtains the first current value of corresponding first module of application that terminal unit will be performed；
Step 12, according to described first current value, from the modules prestoring current value in use and
In the mapping table of voltage drop value corresponding with each current value, find first pressure drop corresponding with described first current value
Value；
Step 13, obtains corresponding second voltage drop value of system closedown voltage of described terminal unit；
Step 14, described first voltage drop value is compared with described second voltage drop value, obtains the first comparative result；
Step 15, according to described first comparative result, the work of each module of control system.
Further, the specific work process of step 15 is：Represent in described first comparative result：First voltage drop value is low
When described second voltage drop value, described first module is controlled to be operated；Represent in described first comparative result：First voltage drop value
When being not less than described second voltage drop value, control the corresponding mould of application of the low priority in the system closing described terminal unit
Block.
As shown in figure 4, in another embodiment of the present invention, low preferential in controlling the system closing described terminal unit
After the corresponding module of application of level, described system voltage control method, also include：
Step 21, obtains corresponding 3rd voltage drop value of system closedown voltage of described terminal unit；
Step 22, described first voltage drop value is compared with described 3rd voltage drop value, obtains the second comparative result；
Step 23, according to described second comparative result, the work of each module of control system.
Further, the specific work process of step 23 is：It is less than described 3rd voltage drop value in described first voltage drop value
When, control described first module to be operated；When described first voltage drop value is not less than described three voltage drop value, to described first
Module carries out Power Control.
After Power Control is carried out to described first module, as shown in figure 5, in another embodiment of the present invention, described system
System voltage control method, also includes：
Step 31, obtains the second current value of described first module；
Step 32, finds corresponding with described second current value from described mapping table according to described second current value
The 4th voltage drop value；
Step 33, described 4th voltage drop value and described 3rd voltage drop value is compared and obtains the 3rd comparative result；
Step 34, according to described 3rd comparative result, the work of each module of control system.
Further, the specific work process of step 34 is：It is less than described 3rd voltage drop value in described 4th voltage drop value
When, control described first module to be operated；When described 4th voltage drop value is not less than described three voltage drop value, carry out battery electricity
The not enough prompting of amount.
It should be noted that the method embodiment is method corresponding with said system voltage-operated device, said system
All implementations of voltage-operated device, all be applied to the method embodiment, also can reach and control dress with said system voltage
Put identical technique effect.
In embodiments of the invention, additionally provide a kind of terminal, described terminal comprises said system voltage-operated device.Its
In, described terminal can be the electronic equipments such as smart mobile phone.
It should be noted that this terminal embodiment is terminal corresponding with said system voltage-operated device, said system
All implementations of voltage-operated device, all be applied to this terminal embodiment, also can reach and control dress with said system voltage
Put identical technique effect.
Above-described is the preferred embodiment of the present invention it should be pointed out that the ordinary person for the art comes
Say, under the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications also should regard
For protection scope of the present invention.
Claims (15)
1. a kind of system voltage control device is it is characterised in that include：
First acquisition module, for obtaining the first current value of corresponding first module of application that terminal unit will be performed；
Searching modul, for according to described first current value, from the modules prestoring current value in use
And in the mapping table of voltage drop value corresponding with each current value, find first pressure drop corresponding with described first current value
Value；
Second acquisition module, for obtaining the second pressure between the current battery level of described terminal unit and system closedown voltage
Depreciation；
Comparison module, for being compared described first voltage drop value with described second voltage drop value, obtains the first comparative result；
Control module, for according to described first comparative result, the work of each module of control system.
2. system voltage control device according to claim 1 is it is characterised in that represent in described first comparative result：
When first voltage drop value is less than described second voltage drop value, described control module controls described first module to be operated；
Represent in described first comparative result：When first voltage drop value is not less than described second voltage drop value, described control module is closed
The corresponding module of application of the low priority in the system of described terminal unit.
3. system voltage control device according to claim 2 is it is characterised in that described second acquisition module is additionally operable to
After the corresponding module of application of the low priority in described control module closing system, obtain the present battery of described terminal unit
The 3rd voltage drop value between voltage and system closedown voltage；
Described comparison module is additionally operable to：Described first voltage drop value is compared with described 3rd voltage drop value, obtains second and compare
Result；
Described control module according to the second comparative result, the work of each module of control system.
4. system voltage control device according to claim 3 it is characterised in that
When described first voltage drop value is less than described three voltage drop value, described control module controls described first module to carry out work
Make；
When described first voltage drop value is not less than described three voltage drop value, described control module carries out power to described first module
Control.
5. system voltage control device according to claim 3 is it is characterised in that described second acquisition module includes：
Acquisition submodule, for obtaining the current voltage of described terminal unit battery；
Computing module, for the current voltage according to described battery, be calculated current battery level and system closedown voltage it
Between the second voltage drop value or the 3rd voltage drop value.
6. system voltage control device according to claim 4 is it is characterised in that described first acquisition module is additionally operable to：
After described control module carries out Power Control to described first module, obtain the second current value of described first module；
Described searching modul is additionally operable to be found from described mapping table and the described second electricity according to described second current value
Corresponding 4th voltage drop value of flow valuve；
Described comparison module is additionally operable to be compared according to described 4th voltage drop value and described 3rd voltage drop value and obtains the 3rd and compare
Result；
Described control module according to the 3rd comparative result, the work of each module of control system.
7. system voltage control device according to claim 6 is it is characterised in that also include：
Prompting module, cannot meet the prompting carrying out not enough power supply when system is normally run for the voltage in described battery.
8. system voltage control device according to claim 7 it is characterised in that
When described 4th voltage drop value is less than described three voltage drop value, described control module controls described first module to carry out work
Make；
When described 4th voltage drop value is not less than described three voltage drop value, described control module controls described prompting module to be carried
Wake up.
9. a kind of system voltage control method it is characterised in that
Obtain the first current value of corresponding first module of application that terminal unit will be performed；
According to described first current value, from the modules prestoring current value in use and with each current value
In the mapping table of corresponding voltage drop value, find first voltage drop value corresponding with described first current value；
Obtain the second voltage drop value between the current battery level of described terminal unit and system closedown voltage；
Described first voltage drop value is compared with described second voltage drop value, obtains the first comparative result；
According to described first comparative result, the work of each module of control system.
10. system voltage control method according to claim 9 is it is characterised in that represent in described first comparative result：
When first voltage drop value is less than described second voltage drop value, described first module is controlled to be operated；
Represent in described first comparative result：When first voltage drop value is not less than described second voltage drop value, controls and close described terminal
The corresponding module of application of the low priority in the system of equipment.
11. system voltage control methods according to claim 10 are it is characterised in that also include：In described closing system
In the corresponding module of application of low priority after,
Obtain the 3rd voltage drop value between the current battery level of described terminal unit and system closedown voltage；
Described first voltage drop value is compared with described 3rd voltage drop value, obtains the second comparative result；
According to described second comparative result, the work of each module of control system.
12. system voltage control methods according to claim 11 it is characterised in that
When described first voltage drop value is less than described three voltage drop value, described first module is controlled to be operated；
When described first voltage drop value is not less than described three voltage drop value, Power Control is carried out to described first module.
13. system voltage control methods according to claim 12 are it is characterised in that carrying out work(to described first module
After rate controls, described system voltage control method, also include：
Obtain the second current value of described first module；
Fourth pressure drop corresponding with described second current value is found from described mapping table according to described second current value
Value；
Described 4th voltage drop value and described 3rd voltage drop value are compared and obtain the 3rd comparative result；
According to described 3rd comparative result, the work of each module of control system.
14. system voltage control methods according to claim 13 it is characterised in that
When described 4th voltage drop value is less than described three voltage drop value, described first module is controlled to be operated；
When described 4th voltage drop value is not less than described three voltage drop value, carry out the not enough prompting of battery electric quantity.
A kind of 15. terminals are it is characterised in that include the system voltage control device as described in any one of claim 1 to 8.
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| CN201310361916.5A CN104423275B (en) | 2013-08-19 | 2013-08-19 | System voltage control device, method and terminal |
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| CN106569444A (en) * | 2016-11-08 | 2017-04-19 | 惠州Tcl移动通信有限公司 | Control method and system for low-voltage shutdown abnormity of terminal |
| CN110050408B (en) * | 2016-11-18 | 2020-12-01 | 华为技术有限公司 | Voltage regulating circuit and voltage regulating method |
| CN108539721B (en) * | 2018-03-30 | 2020-06-23 | 联想(北京)有限公司 | Overcurrent protection method and electronic equipment |
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| ES2149379T3 (en) * | 1994-11-29 | 2000-11-01 | Idemitsu Petrochemical Co | STYRENE POLYMER AND MOLDED ITEMS. |
| JP2012120058A (en) * | 2010-12-02 | 2012-06-21 | Zenrin Co Ltd | Mobile terminal |
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| CN101621584A (en) * | 2009-07-27 | 2010-01-06 | 中兴通讯股份有限公司 | Using method of remaining battery power and performing device thereof |
| CN102299992A (en) * | 2010-06-23 | 2011-12-28 | 北京中星微电子有限公司 | Terminal as well as method and device for controlling same |
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Address after: 361006 No. two, 999 North Road, torch hi tech Zone, Fujian, Xiamen, Qishan Patentee after: Motorola mobile communication technology Co.,Ltd. Address before: 361006 No. two, 999 North Road, torch hi tech Zone, Fujian, Xiamen, Qishan Patentee before: LENOVO MOBILE COMMUNICATION TECHNOLOGY Ltd. |
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