CN106445060A - Method and system for supply voltage restoration of mobile terminal and mobile terminal - Google Patents
Method and system for supply voltage restoration of mobile terminal and mobile terminal Download PDFInfo
- Publication number
- CN106445060A CN106445060A CN201610830591.4A CN201610830591A CN106445060A CN 106445060 A CN106445060 A CN 106445060A CN 201610830591 A CN201610830591 A CN 201610830591A CN 106445060 A CN106445060 A CN 106445060A
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- Prior art keywords
- supply voltage
- mobile terminal
- reset signal
- trigger
- voltage
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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
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
- G06F1/305—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations in the event of power-supply fluctuations
-
- 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
- G06F1/24—Resetting means
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a method and system for supply voltage restoration of a mobile terminal and the mobile terminal. According to the method for supply voltage restoration of the mobile terminal, a power supply detection module detects a supply voltage of a current mobile terminal and outputs trigger signals according to the size of the supply voltage; a restoration module output restoration signals to a power supply module according to the trigger signals; and the power supply module restores the current supply voltage to a preset reference voltage according to the restoration signals and can automatically restore the supply voltage during power supply instability by detecting the supply voltage of the mobile terminal. The problem that due to the fact that an embedded lithium battery is adopted for the mobile terminal, when states of blank screen or system halted and the like caused by power supply instability occur, a user cannot perform restoration and starting by pulling down the lithium battery is solved, the mobile terminal can automatically restore a normal supply voltage, and convenience is brought to users.
Description
Technical field
The present invention relates to technical field of mobile terminals, particularly to a kind of mobile terminal supply voltage repositioning method, system
And mobile terminal.
Background technology
At present, with the improvement of intelligent mobile terminal lithium battery, lithium battery is often embedded in inside intelligent mobile terminal, this
It is the progress of intelligent mobile terminal development.But problem appear to is that therewith, when blank screen in mobile phone, touch-screen is unable to stroke,
Or user is when using some function, interrupting occurs in the running software of this function, when mobile phone can not normally use, due to
The lithium battery of intelligent mobile terminal can not be pulled out in family, simultaneously nor the mobile terminal realized automatically resets normal power supply shape
State, affects Consumer's Experience.
Thus prior art could be improved and improves.
Content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of mobile terminal supply voltage is multiple
Method for position, system and mobile terminal, can be by detecting the supply voltage of mobile terminal, and automatically reset power supply in power supply instability
Voltage, solves and adopts embedded lithium battery due to mobile terminal, the states such as the unstable blank screen leading to of power supply or deadlock
When user cannot by pull up lithium battery reset start problem, enable mobile terminal automatically to recover normal power supply voltage, to use
Family brings conveniently.
In order to achieve the above object, this invention takes technical scheme below：
A kind of mobile terminal supply voltage repositioning method, it comprises the steps：
A, the supply voltage being detected current mobile terminal by power detecting module the size output triggering letter according to supply voltage
Number；
B, by reseting module according to described trigger export reset signal to supply module；
C, current supply voltage is recovered to predetermined reference voltage according to described reset signal by supply module.
In described mobile terminal supply voltage repositioning method, described step B includes step：
B1, reset signal generating unit is triggered by reset pulse unit when receiving trigger；
B2, by reset signal generating unit export reset signal；
B3, by level conversion unit, described reset signal is carried out exporting to supply module after level conversion process.
In described mobile terminal supply voltage repositioning method, described step A includes step：
A1, by voltage detection unit detect current mobile terminal supply voltage；
A2, by the more described supply voltage of voltage comparison unit and predetermined reference voltage size；
A3, by trigger element supply voltage be less than predetermined reference voltage when, export the first trigger, be more than in supply voltage
During predetermined reference voltage, export the second trigger.
In described mobile terminal supply voltage repositioning method, described step B2 specifically includes：
When receiving the first trigger, the output of reset signal generating unit raises the first reset signal of supply voltage；
When receiving the second trigger, the output of reset signal generating unit reduces the second reset signal of supply voltage.
In described mobile terminal supply voltage repositioning method, described step B1 specifically includes：
Reset pulse unit opens crystal oscillation unit when receiving trigger, and output reseting pulse signal triggering resets and believes
Number generating unit.
A kind of mobile terminal supply voltage reset system, it includes：
Power detecting module, for detecting supply voltage the size output triggering letter according to supply voltage of current mobile terminal
Number；
Reseting module, for exporting reset signal to supply module according to described trigger；
Supply module, for recovering current supply voltage to predetermined reference voltage according to described reset signal.
In described mobile terminal supply voltage reset system, described reseting module includes：
Reset pulse unit, for triggering reset signal generating unit when receiving trigger；
Reset signal generating unit, for exporting high level reset signal；
Level conversion unit, exports after low level reset signal to power supply mould for being converted to described high level reset signal
Block.
In described mobile terminal supply voltage reset system, described power detecting module includes：
Voltage detection unit, for detecting the supply voltage of current mobile terminal；
Voltage comparison unit, for the size of relatively described supply voltage and predetermined reference voltage；
Trigger element, for when supply voltage is less than predetermined reference voltage, exporting the first trigger, being more than in supply voltage
During predetermined reference voltage, export the second trigger.
In described mobile terminal supply voltage reset system, described reset signal generating unit specifically for：
When receiving the first trigger, output raises the first reset signal of supply voltage；
When receiving the second trigger, output reduces the second reset signal of supply voltage.
A kind of mobile terminal, it includes mobile terminal supply voltage reset system as above.
Compared to prior art, in mobile terminal supply voltage repositioning method, system and mobile terminal that the present invention provides,
Described mobile terminal supply voltage repositioning method detects supply voltage the basis of current mobile terminal by power detecting module
The size output trigger of supply voltage；Afterwards reset signal is exported to mould of powering according to described trigger by reseting module
Block；Current supply voltage is recovered to predetermined reference voltage according to described reset signal by supply module afterwards, can be by inspection
Survey the supply voltage of mobile terminal, automatically reset in power supply instability supply voltage, solve because mobile terminal is using embedding
Enter formula lithium battery, user cannot open by pulling up lithium battery reset when the states such as the unstable blank screen leading to of power supply or deadlock
The problem of machine, enables mobile terminal automatically to recover normal power supply voltage, brings conveniently to user.
Brief description
The flow chart of the mobile terminal supply voltage repositioning method that Fig. 1 provides for the present invention.
The structured flowchart of the mobile terminal supply voltage reset system that Fig. 2 provides for the present invention.
Specific embodiment
In view of because mobile terminal adopts embedded lithium battery in prior art, occurring cannot passing through to pull out when power supply is unstable
The shortcomings of lower lithium battery reset start, it is an object of the invention to provide a kind of mobile terminal supply voltage repositioning method, system
And mobile terminal, can be by detecting the supply voltage of mobile terminal, automatically reset supply voltage in power supply instability, makes to embed
The mobile terminal of lithium battery is occurring also automatically recovering normal power supply voltage when power supply is unstable, brings conveniently to user.
For making the purpose of the present invention, technical scheme and effect clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings
The present invention further describes.It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
Refer to Fig. 1, the mobile terminal supply voltage repositioning method that the present invention provides comprises the steps：
S100, the supply voltage being detected current mobile terminal by power detecting module the size output triggering according to supply voltage
Signal；
S200, by reseting module according to described trigger export reset signal to supply module；
S300, current supply voltage is recovered to predetermined reference voltage according to described reset signal by supply module.
The present invention detects the supply voltage of current mobile terminal by power detecting module, is sentenced according to the size of supply voltage
Whether the power supply state of disconnected current mobile terminal is normal, and exports trigger, and reseting module is according to described trigger afterwards
Output reset signal, to supply module, is recovered current supply voltage to default ginseng according to described reset signal by supply module
Examine voltage, such as, when leading to be operated the problems such as mobile terminal appearance deadlock or blank screen, power detecting module detects
The unexpected reduction of supply voltage to the output of current supply module leads to this problem, and now triggering reseting module exports reset signal extremely
Supply module, makes the supply voltage that supply module exports be increased to predetermined reference voltage, that is, returns to normal power supply state, simultaneously
This reset signal also makes central processing unit recover normal working condition, and then makes mobile terminal recover normal use, makes to embed
The mobile terminal of lithium battery is occurring also automatically recovering normal power supply voltage when power supply is unstable, brings conveniently to user.
Specifically, described step S200 includes：
S201, reset signal generating unit is triggered by reset pulse unit when receiving trigger；
S202, by reset signal generating unit export reset signal；
S203, by level conversion unit, described reset signal is carried out exporting to supply module after level conversion process.
After power detecting module have detected supply voltage and outputs trigger, reset pulse unit triggers reset
Signal generating unit, when being embodied as, reset pulse unit opens crystal oscillation unit when receiving trigger, by crystal
Oscillating unit output reseting pulse signal triggering reset signal generating unit, reset signal generating unit is receiving pulse signal
Produce the reset signal of high level afterwards it is preferable that setting reset signal is Low level effective, interference effect circuit work will not be produced
Make, therefore, carry out after level conversion process, exporting the low level letter that resets by the reset signal of high level by level conversion unit
Number to supply module, this low level reset signal recovers current supply voltage to predetermined reference voltage, realizes embedded electricity
The automatic power voltage amplitude of pond mobile terminal.
Further, described step S100 includes：
S101, by voltage detection unit detect current mobile terminal supply voltage；
S102, by the more described supply voltage of voltage comparison unit and predetermined reference voltage size；
S103, by trigger element supply voltage be less than predetermined reference voltage when, export the first trigger, big in supply voltage
When predetermined reference voltage, export the second trigger.
First detected the supply voltage V0 in currently moving by voltage detection unit, be previously provided with predetermined reference voltage simultaneously
V1, voltage when predetermined reference voltage V1 normally runs for mobile terminal, the more described supply voltage of voltage comparison unit afterwards
V0 box predetermined reference voltage V1, when supply voltage V0 is less than predetermined reference voltage V1, i.e. V0<During V1, trigger element output the
One trigger, is now likely to blank screen or deadlock situation, needs a liter high voltage, and works as supply voltage V0 and be more than default ginseng
When examining voltage V1, i.e. V0>During V1, trigger element exports the second trigger, now because overtension is likely to occur jumping shield
Etc. phenomenon, need to reduce voltage, the size according to supply voltage exports corresponding trigger, makes subsequent reset process more accurate
Really.
Further, described step S202 specifically includes：
When receiving the first trigger, the output of reset signal generating unit raises the first reset signal of supply voltage；
When receiving the second trigger, the output of reset signal generating unit reduces the second reset signal of supply voltage.
When receiving the first trigger, illustrate that now supply voltage V0 is less than predetermined reference voltage V1, reset signal
Generating unit output raises the first reset signal of supply voltage, and supply voltage raises current supply voltage according to this reset signal
Make it restore to predetermined reference voltage；When receiving the second trigger element, illustrate that now supply voltage V0 is more than preset reference
Voltage V1, the output of reset signal generating unit reduces the second reset signal of supply voltage, and supply voltage is according to this reset signal
Reduce current supply voltage and make it restore to predetermined reference voltage, corresponding reset signal is exported according to different supply voltages,
Make follow-up supply module that voltage can be raised and lowered accordingly to process it is ensured that supply voltage in all cases can
Smoothly reset.
The present invention correspondingly provides a kind of mobile terminal supply voltage reset system, as shown in Fig. 2 described mobile terminal supplies
Piezoelectric voltage reset system includes power detecting module 10, reseting module 20 and supply module 30, described power detecting module 10, multiple
Position module 20 and supply module 30 are sequentially connected, and wherein, described power detecting module 10 is used for detecting the confession of current mobile terminal
Piezoelectric voltage simultaneously exports trigger according to the size of supply voltage；Described reseting module 20 is used for being exported according to described trigger
Reset signal is to supply module 30；Described supply module 30 be used for according to described reset signal by current supply voltage recover to
Predetermined reference voltage.
The present invention detects the supply voltage of current mobile terminal by power detecting module 10, according to the size of supply voltage
Judge whether the power supply state of current mobile terminal is normal, and export trigger, reseting module 20 is according to described triggering afterwards
Current supply voltage, to supply module 30, is recovered according to described reset signal by signal output reset signal by supply module 30
To predetermined reference voltage, such as when leading to be operated the problems such as mobile terminal appearance deadlock or blank screen, power detecting
The unexpected reduction of supply voltage that module 10 detects current supply module 30 output leads to this problem, now triggers reseting module 20
Output reset signal, to supply module 30, makes the supply voltage that supply module 30 exports be increased to predetermined reference voltage, that is, recovers
To normal power supply state, this reset signal also makes central processing unit recover normal working condition simultaneously, and then makes mobile terminal
Recover normal to use, make the mobile terminal of embedded lithium battery also can automatically recover normal power supply voltage when appearance power supply is unstable,
Bring conveniently to user.
Specifically, described reseting module 20 includes reset pulse unit 201, reset signal generating unit 202 and level and turns
Change unit 203, described reset pulse unit 201, reset signal generating unit 202 and level conversion unit 203 are sequentially connected, institute
State reset pulse unit 201 and be also connected with power detecting module 10, described level conversion unit 203 is also connected with supply module 30, its
In, described reset pulse unit 201 is used for when receiving trigger triggering reset signal generating unit 202；Described reset
Signal generating unit 202 is used for exporting high level reset signal；Described level conversion unit 203 is used for described high level resets
Signal exports to supply module 30 after being converted to low level reset signal.Specifically refer to the corresponding embodiment of said method.
Further, described power detecting module 10 includes voltage detection unit 101, voltage comparison unit 102 and triggering
Unit 103, described voltage detection unit 101, voltage comparison unit 102 and trigger element 103 are sequentially connected, described trigger element
103 are also connected with reset pulse unit 201, and wherein, described voltage detection unit 101 is used for detecting the power supply electricity of current mobile terminal
Pressure；Described voltage comparison unit 102 is used for the size of relatively described supply voltage and predetermined reference voltage；Described trigger element
103 are used for, when supply voltage is less than predetermined reference voltage, exporting the first trigger, are more than preset reference electricity in supply voltage
During pressure, export the second trigger.Specifically refer to the corresponding embodiment of said method.
Further, described reset signal generating unit 202 is used for when receiving the first trigger, and output raises
First reset signal of supply voltage；When receiving the second trigger, output reduces the second reset signal of supply voltage.
Corresponding reset signal is exported according to different supply voltages, so that follow-up supply module 30 can be raised and lowered accordingly
Voltage is processed it is ensured that supply voltage can smoothly reset in all cases.
The present invention correspondingly provides a kind of mobile terminal, and it includes mobile terminal supply voltage reset system as above
System, due to being described in detail to mobile terminal supply voltage reset system above, is not described further herein.
In sum, in the present invention provides mobile terminal supply voltage repositioning method, system and mobile terminal, described shifting
Dynamic terminal supply voltage repositioning method detects the supply voltage of current mobile terminal and according to power supply electricity by power detecting module
The size output trigger of pressure；Afterwards reset signal is exported to supply module according to described trigger by reseting module；It
According to described reset signal, current supply voltage is recovered to predetermined reference voltage by supply module afterwards, can be moved by detection
The supply voltage of terminal, automatically reset supply voltage in power supply instability, solves and adopts embedded lithium due to mobile terminal
Battery, when the states such as the unstable blank screen leading to of power supply or deadlock, user cannot be by pulling up asking of lithium battery reset start
Topic, enables mobile terminal automatically to recover normal power supply voltage, brings conveniently to user.
It is understood that for those of ordinary skills, with technology according to the present invention scheme and its can send out
Bright design in addition equivalent or change, and all these change or replace the guarantor that all should belong to appended claims of the invention
Shield scope.
Claims (10)
1. a kind of mobile terminal supply voltage repositioning method is it is characterised in that comprise the steps：
A, the supply voltage being detected current mobile terminal by power detecting module the size output triggering letter according to supply voltage
Number；
B, by reseting module according to described trigger export reset signal to supply module；
C, current supply voltage is recovered to predetermined reference voltage according to described reset signal by supply module.
2. mobile terminal supply voltage repositioning method according to claim 1 is it is characterised in that described step B includes walking
Suddenly：
B1, reset signal generating unit is triggered by reset pulse unit when receiving trigger；
B2, by reset signal generating unit export reset signal；
B3, by level conversion unit, described reset signal is carried out exporting to supply module after level conversion process.
3. mobile terminal supply voltage repositioning method according to claim 2 is it is characterised in that described step A includes walking
Suddenly：
A1, by voltage detection unit detect current mobile terminal supply voltage；
A2, by the more described supply voltage of voltage comparison unit and predetermined reference voltage size；
A3, by trigger element supply voltage be less than predetermined reference voltage when, export the first trigger, be more than in supply voltage
During predetermined reference voltage, export the second trigger.
4. mobile terminal supply voltage repositioning method according to claim 3 is it is characterised in that described step B2 is specifically wrapped
Include：
When receiving the first trigger, the output of reset signal generating unit raises the first reset signal of supply voltage；
When receiving the second trigger, the output of reset signal generating unit reduces the second reset signal of supply voltage.
5. mobile terminal supply voltage repositioning method according to claim 2 is it is characterised in that described step B1 is specifically wrapped
Include：
Reset pulse unit opens crystal oscillation unit when receiving trigger, and output reseting pulse signal triggering resets and believes
Number generating unit.
6. a kind of mobile terminal supply voltage reset system is it is characterised in that include：
Power detecting module, for detecting supply voltage the size output triggering letter according to supply voltage of current mobile terminal
Number；
Reseting module, for exporting reset signal to supply module according to described trigger；
Supply module, for recovering current supply voltage to predetermined reference voltage according to described reset signal.
7. mobile terminal supply voltage reset system according to claim 6 is it is characterised in that described reseting module bag
Include：
Reset pulse unit, for triggering reset signal generating unit when receiving trigger；
Reset signal generating unit, for exporting high level reset signal；
Level conversion unit, exports after low level reset signal to power supply mould for being converted to described high level reset signal
Block.
8. mobile terminal supply voltage reset system according to claim 7 is it is characterised in that described power detecting module
Including：
Voltage detection unit, for detecting the supply voltage of current mobile terminal；
Voltage comparison unit, for the size of relatively described supply voltage and predetermined reference voltage；
Trigger element, for when supply voltage is less than predetermined reference voltage, exporting the first trigger, being more than in supply voltage
During predetermined reference voltage, export the second trigger.
9. mobile terminal supply voltage reset system according to claim 8 is it is characterised in that described reset signal occurs
Unit specifically for：
When receiving the first trigger, output raises the first reset signal of supply voltage；
When receiving the second trigger, output reduces the second reset signal of supply voltage.
10. a kind of mobile terminal it is characterised in that the mobile terminal that includes as described in claim 6-9 any one is powered electricity
Pressure reset system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830591.4A CN106445060A (en) | 2016-09-19 | 2016-09-19 | Method and system for supply voltage restoration of mobile terminal and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830591.4A CN106445060A (en) | 2016-09-19 | 2016-09-19 | Method and system for supply voltage restoration of mobile terminal and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106445060A true CN106445060A (en) | 2017-02-22 |
Family
ID=58169332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610830591.4A Pending CN106445060A (en) | 2016-09-19 | 2016-09-19 | Method and system for supply voltage restoration of mobile terminal and mobile terminal |
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Cited By (1)
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Application publication date: 20170222 |