CN107479682A - A kind of WIFI chip power supplies method, power supply unit and mobile terminal - Google Patents
A kind of WIFI chip power supplies method, power supply unit and mobile terminal Download PDFInfo
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- CN107479682A CN107479682A CN201710892535.8A CN201710892535A CN107479682A CN 107479682 A CN107479682 A CN 107479682A CN 201710892535 A CN201710892535 A CN 201710892535A CN 107479682 A CN107479682 A CN 107479682A
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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
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Abstract
The invention discloses a kind of WIFI chip power supplies method, power supply unit and mobile terminal, wherein, it is predeterminated voltage that the WIFI chip power supplies method sets controller to export to the supply voltage of WIFI chips when detecting that WIFI function is opened；The actual power voltage of WIFI chip inputs is detected afterwards, judges whether the actual power voltage is equal to predeterminated voltage；Afterwards when the actual power voltage and predeterminated voltage are unequal, exported according to the actual power voltage-regulation current controller to the supply voltage of WIFI chips, until the actual power voltage of WIFI chip inputs is equal to the predeterminated voltage.In the case where WIFI chips consume curent change, still the supply voltage of WIFI chips can be made to tend towards stability, so as to ensure the WIFI function normal use of mobile terminal, lift the stability of mobile terminal, and the quality of product.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of WIFI chip power supplies method, power supply unit and shifting
Dynamic terminal.
Background technology
WiFi technology is widely used in the terminal at present, and it is the most frequently used work(that people carry out online using WIFI
One of can.Due to the portability of mobile terminal, its position often changes, and causes user's its received signal strength when using WIFI
Also can change；The energy that WIFI can further consumed changes, such as under same operation, in the weak place of WIFI signal
The WIFI of mobile terminal will consume more energy, and will be consumed in the WIFI of the strong local mobile terminal of WIFI signal less
The electric current of energy, i.e. WIFI chips consumption can produce change.
On the other hand, mobile terminal is typically powered using the controller of settable supply voltage to WIFI, and it is powered
Voltage is constant just to be set after unlatching WIFI in the prior art, as shown in Figure 1；If in view of master controller and WIFI chips
Between cabling present in small resistance, as shown in Figure 2, then by prior art, the controller when user opens WIFI
The supply voltage of setting is Uwifi, if the small resistance present in the cabling between controller and WIFI chips is R1, WIFI
The actual power voltage of die terminals input is Vwifi, and the electric current of WIFI chips consumption is Iwifi, then Vwifi=Uwifi-
Iwifi*R1, it can be found that when the electric current Iwifi changes of WIFI chips consumption, the actual power voltage of WIFI die terminals input
It can also change for Vwifi, so that the supply voltage of WIFI chips is unstable.
Thus prior art could be improved and improve.
The 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 WIFI chip power supplies method,
Power supply unit and mobile terminal, in the case where WIFI chips consume curent change, it can still make the supply voltage of WIFI chips
Tend towards stability, so as to ensure the WIFI function normal use of mobile terminal, lift the stability of mobile terminal, and the product of product
Matter.
In order to achieve the above object, this invention takes following technical scheme：
A kind of WIFI chip power supplies method, it comprises the following steps：
It is predeterminated voltage to set controller to export to the supply voltage of WIFI chips when detecting that WIFI function is opened；
The actual power voltage of the WIFI chips input is detected, judges whether the actual power voltage is equal to default electricity
Pressure；
It is defeated according to the actual power voltage-regulation current controller when the actual power voltage and predeterminated voltage are unequal
Go out to the supply voltage of the WIFI chips, until the actual power voltage of the WIFI chips input is equal to the default electricity
Pressure.
In described WIFI chip power supply methods, it is described when detect WIFI function open when set controller export to
The step of supply voltage of WIFI chips is predeterminated voltage includes：
When detecting that WIFI function is opened, the predeterminated voltage prestored is obtained；
It is predeterminated voltage to set controller to export to the supply voltage of WIFI chips.
In described WIFI chip power supply methods, it is described when detect WIFI function open when, obtain prestore it is pre-
If in the step of voltage：
The predeterminated voltage is stored in advance in flash memory, embedded multi-media card and/or electric erazable programmable read-write memory.
In described WIFI chip power supply methods, the actual power voltage of the detection WIFI chips input, sentence
The step of whether the actual power voltage that breaks is equal to predeterminated voltage：
Start the timer that time-out time is preset time；
When the timer expires, the actual power voltage of the WIFI chips input is detected；
Judge whether the actual power voltage is equal to predeterminated voltage.
In described WIFI chip power supply methods, the scope of the preset time is 0.5s-2s.
It is described when the actual power voltage and predeterminated voltage are unequal in described WIFI chip power supply methods, root
Exported according to the actual power voltage-regulation current controller to the supply voltage of the WIFI chips, until the WIFI chips
The actual power voltage of input, which is equal to the step of predeterminated voltage, to be included：
The size of the actual power voltage and predeterminated voltage is contrasted when the actual power voltage and predeterminated voltage are unequal；
If actual power voltage is less than predeterminated voltage, control current controller is exported to the supply voltage increasing of the WIFI chips
Greatly；If actual power voltage is more than predeterminated voltage, control current controller, which is exported to the supply voltage of the WIFI chips, to be subtracted
It is small, until the actual power voltage of the WIFI chips input is equal to the predeterminated voltage.
In described WIFI chip power supply methods, it is described when detect WIFI function open when set controller export to
Before the step of supply voltage of WIFI chips is predeterminated voltage, in addition to：
The supply voltage that controller is exported to the WIFI chips is divided into some shelves in advance, and each gear sets corresponding power supply
Voltage.
In described WIFI chip power supply methods, if the actual power voltage is less than predeterminated voltage, current control is controlled
Device processed is exported to the supply voltage increase of the WIFI chips；If actual power voltage is more than predeterminated voltage, current control is controlled
Device processed is exported to the supply voltage reduction of the WIFI chips, until the actual power voltage of the WIFI chips input is equal to
The step of predeterminated voltage, specifically includes：
If actual power voltage is less than predeterminated voltage, rise current controller is exported to the supply voltage of the WIFI chips
Gear；If actual power voltage is more than predeterminated voltage, reduces current controller and export to the supply voltage of the WIFI chips
Gear, until the actual power voltage of the WIFI chips input is equal to the predeterminated voltage.
A kind of WIFI chip power supplies equipment, it includes processor, the memory being connected with the processor communication, described to deposit
Reservoir is stored with computer program, and the computer program is executed by processor to realize WIFI chip power supply sides as described above
Method；The processor is used to call the computer program in the memory, to perform WIFI chip power supply sides as described above
Method.
A kind of mobile terminal, it includes WIFI chip power supplies equipment as described above.
It is described in WIFI chip power supplies method provided by the invention, power supply unit and mobile terminal compared to prior art
It is pre- that WIFI chip power supplies method sets controller to export to the supply voltage of WIFI chips when detecting that WIFI function is opened
If voltage；The actual power voltage of the WIFI chips input is detected afterwards, judges whether the actual power voltage is equal to
Predeterminated voltage；Afterwards when the actual power voltage and predeterminated voltage are unequal, worked as according to the actual power voltage-regulation
Preceding controller is exported to the supply voltage of the WIFI chips, until the actual power voltage of the WIFI chips input is equal to
The predeterminated voltage.In the case where WIFI chips consume curent change, it can still make the supply voltage of WIFI chips tend to be steady
It is fixed, so as to ensure the WIFI function normal use of mobile terminal, lift the stability of mobile terminal, and the quality of product.
Brief description of the drawings
Fig. 1 is the first power supply schematic diagram of controller and WIFI chips in the prior art.
Fig. 2 is the second power supply schematic diagram of controller and WIFI chips in the prior art.
The flow chart of Fig. 3 WIFI chip power supplies methods provided by the invention.
Fig. 4 is the structured flowchart of WIFI chip power supplies equipment provided by the invention.
Embodiment
In view of the curent change of WIFI chips consumption can cause the actual power voltage change of input in the prior art so that
The shortcomings of WIFI chip power supply spread of voltages, it is an object of the invention to provide a kind of WIFI chip power supplies method, power supply to set
Standby and mobile terminal, in the case where WIFI chips consume curent change, it can still make the supply voltage of WIFI chips tend to be steady
It is fixed, so as to ensure the WIFI function normal use of mobile terminal, lift the stability of mobile terminal, and the quality of product.
To make 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 is further described.It should be appreciated that specific embodiment described herein is not used to only to explain the present invention
Limit the present invention.
Referring to Fig. 3, WIFI chip power supplies method provided by the invention comprises the following steps：
S100, when detecting that WIFI function is opened setting controller, to export to the supply voltage of WIFI chips be predeterminated voltage；
S200, the detection WIFI chips input actual power voltage, it is pre- to judge whether the actual power voltage is equal to
If voltage；
S300, when the actual power voltage and unequal predeterminated voltage, currently controlled according to the actual power voltage-regulation
Device processed is exported to the supply voltage of the WIFI chips, until the actual power voltage of the WIFI chips input is equal to described
Predeterminated voltage.
WIFI chip power supplies method provided by the invention is when the WIFI function for detecting mobile terminal is opened, by controller
Export to the supply voltage of WIFI chips and be arranged to predeterminated voltage, detect the actual power voltage of WIFI chip inputs afterwards,
Judge whether the actual power voltage is equal to predeterminated voltage, due to the location of mobile terminal and environmental factor, WIFI cores
The electric current of piece consumption can produce change, it is contemplated that line equivalent resistance, then the actual power voltage of WIFI chips input may
It is unequal with predeterminated voltage and change with the change of electric current, thus WIFI chip inputs actual power voltage with it is pre-
If voltage is unequal, exported according to the actual power voltage-regulation current controller to the supply voltage of WIFI chips, directly
Actual power voltage to WIFI chip inputs is equal to the predeterminated voltage, i.e., according to the real-time adjustment control of actual power voltage
The supply voltage of device output, and continue to detect the actual power voltage of WIFI chip inputs, until the two is equal, so that
The supply voltage of WIFI chips tends towards stability, and so as to ensure the WIFI function normal use of mobile terminal, lifts mobile terminal
Stability.
Specifically, the step S100 includes step：
S101, when detect WIFI function open when, obtain the predeterminated voltage prestored；
S102, setting controller, to export to the supply voltage of WIFI chips be predeterminated voltage.
I.e. described predeterminated voltage is stored in advance in fixed position, when detecting that WIFI function is opened, then obtains pre-
The predeterminated voltage first stored, it is preferable that the default level pressure is stored in advance in power down nonvolatile memory, such as is stored in sudden strain of a muscle
Deposit（FLASH memory）, embedded multi-media card（EMMC）And/or electric erazable programmable read-write memory（EEPROM）In, really
The safety and stability of predeterminated voltage data storage is protected, controller is then set to WIFI chips after obtaining the predeterminated voltage
Supply voltage is the predeterminated voltage, i.e., when WIFI function is opened, the supply voltage of controller output is predeterminated voltage, is ensured
WIFI chip energy normal works, will not or too small cause wafer damage or can not start the problems such as excessive because of supply voltage.
Further, the step S200 includes step：
S201, start the timer that time-out time is preset time；
S202, when the timer expires, detects the actual power voltage of the WIFI chips input；
S203, judge whether the actual power voltage is equal to predeterminated voltage.
When detecting the actual power voltage of WIFI chip inputs, after WIFI function is started, first start a time-out
Time is the timer of preset time, when the timer expires, detects the actual power voltage of WIFI chip inputs, and judge
Whether the actual power voltage is equal to predeterminated voltage.WIFI chip inputs are detected when WIFI function opens preset time
Actual power voltage so that detect the actual power voltage again after powered stable, ensure the standard of actual power voltage detecting
True property, avoid because power supply instability causes voltage detecting inaccurate, influenceing follow-up judgement regulation process.In the present embodiment,
The scope of the preset time is 0.5s-2s, preferably 1s, can specifically be adjusted according to the actual requirements, and the present invention is not limited this
It is fixed.
Further, the step S300 includes step：
S301, contrast the actual power voltage and predeterminated voltage when the actual power voltage and predeterminated voltage are unequal
Size；
If S302, actual power voltage are less than predeterminated voltage, control current controller is exported to the power supply of the WIFI chips
Voltage increases；If actual power voltage is more than predeterminated voltage, control current controller is exported to the power supply of the WIFI chips
Voltage reduces, until the actual power voltage of the WIFI chips input is equal to the predeterminated voltage.
In the present embodiment, when detecting that actual power voltage is unequal with predeterminated voltage, the actual power electricity is contrasted
Pressure and the size of predeterminated voltage, the supply voltage exported according to comparing result adjustment control device, specifically, working as actual power voltage
During less than predeterminated voltage, then the supply voltage increase of current controller output is controlled, and then cause the reality of WIFI chip inputs
Border supply voltage increase, until actual power voltage is equal to predeterminated voltage；And when actual power voltage is more than predeterminated voltage, then
Control the supply voltage of current controller output to reduce, and then the actual power voltage of WIFI chip inputs is reduced, directly
It is equal to predeterminated voltage to actual power voltage, so as to cause the unstable situation of supply voltage in WIFI chips consumption curent change
Under, the supply voltage that can be exported in real time according to actual power voltage to controller is modulated, and ensures the power supply electricity of WIFI chips
Pressure is stable so that the WIFI function of mobile terminal can normal use in different environment.
Specifically, it is contemplated that the factor such as error, when judging whether actual power voltage is equal with predeterminated voltage, work as reality
When the absolute value of difference between border supply voltage and predeterminated voltage is less than or equal to 50mV, then judge that the two is equal, is not entered
The follow-up regulation process of row；And when the absolute value of the difference between actual power voltage and predeterminated voltage is more than 50mV, then sentence
It is unequal both disconnected, continue to contrast magnitude relationship therebetween, when predeterminated voltage, which subtracts actual power voltage, is more than 50mV,
Comparing result is that actual power voltage is less than predeterminated voltage；And when actual power voltage subtracts predeterminated voltage and is more than 50mV, it is right
It is that actual power voltage is more than predeterminated voltage than result, voltage-regulation is carried out according to comparing result afterwards.
Further, step is also included before the step S100：
S110, the supply voltage for exporting controller to the WIFI chips are divided into some shelves in advance, and each gear sets corresponding
Supply voltage.
In the present embodiment, the supply voltage that controller exports is divided into some shelves in advance, each gear is respectively provided with accordingly
Supply voltage, with the rise then supply voltage increase of gear, gear lowers then supply voltage and reduced, specifically can be according to power supply electricity
The maximum and minimum value of pressure set numbers of gear steps and step-length, improve the accuracy of supply voltage regulation.
Further, when being powered voltage-regulation, the step S302 is specifically included：If actual power voltage is small
In predeterminated voltage, then the gear that current controller exports the supply voltage to WIFI chips is raised；If actual power voltage is more than
Predeterminated voltage, then the gear that current controller exports the supply voltage to WIFI chips is reduced, until WIFI chip inputs
Actual power voltage is equal to the predeterminated voltage.
I.e. in the supply voltage of adjustment control device output, preset when the actual power voltage of WIFI chip inputs is less than
During voltage, the gear of current supply voltage is raised so that the supply voltage rise of controller output, and then make it that WIFI chips are defeated
Enter the actual power voltage increase at end, until actual power voltage is equal to predeterminated voltage；When the actual confession of WIFI chip inputs
When piezoelectric voltage is more than predeterminated voltage, then the gear of current supply voltage is reduced so that the supply voltage of controller output reduces, and enters
And make it that the actual power voltage of WIFI chip inputs reduces, until actual power voltage is equal to predeterminated voltage, so that
In the case that WIFI chips consumption curent change causes supply voltage unstable, the gear that can adjust supply voltage realizes power supply electricity
The accurate adjustment of pressure so that mobile terminal uses WIFI function in different external environment conditions, causes WIFI chips to consume curent change
In the case of, it the actual power voltage of WIFI chips is tended towards stability, so as to ensure the WIFI function of mobile terminal just
Often use, lift the stability of mobile terminal, and the quality of product.
Based on above-mentioned WIFI chip power supplies method, the present invention correspondingly provides a kind of WIFI chip power supplies equipment, such as Fig. 4 institutes
Show, the WIFI chip power supplies equipment includes processor 10, the memory 20 with the processor 10 communication connection, and is used for
The communication interface 30 of signal transmission, the processor 10, memory block 20 and communication interface 30 are connected by communication bus 40.
Wherein, the memory 20 is stored with computer program, and the computer program is performed as described above to realize by processor 10
WIFI chip power supply methods；The processor 10 is used to call the computer program in the memory 20, to perform as above
Described WIFI chip power supply methods.Due to the WIFI chip power supplies method being described in detail above, herein not
It is described further, referring specifically to embodiment corresponding to the above method.
The present invention correspondingly provides a kind of mobile terminal, and it includes WIFI chip power supplies equipment as described above, due to upper
The WIFI chip power supplies equipment is described in detail for text, is not described further herein.
In summary, in WIFI chip power supplies method provided by the invention, power supply unit and mobile terminal, the WIFI cores
It is predeterminated voltage that piece method of supplying power to sets controller to export to the supply voltage of WIFI chips when detecting that WIFI function is opened；
The actual power voltage of WIFI chip inputs is detected afterwards, judges whether the actual power voltage is equal to predeterminated voltage；It
Afterwards when the actual power voltage and predeterminated voltage are unequal, exported according to the actual power voltage-regulation current controller
To the supply voltage of WIFI chips, until the actual power voltage of WIFI chip inputs is equal to the predeterminated voltage.In WIFI
In the case of chip consumption curent change, still the supply voltage of WIFI chips can be made to tend towards stability, so as to ensure mobile terminal
WIFI function normal use, lift the stability of mobile terminal, and the quality of product.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (10)
- A kind of 1. WIFI chip power supplies method, it is characterised in that comprise the following steps：It is predeterminated voltage to set controller to export to the supply voltage of WIFI chips when detecting that WIFI function is opened；The actual power voltage of the WIFI chips input is detected, judges whether the actual power voltage is equal to default electricity Pressure；It is defeated according to the actual power voltage-regulation current controller when the actual power voltage and predeterminated voltage are unequal Go out to the supply voltage of the WIFI chips, until the actual power voltage of the WIFI chips input is equal to the default electricity Pressure.
- 2. WIFI chip power supplies method according to claim 1, it is characterised in that described to detect that WIFI function is opened When set controller to export to WIFI chips supply voltage the step of being predeterminated voltage include：When detecting that WIFI function is opened, the predeterminated voltage prestored is obtained；It is predeterminated voltage to set controller to export to the supply voltage of WIFI chips.
- 3. WIFI chip power supplies method according to claim 2, it is characterised in that described to detect that WIFI function is opened When, in the step of obtaining the predeterminated voltage prestored：The predeterminated voltage is stored in advance in flash memory, embedded multi-media card and/or electric erazable programmable read-write memory.
- 4. WIFI chip power supplies method according to claim 1, it is characterised in that the detection WIFI chips input The actual power voltage at end, the step of whether the actual power voltage is equal to predeterminated voltage judged：Start the timer that time-out time is preset time；When the timer expires, the actual power voltage of the WIFI chips input is detected；Judge whether the actual power voltage is equal to predeterminated voltage.
- 5. WIFI chip power supplies method according to claim 4, it is characterised in that the scope of the preset time is 0.5s-2s。
- 6. WIFI chip power supplies method according to claim 1, it is characterised in that it is described when the actual power voltage with When predeterminated voltage is unequal, exported according to the actual power voltage-regulation current controller to the power supply electricity of the WIFI chips Pressure, includes the step of the actual power voltage of the WIFI chips input is equal to the predeterminated voltage：The size of the actual power voltage and predeterminated voltage is contrasted when the actual power voltage and predeterminated voltage are unequal；If actual power voltage is less than predeterminated voltage, control current controller is exported to the supply voltage increasing of the WIFI chips Greatly；If actual power voltage is more than predeterminated voltage, control current controller, which is exported to the supply voltage of the WIFI chips, to be subtracted It is small, until the actual power voltage of the WIFI chips input is equal to the predeterminated voltage.
- 7. WIFI chip power supplies method according to claim 6, it is characterised in that described to detect that WIFI function is opened When set controller to export to WIFI chips supply voltage the step of being predeterminated voltage before, in addition to：The supply voltage that controller is exported to the WIFI chips is divided into some shelves in advance, and each gear sets corresponding power supply Voltage.
- 8. WIFI chip power supplies method according to claim 7, it is characterised in that if the actual power voltage is less than in advance If voltage, then current controller is controlled to export to the supply voltage increase of the WIFI chips；If actual power voltage is more than pre- If voltage, then current controller is controlled to export to the supply voltage reduction of the WIFI chips, until the WIFI chips input The actual power voltage at end is equal to the step of predeterminated voltage and specifically included：If actual power voltage is less than predeterminated voltage, rise current controller is exported to the supply voltage of the WIFI chips Gear；If actual power voltage is more than predeterminated voltage, reduces current controller and export to the supply voltage of the WIFI chips Gear, until the actual power voltage of the WIFI chips input is equal to the predeterminated voltage.
- A kind of 9. WIFI chip power supplies equipment, it is characterised in that the storage being connected including processor, with the processor communication Device, the memory storage have computer program, and the computer program is executed by processor to realize such as claim 1 ~ 8 times WIFI chip power supply methods described in meaning one；The processor is used to call the computer program in the memory, to hold WIFI chip power supply method of the row as described in claim 1 ~ 8 any one.
- 10. a kind of mobile terminal, it is characterised in that including WIFI chip power supplies equipment as claimed in claim 9.
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| CN201710892535.8A CN107479682A (en) | 2017-09-27 | 2017-09-27 | A kind of WIFI chip power supplies method, power supply unit and mobile terminal |
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| CN201710892535.8A CN107479682A (en) | 2017-09-27 | 2017-09-27 | A kind of WIFI chip power supplies method, power supply unit and mobile terminal |
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| CN109683652A (en) * | 2018-12-21 | 2019-04-26 | 惠州Tcl移动通信有限公司 | WIFI voltage control method, device, mobile terminal and storage medium |
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| CN101989760A (en) * | 2010-12-02 | 2011-03-23 | 惠州Tcl移动通信有限公司 | Charging control module and charging control method thereof |
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