CN110045807A - A kind of voltage control method and terminal - Google Patents

A kind of voltage control method and terminal Download PDF

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Publication number
CN110045807A
CN110045807A CN201910349991.7A CN201910349991A CN110045807A CN 110045807 A CN110045807 A CN 110045807A CN 201910349991 A CN201910349991 A CN 201910349991A CN 110045807 A CN110045807 A CN 110045807A
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CN
China
Prior art keywords
voltage
voltage value
load
conversion chip
power conversion
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Pending
Application number
CN201910349991.7A
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Chinese (zh)
Inventor
许贻勇
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to CN201910349991.7A priority Critical patent/CN110045807A/en
Publication of CN110045807A publication Critical patent/CN110045807A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 – G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L5/00Automatic control of voltage, current, or power

Abstract

The present invention provides a kind of voltage control method and terminal, this method is applied to terminal, the terminal includes power supply, load and power conversion chip, and the power conversion chip is connected with the power supply and load respectively, this method comprises: detecting the voltage value of the input terminal of the load;Except the voltage value is in predetermined voltage range, adjust the output voltage of the power conversion chip, it is in the voltage value of the input terminal of the load in the predetermined voltage range, the predetermined voltage range is greater than the first voltage value and to be less than second voltage value.The present invention can be under the premise of proof load operating voltage, reduce the requirement to power conversion chip output voltage precision and load transients response characteristic, the control for walking line impedence for being output to load input to power conversion chip is reduced, the actual design difficulty of electronic equipment is substantially reduced.

Description

A kind of voltage control method and terminal
Technical field
The present embodiments relate to communication application more particularly to a kind of voltage control method and terminals.
Background technique
In the electronic device, voltage differences required for different loads work are very big.It takes the mobile phone as an example, the load of high voltage Reach and lied prostrate ten more, the voltage range of low middle voltage loads is also wider, such as 0.5V to 2.8V, therefore, negative in order to meet these The operating voltage needed is carried, needing that cell voltage is converted into load by the power conversion chip of intermediate level-one or multistage need to After the voltage wanted, then corresponding load is powered.
In order to be in the operating voltage of load in its voltage range, need to be output in view of power supply in the prior art negative Carry walked between input problem of pressure drop caused by line impedence and loaded work piece voltage to power conversion chip output voltage precision and The requirement of load transient response characteristic, in this way, the problem of will lead to electronic equipment cost and the increase of actual design difficulty.
Summary of the invention
The embodiment of the present invention provides a kind of voltage control method and terminal, with solve be proof load operating voltage stabilization Property and caused by electronic equipment cost and actual design difficulty the problem of increasing.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, being applied to terminal the embodiment provides a kind of voltage control method, the terminal includes Power supply, load and power conversion chip, the power conversion chip are connected with the power supply and load respectively, the method packet It includes:
Detect the voltage value of the input terminal of the load;
Except the voltage value is in predetermined voltage range, the output electricity of the power conversion chip is adjusted Pressure, be in the voltage value of the input terminal of the load in the predetermined voltage range, and the predetermined voltage range is greater than the One voltage value and be less than second voltage value.
Second aspect, the embodiments of the present invention also provide a kind of terminal, the terminal includes that power supply, load and power supply turn Chip is changed, the power conversion chip is connected with the power supply and load respectively, further includes:
Detection module, the voltage value of the input terminal for detecting the load;
Control module turns for except the voltage value is in predetermined voltage range, adjusting the power supply The output voltage for changing chip is in the voltage value of the input terminal of the load in the predetermined voltage range, the default electricity Pressing range is greater than the first voltage value and to be less than second voltage value.
The third aspect the embodiment of the invention also provides a kind of terminal, including processor, memory and is stored in described deposit On reservoir and the computer program that can run on the processor, the computer program are realized when being executed by the processor The step of voltage control method as described above.
Fourth aspect, it is described computer-readable to deposit the embodiment of the invention also provides a kind of computer readable storage medium Computer program is stored on storage media, the computer program realizes voltage controlling party as described above when being executed by processor The step of method.
In the above scheme of the embodiment of the present invention, pass through the voltage value of the input terminal of detection load;It is in the voltage value In the case where except predetermined voltage range, the output voltage of power conversion chip is adjusted, is in the voltage of the input terminal of load In predetermined voltage range, predetermined voltage range is greater than the first voltage value and is less than second voltage value, in this way, passing through above-mentioned software control System can be reduced and be rung to power conversion chip output voltage precision and load transients under the premise of proof load operating voltage The requirement of characteristic is answered, the control for walking line impedence for being output to load input to power conversion chip is reduced, substantially reduces electronics and set Standby actual design difficulty.
Detailed description of the invention
Fig. 1 is the flow diagram of voltage control method provided in an embodiment of the present invention;
Fig. 2 is one of the hardware structural diagram of terminal provided in an embodiment of the present invention;
Fig. 3 is the structural schematic diagram of terminal provided in an embodiment of the present invention;
Fig. 4 is the two of the hardware structural diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
As shown in Figure 1, being the flow diagram of voltage control method provided in an embodiment of the present invention.This method is applied to eventually End.
Specifically, this method can be applied particularly to the terminal for the hardware configuration for having as shown in Figure 2.The terminal includes: electricity Source 21, power conversion chip 22, load 23 and detection control module 24.Wherein, the power conversion chip 22 is separately connected The power supply 21 and the load 23, the detection control module 24 is separately connected the power conversion chip 22 and the load 23。
This method can include:
Step 101, the voltage value of the input terminal of the load is detected.
In this step, specifically, the voltage value of the input terminal of load described in real-time detection, its purpose is to once examine When measuring the voltage value of the input terminal of load beyond predetermined voltage range, the voltage value to the output end of load it can make in time It adjusts out, the normal work of proof load.
Step 102, except the voltage value is in predetermined voltage range, the power conversion chip is adjusted Output voltage, be in the voltage value of the input terminal of the load in the predetermined voltage range, the predetermined voltage range For greater than the first voltage value and less than second voltage value.
In this step, the case where voltage value is in except predetermined voltage range, may particularly include: the voltage value is big In or be equal to the first voltage value the case where;Alternatively, the voltage value is less than or equal to the case where second voltage value.
It should be noted that the first voltage value and second voltage value are the voltage values that load works normally.
Here, due to power conversion chip and load connection, the i.e. input terminal of the output end of power conversion chip and load Connection adjusts the output voltage of power conversion chip, namely adjusts the voltage of the input terminal of load.That is, by electricity The adjustment of the output voltage of source conversion chip can achieve the purpose that the voltage of the input terminal of Indirect method load, to guarantee negative The normal work of load.
Voltage control method provided in an embodiment of the present invention passes through the voltage value of the input terminal of detection load;In the voltage In the case that value is except predetermined voltage range, the output voltage of power conversion chip is adjusted, makes the electricity of the input terminal of load Pressure is in predetermined voltage range, and predetermined voltage range is greater than the first voltage value and to be less than second voltage value, in this way, by upper Software control is stated, can reduce to power conversion chip output voltage precision and bear under the premise of proof load operating voltage The requirement of instant response characteristic is carried, the control for walking line impedence for being output to load input to power conversion chip is reduced, drops significantly The actual design difficulty of low electronic equipment.
Optionally, the first voltage value is the sum of minimum value and first voltage surplus of the load;Institute State the difference of the maximum working voltage that second voltage value is the load and second voltage surplus.
Here, specifically, V1It is expressed as the first voltage value, V2It is expressed as second voltage value.That is V1=Vmin+Va;V2=Vmax+ Vb.Wherein, VminIndicate the minimum value of load;VmaxIndicate the maximum working voltage value of load;VaIndicate first voltage Surplus;VbIndicate second voltage surplus.
It should be noted that V2> V1, Va>=0, Vb≥0。Va、VbIt can preset, can also be set using system default, It can also set, be not specifically limited here as the case may be.
Work as VaWhen=0, V1Value is the minimum value of load;Work as VbWhen=0, V2Value is the maximum work of load Make voltage value.
Based on embodiment shown in FIG. 1, as an optionally implementation, step 102 can include:
In the case where the voltage value is less than or equal to the first voltage value, the power conversion chip is turned up Output voltage.
In this step, in the case that the voltage value of load is less than or equal to the first voltage value, illustrate the voltage value of load It is lower and exceed predetermined voltage range, so, by be turned up power conversion chip output voltage reach indirectly be turned up load The purpose of the voltage of input terminal.
Based on embodiment shown in FIG. 1, as another optionally implementation, step 102 can include:
In the case where the voltage value is more than or equal to the second voltage value, the power conversion chip is turned down Output voltage.
In this step, in the case that the voltage value of load is more than or equal to second voltage value, illustrate the voltage value of load It is higher and exceed predetermined voltage range, so, the output voltage by turning down power conversion chip, which reaches, turns down load indirectly The purpose of the voltage of input terminal.
Based on embodiment shown in FIG. 1, as an optionally implementation, the power supply conversion core is adjusted in step 102 The output voltage of piece, it may include:
The output voltage of the power conversion chip is adjusted to target voltage values, the target voltage values are in described default In voltage range.
Here, target voltage values can be set as the case may be.For example, being required for operating voltage upper and lower limits relatively narrow Load, preferably, target voltage values value be the loaded work piece when representative value.
And in order to reduce power consumption when loaded work piece, it is preferred that target voltage values value is the first voltage value.It is, Close to the minimum of load.
Based on embodiment shown in FIG. 1, as another optionally implementation, the power supply conversion is adjusted in step 102 The output voltage of chip, it may include:
The output voltage of the power conversion chip is adjusted according to preset step-length, until the voltage of the input terminal of the load Value is in the predetermined voltage range.
It should be noted that the present invention provides the adjustment mode of the output voltage of above two power conversion chip, In, in the case where the voltage value is less than or equal to the first voltage value, the output of the power conversion chip is turned up Two ways described above can be used in the specific means of voltage regulation of voltage;It is more than or equal to described the in the voltage value In the case where two voltage values, above-mentioned institute is can be used in the specific means of voltage regulation for turning down the output voltage of the power conversion chip The two ways stated.
It should also be noted that, voltage control method of the invention can be executed by detection control module 24 as shown in Figure 2, Terminal may also include analog-to-digital conversion module, i.e. ADC module, and the analog-to-digital conversion module is built-in in detection control module 24, and negative Carry 23 input pin connection;In addition, the analog-to-digital conversion module is also built-in in load 23, it is connect with detection control module 24.
Here, analog-to-digital conversion module is used to detect the voltage value of the input terminal of load 23.
Specifically, terminal booting when, can by load 23 minimum Vmin, maximum working voltage Vmax, first Voltage margin VaAnd second voltage surplus VbWrite-in detection control module 24.
It should be noted that for the margin voltage left and taken, i.e. first voltage surplus VaWith second voltage surplus Vb, can root It is set according to the voltage threshold of each load and detection control module 24 is written.
The voltage that 24 real-time detection of control module loads 23 input terminals is detected, according to the input terminal of the load 23 detected Voltage value V and the first voltage value Vmin+VaAnd second voltage value Vmax+VbIt is compared;If V≤Vmin+Va, then height-regulating power supply is controlled The voltage of conversion chip 22;If V >=Vmax+Vb, then the voltage of power conversion chip 22 is turned down in control.
Voltage control method provided in an embodiment of the present invention, by the voltage value for detecting load input terminal;In the voltage value In the case where except predetermined voltage range, the output voltage of power conversion chip is adjusted, makes the voltage of the input terminal of load In predetermined voltage range, predetermined voltage range is greater than the first voltage value and is less than second voltage value, in this way, by above-mentioned soft Part control can reduce under the premise of proof load operating voltage to power conversion chip output voltage precision and load wink Between response characteristic requirement, reduce to power conversion chip be output to load input the control for walking line impedence, substantially reduce electricity The actual design difficulty of sub- equipment.
Based on the above method, the embodiment of the present invention provides a kind of terminal to realize the above method.
As shown in figure 3, being the structural schematic diagram of terminal provided in an embodiment of the present invention.The embodiment of the present invention provides a kind of end End 300, the terminal 300 include power supply, load and power conversion chip, the power conversion chip respectively with the power supply and bear Connection is carried, can also include:
Detection module 301, the voltage value of the input terminal for detecting the load;
Control module 302, for adjusting the power supply except the voltage value is in predetermined voltage range The output voltage of conversion chip is in the voltage value of the input terminal of the load in the predetermined voltage range, described default Voltage range is greater than the first voltage value and to be less than second voltage value.
Preferably, the first voltage value is the sum of minimum value and first voltage surplus of the load;Institute State the difference of maximum working voltage value and second voltage surplus that second voltage value is the load.
Optionally, the control module 302 can include:
First control unit, for being turned up in the case where the voltage value is less than or equal to the first voltage value The output voltage of the power conversion chip.
Optionally, the control module 302 can include:
Second control unit, for turning down in the case where the voltage value is more than or equal to the second voltage value The output voltage of the power conversion chip.
Optionally, the control module 302 can include:
Third control unit, for adjusting the output voltage of the power conversion chip to target voltage values, the target Voltage value is in the predetermined voltage range.
Optionally, the control module 302 can include:
4th control unit, for adjusting the output voltage of the power conversion chip according to preset step-length, until described The voltage value of the input terminal of load is in the predetermined voltage range.
Terminal provided in an embodiment of the present invention can be realized each mistake that terminal is realized in the embodiment of the method for Fig. 1 to Fig. 2 Journey, to avoid repeating, which is not described herein again.
Terminal provided in an embodiment of the present invention passes through the voltage value of the input terminal of detection module detection load;Control module Except the voltage value is in predetermined voltage range, the output voltage of power conversion chip is adjusted, makes the defeated of load The voltage for entering end is in predetermined voltage range, and predetermined voltage range is greater than the first voltage value and to be less than second voltage value, such as This can be reduced under the premise of proof load operating voltage to power conversion chip output voltage by above-mentioned software control The requirement of precision and load transients response characteristic reduces the control for walking line impedence that load input is output to power conversion chip System, substantially reduces the actual design difficulty of electronic equipment.
A kind of hardware structural diagram of Fig. 4 terminal of each embodiment to realize the present invention.
The terminal 400 includes but is not limited to: radio frequency unit 401, network module 402, audio output unit 403, input are single Member 404, sensor 405, display unit 406, user input unit 407, interface unit 408, memory 409, processor 410, And the equal components of power supply 411.It will be understood by those skilled in the art that the not structure paired terminal of terminal structure shown in Fig. 4 It limits, terminal may include perhaps combining certain components or different component layouts than illustrating more or fewer components. In embodiments of the present invention, terminal includes but is not limited to that mobile phone, tablet computer, laptop, palm PC, car-mounted terminal are set Standby, wearable device and pedometer etc..
Wherein, processor 410 is used to detect the voltage value of the input terminal of load;Predeterminated voltage model is in the voltage value In the case where except enclosing, the output voltage of power conversion chip is adjusted, the voltage value of the input terminal of the load is made to be in described In predetermined voltage range, the predetermined voltage range is greater than the first voltage value and to be less than second voltage value.
In the embodiment of the present invention, pass through the voltage value of the input terminal of detection load;Predeterminated voltage model is in the voltage value In the case where except enclosing, the output voltage of power conversion chip is adjusted, the voltage of the input terminal of load is made to be in predeterminated voltage model In enclosing, predetermined voltage range is greater than the first voltage value and to be less than second voltage value, can in this way, by above-mentioned software control Under the premise of proof load operating voltage, reduce to power conversion chip output voltage precision and load transients response characteristic It is required that reducing the control for walking line impedence for being output to load input to power conversion chip, the reality of electronic equipment is substantially reduced Design difficulty.
It should be understood that the embodiment of the present invention in, radio frequency unit 401 can be used for receiving and sending messages or communication process in, signal Send and receive, specifically, by from base station downlink data receive after, to processor 410 handle;In addition, by uplink Data are sent to base station.In general, radio frequency unit 401 includes but is not limited to antenna, at least one amplifier, transceiver, coupling Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 401 can also by wireless communication system and network and other set Standby communication.
Terminal provides wireless broadband internet by network module 402 for user and accesses, and such as user is helped to receive and dispatch electricity Sub- mail, browsing webpage and access streaming video etc..
Audio output unit 403 can be received by radio frequency unit 401 or network module 402 or in memory 409 The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 403 can also provide and end The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that end 400 executes.Sound Frequency output unit 403 includes loudspeaker, buzzer and receiver etc..
Input unit 404 is for receiving audio or video signal.Input unit 404 may include graphics processor (Graphics Processing Unit, GPU) 4041 and microphone 4042, graphics processor 4041 is in video acquisition mode Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out Reason.Treated, and picture frame may be displayed on display unit 406.Through graphics processor 4041, treated that picture frame can be deposited Storage is sent in memory 409 (or other storage mediums) or via radio frequency unit 401 or network module 402.Mike Wind 4042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be The format output that mobile communication base station can be sent to via radio frequency unit 401 is converted in the case where telephone calling model.
Terminal 400 further includes at least one sensor 405, such as optical sensor, motion sensor and other sensors. Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light Light and shade adjusts the brightness of display panel 4061, and proximity sensor can close display panel when terminal 400 is moved in one's ear 4061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) and add The size of speed can detect that size and the direction of gravity when static, it is (such as vertical and horizontal to can be used to identify mobile terminal device posture Shield switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.;Sensor 405 It can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, hygrometer, temperature Meter, infrared sensor etc. are spent, details are not described herein.
Display unit 406 is for showing information input by user or being supplied to the information of user.Display unit 406 can wrap Display panel 4061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 4061.
User input unit 407 can be used for receiving the number or character information of input, and generation and mobile terminal device User setting and function control related key signals input.Specifically, user input unit 407 includes touch panel 4071 And other input equipments 4072.Touch panel 4071, also referred to as touch screen collect the touch behaviour of user on it or nearby Make (for example user uses any suitable objects or attachment such as finger, stylus on touch panel 4071 or in touch panel Operation near 4071).Touch panel 4071 may include both touch detecting apparatus and touch controller.Wherein, it touches Detection device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller;Touching It touches controller and receives touch information from touch detecting apparatus, and be converted into contact coordinate, then give processor 410, connect It receives the order that processor 410 is sent and is executed.Furthermore, it is possible to using resistance-type, condenser type, infrared ray and surface acoustic wave Equal multiple types realize touch panel 4071.In addition to touch panel 4071, user input unit 407 can also include other inputs Equipment 4072.Specifically, other input equipments 4072 can include but is not limited to physical keyboard, function key (such as volume control Key, switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 4071 can be covered on display panel 4061, when touch panel 4071 is detected at it On or near touch operation after, send processor 410 to determine the type of touch event, be followed by subsequent processing device 410 according to touching The type for touching event provides corresponding visual output on display panel 4061.Although in Fig. 4, touch panel 4071 and display Panel 4061 is the function that outputs and inputs of realizing mobile terminal device as two independent components, but in certain implementations In example, touch panel 4071 and display panel 4061 can be integrated and be realized the function that outputs and inputs of mobile terminal device, Specifically herein without limitation.
Interface unit 408 is the interface that external device (ED) is connect with terminal 400.For example, external device (ED) may include it is wired or Wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, memory card port, For connecting port, the port audio input/output (I/O), video i/o port, ear port of the device with identification module Etc..Interface unit 408 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and will One or more elements that the input received is transferred in terminal 400 or can be used for terminal 400 and external device (ED) it Between transmit data.
Memory 409 can be used for storing software program and various data.Memory 409 can mainly include storing program area The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function Sound playing function, image player function etc.) etc.;Storage data area can store according to mobile phone use created data (such as Audio data, phone directory etc.) etc..In addition, memory 409 may include high-speed random access memory, it can also include non-easy The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 410 is the control centre of mobile terminal device, utilizes various interfaces and the entire mobile terminal of connection The various pieces of equipment by running or execute the software program and/or module that are stored in memory 409, and are called and are deposited The data in memory 409 are stored up, the various functions and processing data of mobile terminal device are executed, thus to mobile terminal device Carry out integral monitoring.Processor 410 may include one or more processing units;Preferably, processor 410 can be integrated using processing Device and modem processor, wherein the main processing operation system of application processor, user interface and application program etc., modulation Demodulation processor mainly handles wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processing In device 410.
Terminal 400 can also include the power supply 411 (such as battery) powered to all parts, it is preferred that power supply 411 can be with It is logically contiguous by power-supply management system and processor 410, thus by power-supply management system realize management charging, electric discharge, with And the functions such as power managed.
In addition, terminal 400 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of terminal, including processor 410, and memory 409 is stored in storage On device 409 and the computer program that can run on the processor 410, realized when which is executed by processor 410 Each process of voltage control method embodiment is stated, and identical technical effect can be reached, it is no longer superfluous here to avoid repeating It states.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium Calculation machine program, the computer program realize each process of above-mentioned voltage control method embodiment, and energy when being executed by processor Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art The part contributed out can be embodied in the form of software products, which is stored in a storage medium In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much Form belongs within protection of the invention.

Claims (14)

1. a kind of voltage control method is applied to terminal, which is characterized in that the terminal includes power supply, load and power supply conversion Chip, the power conversion chip are connected with the power supply and load respectively, which comprises
Detect the voltage value of the input terminal of the load;
Except the voltage value is in predetermined voltage range, the output voltage of the power conversion chip is adjusted, It is in the voltage value of the input terminal of the load in the predetermined voltage range, the predetermined voltage range is greater than the first electricity Pressure value and be less than second voltage value.
2. voltage control method according to claim 1, which is characterized in that the first voltage value be the load most The sum of small operating voltage value and first voltage surplus;The second voltage value is the maximum working voltage value and second of the load The difference of voltage margin.
3. voltage control method according to claim 1, which is characterized in that described to be in predeterminated voltage in the voltage value In the case where except range, the output voltage of the power conversion chip is adjusted, comprising:
In the case where the voltage value is less than or equal to the first voltage value, the output of the power conversion chip is turned up Voltage.
4. voltage control method according to claim 1, which is characterized in that described to be in predeterminated voltage in the voltage value In the case where except range, the output voltage of the power conversion chip is adjusted, comprising:
In the case where the voltage value is more than or equal to the second voltage value, the output of the power conversion chip is turned down Voltage.
5. voltage control method according to claim 1, which is characterized in that adjust the output electricity of the power conversion chip Pressure, comprising:
The output voltage of the power conversion chip is adjusted to target voltage values, the target voltage values are in the predeterminated voltage In range.
6. voltage control method according to claim 1, which is characterized in that adjust the output electricity of the power conversion chip Pressure, comprising:
The output voltage of the power conversion chip is adjusted according to preset step-length, until at the voltage value of the input terminal of the load In in the predetermined voltage range.
7. a kind of terminal, which is characterized in that the terminal includes power supply, load and power conversion chip, and the power supply converts core Piece is connected with the power supply and load respectively, further includes:
Detection module, the voltage value of the input terminal for detecting the load;
Control module, for except the voltage value is in predetermined voltage range, adjusting the power supply conversion core The output voltage of piece is in the voltage value of the input terminal of the load in the predetermined voltage range, the predeterminated voltage model It encloses for greater than the first voltage value and less than second voltage value.
8. terminal according to claim 7, which is characterized in that the first voltage value is the minimum work electricity of the load The sum of pressure value and first voltage surplus;The second voltage value is the maximum working voltage value and second voltage surplus of the load Difference.
9. terminal according to claim 7, which is characterized in that the control module includes:
First control unit is used in the case where the voltage value is less than or equal to the first voltage value, described in height-regulating The output voltage of power conversion chip.
10. terminal according to claim 7, which is characterized in that the control module includes:
Second control unit, for turning down described in the case where the voltage value is more than or equal to the second voltage value The output voltage of power conversion chip.
11. terminal according to claim 7, which is characterized in that the control module includes:
Third control unit, for adjusting the output voltage of the power conversion chip to target voltage values, the target voltage Value is in the predetermined voltage range.
12. terminal according to claim 7, which is characterized in that the control module includes:
4th control unit, for adjusting the output voltage of the power conversion chip according to preset step-length, until the load The voltage value of input terminal be in the predetermined voltage range.
13. a kind of terminal, which is characterized in that including processor, memory and be stored on the memory and can be at the place The computer program run on reason device is realized when the computer program is executed by the processor as appointed in claim 1 to 6 The step of voltage control method described in one.
14. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium Program realizes such as voltage control method described in any one of claims 1 to 6 when the computer program is executed by processor The step of.
CN201910349991.7A 2019-04-28 2019-04-28 A kind of voltage control method and terminal Pending CN110045807A (en)

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CN201910349991.7A CN110045807A (en) 2019-04-28 2019-04-28 A kind of voltage control method and terminal

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CN111064881A (en) * 2019-11-25 2020-04-24 维沃移动通信有限公司 Camera device and electronic equipment
CN111610844A (en) * 2020-05-25 2020-09-01 深圳市信锐网科技术有限公司 Output voltage adjusting method, device, equipment and readable storage medium

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CN103812330A (en) * 2012-11-06 2014-05-21 泰商泰达电子公司 Power supply converter capable of dynamically adjusting output voltage and power supply system suitable therefor
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CN102548100A (en) * 2010-12-27 2012-07-04 英飞特电子(杭州)有限公司 Load driving device and system
CN103019285A (en) * 2011-09-23 2013-04-03 立锜科技股份有限公司 Dynamic dropout control of a power supply
CN103777730A (en) * 2012-10-19 2014-05-07 纬创资通股份有限公司 Power management circuit and method thereof
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* Cited by examiner, † Cited by third party
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CN111064881A (en) * 2019-11-25 2020-04-24 维沃移动通信有限公司 Camera device and electronic equipment
CN111610844A (en) * 2020-05-25 2020-09-01 深圳市信锐网科技术有限公司 Output voltage adjusting method, device, equipment and readable storage medium

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