CN105933540A - Power supply control method, system module and mobile terminal - Google Patents
Power supply control method, system module and mobile terminal Download PDFInfo
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- CN105933540A CN105933540A CN201610471601.XA CN201610471601A CN105933540A CN 105933540 A CN105933540 A CN 105933540A CN 201610471601 A CN201610471601 A CN 201610471601A CN 105933540 A CN105933540 A CN 105933540A
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- Prior art keywords
- module
- sense resistor
- channel
- channel module
- mobile terminal
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72484—User interfaces specially adapted for cordless or mobile telephones wherein functions are triggered by incoming communication events
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
Abstract
The embodiment of the invention discloses a power supply control method, a system module and a mobile terminal. The method comprises following steps of determining access impedance of an access module in the mobile terminal, wherein the access module is located between a power supply module and the system module in the mobile terminal; judging whether the access impedance is greater than a preset impedance threshold value or not; controlling an access switch in the access module to be in a switch-off state if the access impedance is greater than the preset impedance threshold value, thus stopping the power supply module from supplying power to the system module. According to the embodiment of the invention, the power supplied to the system module of the mobile terminal can be stopped timely by detecting whether the access impedance is abnormal or not; the burnout phenomenon is avoided; and the security of the mobile terminal is improved.
Description
Technical field
The present invention relates to technical field of mobile terminals, be specifically related to a kind of method for controlling power supply, system module and
Mobile terminal.
Background technology
Currently, mobile terminal is increasingly becoming demand product indispensable in user's life, and user is to mobile whole
End is carried with, and this is higher to the requirement of the security performance of mobile terminal.The circuit structure of mobile terminal is usual
Including supply module, terminal system circuit and the path connecting above-mentioned supply module and terminal system circuit
Module.Wherein, can include supplying cell etc. in supply module, terminal system circuit can include realizing moving eventually
Hold the modular circuit of various function.Different when existing on connection supply module with the channel module of terminal system circuit
Often state, as bad, the most easily in there is some wiring circuit contact on foreign body, or channel module on channel module
The path resistance causing channel module is too high, and then impedance heat dissipation is too high causes burning machine phenomenon, reduces movement
The safety of terminal.
Summary of the invention
Embodiments provide a kind of method for controlling power supply, system module and mobile terminal, it is possible to pass through
Whether detection path impedance is abnormal, control in time to stop power supply the system module of mobile terminal, it is to avoid burn
Machine phenomenon, enhances the safety of mobile terminal.
First aspect, the embodiment of the present invention provides a kind of method for controlling power supply, including:
Determining the path resistance of channel module in mobile terminal, described channel module is positioned in described mobile terminal
Supply module and system module between；
Judge that whether described path resistance is more than presetting impedance threshold；
If the result judged is yes, then the channel selector controlled in described channel module becomes off-state, with resistance
Described system module is powered by disconnected described supply module.
Optionally, described determine that, in mobile terminal before the path resistance of channel module, described method also includes:
Determine the both end voltage of described channel module in described mobile terminal；
Determine the electric current through described channel module；
Described determine the path resistance of channel module in mobile terminal, including:
According to described both end voltage and described electric current, determine the path resistance of described channel module.
Optionally, the both end voltage of the described described channel module determined in described mobile terminal, including:
Read the output end voltage of described supply module；
Reading the input terminal voltage of current sense resistor R, the two ends of described current sense resistor R are connected in series
Between described channel module and described system module；
Determine that the output end voltage that both end voltage is described supply module of described channel module is examined with described electric current
The difference of the input terminal voltage of measuring resistance R.
Optionally, the described electric current determined through described channel module, including:
Read the output end voltage of described current sense resistor R；
Determine the input terminal voltage that both end voltage is described current sense resistor R of described current sense resistor R
Difference with the output end voltage of described current sense resistor R；
Both end voltage according to described current sense resistor R and the resistance of described current sense resistor R, really
The fixed electric current through described current sense resistor R, and determine that the electric current through described channel module is described warp
Cross the electric current of described current sense resistor R.
Optionally, described default impedance threshold determines based on the line parameter circuit value in described channel module, described line
LUSHEN number includes line width and/or line length.
Second aspect, embodiments provides a kind of system module, and described system module includes function list
Unit, described functional unit for perform part described in embodiment of the present invention first aspect either method or
Overall Steps.
The third aspect, embodiments provides a kind of mobile terminal, including:
Processor, memorizer, communication interface and communication bus, channel module and system module, described power supply
The outfan of module connects the input of described channel module, and the outfan of described channel module connects described system
Module；Wherein,
Described channel module includes that channel selector, described channel selector are connected with described system module；
Described system module includes any one system module in embodiment of the present invention second aspect.
The embodiment of the present invention, is determined by the path resistance of channel module in mobile terminal, can determine whether this path
Whether impedance is more than presetting impedance threshold, if judging more than presetting impedance threshold, then to show to there is burning machine wind
Danger, then the channel selector in the module of control access becomes closed mode, enters system module blocking supply module
Row power supply.Pass through said method, it is possible to the most abnormal by detection path impedance, control in time mobile whole
The system module of end is stopped power supply, it is to avoid burning machine phenomenon, enhances the safety of mobile terminal.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of method for controlling power supply disclosed in the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another kind of method for controlling power supply disclosed in the embodiment of the present invention；
Fig. 3 is the unit composition frame chart of a kind of system module disclosed in the embodiment of the present invention；
Fig. 4 is the unit composition frame chart of another kind of system module disclosed in the embodiment of the present invention；
Fig. 5 is the structural representation of a kind of system module disclosed in the embodiment of the present invention；
Fig. 6 is the structural representation of a kind of mobile terminal disclosed in the embodiment of the present invention；
Fig. 7 is the structural representation of another kind of mobile terminal disclosed in the embodiment of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, implement below in conjunction with the present invention
Accompanying drawing in example, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that institute
The embodiment described is only a part of embodiment of the present invention rather than whole embodiments.Based on the present invention
In embodiment, it is all that those of ordinary skill in the art are obtained under not making creative work premise
Other embodiments, broadly fall into the scope of protection of the invention.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second " etc. are
For distinguishing different object rather than for describing particular order.Additionally, term " includes " and " having "
And they any deformation, it is intended that cover non-exclusive comprising.Such as contain series of steps or list
Process, method, system, product or the equipment of unit is not limited to step or the unit listed, but can
Selection of land also includes step or the unit do not listed, or the most also includes for these processes, method, product
Product or intrinsic other steps of equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the spy that describe in conjunction with the embodiments
Property may be embodied at least one embodiment of the present invention.There is this phrase in each position in the description
Identical embodiment might not be each meant, be not the independent or alternative reality with other embodiments mutual exclusion
Execute example.Those skilled in the art explicitly and are implicitly understood by, and embodiment described herein can be with
Other embodiments combines.
Below the inventive method embodiment is described.
Referring to Fig. 1, Fig. 1 is the schematic flow sheet of a kind of method for controlling power supply disclosed in the embodiment of the present invention.
The method can be realized by the system module described in device embodiment.As it is shown in figure 1, the method can include with
Lower step.
Step S101, determines the path resistance of channel module in mobile terminal.
In one embodiment, mobile terminal can include supply module, channel module and system module, wherein,
Supply module can include battery chip and the peripheral circuit module etc. matched with battery chip, supply module
Outfan can connecting path module, and connection system module after channel module, to realize mobile terminal
The system module that battery is mobile terminal be powered.Wherein, system module can include in mobile terminal
Electricity consumption module, and can connect supply module and channel module by communication bus etc., with to supply module and logical
Road module is controlled.Wherein, the channel module in the embodiment of the present invention includes at least one conductive track,
Can arrange channel selector at least one conductive track, this channel selector can be used for controlling above-mentioned at least one
The connection of conductive track and disconnection.
In one embodiment, it may be determined that the path resistance of this channel module.Optionally, can be determined by this
The both end voltage of channel module and the electric current of this channel module of process, determine that the path resistance of channel module is
Both end voltage and the ratio through overcurrent；Or, by the equivalent components and parts in detection path module, as etc.
Effect inductance, equivalent capacity etc., determine the path resistance of channel module.Here, the embodiment of the present invention does not limits
Fixed.
Step S102, it is judged that whether described path resistance is more than presetting impedance threshold.
In one embodiment, when, after the path resistance determining channel module, whether can determine whether this path resistance
More than presetting impedance threshold, if this path resistance is more than presetting impedance threshold, then show current mobile terminal
System module or supply module work exist abnormal, then need to process it, if path resistance is less than pre-
If impedance threshold, then show that current mobile terminal is working properly.
Optionally, the path resistance of channel module in mobile terminal can be determined in real time, it is possible to according to predetermined period
Determine the path resistance of channel module in mobile terminal, or, according to default trigger condition, determine movement
When system, the path resistance of the channel module in terminal, as detected that the one or more processes of current appearance cannot
Response, or mobile terminal local environment is abnormal (as temperature is too high), or the currently displaying appearance of mobile terminal
Abnormal phenomena, during such as states such as blank screens, all can trigger and determine the path resistance of channel module in mobile terminal,
And judge that whether this path resistance is more than presetting impedance threshold.
Optionally, the determination presetting impedance threshold can be determined based on the line parameter circuit value in channel module.Its
In, line parameter circuit value can include line length and/or the line width of at least one conductive track in energising module.
As line length is the longest, or line width is the widest, then according to preset length or width and the corresponding relation of impedance,
Determine the default impedance threshold of channel module.Or, according to preset length and the product of width or ratio and resistance
Anti-corresponding relation, determines the default impedance threshold of channel module.Or, also can determine mobile terminal
In the case of normal operation, by detecting the electric current through channel module and the both end voltage of channel module,
Determining default impedance threshold, this default impedance threshold i.e. determined is under normal circumstances, the path of channel module
Impedance.
Step S103, if the result judged is yes, then controls the channel selector in described channel module and becomes to disconnect
State, is powered described system module blocking described supply module.
In one embodiment, when judging that path resistance is more than default impedance threshold, then show mobile whole
The running status of end exists abnormal, and the too high burning machine phenomenon that is easily caused of path resistance of channel module, then
Need the channel selector in the module of control access to become off-state, system module is carried out blocking supply module
Power supply further.Optionally, also can be in the path resistance in judging channel module more than presetting impedance threshold
After, further at least one conductive track in channel module is detected, to detect this, at least one leads to
Electric line is the most abnormal, if abnormal, then control the channel selector on this at least one conductive track and disconnects.Enter
And, according to concrete analysis result, the channel selector in channel module can be carried out the control of different modes, with
Block supply module system module is powered.
Optionally, after the channel selector in the module of control access becomes off-state, also by determining path
The path resistance of module and judge whether this path resistance exceedes the mode of default impedance threshold, determines movement
Whether the running status of terminal recovers normal, if recovering normal, then and channel selector channel module broken
Connect, make supply module system module be restored electricity state.
The embodiment of the present invention, is determined by the path resistance of channel module in mobile terminal, can determine whether this path
Whether impedance is more than presetting impedance threshold, if judging more than presetting impedance threshold, then to show to there is burning machine wind
Danger, then the channel selector in the module of control access becomes closed mode, enters system module blocking supply module
Row power supply.Pass through said method, it is possible to the most abnormal by detection path impedance, control in time mobile whole
The system module of end is stopped power supply, it is to avoid burning machine phenomenon, enhances the safety of mobile terminal.
Referring to Fig. 2, Fig. 2 is the schematic flow sheet of another kind of method for controlling power supply disclosed in the embodiment of the present invention.
The method can be realized by the system module described in device embodiment.As in figure 2 it is shown, the method can include with
Lower step.
Step S201, determines the both end voltage of described channel module in described mobile terminal.
In one embodiment, mobile terminal can include supply module, channel module and system module, wherein,
Supply module can include battery chip and the peripheral circuit module etc. matched with battery chip, supply module
Outfan can connecting path module, and connection system module after channel module, to realize mobile terminal
The system module that battery is mobile terminal be powered.Wherein, system module can include in mobile terminal
Electricity consumption module, and can connect supply module and channel module by communication bus etc., with to supply module and logical
Road module is controlled.Wherein, the channel module in the embodiment of the present invention includes at least one conductive track,
Can arrange channel selector at least one conductive track, this channel selector can be used for controlling above-mentioned at least one
The connection of conductive track and disconnection.
When, after the channel module determined in mobile terminal, the both end voltage of this channel module being further determined that.
Owing to channel module is made up of circuit, directly read its both end voltage and can not determine channel module accurately
Input endpoint and exit point.Then can determine the both end voltage of channel module in the following manner:
Read the output end voltage of described supply module；
Reading the input terminal voltage of current sense resistor R, the two ends of described current sense resistor R are connected in series
Between described channel module and described system module；
Determine that the output end voltage that both end voltage is described supply module of described channel module is examined with described electric current
The difference of the input terminal voltage of measuring resistance R.
Concrete, owing to the input of channel module is connected with the outfan of supply module, channel module defeated
Enter terminal voltage and be the output end voltage of supply module, i.e. by reading the output end voltage of supply module, i.e.
Can determine that the input terminal voltage of channel module.Wherein, coulant meter, analog-to-digital conversion module or communication can be passed through
Buses etc. read the output end voltage of supply module.Electric current inspection can be set between supply module and system module
One end of measuring resistance R, this current sense resistor R connects the outfan of supply module, current sense resistor R
The input of other end connection system module, thus, by reading the input electricity of current sense resistor R
Pressure, i.e. can determine that the output end voltage of channel module, optionally, can pass through coulant meter, analog-to-digital conversion module
Or communication bus etc. read the input terminal voltage of current sense resistor R.Further, powered by calculating
The output end voltage of module and the voltage difference of the input terminal voltage of current sense resistor R, determine channel module
Both end voltage is this voltage difference.
Or, optionally, also by the outfan of the input terminal voltage with supply module reading system module
Voltage, determines the output end voltage that both end voltage is supply module of channel module and the input of system module
The voltage difference of voltage.Wherein, system module can include multiple electricity consumption module, can read each electricity consumption module
Input terminal voltage, and the input terminal voltage of each electricity consumption module is added and to determine the input electricity of system module
Pressure.
Step S202, determines the electric current through described channel module.
In one embodiment, if mobile terminal is provided with current sense resistor, it is determined that channel module
Electric current may be accomplished by:
Read the output end voltage of described current sense resistor R；
Determine the input terminal voltage that both end voltage is described current sense resistor R of described current sense resistor R
Difference with the output end voltage of described current sense resistor R；
Both end voltage according to described current sense resistor R and the resistance of described current sense resistor R, really
The fixed electric current through described current sense resistor R, and determine that the electric current through described channel module is described warp
Cross the electric current of described current sense resistor R.
Concrete, after the input terminal voltage reading current sense resistor R, can also read current sense resistor
The output end voltage of R, wherein, one end that current sense resistor R is connected with channel module is input, electricity
One end that stream detection resistance R is connected with system module is outfan, and determines the two ends of current sense resistor R
Voltage is the input terminal voltage voltage difference with the output end voltage of current sense resistor R of current detection module.
Further, can be according to the both end voltage of the current sense resistor R calculated, and current sense resistor R
Resistance, calculate the both end voltage that electric current is current sense resistor R through current sense resistor R and resistance
The ratio of value.Owing to this current sense resistor R connects with channel module, then through this current sense resistor R
Electric current be the electric current through channel module.Wherein, current sense resistor R can be made up of multiple resistance,
Current sense resistor R is the equivalent resistance of the resistor network of multiple resistance composition, the resistance of current sense resistor R
Value is the resistance of this equivalent resistance.
Optionally, can also read output electric current or the input current of system module of supply module, and will supply
The output electric current of electricity module or the input current of system module as the electric current through channel module, here,
The embodiment of the present invention does not limits.
Step S203, according to described both end voltage and described electric current, determines the path resistance of described channel module.
In one embodiment, when determining the both end voltage of channel module and through the electric current of channel module
After, it may be determined that the path resistance of channel module is two ends electric fish and the electric current through channel module of channel module
Ratio.
Step S204, it is judged that whether described path resistance is more than presetting impedance threshold.
In one embodiment, when, after the path resistance determining channel module, whether can determine whether this path resistance
More than presetting impedance threshold, if this path resistance is more than presetting impedance threshold, then show current mobile terminal
System module or supply module work exist abnormal, then need to process it, if path resistance is less than pre-
If impedance threshold, then show that current mobile terminal is working properly.
Optionally, the path resistance of channel module in mobile terminal can be determined in real time, it is possible to according to predetermined period
Determine the path resistance of channel module in mobile terminal, or, according to default trigger condition, determine movement
When system, the path resistance of the channel module in terminal, as detected that the one or more processes of current appearance cannot
Response, or mobile terminal local environment is abnormal (as temperature is too high), or the currently displaying appearance of mobile terminal
Abnormal phenomena, during such as states such as blank screens, all can trigger and determine the path resistance of channel module in mobile terminal,
And judge that whether this path resistance is more than presetting impedance threshold.
Optionally, the determination presetting impedance threshold can be determined based on the line parameter circuit value in channel module.Its
In, line parameter circuit value can include line length and/or the line width of at least one conductive track in energising module.
As line length is the longest, or line width is the widest, then according to preset length or width and the corresponding relation of impedance,
Determine the default impedance threshold of channel module.Or, according to preset length and the product of width or ratio and resistance
Anti-corresponding relation, determines the default impedance threshold of channel module.Or, also can determine mobile terminal
In the case of normal operation, by detecting the electric current through channel module and the both end voltage of channel module,
Determining default impedance threshold, this default impedance threshold i.e. determined is under normal circumstances, the path of channel module
Impedance.
Step S205, if the result judged is yes, then controls the channel selector in described channel module and becomes to disconnect
State, is powered described system module blocking described supply module.
In one embodiment, when judging that path resistance is more than default impedance threshold, then show mobile whole
The running status of end exists abnormal, and the too high burning machine phenomenon that is easily caused of path resistance of channel module, then
Need the channel selector in the module of control access to become off-state, system module is carried out blocking supply module
Power supply further.Optionally, also can be in the path resistance in judging channel module more than presetting impedance threshold
After, further at least one conductive track in channel module is detected, to detect this, at least one leads to
Electric line is the most abnormal, if abnormal, then control the channel selector on this at least one conductive track and disconnects.Enter
And, according to concrete analysis result, the channel selector in channel module can be carried out the control of different modes, with
Block supply module system module is powered.
Optionally, after the channel selector in the module of control access becomes off-state, also by determining path
The path resistance of module and judge whether this path resistance exceedes the mode of default impedance threshold, determines movement
Whether the running status of terminal recovers normal, if recovering normal, then and channel selector channel module broken
Connect, make supply module system module be restored electricity state.
The embodiment of the present invention, is determined by the path resistance of channel module in mobile terminal, can determine whether this path
Whether impedance is more than presetting impedance threshold, if judging more than presetting impedance threshold, then to show to there is burning machine wind
Danger, then the channel selector in the module of control access becomes closed mode, enters system module blocking supply module
Row power supply.Pass through said method, it is possible to the most abnormal by detection path impedance, control in time mobile whole
The system module of end is stopped power supply, it is to avoid burning machine phenomenon, enhances the safety of mobile terminal.
Being apparatus of the present invention embodiment below, apparatus of the present invention embodiment is used for performing the inventive method embodiment
The method realized.
Refer to the unit composition frame chart that Fig. 3, Fig. 3 are a kind of system modules disclosed in the embodiment of the present invention.As
Shown in Fig. 3, this system module can include determining that unit 301, judging unit 302 and control unit 303,
Wherein:
Determine unit 301, for determining the path resistance of channel module in mobile terminal, described channel module position
Between supply module and system module in described mobile terminal；
Judging unit 302, is used for judging that whether described path resistance is more than presetting impedance threshold；
Control unit 303, if the result judged for described judging unit is yes, then controls described channel module
In channel selector become off-state, described system module is powered blocking described supply module.
Wherein it is determined that the function that unit 301, judging unit 302 and control unit 303 are realized can be concrete
See the description of corresponding steps in Fig. 1.
The embodiment of the present invention, is determined by the path resistance of channel module in mobile terminal, can determine whether this path
Whether impedance is more than presetting impedance threshold, if judging more than presetting impedance threshold, then to show to there is burning machine wind
Danger, then the channel selector in the module of control access becomes closed mode, enters system module blocking supply module
Row power supply.Pass through said method, it is possible to the most abnormal by detection path impedance, control in time mobile whole
The system module of end is stopped power supply, it is to avoid burning machine phenomenon, enhances the safety of mobile terminal.
Referring to Fig. 4, Fig. 4 is the unit composition frame chart of another kind of system module disclosed in the embodiment of the present invention.
This system module can include first determine unit 401, second determine unit the 402, the 3rd determine unit 403,
Judging unit 404 and control unit 405.
Wherein, second determines unit 402, for determining the two ends of the described channel module in described mobile terminal
Voltage；
Optionally, described second determines that unit 402 includes:
First reads unit, for reading the output end voltage of described supply module；
Second reads unit, for reading the input terminal voltage of current sense resistor R, and described current detecting electricity
The two ends of resistance R are series between described channel module and described system module；
4th determines unit, for determining the output that both end voltage is described supply module of described channel module
The difference of the input terminal voltage of terminal voltage and described current sense resistor R.
3rd determines unit 403, for determining the electric current through described channel module；
Optionally, the described 3rd determines that unit 403 includes:
Third reading takes unit, for reading the output end voltage of described current sense resistor R；
5th determines unit, is described current detecting for determining the both end voltage of described current sense resistor R
The difference of the output end voltage of the input terminal voltage of resistance R and described current sense resistor R；
6th determines unit, for the both end voltage according to described current sense resistor R and the inspection of described electric current
The resistance of measuring resistance R, determines the electric current through described current sense resistor R, and determines through described path
The electric current of module is the described electric current through described current sense resistor R.
First determines unit 401, for according to described both end voltage and described electric current, determines described channel module
Path resistance.
Judging unit 404, is used for judging that whether described path resistance is more than presetting impedance threshold；
Control unit 405, if the result judged for described judging unit is yes, then controls described channel module
In channel selector become off-state, described system module is powered blocking described supply module.
Wherein, first determine unit 401, second determine unit the 402, the 3rd determine unit 403, judge single
The function that unit 404 and control unit 405 are realized can be referring specifically to the description of corresponding steps in Fig. 2.
It should be noted that the mobile terminal described by apparatus of the present invention embodiment is the form with functional unit
Present.Term used herein above " unit " should be understood to the widest implication, is used for realizing respectively
The object of function described by individual " unit " can be such as integrated circuit ASIC, and single circuit is used for performing
The processor (shared, special or chipset) of one or more softwares or firmware program and memorizer,
Combinational logic circuit, and/or other the suitable assemblies realizing above-mentioned functions are provided.
The embodiment of the present invention, is determined by the path resistance of channel module in mobile terminal, can determine whether this path
Whether impedance is more than presetting impedance threshold, if judging more than presetting impedance threshold, then to show to there is burning machine wind
Danger, then the channel selector in the module of control access becomes closed mode, enters system module blocking supply module
Row power supply.Pass through said method, it is possible to the most abnormal by detection path impedance, control in time mobile whole
The system module of end is stopped power supply, it is to avoid burning machine phenomenon, enhances the safety of mobile terminal.
Referring to Fig. 5, Fig. 5 is the structural representation of a kind of system module disclosed in the embodiment of the present invention.Wherein,
This system module includes multiple electricity consumption module.Concrete, including: radio frequency (Radio Frequency, RF)
Circuit 910, memorizer 920, input block 930, display unit 940, sensor 950, voicefrequency circuit
960, Wireless Fidelity (wireless fidelity, the WiFi) parts such as module 970, processor 980.This area
Those of skill will appreciate that, the structure shown in Fig. 5 is not intended that the restriction to system module, can include
Than illustrating more or less of parts, or combine some parts, or different parts are arranged.
Below in conjunction with Fig. 5 each component parts of system module carried out concrete introduction:
RF circuit 910 can be used for reception and the transmission of information.Generally, RF circuit 910 includes but not limited to
Antenna, at least one amplifier, transceiver, bonder, low-noise amplifier (Low Noise Amplifier,
LNA), duplexer etc..Additionally, RF circuit 910 can also be by radio communication and network and other equipment
Communication.Above-mentioned radio communication can use arbitrary communication standard or agreement, includes but not limited to that the whole world is mobile logical
News system (Global System of Mobile communication, GSM), general packet radio service
(General Packet Radio Service, GPRS), CDMA (Code Division Multiple
Access, CDMA), WCDMA (Wideband Code Division Multiple Access,
WCDMA), Long Term Evolution (Long Term Evolution, LTE), Email, Short Message Service (Short
Messaging Service, SMS) etc..
Memorizer 920 can be used for storing software program and unit, and processor 980 is stored in by operation
The software program of reservoir 920 and unit, thus perform at the application of various functions and the data of system module
Reason.Memorizer 920 can mainly include storing program area and storage data field, and wherein, storage program area can be deposited
Application program etc. needed for storage operating system, at least one function；Storage data field can store according to system mould
The data etc. that the use of block is created.Additionally, memorizer 920 can include high-speed random access memory,
Can also include nonvolatile memory, for example, at least one disk memory, flush memory device or other
Volatile solid-state part.
Input block 930 can be used for receiving numeral or the character information of input, and produces and system module
User setup and function control relevant key signals input.Specifically, input equipment 930 can include but
Be not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse,
One or more in action bars, fingerprint recognition module etc..
Display unit 940 can be used for showing the information inputted by user or the information being supplied to user and system
The various menus of module.Display unit 940 can include display screen 941, optionally, can use liquid crystal display
Device (Liquid Crystal Display, LCD), Organic Light Emitting Diode (Organic Light-Emitting Diode,
Etc. OLED) form configures display screen 941.
System module may also include at least one sensor 950, such as optical sensor, motion sensor and its
His sensor.Specifically, optical sensor can include ambient light sensor and proximity transducer, wherein, environment
Optical sensor can regulate the brightness of display screen 941 according to the light and shade of ambient light, and proximity transducer can be
When system module moves in one's ear, close display screen 941 and/or backlight.As the one of motion sensor, add
Speed flowmeter sensor can detect the size of (generally three axles) acceleration in all directions, can detect that time static
The size of gravity and direction, can be used for identifying that the application of system module attitude is (such as horizontal/vertical screen switching, relevant
Game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；As for being
Gyroscope that system module can also configure, barometer, drimeter, thermometer, infrared ray sensor etc. other pass
Sensor, does not repeats them here.
Voicefrequency circuit 960, speaker 961, microphone 962 can provide the audio frequency between user and system module
Interface.The signal of telecommunication after the voice data conversion that voicefrequency circuit 960 can will receive, is transferred to speaker 961,
Acoustical signal output is converted to by speaker 961；On the other hand, the acoustical signal that microphone 962 will be collected
Be converted to the signal of telecommunication, voicefrequency circuit 960 after receiving, be converted to voice data, then by voice data output
After reason device 980 processes, through RF circuit 910 to be sent to such as another system module, or by voice data
Output is to memorizer 920 to process further.
WiFi belongs to short range wireless transmission technology, and system module can help user by WiFi module 970
Sending and receiving e-mail, browse webpage and access streaming video etc., it has provided the user wireless broadband interconnection
Net accesses.Although Fig. 5 shows WiFi module 970, but it is understood that, it is also not belonging to system
Must be configured into of module, can omit completely as required in not changing the scope of essence of invention.
Processor 980 is the control centre of system module, utilizes various interface and connection whole system mould
The various piece of block, is stored in the software program in memorizer 920 and/or module by running or performing, with
And call the data being stored in memorizer 920, perform the various functions of system module and process data, from
And system module is carried out integral monitoring.Optionally, processor 980 can include one or more core processing
Unit；Preferably, processor 980 can integrated application processor and modem processor, wherein, application
Processor mainly processes operating system, user interface and application program etc., and modem processor mainly processes
Radio communication.It is understood that above-mentioned modem processor can not also be integrated in processor 980.
Although not shown, system module can also include photographic head, bluetooth module etc., does not repeats them here.
Any embodiment in embodiment shown in earlier figures 1-Fig. 2, each step method flow process can be based on this
The structure of system module realizes.
In embodiment shown in earlier figures 3-Fig. 4, each unit function can structure based on this system module reality
Existing.
The embodiment of the present invention additionally provides a kind of mobile terminal, refers to Fig. 6, and the mobile terminal shown in Fig. 6 can
Including supply module 601, channel module 602 and system module 603 described in above-described embodiment.
Wherein, the outfan of described supply module 601 connects the input of described channel module 602, described
The outfan of channel module 602 connects described system module 603；Wherein,
Described channel module 602 includes channel selector 6021, described channel selector 6021 and described system module
603 connect.
Optionally, supply module 601 may also include power-supply management system, supply module 601, channel module
602 and system module 603 can be attached by communication bus.
The embodiment of the present invention additionally provides another kind of mobile terminal, as it is shown in fig. 7, this mobile terminal includes supplying
Electricity module 701, channel module 702 and system module 703, also include current detection module 704, this electric current
The resistance network module that detection module 704 is made up of at least one resistance.The one of current detection module 704
The input of end connecting path module 702, the other end connection system module 703 of current detection module 704.
The annexation of supply module 701, channel module 702 and system module 703 can be found in shown in Fig. 6 mobile whole
End.
Optionally, this mobile terminal may also include analog-to-digital conversion module and coulant meter.Wherein, analog digital conversion mould
The input of block connects the outfan of current detection module, the outfan connection system module of analog-to-digital conversion module
The input of 703.The input of coulant meter connects the outfan of supply module 701, and the outfan of coulant meter is even
The input of welding system module 703.
The embodiment of the present invention, is determined by the path resistance of channel module in mobile terminal, can determine whether this path
Whether impedance is more than presetting impedance threshold, if judging more than presetting impedance threshold, then to show to there is burning machine wind
Danger, then the channel selector in the module of control access becomes closed mode, enters system module blocking supply module
Row power supply.Pass through said method, it is possible to the most abnormal by detection path impedance, control in time mobile whole
The system module of end is stopped power supply, it is to avoid burning machine phenomenon, enhances the safety of mobile terminal.
The embodiment of the present invention also provides for a kind of computer-readable storage medium, and wherein, this computer-readable storage medium can be deposited
Containing program, this program includes any method for controlling power supply described in said method embodiment when performing
Part or all of step.
It should be noted that for aforesaid each method embodiment, in order to be briefly described, therefore it is all stated
For a series of combination of actions, but those skilled in the art should know, the present invention is not by described
The restriction of sequence of movement, because according to the present invention, some step can use other orders or carry out simultaneously.
Secondly, those skilled in the art also should know, embodiment described in this description belongs to be preferable to carry out
Example, necessary to involved action and the module not necessarily present invention.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, in certain embodiment the most in detail
The part stated, may refer to the associated description of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, can be passed through it
Its mode realizes.Such as, device embodiment described above is only schematically, the most described list
The division of unit, is only a kind of logic function and divides, and actual can have other dividing mode, example when realizing
As multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can be ignored,
Or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can
To be the INDIRECT COUPLING by some interfaces, device or unit or communication connection, can be electrical or other
Form.
The described unit illustrated as separating component can be or may not be physically separate, as
The parts that unit shows can be or may not be physical location, i.e. may be located at a place, or
Can also be distributed on multiple NE.Can select therein some or all of according to the actual needs
Unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit,
Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit
In.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ SFU software functional unit
Form realizes.
If described integrated unit realizes using the form of SFU software functional unit and as independent production marketing or
During use, can be stored in a computer-readable access to memory.Based on such understanding, the present invention's
Part that prior art is contributed by technical scheme the most in other words or the whole or portion of this technical scheme
Dividing and can embody with the form of software product, this computer software product is stored in a memorizer,
Including some instructions with so that a computer equipment (can be that personal computer, server or network set
Standby etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid memorizer bag
Include: USB flash disk, read only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), portable hard drive, magnetic disc or CD etc. are various can store program code
Medium.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
The program that can be by completes to instruct relevant hardware, and this program can be stored in a computer-readable and deposit
In reservoir, memorizer may include that flash disk, read only memory (English: Read-Only Memory,
Be called for short: ROM), random access device (English: Random Access Memory, RAM), magnetic be called for short:
Dish or CD etc..
Being described in detail the embodiment of the present invention above, specific case used herein is to the present invention's
Principle and embodiment are set forth, and the explanation of above example is only intended to help to understand the side of the present invention
Method and core concept thereof；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention,
All will change in detailed description of the invention and range of application, in sum, this specification content should not be managed
Solve as limitation of the present invention.
Claims (12)
1. a method for controlling power supply, it is characterised in that including:
Determining the path resistance of channel module in mobile terminal, described channel module is positioned in described mobile terminal
Supply module and system module between；
Judge that whether described path resistance is more than presetting impedance threshold；
If the result judged is yes, then the channel selector controlled in described channel module becomes off-state, with resistance
Described system module is powered by disconnected described supply module.
2. as claimed in claim 1 method, it is characterised in that described determine channel module in mobile terminal
Before path resistance, described method also includes:
Determine the both end voltage of described channel module in described mobile terminal；
Determine the electric current through described channel module；
Described determine the path resistance of channel module in mobile terminal, including:
According to described both end voltage and described electric current, determine the path resistance of described channel module.
3. as claimed in claim 2 method, it is characterised in that described determine in described mobile terminal described
The both end voltage of channel module, including:
Read the output end voltage of described supply module；
Reading the input terminal voltage of current sense resistor R, the two ends of described current sense resistor R are connected in series
Between described channel module and described system module；
Determine that the output end voltage that both end voltage is described supply module of described channel module is examined with described electric current
The difference of the input terminal voltage of measuring resistance R.
4. method as claimed in claim 3, it is characterised in that the described electricity determined through described channel module
Stream, including:
Read the output end voltage of described current sense resistor R；
Determine the input terminal voltage that both end voltage is described current sense resistor R of described current sense resistor R
Difference with the output end voltage of described current sense resistor R；
Both end voltage according to described current sense resistor R and the resistance of described current sense resistor R, really
The fixed electric current through described current sense resistor R, and determine that the electric current through described channel module is described warp
Cross the electric current of described current sense resistor R.
5. method as described in any one of claim 1-4, it is characterised in that described default impedance threshold based on
Line parameter circuit value in described channel module determines, described line parameter circuit value includes line width and/or line length.
6. a system module, it is characterised in that including:
First determines unit, for determining the path resistance of channel module in mobile terminal, described channel module
Between supply module and system module in described mobile terminal；
Judging unit, is used for judging that whether described path resistance is more than presetting impedance threshold；
Control unit, if the result judged for described judging unit is yes, then controls in described channel module
Channel selector become off-state, described system module is powered blocking described supply module.
7. system module as claimed in claim 6, it is characterised in that also include:
Second determines unit, for determining the both end voltage of the described channel module in described mobile terminal；
3rd determines unit, for determining the electric current through described channel module；
Wherein, described first determine unit for:
According to described both end voltage and described electric current, determine the path resistance of described channel module.
8. system module as claimed in claim 7, it is characterised in that described second determines that unit includes:
First reads unit, for reading the output end voltage of described supply module；
Second reads unit, for reading the input terminal voltage of current sense resistor R, and described current detecting electricity
The two ends of resistance R are series between described channel module and described system module；
4th determines unit, for determining the output that both end voltage is described supply module of described channel module
The difference of the input terminal voltage of terminal voltage and described current sense resistor R.
9. system module as claimed in claim 8, it is characterised in that the described 3rd determines that unit includes:
Third reading takes unit, for reading the output end voltage of described current sense resistor R；
5th determines unit, is described current detecting for determining the both end voltage of described current sense resistor R
The difference of the output end voltage of the input terminal voltage of resistance R and described current sense resistor R；
6th determines unit, for the both end voltage according to described current sense resistor R and the inspection of described electric current
The resistance of measuring resistance R, determines the electric current through described current sense resistor R, and determines through described path
The electric current of module is the described electric current through described current sense resistor R.
10. system module as described in any one of claim 6-9, it is characterised in that described default impedance threshold
Determining based on the line parameter circuit value in described channel module, described line parameter circuit value includes that line width and/or circuit are long
Degree.
11. 1 kinds of mobile terminals, it is characterised in that include supply module, channel module and system module,
The outfan of described supply module connects the input of described channel module, and the outfan of described channel module is even
Described system module；Wherein,
Described channel module includes that channel selector, described channel selector are connected with described system module；
Described system module includes system module according to any one of claim 6-10.
12. mobile terminals as claimed in claim 11, it is characterised in that also include current sense resistor R,
The two ends of described current sense resistor R are connected in series in the outfan of described channel module and described system module
Input between.
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| CN201610471601.XA CN105933540A (en) | 2016-06-22 | 2016-06-22 | Power supply control method, system module and mobile terminal |
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| CN201610471601.XA CN105933540A (en) | 2016-06-22 | 2016-06-22 | Power supply control method, system module and mobile terminal |
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| CN110888093A (en) * | 2019-11-29 | 2020-03-17 | Tcl移动通信科技（宁波）有限公司 | Display screen connection detection method and device, computer readable storage medium and terminal |
| CN111257786A (en) * | 2020-02-26 | 2020-06-09 | 维沃移动通信有限公司 | Working current self-checking circuit and method and electronic equipment |
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Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. |
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