CN108536055A - A kind of mobile terminal and detection method - Google Patents

A kind of mobile terminal and detection method Download PDF

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Publication number
CN108536055A
CN108536055A CN201810233916.XA CN201810233916A CN108536055A CN 108536055 A CN108536055 A CN 108536055A CN 201810233916 A CN201810233916 A CN 201810233916A CN 108536055 A CN108536055 A CN 108536055A
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China
Prior art keywords
switch
pins
value
charging
detection module
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CN201810233916.XA
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Chinese (zh)
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CN108536055B (en
Inventor
尹全喜
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423Input/output
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/14Measuring resistance by measuring current or voltage obtained from a reference source
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/21Pc I-O input output
    • G05B2219/21119Circuit for signal adaption, voltage level shift, filter noise

Abstract

A kind of mobile terminal of present invention offer and detection method, mobile terminal include:CC logic detections module, Type c interfaces, impedance detection module and first switch;The Type c interfaces include live pins, charging pins and data transmission pin;The impedance detection module is used to measure the first resistor value between the live pins and the charging pins, and for measuring the second resistance value between the live pins and the data transmission pin;The first end of the first switch is electrically connected with the CC logic detections module, and the second end of the first switch is electrically connected with the live pins, and the first control terminal of the first switch is electrically connected with the impedance detection module.Mobile terminal in the embodiment of the present invention can delay continuing for Type c interface corrosion processes, enhance the resistance to corrosion of the Type c interfaces of mobile terminal accordingly.

Description

A kind of mobile terminal and detection method
Technical field
The present invention relates to field of communication technology more particularly to a kind of mobile terminal and detection methods.
Background technology
With the rapid development of mobile terminal, mobile terminal has become essential a kind of tool in people's life, And the various aspects for user's life are brought great convenience.It is typically provided on mobile terminal for being interacted with data line Interface, and the convenient and stability in order to use more and more uses C types Type- in the prior art on mobile terminal C interfaces, but in practice, in the case where Type-c interfaces are in live line work state, if there is corrosive liquid to enter Type-c It in interface, is then easy to cause Type-c interfaces and is corroded, so that Type-c interfaces are damaged.
Invention content
A kind of mobile terminal of offer of the embodiment of the present invention and detection method, to solve to be in live line work in Type-c interfaces Under state, if there is corrosive liquid to enter in Type-c interfaces, it is easy to cause Type-c interfaces and is corroded, so that Type-c The impaired problem of interface.
In order to solve the above-mentioned technical problem, the invention is realized in this way:
In a first aspect, an embodiment of the present invention provides a kind of mobile terminals, including:CC logic detections module, C types Type-c interfaces, impedance detection module and first switch;
The Type-c interfaces include live pins, charging pins and data transmission pin;
The impedance detection module is used to measure the first resistor value between the live pins and the charging pins, and For measuring the second resistance value between the live pins and the data transmission pin;
The first end of the first switch is electrically connected with the CC logic detections module, the second end of the first switch with The live pins electrical connection, the first control terminal of the first switch are electrically connected with the impedance detection module;
Wherein, when the impedance detection module detects at least one of the first resistor value and the second resistance value Less than or equal to preset value, the impedance detection module exports first control signal to first control terminal, described in control The first end of first switch and the second end of the first switch disconnect;When the impedance detection module detects first electricity Resistance value and the second resistance value are all higher than the preset value, and the impedance detection module exports second control signal to described the One control terminal is closed with the second end of the first end and the first switch that control the first switch.
Second aspect, the embodiment of the present invention also provide a kind of detection method, are applied to mobile terminal, the mobile terminal packet It includes:CC logic detections module, Type-c interfaces, impedance detection module and first switch, the Type-c interfaces include that electrification is drawn Foot, charging pins and data transmission pin, the first end of the first switch is electrically connected with the CC logic detections module, described The second end of first switch is electrically connected with the live pins, the first control terminal of the first switch and the impedance detection mould Block is electrically connected;
The method includes:
The impedance detection module detects the first resistor value between the live pins and the charging pins in real time, with And the second resistance value between the live pins and the data transmission pin;
The impedance detection module judges whether the first resistor value and the second resistance value are more than preset value;
If at least one of the first resistor value and the second resistance value are less than or equal to preset value, the impedance inspection It surveys module and exports first control signal to first control terminal, the first end to control the first switch is opened with described first The second end of pass disconnects;
If the first resistor value and the second resistance value are all higher than the preset value, the impedance detection module output Second control signal is to first control terminal, to control the second end of the first end and the first switch of the first switch It is closed.
In the embodiment of the present invention, mobile terminal includes:CC logic detections module, C type Type-c interfaces, impedance detection mould Block and first switch;Impedance detection module is used to measure the first resistor value between live pins and charging pins, and for surveying Measure the second resistance value between live pins and data transmission pin.In this way, when impedance detection module detects first resistor value It is less than or equal to preset value at least one of second resistance value, impedance detection module exports first control signal to the first control End is disconnected with the second end of the first end and first switch that control first switch, so that live pins stop electrification, to reduce The leakage current between leakage current and live pins and data transmission pin between live pins and charging pins, delays Continuing for Type-c interface corrosion processes, enhances the resistance to corrosion of the Type-c interfaces of mobile terminal accordingly.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, For those of ordinary skill in the art, without having to pay creative labor, it can also obtain according to these attached drawings Obtain other attached drawings.
Fig. 1 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention;
Fig. 2 is a kind of one of the application scenario diagram of mobile terminal provided in an embodiment of the present invention;
Fig. 3 is the two of the application scenario diagram of a kind of mobile terminal provided in an embodiment of the present invention;
Fig. 4 is the structure chart of the Type-c interfaces in a kind of mobile terminal provided in an embodiment of the present invention;
Fig. 5 is the structure chart of another mobile terminal provided in an embodiment of the present invention;
Fig. 6 is a kind of flow chart of detection method provided in an embodiment of the present invention.
Specific implementation mode
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 describes, 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, the every other implementation that those of ordinary skill in the art are obtained without creative efforts Example, shall fall within the protection scope of the present invention.
It is a kind of structure chart of mobile terminal provided in an embodiment of the present invention referring to Fig. 1-4, Fig. 1, mobile terminal 100 wraps It includes:CC logic detections module 1, Type-c interfaces 2, impedance detection module 3 and first switch 4;
The Type-c interfaces 2 include live pins 201, charging pins 202 and data transmission pin 203;
The impedance detection module 3 is used to measure the first electricity between the live pins 201 and the charging pins 202 Resistance value, and for measuring the second resistance value between the live pins 201 and the data transmission pin 203;
The first end of the first switch 4 is electrically connected with the CC logic detections module 1, and the second of the first switch 4 End is electrically connected with the live pins 201, and the first control terminal of the first switch 4 is electrically connected with the impedance detection module 3;
Wherein, when the impedance detection module 3 detects at least one in the first resistor value and the second resistance value Item is less than or equal to preset value, and the impedance detection module 3 exports first control signal to first control terminal, to control The second end of the first end and the first switch 4 of stating first switch 4 disconnects;Described in being detected when the impedance detection module 3 First resistor value and the second resistance value are all higher than the preset value, and the impedance detection module 3 exports second control signal To first control terminal, it is closed with the second end of the first end and the first switch 4 that control the first switch 4.
Wherein, the operation principle of the embodiment of the present invention is:When impedance detection module 3 detects first resistor value and the second electricity At least one of resistance value is less than or equal to preset value, indicates under the action of corrosive liquid, live pins 201 and charging pins Resistance value between 202 or at least one of between live pins 201 and data transmission pin 203 already less than or be equal to The preset value for indicating resistance value warning line, illustrates that the corrosion condition of Type-c interfaces 2 is more serious.Impedance detection module 3 is defeated at this time Go out first control signal to the first control terminal, is disconnected with the second end of the first end and first switch 4 that control first switch 4, with Live pins 201 are made to stop electrification, to reduce the leakage current between live pins 201 and charging pins 202, and electrification Leakage current between pin 201 and data transmission pin 203 prevents continuing for 2 corrosion process of Type-c interfaces, accordingly The Type-c interfaces 2 for enhancing mobile terminal 100 resistance to corrosion.
In addition, the first end of live pins 201 is electrically connected with the second end of first switch 4, and the second of live pins 201 End can connect different components, such as:It can connect through the phases such as data line and computer, charging plug or mobile power Even.Therefore, when impedance detection module 3 detects that first resistor value and second resistance value are all higher than preset value, expression live pins Between 201 and charging pins 202 either the extent of corrosion between live pins 201 and data transmission pin 203 it is not serious or It is not corroded, then impedance detection module 3 exports second control signal to the first control terminal, to control the first end of first switch 4 It is closed with the second end of first switch 4, so that live pins 201 continue to charge, and the pulse that CC logic detections module 1 emits Signal can be returned through first switch 4 and live pins 201 this line transmissions after encountering the component connected in live pins 201 It is back in CC logic detections module 1, the component which encounters is different, and situation of change also differs, CC logic detection moulds Block 1 can carry out charge or discharge according to the specific situation of change control charging pins 202 of pulse signal.
Wherein, optionally, the live pins 201 are CC1 pins or CC2 pins, and the charging pins 202 are VBUS Pin, the data transmission pin 203 are D+ pins.Certainly, live pins 201, charging pins 202 and data transmission pin 203 are not specially defined in above-mentioned pin.Such as:If in the design, replacing the function of CC1 pins using N1 pins, then this When live pins 201 or N1 pins.Charging pins 202 and data transmission pin 203 are similarly.
Wherein, preset value can indicate the resistance value between live pins 201 and charging pins 202 or live pins The warning line of resistance value between 201 and data transmission pin 203, when less than or equal to the preset value, then the work(of Type-c interfaces 2 It is larger to there is abnormal possibility.It is limited it should be noted that the concrete numerical value of preset value is not specific herein, such as:When Resistance between resistance value or live pins 201 and data transmission pin 203 between live pins 201 and charging pins 202 When value is 5 ohm, the function of Type-c interfaces 2 will appear exception, then preset value could be provided as 7 ohm, herein not Resistance value of the specific numerical value for limiting preset value as the appearance of the function of Type-c interfaces 2 when abnormal.
In the embodiment of the present invention, above-mentioned mobile terminal can be mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant (Personal Digital Assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID) or wearable device (Wearable Device) etc..
In the embodiment of the present invention, mobile terminal includes:CC logic detections module, C type Type-c interfaces, impedance detection mould Block and first switch;Impedance detection module is used to measure the first resistor value between live pins and charging pins, and for surveying Measure the second resistance value between live pins and data transmission pin.In this way, when impedance detection module detects first resistor value It is less than or equal to preset value at least one of second resistance value, impedance detection module exports first control signal to the first control End is disconnected with the second end of the first end and first switch that control first switch, so that live pins stop electrification, to reduce The leakage current between leakage current and live pins and data transmission pin between live pins and charging pins, delays Continuing for Type-c interface corrosion processes, enhances the resistance to corrosion of the Type-c interfaces of mobile terminal accordingly.
Optionally, the mobile terminal 100 further includes second switch 5, current-limiting resistance 6 and power supply 7;The second switch 5 First end be electrically connected with the CC logic detections module 1, the of the second end of the second switch 5 and the current-limiting resistance 6 One end is electrically connected, and the second control terminal of the second switch 5 is electrically connected with the impedance detection module 3, the current-limiting resistance 6 Second end is electrically connected with the power supply 7;
Wherein, when the impedance detection module 3 detects at least one in the first resistor value and the second resistance value Item is less than or equal to the preset value, and the impedance detection module 3 exports third and controls signal to second control terminal, with control The first end for making the second switch 5 and the second end of the second switch 5 are closed;When the impedance detection module 3 detects The first resistor value and the second resistance value are all higher than the preset value, the 4th control of the output of impedance detection module 3 Signal is disconnected with controlling the first end of the second switch 5 with the second end of the second switch 5 to second control terminal.
Wherein, the operation principle of the present embodiment is:Referring to Fig. 2, when impedance detection module 3 detects first resistor value and At least one of two resistance values are less than or equal to preset value, and impedance detection module 3 exports first control signal to the first control terminal, It is disconnected with the second end of the first end and first switch 4 that control first switch 4, and impedance detection module 3 exports third control letter Number to the second control terminal, it is closed with the second end of second switch 5 with controlling the first end of second switch 5.I.e. when first resistor value It is less than or equal to preset value at least one of second resistance value, control first switch 4 disconnects, and second switch 5 is closed.CC at this time The pulse signal that logic detection module 1 emits is high level signal, and first switch 4 disconnects at this time, this branch is obstructed, height electricity Ordinary mail number can only be through returning after second switch 5, current-limiting resistance 6 and power supply 7 in CC logic detections module 1, and the high level is believed Number variation is little, is still high level signal, then CC logic detections module 1 can control charging pins 202 and charge at this time.
In addition, referring to Fig. 3, impedance detection module 3, which detects in first resistor value and second resistance value, is all higher than preset value, Impedance detection module 3 exports second control signal to the first control terminal, to control the first end and first switch 4 of first switch 4 Second end be closed, and the 4th control signal of the output of impedance detection module 3 is to the second control terminal, to control the of second switch 5 One end and the second end of second switch 5 disconnect.In this way, in the case where first switch 4 is closed, second switch 5 disconnects, CC logics The high level signal that detection module 1 emits to connecting component and can be back to CC logics through first switch 4 and live pins 201 It is still high level signal, then CC logic detections module 1 can be controlled and be filled if the variation of the level signal is little in detection module 1 Electric pin 202 charges;If the level signal changes greatly, varied is low level signal, then CC logic detections mould Block 1 can control charging pins 202 and discharge.Such as:If 201 other end of live pins connects charging wire, impulse generator 101 send out high level signal, are transmitted through first switch 4, live pins 201 and charging wire, then the level signal is along charging Line, live pins 201 and first switch 4 are back in level detector 102, are still high level signal, then CC logic detections Module 1 can control the charging of charging pins 202;If 201 other end of live pins connects current consuming apparatus, equally, impulse generator 101 send out high level signal, and through first switch 4, live pins 201 and current consuming apparatus, then the level signal is set along power consumption Standby, live pins 201 and first switch 4 are back in level detector 102, are detected as low level signal, then CC logic detections Module 1 can control the electric discharge of charging pins 202.
In the embodiment of the present invention, detecting that it is default that at least one of first resistor value and second resistance value are less than or equal to When value, first switch is disconnected, so that in the state that live pins are not charged, mobile terminal still can be carried out by charging pins Charging had not only delayed continuing for the corrosion process of the Type-c interfaces of mobile terminal, but also mobile terminal can continue to Realize charge function.
Optionally, the mobile terminal includes charge integrated circuit (Integrated Circuit, IC) 8, the charging The first end of IC8 is electrically connected with the charging pins 202, second end and 1 electricity of the CC logic detections module of the charging IC8 Connection;The CC logic detections module 1 includes processor 103, impulse generator 101 and level detector 102, the pulse hair Raw device 101 and the level detector 102 are electrically connected with the first end of the first switch 4;
Wherein, if the expression that the processor 103 receives the transmission of the level detector 102 detects disappearing for high level Breath, the processor 103 send the first message to charge for controlling the charging pins 202 to the charging IC8;
If the expression that the processor 103 receives the transmission of the level detector 102 detects low level message, institute It states processor 103 and sends the second message discharged for controlling the charging pins 202 to the charging IC8.
In addition, processor 103 is electrically connected with level detector 102 and impulse generator 101 respectively, and processor 103 can With with state charging IC8 between be electrically connected.
In the embodiment of the present invention, mobile terminal includes charging IC, and CC logic detection modules include processor, pulse generation Device and level detector, for impulse generator for emitting pulse signal, level detector is used for return pulse signal, and detects arteries and veins Rush the situation of change of signal.Processor sends first message or second according to the different situation of change of pulse signal to charging IC Message.In this way, passing through above-mentioned setting so that mobile terminal is more intelligent to the control of the charge or discharge of charging pins, And make control effect more preferable.
Optionally, the impedance detection module 3 includes electric resistance partial pressure detection unit 301 and switch control unit 302;
Wherein, when the electric resistance partial pressure detection unit 301 detects in the first resistor value and the second resistance value At least one is less than or equal to the preset value, and the switch control unit 302 exports first control signal to first control End processed is disconnected with the second end of the first end and the first switch 4 that control the first switch 4;When the electric resistance partial pressure is examined It surveys unit 301 and detects that the first resistor value and the second resistance value are all higher than the preset value, the switch control is single Member 302 exports second control signal to first control terminal, and the first end to control the first switch 4 is opened with described first Close 4 second end closure.
In the embodiment of the present invention, impedance detection module includes electric resistance partial pressure detection unit and switch control unit, resistance point Pressure detection unit is used for for detecting first resistor value and second resistance value, switch control unit according to electric resistance partial pressure detection unit Testing result output first control signal or second control signal, to realize the control to first switch and the second switch System.In this way so that the division of labor of impedance detection mould all parts in the block definitely so that the function of impedance detection module It realizes more efficient.
Optionally, the electric resistance partial pressure detection unit 301 includes voltage detecting subelement and divider resistance, the voltage Detection sub-unit and divider resistance electrical connection.
Wherein it is possible to the first detection circuit be arranged between live pins 201 and charging pins 202, in live pins 201 Second detection circuit is set between data transmission pin 203, and is loaded in divider resistance and the first detection circuit, and load Voltage on divider resistance and the second detection circuit is constant, and voltage detecting subelement can directly detect the first detection Voltage on circuit and the second detection circuit, and then obtain first resistor value and second resistance value;Certainly, voltage detecting subelement The voltage on divider resistance can also be detected, if the voltage on divider resistance is bigger, it was demonstrated that the first detection circuit and the second detection Voltage on circuit is smaller, then the resistance in the first detection circuit and the second detection circuit is also just smaller, i.e. first resistor and the Two resistance are also just smaller.In addition, measurement method can also be:Directly the electric pin that connects of divider resistance is accessed in live pins Between 201 and charging pins 202 or between live pins 201 and data transmission pin 203, then by voltage detecting subelement Load is at the both ends of divider resistance, to complete the measurement to first resistor value and second resistance value.
In the embodiment of the present invention, electric resistance partial pressure detection unit includes voltage detecting subelement and divider resistance, and is passed through Voltage detecting subelement and divider resistance detect first resistor value and second resistance value, so as to first resistor value and The detection of two resistance values is more accurate.
Optionally, the electric resistance partial pressure detection unit 301 includes voltage detecting subelement and continuous current source, the electricity It is electrically connected between pressure detection sub-unit and the continuous current source.
Wherein, in the embodiment of the present invention, the first inspection can be equally set between live pins 201 and charging pins 202 The second detection circuit, the electricity that continuous current source is sent out is arranged in slowdown monitoring circuit between live pins 201 and data transmission pin 203 Stream is constant, and voltage detecting subelement can obtain the by detecting the voltage of the first detection circuit and the second detection circuit One resistance value and second resistance value.Alternatively, directly by voltage detecting subelement connect the load of electric pin live pins 201 with fill Between electric pin 202 or between live pins 201 and data transmission pin 203.To complete to first resistor value and second The measurement of resistance value.
In the embodiment of the present invention, electric resistance partial pressure detection unit includes voltage detecting subelement and continuous current source, and is led to First resistor value and second resistance value are detected in Zenith tracking subelement and continuous current source, so as to first resistor value It is more accurate with the detection of second resistance value.
Optionally, the Type-c interfaces 2 further include interface matrix (not marked in figure), and the live pins 201 include First live pins and the second live pins, the charging pins 202 include the first charging pins and the second charging pins, described Data transmission pin 203 includes first data transmission pin and the second data transmission pin;First live pins, described One charging pins and the first data transmission pin may be contained within the first side of the interface matrix, and first electrification is drawn Foot is set between first charging pins and the first data transmission pin;Second live pins, described second Charging pins and the second data transmission pin may be contained within the second side of the interface matrix, and second live pins It is set between second charging pins and the second data transmission pin, first side and the second side are opposite Both sides;
Wherein, resistance value of the first resistor value between first live pins and first charging pins, Or the resistance value between second live pins and second charging pins;The second resistance value is the first band Resistance value or second live pins between electric pin and the first data transmission pin are passed with second data Resistance value between defeated pin.
Wherein, Type-c interfaces 2 draw including interface matrix 401, the first live pins, the second live pins, the first charging Foot, the second charging pins, first data transmission pin and the second data transmission pin, and the first live pins, the second electrification are drawn Foot, the first charging pins, the second charging pins, first data transmission pin and the second data transmission pin can be vertically arranged In on interface matrix 401.Such as:As shown in figure 4, A1, A2 in Fig. 4 are until A12, B1, B2 are until the labels such as B12 For indicating that the location label of each pin on interface matrix 401, Type-c interfaces include interface matrix 401, and first band Electric pin can be the CC1 pins of the positions A5 in figure, and the second live pins can be the CC2 pins of the positions B5 in figure, the One charging pins can be the VBUS pins of the positions A4 in figure, and the second charging pins can be the VBUS pins of the positions B4 in figure, First data transmission pin can be the D+ pins of the positions A6 in figure, and the second data transmission pin can be the D+ of the positions B6 in figure Pin.First side can be the side that the positions such as A5 and A6 indicate in figure, and the second side can be then the positions such as B5 and B6 in figure The side of expression.First resistor value can be the resistance value between the CC1 pins and the VBUS pins of the positions A4 of the positions A5, also may be used Think the resistance value between the CC2 pins of the positions B5 and the VBUS pins of the positions B4;Second resistance value can be the CC1 of the positions A5 Resistance value between pin and the D+ pins of the positions A6, or between the CC2 pins of the positions B5 and the D+ pins of the positions B6 Resistance value.Certainly, Type-c interfaces can also include other pins, such as the GND pin of the positions A1 in figure, the TX1+ of the positions A2 Pin, the TX1- pins of the positions A3, the D- pins of the positions A7, the SBU1 pins of the positions A8, the VBUS pins of the positions A9, A10 The RX2- pins set, the RX2+ pins of the positions A11, the GND pin of the positions A12, the GND pin of the positions B1, the positions B2 TX2+ Pin, the TX2- pins of the positions B3, the D- pins of the positions B7, the SBU2 pins of the positions B8, the VBUS pins of the positions B9, B10 The GND pin of the RX1+ pins and the positions B12 of the RX1- pins, the positions B11 set, wherein GND pin is for being grounded.
In the embodiment of the present invention, Type-c interfaces include interface matrix, the first live pins, the second live pins, first Charging pins, the second charging pins, first data transmission pin and the second data transmission pin, and the first live pins, first Charging pins and first data transmission pin may be contained within the first side of interface matrix, the second live pins, the second charging pins The second side of interface matrix is may be contained with the second data transmission pin, in this manner it is ensured that data line is accessed to shifting by user When in the Type-c interfaces in dynamic terminal, without the positive and negative of data discrimination line access, you can the access of data line is completed, to So that the access of data line is more convenient.
Referring to Fig. 5, Fig. 5 is the structure chart of another mobile terminal provided in an embodiment of the present invention.
As shown in figure 5, mobile terminal 500 include radio frequency (Radio Frequency, RF) circuit 510, it is memory 520, defeated Enter unit 530, display unit 540, processor 550, voicefrequency circuit 560, communication module 570, power supply 580, CC logic detection moulds Block, Type-c interfaces, impedance detection module and first switch;
The Type-c interfaces include live pins, charging pins and data transmission pin;
The impedance detection module is used to measure the first resistor value between the live pins and the charging pins, and For measuring the second resistance value between the live pins and the data transmission pin;
The first end of the first switch is electrically connected with the CC logic detections module, the second end of the first switch with The live pins electrical connection, the first control terminal of the first switch are electrically connected with the impedance detection module;
Wherein, when the impedance detection module detects at least one of the first resistor value and the second resistance value Less than or equal to preset value, the impedance detection module exports first control signal to first control terminal, described in control The first end of first switch and the second end of the first switch disconnect;When the impedance detection module detects first electricity Resistance value and the second resistance value are all higher than the preset value, and the impedance detection module exports second control signal to described the One control terminal is closed with the second end of the first end and the first switch that control the first switch.
Optionally, the mobile terminal 500 further includes second switch, current-limiting resistance and power supply;The of the second switch One end is electrically connected with the CC logic detections module, and the second end of the second switch and the first end of the current-limiting resistance are electrically connected It connects, the second control terminal of the second switch is electrically connected with the impedance detection module, the second end of the current-limiting resistance and institute State power electric connection;
Wherein, when the impedance detection module detects at least one of the first resistor value and the second resistance value Less than or equal to the preset value, the impedance detection module output third controls signal to second control terminal, with control The first end of the second switch and the second end of the second switch are closed;When the impedance detection module detects described One resistance value and the second resistance value are all higher than the preset value, the 4th control signal of impedance detection module output to institute The second control terminal is stated, is disconnected with the second end of the second switch with controlling the first end of the second switch.
Optionally, the mobile terminal 500 includes charge integrated circuit IC, and the charging IC is electrically connected with the charging pins It connects;The CC logic detections module includes processor, impulse generator and level detector, the impulse generator and the electricity Flat detector is electrically connected with the first end of the first switch;
Wherein, if the processor receives the message that the expression that the level detector is sent detects high level, institute It states processor and sends the first message to charge for controlling the charging pins to the charging IC;
If the processor receives the expression that the level detector is sent and detects low level message, the processing Device sends the second message discharged for controlling the charging pins to the charging IC.
Optionally, the impedance detection module includes electric resistance partial pressure detection unit and switch control unit;
Wherein, when the electric resistance partial pressure detection unit detects in the first resistor value and the second resistance value at least One is less than or equal to the preset value, and the switch control unit exports first control signal to first control terminal, with The second end of the first end and the first switch that control the first switch disconnects;When the electric resistance partial pressure detection unit detects It is all higher than the preset value, second control of switch control unit output to the first resistor value and the second resistance value Signal is closed to first control terminal with the second end of the first end and the first switch that control the first switch.
Optionally, the electric resistance partial pressure detection unit includes voltage detecting subelement and divider resistance, the voltage inspection Survey subelement and divider resistance electrical connection.
Optionally, the electric resistance partial pressure detection unit includes voltage detecting subelement and continuous current source, the voltage It is electrically connected between detection sub-unit and the continuous current source.
Optionally, the Type-c interfaces further include interface matrix, and the live pins include the first live pins and the Two live pins, the charging pins include the first charging pins and the second charging pins, and the data transmission pin includes the One data transmission pin and the second data transmission pin;First live pins, first charging pins and described first Data transmission pin may be contained within the first side of the interface matrix, and first live pins are set to first charging Between pin and the first data transmission pin;Second live pins, second charging pins and second number It may be contained within the second side of the interface matrix according to transmission pin, and second live pins are set to second charging and draw Between foot and the second data transmission pin, first side and the second side are opposite both sides;
Wherein, resistance value of the first resistor value between first live pins and first charging pins, Or the resistance value between second live pins and second charging pins;The second resistance value is the first band Resistance value or second live pins between electric pin and the first data transmission pin are passed with second data Resistance value between defeated pin.
Optionally, the live pins are CC1 pins or CC2 pins, and the charging pins are VBUS pins, the number It is D+ pins according to transmission pin.
Mobile terminal in the embodiment of the present invention had both delayed the continuation of the corrosion process of the Type-c interfaces of mobile terminal It carries out, and mobile terminal is made to can continue to realize charge function.
Wherein, input unit 530 can be used for receiving number input by user or character information, and generation and mobile terminal The 500 related signal input of user setting and function control.Specifically, in the embodiment of the present invention, which can To include touch panel 531.Touch panel 531, also referred to as touch screen collect user on it or neighbouring touch operation (for example user uses the operations of any suitable object or attachment on touch panel 531 such as finger, stylus), and according to advance The formula of setting drives corresponding attachment device.Optionally, touch panel 531 may include touch detecting apparatus and touch controller Two parts.Wherein, the touch orientation of touch detecting apparatus detection user, and the signal that touch operation is brought is detected, by signal Send touch controller to;Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, The processor 550 is given again, and can be received order that processor 550 is sent and be executed.Furthermore, it is possible to using resistance-type, The multiple types such as condenser type, infrared ray and surface acoustic wave realize touch panel 531.In addition to touch panel 531, input unit 530 can also include other input equipments 532, other input equipments 532 can include but is not limited to physical keyboard, function key It is one or more in (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc..
Wherein, display unit 540 can be used for showing information input by user or be supplied to information and the movement of user The various menu interfaces of terminal 500.Display unit 540 may include display panel 541, optionally, LCD or organic hairs may be used The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display panel 541.
It should be noted that touch panel 531 can cover display panel 541, touch display screen is formed, when the touch display screen is examined It measures and sends processor 550 on it or after neighbouring touch operation to determine the type of touch event, be followed by subsequent processing device 550 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and common control viewing area.The Application Program Interface viewing area And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with Including the interface elements such as icon and/or widget desktop controls of at least one application program.The Application Program Interface viewing area Or the empty interface not comprising any content.This commonly uses control viewing area for showing the higher control of utilization rate, for example, Application icons such as button, interface number, scroll bar, phone directory icon etc. are set.
Wherein processor 550 is the control centre of mobile terminal 500, utilizes various interfaces and connection whole mobile phone Various pieces, by running or executing the software program and/or module that are stored in first memory 521, and calling storage Data in second memory 522 execute the various functions and processing data of mobile terminal 500, to mobile terminal 500 Carry out integral monitoring.Optionally, processor 550 may include one or more processing units.
Mobile terminal may include:Mobile phone, tablet computer, E-book reader, MP3 player, MP4 players, number In camera, pocket computer on knee, vehicle-mounted computer, desktop computer, set-top box, intelligent TV set, wearable device extremely One item missing.
It is a kind of flow chart of detection method provided in an embodiment of the present invention referring to Fig. 6, Fig. 6.The above method is applied to move Dynamic terminal, the mobile terminal include:CC logic detections module, Type-c interfaces, impedance detection module and first switch, it is described Type-c interfaces include live pins, charging pins and data transmission pin, and the first end of the first switch is patrolled with the CC Detection module electrical connection is collected, the second end of the first switch is electrically connected with the live pins, and the first of the first switch Control terminal is electrically connected with the impedance detection module;
As shown in fig. 6, the above method includes the following steps:
Step 601, the impedance detection module detect first between the live pins and the charging pins in real time Second resistance value between resistance value and the live pins and the data transmission pin.
Wherein, impedance detection module detects first resistor value and second resistance value in real time, such as:Impedance detection module is real-time Detection can be primary every one section of regular time detection, and one section of regular time can be 1 second, 2 seconds or 5 seconds etc., tool Body does not limit herein.
It is pre- that step 602, the impedance detection module judge whether the first resistor value and the second resistance value are more than If value.
Wherein, the description of preset value may refer to the description in mobile terminal embodiment, and details are not described herein.
Optionally, the mobile terminal further includes second switch, current-limiting resistance and power supply, the first end of the second switch It is electrically connected with the CC logic detections module, the second end of the second switch is electrically connected with the first end of current-limiting resistance, described Second control terminal of second switch is electrically connected with the impedance detection module, and second end and the power supply of the current-limiting resistance are electrically connected It connects;
After step 602, the method can also include the following steps:
If at least one of the first resistor value and the second resistance value are less than or equal to the preset value, the resistance Anti- detection module output third controls signal to second control terminal, to control the first end of the second switch and described the The second end of two switches is closed;
If the first resistor value and the second resistance value are all higher than the preset value, the impedance detection module output 4th control signal is to second control terminal, to control the second end of the first end and the second switch of the second switch It disconnects.
Wherein, when at least one of first resistor value and second resistance value are less than or equal to preset value, control first switch It disconnects, and controls second switch and be closed, indicate that Type-c interfaces corrosion condition is more serious at this time, the transmitting of CC logic detection modules High level signal can only be through returning after second switch, current-limiting resistance and power supply in CC logic detection modules, and the high level is believed Number variation is little, is still high level signal, then CC logic detections module can control charging pins and charge at this time.
In present embodiment, when Type-c interface corrosion conditions are more serious, control first switch disconnects, and second switch closes It closes, had not only prevented continuing for the corrosion process of the Type-c interfaces of mobile terminal, but also mobile terminal is made to can continue to reality Existing charge function.
If at least one of step 603, the first resistor value and described second resistance value are less than or equal to preset value, institute It states impedance detection module and exports first control signal to first control terminal, to control first end and the institute of the first switch The second end for stating first switch disconnects.
Wherein, when the first end and second end of first switch disconnects, the high level exported in CC logic detection modules is believed It number is returned directly in CC logic detection modules, what CC logic detections module obtained at this time is also high level signal, can control and fill Electric pin charges.In this way, not only delayed continuing for Type-c interface corrosion processes, but enable mobile terminal after It is continuous to realize charge function.
If step 604, the first resistor value and the second resistance value are all higher than the preset value, the impedance detection Module exports second control signal to first control terminal, with the first end for controlling the first switch and the first switch Second end be closed.
Wherein, first resistor value and second resistance value are all higher than preset value, indicate between live pins and charging pins, or Extent of corrosion between person's live pins and data transmission pin is not serious or is not corroded, can be closed first at this time and open It closes, the pulse signal of CC logic detection modules transmitting can be encountered electrification and drawn with first switch and live pins this line transmissions It is back to after the component connected on foot in CC logic detection modules, and CC logic detections module can be specific according to pulse signal Situation of change controls charging pins and carries out charge or discharge.
In the embodiment of the present invention, impedance detection module detects that at least one of first resistor value and second resistance value are less than When preset value, control first switch disconnect, make live pins stop electrification, to delayed Type-c interface corrosion processes after It is continuous to carry out;When impedance detection module detects that first resistor value and second resistance value are all higher than preset value, control first switch is closed It closes, indicates that the extent of corrosion between live pins and charging pins or between live pins and data transmission pin is not serious It is not corroded either so that the charging pins that mobile terminal can continue through in Type-c interfaces are charged or put Electricity.So that mobile terminal is more intelligent.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in 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 the protection of the present invention.

Claims (10)

1. a kind of mobile terminal, which is characterized in that including:CC logic detections module, C type Type-c interfaces, impedance detection mould Block and first switch;
The Type-c interfaces include live pins, charging pins and data transmission pin;
The impedance detection module is used to measure the first resistor value between the live pins and the charging pins, and is used for Measure the second resistance value between the live pins and the data transmission pin;
The first end of the first switch is electrically connected with the CC logic detections module, the second end of the first switch with it is described Live pins are electrically connected, and the first control terminal of the first switch is electrically connected with the impedance detection module;
Wherein, when the impedance detection module detects that at least one of the first resistor value and the second resistance value are less than Or it is equal to preset value, the impedance detection module exports first control signal to first control terminal, to control described first The first end of switch and the second end of the first switch disconnect;When the impedance detection module detects the first resistor value It is all higher than the preset value with the second resistance value, the impedance detection module exports second control signal to first control End processed is closed with the second end of the first end and the first switch that control the first switch.
2. mobile terminal as described in claim 1, which is characterized in that the mobile terminal further includes second switch, current limliting electricity Resistance and power supply;The first end of the second switch is electrically connected with the CC logic detections module, the second end of the second switch It is electrically connected with the first end of the current-limiting resistance, the second control terminal of the second switch is electrically connected with the impedance detection module It connects, the second end of the current-limiting resistance and the power electric connection;
Wherein, when the impedance detection module detects that at least one of the first resistor value and the second resistance value are less than Or it is equal to the preset value, the impedance detection module output third controls signal to second control terminal, described in control The first end of second switch and the second end of the second switch are closed;When the impedance detection module detects first electricity Resistance value and the second resistance value are all higher than the preset value, the 4th control signal of impedance detection module output to described the Two control terminals are disconnected with controlling the first end of the second switch with the second end of the second switch.
3. mobile terminal as described in claim 1, which is characterized in that the mobile terminal includes charge integrated circuit IC, institute The first end for stating charging IC is electrically connected with the charging pins, second end and the CC logic detections module electricity of the charging IC Connection;The CC logic detections module includes processor, impulse generator and level detector, the impulse generator and described Level detector is electrically connected with the first end of the first switch;
Wherein, if the processor receives the message that the expression that the level detector is sent detects high level, the place Reason device sends the first message to charge for controlling the charging pins to the charging IC;
If the processor receives the expression that the level detector is sent and detects low level message, the processor to The charging IC sends the second message discharged for controlling the charging pins.
4. mobile terminal as described in claim 1, which is characterized in that the impedance detection module includes that electric resistance partial pressure detection is single Member and switch control unit;
Wherein, when the electric resistance partial pressure detection unit detects at least one of the first resistor value and the second resistance value Less than or equal to the preset value, the switch control unit exports first control signal to first control terminal, with control The first end of the first switch and the second end of the first switch disconnect;When the electric resistance partial pressure detection unit detects institute It states first resistor value and the second resistance value is all higher than the preset value, the switch control unit exports second control signal To first control terminal, it is closed with the second end of the first end and the first switch that control the first switch.
5. mobile terminal as claimed in claim 4, which is characterized in that the electric resistance partial pressure detection unit includes voltage detecting Subelement and divider resistance, the voltage detecting subelement and divider resistance electrical connection.
6. mobile terminal as claimed in claim 4, which is characterized in that the electric resistance partial pressure detection unit includes voltage detecting Subelement and continuous current source are electrically connected between the voltage detecting subelement and the continuous current source.
7. such as mobile terminal according to any one of claims 1 to 6, which is characterized in that the Type-c interfaces further include connecing Mouth matrix, the live pins include the first live pins and the second live pins, and the charging pins include that the first charging is drawn Foot and the second charging pins, the data transmission pin include first data transmission pin and the second data transmission pin;It is described First live pins, first charging pins and the first data transmission pin may be contained within the first of the interface matrix Side, and first live pins are set between first charging pins and the first data transmission pin;Described Two live pins, second charging pins and the second data transmission pin may be contained within the second of the interface matrix Side, and second live pins are set between second charging pins and the second data transmission pin, described Side and the second side are opposite both sides;
Wherein, resistance value of the first resistor value between first live pins and first charging pins, or Resistance value between second live pins and second charging pins;The second resistance value is that first electrification is drawn Resistance value or second live pins between foot and the first data transmission pin are drawn with second data transmission Resistance value between foot.
8. such as mobile terminal according to any one of claims 1 to 6, which is characterized in that the live pins be CC1 pins or Person's CC2 pins, the charging pins are VBUS pins, and the data transmission pin is D+ pins.
9. a kind of detection method, which is characterized in that be applied to mobile terminal, the mobile terminal includes:CC logic detections module, Type-c interfaces, impedance detection module and first switch, the Type-c interfaces include that live pins, charging pins and data pass Defeated pin, the first end of the first switch are electrically connected with the CC logic detections module, the second end of the first switch with The live pins electrical connection, the first control terminal of the first switch are electrically connected with the impedance detection module;
The method includes:
The impedance detection module detects the first resistor value between the live pins and the charging pins, Yi Jisuo in real time State the second resistance value between live pins and the data transmission pin;
The impedance detection module judges whether the first resistor value and the second resistance value are more than preset value;
If at least one of the first resistor value and the second resistance value are less than or equal to preset value, the impedance detection mould Block exports first control signal to first control terminal, with the first end for controlling the first switch and the first switch Second end disconnects;
If the first resistor value and the second resistance value are all higher than the preset value, the impedance detection module output second Signal is controlled to first control terminal, is closed with controlling the second end of first end and the first switch of the first switch It closes.
10. method as claimed in claim 9, which is characterized in that the mobile terminal further include second switch, current-limiting resistance and Power supply, the first end of the second switch are electrically connected with the CC logic detections module, the second end and limit of the second switch The first end of leakage resistance is electrically connected, and the second control terminal of the second switch is electrically connected with the impedance detection module, the limit The second end of leakage resistance is electrically connected to a power source;
The impedance detection module judge the step of whether the first resistor value and the second resistance value are more than preset value it Afterwards, the method further includes:
If at least one of the first resistor value and the second resistance value are less than or equal to the preset value, the impedance inspection It surveys module output third and controls signal to second control terminal, the first end to control the second switch is opened with described second The second end of pass is closed;
If the first resistor value and the second resistance value are all higher than the preset value, the impedance detection module output the 4th Signal is controlled to second control terminal, is broken with the second end of the second switch with controlling the first end of the second switch It opens.
CN201810233916.XA 2018-03-21 2018-03-21 A kind of mobile terminal and detection method Active CN108536055B (en)

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