CN106026228B - A kind of charging USB line, adapter and mobile terminal - Google Patents
A kind of charging USB line, adapter and mobile terminal Download PDFInfo
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- CN106026228B CN106026228B CN201610365551.7A CN201610365551A CN106026228B CN 106026228 B CN106026228 B CN 106026228B CN 201610365551 A CN201610365551 A CN 201610365551A CN 106026228 B CN106026228 B CN 106026228B
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
- H01R27/02—Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more dissimilar counterparts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The embodiment of the invention provides a kind of charging USB lines, adapter and mobile terminal, the USB line that charges includes the first A type USB plug, first Type B USB plug and the first VBUS line being connected respectively with the first A type USB plug and the first Type B USB plug, first D- data line, first D+ data line and the first ground wire, the USB line that charges further includes the first USB_ID line and first resistor module, first USB_ID line is connected with the 2nd USB_ID foot of the first USB_ID foot of the first A type USB plug and the first Type B USB plug respectively, first resistor module is connected with the first USB_ID line and the first ground wire respectively.The embodiment of the present invention can accurately distinguish whether current charging USB line is original-pack charging USB line, convenient for avoiding carrying out quick charge bring security risk using non-original-pack charging USB line, greatly improve charging security.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of charging USB line, a kind of adapter and a kind of shifting
Dynamic terminal.
Background technique
At this stage, in order to facilitate user, it is all charger and charging USB (Universal that adapter fills usually in trip
Serial Bus, universal serial bus)) line separation design.Since charging USB line at this stage does not have any authentication side
Formula, so original-pack charging USB line can be mixed with non-original-pack charging USB line.In the past, it is right when charging current is little
Charge USB line quality requirement it is not high, when original-pack charging USB line is mixed with non-original-pack charging USB line, will not usually go out
Existing problem.
But as rapid nitriding is more more and more universal, charging current backward can be increasing, in big charging current
Background under, rapid nitriding proposes requirements to the quality of charging USB line, design and the unqualified charging USB line of quality,
There can be security risk.For example, when needing to carry out quick charge, if one is designed for commonly charging at all
Charging USB line brings carry out quick charge, or the unqualified charging USB line of quality is brought carry out quick charge, then quickly
Excessive charging current can bring following problems when charging: 1, excessive energy is lost in the USB line that charges, and reduces charge efficiency；
2, the fever of charging USB line is excessive, and wire surface temperature is excessively high, is easy scald user, or even causes the major accidents such as burning.
Summary of the invention
In view of the above problems, the embodiment of the present invention be designed to provide a kind of charging USB line, adapter and it is mobile eventually
End, not having any authentication mode rapid nitriding with the charging USB line for solving the problem of at this stage, there are security risks.
First aspect embodiment, provides a kind of charging USB line, and the charging USB line includes the first A type USB plug, the
One Type B USB plug and the first VBUS line being connected respectively with the first A type USB plug and the first Type B USB plug,
First D- data line, the first D+ data line and the first ground wire, the first A type USB plug have a first USB_ID foot, and described the
One Type B USB plug has the 2nd USB_ID foot, and the charging USB line further includes the first USB_ID line and first resistor module,
In, the first USB_ID line is connected with the first USB_ID foot and the 2nd USB_ID foot respectively, the first resistor
Module is connected with the first USB_ID line and first ground wire respectively.
The charging USB line of first aspect present invention embodiment includes following advantages: by increasing by first in charging USB line
USB_ID line and first resistor module, and be arranged the first USB_ID line respectively with the first USB_ID foot and the 2nd USB_ID foot phase
Even, and setting first resistor module is connected with the first USB_ID line and the first ground wire respectively.Thus by first resistor module
Whether identity of the resistance value as charging USB line is original-pack charging USB line convenient for identification charging USB line.
Second aspect embodiment provides a kind of mobile terminal, comprising: the first USB connector, ADC interface, second resistance
Module, the first default power supply and first processor, first USB connector have the 3rd USB_ID foot, wherein the ADC
Interface is connected with the 3rd USB_ID foot and the first processor respectively；The second resistance module is respectively with described first
Default power supply is connected with the ADC interface；When first USB connector is electrically connected with a charging USB line, the ADC is connect
The voltage signal of 3rd USB_ID foot is converted to corresponding ADC value by mouth, and the first processor determines institute according to the ADC value
The corresponding resistance value of voltage signal of the 3rd USB_ID foot is stated, and works as the corresponding resistance of voltage signal of the 3rd USB_ID foot
When value is equal to the resistance value of first resistor module, judge the charging USB line for original-pack charging USB line, and when the third
When the corresponding resistance value of the voltage signal of USB_ID foot is not equal to the resistance value of the first resistor module, the charging is judged
USB line is non-original-pack charging USB line.
The mobile terminal of second aspect of the present invention embodiment includes following advantages: by by ADC interface respectively with third
USB_ID foot is connected with first processor, and second resistance module is connected with default power supply and ADC interface respectively, and then works as
When first USB connector is electrically connected with a charging USB line, the voltage signal of the 3rd USB_ID foot is converted to correspondence by ADC interface
ADC value, and the corresponding resistance value of voltage signal of the 3rd USB_ID foot is determined by first processor according to ADC value, and
Whether charging USB line is judged according to the resistance value of the corresponding resistance value of voltage signal of the 3rd USB_ID foot and first resistor module
For original-pack charging USB line.In this way, mobile terminal can accurately distinguish whether current charging USB line is original-pack charging USB line, have
When conducive to avoiding carrying out quick charge bring security risk using non-original-pack charging USB line, and be conducive to protect user's charging
Safety.
Third aspect embodiment, provides a kind of charging USB line, and the charging USB line includes the 2nd A type USB plug, the
Two Type B USB plugs and the 2nd VBUS line being connected respectively with the 2nd A type USB plug and the second Type B USB plug,
2nd D- data line, the 2nd D+ data line and the second ground wire, the second Type B USB plug has the 4th USB_ID foot, described to fill
Electric USB line further include the 2nd USB_ID line and EPROM (Erasable Programmable Read Only Memory, it is erasable
Except programmable read-only register), wherein one end of the 2nd USB_ID line is connected with the 4th USB_ID foot；It is described
EPROM is connected with the other end of the 2nd USB_ID line and second ground wire respectively, the default authentication letter of EPROM storage
Breath.
The charging USB line of third aspect present invention embodiment includes following advantages: by increasing by second in charging USB line
USB_ID line and EPROM, and one end that the 2nd USB_ID line is arranged is connected with the 4th USB_ID foot, and setting EPROM distinguishes
It is connected with the other end of the 2nd USB_ID line and the second ground wire, EPROM stores default authentication information.To what EPROM was stored
Whether identity of the default authentication information as charging USB line is original-pack charging USB line convenient for identification charging USB line.
Fourth aspect embodiment provides a kind of mobile terminal, comprising: the second USB connector, GPIO (General
Purpose Input/Output, universal input/output) interface, 3rd resistor module, the second default power supply and second processing
Device, second USB connector have the 5th USB_ID foot, wherein the GPIO interface respectively with the 5th USB_ID foot
It is connected with the second processor；The 3rd resistor module respectively with the described second default power supply and the GPIO interface phase
Even；When second USB connector is electrically connected with a charging USB line, the second processor is read by the GPIO interface
The information stored in the charging USB line is taken, and when the information of reading is default authentication information, judges the charging USB line
For original-pack charging USB line, and when the information of the reading is not the default authentication information, the second processor judgement
The charging USB line is non-original-pack charging USB line.
The mobile terminal of fourth aspect present invention embodiment includes following advantages: by by GPIO interface respectively with the 5th
USB_ID foot is connected with second processor, and 3rd resistor module is connected with the second default power supply and GPIO interface respectively,
And then when the second USB connector is electrically connected with a charging USB line, second processor reads charging USB line by GPIO interface
The information of middle storage, and judge whether charging USB line is original-pack charging USB line according to the information of reading and default authentication information.
In this way, mobile terminal can accurately distinguish whether current charging USB line is original-pack charging USB line, be conducive to avoid using non-original
Dress charging USB line carries out quick charge bring security risk, and is conducive to protect safety when user's charging.
5th aspect embodiment provides a kind of adapter, including charger and first aspect embodiment or the third aspect
Charging USB line described in embodiment.
The adapter of fifth aspect present invention embodiment includes following advantages: by using above-mentioned charging USB line, thus
It whether is original-pack charging USB line convenient for the charging USB line in identification adapter.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of charging USB line embodiment of the invention；
Fig. 2 is a kind of structural schematic diagram of mobile terminal embodiment of the invention；
Fig. 3 is the first USB connector and charging USB line shown in FIG. 1 electricity in a kind of mobile terminal embodiment of the invention
Structural schematic diagram when connection；
Fig. 4 is the structural schematic diagram of another charging USB line embodiment of the invention；
Fig. 5 is the structural schematic diagram of another mobile terminal embodiment of the invention；
Fig. 6 is the second USB connector and charging USB line shown in Fig. 4 in another mobile terminal embodiment of the invention
Structural schematic diagram when electrical connection.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Referring to Fig.1, a kind of structural schematic diagram of charging USB line embodiment of the invention, the charging USB line 10 packet are shown
Include the first A type USB plug 11, the first Type B USB plug 12 and respectively with the first A type USB plug 11 and the first Type B USB plug
12 connected the first VBUS line VBUS1, the first D- data line D1-, the first D+ data line D1+ and the first ground wire GND1, the first A type
USB plug 11 has the first USB_ID foot 111, and the first Type B USB plug 12 has the 2nd USB_ID foot 121, and charge USB line 10
It further include the first USB_ID line USB_ID1 and first resistor module 18.Wherein, the first USB_ID line USB_ID1 is respectively with first
USB_ID foot 111 is connected with the 2nd USB_ID foot 121, first resistor module 18 respectively with the first USB_ID line USB_ID1 and
One ground wire GND1 is connected.
Wherein, identity of the resistance value of first resistor module 18 as charging USB line 10.Specifically, first resistor
The resistance value of module 18 can be configured according to practical application when USB line 10 is charged in production.Specifically, of the invention one
In a embodiment, referring to Fig.1, first resistor module 18 is used as pull down resistor, and first resistor module 18 can be first resistor R1.
The charging USB line of the embodiment of the present invention includes following advantages: by increasing by the first USB_ID line in charging USB line
With first resistor module such as first resistor, and be arranged the first USB_ID line respectively with the first USB_ID foot and the 2nd USB_ID foot
It is connected, and setting first resistor module is connected with the first USB_ID line and the first ground wire respectively.Thus by first resistor module
Resistance value as charging USB line identity, convenient for identification charging USB line whether be original-pack charging USB line.
Referring to Fig. 2, a kind of structural schematic diagram of mobile terminal embodiment of the invention, the mobile terminal 20 packet are shown
It includes: the first USB connector 21, ADC interface 22, second resistance module 23, the first default power supply 24 and first processor 25, first
USB connector 21 has the 3rd USB_ID foot 211.Wherein, ADC interface 22 is handled with the 3rd USB_ID foot 211 and first respectively
Device 25 is connected；Second resistance module 23 is connected with the first default power supply 24 and ADC interface 22 respectively；When the first USB connector 21
When being electrically connected with a charging USB line, the voltage signal of the 3rd USB_ID foot 211 is converted to corresponding ADC value by ADC interface 22,
First processor 25 determines the corresponding resistance value of voltage signal of the 3rd USB_ID foot 211 according to ADC value, and as the 3rd USB_ID
When the corresponding resistance value of the voltage signal of foot 211 is equal to the resistance value of first resistor module 18, judge that charging USB line fills to be original-pack
Electric USB line, and when the corresponding resistance value of voltage signal of the 3rd USB_ID foot 211 is not equal to the resistance of first resistor module 18
When value, the USB line that judges to charge is non-original-pack charging USB line.
The mobile terminal 20 of the embodiment of the present invention may include mobile phone, tablet computer, personal digital assistant
(PersonalDigital Assistant, PDA) or vehicle-mounted computer etc..
Further, in one embodiment of the invention, when the USB line that judges to charge is original-pack charging USB line, first
Processor 25 can control the first USB connector 21 and carry out quick charge；And when the USB line that judges to charge is non-original-pack charging
When USB line, first processor 25 can control the first USB connector 21 and commonly be charged, to effectively prevent using non-
Original-pack charging USB line carries out quick charge bring security risk, greatly improves charging security, guarantees user security, mentions
High user experience.
Specifically, the resistance value of second resistance module 23 can be set according to practical application when producing mobile terminal 20
It sets.Specifically, in one embodiment of the invention, referring to Fig. 2, second resistance module 23 is used as pull-up resistor, second resistance
Module 23 can be second resistance R2.Wherein, in Fig. 2, the first USB connector 21 also has VBUS foot VBUS2, D- data pin
D2-, D+ data pin D2+ and lower margin GND2, the first default power supply 24 can be 1.8V power supply.
Referring to Fig. 3, when the first USB connector 21 is electrically connected with charging USB line 10 shown in FIG. 1, the first USB connector
21 VBUS foot VBUS2 is connected with the first VBUS line VBUS1, the D- data D2- and the first D- data line of the first USB connector 21
D1- is connected, and the D+ data pin D2+ of the first USB connector 21 is connected with the first D+ data line D1+, and the of the first USB connector 21
Three USB_ID feet 211 are connected by the 2nd USB_ID foot 121 with the first USB_ID line USB_ID1, the ground of the first USB connector 21
Foot GND2 is connected with the first ground wire GND1；First ground wire GND1, first resistor module 18, second resistance module 23 and first are default
Power supply 24 forms potential-divider network.Wherein, in Fig. 3,30 can be the original-pack charging being adapted to charging USB line 10 and mobile terminal 20
Device.
At this point, the voltage signal of the 3rd USB_ID foot 211 is the voltage division signal of first resistor module 18 in potential-divider network,
The voltage signal of 3rd USB_ID foot 211 is converted to corresponding ADC value by ADC interface 22, and first processor 25 is true according to ADC value
The corresponding resistance value of voltage signal of fixed 3rd USB_ID foot 211 is the resistance value of first resistor module 18, judges the USB line that charges
10 be original-pack charging USB line, and first processor 25 controls the first USB connector 21 and carries out quick charge.
The mobile terminal of the embodiment of the present invention includes following advantages: by by ADC interface respectively with the 3rd USB_ID foot and
First processor is connected, and second resistance module is connected with default power supply and ADC interface respectively, and then when the first USB connects
Connect device with one charging USB line be electrically connected when, the voltage signal of the 3rd USB_ID foot is converted to corresponding ADC value by ADC interface, with
And the corresponding resistance value of voltage signal of the 3rd USB_ID foot is determined according to ADC value by first processor, and according to third
The resistance value of the corresponding resistance value of the voltage signal of USB_ID foot and first resistor module judges whether charging USB line is original-pack fill
Electric USB line.In this way, mobile terminal can accurately distinguish whether current charging USB line is original-pack charging USB line, be conducive to avoid
Quick charge bring security risk is carried out using non-original-pack charging USB line, and is conducive to protect safety when user's charging.
Referring to Fig. 4, the structural schematic diagram of another charging USB line embodiment of the invention, the charging USB line 40 are shown
It is including the 2nd A type USB plug 41, the second Type B USB plug 42 and slotting with the 2nd A type USB plug 41 and the second Type B USB respectively
First 42 connected the 2nd VBUS line VBUS3, the 2nd D- data line D3-, the 2nd D+ data line D3+ and the second ground wire GND3, the 2nd B
Type USB plug 42 has the 4th USB_ID foot 421, and charging USB line 40 further includes the 2nd USB_ID line USB_ID3 and EPROM,
In, one end of the 2nd USB_ID line USB_ID3 is connected with the 4th USB_ID foot 421；EPROM respectively with the 2nd USB_ID line USB_
The other end of ID3 and the second ground wire GND3 are connected, and EPROM stores default authentication information.
Wherein, identity of the authentication information as charging USB line 40 is preset, default authentication information may include with default
The wire rod information of the charging USB line 40 of coding mode coding or default authentication information may include being encoded in a manner of pre-arranged code
Charging USB line 40 wire rod information, authentication information and check information etc..
Specifically, default authentication information can be default value information, and the default value information is in EPROM with binary system
Number expression, such as 01011100.Specifically, mirror can disposably be preset to EPROM burning when the USB line 40 that charges dispatches from the factory
Information is weighed, default authentication information can not be changed again later.
Preferably, in one embodiment of the invention, it can be set referring to Fig. 4, EPROM in the 2nd A type USB plug 41
Joint.
The charging USB line of the embodiment of the present invention includes following advantages: by increasing by the 2nd USB_ID line in charging USB line
And EPROM, and one end that the 2nd USB_ID line is arranged is connected with the 4th USB_ID foot, and EPROM is arranged respectively with second
The other end of USB_ID line and the second ground wire are connected, and EPROM stores default authentication information.To the default mirror for storing EPROM
Identity of the information as charging USB line is weighed, whether is original-pack charging USB line convenient for identification charging USB line.
Referring to Fig. 5, the structural schematic diagram of another mobile terminal embodiment of the invention, the mobile terminal 50 packet are shown
It includes: the second USB connector 51, GPIO interface 52,3rd resistor module 53, the second default power supply 54 and second processor 55, the
Two USB connectors 51 have the 5th USB_ID foot 511, wherein GPIO interface 52 is respectively and at the 5th USB_ID foot 511 and second
Device 55 is managed to be connected；3rd resistor module 53 is connected with the second default power supply 54 and GPIO interface 52 respectively；When the second USB connector
51 with a charging USB line when be electrically connected, and second processor 55 can read the letter that stores in the USB line that charge by GPIO interface 52
Breath, and when the information of reading is default authentication information, the USB line that judges to charge is original-pack charging USB line, and works as the letter read
When breath is not to preset authentication information, second processor 55 judges to charge USB line for non-original-pack charging USB line.
The mobile terminal 50 of the embodiment of the present invention may include mobile phone, tablet computer, personal digital assistant or vehicle-mounted computer
Deng.
Further, in one embodiment of the invention, when the USB line that judges to charge is original-pack charging USB line, second
Processor 55 can control the second USB connector 51 and carry out quick charge；When the USB line that judges to charge is non-original-pack charging USB line
When, second processor 55 can control the second USB connector 51 and commonly be charged, to effectively prevent original-pack filling using non-
Electric USB line carries out quick charge bring security risk, greatly improves charging security, guarantees user security, improves user
Experience.
Specifically, GPIO interface 52 can read the information stored in charging USB line by the way of single line communication.This
When, when GPIO interface 52 and charging USB line communication failure, then it represents that charging USB line does not integrate EPROM, second processor 55
Judge to charge USB line for non-original-pack charging USB line；When GPIO interface 52 with charging USB line communicate successfully but GPIO interface 52 reading
When the information taken is not default authentication information, second processor 55 judges to charge USB line for non-original-pack charging USB line；Work as GPIO
When interface 52 communicates successfully with charging USB line and the information of the reading of GPIO interface 52 is default authentication information, second processor 55
Judge to charge USB line for original-pack charging USB line.
Specifically, the resistance value of 3rd resistor module 53 can be set according to practical application when producing mobile terminal 50
It sets.Specifically, in one embodiment of the invention, referring to Fig. 5,3rd resistor module 53 is used as pull-up resistor, 3rd resistor
Module 53 can be 3rd resistor R3.Wherein, in Fig. 5, the second USB connector 51 also has VBUS foot VBUS4, D- data pin
D4-, D+ data pin D4+ and lower margin GND4, the second default power supply 54 can be 1.8V power supply or 2.8V power supply.
Referring to Fig. 6, when the second USB connector 51 is electrically connected with charging USB line 40 shown in Fig. 4, the second USB connector
51 VBUS foot VBUS4 is connected with the 2nd VBUS line VBUS3, the D- data pin D4- and the 2nd D- data of the second USB connector 51
Line D3- is connected, and the D+ data pin D4+ of the second USB connector 51 is connected with the 2nd D+ data line D3+, the second USB connector 51
5th USB_ID foot 511 is connected by the 4th USB_ID foot 421 with the 2nd USB_ID line USB_ID3, the second USB connector 51
Lower margin GND4 is connected with the second ground wire GND3, and GPIO interface 52 is powered EPROM.Wherein, in Fig. 6,60 can be and fill
The original-pack charger that electric USB line 40 and mobile terminal 50 are adapted to.
It is stored at this point, second processor 55 can be read in EPROM in such a way that GPIO interface 52 is using single line communication
Default authentication information, judge charge USB line for original-pack charging USB line, second processor 55 control the second USB connector 51 into
Row quick charge.
The mobile terminal of the embodiment of the present invention includes following advantages: by by GPIO interface respectively with the 5th USB_ID foot and
Second processor is connected, and 3rd resistor module is connected with the second default power supply and GPIO interface respectively, and then when second
When USB connector is electrically connected with a charging USB line, second processor reads the letter stored in charging USB line by GPIO interface
Breath, and judge whether charging USB line is original-pack charging USB line according to the information of reading and default authentication information.In this way, mobile whole
End can accurately distinguish whether current charging USB line is original-pack charging USB line, be conducive to avoid using non-original-pack charging USB line
Quick charge bring security risk is carried out, and is conducive to protect safety when user's charging.
The embodiment of the invention also discloses a kind of adapter, which includes charger and charging USB line shown in FIG. 1
10 or shown in Fig. 4 charging USB lines 40.
The adapter of the embodiment of the present invention includes following advantages: by using above-mentioned charging USB line, consequently facilitating identification
Whether the charging USB line in adapter is original-pack charging USB line.
It for adapter embodiments, is described relatively simple, referring to the part of charging USB line embodiment in place of correlation
Explanation.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of charging USB line provided by the present invention, adapter and mobile terminal, it is described in detail, this
Apply that a specific example illustrates the principle and implementation of the invention in text, the explanation of above example is only intended to
It facilitates the understanding of the method and its core concept of the invention；At the same time, for those skilled in the art, think of according to the present invention
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
Limitation of the invention.
Claims (3)
1. a kind of mobile terminal characterized by comprising the second USB connector, GPIO interface, 3rd resistor module, second are in advance
If power supply and second processor, second USB connector has the 5th USB_ID foot, wherein
The GPIO interface is connected with the 5th USB_ID foot and the second processor respectively；
The 3rd resistor module is connected with the described second default power supply and the GPIO interface respectively；
When second USB connector is electrically connected with a charging USB line, the second processor is read by the GPIO interface
The information stored in the charging USB line is taken, and when the information of reading is default authentication information, judges the charging USB line
For original-pack charging USB line, and when the information of the reading is not the default authentication information, the second processor judgement
The charging USB line is non-original-pack charging USB line.
2. mobile terminal according to claim 1, which is characterized in that
When judging the charging USB line for original-pack charging USB line, the second processor controls second USB connector
Carry out quick charge；
When judging the charging USB line for non-original-pack charging USB line, the second processor controls the 2nd USB connection
Device is commonly charged.
3. mobile terminal according to claim 2, which is characterized in that the GPIO interface is read by the way of single line communication
Take the information stored in the charging USB line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610365551.7A CN106026228B (en) | 2016-05-26 | 2016-05-26 | A kind of charging USB line, adapter and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610365551.7A CN106026228B (en) | 2016-05-26 | 2016-05-26 | A kind of charging USB line, adapter and mobile terminal |
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| CN106026228A CN106026228A (en) | 2016-10-12 |
| CN106026228B true CN106026228B (en) | 2019-02-15 |
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| CN106374309B (en) * | 2016-11-02 | 2020-12-11 | 上海传英信息技术有限公司 | USB transmission line, mobile terminal and USB charging method |
| CN106972568A (en) * | 2017-04-13 | 2017-07-21 | 上海与德科技有限公司 | Charging detecting circuit, method and electronic equipment |
| CN107276159B (en) * | 2017-06-27 | 2019-10-18 | 维沃移动通信有限公司 | A kind of battery charge controller, method and mobile terminal |
| CN111316523A (en) * | 2017-10-19 | 2020-06-19 | 深圳市柔宇科技有限公司 | Cable through-current capacity detection method and electronic equipment |
| WO2019084813A1 (en) * | 2017-10-31 | 2019-05-09 | 深圳市柔宇科技有限公司 | Electronic device and charging cable verification method |
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