CN104101808B - Charger detection system and its detection method and mobile terminal - Google Patents
Charger detection system and its detection method and mobile terminal Download PDFInfo
- Publication number
- CN104101808B CN104101808B CN201410351949.6A CN201410351949A CN104101808B CN 104101808 B CN104101808 B CN 104101808B CN 201410351949 A CN201410351949 A CN 201410351949A CN 104101808 B CN104101808 B CN 104101808B
- Authority
- CN
- China
- Prior art keywords
- resistance
- charging
- charger
- voltage
- detection module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 102
- 238000007600 charging Methods 0.000 claims abstract description 155
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses charger detection system and its detection method and mobile terminal, its charger detection system includes charger and mobile terminal.Charger includes identification resistance；Charge output interface, for connecting mobile terminal；The output interface that charges includes VBUS ends, DP ends, DN ends and GND ends；Charge output module, for exporting charging voltage and charging current.Mobile terminal includes charging input interface, for connecting charging output interface；Baseband controller, the resistance between DP ends and DN ends for calculating charging output interface, and open charge function when the resistance of calculating is in the range of preset resistive value.The present invention is calculated the resistance between the DP ends and DN ends of the output interface that charges by mobile terminal, and open charge function when the resistance of calculating is in the range of preset resistive value, to realize non-standard charger can not be charged to mobile terminal, it is to avoid charged the various charging safety problems caused using non-standard configuration mobile terminal.
Description
Technical field
The present invention relates to electronic product, more particularly to a kind of charger detection system and its detection method and mobile terminal.
Background technology
Charger is used as the most frequently used annex of mobile terminal, it is necessary to be reliable and secure, but due to most of mobile terminal
The design of standard configuration charger circuit it is simple and charging inlet is generally applicable, cause user to be used during routine use non-
Standard configuration charger charges to mobile terminal.Due to generally there are electric parameter between non-standard charger and standard configuration charger
On difference, situations such as easily producing that charging is abnormal, occur damaging charger, mobile terminal.
At present, the leader of mobile phone industry be devoted to study its mobile terminal can only use standard configuration charger, such as apple
The mobile terminal product of fruit company production can only use apple charger to charge.On the one hand so do can set up brand authority；
On the other hand user can also be forced to use the standard configuration charger of mobile terminal, greatly reduced due to being made using non-standard charger
Into various charging safety problems.
Thus prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of charger detection system and its
Detection method and mobile terminal, can prevent non-standard charger to be charged to mobile terminal.
In order to achieve the above object, this invention takes following technical scheme：
A kind of charger detection system, it include charger and for detect charger whether be standard configuration charger movement
Terminal；
The charger includes：
Recognize resistance；
Charge output interface, for connecting mobile terminal；It is described charging output interface include VBUS ends, DP ends, DN ends and
GND ends；
Charge output module, for exporting charging voltage and charging current；
The VBUS ends connection charging output module of the charging output interface, the DP ends of the charging output interface pass through institute
State the DN ends of identification resistance connection charging output interface；
The mobile terminal includes：
Charging input interface, for connecting the charging output interface；
Baseband controller, the resistance between DP ends and DN ends for calculating charging output interface, and in the resistance of calculating
Charge function is opened when in the range of preset resistive value；
VBUS ends, DP ends and the DN ends of the charging input interface are all connected with baseband controller.
In described charger detection system, the baseband controller includes：
First resistor；
Second resistance；
Charger connection detection module, the connection status for detecting charger and charging input interface；
Reference voltage output module, for exporting a constant reference voltage；
Voltage detection module, the voltage on DP ends and DN ends for obtaining charging input interface；
Charger detection module, voltage, first resistor on the DP ends and DN ends according to the charging input interface
And the resistance of second resistance and the reference voltage calculate the resistance between the DP ends and DN ends of charging output interface, and judge
Whether the resistance is in the range of preset resistive value；If so, opening the charge function of mobile terminal；If it is not, being then not turned on charge function；
Charge control module, the open and close for controlling charge function；
The VBUS ends of the input connection charging input end mouthful of the charger connection detection module, charger connecting detection
The output end of module connects the input of reference voltage output module, and the output end of the reference voltage output module passes through described
The first end of first resistor connection voltage detection module and the DP ends of charging input end mouthful, the second end of the voltage detection module
Connect the DN ends of charging input end mouthful, be also grounded by second resistance, the 3rd end of the voltage detection module, which is passed sequentially through, to be filled
The VBUS ends of Electrical Testing module and charge control module connection charging input end mouthful.
In described charger detection system, the charger detection module calculates charging output interface by below equation
DP ends and DN ends between resistance：
Wherein, Vp be voltage, the Rp at the DP ends of charging input interface be the resistance of first resistor, Vref be reference voltage,
Rn is the resistance of second resistance.
In described charger detection system, the charger detection module calculates charging output interface by below equation
DP ends and DN ends between resistance：
Wherein, Vn be voltage, the Rp at the DN ends of charging input interface be the resistance of first resistor, Vref be reference voltage,
Rn is the resistance of second resistance.
In described charger detection system, the first resistor is identical with the resistance of second resistance.
A kind of detection method using above-mentioned charger detection system, it includes：
When A, the VBUS ends of mobile terminal detection charging input interface produce rising edge interruption, judge charger with movement eventually
End connection charging；
B, mobile terminal calculate the resistance between the DP ends and DN ends of charging output interface, and are being preset in the resistance of calculating
Charge function is opened when in Standard resistance range.
In described detection method, the step B is specifically included：
B1, when charger is connected with charging input interface, constant reference is exported by reference voltage output module electric
Pressure；
B2, the voltage on the DP ends and DN ends that voltage detection module obtains charging input interface；
B3, charger detection module according to the voltage on the DP ends and DN ends of the charging input interface, first resistor and
The resistance of second resistance and the reference voltage calculate the resistance between the DP ends and DN ends of charging output interface, and judge to be somebody's turn to do
Whether resistance is in the range of preset resistive value；If so, opening the charge function of mobile terminal；If it is not, being then not turned on charge function.
In described detection method, in step B3, it is defeated that the charger detection module calculates charging by below equation
Resistance between the DP ends and DN ends of outgoing interface：
Wherein, Vp be voltage, the Rp at the DP ends of charging input interface be the resistance of first resistor, Vref be reference voltage,
Rn is the resistance of second resistance.
In described detection method, in step B3, it is defeated that the charger detection module calculates charging by below equation
Resistance between the DP ends and DN ends of outgoing interface：
Wherein, Vn be voltage, the Rp at the DN ends of charging input interface be the resistance of first resistor, Vref be reference voltage,
Rn is the resistance of second resistance.
A kind of mobile terminal, it includes：
Charging input interface, for connecting the charging output interface；
Baseband controller, for the resistance between the DP ends and DN ends of the output interface that charges for calculating charger, and in meter
Charge function is opened when the resistance of calculation is in the range of preset resistive value；
VBUS ends, DP ends and the DN ends of the charging input interface are all connected with baseband controller.
The charger detection system and its detection method and mobile terminal provided compared to prior art, the present invention, by moving
Dynamic terminal calculates the resistance between the DP ends and DN ends of charging output interface, and when the resistance of calculating is in the range of preset resistive value
Charge function is opened, to realize non-standard charger can not charge to mobile terminal, it is to avoid fill using non-standard configuration mobile terminal
The various charging safety problems that electricity is caused, make charging more safe and reliable.
Brief description of the drawings
Fig. 1 is the structured flowchart of charger in charger detection system of the present invention.
Fig. 2 is the structural representation of mobile terminal in charger detection system of the present invention.
Fig. 3 is the flow chart of the detection method of charger detection system of the present invention.
Embodiment
The present invention provides a kind of charger detection system and its detection method and mobile terminal, for make the purpose of the present invention,
Technical scheme and effect are clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Should
Understand, specific embodiment described herein only to explain the present invention, is not intended to limit the present invention.
Fig. 1 and Fig. 2 are referred to, wherein, Fig. 1 is the structured flowchart of charger in charger detection system of the present invention.Fig. 2 is
The structural representation of mobile terminal in charger detection system of the present invention.The charger detection system that the present invention is provided includes charging
Device and for detect charger whether be standard configuration charger mobile terminal.
The charger includes：Recognize resistance Rchg, charging output module 100 and charging output interface 200, the charging
Output interface 200 includes VBUS ends, DP ends, DN ends and GND ends.The VBUS ends connection charging of the charging output interface 200 is defeated
Go out module 100, the DP ends of the charging output interface 200 pass through identification resistance Rchg connections charging output interface 200
DN ends.The charging output interface 200 is used to connect mobile terminal, and charging output module 100 is used to connect power supply in charger
When, export charging voltage and charging current.Wherein, the charging voltage is 5V.
The mobile terminal includes charging input interface 300 and baseband controller 400, and the charging input interface 300 is used
In connecting the charging output interface 200, its VBUS end, DP ends and DN ends are all connected with baseband controller 400.
Wherein, the charging output interface 200 and charging input interface 300 are USB interface, in charging output interface
200 with charging input interface 300, and VBUS ends, DP ends, DN ends and the GND ends charged on output interface 200 are inputted with charging respectively
VBUS ends, DP ends, DN ends and the electrical connection of GND ends on interface 300.When the baseband controller 400 is used for charger insertion, meter
The resistance between the DP ends and DN ends of charging output interface 200 is calculated, and is opened when the resistance of calculating is in the range of preset resistive value
Charge function.
When it is implemented, the baseband controller 400 includes：First resistor Rp, second resistance Rn, charger connecting detection
Module 410, reference voltage output module 420, voltage detection module 430, charger detection module 440 and charge control module
450.The first resistor Rp and second resistance Rn are current-limiting resistance, prevent reference voltage output module 420 and voltage detecting mould
The electric current of block 430 is excessive, or even short circuit, and for the ease of calculating, the first resistor Rp is identical with second resistance Rn resistance.
The VBUS ends of the input connection charging input end mouthful of the charger connection detection module 410, charger connection
The input of the output end connection reference voltage output module 420 of detection module 410, for detecting the generation rising of VBUS ends
Along when interrupting, judge that mobile terminal is connected with charger.
The reference voltage output module 420 is used to export a constant reference voltage Vref, and its output end passes through described
The DP ends of first end and the charging input end mouth of first resistor Rp connections voltage detection module 430, the voltage detection module 430
The second end connection charging input end mouthful DN ends, be also grounded by second resistance Rn, the 3rd of the voltage detection module 430 the
End passes sequentially through the VBUS ends of charger detection module 440 and the connection charging input end mouthful of charge control module 450.
The voltage detection module 430 is used to obtain the voltage on the DP ends and DN ends of charging input interface 300, charging control
Molding block 450 is used for the open and close for controlling charge function.The output reference voltage Vref of reference voltage output module 420
DP ends through first resistor Rp to charging input interface 300, the DN ends of charging input interface 300 are grounded by second resistance Rn,
Charger detection module 440 is by obtaining the voltage between the DP ends of charging input interface 300 and DN ends, it is possible to calculates and fills
The resistance of identification resistance Rchg between electrical equipment inside DP ends and DN ends.
Specifically, the charger detection module 440 is used for DP ends and DN ends according to the charging input interface 300
Voltage, first resistor Rp and second resistance Rn resistance and the reference voltage Vref calculate the DP of charging output interface 200
Resistance between end and DN ends, and judge the resistance whether in the range of preset resistive value；If so, opening the charging work(of mobile terminal
Can, charging voltage and charging current that charger is exported is charged to mobile terminal.If the resistance calculated is not in preset resistive value model
Enclose, then it represents that charger is non-standard charger, is now not turned on charge function.
In the present embodiment, the charger detection module 440 calculates the DP ends for the output interface 200 that charges by below equation
With the resistance between DN ends：
Wherein, Vp is that voltage, the Rp at the DP ends of charging input interface 300 are that first resistor Rp resistance, Vref are reference
Voltage Vref, Rn are second resistance Rn resistance.
In other embodiments, the charger detection module 440 can also calculate charging output interface by below equation
Resistance between 200 DP ends and DN ends：
Wherein, Vn is that voltage, the Rp at the DN ends of charging input interface 300 are that first resistor Rp resistance, Vref are reference
Voltage Vref, Rn are second resistance Rn resistance.
The present invention correspondingly provides a kind of detection method of above-mentioned charger detection system, referring to Fig. 3, it includes：
When S100, the VBUS ends of mobile terminal detection charging input interface produce rising edge interruption, charger and shifting are judged
Dynamic terminal connection charging；
S200, mobile terminal calculate the resistance between the DP ends and DN ends of charging output interface, and exist in the resistance of calculating
Charge function is opened when in the range of preset resistive value.
If the resistance calculated is not in the range of preset resistive value, then it represents that the charger of insertion is non-standard charger, this
When be not turned on the charge function of mobile terminal, prevent non-standard charger various chargings caused of being charged to mobile terminal and ask safely
Topic.The S200 is specifically included：A, when charger is connected with charging input interface, it is permanent by the output one of reference voltage output module
Fixed reference voltage；B, the voltage on the DP ends and DN ends that voltage detection module obtains charging input interface；C, charger inspection
Module is surveyed according to voltage, the resistance of first resistor and second resistance and the institute on the DP ends and DN ends of the charging input interface
The resistance between the DP ends and DN ends of reference voltage calculating charging output interface is stated, and judges the resistance whether in preset resistive value model
In enclosing；If so, opening the charge function of mobile terminal；If it is not, being then not turned on charge function.
Wherein, in step c, the charger detection module by below equation calculate charge output interface DP ends with
Resistance between DN ends：
Wherein, Vp be voltage, the Rp at the DP ends of charging input interface be the resistance of first resistor, Vref be reference voltage,
Rn is the resistance of second resistance.
In step c, the charger detection module can also calculate the DP ends for the output interface that charges by below equation
With the resistance between DN ends：
Wherein, Vn be voltage, the Rp at the DN ends of charging input interface be the resistance of first resistor, Vref be reference voltage,
Rn is the resistance of second resistance.The result of calculation of above-mentioned two formula is identical.
The present invention correspondingly provides a kind of mobile terminal, and it includes charging input interface and baseband controller, due to the shifting
The structure composition and working method of dynamic terminal have been carried out being described in detail above, and here is omitted.
In summary, the present invention is provided charger detection system and its detection method and mobile terminal, by mobile terminal
The resistance between the DP ends and DN ends of charging input interface is calculated, and opens and fills when the resistance of calculating is in the range of preset resistive value
Electricity Functional, to realize non-standard charger can not charge to mobile terminal, it is to avoid be caused using the charging of non-standard configuration mobile terminal
Various charging safety problems, make charging more safe and reliable.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (8)
1. a kind of charger detection system, it is characterised in that including charger and for detecting whether charger is standard configuration charging
The mobile terminal of device；
The charger includes：
Recognize resistance；
Charge output interface, for connecting mobile terminal；The charging output interface includes VBUS ends, DP ends, DN ends and GND
End；
Charge output module, for exporting charging voltage and charging current；
The VBUS ends connection charging output module of the charging output interface, the DP ends of the charging output interface are known by described
The DN ends of other resistance connection charging output interface；
The mobile terminal includes：
Charging input interface, for connecting the charging output interface；
Baseband controller, for calculate charging output interface DP ends and DN ends between resistance, and calculating resistance pre-
Charge function is opened when in the range of handicapping value；
VBUS ends, DP ends and the DN ends of the charging input interface are all connected with baseband controller；
The baseband controller includes：
First resistor；
Second resistance；
Charger connection detection module, the connection status for detecting charger and charging input interface；
Reference voltage output module, for exporting a constant reference voltage；
Voltage detection module, the voltage on DP ends and DN ends for obtaining charging input interface；
Charger detection module, voltage, first resistor and second resistance on the DP ends according to the charging input interface
Resistance and the reference voltage calculate resistance between the DP ends and DN ends of charging output interface, or according to the charging
Voltage, the resistance of first resistor and second resistance and the reference voltage on the DN ends of input interface calculate charging output and connect
Resistance between the DP ends and DN ends of mouth, and judge the resistance whether in the range of preset resistive value；If so, opening mobile terminal
Charge function；If it is not, being then not turned on charge function；
Charge control module, the open and close for controlling charge function；
The VBUS ends of the input connection charging input end mouthful of the charger connection detection module, charger connection detection module
Output end connect the input of reference voltage output module, the output end of the reference voltage output module passes through described first
The first end of resistance connection voltage detection module and the DP ends of charging input end mouthful, the second end connection of the voltage detection module
The DN ends of charging input end mouthful, also it is grounded by second resistance, the 3rd end of the voltage detection module passes sequentially through charger
The VBUS ends of detection module and charge control module connection charging input end mouthful.
2. charger detection system according to claim 1, it is characterised in that the charger detection module passes through following
Formula calculates the resistance between the DP ends and DN ends of charging output interface：
Wherein, Vp is that voltage, the Rp at the DP ends of charging input interface are that the resistance of first resistor, Vref are that reference voltage, Rn are
The resistance of second resistance.
3. charger detection system according to claim 1, it is characterised in that the charger detection module passes through following
Formula calculates the resistance between the DP ends and DN ends of charging output interface：
Wherein, Vn is that voltage, the Rp at the DN ends of charging input interface are that the resistance of first resistor, Vref are that reference voltage, Rn are
The resistance of second resistance.
4. charger detection system according to claim 1, it is characterised in that the resistance of the first resistor and second resistance
Value is identical.
5. the detection method of charger detection system described in a kind of use claim 1, it is characterised in that including：
When step A, the VBUS ends of mobile terminal detection charging input interface produce rising edge interruption, judge charger with movement eventually
End connection charging；
Step B, mobile terminal calculate the resistance between the DP ends and DN ends of charging output interface, and are being preset in the resistance of calculating
Charge function is opened when in Standard resistance range；
The step B is specifically included：
B1, when charger is connected with charging input interface, by reference voltage output module export a constant reference voltage；
B2, the voltage on the DP ends and DN ends that voltage detection module obtains charging input interface；
B3, charger detection module are according to the voltage on the DP ends of the charging input interface, first resistor and second resistance
Resistance and the reference voltage calculate the resistance between the DP ends and DN ends of charging output interface, or defeated according to the charging
Voltage, the resistance of first resistor and second resistance and the reference voltage on the DN ends of incoming interface calculate charging output interface
DP ends and DN ends between resistance, and judge the resistance whether in the range of preset resistive value；If so, opening filling for mobile terminal
Electricity Functional；If it is not, being then not turned on charge function.
6. detection method according to claim 5, it is characterised in that in step B3, the charger detection module leads to
The resistance crossed between the DP ends and DN ends of below equation calculating charging output interface：
Wherein, Vp is that voltage, the Rp at the DP ends of charging input interface are that the resistance of first resistor, Vref are that reference voltage, Rn are
The resistance of second resistance.
7. detection method according to claim 5, it is characterised in that in step B3, the charger detection module leads to
The resistance crossed between the DP ends and DN ends of below equation calculating charging output interface：
Wherein, Vn is that voltage, the Rp at the DN ends of charging input interface are that the resistance of first resistor, Vref are that reference voltage, Rn are
The resistance of second resistance.
8. a kind of mobile terminal, it is characterised in that including：
Charging input interface, for connecting the charging output interface；
Baseband controller, for the resistance between the DP ends and DN ends of the output interface that charges for calculating charger, and in calculating
Charge function is opened when resistance is in the range of preset resistive value；
VBUS ends, DP ends and the DN ends of the charging input interface are all connected with baseband controller；
The baseband controller includes：
First resistor；
Second resistance；
Charger connection detection module, the connection status for detecting charger and charging input interface；
Reference voltage output module, for exporting a constant reference voltage；
Voltage detection module, the voltage on DP ends and DN ends for obtaining charging input interface；
Charger detection module, voltage, first resistor and second resistance on the DP ends according to the charging input interface
Resistance and the reference voltage calculate resistance between the DP ends and DN ends of charging output interface, or according to the charging
Voltage, the resistance of first resistor and second resistance and the reference voltage on the DN ends of input interface calculate charging output and connect
Resistance between the DP ends and DN ends of mouth, and judge the resistance whether in the range of preset resistive value；If so, opening mobile terminal
Charge function；If it is not, being then not turned on charge function；
Charge control module, the open and close for controlling charge function；
The VBUS ends of the input connection charging input end mouthful of the charger connection detection module, charger connection detection module
Output end connect the input of reference voltage output module, the output end of the reference voltage output module passes through described first
The first end of resistance connection voltage detection module and the DP ends of charging input end mouthful, the second end connection of the voltage detection module
The DN ends of charging input end mouthful, also it is grounded by second resistance, the 3rd end of the voltage detection module passes sequentially through charger
The VBUS ends of detection module and charge control module connection charging input end mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410351949.6A CN104101808B (en) | 2014-07-23 | 2014-07-23 | Charger detection system and its detection method and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410351949.6A CN104101808B (en) | 2014-07-23 | 2014-07-23 | Charger detection system and its detection method and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104101808A CN104101808A (en) | 2014-10-15 |
| CN104101808B true CN104101808B (en) | 2017-08-08 |
Family
ID=51670121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410351949.6A Active CN104101808B (en) | 2014-07-23 | 2014-07-23 | Charger detection system and its detection method and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104101808B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330638B (en) * | 2014-11-19 | 2017-09-05 | 惠州Tcl移动通信有限公司 | A kind of recognition methods of original-pack charging wire and system |
| CN106712122A (en) * | 2015-07-17 | 2017-05-24 | 鸿富锦精密工业(武汉)有限公司 | Charging equipment, charging system and charging method |
| CN105305565B (en) * | 2015-11-26 | 2018-02-23 | 英特格灵芯片(天津)有限公司 | A kind of charge protection and identification circuit and charging equipment |
| CN105429217B (en) * | 2015-12-08 | 2018-05-29 | 深圳天珑无线科技有限公司 | A kind of method for identifying the system of charger and its identifying charger |
| CN106546822B (en) * | 2016-10-26 | 2019-04-05 | 珠海市魅族科技有限公司 | Impedance detection method, chip and the mobile terminal of the charging circuit of load |
| CN106786848A (en) * | 2016-11-30 | 2017-05-31 | 宇龙计算机通信科技(深圳)有限公司 | Charging wire insert state suggestion device and charging wire insert state reminding method |
| CN108226671A (en) * | 2017-12-14 | 2018-06-29 | Tcl移动通信科技（宁波）有限公司 | A kind of charging interface detection circuit and its system, method and mobile terminal |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007068333A (en) * | 2005-08-31 | 2007-03-15 | Sony Corp | Power supply-dedicated device, terminal, power supply system, and power supply method |
| CN101674366B (en) * | 2009-09-19 | 2012-03-28 | 惠州Tcl移动通信有限公司 | Mobile terminal USB, or charger inserting identification method and identification device thereof |
| CN101702146B (en) * | 2009-11-02 | 2016-01-20 | 北京中星微电子有限公司 | The method of distinguishing charger and data line of universal serial bus and unit |
| US8358100B2 (en) * | 2009-11-03 | 2013-01-22 | Maxim Integrated Products, Inc. | USB dedicated charger identification circuit |
| US8717044B2 (en) * | 2010-04-23 | 2014-05-06 | Apple Inc. | Charging systems with direct charging port support and extended capabilities |
| TWI410807B (en) * | 2010-05-20 | 2013-10-01 | Mstar Semiconductor Inc | Data transmission interface and electronic apparatus utilizing the data transmission interface |
| US9083192B2 (en) * | 2011-07-07 | 2015-07-14 | Voxx International Corporation | Current selectable USB charger |
| CN103064489B (en) * | 2011-10-21 | 2016-03-30 | 华为终端有限公司 | A kind of method and terminal of carrying out internal circuit selection according to USB interface state |
| CN103311986B (en) * | 2013-06-03 | 2016-06-15 | Tcl通讯（宁波）有限公司 | Charger, mobile terminal, charger detection system and detection method thereof |
| CN103545889B (en) * | 2013-10-25 | 2016-05-11 | Tcl通讯（宁波）有限公司 | USB charging system, charger, mobile terminal and charge control method |
-
2014
- 2014-07-23 CN CN201410351949.6A patent/CN104101808B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104101808A (en) | 2014-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104101808B (en) | Charger detection system and its detection method and mobile terminal | |
| CN104330638B (en) | A kind of recognition methods of original-pack charging wire and system | |
| CN105794079B (en) | Adjust the method and device of the voltage threshold of battery | |
| CN103427460B (en) | A kind of power supply terminal, charge control method and device | |
| CN103545889B (en) | USB charging system, charger, mobile terminal and charge control method | |
| CN106100084B (en) | Charging system, terminal, power supply adaptor and charging wire | |
| CN103633709A (en) | Charge recognition system and method | |
| US20120249067A1 (en) | Apparatus for correcting a dc bias for leakage current | |
| EP3264565A1 (en) | Charging method, charging device and terminal | |
| CN104092262B (en) | Charging control device and charging control method | |
| CN104953678B (en) | A kind of control method and system mutually to be charged for mobile terminal | |
| CN109327182A (en) | A kind of DC bus over-pressure safety device, control method and a kind of servo-driver | |
| JP5879016B2 (en) | High voltage battery charging simulation system and charging simulation method using the same | |
| CN107276136A (en) | charger circuit and power system | |
| CN103840448A (en) | High-voltage connecting device with arc protection function | |
| CN105509579B (en) | A kind of electric detonator charge protector | |
| CN104836290B (en) | The detection method and detecting system that a kind of Mobile terminal charger insertion is extracted | |
| CN206542201U (en) | Short-circuit protection charging inlet | |
| CN104167790B (en) | The charge control system and its charge control method of charger, mobile terminal | |
| CN104007342A (en) | Charger, charger detection system and detection method thereof | |
| CN108321858A (en) | Charge protection device and its method | |
| CN208190282U (en) | A kind of protection system for the straight charging circuit of battery | |
| JP2021534553A (en) | A method for recognizing poor contact with a battery pack, and a system for implementing this method. | |
| CN206542202U (en) | Short-circuit protection charging inlet | |
| CN205539238U (en) | Intelligent detection equipment that can compatible quick charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211206 Address after: 264200 19th floor, block a, innovation and entrepreneurship base, No. 213, Torch Road, torch high tech Industrial Development Zone, Weihai City, Shandong Province Patentee after: WEIHAI ELECTRONIC INFORMATION TECHNOLOGY COMPREHENSIVE RESEARCH CENTER, MINISTRY OF INDUSTRY AND INFORMATION TECHNOLOGY Address before: 6 / F, No.5, Lane 999, Yangfan Road, high tech Zone, Ningbo, Zhejiang 315100 Patentee before: TCL COMMUNICATION (NINGBO) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221115 Address after: 264200 18th Floor, Building A, Innovation and Entrepreneurship Base, No. 213, Torch Road, Torch Hi tech Industrial Development Zone, Weihai, Shandong Patentee after: Weihai Shenzhou Information Technology Research Institute Co.,Ltd. Address before: 264200 19th floor, block a, innovation and entrepreneurship base, No. 213, Torch Road, torch high tech Industrial Development Zone, Weihai City, Shandong Province Patentee before: WEIHAI ELECTRONIC INFORMATION TECHNOLOGY COMPREHENSIVE RESEARCH CENTER, MINISTRY OF INDUSTRY AND INFORMATION TECHNOLOGY |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231220 Address after: Room 8-101, No.10 Cuizhuyuan, Torch High tech Industrial Development Zone, Weihai City, Shandong Province, 264200 Patentee after: Weihai Infected Five Housekeeping Services Co.,Ltd. Address before: 264200 18th Floor, Building A, Innovation and Entrepreneurship Base, No. 213, Torch Road, Torch Hi tech Industrial Development Zone, Weihai, Shandong Patentee before: Weihai Shenzhou Information Technology Research Institute Co.,Ltd. |