CN104467090B - USB rapid charging line and method thereof - Google Patents
USB rapid charging line and method thereof Download PDFInfo
- Publication number
- CN104467090B CN104467090B CN201410705821.5A CN201410705821A CN104467090B CN 104467090 B CN104467090 B CN 104467090B CN 201410705821 A CN201410705821 A CN 201410705821A CN 104467090 B CN104467090 B CN 104467090B
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- usb
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- resistor
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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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a USB quick charging wire and a method thereof, the structure comprises a connecting wire and a USB-A connector arranged at one end of the connecting wire, the USB-A connector comprises a 5V input end USB-A male seat, a 5V output end USB-A female seat and a mobile equipment intelligent identification circuit, the output end of the 5V input end USB-A male seat is respectively connected with the input end of the 5V output end USB-A female seat and the input end of the mobile equipment intelligent identification circuit, and the 5V output end USB-A female seat is connected with the mobile equipment intelligent identification circuit. According to the invention, the intelligent identification circuit of the mobile equipment can effectively realize the USB rapid charging adaptation, automatically switch to the charging standard of the mobile equipment and carry out rapid charging, so that the problem that the charging on a computer is slow or can not be carried out is effectively solved, the charging waiting time is greatly saved, and a user does not need to be provided with a plurality of chargers. The invention can be widely applied to the field of charging circuits.
Description
Technical field
The present invention relates to charging technique field, more particularly to a kind of USB quick charges line and its method.
Background technology
As technology/technique is constantly upgraded breakthrough in industry, the popularization of internet, particularly in recent years, mobile interchange
Net and smart machine organically blending and popularizing, and people's life/work rhythm, what is be virtually accelerated becomes " becoming nervous ".
The new electronic product for coming out is invariably with efficient, high-quality, intelligence, lightly convenient etc. as theory.
The popularization of the mobile devices such as such as smart mobile phone, panel computer and it is widely used in our life, they are
Always be engraved in impact and incorporate each corner of our life, we can according to various needs, very easily obtain and
Various customization of individual characters/specialized application program is installed, but that these are extremely dazzled and have lively man-machine interface, super grade high efficiency
Hardware configuration to also have the experience of high efficiency smart to bring be that our battery power is quickly consumed, and then make us need frequently
Change battery or charging and frequently look for corresponding device genuine charger/charging wire.
Then, people need Jing often with the charger of various distinct devices.But being easy to leave behind sometimes fills
Electrical equipment, is that charging brings inconvenience.
Therefore, PC adaptive charging converter has been occurred as soon as on market, with realize to targeted certain brand/certain
The mobile device of specific model, comes for its quick charge through PC.For example, certain brand adapter/converter is only capable of giving Samsung mobile phone
With the charging of 1000mA, and the panel computer to Samsung or apple Iphone, Ipad is then unable to reach its quick charge effect, its
If maximum charging current is restricted to no more than 500mA. it means that user there are multiple mobile devices, band N kinds are needed
Different this all kinds of PC adaptive charging converters.
The content of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of can be adapted to plurality of devices is charged one
Plant USB quick charges line and its method.
The technical solution adopted in the present invention is：
A kind of USB quick charges line, including connecting line and the USB-A joints for being arranged on connecting line one end, the USB-A connects
Head includes 5V input USB-A male seats, 5V output ends USB-A female seat and mobile device intelligent identifying circuit, the 5V inputs
The output end of USB-A male seats input respectively with 5V output end USB-A female seats and the input of mobile device intelligent identifying circuit
End connection, the 5V output ends USB-A female seat is connected with mobile device intelligent identifying circuit.
Used as a kind of further improvement of described USB quick charges line, the mobile device intelligent identifying circuit includes
First resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, logic controller, the first electronic switch, the second electronics
Switch, the first operational amplifier, the second operational amplifier and the 3rd operational amplifier, the first end of the first resistor and the 3rd
The first end of resistance is connected with power end, and the second end of the first resistor is connected to ground by second resistance, and the described 3rd
Second end of resistance is connected to ground by the 4th resistance, and the inverting input of first operational amplifier selects to be connected to first
Second end of resistance and the second end of 3rd resistor, the inverting input of second operational amplifier selects to be connected to first electric
Second end of resistance and the second end of 3rd resistor, the inverting input of the 3rd operational amplifier and the second operational amplifier
Inverting input connects, and the inverting input of first operational amplifier is connected with DP signal ends, the 3rd operation amplifier
The inverting input of device is connected with DM signal ends, and the in-phase input end of first operational amplifier accesses the first reference electricity
Flat, the in-phase input end of second operational amplifier accesses the second base reference level, the 3rd operational amplifier it is same
Phase input accesses the 3rd base reference level, the output end of first operational amplifier and the first input of logic controller
End connection, the output end of second operational amplifier is connected with the second input of logic controller, and the 3rd computing is put
The big output end of device is connected with the 3rd input of logic controller, and the DP signal ends are by the first electronic switch and DM signals
End connection, the DM signal ends pass sequentially through the 5th resistance and the second electronic switch is connected to ground.
Used as a kind of further improvement of described USB quick charges line, the resistance of the 5th resistance is 500 Ω.
Used as a kind of further improvement of described USB quick charges line, the connecting line and part USB-A joints are covered
There is layer of PVC.
Another technical scheme of the present invention is：
A kind of USB fast charge methods, comprise the following steps：
A, by DM/DP holding wires to mobile device send test level signal carry out affiliated rechargeable standard identification, draw
The corresponding rechargeable standard of mobile device；
The rechargeable standard that B, basis draw, logic controller exports corresponding level signal to corresponding metal-oxide-semiconductor array, and
Control it and connect corresponding electric resistance partial pressure array, so as to start quick charge.
Used as a kind of further improvement of described USB fast charge methods, step A includes：
A1, the test level signal sent to mobile device by DM/DP holding wires；
Whether A2, the feedback level signal for judging mobile device are H, if so, then execution step A3；Conversely, then continue to
A kind of test level signal under mobile device transmission, and execution step A2 again；
A3, according to correspondence feedback level signal for H test level signal, find out corresponding rechargeable standard.
The invention has the beneficial effects as follows：
A kind of USB quick charges line of the present invention and its method can effectively realize USB by mobile device intelligent identifying circuit
Quick charge is adapted to, and automatically switches to the rechargeable standard belonging to mobile device, and carries out quick charge, and effectively solving is on computers
Charge problem that is slow or cannot charging, greatlys save the charging stand-by period so that user is without the need for many band chargers again.
Description of the drawings
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of principle schematic of USB quick charges line of the invention；
Fig. 2 is the circuit theory diagrams of mobile device intelligent identifying circuit in a kind of USB quick charges line of the invention；
The step of Fig. 3 is a kind of USB fast charge methods of the invention flow chart.
Specific embodiment
With reference to Fig. 1, a kind of USB quick charges line of the invention, including connecting line and be arranged on the USB-A of connecting line one end and connect
Head, the USB-A joints include 5V input USB-A male seats, 5V output ends USB-A female seat and mobile device Intelligent Recognition electricity
Road, the output end of the 5V inputs USB-A male seats respectively with the input and mobile device intelligence of 5V output end USB-A female seats
The input connection of identification circuit, the 5V output ends USB-A female seat is connected with mobile device intelligent identifying circuit.
With reference to Fig. 2, as a kind of further improvement of described USB quick charges line, the mobile device Intelligent Recognition
Circuit include first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, logic controller, the
One electronic switch S1, the second electronic switch S2, the first operational amplifier D1, the second operational amplifier D2 and the 3rd operational amplifier
D3, the first end of first resistor R1 and the first end of 3rd resistor R3 are connected with power end, first resistor R1
Second end is connected to ground by second resistance R2, and the second end of 3rd resistor R3 is connected to ground by the 4th resistance R4, institute
The inverting input for stating the first operational amplifier D1 selects to be connected to the second end of first resistor R1 and the second of 3rd resistor R3
End, the inverting input of the second operational amplifier D2 selects the second end for being connected to first resistor R1 and 3rd resistor R3
Second end, the inverting input of the 3rd operational amplifier D3 is connected with the inverting input of the second operational amplifier D2, institute
The inverting input for stating the first operational amplifier D1 is connected with DP signal ends, the inverting input of the 3rd operational amplifier D3
It is connected with DM signal ends, in-phase input end first base reference level of access of the first operational amplifier D1, described second
The in-phase input end of operational amplifier D2 accesses the second base reference level, the in-phase input end of the 3rd operational amplifier D3
The 3rd base reference level is accessed, the output end of the first operational amplifier D1 connects with the first input end of logic controller
Connect, the output end of the second operational amplifier D2 is connected with the second input of logic controller, the 3rd operation amplifier
The output end of device D3 is connected with the 3rd input of logic controller, and the DP signal ends are believed by the first electronic switch S1 and DM
Number end connection, the DM signal ends pass sequentially through the 5th resistance R5 and the second electronic switch S2 is connected to ground.
Used as a kind of further improvement of described USB quick charges line, the resistance of the 5th resistance R5 is 500 Ω.
Used as a kind of further improvement of described USB quick charges line, the connecting line and part USB-A joints are covered
There is layer of PVC.
With reference to Fig. 3, a kind of USB fast charge methods of the invention are comprised the following steps：
A, by DM/DP holding wires to mobile device send test level signal carry out affiliated rechargeable standard identification, draw
The corresponding rechargeable standard of mobile device；
The rechargeable standard that B, basis draw, logic controller exports corresponding level signal to corresponding metal-oxide-semiconductor array, and
Control it and connect corresponding electric resistance partial pressure array, so as to start quick charge.
Used as a kind of further improvement of described USB fast charge methods, step A includes：
A1, the test level signal sent to mobile device by DM/DP holding wires；
Whether A2, the feedback level signal for judging mobile device are H, if so, then execution step A3；Conversely, then continue to
A kind of test level signal under mobile device transmission, and execution step A2 again；
A3, according to correspondence feedback level signal for H test level signal, find out corresponding rechargeable standard.
The specific embodiment of the present invention is as follows：
After user accesses the equipment such as mobile phone/panel computer to USB-A joints of the invention, mobile device Intelligent Recognition electricity
" L-1 " level is sent out in road by DM/DP holding wires to the mobile device of user, then waits the DM/ on user's mobile device
DP feedbacks are " H ", or " L " level, if that user's mobile device feedback is " H ", then it represents that current to user's mobile device
Charge arrangement is correct, is consistent with the configuration that it is required；If that user's mobile device feedback is " L ", mean to work as
The front charge arrangement to mobile device be not to, mobile device intelligent identifying circuit may proceed to be again passed through DM/DP to user
Mobile device sends out " L-2 " level, and till user's movement feedback is " H " level, and internal ROM pre-edits are good sets with it
The standby affiliated rechargeable standard that charges is checked, and draws corresponding rechargeable standard.According to Data Comparison, logic controller output is right
H/L level is answered to be turned on corresponding resistor partial pressure array to corresponding metal-oxide-semiconductor array, the level that electric resistance array is got passes through DM/DP
The charging " recognitiion gate " of holding wire " opening " user equipment, allows it to enter most fast charge mode.
In mobile device intelligent identifying circuit, by the electricity for sampling on DM/DP the inverting input for being operational amplifier
Level values, and " and computing " is done with the base reference level VDP/VDM1/VDM2 of the in-phase input end of operational amplifier, obtain " two
After level difference ", exported to logic controller by its output pin, logic controller Jing intrinsic functions computing is received when logic controller
To operational amplifier output terminal carry out level for " L " level when, logic controller can again export " H " level and give its internal MOS
Electronic switch array, makes the secondary switching of electronic switch and connects electric resistance partial pressure array first resistor R1, second resistance R2, the 3rd electric
The resistance resistance R4 of R3 the 4th and the 5th resistance R5；Carry out level for " H " level when logic controller receives operational amplifier output terminal
When, represent that current DM/DP two ends level value meets the rechargeable standards such as BC1.2 or YD/T1591-2009, therefore logic controller
Any process is not made in inside；, it is confirmed whether that to control corresponding MOS arrays comes convert resistance partial pressure contact.To maintain DM/DP in real time
On stabilization of level, it is ensured that mobile device it is stable lasting in " quick charge " state.
It is more than that the preferable enforcement to the present invention is illustrated, but the invention is not limited to the enforcement
Example, those of ordinary skill in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, the deformation or replacement of these equivalents are all contained in the application claim limited range.
Claims (3)
1. a kind of USB quick charges line, it is characterised in that：Including connecting line and the USB-A joints for being arranged on connecting line one end, institute
USB-A joints are stated including 5V input USB-A male seats, 5V output ends USB-A female seat and mobile device intelligent identifying circuit, it is described
The output end of 5V input USB-A male seats is electric with the input and mobile device Intelligent Recognition of 5V output end USB-A female seats respectively
The input connection on road, the 5V output ends USB-A female seat is connected with mobile device intelligent identifying circuit；
The mobile device intelligent identifying circuit includes first resistor（R1）, second resistance（R2）, 3rd resistor（R3）, it is the 4th electric
Resistance（R4）, the 5th resistance（R5）, logic controller, the first electronic switch（S1）, the second electronic switch（S2）, the first operation amplifier
Device（D1）, the second operational amplifier（D2）With the 3rd operational amplifier（D3）, the first resistor（R1）First end and the 3rd
Resistance（R3）First end be connected with power end, the first resistor（R1）The second end pass through second resistance（R2）Connect with ground
Connect, the 3rd resistor（R3）The second end pass through the 4th resistance（R4）It is connected to ground, first operational amplifier（D1）'s
Inverting input selects to be connected to first resistor（R1）The second end and 3rd resistor（R3）The second end, second computing puts
Big device（D2）Inverting input select be connected to first resistor（R1）The second end and 3rd resistor（R3）The second end, it is described
3rd operational amplifier（D3）Inverting input and the second operational amplifier（D2）Inverting input connection, it is described first fortune
Calculate amplifier（D1）Inverting input be connected with DP signal ends, the 3rd operational amplifier（D3）Inverting input and DM
Signal end connects, first operational amplifier（D1）In-phase input end access the first base reference level, it is described second fortune
Calculate amplifier（D2）In-phase input end access the second base reference level, the 3rd operational amplifier（D3）Homophase input
Terminate into the 3rd base reference level, first operational amplifier（D1）Output end and logic controller first input end
Connection, second operational amplifier（D2）Output end be connected with the second input of logic controller, the 3rd computing
Amplifier（D3）Output end be connected with the 3rd input of logic controller, the DP signal ends pass through the first electronic switch
（S1）It is connected with DM signal ends, the DM signal ends pass sequentially through the 5th resistance（R5）With the second electronic switch（S2）Connect with ground
Connect.
2. a kind of USB quick charges line according to claim 1, it is characterised in that：5th resistance（R5）Resistance
For 500 Ω.
3. a kind of USB quick charges line according to claim 1, it is characterised in that：The connecting line and part USB-A connect
Head is coated with layer of PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705821.5A CN104467090B (en) | 2014-11-27 | 2014-11-27 | USB rapid charging line and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705821.5A CN104467090B (en) | 2014-11-27 | 2014-11-27 | USB rapid charging line and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104467090A CN104467090A (en) | 2015-03-25 |
| CN104467090B true CN104467090B (en) | 2017-04-19 |
Family
ID=52912667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410705821.5A Active CN104467090B (en) | 2014-11-27 | 2014-11-27 | USB rapid charging line and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104467090B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055223A (en) * | 2009-11-03 | 2011-05-11 | 马克西姆综合产品公司 | USB special charger recognition circuit |
| CN203014451U (en) * | 2013-01-09 | 2013-06-19 | 赖伟昌 | USB charger |
| CN204290385U (en) * | 2014-11-27 | 2015-04-22 | 深圳市晖耀电线电缆有限公司 | A kind of USB quick charge line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI458219B (en) * | 2009-12-22 | 2014-10-21 | Chi Mei Comm Systems Inc | Charge power supply judging circuit |
-
2014
- 2014-11-27 CN CN201410705821.5A patent/CN104467090B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055223A (en) * | 2009-11-03 | 2011-05-11 | 马克西姆综合产品公司 | USB special charger recognition circuit |
| CN203014451U (en) * | 2013-01-09 | 2013-06-19 | 赖伟昌 | USB charger |
| CN204290385U (en) * | 2014-11-27 | 2015-04-22 | 深圳市晖耀电线电缆有限公司 | A kind of USB quick charge line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104467090A (en) | 2015-03-25 |
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| CP03 | Change of name, title or address |
Address after: 518000 1st-4th floor, No.3, Shiao Village Second Industrial Zone, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Huiyao Electronic Co., Ltd Address before: 518000, Longhua Shenzhen New District, big wave street, big wave community, Shek Ao residential group second, 3 Industrial Zone 2, 3, and Guangdong Patentee before: SHENZHEN SUNLIKE TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 floors 1-4, No. 9, Tongfu estate industrial zone, Dalang community, Dalang street, Longhua District, Shenzhen, Guangdong Province Patentee after: Shenzhen Huiyao Electronic Co.,Ltd. Address before: 518000 1 / F-4 / F, No.3, second industrial zone, Shiao village, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Huiyao Electronic Co.,Ltd. |