CN109510045A - A kind of USB data line of auxiliary power supply - Google Patents
A kind of USB data line of auxiliary power supply Download PDFInfo
- Publication number
- CN109510045A CN109510045A CN201811480730.0A CN201811480730A CN109510045A CN 109510045 A CN109510045 A CN 109510045A CN 201811480730 A CN201811480730 A CN 201811480730A CN 109510045 A CN109510045 A CN 109510045A
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- China
- Prior art keywords
- voltage
- terminal
- data line
- control panel
- power supply
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- 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.)
- Pending
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- 210000004899 c-terminal region Anatomy 0.000 claims abstract description 42
- 230000005611 electricity Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 5
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Sources (AREA)
Abstract
The invention belongs to digital communication technology field, in particular to a kind of data line.A kind of USB data line of auxiliary power supply, it includes: three end A, the end B, C-terminal ends, and the end A is built-in with control panel, and three end A, the end B, C-terminal ends are electrically connected by control panel；The control logic that control panel executes are as follows: while the end A and C-terminal carry out bidirectional data communication, when the end A voltage is higher than the end B voltage, the end A only provides electric energy to C-terminal；When the end A voltage is not higher than the end B voltage, the end B powers simultaneously to the end A and C-terminal.Whether the voltage that the present invention can know auxiliary power supply automatically is qualified, and control supply current flow direction prevents driving end supply current from flowing backward and gives auxiliary charging equipment；The present invention improves the driving capability at driving end simultaneously, extends equipment using the time, each port is more safe and reliable；Built in control panel, compact volume and convenience.
Description
Technical field
The invention belongs to digital communication technology field, in particular to a kind of data line.
Background technique
Between current many equipment electric energy, USB data line one are communicated and transmitted using USB interface and USB data line
As be Double-end, including the end Host (driving) is held with Device (equipment), but is constrained to the total of the end Host connected device
Energy, such as cell-phone battery electric-charge quantity are usually 2000-4000mAh, cannot export electric energy for a long time for Device end equipment.Solution party
Case first is that using bull USB data line, each end therein generallys use direct parallel way, on DC (direct current) access
Voltage passes to each branch end simultaneously, when connecting multiple ends simultaneously using auxiliary power supply (such as charger baby) in use,
Since the voltage of each end differs, power flow is uncontrolled, and auxiliary power supply easily becomes load, consumption driving end electricity instead
Can, it reduces using the working time.And not used end is exposed to outside, be easy to cause the uneasinesses such as short circuit, ESD (Electro-static Driven Comb)
Full accident.
Summary of the invention
Whether the object of the present invention is to provide one kind, can to know auxiliary power supply voltage automatically qualified, to control electricity
Stream flow direction, the USB data line for preventing electric current from flowing backward.
The technical scheme is that a kind of USB data line of auxiliary power supply, it includes: the end A, the end B, C-terminal three ends
Head, wherein the end A is built-in with control panel, and three end A, the end B, C-terminal ends are electrically connected by control panel；
The control logic that control panel executes are as follows: while the end A and C-terminal carry out bidirectional data communication, voltage is higher than when the end A
When the voltage of the end B, the end A only provides electric energy to C-terminal；When the end A voltage is not higher than the end B voltage, the end B powers simultaneously to the end A and C-terminal.
In above scheme, specifically, control panel include: by be serially connected between the end A DC link and ground wire GND first
The A terminal voltage detecting circuit of divider resistance R1 and the second divider resistance R2 composition；By being serially connected in the end B DC link and ground wire
The B terminal voltage detecting circuit of third divider resistance R3 and the 4th divider resistance R4 composition between GND；To A terminal voltage detecting electricity
The control circuit that the voltage signal that road and B terminal voltage detecting circuit are exported is compared；Control the end A and C-terminal DC link
First power switch Q1 of on/off；Control the second power switch Q2 at the end B and C-terminal DC link on/off；
When the end A voltage is higher than the end B voltage, control circuit controls the first power switch forward conduction, and controls the second function
Rate switch OFF makes the end A only provide electric energy to C-terminal；
When the end A voltage is not higher than the end B voltage, control circuit controls the first power switch reverse-conducting, and controls second
Power switch conducting, makes the end B to the end A and C-terminal while powering.
Further, the end B can be the end USB of multiple parallel connections.
Further, the data line between the end A and C-terminal uses impedance control, to reduce control panel to data-signal
The influence of transmission.
Further, it is equipped with Electro-static Driven Comb ESD protection with each end junction on control panel, to prevent not-go-end head electrostatic damage
It is bad.
Further, TYPE-A connector, TYPE-B connector, TYPE-C connector is respectively adopted in three end A, the end B, C-terminal ends
Or other meet any a connector as defined in usb protocol.
The utility model has the advantages that whether the voltage that the present invention can know auxiliary power supply automatically is qualified, control supply current flow direction,
It prevents driving end supply current from flowing backward and gives auxiliary charging equipment；The present invention improves the driving capability at driving end simultaneously, extends
Equipment uses the time, and each port is more safe and reliable；Built in control panel, compact volume and convenience.
Detailed description of the invention
Fig. 1 is surface structure schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of control panel in the present invention；
Fig. 3 is the circuit diagram of control panel in the present invention；
Fig. 4 is the structural schematic diagram of end TYPE-A, TYPE-B, TYPE-C；
Wherein: the end 11-A, the end 12-B, the end 13-C, 111- control panel, 21-TYPE-A connector, 22-TYPE-B connector, 23-
TYPE-C connector.
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
Embodiment 1: referring to attached drawing 1,2, a kind of USB data line of auxiliary power supply, it includes: the end A 11, the end B 12, C-terminal 13
Three ends, wherein the end A 11 is built-in with control panel 111, and 13 3 end A 11, the end B 12, C-terminal ends pass through 111 electricity of control panel
Connection；
The control logic that control panel 111 executes are as follows: while the end A 11 and C-terminal 13 carry out bidirectional data communication, when the end A
When 11 voltages are higher than 12 voltage of the end B, the end A 11 only provides electric energy to C-terminal 13；When 11 voltage of the end A is not higher than 12 voltage of the end B, the end B
12 power simultaneously to the end A 11 and C-terminal 13.
Further, in above scheme:
The end B 12 can be the end USB of multiple parallel connections.
Data line between the end A 11 and C-terminal 13 uses impedance control, is passed with reducing control panel 111 to data-signal
Defeated influence.
Further, it is equipped with Electro-static Driven Comb ESD protection with each end junction on control panel 111, to prevent not-go-end head electrostatic
Damage.
Further, referring to attached drawing 4, TYPE-A21, TYPE- is respectively adopted in 13 3 end A 11, the end B 12, C-terminal ends
B22, TYPE-C23 or other meet any a as defined in usb protocol.
Embodiment 2: referring to attached drawing 3, on the basis of embodiment 1, control panel 111 is specifically limited:
Control panel 111 include: the first divider resistance R1 by being serially connected between 11 DC link of the end A and ground wire GND and
The A terminal voltage detecting circuit of second divider resistance R2 composition；By be serially connected between 12 DC link of the end B and ground wire GND
The B terminal voltage detecting circuit of three divider resistance R3 and the 4th divider resistance R4 composition；To A terminal voltage detecting circuit and the end B voltage
The control circuit that the voltage signal that detection circuit is exported is compared；Control the end A 11 and 13 DC link on/off of C-terminal
First power switch Q1；Control the second power switch Q2 at the end B 12 and 13 DC link on/off of C-terminal；
When 11 voltage of the end A is higher than 12 voltage of the end B, control circuit controls the first power switch Q1 forward conduction, and controls
Second power switch Q2 shutdown, makes the end A 11 only provide electric energy to C-terminal 13；
When 11 voltage of the end A is not higher than 12 voltage of the end B, control circuit controls the first power switch Q1 reverse-conducting, and controls
The second power switch Q2 conducting is made, makes the end B 12 to the end A 11 and C-terminal 13 while powering.
Embodiment 3: a kind of USB data line of auxiliary power supply as described in Example 2, it is for connecting mobile phone, Brilliant Eyes
Mirror and charger baby；
When the end A 11 of the USB data line is connected to mobile phone using Type-C interface 23, C-terminal 13 uses Type-C interface 23
Intelligent glasses are connected to, when the end B 12 is not used；The collected sound of intelligent glasses and image are needed using handset processes and are deposited
Storage, the image that wearer wants to see are transmitted to intelligent glasses after being also required to handset processes again；Control circuit inspection in control panel 111
The end A voltage is measured greater than the end B voltage, control circuit controls the first power switch Q1 forward conduction, and controls the second power switch
Q2 shutdown, makes the end A 11 only provide electric energy to C-terminal 13, and which prevent bring safety problems when 12 short circuit of the end B.When the end B 12 connects
When contacting electrostatic object, it also can effectively guarantee safety and normal use.
When the end A 11 of the USB data line is connected to mobile phone using Type-C interface 23, C-terminal 13 uses Type-C interface 23
Intelligent glasses are connected to, when the end B 12 is connected to charger baby using Type-B interface 22, if mobile phone output voltage is 5V, charging
Precious output voltage 4.8V, the control circuit in control panel 111 detect that the end A voltage is greater than the end B voltage, control circuit control first
Power switch Q1 forward conduction, and the second power switch Q2 shutdown is controlled, so that the end A 11 is only provided electric energy to C-terminal 13, it is therefore prevented that fill
Electric precious access mobile phone becomes load, consumes mobile phone electricity.
When the end A 11 of the USB data line is connected to mobile phone using Type-C interface 23, C-terminal 13 uses Type-C interface 23
Intelligent glasses are connected to, when the end B 12 is connected to charger baby using Type-B interface 22, if mobile phone output voltage is 5V, charging
Precious output voltage 5.2V, the control circuit in control panel 111 detect that the end A voltage is less than the end B voltage, control circuit control first
Power switch Q1 reverse-conducting, and the second power switch Q2 conducting is controlled, make charger baby while being intelligent glasses, battery of mobile phone confession
Electricity.
The above control logic ensure that the safety in smart machine use process, automatic identification external complex power supply unit
Whether qualified, extend smart machine uses the time.
To sum up, the above is merely preferred embodiments of the present invention, it is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (6)
1. a kind of USB data line of auxiliary power supply, it includes: (13) three end A (11), the end B (12), C-terminal ends, and feature exists
In: the end A (11) is built-in with control panel (111), and (13) three end A (11), the end B (12), C-terminal ends are equal
It is electrically connected by the control panel (111)；
The control logic that the control panel (111) executes are as follows: it is logical to carry out bi-directional data in the end A (11) and the C-terminal (13)
While letter, when the end A (11) voltage is higher than the end B (12) voltage, the end A (11) is only mentioned to the C-terminal (13)
For electric energy；When the end A (11) voltage is not higher than the end B (12) voltage, the end the end B (12) Xiang Suoshu A (11) and institute
It states C-terminal (13) while powering.
2. a kind of USB data line of auxiliary power supply according to claim 1, it is characterised in that: control panel (111) packet
It includes: by the first divider resistance R1 and the second divider resistance R2 being serially connected between the end A (11) DC link and ground wire GND
The A terminal voltage detecting circuit of composition；By the third partial pressure electricity being serially connected between the end B (12) DC link and ground wire GND
Hinder the B terminal voltage detecting circuit of R3 and the 4th divider resistance R4 composition；To the A terminal voltage detecting circuit and the end B voltage
The control circuit that the voltage signal that detection circuit is exported is compared；It controls the end A (11) and the C-terminal (13) direct current passes
First power switch Q1 of defeated line on/off；Control the second function of the end B (12) Yu the C-terminal (13) DC link on/off
Rate switch Q2；
When the end A (11) voltage is higher than the end B (12) voltage, the control circuit controls first power switch
(Q1) forward conduction, and the second power switch (Q2) shutdown is controlled, the end A (11) is provided only to the C-terminal (13)
Electric energy；
When the end A (11) voltage is not higher than the end B (12) voltage, the control circuit controls first power switch
(Q1) reverse-conducting, and the second power switch (Q2) conducting is controlled, make the end the end B (12) Xiang Suoshu A (11) and the C
End (13) powers simultaneously.
3. a kind of USB data line of auxiliary power supply according to claim 1 or 2, it is characterised in that: the end B (12) is
The end USB of multiple parallel connections.
4. a kind of USB data line of auxiliary power supply according to claim 1 or 2, it is characterised in that: the end A (11) and
Data line between the C-terminal (13) uses impedance control.
5. a kind of USB data line of auxiliary power supply according to claim 1 or 2, it is characterised in that: the control panel
(111) it is protected with each end junction equipped with Electro-static Driven Comb on.
6. a kind of USB data line of auxiliary power supply according to claim 1 or 2, it is characterised in that: the end A (11), B
TYPE-A connector (21), TYPE-B connector (22), TYPE-C connector (23) is respectively adopted in (13) three end (12), C-terminal ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480730.0A CN109510045A (en) | 2018-12-05 | 2018-12-05 | A kind of USB data line of auxiliary power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480730.0A CN109510045A (en) | 2018-12-05 | 2018-12-05 | A kind of USB data line of auxiliary power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109510045A true CN109510045A (en) | 2019-03-22 |
Family
ID=65752001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811480730.0A Pending CN109510045A (en) | 2018-12-05 | 2018-12-05 | A kind of USB data line of auxiliary power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109510045A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11662790B2 (en) | 2020-08-12 | 2023-05-30 | Asustek Computer Inc. | Transmission device with external power |
| US11742626B2 (en) * | 2021-11-12 | 2023-08-29 | Everpro Technologies Company Ltd | Active cable avoiding influence of RX power consumption |
| WO2023177087A1 (en) * | 2022-03-15 | 2023-09-21 | 삼성전자주식회사 | Cable assembly |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201243215Y (en) * | 2008-05-12 | 2009-05-20 | 比亚迪股份有限公司 | Bidirectional power supply source circuit for iron battery mobile phone |
| CN201993719U (en) * | 2011-01-30 | 2011-09-28 | 天宝电子（惠州）有限公司 | Energy storage charging mouse |
| CN202957436U (en) * | 2012-12-11 | 2013-05-29 | 詹昌漫 | Multifunctional mobile terminal data line |
| CN203520878U (en) * | 2013-09-27 | 2014-04-02 | 深圳市江波龙电子有限公司 | Multifunctional U disk |
| CN204030194U (en) * | 2014-07-16 | 2014-12-17 | 朱升 | A kind of Multifunctional data line |
| CN204289975U (en) * | 2014-04-30 | 2015-04-22 | 爱国者电子科技有限公司 | A kind of USB cable |
| CN105790356A (en) * | 2016-04-06 | 2016-07-20 | 北京天诚盛业科技有限公司 | Data line having charging circuit |
| CN205389047U (en) * | 2015-12-22 | 2016-07-20 | 东莞市太业电子股份有限公司 | Y shape intelligence data line |
| WO2017012180A1 (en) * | 2015-07-23 | 2017-01-26 | 深圳市华宝新能源股份有限公司 | Charging data cable and charger |
| CN106451693A (en) * | 2016-12-21 | 2017-02-22 | 杨继宝 | Mobile power pack and OTG (on-the-go) data cable |
| CN106502939A (en) * | 2016-09-23 | 2017-03-15 | 北京小米移动软件有限公司 | A kind of USB adapters and data transmission set |
| CN206272290U (en) * | 2016-12-16 | 2017-06-20 | 深圳市方格子电子有限公司 | Intelligent protection data wire |
| CN206302029U (en) * | 2016-12-26 | 2017-07-04 | 肖玉荣 | Polylinker data wire |
| CN207009817U (en) * | 2017-06-08 | 2018-02-13 | 东莞市江涵电子有限公司 | A kind of USB functional forms data wire |
| CN108363476A (en) * | 2018-02-01 | 2018-08-03 | 上海康斐信息技术有限公司 | The USB device protection circuit and circuit system and electronic equipment that system electrification starts |
-
2018
- 2018-12-05 CN CN201811480730.0A patent/CN109510045A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201243215Y (en) * | 2008-05-12 | 2009-05-20 | 比亚迪股份有限公司 | Bidirectional power supply source circuit for iron battery mobile phone |
| CN201993719U (en) * | 2011-01-30 | 2011-09-28 | 天宝电子（惠州）有限公司 | Energy storage charging mouse |
| CN202957436U (en) * | 2012-12-11 | 2013-05-29 | 詹昌漫 | Multifunctional mobile terminal data line |
| CN203520878U (en) * | 2013-09-27 | 2014-04-02 | 深圳市江波龙电子有限公司 | Multifunctional U disk |
| CN204289975U (en) * | 2014-04-30 | 2015-04-22 | 爱国者电子科技有限公司 | A kind of USB cable |
| CN204030194U (en) * | 2014-07-16 | 2014-12-17 | 朱升 | A kind of Multifunctional data line |
| WO2017012180A1 (en) * | 2015-07-23 | 2017-01-26 | 深圳市华宝新能源股份有限公司 | Charging data cable and charger |
| CN205389047U (en) * | 2015-12-22 | 2016-07-20 | 东莞市太业电子股份有限公司 | Y shape intelligence data line |
| CN105790356A (en) * | 2016-04-06 | 2016-07-20 | 北京天诚盛业科技有限公司 | Data line having charging circuit |
| CN106502939A (en) * | 2016-09-23 | 2017-03-15 | 北京小米移动软件有限公司 | A kind of USB adapters and data transmission set |
| CN206272290U (en) * | 2016-12-16 | 2017-06-20 | 深圳市方格子电子有限公司 | Intelligent protection data wire |
| CN106451693A (en) * | 2016-12-21 | 2017-02-22 | 杨继宝 | Mobile power pack and OTG (on-the-go) data cable |
| CN206302029U (en) * | 2016-12-26 | 2017-07-04 | 肖玉荣 | Polylinker data wire |
| CN207009817U (en) * | 2017-06-08 | 2018-02-13 | 东莞市江涵电子有限公司 | A kind of USB functional forms data wire |
| CN108363476A (en) * | 2018-02-01 | 2018-08-03 | 上海康斐信息技术有限公司 | The USB device protection circuit and circuit system and electronic equipment that system electrification starts |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11662790B2 (en) | 2020-08-12 | 2023-05-30 | Asustek Computer Inc. | Transmission device with external power |
| US11742626B2 (en) * | 2021-11-12 | 2023-08-29 | Everpro Technologies Company Ltd | Active cable avoiding influence of RX power consumption |
| WO2023177087A1 (en) * | 2022-03-15 | 2023-09-21 | 삼성전자주식회사 | Cable assembly |
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