CN204515763U - Data line and terminal system - Google Patents
Data line and terminal system Download PDFInfo
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- CN204515763U CN204515763U CN201520147015.0U CN201520147015U CN204515763U CN 204515763 U CN204515763 U CN 204515763U CN 201520147015 U CN201520147015 U CN 201520147015U CN 204515763 U CN204515763 U CN 204515763U
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Abstract
The utility model discloses a kind of data line and terminal system, relate to communication technical field, can realize simultaneously terminal device charged and data between terminal device and external equipment are transmitted.Main technical schemes of the present utility model is: this data line comprises: the first port, is provided with the first power pin and the first data pins in the first port; Second port, is provided with second source pin and the second data pins in the second port; 3rd port, is provided with the 3rd power pin in the 3rd port; First power pin is connected with second source pin, and the 3rd power pin is connected with the first power pin; First data pins is connected with the second data pins.This data line is mainly used in being charged of terminal device and transmits with the data of external equipment.
Description
Technical field
The utility model relates to communication technical field, particularly relates to a kind of data line and terminal system.
Background technology
Along with popularizing of the terminal device such as smart mobile phone and panel computer, the expanded application of this product more and more receives the concern of people, USB (the Universal Serial Bus of such as panel computer, USB (universal serial bus)) interface except the function with charging inlet, also there is the function of carrying out data transmission with external equipments such as USB flash disks.
But, existing terminal device with external equipment carry out data transmit time, can not charge to terminal device, if in transmitting procedure due to terminal device electricity deficiency occur power-off, will the phenomenons such as the data content loss of transmission be caused; If when charging to terminal device, then the data that can not realize terminal device and external equipment are transmitted.
Utility model content
In view of this, the utility model embodiment provides a kind of data line and terminal system, can realize simultaneously terminal device charged and data between terminal device and external equipment are transmitted.
For achieving the above object, the utility model mainly provides following technical scheme:
On the one hand, embodiment of the present utility model provides a kind of data line, comprising:
First port, is provided with the first power pin and the first data pins in described first port;
Second port, is provided with second source pin and the second data pins in described second port;
3rd port, is provided with the 3rd power pin in described 3rd port;
Described first power pin is connected with described second source pin, and described 3rd power pin is connected with described first power pin;
Described first data pins is connected with described second data pins.
Further, identification pin is also provided with in described second port;
Described data line also comprises the state setting module be connected between described 3rd power pin and described identification pin;
Described state setting module is used for when described 3rd power pin has signal to access, and makes described identification pin be in charging and data transmission state, when described 3rd power pin no signal access, makes described identification pin be in vacant state.
Further, above-mentioned data line also comprises: be connected to the switch module between described 3rd power pin and described first power pin, described switch module is used for being communicated with described 3rd power pin and described first power pin when described 3rd power pin has signal to access, and described switch module is also for disconnecting described 3rd power pin and described first power pin when described 3rd power pin no signal accesses.
Particularly, described state setting module comprises:
First resistance, its first end is connected to described identification pin;
First switching tube, its first end is connected to the second end of described first resistance, its second end ground connection;
First electric capacity, its first end ground connection, its second end is connected to the control end of described first switching tube;
Second resistance, its first end ground connection, its second end is connected to the control end of described first switching tube;
3rd resistance, its first end is connected to the control end of described first switching tube, and its second end is connected to described 3rd power pin;
Described switch module comprises:
4th resistance, its first end ground connection, its second end is connected to described 3rd power pin;
5th resistance, its first end is connected to described 3rd power pin;
6th resistance, its first end is connected to described 3rd power pin;
Second switch pipe, its first end is connected to the second end of described 6th resistance, its second end ground connection, and its control end is connected to the second end of described 5th resistance;
3rd switching tube, its first end is connected to described 3rd power pin, and its second end is connected to described first power pin;
7th resistance, its first end is connected to the control end of described 3rd switching tube, and its second end is connected to the first end of described second switch pipe;
Second electric capacity, its first end is connected to the first end of described second switch pipe, and its second end is connected to the second end of described 3rd switching tube.
Particularly, described first port is USB female seat; Described second port is Micro USB male joint; Described 3rd port is USB male joint.
On the other hand, embodiment of the present utility model provides a kind of terminal system, comprises terminal device and data line, and described data line, comprising:
First port, is provided with the first power pin and the first data pins in described first port;
Second port, is provided with second source pin and the second data pins in described second port;
3rd port, is provided with the 3rd power pin in described 3rd port;
Described first power pin is connected with described second source pin, and described 3rd power pin is connected with described first power pin;
Described first data pins is connected with described second data pins;
Described terminal device comprises:
For connecting the 4th port of described second port;
Be connected to the control module of described 4th port, described control module is used for making described terminal device realize being charged and data-transformation facility by described 4th port.
Further, identification pin is also provided with in described second port;
Described data line also comprises the state setting module be connected between described 3rd power pin and described identification pin;
Described state setting module is used for when described 3rd power pin has signal to access, and makes described identification pin be in charging and data transmission state, when described 3rd power pin no signal access, makes described identification pin be in vacant state;
Described control module specifically for, when described identification pin be in charging and data transmission state time, described terminal device is made to realize being charged and data-transformation facility by described 4th port, when described identification pin is in vacant state, described terminal device is made to realize power supply and data-transformation facility by described 4th port.
Further, described data line also comprises the switch module be connected between the 3rd power pin and described first power pin, described switch module is used for being communicated with described 3rd power pin and described first power pin when described 3rd power pin has signal to access, and described switch module is also for disconnecting described 3rd power pin and described first power pin when described 3rd power pin no signal accesses.
Particularly, described state setting module comprises:
First resistance, its first end is connected to described identification pin;
First switching tube, its first end is connected to the second end of described first resistance, its second end ground connection;
First electric capacity, its first end ground connection, its second end is connected to the control end of described first switching tube;
Second resistance, its first end ground connection, its second end is connected to the control end of described first switching tube;
3rd resistance, its first end is connected to the control end of described first switching tube, and its second end is connected to described 3rd power pin;
Described switch module comprises:
4th resistance, its first end ground connection, its second end is connected to described 3rd power pin;
5th resistance, its first end is connected to described 3rd power pin;
6th resistance, its first end is connected to described 3rd power pin;
Second switch pipe, its first end is connected to the second end of described 6th resistance, its second end ground connection, and its control end is connected to the second end of described 5th resistance;
3rd switching tube, its first end is connected to described 3rd power pin, and its second end is connected to described first power pin;
7th resistance, its first end is connected to the control end of described 3rd switching tube, and its second end is connected to the first end of described second switch pipe;
Second electric capacity, its first end is connected to the first end of described second switch pipe, and its second end is connected to the second end of described 3rd switching tube.
Particularly, described first port is USB female seat; Described second port is Micro USB male joint;
Described 3rd port is USB male joint; Described 4th port is USB female seat.
A kind of data line that the utility model embodiment provides and terminal system, wherein data line comprises three ports, be respectively used to connect terminal device, external equipment and power supply, terminal device connects power supply by the power pin in data line, terminal device connects external equipment by the data pins in data line simultaneously, thus can realize the data transmission between terminal device and external equipment while power supply is to terminal device charging.
Accompanying drawing explanation
The block diagram of a kind of data line that Fig. 1 provides for the utility model embodiment;
The circuit diagram of a kind of data line that Fig. 2 provides for the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the utility model embodiment provides a kind of data line, comprising: the first port one, is provided with the first power pin 11 and the first data pins 12 in the first port one; Second source pin two 1 and the second data pins 22 is provided with in second port 2, second port 2; The 3rd power pin 31 is provided with in 3rd port the 3, three port 3; First power pin 11 is connected with second source pin two 1, and the 3rd power pin 31 is connected with the first power pin 11; First data pins 12 is connected with the second data pins 22.
In above-mentioned data line, second port 2 is for connecting terminal device, first port one is for connecting external equipment, 3rd port 3 is for connecting power supply, 3rd power pin 31 of the 3rd port 3 connects the first power pin 11 of the first port one, first power pin 11 of the first port one connects the second source pin two 1 of the second port 2, therefore power supply connects terminal device and external equipment by three power pin of this in data line, thus make power supply can be that terminal device and external equipment are powered by data line, realize by the function of charging to make terminal device, second data pins 22 of the second port 2 is connected with the first data pins 12 of the first port one simultaneously, terminal device connects external equipment by two data pins of this in data line, data transmission can be realized by data line to make terminal device and external equipment.
Data line in the present embodiment, comprise three ports, be respectively used to connect terminal device, external equipment and power supply, terminal device connects power supply by the power pin in data line, terminal device connects external equipment by the data pins in data line simultaneously, thus can realize the data transmission between terminal device and external equipment while power supply is to terminal device charging.
Further, as shown in Figure 2, identification pin two 3 is also provided with in the second port 2; Data line also comprises the state setting module 4 be connected between the 3rd power pin 31 and identification pin two 3; State setting module 4, for when the 3rd power pin 31 has signal to access, makes identification pin two 3 be in charging and data transmission state, when the 3rd power pin 31 no signal access, makes identification pin two 3 be in vacant state.
Above-mentioned identification pin two 3 for making the connected data line state of terminal device identification so that terminal device realizes corresponding function according to data line state.When the 3rd port 3 of above-mentioned data line is connected with power supply, 3rd power pin 31 has signal to access, state setting module 4 makes identification pin two 3 be in charging and data transmission state, second port 2 of data line is connected with terminal device, terminal device recognizes identification pin two 3 and is in charging and data transmission state, makes terminal device realize being charged and data-transformation facility by data line; When the 3rd port 3 of above-mentioned data line is not connected with power supply, 3rd power pin 31 no signal access, state setting module 4 makes identification pin two 3 be in vacant state, second port 2 of data line is connected with terminal device, terminal device recognizes identification pin two 3 and is in vacant state, makes terminal device realize power supply and data-transformation facility by data line.
Further, as shown in Figure 2, above-mentioned data line also comprises: be connected to the switch module 5 between the 3rd power pin 31 and the first power pin 11, switch module 5 is for being communicated with the 3rd power pin 31 and the first power pin 11 when the 3rd power pin 31 has signal to access, and switch module 5 is also for disconnecting the 3rd power pin 31 and the first power pin 11 when the 3rd power pin 31 no signal accesses.The effect of switch module 5 is the interference avoiding the signal of the first port one and the second port 2 to cause identification pin two 3.When the 3rd port 3 does not connect power supply, 3rd power pin 31 no signal access, switch module 5 disconnects the 3rd power pin 31 and the first power pin 11, between 3rd power pin 31 and the first power pin 11, no signal is transmitted, namely the signal of the first power pin 11 and second source pin two 1 can not be transferred to the 3rd power pin 31, ensures the 3rd power pin 31 no signal access.
Particularly, state setting module 4 comprises: the first resistance R1, and its first end is connected to identification pin two 3; First switching tube Q1, its first end is connected to second end of the first resistance R1, its second end ground connection; First electric capacity C1, its first end ground connection, its second end is connected to the control end of the first switching tube Q1; Second resistance R2, its first end ground connection, its second end is connected to the control end of the first switching tube Q1; 3rd resistance R3, its first end is connected to the control end of the first switching tube Q1, and its second end is connected to the 3rd power pin 31; Switch module 5 comprises: the 4th resistance R4, its first end ground connection, and its second end is connected to the 3rd power pin 31; 5th resistance R5, its first end is connected to the 3rd power pin 31; 6th resistance R6, its first end is connected to the 3rd power pin 31; Second switch pipe Q2, its first end is connected to second end of the 6th resistance R6, its second end ground connection, and its control end is connected to second end of the 5th resistance R5; 3rd switching tube Q3, its first end is connected to the 3rd power pin 31, and its second end is connected to the first power pin 11; 7th resistance R7, its first end is connected to the control end of the 3rd switching tube Q3, and its second end is connected to the first end of second switch pipe Q2; Second electric capacity C2, its first end is connected to the first end of second switch pipe Q2, and its second end is connected to second end of the 3rd switching tube Q3.It should be noted that, the first switching tube Q1 and second switch pipe Q2 is high level conducting, and the 3rd switching tube Q3 is low level conducting, and such as, the first switching tube Q1 and second switch pipe Q2 is nmos pass transistor, and the 3rd switching tube Q3 is PMOS transistor.
When the 3rd power pin 31 has signal to access, the control end of the first switching tube Q1 is high level, trigger the first switching tube Q1 conducting, second port is connected to terminal device, identification pin two 3, first resistance R1 is communicated with the branch road at the first switching tube Q1 place, the dividing potential drop effect of the first resistance R1 makes now identification pin two 3 place have specific magnitude of voltage, is in charging and data transmission state with identity identification pin two 3, simultaneously, the control end of second switch pipe Q2 is high level, trigger second switch pipe Q2 conducting, 7th resistance R7 is communicated with the branch road at second switch pipe Q2 place, thus make the control end of the 3rd switching tube Q3 be low level, trigger the 3rd switching tube Q3 conducting, 3rd power pin 31 is communicated with second source pin two 1 with the first power pin 11 by the 3rd switching tube Q3, thus make power supply can be that terminal device and external equipment are powered by above-mentioned data line, realize by the function of charging to make terminal device, terminal device connects external equipment by the data pins in above-mentioned data line simultaneously, data transmission can be realized by above-mentioned data line to make terminal device and external equipment.
When the 3rd power pin 31 no signal access, the first switching tube Q1 ends, and the branch road at identification pin two 3, first resistance R1 and the first switching tube Q1 place disconnects, and now identification pin two 3 is in vacant state; Meanwhile, second switch pipe Q2 and the 3rd switching tube Q3 all ends, and the signal of the first power pin 11 and second source pin two 1 can not be transferred to the 3rd power pin 31, to avoid causing interference to identification pin two 3.Now terminal device can be that external equipment is powered by above-mentioned data line, and makes terminal device and external equipment can realize data transmission by above-mentioned data line.
Particularly, the first port one is USB female seat; Second port 2 is Micro USB male joint; 3rd port 3 is USB male joint, and above-mentioned each power pin is the VBUS pin in USB port, and above-mentioned identification pin two 3 is the ID pin in USB port.
The data line that the utility model embodiment provides, comprise three ports, be respectively used to connect terminal device, external equipment and power supply, when the 3rd port is connected with power supply, 3rd power pin has signal to access, state setting module makes identification pin be in charging and data transmission state, switch module is communicated with the 3rd power pin and the first power pin and second source pin, terminal device connects power supply by the power pin in data line, terminal device connects external equipment by the data pins in above-mentioned data line simultaneously, thus the data transmission that can realize while power supply is to terminal device charging between terminal device and external equipment.
The utility model embodiment also provides a kind of terminal system, and comprise terminal device and data line, data line comprises: the first port one, is provided with the first power pin 11 and the first data pins 12 in the first port one; Second source pin two 1 and the second data pins 22 is provided with in second port 2, second port 2; The 3rd power pin 31 is provided with in 3rd port the 3, three port 3; First power pin 11 is connected with second source pin two 1, and the 3rd power pin 31 is connected with the first power pin 11; First data pins 12 is connected with the second data pins 22; Terminal device comprises: for connecting the 4th port of the second port 2; Be connected to the control module of the 4th port, control module is used for making terminal device realize being charged and data-transformation facility by the 4th port.
Wherein, second port 2 of data line connects the 4th port of terminal device, first port one is for connecting external equipment, 3rd port 3 is for connecting power supply, 3rd power pin 31 of the 3rd port 3 connects the first power pin 11 of the first port one, first power pin 11 of the first port one connects the second source pin two 1 of the second port 2, therefore power supply connects terminal device and external equipment by three power pin of this in data line, the control module of terminal device is used for making terminal device realize being charged and data-transformation facility, therefore power supply can be that terminal device and external equipment are powered by data line, terminal device is realized by the function of charging, second data pins 22 of the second port 2 is connected with the first data pins 12 of the first port one simultaneously, terminal device connects external equipment by two data pins of this in data line, data transmission can be realized by data line to make terminal device and external equipment.
Terminal system in the present embodiment, wherein data line comprises three ports, be respectively used to connect terminal device, external equipment and power supply, terminal device connects power supply by the power pin in data line, terminal device connects external equipment by the data pins in data line simultaneously, terminal device comprises control module, control module can make terminal device realize being charged and data-transformation facility, therefore power supply charges to terminal device by data line, and simultaneously terminal device and external equipment realize data by data line and transmit.
Further, identification pin two 3 is also provided with in the second port 2; Data line also comprises the state setting module 4 be connected between the 3rd power pin 31 and identification pin two 3; State setting module 4, for when the 3rd power pin 31 has signal to access, makes identification pin two 3 be in charging and data transmission state, when the 3rd power pin 31 no signal access, makes identification pin two 3 be in vacant state; Control module specifically for, when identification pin two 3 be in charging and data transmission state time, terminal device is made to realize being charged and data-transformation facility by the 4th port, when identification pin two 3 is in vacant state, terminal device is made to realize power supply and data-transformation facility by the 4th port.
The data line state that above-mentioned identification pipe 23 pin is connected with terminal device for making the control module identification of terminal device, so that terminal device realizes corresponding function according to data line state.When the 3rd port 3 of above-mentioned data line is connected with power supply, 3rd power pin 31 has signal to access, state setting module 4 makes identification pin two 3 be in charging and data transmission state, second port 2 of data line is connected with the 4th port of terminal device, the control module being connected to the 4th port recognizes identification pin two 3 and is in charging and data transmission state, makes terminal device realize being charged and data-transformation facility by data line; When the 3rd port 3 of above-mentioned data line is not connected with power supply, 3rd power pin 31 no signal access, state setting module 4 makes identification pin two 3 be in vacant state, second port 2 of data line is connected with the 4th port of terminal device, the control module being connected to the 4th port recognizes identification pin two 3 and is in vacant state, makes terminal device realize power supply and data-transformation facility by data line.
Further, data line also comprises the switch module 5 be connected between the 3rd power pin 31 and the first power pin 11, switch module 5 is for being communicated with the 3rd power pin 31 and the first power pin 11 when the 3rd power pin 31 has signal to access, and switch module 5 is also for disconnecting the 3rd power pin 31 and the first power pin 11 when the 3rd power pin 31 no signal accesses.The effect of switch module 5 is the interference avoiding the signal of the first port one and the second port 2 to cause identification pin two 3.When the 3rd port 3 does not connect power supply, 3rd power pin 31 no signal access, switch module 5 disconnects the 3rd power pin 31 and the first power pin 11, between 3rd power pin 31 and the first power pin 11, no signal is transmitted, namely the signal of the first power pin 11 and second source pin two 1 can not be transferred to the 3rd power pin 31, ensures the 3rd power pin 31 no signal access.
Particularly, state setting module 4 comprises: the first resistance R1, and its first end is connected to identification pin two 3; First switching tube Q1, its first end is connected to second end of the first resistance R1, its second end ground connection; First electric capacity C1, its first end ground connection, its second end is connected to the control end of the first switching tube Q1; Second resistance R2, its first end ground connection, its second end is connected to the control end of the first switching tube Q1; 3rd resistance R3, its first end is connected to the control end of the first switching tube Q1, and its second end is connected to the 3rd power pin 31; Switch module 5 comprises: the 4th resistance R4, its first end ground connection, and its second end is connected to the 3rd power pin 31; 5th resistance R5, its first end is connected to the 3rd power pin 31; 6th resistance R6, its first end is connected to the 3rd power pin 31; Second switch pipe Q2, its first end is connected to second end of the 6th resistance R6, its second end ground connection, and its control end is connected to second end of the 5th resistance R5; 3rd switching tube Q3, its first end is connected to the 3rd power pin 31, and its second end is connected to the first power pin 11; 7th resistance R7, its first end is connected to the control end of the 3rd switching tube Q3, and its second end is connected to the first end of second switch pipe Q2; Second electric capacity C2, its first end is connected to the first end of second switch pipe Q2, and its second end is connected to second end of the 3rd switching tube Q3.It should be noted that, the first switching tube Q1 and second switch pipe Q2 is high level conducting, and the 3rd switching tube Q3 is low level conducting, and such as, the first switching tube Q1 and second switch pipe Q2 is nmos pass transistor, and the 3rd switching tube Q3 is PMOS transistor.
When the 3rd power pin 31 has signal to access, the control end of the first switching tube Q1 is high level, trigger the first switching tube Q1 conducting, second port 2 is connected to the 4th port of terminal device, control module is connected to the 4th port, identification pin two 3, first resistance R1 is communicated with the branch road at the first switching tube Q1 place, now identification pin two 3 place has specific magnitude of voltage, be in charging and data transmission state with identity identification pin two 3, and then control module makes terminal device realize being charged and data-transformation facility, simultaneously, the control end of second switch pipe Q2 is high level, trigger second switch pipe Q2 conducting, 7th resistance R7 is communicated with the branch road at second switch pipe Q2 place, thus make the control end of the 3rd switching tube Q3 be low level, trigger the 3rd switching tube Q3 conducting, 3rd power pin 31 is communicated with second source pin two 1 with the first power pin 11 by the 3rd switching tube Q3, thus make power supply can be that terminal device and external equipment are powered by above-mentioned data line, realize by the function of charging to make terminal device, terminal device connects external equipment by the data pins in above-mentioned data line simultaneously, data transmission can be realized by above-mentioned data line to make terminal device and external equipment.
When the 3rd power pin 31 no signal access, first switching tube Q1 ends, the branch road at identification pin two 3, first resistance R1 and the first switching tube Q1 place disconnects, and now identification pin two 3 is in vacant state, and then control module makes realization power supply and data-transformation facility; Meanwhile, second switch pipe Q2 and the 3rd switching tube Q3 all ends, and the signal of the first power pin 11 and second source pin two 1 can not be transferred to the 3rd power pin 31, to avoid causing interference to identification pin two 3.Now terminal device can be that external equipment is powered by above-mentioned data line, and makes terminal device and external equipment can realize data transmission by above-mentioned data line.
Particularly, the first port one is USB female seat; Second port 2 is Micro USB male joint; 3rd port 3 is USB male joint; 4th port is USB female seat.Wherein the second port 2 is connected with the 4th port, and above-mentioned each power pin is the VBUS pin in each USB port, and above-mentioned identification pin two 3 is the ID pin in USB port.
The terminal system that the utility model embodiment provides, wherein data line comprises three ports, be respectively used to connect terminal device, external equipment and power supply, when the 3rd port of data line is connected with power supply, 3rd power pin has signal to access, state setting module makes identification pin be in charging and data transmission state, control module makes terminal device realize being charged and data-transformation facility, switch module is communicated with the 3rd power pin and the first power pin and second source pin, terminal device connects power supply by the power pin in data line, terminal device connects external equipment by the data pins in above-mentioned data line simultaneously, thus the data transmission that can realize while power supply is to terminal device charging between terminal device and external equipment.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a data line, is characterized in that, comprising:
First port, is provided with the first power pin and the first data pins in described first port;
Second port, is provided with second source pin and the second data pins in described second port;
3rd port, is provided with the 3rd power pin in described 3rd port;
Described first power pin is connected with described second source pin, and described 3rd power pin is connected with described first power pin;
Described first data pins is connected with described second data pins.
2. data line according to claim 1, is characterized in that,
Identification pin is also provided with in described second port;
Described data line also comprises the state setting module be connected between described 3rd power pin and described identification pin;
Described state setting module is used for when described 3rd power pin has signal to access, and makes described identification pin be in charging and data transmission state, when described 3rd power pin no signal access, makes described identification pin be in vacant state.
3. data line according to claim 2, is characterized in that, also comprises:
Be connected to the switch module between described 3rd power pin and described first power pin, described switch module is used for being communicated with described 3rd power pin and described first power pin when described 3rd power pin has signal to access, and described switch module is also for disconnecting described 3rd power pin and described first power pin when described 3rd power pin no signal accesses.
4. data line according to claim 3, is characterized in that,
Described state setting module comprises:
First resistance, its first end is connected to described identification pin;
First switching tube, its first end is connected to the second end of described first resistance, its second end ground connection;
First electric capacity, its first end ground connection, its second end is connected to the control end of described first switching tube;
Second resistance, its first end ground connection, its second end is connected to the control end of described first switching tube;
3rd resistance, its first end is connected to the control end of described first switching tube, and its second end is connected to described 3rd power pin;
Described switch module comprises:
4th resistance, its first end ground connection, its second end is connected to described 3rd power pin;
5th resistance, its first end is connected to described 3rd power pin;
6th resistance, its first end is connected to described 3rd power pin;
Second switch pipe, its first end is connected to the second end of described 6th resistance, its second end ground connection, and its control end is connected to the second end of described 5th resistance;
3rd switching tube, its first end is connected to described 3rd power pin, and its second end is connected to described first power pin;
7th resistance, its first end is connected to the control end of described 3rd switching tube, and its second end is connected to the first end of described second switch pipe;
Second electric capacity, its first end is connected to the first end of described second switch pipe, and its second end is connected to the second end of described 3rd switching tube.
5. data line as claimed in any of claims 1 to 4, is characterized in that,
Described first port is USB female seat;
Described second port is Micro USB male joint;
Described 3rd port is USB male joint.
6. a terminal system, comprises terminal device and data line, it is characterized in that,
Described data line, comprising:
First port, is provided with the first power pin and the first data pins in described first port;
Second port, is provided with second source pin and the second data pins in described second port;
3rd port, is provided with the 3rd power pin in described 3rd port;
Described first power pin is connected with described second source pin, and described 3rd power pin is connected with described first power pin;
Described first data pins is connected with described second data pins;
Described terminal device comprises:
For connecting the 4th port of described second port;
Be connected to the control module of described 4th port, described control module is used for making described terminal device realize being charged and data-transformation facility by described 4th port.
7. terminal system according to claim 6, is characterized in that,
Identification pin is also provided with in described second port;
Described data line also comprises the state setting module be connected between described 3rd power pin and described identification pin;
Described state setting module is used for when described 3rd power pin has signal to access, and makes described identification pin be in charging and data transmission state, when described 3rd power pin no signal access, makes described identification pin be in vacant state;
Described control module specifically for, when described identification pin be in charging and data transmission state time, described terminal device is made to realize being charged and data-transformation facility by described 4th port, when described identification pin is in vacant state, described terminal device is made to realize power supply and data-transformation facility by described 4th port.
8. terminal system according to claim 7, is characterized in that,
Described data line also comprises the switch module be connected between the 3rd power pin and described first power pin, described switch module is used for being communicated with described 3rd power pin and described first power pin when described 3rd power pin has signal to access, and described switch module is also for disconnecting described 3rd power pin and described first power pin when described 3rd power pin no signal accesses.
9. terminal system according to claim 8, is characterized in that,
Described state setting module comprises:
First resistance, its first end is connected to described identification pin;
First switching tube, its first end is connected to the second end of described first resistance, its second end ground connection;
First electric capacity, its first end ground connection, its second end is connected to the control end of described first switching tube;
Second resistance, its first end ground connection, its second end is connected to the control end of described first switching tube;
3rd resistance, its first end is connected to the control end of described first switching tube, and its second end is connected to described 3rd power pin;
Described switch module comprises:
4th resistance, its first end ground connection, its second end is connected to described 3rd power pin;
5th resistance, its first end is connected to described 3rd power pin;
6th resistance, its first end is connected to described 3rd power pin;
Second switch pipe, its first end is connected to the second end of described 6th resistance, its second end ground connection, and its control end is connected to the second end of described 5th resistance;
3rd switching tube, its first end is connected to described 3rd power pin, and its second end is connected to described first power pin;
7th resistance, its first end is connected to the control end of described 3rd switching tube, and its second end is connected to the first end of described second switch pipe;
Second electric capacity, its first end is connected to the first end of described second switch pipe, and its second end is connected to the second end of described 3rd switching tube.
10., according to the terminal system in claim 6 to 9 described in any one, it is characterized in that,
Described first port is USB female seat;
Described second port is Micro USB male joint;
Described 3rd port is USB male joint;
Described 4th port is USB female seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147015.0U CN204515763U (en) | 2015-03-16 | 2015-03-16 | Data line and terminal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147015.0U CN204515763U (en) | 2015-03-16 | 2015-03-16 | Data line and terminal system |
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| Publication Number | Publication Date |
|---|---|
| CN204515763U true CN204515763U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520147015.0U Expired - Fee Related CN204515763U (en) | 2015-03-16 | 2015-03-16 | Data line and terminal system |
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| CN (1) | CN204515763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632949A (en) * | 2017-09-30 | 2018-01-26 | 广东欧珀移动通信有限公司 | Data wire identification circuit, method and terminal |
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2015
- 2015-03-16 CN CN201520147015.0U patent/CN204515763U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632949A (en) * | 2017-09-30 | 2018-01-26 | 广东欧珀移动通信有限公司 | Data wire identification circuit, method and terminal |
| CN107632949B (en) * | 2017-09-30 | 2019-10-25 | Oppo广东移动通信有限公司 | Data line identification circuit, method and terminal |
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