CN215343295U - Multifunctional USB data line - Google Patents
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- CN215343295U CN215343295U CN202121434988.4U CN202121434988U CN215343295U CN 215343295 U CN215343295 U CN 215343295U CN 202121434988 U CN202121434988 U CN 202121434988U CN 215343295 U CN215343295 U CN 215343295U
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Abstract
A multifunctional USB data line comprises a line body, a first USB joint, a second USB joint and a storage module. The first USB joint and the second USB joint are connected through a line body, the storage module is connected with the line body, and when the multifunctional USB data line is connected with the data transmission main equipment, the storage module is used as an external storage of the data transmission main equipment. In the first USB connector and the second USB connector, when one is connected to the data transmission master and the other is connected to the data transmission slave, the multifunctional USB data line is used as a data communication line for the data transmission master, the data transmission slave, and the memory module. When one is connected with the data transmission main equipment and the other is connected with an external power supply, the multifunctional USB data line is used as a power line of the external power supply for transmitting the data to the data transmission main equipment and the storage module. Because the storage module is added on the multifunctional USB data line, the multifunctional USB data line can also be used as an external storage of data transmission main equipment, and the requirements of different users are further met.
Description
Technical Field
The invention relates to the technical field of computer peripherals, in particular to a multifunctional USB data line.
Background
USB is a data communication mode and also a data bus, and is widely used in electronic products such as mobile phones and PDAs. The USB interface is connected with a data transmission master device (USB HOST) and a data transmission SLAVE device (USB SLAVE) through USB data lines respectively in hardware, and the data connection can be realized only when the data transmission master device and the data transmission SLAVE device are connected. With the popularization of electronic products such as mobile phones and PDAs, USB data lines have become the standard accessories of various electronic products, and are used as power lines and data lines of various electronic products, while the single function of USB data lines has not been able to meet the daily needs of people.
Disclosure of Invention
The invention provides a multifunctional USB data line, which aims to solve the technical problem that the USB data line only has the functions of a power line and a data line and cannot meet more requirements of users.
In a first aspect, a multifunctional USB data line includes a line body, a first USB connector and a second USB connector disposed at two ends of the line body, and a storage module connected to the line body;
when the first USB joint is used for connecting the data transmission main equipment, the storage module is used as an external storage of the data transmission main equipment;
in the first USB joint and the second USB joint, when one of the first USB joint and the second USB joint is used for connecting the data transmission master equipment and the other one of the first USB joint and the second USB joint is used for connecting a data transmission slave equipment, the multifunctional USB data line is used for data communication lines of the data transmission master equipment, the data transmission slave equipment and the storage module;
in the first USB connector and the second USB connector, when one of the first USB connector and the second USB connector is used for connecting the data transmission master device and the other USB connector is used for connecting an external power supply, the multifunctional USB data line is used as a power line for the data transmission master device and the storage module.
In one embodiment, the first USB connector is a USB-C male connector, and the second USB connector is a USB-C female connector;
or the first USB connector is a USB-C female connector, and the second USB connector is a USB-C male connector;
or both the first USB connector and the second USB connector are male connectors;
or, the first USB joint and the second USB joint are both female joints.
In one embodiment, the first USB connector and the second USB connector each include a first set of terminals; the first set of terminals includes a power terminal VBUS1, a power terminal VBUS2, a signal terminal CC1, a data terminal D1+, a data terminal D1-, a data terminal TX1+, a data terminal TX1-, a data terminal RX1+, and a data terminal RX 1-.
In one embodiment, the wire body comprises a power supply VBUS connection line, a signal CC1 connection line, a data D1+ connection line, a data D1-connection line, a data TX1+ connection line, a data TX 1-connection line, a data RX1+ connection line and a data RX 1-connection line;
the power supply VBUS connecting wire is electrically connected with the power supply terminal VBUS1 and/or the power supply terminal VBUS2 of the first group of terminals of the first USB connector and the second USB connector respectively;
the signal CC1 connecting wires are respectively and electrically connected with the signal ends CC1 of the first group of terminals of the first USB connector and the second USB connector;
the data D1+ connecting line is electrically connected with the data ends D1+ of the first group of terminals of the first USB connector and the second USB connector respectively;
the data D1-connecting line is electrically connected with the data ends D1-of the first group of terminals of the first USB connector and the second USB connector respectively;
the data TX1+ connecting wire is electrically connected with the data ends TX1+ of the first group of terminals of the first USB connector and the second USB connector respectively;
the data TX 1-connecting wire is electrically connected with the data terminal TX 1-of the first group of terminals of the first USB connector and the second USB connector respectively;
the data RX1+ connecting line is electrically connected with the data terminal RX1+ of the first group of terminals of the first USB connector and the second USB connector respectively;
the data RX 1-connecting line is electrically connected with the data terminal RX 1-of the first group of terminals of the first USB connector and the second USB connector respectively.
In one embodiment, the memory module includes a DC/DC conversion circuit, a switch control unit, and a memory unit.
In one embodiment, the DC/DC conversion circuit is electrically connected to the power supply VBUS connection line, the switch control unit, and the storage unit, respectively; the DC/DC conversion circuit is used for obtaining power supply from the power supply VBUS connecting line so as to provide power supply for the storage unit;
the memory cells are electrically connected with the data D1+ connection line, the data D1-connection line, the data TX1+ connection line, the data TX 1-connection line, the data RX1+ connection line and the data RX 1-connection line respectively; the storage unit is used for carrying out data communication with the data transmission main equipment through the data D1+ connecting line, the data D1-connecting line, the data TX1+ connecting line, the data TX 1-connecting line, the data RX1+ connecting line and the data RX 1-connecting line;
the switch control unit is respectively connected with the signal CC1 connecting line and the storage unit.
In one embodiment, in the first USB connector and the second USB connector, when one of the first USB connector and the second USB connector is connected to the data transfer master device and the other is not connected to the data transfer slave device, the switch control unit connects the signal CC1 connection line and the storage unit to turn on or off a storage function of the storage unit.
In one embodiment, in the first USB connector and the second USB connector, when one of the first USB connector and the second USB connector is connected to the data transmission master device and the other is connected to the data transmission slave device, the switch control unit electrically connects the signal CC1 connection line and the storage unit to turn on or off the storage function of the storage unit, and the multifunctional USB data line is further used as a data communication line for the data transmission master device, the data transmission slave device and the storage unit.
In one embodiment, in the first USB connector and the second USB connector, when one of the first USB connector and the second USB connector is connected to the data transmission host device and the other USB connector is connected to the external power source, the multifunctional USB data line is used as a power line for supplying power to the data transmission host device from the external power source, the switch control unit disconnects the signal CC1 connection line from the storage unit, the DC/DC conversion circuit obtains power from the power VBUS connection line to supply power to the storage unit, and the storage unit starts a storage function.
In one embodiment, the storage unit includes one or more of a flash memory, a floppy disk, a hard disk, an optical disk, or a memory card.
The multifunctional USB data line according to the embodiment comprises a line body, a first USB joint, a second USB joint and a storage module. The multifunctional USB data line is additionally provided with the storage module, so that the multifunctional USB data line can be used as an external storage of the data transmission main equipment besides being used as a data communication line of the data transmission main equipment and the data transmission slave equipment, and the requirements of different users are further met.
Drawings
FIG. 1 is a schematic diagram of a multi-functional USB data cable;
FIG. 2 is a schematic diagram of the connection of a USB-C connector in one implementation;
FIG. 3 is a schematic diagram of a multi-function USB data line.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
In order to expand the functions of the PD data cable and reduce unnecessary waste, the embodiment of the application discloses a multifunctional USB data cable, which includes a cable body, a first USB connector, a second USB connector and a storage module. The multifunctional USB data line is additionally provided with the storage module, so that the multifunctional USB data line can be used as an external storage of the data transmission master device besides being used as a data communication line of the data transmission master device and the data transmission slave device, and further more functions of the USB data line are expanded.
Example one
Referring to fig. 1, which is a schematic structural diagram of a multifunctional USB data cable in an implementation, the multifunctional USB data cable 1 includes a cable body 10, a first USB connector 20 and a second USB connector 30 disposed at two ends of the cable body 10, and a storage module 40 connected to the cable body 10. When the first USB connector 20 is used to connect to the data transmission host device 2, the storage module 40 is used as an external storage of the data transmission host device 2. In the first USB connector 20 and the second USB connector 30, when one is used to connect the data transfer master 2 and the other is used to connect the data transfer slave 3, the multifunctional USB data line 1 is used for data communication lines of the data transfer master 2, the data transfer slave 3, and the memory module 40. In the first USB connector 20 and the second USB connector 30, when one is used to connect the data transmission host device 2 and the other is used to connect the external power supply 4, the multifunctional USB data line 1 is used as a power line for the data transmission host device 2 and the storage module 40.
In one embodiment, the first USB connector 20 is a USB-C male connector, and the second USB connector 30 is a USB-C female connector. In one embodiment, the first USB connector 20 is a USB-C female connector, and the second USB connector 30 is a USB-C male connector. In one embodiment, the first USB connector 20 and the second USB connector 30 are both male connectors. In one embodiment, the first USB connector 20 and the second USB connector 30 are both female connectors.
Referring to fig. 2, a connection diagram of an embodiment of a USB-C connector is shown, wherein the USB-C connector 50 includes a first set of terminals 51 and a second set of terminals 52. In one embodiment, the first USB connector 20 and the second USB connector 30 each include a first set of terminals 51 and a second set of terminals 52, respectively. The first set of terminals 51 includes a power supply terminal VBUS1, a power supply terminal VBUS2, a signal terminal CC1, a data terminal D1+, a data terminal D1-, a data terminal TX1+, a data terminal TX1-, a data terminal RX1+, and a data terminal RX 1-. The second set of terminals 52 includes a power supply terminal VBUS3, a power supply terminal VBUS4, a signal terminal CC2, a data terminal D2+, a data terminal D2-, a data terminal TX2+, a data terminal TX2-, a data terminal RX2+, and a data terminal RX 2-.
Referring to fig. 3, which is a schematic diagram of circuit connections of a multifunctional USB data line in an implementation, in an embodiment, the wire body 10 includes a power VBUS connection line 11, a signal CC1 connection line 12, a data D1+ connection line 13, a data D1-connection line 14, a data TX1+ connection line 15, a data TX 1-connection line 16, a data RX1+ connection line 17, and a data RX 1-connection line 18. The power supply VBUS connection line 11 electrically connects the power supply terminal VBUS1 and/or the power supply terminal VBUS2 of the first set of terminals of the first USB connector 20 and the second USB connector 30, respectively. The signal CC1 connection lines 12 electrically connect the signal terminals CC1 of the first set of terminals of the first USB connector 20 and the second USB connector 30, respectively. The data D1+ connection line 13 is electrically connected to the data terminals D1+ of the first set of terminals of the first and second USB connectors 20 and 30, respectively. The data D1-connecting line 14 electrically connects the data terminals D1-of the first set of terminals of the first USB connector 20 and the second USB connector 30, respectively. The data TX1+ connection 15 is electrically connected to the data terminals TX1+ of the first set of terminals of the first USB connector 20 and the second USB connector 30, respectively. The data TX 1-connection line 16 electrically connects the data terminals TX 1-of the first set of terminals of the first USB connector 20 and the second USB connector 30, respectively. The data RX1+ connection 17 electrically connects the data terminals RX1+ of the first set of terminals of the first and second USB connectors 20 and 30, respectively. The data RX 1-connection line 18 electrically connects the data terminals RX 1-of the first set of terminals of the first USB connector 20 and the second USB connector 30, respectively. In one embodiment, the wire body 10 further includes a ground GND19, and the ground GND19 is connected to the first USB connector 20, the second USB connector 30, and the storage module 40, respectively. The ground GND19 is connected to the ground GND1 of the first set of terminals 51 of the first USB connector 20 and the second USB connector 30, respectively.
In one embodiment, the storage module 40 includes a DC/DC conversion circuit 41, a switch control unit 42, and a storage unit 43. In one embodiment, the DC/DC conversion circuit 41 is electrically connected to the power supply VBUS connection line 11, the switch control unit 42, and the storage unit 43, respectively. The DC/DC conversion circuit 41 is used to take power from the power supply VBUS connection line 11 to supply power to the storage unit 43. The memory cells 43 are electrically connected to the data D1+ connection 13, the data D1-connection 14, the data TX1+ connection 15, the data TX 1-connection 16, the data RX1+ connection 17, and the data RX 1-connection 18, respectively. The memory unit 43 is used for data communication with the data transmission host 2 via the data D1+ connection line 13, the data D1-connection line 14, the data TX1+ connection line 15, the data TX 1-connection line 16, the data RX1+ connection line 17 and the data RX 1-connection line 18. The switch control unit 42 is connected to the signal CC1 connection line 12 and the storage unit 43, respectively.
In one embodiment, in the first USB connector 20 and the second USB connector 30, when one of the first USB connector and the second USB connector is connected to the data transmission master 2 and the other is not connected to the data transmission slave 3, the switch control unit 42 connects the signal CC1 to the connection line 12 and the storage unit 43, so as to turn on or off the storage function of the storage unit 43.
In one embodiment, in the first USB connector 20 and the second USB connector 30, when one of the first USB connector and the second USB connector is connected to the data transmission master 2 and the other is connected to the data transmission slave 3, the switch control unit 42 connects the line 12 and the storage unit 43 via the electrical connection signal CC1 to turn on or off the storage function of the storage unit 43, and the multifunctional USB data line 1 is also used as a data communication line for the data transmission master 2, the data transmission slave 3 and the storage unit 43.
In one embodiment, in the first USB connector 20 and the second USB connector 30, when one of the first USB connector and the second USB connector is connected to the data transmission host device 2 and the other is connected to the external power source 4, the multifunctional USB data line 1 is used as a power line for supplying power from the external power source 4 to the data transmission host device 1, the switch control unit 42 disconnects the signal CC1 from the connection line 12 and the storage unit 43, the DC/DC conversion circuit 41 obtains power from the power source VBUS connection line 11 to supply power to the storage unit 43, and the storage unit 43 starts the storage function.
In one embodiment, the storage unit 43 includes one or more of a flash memory, a floppy disk, a hard disk, an optical disk, or a memory card.
In one embodiment, when the first USB connector 20 is connected to the data transmission master 2 and the second USB connector 30 is not connected to the data transmission slave 3, the switch control unit 42 connects the signal CC1 to the connection line 12 and the storage unit 43 for turning on the storage function of the storage unit 43. Since the second USB connector 30 is not located, the switch control unit 42 connects the signal terminal CC1 of the first USB connector 20 with the CC input terminal of the storage unit 43, at this time, the CC input terminal of the storage unit 43 is in a pull-down state, the default voltage on the power source VBUS connection line 11 is 5V, the DC/DC conversion circuit 41 supplies power to the storage unit 43, the storage unit 43 normally operates, and the storage function is turned on. In one embodiment, when the first USB connector 20 is connected to the data transmission master device 2 and the second USB connector 30 is connected to the data transmission slave device 3, the switch control unit 42 connects the line 12 and the storage unit 43 through the electrical connection signal CC1 to start the storage function of the storage unit 43, and the multifunctional USB data line 1 is also used as a data communication line for the data transmission master device 2 and the data transmission slave device 3. Since the second USB connector 30 is connected to the device for data transmission 3, the switch control unit 42 connects the signal terminal CC1 of the first USB connector 20 with the CC input terminal of the storage unit 43, at this time, the CC input terminal of the storage unit 43 is in a pull-down state, the default voltage on the power supply VBUS connection line 11 is 5V, the DC/DC conversion circuit 41 supplies power to the storage unit 43, the storage unit 43 normally starts the storage function, and meanwhile, normal data communication is performed between the first USB connector 20 and the second USB connector 30.
In one embodiment, when the first USB connector 20 is connected to the data transmission host 2 and the second USB connector 30 is connected to the external power source 4, the multifunctional USB data line 1 is used as a power line for supplying power from the external power source 4 to the data transmission host 2, the switch control unit 42 disconnects the signal CC1 from the connection 12 and the storage unit 43, the DC/DC conversion circuit 41 obtains power from the power source VBUS connection 11 to supply power to the storage unit 43, and the storage unit 43 starts the storage function. Since the second USB connector 30 is connected to the external power source, the switch control unit 42 disconnects the power source terminal CC1 of the first USB connector 20 from the CC access terminal of the storage unit 43, and at this time, the first USB connector 20 and the second USB connector 30 perform PD protocol communication and supply power to the data transmission host 2, where the power supply voltage includes 5V, 9V, 12V, 15V or 20V. At the same time, the DC/DC conversion circuit 41 takes power from the power supply VBUS connection line 11 to supply power to the storage unit 43, and the storage unit 43 turns on the storage function.
In one embodiment, the wire body further comprises a first power supply VBUS connection line, a signal CC2 connection line, a data D2+ connection line, a data D2-connection line, a data TX2+ connection line, a data TX 2-connection line, a data RX2+ connection line, and a data RX 2-connection line. The first power supply VBUS connecting wire is electrically connected with the power supply terminal VBUS3 and/or the power supply terminal VBUS4 of the second set of terminals of the first USB connector and the second USB connector respectively, and the signal CC2 connecting wire is electrically connected with the signal terminal CC2 of the second set of terminals of the first USB connector and the second USB connector respectively. The data D2+ connecting wire is electrically connected with the data ends D2+ of the second group of terminals of the first USB connector and the second USB connector respectively. The data D2-connecting line is electrically connected with the data ends D2-of the second group of terminals of the first USB connector and the second USB connector respectively. The data TX2+ connecting wire is electrically connected with the data end TX2+ of the second group of terminals of the first USB connector and the second USB connector respectively. The data TX 2-connecting wire is electrically connected with the data terminal TX 2-of the second group of terminals of the first USB connector and the second USB connector respectively. The data RX2+ connecting line is electrically connected to the data terminals RX2+ of the second set of terminals of the first and second USB connectors, respectively. The data RX 2-connecting line is electrically connected with the data terminal RX 2-of the second set of terminals of the first and second USB connectors, respectively. The DC/DC conversion circuit of the storage module is also electrically connected with a first power supply VBUS connecting wire, the storage unit is also respectively connected with a data D2+ connecting wire, a data D2-connecting wire, a data TX2+ connecting wire, a data TX 2-connecting wire, a data RX2+ connecting wire and a data RX 2-connecting wire, and the switch control unit is also connected with a signal CC2 connecting wire, so that the first USB connector and the second USB connector can be plugged in a blind mode.
In an embodiment of the present application, a multifunctional USB data line includes a line body, a first USB connector, a second USB connector, and a storage module. The first USB joint and the second USB joint are connected through a line body, the storage module is connected with the line body, and when the multifunctional USB data line is connected with the data transmission main equipment, the storage module is used as an external storage of the data transmission main equipment. In the first USB connector and the second USB connector, when one is connected to the data transmission master and the other is connected to the data transmission slave, the multifunctional USB data line is used as a data communication line for the data transmission master, the data transmission slave, and the memory module. In the first USB connector and the second USB connector, when one is connected to the data transmission host device and the other is connected to the external power supply, the multifunctional USB data line is used as a power line from the external power supply to the data transmission host device and the storage module. Because the storage module is added on the multifunctional USB data line, the multifunctional USB data line can also be used as an external storage of data transmission main equipment, and the requirements of different users are further met.
The present application has been described with reference to specific examples, which are provided only to aid understanding of the present application and are not intended to limit the present application. For a person skilled in the art to which the application pertains, several simple deductions, modifications or substitutions may be made according to the idea of the application.
Claims (10)
1. A multifunctional USB data line is characterized by comprising a line body, a first USB joint and a second USB joint which are arranged at two ends of the line body, and a storage module connected with the line body;
when the first USB joint is used for connecting data transmission main equipment, the storage module is used as an external storage of the data transmission main equipment;
in the first USB joint and the second USB joint, when one of the first USB joint and the second USB joint is used for connecting the data transmission master equipment and the other one of the first USB joint and the second USB joint is used for connecting a data transmission slave equipment, the multifunctional USB data line is used for data communication lines of the data transmission master equipment, the data transmission slave equipment and the storage module;
in the first USB connector and the second USB connector, when one of the first USB connector and the second USB connector is used for connecting the data transmission master device and the other USB connector is used for connecting an external power supply, the multifunctional USB data line is used as a power line for the data transmission master device and the storage module.
2. The multifunctional USB data cable of claim 1, wherein the first USB connector is a USB-C male connector and the second USB connector is a USB-C female connector;
or the first USB connector is a USB-C female connector, and the second USB connector is a USB-C male connector;
or both the first USB connector and the second USB connector are male connectors;
or, the first USB joint and the second USB joint are both female joints.
3. The multi-function USB data cable of claim 2 wherein the first USB connector and the second USB connector each include a first set of terminals; the first set of terminals includes a power terminal VBUS1, a power terminal VBUS2, a signal terminal CC1, a data terminal D1+, a data terminal D1-, a data terminal TX1+, a data terminal TX1-, a data terminal RX1+, and a data terminal RX 1-.
4. The multifunctional USB data cable of claim 3, wherein the cable body includes a power VBUS connection, a signal CC1 connection, a data D1+ connection, a data D1-connection, a data TX1+ connection, a data TX 1-connection, a data RX1+ connection, and a data RX 1-connection;
the power supply VBUS connecting wire is electrically connected with the power supply terminal VBUS1 and/or the power supply terminal VBUS2 of the first group of terminals of the first USB connector and the second USB connector respectively;
the signal CC1 connecting wires are respectively and electrically connected with the signal ends CC1 of the first group of terminals of the first USB connector and the second USB connector;
the data D1+ connecting line is electrically connected with the data ends D1+ of the first group of terminals of the first USB connector and the second USB connector respectively;
the data D1-connecting line is electrically connected with the data ends D1-of the first group of terminals of the first USB connector and the second USB connector respectively;
the data TX1+ connecting wire is electrically connected with the data ends TX1+ of the first group of terminals of the first USB connector and the second USB connector respectively;
the data TX 1-connecting wire is electrically connected with the data terminal TX 1-of the first group of terminals of the first USB connector and the second USB connector respectively;
the data RX1+ connecting line is electrically connected with the data terminal RX1+ of the first group of terminals of the first USB connector and the second USB connector respectively;
the data RX 1-connecting line is electrically connected with the data terminal RX 1-of the first group of terminals of the first USB connector and the second USB connector respectively.
5. The multifunctional USB data line according to claim 4, wherein the storage module includes a DC/DC conversion circuit, a switch control unit, and a storage unit.
6. The multifunctional USB data cable according to claim 5, wherein the DC/DC conversion circuit is electrically connected to the power VBUS connection line, the switch control unit, and the storage unit, respectively; the DC/DC conversion circuit is used for obtaining power supply from the power supply VBUS connecting line so as to provide power supply for the storage unit;
the memory cells are electrically connected to the data D1+ connection, the data D1-connection, the data TX1+ connection, the data TX 1-connection, the data RX1+ connection, and the data RX 1-connection, respectively; the storage unit is used for carrying out data communication with the data transmission main device through the data D1+ connecting line, the data D1-connecting line, the data TX1+ connecting line, the data TX 1-connecting line, the data RX1+ connecting line and the data RX 1-connecting line;
the switch control unit is respectively connected with the signal CC1 connecting line and the storage unit.
7. The multifunctional USB data line according to claim 5, wherein in the first USB connector and the second USB connector, when one of the first USB connector and the second USB connector is connected to the data transfer master and the other is not connected to the data transfer slave, the switch control unit connects the signal CC1 connection line and the storage unit for turning on or off a storage function of the storage unit.
8. The multi-function USB data cable of claim 5, wherein in the first USB connector and the second USB connector, when one of them is connected to the data transmission master and the other is connected to the data transmission slave, the switch control unit connects the cable and the storage unit by electrically connecting the signal CC1 to turn on or off the storage function of the storage unit, and the multi-function USB data cable is also used as a data communication cable for the data transmission master, the data transmission slave and the storage unit.
9. The multi-function USB data cable of claim 5, wherein in the first USB connector and the second USB connector, when one of the first USB connector and the second USB connector is connected to the data transmission master device and the other is connected to the external power source, the multi-function USB data cable is used as a power line for the external power source to supply power to the data transmission master device, the switch control unit disconnects the signal CC1 connection line from the storage unit, the DC/DC conversion circuit obtains power from the power source VBUS connection line to supply power to the storage unit, and the storage unit turns on a storage function.
10. The multifunctional USB data cable of any one of claims 5 to 9 wherein the memory unit includes one or more of a flash memory, a floppy disk, a hard disk, an optical disk, or a memory card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434988.4U CN215343295U (en) | 2021-06-25 | 2021-06-25 | Multifunctional USB data line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434988.4U CN215343295U (en) | 2021-06-25 | 2021-06-25 | Multifunctional USB data line |
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| CN215343295U true CN215343295U (en) | 2021-12-28 |
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| CN202121434988.4U Active CN215343295U (en) | 2021-06-25 | 2021-06-25 | Multifunctional USB data line |
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2021
- 2021-06-25 CN CN202121434988.4U patent/CN215343295U/en active Active
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