CN217543834U - USB interface changes giga net gape extension device - Google Patents
USB interface changes giga net gape extension device Download PDFInfo
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- CN217543834U CN217543834U CN202220184300.XU CN202220184300U CN217543834U CN 217543834 U CN217543834 U CN 217543834U CN 202220184300 U CN202220184300 U CN 202220184300U CN 217543834 U CN217543834 U CN 217543834U
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Abstract
The utility model provides a USB interface changes giga net gape extension device, include: the computer comprises a first USB interface used for connecting a computer, a hub controller electrically connected with the first USB interface, a plurality of second USB interfaces electrically connected with the hub controller and used for externally connecting equipment, a gigabit network card and a charging interface electrically connected with the hub controller, a network interface electrically connected with the gigabit network card, and a power circuit electrically connected with the first USB interface, the charging interface, the gigabit network card and the hub controller respectively. The first USB interface is connected with a computer, the first USB interface is used for getting electricity from the computer, the power circuit supplies power to the hub controller, the charging interface and the gigabit network card respectively, and the charging interface can be connected with a mobile phone externally and charges the mobile phone. And the second USB interface can be connected with a mouse, a keyboard, a USB flash disk and the like, so that the computer can be matched with the mouse, the keyboard and the like for use. And the gigabit network card is matched with a network interface, so that the data of the computer can be transmitted quickly, and the data transmission speed is improved.
Description
[ technical field ] A
The utility model belongs to the technical field of the technique of expander and specifically relates to a USB interface changes giga net gape extension device is related to.
[ background ] A method for producing a semiconductor device
As is known, a docking station is a peripheral device of a notebook computer, and is connected to a port of the notebook computer, so that the notebook computer can be connected to a plurality of accessories or external devices in a one-stop manner, for example, a power adapter interface, a network port, a USB interface, etc. can be expanded by an expander. However, at present, the existing multifunctional docking station has a relatively slow data transmission speed of the network port, and cannot meet the requirement of existing large data transmission.
Accordingly, the prior art is in need of improvement and development.
[ Utility model ] content
An object of the utility model is to provide a USB interface commentaries on classics giga net gape extension device for solve the slow problem of current multi-functional expansion depressed place ware net gape transmission data.
The technical scheme of the utility model as follows: a USB interface gigabit network port expansion device comprises: the system comprises a first USB interface used for connecting a computer, a hub controller electrically connected with the first USB interface, a plurality of second USB interfaces electrically connected with the hub controller and used for externally connecting equipment, a gigabit network card and a charging interface electrically connected with the hub controller, a network interface electrically connected with the gigabit network card, and a power circuit respectively electrically connected with the first USB interface, the charging interface, the gigabit network card and the hub controller;
the power circuit supplies power to the first USB interface, the gigabit network card and the concentrator controller respectively from a power input by the first USB interface, and outputs voltage input by the first USB interface from the charging interface; and the hub controller transmits the data output by the first USB interface through the gigabit network card and outputs the data from the network interface.
Furthermore, a first low-pass filter for filtering is connected in series between the first USB interface and the hub controller, and a first electrostatic protection circuit is connected to a pin of the hub controller connected to the first USB interface.
Furthermore, a first electrostatic protection circuit is connected to a pin of the line concentration controller connected to the second USB interface.
Further, the network interface is connected with a common mode inductor for filtering.
Further, the power supply circuit includes: the power supply device comprises a first power supply sub-circuit, a second power supply sub-circuit, a third power supply sub-circuit and a power supply switch circuit, wherein the first power supply sub-circuit is respectively and electrically connected with the first USB interface and the hub controller, the second power supply sub-circuit is respectively and electrically connected with the first USB interface and the second USB interface, the third power supply sub-circuit is respectively and electrically connected with the first USB interface and the gigabit network card, and the power supply switch circuit is respectively and electrically connected with the first USB interface and the charging interface.
Further, the line concentration controller is a chip of GL3510 type.
Further, the gigabit network card is an AX88179AQE type chip.
Furthermore, there are three second USB interfaces.
The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses utilize first USB interface connection computer to realize developing second USB interface, network interface and the interface that charges. The first USB interface is used for getting electricity from a computer, the power circuit supplies power to the line concentration controller, the charging interface and the gigabit network card respectively, and then the charging interface can be connected with a mobile phone externally and charges the mobile phone. And the second USB interface can be connected with a mouse, a keyboard, a USB flash disk and the like, so that the computer can be matched with the mouse, the keyboard and the like for use. And the gigabit network card is matched with a network interface, so that the data of the computer can be transmitted quickly, and the data transmission speed is improved.
[ description of the drawings ]
FIG. 1 is a schematic block diagram of the present invention;
fig. 2 is a circuit diagram of a first USB interface of the present invention;
fig. 3-5 are circuit diagrams of a first low pass filter of the present invention;
fig. 6 is a circuit diagram of a first electrostatic protection circuit according to the present invention;
fig. 7 is a circuit diagram of the power switch circuit and the charging interface of the present invention;
fig. 8-10 are circuit diagrams of the hub controller and peripheral circuits of the present invention;
fig. 11-17 are circuit diagrams of a first power supply sub-circuit of the present invention;
fig. 18 to 20 are circuit diagrams of a second USB interface according to the present invention;
fig. 21 to 23 are circuit diagrams of a second electrostatic protection circuit according to the present invention;
fig. 24 is a circuit diagram of a second power supply sub-circuit of the present invention;
fig. 25-28 are circuit diagrams of the gigabit network card and its peripheral circuits according to the present invention;
fig. 29 is a circuit diagram of the common mode inductor of the present invention;
fig. 30 is a circuit diagram of the network interface of the present invention;
fig. 31 is a circuit diagram of a third power supply sub-circuit of the present invention.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1-31, an embodiment of the present invention provides an expansion device for a USB interface to gigabit network interface.
The USB interface gigabit network port expansion device comprises: the USB interface device comprises a first USB interface 2 (J52) for connecting a computer, a hub controller 7 (U601) electrically connected with the first USB interface 2 (J52), a plurality of second USB interfaces 12 (J3/J4/J254) electrically connected with the hub controller 7 (U601) and used for external equipment, a gigabit network card 9 (U5) and a charging interface 1 (J1) electrically connected with the hub controller 7 (U601), a network interface 11 (CON 1) electrically connected with the gigabit network card 9 (U5), and a power circuit respectively electrically connected with the first USB interface 2 (J52), the charging interface 1 (J1), the gigabit network card 9 (U5) and the hub controller 7 (U601).
The first USB interface 2 (J52) is used for connecting a computer to develop a second USB interface 12 (J3/J4/J254), a network interface 11 (CON 1) and a charging interface 1 (J1). The first USB interface 2 (J52) is used for getting electricity from a computer, the power circuit supplies power to the hub controller 7 (U601), the charging interface 1 (J1) and the gigabit network card 9 (U5), and then the charging interface 1 (J1) can be connected with a mobile phone externally and charges the mobile phone. And the second USB interface 12 (J3/J4/J254) can be used for connecting a mouse, a keyboard, a USB flash disk and the like, so that the computer can be matched with the mouse, the keyboard and the like for use. And the gigabit network card 9 (U5) is used to be matched with the network interface 11 (CON 1), so that the data of the computer can be transmitted quickly, the data transmission speed is increased, and the problem that the network port of the existing multifunctional docking station device is slow in data transmission is solved.
In one embodiment, in order to improve the anti-interference performance of data transmission between the computer and the expansion device, a first low-pass filter 5 (CM 50/CM51/CM 52) for filtering is connected in series between the first USB interface 2 (J52) and the hub controller 7 (U601), and a first electrostatic protection circuit 6 (ESD 6) is connected to a pin of the hub controller 7 (U601) connected to the first USB interface 2 (J52).
In one embodiment, in order to improve the interference resistance of data transmission between the external device and the expansion device, the first electrostatic protection circuit 6 (ESD 6) is connected to a pin of the hub controller 7 (U601) connected to the second USB interface 12 (J3/J4/J254).
In one embodiment, the network interface 11 (CON 1) is connected with a common mode inductor 14 for filtering in order to improve data transmission.
In one embodiment, to supply power to the hub controller 7 (U601), the second USB interface 12 (J3/J4/J254), and the gigabit network card 9 (U5), and to supply power to the external device using the charging interface 1 (J1), the power supply circuit includes: the power supply device comprises a first power supply sub-circuit 8, a second power supply sub-circuit 13, a third power supply sub-circuit 3 and a power switch circuit 4, wherein the first power supply sub-circuit 8 is respectively and electrically connected with a first USB interface 2 (J52) and a hub controller 7 (U601), the second power supply sub-circuit 13 is respectively and electrically connected with the first USB interface 2 (J52) and a second USB interface 12 (J3/J4/J254), the third power supply sub-circuit 3 is respectively and electrically connected with the first USB interface 2 (J52) and a gigabit network card 9 (U5), and the power switch circuit 4 is respectively and electrically connected with the first USB interface 2 (J52) and a charging interface 1 (J1).
In the above embodiment, the hub controller 7 (U601) preferably uses a chip of GL3510 model, the gigabit card 9 (U5) preferably uses a chip of AX88179AQE model, and the second USB interface 12 (J3/J4/J254) is extended by three in order to maximize the utilization of the hub controller 7 (U601). Specifically, the first USB interface 2 (J52) is shown in fig. 2, the first low-pass filter 5 (CM 50/CM51/CM 52) is shown in fig. 3 to 5, the first electrostatic protection circuit 6 (ESD 6) is shown in fig. 6, the power switch circuit 4 and the charging interface 1 (J1) are shown in fig. 7, the line concentration controller 7 (U601) and the peripheral circuits are shown in fig. 8 to 10, the first power supply sub-circuit 8 is shown in fig. 11 to 17, the second USB interface 12 (J3/J4/J254) is shown in fig. 18 to 20, the second electrostatic protection circuit 6 (ESD 6) is shown in fig. 21 to 23, the second power supply sub-circuit 13 is shown in fig. 24, the gigabit card 9 (U5) and the peripheral circuits thereof are shown in fig. 25 to 28, the circuit diagram of the common mode inductor 14 is shown in fig. 29, the circuit diagram of the network interface 11 (CON 1) is shown in fig. 30, and the third power supply sub-circuit 3 is shown in fig. 31.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (8)
1. The utility model provides a USB interface changes giga net gape extension device which characterized in that includes: the system comprises a first USB interface used for connecting a computer, a hub controller electrically connected with the first USB interface, a plurality of second USB interfaces electrically connected with the hub controller and used for externally connecting equipment, a gigabit network card and a charging interface electrically connected with the hub controller, a network interface electrically connected with the gigabit network card, and a power circuit respectively electrically connected with the first USB interface, the charging interface, the gigabit network card and the hub controller;
the power circuit supplies power to the first USB interface, the gigabit network card and the concentrator controller respectively from a power input by the first USB interface, and outputs voltage input by the first USB interface from the charging interface; and the hub controller transmits the data output by the first USB interface through the gigabit network card and outputs the data from the network interface.
2. The apparatus of claim 1, wherein a first low pass filter for filtering is connected in series between the first USB interface and the hub controller, and a first electrostatic protection circuit is connected to a pin of the hub controller connected to the first USB interface.
3. The apparatus of claim 2, wherein a second esd protection circuit is connected to a pin of the hub controller connected to the second USB interface.
4. The USB interface gigabit network port expansion device according to claim 3, wherein the network interface is connected to a common mode inductor for filtering.
5. The USB interface gigabit Ethernet port capable of being extended according to claim 4, wherein said power supply circuit comprises: the power supply comprises a first power supply sub-circuit, a second power supply sub-circuit, a third power supply sub-circuit and a power switch circuit, wherein the first power supply sub-circuit is respectively and electrically connected with the first USB interface and the hub controller, the second power supply sub-circuit is respectively and electrically connected with the first USB interface and the second USB interface, the third power supply sub-circuit is respectively and electrically connected with the first USB interface and the gigabit network card, and the power switch circuit is respectively and electrically connected with the first USB interface and the charging interface.
6. The USB interface gigabit network port expansion device according to claim 5, wherein the hub controller is a GL3510 chip.
7. The apparatus of claim 6, wherein the gigabit network card is an AX88179AQE chip.
8. The apparatus of claim 7, wherein there are three USB interfaces of the USB gigabit interface extension apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220184300.XU CN217543834U (en) | 2022-01-20 | 2022-01-20 | USB interface changes giga net gape extension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220184300.XU CN217543834U (en) | 2022-01-20 | 2022-01-20 | USB interface changes giga net gape extension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217543834U true CN217543834U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220184300.XU Active CN217543834U (en) | 2022-01-20 | 2022-01-20 | USB interface changes giga net gape extension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217543834U (en) |
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2022
- 2022-01-20 CN CN202220184300.XU patent/CN217543834U/en active Active
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