CN216697110U - Four-port expansion device supporting 10Gb transmission rate - Google Patents

Four-port expansion device supporting 10Gb transmission rate Download PDF

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Publication number
CN216697110U
CN216697110U CN202123006948.2U CN202123006948U CN216697110U CN 216697110 U CN216697110 U CN 216697110U CN 202123006948 U CN202123006948 U CN 202123006948U CN 216697110 U CN216697110 U CN 216697110U
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interface
usb
type
computer
circuit
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张炜翔
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Shenzhen Haiying Zhilian Industrial Co ltd
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Shenzhen Haiying Zhilian Industrial Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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Abstract

The utility model provides a four-port expanding device supporting 10Gb transmission rate, which comprises: the USB hub is electrically connected with the computer interface, the first USB interface, the second USB interface, the first data switching chip and the second data switching chip are electrically connected with the USB hub, the first Type-C interface is electrically connected with the first data switching chip, and the second Type-C interface is electrically connected with the second data switching chip. The USB concentrator is a chip with a VL822 model, a first Type-C interface supports positive and negative insertion through a first data switching chip, and a second Type-C interface realizes positive and negative insertion through a second data switching chip; the computer interface is used for externally connecting a computer, and transmits data between the computer and the first USB interface, the second USB interface, the first Type-C interface and the second Type-C interface at a transmission rate of 10GB through the USB concentrator. The data transmission rate between the computer and the external equipment through the expansion device is up to 10Gb, the use experience of user data transmission is improved, and the user requirements are met.

Description

Four-port expansion device supporting 10Gb transmission rate
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of expander, in particular to a four-port expanding device supporting 10Gb transmission rate.
[ background of the utility model ]
As is known, a docking station is an external device designed for a notebook computer, and the docking station can be connected to a plurality of accessories or external devices by extending a port of the notebook computer, for example, to a power adapter, a network cable, a mouse, an external keyboard, a printer, and an external display by docking. However, in the existing expansion device, the developed USB interfaces such as the Type-C interface generally have only 5GB transmission rate, and the transmission rate is low, so that the requirement of the user cannot be met.
Accordingly, the prior art is in need of improvement and development.
[ Utility model ] content
The utility model aims to provide a four-port docking station supporting 10Gb transmission rate, which is used for solving the problem of low transmission rate of the existing docking station.
The technical scheme of the utility model is as follows: a four-port expansion device supporting a 10Gb transmission rate, comprising: the USB switching device comprises a computer interface, a USB concentrator electrically connected with the computer interface, a first USB interface, a second USB interface, a first data switching chip and a second data switching chip electrically connected with the USB concentrator, a first Type-C interface electrically connected with the first data switching chip, and a second Type-C interface electrically connected with the second data switching chip;
the USB concentrator is a chip with a VL822 model, the first Type-C interface realizes positive and negative insertion through a first data switching chip, and the second Type-C interface realizes positive and negative insertion through a second data switching chip; the computer interface is used for externally connecting a computer, and transmits data between the computer and the first USB interface, the second USB interface, the first Type-C interface and the second Type-C interface at a transmission rate of 10GB through the USB concentrator.
Further, the first data switching chip and the second data switching chip are both VL162 type chips.
Furthermore, the four-port expansion device further comprises a first low-pass filter, and the first low-pass filter is electrically connected with the computer interface and the USB concentrator respectively.
Furthermore, the four-port expansion device further comprises a first electrostatic protection circuit and a first low-pass filter circuit, wherein the first electrostatic protection circuit and the first low-pass filter circuit are respectively and electrically connected with the USB hub and the first USB interface.
Furthermore, the four-port expansion device further comprises a second electrostatic protection circuit and a second low-pass filter circuit, wherein the second electrostatic protection circuit and the second low-pass filter circuit are respectively and electrically connected with the USB hub and the second USB interface.
Furthermore, the four-port expansion device further comprises a crystal oscillator which is electrically connected with the USB hub and provides a clock signal for the USB hub.
Furthermore, the four-port expansion device further comprises a Flash chip electrically connected with the USB concentrator.
Furthermore, the four-port expansion device also comprises a first power supply circuit, a second power supply circuit, a third power supply circuit, a fourth power supply circuit and a fifth power supply circuit which are electrically connected with the computer interface;
the first power supply circuit converts 5V voltage accessed by a computer interface into 1.1V voltage to supply power to the USB concentrator, the second power supply circuit converts 5V voltage accessed by the computer interface into 3.3V voltage to respectively supply power to the USB concentrator and the Flash chip, the third power supply circuit stably outputs the 5V voltage accessed by the computer interface to the first USB interface, the second USB interface, the first Type-C interface and the second Type-C interface, the fourth power supply circuit filters the 5V voltage accessed by the computer interface and supplies power to the first data switching chip, and the fifth power supply circuit filters the 5V voltage accessed by the computer interface and supplies power to the second data switching chip.
Further, the computer interface is a Type-C interface, and the first USB interface and the second USB interface are both USBA3.1 interfaces.
The utility model has the beneficial effects that: compared with the prior art, the USB hub is connected with the notebook computer through the computer interface, and transmits the data of the notebook computer to the USB hub; the USB hub is used for developing a first USB interface, a second USB interface, a first Type-C interface and a second Type-C interface, the first USB interface and the second USB interface can be used for enabling a computer to be matched with a mouse, a keyboard, a USB flash disk and the like, the first Type-C interface and the second Type-C interface can be used for enabling the computer to be matched with a hard disk, a card reader and the like, the data transmission rate between the computer and the external devices can reach 10Gb through the USB hub, the use experience of user data transmission is improved, and the user requirements are met.
[ description of the drawings ]
Fig. 1 is a schematic block diagram of the present invention.
FIG. 2 is a circuit diagram of a computer interface according to the present invention.
Fig. 3 is a circuit diagram of a first low-pass filter according to the present invention.
FIG. 4 is a circuit diagram of a second power circuit according to the present invention.
FIG. 5 is a circuit diagram of a first power circuit according to the present invention.
FIG. 6 is a circuit diagram of a third power circuit according to the present invention.
FIGS. 7-10 are circuit diagrams of the USB hub and its peripheral circuits according to the present invention.
FIG. 11 is a circuit diagram of a Flash chip of the present invention.
Fig. 12 is a circuit diagram of a first data conversion chip according to the present invention.
FIG. 13 is a circuit diagram of a first Type-C interface according to the present invention.
Fig. 14 is a circuit diagram of a second data conversion chip according to the present invention.
FIG. 15 is a circuit diagram of a second Type-C interface according to the present invention.
FIG. 16 is a circuit diagram of a first USB interface according to the present invention.
Fig. 17 is a circuit diagram of a first electrostatic protection circuit according to the present invention.
Fig. 18 is a circuit diagram of a first low-pass filter circuit according to the present invention.
FIG. 19 is a circuit diagram of a second USB interface according to the present invention.
Fig. 20 is a circuit diagram of a second electrostatic protection circuit according to the present invention.
FIG. 21 is a circuit diagram of a second low-pass filter circuit according to the present invention.
[ detailed description ] embodiments
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1-21, a four-port expansion device supporting a 10Gb transmission rate according to an embodiment of the present invention.
The four-port expansion device supporting the 10Gb transmission rate comprises: computer interface 1(U1), USB concentrator 9(U6) with computer interface 1(U1) electricity is connected, first USB interface 17(J1) with USB concentrator 9(U6) electricity is connected, second USB interface 18(J2), first data switch chip 15(U13) and second data switch chip 16(U11), first Type-C interface 19(U12) with first data switch chip 15(U13) electricity is connected, and second Type-C interface 20(U10) with second data switch chip 16(U11) electricity is connected. The USB hub 9(U6) is a chip of a VL822 model, the first Type-C interface 19(U12) supports positive and negative insertion through the first data switching chip 15(U13), and the second Type-C interface 20(U10) supports positive and negative insertion through the second data switching chip 16 (U11); the computer interface 1(U1) is used for externally connecting a computer, and transmits data between the computer and the first USB interface 17(J1), the second USB interface 18(J2), the first Type-C interface 19(U12) and the second Type-C interface 20(U10) at a transmission rate of 10GB through the USB hub 9 (U6).
The utility model connects the notebook computer through the computer interface 1(U1), and transmits the data of the notebook computer to the USB hub 9 (U6); a first USB interface 17(J1), a second USB interface 18(J2), a first Type-C interface 19(U12) and a second Type-C interface 20(U10) are developed through a USB concentrator 9(U6), the first USB interface 17(J1) and the second USB interface 18(J2) can enable a computer to be matched with a mouse, a keyboard, a U disk and the like, the first Type-C interface 19(U12) and the second Type-C interface 20(U10) can enable the computer to be matched with a hard disk, a card reader and the like, the data transmission rate between the computer and external equipment can reach 10Gb through the USB concentrator 9(U6), the use experience of user data transmission is improved, and the user requirements are met. In addition, the first Type-C interface 19(U12) and the second Type-C interface 20(U10) can support forward and backward insertion through the first data switching chip 15(U13) and the second data switching chip 16(U11), which is convenient for users to use.
Specifically, in order to improve the performance, the computer interface 1(U1) is a Type-C interface, the first USB interface 17(J1) and the second USB interface 18(J2) are both USB ba3.1 interfaces, and the first data switching chip 15(U13) and the second data switching chip 16(U11) are both VL162 chips.
In an embodiment, the four-port expansion device further includes a first low-pass filter 2(CM3), the first low-pass filter 2(CM3) is electrically connected to the computer interface 1(U1) and the USB hub 9(U6), respectively, and the first low-pass filter 2(CM3) is used to improve the interference resistance of data transmission and improve the performance of the expansion device.
In an embodiment, the four-port expansion apparatus further includes a first electrostatic protection circuit 12 and a first low-pass filter circuit 11, and the first electrostatic protection circuit 12 and the first low-pass filter circuit 11 are electrically connected to the USB hub 9(U6) and the first USB interface 17(J1), respectively. The four-port expansion device further includes a second electrostatic protection circuit 13 and a second low-pass filter circuit 14, and the second electrostatic protection circuit 13 and the second low-pass filter circuit 14 are electrically connected to the USB hub 9(U6) and the second USB interface 18(J2), respectively. The first electrostatic protection circuit 12, the first low-pass filter circuit 11, the second electrostatic protection circuit 13, and the second low-pass filter circuit 14 can prevent electrostatic damage to the first USB interface 17(J1) and the second USB interface 18(J2), and protect the first USB interface 17(J1) and the second USB interface 18 (J2).
In an embodiment, the four-port expansion device further includes a crystal oscillator 10(X1) electrically connected to the USB hub 9(U6) and providing a clock signal to the USB hub 9(U6), and the USB hub 9(U6) is enabled to operate in order by using the crystal oscillator 10(X1) to clock the USB hub 9 (U6).
In one embodiment, the four-port expansion device further comprises a Flash chip 5(U8) electrically connected with the USB hub 9(U6), and the Flash chip 5(U8) is used for storing data for the USB hub 9 (U6).
In one embodiment, the four-port expansion device further includes a first power circuit 3, a second power circuit 4, a third power circuit 6, a fourth power circuit 7, and a fifth power circuit 8 electrically connected to the computer interface 1 (U1). The first power circuit 3 converts the 5V voltage accessed by the computer interface 1(U1) into 1.1V voltage to supply power for the USB hub 9(U6), the second power circuit 4 converts the 5V voltage accessed by the computer interface 1(U1) into 3.3V voltage to supply power for the USB hub 9(U6) and the Flash chip 5(U8), the third power circuit 6 stably outputs the 5V voltage accessed by the computer interface 1(U1) to the first USB interface 17(J1) and the second USB interface 18(J2), the first Type-C interface 19(U12) and the second Type-C interface 20(U10), the fourth power circuit 7 filters the 5V voltage accessed by the computer interface 1(U1) and supplies power to the first data switching chip 15(U13), and the fifth power circuit 8 filters the 5V voltage accessed by the computer interface 1(U1) and supplies power to the second data switching chip 16 (U11). The notebook computer is connected through the computer interface 1(U1), and the first power supply circuit 3, the second power supply circuit 4, the third power supply circuit 6, the fourth power supply circuit 7 and the fifth power supply circuit 8 are supplied with electricity from the computer, so that internal power supply is realized.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model.

Claims (9)

1. A four-port expansion apparatus supporting 10Gb transmission rate, comprising: the USB switching device comprises a computer interface, a USB concentrator electrically connected with the computer interface, a first USB interface, a second USB interface, a first data switching chip and a second data switching chip electrically connected with the USB concentrator, a first Type-C interface electrically connected with the first data switching chip, and a second Type-C interface electrically connected with the second data switching chip;
the USB concentrator is a chip of a VL822 model, the first Type-C interface realizes positive and negative insertion through a first data switching chip, and the second Type-C interface realizes positive and negative insertion through a second data switching chip; the computer interface is used for externally connecting a computer, and transmits data between the computer and the first USB interface, the second USB interface, the first Type-C interface and the second Type-C interface at a transmission rate of 10GB through the USB concentrator.
2. The device of claim 1, wherein the first data switch chip and the second data switch chip are both VL162 type chips.
3. The device of claim 2, further comprising a first low pass filter electrically connected to the computer interface and the USB hub, respectively.
4. The device of claim 3, further comprising a first electrostatic protection circuit and a first low-pass filter circuit, wherein the first electrostatic protection circuit and the first low-pass filter circuit are electrically connected to the USB hub and the first USB interface, respectively.
5. The device of claim 4, further comprising a second electrostatic protection circuit and a second low-pass filter circuit, wherein the second electrostatic protection circuit and the second low-pass filter circuit are electrically connected to the USB hub and the second USB interface, respectively.
6. The device of claim 5, further comprising a crystal oscillator electrically connected to the USB hub and providing a clock signal to the USB hub.
7. The device of claim 6, further comprising a Flash chip electrically connected to the USB hub.
8. The device of claim 7, further comprising a first power circuit, a second power circuit, a third power circuit, a fourth power circuit, and a fifth power circuit electrically connected to the computer interface;
the first power supply circuit converts 5V voltage accessed by a computer interface into 1.1V voltage to supply power to the USB concentrator, the second power supply circuit converts 5V voltage accessed by the computer interface into 3.3V voltage to respectively supply power to the USB concentrator and the Flash chip, the third power supply circuit stably outputs the 5V voltage accessed by the computer interface to the first USB interface, the second USB interface, the first Type-C interface and the second Type-C interface, the fourth power supply circuit filters the 5V voltage accessed by the computer interface and supplies power to the first data switching chip, and the fifth power supply circuit filters the 5V voltage accessed by the computer interface and supplies power to the second data switching chip.
9. The device of claim 8, wherein the computer interface is a Type-C interface, and the first USB interface and the second USB interface are both USB a3.1 interfaces.
CN202123006948.2U 2021-12-02 2021-12-02 Four-port expansion device supporting 10Gb transmission rate Active CN216697110U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123006948.2U CN216697110U (en) 2021-12-02 2021-12-02 Four-port expansion device supporting 10Gb transmission rate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123006948.2U CN216697110U (en) 2021-12-02 2021-12-02 Four-port expansion device supporting 10Gb transmission rate

Publications (1)

Publication Number Publication Date
CN216697110U true CN216697110U (en) 2022-06-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123006948.2U Active CN216697110U (en) 2021-12-02 2021-12-02 Four-port expansion device supporting 10Gb transmission rate

Country Status (1)

Country Link
CN (1) CN216697110U (en)

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