CN215954301U - USB expansion device and USB expansion system based on BTB link - Google Patents
USB expansion device and USB expansion system based on BTB link Download PDFInfo
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- CN215954301U CN215954301U CN202121944156.7U CN202121944156U CN215954301U CN 215954301 U CN215954301 U CN 215954301U CN 202121944156 U CN202121944156 U CN 202121944156U CN 215954301 U CN215954301 U CN 215954301U
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Abstract
The utility model discloses a USB expansion device and a USB expansion system based on BTB (Business card Board) link, wherein the USB expansion device based on BTB link comprises a board-to-board connector, a main controller and a plurality of USB sockets, the board-to-board connector is provided with a power interface and a USB signal transmission interface, and the main controller is electrically connected with the power interface, the USB signal transmission interface and each USB socket respectively. The utility model discloses a USB expansion device based on BTB link, which solves the technical problem that the existing complete machine can not meet the use requirement that a client needs to increase a USB interface.
Description
Technical Field
The utility model belongs to the technical field of electronics, and particularly relates to a USB expansion device and a USB expansion system based on BTB (Business card Board) link.
Background
In the design of the whole computer, a USB interface is integrated and designed on a mainboard, if the design is finished, the whole computer is shaped, and the USB interface cannot be added, so that the use requirement of a client for adding the USB interface cannot be met; in addition, if the USB interface on the motherboard breaks down, it is very inconvenient to need to change the motherboard or maintain the motherboard.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a USB expansion device and a USB expansion system based on BTB (Business to Board) link, aiming at solving the technical problem that the existing complete machine cannot meet the use requirement of a client for increasing a USB interface.
In order to achieve the above purpose, the present invention provides a BTB link-based USB expansion device, where the BTB link-based USB expansion device includes a board-to-board connector, a main controller, and a plurality of USB sockets, where the board-to-board connector has a power interface and a USB signal transmission interface, and the main controller is electrically connected to the power interface, the USB signal transmission interface, and each of the USB sockets.
Further, the board-to-board connector also has a system management bus electrically connected with the main controller.
Furthermore, the BTB link-based USB expansion device further comprises a signal conditioning circuit, and the USB signal transmission interface is electrically connected with the main controller through the signal conditioning circuit.
Furthermore, the signal conditioning circuit comprises a signal conditioning chip, and the USB signal transmission interface is electrically connected with the main controller through the signal conditioning chip.
Further, the model of the signal conditioning chip includes PS 8811.
Further, the main controller is a USB HUB controller.
Further, the model of the master controller includes RTS 5420.
Further, the number of the USB seats is four.
Further, the BTB link-based USB expansion device further comprises a power management module, and the power interface is electrically connected with the main controller through the power management module.
In order to achieve the above object, the present invention provides a USB expansion system, which includes a complete device having a motherboard and the USB expansion device based on BTB link, wherein the board-to-board connector is plugged on the motherboard.
Compared with the prior art, the utility model has the beneficial effects that:
the BTB link-based USB expansion device is provided with a board-to-board connector which can be connected with a mainboard of the whole machine in an inserting manner, a plurality of USB seats which are used for externally connecting USB equipment and a main controller which can simultaneously output a group of USB signals output by the mainboard of the whole machine through a USB signal transmission interface to each USB seat, so that when a user needs to increase the USB interface of the whole machine to adapt to more application scenes, the user only needs to connect the board-to-board connector to the mainboard of the whole machine in an inserting manner, the operation is very convenient, and the whole machine does not need to be redesigned; in addition, when the USB interface on the mainboard breaks down and can not be used, only the board-to-board connector needs to be plugged on the mainboard of the whole machine, so that the difficulty and the cost of maintenance are effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a USB expansion device based on BTB link according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a BTB link-based USB expansion device according to another embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring To fig. 1, an embodiment of the present invention provides a USB (Universal Serial Bus) expansion device based on BTB (Board To Board) link, where the USB expansion device based on BTB link includes a Board-To-Board connector 1, a main controller 2, and a plurality of USB sockets 3, where the Board-To-Board connector 1 has a power interface 11 and a USB signal transmission interface 12, and the main controller 2 is electrically connected To the power interface 11, the USB signal transmission interface 12, and each USB socket 3.
In this embodiment, in specific implementation, a USB HUB (so-called HUB, which refers to a multi-port HUB) controller with the model RTS5420 may be used as the main controller 2, but of course, other USB HUB controllers may be used as the main controller 2 as long as the usage requirement can be met, and this embodiment is not limited specifically. When the USB socket is specifically implemented, the number of the USB sockets 3 can be flexibly set according to actual use requirements, and can be 1-4, preferably 4.
The usage principle of the BTB link-based USB expansion device of this embodiment is as follows:
during the use, peg graft board to board connector 1 on the mainboard of complete machine, at this moment, mainboard accessible board is to power supply to main control unit 2 of power interface 11 in the board connector 1, simultaneously, in the use, the USB signal accessible board of mainboard output transmits to main control unit 2 to the signal transmission interface in the board connector 1, and main control unit 2 again with USB signal forward in each USB seat 3. When the USB seat 3 is connected with USB equipment, the USB equipment and the whole machine can communicate with each other.
In the BTB link-based USB expansion device provided in this embodiment, the board-to-board connector 1 capable of being plugged with the motherboard of the complete machine, the plurality of USB sockets 3 for externally connecting USB devices, and the main controller 2 capable of simultaneously outputting a group of USB signals output by the motherboard of the complete machine through the USB signal transmission interface 12 to each USB socket 3 are provided, so that when a user needs to add a USB interface of the complete machine to adapt to more application scenarios (for example, different USB devices need to be simultaneously connected), the board-to-board connector 1 only needs to be plugged into the motherboard of the complete machine, which is very convenient, and the complete machine does not need to be redesigned; in addition, when the USB interface on the mainboard breaks down and can not be used, only the board-to-board connector 1 needs to be plugged on the mainboard of the whole machine, so that the difficulty and the cost of maintenance are effectively reduced.
Further, referring to fig. 2, in an exemplary embodiment, the board-to-board connector 1 further has a system management bus 13, and the system management bus 13 is electrically connected to the main controller 2. Therefore, when the board-to-board connector 1 is plugged on a mainboard of the whole machine, the main controller 2 can realize communication with an embedded controller in the whole machine, and a hardware basis is provided for realizing that the main controller 2 controls the function of the USB socket 3 to be opened or closed according to an opening or closing command issued by the embedded controller.
Further, referring to fig. 2, in an exemplary embodiment, the BTB link-based USB expansion device further includes a signal conditioning circuit 4, and the USB signal transmission interface 12 is electrically connected to the host controller 2 through the signal conditioning circuit 4. Therefore, the signal conditioning circuit 4 is additionally arranged to perform signal enhancement processing on the USB signal, so that the quality of the USB signal can be improved, and the improvement of the communication quality between the whole device and the USB equipment is facilitated. In specific implementation, a signal conditioning chip with a model number PS8811 may be used to perform signal enhancement processing on the USB signal, and at this time, the USB signal transmission interface 12 is electrically connected to the main controller 2 through the signal conditioning chip. Of course, other types of signal conditioning chips or other mature circuit structures may be adopted to process the USB signal as long as the quality of the USB signal can be improved, which is not limited in this embodiment.
Further, referring to fig. 2, in an exemplary embodiment, the BTB link-based USB expansion device further includes a power management module 5, and the power interface 11 is electrically connected to the main controller 2 through the power management module 5. Therefore, the power management module 5 is additionally arranged to manage the electric energy output from the main board to the main controller 2 through the power interface 11 (such as filtering and voltage conversion), so as to improve the working stability of the main controller 2. It should be noted that the specific circuit structure of the power management module 5 is well known to those skilled in the art, and is not described herein.
Correspondingly, an embodiment of the present invention further provides a USB expansion system, which includes a complete machine having a motherboard and the USB expansion device based on BTB link in any of the above embodiments, wherein the board-to-board connector 1 is plugged on the motherboard. In a specific implementation, in order to facilitate the board-to-board connector 1 of the BTB-based linked USB expansion device to be plugged into a motherboard of the whole device, a board-to-board connector 1 that mates with the board-to-board connector 1 may be also disposed on the motherboard.
In this embodiment, the complete device may be a notebook computer, a desktop computer, etc., and thanks to the improvement of the USB expansion device based on BTB link, the USB expansion system of this embodiment has the same technical effect as the USB expansion device based on BTB link, and will not be described herein again.
It should be noted that other contents of the BTB link-based USB expansion device and the USB expansion system disclosed in the present invention can be referred to in the prior art, and are not described herein again.
In addition, it should be noted that the technical solutions in the embodiments may be combined with each other, but must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not to be within the protection scope of the present invention.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The BTB link-based USB expansion device is characterized by comprising a board-to-board connector, a main controller and a plurality of USB seats, wherein the board-to-board connector is provided with a power interface and USB signal transmission interfaces, and the main controller is electrically connected with the power interface, the USB signal transmission interfaces and each USB seat respectively.
2. A BTB link-based USB expansion device according to claim 1, wherein the board-to-board connector further has a system management bus electrically connected with the host controller.
3. The BTB link-based USB expansion device of claim 1, wherein the BTB link-based USB expansion device further comprises a signal conditioning circuit, and the USB signal transmission interface is electrically connected to the host controller through the signal conditioning circuit.
4. The BTB link-based USB expansion device of claim 3, wherein the signal conditioning circuit comprises a signal conditioning chip, and the USB signal transmission interface is electrically connected to the host controller through the signal conditioning chip.
5. A BTB link-based USB expansion device according to claim 4, wherein the signal conditioning chip model number comprises PS 8811.
6. A BTB link-based USB expansion device according to claim 1, wherein the main controller is a USB HUB controller.
7. A BTB link-based USB expansion device according to claim 6, wherein the host controller model comprises RTS 5420.
8. A BTB link-based USB expansion device according to claim 1, wherein the number of USB sockets is four.
9. A BTB link based USB expansion device according to any of claims 1-8, further comprising a power management module, wherein the power interface is electrically connected to the host controller through the power management module.
10. A USB expansion system, comprising a complete machine having a motherboard and the BTB link-based USB expansion device of any one of claims 1 to 9, wherein the board-to-board connector is plugged on the motherboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944156.7U CN215954301U (en) | 2021-08-18 | 2021-08-18 | USB expansion device and USB expansion system based on BTB link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944156.7U CN215954301U (en) | 2021-08-18 | 2021-08-18 | USB expansion device and USB expansion system based on BTB link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215954301U true CN215954301U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121944156.7U Active CN215954301U (en) | 2021-08-18 | 2021-08-18 | USB expansion device and USB expansion system based on BTB link |
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| CN (1) | CN215954301U (en) |
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2021
- 2021-08-18 CN CN202121944156.7U patent/CN215954301U/en active Active
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Effective date of registration: 20231115 Address after: 518000, 4th Floor, No. 31, Xiacun Community, Gongming Street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Baoxinchuang Information Technology Co.,Ltd. Address before: 518000 2nd floor, no.6, huidebao Industrial Park, No.11, second industrial zone, Baihua community, Guangming Street, Guangming District, Shenzhen City, Guangdong Province Patentee before: Shenzhen baoxinchuang Technology Co.,Ltd. |
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