CN208987097U - Vision signal extends device - Google Patents
Vision signal extends device Download PDFInfo
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- CN208987097U CN208987097U CN201821798535.8U CN201821798535U CN208987097U CN 208987097 U CN208987097 U CN 208987097U CN 201821798535 U CN201821798535 U CN 201821798535U CN 208987097 U CN208987097 U CN 208987097U
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Abstract
It includes coding module that a kind of vision signal, which extends device, decoder module and PC machine, the coding module includes TX video coding chip, the Sil9293 chip being connected with TX video coding chip and PC machine, and RJ45 network interface and outlet, the decoder module mainly includes RX video decoding chip, the ADV video interface chip being connected with RX video decoding chip, the decoder module also has the A type single-chip microcontroller and at least one USB interface connecting with A type single-chip microcontroller being connected with RX video decoding chip, the coding module also has the Type B single-chip microcontroller being connected with PC machine and TX coding chip.Its structure is simply at low cost, the external equipments such as display, keyboard, mouse and PC machine separately can work, and has multiple USB2.0 interfaces.
Description
[technical field]
The utility model relates to computer communication complex field, specially a kind of vision signal extends device.
[background technique]
In practical engineering applications, such as in the fields such as high-definition video monitoring, electric power system dispatching, blank pipe service is required
Device and monitoring room separation, and it is all higher to transmission of video delay and clarity requirement, and vision signal is longer in the prior art
When the transmission of distance, image ghost image can be generated, the problems such as cross-color, and the keyboard and mouses that cover is needed to cut in actual production more
Control is changed, the prior art is perfect not enough.
It can be seen that providing a kind of improved vision signal extends the problem of device is this field urgent need to resolve.
[utility model content]
The utility model extends device in view of the above-mentioned problems, providing a kind of vision signal, structure is simple and at low cost,
The external equipments such as display, keyboard, mouse and PC machine can separately be worked, and there are multiple USB2.0 interfaces.
To solve the above problems, it includes coding module, decoder module and PC machine that the utility model vision signal, which extends device,
The coding module includes power supply, the USB interface and HDMI interface for connecting PC machine, and the decoder module includes power supply, connection mouse
USB interface, the HDMI display of mark and keyboard, the coding module and the decoder module pass through RJ45 network interface and cable
Realize strange land connection, the vision signal extend device coding module further include TX video coding chip, be located at USB interface and
Type B single-chip microcontroller between TX video coding chip, the Sil9232 chip between HDMI interface and TX video coding chip,
The decoder module also has the RX video decoding chip connecting with TX video coding chip by RJ45 network interface and cable,
Be connected to the ADV video interface chip between RX video decoding chip and HDMI display, be connected to RX video decoding chip and
A type single-chip microcontroller between USB interface.
Further, the connection of the TX video coding chip and RX video decoding chip and RJ45 network interface is double
To connection.
Further, the vision signal that PC machine issues enters TX Video coding core via HDMI interface and Sil9232 chip
Piece processing, then the decoding of RX video decoding chip is entered by RJ45 network interface and cable, by ADV video interface core after decoding
Piece enters HDMI display and is shown.
Further, the keyboard and the signal of mouse input enter RX video decoding chip via A type single-chip microcontroller, then lead to
It crosses RJ45 network interface and cable is transferred to TX video coding chip, PC machine, PC machine processing are entered by Type B single-chip microcontroller after coding
Enter the processing of TX video coding chip by by HDMI interface and Sil9232 chip, then by RJ45 network interface and cable into
Enter the decoding of RX video decoding chip, enters HDMI display by ADV video interface chip after decoding and shown.
Further, the Type B chip is connect by USB1.1 interface with PC machine, and connection type is plug and play, exempts to pacify
Fill the electrification hot plug of driving.
Further, in the coding module, Type B single-chip microcontroller and Sil9232 chip pass through integrated circuit and TX video
Coding chip connection.
Further, in the decoder module, A type single-chip microcontroller and ADV video interface chip are connected to by integrated circuit
RX video decoding chip.
Further, the USB interface of the connection mouse and keyboard is USB2.0 interface, and its quantity is at least 1.
Furthermore the utility model structure is simple and at low cost, can be by the external equipments such as display, keyboard, mouse and PC
Machine separately works, and has and connect multiple USB2.0 interfaces.
[Detailed description of the invention]
Fig. 1 is the structural block diagram that vision signal extends device in the utility model.
[specific embodiment]
Referring to Fig. 1, the composed structure that the utility model vision signal extends device is given comprising coding module, solution
Code module and PC machine, the decoder module and the coding module are connected by RJ45 network interface with cable realization strange land, institute
Stating coding module includes that Type B single-chip microcontroller, tool connect there are three TX video coding chip, Sil9293 chip, the RJ45 network of interface
Mouth, USB1.1 interface, outlet, the decoder module includes A type single-chip microcontroller, there are three the RX video of interface decoding cores for tool
Piece, ADV video interface chip, HDMI display, RJ45 network interface, power cord jack and several USB2.0 interfaces.Institute
It states PC machine to connect by USB1.1 interface with Type B single-chip microcontroller, connection type is plug and play, and the band electric heating for exempting from installation driving is inserted
It pulls out.The video card of PC machine is connected by HDMI interface with Sil9293 chip, and Sil9293 chip is reconnected in TX video coding chip
The 1st interface, the 1st interface of RX video decoding chip of the decoder module is connected with A type single-chip microcontroller, the 2nd interface and ADV video
Interface chip is connected, and ADV video interface chip one end is connected with above-mentioned RX video decoding chip, and the other end is connected with display.
Described A type single-chip microcontroller one end is connect with the 1st interface of RX video decoding chip, and the other end connects several USB2.0 interfaces.It is described
The RJ45 network interface of the interface 3 connect coding module of TX video coding chip, the interface 3 of the RX video decoding chip
The RJ45 network interface of decoder module is connected, furthermore the connection between above-mentioned each chip is integrated circuit connection.
The HDMI signal of PC machine input enters TX video coding chip after Sil9293 chip and is encoded, and passes through
The cable that signal after coding is connected by the RJ45 network interface of coding module is entered by the RJ45 network interface of decoder module
Decoder module.Signal into decoder module enters RX video decoding chip and is decoded processing, final decoded signal by
ADV video interface chip enters HDMI display.
Several USB2.0 interfaces of decoder module are separately connected the equipment such as mouse and keyboard, what mouse and keyboard inputted
After usb signal enters TX video coding chip and Type B single-chip microcontroller by cable after A type single-chip microcontroller and RX video decoding chip
PC machine is entered back into, PC machine will enter TX video coding chip by Sil9293 chip after signal processing and encode later, warp
The cable that signal after crossing coding is connected by the RJ45 network interface of coding module by the RJ45 network interface of decoder module into
Enter decoder module.Enter RX video decoding chip into the signal after the coding of decoder module and is decoded processing, it is final to decode
Signal afterwards enters HDMI display by ADV video interface chip.The present apparatus can will be set outside mouse, keyboard, display etc.
It is standby separately to work with PC machine, also ensure that vision signal in the transmission of relatively long distance, will not produce while realizing strange land operation
The problem of raw image ghost image and cross-color.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of vision signal extends device, including coding module, decoder module and PC machine, the coding module include power supply,
The USB interface and HDMI interface of PC machine are connected, the decoder module includes power supply, USB interface, the HDMI for connecting mouse and keyboard
Display, which is characterized in that the coding module and the decoder module are connected by RJ45 network interface and cable realization strange land
It connects, the coding module that the vision signal extends device further includes TX video coding chip, is located at USB interface and TX Video coding
Type B single-chip microcontroller between chip, the Sil9232 chip between HDMI interface and TX video coding chip, the decoding mould
Block also has the RX video decoding chip connecting with TX video coding chip by RJ45 network interface and cable, is connected to RX view
ADV video interface chip between frequency decoding chip and HDMI display is connected between RX video decoding chip and USB interface
A type single-chip microcontroller.
2. vision signal according to claim 1 extends device, which is characterized in that the TX video coding chip and RX view
Frequency decoding chip and the connection of RJ45 network interface are bi-directionally connected.
3. vision signal according to claim 2 extends device, which is characterized in that the vision signal that PC machine issues via
HDMI interface and Sil9232 chip enter the processing of TX video coding chip, then enter RX view by RJ45 network interface and cable
The decoding of frequency decoding chip, enters HDMI display by ADV video interface chip after decoding and is shown.
4. vision signal according to claim 2 extends device, which is characterized in that the signal of the keyboard and mouse input
Enter RX video decoding chip via A type single-chip microcontroller, then TX video coding chip be transferred to by RJ45 network interface and cable,
PC machine is entered by Type B single-chip microcontroller after coding, through entering TX Video coding by HDMI interface and Sil9232 chip after PC machine processing
Chip processing, then the decoding of RX video decoding chip is entered by RJ45 network interface and cable, by ADV video interface after decoding
Chip enters HDMI display and is shown.
5. vision signal according to claim 1 extends device, which is characterized in that the Type B chip is connect by USB1.1
Mouth is connect with PC machine, and connection type is plug and play, exempts from the electrification hot plug of installation driving.
6. vision signal according to claim 1 extends device, which is characterized in that in the coding module, Type B single-chip microcontroller
Pass through integrated circuit with Sil9232 chip to connect with TX video coding chip.
7. vision signal according to claim 1 extends device, which is characterized in that in the decoder module, A type single-chip microcontroller
RX video decoding chip is connected to by integrated circuit with ADV video interface chip.
8. vision signal according to claim 1 extends device, which is characterized in that the USB of the connection mouse and keyboard
Interface is USB2.0 interface, and its quantity is at least 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821798535.8U CN208987097U (en) | 2018-11-02 | 2018-11-02 | Vision signal extends device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821798535.8U CN208987097U (en) | 2018-11-02 | 2018-11-02 | Vision signal extends device |
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| CN208987097U true CN208987097U (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821798535.8U Active CN208987097U (en) | 2018-11-02 | 2018-11-02 | Vision signal extends device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114095669A (en) * | 2021-10-20 | 2022-02-25 | 瑞芯微电子股份有限公司 | Multi-input multi-output video bridging chip |
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2018
- 2018-11-02 CN CN201821798535.8U patent/CN208987097U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114095669A (en) * | 2021-10-20 | 2022-02-25 | 瑞芯微电子股份有限公司 | Multi-input multi-output video bridging chip |
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