CN208987077U - Vision signal transparent transmission extends device - Google Patents
Vision signal transparent transmission extends device Download PDFInfo
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- CN208987077U CN208987077U CN201821798541.3U CN201821798541U CN208987077U CN 208987077 U CN208987077 U CN 208987077U CN 201821798541 U CN201821798541 U CN 201821798541U CN 208987077 U CN208987077 U CN 208987077U
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Abstract
It includes coding module that a kind of vision signal transparent transmission, which extends device, decoder module and PC machine, the coding module has TX video coding chip, Sil9293 chip, the decoder module has RX video decoding chip, ADV video interface chip, the coding module also has the HUB chip being connected with PC machine, 3F9B chip and Type B single-chip microcontroller, the decoder module also has A type single-chip microcontroller, 3F9A chip, the present apparatus can be by mouse, keyboard, the external equipments such as display separately work with PC machine, and the equipment such as USB flash disk connected by USB3.0 interface are without being connected in PC machine, also ensure vision signal in the transmission of relatively long distance while realizing strange land operation, the problems such as image ghost image and cross-color will not be generated.
Description
[technical field]
The utility model relates to computer communication complex field, specially a kind of vision signal transparent transmission 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]
For the utility model in view of the above-mentioned problems, providing a kind of vision signal transparent transmission extension device, structure is simple
At low cost, the present apparatus can separately work the external equipments such as mouse, keyboard, display and PC machine, and be connect by USB3.0
The equipment such as the USB flash disk that mouth is connected also ensure vision signal longer without being connected in PC machine while realizing strange land operation
When the transmission of distance, the problems such as image ghost image and cross-color will not be generated.
It includes coding module, decoder module and PC machine, the coding module that a kind of vision signal transparent transmission, which extends device,
Including power supply, the USB interface connecting with PC machine and HDMI interface, pass through the RJ45 net of cable connect coding module and decoder module
Network interface, the PC machine receive signal by USB interface and HDMI interface respectively and issue signal, and the decoder module includes electricity
Source, HDMI display, RJ45 network interface, the coding module further include TX video coding chip, are electrically connected at HDMI and connect
Mouthful and TX video coding chip between Sil9232 chip, connect by USB interface with PC machine HUB chip, respectively electrical property connect
The Type B single-chip microcontroller and 3F9B chip being connected between TX video coding chip and HUB chip, the decoder module further include and RJ45
The connected RX video decoding chip of network interface, the ADV view being electrically connected between HDMI display and RX video decoding chip
Frequency interface chip, the A type single-chip microcontroller being connect respectively with RX video decoding chip and 3F9A chip, respectively with A type single-chip microcontroller and
The USB interface of 3F9A chip connection.
Further, the USB interface connecting with the 3F9A chip is USB3.0 interface, and quantity is at least 1, and connects
The equipment of non-HID protocol.
Further, the Type B single-chip microcontroller is connect by USB1.1 interface with PC machine, and connection type is plug and play, is exempted from
The electrification hot plug of driving is installed.
Further, the USB interface for connecting the A type single-chip microcontroller is USB2.0 interface, and quantity is at least 1, and connects
HID protocol equipment.
It further, is two-way between the TX video coding chip and RX video decoding chip and RJ45 network interface
Connection, the coding module in strange land are connected with decoder module by cable.
Further, the usb signal inputted by USB3.0 interface or the usb signal inputted by USB2.0 interface, point
TX video is not input to by RJ45 network interface and cable after 3F9A chip and A type single-chip microcontroller enter RX video decoding chip
Coding chip enters HUB chip by 3F9B or Type B single-chip microcontroller again after coding, then enters PC machine, PC machine processing by HUB chip
Signal afterwards enters TX video coding chip after Sil9293 chip and is encoded, and the signal after coding is by RJ45
The RX video decoding chip that network interface connection and cable enter in decoder module is decoded processing, final decoded signal
HDMI display is entered by ADV video interface chip.
Furthermore the present apparatus can separately work the external equipments such as mouse, keyboard, display and PC machine, and pass through
The equipment such as the USB flash disk that USB3.0 interface is connected also ensure that video is believed while realizing strange land operation without being connected in PC machine
Number in the transmission of relatively long distance, the problems such as image ghost image and cross-color will not be generated.
[Detailed description of the invention]
Fig. 1 is the structural block diagram that vision signal transparent transmission extends device in the utility model.
[specific embodiment]
Referring to Fig. 1, the composed structure that the utility model vision signal transparent transmission extends device is given comprising coding
Module, decoder module and PC machine, the coding module includes Type B single-chip microcontroller, there are three the TX video coding chips of interface, place for tool
Manage the Sil9293 chip and 3F9B chip, the HUB chip, the RJ45 that play line concentration and extension of non-HID protocol equipment usb signal
Network interface, USB1.1 interface, the decoder module include A type single-chip microcontroller, tool there are three interface RX video decoding chip,
ADV video interface chip, 3F9A chip, HDMI display, RJ45 network interface, outlet, several USB2.0 interfaces and
Several USB3.0 interfaces are two-way between the TX video coding chip and RX video decoding chip and RJ45 network interface
Connection, the coding module in strange land are connected with decoder module by cable.
The PC machine of the coding module is connect by USB1.1 interface with HUB chip, and HUB chip is also connected with a Type B list
Piece machine and a 3F9B chip, the 3F9B chip and Type B single-chip microcontroller are connected to the 1st interface of TX video coding chip, PC machine
Video card is connected by HDMI interface with Sil9293 chip, and Sil9293 chip is reconnected in the 2nd interface of TX video coding chip,
The interface 3 of the RX video decoding chip of the decoder module is connected with RJ45 network interface, the 1st interface and ADV video interface
Chip is connected, and ADV video interface chip one end is connected with above-mentioned the 1st interface of RX video decoding chip, the other end and display phase
Even.Described A type single-chip microcontroller one end is connected with one end of 3F9A, and the 2nd interface of RX video decoding chip, A type monolithic are accessed after summarizing
The machine other end connects several USB2.0 interfaces, and the 3F9A chip other end connects several USB3.0 interfaces.
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.Enter RX video decoding chip into the signal after the coding of decoder module and be decoded processing, after final decoding
Signal HDMI display is entered by ADV video interface chip.
Several USB2.0 interfaces of decoder module are separately connected the HID protocols equipment such as mouse and keyboard, mouse and keyboard
The usb signal of input enters TX video coding chip and Type B list by cable after A type single-chip microcontroller and RX video decoding chip
Piece machine enters PC machine by HUB chip again later, and treated that signal enters TX video volume after Sil9293 chip for PC machine
Code chip is encoded, and the signal after coding passes through decoder module by the cable that the RJ45 network interface of coding module connects
RJ45 network interface enter decoder module.Enter RX video decoding chip into the signal after the coding of decoder module to be solved
Code processing, final decoded signal enter HDMI display by ADV video interface chip.
Several USB3.0 interfaces of decoder module are separately connected the setting in addition to HID protocol such as USB flash disk, printer, fingerprint instrument
Standby, the usb signal of input is after 3F9A chip enters RX video decoding chip by the cable of two RJ45 network interfaces of connection
It is input to TX video coding chip, PC machine is entered by 3F9B and HUB chip again after coding, treated that signal passes through for PC machine
TX video coding chip is entered after Sil9293 chip to be encoded, by coding after signal by coding module RJ45 net
The cable of network interface connection, which enters the RX video decoding chip in decoder module by the RJ45 network interface of decoder module, to carry out
Decoding process, final decoded signal enter HDMI display by ADV video interface chip.The present apparatus can be by mouse, key
The external equipments such as disk, display and PC machine separately work, and the equipment such as USB flash disk connected by USB3.0 interface are without connection
In PC machine, also ensure that vision signal in the transmission of relatively long distance, will not generate image weight while realizing strange land operation
The problems such as shadow 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 (6)
1. a kind of vision signal transparent transmission extends device, including coding module, decoder module and PC machine, the coding module packet
Include power supply, the USB interface connecting with PC machine and HDMI interface, by the RJ45 network of cable connect coding module and decoder module
Interface, the PC machine receive signal by USB interface and HDMI interface respectively and issue signal, and the decoder module includes electricity
Source, HDMI display, RJ45 network interface, which is characterized in that the coding module further includes TX video coding chip, electrically connects
Be connected to the Sil9232 chip between HDMI interface and TX video coding chip, the HUB chip being connect with PC machine by USB interface,
Type B single-chip microcontroller and 3F9B chip between TX video coding chip and HUB chip is electrically connected, the decoder module is also
Including be connected with RJ45 network interface RX video decoding chip, be electrically connected at HDMI display and RX video decoding chip it
Between ADV video interface chip, the A type single-chip microcontroller that is connect respectively with RX video decoding chip and 3F9A chip, respectively with A type list
The USB interface that piece machine is connected with 3F9A chip.
2. vision signal transparent transmission according to claim 1 extends device, which is characterized in that connect with the 3F9A chip
The USB interface connect is USB3.0 interface, and quantity is at least 1, and the equipment for connecting non-HID protocol.
3. vision signal transparent transmission according to claim 1 extends device, which is characterized in that the Type B single-chip microcontroller is logical
It crosses USB1.1 interface to connect with PC machine, connection type is plug and play, exempts from the electrification hot plug of installation driving.
4. vision signal transparent transmission according to claim 1 extends device, which is characterized in that connect the A type monolithic
The USB interface of machine is USB2.0 interface, and quantity is at least 1, and connects HID protocol equipment.
5. vision signal transparent transmission according to claim 1 extends device, which is characterized in that the TX Video coding core
It is to be bi-directionally connected between piece and RX video decoding chip and RJ45 network interface, coding module and decoder module in strange land
It is connected by cable.
6. vision signal transparent transmission according to claim 2 extends device, which is characterized in that described by USB3.0 interface
The usb signal of input or the usb signal inputted by USB2.0 interface enter RX view by 3F9A chip and A type single-chip microcontroller respectively
TX video coding chip is input to by RJ45 network interface and cable after frequency decoding chip, passes through 3F9B or Type B list again after coding
Piece machine enters HUB chip, then enters PC machine by HUB chip, and treated that signal enters TX after Sil9293 chip for PC machine
Video coding chip is encoded, and the signal after coding is entered in decoder module by the connection of RJ45 network interface and cable
RX video decoding chip is decoded processing, and final decoded signal enters HDMI display by ADV video interface chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821798541.3U CN208987077U (en) | 2018-11-02 | 2018-11-02 | Vision signal transparent transmission extends device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821798541.3U CN208987077U (en) | 2018-11-02 | 2018-11-02 | Vision signal transparent transmission extends device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208987077U true CN208987077U (en) | 2019-06-14 |
Family
ID=66790131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821798541.3U Active CN208987077U (en) | 2018-11-02 | 2018-11-02 | Vision signal transparent transmission extends device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208987077U (en) |
-
2018
- 2018-11-02 CN CN201821798541.3U patent/CN208987077U/en active Active
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