CN212413300U

CN212413300U - Large-screen visual display operation device

Info

Publication number: CN212413300U
Application number: CN202021248405.4U
Authority: CN
Inventors: 张振华; 戴文军
Original assignee: Nanjing Atwswitch Information Technology Co ltd
Current assignee: Nanjing Atwswitch Information Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-01-26
Anticipated expiration: 2030-06-30

Abstract

The utility model provides a large-size screen visual show returns and shows operating means, it includes host computer, coding device, decoding device and switch, the host computer includes sound card, display card and a plurality of USB interface, coding device includes a CPU, connect a video distribution chip on the CPU, be connected with the FPGA module on the video distribution chip, connect a plurality of video output interfaces through the FPGA module, every video output interface connection display, decoding device includes a CPU, be connected with the USB interface on the CPU, a plurality of HDMI interfaces, audio output interface and RJ45 net gape, wherein be connected with external equipment on the USB interface, all connect a display on every HDMI interface. The utility model discloses the visual show back of large-screen operation device that shows simple structure is with low costs, and video distribution chip and FPGA module through coding device realize the multiple operation of picture, make things convenient for seat operating personnel's control and management, avoid the picture undersize scheduling problem that the single screen caused.

Description

Large-screen visual display operation device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a computer communication field specifically is a large-size screen visual display operation device that shows back.

[ background of the invention ]

The large-screen data visualization display technology is a hot topic at present, the information visualization demand is rapidly expanded along with the rapid increase of social informatization, and especially in important places such as monitoring centers, command centers and dispatching centers, a large-screen display system becomes an indispensable core infrastructure; the large-screen display system is used as a display tool, not only images and data signals are transmitted to a large screen to be displayed to a user, but also massive data information needs to be analyzed efficiently and displayed visually, and management decision-making personnel are helped to discover the relation and the rule behind the data, so that reference is provided for scientific decision-making.

The large-screen visual display system and the large-screen visual display equipment adopted at the present stage take large-screen display as a design key point, but are very inconvenient for a seat operator managing the large-screen display system, an operating device adopted by the seat at the present stage generally comprises a computer host and a display, the display content of the spliced large screen is synchronously displayed in the display, but the synchronous display of the spliced large-screen display content on a small display can cause undersize of pictures, and the watching of the seat operator is seriously influenced.

Therefore, the problem that the large-screen visual display and redisplay operation device which is convenient for a seat operator to use is continuously solved in the field is solved.

[ Utility model ] content

To the problem, the utility model discloses the visual show playback operation device of big screen simple structure is with low costs, and video distribution chip and FPGA module through coding device realize the multiple operation of picture, make things convenient for seat operating personnel's control and management, avoid the picture undersize scheduling problem that the single screen caused.

In order to solve the above problems, the large-screen visual display playback operation device of the present invention comprises a host for inputting audio/video signals, an encoding device connected to the host for data processing, a decoding device connected to the encoding device for data processing, and a switch for connecting the encoding device and the decoding device, wherein the host comprises a sound card for inputting analog audio signals, a video card for inputting analog video signals, and a plurality of USB interfaces, the encoding device comprises a CPU, the CPU is connected to a video distribution chip, the video distribution chip is connected to an FPGA module, the FPGA module is connected to a plurality of video output interfaces, each video output interface is connected to a display for the operator, the decoding device comprises a HI3536 type CPU, the CPU is connected to a USB interface, a plurality of HDMI interfaces, an audio output interface, and an RJ45 gateway, wherein the USB interface is connected with an external device, and each HDMI interface is connected with a display.

Furthermore, a DP interface is connected to the video distribution chip and connected to a display card of the host, and analog video signals in the display card enter the video distribution chip through the DP interface.

Furthermore, an analog audio interface, a single chip microcomputer and an RJ45 network port are connected to a CPU of the encoding device, a keyboard and a mouse driver are arranged in the single chip microcomputer, and the analog audio interface and the single chip microcomputer are respectively connected with a sound card and a USB interface on the host.

Further, the CPU model of the encoding device is HI3519, the video distribution chip adopts an LT86102 chip, and the single chip microcomputer adopts STM32f 103.

Further, the switch comprises a first switch connected to the RJ45 port in the encoding device and a second switch connected to the RJ45 port in the decoding device, and the first switch and the second switch are connected through a wired or wireless network.

Furthermore, the utility model discloses the visual show back of large-screen operation device simple structure is with low costs, and video distribution chip and FPGA module through coding device realize the multiple operation of picture, make things convenient for seat operating personnel's control and management, avoid the picture undersize scheduling problem that the single screen caused.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the large-screen visual display playback operating device of the present invention.

[ detailed description ] embodiments

The directional terms of the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are only used for explaining and explaining the present invention, but not for limiting the scope of the present invention.

Referring to fig. 1, the utility model discloses the visual show of large-screen shows back and shows operating means's component structure, its including the host computer that is used for audio and video signal input, be connected with the host computer and carry out data processing's coding device, be connected with coding device and be used for data processing's decoding device, connect coding device and decoding device's switch.

The host comprises a sound card for simulating audio signal input, a display card for simulating video signal input and a plurality of USB interfaces.

The encoding device comprises a CPU, a video distribution chip is connected to the CPU, an FPGA module is connected to the video distribution chip, a plurality of video output interfaces are connected through the FPGA module, and each video output interface is connected with a display used by an operator in a seat. The video distribution chip is connected with a DP interface, the DP interface is connected with a display card of the host, and analog video signals in the display card enter the video distribution chip through the DP interface.

The CPU of the coding device is also connected with an analog audio interface, a singlechip and an RJ45 network port, the singlechip is internally provided with a keyboard and a mouse driver, and the analog audio interface and the singlechip are respectively connected with a sound card and a USB interface on the host.

The CPU model of the encoding device is HI3519, the video distribution chip adopts an LT86102 chip, and the single chip microcomputer adopts STM32f 103.

The decoding device comprises a HI3536 type CPU, wherein the CPU is connected with a USB interface, a plurality of HDMI interfaces, an audio output interface and an RJ45 network port, the USB interface is connected with external equipment such as a mouse and a keyboard, each HDMI interface is connected with a display, the plurality of displays form a spliced large screen, and the audio output interface is connected with a sound box.

The switch comprises a first switch connected to the RJ45 network port in the encoding device and a second switch connected to the RJ45 network port in the decoding device, and the first switch and the second switch are connected through a wired or wireless network.

The utility model discloses the visual show back of large-size screen shows operating means's theory of operation as follows:

the video signal in the host display card enters a video distribution chip of the encoding device through a DP interface of the encoding device, enters a CPU of the encoding device after being cut by the video distribution chip, is processed by the CPU to convert an analog video signal into a digital signal, the converted digital signal enters an exchanger through an RJ45 network port of the encoding device, enters a decoding device through the exchanger, and the digital signal is converted into the analog signal by the CPU of the decoding device and then is transmitted to a display through an HDMI interface to be output. Analog audio signals in the sound card of the host computer enter a CPU of the encoding device through an analog audio interface of the encoding device, are converted into digital signals through the processing of the CPU, enter the CPU of the decoding device through an RJ45 network port and a singlechip, are converted into analog audio signals through the processing of the CPU of the decoding device, and are output through an audio output interface and an audio box. The external equipment comprises a mouse and a keyboard, commands input by the mouse and the keyboard enter a CPU of the decoding device through a USB interface, the decoding device CPU is processed and then transmitted to the CPU of the encoding device through an RJ45 network port and an exchanger, and the CPU controls an FPGA module to execute operations such as amplification, reduction, switching and the like according to instructions of the keyboard and the mouse.

The utility model discloses the visual show back of large-screen operation device that shows simple structure is with low costs, and video distribution chip and FPGA module through coding device realize the multiple operation of picture, make things convenient for seat operating personnel's control and management, avoid the picture undersize scheduling problem that the single screen caused.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A large-screen visual display operation device comprises a host used for audio and video signal input, an encoding device connected with the host and used for data processing, a decoding device connected with the encoding device and used for data processing, and a switch connected with the encoding device and the decoding device, and is characterized in that the host comprises a sound card used for simulating audio signal input, a display card used for simulating video signal input, and a plurality of USB interfaces, the encoding device comprises a CPU (central processing unit), the CPU is connected with a video distribution chip, the video distribution chip is connected with an FPGA (field programmable gate array) module, the FPGA module is connected with a plurality of video output interfaces, each video output interface is connected with a display used by a seat operator, the decoding device comprises a HI3536 type CPU, the CPU is connected with a USB interface, a plurality of HDMI interfaces, an audio output interface and an RJ45 network port, wherein the USB interface is connected with an external device, and each HDMI interface is connected with a display.

2. The large-screen visual display and playback operation device according to claim 1, wherein a DP interface is connected to the video distribution chip, the DP interface is connected to a display card of the host, and analog video signals in the display card enter the video distribution chip through the DP interface.

3. The large-screen visual display and playback operation device according to claim 1, wherein the CPU of the encoding device is further connected with an analog audio interface, a single chip microcomputer and an RJ45 network port, the single chip microcomputer is internally provided with a keyboard and mouse driver, and the analog audio interface and the single chip microcomputer are respectively connected with a sound card and a USB interface on the host.

4. The large-screen visual display and playback operation device according to claim 1, wherein the CPU model of the encoding device is HI3519, the video distribution chip is an LT86102 chip, and the single chip microcomputer is an STM32f 103.

5. The large-screen visual display and playback operating device according to claim 1, wherein the switch comprises a first switch connected to an RJ45 port in the encoding device and a second switch connected to an RJ45 port in the decoding device, and the first switch and the second switch are connected through a wired or wireless network.