CN217690465U

CN217690465U - MPO optical fiber splicing screen device

Info

Publication number: CN217690465U
Application number: CN202221567975.9U
Authority: CN
Inventors: 刘安荣
Original assignee: Beijing Dongping Lianxiang Technology Co ltd
Current assignee: Beijing Dongping Lianxiang Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-28
Anticipated expiration: 2032-06-22

Abstract

The application provides an MPO optical fiber spliced screen device, which belongs to the technical field of display control and specifically comprises a liquid crystal spliced screen, a first OPS plug-in module and a spliced module which are sequentially connected, wherein the liquid crystal spliced screen and the first OPS plug-in module carry out data transmission through LVDS signals or VbyOne signals; the splicing module comprises a second OPS plug-in module, a power panel and a mainboard, a male connector of the second OPS plug-in module is connected with a female connector of the first OPS plug-in module, the second OPS plug-in module and the mainboard perform data transmission through LVDS signals or VbyOne signals, and the power panel is respectively connected with the second OPS plug-in module and the mainboard; the mainboard internally comprises an SOC master control/decoding chip, and an MPO interface module, a signal interface module and a control interface module which are respectively connected with the SOC master control/decoding chip. Through the processing scheme of this application, equipment structure is simple, and is multiple functional, has reduced the wiring degree of difficulty, has improved and has used the convenience.

Description

MPO optical fiber splicing screen device

Technical Field

The application relates to the technical field of display control, in particular to an MPO optical fiber splicing screen device.

Background

At present, a common spliced screen adopts a pure hardware structure, has no operating system and is flexible and convenient to install. In some projects, the common spliced screen is mainly applied to a display terminal to display and process signals, can meet the application requirements of most display control systems in project engineering, has a very important role in the large screen display industry, and provides a relatively complete solution for a high-definition display control system.

However, the conventional tiled screen has some problems in practical applications. In the installation and construction process, each spliced unit screen is provided with a signal line, a power line, a control line, a jumper wire such as an HDMI/DVI/DP and an RJ45 control line, so that the wiring is a huge project in a large project, and a large amount of manpower and material resources are consumed. The common splicing screen supports very limited input signal formats, generally only supports interfaces such as HDMI, DVI, VGA and the like, and can achieve the purpose of normal on-screen display of optical fiber or network coding signals only by additionally arranging related distributed equipment if optical fiber or network interfaces are required to be used. In addition, the drive control equipment such as the drive board card of ordinary concatenation screen, power cord are protected by the shell is sealed, when the project scene breaks down, need carry out the problem investigation and solve after the equipment is disassembled by professional technical staff, and the maintenance process is loaded down with trivial details and need consume a large amount of manpower and material resources.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present application provides an MPO fiber splicing screen device, which at least partially solves the problems of time and labor consuming wiring and limited signal input format in the prior art.

The embodiment of the application provides an MPO optical fiber splicing screen device, which comprises a liquid crystal splicing screen, a first OPS plug-pull module and a splicing module which are sequentially connected, wherein the liquid crystal splicing screen and the first OPS plug-pull module carry out data transmission through LVDS signals or VbyOne signals;

the splicing module comprises a second OPS plugging module, a power panel and a main board, a male connector of the second OPS plugging module is connected with a female connector of the first OPS plugging module, the second OPS plugging module and the main board perform data transmission through LVDS signals or VbyOne signals, and the power panel is respectively connected with the second OPS plugging module and the main board;

the main board comprises an SOC (System on chip) main control/decoding chip, an MPO (Multi-input-output) interface module, a signal interface module and a control interface module, wherein the MPO interface module, the signal interface module and the control interface module are connected with the SOC main control/decoding chip respectively, the MPO interface module is provided with a first RS232 serial port, an IR (Infrared) interface and a first USB (Universal Serial bus) interface, a receiving interface of the first RS232 serial port receives control data, and the control data are used for controlling a current spliced screen and simultaneously transmit the control data to a next stage through a transmitting interface of the first RS232 serial port.

According to a specific implementation manner of the embodiment of the application, the MPO interface module is connected with an 8-core or 12-core optical fiber jumper, when a transmitting end transmits signals, parallel electric signals are firstly converted into parallel optical signals through a laser driver array, and the parallel optical signals are synchronously transmitted inside the optical fiber jumper; when the receiving end receives the signal, the photoelectric detector array converts the parallel optical signal into a parallel electric signal and outputs the parallel electric signal.

According to a specific implementation manner of the embodiment of the application, the first OPS plug-in module is connected with the interface board of the liquid crystal splicing screen in a pluggable connection manner.

According to a specific implementation manner of the embodiment of the application, the signal interface module comprises an RJ45 interface, an HDMI interface, a DP interface and a VGA interface.

According to a specific implementation manner of the embodiment of the application, the resolution of the MPO interface module is 3840 × 2160@60hz; the HDMI interface is set to be 2 paths of HDMI1.4b interfaces, and the resolution is 3840 × 2160@30Hz; the DP interface is set to be a 1-path DP1.2 interface, and the resolution is 3840 × 2160@60Hz; the VGA interface sets up to 1 way simulation VGA high definition interface, and resolution ratio is 1920 × 1080@60Hz.

According to a specific implementation manner of the embodiment of the application, the control interface module comprises a second RS232 serial port and a second USB interface.

According to a concrete implementation mode of this application embodiment, the inside mains voltage conversion system that is equipped with of power strip, mains voltage conversion system and 220V power interface connection, mains voltage conversion system converts 220V into 24V and gives second OPS plug module power supply, mains voltage conversion system converts 220V into 12V or 5V and gives the mainboard power supply.

According to a specific implementation manner of the embodiment of the application, the SOC master control/decoding chip is provided with an intelligent information source detection module and a decoding signal direct screen-on module.

According to a specific implementation manner of the embodiment of the application, the input resolution of the SOC main control/decoding chip is maximally supported by 3840 × 2160 @60hzand is downward compatible.

According to a specific implementation manner of the embodiment of the present application, a TDMS coding bandwidth of the MPO interface module reaches up to 18GBit, and a display frame rate is a full 4K high frame rate.

Advantageous effects

MPO optic fibre concatenation screen device in this application embodiment through setting up pluggable OPS plug module, when equipment breaks down, only need to change the concatenation module can, convenient replacement maintenance.

Through set up each interface module in the mainboard, realized supporting the signal input of many formats, support the interface commonly used in trades such as MPO, HDMI, VGA, DP, the highest support of input resolution ratio 3840 x 2160@60HZ to downward compatibility.

The MPO interface simultaneously supports various control modes such as signal transmission, RS232 loop control, remote control, upper computer software control and the like, and has signal transmission and control functions.

The intelligent information source detection system has the advantages of intelligent information source detection function, capability of supporting direct screen display of decoded signals, good image display effect, fine and smooth images and convenience in box body splicing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a structural diagram of an MPO fiber splicing screen device according to an embodiment of the present invention.

Detailed Description

Embodiments of the present application are described in detail below with reference to the accompanying drawings.

The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict. 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 application.

It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should be further noted that the drawings provided in the following embodiments are only schematic illustrations of the basic concepts of the present application, and the drawings only show the components related to the present application rather than the numbers, shapes and dimensions of the components in actual implementation, and the types, the numbers and the proportions of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

The embodiment of the application provides an MPO optical fiber spliced screen device, which is described in detail below with reference to fig. 1.

In this embodiment, the MPO optical fiber splicing screen device includes a liquid crystal splicing screen, a first OPS plug-in module and a splicing module, which are connected in sequence, and the liquid crystal splicing screen and the first OPS plug-in module perform data transmission through LVDS signals or VbyOne signals; the splicing module comprises a second OPS plug module, a power panel and a mainboard, a male connector of the second OPS plug module is connected with a female connector of the first OPS plug module, the second OPS plug module and the mainboard perform data transmission through LVDS signals or VbyOne signals, and the power panel is connected with the second OPS plug module and the mainboard respectively. Through being connected second OPS plug module male joint and supporting first OPS plug module female joint, can conveniently replace the maintenance.

The output end of the power panel is respectively connected with the second OPS plug-in module and the mainboard, a power voltage conversion system is arranged inside the power panel, the power voltage conversion system is connected with a 220V power interface, the 220V power conversion system converts the 220V power into 24V power, a 24V voltage output interface on the power panel is connected with the second OPS plug-in module, 24V backlight power supply can be provided for the liquid crystal splicing screen, and the 220V power conversion system converts the 220V power into 12V power or 5V power for the mainboard. Therefore, the device receives standard 220V power input, converts the standard 220V power input into various required voltage values such as 24V, 12V, 5V and the like, and supplies power to the liquid crystal splicing screen through the OPS plug-in module in addition to supplying power to the internal main board.

The main board internally comprises an SOC (System on chip) main control/decoding chip, and an MPO (Multi-input-output) interface module, a signal interface module and a control interface module which are respectively connected with the SOC main control/decoding chip, wherein the MPO interface module is provided with a first RS232 serial port, an IR (Infrared) interface and a first USB (Universal Serial bus) interface, a receiving interface of the first RS232 serial port receives control data, the control data are used for controlling the current spliced screen, and meanwhile, the control data are sent to the next stage through a sending interface of the first RS232 serial port. Therefore, the MPO interface supports various control modes such as RS232 loop control, infrared remote control, upper computer software control and the like, and has signal transmission and control functions.

The signal interface module comprises an RJ45 interface, an HDMI interface, a DP interface and a VGA interface, and the control interface module comprises a second RS232 serial port and a second USB interface. The control port adopts an RJ45 (2 in and 1 out) interface and supports the functions of remote control, RS232 control and UART communication debugging; the USB interface facilitates the later software upgrading and maintenance.

In this embodiment, a signal interface module of the MPO fiber splicing screen device receives signals of various interface types, inputs the signals to an internal image processing chip (SOC master control/decoding chip), and the image processing chip converts the signals into standard LVDS or VbyOne signals and outputs the signals, and transmits the video signals to a terminal liquid crystal display panel for receiving and displaying through an OPS plug-in module. Therefore, the spliced screen in the embodiment supports direct input of multiple signal formats.

In the above embodiment, the MPO interface module is connected to an 8-core or 12-core optical fiber (female) jumper, and when a transmitting end transmits a signal, a parallel electrical signal is first converted into a parallel optical signal by a laser driver array, and the parallel optical signal is synchronously transmitted inside the optical fiber jumper; when the receiving end receives the signal, the photoelectric detector array converts the parallel optical signal into a parallel electric signal and outputs the parallel electric signal.

In one embodiment, the first OPS plug-in module is connected with an interface board of the liquid crystal spliced screen in a pluggable connection manner. The power supply system and the image processing system are subjected to modular processing through the OPS plug-in module, and are butted with an interface board of the liquid crystal splicing screen in a plug-in connection mode, so that the splicing of the device is convenient in use.

In one embodiment, the resolution of the MPO interface module is 3840 × 2160@60hz; the HDMI interface is set to be 2 paths of HDMI1.4b interfaces, and the resolution is 3840 × 2160@30Hz; the DP interface is set as a 1-path DP1.2 interface, and the resolution is 3840 × 2160@60Hz; the VGA interface is set to be a 1-path analog VGA high-definition interface, and the resolution is 1920 x 1080@60Hz. The spliced screen in the embodiment simultaneously supports the input of various signal sources such as digital, optical fiber and analog signal interfaces. It should be noted that the resolution of each interface may be set to other values, and is not limited to the example, and may be adaptively set according to the actual use situation.

The input resolution of the SOC master control/decoding chip is maximally supported 3840 × 2160 @60Hzand is downward compatible, and the processing process of the chip is free of compression and loss.

Furthermore, the TDMS coding bandwidth of the MPO interface module can reach 18GBit at most, the MPO interface module has excellent video decoding capacity, the display frame rate is a full 4K high frame rate, the image display effect on the splicing wall is excellent, and the image is finer and smoother.

In another embodiment, the SOC main control/decoding chip is provided with an intelligent information source detection module and a decoding signal direct screen-loading module, and the SOC chip of the device can support the intelligent information source detection function after being programmed and has the functions of no-signal automatic skipping and routing inspection.

The intelligent information source detection module is used for realizing an intelligent information source detection function under various combined modes, an SOC (system on chip) main control/decoding chip on a mainboard is provided with an MCU (micro control Unit), signal data transmitted by connected signal interfaces can be automatically processed, when no signal data is transmitted by a certain signal interface, the signal interface can be automatically switched to another signal interface for signal data transmission, therefore, the functions of waking up a machine by a signal and entering a power-saving and energy-saving mode by no signal can be realized, the use cost is saved to the greatest extent, and the failure rate of equipment is reduced.

The decoding signal direct screen-on module is used for realizing direct screen-on of the decoding signal, the built-in decoding SoC chip decodes the IP video stream and then restores the IP video stream into a TMDS data stream, the TMDS data stream is transmitted to the SoC chip of the mainboard, and LVDS or VbyOne signals are automatically output to be displayed on the screen with the highest priority. The aim of normal on-screen display can be achieved without configuring related distributed decoding equipment, and the control cost, the installation time and the difficulty are greatly reduced.

The utility model provides a theory of operation of MPO optic fibre concatenation screen device specifically does: the liquid crystal splicing screen is connected with the first OPS plug module, a female joint of the first OPS plug module is connected with a male joint of the second OPS plug module, a 24V voltage output interface on the power panel is connected with the second OPS plug module, 24V backlight power supply can be provided for the liquid crystal splicing screen, and an LVDS output interface or a Vbyone output interface on the mainboard is connected with the second OPS plug module. The signal input interface of the device receives various signals, the signals are output as LVDS or Vbyone signals through an internal professional SoC image processing chip and are transmitted to the second OPS plugging module, the second OPS plugging module transmits the signals to the first OPS plugging module, and the first OPS plugging module transmits the LVDS or Vbyone signals to the upper screen of the liquid crystal panel to display video contents. When the device breaks down, only need separate first OPS plug module and second OPS plug module after, change a normal concatenation module of function again can.

The utility model provides a MPO optic fibre concatenation screen device makes things convenient for maintenance and the fault repair of system, but the wide application is in various engineering projects, if: broadcast television engineering, multimedia conference hall, large screen display engineering, television teaching, command control center and the like.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An MPO optical fiber splicing screen device is characterized by comprising a liquid crystal splicing screen, a first OPS plug-pull module and a splicing module which are sequentially connected, wherein the liquid crystal splicing screen and the first OPS plug-pull module carry out data transmission through LVDS signals or Vbyone signals;

the splicing module comprises a second OPS plug-in module, a power panel and a mainboard, a male connector of the second OPS plug-in module is connected with a female connector of the first OPS plug-in module, the second OPS plug-in module and the mainboard perform data transmission through LVDS signals or VbyOne signals, and the power panel is respectively connected with the second OPS plug-in module and the mainboard;

2. The MPO optical fiber splicing screen device according to claim 1, wherein the MPO interface module is connected with an 8-core or 12-core optical fiber jumper, when a transmitting end transmits signals, parallel electric signals are firstly converted into parallel optical signals through a laser driver array, and the parallel optical signals are synchronously transmitted inside the optical fiber jumper; when the receiving end receives the signal, the photoelectric detector array converts the parallel optical signal into a parallel electric signal and outputs the parallel electric signal.

3. The MPO fiber splicing screen device according to claim 1, wherein the first OPS plug-in module is connected with an interface board of the liquid crystal splicing screen in a pluggable connection manner.

4. The MPO fiber optic splice screen device of claim 1, wherein the signal interface module comprises an RJ45 interface, an HDMI interface, a DP interface, and a VGA interface.

5. The MPO fiber splicing screen device according to claim 4, wherein the resolution of the MPO interface module is 3840 × 2160@60Hz; the HDMI is set to 2 paths of HDMI1.4b interfaces, and the resolution is 3840 x 2160@30Hz; the DP interface is set to be a 1-path DP1.2 interface, and the resolution is 3840 × 2160@60Hz; the VGA interface is set to be a 1-path analog VGA high-definition interface, and the resolution is 1920 x 1080@60Hz.

6. The MPO fiber splicing screen device according to claim 1, wherein the control interface module comprises a second RS232 serial port and a second USB interface.

7. The MPO fiber splicing screen device according to claim 1, wherein a power supply voltage conversion system is arranged inside the power supply board, the power supply voltage conversion system is connected with a 220V power supply interface, the power supply voltage conversion system converts 220V into 24V to supply power to the second OPS plug-pull module, and the power supply voltage conversion system converts 220V into 12V or 5V to supply power to the main board.

8. The MPO optical fiber splicing screen device according to claim 1, wherein the SOC master control/decoding chip is provided with an intelligent information source detection module and a decoding signal direct screen-on module.

9. The MPO fiber splicing screen device according to claim 1, wherein the input resolution of the SOC master control/decoding chip is maximally supported by 3840 x 2160@60Hz and is downward compatible.

10. The MPO fiber splicing screen device according to claim 1, wherein the TDMS coding bandwidth of the MPO interface module is up to 18GBit, and the display frame rate is a full 4K high frame rate.