CN216053835U - Optical fiber and network transmission distributed spliced screen - Google Patents
Optical fiber and network transmission distributed spliced screen Download PDFInfo
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- CN216053835U CN216053835U CN202120743218.1U CN202120743218U CN216053835U CN 216053835 U CN216053835 U CN 216053835U CN 202120743218 U CN202120743218 U CN 202120743218U CN 216053835 U CN216053835 U CN 216053835U
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Abstract
The utility model belongs to the technical field of wall type huge curtain equipment, and particularly relates to an optical fiber and network transmission distributed spliced screen. Each sub-module of the utility model can collect the coding data accessed by the optical fiber or the network switch. Each screen directly enters a large-screen display unit after being coded and decoded by a professional processing chip, all display units are connected into a large distributed coding and decoding splicing wall in a serial hand-held optical fiber connection mode, each display unit can call any signal source in the system, a window with any size is opened at any position of the whole system for video splicing display, and the functions of moving, roaming, picture segmentation and the like of images of the signal sources can be supported. The system can greatly reduce the construction and wiring cost and can meet the requirement of long-distance transmission.
Description
Technical Field
The utility model belongs to the technical field of wall type huge curtain equipment, and particularly relates to an optical fiber and network transmission distributed spliced screen.
Background
The splicing display wall is the mainstream application in the display and control industry in the future, integrates the main functions of a splicing screen of a distributed transmission system, expands the functions of network video decoding splicing display, and is mainly applied to national defense and military display and control systems; a safe city command system; railway (high-speed rail), port, dock monitoring systems; an intelligent traffic management monitoring system; a power dispatching monitoring system; a large-scale plant and mine monitoring system; a financial management monitoring system; television stations or large-scale broadcasting centers monitor curtain walls and various large-scale performance places and are accepted by more and more users.
The common optical fiber and network transmission distributed spliced screen adopts a pure hardware structure, has no operating system and is flexible and convenient to install.
The interface mainly supports common signal input interfaces in the industries such as HDMI, DVI, VGA, CVBS and the like, and simultaneously supports control modes such as RS232 loop connection, infrared remote control and the like.
In some projects, the common spliced screen is mainly applied to a display terminal to display and process signals. The split type spliced screen mainly brings more convenient application to signal types, power transmission and plug-in after-sale maintenance, can meet application requirements of most display control systems in engineering, has very important effect in the large screen display industry, and provides a relatively complete solution for a high-definition display control system.
In the project installation and construction process of a general display control system, each spliced unit screen is provided with a signal line, a power line and a control line, and the split spliced screen is also provided with a power line, a high definition multimedia interface/digital video interface/digital processing (HDMI/DVI/DP) jumper wire and a radio interface connector (RJ 45) control line, so that the wiring is a huge project in large projects, and a large amount of manpower and material resources are consumed. In addition, the common splicing screen supports very limited input signal formats, generally only supports interfaces such as HDMI, DVI, VGA and the like, and if an optical fiber or network interface exists, the purpose of normally displaying an optical fiber or network coding signal on the screen can be achieved by additionally arranging related distributed equipment.
SUMMERY OF THE UTILITY MODEL
The utility model provides an optical fiber and network transmission distributed splicing screen, wherein each sub-module can collect coded data accessed through an optical fiber or a network switch. Each screen directly enters a large-screen display unit after being coded and decoded by a professional processing chip, all display units are connected into a large distributed coding and decoding splicing wall in a serial hand-held optical fiber connection mode, each display unit can call any signal source in the system, a window with any size is opened at any position of the whole system for video splicing display, and the functions of moving, roaming, picture segmentation and the like of images of the signal sources can be supported. The system can greatly reduce the construction and wiring cost and can meet the requirement of long-distance transmission.
In order to achieve the technical purpose, the utility model adopts the following specific technical scheme:
an optical fiber and network transmission distributed spliced screen comprises a power supply module, an independent case, an interface board and a display;
the power supply module comprises a power supply inlet, a power supply outlet and a power supply voltage conversion system which are connected in sequence; the power supply inlet and the power supply outlet are used for connecting power lines; the power supply voltage conversion system is used for converting voltage, supplying power to the independent case and the display and outputting original voltage which is the same as the power supply line voltage to the power supply outlet;
the independent case comprises a signal input module, a signal processing module, a calculation module and a signal output module; the signal input and the signal output are connected with a signal wire; the signal processing module is connected with the signal input and the computing module and is used for processing the video signals of the signal lines by adopting a VPLC image shallow compression algorithm and generating display information; the computing module is connected with the interface board and is used for separating independent information in the display information, converting the independent information into a display signal and transmitting the display signal to the interface board;
the display is used for displaying pictures through the independent information.
Furthermore, the signal processing module is an ARM provided with a Linux bottom operating system.
Furthermore, the input interface of the signal processing module is at least one of a DVI interface, a DP interface, an HDMI interface and a VGA interface.
Furthermore, the calculation module comprises an FPGA, a clock unit and a micro control unit which are communicated with each other.
Further, the independent case also comprises a control interface; the control interface is in communication connection with the FPGA and is used for reading and writing the FPGA.
Further, the control interface is at least one of a USB interface, an RS232 interface, and an IR interface.
Furthermore, the independent case further comprises a network port in communication connection with the signal processing module, the network port is used for receiving external independent information and conducting the external independent information to the signal processing module, and the signal processing module is also used for converting the external independent information into a display signal and transmitting the display signal to the interface board.
Further, the splicing wall further comprises a network switch, and the network switch is used for transmitting each piece of external independent information to each network port.
Further, the display signal is an LVDS signal.
Further, the signal line is an optical fiber.
By adopting the technical scheme, the utility model can also bring the following beneficial effects:
1. and a professional processing chip is adopted, the input resolution ratio is highest and supports 4K @60HZ, the processing chip is downward compatible, and the chip is internally provided with a VPLC image shallow compression algorithm, so that lossless-level compression can be realized.
2. The pure hardware FPGA + ARM architecture and the optimized Linux bottom operating system ensure the high-efficiency, high-speed and stable operation of the equipment.
3. And (3) realizing a dual-engine compression algorithm. The lowest code rate: 16Kbit/S, highest code rate: 10Gbit/S, supports the stepless configuration code rate range, and meets the requirements of low bandwidth transmission, high definition image quality and the like in various application occasions.
4. Ultra-low image transmission delay, 4K full color 4: 4: 4 color, 60Hz refresh data samples.
5. And various control modes such as RS232 loop control, infrared remote control, upper computer software control and the like are supported.
6. The independent power supply module carries out centralized power supply, the power supply interface is provided with an input interface and an output interface, and the power supply interface is connected with the power supply module in a hand-in-hand mode in a downward loop mode, so that field wiring and subsequent maintenance and upgrading are facilitated.
7. The power supply module and the image processing system are installed in an independent box body and are in butt joint with an interface board of the liquid crystal panel in a pluggable connection mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 invention, 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 schematic diagram of a fiber optic, network transmission distributed splice screen in accordance with an embodiment of the present invention;
wherein: 1. a power supply module; 2. an independent chassis; 3. an interface board; 4. a display; 21. a signal processing module; 22. and (4) a network port.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to 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 invention.
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 disclosure, 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 noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in practical implementation, and the type, quantity and proportion of the components in practical implementation can be changed freely, and the layout of the components can be more complicated.
In addition, in the following description, specific details are provided to facilitate 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.
In an embodiment of the present invention, an optical fiber, network transmission distributed spliced screen is provided, as shown in fig. 1, including a power module 1, an independent chassis 2, an interface board 3 and a display 4;
the power supply module 1 comprises a power supply inlet, a power supply outlet and a power supply voltage conversion system which are connected in sequence; the power supply inlet and the power supply outlet are used for connecting power lines; the power supply voltage conversion system is used for converting voltage, supplying power to the independent case 2 and the display 4 and outputting original voltage which is the same as the voltage of the power supply line to a power supply outlet;
the independent case 2 comprises a signal input module, a signal processing module 21, a calculation module and a signal output module; the signal input and the signal output are connected with a signal wire; the signal processing module 21 is connected with the signal input and calculation module and is used for processing the video signals of the signal lines by adopting a VPLC image shallow compression algorithm and generating display information; the computing module is connected with the interface board 3 and used for separating independent information in the display information, converting the independent information into a display signal and transmitting the display signal to the interface board 3;
the display 4 is used to display a screen by independent information.
In the embodiment, the signal processing module 21 is an ARM with a Linux operating system.
In this embodiment, the input interface of the signal processing module 21 is at least one of a DVI interface, a DP interface, an HDMI interface, and a VGA interface.
In this embodiment, as shown in fig. 1, the computing module includes an FPGA, a clock unit, and a micro control unit, which are in communication with each other.
In this embodiment, as shown in fig. 1, the independent chassis 2 further includes a control interface; the control interface is in communication connection with the FPGA and is used for reading and writing the FPGA.
In the present embodiment, the control interface is at least one of a USB interface, an RS232 interface, and an IR interface.
In this embodiment, as shown in fig. 1, the independent chassis 2 further includes a network port 22 communicatively connected to the signal processing module 21, the network port 22 is configured to receive external independent information and transmit the external independent information to the signal processing module 21, and the signal processing module 21 is further configured to convert the external independent information into a display signal and transmit the display signal to the interface board 3.
In this embodiment, the patch wall further includes a network switch for transmitting each external independent information to each portal 22.
In the present embodiment, the display signal is an LVDS signal.
In this embodiment, the signal line is an optical fiber.
The power module 1 of this embodiment inputs 48V DC power and can convert 48V into 24V,
Various required voltage values such as 12V, 5V and the like are connected to the signal processing module 21, the calculating module and the display 4.
The optical fiber and network transmission distributed spliced screen of the embodiment converts digital signals received through the optical fiber interface or the network interface into LVDS signals after being processed by the internal FPGA chip, and transmits the LVDS signals to the upper screen of the liquid crystal panel to display video contents.
In this embodiment, the RS232 serial port receiving interface receives control data to control the current multi-signal optical fiber and network transmission distributed spliced screen, and the RS232 serial ports of the submodules may be connected in series to serve as a sending interface to send the control data to the next stage.
The optical fiber and network transmission distributed spliced screen can be directly integrated on a spliced large screen and other display terminals, and transmission is directly carried out through the optical fiber or the network. The optical fiber and network transmission distributed spliced screen device can directly receive and decode video signals, the decoded signals are finally converted into LVDS signals, and video contents are directly displayed on display terminals such as a spliced large screen. And extra installation processes such as wiring, jumper and the like are not needed.
The optical fiber and network transmission distributed spliced screen device supports bidirectional transmission, coding and decoding of RS232 signals, IR infrared signals, USB signals and IO signals, and supports multiple control modes.
The optical fiber and network transmission distributed splicing screen can adopt a topological cascade structure with simple hand pulling, and is convenient for clients to perform wiring and later maintenance on site.
The optical fiber and network transmission distributed splicing screen of the embodiment adopts a professional processing chip, the highest input resolution ratio supports 4K @60HZ, the splicing screen is downward compatible, and the chip adopts a VPLC image shallow compression algorithm to realize lossless level compression.
The optical fiber and network transmission distributed spliced screen adopts a pure hardware FPGA + ARM architecture and an optimized Linux bottom operating system, so that the high-efficiency, high-speed and stable operation of equipment is ensured.
The optical fiber and network transmission distributed splicing screen of the embodiment is realized by adopting a dual-engine compression algorithm. The lowest code rate: 16Kbit/S, highest code rate: 10Gbit/S, supports the stepless configuration code rate range, and meets the requirements of low bandwidth transmission, high definition image quality and the like in various application occasions.
The optical fiber and network transmission distributed splicing screen of the embodiment can realize ultralow image transmission delay by adopting the equipment and the algorithm, and 4K panchromatic degree is 4: 4: 4 color, 60Hz refresh data samples.
The optical fiber and network transmission distributed splicing screen of the embodiment supports various control modes such as RS232 loop connection control, infrared remote control, upper computer software control and the like.
The optical fiber and network transmission distributed spliced screen can adopt an independent power supply system to carry out centralized power supply, the power supply interface is provided with an input interface and an output interface, and the power supply interface adopts a hand-in-hand mode to carry out downward loop power supply, so that the on-site wiring and the subsequent maintenance and upgrading are facilitated.
The independent case 2 of the embodiment is installed by adopting an independent box body, and is butted with the interface board 3 by adopting a pluggable interface board 3 connection mode.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention 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 invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An optical fiber and network transmission distributed spliced screen is characterized by comprising a power supply module, an independent case, an interface board and a display;
the power supply module comprises a power supply inlet, a power supply outlet and a power supply voltage conversion system which are connected in sequence; the power supply inlet and the power supply outlet are used for connecting power lines; the power supply voltage conversion system is used for converting voltage, supplying power to the independent case and the display and outputting original voltage which is the same as the power supply line voltage to the power supply outlet;
the independent case comprises a signal input module, a signal processing module, a calculation module and a signal output module; the signal input and the signal output are connected with a signal wire; the signal processing module is connected with the signal input and the computing module and is used for processing the video signals of the signal lines by adopting a VPLC image shallow compression algorithm and generating display information; the computing module is connected with the interface board and is used for separating independent information in the display information, converting the independent information into a display signal and transmitting the display signal to the interface board;
the display is used for displaying pictures through the independent information.
2. The fiber optic, network transmission distributed splice screen of claim 1, wherein: the signal processing module is an ARM provided with a Linux bottom layer operating system.
3. The fiber optic, network transmission distributed splice screen of claim 2, wherein: the input interface of the signal processing module is at least one of a DVI interface, a DP interface, an HDMI interface and a VGA interface.
4. The fiber optic, network transmission distributed splice screen of claim 1, wherein: the computing module comprises an FPGA, a clock unit and a micro control unit which are communicated with each other.
5. The fiber optic, network transmission distributed splice screen of claim 4, wherein: the independent case also comprises a control interface; the control interface is in communication connection with the FPGA and is used for reading and writing the FPGA.
6. The fiber optic, network transmission distributed splice screen of claim 5, wherein: the control interface is at least one of a USB interface, an RS232 interface and an IR interface.
7. The fiber optic, network transmission distributed splice screen of claim 3, wherein: the independent case also comprises a network port in communication connection with the signal processing module, the network port is used for receiving external independent information and conducting the external independent information to the signal processing module, and the signal processing module is also used for converting the external independent information into a display signal and transmitting the display signal to the interface board.
8. The fiber optic, network transmission distributed splice screen of claim 7, wherein: the network interface device further comprises a splicing wall, and the splicing wall further comprises a network switch, and the network switch is used for transmitting the external independent information to the network ports.
9. The fiber optic, network transmission distributed splice screen of claim 3, wherein: the display signal is an LVDS signal.
10. The fiber optic, network transmission distributed splice screen of claim 1, wherein: the signal line is an optical fiber.
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| CN202120743218.1U CN216053835U (en) | 2021-04-13 | 2021-04-13 | Optical fiber and network transmission distributed spliced screen |
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| CN202120743218.1U CN216053835U (en) | 2021-04-13 | 2021-04-13 | Optical fiber and network transmission distributed spliced screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115243072A (en) * | 2022-07-19 | 2022-10-25 | 上海晨驭信息科技有限公司 | Distributed video splicing system without switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115243072A (en) * | 2022-07-19 | 2022-10-25 | 上海晨驭信息科技有限公司 | Distributed video splicing system without switch |
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