CN103021368B - A kind of Novel liquid crystal curtain wall splicing system - Google Patents
A kind of Novel liquid crystal curtain wall splicing system Download PDFInfo
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- CN103021368B CN103021368B CN201210564602.0A CN201210564602A CN103021368B CN 103021368 B CN103021368 B CN 103021368B CN 201210564602 A CN201210564602 A CN 201210564602A CN 103021368 B CN103021368 B CN 103021368B
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Abstract
The invention discloses a kind of Novel liquid crystal curtain wall splicing system, comprising: signal input processing subsystem, for gathering received image signal, format transformation, and complete the process to picture signal according to the steering order of system, the functions such as character adding; Exchanges data and control subsystem, for sending Systematical control instruction, give corresponding signal output processing subsystem by the packet time-sharing send of correspondence simultaneously, and the exchange completing input signal exports; Signal output processing subsystem, for processing the packet received from exchanges data and control subsystem, superposing with high definition base map signal and being sent on screen and show.The present invention compared with prior art, has following advantage: 1. the complicacy reducing system, stable system performance, and reliability is high; 2. make the display information of curtain wall splicing system abundanter; 3. present system structure is simple, and cost is lower.
Description
Technical field
The present invention relates to liquid crystal-spliced display field, specifically the Novel liquid crystal curtain wall splicing system of the many pictures of a kind of single screen, the display of high definition base map, support input signal character adding.
Background technology
Liquid crystal spliced curtain wall is the specialized terminal presentation facility aiming at engineer applied design.The lcd technology, embedded hardware splicing, multi-screen image treatment technology, signal switching technology etc. of current high definition, high brightness and high colour gamut are par excellence integrated by it, form one and have high brightness, high definition, low-power consumption, high life, advanced liquid crystal spliced curtain wall display system.Outstanding advantages such as liquid crystal spliced curtain wall is ultralight with it, ultra-thin, long-life, low maintenance cost, low-power consumption, radiationless, high-resolution and getting most of the attention, have nowadays been widely used in the fields such as safety monitoring, national defence, traffic, government utility, process process, stage amusement, the TV broadcast Room, stock, Large Exhibitions, market, bank, office lobby, dispatch control.
Development along with splicing and the attention to the utilization of resources, many pictures technology is applied in curtain wall splicing system gradually, achieves the single screen multi-channel image processor of liquid crystal spliced curtain wall.Existing single screen many frame curtain walls splicing system mainly adopts and realizes in the method for system multiple access multi-image divider or many pictures subdivision matrix.These implementation methods, cost compare is high, and system is more complicated also, too increases the probability of failure of system simultaneously.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of Novel liquid crystal curtain wall splicing system.This system, by adopting the method for timing transmission signal, realizes the Presentation Function of the many pictures of single screen, also possesses the display of high definition base map simultaneously, and is supported in the function of overlaying character display in display frame.
The concrete technical scheme of the present invention is as follows:
A kind of Novel liquid crystal curtain wall splicing system, is characterized in that, comprising:
---signal input processing subsystem, for gathering received image signal, format transformation, and complete the process to picture signal according to the steering order of system, the functions such as character adding;
---exchanges data and control subsystem, for sending Systematical control instruction, give corresponding signal output processing subsystem by the packet time-sharing send of correspondence, the exchange completing input signal exports simultaneously;
---signal output processing subsystem, for processing the packet received from exchanges data and control subsystem, superposing with high definition base map signal and being sent on screen and show.
Further, described signal input processing subsystem comprises:
---input signal acquisition module, for Gather and input signal, and converts specific digital signal (ITU-RBT.1125) to;
---image processing module, for processing the signal of ITU-RBT.1125, and carries out convergent-divergent according to system directive to picture signal;
---character generation module, for the instruction according to system, produces corresponding character signal;
---Signal averaging module, for picture signal and character signal are carried out overlap-add procedure;
---data packing distribution module, for cutting the data after superposition according to system directive, and is packaged into multiple packet, and under system directive, time-sharing send packet;
---data for packet being converted to the high speed LVDS signal being convenient to transmit, and are exported by data output interface module;
---control signal interface module, for the high-speed control signal of receive-transmit system, and is converted to the signal that load module control system module can receive and dispatch;
---load module control system module, for analyzing the high-speed control signal of the system received, and is converted to the steering order of each submodule.
Further, exchanges data and control subsystem comprise:
---control signal interface module, for the high-speed control signal of receiving and transmitting signal input processing subsystem and signal output processing subsystem, and is converted to the signal that exchanges data and control system module can receive and dispatch;
---Data Input Interface module, carry out matching treatment for the high speed LVDS signal inputted signal input processing subsystem, make it to access high-speed figure handover module;
---high-speed figure handover module, possesses multiple input interface INx, multiple output interface OUTx and High-speed Control interface, can switch fast according to the instruction of exchanges data control system module, realize any one input interface and can be connected to any one output interface, the packet of multiple input interface can timesharing be transferred to any one output interface;
Wherein, input interface connects with Data Input Interface module, and output interface connects with data output interface module, and High-speed Control interface connects with exchanges data control system module;
---data output interface module, carry out matching treatment for the high speed LVDS signal exported high-speed figure handover module, make it to export to signal output processing subsystem;
---exchanges data control system module, for transmitting system steering order.
Further, signal output processing subsystem comprises:
---Data Input Interface module, for receiving the high speed LVDS signal of exchanges data and control module output, and is converted to packet;
---identification of data packets distribution module, for identifying packet, analyzing information corresponding to this packet and being supplied to image processing module;
---image processing module, for according to system directive by packet image conversion, and carry out corresponding convergent-divergent, distributing adjustment, synthesis process;
---high definition base map subgraph generation module, for the sub-graph data by high definition base map, is converted to picture signal;
---Signal averaging module, for the sub-pic-ture signal of picture signal and high definition base map is carried out overlap-add procedure;
---driver module, can the drive singal of driving display part for the picture signal after superposition is converted to;
---control signal interface module, for the high-speed control signal of receive-transmit system, and is converted to the signal that output module control system module can receive and dispatch;
---output module control system module, for the system high-speed control signal that will receive, carry out analyzing and be converted to the steering order of each submodule.
Further, described input signal can be: Video, VGA, DVI, HDMI, SDI, DP etc.
The present invention compared with prior art, has following advantage:
1. system adopts the method for timing transmission signal, only uses an input interface to realize single screen multi-channel image processor function, not only reduces the input interface quantity of system, avoid the use of other picture splitting equipments simultaneously, reduce the complicacy of system, stable system performance, reliability is high.
2. system adopts the method for timing transmission signal, has superposed the display of high definition base map, simultaneously can overlaying character information on the display of correspondence as required, makes the display information of curtain wall splicing system abundanter.
3., compared with other multi-picture splicing systems, present system structure is simple, and cost is lower.
Accompanying drawing explanation
Fig. 1 is system chart.
Fig. 2 is signal input processing subsystem diagram.
Fig. 3 is exchanges data and control subsystem block diagram.
Fig. 4 is signal output processing subsystem diagram.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Accompanying drawing 1 is system chart.As shown in Figure 1, system is mainly made up of three parts, is respectively signal input processing subsystem, exchanges data and control subsystem, signal output processing subsystem.Achieve any many pictures of single screen by multiple signal input processing subsystem, multiple signal output processing subsystem and an exchanges data and control subsystem coordinated operation, high definition base map shows, the curtain wall splicing system of input signal character adding.
The principle of work of system is as follows: multiple signal input processing subsystem gathers the picture signal of each road input respectively, and convert it to the digital signal (ITU-RBT.1125) of specific format, according to the steering order of system, signal is processed, character adding is also packaged into the packet meeting system requirements, send to exchanges data and control subsystem, exchanges data and control subsystem are according to system directive, corresponding signal output processing subsystem is given by one or more packet time-sharing send of correspondence, signal output processing subsystem processes the packet received, and superpose with high definition base map signal, finally be shown on screen, achieve any many pictures of single screen, high definition base map shows, the function of input signal character adding.
Accompanying drawing 2 is signal input processing subsystem diagram, as shown in Figure 2, the signal of input signal acquisition module to input gathers, and the digital signal (ITU-RBT.1125) converting it to specific format is sent to image processing module processes, and according to system directive, convergent-divergent is carried out to picture signal.Character generation module is according to system directive, produce corresponding character signal, in Signal averaging module, overlap-add procedure is carried out together with the picture signal after image processing module process, data packing distribution module cuts the data after superposition according to system directive, and be packaged into multiple packet, time-sharing send is to data output interface module, packet is converted to the LVDS signal being convenient to transmit in data output interface module, export to exchanges data and control module, settling signal input processing function.The transmitting-receiving of control signal interface module is from the high-speed control signal of system, and be converted to the signal that load module control system module can receive and dispatch, send to load module control system module to analyze, and the steering order being converted to each submodule is sent to each submodule realization control.
Accompanying drawing 3 is exchanges data and control subsystem block diagram.As shown in the figure, this subsystem is made up of multiple control signal interface module (INx and OUTx, INx and OUTx are respectively the label of input and output signal), multiple Data Input Interface module, high-speed figure handover module, multiple data output interface module and exchanges data control system module.Multiple Data Input Interface module, receives the high speed LVDS signal from multiple signal input processing subsystem respectively, carries out matching treatment to it, make it to access high-speed figure handover module.High-speed figure handover module possesses multiple input interface INx, multiple output interface OUTx and High-speed Control interface, instruction according to exchanges data control system module switches fast to signal, the output interface being transferred to correspondence of the packet timesharing that one or more input interface is inputted, send to data output interface module, matching treatment is carried out to high speed LVDS signal wherein, make it to export to signal output processing subsystem.Control signal interface module INx is connected with the control signal interface module in corresponding signal input processing subsystem INx respectively, and control signal interface module OUTx is connected with the control signal interface module in corresponding signal output processing subsystem OUTx.Exchanges data control system module sends High-speed Control instruction according to system requirements, be sent to corresponding signal input processing subsystem and signal output processing subsystem respectively by corresponding control signal interface module Inx and control signal interface module OUTx, realize the control to whole system.
Accompanying drawing 4 is signal output processing subsystem diagram, as shown in the figure, the high speed LVDS signal exported from exchanges data and control module receives through Data Input Interface module, and transfer packet to, be sent in identification of data packets distribution module and identify, analyze information corresponding to this packet and be supplied to image processing module.Image processing module, according to system directive, by packet image conversion, and carries out corresponding convergent-divergent, distributing adjustment, synthesis process.High definition base map subgraph generation module is by the sub-graph data of high definition base map, be converted to picture signal, in Signal averaging module, overlap-add procedure is carried out with the picture signal after process, then being sent to that driver module is converted to can the drive singal of driving display part, and shows over the display.Control signal interface module is from the high-speed control signal of exchanges data and control signal interface module OUTx receive-transmit system corresponding to control subsystem, and be converted to the signal that output module control system module can receive and dispatch, send to output module control system module, it is analyzed, and be converted to the steering order of each submodule, be sent to subsystems, realize the control of whole module.
Claims (2)
1. a Novel liquid crystal curtain wall splicing system, is characterized in that, comprising:
---signal input processing subsystem, for gathering received image signal, format transformation, and complete the process to picture signal according to the steering order of system, character adding;
---exchanges data and control subsystem, for sending Systematical control instruction, give corresponding signal output processing subsystem by the packet time-sharing send of correspondence, the exchange completing input signal exports simultaneously;
---signal output processing subsystem, for processing the packet received from exchanges data and control subsystem, superposing with high definition base map signal and being sent on screen and show;
(1) above-mentioned signal input processing subsystem comprises:
---input signal acquisition module, for Gather and input signal, and converts specific digital signal ITU-RBT.1125 to;
---image processing module, for processing the signal of ITU-RBT.1125, and carries out convergent-divergent according to system directive to picture signal;
---character generation module, for the instruction according to system, produces corresponding character signal;
---Signal averaging module, for picture signal and character signal are carried out overlap-add procedure;
---data packing distribution module, for cutting the data after superposition according to system directive, and is packaged into multiple packet, and under system directive, time-sharing send packet;
---data for packet being converted to the high speed LVDS signal being convenient to transmit, and are exported by data output interface module;
---control signal interface module, for the high-speed control signal of receive-transmit system, and is converted to the signal that load module control system module can receive and dispatch;
---load module control system module, for analyzing the high-speed control signal of the system received, and is converted to the steering order of each submodule;
(2) above-mentioned exchanges data and control subsystem comprise:
---control signal interface module, for the high-speed control signal of receiving and transmitting signal input processing subsystem and signal output processing subsystem, and is converted to the signal that exchanges data control system module can receive and dispatch;
---Data Input Interface module, carry out matching treatment for the high speed LVDS signal inputted signal input processing subsystem, make it to access high-speed figure handover module;
---high-speed figure handover module, possesses multiple input interface, multiple output interface and High-speed Control interface, can switch fast according to the instruction of exchanges data control system module, realize any one input interface and can be connected to any one output interface, the packet of multiple input interface can timesharing be transferred to any one output interface;
Wherein, input interface connects with Data Input Interface module, and output interface connects with data output interface module, and High-speed Control interface connects with exchanges data control system module;
---data output interface module, carry out matching treatment for the high speed LVDS signal exported high-speed figure handover module, make it to export to signal output processing subsystem;
---exchanges data control system module, for transmitting system steering order;
(3) above-mentioned signal output processing subsystem comprises:
---Data Input Interface module, for receiving the high speed LVDS signal of exchanges data and control subsystem output, and is converted to packet;
---identification of data packets distribution module, for identifying packet, analyzing information corresponding to this packet and being supplied to image processing module;
---image processing module, for according to system directive by packet image conversion, and carry out corresponding convergent-divergent, distributing adjustment, synthesis process;
---high definition base map subgraph generation module, for the sub-graph data by high definition base map, is converted to picture signal;
---Signal averaging module, for the sub-pic-ture signal of picture signal and high definition base map is carried out overlap-add procedure;
---driver module, can the drive singal of driving display part for the picture signal after superposition is converted to;
---control signal interface module, for the high-speed control signal of receive-transmit system, and is converted to the signal that output module control system module can receive and dispatch;
---output module control system module, for the system high-speed control signal that will receive, carry out analyzing and be converted to the steering order of each submodule.
2. system according to claim 1, it is characterized in that, described input signal is Video, VGA, DVI, HDMI, SDI or DP.
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| CN201210564602.0A CN103021368B (en) | 2012-12-24 | 2012-12-24 | A kind of Novel liquid crystal curtain wall splicing system |
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| CN103198808B (en) * | 2013-04-18 | 2015-08-19 | 广州市观泰数字显示设备有限公司 | Liquid crystal display splicing wall curtain display control program |
| CN105094289B (en) * | 2014-04-18 | 2018-07-06 | 浙江大华技术股份有限公司 | A kind of method, equipment and system for realizing graphical user's interactive interface |
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| US6404915B1 (en) * | 1998-07-21 | 2002-06-11 | Silitek Corporation | Image acquiring apparatus |
| US7961157B2 (en) * | 2007-05-14 | 2011-06-14 | Christie Digital Systems Usa, Inc. | Configurable imaging system |
| CN101635137B (en) * | 2008-07-23 | 2012-02-08 | 深圳市巨烽显示科技有限公司 | Method and device for seamlessly displaying images |
| CN201577135U (en) * | 2009-12-15 | 2010-09-08 | 安防制造（中国）有限公司 | Matrix with multiple input formats and high rate |
| CN202307022U (en) * | 2011-10-19 | 2012-07-04 | 珠海石头电子有限公司 | Display curtain wall system |
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