CN103021368A - Novel liquid crystal curtain wall splicing system - Google Patents
Novel liquid crystal curtain wall splicing system Download PDFInfo
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- CN103021368A CN103021368A CN2012105646020A CN201210564602A CN103021368A CN 103021368 A CN103021368 A CN 103021368A CN 2012105646020 A CN2012105646020 A CN 2012105646020A CN 201210564602 A CN201210564602 A CN 201210564602A CN 103021368 A CN103021368 A CN 103021368A
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Abstract
The invention discloses a novel liquid crystal curtain wall splicing system which comprises a signal input processing subsystem, a data exchange and control subsystem, and a signal output processing subsystem. The signal input processing subsystem is used for acquiring input image signals, transforming format, and fulling functions of image single processing, character superimposition and the like according to system control commands. The data exchange and control subsystem is used for sending out the system control commands, transmitting corresponding data packets to the corresponding signal output processing subsystem in time-sharing manner to fulfill exchange output of the input signals. The signal output processing subsystem is used for processing the data packets received by the data exchange and control subsystem, superposing the data packets with high-definition base image signals, and transmitting to a screen for displaying. Compared with the prior art, the novel liquid crystal curtain wall splicing system has the advantages that system complexity is lowered, and the system is stable in performance and high in reliability; information displayed by the curtain wall splicing system is richer; the novel liquid crystal curtain wall splicing system is simple in structure and low in cost.
Description
Technical field
The present invention relates to liquid crystal-spliced demonstration field, the many pictures of a kind of Dan Ping, high definition base map show, support the novel liquid crystal curtain wall splicing system of input signal character stack specifically.
Background technology
Liquid crystal spliced curtain wall is to aim at the specialized terminal presentation facility that engineering is used design.The lcd technology of present high definition, high brightness and the high colour gamut par excellence of its general, embedded hardware splicing, multi-screen image treatment technology, signal handoff technique etc. are integrated, and form a liquid crystal spliced curtain wall display system that has high brightness, high definition, low-power consumption, high life, advanced person.Liquid crystal spliced curtain wall is ultralight, ultra-thin with it, the long-life, low safeguard the outstanding advantage such as cost, low-power consumption, radiationless, high-resolution and get most of the attention, and nowadays has been widely used in the fields such as safety monitoring, national defence, traffic, government utility, process processing, stage amusement, the TV broadcast Room, stock, Large Exhibitions, market, bank, office hall, dispatch control.
Along with the development of splicing and to the attention of the utilization of resources, many pictures technology is applied in the curtain wall splicing system gradually, has realized the many picture displies of Dan Ping of liquid crystal spliced curtain wall.Existing many frame curtain walls of Dan Ping splicing system mainly adopts the method at system's multiple access multi-image divider or many picture segmentation matrix to realize.These implementation methods, cost compare is high, and system is more complicated also, has also increased the probability of failure of system simultaneously.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of novel liquid crystal curtain wall splicing system is provided.This system is by adopting timesharing to transmit the method for signal, and the Presentation Function of the many pictures of realization Dan Ping also possesses simultaneously the high definition base map and shows, and is supported in the function that overlaying character shows in the 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, be used for received image signal is gathered, format transformation, and finish processing to picture signal, the functions such as character stack according to the steering order of system;
---exchanges data and control subsystem, be used for sending system's steering order, the simultaneously packet timesharing with correspondence sends to corresponding signal output processing subsystem, finishes the exchange output of input signal;
---signal output processing subsystem, be used for processing from the packet of exchanges data and control subsystem reception, superposeing and send on the screen with high definition base map signal shows.
Further, described signal input processing subsystem comprises:
---the input signal acquisition module is used for the Gather and input signal, and converts specific digital signal (ITU-R BT.1125) to;
---image processing module is used for the signal of ITU-R BT.1125 is processed, and according to system directive picture signal is carried out convergent-divergent;
---the character generation module, be used for the instruction according to system, produce corresponding character signal;
---the signal laminating module is used for picture signal and character signal are carried out overlap-add procedure;
---data packing distribution module is used for according to system directive the data after superposeing being cut, and is packaged into a plurality of packets, and under system directive, timesharing sends packet;
---the data output interface module is used for packet is converted to the high speed LVDS signal of being convenient to transmit, and data is exported;
---the control signal interface module is used for the high-speed control signal of receive-transmit system, and is converted to the signal that load module control system module can be received and dispatched;
---load module control system module is used for the high-speed control signal of the system that receives is analyzed, and is converted to the steering order of each submodule.
Further, exchanges data and control subsystem comprise:
---the control signal interface module is used 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 be received and dispatched;
---the Data Input Interface module, be used for the high speed LVDS signal of signal input processing subsystem input is carried out matching treatment, make it to access the high-speed figure handover module;
---the high-speed figure handover module, possesses a plurality of input interface INx, a plurality of output interface OUTx and High-speed Control interface, can switch fast according to the instruction of exchanges data control system module, realize that any one input interface can be connected to any one output interface, the packet of a plurality of input interfaces can timesharing is transferred to any one output interface;
Wherein, input interface and Data Input Interface module are joined, and output interface and data output interface module are joined, and High-speed Control interface and exchanges data control system module are joined;
---the data output interface module, be used for the high speed LVDS signal of high-speed figure handover module output is carried out matching treatment, make it to export to signal output processing subsystem;
---exchanges data control system module is used for the transmitting system steering order.
Further, signal output processing subsystem comprises:
---the Data Input Interface module is used for the high speed LVDS signal of receive data exchange and control module output, and is converted to packet;
---the identification of data packets distribution module, be used for packet is identified, analyze information corresponding to this packet and offer image processing module;
---image processing module is used for according to system directive the packet image conversion, and carries out corresponding convergent-divergent, layout adjustment, the synthetic processing;
---high definition base map subgraph generation module, be used for the sub-graph data with the high definition base map, be converted to picture signal;
---the signal laminating module is used for the sub-pic-ture signal of picture signal and high definition base map is carried out overlap-add procedure;
---driver module, the picture signal after being used for superposeing be converted to can driving display spare the driving signal;
---the control signal interface module is used for the high-speed control signal of receive-transmit system, and is converted to the signal that output module control system module can be received and dispatched;
---output module control system module, be used for the system high-speed control signal that receives, analyze 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 timesharing to transmit the method for signal, only uses an input interface to realize the many menu display functions of Dan Ping, has not only reduced the input interface quantity of system, avoided simultaneously the use of other picture segmentation equipment, reduced the complicacy of system, system performance is stable, and reliability is high.
2. system adopts timesharing to transmit the method for signal, and the high definition that superposeed base map shows that the while is overlaying character information on the display of correspondence as required, makes the demonstration more abundant information of curtain wall splicing system.
3. compare with other multi-picture splicing systems, system architecture of the present invention is simple, and cost is lower.
Description of drawings
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 block 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 mainly is comprised of three parts, is respectively signal input processing subsystem, exchanges data and control subsystem, signal output processing subsystem.Realized any many pictures of single screen by a plurality of signal input processing subsystems, a plurality of signal output processing subsystem and data exchange and control subsystem coordinated operation, the high definition base map shows, the curtain wall splicing system of input signal character stack.
The principle of work of system is as follows: a plurality of signal input processing subsystems gather respectively the picture signal of each road input, and convert it to the digital signal (ITU-R BT.1125) of specific format, steering order according to system, signal is processed, the character stack also is packaged into the packet that meets system requirements, send to exchanges data and control subsystem, exchanges data and control subsystem are according to system directive, one or more packet timesharing of correspondence are sent to corresponding signal output processing subsystem, signal output processing subsystem is processed the packet that receives, and superpose with high definition base map signal, finally be shown on the screen, realized any many pictures of single screen, the high definition base map shows, the function of input signal character stack.
Accompanying drawing 2 is signal input processing subsystem diagram, as shown in Figure 2, the input signal acquisition module gathers the signal of input, and the digital signal (ITU-R BT.1125) that converts it to specific format sends to image processing module and processes, and according to system directive picture signal carried out convergent-divergent.The character generation module is according to system directive, produce corresponding character signal, in the signal laminating module, carry out together overlap-add procedure with the picture signal after the image processing module processing, data packing distribution module cuts the data after superposeing according to system directive, and be packaged into a plurality of packets, timesharing sends to the data output interface module, in the data output interface module, packet is converted to the LVDS signal of being convenient to transmit, 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 be received and dispatched, send to load module control system module and analyze, and the steering order that is converted to each submodule sends to each submodule and realizes control.
Accompanying drawing 3 is exchanges data and control subsystem block diagram.As shown in the figure, this subsystem is comprised of a plurality of control signal interface modules (INx and OUTx, INx and OUTx are respectively the label of input and output signal), a plurality of Data Input Interface module, high-speed figure handover module, a plurality of data output interface module and exchanges data control system module.A plurality of Data Input Interface modules receive respectively the high speed LVDS signal from a plurality of signal input processing subsystems, and it is carried out matching treatment, make it to access the high-speed figure handover module.The high-speed figure handover module possesses a plurality of input interface INx, a plurality of output interface OUTx and High-speed Control interface, instruction according to exchanges data control system module is switched fast to signal, the corresponding output interface that is transferred to the packet timesharing of one or more input interfaces input, send to the data output interface module, therein high speed LVDS signal is carried out matching treatment, make it to export to signal output processing subsystem.Control signal interface module INx respectively with corresponding signal input processing subsystem INx in the control signal interface module be connected, control signal interface module OUTx is connected with control signal interface module among the corresponding signal output processing subsystem OUTx.Exchanges data control system module is sent the High-speed Control instruction according to system requirements, send to respectively corresponding signal input processing subsystem and signal output processing subsystem 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 block diagram, as shown in the figure, receive through the Data Input Interface module from the high speed LVDS signal of exchanges data and control module output, and transfer packet to, send in the identification of data packets distribution module and identify, analyze information corresponding to this packet and offer image processing module.Image processing module with the packet image conversion, and carries out corresponding convergent-divergent, layout adjustment, the synthetic processing according to system directive.High definition base map subgraph generation module is with the sub-graph data of high definition base map, be converted to picture signal, in the signal laminating module, carry out overlap-add procedure with the picture signal after processing, then send to driver module be converted to can driving display spare the driving signal, and show at display.The control signal interface module is from the high-speed control signal of control signal interface module OUTx receive-transmit system corresponding to exchanges data and control subsystem, and be converted to the signal that output module control system module can be received and dispatched, send to output module control system module, it is analyzed, and be converted to the steering order of each submodule, send to subsystems, realize the control of whole module.
Claims (5)
1. a novel liquid crystal curtain wall splicing system is characterized in that, comprising:
---signal input processing subsystem, be used for received image signal is gathered, format transformation, and finish processing to picture signal, character stack according to the steering order of system;
---exchanges data and control subsystem, be used for sending system's steering order, the simultaneously packet timesharing with correspondence sends to corresponding signal output processing subsystem, finishes the exchange output of input signal;
---signal output processing subsystem, be used for processing from the packet of exchanges data and control subsystem reception, superposeing and send on the screen with high definition base map signal shows.
2. described system according to claim 1 is characterized in that described signal input processing subsystem comprises:
---the input signal acquisition module is used for the Gather and input signal, and converts specific digital signal (ITU-R BT.1125) to;
---image processing module is used for the signal of ITU-R BT.1125 is processed, and according to system directive picture signal is carried out convergent-divergent;
---the character generation module, be used for the instruction according to system, produce corresponding character signal;
---the signal laminating module is used for picture signal and character signal are carried out overlap-add procedure;
---data packing distribution module is used for according to system directive the data after superposeing being cut, and is packaged into a plurality of packets, and under system directive, timesharing sends packet;
---the data output interface module is used for packet is converted to the high speed LVDS signal of being convenient to transmit, and data is exported;
---the control signal interface module is used for the high-speed control signal of receive-transmit system, and is converted to the signal that load module control system module can be received and dispatched;
---load module control system module is used for the high-speed control signal of the system that receives is analyzed, and is converted to the steering order of each submodule.
3. described system according to claim 1 is characterized in that exchanges data and control subsystem comprise:
---the control signal interface module is used 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 be received and dispatched;
---the Data Input Interface module, be used for the high speed LVDS signal of signal input processing subsystem input is carried out matching treatment, make it to access the high-speed figure handover module;
---the high-speed figure handover module, possesses a plurality of input interface INx, a plurality of output interface OUTx and High-speed Control interface, can switch fast according to the instruction of exchanges data control system module, realize that any one input interface can be connected to any one output interface, the packet of a plurality of input interfaces can timesharing is transferred to any one output interface;
Wherein, input interface and Data Input Interface module are joined, and output interface and data output interface module are joined, and High-speed Control interface and exchanges data control system module are joined;
---the data output interface module, be used for the high speed LVDS signal of high-speed figure handover module output is carried out matching treatment, make it to export to signal output processing subsystem;
---exchanges data control system module is used for the transmitting system steering order.
4. described system according to claim 1 is characterized in that, signal output processing subsystem comprises:
---the Data Input Interface module is used for the high speed LVDS signal of receive data exchange and control module output, and is converted to packet;
---the identification of data packets distribution module, be used for packet is identified, analyze information corresponding to this packet and offer image processing module;
---image processing module is used for according to system directive the packet image conversion, and carries out corresponding convergent-divergent, layout adjustment, the synthetic processing;
---high definition base map subgraph generation module, be used for the sub-graph data with the high definition base map, be converted to picture signal;
---the signal laminating module is used for the sub-pic-ture signal of picture signal and high definition base map is carried out overlap-add procedure;
---driver module, the picture signal after being used for superposeing be converted to can driving display spare the driving signal;
---the control signal interface module is used for the high-speed control signal of receive-transmit system, and is converted to the signal that output module control system module can be received and dispatched;
---output module control system module, be used for the system high-speed control signal that receives, analyze and be converted to the steering order of each submodule.
5. described system according to claim 1 is characterized in that described input signal can be Video, VGA, DVI, HDMI, SDI, 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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| CN201210564602.0A CN103021368B (en) | 2012-12-24 | 2012-12-24 | A kind of Novel liquid crystal curtain wall splicing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103198808A (en) * | 2013-04-18 | 2013-07-10 | 广州市观泰数字显示设备有限公司 | Liquid crystal spliced wall screen display control system |
| CN105094289A (en) * | 2014-04-18 | 2015-11-25 | 浙江大华技术股份有限公司 | Method, device, and system for realizing graphical user interface |
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| 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 |
| US20110148742A1 (en) * | 2007-05-14 | 2011-06-23 | Christie Digital Systems Canada, Inc. | Configurable imaging system |
| 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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Patent Citations (5)
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| US20110148742A1 (en) * | 2007-05-14 | 2011-06-23 | Christie Digital Systems Canada, Inc. | Configurable imaging system |
| CN101635137A (en) * | 2008-07-23 | 2010-01-27 | 深圳市巨烽显示科技有限公司 | Method and device for seamlessly displaying images |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103198808A (en) * | 2013-04-18 | 2013-07-10 | 广州市观泰数字显示设备有限公司 | Liquid crystal spliced wall screen display control system |
| CN105094289A (en) * | 2014-04-18 | 2015-11-25 | 浙江大华技术股份有限公司 | Method, device, and system for realizing graphical user interface |
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