CN204707197U - Based on the tiled display controller of cloud computing technology - Google Patents
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Abstract
The utility model proposes a kind of tiled display controller based on cloud computing technology.This system comprises the distributed cloud controller of multiple stage, multiple stage switch; Multiple stage switch forms local area network (LAN) by cascade, provides the transmission channel of data and control command, forms the framework core of IP network; Multiple stage distributed cloud controller accesses the switch of corresponding level, and cloud controller adopts PCI-E bus mother board and is equipped with Inter processor.This controller has high-performance, high reliability, high expansion, and cost is low, and information processing, analysis and managerial ability are strong, and resolution is high, and cost performance is high, shows in real time, the advantages such as environmental protection.
Description
Technical field
The utility model belongs to large scale display field, relates generally to the technology contents such as large-screen splicing display and control.Especially a kind of tiled display controller based on cloud computing technology.
Background technology
Along with the fast development of multimedia technology, large-screen splicing display system becomes very multiple services centralized displaying platform, for operation, commander, decision-making provide display comprehensive function; System is spliced by display units such as polylith DLP or LCD, integrate a large amount of image information display, large picture display is flexibly provided, meet the instructions for use of long-term uninterruptedly stable operation in 7 × 24 hours, possess abundant information, the picture of super large, pure color, the effect of high definition, the flexibly feature such as tissue and stable performance.
What current large-screen splicing display field generally adopted is centralized splicing controller, due to centralized splicing controller input, export quantity and have a definite limitation; And along with the development of digital information Display Technique, industry-by-industry, to the increase of the requirement on flexibility of large scale display, shows to high definition, ultra-large scene the increase required; Meanwhile, networking also makes every profession and trade propose the requirement realizing information sharing between the superior and the subordinate, zones of different, and traditional, centralized large-screen splicing display system can not meet above-mentioned requirements.
Utility model content
In order to meet the demand of client's development, present applicant proposes the large screen display system of a kind of cloud (MCS multimedia control system), this system adopts parallel computation (namely " cloud " calculates) and operating technology, ultrahigh resolution is shown large-screen and carry out module cluster, integrative display wall splicing simultaneously, multi-screen image treatment technology, signal switching technology, network technology etc., the system that improves is shown all kinds of magnanimity information revolutionaryly, process, analyze and managerial ability, form a high performance information processing, analyze, the Integrated Information Centre of management and information display and control.
This system is that user provides a powerful interactive generalization intelligent centre platform, can be every profession and trade digitlization, informationization provides the most effective up-to-date technical support.
In order to reach above-mentioned utility model object, the technical solution of the utility model is as follows,
Based on a tiled display controller for cloud computing technology, comprise the distributed cloud controller of multiple stage, multiple stage switch, multiple stage switch forms local area network (LAN) by cascade, provides the transmission channel of data and control command, forms the framework core of IP network; Multiple stage distributed cloud controller accesses the switch of corresponding level, and is connected with corresponding display by video connecting line, and cloud controller adopts PCI-E bus mother board and is equipped with Inter processor.
Described distributed cloud controller is professional high performance controller, the mode of grading control is adopted to be configured, i.e. master node control connexon Node Controller, every platform distributed cloud controller wherein as child node can connect 4 or 8 display units as an independent Node Controller routine, as user needs, can expand, expansion quantity is the integral multiple of 4.
System is primarily of n estrade Node Controller, two master node controls, server, network system compositions; The basic platform of child node controller, master node control and express network construction system high-performance display; Each Node Controller and kilomega network connect
The beneficial effects of the utility model are:
1. " cloud controller " is calculated as basis in a distributed manner, display all-digital acquisition, and total exchange high-speed transfer achieves the visual of mass data, supports the display of high definition, ultra high-definition signal, supports real-time dynamic interaction;
2. contrast with traditional solution deployment way, cloud display system application deployment mode is simple, is framework core, forms comprehensive technical advantage with IP network.Be mainly reflected in following several respects:
2.1 high-performance: support the display of ultra-large scene signal (as: 4K signal), ultra high-definition image.Advanced simultaneous techniques, ensures that all screen temporal synchronization show;
2.2 high reliability: product is around high speed IP data network struction, and all signals are pushed directly on display device by switch, and operational reliability is high;
2.3 high expansions: adopt networking Signal transmissions, can increase input signal source whenever and wherever possible, expand output display unit quantity arbitrarily.Easy enforcement, easy care: product facility standardization level is high, number of devices is few, can Rapid Implementation, be easy to safeguard;
2.4 integrated costs are low: because system master is few, after child node controller is attached directly to display screen, do not have complicated switching device and cable, communications cost is low, totally takies machine room space very little, the simple cost of labor of O&M is low, and system energy consumption is little, saving operating cost.
3. powerful information processing, analysis and managerial ability: system adopts modularization Clustering, utilizes advanced parallel information disposal ability, for all kinds of magnanimity information provides the operation platform of efficient stable.Systems soft ware is one, and efficient distributed visible systems soft ware, can make hardware configuration under visual cluster instruction, perform various operation (as high-resolution splice displaying system) flexibly, realizes the real-time Transmission display of high-definition picture.Systems soft ware overcomes the defect that conventional display system shows in a network environment, by the Web communication layer based on multithreading of a lightweight, plays up the application example on all nodes.And provide friendly visualization interface to present to user.
4. have multimedia shown in parallel and control ability, ultrahigh resolution signal source shows by system on large-screen, and carries out multichannel, multimedia (real-time audio, video etc.), the displaying of many pictures Intelligent and Parallel simultaneously.
5. cloud data message shows in real time, can capture that rear end multisystem data are point-to-point in a variety of manners on screen to be presented and management and control, provides most suitable data display the most intuitively.
8. environmental protection, the controller caloric value of cloud display control program is little, radiationless, flicker free, do not hinder eye, do not contain hazardous substance (as lead, mercury, cadmium and chromium etc.), be a new generation environment protection health controller.
Other features and advantages of the utility model will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the utility model.The purpose of this utility model and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Below in conjunction with drawings and Examples to the further detailed description of the utility model.In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, the accompanying drawing (except prior art figure) that the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, in the following detailed description, above-mentioned purpose of the present utility model, feature and advantage are by apparent; And under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is conventional big screen display splicing structure chart
Fig. 2 is the topological diagram using the tiled display controller based on cloud computing technology of the present utility model
Fig. 3 is the overall structure figure using the tiled display controller based on cloud computing technology of the present utility model
Embodiment
Below, preferred embodiment of the present utility model is described in detail with reference to accompanying drawing.It should be noted that before this, the term used in this specification and claims book or word can not limited interpretation be implication in common implication or dictionary, and should based in order to illustrate that principle that the novel people of its practical novel practical can carry out suitably definition to the concept of term is interpreted as meeting implication and the concept of the utility model technological thought in the best way.Thereupon, the structure represented in embodiment described in this specification and accompanying drawing is one of the utility model most preferred embodiment, technological thought of the present utility model can not be represented completely, therefore should be understood that the various equivalent and variation that may to exist for the utility model and can carry out replacing.
Such as, in the middle of specification and claim, some vocabulary is employed to censure specific components.Those skilled in the art should understand, and hardware manufacturer may call same assembly with different noun.This specification and claims are not used as with the difference of title the mode distinguishing assembly, but are used as the criterion of differentiation with assembly difference functionally." comprising " mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word comprise directly any at this and be indirectly electrically connected means.Therefore, if describe a first device in literary composition to be coupled to one second device, then represent described first device and directly can be electrically connected at described second device, or be indirectly electrically connected to described second device by other devices or connection means.Specification subsequent descriptions is for implementing better embodiment of the present utility model, and right described description is to illustrate for the purpose of rule of the present utility model, and is not used to limit scope of the present utility model.Protection range of the present utility model is when being as the criterion depending on the claims person of defining.
Embodiment of the present utility model is explained below in conjunction with Figure of description.
As shown in Figure 1, in conventional video Control system architecture, all input pictures all must access in Video Controller, and all output images are exported by Video Controller.The core component of this kind of processing mode is multi-screen processor (image stitcher), and this kind of equipment mostly is pure Design of Hardware Architecture, without operating system.Decoding, the work of playing up of whole large-size screen monitors display image all concentrate in image stitcher and complete, and the system expandability is poor, and reliability is not high.
As shown in Figure 2, be shown as example with common 4 row 8 row large screen splicings, its system splicing principle is as follows, and system forms an overall local area network (LAN) by switch.Master node control and multiple stage child node controller are by exchange interface access to LAN.The image acquisition workstation of different-format is also by exchange interface access to LAN.Digital video stream signal or video server directly enter network by exchange interface, and analog video stream signal enters local area network (LAN) by image processing workstations.
The handling process of vision signal is: directly enter the digital video frequency flow of network or be sent to each child node controller through the analog video stream of image workstation input in the mode that network is mass-sended.Master node control is responsible for dividing and time scheduling management the multiple-aspect territory coordinate of this video flowing.The instruction that child node sends according to master node control to the Image Segmentation Using received, and is amplified the image of to one's name range of management, is played up process.
Main building block function is as follows: master node control: by gigabit or 10,000,000,000 network interface access switch, realizes the management to multiple child node controller in control flow check (Control Stream) mode.Major function is divide and time scheduling management the multiple-aspect territory coordinate of video flowing.
Child node controller: each child node controller has 4 road DVI to export.The connection with Mosaic screen is realized, meanwhile, by gigabit or 10,000,000,000 network interface access switch by 4 DVI cables.Multiple child node controller and master node control cooperatively form local area network (LAN).The major function of child node controller is the control command according to master node control, plays up and relevant treatment, and be correctly presented on connected 4 pieces of screens the displaying contents of 4 pieces of screens that it connects.
File server: by gigabit or 10,000,000,000 network interface access switch, realizes with the Large Volume Data of child node controller mutual, and is connected into internal control network further.Primary responsibility video, audio frequency word, image etc. show that the data of content store.
Image processing workstations: by gigabit or 10,000,000,000 network interface access switch, realizes with the Large Volume Data of child node controller mutual, and is connected into internal control network further.Primary responsibility is to the process of analog audio-video audio data.After analog audio-video audio data is converted into digital video signal by image workstation, enter network in video flowing mode, after carrying out relevant treatment further by master node control and child node controller, be presented on large-screen.
Digital video frequency flow: digital video signal, as the digital video signal of the equipment such as IP Camera, directly can pass through switch access network, realize with the Large Volume Data of child node controller mutual in data flow (Data Stream) mode, by master node control in the mode of control flow check (Control Stream), be responsible for distributing and display management data, realize large scale display by child node controller.
As shown in Figure 3, be the distributed combination image processing function of set at the tiled display controller medium cloud splicing controller based on cloud computing technology of the present utility model, IP flows decoded digital matrix functions and monitor video image synthesis processing capacity synthetic image processing platform.Cloud computing technology tiled display controller can export number and arrangement by arbitrary disposition, the combination arrangement that the server of different configuration can be arranged in user and be needed by client-side management makes dissimilar input signal any shift position on this combination, size is roamed, and the modes such as superposition show.
Cloud display controller sharpest edges are DIY, its image processing server can adopt the general video card of main flow PC+ polylith in the market to make, so greatly save the cost of image processing platform server, can by decoding capability, video driver ability, the different demand of image-capable, the performance of arbitrary disposition server and output channel, managed the server of multiple difference configuration by uniform client, realize the combination driving different scales arrangement.Owing to can adopt multiple server can simultaneously distributed work, every station server has the powerful display capabilities of the powerful CPU disposal ability of main flow PC and video card, make whole system decoding capability simultaneously and image-capable restricted hardly.The combination that multiple image processor drives can regard an overall large monitor as, dissimilar input signal is made (to comprise analog video, RGB, DVI, HDMI, DP, sdi signal becomes IP stream and IP video stream signal through universal coding) any shift position on this combination, size is roamed, the modes such as superposition show, and user can using any synthesis of each monitor of combination as multiple monitored picture, and repeating query is as base map, to needs optional position on combination, signal Overlapping display on monitored picture base map of size roaming.All kinds of IP that cloud controller has the current main flow producer of compatible input monitor code stream, there is many picture output playback while of exporting preview, video recording, flexibly picture composition, quick switching, timing repeating query, unified prediction scheme, virtual TV wall, time retrieval, directly control video wall epigraph The Cloud Terrace, secondary exports the powers such as control, warning, long-range encoding device configuration, can be large-scale supervisory control system and provides efficient, reliable professional solution.
For the market demand of cloud computing technology tiled display controller, in the solution of different system, combination can select the display units such as LCD, LED, MPDP, DLP, projecting apparatus, and software adopts multimedia control display system.
System is primarily of n estrade Node Controller, 4n or 8n block ultra-narrow limit liquid crystal display, two master node control, server, network system and systems soft ware compositions.The basic platform of child node controller, master node control and express network construction system high-performance display, file server, streaming media server and high definition video collecting server realize the unified management to Large Volume Data and digital stream media, and large-screen management server realizes unified management large-screen being shown to signal and scheduling.
System is controlled by gigabit and data network forms jointly.Each Node Controller and kilomega network connect.Gigabit networking is made up of jointly 48 mouthfuls of gigabit switch clusters and six class netting twines, and main task is for transmitting large-capacity video stream and graphic image data transmission.
It should be noted that, although above-mentioned explanation illustrate and describes some preferred embodiments of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and and can in utility model contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from spirit and scope of the present utility model, then all should in the protection range of the utility model claims.
Claims (2)
1. the tiled display controller based on cloud computing technology, comprise the distributed cloud controller of multiple stage, multiple stage switch, it is characterized in that: multiple stage switch forms local area network (LAN) by cascade, the transmission channel of data and control command is provided, form the framework core of IP network; Multiple stage distributed cloud controller accesses the switch of corresponding level, and is connected with corresponding display by video connecting line, and cloud controller adopts PCI-E bus mother board and is equipped with Inter processor; Described distributed cloud controller is professional high performance controller, the mode of grading control is adopted to be configured, i.e. master node control connexon Node Controller, every platform distributed cloud controller wherein as child node can connect 4 or 8 display units as an independent Node Controller routine, as user needs, can expand, expansion quantity is the integral multiple of 4.
2. the tiled display controller based on cloud computing technology according to claim 1, is characterized in that: the configuration mode adopting grading control: n estrade Node Controller, two master node controls, server, network system compositions; The basic platform of child node controller, master node control and express network construction system high-performance display; Each Node Controller and kilomega network connect.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640004A (en) * | 2019-01-25 | 2019-04-16 | 北京电子工程总体研究所 | A kind of the computer video transmission method and system of low bandwidth |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640004A (en) * | 2019-01-25 | 2019-04-16 | 北京电子工程总体研究所 | A kind of the computer video transmission method and system of low bandwidth |
| CN109640004B (en) * | 2019-01-25 | 2021-11-30 | 北京电子工程总体研究所 | Low-bandwidth computer video transmission method and system |
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