CN103531172B - Multi-screen integrated display system Bandwidth adjustment equipment and method of adjustment thereof - Google Patents
Multi-screen integrated display system Bandwidth adjustment equipment and method of adjustment thereof Download PDFInfo
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- CN103531172B CN103531172B CN201310484687.6A CN201310484687A CN103531172B CN 103531172 B CN103531172 B CN 103531172B CN 201310484687 A CN201310484687 A CN 201310484687A CN 103531172 B CN103531172 B CN 103531172B
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Abstract
The invention discloses a kind of multi-screen integrated display system Bandwidth adjustment equipment, comprising: base apparatus: export the global information of acquisition to traversal device; Traversal device: each display module calculating utilized bandwidth and remaining bandwidth are calculated, the displays information from them of bandwidth deficiency, display module utilized bandwidth information and display system remaining bandwidth information are sent to adjusting gear; Adjusting gear: send information according to traversal device and adjust each display module allocated bandwidth by design bandwidth distribution principle in advance, it can trigger the startup of traversal device and travel through again, again carry out Bandwidth adjustment by design bandwidth distribution principle in advance, repetition like this, occurs to not having the displays information from them of bandwidth deficiency.The invention also discloses a kind of multi-screen integrated display system bandwidth adjusting method.The present invention adjusts the bandwidth of each display module dynamically in implementation process, system bandwidth is fully used, system energy consumption is reduced, and shortens debug time, improves debugging accuracy.
Description
Technical field
The present invention and a kind of Bandwidth adjustment equipment for multi-screen integrated display system, the invention still further relates to a kind of bandwidth adjusting method for multi-screen integrated display system.
Background technology
Multi-screen integrated display system comprises display module, control module two parts.Display module is made up of the identical display device of multiple stage, and as projector, liquid crystal display, LED television etc., Main Function is the signal of display access.Control module is responsible for the sequential processes inputting signal, process, export, and is made up of equipment such as hardware embedded Control matrix, PC framework controllers.Multi-screen integrated display system has application in all conglomeraties and field.The key operation such as monitoring, scheduling of the industries such as electric power, chemical industry, the energy, environment all uses multi-screen integrated display system as important display, operating platform.In fields such as video conference, video monitoring, remote teaching, tele-medicines, multi-screen order integrated display system serves extremely important effect wherein.
At present, in multi-screen integrated display system control field, bandwidth, as important system resource, was determined, is no longer adjusted in implementation process before system is disposed.In traditional multi-screen integrated display system, after various parts configuration is determined, bandwidth is determined thereupon, becomes the solidification attribute of product.The installation of product, debugging, operation all do not relate to debugs for bandwidth.Its problem and shortcoming:
1) because allocated bandwidth is unreasonable, cause system at certain node congestion, the smoothness that have impact on whole system is run
2) because allocated bandwidth is unreasonable, bandwidth is not fully utilized, and causes the waste of resource
Summary of the invention
The technical problem to be solved in the present invention can to the Bandwidth adjustment equipment of the multi-screen integrated display system that residue display bandwidth resources are redistributed under being to provide a kind of prerequisite determining display system bandwidth.Present invention also offers a kind of bandwidth adjusting method for multi-screen integrated display system.
For solving the problems of the technologies described above, multi-screen integrated display system Bandwidth adjustment equipment of the present invention, comprising:
Base apparatus: the global information that can obtain display module, exports the global information of acquisition to traversal device;
Global information comprises system configuration, board bandwidth, total bandwidth, board arrangement mode etc.The mode obtained is divided into automatic acquisition and artificial input two kinds.The data such as system configuration, board bandwidth, total bandwidth can be read by control system communications protocol and obtain, and board arrangement mode acquires by the mode manually inputted.
Traversal device: each display module calculating utilized bandwidth and remaining bandwidth are calculated, the displays information from them of bandwidth deficiency, display module utilized bandwidth information and display system remaining bandwidth information are sent to adjusting gear;
Traversal each display module is carried out to the calculating of utilized bandwidth and remaining bandwidth, and whether there is the situation of bandwidth deficiency (namely remaining bandwidth is less than zero);
Adjusting gear: send the displays information from them of bandwidth deficiency, display module utilized bandwidth information and display remaining bandwidth information according to traversal device and adjust each display module allocated bandwidth by design bandwidth distribution principle in advance, it can trigger the startup of traversal device and travel through again, if there is the displays information from them of bandwidth deficiency, again carry out Bandwidth adjustment by design bandwidth distribution principle in advance, repetition like this, until do not have the displays information from them of bandwidth deficiency to occur.
A kind of multi-screen integrated display system bandwidth adjusting method, comprising:
1) obtain global information, obtain the global information of each display module of multi-screen integrated display system;
Global information comprises system configuration, board bandwidth, total bandwidth, board arrangement mode etc.The mode obtained is divided into automatic acquisition and artificial input two kinds.The data such as system configuration, board bandwidth, total bandwidth can be read by control system communications protocol and obtain, and board arrangement mode acquires by the mode manually inputted.
2) the carrying out that each display module of multi-screen integrated display system carries out utilized bandwidth and remaining bandwidth is calculated, the displays information from them of record bandwidth deficiency, display module utilized bandwidth information and system spare bandwidth information;
This process carries out the calculating of utilized bandwidth and remaining bandwidth to each display module, and whether there is the situation of bandwidth deficiency (namely remaining bandwidth is less than zero);
3) each display module allocated bandwidth is adjusted according to the displays information from them of bandwidth deficiency, display module utilized bandwidth information and system spare bandwidth information by design bandwidth distribution principle in advance;
4) again the carrying out that each display module of system carries out utilized bandwidth and remaining bandwidth is calculated, if there is the displays information from them of bandwidth deficiency, repeat step 3), if do not have the displays information from them of bandwidth deficiency to occur, complete allocated bandwidth.
The present invention can adjust the bandwidth of each display module dynamically in implementation process, system bandwidth is fully used, thus play bandwidth effect to greatest extent, at utmost reduce because bandwidth limits function, the performance limitation brought, system energy consumption is reduced, shorten debug time, improve debugging accuracy.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the present invention is further detailed explanation:
Fig. 1 is the structural representation of Bandwidth adjustment equipment one embodiment of the present invention.
Fig. 2 is the schematic flow sheet of bandwidth adjusting method of the present invention.
Embodiment
As shown in Figure 1, Bandwidth adjustment equipment one embodiment of the present invention, comprising:
Base apparatus: the global informations such as the system configuration of display module, board bandwidth, total bandwidth, board arrangement mode can be obtained, the mode obtained is divided into automatic acquisition and artificial input two kinds, the data such as system configuration, board bandwidth, total bandwidth can be read by control system communications protocol and obtain, board arrangement mode acquires by the mode manually inputted, and base apparatus exports the global information of acquisition to traversal device;
Traversal device: each display module calculating utilized bandwidth and remaining bandwidth are calculated, the displays information from them of bandwidth deficiency, display module utilized bandwidth information and display system remaining bandwidth information are sent to adjusting gear;
Traversal each display module is carried out to the calculating of utilized bandwidth and remaining bandwidth, and whether there is the situation of bandwidth deficiency (namely remaining bandwidth is less than zero);
Adjusting gear: send the displays information from them of bandwidth deficiency, display module utilized bandwidth information and display remaining bandwidth information according to traversal device and adjust each display module allocated bandwidth by design bandwidth distribution principle in advance, it can trigger the startup of traversal device and travel through again, if there is the displays information from them of bandwidth deficiency, again carry out Bandwidth adjustment by design bandwidth distribution principle in advance, repetition like this, until do not have the displays information from them of bandwidth deficiency to occur.
As shown in Figure 2, bandwidth adjusting method of the present invention, comprising:
1) obtain global information, obtain the global information of each display module of multi-screen integrated display system;
Global information comprises system configuration, board bandwidth, total bandwidth, board arrangement mode etc.The mode obtained is divided into automatic acquisition and artificial input two kinds.The data such as system configuration, board bandwidth, total bandwidth can be read by control system communications protocol and obtain, and board arrangement mode acquires by the mode manually inputted.
2) the carrying out that each display module of multi-screen integrated display system carries out utilized bandwidth and remaining bandwidth is calculated, the displays information from them of record bandwidth deficiency, display module utilized bandwidth information and system spare bandwidth information;
This process carries out the calculating of utilized bandwidth and remaining bandwidth to each display module, and whether there is the situation of bandwidth deficiency (namely remaining bandwidth is less than zero);
At present, in multi-screen display system field, by bandwidth coverage classification, mainly contain two kinds of modes: bus type and partition type.When bandwidth calculates by bus type mode, the bandwidth sum of all display modules is overall system bandwidth; When bandwidth calculates by partition type mode, all there is self bandwidth usable range in each display module.The present invention is mainly towards the bandwidth calculation mode of partition type.
In partition type bandwidth coverage mode, the method for computation bandwidth is:
The bandwidth that the bandwidth that remaining bandwidth=each display module distributes-each display module uses
The bandwidth that each display module distributes, is determined by the performance of system equipment itself.In general, the bandwidth that display module of the same race distributes is identical, and the bandwidth that different display module distributes is also different.Such as, the binary channels DVI display module bandwidth of distributing is different from the bandwidth that single channel DVI display module distributes.The bandwidth that each display module uses, is determined by the current operating conditions of this display module.Specifically, the current video signal data amount be access in of this display module is referred to.Such as, a display module has been access in three road VGA signals, then the bandwidth that this display module uses is 3xVGA signal data amount.The variable calculated involved by video signal data amount is more, comprises resolution, refresh rate, acquisition rate etc.
3) each display module allocated bandwidth is adjusted according to the displays information from them of bandwidth deficiency, display module utilized bandwidth information and system spare bandwidth information by design bandwidth distribution principle in advance;
Such as, multi-screen integrated display system be may be partitioned into 10 display modules.Described in above, the remaining bandwidth vector calculating each display module is successively:
-10，0，5，-2，7，10，3，2，4，1
The remaining bandwidth of No. 1 display module and No. 4 display modules is negative, has namely occurred the situation of bandwidth deficiency.Its external manifestation that may occur comprises signal delay, frame losing, loses response etc.
When traveling through to No. 1 display module, systems axiol-ogy is not enough to bandwidth.Be broadcast to all the other display modules with the deficit amount (10) by bandwidth, find that No. 6 display modules just have enough bandwidth left resources, the deficit amount of No. 1 display unit can be filled up.The deficit amount of No. 1 display module is just removed by system, and adjusts the bandwidth left amount of No. 6 display modules.Now the remaining bandwidth vector of each display module is:
0，0，5，-2，7，0，3，2，4，1
When system goes to No. 2, No. 3 display modules, detect that its remaining bandwidth is all greater than 0, therefore do not operate;
During system goes to 4 display module, make to adjust its deficit to 8 display module in the same way.Now the remaining bandwidth vector of each display module is:
0，0，5，0，7，0，3，0，4，1
Now, in system, the remaining bandwidth resource of each display unit is greater than zero, thus achieves the maximum using of system bandwidth;
4) again the carrying out that each display module of system carries out utilized bandwidth and remaining bandwidth is calculated, if there is the displays information from them of bandwidth deficiency, repeat step 3), if do not have the displays information from them of bandwidth deficiency to occur, complete allocated bandwidth.
Below through the specific embodiment and the embodiment to invention has been detailed description, but these are not construed as limiting the invention.Without departing from the principles of the present invention, those skilled in the art also can make many distortion and improvement, and these also should be considered as protection scope of the present invention.
Claims (2)
1. a multi-screen integrated display system Bandwidth adjustment equipment, is characterized in that, comprising:
Base apparatus: the global information that can obtain display module, exports the global information of acquisition to traversal device;
Described global information comprises: system configuration, board bandwidth, total bandwidth, board arrangement mode;
Traversal device: each display module calculating utilized bandwidth and remaining bandwidth are calculated, the displays information from them of bandwidth deficiency, display module utilized bandwidth information and display system remaining bandwidth information are sent to adjusting gear;
Adjusting gear: send the displays information from them of bandwidth deficiency, display module utilized bandwidth information and display remaining bandwidth information according to traversal device and adjust each display module allocated bandwidth by design bandwidth distribution principle in advance, it can trigger the startup of traversal device and travel through again, if there is the displays information from them of bandwidth deficiency, again carry out Bandwidth adjustment by design bandwidth distribution principle in advance, repetition like this, until do not have the displays information from them of bandwidth deficiency to occur;
The described distribution principle of design bandwidth is in advance:
A) the remaining bandwidth vector of each display module is calculated;
B) will there is the allocated bandwidth of bandwidth left display module to the display module with bandwidth deficit amount;
C) repeated execution of steps A), B) until the remaining bandwidth vector of each display module is greater than zero.
2. a multi-screen integrated display system bandwidth adjusting method, is characterized in that, comprising:
1) obtain global information, obtain the global information of each display module of multi-screen integrated display system;
Described global information comprises: system configuration, board bandwidth, total bandwidth, board arrangement mode;
2) the carrying out that each display module of multi-screen integrated display system carries out utilized bandwidth and remaining bandwidth is calculated, the displays information from them of record bandwidth deficiency, display module utilized bandwidth information and system spare bandwidth information;
3) each display module allocated bandwidth is adjusted according to the displays information from them of bandwidth deficiency, display module utilized bandwidth information and system spare bandwidth information by design bandwidth distribution principle in advance;
4) again the carrying out that each display module of system carries out utilized bandwidth and remaining bandwidth is calculated, if there is the displays information from them of bandwidth deficiency, repeats step 3), if do not have the displays information from them of bandwidth deficiency to occur, complete allocated bandwidth;
The described distribution principle of design bandwidth is in advance:
A) the remaining bandwidth vector of each display module is calculated;
B) will there is the allocated bandwidth of bandwidth left display module to the display module with bandwidth deficit amount;
C) repeated execution of steps A), B) until the remaining bandwidth vector of each display module is greater than zero.
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| CN104240670B (en) * | 2014-10-10 | 2016-04-06 | 天津三星电子有限公司 | A kind of method of display parameter adjustment and display |
| CN104702859A (en) * | 2015-03-16 | 2015-06-10 | 南京巨鲨显示科技有限公司 | Ultra-high-definition splicing system and splicing method thereof |
| CN116389272B (en) * | 2023-04-11 | 2023-11-21 | 国家气象信息中心(中国气象局气象数据中心) | Broadcast channel statistical multiplexing method and device based on logic channel data volume correction |
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| CN102369704A (en) * | 2011-09-06 | 2012-03-07 | 华为技术有限公司 | Allotted bandwidth adjusting method and module, dynamic bandwidth distributing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2002096029A1 (en) * | 2001-05-18 | 2002-11-28 | Telstra Corporation Limited | Network bandwidth control |
| CN101146343B (en) * | 2006-09-13 | 2010-05-19 | 联想(北京)有限公司 | A bandwidth resource allocation method and device in mobile communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1691604A (en) * | 2004-04-30 | 2005-11-02 | 武汉烽火网络有限责任公司 | Method and apparatus for dynamic bandwidth allocation over an internet protocol telecommunications network |
| JP2010519799A (en) * | 2007-02-15 | 2010-06-03 | ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | Wireless connection handover |
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| CN101667407A (en) * | 2009-05-25 | 2010-03-10 | 北京中星微电子有限公司 | Bandwidth self-adapting image data accessing method, system and display control device |
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| CN102369704A (en) * | 2011-09-06 | 2012-03-07 | 华为技术有限公司 | Allotted bandwidth adjusting method and module, dynamic bandwidth distributing device |
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