CN103531172A - Bandwidth regulating equipment and bandwidth regulating method for multi-screen integrated display system - Google Patents
Bandwidth regulating equipment and bandwidth regulating method for multi-screen integrated display system Download PDFInfo
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- CN103531172A CN103531172A CN201310484687.6A CN201310484687A CN103531172A CN 103531172 A CN103531172 A CN 103531172A CN 201310484687 A CN201310484687 A CN 201310484687A CN 103531172 A CN103531172 A CN 103531172A
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Abstract
The invention discloses bandwidth regulating equipment for a multi-screen integrated display system. The bandwidth regulating equipment comprises a base device, a traversing device and a regulating device, wherein acquired overall information is output to the traversing device by the base device; the calculation used bandwidth and the residual bandwidth of each display module are calculated, and the information of the display module with insufficient bandwidth, the bandwidth use information of the display module and the residual bandwidth information of a display system are sent to the regulating device by the traversing device; the bandwidth allocation of each display module is regulated by previously designed bandwidth allocation principles according to the information which is sent by the traversing device by the regulating device, the traversing device can be triggered to start and traverse again, the bandwidth is regulated again by the previously designed bandwidth allocation principles, and operation is repeated until no insufficient bandwidth information about the display module occurs. The invention further discloses a bandwidth regulating method for the multi-screen integrated display system. In the implementation process, the bandwidth of each display module is dynamically regulated, so that the bandwidth of the system is fully utilized, the energy consumption of the system is lowered, the debugging time is shortened, and the debugging accuracy is improved.
Description
Technical field
The present invention and a kind of bandwidth for multi-screen integrated display system are adjusted equipment, 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 forms ，Ru projector, liquid crystal display, LED televisor etc. by many identical display devices, and Main Function is the signal that shows access.Control module is responsible for the sequential processes that signal is inputted, processes, exported, and equipment such as hardware embedded Control matrix, PC framework controllers, consists of.Multi-screen integrated display system has application in all conglomeraties and field.The key operations such as the monitoring of the industries such as electric power, chemical industry, the energy, environment, scheduling are all used multi-screen integrated display system as important demonstration, operating platform.In fields such as video conference, video monitoring, remote teaching, tele-medicines, multi-screen order integrated display system has played extremely important effect therein.
At present, in multi-screen integrated display system control field, bandwidth as important system resource, was determined, in implementation process, is no longer adjusted before system is disposed.In traditional multi-screen integrated display system, after various parts configuration is determined, bandwidth is determined thereupon, becomes the curing attribute of product.The installation of product, debugging, operation all do not relate to for bandwidth and debugging.Its problem and shortcoming:
1) because allocated bandwidth is unreasonable, cause system to block at certain node, affected the smoothness operation of whole system
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 is to provide under a kind of prerequisite determining display system bandwidth can show to residue the bandwidth adjustment equipment of the multi-screen integrated display system that bandwidth resources are redistributed.The present invention also provides 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 of the present invention is adjusted equipment, comprising:
Base apparatus: can obtain the global information of display module, export the global information obtaining to traversal device;
Global information comprises system configuration, board bandwidth, total bandwidth, board arrangement mode etc.The mode of obtaining is divided into automatic acquisition and manually inputs two kinds.The data such as system configuration, board bandwidth, total bandwidth can read by control system communications protocol and obtain, and board arrangement mode can acquire by the mode of artificial input.
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 is each display module to be carried out to the calculating of utilized bandwidth and remaining bandwidth, and the situation that whether has bandwidth not enough (being that remaining bandwidth is less than zero);
Adjusting gear: send the displays information from them, display module utilized bandwidth information of bandwidth deficiency and show that remaining bandwidth information adjusts each display module allocated bandwidth by design bandwidth distribution principle in advance according to traversal device, it can trigger traversal device and start traversal again, if the displays information from them that occurs bandwidth deficiency is carried out bandwidth adjustment by design bandwidth distribution principle in advance again, so repeat, until do not have the displays information from them of bandwidth deficiency to occur.
An 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 of obtaining is divided into automatic acquisition and manually inputs two kinds.The data such as system configuration, board bandwidth, total bandwidth can read by control system communications protocol and obtain, and board arrangement mode can acquire by the mode of artificial input.
2) each display module of multi-screen integrated display system is carried out to calculating of utilized bandwidth and remaining bandwidth, record displays information from them, display module utilized bandwidth information and the system spare bandwidth information of bandwidth deficiency;
This process is carried out the calculating of utilized bandwidth and remaining bandwidth to each display module, and the situation that whether has bandwidth not enough (being that remaining bandwidth is less than zero);
3) 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, adjust each display module allocated bandwidth;
4) again each display module of system is carried out to calculating of utilized bandwidth and remaining bandwidth, if the displays information from them that occurs bandwidth deficiency repeating step 3), if do not have the displays information from them of bandwidth deficiency to occur completing allocated bandwidth.
The present invention can adjust the bandwidth of each display module dynamically in implementation process, system bandwidth is fully used, thereby bring into play to greatest extent bandwidth effect, at utmost reduce function, functional limitation's property because limit bandwidth brings, 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 that bandwidth of the present invention is adjusted equipment one embodiment.
Fig. 2 is the schematic flow sheet of bandwidth adjusting method of the present invention.
Embodiment
As shown in Figure 1, bandwidth of the present invention is adjusted equipment one embodiment, comprising:
Base apparatus: the global information such as system configuration, board bandwidth, total bandwidth, board arrangement mode that can obtain display module, the mode of obtaining is divided into automatic acquisition and manually inputs two kinds, the data such as system configuration, board bandwidth, total bandwidth can read by control system communications protocol and obtain, board arrangement mode can acquire by the mode of artificial input, and base apparatus exports the global information obtaining 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 is each display module to be carried out to the calculating of utilized bandwidth and remaining bandwidth, and the situation that whether has bandwidth not enough (being that remaining bandwidth is less than zero);
Adjusting gear: send the displays information from them, display module utilized bandwidth information of bandwidth deficiency and show that remaining bandwidth information adjusts each display module allocated bandwidth by design bandwidth distribution principle in advance according to traversal device, it can trigger traversal device and start traversal again, if the displays information from them that occurs bandwidth deficiency is carried out bandwidth adjustment by design bandwidth distribution principle in advance again, so repeat, 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 of obtaining is divided into automatic acquisition and manually inputs two kinds.The data such as system configuration, board bandwidth, total bandwidth can read by control system communications protocol and obtain, and board arrangement mode can acquire by the mode of artificial input.
2) each display module of multi-screen integrated display system is carried out to calculating of utilized bandwidth and remaining bandwidth, record displays information from them, display module utilized bandwidth information and the system spare bandwidth information of bandwidth deficiency;
This process is carried out the calculating of utilized bandwidth and remaining bandwidth to each display module, and the situation that whether has bandwidth not enough (being that 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 is calculated by bus type mode, the bandwidth sum of all display modules, is overall system bandwidth; When bandwidth is calculated by partition type mode, all there is the bandwidth usable range of self 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 is used
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 modules distribute is also different.For example, the bandwidth that binary channels DVI display module distributes is different from the bandwidth that single channel DVI display module distributes.The bandwidth that each display module is used, is determined by the current running status of this display module.Specifically, refer to the current video signal data amount being access in of this display module.For example, a display module is access in Liao San road VGA signal, and the bandwidth that this display module is used is 3x VGA signal data amount.Calculate the related variable of video signal data amount more, comprise resolution, refresh rate, acquisition rate etc.
3) 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, adjust each display module allocated bandwidth;
For example, multi-screen integrated display system be may be partitioned into 10 display modules.Described in above, the remaining bandwidth vector that calculates successively each display module is:
-10，0，5，-2，7，10，3，2，4，1
For negative, there is the situation of bandwidth deficiency in the remaining bandwidth of No. 1 display module and No. 4 display modules.Its external manifestation that may occur comprises signal delay, frame losing, loses response etc.
When traveling through to No. 1 display module, system detects bandwidth deficiency.With the deficit amount (10) that is about to bandwidth, be broadcast to all the other display modules, find that No. 6 display modules just have enough bandwidth left resources, can fill up the deficit amount of No. 1 display unit.System is just removed the deficit amount of No. 1 display module, 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
System traversal to No. 2, during No. 3 display modules, its remaining bandwidth detected and be all greater than 0, therefore do not operate;
When system travels through to No. 4 display modules, make to adjust in the same way its deficit to 8 display module.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, thereby has realized the maximum using of system bandwidth;
4) again each display module of system is carried out to calculating of utilized bandwidth and remaining bandwidth, if the displays information from them that occurs bandwidth deficiency repeating step 3), if do not have the displays information from them of bandwidth deficiency to occur completing allocated bandwidth.
Below through the specific embodiment and the embodiment the present invention is had been described in detail, 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. multi-screen integrated display system bandwidth is adjusted an equipment, it is characterized in that, comprising:
Base apparatus: can obtain the global information of display module, export the global information obtaining 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 the displays information from them, display module utilized bandwidth information of bandwidth deficiency and show that remaining bandwidth information adjusts each display module allocated bandwidth by design bandwidth distribution principle in advance according to traversal device, it can trigger traversal device and start traversal again, if the displays information from them that occurs bandwidth deficiency is carried out bandwidth adjustment by design bandwidth distribution principle in advance again, so repeat, until do not have the displays information from them of bandwidth deficiency to occur.
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;
2) each display module of multi-screen integrated display system is carried out to calculating of utilized bandwidth and remaining bandwidth, record displays information from them, display module utilized bandwidth information and the system spare bandwidth information of bandwidth deficiency;
3) 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, adjust each display module allocated bandwidth;
4) again each display module of system is carried out to calculating of utilized bandwidth and remaining bandwidth, if the displays information from them that occurs bandwidth deficiency repeating step 3), if do not have the displays information from them of bandwidth deficiency to occur completing allocated bandwidth.
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