CN102097085A - Method and device for identifying system spliced by multiple display units - Google Patents
Method and device for identifying system spliced by multiple display units Download PDFInfo
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Abstract
The invention provides a method and device for identifying a system spliced by multiple display units. The system comprises multiple display units which are connected in turn, wherein each display unit comprises an output port and an input port, and the output port of a previous display unit is connected to the input port of a next display unit. The system also comprises a control device for controlling display images of the multiple display units, wherein each display unit comprises a master control module and a signal input and output circuit which are connected with each other, so that the ring joint mode of a digital video interactive (DVI) ring joint cable can be determined quickly, and whether the ring joint sequence is abnormal or not can be confirmed.
Description
Technical field
The present invention relates to the field of splicing system, the recognition methods of particularly a plurality of display unit splicing systems and device thereof.
Background technology
Along with the increasing of splice displaying system, the signal of importing is encircled into encircling out, to reach the effect that the whole wall roaming of signal is windowed because each display unit in the splicing system all needs to use the DVI cable.These articulating lines have the certain sequence relation, in case the ordinal relation entanglement is perhaps broken down, can cause the operation irregularity of splicing system.
The processing of articulating cable and inspection are for project installation and engineering debug personnel, maximum problem is when the element number of splicing increases, and is capable such as 10() the x5(row), the number of cables of display splicing wall back is very many, hundreds of root at least, thousands of at most.The articulating link breaks down, and can bring very big inconvenience to the user of engineering staff and system, and the modal problem that runs on the engineering mainly contains three at present:
1, inconvenience is checked the articulating cable;
In system building and debug phase, when in the numerous cable back of display splicing wall the articulating cable being connected up, the ordinal relation of articulating cable is very easy to confound, and is difficult to check.
Investigation difficulty when 2, the articulating cable breaks down;
When the articulating cable breaks down (connect not tense-lax take off or broken cable) in the normal process of using of system, because the number of cables of display splicing wall back is numerous, in the face of thousands of cables of whole display splicing wall hundreds of, can't in time find out out of order position fast, fault is repaired, and the application scenario of spliced display wall is exactly very high to requirement repair time of fault, and requirement can be repaired fast.
3, application software configuration articulating link is loaded down with trivial details;
Engineering in the past when the articulating cable is configured, needs each screen to go one by one to be provided with in using, and consuming time huge, efficient is lower, and automated procedures are low.
Summary of the invention
The technical problem to be solved in the present invention is in order to overcome above-mentioned shortcoming and defect of the prior art, to provide a kind of easy to detect, the recognition methods and the device thereof of a plurality of display unit splicing systems that can greatly raise the efficiency.
A kind of recognition methods of a plurality of display unit splicing systems, system comprises a plurality of display units that connect successively, each display unit respectively comprises an output port and input port, the output port of previous stage display unit is connected to the input port of next stage display unit, system also comprises the control device that is used to control a plurality of display unit display images, and described method comprises:
A. control device sends outer synchronous detection order to all display units, and each display unit begins to carry out detected state according to outer synchronous detection order:
Display unit receives inter-sync from the upper level display unit and detects data, internally sends to the next stage display unit through handling again after the synchronous detection data storing;
B. display unit detects data according to the inter-sync of storage, calls the corresponding picture that is pre-stored in the system the inside and shows.
Further, described outer synchronous detection order comprises the first outer synchronous detection order and the second outer synchronous detection order, also comprises in the steps A:
A1 at first control device sends the first outer synchronous detection order to all display units, and each display unit all enters detected state after receiving the first outer synchronous detection order that control device sends, and internal synchronous detection signal is set to initialization value;
The A2 control device is sending outside first after the synchronous detection order, then first display unit is sent the second outer synchronous detection order, and described first display unit is predefined first display unit as data transmission start point;
It is that first inter-sync detects data that A3 first display unit setting and preservation inter-sync detect data, simultaneously first inter-sync is detected and send to the next stage display unit after data add 1 processing, after each next stage display unit receives that the inter-sync of upper level display unit transmission detects data, store earlier and then with this inter-sync detect data add 1 handle after, pass to the display unit of next stage.
Further, also comprise among the step B:
The inter-sync that each display unit of B1 reads storage detects data, judges according to judgment rule whether these data are correct, correctly then changes B2, if the wrong B3 that then changes;
The B2 display unit detects data according to the inter-sync of reading and calls corresponding picture in the system and show;
The picture that the B3 display unit calls corresponding fault is presented on the current screen.
Further again, if detecting data for the inside of reading, the judgment rule among the step B1 equals the initialization value that inter-sync detects data, then judge this error in data, otherwise be judged as correct.
Preferably, the initialization value of described inter-sync detection signal is 0.
A kind of recognition device of a plurality of display unit splicing systems, system comprises a plurality of display units that connect successively, each display unit respectively comprises an output port and input port, the output port of previous stage display unit is connected to the input port of next stage display unit, system also comprises the control device that is used to control a plurality of display unit display images, and described display unit comprises interconnective main control module and signal input and output circuit;
Described control device is connected with the main control module of each display unit respectively;
The input/output module of display unit is used for being connected with the next stage display unit with upper level;
The outer synchronous detection order that main control module is used for receiving control device detects and controls display unit demonstration and the corresponding picture of inter-sync detection data to display unit by inter-sync detection data.
Described main control module comprises:
When the outer synchronous detection order that receives that control device sends, internally the synchronous detection data are set to the initialization submodule of initialization value;
After receiving that inter-sync that the upper level display unit sends detects data, store earlier and then with this inter-sync detect data add 1 handle after, pass to the transmission submodule of the display unit of next stage;
Detect data according to the inter-sync of reading and in system, call the correct display sub-module that corresponding picture shows;
The picture that calls corresponding fault is presented at the wrong display sub-module on the current screen;
The inter-sync of reading storage detects data, judges the differentiation submodule that these data are whether correct according to judgment rule, if correct, then calls correct display sub-module, denys true call error display sub-module.
Further, described display unit realizes that by DVI articulating link cascade connects, and described DVI articulating link is used for the signal of input is encircled into encircling out.
Compared with prior art, the present invention has following advantage:
1, can confirm the articulating mode of DVI link cable fast, confirm whether the articulating order is unusual.
2, can locate the out of order position of DVI articulating cable fast, the maintenance time when reduction system greatly is out of order especially for some difficult that safeguard, number of plies height, big system that the concatenation unit number is many, more can be brought into play tangible effect.
3, in engineering is used, when DVI articulating link is configured, can utilize the method for automatic detection, the ordinal relation of detected articulating link is imported in the upper application software automatically, greatly promote work efficiency.
4, it is big more to present invention is directed at system, and advantage is obvious more.
Description of drawings
8 display unit synoptic diagram of a plurality of display unit splicing system of Fig. 1 the present invention implementation column;
The a plurality of display unit splicing system of Fig. 2 the present invention DVI loop and control, system's basic structure synoptic diagram;
The a plurality of display unit splicing system of Fig. 3 the present invention loop display effect just often;
Display effect when a plurality of display unit splicing system of Fig. 4 the present invention loop is undesired.
Embodiment
1), the formation of splicing system, a plurality of display units are formed, example is an example with 8 unit, as shown in Figure 1;
2), connect by DVI articulating link between the tiled display unit, from first unit in the lower left corner, the output of the DVI articulating of each unit is linked into the articulating input of next stage, and one-level one-level articulating goes down, the hardware cascade circuit of forming an open loop, as shown in Figure 2.
3), after upper layer software (applications) sends " articulating detect beginning " order, signal begins transmission
A, upper strata Control Software broadcast transmission " enter the articulating signal check " order, allow each unit in the system all enter the articulating order and check state.
After B, each unit are subjected to articulating inspection order, send articulating inspection order and be given to the articulating input/output module, after the articulating input/output module is received articulating inspection order, enter the state that receives data.
4), upper layer software (applications) sends " articulating startup " order once more and is given to first unit that is positioned on the articulating link.First unit on the articulating link sends to next display unit to the data that are initialized as 1 16bit by DVI articulating link after receiving " articulating startup " order.
After A, next display unit are received the DVI articulating data that upper level comes, metadata cache in the register of self, is waited for that main control module reads.
After B, main control module have read articulating rank data, according to these articulating rank data, in the internal memory of self, access the corresponding digital picture, such as the articulating data of receiving is 3, then access the big picture that is shown as " 3 " in the picture library the inside of self storing, be presented on the display screen, as shown in Figure 3.
C, articulating input/output module are passed to next unit by DVI articulating link after the articulating data of receiving are added 1.
After the data of a unit are received in D, next unit, so analogize, data read, show and add 1 handle after, pass to next unit once more.So just can on the combination of each unit, can see intuitively articulating the level counted to that unit, what kind of the order of articulating is.
If E is in official hour, still the articulating data of not receiving the data of upper level unit or reading are " 0 ", then call corresponding " error " picture and be presented on the screen of this unit, the current articulating link of prompting operation person problem occurred at this element, as shown in Figure 4.
5), if each unit has all received the data of upper level, by the time after the articulating data of each unit all show, if the unusual situation of articulating link do not occur, upper layer software (applications) is sent out the order of " reading articulating information " again and is given each display unit, read the articulating data message of each display unit, according to the articulating data message that reads, in system software, dispose the articulating order of each unit automatically.
6), upper layer software (applications) sends articulating the finish command, the inspection on closure ring chain link road.
Claims (8)
1. the recognition methods of a plurality of display unit splicing systems, system comprises a plurality of display units that connect successively, each display unit respectively comprises an output port and input port, the output port of previous stage display unit is connected to the input port of next stage display unit, system also comprises the control device that is used to control a plurality of display unit display images, it is characterized in that described method comprises:
A. control device sends outer synchronous detection order to all display units, and each display unit begins to carry out detected state according to outer synchronous detection order:
Display unit receives inter-sync from the upper level display unit and detects data, internally sends to the next stage display unit through handling again after the synchronous detection data storing;
B. display unit detects data according to the inter-sync of storage, calls the corresponding picture that is pre-stored in the system the inside and shows.
2. the recognition methods of a plurality of display unit splicing systems according to claim 1 is characterized in that, described outer synchronous detection order comprises the first outer synchronous detection order and the second outer synchronous detection order, also comprises in the steps A:
A1 at first control device sends the first outer synchronous detection order to all display units, and each display unit all enters detected state after receiving the first outer synchronous detection order that control device sends, and internal synchronous detection data are set to initialization value;
The A2 control device is sending outside first after the synchronous detection order, then first display unit is sent the second outer synchronous detection order, and described first display unit is predefined first display unit as data transmission start point;
It is that first inter-sync detects data that A3 first display unit setting and preservation inter-sync detect data, simultaneously first inter-sync is detected and send to the next stage display unit after data add 1 processing, after each next stage display unit receives that the inter-sync of upper level display unit transmission detects data, store earlier and then with this inter-sync detect data add 1 handle after, pass to the display unit of next stage.
3. the recognition methods of described a plurality of display unit splicing systems according to claim 1 is characterized in that, also comprises among the step B:
The inter-sync that each display unit of B1 reads storage detects data, judges according to judgment rule whether these data are correct, correctly then changes B2, if the wrong B3 that then changes;
The B2 display unit detects data according to the inter-sync of reading and calls corresponding picture in the system and show;
The picture that the B3 display unit calls corresponding fault is presented on the current screen.
4. the recognition methods of a plurality of display unit splicing systems according to claim 3, it is characterized in that, equal the initialization value that inter-sync detects data if the judgment rule among the step B1 detects data for the inside of reading, then judge this error in data, otherwise be judged as correct.
5. the recognition methods of a plurality of display unit splicing systems according to claim 3 is characterized in that, the initialization value that described inter-sync detects data is 0.
6. the recognition device of a plurality of display unit splicing systems, system comprises a plurality of display units that connect successively, each display unit respectively comprises an output port and input port, the output port of previous stage display unit is connected to the input port of next stage display unit, system also comprises the control device that is used to control a plurality of display unit display images, it is characterized in that described display unit comprises interconnective main control module and signal input and output circuit;
Described control device is connected with the main control module of each display unit respectively;
The input/output module of display unit is used for being connected with the next stage display unit with upper level;
The outer synchronous detection order that main control module is used for receiving control device detects and controls display unit demonstration and the corresponding picture of inter-sync detection data to display unit by inter-sync detection data.
7. recognition device according to claim 6 is characterized in that, described main control module comprises:
When the outer synchronous detection order that receives that control device sends, internally the synchronous detection data are set to the initialization submodule of initialization value;
After receiving that inter-sync that the upper level display unit sends detects data, store earlier and then with this inter-sync detect data add 1 handle after, pass to the transmission submodule of the display unit of next stage;
Detect data according to the inter-sync of reading and in system, call the correct display sub-module that corresponding picture shows;
The picture that calls corresponding fault is presented at the wrong display sub-module on the current screen;
The inter-sync of reading storage detects data, judges the differentiation submodule that these data are whether correct according to judgment rule, if correct, then calls correct display sub-module, denys true call error display sub-module.
8. according to the recognition device of claim 6 or 7 described a plurality of display unit splicing systems, it is characterized in that described display unit realizes that by DVI articulating link cascade connects, described DVI articulating link is used for the signal of input is encircled into encircling out.
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| CN 201010604888 CN102097085B (en) | 2010-12-25 | 2010-12-25 | Method and device for identifying system spliced by multiple display units |
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| CN 201010604888 CN102097085B (en) | 2010-12-25 | 2010-12-25 | Method and device for identifying system spliced by multiple display units |
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| CN102446503A (en) * | 2011-10-28 | 2012-05-09 | 广东威创视讯科技股份有限公司 | Window expression method and system for large splicing wall signal source alarm |
| CN102867482A (en) * | 2012-09-17 | 2013-01-09 | 广东威创视讯科技股份有限公司 | Dot matrix LED (Light-Emitting Diode) screen module cascade configuration management method and device |
| CN103035223A (en) * | 2012-06-26 | 2013-04-10 | 苏州佳世达电通有限公司 | Displayer control system |
| CN103093740A (en) * | 2012-12-19 | 2013-05-08 | 广东威创视讯科技股份有限公司 | Tiled display system and mounting method of the same |
| CN104464617A (en) * | 2014-10-30 | 2015-03-25 | 深圳市明微电子股份有限公司 | Parallel display system and display devices thereof |
| CN104506782A (en) * | 2014-12-03 | 2015-04-08 | 福建捷联电子有限公司 | Method for intelligently generating serial display IDs (Identities) |
| CN104978162A (en) * | 2015-08-04 | 2015-10-14 | Tcl新技术（惠州）有限公司 | Jointing display system and jointing display control method |
| CN105549931A (en) * | 2015-12-10 | 2016-05-04 | 四川长虹电子系统有限公司 | USB (Universal Serial Bus) video splicing playing system |
| CN106161870A (en) * | 2015-04-10 | 2016-11-23 | 杭州海康威视数字技术股份有限公司 | A kind of multi-screen controls equipment and the system of synchronization |
| CN108829367A (en) * | 2018-06-22 | 2018-11-16 | 京东方科技集团股份有限公司 | Splicing display device and its configuration method, display server and its control method |
| CN109521982A (en) * | 2018-11-22 | 2019-03-26 | 宁波Gqy视讯股份有限公司 | Assist splice displaying system and method |
| EP3624098A4 (en) * | 2017-05-10 | 2020-04-22 | Xi'an Novastar Tech Co., Ltd. | Spliced display screen configuration method and device, and display screen control card |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102446503A (en) * | 2011-10-28 | 2012-05-09 | 广东威创视讯科技股份有限公司 | Window expression method and system for large splicing wall signal source alarm |
| CN103035223A (en) * | 2012-06-26 | 2013-04-10 | 苏州佳世达电通有限公司 | Displayer control system |
| CN103035223B (en) * | 2012-06-26 | 2015-06-10 | 苏州佳世达电通有限公司 | Displayer control system |
| CN102867482A (en) * | 2012-09-17 | 2013-01-09 | 广东威创视讯科技股份有限公司 | Dot matrix LED (Light-Emitting Diode) screen module cascade configuration management method and device |
| CN102867482B (en) * | 2012-09-17 | 2015-01-21 | 广东威创视讯科技股份有限公司 | Dot matrix LED (Light-Emitting Diode) screen module cascade configuration management method and device |
| CN103093740A (en) * | 2012-12-19 | 2013-05-08 | 广东威创视讯科技股份有限公司 | Tiled display system and mounting method of the same |
| CN103093740B (en) * | 2012-12-19 | 2015-10-07 | 广东威创视讯科技股份有限公司 | Splice displaying system and installation method thereof |
| CN104464617B (en) * | 2014-10-30 | 2017-05-24 | 深圳市明微电子股份有限公司 | Parallel display system and display devices thereof |
| CN104464617A (en) * | 2014-10-30 | 2015-03-25 | 深圳市明微电子股份有限公司 | Parallel display system and display devices thereof |
| CN104506782A (en) * | 2014-12-03 | 2015-04-08 | 福建捷联电子有限公司 | Method for intelligently generating serial display IDs (Identities) |
| CN106161870B (en) * | 2015-04-10 | 2019-09-13 | 杭州海康威视数字技术股份有限公司 | A kind of multi-screen control equipment and synchronization system |
| CN106161870A (en) * | 2015-04-10 | 2016-11-23 | 杭州海康威视数字技术股份有限公司 | A kind of multi-screen controls equipment and the system of synchronization |
| CN104978162B (en) * | 2015-08-04 | 2019-06-07 | Tcl新技术（惠州）有限公司 | Splice displaying system and its tiled display control method |
| CN104978162A (en) * | 2015-08-04 | 2015-10-14 | Tcl新技术（惠州）有限公司 | Jointing display system and jointing display control method |
| CN105549931A (en) * | 2015-12-10 | 2016-05-04 | 四川长虹电子系统有限公司 | USB (Universal Serial Bus) video splicing playing system |
| CN105549931B (en) * | 2015-12-10 | 2020-02-07 | 四川长虹电子系统有限公司 | USB video splicing and playing system |
| EP3624098A4 (en) * | 2017-05-10 | 2020-04-22 | Xi'an Novastar Tech Co., Ltd. | Spliced display screen configuration method and device, and display screen control card |
| CN108829367A (en) * | 2018-06-22 | 2018-11-16 | 京东方科技集团股份有限公司 | Splicing display device and its configuration method, display server and its control method |
| US11094281B2 (en) | 2018-06-22 | 2021-08-17 | Beijing Boe Display Technology Co., Ltd. | Spliced display device, configuration method thereof, display server and control method thereof |
| CN109521982A (en) * | 2018-11-22 | 2019-03-26 | 宁波Gqy视讯股份有限公司 | Assist splice displaying system and method |
| CN109521982B (en) * | 2018-11-22 | 2022-04-08 | 宁波Gqy视讯股份有限公司 | Auxiliary splicing display system and method |
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Address after: Kezhu road high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 233 510670 Patentee after: Wei Chong group Limited by Share Ltd Address before: 510663 No. 6, color road, hi tech Industrial Development Zone, Guangdong, Guangzhou, China Patentee before: Guangdong Weichuangshixun Science and Technology Co., Ltd. |
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