CN106899812A - The collocation method and system of a kind of LED display - Google Patents
The collocation method and system of a kind of LED display Download PDFInfo
- Publication number
- CN106899812A CN106899812A CN201710137995.XA CN201710137995A CN106899812A CN 106899812 A CN106899812 A CN 106899812A CN 201710137995 A CN201710137995 A CN 201710137995A CN 106899812 A CN106899812 A CN 106899812A
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- China
- Prior art keywords
- display
- numbering
- calibration
- son screen
- screen
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
Collocation method and system the invention discloses a kind of LED display include：Step one：LED display is installed；Step 2：Manipulation plate sends calibration command to host computer, and host computer is based on calibration command and sends to master controller default calibration view data；Master controller is based on default calibration view data and the display content of display son screen is calibrated；Step 3：The number and arrangement mode for setting the digital square of the manipulation tangible control of plate are consistent with the number and arrangement mode of display son screen, and the digital square that will be manipulated in plate sets up one-to-one relationship with display son screen；Step 4：When display screen display content and inconsistent calibration picture material, LED display is configured, update the numbering in mapping table, display shields the corresponding calibration view data of numbering after display updates；Until the content of all display screen displays is consistent with default calibration picture material respectively, the configuration of completion LED display rapidly and efficiently, lower-cost technique effect are realized.
Description
Technical field
The present invention relates to LED display installation process field, in particular it relates to a kind of collocation method of LED display and
System.
Background technology
In LED display control field, for different size, different resolution, application scenarios have various control system
Scheme.For extensive LED display, the structure of the LED display controller that it is used is general as shown in Figure 1 (referring to text
Offer：Xiao Jianming, the development [D] of extensive LED decoration system DVI video processors, South China Science ＆ Engineering University, 2010).One LED
Display screen is generally made up of multiple LED screens, and each LED screens are equipped with a sending card, to show one of video source images
Region.Extensive LED screen wants entirety and shows the complete video image of a width, it is necessary to assure the display content of every piece of son screen is pressed
Configured according to certain Cahn-Ingold-Prelog sequence rule.But in large-scale LED display, sub- screen number is more, come according to rule
Carry out assembling sub- screen and not only seem that workload is too big, accuracy is also difficult to be guaranteed, reduce engineering construction and the effect safeguarded
Rate.Once period loading error, LED display can show the video image of entanglement, it is necessary to ressemble.
It is CN102411880A in Authorization Notice No., entitled " a kind of LED display band carries configuration system and its configuration side
The collocation method of this class formation LED display is referred in the Chinese invention patent of method ".Its method for using is mainly according to screen
Acquiescence put and cabling rule is shielded to each piece of LED and is numbered and configures, but in the situation of extensive LED display
Under, the cabling for meeting certain rule can reduce operating efficiency, the competency profiling to assembly crewman be improved, so as to increase whole LED
The installation cost of screen.
In sum, present inventor has found above-mentioned technology extremely during the present application technical scheme is realized
There is following technical problem less：
In the prior art, existing LED display exists during configuration is installed needs substantial amounts of artificial participation
Less efficient, relatively costly technical problem.
The content of the invention
The invention provides the collocation method and system of a kind of LED display, solve existing LED display and installing
Less efficient, relatively costly technical problem is manually participated in the presence of needs are substantial amounts of during configuration, is realized rapidly and efficiently
Completion LED display configuration, lower-cost technique effect.
In order to solve the above technical problems, this application provides a kind of efficiently matching somebody with somebody based on above-mentioned LED display control system
Put method, its system architecture as shown in Fig. 2 manipulation plate by wired or wireless mode to host computer send configuration data, on
Position machine uses special control mode, and control command is sent to master controller by USB interface, and video counts are sent by DVI interface
According to；Master controller is the core of whole control system, realizes data storage, conversion and various control functions.Connect by USB interface
Receive the control command of PC and parse, to realize the various functions that user requires.The video data of PC is received by DVI interface
And complete its conversion, storage, distribution and correct, then sent downwards to sending card by RJ45 interfaces；Sending card completes video
Presentation control function of the data in LED screen.Sending card is adjusted by the RJ45 interfaces content itself to be shown using PWM
System, serially transfers to LED screen to realize various scan modes, is not belonging to the data of itself display then sequentially toward next piece of sending card
Transmission；LED display son screens carry drive circuit, the various displays of completion system requirement.
The present invention increased one block of manipulation plate on the basis of original host computer, master controller and display portion.Manipulation
Plate can be flat board, mobile phone or special controlling equipment, and the digital square of some tangible controls is shown as on its touch-screen,
The quantity and arrangement mode of digital square are identical with LED screens.If desired certain two pieces or polylith LED are exchanged and shields display pattern
Position, only by corresponding digital square on the operation exchange manipulation plate such as touch, and need to send the representative volume of respective digital square
Number.The exchange numbering order that manipulation plate sends is transmitted to host computer by wired or wireless mode.Host computer one side
Effect is to utilize DVI interface to transmit image or video data to be used to show to master controller, is on the other hand transmitted to master controller
Control signal, generates new numbered sequence and reaches master controller by USB interface after host computer parses manipulation order herein.It is main
Controller one side receives video data, and one side receives the numbered sequence from host computer and by numbering and data with mapping table
Form storage, and mapping table to display portion is sent, if receiving new numbered sequence, by the reception of original encoding sequence
The coded sequence for arriving replaces, and transmits.Display portion is main to be made up of some LED display screens and sending card, its structure such as Fig. 3
Shown, the line between sending card does not know, but the form for always cascading, and Main Function is to receive mapping table, drives LED screen to show
Show.
A kind of key step of the collocation method of extensive LED display of the present invention includes：
Step one：LED display part is installed by the initialization with manipulation plate.Display screen part includes display screen and sends
Card two parts, the installation of display screen part simultaneously need not follow any order, and after installation, every piece of sending card should be controlled with it
Display son screen position it is corresponding；All of display screen is combined into complete LED display.
Step 2：LED display calibration image sends：
Step 2.1：Manipulation plate sends initialization command；
Step 2.2：Host computer receives initialization command, and ready calibration view data is sent by DVI interface
To master controller, the corresponding display content in every piece of son screen of transmitted calibration view data should be different, there is obvious area
Not, it is easy to configuration；
Step 2.3：Master controller receives calibration view data and sequentially configures numbering for it, and numbering is formed with number with this
According to corresponding mapping table, store and send to display screen part；Due to being to be arranged in order, the initial number of host computer acquiescence is one
The natural number of string order change, is the number of display son screen to the maximum；
Step 2.4：Display screen part receives mapping table data successively, and the numbering that will be received is used as this display screen part
Numbering；Display data of the data that will be received as this display portion.So far each piece of display portion has the volume of oneself
Number and display data；Every piece of initial number of son screen can judge according to the calibration default display content of image；
Step 3：Manipulation plate initialization pattern.Number and the arrangement side of the digital square of the manipulation tangible control of plate are set
Formula is consistent with the number and arrangement mode of LED display son screens, and shows digital numbering per block number word square, for follow-up behaviour
Make.Position and numbering according to each height screen by being obtained in step 2, the digital square in mobile manipulation plate are compiled to sub- screen
Number corresponding position.So far, the digital square in manipulation plate establishes one-to-one relation with LED display son screens, just
Beginning chemical industry is completed.
Step 4：Manipulation plate steer mode；When LED display display content is not consistent with calibrating pattern, it is necessary to carry out
The configuration of LED display：
Selection needs two pieces of son screens of exchange position；
The position of digital square corresponding to recon screen in plate is manipulated；
Manipulation plate sends exchange digital command corresponding with digital square is exchanged；
Host computer reception exchanges digital command and exchanges corresponding digital order during first wife puts numbering and obtains new configuration volume
Number store and send to master controller；
The number order of former mapping table is substituted with new number order；
New mapping table is sent to display portion, the display for being updated.
Step 5：Repeat step four, the content shown until whole LED display and default calibration image complete
Cause.
The flow chart of the inventive method is as shown in Figure 4.It is used to carry out LED screen display contents in real time with one block of manipulation plate
Configuration, it is very convenient；The display pattern of LED screens is exchanged or changes using the mode for exchanging or changing configuration sequence number simultaneously, than
The physical location that manpower changes son screen is simpler efficiently.
One or more technical schemes that the application is provided, at least have the following technical effect that or advantage：
When extensive LED display is installed, the physical location of each LED screens can be arbitrarily arranged, after installation,
It is fast by way of touching configuration manipulation plate according to the actual conditions of LED displays screen entanglement after initial configuration before display screen
Speed exchanges the display content of each sub- screen, and untill configuration meets requirement, the physical location for changing son screen compared with manpower comes more
It is simple efficient, and cost is relatively low；The interaction for producing sub- screen entanglement to show is needed during extensive LED display normally display
During special efficacy, only need to be by touching configuration manipulation plate, under the cooperation of configuration manipulation software, it is possible to mutual needed for obtaining in real time
Dynamic special efficacy.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention；
Fig. 1 gives the reference configuration block diagram of LED display control system；
Fig. 2 gives structural representation involved by a kind of collocation method of extensive LED display of the present invention；
Fig. 3 gives the structure of display portion in a kind of collocation method structure of extensive LED display of the present invention
Schematic diagram；
Fig. 4 gives a kind of flow chart of the collocation method of extensive LED display of the present invention；
Fig. 5 is width calibration figure used in specification specific embodiment；
Fig. 6 is a kind of line graph of display portion used in specification specific embodiment；
Fig. 7 is that resulting data are reflected with numbering after master controller receives calibration diagram data in specification specific embodiment
Firing table；
For specification specific embodiment alignment data are arrived at, the display portion of random connection drives what screen display went out to Fig. 8
Pattern；
The display portion sending card institute serialization number knot of Fig. 9 random connections for specification specific embodiment alignment data are arrived at
Really；
Figure 10 is manipulation plate initial interface in specification specific embodiment；
Figure 11 be specification specific embodiment in manipulate plate according to screen display initialization after interface；
Figure 12 is the display interface after manipulation plate exchange " two " " six " two block number word square in specification specific embodiment；
Figure 13 is the produced new numbering sequence of 2,6 instructions of host computer reception exchange numeral in specification specific embodiment
Row；
Figure 14 is the mapping after numbered sequence is replaced by new numbered sequence in master controller in specification specific embodiment
Table；
Figure 15 is that display portion receives display result obtained by new mapping table in specification specific embodiment.
Specific embodiment
The invention provides the collocation method and system of a kind of LED display, solve existing LED display and installing
Less efficient, relatively costly technical problem is manually participated in the presence of needs are substantial amounts of during configuration, is realized rapidly and efficiently
Completion LED display configuration, lower-cost technique effect.
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting mutually, the application's
Feature in embodiment and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with the other modes in the range of using other being different from being described herein, therefore, protection scope of the present invention do not receive down
The limitation of specific embodiment disclosed in face.
Assuming that Fig. 5 is the calibration image of 2 × 3.By step one, LED display, figure are arbitrarily installed in cascaded fashion
6 is a kind of mounting means of the present embodiment, and the data wire of its sending card is sequence counter-clockwise cascade.By step 2, will calibrate
View data its send to LED display be used for correct.First by picture RGB data from host computer by DVI interface send to
Master controller.Master controller is carried out plus numbering to data, obtains the mapping table of a numbering and data, as shown in Figure 7.It is main
Control plate sends to display portion mapping table, and data are transmitted since first piece of display portion, accordingly, display portion interception one
Block packet, including mapping table numbering and mapping table data.After intercepting successively, each piece of display portion has oneself
Numbering and display data, numbering show that display data drives LED screen displays by drive circuit by sending card unit
Show, its display result is as shown in figure 8, its numbering result is as shown in Figure 9.By step 3, initialization manipulation plate, due to the present embodiment
Have 6 pieces of son screens and be 2 × 3 structures, therefore be 2 × 3 palace lattice and serial number by manipulation plate initial interface, as shown in Figure 10,
The digital square for manipulating plate is swapped to be shown its numerical digit and calibrates image one-to-one corresponding, as shown in figure 11.By step
Rapid four, because the display of LED display is not consistent with calibration figure.To reach the effect of calibration figure, it is necessary to exchange first aobvious
Show the position of B and display F, then exchange the position of display C and display E, finally exchange the position of display F and display D.First, if
Exchange display B with display F position, only need to manipulate plate send exchange with LED screen physical location or configure numbering it is corresponding
Digital square, square " two " and numbering corresponding to square " six " and B, F are corresponding here, as shown in figure 12.Host computer connects
The signal for exchanging numeral 2 and 6 is received, 2 in the numbered sequence of sample and 6 exchange sequences are produced into new numbered sequence, added
Manipulation identifies transmission to master controller, as shown in figure 13.Master controller receives new coded sequence, is covered original mapping
Sequence in table, obtains new mapping table, as shown in figure 14.New mapping table is sent to display portion, if new numbering with
Original numbering is consistent, just obtains its RGB data for showing that the result after being exchanged as shown in figure 15, successfully have exchanged B
With the display location of F.Similarly, C, E and F next need to be exchanged, the display location of D directly exchanges its numbering number in plate is manipulated
Word, such as C here, the numerical digit square " three " of E and " five ", numeral square " three " and " five " is sent out in directly exchanging manipulation plate
Go out the signal of exchange 3,5 to host computer, host computer produces 3,5 place-exchanges in the numbered sequence of last time operation generation new
Numbered sequence is used for replacing the numbered sequence of mapping table in master controller；F, D exchange display content and correspond on manipulation plate
" two " and " four ", its swap operation is ibid.
One or more technical schemes that the application is provided, at least have the following technical effect that or advantage：
When extensive LED display is installed, the physical location of each LED screens can be arbitrarily arranged, after installation,
It is fast by way of touching configuration manipulation plate according to the actual conditions of LED displays screen entanglement after initial configuration before display screen
Speed exchanges the display content of each sub- screen, and untill configuration meets requirement, the physical location for changing son screen compared with manpower comes more
It is simple efficient, and cost is relatively low；The interaction for producing sub- screen entanglement to show is needed during extensive LED display normally display
During special efficacy, only need to be by touching configuration manipulation plate, under the cooperation of configuration manipulation software, it is possible to mutual needed for obtaining in real time
Dynamic special efficacy.
Disclosed in this invention embodiment description method or can directly use hardware, computing device the step of algorithm
Software module, or the two combination implemented.Software module can be placed in random access memory (RAM), internal memory, read-only storage
Device (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology neck
In domain in known any other form of storage medium.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (6)
1. a kind of collocation method of LED display, it is characterised in that methods described includes：
Step one：LED display is installed, wherein, the display son screen in LED display is installed using random manner；
Step 2：Manipulation plate sends calibration command to host computer, and host computer is based on calibration command by default calibration view data hair
Deliver to master controller；Set up calibration view data reference numeral, the mapping table of numbering correspondence display son screen；Master controller is based on pre-
If calibration view data is calibrated to the display content of display son screen；
Step 3：The number of number and arrangement mode with display son screen and the row of the digital square of the manipulation tangible control of plate are set
Row mode is consistent, and each digital square shows digital numbering；The digital square that will be manipulated in plate sets up one with display son screen
One corresponding relation；
Step 4：When display screen display content is inconsistent with calibration picture material, LED display is configured, updated
Numbering in mapping table, the corresponding calibration view data of numbering after display son screen display renewal；
Step 5：Repeat step four, until the content of all display screen displays is consistent with default calibration picture material respectively.
2. the collocation method of LED display according to claim 1, it is characterised in that the master controller is based on default
Calibration view data is calibrated to the display content of display son screen, is specifically included：
Display son screen receives mapping table data successively, and the numbering that will be received shows the numbering of son screen as this；To receive
Data as this display son screen display data, according to display son screen display content it is whether consistent with default display content enter
Row calibration；The corresponding display content in every piece of son screen of transmitted calibration view data should be different.
3. the collocation method of LED display according to claim 1, it is characterised in that the digital square in plate will be manipulated
One-to-one relationship is set up with display son screen, specially：Position and numbering based on each height screen obtained in step 2, it is mobile
Digital square in manipulation plate shields the corresponding position of numbering to display.
4. the collocation method of LED display according to claim 1, it is characterised in that described to match somebody with somebody to LED display
Put, update the numbering in mapping table, display son screen shows the corresponding calibration view data of numbering after updating, specifically includes：
First, selection needs two pieces of exchange position to show son screen；
Then, two positions of the display corresponding numeral square of son screen are exchanged in plate is manipulated；
Then, manipulation plate sends exchange digital command corresponding with digital square is exchanged；
Then, host computer is received and exchanges digital command, exchanges the order that first wife puts correspondence numeral in numbering, is obtained new configuration and is compiled
Number store and send to master controller；
Then, the number order of former mapping table is substituted with new number order；
Then, based on new mapping table, display content is sent to display son screen, the display content for being updated.
5. the configuration system of a kind of LED display, it is characterised in that the system includes：
Manipulation plate, LED display, host computer, master controller, display wherein in LED display shield random installation at the scene,
Manipulation plate is connected with host computer, and host computer is connected with master controller, and host computer sends control instruction and video counts to master controller
According to；Master controller is transmitted to LED display after processing video data, and LED display shows to video data；Behaviour
Control plate is used to send calibration command to host computer, and host computer is based on calibration command and sends to main control default calibration view data
Device, sets up calibration view data reference numeral, and the mapping table of numbering correspondence display son screen, master controller is based on default calibration image
Data are calibrated to the display content of display son screen；Manipulation plate is provided with multiple numeral squares, the number of digital square and row
Row mode is consistent with the number and arrangement mode of display son screen, and each digital square shows digital numbering；In manipulation plate
Digital square is one-to-one relationship with display son screen；When display screen display content is inconsistent with calibration picture material, profit
The numbering in mapping table is updated with manipulation plate, display shields the corresponding calibration view data of numbering after display updates, until institute
There is the content of display son screen display consistent with default calibration picture material respectively.
6. the configuration system of LED display according to claim 5, it is characterised in that manipulation plate sends exchange numbering life
Make to host computer；On the one hand host computer is used to transmit view data to master controller for showing using DVI interface, on the other hand
For to master controller transmission of control signals；On the one hand master controller is used to receive view data, is on the one hand come from for reception
The numbered sequence of host computer is simultaneously stored numbering and data, and send mapping table to LED display in the form of mapping table, if connecing
New numbered sequence is received, then original encoding sequence is replaced with the newly encoded sequence for receiving；LED display is by some
LED display screens and sending card composition, sending card are used to receive mapping table, drive display son screen display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710137995.XA CN106899812A (en) | 2017-03-09 | 2017-03-09 | The collocation method and system of a kind of LED display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710137995.XA CN106899812A (en) | 2017-03-09 | 2017-03-09 | The collocation method and system of a kind of LED display |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147649A (en) * | 2017-06-28 | 2019-01-04 | 西安诺瓦电子科技有限公司 | Display screen control card |
| WO2020237582A1 (en) * | 2019-05-30 | 2020-12-03 | 西安诺瓦星云科技股份有限公司 | Display screen configuration method and configuration system, tiled display screen and display screen configuration parameter generation method |
| CN112292723A (en) * | 2019-03-13 | 2021-01-29 | 西安诺瓦星云科技股份有限公司 | Display screen configuration method, device and system |
| CN113360125A (en) * | 2020-03-05 | 2021-09-07 | 西安诺瓦星云科技股份有限公司 | Image display method, device and system |
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| CN105786419A (en) * | 2014-12-22 | 2016-07-20 | 杭州海康威视数字技术股份有限公司 | Multi-screen splicing display control method and device and multi-screen splicing display system |
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| CN109147649A (en) * | 2017-06-28 | 2019-01-04 | 西安诺瓦电子科技有限公司 | Display screen control card |
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| WO2020237582A1 (en) * | 2019-05-30 | 2020-12-03 | 西安诺瓦星云科技股份有限公司 | Display screen configuration method and configuration system, tiled display screen and display screen configuration parameter generation method |
| CN113360125A (en) * | 2020-03-05 | 2021-09-07 | 西安诺瓦星云科技股份有限公司 | Image display method, device and system |
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