LED display method for remote management and system
Technical field
The present invention relates to electrical communication technology, relate in particular to LED display method for remote management and system.
Background technology
Existing LED display system as shown in Figure 1, generally comprises a computer equipment 1, Video Controller 2 and LED display body 3, and computer equipment 1 is preserved video source data.
As shown in Figure 2, comprise a video control card 21 in the Video Controller 2, and power module, fan etc.
As shown in Figure 2, comprise DVI (digital visual interface: input port 21A Digital VisualInterface) in the video control card 21, synchronizing circuit, the Video processing logical circuit, output driving circuit, FPDP 21B also links to each other successively, DVI input port 21A directly links to each other with computer equipment 1, the receiver, video source data, 21 pairs of vision signals of video control card are carried out synchronously, the folding bag, resolve, coding, processing such as packing, FPDP 21B directly links to each other with LED display body 3 by netting twine 4, from FPDP 21B to LED display body 3 output video data, like this, video source data is sent to video control card 21 by computer equipment 1, is sent to LED display body 3 by video control card 21 by netting twine 4 again.
As shown in Figure 1, comprise a plurality of display units 31 in the LED display body 3, comprise a receiving card 32 in each display unit 31, on every receiving card 32, assign a corresponding branch card 33.
As shown in Figure 3, first data-interface 321, network adapter 322 are set on the receiving card 32 and show that control main control module 323 also links to each other successively, be connected by first data-interface 321 between each receiving card 32, wherein first data-interface 321 of a receiving card 32 directly links to each other with netting twine 4, every receiving card 32 is provided with a mechanical plucking number sign switch 324, this plucking number sign switch 324 links to each other with showing control main control module 323, in order to the device address setting of this receiving card 32.
As shown in Figure 3, LED driver module 331 is set on branch's card 33 also to link to each other with LED display interface module 332, LED driver module 331 is connected with showing control main control module 323, and LED display interface module 332 links to each other with led array module in the display unit 31.
As shown in figures 1 and 3, show video data or order that control main control module 323 receives from video control card 21 by the network adapter 322 and first data-interface 321, by network adapter 322, first data-interface 321 transmits video data or order to adjacent receiving card 32, perhaps according to the device address (judgement belongs to the signal of this receiving card) in video data or the order, be correlated with and unpack, after the decoding processing, LED driver module 331 in branch's card 33 sends corresponding display drive signals, display drive signals is passed to led array module in the display unit 31 by LED display interface module 332, and the led array module is finished corresponding demonstration.
In existing use, plucking number sign switch 324 is designed to binary multi-position switch, and the position with reflection display unit 31 reality on LED display body 3 is used in the video control operation of video playback to specific display unit 31.Like this, LED display body 3 build finish after, just need the artificially to adjust inner plucking number sign switch 324, make the ranks number/device address of its corresponding uniquely display unit 31 of coding (casing).The needs that have are opened each display unit 31 back at the scene toggle switch 324 are provided with, efficient is extremely low, through improving, can directly change the address behind at display unit 31, perhaps dispatch from the factory and finish the address in advance, and tick in display unit 31 outsides, try to locate by following up a clue when building, resequence according to mark, all there is the duplication of labour in above mode, the problem of inefficiency, and make mistakes the defective of poor reliability easily.
Summary of the invention
The object of the present invention is to provide and a kind ofly can avoid on-the-spot manually-operated LED display method for remote management and system, low to overcome in the prior art efficient, the defective of poor reliability.
LED display long-distance management system of the present invention; Comprise a computer equipment, Video Controller and LED display body; Described computer equipment is preserved video source data; At least comprise a video control card in the described Video Controller; Video source data is sent to video control card by computer equipment; Be sent to the LED display body by video control card by netting twine again; Comprise a plurality of display units in the described LED display body; Comprise a receiving card in each display unit; Assign a corresponding branch card at every receiving card; Wherein
First data-interface, network adapter and demonstration control main control module are set on the described receiving card also to link to each other successively, be connected by first data-interface between each receiving card, wherein first data-interface of a receiving card directly links to each other with netting twine, and every receiving card is provided with the corresponding apparatus address;
The LED driver module is set with the LED display interface module and link to each other on the described branch card, the LED driver module is controlled main control module with demonstration and is connected, and the LED display interface module links to each other with led array module in the display unit;
It is characterized in that: be provided with an address administration module in the described computer equipment, described address administration module is passed through video control card, process netting twine to receiving card transmitting apparatus address setting information, demonstration control main control module in the receiving card is provided with, preserves according to the device address of device address configuration information to this receiving card, and received device address configuration information is forwarded to adjacent receiving card.
First data-interface in the described receiving card comprises the first input data-interface and the first output data interface, wherein,
The first input data-interface of first receiving card directly links to each other with netting twine;
Alternately be connected in series by the first input data-interface and the first output data interface between the different receiving card;
Demonstration control main control module in the described receiving card is provided with calculating function, show that the control main control module is according to received device address configuration information, therefrom extracting receiving card basic equipment address is provided with, preserves as the device address of this receiving card, and, this shows that the control main control module upgrades the receiving card basic equipment address in the configuration information of device address according to calculating function, and sends it to adjacent receiving card.
Also comprise a data forwarding module in the described Video Controller, described video control card, data forwarding module directly link to each other with computer equipment respectively, link to each other by video signal cable between described video control card and the computer equipment, link to each other by order wire between described data forwarding module and the computer equipment.
Also be provided with branch's card control module on the described branch card, the environment monitoring module and second data-interface, described branch card control module and LED driver module, environment monitoring module links to each other with second data-interface, be connected by second data-interface between each branch's card, wherein second data-interface of branch's card directly links to each other with netting twine, every branch's card is provided with the corresponding apparatus address, correspondingly, also be provided with an environmental data administration module in the described computer equipment, wherein
Branch's card apparatus address setting information that branch's card control module sends by data forwarding module, netting twine, the second data-interface receiver address administration module, this branch's card control module is obtained the data of display drive signals by the LED driver module, data mode according to display drive signals is provided with, preserves the device address that this branch blocks, and received branch's card apparatus address setting information is forwarded to adjacent branch's card;
This branch's card control module also is sent to the environmental data administration module with ambient condition data that environment monitoring module detected and the branch card apparatus address that is associated by netting twine, data forwarding module;
The environmental data administration module is preserved the ambient condition data and the related branch card apparatus address that are received, and can show by computer equipment.
Described environmental data administration module can produce monitor command or directly issue monitor command according to received ambient condition data, the environmental data administration module is passed to branch's card with monitor command by data forwarding module, netting twine, according to the branch card apparatus address in the monitor command, the branch's card control module in the corresponding branch card is carried out described monitor command.
Second data-interface in the described branch card comprises the interface and the second data lower interface on second data, wherein,
The second data lower interface of first branch's card directly links to each other with netting twine;
Alternately be connected in series by the interface on second data and the second data lower interface between different branch's cards;
If the data mode of the display drive signals that described branch card control module is obtained is presented as selected state, branch's card control module is then extracted branch card basic equipment address and is provided with, preserves as the device address that this branch blocks from branch's card apparatus address setting information.
Described netting twine adopts 12 core network connections, and wherein 8 cores are connected between video control card and the receiving card, and other 4 core is connected between data forwarding module and the branch's card.
Described data forwarding module is the RS485/RS232 converter, and RS485 port wherein links to each other with netting twine, links to each other by order wire between RS232 port and the computer equipment.
LED display method for remote management of the present invention adopts following steps:
A, address administration module are passed through video control card, process netting twine to receiving card transmitting apparatus address setting information;
Demonstration control main control module in B, the receiving card is provided with, preserves according to the device address of device address configuration information to this receiving card, and received device address configuration information is forwarded to adjacent receiving card.
Described step B comprises the steps:
B1, first receiving card receiving equipment address setting information;
Demonstration in B2, receiving card control main control module is according to received device address configuration information, therefrom extracts receiving card basic equipment address and is provided with, preserves as the device address of this receiving card;
B3, this demonstration control main control module upgrade the receiving card basic equipment address in the configuration information of device address according to calculating function, and send it to adjacent receiving card;
B4, repetition above-mentioned steps B2-step B3 are provided with until the device address of finishing all receiving cards.
Described step B3 comprises the steps:
B31, demonstration control main control module add 1 back with receiving card basic equipment address and upgrade receiving card basic equipment address, produce the device address configuration information of renewal;
B32, demonstration control main control module are sent to adjacent receiving card with the device address configuration information of upgrading.
After the described step B, also comprise the steps:
C, the device address of branch card is set;
Branch's card control module in D, the branch's card is sent to the environmental data administration module with ambient condition data that environment monitoring module detected and the branch card apparatus address that is associated by netting twine, data forwarding module.
Described step C comprises the steps:
To receiving card transmitting apparatus address setting image selection information, the data mode of the display drive signals in the corresponding receiving card is presented as selected state by video control card, process netting twine for C1, address administration module;
C2, address administration module send branch's card apparatus address setting information by data forwarding module, netting twine to branch's card,
Branch's card control module in C3, the branch card obtains the data of display drive signals by the LED driver module, carries out following operation according to the data mode of display drive signals:
C31, if the data mode of obtained display drive signals is presented as selected state, this branch's card control module is then extracted branch card basic equipment address and is provided with, preserves as the device address of this branch card from branch's card apparatus address setting information;
C32 otherwise, this branch's card control module is forwarded to adjacent branch card with received branch's card apparatus address setting information;
C4, repetition above-mentioned steps C1-step C3 finish the setting of all branch card apparatus addresses.
Also comprise the steps D0 before the described step D:
D0, environmental data administration module are passed to branch's card with monitor command by data forwarding module, netting twine, and according to the branch card apparatus address in the monitor command, the branch's card control module in the corresponding branch card is carried out described monitor command.
Beneficial effect of the present invention is: in the present invention, the address administration module is by the video control card, the process netting twine is to receiving card transmitting apparatus address setting information, demonstration control main control module in the receiving card is provided with according to the device address of device address configuration information to this receiving card, preserve, received device address configuration information is forwarded to adjacent receiving card, adjacent receiving card can be provided with the device address of this receiving card again, preserve, be provided with until the device address of finishing all receiving cards, preserve, avoided manually-operated of the prior art, more do not need to finish in advance the address, the loaded down with trivial details operation of ticking in the display unit outside or the like, the present invention adopts the electronic information transmission of address administration module to receiving card, has realized efficient, the reliable device address setting, preservation work.
In the present invention, first data-interface in the receiving card comprises the first input data-interface and the first output data interface, the first input data-interface of first receiving card directly links to each other with netting twine, alternately be connected in series by the first input data-interface and the first output data interface between the different receiving card, demonstration control main control module in the described receiving card is provided with calculating function, show that the control main control module is according to received device address configuration information, therefrom extracting receiving card basic equipment address is provided with as the device address of this receiving card, preserve, and, this shows that the control main control module upgrades the receiving card basic equipment address in the configuration information of device address according to calculating function, and send it to adjacent receiving card, like this, first receiving card has been finished the device address and has been provided with, after the preservation, (for example adopt calculating function, receiving card basic equipment address adds 1 automatically) address setting of updating the equipment information, therefore, all receiving card has just been obtained a series, orderly device address, because receiving card is connected in series mutually, just can obtain display unit easily at position actual on the LED display body and the corresponding relation between the receiving card device address, further improve practicality of the present invention and reliability.
In the present invention, also be provided with branch's card control module, environment monitoring module and second data-interface on branch's card, in computer equipment, also be provided with an environmental data administration module, the present invention is by being provided with the device address of branch's card, adopt environment monitoring module acquisition environment status data and will be sent to the environmental data administration module, can make the present invention further realize long-range environmental monitoring, further expand function of the present invention, improve practicality of the present invention.
In the present invention, when the device address of branch's card is set, at first, the address administration module is by the video control card, the process netting twine is to receiving card transmitting apparatus address setting image selection information, the data mode of the display drive signals in the corresponding receiving card is presented as selected state, then, the address administration module is passed through data forwarding module, netting twine sends branch's card apparatus address setting information to branch's card, branch's card control module in branch's card is obtained the data of display drive signals by the LED driver module, if the data mode of obtained display drive signals is presented as selected state, this branch's card control module is then extracted branch card basic equipment address and is provided with as the device address that this branch blocks from branch's card apparatus address setting information, preserve, like this, in fact set up the corresponding relation between branch card apparatus address and the display unit/receiving card device address, make the environmental monitoring performance among the present invention more perfect, accurately, practicality of the present invention and reliability have further been improved.
Description of drawings
Fig. 1 is the structural representation of LED display system in the prior art;
Fig. 2 is the circuit theory diagrams of Video Controller in the prior art;
Fig. 3 is the circuit theory diagrams of receiving card in the prior art;
Fig. 4 is the embodiment of the invention 1 a general structure synoptic diagram;
Fig. 5 is the circuit theory diagrams of Video Controller in the embodiment of the invention 1;
Fig. 6 is the circuit theory diagrams of receiving card in the embodiment of the invention 1;
Fig. 7 is the connection diagram between the receiving card in the embodiment of the invention 1;
Fig. 8 is the embodiment of the invention 1 a basic controlling flow process synoptic diagram;
Fig. 9 is the embodiment of the invention 1 a concrete control flow synoptic diagram;
Figure 10 is the embodiment of the invention 2 general structure synoptic diagram;
Figure 11 is the circuit theory diagrams of Video Controller in the embodiment of the invention 2;
Figure 12 is the circuit theory diagrams of receiving card in the embodiment of the invention 2;
Figure 13 is between receiving card in the embodiment of the invention 2/branch's card and the connection diagram of Video Controller;
Figure 14 is the embodiment of the invention 2 basic controlling flow process synoptic diagram;
Figure 15 is the embodiment of the invention 2 concrete control flow synoptic diagram.
Embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
Embodiment 1:
According to Fig. 4, Fig. 5 and Fig. 6, present embodiment comprises a computer equipment 1, Video Controller 2 and LED display body 3, and computer equipment 1 is preserved video source data and an address administration module 5 is set.
As shown in Figure 5, comprise a video control card 21 in the Video Controller 2, and power module, fan etc.
As shown in Figure 5, comprise DVI input port 21A in the video control card 21, synchronizing circuit, the Video processing logical circuit, output driving circuit, FPDP 21B also links to each other successively, DVI input port 21A directly links to each other with computer equipment 1, the receiver, video source data, 21 pairs of vision signals of video control card are carried out synchronously, the folding bag, resolve, coding, processing such as packing, FPDP 21B directly links to each other with LED display body 3 by netting twine 4, from FPDP 21B to LED display body 3 output video data, like this, video source data is sent to video control card 21 by computer equipment 1, is sent to LED display body 3 by video control card 21 by netting twine 4 again.
As shown in Figure 4, comprise a plurality of display units 31 in the LED display body 3, comprise a receiving card 32 in each display unit 31, on every receiving card 32, assign a corresponding branch card 33.
As shown in Figure 6, first data-interface, network adapter 322 are set on the receiving card 32 and show that control main control module 323 also links to each other successively, wherein first data-interface comprises the first input data-interface 321A and the first output data interface 321B, as shown in Figure 7, the first input data-interface 321A of first receiving card 32 directly links to each other with netting twine 4, alternately is connected in series by the first input data-interface 321A and the first output data interface 321B between the different receiving card 32.
As shown in Figure 6, LED driver module 331 is set on branch's card 33 also to link to each other with LED display interface module 332, LED driver module 331 is connected with showing control main control module 323, and LED display interface module 332 links to each other with led array module in the display unit 31.
As Fig. 4 and shown in Figure 6, show video data or order that control main control module 323 receives from video control card 21 by the network adapter 322 and first data-interface 321, by network adapter 322, first data-interface 321 transmits video data or order to adjacent receiving card 32, perhaps according to the device address (judgement belongs to the signal of this receiving card) in video data or the order, be correlated with and unpack, after the decoding processing, LED driver module 331 in branch's card 33 sends corresponding display drive signals, display drive signals is passed to led array module in the display unit 31 by LED display interface module 332, and the led array module is finished corresponding demonstration.
In the present invention, address administration module 5 is at first passed through video control card 21, process netting twine 4 to receiving card 32 transmitting apparatus address setting information, show that control main control module 323 is provided with, preserves according to the device address of device address configuration information to this receiving card 32, demonstration control main control module 323 in the receiving card 32 is provided with calculating function, according to calculating function the receiving card basic equipment address in the configuration information of device address is upgraded, and sent it to adjacent receiving card 32.
As shown in Figure 8, the basic controlling flow process of present embodiment is as follows:
1) address administration module 5 is passed through video control card 21, process netting twine 4 to receiving card 32 transmitting apparatus address setting information.
2) control of the demonstration in the receiving card 32 main control module 323 is provided with, preserves according to the device address of device address configuration information to this receiving card 32, and received device address configuration information is forwarded to adjacent receiving card 32.
As shown in Figure 9, the concrete control flow of present embodiment is as follows:
1, address administration module 5 is passed through video control card 21, process netting twine 4 to receiving card 32 transmitting apparatus address setting information.
2, as shown in Figure 7, the input of first in first receiving card 32 data-interface 321A receiving equipment address setting information.
3, the demonstration in the receiving card 32 control main control module 323 is according to received device address configuration information, therefrom extracts receiving card basic equipment address and is provided with, preserves as the device address of this receiving card 32;
4, show that control main control module 323 adds 1 back with receiving card basic equipment address and upgrades receiving card basic equipment address, produce the device address configuration information of upgrading.
5, show that control main control module 323 is sent to next adjacent receiving card 32 with the device address configuration information of upgrading.
6, like this, repeat above-mentioned steps 3-step 5, be provided with until the device address of finishing all receiving cards 32.
Like this, all receiving card 32 has just been obtained a series, orderly device address, because receiving card 32 is connected in series mutually, under the situation of understanding receiving card 32 serial connection sequences, according to the in length and breadth quantity of display unit 31 in LED display body 3, computer equipment 1 is according to the device address of first receiving card 32, just can obtain concrete display unit 31 easily at position actual on the LED display body 3 and the corresponding relation between the receiving card device address, the conversion of this corresponding relation to those skilled in the art, can not need to pay creative work can implement, repeat no more, address administration module 5 can be finished relevant concrete calculating herein, operation etc.
Embodiment 2:
As Figure 10, Figure 11, Figure 12 and shown in Figure 13, the key distinction of present embodiment and embodiment 1 be following some: in the present embodiment,
One) as shown in figure 10, in the present embodiment, also is provided with an environmental data administration module 6 in the computer equipment 1.
Two) as shown in figure 11, in the present embodiment, also comprise a data forwarding module 22 in the Video Controller 2, video control card 21, data forwarding module 22 directly link to each other with computer equipment 1 respectively, link to each other by DVI video signal cable 211 between video control card 21 and the computer equipment 1, link to each other by order wire 221 between data forwarding module 22 and the computer equipment 1, particularly, data forwarding module 22 is the RS485/RS232 converter, RS485 port wherein links to each other with netting twine 4, links to each other by RS232 order wire 221 between RS232 port and the computer equipment 1.
Three) as shown in figure 12, in the present embodiment, also be provided with branch's card control module 333, environment monitoring module 334 and second data-interface on branch's card 33, branch's card control module 333 links to each other with LED driver module 331, environment monitoring module 334 and second data-interface.
As shown in figure 12, second data-interface in branch's card 33 comprises the interface 335A and the second data lower interface 335B on second data, and the second data lower interface 335B of first branch's card 33 directly links to each other with netting twine 4; Alternately be connected in series by the interface 335A on second data and the second data lower interface 335B between different branch's cards 33.
Four) as shown in figure 13, in the present embodiment, netting twine 4 adopts 12 core network connections, wherein 8 cores are connected between video control card 21 and the receiving card 32, other 4 core is connected between data forwarding module 22 and the branch's card 33, correspondingly, connect 8 core netting twines between the receiving card 32, connect 4 core netting twines between branch's card 33.
As shown in figure 12, branch's card apparatus address setting information that branch's card control module 333 sends by data forwarding module 22, netting twine 4, the second data-interface receiver address administration module 5, this branch's card control module 333 is obtained the data of display drive signals by LED driver module 331, be provided with, preserve according to the data mode of display drive signals device address, received branch's card apparatus address setting information is forwarded to adjacent branch's card 33 this branch card 33.
As shown in figure 12, branch's card control module 333 ambient condition data that also environment monitoring module 334 detected and branch card apparatus address that is associated is sent to environmental data administration module 6 by second data-interface, netting twine 4, data forwarding module 22.
As shown in figure 10, environmental data administration module 6 is preserved the ambient condition data and the related branch card apparatus address that are received, and can show by computer equipment 1.Environmental data administration module 6 can produce monitor command or directly issue monitor command according to received ambient condition data, environmental data administration module 6 is passed to branch's card 33 with monitor command by data forwarding module 22, netting twine 4, according to the branch card apparatus address in the monitor command, the branch's card control module 333 in the corresponding branch card 33 is carried out described monitor command.
As shown in figure 14, the basic controlling flow process of present embodiment is as follows:
I, the device address of receiving card 32 is set.
II, the device address of branch card 33 is set.
Ambient condition data that branch's card control module 333 in III, the branch card 33 is detected environment monitoring module 334 and the branch card apparatus address that is associated are sent to environmental data administration module 6 by netting twine 4, data forwarding module 22.
As shown in figure 15, the concrete control flow of present embodiment is as follows:
I, the device address of receiving card 32 is set, its concrete operations flow process is described identical with embodiment 1, repeats no more herein.
Ii, address administration module 5 by video control card 21, through 8 core netting twines 4 to receiving card 32 transmitting apparatus address setting image selection information, the data mode of the display drive signals in the corresponding receiving card 32 is presented as selected state, concrete data as for this selected state, key is the concrete data of this selected state and other concrete data difference to some extent, this to those skilled in the art, can not need to pay creative work and can implement multiple mode, repeat no more herein.From embodying intuitively, that is, the shown image of all display units of the image that display unit 31 is shown and other 31 is different.
Iii, address administration module 5 send branch's card apparatus address setting information by data forwarding module 22,4 core netting twines 4 to branch's card 33.
Branch's card control module 333 in iv, the branch card 33 obtains the data of display drive signals by LED driver module 331, carries out following operation according to the data mode of display drive signals:
Iv1, if the data mode of obtained display drive signals is presented as selected state, 333 of this branch's card control modules are extracted branch card basic equipment address and are provided with, preserve as the device address of this branch card 33 from branch's card apparatus address setting information, continue following steps v.
Iv2 otherwise, this branch's card control module 333 is forwarded to next adjacent branch card 33 with received branch's card apparatus address setting information, returns above-mentioned steps iv.
V, repetition above-mentioned steps ii-step I v finish the setting that all branches block 33 device addresses, and in the device address of this branch card 33 was provided with, its process can be simplified as follows:
The device address is provided with image selection information → branch's card apparatus address setting information → choose → branch card apparatus address
Because the device address is provided with the device address that has in fact comprised receiving card 32 in the image selection information, in fact this single choosing set up the corresponding relation of receiving card device address and respective branch card apparatus address, in computer equipment 1, can preserve relevant corresponding data, like this, also just established concrete display unit 31 at position actual on the LED display body 3 and the corresponding relation between the branch card apparatus address, the conversion of this corresponding relation to those skilled in the art, can not need to pay creative work can implement, repeat no more, address administration module 5 can be finished relevant concrete calculating herein, operation.
After the setting that all branches block 33 device addresses is finished, continue following steps vi.
Vi, environmental data administration module 6 will start monitor command and be passed to branch's card 33 by data forwarding module 22,4 core netting twines 4, according to the branch card apparatus address that starts in the monitor command, branch's card control module 333 in the corresponding branch card 33 is carried out described startup monitor command, begin to carry out the collection of ambient condition data, the ambient condition data of being gathered can comprise temperature, humidity, the smog degree of respective display unit 31, and overcurrent of related hardware, overvoltage, detection of electrical leakage data etc.
Ambient condition data that branch's card control module 333 in vii, the branch card 33 is detected environment monitoring module 334 and the branch card apparatus address that is associated are sent to environmental data administration module 6 by 4 core netting twines 4, data forwarding module 22.
Viii, can pass through computer equipment 1 display environment status data and relevant position, environmental data administration module 6 can further call, add up, calculate the ambient condition data, produce new monitor command, branch's card control module 333 even can carry out the relevant controlling operation according to new monitor command is as carrying out power supply, fan start stop operation in the respective display unit 31.
Structure, principle and flow process and embodiment 1 as for the present embodiment other parts are described same or similar, repeat no more herein.
In sum, although basic structure of the present invention, principle, flow process are specifically set forth by the foregoing description, under the prerequisite that does not break away from main idea of the present invention, according to above-described inspiration, those of ordinary skills can not need to pay creative work can implement multiple conversion/alternative form or combination, repeats no more herein.