CN105788519A - LED display screen system, data distributor, and display control method - Google Patents
LED display screen system, data distributor, and display control method Download PDFInfo
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Abstract
The invention relates to an LED display screen system, a data distributor, and a display control method. The LED display screen system comprises a plurality of strings of LED display unit plates, and a data distributor. Every string of LED display unit plates comprises an LED display unit plate body or a plurality of cascaded LED display unit plates, and every LED display unit plate comprises an LED lamp panel and a scanning card module fixedly disposed on the LED lamp panel. The scanning card module comprises a programmable logic device. The data distributor is connected with the plurality of strings of LED display unit plates, and is used to transmit the display data, which can be acquired from the front end by the network interface or the optical port, respectively to the plurality of strings of LED display unit plates after the data segmentation. By additionally providing the data distributor, the unvarnished transmission of the front end data, for example, the transmitting card data, and the segmentation and the forwarding from the transmitting card data to the scanning card data can be completed, and therefore the loading problem of the prior art after the integration of the scanning card and the LED lamp panel can be effectively solved.
Description
Technical field
The present invention relates to Display Technique field, particularly to a kind of LED display screen system, a kind of data distributor and a kind of display control method.
Background technology
Mainly including video source, sending card, scanning card and LED display in existing LED display screen system, it is be spliced by multiple LED box that LED display passes through, and each LED box is spliced by multiple LED lamp panel.
Fig. 1 illustrates the framework of current a kind of LED display screen system, and it mainly includes sending card, scanning card and LED lamp panel, is wherein attached by winding displacement between scanning card and LED lamp panel, LED lamp panel and LED lamp panel.In current system structure, due to scanning card with between LED lamp panel, be connected by winding displacement between LED lamp panel and LED lamp panel, substantial amounts of winding displacement connects the unstability causing signal transmission, and brings inconvenience to installing, add cost and the connection of winding displacement too increases EMC problem.
In order to solve the problem that winding displacement transmission is unstable and wiring is complicated, industry has a kind of new system architecture of proposition, as shown in figs. 2 a and 2b.Specifically, in fig. 2 a, the scanning card function (at this, be referred to as scanning card module) in this new system tray unites two into one with LED lamp panel, and is connected by 100,000,000 netting twines between sending card with scanning card module and scanning card module；In figure 2b, it is connected by gigabit network cable between sending card with scanning card module and scanning card module；Such framework improves the stability of system, and reduces volume.
But, in fig. 2 a, owing to the bandwidth of 100,000,000 netting twines limits, in sending card rear end, the LED lamp panel with load is very limited amount of；Although changing 100-M network Ethernet into PCI-Express in figure 2b, it is possible to solve the problem with load, but the problem that cost increases can be brought again.
Summary of the invention
Therefore, for solving defect and the deficiency existed in prior art, the present invention provides a kind of LED display screen system, a kind of data distributor and a kind of display control method.
Specifically, a kind of LED display screen system that the embodiment of the present invention provides, including: multi-string LED display unit plate, often string LED display unit plate has multiple LED display unit plates of a LED display unit or cascade, and each LED display unit plate includes a LED lamp panel and the scanning card module being fixedly installed in described LED lamp panel, described scanning card module comprises PLD；And data distributor, connect described multi-string LED display unit plate and be respectively transmitted to described multi-string LED display unit plate after being split from the video data that front end obtains by network interface or light mouth.
In one embodiment of the invention, above-mentioned LED lamp panel includes circuit board and arranges multiple LED on circuit boards and multiple network interface；Described scanning card module is incorporated on described circuit board and electrically connects the plurality of network interface.
In one embodiment of the invention, above-mentioned LED lamp panel includes circuit board and arranges multiple LED on circuit boards and multiple network interface；Described scanning card module and the discrete setting of described LED lamp panel are also fixed on described circuit board and electrically connect to be formed with the plurality of network interface.
In one embodiment of the invention, above-mentioned data distributor includes the first network interface and multiple second network interface；Described first network interface for being connected to obtain described video data with front end, and the plurality of second network interface is connected with described multi-string LED display unit plate to be respectively transmitted the video data after segmentation to described multi-string LED display unit plate respectively.
In one embodiment of the invention, above-mentioned data distributor also includes the 3rd network interface, for being connected with another data distributor.
In one embodiment of the invention, above-mentioned data distributor also includes configuration module and data distribution module；Described configuration module is used for providing band information carrying to cease, and described data distribution module is respectively transmitted to described multi-string LED display unit plate for ceasing after the video data to acquisition is split with information carrying of providing according to configuration module.
In one embodiment of the invention, above-mentioned data distributor also includes data collection module, connect the plurality of second network interface and described first network interface, for collecting from the LED display unit plate back information of the plurality of second network interface and the information of collection being uploaded to front end by described first network interface.
Additionally, a kind of data distributor that the embodiment of the present invention provides, including: first interface；Multiple second interfaces, carry multiple display units for band；Configuration module, is used for providing point band information carrying breath of total each second interface ceasing with information carrying and corresponding in the plurality of second interface of described data distributor；And data distribution module, for according to described total with information carrying breath and point with information carrying breath to after capturing by described first interface from the video data that front end obtains and split respectively from the plurality of second interface export.
In one embodiment of the invention, above-mentioned first interface is network interface or light mouth, for obtaining video data from front end.
In one embodiment of the invention, above-mentioned data distributor also includes the 3rd interface, for being connected with data distributor another described；And described 3rd interface is network interface or light mouth.
In one embodiment of the invention, above-mentioned data distributor also includes data collection module, connect the plurality of second interface and described first interface, for collecting from the display unit back information of the plurality of second interface and the information of collection being uploaded to front end by described first interface.
It addition, a kind of display control method that the embodiment of the present invention provides, including step: receive the video data of externally input；One's own first video data in video data described in information extraction is carried according to the first band；And split to obtain at least one second video data to described first video data according to the second band information carrying breath.
In one embodiment of the invention, above-mentioned display control method further comprises the steps of: and is not undertaken splitting and outwards exporting by the video data being not belonging to oneself in described video data.
In one embodiment of the invention, the video data of said external input is to be received by network interface or light mouth.
In one embodiment of the invention, above-mentioned display control method further comprises the steps of: the band load information packet of real-time reception externally input and resolves described band load information packet to obtain described first band information carrying breath and described second band information carrying breath.
Compared to existing technology, the embodiment of the present invention is by setting up a kind of data distributor, its transparent transmission that can complete front end data such as sending card data and sending card data, to the segmentation and the forwarding that scan card data, therefore can effectively solve the band load problem after scanning card in prior art unites two into one with LED lamp panel.
By the detailed description below with reference to accompanying drawing, other side and the feature of the present invention become apparent upon.It is understood that this accompanying drawing is only the purpose design of explanation, not as the restriction of the scope of the present invention, this is because it should refer to appended claims.It should also be noted that unless otherwise noted, it is not necessary to scale accompanying drawing, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is the configuration diagram of a kind of LED display screen system of the prior art.
Fig. 2 is the configuration diagram of another kind of LED display screen system of the prior art.
Fig. 3 is the configuration diagram of the LED display screen system of one embodiment of the invention.
Fig. 4 a is the structural representation of the LED display unit plate of one embodiment of the invention.
Fig. 4 b is the structural representation of the LED display unit plate of another embodiment of the present invention.
Fig. 5 a is the high-level schematic functional block diagram of the data distributor of one embodiment of the invention.
Fig. 5 b is the partial function module diagram of the data distributor of another embodiment of the present invention.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Referring to Fig. 3, the LED display screen system 10 of the present embodiment includes sending card 11, multiple data distributors 13 of cascade and multi-string LED display unit plate 15.Each data distributor 13 is connected to multi-string LED display unit plate 15, and often string LED display unit plate 15 has a LED display unit plate 150 or the LED display unit plate 150 of multiple cascades as shown in Figure 3.Single led display unit plate 150 (or claiming LED display unit) includes LED lamp panel 151 and the scanning card module 153 being fixedly installed in LED lamp panel 151, wherein scanning card module 153 is typically designed with being responsible for the PLD such as fpga chip of data conversion and gray-scale Control, with the data required to LED lamp panel 151 offer display and control signal.More specifically, as shown in Fig. 4 a and Fig. 4 b, LED lamp panel 151 includes circuit board 1511, is arranged on multiple RGB three-color LEDs 1513 in circuit board 1511 front and is arranged on multiple network interfaces 1515 at circuit board 1511 back side；Certainly, being also provided with LED drive circuit at the back side of circuit board 1511, it is widely-known technique, does not repeat them here.Further, in fig .4, scanning card module 153 is directly incorporated in the back side (namely scanning card module 153 is arranged on same circuit board 1511 with LED1513 and network interface 1515) of circuit board 1511 and electrically connects multiple network interface 1515；And in fig. 4b, scanning card module 153 and the discrete setting of LED lamp panel 151 is also fixed on the back side of circuit board 1511 and electrically connect to be formed with multiple network interfaces 1515, for instance scanning card module 153 is arranged on an independent circuit board and is fixedly connected on the back side of circuit board 1511 by pricking with needle/row's mother's cooperation.In other embodiments, can also multiple network interfaces 1515 and scanning card module 153 be arranged on the same circuit board discrete with the circuit board 1511 of LED lamp panel 151, it is connected fixing with the circuit board 1511 of LED lamp panel 151 for this circuit board again, such as cooperatively form fixing connection by pricking with needle/mother row, namely scanning card module 153 and LED lamp panel 151 are a point two-tier circuit plate design.
Hold above-mentioned, in the present embodiment, owing to each LED lamp panel 151 is provided with multiple network interface 1515, can be concatenated together and be connected to corresponding data distributor 13 by netting twine such as 100,000,000 netting twines with each LED display unit plate 150 in a string LED display unit plate 15.So, first order LED display unit plate 150 can utilize some network interface 1515 in LED lamp panel 151 to receive the display signal from data distributor 13 and deliver to oneself scanning card module 153 to capture one's own display signal and to carry out data conversion and gray-scale Control processes and displays with the LED1513 driving oneself, is not belonging to oneself display signal and then can pass through another network interface 1515 and be sent to rear stage LED display unit plate 150；The signal processing of the LED display unit plate 150 of rear class is similar with first order LED display unit plate 150, therefore repeats no more.
Referring again to Fig. 3, each data distributor 13 is such as be coupled to sending card 11 by netting twine such as gigabit network cable level.Certainly, for some without sending card LED display screen system, the data distributor 13 of cascade can also be connected directly to host computer such as PC by netting twine and obtain video display signal.It addition, it is noted that the quantity of data distributor 13 is not limited to multiple, particular number can be decided according to the actual requirements, for instance for the situation that LED display size is smaller, it is also possible to only arrange a data distributor 13.
Below in conjunction with Fig. 5 a and Fig. 5 b, the concrete structure of the data distributor 13 of the embodiment of the present invention is described in detail.
As shown in Figure 5 a, data distributor 13 includes two main transmitting-receiving network interface (MRX1, MTX1), (MRX2, MTX2), multiple from transmitting-receiving network interface such as (SRX1, STX1), (SRX2, STX2), (SRX3, STX3) and (SRX4, STX4), configuration module 131 and data distribution module 133.
Wherein, main transmitting-receiving network interface (MRX1, MTX1) video data that, (MRX2, MTX2) provides for receiving sending card 11 and will not belong to oneself video data under the process of data distribution module 133 and pass to next stage data distributor 13.From each string LED display unit plate 15 that transmitting-receiving network interface (SRX1, STX1), (SRX2, STX2), (SRX3, STX3) and (SRX4, STX4) is extremely connected with this data distributor 13 for forwarding video data.Configuration module 131 is used for recording and provide each from receiving and dispatching network interface such as (SRX1, STX1), (SRX2, STX2), (SRX3, and the configuration information such as total band information carrying breath point with information carrying breath and data distributor 13 belonging to it of (SRX4, STX4) STX3).Data distribution module 133 is distributed to each from receiving and dispatching network interface such as (SRX1 after being allocated for the one's own video data captured from one's own video data in the video data of front end such as sending card 11 and by acquisition according to the configuration information of configuration module 131, STX1), (SRX2, STX2), (SRX3, and (SRX4, STX4) STX3).nullIn addition，From transmitting-receiving network interface (SRX1,STX1)、(SRX2,STX2)、(SRX3,And (SRX4 STX3),STX4) also the information that each string LED display unit plate 15 returns can be uploaded to host computer through main transmitting-receiving network interface and sending card 11，Correspondingly as shown in Figure 5 b，Data distributor 13 design has data collection module 135，For collecting from each from receiving and dispatching network interface (SRX1,STX1)、(SRX2,STX2)、(SRX3,And (SRX4 STX3),The back information of each string LED display unit plate 15 STX4) and rear stage data distributor 13 are through main transmitting-receiving network interface such as (MRX2,The back information of each string LED display unit plate 15 MTX2) uploaded、And by the back information collected through main transmitting-receiving network interface such as (MRX1,MTX1) and sending card 11 be uploaded to host computer.At this, each back information going here and there LED display unit plate 15 is such as spot check result, humiture, smog, power supply status, fan-status and chamber door whether closedown etc. information.
Please also refer to Fig. 3 and Fig. 5, after the system architecture of Fig. 3 has been built, by sending card 11, the address of the data distributor 13 of multiple cascades (or claim concatenation) can be allocated, the information of distribution by main transmitting-receiving network interface by include each data distributor 13 original position with load, with load area size etc. total with information carrying breath and point band information carrying such as each band load original position from transmitting-receiving network interface and band load area size cease and issue；The information issued can be passed through software arrangements and store in the configuration module 131 of each data distributor 13, it is also possible under the form real time down of packet, the configuration module 131 of each data distributor 13 of cause resolves in real time.
Data distributor 13 according to oneself each from transmitting-receiving network interface with load original position and with load area size etc. point with information carrying breath and to the information such as band load original position and band load area size that should calculate scanning card module 153 each LED display unit plate 150 from the scanning card module information of transmitting-receiving network interface, and the information calculated is sent to corresponding scanning card module 13.Data distributor 13 can be passed through from the scanning card module information corresponding to transmitting-receiving network interface obtain alternately with scanning card module 153, it is also possible to issue storage in the configuration module 131 of data distributor 13 by software.It addition, for during from transmitting-receiving network interface not with load, corresponding can not export relevant information from transmitting-receiving network interface or export arbitrary information.
It is noted that above-mentioned main transmitting-receiving network interface and other transceiver interface can also be replaced to from transmitting-receiving network interface, for instance light mouth (or claim optical fiber interface) or other high-speed interfaces.
Additionally, the associated description of data distributor 13 from the above can be summarized a kind of display control method, it such as includes: receive the video data of externally input, for instance received the video data of externally input by electricity mouth such as network interface or other interfaces such as light mouth；One's own first video data in video data described in information extraction is carried according to total band；And split to obtain at least one second video data to described first video data according to a point band information carrying breath.Further, it may further comprise the step of: and is not undertaken splitting and outwards exporting by the video data being not belonging to oneself in described video data.Furthermore, described display control method can also include step: the band of real-time reception externally input carries information packet and resolves described band load information packet to obtain described total band information carrying breath and described point of band information carrying breath.
In sum, the above embodiment of the present invention is by setting up a kind of data distributor, its transparent transmission that can complete front end data such as sending card data and sending card data, to the segmentation and the forwarding that scan card data, therefore can effectively solve the band load problem after scanning card in prior art unites two into one with LED lamp panel.
So far, principle and the embodiment of LED display screen system of the present invention, data distributor and display control method are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention; all will change in specific embodiments and applications; in sum, this specification content should not be construed as limitation of the present invention, and protection scope of the present invention should be as the criterion with appended claim.
Claims (15)
1. a LED display screen system, it is characterised in that including:
Multi-string LED display unit plate, often string LED display unit plate has multiple LED display unit plates of a LED display unit plate or cascade, and each LED display unit plate includes a LED lamp panel and the scanning card module being fixedly installed in described LED lamp panel, described scanning card module includes PLD；And
Data distributor, is connected described multi-string LED display unit plate and is respectively transmitted to described multi-string LED display unit plate after being split from the video data that front end obtains by network interface or light mouth.
2. LED display screen system as claimed in claim 1, it is characterised in that described LED lamp panel includes circuit board and the multiple LED being arranged on described circuit board and multiple network interface；Described scanning card module is incorporated on described circuit board and electrically connects the plurality of network interface.
3. LED display screen system as claimed in claim 1, it is characterised in that described LED lamp panel includes circuit board and the multiple LED being arranged on described circuit board and multiple network interface；Described scanning card module and the discrete setting of described LED lamp panel are also fixed on described circuit board and electrically connect to be formed with the plurality of network interface.
4. LED display screen system as claimed in claim 1, it is characterised in that described data distributor includes the first network interface and multiple second network interface；Described first network interface for being connected to obtain described video data with front end, and the plurality of second network interface is connected with described multi-string LED display unit plate to be respectively transmitted the video data after segmentation to described multi-string LED display unit plate respectively.
5. LED display screen system as claimed in claim 4, it is characterised in that described data distributor also includes the 3rd network interface, for being connected with another data distributor.
6. LED display screen system as claimed in claim 4, it is characterised in that described data distributor also includes configuration module and data distribution module；Described configuration module is used for providing band information carrying to cease, and described data distribution module is respectively transmitted to described multi-string LED display unit plate for ceasing after the described video data to acquisition is split with information carrying of providing according to described configuration module.
7. LED display screen system as claimed in claim 6, it is characterized in that, described data distributor also includes data collection module, connect the plurality of second network interface and described first network interface, for collecting from the LED display unit plate back information of the plurality of second network interface and the information of collection being uploaded to front end by described first network interface.
8. a data distributor, it is characterised in that including:
First interface；
Multiple second interfaces, carry multiple display units for band；
Configuration module, is used for providing point band information carrying breath of total each second interface ceasing with information carrying and corresponding in the plurality of second interface of described data distributor；And
Data distribution module, for according to described total with information carrying breath and point with information carrying breath to after capturing by described first interface from the video data that front end obtains and split respectively from the plurality of second interface export.
9. data distributor as claimed in claim 8, it is characterised in that described first interface is network interface or light mouth, for obtaining video data from front end.
10. data distributor as claimed in claim 8, it is characterised in that also include the 3rd interface, for being connected with data distributor another described；And described 3rd interface is network interface or light mouth.
11. data distributor as claimed in claim 8, it is characterized in that, also include data collection module, connect the plurality of second interface and described first interface, for collecting from the display unit back information of the plurality of second interface and the information of collection being uploaded to front end by described first interface.
12. a display control method, it is applied to a kind of data distributor；It is characterized in that, described display control method includes step:
Receive the video data of externally input；
One's own first video data in video data described in information extraction is carried according to the first band；And
Split to obtain at least one second video data to described first video data according to the second band information carrying breath.
13. display control method as claimed in claim 12, it is characterised in that further comprise the steps of:
Do not undertaken splitting and outwards exporting by the video data being not belonging to oneself in described video data.
14. display control method as claimed in claim 12, it is characterised in that the video data of described externally input is to be received by network interface or light mouth.
15. display control method as claimed in claim 12, it is characterised in that further comprise the steps of:
The band of real-time reception externally input carries information packet and resolves described band load information packet to obtain described first band information carrying breath and described second band information carrying breath.
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| CN113707074A (en) * | 2020-05-20 | 2021-11-26 | 西安诺瓦星云科技股份有限公司 | Display screen information management method |
| CN112068788A (en) * | 2020-09-03 | 2020-12-11 | 北京华瑞视界科技有限公司 | Tiled display system |
| CN112068790A (en) * | 2020-09-03 | 2020-12-11 | 北京华瑞视界科技有限公司 | Tiled display system |
| CN112068789A (en) * | 2020-09-03 | 2020-12-11 | 北京华瑞视界科技有限公司 | Distributing plate, lamp plate and splicing display system |
| CN112068789B (en) * | 2020-09-03 | 2024-05-14 | 北京华瑞视界科技有限公司 | Distribution plate, lamp plate and spliced display system |
| CN112068790B (en) * | 2020-09-03 | 2024-06-11 | 北京华瑞视界科技有限公司 | Tiled display system |
| CN112068788B (en) * | 2020-09-03 | 2024-08-23 | 北京华瑞视界科技有限公司 | Tiled display system |
| WO2022267962A1 (en) * | 2021-06-21 | 2022-12-29 | 广州视源电子科技股份有限公司 | Screen area control method and apparatus, sending card, and storage medium |
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Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: Xi'an Nova Nebula Technology Co., Ltd. Address before: 710075 Qinfengge D District 401, Xi'an Software Park, 68 Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Xian Novastar Electronic Technology Co., Ltd. |