CN103065587B - A kind of LED synchronous display controlling system without sending card - Google Patents
A kind of LED synchronous display controlling system without sending card Download PDFInfo
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- CN103065587B CN103065587B CN201210583414.2A CN201210583414A CN103065587B CN 103065587 B CN103065587 B CN 103065587B CN 201210583414 A CN201210583414 A CN 201210583414A CN 103065587 B CN103065587 B CN 103065587B
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- 239000000178 monomer Substances 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 230000009897 systematic effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012937 correction Methods 0.000 description 2
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Abstract
The invention discloses a kind of LED synchronous display controlling system of the low cost without sending card, it comprises main control system, LED receiving card array and LED display, described main control system is connected by network with LED receiving card array, described LED receiving card array is connected with LED display, and wherein said LED receiving card array comprises more than one LED receiving card monomer connected in series.Be provided with in described LED receiving card monomer and comprise one with network interface module, the FPGA module of transmitting data, the nonvolatile memory of monitoring sensor, audio output interface, stores system parameters, the synchronous DRAM of stored video data and LED turntable driving interface, described network interface module, monitoring sensor, nonvolatile memory, audio output interface, synchronous DRAM are connected with FPGA module with LED turntable driving interface.Present invention saves the sending card of conventional LED synchronous display controlling system needs, eliminate a series of computer display card and sending card installation steps.
Description
Technical field
The present invention relates to a kind of LED synchronous display controlling system, particularly relate to a kind of LED synchronous display controlling system without sending card.
Background technology
Along with LED display is fast-developing, LED display control system requires more and more higher, and cost requirement is more and more lower.As shown in Figure 1, conventional LED display control system needs to install video card 02 and sending card 03 on main control system 01, the DVI interface of video card 02, audio interface, USB interface all need to output to sending card 03, sending card 03 transfers data on receiving card 04 by the layer of kilomega network again, LED display 05 is outputted to again by receiving card 04, video driver need be filled during Installation and Debugging on main control system 01, USB drives etc., complex operation step, the LED display market demand cannot be met, and sending card and video card cost need be born.
Summary of the invention
The object of the present invention is to provide a kind of low cost, without the need to being equipped with the LED synchronous display controlling system without sending card of sending card.
For achieving the above object, the present invention adopts following design proposal, it comprises main control system, LED receiving card array and LED display, described main control system is connected by network with LED receiving card array, described LED receiving card array is connected with LED display, and wherein said LED receiving card array comprises more than one LED receiving card monomer connected in series.
Described LED receiving card array comprises plural LED receiving card monomer connected in series.
Be provided with in described LED receiving card monomer and comprise one with network interface module, the FPGA module of transmitting data, the nonvolatile memory of monitoring sensor, audio output interface, stores system parameters, the synchronous DRAM of stored video data and LED turntable driving interface, described network interface module, monitoring sensor, nonvolatile memory, audio output interface, synchronous DRAM are connected with FPGA module with LED turntable driving interface.
Network interface module by disposed thereon between described LED receiving card monomer is connected.
The data the packet parsing module forwarding dissimilar data that comprise and intercept out and belong to LED receiving card monomer are provided with in described FPGA module, the data received are received the data forwarding module of monomer to another LED by network interface module forwards, monitoring sensor control module, to the systematic parameter control module that the parameter of system modules controls, Video decoding module, audio decoder module, synchronous DRAM module for reading and writing, LED turntable driving module, described packet parsing module is connected with network interface module with data forwarding module simultaneously, described packet parsing module and data forwarding module, systematic parameter control module, Video decoding module, audio decoder module is connected, monitoring sensor control module is connected with monitoring sensor, monitoring sensor control module is connected with data forwarding module, described systematic parameter control module and nonvolatile memory, Video decoding module, LED turntable driving module, monitoring sensor control module is connected, described Video decoding module is also connected with synchronous DRAM module for reading and writing, described synchronous DRAM module for reading and writing also with synchronous DRAM, LED turntable driving module is connected, described audio decoder module is connected with audio output interface, described LED drive module is connected with LED turntable driving interface.
The present invention adopts above technical scheme, be connected with LED display by employing main control system, LED receiving card array, save the sending card of conventional LED synchronous display controlling system needs, eliminate a series of computer display card and sending card installation steps, configure simpler, easy to operate, to save Installation and Debugging time, cost low, has good technological value and economic benefit; By arranging data forwarding module in FPGA module and data resolution module, the data that main control system inputs can be assigned between modules and LED receiving card monomer, well complete the parsing of data, distribution; By arranging system data state modulator module, the configuration of the parameter to modules can be realized.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is existing LED synchronous display controlling system structural representation;
Fig. 2 is system architecture connection diagram of the present invention;
Fig. 3 is the cut-away view of LED receiving card of the present invention.
Embodiment
As shown in Figure 2, the utility model it comprise main control system 1, LED receiving card array 2 and LED display 3, described main control system 1 is connected by network with LED receiving card array 2, described LED receiving card array 2 is connected with LED display 3, wherein said LED receiving card array 2 comprises the LED receiving card monomer 21,22 connected in series of two, in embody rule, quantity also can arrange more than one, wherein, the network interface module 201 of LED receiving card monomer 21 is connected with the network interface module 221 on LED receiving card monomer 22.
As shown in Figure 3, for LED receiving card monomer 21 in concrete enforcement, tell about the concrete structure of its inside, the inner structure of other LED receiving card monomers is identical with LED receiving card monomer 21, the first network interface module 201 and the second network interface module 202 comprising transmission main control system packet is provided with in described LED receiving card monomer 21, FPGA module 203, monitoring sensor 204, audio output interface 205, the nonvolatile memory 206 of stores system parameters, the synchronous DRAM 207 of stored video data and LED turntable driving interface 208, the first described network interface module 201, second network interface module 202, monitoring sensor 204, nonvolatile memory 206, audio output interface 205, synchronous DRAM 207 is connected with FPGA module 203 with LED turntable driving interface 208.
The data the packet parsing module 31 forwarding dissimilar data that comprise and intercept out and belong to LED receiving card monomer 21 are provided with in described FPGA module 203, the data received are forwarded to by the first network interface module 201 or the second network interface module 202 data forwarding module 32 that another LED receives monomer, monitoring sensor control module 33, to the systematic parameter control module 34 that the parameter of system modules controls, Video decoding module 35, audio decoder module 36, synchronous DRAM module for reading and writing 37, LED turntable driving module 38, described packet parsing module 31 is connected with the second network interface module 202 with the first network interface module 201 with data forwarding module 32 simultaneously, described packet parsing module 31 and data forwarding module 32, systematic parameter control module 34, Video decoding module 35, audio decoder module 36 is connected, monitoring sensor control module 33 is connected with monitoring sensor 204, monitoring sensor control module 33 is connected with data forwarding module 32, described systematic parameter control module 34 and nonvolatile memory 206, Video decoding module 35, LED turntable driving module 38, monitoring sensor control module 33 is connected, described Video decoding module 35 is also connected with synchronous DRAM module for reading and writing 37, described synchronous DRAM module for reading and writing 37 also with synchronous DRAM 207, LED turntable driving module 38 is connected, described audio decoder module 36 is connected with audio output interface 205, described LED drive module 38 is connected with LED turntable driving interface 208.
Concrete, first network interface module 201 or the second network interface module 202 receive the packet sent by LAN (Local Area Network) or internet from main control system 1, and send it to the inside of FPGA module 203, the packet parsing module 31 of FPGA module 203 inside is resolved packet according to systematic parameter, intercept out the data belonging to this LED receiving card 21, and by dissimilar data retransmission to data forwarding module 32, systematic parameter control module 34, Video decoding module 35, audio decoder module 36.
Packet is forwarded to next LED receiving card connected in series with LED receiving card monomer 21 in LED receiving card array 2 by the first network interface module 201 or the second network interface module 202 by data forwarding module 32 again; Described packet parsing module 31 and data forwarding module 32 can according to the input interface of the data input condition intelligent distinguishing data of the first network interface module 201, second network interface module 202 and data retransmission output interfaces, namely differentiate the first network interface module 201, second network interface module 202 be respectively which interface as Data Input Interface and data retransmission interface, improve the dirigibility of system.
Systematic parameter is stored to nonvolatile memory 206 by systematic parameter control module 34, be other logic modules of FPGA module 203 inside, the nonvolatile memory 206 as Video decoding module 35, LED turntable driving module 38 and monitoring sensor control module 33 and outside provides systematic parameter simultaneously;
Video data is sent to synchronous DRAM module for reading and writing 37 by the video data that packet parsing module 31 transmits according to systematic parameter by Video decoding module 35 after a series of decode operation (comprising video data H.264 to decode, virtually take out the operations such as point, γ correction, pointwise correction);
Video data writes in synchronous DRAM 207 and carries out buffer memory by synchronous DRAM module for reading and writing 37, and simultaneously LED turntable driving module 38 reads video data in synchronous DRAM 207 according to systematic parameter by synchronous DRAM module for reading and writing 37 and regularly scanning exports LED turntable driving interface 208 to;
LED turntable driving interface 208 carries out being connected with LED display 3 and drives it to show;
Audio decoder module 36 receives voice data that packet parsing module 31 sends and export audio output interface 205 to after decoding process.
Claims (3)
1. the LED synchronous display controlling system without sending card, it is characterized in that: it comprises main control system, LED receiving card array and LED display, described main control system is connected by network with LED receiving card array, described LED receiving card array is connected with LED display, and wherein said LED receiving card array comprises more than one LED receiving card monomer connected in series;
Be provided with in described LED receiving card monomer and comprise one with network interface module, the FPGA module of transmitting data, the nonvolatile memory of monitoring sensor, audio output interface, stores system parameters, the synchronous DRAM of stored video data and LED turntable driving interface, described network interface module, monitoring sensor, nonvolatile memory, audio output interface, synchronous DRAM are connected with FPGA module with LED turntable driving interface;
The data the packet parsing module forwarding dissimilar data that comprise and intercept out and belong to LED receiving card monomer are provided with in described FPGA module, the data received are received the data forwarding module of monomer to another LED by network interface module forwards, monitoring sensor control module, to the systematic parameter control module that the parameter of system modules controls, Video decoding module, audio decoder module, synchronous DRAM module for reading and writing, LED turntable driving module, described packet parsing module is connected with network interface module with data forwarding module simultaneously, described packet parsing module and data forwarding module, systematic parameter control module, Video decoding module, audio decoder module is connected, and monitoring sensor control module simultaneously and monitoring sensor, data forwarding module is connected, described systematic parameter control module and nonvolatile memory, Video decoding module, LED turntable driving module, monitoring sensor control module is connected, and described Video decoding module is also connected with synchronous DRAM module for reading and writing, described synchronous DRAM module for reading and writing also with synchronous DRAM, LED turntable driving module is connected, and described audio decoder module is connected with audio output interface, and described LED drive module is connected with LED turntable driving interface.
2. a kind of LED synchronous display controlling system without sending card according to claim 1, is characterized in that: described LED receiving card array comprises plural LED receiving card monomer connected in series.
3. a kind of LED synchronous display controlling system without sending card according to claim 1, is characterized in that: the network interface module by disposed thereon between described LED receiving card monomer is connected.
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| CN201210583414.2A CN103065587B (en) | 2012-12-28 | 2012-12-28 | A kind of LED synchronous display controlling system without sending card |
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| CN201210583414.2A CN103065587B (en) | 2012-12-28 | 2012-12-28 | A kind of LED synchronous display controlling system without sending card |
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| CN103065587B true CN103065587B (en) | 2016-01-20 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104809982A (en) * | 2015-04-30 | 2015-07-29 | 苏州承乐电子科技有限公司 | LED full-color synchronous control system |
| CN107436742A (en) * | 2016-05-27 | 2017-12-05 | 北京同步科技有限公司 | Support LED information issuing system and its method that synchronously screen is shown |
| CN107452323B (en) * | 2016-05-31 | 2020-07-17 | 无锡华润矽科微电子有限公司 | Circuit and method for realizing continuous scanning of any channel |
| CN107452324B (en) * | 2017-07-15 | 2019-07-30 | 深圳市灵星雨科技开发有限公司 | It is a kind of to upgrade multiple anti-interference optimization methods of reception card and display screen control system |
| CN107424553B (en) * | 2017-09-22 | 2020-12-04 | 深圳市华星光电技术有限公司 | Scanning driving circuit board and display device |
| CN109493791B (en) * | 2019-01-22 | 2023-06-09 | 青岛科锐斯光电科技有限公司 | LED display screen and debugging method thereof |
| CN113707074B (en) * | 2020-05-20 | 2022-11-18 | 西安诺瓦星云科技股份有限公司 | Display screen information management method |
| CN111930327A (en) * | 2020-07-27 | 2020-11-13 | 苏州仰邦软件科技有限公司 | LED mirror screen display method and device |
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Denomination of invention: Transmitting-card-free light emitting diode (LED) synchronous display controlling system Effective date of registration: 20160831 Granted publication date: 20160120 Pledgee: China Co truction Bank Corp Zhangzhou Longwen branch Pledgor: Fushun Optoelectronics Technology Co., Ltd. Registration number: 2016350000088 |
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