CN203217927U

CN203217927U - Low cost LED synchronous display control system without sending card

Info

Publication number: CN203217927U
Application number: CN2012207388160U
Authority: CN
Inventors: 姚进根; 陈阿军; 杨佰成; 陈方涛; 林竹钦; 许文杰; 蔡志中; 张志鹏
Original assignee: FUSHUN OPTOELECTRONICS TECHNOLOGY Co Ltd
Current assignee: FUSHUN OPTOELECTRONICS TECHNOLOGY Co Ltd
Priority date: 2012-12-28
Filing date: 2012-12-28
Publication date: 2013-09-25
Anticipated expiration: 2022-12-28

Abstract

The utility model discloses a low cost LED synchronous display control system without a sending card. The system comprises a control host, an LED receiving card array and an LED display screen, wherein the control host is connected with the LED receiving card array by network, the LED receiving card array is connected with the LED display screen and composed of more than one LED receiving card single body which is connected in series. More than one network interface module for data transmission, an FPGA module, a monitor sensor, an audio output interface, a non-volatile memory for storing system parameters, a synchronous dynamic random memory for storing visual data and an LED scanning drive interface are arranged in the LED receiving card single body, wherein the network interface module, the monitor sensor, the audio output interface, the non-volatile memory, the synchronous dynamic random memory and the LED scanning drive interface are connected with the FPGA module. The sending card needed by the conventional LED synchronous display control system is not needed, and a series of steps of mounting a computer video card and the sending card are also not needed.

Description

A kind of synchronous display control program of LED cheaply of acomia card feed

Technical field

The utility model relates to the synchronous display control program of a kind of LED, relates in particular to a kind of synchronous display control program of LED cheaply of acomia card feed.

Background technology

Along with the LED display fast development, the 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 sends card 03 at main control system 01, the DVI interface of video card 02, audio interface, USB interface all need output to and send card 03, sending card 03 transfers data on the receiving card 04 by the layer of kilomega network again, output to LED display 05 by receiving card 04 again, need during Installation and Debugging to drive etc. at main control system 01 dress video card driving, USB, complex operation step, can't satisfy the LED display market demand, and need burden to send card and video card cost.

Summary of the invention

The purpose of this utility model is to provide a kind of low cost, need not to be equipped with the synchronous display control program of LED cheaply of the acomia card feed that sends card.

For achieving the above object, the utility model adopts following design proposal, it comprises main control system, LED receiving card array and LED display, described main control system and LED receiving card array pass through network connection, 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 the nonvolatile memory of a network interface module with transmitting data, FPGA module, monitoring sensor, audio output interface, stores system parameters, synchronous DRAM and the LED turntable driving interface of stored video data in the described LED receiving card monomer, described network interface module, monitoring sensor, nonvolatile memory, audio output interface, synchronous DRAM and LED turntable driving interface are connected with the FPGA module.

Network interface module by disposed thereon between the described LED receiving card monomer is connected.

Be provided with in the described FPGA module and comprise and intercept out the data that belong to LED receiving card monomer and the packet parsing module of transmitting data of different types, the data that receive are received the data forwarding module of monomer to another LED by the network interface module forwards, the monitoring sensor control module, the systematic parameter control module that the parameter of each module of system is controlled, the video decode module, the audio decoder module, the synchronous DRAM module for reading and writing, LED turntable driving module, described packet parsing module is connected with the network interface module with data forwarding module simultaneously; Described packet parsing module and data forwarding module, the systematic parameter control module, the video decode module, the audio decoder module is connected, the monitoring sensor control module is connected with monitoring sensor, the monitoring sensor control module is connected with data forwarding module, described systematic parameter control module and nonvolatile memory, the video decode module, LED turntable driving module, the monitoring sensor control module is connected, described video decode module also is connected with the 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, and described LED driver module is connected with LED turntable driving interface.

The utility model adopts above technical scheme, by adopting main control system, LED receiving card array to be connected with LED display, saved transmission card that the synchronous display control program of conventional LED needs, exempted a series of computer video cards and sent the card installation steps, dispose simpler, easy to operate, save the Installation and Debugging time, cost is low, has technological value and economic benefit preferably; By data forwarding module and the data resolution module in the FPGA module is set, the data allocations of main control system input can be arrived between each module and the LED receiving card monomer, well finished parsing, the distribution of data; By system data parameter control module is set, can realize the configuration to the parameter of each module.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:

Fig. 1 is the existing synchronous display control program structural representation of LED;

Fig. 2 is system architecture connection diagram of the present utility model;

Fig. 3 is the cut-away view of LED receiving card of the present utility model.

Embodiment

As shown in Figure 2, it comprises main control system 1, LED receiving card array 2 and LED display 3 the utility model, described main control system 1 passes through network connection 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 two LED

receiving card monomer

21,22 connected in series, quantity also can arrange more than one in concrete the application, wherein, the network interface module 201 of LED receiving card monomer 21 is connected with network interface module 221 on the LED receiving card monomer 22.

As shown in Figure 3, be example with LED receiving card monomer 21 in concrete the enforcement, tell about its inner concrete structure, the inner structure of other LED receiving card monomers is identical with LED receiving card monomer 21, be provided with the first network interface module 201 and the second network interface module 202 of transmission main control system packet in the 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 described first network interface module 201, the 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.

Be provided with in the described FPGA module 203 and comprise and intercept out the data that belong to LED receiving card monomer 21 and the packet parsing module 31 of transmitting data of different types, the data that receive are forwarded to the data forwarding module 32 that another LED receives monomer by the first network interface module 201 or the second network interface module 202, monitoring sensor control module 33, the systematic parameter control module 34 that the parameter of each module of system is controlled, video decode 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 decode 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 decode module 35, LED turntable driving module 38, monitoring sensor control module 33 is connected, described video decode module 35 also is 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, and described LED driver module 38 is connected with LED turntable driving interface 208.

Concrete, the first network interface module 201 or the second network interface module 202 receive the packet that sends 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 that belong to this LED receiving card 21, and data of different types is forwarded to data forwarding module 32, systematic parameter control module 34, video decode module 35, audio decoder module 36.

Data forwarding module 32 is forwarded to packet in the LED receiving card array 2 with connected in series next of LED receiving card monomer 21 by the first network interface module 201 or the second network interface module 202 again opens LED receiving card; Described packet parsing module 31 and data forwarding module 32 can be transmitted output interface according to input interface and the data of the data input condition intelligent distinguishing data of the first network interface module 201, the second network interface module 202, namely differentiate the first network interface module 201, the second network interface module 202 and be respectively which interface as Data Input Interface and data forwarding interface, improve the dirigibility of system.

Systematic parameter control module 34 is stored to nonvolatile memory 206 with systematic parameter, be other logic modules of FPGA module 203 inside simultaneously, provide systematic parameter as video decode module 35, LED turntable driving module 38 and monitoring sensor control module 33 and outside nonvolatile memory 206;

The video data that video decode module 35 transmits packet parsing module 31 according to systematic parameter is sent to synchronous DRAM module for reading and writing 37 with video data after through a series of decode operation (comprise video data H.264 decode, virtually take out operations such as point, γ correction, pointwise correction);

Synchronous DRAM module for reading and writing 37 writes video data and carries out buffer memory in the synchronous DRAM 207, and simultaneously LED turntable driving module 38 reads the video data in the synchronous DRAM 207 and exports LED turntable driving interface 208 to by rule scanning by synchronous DRAM module for reading and writing 37 according to systematic parameter;

LED turntable driving interface 208 is connected and drives it with LED display 3 and shows;

After handling, the voice data that audio decoder module 36 reception packet parsing modules 31 send and process decoding export audio output interface 205 to.

Claims

1. the synchronous display control program of LED cheaply of an acomia card feed, it is characterized in that: it comprises main control system, LED receiving card array and LED display, described main control system and LED receiving card array pass through network connection, 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.

2. the synchronous display control program of LED cheaply of a kind of acomia card feed according to claim 1, it is characterized in that: described LED receiving card array comprises plural LED receiving card monomer connected in series.

3. the synchronous display control program of LED cheaply of a kind of acomia card feed according to claim 1 and 2, it is characterized in that: be provided with one with the network interface module of transmitting data in the described LED receiving card monomer, the FPGA module, monitoring sensor, audio output interface, the nonvolatile memory of 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 is connected with the FPGA module with LED turntable driving interface.

4. the synchronous display control program of LED cheaply of a kind of acomia card feed according to claim 3, it is characterized in that: the network interface module by disposed thereon between the described LED receiving card monomer is connected.

5. the synchronous display control program of LED cheaply of a kind of acomia card feed according to claim 3, it is characterized in that: be provided with in the described FPGA module and comprise and intercept out the data that belong to LED receiving card monomer and the packet parsing module of transmitting data of different types, the data that receive are received the data forwarding module of monomer to another LED by the network interface module forwards, the monitoring sensor control module, the systematic parameter control module that the parameter of each module of system is controlled, the video decode module, the audio decoder module, the synchronous DRAM module for reading and writing, LED turntable driving module, described packet parsing module is connected with the network interface module with data forwarding module simultaneously, described packet parsing module and data forwarding module, the systematic parameter control module, the video decode module, the audio decoder module is connected, monitoring sensor control module while and monitoring sensor, data forwarding module is connected, described systematic parameter control module and nonvolatile memory, the video decode module, LED turntable driving module, the monitoring sensor control module is connected, described video decode module also is connected with the 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, and described LED driver module is connected with LED turntable driving interface.