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Large LED electronic information billboard system

A technology of electronic information and LED driver boards, applied in the direction of electrical digital data processing, instruments, digital output to display equipment, etc., can solve problems such as high operating costs, short life, and impact on perception, and achieve high life, high usability, and environmental protection. High applicability effect

Pending Publication Date: 2022-04-01
ZHEJIANG HUAZHANG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The LED screen has less support for industrial protocols and a high degree of screen customization, so it cannot be easily connected to industrial systems, and there are few occasions for on-site application
[0005] 2. LCD splicing screens are mainly large TVs, and their lifespan is shorter in industrial environments
Moreover, the splicing marks in the middle of the splicing screen are relatively large, which affects the look and feel
[0006] 3. The LCD display requires multiple computer hosts or video splicing equipment for joint management, and the operating cost is relatively high
[0007] 4. Multiple on-site computers are required to control the video splicing equipment, and the displayed information cannot reach the millisecond level display

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1: See Figure 1-2 As shown, a large-scale LED electronic information board system includes four parts: 1. LED display panel part; 2. LED driver part; 3. LED main control box; 4. LED screen configuration software.

[0030] in:

[0031] The LED display panel is mainly used for display; the LED panel supports P4 and P5 full-color, and the LED driver board supports pixels ranging from 512x320 to 1024x640. It also supports cascading of multiple LED driver boards to complete the splicing of larger screens. HUB75 standard interface is used to connect the LED panel.

[0032] LED driver is mainly used for the control of LED panel, such as scanning mode, brightness control, panel wiring mode, driver chip, switch screen, etc. It is mainly used to drive the whole LED screen. Due to its large number of scanning points and high scanning frequency, it adopts FPGA design. Program. The LED driver board adopts a controller developed based on FPGA, which mainly realizes the di...

Embodiment 2

[0040] Embodiment 2: On the basis of Embodiment 1, the protocol adapter uses RS485 lines to connect to the underlying system. There are many types of PLCs, including but not limited to RA-PLC, Siemens PLC, Schneider PLC, and LED control boxes Sensors are also connected.

[0041] The working principle is as follows: if figure 2 Shown: The working steps of the LED screen configuration software are as follows: Step 1, start the program; Step 2, create a panel according to the number of dot matrix of the LED screen; Step 3, create a Tags label file; Step 4, create a connection and specify the connection control IP address, port number, communication protocol and other parameters of the device; step 5, create the Tags tag name and specify the address connected to the lower computer; step 6, complete the creation of the tag file; step 7, select the corresponding control to deploy to the panel; step 8. According to the properties of the corresponding controls, bind its properties t...

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Abstract

The invention discloses a large LED electronic information billboard system, which belongs to the technical field of electronic information and is composed of a configuration manager, an LED display panel part, an LED driving part and an LED master control box. The configuration manager is remotely connected with the LED main control box; the LED master control box is divided into a protocol adapter, a project analyzer and an LED drive board controller. The characteristics of high availability, high environmental applicability, long service life and the like of the LED screen are applied to industrial occasions. The screen supports a large number of industrial protocols, has the function of freely configuring pictures, and can be used in industrial occasions more freely. At present, most environment-friendly display screens can be seen. According to the system disclosed by the invention, the use occasion of the LED screen is extended to an industrial occasion, the system can be mutually fused with an industrial system, and the LED screen is better fused to the industrial occasion by adopting a mode of being compatible with a large number of communication protocols. And an LCD splicing screen in some occasions at present is replaced.

Description

technical field [0001] The invention relates to the technical field of electronic information, in particular to a large-scale LED electronic information signboard system. Background technique [0002] At present, LEDs are rarely used in industrial real-time scenarios, and most LED screens are used more in advertising, video and other occasions. At present, the large screens in industrial sites are mainly LCD splicing screens. [0003] The main flaws are: [0004] 1. LED screens have little support for industrial protocols and a high degree of screen customization, so they cannot be easily connected to industrial systems, and there are few occasions for on-site application. [0005] 2. LCD splicing screens are mainly large TVs, and their lifespan is relatively short in industrial environments. Moreover, the splicing marks in the middle of the splicing screen are relatively large, which affects the look and feel. [0006] 3. The LCD display requires multiple computer hosts...

Claims

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Application Information

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IPC IPC(8): G09F9/33G09G3/32G06F3/14G06F3/147
CPCY02P90/02
Inventor 徐小伟倪锋朱根荣周斌杰顾若愚
Owner ZHEJIANG HUAZHANG TECH
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