Stage Rental LED Screen

System Protection and RRental Led Screeneliability Design fo

2020-10-27 20:27


LED display system and it's related products are treated with acid rain, salt spray, water, moisture, dust, fire, corrosion, etc, which meet the requirements of salt spray test, even under maritime climate conditions, the LED screen can be normal used for long term.


Three-proof precautions: All LED display system boards are treated with special electronic three proof paint after production inspection, and coated with flame retardant materials to make them dustproof, moisture proof, anti corrosion and flame retardant.




In the LED display system, the modules are sealed with an insulating rubber ring to prevent moisture penetration.


The LED display system screen cabinet is made of high quality aluminum plastic board with excellent corrosion resistance and high quality flame retardant material. The joints between the plates are tightly filled with high quality flame resistant glue.


The protection level of all the product is up to IP65 level.


1. Tolerance design of LED display system


1) The components are left with more than 20% of the margin, increasing the life of components.

2) The interface circuit allows the input voltage of the component to fluctuate by ±5%, and the circuit can still work reliably.

3) The dynamic characteristics of device have greater redundancy,to ensure that the system can still operate reliably when the characteristics of the components change.


2. Fault tolerant design for LED display system


1) The communication protocol has a variety of fault tolerance:communication data is constantly refreshed,any accidental errors can be quickly corrected.

2) The software uses various fault tolerance measures.

3) Data storage uses various fault tolerance measures.

4) The program misuse, real-time prompts.

5) Use reasonable judgment to eliminate illegal data.

6) The LED display refresh rate is above 240HZ to ensure the display is stable and flicker free.


3. Electromagnetic compatibility design for LED display system


1) The power circuit adopts standard computer power supply and shielding measures, power supply noise filter—switching power supply—DC power supply standard program.

2) Good electromagnetic shielding of power supply and circuit.

3) The analog signal ground, the digital signal ground, the structure safety ground and power ground are separated, and crosstalk is effectively prevented.

4) Printed board design specifications, including string components, routing, filtering and other strict regulations, use an oscilloscope to measure the noise interference on each printed board ground, the peak does not exceed +50mv.

5) The interface circuit between the same board, the different board and the cabinet has anti-interference design.

6) The system field wiring, signal line and AC power line (power line) are strictly separated.

7) A good ground system, strictly grounded.

8) In order to improve the reliability of the system, the power supply has taken measures to derate the use and reserve sufficient margin.

9) The external interface is driven by balanced current.


The overall design idea of the LED display system software is to provide a simple and convenient and interactive program production and playback environment, so that the LED display system has good expandability and reliability, and can better match the hardware CRT.






 

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  • Office Number: +86-755-32919066
  • Tel/Whatsapp: +86-13553831871
  • Tel/Whatsapp: +86-13510025900
  • Email: Sale10@sz-ledscreen.com
  • Factory Address: No.2505, Songbai Road, Shiyan, Baoan District, Shenzhen, Guangdong, China

 

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