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Analysis of LED screen heat dissipation system, revealing core structure design and technical principles

2025-08-24 162


How to layout the heat dissipation structure?

​The three-level heat dissipation system forms a closed loop of thermal management​​:

  • ​Modular heat dissipation​ ​: The thermal conductivity of aluminum-magnesium-zinc alloy box reaches 205W/m·K, 3 times faster than traditional materials
  • ​System-level flow diversion​ ​: The honeycomb air duct design increases the air flow rate by 120%, and the actual measured cooling in tropical areas is 8-12℃
  • ​Intelligent temperature control strategy​ ​: Built-in 50 temperature sensors, automatically switches active/passive cooling mode according to the environment

How to maintain stability in high temperature environments?

​Three core technologies break through the problem of thermal decay​​:

Analysis of LED screen heat dissipation system, revealing core structure design and technical principles
  1. ​Graphene composite coating​ ​: Applied to PCB substrates, the thermal resistance value is reduced to 0.15℃·cm²/W
  2. ​Dynamic power regulation​ ​: At ambient temperature of 55℃, the system automatically reduces power consumption by 20% to maintain the display consistency
  3. ​Phase change energy storage materials​ ​: Implant paraffin-based material in the box interlayer, continuously absorbing peak heat for 4 hours

What are the differences in cooling solutions for special scenarios?

​Customized heat dissipation design matches application requirements​​:

  • ​Sports stadium screen​ ​: Increase dustproof filter and IP65 protection to ensure heat dissipation efficiency >85% in dusty environment
  • ​Transparent display​ ​: Adopt a hollow structure design, maintaining 86% permeability while achieving heat dissipation performance of 2.5℃/W
  • ​Floor tiles interactive screen​ ​: 30mm convection space is reserved at the bottom, and the air exchange capacity is still maintained at 1.5 tons.

How to verify the heat dissipation effect after long-term operation?

From Southeast Asian humid and heat projects to Middle East desert cases, the three-year tracking data shows:

  • ​Temperature difference control​ ​: The surface temperature difference of the module is ≤2.5℃ to avoid regional chromatic difference
  • ​Extended lifespan​ ​: Every time 10℃ lowers the operating temperature, the LED light source life will be extended by 2.8 times.
  • ​Energy efficiency optimization​ ​: Intelligent temperature control system reduces overall energy consumption by 18%-22%

When choosing a heat dissipation solution, it is recommended to focus on the supplier's​ ​Thermal simulation test report​ ​and​ ​Actual environment operation data​ ​, truly achieve dual guarantees of display performance and equipment life.

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