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LED display prevent moisture and heat dissipation

The biggest challenge to outdoor LED screens in a year is the humid and high temperature weather, which makes the natural contradictions of LED screens moisture-proof and heat-dissipating confront each other. How to do a good job of preventing moisture in rainy weather and maintaining good heat dissipation in a high temperature environment has become a thorny problem faced by outdoor LED displays.

Moisture resistance and heat dissipation, a pair of natural contradictions

The internal devices of the LED display screen belong to MSD components (humidity sensitive devices). Once moisture enters, it may cause oxidation and corrosion of the lamp beads, PCB boards, power supplies, power lines and other components, resulting in dead light failures. Therefore, the module, internal structure and external chassis of the LED screen all need to be designed with comprehensive and strict moisture-proof and waterproof design.

At the same time, the internal components of the full-color LED screen are also the electronic components that generate the most heat, such as LED lamp beads, driver ICs, and switching power supplies. Poor heat dissipation design will oxidize the screen material, affecting quality and life. If the heat accumulates and cannot be dissipated, it will cause the internal components of the LED to overheat and damage, resulting in failure. Therefore, good heat dissipation requires a transparent and convective structure, which contradicts the requirement of moisture resistance.

High temperature and humidity, how to achieve a two-pronged approach

In the hot and humid weather, in the face of moisture resistance and heat dissipation, these seemingly irreconcilable contradictions can actually be subtly resolved through exquisite hardware and careful structural design.

First of all, reducing power consumption and reducing heat loss is an effective way to improve heat dissipation. Well-known LED companies represented by Kaipu choose high-quality LED chips from the source for optimal design, and focus on the independent research and development of high-efficiency and high-quality driving power. The outstanding raw material quality and excellent performance parameters have laid a firm foundation for heat dissipation and moisture resistance. .

Furthermore, improving the module production process is also a top priority. It is understood that the structure of the electronic components on the PCB board is optimized, the complexity is simplified, and the arrangement is reasonable, and the material with high thermal conductivity is used for sealing and sealing, and at the same time, it can meet the needs of seamless water vapor entry and heat dissipation of components.

Finally, rational optimization of the box structure can play a key role. Considering the heat dissipation and oxidation resistance of the chassis material, high-quality aluminum material is selected. The interior of the chassis adopts a multi-layer space structure to form an overall transparent convection heat dissipation structure, which can make full use of natural air for convection heat dissipation, taking into account both heat dissipation and sealing. , but also improves reliability and service life.

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