LED display is really not very good in fire protection, because this product includes external display, internal lines, plastic kits, external protection and other structures, so when it comes to fire protection issues, it is not so convenient, but we Summarized several methods to help you share, LED display in the fire, we can do?
The first point:
In most display screen applications, the larger the unit area of ​​the display screen is, the greater its power consumption is, such as the indoor P7.62 full-color display. There is also a higher requirement for the stability of the power supply to the wire. In many wire products, the use of wire that meets the requirements of the national standard can guarantee its safety and stability. There are three requirements: the wire core is a copper wire conductive carrier, the cross-sectional area of ​​the wire core has a tolerance in the standard range, and the insulation of the rubber core of the wrapped wire core is And the flame retardancy reaches the standard, compared with the general copper-clad aluminum core, the cross-sectional area of ​​the core is too small, and the insulation rubber grade is not enough, the power performance is more stable, and the short circuit situation is not easy to occur;
Second point:
UL-approved power supply products are also the best choice when selecting similar products. Its effective conversion rate can ensure that the power supply load is safe and stable. It can also work under the hot environment of external environment temperature.
The third point:
In the material of the external protection structure of the display screen, the display screen products with higher fire ratings on the market are mostly made of fire-resistant aluminum-plastic panels, which have excellent fire resistance, fire-retardant and flame-retardant properties, and oxygen-ageing performance of special core materials. Strong, melting point temperature 135 °C, decomposition temperature ≥ 300 °C, environmental performance, low smoke, halogen-free, in line with SGS flame retardant B-S1, d0, t0, reference use standard UL94, GB/8624-2006. The aluminum-plastic panels of general outdoor display screen products age rapidly with high temperature, rain, cold and heat shocks, making it easy for rain to infiltrate the inside of the screen during the season of relatively humid climate, resulting in short circuit caused by electronic components;
fourth point:
There is an important part of the display fireproof raw materials, that is, the plastic kit, which is mainly the use material of the unit module mask bottom case. The main raw material used is PC+ glass fiber material with flame retardant function. It not only has the flame retardant function, but also can not deform or crack during high and low temperatures and long-term use. It can also be used in combination with better sealing glue. , Can effectively block the external environment of rain through the interior and cause a short circuit fire.
The above four points are the methods that we have summed up that can effectively protect the display screen. We hope that the majority of LED display manufacturers can have some help after reading it.
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