The outdoor environment can be changeable, and rainy day and greasy weather are frequent in some areas. We may all know waterproof function is vital for outdoor LED screens, however, how waterproof LED display works?
First, let’s know some common sense for waterproof LED display screen. The key to judge the waterproof function of display is to understand the IP (ingress protection) rating. Generally speaking, this rating of outdoor waterproof LED display should reach IP65.
As you can see above, IP grade consists of two numbers – the first number means the dustproof level, rating from 0 to 6, and the second number represents the waterproof level, ranting from 0 to 8. The larger the number, the better the protection grade. The corresponding levels of the waterproof functions are shown in this picture.
Because outdoor LED screens are assembled by different amounts of outdoor LED cabinets, so cabinet is the basic unit. For why adopt such structure, there are mainly three reasons, they are:
1) Easy managing and on-site maintenance;
2) Easy packing and transportation;
3) Easy installation and disassembly.
For supporting waterproof function, first, the LED display module should be waterproof as it is one of the main components of the cabinet and should have conformal coating on the surface.
Second, the cabinet should be water-resistance and should support leakproofness by scientific design. The cabinet is equipped with the waterproof LED display module in front, and display driver circuit boards inside. The switching power supply and exhaust fans and so on are installed on the back cover of the box. On the inner and outer surface, the cabinet is treated with plastic coating, which improves the functions of anti-corrosion, moisture-proof, anti-oxidation and flame retardant, reinforcing security for the whole screen. And after serious testing, the IP rating can be concluded.
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