source:other news release time:2022-12-30 Hits: Popular:led screen wholesaler
1. The lightning arrester is installed on the outdoor display screen and buildings
The main body and shell of the display screen should be well grounded, and the grounding resistance should be less than 3 ohms. The display screen may be impacted by strong current and strong magnetism caused by lightning, so as to timely release the large current caused by lightning
2. Waterproof measures for outdoor LED display
The screen body and its connection with the building must be strictly waterproof and leak proof; The screen body shall be provided with good drainage measures, and once the water is accumulated, it can be discharged smoothly; Pay attention to waterproof and moisture-proof. The display screen is installed outdoors, often covered by sunlight, rain, wind and dust, and the working environment is harsh. If the electronic equipment is wetted or seriously damped, it will cause short circuit or even fire, cause failure or even fire, and cause losses.
3. Circuit chip selection
Industrial integrated circuit chips with operating temperature of - 40~80 ℃ are selected to prevent the display screen from starting up due to low temperature in winter
4. Install ventilation equipment to cool down and keep the internal temperature of the screen between - 10 ℃ and 40 ℃.
An axial flow fan is installed at the upper back of the screen to exhaust heat; The display screen itself will generate a certain amount of heat when it works. If the ambient temperature is too high and the heat dissipation is poor, the integrated circuit may not work properly, or even be burned, so that the display system cannot work normally;
5. Ultra high brightness LED must be selected
In order to ensure the long-distance visibility under strong ambient light, it is necessary to select ultra-high brightness LED; Increase contrast; Wide audience, long viewing distance and wide vision; The ambient light varies greatly, especially the possible direct light.
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