The toxins in smog not only seriously endanger people's health, but also have a great effect on outdoor LED display. As a matter of fact, we can distinguish fog from haze from smog, because they are not the main hazards of the display:
Firstly: Fog on outdoor display.
Mist is condensed from the water vapor in the air. In other words, the air humidity is relatively large, will cause the LED display to be damp. Humidity over the assembly caused by the PCB panels, power supplies, power lines and other devices easily be oxidized corrosion, and even short-circuit, and then produce trouble.
Second: Haze on the outdoor screen harm.
Haze is the air of the suspended dust, a variety of small particles, such as the aggregate, which suspended in the air dust particles are the core of the haze. If long term under the influence of haze, air in all kinds of fine dust will be the ventilation hole into the equipment, for the fan and other equipment will speed up wear and tear even damage, dust will fall on the display inside the control device surface, so not only reduce the display heat and insulation performance, but also accelerate the display aging, affecting the normal service life.
So, how can the display be able to withstand a long time in the haze weather, this requires users and engineers in the procurement and maintenance of the time to pay more attention to:
1, user in the procurement process, be sure to see whether the display screen to meet the requirements of the use of the environment dust level. In Dustproof, international norms for the Ip0x-Ip6x, is a kind of prevention of foreign invasion of the design level, if installed in the dust and haze of the weather more northern areas, its front and back protection level must be achieved IP65, that is, must adopt a completely dustproof structure, that is, in the water spray state is airtight.
2, must pay attention to the LED display PCB board has done anti-corrosion treatment, such as surface coating three paint, and so on, whether the power supply and power line is the selection of high-quality accessories, and to see the most easily corroded screen welding, whether the anti-rust treatment.
