How to deal with the harsh outdoor environment

The use of outdoor large LED screens has relatively high requirements for the use environment. Considering that large outdoor LED screens may be affected and destroyed by low temperature, typhoon, heavy rain and lightning, the following suggestions are organized:



1. Anti-high temperature, outdoor large LED screens usually have a large area, which consumes a lot of power during the application process, and the corresponding heat dissipation is also large. Coupled with the high external temperature, if the heat dissipation problem cannot be solved in time, it is likely to cause the circuit Board heating and short circuit problems. In production, ensure that the display circuit board is in good condition, and try to choose a hollow design in the housing design to help heat dissipation. When installing, it is necessary to insist that the display screen is in a good ventilation condition according to the situation of the device. If necessary, add heat dissipation equipment to the display screen. It is like installing an air conditioner or fan inside to help the display screen to dissipate heat.




2. In case of typhoon, there are many types of installation positions for outdoor large LED screens, and the installation methods are also very diverse. There are wall-mounted, inlaid, column, suspended, etc. So in the typhoon season. In order to prevent the LED display equipment from falling, there are strict requirements on the load-bearing steel frame structure of the display. The engineering unit must design and install strictly in accordance with the standards of typhoon resistance, and at the same time have a certain degree of earthquake resistance to ensure that the outdoor large LED screen will not fall and cause casualties and other hazards.



3. Anti-storm, there are many rainy weather in the south, so the LED display itself must have a high level of waterproof protection to avoid rain erosion. In the outdoor environment, the outdoor LED large screen must reach the IP65 protection level, the module must be encapsulated by glue, the waterproof box is selected, and the module and the box are connected with a waterproof rubber ring.



4. Lightning protection, there are four main parts of lightning protection for outdoor large LED screens

1) Direct lightning protection of outdoor screens. If the outdoor screen is not within the protection range of nearby tall buildings, lightning rods should be installed on or near the top of the screen steel structure.

2) Inductive lightning protection for outdoor screens (large screen power supply system is for 1-2 levels of power lightning protection, signal lines are equipped with signal lightning protection. The computer room power system is for 3 levels of lightning protection, signal in/out of the computer room A signal lightning protection device is installed at the internal equipment side.)

3), all led large screen lines (power and signal) should be buried and laid shielded.

4) The front end (outdoor screen) and the grounding system of the machine room should meet the system requirements.

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