LED display lightning protection measures

- Oct 28, 2019-

More in the summer, the summer thunderstorm weather, bad weather is the litmus test of LED display, LED display, electronic component integration is high, the sensitivity of the jamming is becoming more and more high, lightning can harm by display screen, such as being hit by lightning current through machine, electricity and heat damage, caused massive damage to the LED display screen. It could even start a fire. Therefore, lightning protection of LED display screen is essential.


Lightning protection measures of LED display screen:


1. For direct lightning protection, install lightning rod on the supporting structure of LED display screen (outdoor). For indoor LED display screen or LED display screen with tall buildings nearby, it is not necessary to install lightning rod.


2, against the steel structure, the rigid structure and; The enclosure of ED display screen is connected, equipotential is prepared, and grounding is done. The grounding resistance value is generally required to be less than 10 ohms. If the resistance value fails to meet the requirements, additional manual grounding network shall be made. Lightning protection should also be well grounded.


3. For the induced lightning current on the power line, a single-phase or three-phase power supply lightning protector shall be installed on the power line. The cross-sectional area of the connecting line of the phase line shall not be less than 10mm square, and the cross-sectional area of the connecting line shall not be less than 16mm square.


4. For the induced lightning current on the signal line, install a signal lightning protector on the signal line. Signal arrester according to the system signal interface, if it is the network cable installed network signal lightning protection device, serial interface installed DB9 interface lightning protection device and so on. The cross-sectional area of the connecting ground line cannot be less than 1. 5 mm square.


Some Suggestions on how to use LED display reasonably in harsh conditions are put forward:


Above all, want to check regularly the firm condition that hangs joint, if have loose phenomenon, notice to adjust in time, consolidate afresh or it is to lift afresh outfit.


Secondly, according to the environment of the LED display screen, to avoid insect bites, if necessary, should be placed in the rat killing agent.


Third, the installation of LED display screen should avoid direct exposure to ultraviolet light, avoid prolonged direct sunlight. The grounding socket must be installed correctly to avoid the fault of zero and firewire connection. If there is frequent power failure, please check the power supply carefully.


LED display screen because of its excellent communication function is used by the majority of businesses, remind you to business, thunderstorm high occurrence period, please use LED display screen reasonably.