Outdoor led electronic screen method to causes and eliminate the hidden danger of fire

by:GKGD     2020-04-13
In recent years, in the city's bustling streets, again the beautiful scenery line, that is the led electronic display. Luster gorgeous added angry for city on a large screen. But few people realize in this layer under the gorgeous face of the crisis, this crisis is the hidden danger of the fire. On April 8, 2017 in the evening, jinzhou city * * LED display a hotel caught fire, the fire, smoke, shocking. Jinzhou city a hotel outdoor LED display, completed in March 30, from the accident has ten days. So the incident occurs, immediately caused quite a stir within the industry. On April 21, 2012, Hong Kong harbour plaza la hotel level 3 fire, the fire had not received reports of injuries, the fire was put out on the morning of the next day. It is understood that the cause of the fire is being hit by the hotel electronic screen wall board, electronic board and fell into the pool of belongings caused the fire, the hotel exterior walls are blackened, fortunately, police and fire engines arrived on time, put out the fire in the end. A, LED display, LED display the cause of fire hazards, fire mainly exist in several major raw materials some short board. First, the wire. In most of the outdoor LED display application reasons, screen display unit area is larger, the power consumption, the greater the stability of wire electrical also have higher requirements. Many wire products, used to meet the requirements of national standard wire to ensure the safe stability. Second, the power supply. Passed UL certification of power supply products is the best choice when choosing a similar products, its effective conversion can guarantee safety and stability of power load, the external environment temperature hot cases, also can work normally. Third, the protective material. General outdoor display products of aluminum-plastic plate with high temperature, the rain cold and hot shock aging faster, in the more humid climate season, the rain easily penetrate into the screen body internal cause short-circuit fire electronic components. Second, how to eliminate the outdoor led electronic screen 1, fire hazards in most display applications, the screen display unit area is larger, the power consumption, the greater the stability of wire electrical also have higher requirements. 2, through the UL certification of power supply products is the best choice when choosing a similar products, its effective conversion can guarantee safety and stability of power load, under the condition of the external environment temperature hot, also can work normally. 3, in a large electronic display the material aspect of the outer protective structure, high fire rating display on the market are mostly adopt fire prevention aluminum-plastic plate, its excellent fire resistance, fire retardant sex is extremely strong, core material is special oxygen aging resistance is strong, melting point temperature 135 ℃, the decomposition temperature of 300 ℃ or higher, environmental performance, low smoke zero halogen, in line with the SGS, flame retardant - B S1, d0, t0, reference use UL94 standard, GB / 8624 - 2006. 4, display fire prevention materials and an important part, it is plastic package, plastic package is primarily a unit module mask pan, the use of materials is mainly use the raw material which has the function of flame retardant PC + glass fiber materials, not only has the function of flame retardant, better when under high and low temperature, and long-term use, not deformation, not brittle cracking, combined with good sealing glue used at the same time, can effectively block the external environment of rainwater in internal that cause a short circuit fire. 5, correct installation. Because led electronic screen are electronic products, the main part of the materials also belong to the fuel, so be fundamentally set out to 'prevent the smoldering fire', use the high quality of power supply, wire, IC, connecting device of combustible components, such as reduce the failure rate, and control the led display fire probability; Technical aspects, in the process of the led display installation must be installed by professionals, guidance, inspection, precautions; Cleared to led display surrounding flammable and combustible, prevent led display fire due to fire hazards around; A professional after-sales maintenance, testing and inspection of led display on a regular basis. 6, completes the LED display fire certification. Entered the U. S. market must achieve UL48 cable safety, ETL certification, while the British by BS safety certification, Japan will need to reach PSE mandatory safety certification.
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