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| led outdoor screen design and installation should be considered a problem? |
Source:MaChen Yushengyuan New energy Co., Ltd. Time:2012-05-03 15:58:59 |
led outdoor screen design and installation should be considered a problem?
The main problem of the outdoor screen as follows:
(1) LED installed outdoors, often sun and rain, wind and dust cover, poor working conditions. Electronic equipment is wet or excessive moisture will cause a short circuit or even fire, causing the failure or fire,
Losses;
(2) The display may be subject to strong electric magnetic attacks caused by lightning;
(3) ambient temperature changes greatly. Display the work itself must produce a certain amount of heat, if the ambient temperature and heat but also bad, the IC may not work properly, and even
Were burned, so that the display system does not work;
(4) wide audience, Far Sight Distance wide horizons requirements; ambient light changes, in particular, may be subject to direct sunlight. For the above special requirements of outdoor display must be done: (1) full-color screen with the construction of the junction must be strictly water leak; screen body to have a good drainage measures, in the event of a smooth water emissions; (2) lightning protection devices installed on the display and buildings. Display main body and the shell to maintain a good grounding resistance of less than 3 ohms, so that large currents caused by lightning in a timely manner to vent
Release;
(3) to install ventilation equipment, cooling, screen the internal temperature between -10 ℃ ~ 40 ℃. Installing a screen behind the top of the axial flow fan, exhaust heat; (4) the choice of working temperature -40 ℃ ~ 80 ℃ Industrial-level integrated circuit chip to prevent winter temperature is too low so that the display can not be started. ;
(5) In order to ensure the long-distance visible in strong ambient light, high brightness light emitting diodes must be selected; to increase contrast. (6) shows that the media use of a new wide viewing angle tube, wide viewing angle, color purity, consistent coordination, life is more than 100,000 hours. Display the media outside the package is currently the most popular with cover along the square tube, silicon
Rubber seal, metallized assembly; the exquisite beauty of its appearance, sturdiness and durability, with five anti-characteristics of the anti-direct sunlight, dust-proof, waterproof, anti-high temperature, anti-circuit short-circuit.
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