Some indoor court lighting designs will consider the reflective ability of the ceiling and make full use of the reflected light. Even in some indoor court design schemes, in order to make the light more uniform, let the light reach the ceiling and then illuminate it through light reflection. court. However, outdoors, there is no roof and wall to reflect the light of the lamps, and it is easy to illuminate the things around the stadium. This kind of illumination of areas that should not be illuminated is called overflow light. The occurrence of spilled light means that the cost-effectiveness of outdoor stadium lighting is not high enough. If it illuminates the surrounding residential areas, it will interfere with the normal rest of the residents. When the stadium light interference is severe to a certain extent, even the use of curtains cannot guarantee the darkness of the indoor sleeping environment. Sleeping in a bright environment for a long time will make the brain nerves not really rest, causing neurasthenia will disrupt the production of melatonin, and these effects are accumulated over time.
The installation methods of outdoor stadium lighting lamps are mainly installed on the stands and light poles. The situation of installation in the stands is mainly in stadiums with auditoriums, and the lamps are installed in the stands of the auditorium. The rest is basically installed on the light pole. The height of light poles in basketball courts, volleyball courts, and five-a-side football fields is basically between 8 and 15 meters, the height of light poles in 7-a-side football fields is basically between 12 and 20 meters, and the height of light poles in 11-a-side football fields is basically between Between 15 meters and 25 meters, the height of track and field light poles is basically between 25 meters and 35 meters. It can be seen that the light poles for outdoor stadium lighting are not low, so the outdoor stadium lighting should not be too heavy, the windward side should not be too large, and the number of lamps hanging on a light pole should not be too many.
Outdoor stadium lighting fixtures are installed outdoors, inevitably wind, rain, and sun exposure, which is a big test for the fixtures. In the lighting industry, there is a clear test standard for waterproof and dustproof, that is, the protection level IP. IP is the abbreviation of Ingress Protection Rating (or International Protection Code), which defines the protection capability of an interface against business conditions and solid particles. IP is followed by 2 digits. The first one represents the solid-state protection level, ranging from 0-6, which respectively represents the protection from the largest foreign particles to dust; the second one represents the protection level of the industry, and the range is 0-8, which respectively represents the From vertical water droplets to protection under low water pressure, the larger the number, the stronger the ability.
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