In addition to the structure and materials of the gymnasium, the gymnasium lighting has strict requirements on the ground material, space height, luminosity, temperature, ventilation and sound of the gymnasium. Among them, the lighting configuration is an extremely important part of the stadium design. In order to ensure sufficient illumination in the stadium, designers must consider the following factors:
1. Illumination: Reasonable illumination can not only ensure the normal performance of the athletes and the accurate judgment of the referees, but also ensure that the audience at the scene and in front of the TV can watch the game comfortably. Different sports also require different illumination levels. The illumination requirements of sports events, commercial activities, etc. are also different.
2. Illumination uniformity: The ratio of the minimum illuminance value to the maximum illuminance value is the illuminance uniformity. Whether it is an indoor stadium or an open-air stadium, the requirements for lighting are very high. Taking basketball game venues as an example, the intermediate venues tend to gather more lights, but the areas with too much light tend to produce glare, and the backboard areas tend to gather more lights. The brightness of the light will be weak, ensuring the uniformity of the lighting of the entire field, which plays a vital role in the level of the athletes.
3. Lighting distribution: The lighting distribution of the gymnasium is scattered, mainly divided into the viewing area and the competition area. However, since the sports range of athletes is not only a flat ground field, vertical lighting also has a greater impact on athletes. Because while reasonably controlling the light illumination, it is also necessary to make a reasonable planning of the light distribution position, so as to ensure the lighting requirements of the auditorium under the premise of ensuring the competition of the athletes.
4. Light source characteristics: The degree to which the light source presents the color of the object is called color rendering, that is, the degree of fidelity of the color. The light source with high color rendering can reproduce the color better, and the color we see is closer to the natural primary color. , the light source with low color rendering has poor color reproduction, and the color deviation we see is also large. The light source in the stadium should ensure better color rendering, so that athletes can make more accurate judgments.
5. Glare: Glare refers to the visual conditions that cause visual discomfort and reduce the visibility of objects due to unsuitable brightness distribution or extreme brightness contrast in space or time. The bright feeling that the human eye cannot adapt to in the field of vision will have a great impact on athletes, especially in ball sports. Athletes cannot accurately judge where the ball is falling.
In order to ensure uniform illumination at all angles and prevent indoor glare, the elevation angle from the lowest spot of the gymnasium to the lamps must be greater than 45°. The audience causes direct sunlight, and now the stadium will use the computer to calculate the light projection point to ensure the uniformity and reasonable distribution of the light. Indoor glare can also be caused by different floor materials or water reflections in swimming venues, so grilles or baffles can also be added to the lamps to reduce glare.
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